/* Zureki · Layout 94 · Depth Scroll Experience */
:root {
    --zk-bg-deep: #080a0f;
    --zk-bg-mid: #0f1319;
    --zk-bg-layer: #161c26;
    --zk-bg-card: #1a2230;
    --zk-ice: #7eb8d4;
    --zk-ice-dim: rgba(126, 184, 212, 0.15);
    --zk-bronze: #c4a574;
    --zk-text: #e4e8ef;
    --zk-text-muted: #7a8499;
    --zk-border: rgba(126, 184, 212, 0.12);
    --zk-glow: 0 0 60px rgba(126, 184, 212, 0.08);
    --zk-shadow-layer: 0 24px 80px rgba(0, 0, 0, 0.5), 0 8px 24px rgba(0, 0, 0, 0.3);
    --zk-font-serif: 'Cormorant Garamond', Georgia, serif;
    --zk-font-sans: 'Outfit', system-ui, sans-serif;
    --zk-font-mono: 'IBM Plex Mono', monospace;
    --zk-nav-w: 280px;
    --zk-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body.zk-body {
    font-family: var(--zk-font-sans);
    background: var(--zk-bg-deep);
    color: var(--zk-text);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--zk-ice); text-decoration: none; transition: color 0.25s; }
a:hover { color: var(--zk-bronze); }
.zk-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.zk-skip { position: absolute; top: -100px; left: 0; background: var(--zk-ice); color: var(--zk-bg-deep); padding: 0.5rem 1rem; z-index: 9999; }
.zk-skip:focus { top: 0; }
.zk-wrap { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.zk-micro { font-family: var(--zk-font-mono); font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--zk-ice); opacity: 0.8; }

/* Buttons */
.zk-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
    font-family: var(--zk-font-mono); font-size: 0.78rem; letter-spacing: 0.08em;
    padding: 0.85rem 1.6rem; border: 1px solid transparent; border-radius: 2px;
    cursor: pointer; transition: all 0.3s var(--zk-ease); text-transform: uppercase;
}
.zk-btn--ice { background: var(--zk-ice); color: var(--zk-bg-deep); }
.zk-btn--ice:hover { background: #9ecee4; color: var(--zk-bg-deep); transform: translateY(-2px); box-shadow: var(--zk-glow); }
.zk-btn--ghost { background: transparent; border-color: var(--zk-border); color: var(--zk-text); }
.zk-btn--ghost:hover { border-color: var(--zk-ice); color: var(--zk-ice); }
.zk-btn--outline { background: transparent; border-color: var(--zk-ice); color: var(--zk-ice); }
.zk-btn--sm { padding: 0.55rem 1rem; font-size: 0.7rem; }
.zk-btn--lg { padding: 1rem 2rem; font-size: 0.82rem; }

/* Spine — left instrument panel */
.zk-spine {
    position: fixed; top: 0; left: 0; bottom: 0; width: var(--zk-nav-w);
    z-index: 1000; display: flex;
    background: linear-gradient(135deg, rgba(12, 16, 24, 0.98) 0%, rgba(8, 10, 15, 0.99) 100%);
    border-right: 1px solid var(--zk-border);
    box-shadow: 8px 0 40px rgba(0, 0, 0, 0.35);
}
.zk-spine__panel {
    flex: 1; display: flex; flex-direction: column;
    padding: 1.6rem 1.4rem 1.4rem;
    min-width: 0;
}
.zk-spine__crest { margin-bottom: 2rem; padding-bottom: 1.4rem; border-bottom: 1px solid var(--zk-border); }
.zk-spine__brand {
    display: flex; align-items: center; gap: 0.9rem;
    color: var(--zk-text); margin-bottom: 0.7rem;
}
.zk-spine__brand:hover { color: var(--zk-text); }
.zk-spine__seal {
    position: relative; width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.zk-spine__seal-ring {
    position: absolute; inset: 0; border-radius: 50%;
    border: 1px solid rgba(126, 184, 212, 0.35);
    box-shadow: inset 0 0 20px rgba(126, 184, 212, 0.08), 0 0 24px rgba(126, 184, 212, 0.06);
    animation: zkSealPulse 4s ease-in-out infinite;
}
.zk-spine__seal-ring::after {
    content: ''; position: absolute; inset: 5px; border-radius: 50%;
    border: 1px dashed rgba(126, 184, 212, 0.2);
}
@keyframes zkSealPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.04); opacity: 0.85; }
}
.zk-spine__seal-core {
    position: relative; font-family: var(--zk-font-serif);
    font-size: 1.35rem; color: var(--zk-ice); z-index: 1;
}
.zk-spine__identity strong {
    display: block; font-family: var(--zk-font-serif);
    font-size: 1.35rem; letter-spacing: 0.02em; line-height: 1.1;
}
.zk-spine__identity span {
    display: block; font-family: var(--zk-font-mono);
    font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--zk-ice); margin-top: 0.15rem;
}
.zk-spine__identity small {
    display: block; font-family: var(--zk-font-mono);
    font-size: 0.58rem; color: var(--zk-text-muted); margin-top: 0.2rem;
}
.zk-spine__domain {
    display: inline-block; font-family: var(--zk-font-mono);
    font-size: 0.58rem; letter-spacing: 0.12em; color: var(--zk-text-muted);
    padding: 0.25rem 0.55rem; border: 1px solid var(--zk-border); border-radius: 2px;
}

.zk-spine__nav { flex: 1; display: flex; flex-direction: column; gap: 0.35rem; }
.zk-spine__nav-label {
    font-family: var(--zk-font-mono); font-size: 0.58rem;
    letter-spacing: 0.2em; text-transform: uppercase;
    color: var(--zk-text-muted); margin-bottom: 0.6rem;
}
.zk-spine__link {
    display: grid; grid-template-columns: 32px 1fr 16px; align-items: center; gap: 0.6rem;
    padding: 0.75rem 0.85rem; border-radius: 3px;
    border: 1px solid transparent; color: var(--zk-text-muted);
    transition: all 0.28s var(--zk-ease); position: relative; overflow: hidden;
}
.zk-spine__link::before {
    content: ''; position: absolute; left: 0; top: 15%; bottom: 15%;
    width: 2px; background: var(--zk-ice); opacity: 0;
    transition: opacity 0.25s;
}
.zk-spine__link:hover {
    color: var(--zk-text); background: rgba(126, 184, 212, 0.06);
    border-color: var(--zk-border); transform: translateX(3px);
}
.zk-spine__link.is-active {
    color: var(--zk-text); background: var(--zk-ice-dim);
    border-color: rgba(126, 184, 212, 0.25);
    box-shadow: inset 0 0 30px rgba(126, 184, 212, 0.04);
}
.zk-spine__link.is-active::before { opacity: 1; }
.zk-spine__link-num {
    font-family: var(--zk-font-mono); font-size: 0.62rem;
    color: var(--zk-ice); opacity: 0.7;
}
.zk-spine__link.is-active .zk-spine__link-num { opacity: 1; }
.zk-spine__link-text { font-size: 0.88rem; font-weight: 500; letter-spacing: 0.02em; }
.zk-spine__link-arrow { opacity: 0; transform: translateX(-4px); transition: 0.25s; color: var(--zk-ice); }
.zk-spine__link:hover .zk-spine__link-arrow,
.zk-spine__link.is-active .zk-spine__link-arrow { opacity: 1; transform: translateX(0); }

