/* Zayqen · Story Commerce · Layout 92 · copper diagonals */

:root {
  --zx-ink: #070605; --zx-charcoal: #12100e; --zx-panel: #1a1714;
  --zx-copper: #b8925a; --zx-copper-light: #d4b483; --zx-cream: #ece7de;
  --zx-rust: #8b3a2a; --zx-mist: rgba(236, 231, 222, 0.06);
  --zx-glass: rgba(7, 6, 5, 0.78);
  --zx-serif: 'Cormorant Garamond', 'Noto Serif JP', Georgia, serif;
  --zx-sans: 'Zen Kaku Gothic New', system-ui, sans-serif;
  --zx-mono: 'IBM Plex Mono', monospace;
  --zx-rail-w: 80px; --zx-dock-h: 58px;
  --zx-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --zx-shadow-sm: 0 8px 24px rgba(0,0,0,.35);
  --zx-shadow-md: 0 16px 48px rgba(0,0,0,.42);
  --zx-shadow-lg: 0 28px 72px rgba(0,0,0,.55), 0 4px 16px rgba(184,146,90,.08);
  --zx-shadow-overlap: 0 -12px 40px rgba(0,0,0,.5), 12px 24px 48px rgba(0,0,0,.35);
  --zx-cut: polygon(0 0, 100% 0, 100% calc(100% - 28px), 0 100%);
  --zx-cut-reverse: polygon(0 28px, 100% 0, 100% 100%, 0 100%);
  --zx-slant: polygon(6% 0, 100% 0, 94% 100%, 0 100%);
  --zx-distort: 0;
  --zx-text: var(--zx-cream); --zx-text-dim: rgba(236,231,222,.62);
  --zx-border: var(--zx-mist); --zx-bg: var(--zx-ink); --zx-surface: var(--zx-charcoal);
}

[data-theme="light"] {
  --zx-ink: #ece7de; --zx-charcoal: #e2dcd2; --zx-panel: #d8d2c8; --zx-cream: #1a1714;
  --zx-mist: rgba(26,23,20,.08); --zx-glass: rgba(236,231,222,.92);
  --zx-text: #12100e; --zx-text-dim: rgba(18,16,14,.62);
  --zx-border: rgba(26,23,20,.12); --zx-bg: #ece7de; --zx-surface: #e2dcd2;
  --zx-shadow-sm: 0 8px 24px rgba(0,0,0,.08);
  --zx-shadow-md: 0 16px 48px rgba(0,0,0,.1);
  --zx-shadow-lg: 0 28px 72px rgba(0,0,0,.14);
  --zx-shadow-overlap: 0 -12px 40px rgba(0,0,0,.1), 12px 24px 48px rgba(0,0,0,.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body.zx-body {
  font-family: var(--zx-sans); background: var(--zx-bg); color: var(--zx-text);
  line-height: 1.7; overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--zx-copper-light); text-decoration: none; transition: color .25s var(--zx-ease); }
a:hover { color: var(--zx-copper); }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }
input, select, textarea {
  background: var(--zx-panel); border: 1px solid var(--zx-border); border-radius: 0;
  padding: .75rem 1rem; transition: border-color .25s, box-shadow .25s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--zx-copper); box-shadow: 0 0 0 2px rgba(184,146,90,.2);
}
textarea { resize: vertical; min-height: 140px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.zx-chapter-meta { display: none; }
h1, h2, h3, h4 { font-family: var(--zx-serif); font-weight: 500; line-height: 1.15; }
h2 em, h1 em { font-style: italic; color: var(--zx-copper); }

::selection { background: rgba(184, 146, 90, 0.35); color: var(--zx-text); }

@keyframes zx-fade-rise {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: none; }
}

@keyframes zx-shimmer {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 0.85; }
}

@keyframes zx-scroll-nudge {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(8px); }
}

/* Global */
.zx-micro {
  font-family: var(--zx-mono); font-size: .625rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--zx-copper); opacity: .88;
}
.zx-skip {
  position: absolute; top: -100px; left: calc(var(--zx-rail-w) + 1rem); z-index: 9999;
  padding: .6rem 1.2rem; background: var(--zx-copper); color: var(--zx-ink);
  font-family: var(--zx-mono); font-size: .7rem; letter-spacing: .1em;
}
.zx-skip:focus { top: 1rem; }
.zx-chapter-badge {
  display: inline-flex; font-family: var(--zx-mono); font-size: .6rem;
  letter-spacing: .18em; text-transform: uppercase; color: var(--zx-copper);
  margin-bottom: .85rem; padding-left: .75rem; border-left: 2px solid var(--zx-copper);
}
.zx-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .8rem 1.6rem; font-family: var(--zx-mono); font-size: .68rem;
  letter-spacing: .14em; text-transform: uppercase; clip-path: var(--zx-slant);
  transition: transform .3s var(--zx-ease), background .3s, color .3s, box-shadow .3s;
}
.zx-btn:hover { transform: translateY(-2px); }
.zx-btn--copper { background: var(--zx-copper); color: var(--zx-ink); box-shadow: var(--zx-shadow-sm); }
.zx-btn--copper:hover { background: var(--zx-copper-light); box-shadow: var(--zx-shadow-md); }
.zx-btn--ghost { border: 1px solid var(--zx-border); color: var(--zx-text); }
.zx-btn--ghost:hover { border-color: var(--zx-copper); color: var(--zx-copper); }
.zx-btn--outline { border: 1px solid var(--zx-copper); color: var(--zx-copper); background: transparent; }
.zx-btn--outline:hover { background: var(--zx-copper); color: var(--zx-ink); }
.zx-btn--sm { padding: .55rem 1.1rem; font-size: .6rem; }
.zx-btn--lg { padding: 1rem 2.2rem; font-size: .72rem; }
.zx-reveal { opacity: 0; transform: translateY(32px) skewY(.4deg); transition: opacity .75s var(--zx-ease), transform .75s var(--zx-ease); }
.zx-reveal.is-visible { opacity: 1; transform: none; }
.zx-main { min-height: 60vh; }
.page-home .zx-main, .page-home .zx-dock, .page-home .zx-ledger { margin-left: var(--zx-rail-w); }

/* Chapter rail */
.zx-chapter-rail {
  position: fixed; left: 0; top: 0; bottom: 0; width: var(--zx-rail-w); z-index: 220;
  display: flex; flex-direction: column; background: var(--zx-glass);
  backdrop-filter: blur(14px); border-right: 1px solid var(--zx-border);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 48px), 0 100%);
}
.zx-chapter-rail__head { padding: 1.1rem .35rem; text-align: center; border-bottom: 1px solid var(--zx-border); }
.zx-chapter-rail__vol { display: block; font-family: var(--zx-mono); font-size: .52rem; letter-spacing: .12em; color: var(--zx-rust); margin-bottom: .35rem; }
.zx-chapter-rail__brand {
  display: block; font-family: var(--zx-serif); font-size: .9rem; font-weight: 600;
  color: var(--zx-text); writing-mode: vertical-rl; margin: .5rem auto 0; letter-spacing: .1em;
}
.zx-chapter-rail__list {
  flex: 1; list-style: none; overflow-y: auto; padding: .6rem 0;
  display: flex; flex-direction: column; gap: 1px; scrollbar-width: none;
}
.zx-chapter-rail__list::-webkit-scrollbar { display: none; }
.zx-chapter-rail__list li { text-align: center; }
.zx-chapter-rail__list a {
  display: block; font-family: var(--zx-mono); font-size: .55rem; letter-spacing: .08em;
  color: var(--zx-text); opacity: .35; padding: .4rem .15rem; position: relative; transition: opacity .25s, color .25s;
}
.zx-chapter-rail__list a::before {
  content: ''; position: absolute; left: 0; top: 50%; width: 3px; height: 0;
  background: var(--zx-copper); transform: translateY(-50%) skewY(-12deg); transition: height .3s var(--zx-ease);
}
.zx-chapter-rail__list a:hover { opacity: .75; color: var(--zx-copper-light); }
.zx-chapter-rail__list a.is-active { opacity: 1; color: var(--zx-copper); }
.zx-chapter-rail__list a.is-active::before { height: 18px; }
.zx-chapter-rail__foot {
  padding: .85rem .25rem; text-align: center; border-top: 1px solid var(--zx-border);
  font-family: var(--zx-mono); font-size: .52rem; color: var(--zx-copper);
  clip-path: polygon(0 12px, 100% 0, 100% 100%, 0 100%); background: rgba(184,146,90,.06);
}
.zx-chapter-rail__foot span { display: block; line-height: 1.5; }

