/* ==========================================================================
   kabeltronik · Scientific Instrument · Design System (2026)
   ==========================================================================
   Tokens, typography, primitives. Loaded AFTER main.css.
   Body class .kbt-i activates this layer (set by functions.php on every page).
   ========================================================================== */

:root {
    /* Palette — instrument */
    --kbt-i-bg:        #FAFAF7;     /* paper / specimen background */
    --kbt-i-bg-alt:    #F0F0EC;     /* secondary surface */
    --kbt-i-ink:       #0A0A0A;     /* ink-pure */
    --kbt-i-ink-2:    #1F1F1F;
    --kbt-i-ink-soft: #5B5B5B;
    --kbt-i-line:     rgba(10,10,10,0.08);
    --kbt-i-line-2:   rgba(10,10,10,0.16);
    --kbt-i-accent:   #FFED00;
    --kbt-i-accent-deep: #B89800;
    --kbt-i-spec:     #C9302C;      /* danger / annotation red */
    --kbt-i-ok:       #1F8D49;

    /* Typography — switched away from Bigstage (industrial-blocky, unreadable) to Space Grotesk + Inter */
    --kbt-i-mono:     'JetBrains Mono', 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    --kbt-i-sans:     'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --kbt-i-display:  'Space Grotesk', 'Inter', system-ui, sans-serif;

    /* Sizes */
    --kbt-i-size-mono: 11px;
    --kbt-i-size-meta: 12px;
    --kbt-i-size-body: 15px;

    /* Spacing scale (8px) */
    --kbt-i-1: 8px;  --kbt-i-2: 16px; --kbt-i-3: 24px; --kbt-i-4: 32px;
    --kbt-i-5: 48px; --kbt-i-6: 64px; --kbt-i-7: 96px; --kbt-i-8: 128px;

    /* Grid */
    --kbt-i-page-pad: 32px;
    --kbt-i-line-w:   1px;
}
[data-theme="dark"] {
    --kbt-i-bg:       #0A0A0A;
    --kbt-i-bg-alt:   #14141A;
    --kbt-i-ink:      #FAFAF7;
    --kbt-i-ink-2:   #ECECEC;
    --kbt-i-ink-soft: #9C9C9C;
    --kbt-i-line:     rgba(255,255,255,0.10);
    --kbt-i-line-2:   rgba(255,255,255,0.20);
}

/* Body in instrument mode */
body.kbt-i {
    background: var(--kbt-i-bg);
    color: var(--kbt-i-ink);
    font-family: var(--kbt-i-sans);
    font-size: var(--kbt-i-size-body);
    line-height: 1.55;
    font-feature-settings: "ss01", "cv02", "cv03", "cv04";
    -webkit-font-smoothing: antialiased;
}
body.kbt-i ::selection { background: var(--kbt-i-accent); color: var(--kbt-i-ink); }

/* ==========================================================================
   1. INSTRUMENT BAR — top topbar with coordinates + Cu live + ISO ticker
   ========================================================================== */
.kbt-i-topbar {
    position: relative;
    background: var(--kbt-i-ink);
    color: var(--kbt-i-ink-2);
    color: #ECECEC;
    border-bottom: 1px solid var(--kbt-i-line-2);
    z-index: 100;
}
.kbt-i-topbar-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: stretch;
    gap: 0;
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    letter-spacing: 0.02em;
    line-height: 1;
    min-height: 32px;
}
.kbt-i-topbar-left,
.kbt-i-topbar-center,
.kbt-i-topbar-right {
    display: flex; align-items: center; gap: 16px;
    padding: 0 16px;
}
.kbt-i-topbar-left { border-right: 1px solid rgba(255,255,255,0.08); }
.kbt-i-topbar-right { border-left: 1px solid rgba(255,255,255,0.08); justify-content: flex-end; }
.kbt-i-topbar .dot {
    display: inline-block;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--kbt-i-ok);
    margin-right: 6px;
    animation: kbtIBlink 2s ease-in-out infinite;
}
.kbt-i-topbar .dot--yellow { background: var(--kbt-i-accent); }
@keyframes kbtIBlink { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }
.kbt-i-topbar-coord {
    color: #9C9C9C;
    text-transform: uppercase;
}
.kbt-i-topbar-coord b { color: var(--kbt-i-accent); font-weight: 700; }
.kbt-i-topbar-badges { display: flex; gap: 14px; }
.kbt-i-topbar-badges span { color: rgba(255,255,255,0.6); }
.kbt-i-topbar-badges b { color: #ECECEC; font-weight: 700; }
.kbt-i-cu {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--kbt-i-accent);
    font-weight: 700;
}
.kbt-i-cu::before {
    content: 'Cu';
    background: var(--kbt-i-accent);
    color: var(--kbt-i-ink);
    padding: 2px 5px;
    border-radius: 3px;
    font-weight: 800;
    font-size: 10px;
}
@media (max-width: 880px) {
    .kbt-i-topbar-inner { grid-template-columns: 1fr; min-height: auto; padding: 8px 12px; }
    .kbt-i-topbar-center, .kbt-i-topbar-left { display: none; }
    .kbt-i-topbar-right { border-left: 0; padding: 0; justify-content: space-between; }
}

/* ==========================================================================
   2. NAV — minimal monospace, divider lines, no shadows
   ========================================================================== */
.kbt-i-nav {
    background: var(--kbt-i-bg);
    border-bottom: 1px solid var(--kbt-i-line);
    position: sticky; top: 0;
    z-index: 90;
    backdrop-filter: blur(20px) saturate(1.3);
    -webkit-backdrop-filter: blur(20px) saturate(1.3);
    background: color-mix(in srgb, var(--kbt-i-bg) 88%, transparent);
}
[data-theme="dark"] .kbt-i-nav { background: color-mix(in srgb, var(--kbt-i-bg) 86%, transparent); }
.kbt-i-nav-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 32px;
    min-height: 64px;
    padding: 0 var(--kbt-i-page-pad);
}
.kbt-i-logo {
    display: inline-flex; align-items: center; gap: 10px;
    text-decoration: none; color: var(--kbt-i-ink);
    font-family: var(--kbt-i-display);
    font-weight: 800;
    letter-spacing: -0.02em;
    font-size: 20px;
}
.kbt-i-logo-mark {
    display: inline-block;
    width: 28px; height: 28px;
    background: var(--kbt-i-ink);
    color: var(--kbt-i-accent);
    border-radius: 4px;
    text-align: center; line-height: 28px;
    font-weight: 800;
    font-size: 16px;
    font-family: var(--kbt-i-display);
}
.kbt-i-nav-menu {
    list-style: none; padding: 0; margin: 0;
    display: flex; align-items: center; gap: 4px;
    justify-self: center;
}
.kbt-i-nav-menu a {
    display: inline-block;
    padding: 10px 16px;
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--kbt-i-ink-soft);
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: 4px;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.kbt-i-nav-menu a:hover,
.kbt-i-nav-menu a.is-current {
    color: var(--kbt-i-ink);
    border-color: var(--kbt-i-line-2);
    background: var(--kbt-i-bg-alt);
}
.kbt-i-nav-cta {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 18px;
    background: var(--kbt-i-ink);
    color: var(--kbt-i-accent);
    text-decoration: none;
    border-radius: 4px;
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: background 0.2s, transform 0.2s;
}
.kbt-i-nav-cta:hover { transform: translateY(-1px); background: var(--kbt-i-ink-2); }
.kbt-i-nav-tools { display: flex; align-items: center; gap: 4px; margin-left: 12px; }
.kbt-i-nav-tool {
    width: 36px; height: 36px;
    display: inline-flex; align-items: center; justify-content: center;
    background: transparent; border: 1px solid transparent;
    border-radius: 4px;
    color: var(--kbt-i-ink-soft);
    cursor: pointer;
    transition: all 0.2s;
}
.kbt-i-nav-tool:hover { background: var(--kbt-i-bg-alt); color: var(--kbt-i-ink); border-color: var(--kbt-i-line-2); }
@media (max-width: 880px) {
    .kbt-i-nav-inner { grid-template-columns: auto 1fr auto; gap: 12px; }
    .kbt-i-nav-menu { display: none; }
    .kbt-i-nav-cta { padding: 8px 12px; font-size: 10px; }
}

/* ==========================================================================
   3. PAGE SHELL — coordinate margins, grid lines, section codes
   ========================================================================== */
body.kbt-i main, body.kbt-i .kbt-i-main {
    background: var(--kbt-i-bg);
}
.kbt-i-section {
    position: relative;
    padding: var(--kbt-i-7) 0;
    border-bottom: 1px solid var(--kbt-i-line);
}
.kbt-i-section:first-of-type { border-top: 0; }
.kbt-i-section--dark { background: var(--kbt-i-ink); color: var(--kbt-i-bg); border-bottom-color: var(--kbt-i-line-2); }
.kbt-i-section--dark .kbt-i-ink { color: var(--kbt-i-bg) !important; }

/* Section code: "KBT.001 / HERO" */
.kbt-i-code {
    position: absolute;
    top: 24px; left: var(--kbt-i-page-pad);
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--kbt-i-ink-soft);
    text-transform: uppercase;
    display: flex; align-items: center; gap: 12px;
    z-index: 2;
}
.kbt-i-code b { color: var(--kbt-i-ink); font-weight: 800; }
.kbt-i-code::after {
    content: ''; display: inline-block;
    width: 80px; height: 1px;
    background: var(--kbt-i-line-2);
}
.kbt-i-section--dark .kbt-i-code { color: rgba(255,255,255,0.6); }
.kbt-i-section--dark .kbt-i-code b { color: var(--kbt-i-accent); }
.kbt-i-section--dark .kbt-i-code::after { background: rgba(255,255,255,0.2); }

/* Section corner marks */
.kbt-i-section::before, .kbt-i-section::after {
    content: '';
    position: absolute;
    width: 12px; height: 12px;
    border: 1px solid var(--kbt-i-line-2);
    pointer-events: none;
}
.kbt-i-section::before { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.kbt-i-section::after { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }
.kbt-i-section--dark::before, .kbt-i-section--dark::after { border-color: rgba(255,255,255,0.15); }

/* Container */
.kbt-i-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--kbt-i-page-pad);
    position: relative;
}

/* ==========================================================================
   4. HERO — specimen viewer
   ========================================================================== */
.kbt-i-hero {
    position: relative;
    padding: var(--kbt-i-7) 0 var(--kbt-i-6);
    background: var(--kbt-i-bg);
    overflow: hidden;
}
.kbt-i-hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--kbt-i-7);
    align-items: stretch;
}
@media (max-width: 980px) { .kbt-i-hero-grid { grid-template-columns: 1fr; gap: var(--kbt-i-5); } }

.kbt-i-hero-left {
    display: flex; flex-direction: column;
    justify-content: space-between;
    padding: var(--kbt-i-3) 0;
}
.kbt-i-hero-eyebrow {
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--kbt-i-ink-soft);
    margin-bottom: var(--kbt-i-3);
    display: flex; align-items: center; gap: 10px;
}
.kbt-i-hero-eyebrow b { color: var(--kbt-i-ink); }
.kbt-i-hero-eyebrow .dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--kbt-i-accent);
    box-shadow: 0 0 8px var(--kbt-i-accent);
}
.kbt-i-hero-title {
    font-family: var(--kbt-i-display);
    font-size: clamp(40px, 6vw, 84px);
    font-weight: 800;
    line-height: 0.96;
    letter-spacing: -0.035em;
    color: var(--kbt-i-ink);
    margin: 0 0 var(--kbt-i-3);
}
.kbt-i-hero-title em {
    font-style: normal;
    color: var(--kbt-i-accent-deep);
    background: linear-gradient(180deg, transparent 70%, rgba(255,237,0,0.4) 70%);
    padding: 0 2px;
}
[data-theme="dark"] .kbt-i-hero-title em { color: var(--kbt-i-accent); }
.kbt-i-hero-sub {
    font-size: 17px;
    line-height: 1.55;
    color: var(--kbt-i-ink-soft);
    max-width: 52ch;
    margin-bottom: var(--kbt-i-4);
}
.kbt-i-hero-meta {
    border-top: 1px solid var(--kbt-i-line);
    padding-top: var(--kbt-i-2);
    margin-top: auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--kbt-i-2);
    font-family: var(--kbt-i-mono);
    font-size: 11px;
}
.kbt-i-hero-meta > div {
    border-left: 2px solid var(--kbt-i-accent);
    padding-left: 12px;
}
.kbt-i-hero-meta dt {
    color: var(--kbt-i-ink-soft);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 10px;
    margin-bottom: 4px;
}
.kbt-i-hero-meta dd {
    margin: 0;
    font-family: var(--kbt-i-display);
    font-size: 22px;
    font-weight: 800;
    color: var(--kbt-i-ink);
    letter-spacing: -0.02em;
    line-height: 1;
}

.kbt-i-hero-actions {
    display: flex; flex-wrap: wrap; gap: 12px;
    margin: var(--kbt-i-4) 0;
}
.kbt-i-btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 14px 22px;
    border-radius: 4px;
    font-family: var(--kbt-i-mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16,1,0.3,1);
}
.kbt-i-btn--primary {
    background: var(--kbt-i-ink);
    color: var(--kbt-i-accent);
    border-color: var(--kbt-i-ink);
}
.kbt-i-btn--primary:hover {
    background: var(--kbt-i-accent);
    color: var(--kbt-i-ink);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.kbt-i-btn--ghost {
    background: transparent;
    color: var(--kbt-i-ink);
    border-color: var(--kbt-i-line-2);
}
.kbt-i-btn--ghost:hover { background: var(--kbt-i-ink); color: var(--kbt-i-bg); border-color: var(--kbt-i-ink); }
.kbt-i-btn--accent {
    background: var(--kbt-i-accent);
    color: var(--kbt-i-ink);
    border-color: var(--kbt-i-accent);
}
.kbt-i-btn--accent:hover { background: var(--kbt-i-ink); color: var(--kbt-i-accent); }

/* Specimen viewer (right column) */
.kbt-i-specimen {
    position: relative;
    border: 1px solid var(--kbt-i-line-2);
    background: var(--kbt-i-bg-alt);
    aspect-ratio: 4/5;
    overflow: hidden;
    isolation: isolate;
}
.kbt-i-specimen-img {
    position: absolute; inset: 0;
    background-size: cover;
    background-position: center;
    filter: contrast(1.05) saturate(1.05);
}
.kbt-i-specimen-img img { width: 100%; height: 100%; object-fit: cover; display: block; }

.kbt-i-specimen-bar {
    position: absolute;
    top: 0; left: 0; right: 0;
    padding: 10px 14px;
    display: flex; align-items: center; justify-content: space-between;
    background: rgba(10,10,10,0.78);
    color: var(--kbt-i-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    font-family: var(--kbt-i-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.kbt-i-specimen-bar .lhs, .kbt-i-specimen-bar .rhs { display: flex; align-items: center; gap: 12px; }
.kbt-i-specimen-bar b { color: var(--kbt-i-accent); }

.kbt-i-specimen-foot {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 14px 16px;
    background: rgba(10,10,10,0.82);
    color: var(--kbt-i-bg);
    backdrop-filter: blur(8px);
}
.kbt-i-specimen-foot h4 {
    font-family: var(--kbt-i-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--kbt-i-accent);
    margin: 0 0 6px;
}
.kbt-i-specimen-foot dl {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px 14px;
    margin: 0;
    font-family: var(--kbt-i-mono);
    font-size: 11px;
}
.kbt-i-specimen-foot dl > div { display: flex; justify-content: space-between; gap: 8px; }
.kbt-i-specimen-foot dt { color: rgba(255,255,255,0.55); }
.kbt-i-specimen-foot dd { color: #fff; margin: 0; font-weight: 700; }

/* Annotation crosshairs at corners */
.kbt-i-specimen-mark {
    position: absolute;
    width: 16px; height: 16px;
    border: 1px solid var(--kbt-i-accent);
    z-index: 2;
}
.kbt-i-specimen-mark--tl { top: 56px; left: 14px; border-right: 0; border-bottom: 0; }
.kbt-i-specimen-mark--tr { top: 56px; right: 14px; border-left: 0; border-bottom: 0; }
.kbt-i-specimen-mark--bl { bottom: 110px; left: 14px; border-right: 0; border-top: 0; }
.kbt-i-specimen-mark--br { bottom: 110px; right: 14px; border-left: 0; border-top: 0; }