.zk-spine__cta {
    display: flex; flex-direction: column; gap: 0.15rem;
    margin: 1.4rem 0; padding: 1rem 1.1rem;
    background: linear-gradient(145deg, rgba(126, 184, 212, 0.14) 0%, rgba(126, 184, 212, 0.04) 100%);
    border: 1px solid rgba(126, 184, 212, 0.22); border-radius: 4px;
    color: var(--zk-text); position: relative; overflow: hidden;
    transition: 0.3s var(--zk-ease);
}
.zk-spine__cta::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(120deg, transparent 40%, rgba(126, 184, 212, 0.08) 50%, transparent 60%);
    transform: translateX(-100%); transition: transform 0.6s;
}
.zk-spine__cta:hover { border-color: var(--zk-ice); transform: translateY(-2px); box-shadow: var(--zk-glow); color: var(--zk-text); }
.zk-spine__cta:hover::after { transform: translateX(100%); }
.zk-spine__cta-label { font-family: var(--zk-font-mono); font-size: 0.58rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--zk-ice); }
.zk-spine__cta-title { font-family: var(--zk-font-serif); font-size: 1.05rem; line-height: 1.3; }
.zk-spine__cta svg { position: absolute; right: 1rem; top: 50%; transform: translateY(-50%); color: var(--zk-ice); }

.zk-spine__dock { margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--zk-border); }
.zk-spine__tools {
    display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; margin-bottom: 0.9rem;
}
.zk-spine__tool {
    display: flex; flex-direction: column; align-items: center; gap: 0.25rem;
    padding: 0.65rem 0.4rem; background: var(--zk-bg-card);
    border: 1px solid var(--zk-border); border-radius: 3px;
    color: var(--zk-text-muted); cursor: pointer; font-family: var(--zk-font-mono);
    font-size: 0.58rem; letter-spacing: 0.08em; transition: 0.25s;
    position: relative; text-decoration: none;
}
.zk-spine__tool:hover { color: var(--zk-ice); border-color: rgba(126, 184, 212, 0.3); background: var(--zk-ice-dim); }
.zk-spine__badge {
    position: absolute; top: 6px; right: 8px;
    background: var(--zk-ice); color: var(--zk-bg-deep);
    font-style: normal; font-size: 0.52rem; min-width: 15px; height: 15px;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-family: var(--zk-font-mono);
}
.zk-spine__contact {
    display: flex; flex-direction: column; gap: 0.25rem;
    font-family: var(--zk-font-mono); font-size: 0.62rem;
}
.zk-spine__contact a { color: var(--zk-text-muted); font-size: 0.68rem; }
.zk-spine__contact a:hover { color: var(--zk-ice); }
.zk-spine__contact span { color: var(--zk-text-muted); opacity: 0.75; font-size: 0.58rem; }

/* Depth ruler — right edge of spine */
.zk-spine__ruler {
    width: 36px; flex-shrink: 0;
    border-left: 1px solid var(--zk-border);
    background: rgba(6, 8, 12, 0.6);
    display: flex; flex-direction: column; align-items: center;
    padding: 1.2rem 0; position: relative;
}
.zk-spine__ruler-top, .zk-spine__ruler-mid, .zk-spine__ruler-bot {
    font-family: var(--zk-font-mono); font-size: 0.48rem;
    letter-spacing: 0.05em; color: var(--zk-text-muted);
    writing-mode: vertical-rl; transform: rotate(180deg);
}
.zk-spine__ruler-mid { margin: auto 0; opacity: 0.5; }
.zk-spine__ruler-track {
    position: relative; flex: 1; width: 3px; margin: 0.8rem 0;
    background: var(--zk-border); border-radius: 2px; min-height: 120px;
}
.zk-spine__ruler-fill {
    position: absolute; top: 0; left: 0; right: 0;
    height: var(--progress, 0%); background: linear-gradient(to bottom, var(--zk-ice), rgba(126, 184, 212, 0.4));
    border-radius: 2px; transition: height 0.05s;
    box-shadow: 0 0 12px rgba(126, 184, 212, 0.4);
}
.zk-spine__ruler-beacon {
    position: absolute; left: 50%; transform: translate(-50%, -50%);
    top: var(--beacon, 0%);
    width: 9px; height: 9px;
    background: var(--zk-ice); border-radius: 50%;
    box-shadow: 0 0 10px var(--zk-ice), 0 0 20px rgba(126, 184, 212, 0.5);
    transition: top 0.08s; z-index: 2;
}
.zk-spine__ruler-beacon::after {
    content: ''; position: absolute; inset: -4px; border-radius: 50%;
    border: 1px solid rgba(126, 184, 212, 0.4);
    animation: zkBeaconRing 2s ease-out infinite;
}
@keyframes zkBeaconRing {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(1.8); opacity: 0; }
}
.zk-spine__ruler-ticks {
    position: absolute; right: 6px; top: 2.5rem; bottom: 2.5rem;
    list-style: none; display: flex; flex-direction: column; justify-content: space-between;
    pointer-events: none;
}
.zk-spine__ruler-ticks li {
    width: 6px; height: 1px; background: rgba(126, 184, 212, 0.2);
}

.zk-burger { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 4px; padding: 0.4rem; }
.zk-burger span { display: block; width: 18px; height: 1.5px; background: var(--zk-text); transition: 0.3s; }
.zk-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.zk-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.zk-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.zk-mobile-bar {
    display: none; position: fixed; top: 0; left: 0; right: 0; height: 58px;
    background: rgba(8, 10, 15, 0.96); backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--zk-border); z-index: 999;
    align-items: center; justify-content: space-between; padding: 0 1rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}
.zk-mobile-bar__brand {
    display: flex; align-items: center; gap: 0.55rem;
    font-family: var(--zk-font-serif); font-size: 1.15rem; color: var(--zk-text);
}
.zk-mobile-bar__seal {
    width: 30px; height: 30px; border-radius: 50%;
    border: 1px solid rgba(126, 184, 212, 0.35);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem; color: var(--zk-ice);
}
.zk-mobile-bar__tools { display: flex; align-items: center; gap: 0.6rem; }
.zk-mobile-bar__search, .zk-mobile-bar__cart {
    background: none; border: none; color: var(--zk-text-muted);
    padding: 0.4rem; cursor: pointer; position: relative;
}
.zk-mobile-bar__search:hover, .zk-mobile-bar__cart:hover { color: var(--zk-ice); }
.zk-mobile-bar__cart span {
    position: absolute; top: 0; right: 0;
    background: var(--zk-ice); color: var(--zk-bg-deep);
    font-size: 0.52rem; min-width: 14px; height: 14px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--zk-font-mono);
}