/* Dock nav */
.zx-dock {
  position: sticky; top: 0; z-index: 180; background: var(--zx-glass);
  backdrop-filter: blur(18px); border-bottom: 1px solid var(--zx-border); transition: box-shadow .35s;
}
.zx-dock.is-scrolled { box-shadow: var(--zx-shadow-sm); }
.zx-dock.is-scrolled .zx-dock__slant { opacity: 1; height: 4px; }
.zx-dock.is-scrolled .zx-dock__edition { opacity: 1; }
.zx-dock__slant {
  position: absolute; bottom: -1px; left: 0; right: 0; height: 3px;
  background: linear-gradient(105deg, transparent, var(--zx-copper) 35%, var(--zx-rust) 65%, transparent);
  transform: skewY(-.6deg); opacity: .65; pointer-events: none;
}
.zx-dock__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem; height: var(--zx-dock-h); gap: 1.25rem;
}
.page-home .zx-dock__inner { padding-left: 1.5rem; }
.zx-dock__mark { font-family: var(--zx-serif); font-size: 1.4rem; font-weight: 600; color: var(--zx-text); }
.zx-dock__edition { font-family: var(--zx-mono); font-size: .58rem; letter-spacing: .14em; color: var(--zx-copper); opacity: .85; }
.zx-dock__nav { display: flex; gap: 2rem; }
.zx-nav-link {
  font-family: var(--zx-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--zx-text); opacity: .5; position: relative; transition: opacity .25s, color .25s;
}
.zx-nav-link::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 1px;
  background: var(--zx-copper); transform: skewX(-24deg); transition: width .3s var(--zx-ease);
}
.zx-nav-link:hover, .zx-nav-link.is-active { opacity: 1; color: var(--zx-copper); }
.zx-nav-link.is-active::after, .zx-nav-link:hover::after { width: 100%; }
.zx-dock__tools { display: flex; align-items: center; gap: .45rem; }
.zx-tool, .zx-cart-pill {
  display: flex; align-items: center; justify-content: center; width: 38px; height: 38px;
  border: 1px solid var(--zx-border); color: var(--zx-text); clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
  transition: border-color .25s, background .25s, transform .25s;
}
.zx-tool:hover, .zx-cart-pill:hover { border-color: var(--zx-copper); background: var(--zx-mist); transform: skewX(-2deg); }
.zx-cart-pill { width: auto; padding: 0 .85rem; gap: .35rem; }
.zx-cart-pill span { font-family: var(--zx-mono); font-size: .62rem; color: var(--zx-copper); }
[data-theme="dark"] .zx-icon-moon, [data-theme="light"] .zx-icon-sun { display: none; }
.zx-burger {
  display: none; flex-direction: column; gap: 5px; width: 38px; height: 38px;
  align-items: center; justify-content: center; border: 1px solid var(--zx-border);
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
}
.zx-burger span { display: block; width: 18px; height: 1.5px; background: var(--zx-text); transition: transform .35s var(--zx-ease), opacity .25s; }
.zx-burger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.zx-burger.is-open span:nth-child(2) { opacity: 0; }
.zx-burger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Overlays */
.zx-search-layer, .zx-drawer {
  position: fixed; inset: 0; z-index: 400; pointer-events: none; opacity: 0; visibility: hidden;
  transition: opacity .4s var(--zx-ease), visibility .4s;
}
.zx-search-layer.is-open, .zx-drawer.is-open { pointer-events: auto; opacity: 1; visibility: visible; }
.zx-search-layer__veil, .zx-drawer__veil { position: absolute; inset: 0; background: rgba(7,6,5,.72); backdrop-filter: blur(6px); }
[data-theme="light"] .zx-search-layer__veil, [data-theme="light"] .zx-drawer__veil { background: rgba(236,231,222,.75); }
.zx-search-layer__panel {
  position: absolute; top: 0; left: 0; right: 0; padding: 5rem 2rem 2.5rem;
  background: var(--zx-charcoal); clip-path: var(--zx-cut); box-shadow: var(--zx-shadow-lg);
  transform: translateY(-100%); transition: transform .5s var(--zx-ease);
}
.zx-search-layer.is-open .zx-search-layer__panel { transform: translateY(0); }
.zx-search-layer__form { display: flex; gap: .75rem; max-width: 640px; margin: 1rem 0; }
.zx-search-layer__form input { flex: 1; font-size: 1rem; }
.zx-search-layer__hints { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; font-family: var(--zx-mono); font-size: .65rem; color: var(--zx-text-dim); }
.zx-search-layer__hints button {
  padding: .35rem .75rem; border: 1px solid var(--zx-border); font-family: var(--zx-mono);
  font-size: .62rem; color: var(--zx-copper); clip-path: polygon(6% 0, 100% 0, 94% 100%, 0 100%);
}
.zx-search-layer__hints button:hover { background: var(--zx-mist); }
.zx-drawer__panel {
  position: absolute; top: 0; right: 0; width: min(320px, 88vw); height: 100%;
  padding: 5rem 2rem 2rem; background: var(--zx-charcoal); border-left: 1px solid var(--zx-border);
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%); box-shadow: var(--zx-shadow-lg);
  transform: translateX(100%); transition: transform .45s cubic-bezier(.4,0,.2,1);
  display: flex; flex-direction: column; gap: .15rem;
}
.zx-drawer.is-open .zx-drawer__panel { transform: translateX(0); }
.zx-drawer__panel > a {
  display: block; padding: .85rem 0; font-family: var(--zx-serif); font-size: 1.15rem;
  color: var(--zx-text); border-bottom: 1px solid var(--zx-border); transition: color .2s, padding-left .25s;
}
.zx-drawer__panel > a:hover { color: var(--zx-copper); padding-left: .5rem; }
.zx-drawer__meta { margin-top: auto; padding-top: 1.5rem; font-family: var(--zx-mono); font-size: .65rem; color: var(--zx-text-dim); display: flex; flex-direction: column; gap: .35rem; }

/* Story shell */
.zx-story { scroll-snap-type: y proximity; }
.zx-chapter { scroll-snap-align: start; position: relative; }
.zx-chapter:not(:last-child)::after {
  content: ''; position: absolute; bottom: 0; left: 5%; right: 5%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--zx-copper), transparent); opacity: .25;
}
.zx-chapter.is-active { z-index: 1; }
.zx-chapter.is-active .zx-chapter-badge { color: var(--zx-copper-light); border-left-color: var(--zx-rust); }

.zx-chapter--prologue {
  background:
    radial-gradient(ellipse 80% 60% at 75% 30%, rgba(184,146,90,.09), transparent 50%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(139,58,42,.06), transparent 45%);
  min-height: 100vh;
}

/* Ch.00 Portal Hero */
.zx-portal {
  position: relative; min-height: 100vh; display: flex; flex-direction: column;
  justify-content: center; padding: calc(var(--zx-dock-h) + 2rem) 3rem 5rem; overflow: hidden;
}
.zx-portal__watermark {
  position: absolute; right: -2%; top: 50%; transform: translateY(-52%);
  font-family: var(--zx-serif); font-size: clamp(12rem, 28vw, 22rem); font-weight: 700;
  line-height: .85; color: transparent; -webkit-text-stroke: 1px rgba(184,146,90,.12);
  pointer-events: none; z-index: 0; user-select: none;
}
.zx-portal__beam {
  position: absolute; top: 18%; left: -8%; width: 55%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--zx-copper), transparent);
  transform: rotate(-12deg); opacity: .45; z-index: 1;
}
.zx-portal__grain {
  position: absolute; inset: 0; opacity: .035; z-index: 1; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.zx-portal__grid {
  position: relative; z-index: 2; display: grid;
  grid-template-columns: 72px minmax(280px, 1fr) minmax(320px, 1.15fr);
  gap: 2.5rem 3rem; align-items: center; width: 100%; max-width: 1380px; margin: 0 auto;
}

.zx-portal__spine {
  display: flex; flex-direction: column; align-items: center; gap: 1.25rem;
  padding-top: 1rem;
}
.zx-portal__spine .zx-micro { writing-mode: vertical-rl; text-orientation: mixed; letter-spacing: .18em; }
.zx-portal__spine-line {
  width: 1px; height: 80px;
  background: linear-gradient(180deg, var(--zx-copper), transparent);
}
.zx-portal__stats {
  list-style: none; display: flex; flex-direction: column; gap: 1rem; text-align: center;
}
.zx-portal__stats li strong {
  display: block; font-family: var(--zx-serif); font-size: 1.35rem; color: var(--zx-copper-light); line-height: 1;
}
.zx-portal__stats li span {
  font-family: var(--zx-mono); font-size: .55rem; letter-spacing: .12em; color: var(--zx-text-dim); text-transform: uppercase;
}
.zx-portal__coords { writing-mode: vertical-rl; opacity: .5; margin-top: .5rem; }

.zx-portal__copy { max-width: 480px; }
.zx-portal__title { margin-bottom: 1.25rem; line-height: 1.02; }
.zx-portal__chapter {
  display: block; font-family: var(--zx-mono); font-size: .65rem; letter-spacing: .22em;
  color: var(--zx-rust); margin-bottom: .85rem;
}
.zx-portal__title em {
  display: block; font-family: var(--zx-serif); font-style: italic;
  font-size: clamp(3.2rem, 7.5vw, 6rem); color: var(--zx-text); letter-spacing: -.02em;
}
.zx-portal__tagline {
  display: block; font-family: var(--zx-sans); font-size: clamp(.82rem, 1.4vw, .95rem);
  font-weight: 400; color: var(--zx-text-dim); margin-top: .65rem; letter-spacing: .04em; line-height: 1.5;
}
.zx-portal__deck {
  font-size: .92rem; color: var(--zx-text-dim); margin-bottom: 2rem; max-width: 420px; line-height: 1.75;
}
.zx-portal__actions { display: flex; gap: .85rem; flex-wrap: wrap; }