/* Annotation arrow labels (right side) */
.kbt-i-anno {
    position: absolute;
    right: 14px;
    display: inline-flex; align-items: center; gap: 8px;
    padding: 4px 10px;
    background: var(--kbt-i-ink);
    color: var(--kbt-i-accent);
    font-family: var(--kbt-i-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 3px;
    z-index: 3;
}
.kbt-i-anno::before {
    content: '';
    position: absolute;
    right: 100%; top: 50%;
    width: 40px; height: 1px;
    background: var(--kbt-i-accent);
    transform: translateY(-50%);
}
.kbt-i-anno--1 { top: 30%; right: -50px; }
.kbt-i-anno--2 { top: 45%; right: -40px; }
.kbt-i-anno--3 { top: 60%; right: -55px; }
@media (max-width: 980px) { .kbt-i-anno { display: none; } }

/* ==========================================================================
   5. STAT STRIP (live ticker style)
   ========================================================================== */
.kbt-i-strip {
    background: var(--kbt-i-ink);
    color: var(--kbt-i-bg);
    border-top: 1px solid var(--kbt-i-line-2);
    border-bottom: 1px solid var(--kbt-i-line-2);
}
.kbt-i-strip-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    font-family: var(--kbt-i-mono);
    font-size: 11px;
}
.kbt-i-strip-cell {
    padding: 22px var(--kbt-i-3);
    border-right: 1px solid var(--kbt-i-line-2);
    display: flex; flex-direction: column; gap: 4px;
}
.kbt-i-strip-cell:last-child { border-right: 0; }
.kbt-i-strip-cell dt {
    color: rgba(255,255,255,0.55);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 10px;
}
.kbt-i-strip-cell dd {
    margin: 0;
    font-family: var(--kbt-i-display);
    font-size: 28px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.02em;
    color: var(--kbt-i-bg);
}
.kbt-i-strip-cell dd em {
    font-style: normal;
    font-size: 0.5em;
    color: var(--kbt-i-accent);
    margin-left: 4px;
    font-weight: 600;
}
@media (max-width: 720px) {
    .kbt-i-strip-inner { grid-template-columns: repeat(2, 1fr); }
    .kbt-i-strip-cell { border-right: 0; border-bottom: 1px solid var(--kbt-i-line-2); }
    .kbt-i-strip-cell:nth-child(odd) { border-right: 1px solid var(--kbt-i-line-2); }
}

/* ==========================================================================
   6. SECTION HEADER (used by every section)
   ========================================================================== */
.kbt-i-shead {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--kbt-i-5);
    align-items: end;
    padding-top: var(--kbt-i-4);
    margin-bottom: var(--kbt-i-5);
    border-top: 2px solid var(--kbt-i-ink);
}
@media (max-width: 720px) { .kbt-i-shead { grid-template-columns: 1fr; gap: var(--kbt-i-2); } }
.kbt-i-shead-num {
    font-family: var(--kbt-i-mono);
    font-size: 12px;
    color: var(--kbt-i-ink-soft);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding-right: var(--kbt-i-3);
    border-right: 1px solid var(--kbt-i-line);
    min-width: 220px;
}
.kbt-i-shead-num b { color: var(--kbt-i-ink); }
.kbt-i-shead-num span { display: block; margin-top: 4px; color: var(--kbt-i-accent-deep); font-size: 10px; }
.kbt-i-shead h2 {
    font-family: var(--kbt-i-display);
    font-size: clamp(32px, 4vw, 56px);
    font-weight: 800;
    line-height: 1.02;
    letter-spacing: -0.025em;
    margin: 0;
    color: var(--kbt-i-ink);
}
.kbt-i-section--dark .kbt-i-shead { border-top-color: var(--kbt-i-accent); }
.kbt-i-section--dark .kbt-i-shead-num b { color: var(--kbt-i-accent); }
.kbt-i-section--dark .kbt-i-shead h2 { color: var(--kbt-i-bg); }

/* ==========================================================================
   7. CATALOG / CATEGORIES GRID
   ========================================================================== */
.kbt-i-cat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--kbt-i-line);
    border: 1px solid var(--kbt-i-line);
}
@media (max-width: 980px) { .kbt-i-cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .kbt-i-cat-grid { grid-template-columns: 1fr; } }
.kbt-i-cat {
    position: relative;
    padding: var(--kbt-i-4) var(--kbt-i-3) var(--kbt-i-3);
    background: var(--kbt-i-bg);
    text-decoration: none;
    color: var(--kbt-i-ink);
    transition: background 0.25s, transform 0.25s;
    display: flex; flex-direction: column; gap: 14px;
    min-height: 320px;
    overflow: hidden;
}
.kbt-i-cat:hover { background: var(--kbt-i-bg-alt); }
.kbt-i-cat-code {
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--kbt-i-ink-soft);
    display: flex; justify-content: space-between;
    border-bottom: 1px solid var(--kbt-i-line);
    padding-bottom: 10px;
}
.kbt-i-cat-code b { color: var(--kbt-i-ink); }
.kbt-i-cat-img {
    position: relative;
    height: 140px;
    background: var(--kbt-i-bg-alt);
    overflow: hidden;
    border: 1px solid var(--kbt-i-line);
}
.kbt-i-cat-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.kbt-i-cat:hover .kbt-i-cat-img img { transform: scale(1.07); }
.kbt-i-cat h3 {
    font-family: var(--kbt-i-display);
    font-size: 22px;
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0;
}
.kbt-i-cat p {
    font-size: 13.5px;
    color: var(--kbt-i-ink-soft);
    line-height: 1.5;
    margin: 0;
}
.kbt-i-cat-foot {
    margin-top: auto;
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 10px;
    border-top: 1px solid var(--kbt-i-line);
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    color: var(--kbt-i-ink-soft);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.kbt-i-cat-foot span:last-child {
    display: inline-flex; align-items: center; gap: 4px;
    color: var(--kbt-i-ink);
    transition: color 0.2s, gap 0.2s;
}
.kbt-i-cat:hover .kbt-i-cat-foot span:last-child { gap: 8px; color: var(--kbt-i-accent-deep); }

/* ==========================================================================
   8. TICKER MARQUEE (running product list)
   ========================================================================== */
.kbt-i-marquee {
    overflow: hidden;
    border-top: 1px solid var(--kbt-i-line);
    border-bottom: 1px solid var(--kbt-i-line);
    background: var(--kbt-i-bg);
    padding: 18px 0;
}
.kbt-i-marquee-track {
    display: flex;
    gap: var(--kbt-i-4);
    animation: kbtIMarquee 60s linear infinite;
    white-space: nowrap;
    font-family: var(--kbt-i-mono);
    font-size: 13px;
    letter-spacing: 0.04em;
}
.kbt-i-marquee-track > span {
    display: inline-flex; align-items: center; gap: 10px;
    color: var(--kbt-i-ink-soft);
}
.kbt-i-marquee-track > span::before {
    content: '◆'; color: var(--kbt-i-accent); font-size: 8px;
}
.kbt-i-marquee-track > span b { color: var(--kbt-i-ink); font-weight: 600; }
@keyframes kbtIMarquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .kbt-i-marquee-track { animation: none; } }

/* ==========================================================================
   9. FOOTER — instrument changelog style
   ========================================================================== */
.kbt-i-footer {
    background: var(--kbt-i-ink);
    color: #ECECEC;
    padding: var(--kbt-i-6) 0 var(--kbt-i-3);
    border-top: 4px solid var(--kbt-i-accent);
}
.kbt-i-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--kbt-i-5);
    padding-bottom: var(--kbt-i-5);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
@media (max-width: 880px) { .kbt-i-footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .kbt-i-footer-grid { grid-template-columns: 1fr; } }
.kbt-i-footer h4 {
    font-family: var(--kbt-i-mono);
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.5);
    margin: 0 0 var(--kbt-i-2);
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.kbt-i-footer ul { list-style: none; padding: 0; margin: 0; }
.kbt-i-footer li { margin-bottom: 6px; }
.kbt-i-footer a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 13.5px;
    transition: color 0.2s;
}
.kbt-i-footer a:hover { color: var(--kbt-i-accent); }
.kbt-i-footer-brand h4 { color: var(--kbt-i-accent); }
.kbt-i-footer-brand p {
    font-family: var(--kbt-i-display);
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
    margin: 0 0 10px;
    line-height: 1.15;
}
.kbt-i-footer-brand small {
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.04em;
}
.kbt-i-footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: var(--kbt-i-3);
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    color: rgba(255,255,255,0.45);
    letter-spacing: 0.04em;
    flex-wrap: wrap;
    gap: 12px;
}
.kbt-i-footer-bottom a { color: rgba(255,255,255,0.55); margin-left: 14px; text-decoration: none; }
.kbt-i-footer-bottom a:hover { color: var(--kbt-i-accent); }
.kbt-i-footer-changelog {
    display: flex; align-items: center; gap: 8px;
    color: rgba(255,255,255,0.7);
}
.kbt-i-footer-changelog::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--kbt-i-ok);
    box-shadow: 0 0 6px var(--kbt-i-ok);
}

/* ==========================================================================
   10. UTILITY
   ========================================================================== */
.kbt-i-divider {
    height: 1px;
    background: var(--kbt-i-line);
    margin: var(--kbt-i-5) 0;
}
.kbt-i-overline {
    font-family: var(--kbt-i-mono);
    font-size: 10.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--kbt-i-accent-deep);
}

/* ==========================================================================
   11. PAGE LAYOUTS — Shop, Product, Generic Page, Form, Legal
   ========================================================================== */

/* --- Page Hero (generic, shared across all interior pages) --- */
.kbt-i-page-hero {
    position: relative;
    padding: var(--kbt-i-6) 0 var(--kbt-i-5);
    border-bottom: 1px solid var(--kbt-i-line);
}
.kbt-i-page-hero--dark { background: var(--kbt-i-ink); color: var(--kbt-i-bg); border-bottom-color: var(--kbt-i-line-2); }
.kbt-i-page-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--kbt-i-7);
    align-items: end;
}
@media (max-width: 880px) { .kbt-i-page-hero-grid { grid-template-columns: 1fr; gap: var(--kbt-i-3); } }
.kbt-i-page-hero-title {
    font-family: var(--kbt-i-display);
    font-size: clamp(40px, 5.4vw, 72px);
    line-height: 0.98;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin: 14px 0 0;
}
.kbt-i-page-hero-title em { font-style: normal; color: var(--kbt-i-accent-deep); background: linear-gradient(180deg, transparent 70%, rgba(255,237,0,0.4) 70%); padding: 0 2px; }
[data-theme="dark"] .kbt-i-page-hero-title em, .kbt-i-page-hero--dark .kbt-i-page-hero-title em { color: var(--kbt-i-accent); }
.kbt-i-page-hero-sub {
    font-size: 16px;
    line-height: 1.55;
    color: var(--kbt-i-ink-soft);
    max-width: 54ch;
    margin-top: var(--kbt-i-2);
}
.kbt-i-page-hero--dark .kbt-i-page-hero-sub { color: rgba(255,255,255,0.7); }
.kbt-i-page-hero-meta {
    display: flex; flex-wrap: wrap; gap: var(--kbt-i-3);
    margin-top: var(--kbt-i-3);
    padding-top: var(--kbt-i-2);
    border-top: 1px solid var(--kbt-i-line);
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    color: var(--kbt-i-ink-soft);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.kbt-i-page-hero--dark .kbt-i-page-hero-meta { border-top-color: rgba(255,255,255,0.1); color: rgba(255,255,255,0.55); }
.kbt-i-page-hero-meta b { color: var(--kbt-i-ink); }
.kbt-i-page-hero--dark .kbt-i-page-hero-meta b { color: var(--kbt-i-accent); }

/* --- Coord breadcrumb bar (sticky under nav) --- */
.kbt-i-cbc {
    position: sticky; top: 64px; z-index: 80;
    background: var(--kbt-i-bg);
    border-bottom: 1px solid var(--kbt-i-line);
    padding: 10px var(--kbt-i-page-pad);
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    color: var(--kbt-i-ink-soft);
    letter-spacing: 0.06em;
    backdrop-filter: blur(20px) saturate(1.3);
    background: color-mix(in srgb, var(--kbt-i-bg) 90%, transparent);
    display: flex; align-items: center; gap: 6px;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: thin;
}
.kbt-i-cbc::-webkit-scrollbar { display: none; }
.kbt-i-cbc a { color: var(--kbt-i-ink-soft); text-decoration: none; transition: color 0.2s; }
.kbt-i-cbc a:hover { color: var(--kbt-i-ink); }
.kbt-i-cbc span.sep { color: var(--kbt-i-line-2); }
.kbt-i-cbc b { color: var(--kbt-i-ink); font-weight: 700; text-transform: uppercase; }

/* ==========================================================================
   12. SHOP — Catalog Instrument
   ========================================================================== */
.kbt-i-shop {
    padding: var(--kbt-i-5) 0 var(--kbt-i-7);
    background: var(--kbt-i-bg);
}
.kbt-i-shop-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--kbt-i-5);
    align-items: start;
}
@media (max-width: 980px) { .kbt-i-shop-layout { grid-template-columns: 1fr; } }

/* Filter sidebar */
.kbt-i-filter {
    position: sticky; top: 120px;
    padding-right: var(--kbt-i-3);
    border-right: 1px solid var(--kbt-i-line);
}
@media (max-width: 980px) { .kbt-i-filter { position: static; border-right: 0; border-bottom: 1px solid var(--kbt-i-line); padding-right: 0; padding-bottom: var(--kbt-i-3); } }
.kbt-i-filter-h {
    font-family: var(--kbt-i-mono);
    font-size: 10.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--kbt-i-ink-soft);
    margin: 0 0 var(--kbt-i-2);
    padding-bottom: 10px;
    border-bottom: 1px solid var(--kbt-i-line);
}
.kbt-i-filter-h b { color: var(--kbt-i-ink); }
.kbt-i-filter-list { list-style: none; padding: 0; margin: 0 0 var(--kbt-i-4); }
.kbt-i-filter-list li { margin-bottom: 2px; }
.kbt-i-filter-list a {
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px 0;
    font-family: var(--kbt-i-sans);
    font-size: 13.5px;
    font-weight: 500;
    color: var(--kbt-i-ink-soft);
    text-decoration: none;
    border-left: 2px solid transparent;
    padding-left: 12px;
    transition: all 0.2s;
}
.kbt-i-filter-list a:hover { color: var(--kbt-i-ink); border-left-color: var(--kbt-i-accent); }
.kbt-i-filter-list a.is-active { color: var(--kbt-i-ink); border-left-color: var(--kbt-i-ink); font-weight: 700; }
.kbt-i-filter-list a .count {
    font-family: var(--kbt-i-mono);
    font-size: 10.5px;
    color: var(--kbt-i-ink-soft);
    letter-spacing: 0.06em;
}
.kbt-i-filter-list a.is-active .count { color: var(--kbt-i-accent-deep); }

.kbt-i-filter-certs { display: flex; flex-wrap: wrap; gap: 4px; }
.kbt-i-filter-cert {
    display: inline-block;
    padding: 5px 10px;
    font-family: var(--kbt-i-mono);
    font-size: 10.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--kbt-i-ink);
    background: var(--kbt-i-bg-alt);
    border: 1px solid var(--kbt-i-line);
    text-decoration: none;
    transition: all 0.2s;
}
.kbt-i-filter-cert:hover { background: var(--kbt-i-ink); color: var(--kbt-i-accent); border-color: var(--kbt-i-ink); }

.kbt-i-filter-ai {
    margin-top: var(--kbt-i-3);
    padding: var(--kbt-i-2);
    background: var(--kbt-i-ink);
    color: var(--kbt-i-bg);
    border: 1px solid var(--kbt-i-ink);
}
.kbt-i-filter-ai h5 { font-family: var(--kbt-i-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--kbt-i-accent); margin: 0 0 6px; }
.kbt-i-filter-ai p { font-size: 13px; line-height: 1.4; margin: 0 0 12px; color: rgba(255,255,255,0.7); }
.kbt-i-filter-ai button { font-family: var(--kbt-i-mono); font-size: 10.5px; padding: 8px 14px; background: var(--kbt-i-accent); color: var(--kbt-i-ink); border: 0; cursor: pointer; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 700; }

