/* ==========================================================================
   THE LAST SPECIES - BESPOKE DESIGN SYSTEM & STYLESHEET
   Cold-Luxury Obsidian + Veridian Biolume Emerald Token Architecture
   Dials: DESIGN_VARIANCE: 8 | MOTION_INTENSITY: 8 | VISUAL_DENSITY: 4
   ========================================================================== */

:root,
[data-theme="dark"] {
  /* Core Surfaces (No pure #000000 or #ffffff) */
  --bg-canvas: #090c0b;
  --bg-surface: #101614;
  --bg-elevated: #161f1c;
  --bg-glass: rgba(16, 22, 20, 0.76);
  --bg-tinted: #0d1d18;

  /* Typography Hierarchy */
  --text-primary: #eef2f0;
  --text-secondary: #a5b4ae;
  --text-muted: #768881;
  --text-on-accent: #06110d;

  /* Single Locked Accent: Veridian Biolume Emerald (<80% saturation feel) */
  --accent: #18b888;
  --accent-strong: #22cf9b;
  --accent-soft: rgba(24, 184, 136, 0.14);
  --accent-border: rgba(24, 184, 136, 0.38);

  /* Borders & Hairlines */
  --border-subtle: rgba(238, 242, 240, 0.09);
  --border-strong: rgba(238, 242, 240, 0.18);
  --shadow-tinted: 0 24px 60px rgba(3, 10, 8, 0.65);

  /* Status & Validation */
  --error-fg: #f87171;
  --error-bg: rgba(248, 113, 113, 0.12);

  /* Consistent Corner Radius System (All-Soft 14px scale) */
  --radius-card: 14px;
  --radius-control: 10px;
  --radius-pill: 999px;

  /* Typography Scale (Strong >1.4x modular ratio across steps) */
  --font-sans: "Outfit", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --fs-xs: 0.75rem;     /* 12px */
  --fs-sm: 0.875rem;    /* 14px */
  --fs-base: 1.0625rem; /* 17px */
  --fs-md: 1.5rem;      /* 24px (1.41x) */
  --fs-lg: 2.25rem;     /* 36px (1.50x) */
  --fs-xl: 3.375rem;    /* 54px (1.50x) */
  --fs-hero: 4.25rem;   /* 68px */

  /* Z-Index Scale */
  --z-base: 1;
  --z-Loupe: 10;
  --z-header: 40;
  --z-grain: 50;
}

[data-theme="light"] {
  --bg-canvas: #f2f5f4;
  --bg-surface: #e7ecea;
  --bg-elevated: #ffffff;
  --bg-glass: rgba(242, 245, 244, 0.86);
  --bg-tinted: #dcebe5;

  --text-primary: #0c1411;
  --text-secondary: #33443e;
  --text-muted: #52665e;
  --text-on-accent: #f6faf8;

  --accent: #0b7a58;
  --accent-strong: #086045;
  --accent-soft: rgba(11, 122, 88, 0.12);
  --accent-border: rgba(11, 122, 88, 0.36);

  --border-subtle: rgba(12, 20, 17, 0.11);
  --border-strong: rgba(12, 20, 17, 0.22);
  --shadow-tinted: 0 20px 48px rgba(12, 28, 22, 0.1);

  --error-fg: #b91c1c;
  --error-bg: rgba(185, 28, 28, 0.09);
}

/* ── RESET & BASE ─────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    color 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

h1 {
  font-size: 3.75rem;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h2 {
  font-size: 2.5rem;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

h3 {
  font-size: 1.5rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

p {
  font-size: 1.0625rem;
  line-height: 1.65;
}

small {
  font-size: 0.75rem;
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select {
  font: inherit;
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: 100;
  background: var(--accent);
  color: var(--text-on-accent);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-control);
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

/* ── FIXED GRAIN OVERLAY (GPU-Safe) ──────────────────────────────────── */
.ambient-grain {
  position: fixed;
  inset: 0;
  z-index: var(--z-grain);
  pointer-events: none;
  opacity: 0.028;
  background-image: radial-gradient(rgba(255, 255, 255, 0.6) 1px, transparent 0);
  background-size: 24px 24px;
}

/* ── LAYOUT SHELL ─────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1360px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