.zx-portal__frame {
  position: relative; min-height: clamp(420px, 52vh, 580px);
  perspective: 1200px;
}
.zx-portal__layer { position: absolute; transition: transform .5s var(--zx-ease); will-change: transform; }
.zx-portal__layer--back {
  top: 8%; right: 5%; width: 58%; z-index: 0; opacity: .35;
  filter: blur(1px) saturate(.7);
}
.zx-portal__layer--back img {
  width: 100%; aspect-ratio: 4/5; object-fit: cover;
  clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%);
}
.zx-portal__layer--main {
  top: 0; left: 0; width: 72%; z-index: 2;
}
.zx-portal__layer--main img {
  width: 100%; aspect-ratio: 4/5; object-fit: cover;
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
  box-shadow: var(--zx-shadow-lg);
  transition: opacity .35s var(--zx-ease), filter .35s;
}
.zx-portal__layer--main img.is-switching { opacity: .4; filter: blur(4px); }
.zx-portal__frame-label {
  position: absolute; top: 1rem; left: 1.25rem; z-index: 3;
  font-family: var(--zx-mono); font-size: .6rem; letter-spacing: .14em;
  padding: .35rem .65rem; background: rgba(7,6,5,.75); border: 1px solid var(--zx-copper);
  color: var(--zx-copper-light);
}

.zx-portal__commerce {
  position: absolute; bottom: -1rem; right: -1rem; z-index: 4; width: min(100%, 280px);
  padding: 1.25rem 1.35rem; background: rgba(26,23,20,.88);
  backdrop-filter: blur(14px); border: 1px solid rgba(184,146,90,.35);
  clip-path: polygon(0 8%, 100% 0, 100% 100%, 0 92%);
  box-shadow: var(--zx-shadow-overlap);
}
.zx-portal__commerce h2 {
  font-family: var(--zx-serif); font-size: 1.05rem; font-weight: 500;
  margin: .4rem 0 .5rem; line-height: 1.3;
}
.zx-portal__commerce p {
  font-size: .78rem; color: var(--zx-text-dim); margin-bottom: .85rem; line-height: 1.55;
}
.zx-portal__commerce-foot {
  display: flex; align-items: center; justify-content: space-between; gap: .75rem;
}
.zx-portal__commerce-foot strong {
  font-family: var(--zx-mono); font-size: .85rem; color: var(--zx-copper-light);
}

.zx-portal__frame-nav {
  position: absolute; bottom: 2.5rem; left: 0; z-index: 5;
  display: flex; gap: .5rem;
}
.zx-portal__frame-btn {
  font-family: var(--zx-mono); font-size: .58rem; letter-spacing: .1em;
  padding: .45rem .7rem; border: 1px solid var(--zx-border); color: var(--zx-text-dim);
  transition: border-color .25s, color .25s, background .25s;
}
.zx-portal__frame-btn.is-active,
.zx-portal__frame-btn:hover {
  border-color: var(--zx-copper); color: var(--zx-copper-light); background: rgba(184,146,90,.08);
}

.zx-portal__marquee {
  position: relative; z-index: 2; margin-top: 3rem; overflow: hidden;
  border-top: 1px solid var(--zx-border); padding-top: 1rem;
}
.zx-portal__marquee-track {
  display: flex; width: max-content;
  animation: zx-marquee 28s linear infinite;
}
.zx-portal__marquee-track span {
  font-family: var(--zx-mono); font-size: .62rem; letter-spacing: .16em;
  color: var(--zx-text-dim); white-space: nowrap; padding-right: 3rem; text-transform: uppercase;
}
@keyframes zx-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.zx-portal__scroll {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: .35rem;
  color: var(--zx-text-dim); transition: color .25s, transform .25s;
  animation: zx-scroll-pulse 2.5s ease-in-out infinite;
}
.zx-portal__scroll:hover { color: var(--zx-copper); transform: translateX(-50%) translateY(3px); }
@keyframes zx-scroll-pulse {
  0%, 100% { opacity: .5; }
  50% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .zx-portal__marquee-track { animation: none; }
  .zx-portal__scroll { animation: none; }
  .zx-portal__layer { transition: none; }
}
.zx-chapter--origin { z-index: 2; }
.zx-chapter--stream { background: linear-gradient(180deg, transparent, rgba(184,146,90,.03) 50%, transparent); }
.zx-chapter--creed { z-index: 3; }
.zx-chapter--chromatic { background: radial-gradient(circle at 80% 20%, rgba(139,58,42,.08), transparent 45%); }
.zx-chapter--echo { z-index: 2; }
.zx-chapter--commit { z-index: 4; }

/* Ch.01 Origin */
.zx-origin { padding: 5.5rem 3.5rem; background: var(--zx-surface); clip-path: var(--zx-cut-reverse); margin-top: -28px; }
.zx-origin__head { max-width: 520px; margin-bottom: 3rem; }
.zx-origin__head h2 { font-size: clamp(2rem, 4vw, 3rem); }
.zx-origin__head h2 em { display: inline; font-style: italic; }
.zx-origin__head p { color: var(--zx-text-dim); margin-top: .75rem; max-width: 460px; }
.zx-origin__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.zx-origin__visual { position: relative; }
.zx-origin__visual > img { width: 100%; aspect-ratio: 4/5; object-fit: cover; clip-path: var(--zx-slant); box-shadow: var(--zx-shadow-md); }
.zx-origin__overlap {
  position: absolute; bottom: -2rem; right: -1.5rem; width: 45%; padding: 1rem;
  background: var(--zx-panel); border: 1px solid var(--zx-border); clip-path: polygon(0 12%, 100% 0, 100% 100%, 0 88%);
  box-shadow: var(--zx-shadow-sm); font-family: var(--zx-mono); font-size: .62rem; color: var(--zx-copper);
}
.zx-origin__timeline { list-style: none; border-left: 2px solid var(--zx-copper); padding-left: 2rem; display: flex; flex-direction: column; gap: 2.5rem; }
.zx-origin__beat { position: relative; }
.zx-origin__beat::before { content: ''; position: absolute; left: calc(-2rem - 5px); top: .35rem; width: 8px; height: 8px; background: var(--zx-copper); transform: rotate(45deg); }
.zx-origin__beat strong { display: block; font-family: var(--zx-mono); font-size: .65rem; color: var(--zx-rust); letter-spacing: .12em; margin-bottom: .35rem; }
.zx-origin__beat h3 { font-size: 1.25rem; margin-bottom: .5rem; }
.zx-origin__beat p { font-size: .9rem; color: var(--zx-text-dim); }

/* Ch.02 Stream */
.zx-stream { padding: 5rem 0 4rem; overflow: hidden; }
.zx-stream__head { padding: 0 3.5rem 2.5rem; max-width: 640px; }
.zx-stream__head h2 { font-size: clamp(2rem, 4vw, 3rem); }
.zx-stream__head p { color: var(--zx-text-dim); margin-top: .65rem; font-size: .92rem; }
.zx-stream__rail {
  display: flex; gap: 1.75rem; padding: 0 3.5rem 1.5rem; overflow-x: auto;
  scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none;
}
.zx-stream__rail::-webkit-scrollbar { display: none; }
.zx-stream__frame {
  flex: 0 0 clamp(280px, 36vw, 400px); scroll-snap-align: start; background: var(--zx-panel);
  border: 1px solid var(--zx-border); clip-path: polygon(0 0, 100% 5%, 100% 100%, 0 95%);
  box-shadow: var(--zx-shadow-sm); transition: transform .4s var(--zx-ease), box-shadow .4s;
}
.zx-stream__frame:hover { transform: translateY(-8px) skewX(-.5deg); box-shadow: var(--zx-shadow-md); }
.zx-stream__frame-img { position: relative; overflow: hidden; }
.zx-stream__frame-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform .55s var(--zx-ease); }
.zx-stream__frame:hover .zx-stream__frame-img img { transform: scale(1.06); }
.zx-stream__frame-badge {
  position: absolute; top: .75rem; left: .75rem; padding: .3rem .65rem; background: var(--zx-glass);
  backdrop-filter: blur(8px); font-family: var(--zx-mono); font-size: .55rem; letter-spacing: .1em;
  color: var(--zx-copper-light); clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
}
.zx-stream__frame-body { padding: 1.25rem 1.35rem 1.5rem; }
.zx-stream__frame-body h3 { font-size: 1.2rem; margin: .35rem 0 .5rem; }
.zx-stream__frame-body > p { font-size: .85rem; color: var(--zx-text-dim); line-height: 1.6; margin-bottom: .65rem; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.zx-stream__frame-meta { display: flex; justify-content: space-between; margin: .75rem 0 1rem; font-family: var(--zx-mono); font-size: .72rem; }
.zx-stream__frame-meta strong { color: var(--zx-copper); font-size: .85rem; }
.zx-stream__scroll-hint {
  text-align: center; padding: 1rem; font-family: var(--zx-mono); font-size: .6rem;
  letter-spacing: .14em; color: var(--zx-text-dim); opacity: .5; animation: zx-shimmer 2.4s ease-in-out infinite;
}
.zx-stream__scroll-hint::after {
  content: '→'; display: inline-block; margin-left: .5rem; animation: zx-scroll-nudge 1.6s ease-in-out infinite;
}