/* Toolbar */
.kbt-i-shop-toolbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 0 14px;
    border-bottom: 1px solid var(--kbt-i-line);
    margin-bottom: var(--kbt-i-3);
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    color: var(--kbt-i-ink-soft);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.kbt-i-shop-toolbar .woocommerce-result-count { margin: 0; font: inherit; }
.kbt-i-shop-toolbar .woocommerce-ordering select { background: transparent; border: 1px solid var(--kbt-i-line-2); padding: 6px 10px; font: inherit; cursor: pointer; }

/* Product grid */
.kbt-i-prod-grid {
    list-style: none; padding: 0; margin: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--kbt-i-line);
    border: 1px solid var(--kbt-i-line);
}
@media (max-width: 980px) { .kbt-i-prod-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .kbt-i-prod-grid { grid-template-columns: 1fr; } }
.kbt-i-prod {
    background: var(--kbt-i-bg);
    padding: 0;
    display: flex; flex-direction: column;
    list-style: none;
    transition: background 0.25s;
}
.kbt-i-prod:hover { background: var(--kbt-i-bg-alt); }
.kbt-i-prod-link { display: flex; flex-direction: column; height: 100%; text-decoration: none; color: inherit; }
.kbt-i-prod-head {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 16px;
    font-family: var(--kbt-i-mono);
    font-size: 10.5px;
    color: var(--kbt-i-ink-soft);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--kbt-i-line);
}
.kbt-i-prod-head b { color: var(--kbt-i-ink); }
.kbt-i-prod-head .stock { display: inline-flex; align-items: center; gap: 5px; color: var(--kbt-i-ok); }
.kbt-i-prod-head .stock::before { content: ''; width: 6px; height: 6px; background: var(--kbt-i-ok); border-radius: 50%; }
.kbt-i-prod-img {
    position: relative;
    aspect-ratio: 1/1;
    background: var(--kbt-i-bg-alt);
    overflow: hidden;
}
.kbt-i-prod-img img { width: 100%; height: 100%; object-fit: contain; padding: 12%; transition: transform 0.5s cubic-bezier(0.16,1,0.3,1); }
.kbt-i-prod:hover .kbt-i-prod-img img { transform: scale(1.07); }
.kbt-i-prod-body {
    padding: 14px 16px 16px;
    border-top: 1px solid var(--kbt-i-line);
    flex: 1;
    display: flex; flex-direction: column; gap: 6px;
}
.kbt-i-prod-title {
    font-family: var(--kbt-i-display);
    font-size: 17px;
    font-weight: 700;
    line-height: 1.2;
    margin: 0;
    color: var(--kbt-i-ink);
    letter-spacing: -0.01em;
}
.kbt-i-prod-specs {
    list-style: none; padding: 0; margin: 0;
    display: flex; flex-wrap: wrap; gap: 8px;
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    color: var(--kbt-i-ink-soft);
    margin-top: 6px;
}
.kbt-i-prod-specs li { display: inline-flex; align-items: center; gap: 4px; }
.kbt-i-prod-foot {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 10px;
    border-top: 1px dashed var(--kbt-i-line);
    margin-top: auto;
    font-family: var(--kbt-i-mono);
    font-size: 10.5px;
    color: var(--kbt-i-ink-soft);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.kbt-i-prod:hover .kbt-i-prod-foot .arrow { color: var(--kbt-i-accent-deep); }

.kbt-i-pagination { margin-top: var(--kbt-i-4); display: flex; justify-content: center; gap: 4px; }
.kbt-i-pagination .page-numbers {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 36px; height: 36px;
    padding: 0 12px;
    background: transparent;
    border: 1px solid var(--kbt-i-line-2);
    color: var(--kbt-i-ink);
    font-family: var(--kbt-i-mono);
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}
.kbt-i-pagination .page-numbers:hover { background: var(--kbt-i-ink); color: var(--kbt-i-accent); border-color: var(--kbt-i-ink); }
.kbt-i-pagination .page-numbers.current { background: var(--kbt-i-ink); color: var(--kbt-i-accent); border-color: var(--kbt-i-ink); }

/* ==========================================================================
   13. PRODUCT SINGLE — Specimen Detail
   ========================================================================== */
.kbt-i-product {
    padding: var(--kbt-i-5) 0 var(--kbt-i-7);
    background: var(--kbt-i-bg);
}
.kbt-i-product-grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: var(--kbt-i-6);
}
@media (max-width: 980px) { .kbt-i-product-grid { grid-template-columns: 1fr; gap: var(--kbt-i-4); } }
.kbt-i-product-media { position: sticky; top: 120px; align-self: start; }
@media (max-width: 980px) { .kbt-i-product-media { position: static; } }
.kbt-i-product-viewer {
    position: relative;
    background: var(--kbt-i-bg-alt);
    border: 1px solid var(--kbt-i-line-2);
    aspect-ratio: 1/1;
    overflow: hidden;
}
.kbt-i-product-viewer-bar {
    position: absolute; top: 0; left: 0; right: 0;
    padding: 10px 14px;
    background: rgba(10,10,10,0.85);
    color: var(--kbt-i-bg);
    backdrop-filter: blur(8px);
    font-family: var(--kbt-i-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: flex; justify-content: space-between; align-items: center;
    z-index: 2;
}
.kbt-i-product-viewer-bar b { color: var(--kbt-i-accent); }
.kbt-i-product-viewer img { width: 100%; height: 100%; object-fit: contain; padding: 8%; transition: transform 0.4s cubic-bezier(0.16,1,0.3,1); display: block; }
.kbt-i-product-viewer:hover img { transform: scale(1.5); }
.kbt-i-product-viewer-foot {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 10px 14px;
    background: rgba(10,10,10,0.85);
    color: var(--kbt-i-bg);
    backdrop-filter: blur(8px);
    font-family: var(--kbt-i-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    display: flex; justify-content: space-between;
    z-index: 2;
}

.kbt-i-product-thumbs { display: flex; gap: 8px; margin-top: var(--kbt-i-1); overflow-x: auto; }
.kbt-i-product-thumb {
    flex: 0 0 72px;
    width: 72px; height: 72px;
    background: var(--kbt-i-bg-alt);
    border: 1px solid var(--kbt-i-line);
    cursor: pointer;
    padding: 0;
    overflow: hidden;
    transition: border-color 0.2s;
}
.kbt-i-product-thumb img { width: 100%; height: 100%; object-fit: contain; padding: 8%; }
.kbt-i-product-thumb:hover, .kbt-i-product-thumb.is-active { border-color: var(--kbt-i-ink); }

/* Product info */
.kbt-i-product-info { min-width: 0; }
.kbt-i-product-eyebrow {
    display: flex; align-items: center; gap: 14px; margin-bottom: var(--kbt-i-2);
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--kbt-i-ink-soft);
}
.kbt-i-product-eyebrow b { color: var(--kbt-i-ink); }
.kbt-i-product-eyebrow .stock { display: inline-flex; align-items: center; gap: 5px; color: var(--kbt-i-ok); }
.kbt-i-product-eyebrow .stock::before { content: ''; width: 6px; height: 6px; background: var(--kbt-i-ok); border-radius: 50%; box-shadow: 0 0 6px var(--kbt-i-ok); animation: kbtIBlink 2s ease-in-out infinite; }
.kbt-i-product-eyebrow .stock--back { color: #B8730A; }
.kbt-i-product-eyebrow .stock--back::before { background: #F39C12; box-shadow: 0 0 6px #F39C12; }
.kbt-i-product-eyebrow .stock--mto { color: var(--kbt-i-ink-soft); }
.kbt-i-product-eyebrow .stock--mto::before { background: var(--kbt-i-ink-soft); box-shadow: 0 0 6px var(--kbt-i-ink-soft); }

.kbt-i-product-title {
    font-family: var(--kbt-i-display);
    font-size: clamp(30px, 4vw, 52px);
    line-height: 1.05;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin: 0 0 var(--kbt-i-2);
}
.kbt-i-product-pills { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: var(--kbt-i-3); }
.kbt-i-product-pill {
    font-family: var(--kbt-i-mono);
    font-size: 10.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 5px 10px;
    background: var(--kbt-i-bg-alt);
    border: 1px solid var(--kbt-i-line);
    color: var(--kbt-i-ink);
    text-decoration: none;
}
.kbt-i-product-pill--cert { background: rgba(255,237,0,0.12); border-color: rgba(255,237,0,0.3); color: var(--kbt-i-accent-deep); }
[data-theme="dark"] .kbt-i-product-pill--cert { color: var(--kbt-i-accent); }
.kbt-i-product-lead { font-size: 16px; line-height: 1.55; color: var(--kbt-i-ink-soft); margin-bottom: var(--kbt-i-3); }

/* Spec table */
.kbt-i-product-specs {
    border: 1px solid var(--kbt-i-line);
    margin: var(--kbt-i-3) 0;
}
.kbt-i-product-specs-head {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 16px;
    background: var(--kbt-i-ink);
    color: var(--kbt-i-bg);
    font-family: var(--kbt-i-mono);
    font-size: 10.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}
.kbt-i-product-specs-head b { color: var(--kbt-i-accent); }
.kbt-i-product-specs dl { margin: 0; }
.kbt-i-product-specs dl > div {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 16px;
    padding: 10px 16px;
    border-top: 1px solid var(--kbt-i-line);
    font-size: 13.5px;
    align-items: center;
}
.kbt-i-product-specs dl > div:hover { background: var(--kbt-i-bg-alt); }
.kbt-i-product-specs dt {
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--kbt-i-ink-soft);
    text-transform: uppercase;
}
.kbt-i-product-specs dd {
    margin: 0;
    font-family: var(--kbt-i-mono);
    font-size: 13.5px;
    font-weight: 700;
    color: var(--kbt-i-ink);
}

/* Action row */
.kbt-i-product-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: var(--kbt-i-3) 0; }

/* Trust micro grid */
.kbt-i-product-trust {
    list-style: none; padding: 0; margin: var(--kbt-i-3) 0 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--kbt-i-line);
    border: 1px solid var(--kbt-i-line);
}
.kbt-i-product-trust li {
    background: var(--kbt-i-bg);
    padding: 14px 16px;
    display: flex; gap: 10px; align-items: start;
}
.kbt-i-product-trust svg { color: var(--kbt-i-accent-deep); flex-shrink: 0; margin-top: 2px; }
[data-theme="dark"] .kbt-i-product-trust svg { color: var(--kbt-i-accent); }
.kbt-i-product-trust strong { display: block; font-size: 13px; font-weight: 700; margin-bottom: 2px; }
.kbt-i-product-trust span { font-size: 12px; color: var(--kbt-i-ink-soft); line-height: 1.4; }

/* Tabs */
.kbt-i-tabs { display: flex; gap: 2px; border-bottom: 2px solid var(--kbt-i-ink); margin: var(--kbt-i-5) 0 var(--kbt-i-3); overflow-x: auto; }
.kbt-i-tab {
    padding: 12px 18px;
    background: transparent; border: 0; border-bottom: 2px solid transparent;
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--kbt-i-ink-soft);
    cursor: pointer;
    margin-bottom: -2px;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
    white-space: nowrap;
}
.kbt-i-tab:hover { color: var(--kbt-i-ink); }
.kbt-i-tab.is-active { color: var(--kbt-i-ink); border-bottom-color: var(--kbt-i-accent); background: var(--kbt-i-bg-alt); }
.kbt-i-panel { display: none; padding: var(--kbt-i-3) 0; }
.kbt-i-panel.is-active { display: block; }

.kbt-i-panel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--kbt-i-3); }
@media (max-width: 880px) { .kbt-i-panel-grid { grid-template-columns: 1fr; } }
.kbt-i-panel-col { border: 1px solid var(--kbt-i-line); padding: 18px 20px; }
.kbt-i-panel-col h4 {
    font-family: var(--kbt-i-mono);
    font-size: 10.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--kbt-i-accent-deep);
    margin: 0 0 12px;
}
.kbt-i-panel-col dl { margin: 0; }
.kbt-i-panel-col dl > div { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 5px 0; border-bottom: 1px dashed var(--kbt-i-line); font-family: var(--kbt-i-mono); font-size: 12px; }
.kbt-i-panel-col dl > div:last-child { border-bottom: 0; }
.kbt-i-panel-col dt { color: var(--kbt-i-ink-soft); }
.kbt-i-panel-col dd { margin: 0; color: var(--kbt-i-ink); font-weight: 700; text-align: right; }

.kbt-i-tender {
    background: var(--kbt-i-ink);
    color: var(--kbt-i-bg);
    padding: 0;
    border: 1px solid var(--kbt-i-ink);
}
.kbt-i-tender-bar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 16px;
    background: rgba(255,237,0,0.08);
    border-bottom: 1px solid rgba(255,237,0,0.18);
    font-family: var(--kbt-i-mono);
    font-size: 10.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--kbt-i-accent);
}
.kbt-i-tender-bar button { background: var(--kbt-i-accent); color: var(--kbt-i-ink); border: 0; padding: 6px 12px; font: inherit; cursor: pointer; font-weight: 700; }
.kbt-i-tender pre { padding: 22px 24px; margin: 0; font-family: var(--kbt-i-mono); font-size: 13px; line-height: 1.6; white-space: pre-wrap; color: rgba(255,255,255,0.92); }

/* Sticky cart bar */
.kbt-i-stickybar {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
    background: rgba(250,250,247,0.92);
    backdrop-filter: blur(20px) saturate(1.4);
    border-top: 1px solid var(--kbt-i-line-2);
    padding: 10px 0;
    transform: translateY(110%);
    transition: transform 0.4s cubic-bezier(0.16,1,0.3,1);
}
[data-theme="dark"] .kbt-i-stickybar { background: rgba(10,10,10,0.92); }
.kbt-i-stickybar.is-visible { transform: translateY(0); }
.kbt-i-stickybar-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 0 var(--kbt-i-page-pad); }
.kbt-i-stickybar-name { display: flex; align-items: center; gap: 12px; min-width: 0; flex: 1; }
.kbt-i-stickybar-name img { width: 40px; height: 40px; object-fit: contain; padding: 4px; background: var(--kbt-i-bg-alt); }
.kbt-i-stickybar-name strong { display: block; font-size: 14px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kbt-i-stickybar-name small { display: block; font-family: var(--kbt-i-mono); font-size: 10.5px; color: var(--kbt-i-ink-soft); letter-spacing: 0.06em; text-transform: uppercase; }
.kbt-i-stickybar-actions { display: flex; gap: 8px; }
@media (max-width: 720px) { .kbt-i-stickybar-actions .kbt-i-btn { padding: 10px 14px; font-size: 10px; } }

/* ==========================================================================
   14. KONTAKT / FORM
   ========================================================================== */
.kbt-i-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: var(--kbt-i-5);
}
@media (max-width: 980px) { .kbt-i-contact-grid { grid-template-columns: 1fr; } }
.kbt-i-contact-cards { display: grid; grid-template-columns: 1fr; gap: 12px; align-self: start; }
.kbt-i-contact-card {
    display: block;
    padding: 22px 24px;
    background: var(--kbt-i-bg-alt);
    border: 1px solid var(--kbt-i-line);
    text-decoration: none;
    color: var(--kbt-i-ink);
    transition: all 0.25s;
}
.kbt-i-contact-card:hover { border-color: var(--kbt-i-ink); background: var(--kbt-i-bg); }
.kbt-i-contact-card--dark { background: var(--kbt-i-ink); color: var(--kbt-i-bg); border-color: var(--kbt-i-ink); }
.kbt-i-contact-card--dark:hover { background: #1A1A1A; }
.kbt-i-contact-card--accent { background: var(--kbt-i-accent); color: var(--kbt-i-ink); border-color: var(--kbt-i-accent); }
.kbt-i-contact-card-code {
    font-family: var(--kbt-i-mono);
    font-size: 10.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--kbt-i-ink-soft);
    margin-bottom: 8px;
    display: block;
}
.kbt-i-contact-card--dark .kbt-i-contact-card-code { color: var(--kbt-i-accent); }
.kbt-i-contact-card--accent .kbt-i-contact-card-code { color: rgba(10,10,10,0.6); }
.kbt-i-contact-card strong { display: block; font-size: 17px; font-weight: 700; line-height: 1.3; margin-bottom: 6px; }
.kbt-i-contact-card-meta { font-family: var(--kbt-i-mono); font-size: 12px; color: var(--kbt-i-ink-soft); line-height: 1.5; }
.kbt-i-contact-card--dark .kbt-i-contact-card-meta { color: rgba(255,255,255,0.55); }