@media (min-width: 768px) {
  .container {
    padding-inline: 2.5rem;
  }
}

/* ── TYPOGRAPHY PRIMITIVES ────────────────────────────────────────────── */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.875rem;
}

/* Italic Descender Clearance (Mandatory per Section 4.1) */
.italic-accent {
  font-style: italic;
  font-weight: 400;
  line-height: 1.15;
  padding-bottom: 0.12em;
  display: inline-block;
  color: var(--accent);
}

.section-header-stack {
  max-width: 65ch;
  margin-bottom: 3.25rem;
}

.section-title {
  font-size: clamp(2.125rem, 3.4vw + 0.5rem, var(--fs-xl));
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-subtext {
  font-size: var(--fs-base);
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 60ch;
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
}

.accent-text {
  color: var(--accent);
}

/* ── BUTTONS (Contrast AA Checked, Single-Line Desktop, Tactile Active) ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-control);
  font-size: var(--fs-sm);
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    background-color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn:active {
  transform: scale(0.98) translateY(1px);
}

.btn-primary {
  background-color: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
}

.btn-primary:hover {
  background-color: var(--accent-strong);
  border-color: var(--accent-strong);
}

.btn-secondary {
  background-color: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  border-color: var(--accent);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  background-color: var(--accent-soft);
  border-color: var(--accent-border);
}

.btn-full {
  width: 100%;
}

/* ── HEADER & SINGLE-LINE NAV (Height <= 72px) ────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: 70px;
  background-color: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--border-subtle);
}

.scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 2px;
  width: 100%;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.brand-glyph {
  color: var(--text-primary);
  flex-shrink: 0;
}

.primary-nav {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

@media (min-width: 1024px) {
  .primary-nav {
    display: flex;
  }
}

.nav-link {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover {
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  height: 38px;
  padding-inline: 0.7rem;
  border-radius: var(--radius-control);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    color 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.icon-btn:hover,
.icon-btn[aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--text-primary);
}

.btn-nav {
  display: none;
  padding: 0.55rem 1.1rem;
}

@media (min-width: 768px) {
  .btn-nav {
    display: inline-flex;
  }
}

.mobile-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-control);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
}

@media (min-width: 1024px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-drawer {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-strong);
  padding: 1.25rem 1.5rem;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.mobile-link {
  font-size: var(--fs-base);
  padding-block: 0.35rem;
  color: var(--text-secondary);
}

/* ── SECTION 1: HERO (min-h-[calc(100dvh-70px)], top padding <= 6rem) ─── */
.hero-section {
  min-height: calc(100dvh - 70px);
  display: flex;
  align-items: center;
  padding-top: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border-subtle);
}

@media (min-width: 1024px) {
  .hero-section {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 6fr 6fr;
    gap: 3.5rem;
  }
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-headline {
  font-size: clamp(2.75rem, 4.6vw + 1rem, var(--fs-hero));
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin-bottom: 1.25rem;
  max-width: 14ch;
}

.hero-subtext {
  font-size: var(--fs-base);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 50ch;
  margin-bottom: 2rem;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.hero-visual {
  width: 100%;
}

.watch-showcase-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-tinted);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.watch-image-frame {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-elevated);
}

.hero-watch-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.watch-showcase-card:hover .hero-watch-img {
  transform: scale(1.05);
}

.caliper-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: rgba(238, 242, 240, 0.34);
  pointer-events: none;
}

.caliper-ring-outer {
  transform-origin: 200px 150px;
  animation: slowRotate 48s linear infinite;
}

.caliper-ring-inner {
  transform-origin: 200px 150px;
  animation: slowRotateReverse 32s linear infinite;
}

@keyframes slowRotate {
  to {
    transform: rotate(360deg);
  }
}

@keyframes slowRotateReverse {
  to {
    transform: rotate(-360deg);
  }
}

.hero-telemetry-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.35rem;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-subtle);
}

.telemetry-block {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.telemetry-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.countdown-inline {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  font-family: var(--font-mono);
}

.cd-num {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.cd-tag {
  font-size: 0.7rem;
  color: var(--accent);
}

.cd-sep {
  color: var(--text-muted);
}

.telemetry-divider {
  width: 1px;
  height: 32px;
  background: var(--border-subtle);
}

.telemetry-stat-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.telemetry-value {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
}

.telemetry-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-control);
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-border);
}