/* Ch.03 Creed */
.zx-creed { min-height: 200vh; position: relative; }
.zx-creed__sticky {
  position: sticky; top: var(--zx-dock-h); min-height: calc(100vh - var(--zx-dock-h));
  padding: 4rem 3.5rem; display: flex; flex-direction: column; justify-content: center;
}
.zx-creed__head h2 { font-size: clamp(2rem, 4vw, 2.75rem); margin-bottom: 2rem; }
.zx-creed__head p { color: var(--zx-text-dim); max-width: 480px; font-size: .92rem; }
.zx-creed__layout { display: grid; grid-template-columns: 1fr 340px; gap: 3rem; align-items: start; }
.zx-creed__list { list-style: none; display: flex; flex-direction: column; gap: 1.75rem; }
.zx-creed__item { display: grid; grid-template-columns: 48px 1fr; gap: 1.25rem; padding-bottom: 1.75rem; border-bottom: 1px solid var(--zx-border); }
.zx-creed__num { font-family: var(--zx-serif); font-size: 1.75rem; font-style: italic; color: var(--zx-copper); line-height: 1; }
.zx-creed__item h3 { font-size: 1.1rem; margin-bottom: .35rem; }
.zx-creed__item p { font-size: .88rem; color: var(--zx-text-dim); }
.zx-creed__commerce { position: relative; margin-top: 2rem; }
.zx-creed__card {
  background: var(--zx-panel); border: 1px solid var(--zx-border); clip-path: polygon(0 0, 100% 8%, 100% 100%, 8% 100%);
  box-shadow: var(--zx-shadow-overlap); overflow: hidden; transform: translateY(-24px);
}
.zx-creed__card > img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.zx-creed__card-body { padding: 1.25rem 1.5rem 1.5rem; }
.zx-creed__card-body h3 { font-size: 1.15rem; margin: .35rem 0; }
.zx-creed__card-body strong { display: block; font-family: var(--zx-mono); font-size: .9rem; color: var(--zx-copper); margin-bottom: 1rem; }

/* Ch.04 Atelier */
.zx-atelier { padding: 5rem 3.5rem; background: var(--zx-charcoal); clip-path: var(--zx-cut); margin-top: -28px; }
.zx-atelier__head { margin-bottom: 2.5rem; }
.zx-atelier__head h2 { font-size: clamp(2rem, 4vw, 3rem); }
.zx-atelier__head p { color: var(--zx-text-dim); margin-top: .65rem; max-width: 520px; }
.zx-atelier__stage { display: grid; grid-template-columns: 100px 1fr; gap: 2rem; align-items: start; }
.zx-atelier__thumbs { display: flex; flex-direction: column; gap: .65rem; }
.zx-atelier__thumb {
  width: 100%; aspect-ratio: 1; overflow: hidden; border: 2px solid transparent;
  clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%); opacity: .45; transition: opacity .3s, border-color .3s, transform .3s;
}
.zx-atelier__thumb img { width: 100%; height: 100%; object-fit: cover; }
.zx-atelier__thumb:hover { opacity: .75; }
.zx-atelier__thumb.is-active { opacity: 1; border-color: var(--zx-copper); transform: skewX(-2deg); }
.zx-atelier__display { display: grid; grid-template-columns: 1.2fr .8fr; gap: 2rem; align-items: start; }
.zx-atelier__hero { overflow: hidden; clip-path: var(--zx-slant); box-shadow: var(--zx-shadow-lg); }
.zx-atelier__hero img { width: 100%; aspect-ratio: 16/10; object-fit: cover; transition: transform .5s var(--zx-ease), opacity .35s; }
.zx-atelier__hero img.is-switching { opacity: 0; transform: scale(1.02); }
.zx-atelier__spec h3 { font-size: 1.5rem; margin: .5rem 0; }
.zx-atelier__dl { display: grid; grid-template-columns: auto 1fr; gap: .35rem 1.25rem; margin: 1.25rem 0 1.5rem; font-size: .85rem; }
.zx-atelier__dl dt { font-family: var(--zx-mono); font-size: .62rem; letter-spacing: .1em; color: var(--zx-text-dim); }

/* Ch.05 Chromatic */
.zx-chromatic { padding: 5rem 3.5rem; overflow: hidden; }
.zx-chromatic__head { margin-bottom: 2.5rem; }
.zx-chromatic__head h2 { font-size: clamp(2rem, 4vw, 3rem); }
.zx-chromatic__head p { color: var(--zx-text-dim); margin-top: .65rem; max-width: 500px; font-size: .9rem; }
.zx-chromatic__lab { display: grid; grid-template-columns: 1.4fr .6fr; gap: 2.5rem; align-items: center; }
.zx-chromatic__viewport { position: relative; overflow: hidden; clip-path: polygon(0 6%, 100% 0, 100% 94%, 0 100%); box-shadow: var(--zx-shadow-lg); }
.zx-chromatic__viewport img {
  width: 100%; aspect-ratio: 16/9; object-fit: cover;
  filter: hue-rotate(calc(var(--distort) * 45deg)) saturate(calc(1 + var(--distort) * .8))
          contrast(calc(1 + var(--distort) * .3)) blur(calc(var(--distort) * 2px));
  transform: scale(calc(1 + var(--distort) * .04));
  transition: filter .12s linear, transform .12s linear;
}
.zx-chromatic__lab[data-distort-active] .zx-chromatic__controls { border-color: var(--zx-copper); box-shadow: inset 0 0 0 1px rgba(184,146,90,.15); }
.zx-chromatic__overlay {
  position: absolute; inset: 0; pointer-events: none; mix-blend-mode: overlay;
  background: linear-gradient(calc(45deg + var(--distort) * 30deg), rgba(139,58,42,calc(var(--distort) * .35)), transparent 60%);
}
.zx-chromatic__controls { padding: 2rem; background: var(--zx-panel); border: 1px solid var(--zx-border); clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%); }
.zx-chromatic__controls input[type="range"] { width: 100%; margin: 1rem 0; accent-color: var(--zx-copper); background: transparent; border: none; padding: 0; box-shadow: none; }
.zx-chromatic__labels { display: flex; justify-content: space-between; font-family: var(--zx-mono); font-size: .58rem; color: var(--zx-text-dim); margin-bottom: 1.25rem; }

/* Ch.06 Atlas */
.zx-atlas { padding: 5rem 0 4rem; background: var(--zx-surface); clip-path: var(--zx-cut-reverse); margin-top: -28px; }
.zx-atlas__head { padding: 0 3.5rem 2rem; }
.zx-atlas__head h2 { font-size: clamp(2rem, 4vw, 3rem); }
.zx-atlas__head p { color: var(--zx-text-dim); margin-top: .65rem; max-width: 480px; font-size: .9rem; }
.zx-atlas__ribbon { display: flex; gap: 1.5rem; padding: 0 3.5rem 1rem; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
.zx-atlas__ribbon::-webkit-scrollbar { display: none; }
.zx-atlas__card {
  flex: 0 0 clamp(260px, 32vw, 340px); scroll-snap-align: center; background: var(--zx-panel);
  border: 1px solid var(--zx-border); clip-path: polygon(0 0, 100% 0, 96% 100%, 4% 100%); box-shadow: var(--zx-shadow-sm);
  transition: transform .35s var(--zx-ease);
}
.zx-atlas__card:hover { transform: translateY(-6px); }
.zx-atlas__card-img img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.zx-atlas__card-body { padding: 1.15rem 1.25rem 1.35rem; }
.zx-atlas__card-body h3 { font-size: 1.1rem; margin-bottom: .35rem; }
.zx-atlas__card-body p { font-size: .82rem; color: var(--zx-text-dim); margin-bottom: .75rem; }
.zx-atlas__card-body dl { display: flex; gap: 1.25rem; font-family: var(--zx-mono); font-size: .65rem; color: var(--zx-copper); margin-bottom: 1rem; }
.zx-atlas__card-body dt { opacity: .65; }
.zx-atlas__card-body dd { font-weight: 500; }

/* Story commerce shell */
[data-story-commerce] .zx-stream__frame[data-active] { border-color: var(--zx-copper); box-shadow: var(--zx-shadow-md); }
[data-story-commerce] .zx-creed__card { animation: zx-fade-rise .8s var(--zx-ease) both; }

/* Contact info detail */
.zx-contact-info strong { font-family: var(--zx-mono); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; color: var(--zx-copper); }
.zx-contact-info a { word-break: break-all; }
.zx-contact-access h3 { font-family: var(--zx-serif); font-size: 1.1rem; margin-bottom: .5rem; color: var(--zx-text); }
.zx-contact-access p { color: var(--zx-text-dim); line-height: 1.65; }

/* About section headers */
.zx-about-mission__head h2, .zx-about-values__head h2, .zx-about-timeline__head h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); }
.zx-about-mission__head p, .zx-about-values__head p, .zx-about-timeline__head p { color: var(--zx-text-dim); margin-top: .5rem; }

/* Shop process detail */
.zx-shop-process__head h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); margin-top: .5rem; }
.zx-shop-process__head p { color: var(--zx-text-dim); margin-top: .5rem; max-width: 560px; margin-left: auto; margin-right: auto; }
.zx-shop-process__note a { color: var(--zx-copper); text-decoration: underline; text-underline-offset: 3px; }