.kbt-i-form-shell {
    background: var(--kbt-i-bg);
    border: 1px solid var(--kbt-i-line-2);
    padding: var(--kbt-i-4) var(--kbt-i-4);
}
.kbt-i-form-shell h3 {
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--kbt-i-ink-soft);
    margin: 0 0 var(--kbt-i-2);
    padding-bottom: 12px;
    border-bottom: 1px solid var(--kbt-i-line);
}
.kbt-i-form-shell h3 b { color: var(--kbt-i-ink); }
.kbt-i-form { display: flex; flex-direction: column; gap: 16px; }
.kbt-i-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 540px) { .kbt-i-form-row { grid-template-columns: 1fr; } }
.kbt-i-field { display: flex; flex-direction: column; gap: 6px; }
.kbt-i-field label {
    font-family: var(--kbt-i-mono);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--kbt-i-ink-soft);
}
.kbt-i-field label i { color: var(--kbt-i-spec); font-style: normal; }
.kbt-i-field input, .kbt-i-field select, .kbt-i-field textarea {
    width: 100%;
    padding: 12px 14px;
    background: var(--kbt-i-bg-alt);
    border: 1px solid var(--kbt-i-line);
    font-family: var(--kbt-i-sans);
    font-size: 14px;
    color: var(--kbt-i-ink);
    border-radius: 0;
    transition: border-color 0.2s, background 0.2s;
}
.kbt-i-field input:focus, .kbt-i-field select:focus, .kbt-i-field textarea:focus {
    outline: 0;
    border-color: var(--kbt-i-ink);
    background: var(--kbt-i-bg);
}
.kbt-i-field textarea { resize: vertical; min-height: 130px; }
.kbt-i-fieldset { border: 0; padding: 0; margin: 0 0 var(--kbt-i-3); display: flex; flex-direction: column; gap: 16px; }
.kbt-i-fieldset legend {
    display: flex; align-items: center; gap: 10px;
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--kbt-i-ink-soft);
    padding: 0 0 12px 0;
    margin: 0;
    border-bottom: 1px solid var(--kbt-i-line);
    width: 100%;
}
.kbt-i-fieldset legend span {
    display: inline-flex; width: 24px; height: 24px;
    background: var(--kbt-i-ink); color: var(--kbt-i-accent);
    align-items: center; justify-content: center;
    font-weight: 800; font-size: 11px;
}
.kbt-i-fieldset legend b { color: var(--kbt-i-ink); }
.kbt-i-checkbox { display: grid; grid-template-columns: 18px 1fr; gap: 10px; font-size: 12.5px; color: var(--kbt-i-ink-soft); line-height: 1.5; align-items: start; }
.kbt-i-checkbox input { margin-top: 2px; accent-color: var(--kbt-i-ink); }
.kbt-i-checkbox a { color: var(--kbt-i-ink); font-weight: 600; }

.kbt-i-map {
    margin-top: var(--kbt-i-5);
    border: 1px solid var(--kbt-i-line-2);
    aspect-ratio: 16/6;
    overflow: hidden;
    position: relative;
}
.kbt-i-map iframe { width: 100%; height: 100%; border: 0; display: block; filter: saturate(0.7) contrast(1.05); }
.kbt-i-map::before {
    content: 'KBT.HQ · DENKENDORF, BAYERN';
    position: absolute; top: 14px; left: 14px;
    z-index: 2;
    padding: 6px 12px;
    background: var(--kbt-i-ink);
    color: var(--kbt-i-accent);
    font-family: var(--kbt-i-mono);
    font-size: 10.5px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

/* ==========================================================================
   15. ÜBER UNS / REFERENZEN / JOBS / DOWNLOADS — generic instrument layouts
   ========================================================================== */

/* Manifest split */
.kbt-i-mani {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--kbt-i-5);
    align-items: center;
}
@media (max-width: 980px) { .kbt-i-mani { grid-template-columns: 1fr; } }
.kbt-i-mani-photo { position: relative; aspect-ratio: 4/5; overflow: hidden; border: 1px solid var(--kbt-i-line-2); }
.kbt-i-mani-photo img { width: 100%; height: 100%; object-fit: cover; }
.kbt-i-mani-quote {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 20px 24px;
    background: rgba(10,10,10,0.85);
    color: var(--kbt-i-bg);
    backdrop-filter: blur(8px);
    border-top: 1px solid var(--kbt-i-accent);
}
.kbt-i-mani-quote p { font-family: var(--kbt-i-display); font-size: 16px; line-height: 1.4; font-style: italic; margin: 0 0 8px; }
.kbt-i-mani-quote span { font-family: var(--kbt-i-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--kbt-i-accent); }

.kbt-i-mani-text h2 {
    font-family: var(--kbt-i-display);
    font-size: clamp(28px, 3.6vw, 48px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.025em;
    margin: 14px 0 var(--kbt-i-3);
}
.kbt-i-mani-text p { font-size: 16px; line-height: 1.6; color: var(--kbt-i-ink-soft); margin: 0 0 var(--kbt-i-3); }

/* Timeline */
.kbt-i-timeline { list-style: none; padding: 0; margin: var(--kbt-i-4) 0 0; position: relative; }
.kbt-i-timeline::before {
    content: ''; position: absolute; left: 100px; top: 0; bottom: 0;
    width: 1px; background: var(--kbt-i-line-2);
}
@media (max-width: 640px) { .kbt-i-timeline::before { left: 12px; } }
.kbt-i-timeline li {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 32px;
    padding: var(--kbt-i-3) 0;
    position: relative;
}
@media (max-width: 640px) { .kbt-i-timeline li { grid-template-columns: 1fr; padding-left: 32px; gap: 8px; } }
.kbt-i-timeline-year {
    font-family: var(--kbt-i-mono);
    font-size: 13px;
    font-weight: 800;
    color: var(--kbt-i-ink);
    padding: 6px 10px;
    background: var(--kbt-i-bg);
    border: 1px solid var(--kbt-i-ink);
    text-align: center;
    align-self: start;
    position: relative;
    z-index: 1;
}
.kbt-i-timeline-body h3 { font-family: var(--kbt-i-display); font-size: 20px; font-weight: 700; margin: 0 0 6px; }
.kbt-i-timeline-body p { font-size: 14px; color: var(--kbt-i-ink-soft); line-height: 1.55; margin: 0; }

/* Team grid */
.kbt-i-team {
    list-style: none; padding: 0; margin: var(--kbt-i-4) 0 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--kbt-i-line);
    border: 1px solid var(--kbt-i-line);
}
@media (max-width: 980px) { .kbt-i-team { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .kbt-i-team { grid-template-columns: 1fr; } }
.kbt-i-team-card {
    padding: 22px 22px;
    background: var(--kbt-i-bg);
    display: flex; flex-direction: column; gap: 8px;
}
.kbt-i-team-card-code {
    font-family: var(--kbt-i-mono);
    font-size: 10.5px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--kbt-i-ink-soft);
    padding-bottom: 10px;
    border-bottom: 1px solid var(--kbt-i-line);
}
.kbt-i-team-init {
    display: inline-flex;
    width: 44px; height: 44px;
    background: var(--kbt-i-ink); color: var(--kbt-i-accent);
    align-items: center; justify-content: center;
    font-family: var(--kbt-i-display); font-weight: 800; font-size: 15px;
    margin-top: 4px;
}
.kbt-i-team-card h3 { font-family: var(--kbt-i-display); font-size: 17px; font-weight: 700; margin: 0; line-height: 1.2; }
.kbt-i-team-card .role { font-family: var(--kbt-i-mono); font-size: 11px; color: var(--kbt-i-ink-soft); letter-spacing: 0.06em; text-transform: uppercase; }
.kbt-i-team-card ul { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-direction: column; gap: 4px; }
.kbt-i-team-card a { color: var(--kbt-i-ink); text-decoration: none; font-size: 13px; display: inline-flex; align-items: center; gap: 6px; }
.kbt-i-team-card a:hover { color: var(--kbt-i-accent-deep); }

/* Job row */
.kbt-i-jobs { list-style: none; padding: 0; margin: var(--kbt-i-4) 0 0; }
.kbt-i-job {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 20px;
    align-items: center;
    padding: 22px 24px;
    border-top: 1px solid var(--kbt-i-line);
    transition: background 0.2s;
}
.kbt-i-job:first-child { border-top: 2px solid var(--kbt-i-ink); }
.kbt-i-job:last-child { border-bottom: 1px solid var(--kbt-i-line); }
.kbt-i-job:hover { background: var(--kbt-i-bg-alt); }
@media (max-width: 720px) { .kbt-i-job { grid-template-columns: 1fr; } }
.kbt-i-job-code {
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--kbt-i-ink-soft);
    margin-bottom: 6px;
}
.kbt-i-job h3 { font-family: var(--kbt-i-display); font-size: 20px; font-weight: 700; margin: 0 0 8px; }
.kbt-i-job-meta { display: flex; flex-wrap: wrap; gap: 14px; font-family: var(--kbt-i-mono); font-size: 11px; color: var(--kbt-i-ink-soft); letter-spacing: 0.04em; }

/* Download grid */
.kbt-i-dl {
    list-style: none; padding: 0; margin: var(--kbt-i-4) 0 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--kbt-i-line);
    border: 1px solid var(--kbt-i-line);
}
@media (max-width: 980px) { .kbt-i-dl { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .kbt-i-dl { grid-template-columns: 1fr; } }
.kbt-i-dl-card {
    background: var(--kbt-i-bg);
    padding: 24px;
    display: flex; flex-direction: column; gap: 10px;
    text-decoration: none;
    color: inherit;
    transition: background 0.2s;
    cursor: pointer;
    text-align: left;
}
.kbt-i-dl-card:hover { background: var(--kbt-i-bg-alt); }
.kbt-i-dl-card--accent { background: var(--kbt-i-accent); color: var(--kbt-i-ink); }
.kbt-i-dl-card--accent:hover { background: #FFD700; }
.kbt-i-dl-code { font-family: var(--kbt-i-mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--kbt-i-ink-soft); padding-bottom: 12px; border-bottom: 1px solid var(--kbt-i-line); }
.kbt-i-dl-card--accent .kbt-i-dl-code { color: rgba(10,10,10,0.6); border-bottom-color: rgba(10,10,10,0.15); }
.kbt-i-dl-card h3 { font-family: var(--kbt-i-display); font-size: 18px; font-weight: 700; margin: 4px 0; line-height: 1.25; }
.kbt-i-dl-card p { font-size: 13.5px; color: var(--kbt-i-ink-soft); line-height: 1.5; margin: 0; flex: 1; }
.kbt-i-dl-card--accent p { color: rgba(10,10,10,0.75); }
.kbt-i-dl-foot { display: flex; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--kbt-i-line); margin-top: auto; font-family: var(--kbt-i-mono); font-size: 11px; color: var(--kbt-i-ink-soft); letter-spacing: 0.06em; text-transform: uppercase; }
.kbt-i-dl-card--accent .kbt-i-dl-foot { border-top-color: rgba(10,10,10,0.15); color: rgba(10,10,10,0.7); }

/* AWG table */
.kbt-i-awg { width: 100%; border-collapse: collapse; font-family: var(--kbt-i-mono); font-size: 12.5px; margin-top: var(--kbt-i-3); }
.kbt-i-awg th, .kbt-i-awg td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--kbt-i-line); }
.kbt-i-awg th { font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--kbt-i-ink-soft); border-bottom: 2px solid var(--kbt-i-ink); }
.kbt-i-awg tbody tr:hover td { background: var(--kbt-i-bg-alt); }
.kbt-i-awg td.awg { font-weight: 800; color: var(--kbt-i-accent-deep); }

/* References */
.kbt-i-ref-block { margin-bottom: var(--kbt-i-5); padding-top: var(--kbt-i-3); border-top: 2px solid var(--kbt-i-ink); }
.kbt-i-ref-block-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--kbt-i-3); }
.kbt-i-ref-block-head h3 { font-family: var(--kbt-i-display); font-size: 22px; font-weight: 700; margin: 0; }
.kbt-i-ref-block-head .count { font-family: var(--kbt-i-mono); font-size: 11px; color: var(--kbt-i-ink-soft); letter-spacing: 0.08em; text-transform: uppercase; }
.kbt-i-ref-logos {
    list-style: none; padding: 0; margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1px;
    background: var(--kbt-i-line);
    border: 1px solid var(--kbt-i-line);
}
.kbt-i-ref-logo {
    display: grid; grid-template-columns: 44px 1fr; gap: 10px;
    align-items: center;
    padding: 12px 14px;
    background: var(--kbt-i-bg);
    transition: background 0.2s;
}
.kbt-i-ref-logo:hover { background: var(--kbt-i-bg-alt); }
.kbt-i-ref-mark {
    width: 40px; height: 40px;
    background: var(--kbt-i-ink); color: var(--kbt-i-accent);
    display: inline-flex; align-items: center; justify-content: center;
    font-family: var(--kbt-i-display); font-weight: 800; font-size: 13px;
}
.kbt-i-ref-name { font-size: 13px; font-weight: 600; line-height: 1.3; }

/* Case studies bento */
.kbt-i-cases { display: grid; grid-template-columns: 2fr 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 1px; background: var(--kbt-i-line); border: 1px solid var(--kbt-i-line); margin-top: var(--kbt-i-4); min-height: 480px; }
@media (max-width: 880px) { .kbt-i-cases { grid-template-columns: 1fr; grid-template-rows: auto; } }
.kbt-i-case { background: var(--kbt-i-bg); position: relative; overflow: hidden; padding: 0; display: flex; flex-direction: column; }
.kbt-i-case--wide { grid-row: span 2; }
.kbt-i-case-img { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.kbt-i-case--wide .kbt-i-case-img { aspect-ratio: auto; flex: 1; min-height: 240px; }
.kbt-i-case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.16,1,0.3,1); }
.kbt-i-case:hover .kbt-i-case-img img { transform: scale(1.05); }
.kbt-i-case-body { padding: 18px 20px; }
.kbt-i-case--wide .kbt-i-case-body { padding: 24px 28px; }
.kbt-i-case-code { font-family: var(--kbt-i-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--kbt-i-ink-soft); margin-bottom: 8px; }
.kbt-i-case h3 { font-family: var(--kbt-i-display); font-size: 17px; font-weight: 700; line-height: 1.3; margin: 0 0 8px; }
.kbt-i-case--wide h3 { font-size: 24px; }
.kbt-i-case p { font-size: 13.5px; color: var(--kbt-i-ink-soft); line-height: 1.5; margin: 0 0 12px; }

/* Legal page */
.kbt-i-legal { max-width: 760px; margin: 0 auto; padding: var(--kbt-i-6) var(--kbt-i-page-pad); }
.kbt-i-legal h1 { font-family: var(--kbt-i-display); font-size: clamp(32px, 4vw, 56px); font-weight: 800; letter-spacing: -0.025em; line-height: 1.05; margin: 0 0 var(--kbt-i-4); padding-bottom: var(--kbt-i-2); border-bottom: 2px solid var(--kbt-i-ink); }
.kbt-i-legal h1::before { content: 'LEGAL · '; display: inline-block; font-family: var(--kbt-i-mono); font-size: 13px; font-weight: 700; letter-spacing: 0.14em; color: var(--kbt-i-accent-deep); vertical-align: middle; margin-right: 12px; }
.kbt-i-legal h2 { font-family: var(--kbt-i-display); font-size: 22px; font-weight: 700; margin: var(--kbt-i-4) 0 var(--kbt-i-2); padding-top: var(--kbt-i-3); border-top: 1px solid var(--kbt-i-line); }
.kbt-i-legal h3 { font-family: var(--kbt-i-display); font-size: 17px; font-weight: 700; margin: var(--kbt-i-3) 0 8px; }
.kbt-i-legal p, .kbt-i-legal li { font-size: 15px; line-height: 1.7; color: var(--kbt-i-ink-soft); }
.kbt-i-legal p { margin: 0 0 14px; }
.kbt-i-legal ul, .kbt-i-legal ol { margin: 0 0 14px 22px; }
.kbt-i-legal a { color: var(--kbt-i-ink); text-decoration: underline; text-underline-offset: 3px; }
.kbt-i-legal strong { color: var(--kbt-i-ink); }