/* ── SECTION 2: PARTNER WALL (SVG Logos Only) ─────────────────────────── */
.partner-wall {
  padding-block: 1.75rem;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.partner-wall-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem 2.5rem;
}

.partner-logo {
  height: 28px;
  width: auto;
  color: var(--text-muted);
  opacity: 0.85;
  transition: color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.partner-logo:hover {
  color: var(--text-primary);
  opacity: 1;
}

/* ── SECTION 3: 5-CELL ASYMMETRIC BENTO GRID ──────────────────────────── */
.bento-section {
  padding-block: 5.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
  }

  .bento-cell-interactive {
    grid-column: span 7;
  }

  .bento-cell-photo {
    grid-column: span 5;
  }

  .bento-cell-tinted,
  .bento-cell-surface,
  .bento-cell-gradient {
    grid-column: span 4;
  }
}

.bento-cell {
  position: relative;
  border-radius: var(--radius-card);
  padding: 2rem;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bento-cell-tinted {
  background: var(--bg-tinted);
  border-color: var(--accent-border);
}

.bento-cell-surface {
  background: var(--bg-elevated);
}

.bento-cell-gradient {
  background: radial-gradient(
      circle at 85% 15%,
      var(--accent-soft),
      transparent 60%
    ),
    var(--bg-surface);
}

.bento-cell-photo {
  padding: 0;
  min-height: 380px;
  justify-content: flex-end;
}

.bento-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.bento-cell-photo:hover .bento-bg-img {
  transform: scale(1.04);
}

.bento-photo-scrim {
  position: relative;
  z-index: 2;
  padding: 2rem;
  background: linear-gradient(
    to top,
    rgba(9, 12, 11, 0.95) 20%,
    rgba(9, 12, 11, 0.65) 70%,
    transparent 100%
  );
  color: #eef2f0;
}

.bento-photo-scrim .bento-copy {
  color: #c6d3ce;
}

.bento-top-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.bento-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 600;
}

.bento-code {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.bento-heading {
  font-size: var(--fs-md);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-block: 0.5rem 0.65rem;
}

.bento-copy {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 58ch;
}

.bento-big-stat {
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 1rem;
}

.bento-big-stat small {
  font-size: var(--fs-xs);
  color: var(--accent);
}

/* Interactive Parity Simulator inside Cell 1 */
.parity-simulator {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.sim-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.sim-pill {
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-control);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  font-size: var(--fs-xs);
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    background-color 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.sim-pill.is-active {
  background: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
}

.sim-readout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-control);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
}

.sim-metric {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.sim-metric-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.sim-metric-val {
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  font-weight: 600;
}

.sim-equals {
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  color: var(--text-muted);
}

.sim-matrix-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sim-matrix-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.sim-dot-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 0.75rem;
  border-radius: var(--radius-control);
  background: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  min-height: 44px;
  align-items: center;
}

.sim-dot {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--accent);
  opacity: 0.85;
}

/* ── SECTION 4: THE FOUR CENSUS EDITIONS ──────────────────────────────── */
.editions-section {
  padding-block: 5.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.edition-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.25rem;
}

.filter-tab {
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-control);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    background-color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    color 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.filter-tab:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.filter-tab.is-active {
  background: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
  font-weight: 600;
}

.editions-showcase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .editions-showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.edition-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.edition-card:hover {
  border-color: var(--accent-border);
  transform: translateY(-3px);
}

.edition-card.is-filtered-out {
  display: none;
}

.edition-visual-wrap {
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: var(--bg-elevated);
}

.edition-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.edition-card:hover .edition-img {
  transform: scale(1.04);
}

.edition-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 1.1rem;
}

.edition-meta-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
}

.edition-ref {
  color: var(--text-muted);
}

.edition-status {
  color: var(--accent);
  font-weight: 600;
}

.edition-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.edition-name {
  font-size: var(--fs-md);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.edition-count-badge {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-control);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
}

.count-num {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
}

.count-unit {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-secondary);
}

.edition-desc {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 60ch;
}

.edition-specs-mini {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
  padding-block: 0.85rem;
  border-top: 1px solid var(--border-subtle);
}

.spec-chip {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.spec-chip-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.spec-chip-val {
  font-size: var(--fs-sm);
  font-weight: 500;
}