.zk-main { margin-left: var(--zk-nav-w); min-height: 100vh; }

/* Reveal animation */
.zk-reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.8s var(--zk-ease), transform 0.8s var(--zk-ease); }
.zk-reveal.is-visible { opacity: 1; transform: translateY(0); }

/* S1 · Depth Tunnel Hero */
.zk-tunnel { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; perspective: 1200px; }
.zk-tunnel__planes { position: absolute; inset: 0; }
.zk-tunnel__plane { position: absolute; inset: -10%; opacity: 0.35; will-change: transform; }
.zk-tunnel__plane--1 { z-index: 1; transform: translateZ(-200px) scale(1.2); }
.zk-tunnel__plane--2 { z-index: 2; transform: translateZ(-100px) scale(1.1); opacity: 0.5; }
.zk-tunnel__plane--3 { z-index: 3; transform: translateZ(0); opacity: 0.7; }
.zk-tunnel__plane img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.6) saturate(0.8); }
.zk-tunnel__content { position: relative; z-index: 10; padding: 4rem 3rem; max-width: 720px; }
.zk-tunnel__title { font-family: var(--zk-font-serif); font-size: clamp(2.8rem, 6vw, 5rem); font-weight: 600; line-height: 1.05; margin: 1rem 0 1.5rem; }
.zk-tunnel__title em { font-style: italic; color: var(--zk-ice); }
.zk-tunnel__line--shift { display: block; padding-left: 2rem; }
.zk-tunnel__lead { font-size: 1.05rem; color: var(--zk-text-muted); max-width: 520px; margin-bottom: 2rem; }
.zk-tunnel__actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }
.zk-tunnel__coords { display: flex; gap: 2rem; font-family: var(--zk-font-mono); font-size: 0.72rem; }
.zk-tunnel__coords span { display: block; color: var(--zk-text-muted); letter-spacing: 0.1em; }
.zk-tunnel__coords strong { color: var(--zk-ice); font-size: 1rem; }
.zk-tunnel__scroll-hint { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 0.5rem; font-family: var(--zk-font-mono); font-size: 0.65rem; letter-spacing: 0.2em; color: var(--zk-text-muted); z-index: 10; }
.zk-tunnel__scroll-line { width: 1px; height: 48px; background: linear-gradient(to bottom, var(--zk-ice), transparent); animation: zkScrollPulse 2s infinite; }
@keyframes zkScrollPulse { 0%,100% { opacity: 0.3; transform: scaleY(0.6); } 50% { opacity: 1; transform: scaleY(1); } }

/* S2 · Pinned Strata */
.zk-strata { min-height: 200vh; position: relative; background: var(--zk-bg-mid); }
.zk-strata__pin-wrap { position: sticky; top: 0; min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; padding: 4rem 3rem; max-width: 1400px; margin: 0 auto; }
.zk-strata__visual { position: relative; height: 480px; perspective: 800px; }
.zk-strata__layer { position: absolute; border-radius: 4px; overflow: hidden; box-shadow: var(--zk-shadow-layer); transition: transform 0.6s var(--zk-ease); }
.zk-strata__layer img { width: 100%; height: 100%; object-fit: cover; }
.zk-strata__layer--back { width: 90%; height: 70%; top: 0; left: 5%; z-index: 1; opacity: 0.6; transform: translateZ(-80px); }
.zk-strata__layer--mid { width: 85%; height: 75%; top: 10%; left: 8%; z-index: 2; opacity: 0.8; transform: translateZ(-40px); }
.zk-strata__layer--front { width: 80%; height: 80%; top: 15%; left: 10%; z-index: 3; transform: translateZ(0); }
.zk-strata__panel { display: none; }
.zk-strata__panel.is-active { display: block; animation: zkFadeIn 0.5s var(--zk-ease); }
@keyframes zkFadeIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
.zk-strata__depth { font-family: var(--zk-font-mono); font-size: 0.75rem; color: var(--zk-ice); letter-spacing: 0.15em; }
.zk-strata__panel h2 { font-family: var(--zk-font-serif); font-size: 2.4rem; margin: 0.5rem 0 1rem; }
.zk-strata__panel p { color: var(--zk-text-muted); font-size: 1.05rem; }

/* S3 · Horizontal Rail */
.zk-rail { padding: 6rem 0 4rem; background: var(--zk-bg-deep); overflow: hidden; }
.zk-rail__head { padding: 0 3rem 2rem; max-width: 600px; }
.zk-rail__head h2 { font-family: var(--zk-font-serif); font-size: clamp(2rem, 4vw, 3rem); line-height: 1.15; }
.zk-rail__head em { font-style: italic; color: var(--zk-ice); }
.zk-rail__belt { overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch; cursor: grab; }
.zk-rail__belt::-webkit-scrollbar { display: none; }
.zk-rail__track { display: flex; gap: 1.5rem; padding: 1rem 3rem 2rem; width: max-content; }
.zk-rail-card { flex: 0 0 320px; scroll-snap-align: start; background: var(--zk-bg-card); border: 1px solid var(--zk-border); border-radius: 4px; overflow: hidden; transform: translateZ(calc(var(--zk-z, 0) * -1px)); box-shadow: var(--zk-shadow-layer); transition: transform 0.4s var(--zk-ease); }
.zk-rail-card:hover { transform: translateY(-8px); border-color: var(--zk-ice); }
.zk-rail-card__z { position: absolute; top: 1rem; left: 1rem; font-family: var(--zk-font-mono); font-size: 0.65rem; color: var(--zk-ice); background: rgba(8,10,15,0.8); padding: 0.25rem 0.5rem; z-index: 2; }
.zk-rail-card figure { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.zk-rail-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.zk-rail-card:hover img { transform: scale(1.05); }
.zk-rail-card__body { padding: 1.2rem; }
.zk-rail-card__body h3 { font-family: var(--zk-font-serif); font-size: 1.2rem; margin: 0.3rem 0; }
.zk-rail-card__price { font-family: var(--zk-font-mono); color: var(--zk-bronze); font-size: 0.9rem; }
.zk-rail-card--cta { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 2rem; min-height: 280px; }
.zk-rail-card--cta p { font-family: var(--zk-font-serif); font-size: 1.4rem; margin-bottom: 1rem; }