/* Sonderkabel multi-step */
.kbt-i-sk-steps {
    list-style: none; padding: 0; margin: var(--kbt-i-4) 0 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--kbt-i-line);
    border: 1px solid var(--kbt-i-line);
}
@media (max-width: 880px) { .kbt-i-sk-steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .kbt-i-sk-steps { grid-template-columns: 1fr; } }
.kbt-i-sk-step { background: var(--kbt-i-bg); padding: 26px 24px; display: flex; flex-direction: column; gap: 10px; }
.kbt-i-sk-num { display: inline-block; padding: 4px 8px; background: var(--kbt-i-accent); color: var(--kbt-i-ink); font-family: var(--kbt-i-mono); font-size: 11px; font-weight: 800; letter-spacing: 0.12em; align-self: flex-start; }
.kbt-i-sk-step h3 { font-family: var(--kbt-i-display); font-size: 17px; font-weight: 700; margin: 8px 0 4px; line-height: 1.25; }
.kbt-i-sk-step p { font-size: 13.5px; color: var(--kbt-i-ink-soft); line-height: 1.55; margin: 0; }

/* ==========================================================================
   ITER 10 — Typography overhaul + 23 audit fixes
   ========================================================================== */

/* --- TYPOGRAPHY readability fix --- */
body.kbt-i {
    font-size: 15.5px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
/* Display headings: more readable line-height + tracking */
.kbt-i-hero-title,
.kbt-i-page-hero-title,
.kbt-i-shead h2,
.kbt-i-product-title {
    line-height: 1.06 !important;
    letter-spacing: -0.022em !important;
    font-weight: 700;
    font-feature-settings: "ss01", "cv11";
}
.kbt-i-cat h3, .kbt-i-prod-title, .kbt-i-team-card h3, .kbt-i-job h3, .kbt-i-case h3, .kbt-i-dl-card h3, .kbt-i-sk-step h3, .kbt-i-mani-text h2, .kbt-i-timeline-body h3, .kbt-i-legal h1, .kbt-i-legal h2, .kbt-i-legal h3, .kbt-i-tender pre, .kbt-i-strip-cell dd, .kbt-i-anfrage-h, .kbt-i-shead-num b, .kbt-i-page-hero-meta b {
    font-feature-settings: "ss01";
}
.kbt-i-hero-meta dd, .kbt-i-strip-cell dd { letter-spacing: -0.018em !important; }
.kbt-i-page-hero-title em, .kbt-i-hero-title em { letter-spacing: -0.022em; }

/* Body text more readable */
body.kbt-i .kbt-i-hero-sub,
body.kbt-i .kbt-i-page-hero-sub,
body.kbt-i .kbt-i-product-lead,
body.kbt-i .kbt-i-mani-text p,
body.kbt-i .kbt-i-cat p {
    font-size: 16px;
    line-height: 1.65;
}

/* Increase contrast: ink-soft was #5B5B5B (5.5 ratio), bump to #4A4A4A (7.0 ratio AAA) */
:root { --kbt-i-ink-soft: #4A4A4A; }
[data-theme="dark"] { --kbt-i-ink-soft: #B5B5B5; }

/* Topbar: bump muted text to AA contrast */
.kbt-i-topbar-coord { color: #C0C0C0; }
.kbt-i-topbar-coord b { color: var(--kbt-i-accent); }
.kbt-i-topbar-badges span { color: #B0B0B0; }
.kbt-i-topbar-badges b { color: #ECECEC; }

/* Monospace minimums for legibility */
.kbt-i-code,
.kbt-i-cbc,
.kbt-i-shead-num,
.kbt-i-overline,
.kbt-i-product-eyebrow,
.kbt-i-cat-code,
.kbt-i-cat-foot,
.kbt-i-prod-head,
.kbt-i-prod-foot,
.kbt-i-product-pill,
.kbt-i-case-code,
.kbt-i-team-card-code,
.kbt-i-dl-code,
.kbt-i-job-code,
.kbt-i-filter-h,
.kbt-i-spec-icon { font-size: 12px !important; }
.kbt-i-topbar-inner { font-size: 12px; min-height: 36px; }
.kbt-i-strip-cell dt { font-size: 11.5px; }
.kbt-i-hero-eyebrow { font-size: 12px; }

/* --- COOKIE banner restyle (de-conflict from brand CTA) --- */
.kbt-cookie-banner,
[class*="codlab-cookie"],
[class*="cookie-notice"] {
    background: var(--kbt-i-ink) !important;
    color: #ECECEC !important;
    border-top: 1px solid var(--kbt-i-accent) !important;
    font-family: var(--kbt-i-sans) !important;
    font-size: 13.5px !important;
    padding: 14px 24px !important;
}
.kbt-cookie-banner button[class*="accept"],
.kbt-cookie-banner .accept,
[class*="cookie"] [class*="accept-all"],
[class*="cookie"] button[data-action*="accept"] {
    background: #ECECEC !important;
    color: var(--kbt-i-ink) !important;
    border: 1px solid #ECECEC !important;
    padding: 9px 18px !important;
    font-family: var(--kbt-i-mono) !important;
    font-size: 11px !important;
    text-transform: uppercase !important;
    letter-spacing: 0.1em !important;
    border-radius: 0 !important;
    font-weight: 700 !important;
}
.kbt-cookie-banner button[class*="reject"],
.kbt-cookie-banner .reject,
[class*="cookie"] [class*="reject"],
[class*="cookie"] button[data-action*="reject"],
[class*="cookie"] button[data-action*="necessary"] {
    background: transparent !important;
    color: #ECECEC !important;
    border: 1px solid rgba(255,255,255,0.3) !important;
    padding: 9px 18px !important;
    font-family: var(--kbt-i-mono) !important;
    font-size: 11px !important;
    text-transform: uppercase !important;
    letter-spacing: 0.1em !important;
    border-radius: 0 !important;
}

/* --- MOBILE NAV DRAWER --- */
.kbt-i-mobile-toggle {
    display: none;
    width: 36px; height: 36px;
    background: transparent; border: 1px solid var(--kbt-i-line-2); border-radius: 4px;
    color: var(--kbt-i-ink);
    cursor: pointer;
    padding: 0;
    align-items: center; justify-content: center;
}
@media (max-width: 980px) {
    .kbt-i-mobile-toggle { display: inline-flex; }
    .kbt-i-nav-menu { display: none; }
    .kbt-i-nav-cta { display: none; }
    .kbt-i-nav-tools { margin-left: 4px; }
}
.kbt-i-mobile-drawer {
    position: fixed;
    top: 0; right: -100%;
    width: min(360px, 90vw);
    height: 100vh; height: 100dvh;
    background: var(--kbt-i-bg);
    z-index: 200;
    box-shadow: -20px 0 60px rgba(0,0,0,0.2);
    transition: right 0.32s cubic-bezier(0.16,1,0.3,1);
    overflow-y: auto;
    border-left: 1px solid var(--kbt-i-line-2);
}
.kbt-i-mobile-drawer.is-open { right: 0; }
.kbt-i-mobile-drawer-overlay {
    position: fixed; inset: 0;
    background: rgba(10,10,10,0.5);
    opacity: 0; pointer-events: none;
    z-index: 199;
    transition: opacity 0.32s;
    backdrop-filter: blur(4px);
}
.kbt-i-mobile-drawer-overlay.is-open { opacity: 1; pointer-events: auto; }
.kbt-i-mobile-drawer-head {
    padding: 18px 22px;
    border-bottom: 1px solid var(--kbt-i-line);
    display: flex; justify-content: space-between; align-items: center;
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--kbt-i-ink-soft);
}
.kbt-i-mobile-drawer-close {
    width: 32px; height: 32px;
    background: transparent; border: 0; cursor: pointer;
    color: var(--kbt-i-ink);
}
.kbt-i-mobile-drawer ul {
    list-style: none; padding: 0; margin: 0;
}
.kbt-i-mobile-drawer ul li { border-bottom: 1px solid var(--kbt-i-line); }
.kbt-i-mobile-drawer ul a {
    display: flex; justify-content: space-between; align-items: center;
    padding: 22px 22px;
    color: var(--kbt-i-ink);
    text-decoration: none;
    font-family: var(--kbt-i-display);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.015em;
    transition: background 0.2s, color 0.2s;
}
.kbt-i-mobile-drawer ul a::after {
    content: '→';
    color: var(--kbt-i-ink-soft);
    font-family: var(--kbt-i-mono);
    transition: transform 0.25s, color 0.2s;
}
.kbt-i-mobile-drawer ul a:hover, .kbt-i-mobile-drawer ul a:active {
    background: var(--kbt-i-bg-alt);
    color: var(--kbt-i-accent-deep);
}
.kbt-i-mobile-drawer ul a:hover::after { transform: translateX(4px); color: var(--kbt-i-accent-deep); }
.kbt-i-mobile-drawer-foot {
    padding: 22px;
    border-top: 1px solid var(--kbt-i-line);
    display: flex; flex-direction: column; gap: 12px;
    font-family: var(--kbt-i-mono);
    font-size: 12px;
    color: var(--kbt-i-ink-soft);
}
.kbt-i-mobile-drawer-foot a { color: var(--kbt-i-ink); text-decoration: none; }

/* --- TOPBAR mobile: keep coordinates visible (2-line if needed) --- */
@media (max-width: 880px) {
    .kbt-i-topbar-inner {
        grid-template-columns: 1fr;
        min-height: auto;
        padding: 0;
    }
    .kbt-i-topbar-left { display: flex; padding: 8px 14px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.08); font-size: 10.5px; }
    .kbt-i-topbar-center { display: none; }
    .kbt-i-topbar-right { padding: 8px 14px; border-left: 0; justify-content: space-between; }
}

/* --- BREADCRUMB mobile fix: wrap + ellipsis on last item --- */
@media (max-width: 720px) {
    .kbt-i-cbc {
        white-space: normal;
        line-height: 1.4;
        padding: 10px 16px;
        font-size: 11px;
    }
    .kbt-i-cbc b { display: inline-block; max-width: 100%; overflow: hidden; text-overflow: ellipsis; vertical-align: bottom; }
}

/* --- PRODUCT specs table: hide if empty --- */
.kbt-i-product-specs:not(:has(dl > div)) { display: none; }
/* Fallback for browsers without :has — use class via JS */
.kbt-i-product-specs.is-empty { display: none; }

/* --- BRANCHEN 5 col → 4 + 1 (better proportions) --- */
.kbt-i-home-branchen { grid-template-columns: repeat(4, 1fr) !important; }
@media (max-width: 980px) { .kbt-i-home-branchen { grid-template-columns: repeat(2, 1fr) !important; } }
@media (max-width: 540px) { .kbt-i-home-branchen { grid-template-columns: 1fr !important; } }

/* --- CATALOG card padding: 12% → 7% (denser, less floaty) --- */
.kbt-i-prod-img img { padding: 7% !important; }
.kbt-i-cat-img img { padding: 0 !important; }

/* --- TRUST cards alignment fix --- */
.kbt-i-product-trust li { align-items: center; gap: 12px; }
.kbt-i-product-trust strong { line-height: 1.25; }
.kbt-i-product-trust span { line-height: 1.45; display: block; margin-top: 3px; }

/* --- LOGO ® registered mark: cleaner alignment --- */
.kbt-i-logo sup {
    font-size: 0.5em;
    font-weight: 400;
    color: var(--kbt-i-ink-soft);
    margin-left: 2px;
    vertical-align: top;
    position: relative;
    top: 0.2em;
}
[data-theme="dark"] .kbt-i-logo sup { color: rgba(255,255,255,0.5); }

/* --- MARQUEE: pause on hover, longer duration for less aggressive --- */
.kbt-i-marquee-track { animation-duration: 120s !important; }
.kbt-i-marquee:hover .kbt-i-marquee-track { animation-play-state: paused; }

/* --- HOVER state smoother --- */
.kbt-i-btn { transition: background-color 0.3s, color 0.3s, border-color 0.3s, transform 0.25s cubic-bezier(0.16,1,0.3,1), box-shadow 0.3s !important; }

/* --- KBT.011 final CTA — better padding mobile --- */
@media (max-width: 720px) {
    .kbt-i-section[style*="background: var(--kbt-i-accent)"] > .kbt-i-container > div { grid-template-columns: 1fr !important; }
}

/* --- LIVE blink dot more subtle --- */
.kbt-i-topbar .dot { animation: kbtIBlink 3s ease-in-out infinite; }

/* --- Hide ".kbt-i-anno" decorative annotation (dead code in HTML) --- */
.kbt-i-anno { display: none; }

/* --- Cu price "indikativ" indicator --- */
.kbt-i-cu::after {
    content: 'INDIK.';
    margin-left: 6px;
    font-size: 9px;
    color: rgba(255,237,0,0.55);
    letter-spacing: 0.1em;
    font-weight: 600;
}

/* --- Tighter card foot spacing across grids --- */
.kbt-i-cat, .kbt-i-prod, .kbt-i-team-card, .kbt-i-case, .kbt-i-dl-card, .kbt-i-sk-step { min-height: auto; }

/* --- Better focus visibility for accessibility --- */
body.kbt-i a:focus-visible,
body.kbt-i button:focus-visible,
body.kbt-i input:focus-visible,
body.kbt-i select:focus-visible,
body.kbt-i textarea:focus-visible {
    outline: 2px solid var(--kbt-i-accent);
    outline-offset: 3px;
    border-radius: 2px;
}

/* Skip link visible on focus */
.skip-link:focus {
    position: fixed; top: 12px; left: 12px;
    background: var(--kbt-i-ink); color: var(--kbt-i-accent);
    padding: 12px 20px;
    z-index: 999;
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ==========================================================================
   ITER 17 — Yellow-on-white contrast fix (WCAG AA)
   ========================================================================== */

/* Deepen accent for use as text-on-light. Pure #FFED00 only on dark backgrounds. */
:root {
    --kbt-i-accent:      #FFED00;
    --kbt-i-accent-deep: #6B5400;  /* darkened from #B89800 — now ratio 7.4 on white (AAA) */
    --kbt-i-accent-mid:  #8B6F00;  /* mid for highlight bg */
}
[data-theme="dark"] {
    --kbt-i-accent-deep: #FFED00;  /* on dark, full accent is fine */
}

/* Title highlight: solid yellow band with dark text on it (legible everywhere) */
.kbt-i-hero-title em,
.kbt-i-page-hero-title em,
body.kbt-i h1 em,
body.kbt-i h2 em {
    background: linear-gradient(180deg, transparent 55%, #FFED00 55%) !important;
    color: var(--kbt-i-ink, #0A0A0A) !important;
    -webkit-text-fill-color: var(--kbt-i-ink, #0A0A0A) !important;
    padding: 0 4px 2px !important;
    border-radius: 0 !important;
    -webkit-box-decoration-break: clone;
    box-decoration-break: clone;
}

/* Yellow accent text on light bg: use darkened version */
body.kbt-i {
    --link-on-light: var(--kbt-i-accent-deep);
}
body.kbt-i .kbt-i-overline,
body.kbt-i .kbt-i-product-pill--cert,
body.kbt-i .kbt-i-case-industry,
body.kbt-i .kbt-i-cat-foot span:last-child:hover,
body.kbt-i .kbt-i-dl-cta,
body.kbt-i .kbt-i-shead-num span,
body.kbt-i .kbt-cat .kbt-i-cat-code b,
body.kbt-i .kbt-i-spec-icon,
body.kbt-i .kbt-i-product-specs-head b,
body.kbt-i .kbt-i-panel-col h4,
body.kbt-i .kbt-i-tender-bar,
body.kbt-i .kbt-i-sk-num,
body.kbt-i .kbt-i-team-card .role,
body.kbt-i .kbt-i-dl-code,
body.kbt-i .kbt-i-case-code,
body.kbt-i .kbt-i-team-card-code,
body.kbt-i .kbt-i-job-code,
body.kbt-i .kbt-i-cat-foot span:last-child,
body.kbt-i .kbt-i-prod-foot .arrow,
body.kbt-i .kbt-i-dl-card .kbt-i-dl-cta,
body.kbt-i .kbt-i-tender-bar span {
    color: var(--kbt-i-accent-deep) !important;
}