.edition-actions {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ── SECTION 5: CALIBRE ARK-01 DECONSTRUCTED ENGINEERING ──────────────── */
.engineering-section {
  padding-block: 5.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.engineering-stage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .engineering-stage {
    grid-template-columns: 7fr 5fr;
  }
}

.exploded-viewer {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.exploded-img-container {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--bg-elevated);
  overflow: hidden;
}

.exploded-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.hotspot-pin {
  position: absolute;
  width: 36px;
  height: 36px;
  margin-left: -18px;
  margin-top: -18px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1.5px solid var(--accent);
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    background-color 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.hotspot-pin.is-active,
.hotspot-pin:hover {
  background: var(--accent);
  color: var(--text-on-accent);
  transform: scale(1.12);
}

.layer-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.layer-tab {
  padding: 0.9rem 1rem;
  background: var(--bg-surface);
  border: none;
  border-right: 1px solid var(--border-subtle);
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  transition: background-color 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.layer-tab:last-child {
  border-right: none;
}

.layer-tab.is-active {
  background: var(--bg-tinted);
}

.layer-code {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--accent);
}

.layer-name {
  font-size: var(--fs-sm);
  font-weight: 600;
}

.layer-detail-panel {
  padding: 1.5rem;
}

.layer-detail-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.layer-detail-title {
  font-size: var(--fs-md);
  font-weight: 600;
  margin-bottom: 0.45rem;
}

.layer-detail-desc {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  max-width: 62ch;
}

/* 2-Col Spec Card Grid (Section 4.9 Compliant) */
.spec-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .spec-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.spec-card {
  padding: 1.35rem;
  border-radius: var(--radius-card);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.spec-card-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.spec-card-value {
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--accent);
}

.spec-card-why {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ── SECTION 6: INTERACTIVE DIAL & LUME ATELIER ───────────────────────── */
.atelier-section {
  padding-block: 5.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.atelier-workbench {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .atelier-workbench {
    grid-template-columns: 5fr 7fr;
  }
}

.atelier-controls {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.control-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.atelier-ref-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.atelier-ref-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-control);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    background-color 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.atelier-ref-btn.is-active {
  background: var(--bg-tinted);
  border-color: var(--accent);
}

.ref-name {
  font-size: var(--fs-sm);
  font-weight: 600;
}

.ref-lume-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--accent);
}

.lume-switch-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
}

.lume-mode-btn {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-control);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  font-size: var(--fs-sm);
  font-weight: 600;
  cursor: pointer;
}

.lume-mode-btn.is-active {
  background: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
}

.atelier-readout-box {
  padding: 1.35rem;
  border-radius: var(--radius-card);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.atelier-info-title {
  font-size: var(--fs-md);
  font-weight: 600;
}

.atelier-info-body {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.atelier-metrics-row {
  display: flex;
  gap: 2rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--border-subtle);
}

.mini-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.mini-val {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--accent);
}

.atelier-stage-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.atelier-canvas {
  position: relative;
  aspect-ratio: 1 / 1;
  max-height: 540px;
  width: 100%;
  margin-inline: auto;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: #080b0a;
  cursor: crosshair;
}

.atelier-main-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.atelier-canvas[data-lume-state="night"] .atelier-main-img {
  filter: brightness(0.68) contrast(1.38) saturate(1.45);
}

.lume-glow-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  background: radial-gradient(
    circle at 50% 50%,
    rgba(24, 184, 136, 0.28),
    transparent 68%
  );
  mix-blend-mode: screen;
}

.atelier-canvas[data-lume-state="night"] .lume-glow-overlay {
  opacity: 1;
}

/* Interactive Horology Loupe */
.horology-loupe {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.75);
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.9);
  background-repeat: no-repeat;
  z-index: var(--z-Loupe);
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.atelier-canvas.is-magnifying .horology-loupe {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.loupe-badge {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-control);
  background: rgba(9, 12, 11, 0.85);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.625rem;
}

.atelier-stage-caption {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  text-align: center;
}