/* S4 · Depth Selector */
.zk-selector { padding: 6rem 3rem; background: linear-gradient(180deg, var(--zk-bg-mid) 0%, var(--zk-bg-deep) 100%); }
.zk-selector__inner { max-width: 1100px; margin: 0 auto; }
.zk-selector__head h2 { font-family: var(--zk-font-serif); font-size: clamp(1.8rem, 3.5vw, 2.8rem); margin: 0.5rem 0 2rem; }
.zk-selector__head em { font-style: italic; color: var(--zk-ice); }
.zk-selector__controls { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 2rem; }
.zk-selector__tab { background: var(--zk-bg-card); border: 1px solid var(--zk-border); color: var(--zk-text-muted); font-family: var(--zk-font-mono); font-size: 0.72rem; padding: 0.7rem 1.2rem; cursor: pointer; transition: 0.3s; letter-spacing: 0.05em; }
.zk-selector__tab.is-active, .zk-selector__tab:hover { border-color: var(--zk-ice); color: var(--zk-ice); background: var(--zk-ice-dim); }
.zk-selector__panel { display: none; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center; }
.zk-selector__panel.is-active { display: grid; animation: zkFadeIn 0.4s; }
.zk-selector__panel figure { border-radius: 4px; overflow: hidden; box-shadow: var(--zk-shadow-layer); }
.zk-selector__panel h3 { font-family: var(--zk-font-serif); font-size: 1.6rem; margin-bottom: 0.8rem; }
.zk-selector__panel p { color: var(--zk-text-muted); margin-bottom: 1rem; }
.zk-selector__panel ul { list-style: none; }
.zk-selector__panel li { padding: 0.4rem 0; padding-left: 1.2rem; position: relative; font-size: 0.9rem; color: var(--zk-text-muted); }
.zk-selector__panel li::before { content: '—'; position: absolute; left: 0; color: var(--zk-ice); }

/* S5 · Distortion */
.zk-distort { padding: 6rem 3rem; background: var(--zk-bg-deep); }
.zk-distort__wrap { max-width: 900px; margin: 0 auto; text-align: center; }
.zk-distort h2 { font-family: var(--zk-font-serif); font-size: 2.4rem; margin: 0.5rem 0; }
.zk-distort h2 em { font-style: italic; color: var(--zk-ice); }
.zk-distort__lead { color: var(--zk-text-muted); margin-bottom: 2rem; }
.zk-distort__frame { position: relative; border-radius: 4px; overflow: hidden; margin-bottom: 1.5rem; box-shadow: var(--zk-shadow-layer); }
.zk-distort__frame img { width: 100%; transition: filter 0.1s, transform 0.1s; }
.zk-distort__overlay { position: absolute; inset: 0; background: radial-gradient(circle at 50% 50%, transparent 30%, rgba(126,184,212,0.1) 100%); pointer-events: none; }
.zk-distort__slider { display: flex; align-items: center; gap: 1rem; justify-content: center; font-family: var(--zk-font-mono); font-size: 0.8rem; }
.zk-distort__slider input[type=range] { width: 200px; accent-color: var(--zk-ice); }

/* S6 · Trust */
.zk-trust { padding: 6rem 3rem; background: var(--zk-bg-mid); }
.zk-trust__head { text-align: center; margin-bottom: 3rem; }
.zk-trust__head h2 { font-family: var(--zk-font-serif); font-size: 2.4rem; }
.zk-trust__head em { font-style: italic; color: var(--zk-ice); }
.zk-trust__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; max-width: 1100px; margin: 0 auto; }
.zk-trust-card { background: var(--zk-bg-card); border: 1px solid var(--zk-border); padding: 2rem; border-radius: 4px; transition: 0.3s; }
.zk-trust-card:hover { border-color: var(--zk-ice); transform: translateY(-4px); box-shadow: var(--zk-glow); }
.zk-trust-card__icon { font-family: var(--zk-font-mono); font-size: 1.8rem; color: var(--zk-ice); display: block; margin-bottom: 1rem; }
.zk-trust-card h3 { font-family: var(--zk-font-serif); font-size: 1.2rem; margin-bottom: 0.5rem; }
.zk-trust-card p { font-size: 0.88rem; color: var(--zk-text-muted); }

/* S7 · Conversion Shaft */
.zk-shaft { padding: 6rem 3rem; background: var(--zk-bg-deep); }
.zk-shaft__inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.zk-shaft__copy h2 { font-family: var(--zk-font-serif); font-size: 2.2rem; margin: 0.5rem 0 1rem; }
.zk-shaft__copy em { font-style: italic; color: var(--zk-ice); }
.zk-shaft__copy p { color: var(--zk-text-muted); margin-bottom: 1.5rem; }
.zk-shaft__stats { display: flex; gap: 2rem; margin-bottom: 2rem; }
.zk-shaft__stats strong { display: block; font-family: var(--zk-font-serif); font-size: 1.8rem; color: var(--zk-ice); }
.zk-shaft__stats span { font-size: 0.75rem; color: var(--zk-text-muted); font-family: var(--zk-font-mono); }
.zk-shaft-card { display: flex; gap: 1rem; background: var(--zk-bg-card); border: 1px solid var(--zk-border); padding: 1rem; margin-bottom: 0.8rem; border-radius: 4px; align-items: center; }
.zk-shaft-card img { width: 80px; height: 60px; object-fit: cover; border-radius: 2px; }
.zk-shaft-card h3 { font-size: 0.9rem; margin-bottom: 0.2rem; }
.zk-shaft-card span { font-family: var(--zk-font-mono); font-size: 0.8rem; color: var(--zk-bronze); }

/* S8 · Voices */
.zk-voices { padding: 6rem 3rem; background: var(--zk-bg-mid); }
.zk-voices__head { text-align: center; margin-bottom: 3rem; }
.zk-voices__head h2 { font-family: var(--zk-font-serif); font-size: 2.4rem; }
.zk-voices__head em { font-style: italic; color: var(--zk-ice); }
.zk-voices__stack { max-width: 800px; margin: 0 auto; position: relative; }
.zk-voice-card { background: var(--zk-bg-card); border: 1px solid var(--zk-border); padding: 2rem; margin-bottom: 1.5rem; border-radius: 4px; transform: translateX(var(--zk-offset, 0)) rotate(var(--zk-tilt, 0deg)); box-shadow: var(--zk-shadow-layer); transition: transform 0.4s; }
.zk-voice-card:hover { transform: translateX(0) rotate(0deg); border-color: var(--zk-ice); }
.zk-voice-card__depth { font-family: var(--zk-font-mono); font-size: 0.65rem; color: var(--zk-ice); letter-spacing: 0.15em; }
.zk-voice-card p { font-family: var(--zk-font-serif); font-size: 1.15rem; font-style: italic; margin: 1rem 0; line-height: 1.7; }
.zk-voice-card footer strong { display: block; font-size: 0.9rem; }
.zk-voice-card footer span { font-size: 0.78rem; color: var(--zk-text-muted); }