/* Tags/badges with yellow tint on white: bump bg opacity for visibility */
body.kbt-i .kbt-i-product-pill--cert {
    background: #FFED00 !important;
    color: var(--kbt-i-ink) !important;
    border-color: var(--kbt-i-accent-deep) !important;
    font-weight: 800 !important;
}
[data-theme="dark"] body.kbt-i .kbt-i-product-pill--cert {
    background: rgba(255,237,0,0.18) !important;
    color: var(--kbt-i-accent) !important;
}

/* Dark sections: revert to bright accent */
body.kbt-i .kbt-i-section--dark .kbt-i-overline,
body.kbt-i .kbt-i-section--dark .kbt-i-shead-num b,
body.kbt-i .kbt-i-section--dark .kbt-i-code b,
body.kbt-i .kbt-i-strip-cell em,
body.kbt-i .kbt-i-footer-changelog,
body.kbt-i .kbt-i-topbar-coord b,
body.kbt-i .kbt-i-cu,
body.kbt-i .kbt-i-specimen-bar b,
body.kbt-i .kbt-i-specimen-foot h4,
body.kbt-i .kbt-i-product-viewer-bar b,
body.kbt-i .kbt-i-product-specs-head b {
    color: var(--kbt-i-accent) !important;
}

/* Hyperlinks (body text only, NOT buttons or cards) on light bg */
body.kbt-i .kbt-i-legal a,
body.kbt-i .entry-content a,
body.kbt-i .kbt-i-page-hero-sub a,
body.kbt-i .kbt-i-mani-text p a,
body.kbt-i .kbt-i-checkbox a {
    color: var(--kbt-i-accent-deep);
    text-decoration: underline;
    text-decoration-color: var(--kbt-i-accent);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}
body.kbt-i .kbt-i-legal a:hover,
body.kbt-i .entry-content a:hover { color: var(--kbt-i-ink); }

/* Buttons keep their own color rules — explicit reset to prevent inheritance issues */
body.kbt-i .kbt-i-btn { text-decoration: none !important; }
body.kbt-i .kbt-i-btn--primary { background: var(--kbt-i-ink) !important; color: var(--kbt-i-accent) !important; border-color: var(--kbt-i-ink) !important; }
body.kbt-i .kbt-i-btn--primary:hover { background: var(--kbt-i-accent) !important; color: var(--kbt-i-ink) !important; }
body.kbt-i .kbt-i-btn--accent { background: var(--kbt-i-accent) !important; color: var(--kbt-i-ink) !important; border-color: var(--kbt-i-accent) !important; }
body.kbt-i .kbt-i-btn--accent:hover { background: var(--kbt-i-ink) !important; color: var(--kbt-i-accent) !important; }
body.kbt-i .kbt-i-btn--ghost { background: transparent !important; color: var(--kbt-i-ink) !important; border-color: var(--kbt-i-line-2) !important; }
body.kbt-i .kbt-i-btn--ghost:hover { background: var(--kbt-i-ink) !important; color: var(--kbt-i-bg) !important; }

/* Form input focus: yellow ring on light bg → use deep yellow border + light bg-tint */
body.kbt-i .kbt-i-field input:focus,
body.kbt-i .kbt-i-field select:focus,
body.kbt-i .kbt-i-field textarea:focus {
    border-color: var(--kbt-i-ink) !important;
    box-shadow: 0 0 0 2px rgba(107,84,0,0.15) !important;
}

/* Eyebrow .kbt-i-hero-eyebrow on light pages: stronger color */
body.kbt-i .kbt-i-hero-eyebrow b { color: var(--kbt-i-ink); }
body.kbt-i .kbt-i-section:not(.kbt-i-section--dark):not(.kbt-i-page-hero--dark) .kbt-i-hero-eyebrow b,
body.kbt-i .kbt-i-section:not(.kbt-i-section--dark):not(.kbt-i-page-hero--dark) .kbt-i-overline {
    color: var(--kbt-i-ink) !important;
}

/* Cu price ticker: stays on dark topbar — keep bright yellow */
.kbt-i-cu { color: var(--kbt-i-accent) !important; }

/* "INDIK." label on Cu — bump opacity for readability */
.kbt-i-cu::after {
    color: rgba(255,237,0,0.85) !important;
    font-weight: 700 !important;
}

/* ==========================================================================
   ITER 11 — 4 priority fixes (chat z-index, breadcrumb mobile, hero mobile, button color)
   ========================================================================== */

/* N1 — Chat widget z-index/position fix: stay below sticky cart on product page */
body.kbt-i #clai-chatbot,
body.kbt-i .clai-chatbot {
    z-index: 85 !important;
}
/* On product page when sticky bar is visible, lift the chat above it but offset */
body.kbt-i .kbt-i-stickybar.is-visible ~ #clai-chatbot,
body.kbt-i:has(.kbt-i-stickybar.is-visible) #clai-chatbot {
    bottom: 84px !important;
    transition: bottom 0.3s ease-out;
}
@media (max-width: 720px) {
    body.kbt-i #clai-chatbot { bottom: 16px !important; right: 16px !important; }
    body.kbt-i:has(.kbt-i-stickybar.is-visible) #clai-chatbot { bottom: 120px !important; }
}

/* N2 — Mobile breadcrumb: hide intermediate levels, show only Start + current page */
@media (max-width: 720px) {
    .kbt-i-cbc {
        white-space: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
        padding: 10px 16px;
    }
    .kbt-i-cbc::-webkit-scrollbar { display: none; }
    .kbt-i-cbc b {
        display: inline-block;
        max-width: calc(100vw - 100px);
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        vertical-align: bottom;
    }
    /* Hide intermediate breadcrumb items, show only Start + last */
    .kbt-i-cbc a:not(:first-of-type),
    .kbt-i-cbc .sep:not(:nth-of-type(-n+2)) { display: none; }
    .kbt-i-cbc .sep:nth-of-type(-n+2) { display: inline; }
}

/* N4 — Mobile hero: bring specimen viewer ABOVE text in fold (visual impact first) */
@media (max-width: 880px) {
    .kbt-i-hero-grid {
        display: grid;
        grid-template-columns: 1fr;
    }
    .kbt-i-hero-left { order: 2; }
    .kbt-i-specimen {
        order: 1;
        aspect-ratio: 16/10 !important;
        margin-bottom: var(--kbt-i-3);
    }
}
@media (max-width: 880px) {
    .kbt-i-page-hero-grid {
        grid-template-columns: 1fr;
    }
    .kbt-i-page-hero-grid > :first-child { order: 2; }
    .kbt-i-page-hero-grid > :last-child { order: 1; margin-bottom: var(--kbt-i-3); }
    .kbt-i-page-hero-grid .kbt-i-specimen { aspect-ratio: 16/10 !important; }
}
/* Specimen viewer mobile: more compact internal layout */
@media (max-width: 720px) {
    .kbt-i-specimen-foot dl { grid-template-columns: repeat(3, 1fr); }
    .kbt-i-specimen-foot { padding: 10px 14px; }
    .kbt-i-specimen-foot h4 { font-size: 9px; }
    .kbt-i-specimen-foot dl { font-size: 10px; }
    .kbt-i-specimen-bar { font-size: 9px; padding: 8px 12px; }
}

/* N6 — Fix "CHAT STARTEN" yellow button on Kontakt page (brand color collision) */
/* Targeting buttons inside contact cards (legacy iter7 + new iter9) */
.kbt-i-contact-card .btn-primary,
body.kbt-i .contact-card .btn-primary,
body.kbt-i [class*="contact"] [class*="btn-primary"],
body.kbt-i .kbt-page-hero ~ section [class*="btn-primary"][onclick*="ai-advisor"],
body.kbt-i button[onclick*="kbt:open-ai-advisor"],
body.kbt-i a[onclick*="kbt:open-ai-advisor"] {
    background: var(--kbt-i-ink) !important;
    color: var(--kbt-i-accent) !important;
    border-color: var(--kbt-i-ink) !important;
}
body.kbt-i .kbt-i-contact-card .btn-primary:hover,
body.kbt-i button[onclick*="kbt:open-ai-advisor"]:hover,
body.kbt-i a[onclick*="kbt:open-ai-advisor"]:hover {
    background: var(--kbt-i-accent) !important;
    color: var(--kbt-i-ink) !important;
    border-color: var(--kbt-i-accent) !important;
}
/* Specifically, the "CHAT STARTEN" button on Kontakt page legacy iter7 markup */
body.kbt-i section[class*="kontakt"] .btn-primary,
body.kbt-i .contact-card-ai .btn-primary,
body.kbt-i .kbt-contact-card--ai .btn-primary {
    background: var(--kbt-i-ink) !important;
    color: var(--kbt-i-accent) !important;
    border: 1px solid var(--kbt-i-ink) !important;
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border-radius: 0 !important;
}

/* BONUS: Yellow "kbt-contact-card--ai" full card → dark instead of yellow on Kontakt */
body.kbt-i .kbt-contact-card--ai {
    background: var(--kbt-i-ink) !important;
    color: var(--kbt-i-bg) !important;
    border-color: var(--kbt-i-ink) !important;
}
body.kbt-i .kbt-contact-card--ai * { color: inherit !important; }
body.kbt-i .kbt-contact-card--ai .kbt-contact-card-icon { background: rgba(255,237,0,0.12) !important; color: var(--kbt-i-accent) !important; }

/* Mobile hero foto improvements: ensure foto loaded eagerly above text */
@media (max-width: 880px) {
    .kbt-i-hero .kbt-i-specimen img { width: 100%; height: 100%; }
    .kbt-i-hero-title { font-size: clamp(34px, 9vw, 56px) !important; }
}

/* ==========================================================================
   ITER 12 — Polish residui (N3 N10 N11 N12)
   ========================================================================== */

/* N3 — Code badge mobile: more breathing room from sticky breadcrumb */
@media (max-width: 720px) {
    .kbt-i-section { padding-top: var(--kbt-i-5); }
    .kbt-i-section .kbt-i-code {
        position: static;
        display: inline-flex;
        margin-bottom: var(--kbt-i-3);
        padding: 4px 0;
    }
    .kbt-i-section .kbt-i-code::after { display: none; }
    /* Corner crosshair marks: smaller on mobile, less intrusive */
    .kbt-i-section::before, .kbt-i-section::after { width: 8px; height: 8px; }
}

/* N10 — Title highlight: descender (j, p, g) doesn't get cut */
.kbt-i-hero-title em,
.kbt-i-page-hero-title em {
    display: inline-block;
    padding: 0 4px 4px;
    line-height: 1.05;
    background: linear-gradient(180deg, transparent 60%, rgba(255,237,0,0.45) 60%, rgba(255,237,0,0.45) 95%, transparent 95%);
}

/* N11 — Cookie footer link: ensure it's reachable when banner closed */
#cookie-settings-link {
    color: var(--kbt-i-accent);
    cursor: pointer;
    background: transparent !important;
    border: 0;
    text-decoration: underline;
    text-underline-offset: 3px;
    padding: 0;
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
}
#cookie-settings-link:hover { color: #fff; }

/* N12 — Branchen 4-col: ensure equal heights (title can wrap) */
.kbt-i-home-branchen { align-items: stretch; }
.kbt-i-home-branchen > div { display: flex; flex-direction: column; min-height: 200px; }
.kbt-i-home-branchen h3 { min-height: 2.4em; display: flex; align-items: flex-start; }
.kbt-i-home-branchen p { margin-top: auto !important; }

/* ==========================================================================
   ITER 13 — Cmd+K palette + scroll reveals + dark theme polish
   ========================================================================== */

/* --- CMD+K command palette (Linear-style) --- */
.kbt-cmdk {
    position: fixed; inset: 0; z-index: 99999;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: 12vh 16px 16px;
}
.kbt-cmdk.is-open { display: flex; animation: kbtCmdkIn 0.18s ease-out; }
@keyframes kbtCmdkIn { from { opacity: 0; } to { opacity: 1; } }
.kbt-cmdk-overlay {
    position: fixed; inset: 0;
    background: rgba(10,10,10,0.65);
    backdrop-filter: blur(8px) saturate(1.2);
    -webkit-backdrop-filter: blur(8px) saturate(1.2);
}
.kbt-cmdk-panel {
    position: relative;
    width: 100%; max-width: 640px;
    background: var(--kbt-i-bg);
    border: 1px solid var(--kbt-i-line-2);
    box-shadow: 0 32px 80px rgba(0,0,0,0.4);
    max-height: 70vh;
    display: flex; flex-direction: column;
    animation: kbtCmdkSlide 0.24s cubic-bezier(0.16,1,0.3,1);
}
[data-theme="dark"] .kbt-cmdk-panel { background: #14141A; }
@keyframes kbtCmdkSlide { from { transform: translateY(-12px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.kbt-cmdk-head {
    display: flex; align-items: center; gap: 12px;
    padding: 16px 18px;
    border-bottom: 1px solid var(--kbt-i-line);
}
.kbt-cmdk-prompt {
    font-family: var(--kbt-i-mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--kbt-i-accent-deep);
    text-transform: uppercase;
    flex-shrink: 0;
}
[data-theme="dark"] .kbt-cmdk-prompt { color: var(--kbt-i-accent); }
.kbt-cmdk-input {
    flex: 1;
    background: transparent;
    border: 0;
    outline: 0;
    font-family: var(--kbt-i-sans);
    font-size: 16px;
    color: var(--kbt-i-ink);
    padding: 4px 0;
}
.kbt-cmdk-input::placeholder { color: var(--kbt-i-ink-soft); }
.kbt-cmdk-esc {
    background: var(--kbt-i-bg-alt);
    border: 1px solid var(--kbt-i-line-2);
    color: var(--kbt-i-ink-soft);
    font-family: var(--kbt-i-mono);
    font-size: 10px;
    font-weight: 700;
    padding: 3px 7px;
    letter-spacing: 0.1em;
    border-radius: 3px;
}
.kbt-cmdk-results {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}
.kbt-cmdk-group-h {
    font-family: var(--kbt-i-mono);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--kbt-i-ink-soft);
    text-transform: uppercase;
    padding: 10px 18px 6px;
    border-top: 1px solid var(--kbt-i-line);
}
.kbt-cmdk-group-h:first-child { border-top: 0; }
.kbt-cmdk-row {
    display: grid;
    grid-template-columns: 32px 1fr 24px;
    align-items: center;
    gap: 12px;
    padding: 10px 18px;
    cursor: pointer;
    transition: background 0.12s;
}
.kbt-cmdk-row:hover, .kbt-cmdk-row.is-active {
    background: var(--kbt-i-bg-alt);
}
.kbt-cmdk-row.is-active { background: rgba(255,237,0,0.08); border-left: 2px solid var(--kbt-i-accent); padding-left: 16px; }
.kbt-cmdk-icon {
    width: 28px; height: 28px;
    display: flex; align-items: center; justify-content: center;
    background: var(--kbt-i-bg-alt);
    border: 1px solid var(--kbt-i-line);
    color: var(--kbt-i-ink);
    font-family: var(--kbt-i-mono);
    font-size: 13px;
    font-weight: 700;
}
.kbt-cmdk-row.is-active .kbt-cmdk-icon {
    background: var(--kbt-i-accent);
    border-color: var(--kbt-i-accent);
    color: var(--kbt-i-ink);
}
.kbt-cmdk-row-body { display: flex; flex-direction: column; min-width: 0; }
.kbt-cmdk-row-title {
    font-family: var(--kbt-i-sans);
    font-size: 14.5px;
    font-weight: 600;
    color: var(--kbt-i-ink);
    line-height: 1.3;
}
.kbt-cmdk-row-sub {
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    color: var(--kbt-i-ink-soft);
    margin-top: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.kbt-cmdk-arrow {
    color: var(--kbt-i-ink-soft);
    font-family: var(--kbt-i-mono);
    opacity: 0;
    transition: opacity 0.2s;
}
.kbt-cmdk-row:hover .kbt-cmdk-arrow,
.kbt-cmdk-row.is-active .kbt-cmdk-arrow { opacity: 1; }
.kbt-cmdk-empty {
    padding: 32px 22px;
    text-align: center;
    font-family: var(--kbt-i-mono);
    font-size: 13px;
    color: var(--kbt-i-ink-soft);
}
.kbt-cmdk-empty a { color: var(--kbt-i-accent-deep); }
.kbt-cmdk-foot {
    display: flex; gap: 16px;
    padding: 12px 18px;
    border-top: 1px solid var(--kbt-i-line);
    font-family: var(--kbt-i-mono);
    font-size: 10.5px;
    color: var(--kbt-i-ink-soft);
    letter-spacing: 0.04em;
    flex-wrap: wrap;
}
.kbt-cmdk-foot kbd {
    background: var(--kbt-i-bg-alt);
    border: 1px solid var(--kbt-i-line-2);
    color: var(--kbt-i-ink);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: inherit;
    font-size: 10px;
    margin-right: 4px;
}
@media (max-width: 540px) {
    .kbt-cmdk { padding-top: 8vh; }
    .kbt-cmdk-foot span:not(:last-child) { display: none; }
}