/* Legal prose */
.zx-legal a { color: var(--zx-copper); text-decoration: underline; text-underline-offset: 2px; }
.zx-legal strong { color: var(--zx-text); font-weight: 500; }
.zx-legal table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: .85rem; }
.zx-legal th, .zx-legal td { border: 1px solid var(--zx-border); padding: .65rem .85rem; text-align: left; }
.zx-legal th { font-family: var(--zx-mono); font-size: .62rem; letter-spacing: .08em; color: var(--zx-copper); background: var(--zx-panel); }

/* Inner page body spacing (non-home) */
body:not(.page-home) .zx-main > section:last-of-type { padding-bottom: 1rem; }
body.page-shop .zx-main { background: linear-gradient(180deg, transparent, rgba(184,146,90,.02) 40%, transparent); }
body.page-about .zx-main { background: radial-gradient(ellipse at 70% 10%, rgba(139,58,42,.04), transparent 50%); }
body.page-contact .zx-main { background: linear-gradient(180deg, rgba(184,146,90,.03), transparent 30%); }
body.page-cart .zx-main { background: linear-gradient(180deg, transparent, rgba(184,146,90,.02)); }
body.page-faq .zx-main { background: linear-gradient(180deg, rgba(26,23,20,.02), transparent); }

/* Cart empty state */
.zx-cart-empty a { color: var(--zx-copper); font-family: var(--zx-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; }
.zx-cart-empty a:hover { color: var(--zx-copper-light); }

/* Coupon applied state */
.zx-cart-coupon.is-applied .zx-cart-coupon__hint { color: var(--zx-copper); opacity: 1; }
.zx-cart-coupon.is-applied input { border-color: var(--zx-copper); }

/* Newsletter feedback */
.zx-ledger__form.is-success input { border-color: var(--zx-copper); }
.zx-ledger__form.is-error input { border-color: var(--zx-rust); }

/* Search layer open body lock (JS toggles on html) */
html.is-search-open, html.is-menu-open { overflow: hidden; }

/* Origin overlap inner */
.zx-origin__overlap img { width: 100%; aspect-ratio: 1; object-fit: cover; clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%); }

/* Commit preview hover */
.zx-commit__preview:hover > img { transform: scale(1.02); transition: transform .6s var(--zx-ease); }
.zx-commit__preview-card { transition: transform .35s var(--zx-ease); }
.zx-commit__preview:hover .zx-commit__preview-card { transform: translateY(-4px); }

/* Gauge parallax depth via JS can set inline --depth on cells */
.zx-gauge__cell:nth-child(1) { z-index: 4; }
.zx-gauge__cell:nth-child(2) { z-index: 3; margin-top: 1rem; }
.zx-gauge__cell:nth-child(3) { z-index: 2; margin-top: 2rem; }
.zx-gauge__cell:nth-child(4) { z-index: 1; margin-top: 3rem; }

/* Atelier spec price if present */
.zx-atelier__spec > p { color: var(--zx-text-dim); font-size: .88rem; margin: .5rem 0 1rem; line-height: 1.6; }
.zx-atelier__spec strong.zx-atelier__price { display: block; font-family: var(--zx-mono); font-size: 1rem; color: var(--zx-copper); margin-bottom: 1rem; }

/* Drawer / search focus trap hint */
.zx-drawer.is-open ~ .zx-dock, .zx-search-layer.is-open ~ .zx-dock { pointer-events: none; }

/* Homepage scrollbar (subtle copper) */
.page-home::-webkit-scrollbar { width: 6px; }
.page-home::-webkit-scrollbar-track { background: var(--zx-charcoal); }
.page-home::-webkit-scrollbar-thumb { background: rgba(184,146,90,.35); border-radius: 0; }
.page-home::-webkit-scrollbar-thumb:hover { background: var(--zx-copper); }

/* Data-add-cart pulse on click */
.zx-btn[data-add-cart]:active { transform: scale(0.97); }
.zx-btn[data-add-cart].is-added { background: var(--zx-rust); color: var(--zx-cream); }

/* Stream frame active commerce highlight */
.zx-stream__frame:focus-within { outline: 2px solid var(--zx-copper); outline-offset: 4px; }

/* Creed commerce card image hover */
.zx-creed__card:hover > img { transform: scale(1.04); transition: transform .55s var(--zx-ease); }
.zx-creed__card > img { transition: transform .55s var(--zx-ease); }

/* Atlas ribbon scroll padding for snap */
.zx-atlas__ribbon { scroll-padding-inline: 3.5rem; }
.zx-stream__rail { scroll-padding-inline: 3.5rem; }

/* Page modifier: inner pages without chapter rail */
body:not(.page-home) .zx-dock__inner { max-width: 1280px; margin: 0 auto; width: 100%; }
body:not(.page-home) .zx-ledger__grid { padding-top: 3.5rem; }


/* Ch.07 Gauge */
.zx-gauge { padding: 5rem 3.5rem; position: relative; }
.zx-gauge__head { margin-bottom: 2.5rem; }
.zx-gauge__head h2 { font-size: clamp(2rem, 4vw, 3rem); }
.zx-gauge__head p { color: var(--zx-text-dim); margin-top: .65rem; max-width: 440px; font-size: .9rem; }
.zx-gauge__cell[data-depth="1"] { --depth: 1; }
.zx-gauge__cell[data-depth="2"] { --depth: 2; }
.zx-gauge__cell[data-depth="3"] { --depth: 3; }
.zx-gauge__cell:hover { transform: translateY(calc(var(--depth, 0) * -8px - 4px)); border-color: rgba(184,146,90,.35); }
.zx-gauge__depth { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; margin-bottom: -3rem; position: relative; z-index: 2; }
.zx-gauge__cell {
  padding: 1.75rem 1.25rem; background: var(--zx-panel); border: 1px solid var(--zx-border);
  clip-path: polygon(0 0, 100% 10%, 100% 100%, 0 90%); box-shadow: var(--zx-shadow-sm); text-align: center;
  transform: translateY(calc(var(--depth, 0) * -8px)); transition: transform .5s var(--zx-ease);
}
.zx-gauge__val { display: block; font-family: var(--zx-serif); font-size: clamp(2rem, 4vw, 2.75rem); color: var(--zx-copper); line-height: 1; margin-bottom: .35rem; }
.zx-gauge__val small { font-size: .45em; font-family: var(--zx-mono); color: var(--zx-text-dim); }
.zx-gauge__label { font-family: var(--zx-mono); font-size: .58rem; letter-spacing: .08em; color: var(--zx-text-dim); }
.zx-gauge__visual { margin-top: 1rem; clip-path: var(--zx-slant); overflow: hidden; box-shadow: var(--zx-shadow-lg); }
.zx-gauge__visual img { width: 100%; aspect-ratio: 2/1; object-fit: cover; opacity: .85; }

/* Ch.08 Echo */
.zx-echo { padding: 5rem 3.5rem 6rem; background: var(--zx-charcoal); clip-path: var(--zx-cut); margin-top: -28px; overflow: hidden; }
.zx-echo__head { margin-bottom: 3rem; }
.zx-echo__head h2 { font-size: clamp(2rem, 4vw, 3rem); }
.zx-echo__head p { color: var(--zx-text-dim); margin-top: .65rem; max-width: 460px; font-size: .9rem; }
.zx-echo__fragment:hover { z-index: 5; box-shadow: var(--zx-shadow-lg); transform: rotate(0deg) translateY(-4px) translateX(var(--echo-offset, 0)) !important; }
.zx-echo__fragments { position: relative; min-height: 420px; }
.zx-echo__fragment {
  position: absolute; width: min(340px, 42vw); padding: 1.5rem 1.75rem;
  background: var(--zx-panel); border: 1px solid var(--zx-border); clip-path: polygon(0 0, 100% 6%, 100% 100%, 6% 100%);
  box-shadow: var(--zx-shadow-md); font-style: normal; transform: translateX(var(--echo-offset, 0));
}
.zx-echo__fragment:nth-child(1) { top: 0; left: 5%; transform: rotate(-1.5deg) translateX(var(--echo-offset, 0)); }
.zx-echo__fragment:nth-child(2) { top: 80px; left: 38%; transform: rotate(1deg) translateX(var(--echo-offset, 0)); z-index: 2; }
.zx-echo__fragment:nth-child(3) { top: 160px; left: 62%; transform: rotate(-.5deg) translateX(var(--echo-offset, 0)); z-index: 1; }
.zx-echo__fragment p { font-size: .88rem; color: var(--zx-text-dim); margin: .75rem 0 1rem; line-height: 1.65; }
.zx-echo__chapter { font-family: var(--zx-mono); font-size: .58rem; color: var(--zx-rust); letter-spacing: .12em; }
.zx-echo__fragment footer { font-family: var(--zx-mono); font-size: .6rem; color: var(--zx-copper); }
.zx-echo__fragment cite { display: block; font-style: normal; font-family: var(--zx-serif); font-size: 1rem; color: var(--zx-text); margin-bottom: .2rem; }