/* S9 · Ship & Pay */
.zk-ship-pay { padding: 5rem 3rem; background: var(--zk-bg-deep); border-top: 1px solid var(--zk-border); }
.zk-ship-pay__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 2rem; max-width: 1100px; margin: 0 auto; }
.zk-ship-pay h3 { font-family: var(--zk-font-serif); font-size: 1.3rem; margin: 0.5rem 0 1rem; }
.zk-ship-pay ul { list-style: none; }
.zk-ship-pay li { font-size: 0.88rem; color: var(--zk-text-muted); padding: 0.35rem 0; }
.zk-ship-pay__icons { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0; }
.zk-ship-pay__icons span { font-family: var(--zk-font-mono); font-size: 0.65rem; padding: 0.4rem 0.7rem; border: 1px solid var(--zk-border); border-radius: 2px; }
.zk-ship-pay__secure { font-size: 0.8rem; color: var(--zk-text-muted); }
.zk-ship-pay__support a { display: block; font-family: var(--zk-font-mono); font-size: 0.85rem; margin-top: 0.3rem; }

/* S10 · FAQ Abyss */
.zk-faq-abyss { padding: 6rem 3rem 8rem; background: var(--zk-bg-mid); }
.zk-faq-abyss__inner { max-width: 700px; margin: 0 auto; }
.zk-faq-abyss header { text-align: center; margin-bottom: 2rem; }
.zk-faq-abyss h2 { font-family: var(--zk-font-serif); font-size: 2.2rem; }
.zk-faq-abyss h2 em { font-style: italic; color: var(--zk-ice); }
.zk-faq-item { border-bottom: 1px solid var(--zk-border); }
.zk-faq-item summary { padding: 1.2rem 0; cursor: pointer; font-weight: 500; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.zk-faq-item summary::-webkit-details-marker { display: none; }
.zk-faq-item summary::after { content: '+'; font-family: var(--zk-font-mono); color: var(--zk-ice); transition: 0.3s; }
.zk-faq-item[open] summary::after { transform: rotate(45deg); }
.zk-faq-item p { padding: 0 0 1.2rem; color: var(--zk-text-muted); font-size: 0.92rem; line-height: 1.7; }
.zk-faq-abyss__cta { text-align: center; margin-top: 2rem; display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.zk-faq-abyss__cta p { color: var(--zk-text-muted); }

/* Page heads */
.zk-page-head { padding: 5rem 0 3rem; background: var(--zk-bg-mid); border-bottom: 1px solid var(--zk-border); }
.zk-page-head h1 { font-family: var(--zk-font-serif); font-size: clamp(2.2rem, 5vw, 3.5rem); margin: 0.5rem 0; }
.zk-page-head h1 span { color: var(--zk-ice); font-style: italic; }
.zk-page-head p { color: var(--zk-text-muted); max-width: 560px; }
.zk-page-head--legal { padding-bottom: 2rem; }

/* Shop */
.zk-shop { display: grid; grid-template-columns: 240px 1fr; gap: 2rem; padding: 3rem 1.5rem; max-width: 1400px; margin: 0 auto; }
.zk-shop__filter { position: sticky; top: 2rem; align-self: start; }
.zk-shop__cats { display: flex; flex-direction: column; gap: 0.3rem; margin: 1rem 0; }
.zk-shop__cat { padding: 0.5rem 0.8rem; font-size: 0.85rem; color: var(--zk-text-muted); border-left: 2px solid transparent; transition: 0.2s; }
.zk-shop__cat.is-active, .zk-shop__cat:hover { color: var(--zk-ice); border-left-color: var(--zk-ice); }
.zk-shop__search { display: flex; gap: 0.5rem; margin: 1rem 0; }
.zk-shop__search input { flex: 1; background: var(--zk-bg-card); border: 1px solid var(--zk-border); color: var(--zk-text); padding: 0.5rem 0.8rem; font-family: var(--zk-font-sans); font-size: 0.85rem; }
.zk-shop__sort select { width: 100%; background: var(--zk-bg-card); border: 1px solid var(--zk-border); color: var(--zk-text); padding: 0.5rem; font-size: 0.85rem; margin-top: 0.3rem; }
.zk-shop__meta { font-family: var(--zk-font-mono); font-size: 0.72rem; color: var(--zk-text-muted); display: flex; flex-direction: column; gap: 0.3rem; margin-top: 1rem; }
.zk-shop__deck { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.zk-shop-card { background: var(--zk-bg-card); border: 1px solid var(--zk-border); border-radius: 4px; overflow: hidden; transition: 0.3s; }
.zk-shop-card:hover { border-color: var(--zk-ice); transform: translateY(-4px); box-shadow: var(--zk-glow); }
.zk-shop-card__fig { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.zk-shop-card__fig img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.zk-shop-card:hover .zk-shop-card__fig img { transform: scale(1.04); }
.zk-shop-card__badge { position: absolute; top: 0.8rem; left: 0.8rem; background: rgba(8,10,15,0.85); font-family: var(--zk-font-mono); font-size: 0.65rem; padding: 0.25rem 0.5rem; color: var(--zk-ice); }
.zk-shop-card__wish { position: absolute; top: 0.8rem; right: 0.8rem; background: rgba(8,10,15,0.85); border: none; color: var(--zk-text-muted); width: 36px; height: 36px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: 0.2s; }
.zk-shop-card__wish.is-wished, .zk-shop-card__wish:hover { color: #e74; }
.zk-shop-card__preview { position: absolute; inset: 0; background: rgba(8,10,15,0.92); padding: 1.5rem; opacity: 0; transition: 0.3s; display: flex; align-items: center; }
.zk-shop-card:hover .zk-shop-card__preview { opacity: 1; }
.zk-shop-card__preview dl { width: 100%; }
.zk-shop-card__preview dt { font-family: var(--zk-font-mono); font-size: 0.65rem; color: var(--zk-ice); }
.zk-shop-card__preview dd { font-size: 0.85rem; margin-bottom: 0.5rem; color: var(--zk-text-muted); }
.zk-shop-card__body { padding: 1.2rem; }
.zk-shop-card__body h2 { font-family: var(--zk-font-serif); font-size: 1.15rem; margin: 0.3rem 0; }
.zk-shop-card__avail { font-family: var(--zk-font-mono); font-size: 0.68rem; color: #6c8; }
.zk-shop-card__avail.is-rare { color: var(--zk-bronze); }
.zk-shop-card__foot { display: flex; justify-content: space-between; align-items: center; margin-top: 1rem; }
.zk-shop-card__price { font-family: var(--zk-font-mono); color: var(--zk-bronze); }
.zk-shop-cta { padding: 4rem 1.5rem; text-align: center; background: var(--zk-bg-mid); }
.zk-shop-cta h2 { font-family: var(--zk-font-serif); font-size: 2rem; margin-bottom: 0.5rem; }