/* --- Scroll-driven reveal animations --- */
@media (prefers-reduced-motion: no-preference) {
    .kbt-i-section .kbt-i-shead,
    .kbt-i-cat, .kbt-i-prod, .kbt-i-team-card, .kbt-i-case,
    .kbt-i-dl-card, .kbt-i-sk-step, .kbt-i-job,
    .kbt-i-timeline-item {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
    }
    .kbt-i-section .kbt-i-shead.in-view,
    .kbt-i-cat.in-view, .kbt-i-prod.in-view, .kbt-i-team-card.in-view, .kbt-i-case.in-view,
    .kbt-i-dl-card.in-view, .kbt-i-sk-step.in-view, .kbt-i-job.in-view,
    .kbt-i-timeline-item.in-view { opacity: 1; transform: translateY(0); }
    .kbt-i-cat:nth-child(2).in-view { transition-delay: 0.08s; }
    .kbt-i-cat:nth-child(3).in-view { transition-delay: 0.16s; }
    .kbt-i-cat:nth-child(4).in-view { transition-delay: 0.24s; }
    .kbt-i-team-card:nth-child(2).in-view { transition-delay: 0.06s; }
    .kbt-i-team-card:nth-child(3).in-view { transition-delay: 0.12s; }
    .kbt-i-team-card:nth-child(4).in-view { transition-delay: 0.18s; }
}

/* --- Dark theme polish: ensure cards/borders/text contrast --- */
[data-theme="dark"] .kbt-i-cat,
[data-theme="dark"] .kbt-i-prod,
[data-theme="dark"] .kbt-i-team-card,
[data-theme="dark"] .kbt-i-dl-card,
[data-theme="dark"] .kbt-i-sk-step,
[data-theme="dark"] .kbt-i-case { background: var(--kbt-i-bg-alt); }
[data-theme="dark"] .kbt-i-cat:hover,
[data-theme="dark"] .kbt-i-prod:hover { background: #1A1A22; }
[data-theme="dark"] .kbt-i-strip { background: #000; }
[data-theme="dark"] .kbt-i-page-hero { background: var(--kbt-i-bg); }
[data-theme="dark"] .kbt-cmdk-overlay { background: rgba(0,0,0,0.7); }
[data-theme="dark"] .kbt-i-product-specs { border-color: rgba(255,255,255,0.1); }
[data-theme="dark"] .kbt-i-product-specs-head { background: rgba(255,237,0,0.06); }
[data-theme="dark"] .kbt-i-product-specs-head b { color: var(--kbt-i-accent); }
[data-theme="dark"] .kbt-i-product-specs dl > div { border-top-color: rgba(255,255,255,0.06); }
[data-theme="dark"] .kbt-i-stickybar { background: rgba(10,10,15,0.92); border-top-color: rgba(255,237,0,0.2); }
[data-theme="dark"] .kbt-i-mobile-drawer { background: var(--kbt-i-bg-alt); }
[data-theme="dark"] .kbt-i-mobile-drawer-head { border-bottom-color: rgba(255,255,255,0.08); }
[data-theme="dark"] .kbt-i-mobile-drawer ul li { border-bottom-color: rgba(255,255,255,0.08); }
[data-theme="dark"] .kbt-i-mobile-drawer ul a { color: var(--kbt-i-ink); }
[data-theme="dark"] .kbt-i-mobile-drawer ul a:hover { background: rgba(255,237,0,0.04); }

/* --- Search palette trigger hint in nav --- */
@media (min-width: 980px) {
    body.kbt-i .kbt-i-nav-tool#kbt-i-search-btn::after {
        content: '⌘K';
        margin-left: 6px;
        font-family: var(--kbt-i-mono);
        font-size: 9px;
        font-weight: 700;
        color: var(--kbt-i-ink-soft);
        letter-spacing: 0.04em;
        background: var(--kbt-i-bg-alt);
        border: 1px solid var(--kbt-i-line);
        padding: 1px 5px;
        border-radius: 3px;
        transition: opacity 0.2s;
    }
    body.kbt-i .kbt-i-nav-tool#kbt-i-search-btn { width: auto; padding: 6px 8px; gap: 4px; }
}

/* ==========================================================================
   ITER 13 Phase C — Form validation + Print stylesheet + empty states
   ========================================================================== */

/* --- Form real-time validation states --- */
.kbt-i-field-err {
    display: block;
    margin-top: 4px;
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    color: var(--kbt-i-spec, #C9302C);
    letter-spacing: 0.02em;
    min-height: 14px;
    line-height: 1.3;
}
.kbt-i-field.is-invalid input,
.kbt-i-field.is-invalid textarea,
.kbt-i-field.is-invalid select {
    border-color: var(--kbt-i-spec, #C9302C) !important;
    background: rgba(201,48,44,0.03) !important;
}
.kbt-i-field.is-valid input,
.kbt-i-field.is-valid textarea,
.kbt-i-field.is-valid select {
    border-color: var(--kbt-i-ok, #1F8D49) !important;
}
.kbt-i-field.is-valid::after {
    content: '✓';
    position: absolute;
    top: 30px; right: 12px;
    color: var(--kbt-i-ok, #1F8D49);
    font-family: var(--kbt-i-mono);
    font-weight: 700;
    pointer-events: none;
}
.kbt-i-field { position: relative; }
.kbt-i-charcount {
    display: block;
    margin-top: 4px;
    font-family: var(--kbt-i-mono);
    font-size: 10.5px;
    color: var(--kbt-i-ink-soft);
    letter-spacing: 0.04em;
    text-align: right;
}

/* Submit loading spinner */
.kbt-i-spinner {
    display: inline-block;
    width: 11px; height: 11px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: kbtSpin 0.7s linear infinite;
    margin-right: 4px;
    vertical-align: -1px;
}
@keyframes kbtSpin { to { transform: rotate(360deg); } }
button[disabled] .kbt-i-spinner { opacity: 0.8; }

/* --- Print stylesheet: clean datasheet --- */
@media print {
    /* Hide non-essential UI */
    .kbt-i-topbar, .kbt-i-nav, .kbt-i-cbc, .kbt-i-mobile-drawer, .kbt-i-mobile-drawer-overlay, .kbt-i-stickybar, #cookie-banner, .kbt-i-consent, .kbt-cmdk, #clai-chatbot, .clai-chatbot, .kbt-i-footer, footer { display: none !important; }
    body.kbt-i { background: #fff !important; color: #000 !important; font-family: 'Inter', system-ui, sans-serif; }
    .kbt-i-section { padding: 16px 0; border: 0; page-break-inside: avoid; }
    .kbt-i-section::before, .kbt-i-section::after { display: none; }
    .kbt-i-section--dark { background: #fff !important; color: #000 !important; }
    .kbt-i-section--dark * { color: #000 !important; }
    .kbt-i-code { position: static; color: #666 !important; font-size: 9pt; margin-bottom: 8mm; }
    .kbt-i-code b { color: #000 !important; }
    .kbt-i-page-hero-title, .kbt-i-hero-title, .kbt-i-product-title { font-size: 28pt; line-height: 1.05; color: #000; }
    .kbt-i-page-hero-title em, .kbt-i-hero-title em { background: none; color: #555; padding: 0; }
    .kbt-i-product-specs { border: 2px solid #000 !important; }
    .kbt-i-product-specs-head { background: #000 !important; color: #fff !important; padding: 8px 12px; }
    .kbt-i-product-specs dl > div { border-top: 1px solid #ccc !important; padding: 6px 12px; font-size: 10pt; }
    .kbt-i-product-trust { display: grid !important; grid-template-columns: repeat(4, 1fr) !important; gap: 4mm; border: 1px solid #ccc; padding: 4mm; }
    .kbt-i-product-trust li { background: #fff !important; padding: 4mm !important; }
    .kbt-i-product-viewer, .kbt-i-specimen { max-height: 80mm; }
    .kbt-i-product-viewer img, .kbt-i-specimen img { max-height: 70mm; object-fit: contain; }
    .kbt-i-product-viewer-bar, .kbt-i-specimen-bar { background: #000 !important; color: #fff !important; font-size: 8pt; }
    .kbt-i-product-viewer-foot, .kbt-i-specimen-foot { background: #f5f5f5 !important; color: #000 !important; }
    /* Print KBT footer */
    .kbt-i-section:last-of-type::after {
        content: 'kabeltronik® · Mühlweg 6 · 85095 Denkendorf · +49 8466 9404-0 · info@kabeltronik.de · ISO 9001:2015';
        display: block;
        font-size: 8pt;
        color: #666;
        padding-top: 8mm;
        border-top: 1px solid #ccc;
        margin-top: 8mm;
        text-align: center;
    }
    /* QR for digital twin */
    @page { margin: 18mm 14mm; }
    a[href]::after { content: ''; }
    .kbt-i-btn { display: none; }
    .kbt-i-tabs, .kbt-i-panel:not(.is-active) { display: none; }
}

/* --- 404 page accents --- */
@media (max-width: 720px) {
    .kbt-i-section[class*="404"] > div > div,
    .kbt-i-section .kbt-i-container > div[style*="grid-template-columns"] { grid-template-columns: 1fr !important; gap: 24px !important; }
}

/* ==========================================================================
   ITER 14 — SPLASH ENTRY: KBT.OS BOOT SEQUENCE
   ========================================================================== */
.kbt-i-splash {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: radial-gradient(ellipse at center, #1A1A1F 0%, #0A0A0A 70%);
    color: #ECECEC;
    font-family: var(--kbt-i-mono);
    display: grid;
    grid-template-rows: auto 1fr auto;
    overflow: hidden;
    cursor: pointer;
    isolation: isolate;
    transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), visibility 0.7s;
}
.kbt-i-splash.is-fade { opacity: 0; }
.kbt-i-splash.is-done { opacity: 0; visibility: hidden; pointer-events: none; }

/* Animated grid backdrop */
.kbt-i-splash-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,237,0,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,237,0,0.025) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
    z-index: 0;
    animation: kbtSplashGridPulse 4s ease-in-out infinite;
}
@keyframes kbtSplashGridPulse { 0%,100% { opacity: 0.6; } 50% { opacity: 1; } }

/* Scanning yellow line */
.kbt-i-splash-scan {
    position: absolute;
    left: 0; right: 0; top: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #FFED00 50%, transparent);
    box-shadow: 0 0 12px rgba(255,237,0,0.4), 0 0 32px rgba(255,237,0,0.2);
    z-index: 2;
    animation: kbtSplashScan 1.8s cubic-bezier(0.4,0,0.2,1) infinite;
}
@keyframes kbtSplashScan {
    0% { top: 0; opacity: 0; }
    10% { opacity: 1; }
    50% { top: calc(50% - 1px); }
    90% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

/* Top bar */
.kbt-i-splash-top {
    position: relative; z-index: 3;
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 32px;
    border-bottom: 1px solid rgba(255,237,0,0.12);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.7);
    animation: kbtSplashFadeIn 0.4s 0.1s both;
}
.kbt-i-splash-os { color: var(--kbt-i-accent); font-weight: 700; }
.kbt-i-splash-ts { display: inline-flex; align-items: center; gap: 8px; }
.kbt-i-splash-ts .dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: #1F8D49;
    box-shadow: 0 0 8px #1F8D49;
    animation: kbtIBlink 1.8s ease-in-out infinite;
}

/* Bottom bar */
.kbt-i-splash-bottom {
    position: relative; z-index: 3;
    display: flex; justify-content: space-between; align-items: center;
    padding: 18px 32px;
    border-top: 1px solid rgba(255,237,0,0.12);
    font-size: 10.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.55);
    animation: kbtSplashFadeIn 0.5s 0.3s both;
}
.kbt-i-splash-bottom b { color: var(--kbt-i-accent); font-weight: 700; }
.kbt-i-splash-bottom #kbt-splash-count {
    color: #fff; font-weight: 700;
    font-variant-numeric: tabular-nums;
}

/* STAGE — center content */
.kbt-i-splash-stage {
    position: relative; z-index: 3;
    display: grid;
    place-items: center;
    text-align: center;
    padding: 32px 24px;
    gap: 18px;
}

.kbt-i-splash-coord {
    display: flex; flex-direction: column; gap: 4px;
    font-size: 10.5px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    animation: kbtSplashFadeIn 0.5s 0.4s both;
}
.kbt-i-splash-label { color: rgba(255,255,255,0.5); }
.kbt-i-splash-coord-val {
    color: var(--kbt-i-accent);
    font-weight: 700;
    font-size: 12px;
}

/* The K monogram with corner crosshairs + rings */
.kbt-i-splash-mark {
    position: relative;
    width: 240px; height: 240px;
    animation: kbtSplashMarkIn 0.9s 0.2s cubic-bezier(0.16,1,0.3,1) both;
}
.kbt-i-splash-mark svg { width: 100%; height: 100%; }
.kbt-i-splash-mark-tag {
    position: absolute;
    font-size: 9px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--kbt-i-accent);
    background: rgba(255,237,0,0.06);
    border: 1px solid rgba(255,237,0,0.25);
    padding: 3px 8px;
    backdrop-filter: blur(4px);
}
.kbt-i-splash-mark-tag--tl { top: -8px; left: -20px; }
.kbt-i-splash-mark-tag--br { bottom: -8px; right: -20px; }
@keyframes kbtSplashMarkIn {
    from { opacity: 0; transform: scale(0.92); }
    to { opacity: 1; transform: scale(1); }
}
.kbt-i-splash-ring-1 { transform-origin: 120px 120px; animation: kbtSplashRing 2.5s ease-in-out infinite; }
.kbt-i-splash-ring-2 { transform-origin: 120px 120px; animation: kbtSplashRing 2.5s ease-in-out 0.4s infinite reverse; }
@keyframes kbtSplashRing { 0%,100% { transform: scale(1); opacity: 0.3; } 50% { transform: scale(1.04); opacity: 0.7; } }

.kbt-i-splash-k { animation: kbtSplashLetterIn 0.7s 0.5s cubic-bezier(0.16,1,0.3,1) both; transform-origin: 120px 156px; }
@keyframes kbtSplashLetterIn {
    from { opacity: 0; transform: translateY(20px) scale(0.9); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.kbt-i-splash-brand {
    font-family: var(--kbt-i-display);
    font-size: clamp(36px, 5vw, 58px);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1;
    margin: 8px 0 0;
    color: #fff;
    animation: kbtSplashFadeUp 0.5s 0.55s both;
}
.kbt-i-splash-brand sup {
    font-size: 0.32em;
    color: var(--kbt-i-accent);
    margin-left: 2px;
    vertical-align: top;
    position: relative;
    top: 0.4em;
    font-weight: 600;
}
.kbt-i-splash-tag {
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    color: rgba(255,255,255,0.65);
    text-transform: uppercase;
    margin: 0;
    animation: kbtSplashFadeUp 0.5s 0.7s both;
}

/* Log lines */
.kbt-i-splash-log {
    display: flex; flex-direction: column; gap: 4px;
    margin: 24px auto 0;
    font-size: 10.5px;
    color: rgba(255,255,255,0.4);
    letter-spacing: 0.04em;
    text-align: left;
    min-height: 90px;
    width: min(380px, 90vw);
}
.kbt-i-splash-log span {
    opacity: 0;
    transform: translateX(-8px);
    transition: opacity 0.3s, transform 0.3s, color 0.3s;
}
.kbt-i-splash-log span.is-visible { opacity: 1; transform: translateX(0); color: rgba(255,255,255,0.75); }
.kbt-i-splash-log span.is-visible::first-letter,
.kbt-i-splash-log span[data-l] {}
.kbt-i-splash-log span.is-visible:first-letter { color: var(--kbt-i-accent); }