/* Ch.09 Commit */
.zx-commit { position: relative; padding: 6rem 3.5rem; overflow: hidden; }
.zx-commit__slant {
  position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(168deg, var(--zx-rust), var(--zx-charcoal) 42%, var(--zx-ink));
  clip-path: polygon(0 18%, 100% 0, 100% 100%, 0 100%);
}
[data-theme="light"] .zx-commit__slant { background: linear-gradient(168deg, var(--zx-copper), var(--zx-charcoal) 50%, var(--zx-panel)); }
.zx-commit__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 380px; gap: 3rem; align-items: center; }
.zx-commit__copy h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1rem; }
.zx-commit__copy > p { color: var(--zx-text-dim); margin-bottom: 1.5rem; max-width: 480px; }
.zx-commit__points { list-style: none; margin-bottom: 2rem; }
.zx-commit__points li { padding: .5rem 0 .5rem 1.25rem; position: relative; font-size: .9rem; }
.zx-commit__points li::before { content: '—'; position: absolute; left: 0; color: var(--zx-copper); font-family: var(--zx-mono); }
.zx-commit__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.zx-commit__preview { position: relative; }
.zx-commit__preview > img { width: 100%; aspect-ratio: 4/5; object-fit: cover; clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%); box-shadow: var(--zx-shadow-overlap); }
.zx-commit__preview-card {
  position: absolute; bottom: -1.5rem; left: -1.5rem; padding: 1.25rem 1.5rem;
  background: var(--zx-glass); backdrop-filter: blur(12px); border: 1px solid var(--zx-border);
  clip-path: polygon(0 0, 100% 12%, 100% 100%, 12% 100%); box-shadow: var(--zx-shadow-md); min-width: 200px;
}
.zx-commit__preview-card h3 { font-size: 1.1rem; margin: .35rem 0; }
.zx-commit__preview-card strong { font-family: var(--zx-mono); font-size: .9rem; color: var(--zx-copper); }

/* Inner page head */
.zx-page-head {
  padding: 5rem 2.5rem 3rem; max-width: 900px; margin: 0 auto; text-align: center;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), 50% 100%, 0 calc(100% - 20px));
  background: linear-gradient(180deg, var(--zx-charcoal), transparent);
}
.zx-page-head h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); margin-bottom: .75rem; }
.zx-page-head p { color: var(--zx-text-dim); max-width: 520px; margin: 0 auto; }
.zx-page-head--shop { background: linear-gradient(180deg, var(--zx-charcoal), rgba(184,146,90,.04), transparent); }
.zx-page-head--about { background: linear-gradient(180deg, var(--zx-charcoal), rgba(139,58,42,.05), transparent); }
.zx-page-head--faq { background: linear-gradient(180deg, var(--zx-panel), transparent); }
.zx-page-head--contact { background: linear-gradient(180deg, var(--zx-charcoal), rgba(184,146,90,.06), transparent); }
.zx-page-head--cart { background: linear-gradient(180deg, var(--zx-panel), transparent); }
.zx-page-head--legal { background: linear-gradient(180deg, var(--zx-charcoal), transparent); padding-bottom: 2rem; }

/* About */
.zx-about-story { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; padding: 3rem 2.5rem; max-width: 1200px; margin: 0 auto; align-items: center; }
.zx-about-story__visual { position: relative; }
.zx-about-story__visual > img { width: 100%; aspect-ratio: 4/5; object-fit: cover; clip-path: var(--zx-slant); box-shadow: var(--zx-shadow-md); }
.zx-about-story__overlap { position: absolute; bottom: -1.5rem; right: -1rem; width: 50%; padding: 1rem; background: var(--zx-panel); border-left: 3px solid var(--zx-copper); font-family: var(--zx-mono); font-size: .65rem; }
.zx-about-story__copy h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); margin-bottom: 1rem; }
.zx-about-story__copy p { color: var(--zx-text-dim); margin-bottom: 1.5rem; }
.zx-about-mission { padding: 4rem 2.5rem; background: var(--zx-surface); clip-path: var(--zx-cut-reverse); }
.zx-about-mission__head, .zx-about-values__head, .zx-about-timeline__head { text-align: center; margin-bottom: 2.5rem; }
.zx-about-mission__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; max-width: 1100px; margin: 0 auto; align-items: center; }
.zx-about-mission__quote { font-family: var(--zx-serif); font-size: clamp(1.5rem, 3vw, 2.25rem); font-style: italic; line-height: 1.35; padding-left: 1.5rem; border-left: 3px solid var(--zx-copper); color: var(--zx-copper-light); }
.zx-about-mission__body p { color: var(--zx-text-dim); margin-bottom: 1rem; }
.zx-about-values { padding: 4rem 2.5rem; max-width: 1100px; margin: 0 auto; }
.zx-about-values__list { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.zx-about-values__item { padding: 1.75rem 1.5rem; background: var(--zx-panel); border: 1px solid var(--zx-border); clip-path: polygon(0 0, 100% 8%, 100% 100%, 0 92%); transition: transform .3s, box-shadow .3s; }
.zx-about-values__item:hover { transform: translateY(-4px); box-shadow: var(--zx-shadow-sm); }
.zx-about-values__icon { display: block; font-size: 1.5rem; margin-bottom: .75rem; }
.zx-about-values__item h3 { font-size: 1.05rem; margin-bottom: .35rem; }
.zx-about-values__item p { font-size: .85rem; color: var(--zx-text-dim); }
.zx-about-timeline { padding: 4rem 2.5rem; background: var(--zx-charcoal); }
.zx-about-timeline__track { list-style: none; max-width: 700px; margin: 0 auto; border-left: 2px solid var(--zx-copper); padding-left: 2rem; display: flex; flex-direction: column; gap: 2rem; }
.zx-about-timeline__node { position: relative; }
.zx-about-timeline__node::before { content: ''; position: absolute; left: calc(-2rem - 5px); top: .4rem; width: 8px; height: 8px; background: var(--zx-copper); transform: rotate(45deg); }
.zx-about-timeline__node strong { font-family: var(--zx-mono); font-size: .65rem; color: var(--zx-rust); letter-spacing: .1em; }
.zx-about-timeline__node h3 { font-size: 1.15rem; margin: .25rem 0 .35rem; }
.zx-about-timeline__node p { font-size: .88rem; color: var(--zx-text-dim); }
.zx-about-location { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; padding: 4rem 2.5rem; max-width: 1100px; margin: 0 auto; align-items: center; }
.zx-about-location__copy h2 { font-size: 1.75rem; margin: .75rem 0 1rem; }
.zx-about-location__copy p { color: var(--zx-text-dim); margin-bottom: .75rem; }
.zx-about-location__copy address { font-style: normal; margin-bottom: 1.25rem; line-height: 1.8; }
.zx-about-location__map { clip-path: var(--zx-slant); overflow: hidden; box-shadow: var(--zx-shadow-md); }
.zx-about-location__map iframe { width: 100%; aspect-ratio: 4/3; border: 0; }
.zx-about-cta { text-align: center; padding: 4rem 2.5rem 5rem; background: var(--zx-panel); clip-path: var(--zx-cut); }
.zx-about-cta h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); margin-bottom: .75rem; }
.zx-about-cta p { color: var(--zx-text-dim); margin-bottom: 1.5rem; }

/* Shop */
.zx-shop-deck { display: grid; grid-template-columns: 220px 1fr; gap: 2.5rem; padding: 2rem 2.5rem 4rem; max-width: 1280px; margin: 0 auto; }
.zx-shop-filter { position: sticky; top: calc(var(--zx-dock-h) + 1.5rem); align-self: start; padding: 1.5rem; background: var(--zx-panel); border: 1px solid var(--zx-border); clip-path: polygon(0 0, 100% 6%, 100% 100%, 0 94%); }
.zx-shop-filter__nav { display: flex; flex-direction: column; gap: .35rem; margin: 1rem 0 1.5rem; }
.zx-shop-filter__btn {
  text-align: left; padding: .55rem .75rem; font-family: var(--zx-mono); font-size: .65rem;
  letter-spacing: .08em; color: var(--zx-text-dim); border-left: 2px solid transparent; transition: color .2s, border-color .2s, background .2s;
}
.zx-shop-filter__btn:hover { color: var(--zx-text); }
.zx-shop-filter__btn.is-active { color: var(--zx-copper); border-left-color: var(--zx-copper); background: var(--zx-mist); }
.zx-shop-filter__sort select { width: 100%; margin-top: .35rem; }
.zx-shop-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.75rem; }
.zx-shop-card {
  background: var(--zx-panel); border: 1px solid var(--zx-border); clip-path: polygon(0 0, 100% 4%, 100% 100%, 0 96%);
  overflow: hidden; transition: transform .35s var(--zx-ease), box-shadow .35s, opacity .35s;
}
.zx-shop-card:hover { transform: translateY(-6px); box-shadow: var(--zx-shadow-md); }
.zx-shop-card.is-hidden { display: none; }
.zx-shop-card.is-filtered-out { opacity: 0; transform: scale(0.96); pointer-events: none; position: absolute; visibility: hidden; }
.zx-shop-card__img { position: relative; overflow: hidden; }
.zx-shop-card__img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform .5s var(--zx-ease); }
.zx-shop-card:hover .zx-shop-card__img img { transform: scale(1.05); }
.zx-shop-card__badge { position: absolute; top: .65rem; left: .65rem; padding: .25rem .6rem; background: var(--zx-glass); font-family: var(--zx-mono); font-size: .55rem; color: var(--zx-copper-light); clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%); }
.zx-shop-card__body { padding: 1.15rem 1.25rem 1.35rem; }
.zx-shop-card__body h3 { font-size: 1.15rem; margin: .35rem 0 .5rem; }
.zx-shop-card__body > p { font-size: .85rem; color: var(--zx-text-dim); margin-bottom: .75rem; }
.zx-shop-card__spec { display: grid; grid-template-columns: auto 1fr; gap: .25rem .75rem; font-size: .78rem; margin-bottom: 1rem; }
.zx-shop-card__spec dt { font-family: var(--zx-mono); font-size: .58rem; color: var(--zx-text-dim); }
.zx-shop-card__foot { display: flex; justify-content: space-between; align-items: center; }
.zx-shop-card__foot strong { font-family: var(--zx-mono); font-size: .85rem; color: var(--zx-copper); }
.zx-shop-process { padding: 4rem 2.5rem; background: var(--zx-surface); clip-path: var(--zx-cut-reverse); text-align: center; }
.zx-shop-process__head { margin-bottom: 2rem; }
.zx-shop-process__steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; max-width: 1000px; margin: 0 auto 1.5rem; counter-reset: shopstep; }
.zx-shop-process__steps li { padding: 1.5rem 1rem; background: var(--zx-panel); border: 1px solid var(--zx-border); clip-path: polygon(0 0, 100% 10%, 100% 100%, 0 90%); counter-increment: shopstep; }
.zx-shop-process__steps li::before { content: counter(shopstep, decimal-leading-zero); display: block; font-family: var(--zx-mono); font-size: .65rem; color: var(--zx-copper); margin-bottom: .5rem; }
.zx-shop-process__steps strong { display: block; font-size: .95rem; margin-bottom: .35rem; }
.zx-shop-process__steps span { font-size: .8rem; color: var(--zx-text-dim); }
.zx-shop-process__note { max-width: 640px; margin: 0 auto; }