/* About */
.zk-about-story { padding: 4rem 0; }
.zk-about-story__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.zk-about-story h2 { font-family: var(--zk-font-serif); font-size: 2rem; margin-bottom: 1rem; }
.zk-about-story p { color: var(--zk-text-muted); margin-bottom: 1rem; }
.zk-about-story__fig figcaption { font-family: var(--zk-font-mono); font-size: 0.7rem; color: var(--zk-text-muted); margin-top: 0.5rem; }
.zk-about-mission { padding: 4rem 0; background: var(--zk-bg-mid); text-align: center; }
.zk-about-mission__quote { font-family: var(--zk-font-serif); font-size: 1.8rem; font-style: italic; margin: 1rem 0; color: var(--zk-ice); }
.zk-about-mission cite { font-size: 0.85rem; color: var(--zk-text-muted); font-style: normal; }
.zk-about-values { padding: 4rem 0; }
.zk-about-values h2 { font-family: var(--zk-font-serif); font-size: 2rem; text-align: center; margin-bottom: 2rem; }
.zk-about-values__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.zk-value-card { background: var(--zk-bg-card); border: 1px solid var(--zk-border); padding: 2rem; text-align: center; border-radius: 4px; }
.zk-value-card__icon { font-family: var(--zk-font-serif); font-size: 2rem; color: var(--zk-ice); display: block; margin-bottom: 1rem; }
.zk-about-timeline { padding: 4rem 0; background: var(--zk-bg-mid); }
.zk-timeline { list-style: none; max-width: 700px; margin: 2rem auto 0; position: relative; padding-left: 2rem; border-left: 1px solid var(--zk-border); }
.zk-timeline__item { padding: 0 0 2rem 1.5rem; position: relative; }
.zk-timeline__item::before { content: ''; position: absolute; left: -2rem; top: 0.3rem; width: 8px; height: 8px; background: var(--zk-ice); border-radius: 50%; transform: translateX(-50%); }
.zk-timeline__year { font-family: var(--zk-font-mono); font-size: 0.75rem; color: var(--zk-ice); }
.zk-timeline__content h3 { font-family: var(--zk-font-serif); font-size: 1.2rem; margin: 0.2rem 0; }
.zk-timeline__content p { font-size: 0.9rem; color: var(--zk-text-muted); }
.zk-about-stats { padding: 3rem 0; }
.zk-about-stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; text-align: center; }
.zk-about-stats strong { display: block; font-family: var(--zk-font-serif); font-size: 2.5rem; color: var(--zk-ice); }
.zk-about-stats span { font-size: 0.78rem; color: var(--zk-text-muted); }
.zk-about-why { padding: 4rem 0; }
.zk-about-why__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.zk-about-why h2 { font-family: var(--zk-font-serif); font-size: 2rem; margin-bottom: 1rem; }
.zk-about-why__list { list-style: none; margin: 1.5rem 0; }
.zk-about-why__list li { padding: 0.5rem 0; padding-left: 1.2rem; position: relative; color: var(--zk-text-muted); font-size: 0.92rem; }
.zk-about-why__list li::before { content: '→'; position: absolute; left: 0; color: var(--zk-ice); }
.zk-about-cta { padding: 4rem 0; text-align: center; background: var(--zk-bg-mid); }

/* FAQ page */
.zk-faq-page { padding: 3rem 0; }
.zk-faq-tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
.zk-faq-tabs__btn { background: var(--zk-bg-card); border: 1px solid var(--zk-border); color: var(--zk-text-muted); font-family: var(--zk-font-mono); font-size: 0.72rem; padding: 0.6rem 1rem; cursor: pointer; transition: 0.2s; }
.zk-faq-tabs__btn.is-active, .zk-faq-tabs__btn:hover { border-color: var(--zk-ice); color: var(--zk-ice); }
.zk-faq-panel { display: none; }
.zk-faq-panel.is-active { display: block; }
.zk-faq-cta { padding: 4rem 0; text-align: center; background: var(--zk-bg-mid); }

/* Contact */
.zk-contact { padding: 3rem 0; }
.zk-contact__grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; }
.zk-contact__card { background: var(--zk-bg-card); border: 1px solid var(--zk-border); padding: 1.5rem; border-radius: 4px; margin-bottom: 1rem; }
.zk-contact__card address { font-style: normal; line-height: 1.8; font-size: 0.9rem; color: var(--zk-text-muted); }
.zk-contact__hours { font-family: var(--zk-font-mono); font-size: 0.78rem; color: var(--zk-text-muted); margin-top: 0.5rem; }
.zk-contact__response { background: var(--zk-ice-dim); border: 1px solid var(--zk-border); padding: 1rem; border-radius: 4px; margin-bottom: 1rem; font-size: 0.88rem; }
.zk-contact__cat { display: flex; gap: 0.8rem; padding: 0.6rem 0; border-bottom: 1px solid var(--zk-border); font-size: 0.88rem; }
.zk-contact__cat p { color: var(--zk-text-muted); font-size: 0.8rem; }
.zk-contact-form { background: var(--zk-bg-card); border: 1px solid var(--zk-border); padding: 2rem; border-radius: 4px; }
.zk-contact-form h2 { font-family: var(--zk-font-serif); font-size: 1.5rem; margin-bottom: 1.5rem; }
.zk-form-row { margin-bottom: 1rem; }
.zk-form-row label { display: block; font-size: 0.82rem; margin-bottom: 0.3rem; color: var(--zk-text-muted); }
.zk-form-row label span { color: var(--zk-ice); }
.zk-form-row input, .zk-form-row select, .zk-form-row textarea {
    width: 100%; background: var(--zk-bg-deep); border: 1px solid var(--zk-border); color: var(--zk-text);
    padding: 0.7rem 0.9rem; font-family: var(--zk-font-sans); font-size: 0.9rem; border-radius: 2px;
}
.zk-form-row input:focus, .zk-form-row select:focus, .zk-form-row textarea:focus { outline: none; border-color: var(--zk-ice); }
.zk-form-row--half { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.zk-form-note { font-size: 0.78rem; color: var(--zk-text-muted); margin-top: 1rem; }
.zk-contact-map { padding: 3rem 0; background: var(--zk-bg-mid); }
.zk-contact-map__frame { margin-top: 1rem; border: 1px solid var(--zk-border); border-radius: 4px; overflow: hidden; min-height: 280px; background: var(--zk-bg-card); display: flex; align-items: center; justify-content: center; }
.zk-contact-map__placeholder { text-align: center; padding: 2rem; }
.zk-contact-map__placeholder p { color: var(--zk-text-muted); margin-bottom: 0.3rem; }