/* Progress bar */
.kbt-i-splash-bar {
    width: min(420px, 90vw);
    height: 2px;
    background: rgba(255,237,0,0.08);
    overflow: hidden;
    margin-top: 18px;
}
.kbt-i-splash-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--kbt-i-accent), #FFD700);
    width: 0;
    animation: kbtSplashBar 2.6s 0.2s cubic-bezier(0.4,0,0.2,1) forwards;
    box-shadow: 0 0 10px rgba(255,237,0,0.4);
}
@keyframes kbtSplashBar { to { width: 100%; } }

@keyframes kbtSplashFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes kbtSplashFadeUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Click-to-skip cursor hint */
.kbt-i-splash::after {
    content: '⌘ CLICK TO SKIP';
    position: absolute;
    bottom: 70px; left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    font-family: var(--kbt-i-mono);
    font-size: 9.5px;
    letter-spacing: 0.18em;
    color: rgba(255,255,255,0.35);
    pointer-events: none;
    animation: kbtSplashHint 2s 1.2s ease-in-out infinite;
}
@keyframes kbtSplashHint { 0%,100% { opacity: 0.5; } 50% { opacity: 1; } }

/* Mobile splash adjustments */
@media (max-width: 720px) {
    .kbt-i-splash-top { padding: 14px 20px; }
    .kbt-i-splash-top .kbt-i-splash-ts { font-size: 10px; }
    .kbt-i-splash-bottom { padding: 14px 20px; font-size: 9.5px; }
    .kbt-i-splash-bottom span:first-child { display: none; }
    .kbt-i-splash-mark { width: 180px; height: 180px; }
    .kbt-i-splash-brand { font-size: 40px; }
    .kbt-i-splash-log { min-height: 70px; }
}

/* Hide legacy header/footer when instrument mode active */
body.kbt-i > .site-header,
body.kbt-i .site-footer,
body.kbt-i .kbt-splash { display: none !important; }

/* Hide all legacy hero/section/page templates from earlier iters so they don't conflict */
body.kbt-i .hero,
body.kbt-i .kbt-page-hero,
body.kbt-i .kbt-shop-hero,
body.kbt-i .kbt-product-2026 .kbt-product-breadcrumb,
body.kbt-i .kbt-product-2026 > .container,
body.kbt-i .kbt-shop-body,
body.kbt-i .kbt-kontakt-body,
body.kbt-i .kbt-about-manifesto,
body.kbt-i .kbt-about-values,
body.kbt-i .kbt-about-timeline,
body.kbt-i .kbt-about-production,
body.kbt-i .kbt-about-team,
body.kbt-i .kbt-about-trust,
body.kbt-i .kbt-ref-cases,
body.kbt-i .kbt-ref-clients,
body.kbt-i .kbt-ref-quote,
body.kbt-i .kbt-jobs-benefits,
body.kbt-i .kbt-jobs-positions,
body.kbt-i .kbt-jobs-howto,
body.kbt-i .kbt-downloads-body,
body.kbt-i .kbt-sk-process,
body.kbt-i .kbt-sk-form-section,
body.kbt-i .kbt-pdp-related,
body.kbt-i .kbt-pdp-cta-final,
body.kbt-i .kbt-pdp-stickybar { display: none !important; }

/* Hide cookie banner customization — leave native */

/* Cursor instrument-style on dark sections */
body.kbt-i .kbt-i-section--dark a, body.kbt-i .kbt-i-section--dark .kbt-i-btn { cursor: pointer; }


/* 2026-06-09: calmer B2B homepage refinements */
body.kbt-i .kbt-i-code {
    opacity: 0.68;
}
body.kbt-i .kbt-i-home-branchen {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}
body.kbt-i .kbt-i-proof-grid {
    display: grid;
    grid-template-columns: 1.25fr 1fr 1fr 1fr;
    gap: 1px;
    background: var(--kbt-i-line);
    border: 1px solid var(--kbt-i-line);
}
body.kbt-i .kbt-i-proof-card {
    background: var(--kbt-i-bg-alt);
    padding: 32px 24px;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
body.kbt-i .kbt-i-proof-card span {
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--kbt-i-accent-deep);
}
body.kbt-i .kbt-i-proof-card h3 {
    margin: 34px 0 12px;
    font-family: var(--kbt-i-display);
    font-size: clamp(22px, 2vw, 34px);
    line-height: 1.04;
    letter-spacing: -0.025em;
}
body.kbt-i .kbt-i-proof-card p {
    margin: 0;
    color: var(--kbt-i-ink-soft);
    font-size: 14px;
    line-height: 1.55;
}
body.kbt-i .kbt-i-proof-card:first-child {
    background: var(--kbt-i-ink);
    color: var(--kbt-i-accent);
}
body.kbt-i .kbt-i-proof-card:first-child p { color: rgba(255,255,255,0.72); }
body.kbt-i .kbt-i-proof-card:first-child span { color: var(--kbt-i-accent); }
@media (max-width: 980px) {
    body.kbt-i .kbt-i-home-branchen,
    body.kbt-i .kbt-i-proof-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
@media (max-width: 640px) {
    body.kbt-i .kbt-i-home-branchen,
    body.kbt-i .kbt-i-proof-grid {
        grid-template-columns: 1fr;
    }
    body.kbt-i .kbt-i-proof-card { min-height: auto; padding: 24px 20px; }
}

/* 2026-06-09: visual polish pass - stronger B2B homepage, calmer UI */
body.kbt-i .kbt-i-section {
    padding: clamp(72px, 8vw, 116px) 0;
}
body.kbt-i .kbt-i-code {
    opacity: 0.58;
}
body.kbt-i .kbt-i-code::after {
    width: 48px;
}
body.kbt-i .kbt-i-hero {
    padding-top: clamp(76px, 8vw, 124px);
}
body.kbt-i .kbt-i-hero-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
    gap: clamp(44px, 6vw, 92px);
}
body.kbt-i .kbt-i-hero-title {
    max-width: 9.8ch;
}
body.kbt-i .kbt-i-hero-sub {
    max-width: 58ch;
}
body.kbt-i .kbt-i-hero-actions {
    align-items: center;
}
body.kbt-i .kbt-i-hero-badges {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--kbt-i-4);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
body.kbt-i .kbt-i-hero-badges li {
    border: 1px solid var(--kbt-i-line-2);
    background: color-mix(in srgb, var(--kbt-i-bg) 72%, var(--kbt-i-bg-alt));
    padding: 7px 10px;
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--kbt-i-ink-soft);
}
body.kbt-i .kbt-i-specimen {
    min-height: 620px;
    box-shadow: 0 24px 70px rgba(10,10,10,0.10);
}
body.kbt-i .kbt-i-specimen-img img {
    object-position: center;
}
body.kbt-i .kbt-i-specimen-bar,
body.kbt-i .kbt-i-specimen-foot {
    background: rgba(10,10,10,0.74);
}
body.kbt-i .kbt-i-quick {
    background: var(--kbt-i-bg-alt);
    border-bottom: 1px solid var(--kbt-i-line);
    padding: 34px 0;
}
body.kbt-i .kbt-i-quick .kbt-i-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 1px;
    align-items: stretch;
}
body.kbt-i .kbt-i-quick-head {
    background: var(--kbt-i-ink);
    color: var(--kbt-i-bg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 164px;
}
body.kbt-i .kbt-i-quick-head span,
body.kbt-i .kbt-i-quick-card span {
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
body.kbt-i .kbt-i-quick-head span {
    color: var(--kbt-i-accent);
}
body.kbt-i .kbt-i-quick-head h2 {
    margin: 28px 0 0;
    font-family: var(--kbt-i-display);
    font-size: clamp(24px, 2.3vw, 34px);
    line-height: 1.08;
    letter-spacing: -0.02em;
    color: var(--kbt-i-bg);
}
body.kbt-i .kbt-i-quick-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1px;
    background: var(--kbt-i-line);
    border: 1px solid var(--kbt-i-line);
    border-left: 0;
}
body.kbt-i .kbt-i-quick-card {
    background: var(--kbt-i-bg);
    color: var(--kbt-i-ink);
    text-decoration: none;
    padding: 22px 18px;
    min-height: 164px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: background 0.22s cubic-bezier(0.16,1,0.3,1), transform 0.22s cubic-bezier(0.16,1,0.3,1);
}
body.kbt-i .kbt-i-quick-card:hover {
    background: var(--kbt-i-accent);
    transform: translateY(-2px);
}
body.kbt-i .kbt-i-quick-card:active,
body.kbt-i .kbt-i-btn:active {
    transform: translateY(1px);
}
body.kbt-i .kbt-i-quick-card span {
    color: var(--kbt-i-accent-deep);
}
body.kbt-i .kbt-i-quick-card:hover span {
    color: rgba(10,10,10,0.58);
}
body.kbt-i .kbt-i-quick-card strong {
    display: block;
    font-family: var(--kbt-i-display);
    font-size: 18px;
    line-height: 1.15;
    letter-spacing: -0.015em;
}
body.kbt-i .kbt-i-quick-card small {
    display: block;
    font-family: var(--kbt-i-mono);
    font-size: 11px;
    line-height: 1.4;
    color: var(--kbt-i-ink-soft);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
body.kbt-i .kbt-i-quick-card:hover small {
    color: rgba(10,10,10,0.68);
}
body.kbt-i .kbt-i-cat-grid {
    grid-template-columns: 1.18fr 1fr 1fr 0.92fr;
}
body.kbt-i .kbt-i-cat {
    min-height: 348px;
}
body.kbt-i .kbt-i-cat:hover {
    transform: translateY(-2px);
}
body.kbt-i .kbt-i-cat-img {
    height: 158px;
}
body.kbt-i .kbt-i-shead {
    border-top-width: 1px;
}
body.kbt-i .kbt-i-shead-num {
    min-width: 250px;
}
body.kbt-i .kbt-i-section--dark .kbt-i-shead-num,
body.kbt-i .kbt-i-section--dark .kbt-i-shead h2 {
    color: rgba(255,255,255,0.92);
}
@media (max-width: 1100px) {
    body.kbt-i .kbt-i-hero-grid {
        grid-template-columns: 1fr;
    }
    body.kbt-i .kbt-i-specimen {
        min-height: auto;
        max-height: 760px;
    }
    body.kbt-i .kbt-i-quick .kbt-i-container {
        grid-template-columns: 1fr;
    }
    body.kbt-i .kbt-i-quick-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        border-left: 1px solid var(--kbt-i-line);
    }
    body.kbt-i .kbt-i-cat-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
@media (max-width: 640px) {
    body.kbt-i {
        --kbt-i-page-pad: 18px;
    }
    body.kbt-i .kbt-i-section {
        padding: 58px 0;
    }
    body.kbt-i .kbt-i-code {
        position: static;
        padding: 0 var(--kbt-i-page-pad) 18px;
    }
    body.kbt-i .kbt-i-code::after {
        display: none;
    }
    body.kbt-i .kbt-i-hero {
        padding-top: 42px;
    }
    body.kbt-i .kbt-i-hero-title {
        max-width: 100%;
        font-size: clamp(42px, 14vw, 58px);
    }
    body.kbt-i .kbt-i-hero-actions,
    body.kbt-i .kbt-i-hero-actions .kbt-i-btn {
        width: 100%;
    }
    body.kbt-i .kbt-i-hero-actions .kbt-i-btn {
        justify-content: center;
    }
    body.kbt-i .kbt-i-hero-badges {
        margin-bottom: var(--kbt-i-3);
    }
    body.kbt-i .kbt-i-hero-meta {
        grid-template-columns: 1fr;
    }
    body.kbt-i .kbt-i-quick-grid,
    body.kbt-i .kbt-i-cat-grid {
        grid-template-columns: 1fr;
    }
    body.kbt-i .kbt-i-quick-card,
    body.kbt-i .kbt-i-quick-head {
        min-height: auto;
    }
    body.kbt-i .kbt-i-shead-num {
        min-width: 0;
        border-right: 0;
        padding-right: 0;
    }
}

/* 2026-06-10: hero contrast + full highlight fix
   Prevent saved dark-mode state from turning light content blocks black, and
   make hero emphasis readable as a full label instead of a half-height stripe. */
body.kbt-i .kbt-i-hero-title em,
body.kbt-i .kbt-i-page-hero-title em,
body.kbt-i h1 em,
body.kbt-i h2 em {
    display: inline;
    background: #FFED00 !important;
    color: #0A0A0A !important;
    -webkit-text-fill-color: #0A0A0A !important;
    padding: 0 0.08em 0.04em !important;
    line-height: inherit;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}

body.kbt-i .kbt-i-page-hero--dark {
    background: #0A0A0A !important;
    color: #FAFAF7 !important;
}

body.kbt-i .kbt-i-page-hero--dark .kbt-i-page-hero-title,
body.kbt-i .kbt-i-page-hero--dark .kbt-i-code,
body.kbt-i .kbt-i-page-hero--dark .kbt-i-hero-eyebrow {
    color: #FAFAF7 !important;
    -webkit-text-fill-color: #FAFAF7 !important;
}

body.kbt-i .kbt-i-page-hero--dark .kbt-i-page-hero-sub {
    color: rgba(250,250,247,0.72) !important;
}

body.kbt-i .kbt-i-page-hero--dark .kbt-i-code b,
body.kbt-i .kbt-i-page-hero--dark .kbt-i-hero-eyebrow b {
    color: #FFED00 !important;
    -webkit-text-fill-color: #FFED00 !important;
}

[data-theme="dark"] body.kbt-i .kbt-i-page-hero:not(.kbt-i-page-hero--dark),
[data-theme="dark"] body.kbt-i .kbt-i-section:not(.kbt-i-section--dark):not(.kbt-i-page-hero--dark) {
    background: #FAFAF7 !important;
    color: #0A0A0A !important;
}

[data-theme="dark"] body.kbt-i .kbt-i-page-hero:not(.kbt-i-page-hero--dark) .kbt-i-page-hero-title,
[data-theme="dark"] body.kbt-i .kbt-i-section:not(.kbt-i-section--dark):not(.kbt-i-page-hero--dark) .kbt-i-shead h2,
[data-theme="dark"] body.kbt-i .kbt-i-section:not(.kbt-i-section--dark):not(.kbt-i-page-hero--dark) h3 {
    color: #0A0A0A !important;
    -webkit-text-fill-color: #0A0A0A !important;
}

[data-theme="dark"] body.kbt-i .kbt-i-section:not(.kbt-i-section--dark):not(.kbt-i-page-hero--dark) .kbt-i-page-hero-sub,
[data-theme="dark"] body.kbt-i .kbt-i-section:not(.kbt-i-section--dark):not(.kbt-i-page-hero--dark) p,
[data-theme="dark"] body.kbt-i .kbt-i-section:not(.kbt-i-section--dark):not(.kbt-i-page-hero--dark) .kbt-i-dl-foot {
    color: #5B5B5B !important;
    -webkit-text-fill-color: #5B5B5B !important;
}

[data-theme="dark"] body.kbt-i .kbt-i-dl,
[data-theme="dark"] body.kbt-i .kbt-i-awg th,
[data-theme="dark"] body.kbt-i .kbt-i-awg td {
    border-color: rgba(10,10,10,0.10) !important;
}

[data-theme="dark"] body.kbt-i .kbt-i-dl {
    background: rgba(10,10,10,0.10) !important;
}

[data-theme="dark"] body.kbt-i .kbt-i-dl-card:not(.kbt-i-dl-card--accent) {
    background: #FFFFFF !important;
    color: #0A0A0A !important;
}

[data-theme="dark"] body.kbt-i .kbt-i-dl-card:not(.kbt-i-dl-card--accent):hover {
    background: #F0F0EC !important;
}


/* 2026-06-10: CodLab footer signature */
.kbt-i-footer-codlab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-left: 0 !important;
    color: rgba(255,255,255,0.48);
    text-decoration: none;
}
.kbt-i-footer-codlab span {
    font-family: var(--kbt-i-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.42);
}
.kbt-i-footer-codlab img {
    display: block;
    width: auto;
    height: 18px;
    opacity: 0.82;
    transition: opacity 0.2s;
}
.kbt-i-footer-codlab:hover img { opacity: 1; }
.kbt-i-footer-codlab:hover span { color: rgba(255,255,255,0.68); }
.kbt-i-footer-changelog > span {
    display: inline-flex;
    align-items: center;
}
 (max-width: 720px) {
    .kbt-i-footer-bottom { align-items: flex-start; }
    .kbt-i-footer-changelog {
        width: 100%;
        flex-wrap: wrap;
        gap: 10px 14px;
    }
}