/* ── SECTION 7: SANCTUARY BIOTELEMETRY & FIELD LEDGER ─────────────────── */
.sanctuary-section {
  padding-block: 5.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.sanctuary-hero-banner {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.sanctuary-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sanctuary-overlay {
  position: relative;
  z-index: 2;
  padding: 2rem;
  background: linear-gradient(
    to top,
    rgba(9, 12, 11, 0.96) 25%,
    rgba(9, 12, 11, 0.68) 70%,
    rgba(9, 12, 11, 0.25) 100%
  );
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sanctuary-overlay-top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.telemetry-pill {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-control);
  background: rgba(16, 22, 20, 0.85);
  color: #eef2f0;
  border: 1px solid rgba(24, 184, 136, 0.45);
}

.sanctuary-zones-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .sanctuary-zones-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1200px) {
  .sanctuary-zones-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.zone-card {
  padding: 1.25rem;
  border-radius: var(--radius-control);
  background: rgba(16, 22, 20, 0.86);
  border: 1px solid rgba(238, 242, 240, 0.14);
  backdrop-filter: blur(12px);
  color: #eef2f0;
}

.zone-coords {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: #22cf9b;
}

.zone-title {
  font-size: var(--fs-base);
  font-weight: 600;
  margin-block: 0.35rem;
}

.zone-detail {
  font-size: var(--fs-xs);
  color: #c2d0ca;
  line-height: 1.55;
}

/* ── SECTION 8: PRIVATE CLIENT ALLOCATION REGISTRY ────────────────────── */
.allocation-section {
  padding-block: 5.5rem;
}

.allocation-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .allocation-layout {
    grid-template-columns: 6fr 6fr;
  }
}

.serial-picker-card {
  margin-top: 2rem;
  padding: 1.5rem;
  border-radius: var(--radius-card);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}

.serial-picker-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.serial-picker-title {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--accent);
  font-weight: 600;
}

.serial-legend {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.serial-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
}

.serial-slot {
  padding: 0.55rem 0.4rem;
  border-radius: var(--radius-control);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    background-color 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.serial-slot.is-selected {
  background: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
  font-weight: 600;
}

.serial-slot.is-claimed {
  opacity: 0.38;
  cursor: not-allowed;
  text-decoration: line-through;
}

/* Quote Block (<= 3 lines, no side-tab border, no em-dash) */
.collector-quote {
  margin-top: 2rem;
  padding: 1.5rem;
  border-radius: var(--radius-card);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}

.quote-body {
  font-size: var(--fs-base);
  color: var(--text-primary);
  line-height: 1.55;
  margin-bottom: 0.65rem;
}

.quote-author {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* Form Card (Contrast AA Checked, Labels Above Inputs) */
.allocation-form-card {
  padding: 2.25rem;
  border-radius: var(--radius-card);
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-tinted);
}

.form-error-banner {
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  border-radius: var(--radius-control);
  background: var(--error-bg);
  border: 1px solid var(--error-fg);
  color: var(--error-fg);
}

.error-banner-title {
  font-weight: 600;
  font-size: var(--fs-sm);
  margin-bottom: 0.35rem;
}

.error-banner-list {
  padding-left: 1.25rem;
  font-size: var(--fs-xs);
}

.allocation-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row-2col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .form-row-2col {
    grid-template-columns: 1.4fr 1fr;
  }
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.form-input,
.form-select {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-control);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-size: var(--fs-sm);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input[aria-invalid="true"] {
  border-color: var(--error-fg);
}

.mono-input {
  font-family: var(--font-mono);
  color: var(--accent);
  font-weight: 600;
}

.field-helper {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
}

.field-error-msg {
  font-size: var(--fs-xs);
  color: var(--error-fg);
  font-weight: 500;
}

/* Instant Cryptographic Dossier Certificate */
.dossier-certificate {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.certificate-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.cert-badge {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-control);
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-border);
}

.cert-hash {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.cert-title {
  font-size: var(--fs-lg);
  font-weight: 600;
}

.cert-body {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.cert-details-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--radius-control);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
}

.cert-meta-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.cert-meta-val {
  font-size: var(--fs-sm);
}

/* ── FOOTER ───────────────────────────────────────────────────────────── */
.site-footer {
  padding-block: 3.5rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.footer-mission {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  margin-top: 0.5rem;
  max-width: 46ch;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.footer-nav a:hover {
  color: var(--text-primary);
}

.footer-colophon {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

/* ── REDUCED MOTION GUARDRAIL (Mandatory per Section 6.B) ─────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .site-header,
  .zone-card {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background-color: var(--bg-surface);
  }
}