/* Cart */
.zk-cart { padding: 3rem 1.5rem; max-width: 1200px; margin: 0 auto; }
.zk-cart-empty { text-align: center; padding: 4rem 0; }
.zk-cart-empty p { color: var(--zk-text-muted); margin-bottom: 1.5rem; }
.zk-cart-layout { display: grid; grid-template-columns: 1fr 340px; gap: 2rem; }
.zk-cart-table__head { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 40px; gap: 1rem; font-family: var(--zk-font-mono); font-size: 0.68rem; color: var(--zk-text-muted); letter-spacing: 0.1em; padding-bottom: 0.8rem; border-bottom: 1px solid var(--zk-border); }
.zk-cart-row { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 40px; gap: 1rem; align-items: center; padding: 1rem 0; border-bottom: 1px solid var(--zk-border); font-size: 0.88rem; }
.zk-cart-row__product { display: flex; gap: 0.8rem; align-items: center; }
.zk-cart-row__product img { width: 72px; height: 54px; object-fit: cover; border-radius: 2px; }
.zk-qty { display: flex; align-items: center; gap: 0.5rem; }
.zk-qty-btn { background: var(--zk-bg-card); border: 1px solid var(--zk-border); color: var(--zk-text); width: 28px; height: 28px; cursor: pointer; font-size: 1rem; }
.zk-cart-remove { background: none; border: none; color: var(--zk-text-muted); font-size: 1.2rem; cursor: pointer; }
.zk-cart-shipping-est { margin-top: 2rem; background: var(--zk-bg-card); border: 1px solid var(--zk-border); padding: 1.5rem; border-radius: 4px; }
.zk-cart-shipping-note { font-size: 0.78rem; color: var(--zk-text-muted); margin-top: 0.5rem; }
.zk-cart-side { background: var(--zk-bg-card); border: 1px solid var(--zk-border); padding: 1.5rem; border-radius: 4px; align-self: start; position: sticky; top: 2rem; }
.zk-cart-side h2 { font-family: var(--zk-font-serif); font-size: 1.3rem; margin-bottom: 1rem; }
.zk-cart-totals div { display: flex; justify-content: space-between; padding: 0.4rem 0; font-size: 0.88rem; color: var(--zk-text-muted); }
.zk-cart-totals__total { border-top: 1px solid var(--zk-border); margin-top: 0.5rem; padding-top: 0.8rem !important; font-size: 1rem !important; color: var(--zk-text) !important; font-weight: 600; }
.zk-cart-coupon { margin: 1.5rem 0; }
.zk-cart-coupon__row { display: flex; gap: 0.5rem; margin-top: 0.3rem; }
.zk-cart-coupon__row input { flex: 1; background: var(--zk-bg-deep); border: 1px solid var(--zk-border); color: var(--zk-text); padding: 0.5rem; font-size: 0.85rem; }
.zk-cart-coupon__hint { font-size: 0.72rem; color: var(--zk-text-muted); margin-top: 0.3rem; }
.zk-cart-trust { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; font-size: 0.72rem; color: var(--zk-text-muted); }
.zk-cart-note { font-size: 0.75rem; color: var(--zk-text-muted); margin-top: 1rem; }

/* Checkout */
.zk-checkout { padding: 3rem 1.5rem; max-width: 1200px; margin: 0 auto; }
.zk-checkout-empty { text-align: center; padding: 4rem 0; }
.zk-checkout-grid { display: grid; grid-template-columns: 1fr 360px; gap: 2rem; }
.zk-checkout-section { background: var(--zk-bg-card); border: 1px solid var(--zk-border); padding: 1.5rem; border-radius: 4px; margin-bottom: 1.5rem; }
.zk-checkout-section h2 { font-family: var(--zk-font-serif); font-size: 1.2rem; margin-bottom: 1rem; }
.zk-checkbox { display: flex; align-items: flex-start; gap: 0.5rem; font-size: 0.88rem; color: var(--zk-text-muted); cursor: pointer; margin-bottom: 0.8rem; }
.zk-checkbox input { margin-top: 0.2rem; accent-color: var(--zk-ice); }
.zk-payment-methods { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1rem; }
.zk-payment-option { display: flex; align-items: center; gap: 0.5rem; font-size: 0.88rem; cursor: pointer; padding: 0.5rem; border: 1px solid var(--zk-border); border-radius: 2px; }
.zk-payment-option:has(input:checked) { border-color: var(--zk-ice); background: var(--zk-ice-dim); }
.zk-card-ui { padding-top: 0.5rem; }
.zk-checkout-summary { background: var(--zk-bg-card); border: 1px solid var(--zk-border); padding: 1.5rem; border-radius: 4px; align-self: start; position: sticky; top: 2rem; }
.zk-checkout-summary h2 { font-family: var(--zk-font-serif); font-size: 1.2rem; margin-bottom: 1rem; }
.zk-checkout-item { display: flex; gap: 0.8rem; padding: 0.6rem 0; border-bottom: 1px solid var(--zk-border); font-size: 0.85rem; }
.zk-checkout-item img { width: 56px; height: 42px; object-fit: cover; border-radius: 2px; }
.zk-checkout-secure { margin-top: 1rem; font-size: 0.75rem; color: var(--zk-text-muted); line-height: 1.8; }
.zk-checkout-success { text-align: center; padding: 4rem 0; }
.zk-checkout-success h2 { font-family: var(--zk-font-serif); font-size: 2rem; margin-bottom: 1rem; color: var(--zk-ice); }

/* Legal */
.zk-legal { padding: 3rem 0 5rem; }
.zk-legal-intro { font-size: 1.05rem; color: var(--zk-text-muted); margin-bottom: 2rem; line-height: 1.8; }
.zk-legal h2 { font-family: var(--zk-font-serif); font-size: 1.5rem; margin: 2rem 0 0.8rem; color: var(--zk-text); }
.zk-legal h3 { font-size: 1.05rem; margin: 1.2rem 0 0.5rem; color: var(--zk-ice); }
.zk-legal p { color: var(--zk-text-muted); margin-bottom: 1rem; line-height: 1.8; font-size: 0.92rem; }
.zk-legal ul, .zk-legal ol { margin: 0.5rem 0 1rem 1.5rem; color: var(--zk-text-muted); font-size: 0.92rem; line-height: 1.8; }
.zk-legal-address { font-style: normal; background: var(--zk-bg-card); border: 1px solid var(--zk-border); padding: 1rem; margin: 1rem 0; line-height: 1.8; }