/* FAQ */
.zx-faq-deck { max-width: 820px; margin: 0 auto; padding: 2rem 2.5rem 3rem; }
.zx-faq-tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem; border-bottom: 1px solid var(--zx-border); padding-bottom: 1rem; }
.zx-faq-tab {
  padding: .55rem 1.1rem; font-family: var(--zx-mono); font-size: .65rem; letter-spacing: .1em;
  color: var(--zx-text-dim); border: 1px solid var(--zx-border); clip-path: polygon(6% 0, 100% 0, 94% 100%, 0 100%);
}
.zx-faq-tab:hover { color: var(--zx-text); border-color: var(--zx-copper); }
.zx-faq-tab.is-active { color: var(--zx-ink); background: var(--zx-copper); border-color: var(--zx-copper); }
.zx-faq-item[open] { border-color: rgba(184,146,90,.35); box-shadow: var(--zx-shadow-sm); }
.zx-faq-item[open] summary { color: var(--zx-copper-light); }
.zx-faq-panel { display: none; }
.zx-faq-panel.is-active { display: block; }
.zx-faq-accordion { display: flex; flex-direction: column; gap: .65rem; }
.zx-faq-item { background: var(--zx-panel); border: 1px solid var(--zx-border); clip-path: polygon(0 0, 100% 0, 99% 100%, 1% 100%); }
.zx-faq-item summary { padding: 1.1rem 1.25rem; font-family: var(--zx-serif); font-size: 1.05rem; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.zx-faq-item summary::-webkit-details-marker { display: none; }
.zx-faq-item summary::after { content: '+'; font-family: var(--zx-mono); color: var(--zx-copper); transition: transform .25s; }
.zx-faq-item[open] summary::after { transform: rotate(45deg); }
.zx-faq-item__answer { padding: 0 1.25rem 1.25rem; font-size: .9rem; color: var(--zx-text-dim); border-top: 1px solid var(--zx-border); padding-top: 1rem; margin: 0 1.25rem 1.25rem; }
.zx-faq-cta { text-align: center; padding: 3rem 2.5rem 5rem; background: var(--zx-charcoal); clip-path: var(--zx-cut); }
.zx-faq-cta h2 { font-size: 1.75rem; margin-bottom: .5rem; }
.zx-faq-cta p { color: var(--zx-text-dim); margin-bottom: 1.25rem; }

/* Contact */
.zx-contact-deck { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; max-width: 1100px; margin: 0 auto; padding: 2rem 2.5rem 3rem; }
.zx-contact-info h2 { font-size: 1.5rem; margin-bottom: 1rem; }
.zx-contact-info p { color: var(--zx-text-dim); margin-bottom: .75rem; }
.zx-contact-info address { font-style: normal; line-height: 1.8; margin-bottom: 1rem; }
.zx-contact-access { margin-top: 1.5rem; padding: 1.25rem; background: var(--zx-panel); border-left: 3px solid var(--zx-copper); font-size: .88rem; }
.zx-contact-form { padding: 2rem; background: var(--zx-panel); border: 1px solid var(--zx-border); clip-path: polygon(4% 0, 100% 0, 96% 100%, 0 100%); }
.zx-form-row { margin-bottom: 1.25rem; }
.zx-form-row label { display: block; font-family: var(--zx-mono); font-size: .65rem; letter-spacing: .08em; margin-bottom: .4rem; }
.zx-form-row input, .zx-form-row select, .zx-form-row textarea { width: 100%; }
.zx-required { color: var(--zx-rust); font-size: .58rem; margin-left: .35rem; }
.zx-contact-map { padding: 0 2.5rem 4rem; max-width: 1100px; margin: 0 auto; }
.zx-contact-map h2 { font-size: 1.5rem; margin-bottom: 1rem; }
.zx-contact-map__embed { clip-path: var(--zx-slant); overflow: hidden; box-shadow: var(--zx-shadow-md); }
.zx-contact-map__embed iframe { width: 100%; aspect-ratio: 21/9; border: 0; }

/* Cart */
.zx-cart-deck { display: grid; grid-template-columns: 1fr 340px; gap: 2.5rem; max-width: 1100px; margin: 0 auto; padding: 2rem 2.5rem 4rem; align-items: start; }
.zx-cart-items { display: flex; flex-direction: column; gap: 1rem; }
.zx-cart-empty { padding: 3rem; text-align: center; color: var(--zx-text-dim); background: var(--zx-panel); border: 1px dashed var(--zx-border); }
.zx-cart-item { display: grid; grid-template-columns: 120px 1fr auto; gap: 1.25rem; align-items: center; padding: 1.25rem; background: var(--zx-panel); border: 1px solid var(--zx-border); clip-path: polygon(0 0, 100% 0, 99% 100%, 1% 100%); }
.zx-cart-item img { width: 100%; aspect-ratio: 4/3; object-fit: cover; clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%); }
.zx-cart-item h3 { font-size: 1.05rem; margin-bottom: .25rem; }
.zx-cart-item-meta { font-family: var(--zx-mono); font-size: .65rem; color: var(--zx-text-dim); }
.zx-cart-item-remove { font-family: var(--zx-mono); font-size: .58rem; color: var(--zx-rust); letter-spacing: .08em; padding: .35rem .65rem; border: 1px solid var(--zx-rust); clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%); }
.zx-cart-item-remove:hover { background: var(--zx-rust); color: var(--zx-cream); }
.zx-cart-item__qty {
  display: flex; align-items: center; gap: .5rem; margin-top: .5rem;
  font-family: var(--zx-mono); font-size: .65rem;
}
.zx-cart-item__qty button {
  width: 28px; height: 28px; border: 1px solid var(--zx-border);
  clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%);
  display: flex; align-items: center; justify-content: center;
}
.zx-cart-item__qty button:hover { border-color: var(--zx-copper); color: var(--zx-copper); }
.zx-cart-item__price { font-family: var(--zx-mono); font-size: .85rem; color: var(--zx-copper); text-align: right; }
.zx-cart-sidebar { position: sticky; top: calc(var(--zx-dock-h) + 1.5rem); }
.zx-cart-summary { padding: 1.75rem; background: var(--zx-panel); border: 1px solid var(--zx-border); clip-path: polygon(0 0, 100% 8%, 100% 100%, 8% 100%); }
.zx-cart-summary h2 { font-size: 1.15rem; margin-bottom: 1.25rem; padding-bottom: .75rem; border-bottom: 1px solid var(--zx-border); }
.zx-cart-summary__row { display: flex; justify-content: space-between; padding: .5rem 0; font-size: .88rem; }
.zx-cart-summary__row--total { margin-top: .75rem; padding-top: .75rem; border-top: 1px solid var(--zx-copper); font-size: 1rem; }
.zx-cart-summary__row--total strong { font-family: var(--zx-mono); color: var(--zx-copper); font-size: 1.1rem; }
.zx-cart-summary__row--discount { color: var(--zx-rust); }
.zx-cart-coupon { margin: 1.25rem 0; }
.zx-cart-coupon__row { display: flex; gap: .5rem; margin-top: .35rem; }
.zx-cart-coupon__row input { flex: 1; }
.zx-cart-coupon__hint { margin-top: .5rem; opacity: .7; }
.zx-cart-summary .zx-btn { width: 100%; margin-top: .65rem; }

/* Legal */
.zx-legal { max-width: 720px; margin: 0 auto; padding: 2rem 2.5rem 5rem; font-size: .92rem; color: var(--zx-text-dim); }
.zx-legal h2 { font-size: 1.35rem; color: var(--zx-text); margin: 2rem 0 .75rem; padding-left: .75rem; border-left: 2px solid var(--zx-copper); }
.zx-legal h3 { font-size: 1.05rem; color: var(--zx-text); margin: 1.5rem 0 .5rem; }
.zx-legal p, .zx-legal li { margin-bottom: .75rem; }
.zx-legal ul, .zx-legal ol { padding-left: 1.5rem; margin-bottom: 1rem; }

/* Ledger footer */
.zx-ledger { position: relative; background: var(--zx-charcoal); border-top: 1px solid var(--zx-border); overflow: hidden; }
.zx-ledger__slant { position: absolute; top: 0; left: 0; right: 0; height: 48px; background: var(--zx-panel); clip-path: polygon(0 0, 100% 0, 100% 20%, 0 100%); z-index: 1; }
.zx-ledger__grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr 1.9fr; gap: 0; padding: 4.5rem 2.5rem 2.5rem; max-width: 1280px; margin: 0 auto; }
.zx-ledger__brand { padding-right: 3rem; border-right: 1px solid var(--zx-border); }
.zx-ledger__title { font-family: var(--zx-serif); font-size: clamp(2rem, 4vw, 3rem); margin: .5rem 0; }
.zx-ledger__tagline { font-size: .9rem; color: var(--zx-text-dim); margin-bottom: 1.25rem; }
.zx-ledger__brand address { font-style: normal; font-size: .85rem; line-height: 1.8; color: var(--zx-text-dim); }
.zx-ledger__strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; padding-left: 3rem; }
.zx-ledger__col h3 { font-family: var(--zx-mono); font-size: .62rem; letter-spacing: .16em; text-transform: uppercase; color: var(--zx-copper); margin-bottom: 1rem; }
.zx-ledger__col ul { list-style: none; }
.zx-ledger__col li { margin-bottom: .45rem; }
.zx-ledger__col a { font-size: .85rem; color: var(--zx-text-dim); }
.zx-ledger__col a:hover { color: var(--zx-copper); }
.zx-ledger__col--letter p { margin-bottom: .5rem; }
.zx-ledger__form { display: flex; gap: .5rem; margin-top: .75rem; }
.zx-ledger__form input { flex: 1; font-size: .85rem; }
.zx-ledger__baseline { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem; padding: 1.25rem 2.5rem; border-top: 1px solid var(--zx-border); font-family: var(--zx-mono); font-size: .6rem; letter-spacing: .08em; color: var(--zx-text-dim); }
.zx-ledger__brand a { color: var(--zx-copper-light); }
.zx-ledger__brand a:hover { color: var(--zx-copper); }
.zx-ledger__form .zx-btn { flex-shrink: 0; padding: .65rem 1rem; }

/* Form states */
.zx-contact-form.is-submitting { opacity: .6; pointer-events: none; }
.zx-form-row.is-error input, .zx-form-row.is-error textarea, .zx-form-row.is-error select { border-color: var(--zx-rust); }
.zx-form-row__error { font-family: var(--zx-mono); font-size: .58rem; color: var(--zx-rust); margin-top: .35rem; }
.zx-contact-form .zx-btn[type="submit"]:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* Focus visible */
.zx-nav-link:focus-visible, .zx-btn:focus-visible, .zx-tool:focus-visible,
.zx-cart-pill:focus-visible, .zx-burger:focus-visible, .zx-back-top:focus-visible {
  outline: 2px solid var(--zx-copper); outline-offset: 3px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .zx-reveal, .zx-stream__frame, .zx-shop-card, .zx-atelier__hero img,
  .zx-chromatic__viewport img, .zx-back-top, .zx-toast { transition: none; }
  .zx-stream__scroll-hint, .zx-stream__scroll-hint::after { animation: none; }
  .zx-story { scroll-snap-type: none; }
}

/* Utilities */
.zx-back-top {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 160; width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center; background: var(--zx-copper); color: var(--zx-ink);
  clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%); box-shadow: var(--zx-shadow-sm);
  opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity .35s, visibility .35s, transform .35s var(--zx-ease);
}
.zx-back-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.zx-back-top:hover { background: var(--zx-copper-light); transform: translateY(-3px); }
.zx-toast {
  position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%) translateY(80px); z-index: 500;
  padding: .85rem 1.75rem; background: var(--zx-panel); border: 1px solid var(--zx-copper);
  font-family: var(--zx-mono); font-size: .68rem; letter-spacing: .08em; color: var(--zx-cream);
  clip-path: polygon(4% 0, 100% 0, 96% 100%, 0 100%); box-shadow: var(--zx-shadow-md);
  opacity: 0; visibility: hidden; transition: opacity .4s, visibility .4s, transform .4s var(--zx-ease);
}
.zx-toast.is-visible { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* Responsive 1024px */
@media (max-width: 1024px) {
  .zx-portal { padding: calc(var(--zx-dock-h) + 1.5rem) 2rem 4rem; }
  .zx-portal__grid { grid-template-columns: 1fr; gap: 2rem; }
  .zx-portal__spine {
    flex-direction: row; justify-content: flex-start; flex-wrap: wrap; gap: 1.5rem;
    padding-top: 0;
  }
  .zx-portal__spine .zx-micro,
  .zx-portal__coords { writing-mode: horizontal-tb; }
  .zx-portal__spine-line { width: 60px; height: 1px; background: linear-gradient(90deg, var(--zx-copper), transparent); }
  .zx-portal__stats { flex-direction: row; gap: 2rem; }
  .zx-portal__frame { min-height: 400px; max-width: 520px; margin: 0 auto; width: 100%; }
  .zx-portal__watermark { font-size: clamp(8rem, 20vw, 14rem); right: -5%; opacity: .6; }
  .zx-portal__commerce { right: 0; bottom: -0.5rem; width: 260px; }
  .zx-origin__grid, .zx-creed__layout, .zx-atelier__display, .zx-chromatic__lab,
  .zx-commit__inner, .zx-about-story, .zx-about-mission__grid, .zx-about-location,
  .zx-contact-deck, .zx-cart-deck, .zx-shop-deck { grid-template-columns: 1fr; }
  .zx-creed__commerce { max-width: 360px; }
  .zx-atelier__stage { grid-template-columns: 1fr; }
  .zx-atelier__thumbs { flex-direction: row; overflow-x: auto; }
  .zx-atelier__thumb { flex: 0 0 72px; }
  .zx-gauge__depth { grid-template-columns: repeat(2, 1fr); }
  .zx-commit__preview { max-width: 380px; margin: 0 auto; }
  .zx-about-values__list, .zx-shop-process__steps { grid-template-columns: repeat(2, 1fr); }
  .zx-shop-filter { position: static; }
  .zx-ledger__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .zx-ledger__brand { padding-right: 0; border-right: none; padding-bottom: 2rem; border-bottom: 1px solid var(--zx-border); }
  .zx-ledger__strip { padding-left: 0; grid-template-columns: repeat(2, 1fr); }
  .zx-echo__fragments { min-height: 520px; }
  .zx-echo__fragment:nth-child(3) { left: 15%; top: 280px; }
}

/* Responsive 768px */
@media (max-width: 768px) {
  :root { --zx-dock-h: 52px; }
  .zx-chapter-rail { display: none; }
  .page-home .zx-main, .page-home .zx-dock, .page-home .zx-ledger { margin-left: 0; }
  .zx-skip { left: 1rem; }
  .zx-dock__inner { padding: 0 1.25rem; }
  .zx-dock__nav, .zx-dock__edition { display: none; }
  .zx-burger { display: flex; }
  .zx-origin, .zx-atelier, .zx-atlas, .zx-echo, .zx-stream, .zx-chromatic, .zx-gauge, .zx-commit, .zx-portal { padding-left: 1.25rem; padding-right: 1.25rem; }
  .zx-portal__frame { min-height: 360px; }
  .zx-portal__layer--main { width: 85%; }
  .zx-portal__commerce { position: relative; right: auto; bottom: auto; width: 100%; margin-top: 1rem; clip-path: none; }
  .zx-portal__frame-nav { position: relative; bottom: auto; margin-top: 1rem; }
  .zx-portal__scroll { display: none; }
  .zx-portal__watermark { display: none; }
  .zx-stream__rail, .zx-atlas__ribbon, .zx-stream__head, .zx-atlas__head { padding-left: 1.25rem; padding-right: 1.25rem; }
  .zx-creed__sticky { padding: 3rem 1.25rem; }
  .zx-gauge__depth { grid-template-columns: 1fr 1fr; gap: .75rem; }
  .zx-echo__fragments { min-height: auto; position: static; }
  .zx-echo__fragment { position: relative; width: 100%; left: auto !important; top: auto !important; transform: none !important; margin-bottom: 1rem; }
  .zx-about-values__list, .zx-shop-process__steps, .zx-ledger__strip { grid-template-columns: 1fr; }
  .zx-cart-item { grid-template-columns: 80px 1fr; }
  .zx-cart-item-remove { grid-column: 1 / -1; justify-self: end; }
  .zx-page-head { padding: 4rem 1.25rem 2.5rem; }
  .zx-back-top { bottom: 1.25rem; right: 1.25rem; }
}