/* Footer */
.zk-abyss-footer { background: var(--zk-bg-deep); border-top: 1px solid var(--zk-border); padding: 4rem 3rem 0; margin-left: 0; position: relative; }
.zk-abyss-footer__glow { position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 60%; height: 1px; background: linear-gradient(90deg, transparent, var(--zk-ice), transparent); opacity: 0.3; }
.zk-abyss-footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2rem; max-width: 1200px; margin: 0 auto 2rem; }
.zk-abyss-footer__logo { display: flex; align-items: center; gap: 0.5rem; font-family: var(--zk-font-serif); font-size: 1.2rem; color: var(--zk-text); margin-bottom: 0.8rem; }
.zk-abyss-footer__glyph { color: var(--zk-ice); }
.zk-abyss-footer__desc { font-size: 0.85rem; color: var(--zk-text-muted); line-height: 1.7; margin-bottom: 1rem; }
.zk-abyss-footer__social { display: flex; gap: 0.8rem; }
.zk-abyss-footer__social a { color: var(--zk-text-muted); transition: 0.2s; }
.zk-abyss-footer__social a:hover { color: var(--zk-ice); }
.zk-abyss-footer__col .zk-micro { display: block; margin-bottom: 0.8rem; }
.zk-abyss-footer__col a { display: block; font-size: 0.85rem; color: var(--zk-text-muted); padding: 0.25rem 0; transition: 0.2s; }
.zk-abyss-footer__col a:hover { color: var(--zk-ice); }
.zk-abyss-footer__col address { font-style: normal; font-size: 0.82rem; color: var(--zk-text-muted); line-height: 1.8; margin-top: 0.5rem; }
.zk-abyss-footer__newsletter { max-width: 1200px; margin: 0 auto 2rem; padding-top: 1rem; border-top: 1px solid var(--zk-border); }
.zk-abyss-footer__newsletter label { font-size: 0.85rem; color: var(--zk-text-muted); display: block; margin-bottom: 0.5rem; }
.zk-abyss-footer__newsletter-row { display: flex; gap: 0.5rem; max-width: 400px; }
.zk-abyss-footer__newsletter-row input { flex: 1; background: var(--zk-bg-card); border: 1px solid var(--zk-border); color: var(--zk-text); padding: 0.6rem 0.9rem; font-size: 0.85rem; }
.zk-abyss-footer__bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.5rem 0; border-top: 1px solid var(--zk-border); max-width: 1200px; margin: 0 auto; font-size: 0.72rem; color: var(--zk-text-muted); }
.zk-abyss-footer__bar-left { display: flex; flex-direction: column; gap: 0.2rem; }
.zk-abyss-footer__payments { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.zk-pay-icon { font-family: var(--zk-font-mono); font-size: 0.6rem; padding: 0.25rem 0.5rem; border: 1px solid var(--zk-border); border-radius: 2px; }
.zk-abyss-footer__trust { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Search overlay */
.zk-search { position: fixed; inset: 0; z-index: 2000; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: 0.3s; }
.zk-search.is-open { opacity: 1; visibility: visible; }
.zk-search__veil { position: absolute; inset: 0; background: rgba(8,10,15,0.9); }
.zk-search__panel { position: relative; background: var(--zk-bg-card); border: 1px solid var(--zk-border); padding: 2rem; width: 90%; max-width: 480px; z-index: 1; }
.zk-search__close { position: absolute; top: 1rem; right: 1rem; background: none; border: none; color: var(--zk-text-muted); font-size: 1.5rem; cursor: pointer; }
.zk-search__panel input { width: 100%; background: var(--zk-bg-deep); border: 1px solid var(--zk-border); color: var(--zk-text); padding: 0.8rem; margin: 1rem 0; font-size: 1rem; }
.zk-drawer { position: fixed; inset: 0; z-index: 1500; visibility: hidden; }
.zk-drawer.is-open { visibility: visible; }
.zk-drawer::before { content: ''; position: absolute; inset: 0; background: rgba(8,10,15,0.8); opacity: 0; transition: 0.3s; }
.zk-drawer.is-open::before { opacity: 1; }
.zk-drawer__panel { position: absolute; top: 0; right: 0; bottom: 0; width: 280px; background: var(--zk-bg-mid); border-left: 1px solid var(--zk-border); padding: 2rem; transform: translateX(100%); transition: 0.3s var(--zk-ease); display: flex; flex-direction: column; gap: 0.8rem; }
.zk-drawer.is-open .zk-drawer__panel { transform: translateX(0); }
.zk-drawer__panel a { font-size: 0.95rem; color: var(--zk-text-muted); padding: 0.4rem 0; }
.zk-drawer__phone { font-family: var(--zk-font-mono); font-size: 0.8rem; color: var(--zk-ice); margin-top: auto; }

/* Float support & back to top */
.zk-float-support { position: fixed; bottom: 5rem; right: 1.5rem; width: 48px; height: 48px; background: var(--zk-ice); color: var(--zk-bg-deep); border-radius: 50%; display: flex; align-items: center; justify-content: center; z-index: 900; box-shadow: var(--zk-glow); transition: 0.3s; }
.zk-float-support:hover { transform: scale(1.08); color: var(--zk-bg-deep); }
.zk-top { position: fixed; bottom: 1.5rem; right: 1.5rem; width: 40px; height: 40px; background: var(--zk-bg-card); border: 1px solid var(--zk-border); color: var(--zk-text-muted); border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; z-index: 900; opacity: 0; visibility: hidden; transition: 0.3s; }
.zk-top.is-visible { opacity: 1; visibility: visible; }
.zk-top:hover { border-color: var(--zk-ice); color: var(--zk-ice); }
.zk-toast { position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--zk-bg-card); border: 1px solid var(--zk-ice); color: var(--zk-text); padding: 0.8rem 1.5rem; font-size: 0.85rem; z-index: 3000; opacity: 0; visibility: hidden; transition: 0.3s; border-radius: 4px; }
.zk-toast.is-visible { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* Responsive */
@media (max-width: 900px) {
    .zk-spine { display: none; }
    .zk-mobile-bar { display: flex; }
    .zk-main { margin-left: 0; padding-top: 58px; }
    .zk-abyss-footer { padding: 3rem 1.5rem 0; }
    .zk-abyss-footer__grid { grid-template-columns: 1fr 1fr; }
    .zk-strata__pin-wrap { grid-template-columns: 1fr; padding: 3rem 1.5rem; }
    .zk-strata__visual { height: 320px; }
    .zk-selector__panel.is-active { grid-template-columns: 1fr; }
    .zk-shaft__inner { grid-template-columns: 1fr; }
    .zk-shop { grid-template-columns: 1fr; }
    .zk-shop__filter { position: static; }
    .zk-about-story__grid, .zk-about-why__grid, .zk-contact__grid { grid-template-columns: 1fr; }
    .zk-about-stats__grid { grid-template-columns: repeat(2, 1fr); }
    .zk-cart-layout, .zk-checkout-grid { grid-template-columns: 1fr; }
    .zk-cart-table__head { display: none; }
    .zk-cart-row { grid-template-columns: 1fr; gap: 0.5rem; }
    .zk-tunnel__content { padding: 3rem 1.5rem; }
    .zk-rail__head, .zk-rail__track { padding-left: 1.5rem; padding-right: 1.5rem; }
}

@media (max-width: 560px) {
    .zk-abyss-footer__grid { grid-template-columns: 1fr; }
    .zk-abyss-footer__bar { flex-direction: column; text-align: center; }
    .zk-form-row--half { grid-template-columns: 1fr; }
}