/* ============================================================
   CRYPTO RELICS — design tokens
   Art direction: kintsugi-gold cracked stone fragments on black.
   Palette drawn straight from the collection artwork: matte black
   stone, molten-gold seams, and the laser-eye accent hues named in
   the lore (crimson / electric blue / emerald / gold).
   ============================================================ */

:root {
  /* ---- Fluid type scale ---- */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.75rem);
  --text-hero: clamp(2.75rem, 0.5rem + 6.5vw, 6.5rem);

  /* ---- 4px spacing system ---- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 0.3rem;
  --radius-md: 0.55rem;
  --radius-lg: 0.9rem;
  --radius-xl: 1.4rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1280px;
  --content-full: 100%;

  --font-display: 'Boska', 'Georgia', serif;
  --font-body: 'Switzer', 'General Sans', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* ---- Rarity tier hues (lore: cyan / crimson / electric blue / emerald) ---- */
  --tier-mythic: #e0546c;
  --tier-legendary: #e8af34;
  --tier-epic: #52b98a;
  --tier-rare: #5b98e0;
  --tier-uncommon: #96a862;
  --tier-common: #9c9384;
}

/* ================= DARK (default — the relic vault) ================= */
:root,
[data-theme='dark'] {
  --color-bg: #0a0907;
  --color-surface: #131110;
  --color-surface-2: #17150f;
  --color-surface-offset: #1b1813;
  --color-surface-offset-2: #201d16;
  --color-surface-dynamic: #262119;
  --color-divider: #292420;
  --color-border: #3a332a;

  --color-text: #ece4d3;
  --color-text-muted: #a89b83;
  --color-text-faint: #6f6555;
  --color-text-inverse: #14120f;

  --color-primary: #d7a23f;
  --color-primary-hover: #e9b959;
  --color-primary-active: #f3cd7d;
  --color-primary-highlight: #3a2e19;

  --color-rust: #c1663c;
  --color-rust-highlight: #3a2318;

  --color-maroon: #b04a5e;
  --color-maroon-highlight: #37202a;

  --color-moss: #8a9958;
  --color-moss-highlight: #262b19;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 8px 24px oklch(0 0 0 / 0.5);
  --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.6);
  --shadow-gold: 0 0 32px oklch(0.75 0.13 80 / 0.18);
}

/* ================= LIGHT (parchment / excavation site) ================= */
[data-theme='light'] {
  --color-bg: #f2ead9;
  --color-surface: #f8f1e3;
  --color-surface-2: #fbf7ec;
  --color-surface-offset: #ebe0c7;
  --color-surface-offset-2: #e2d3ae;
  --color-surface-dynamic: #d9c89d;
  --color-divider: #d6c5a0;
  --color-border: #c3ae80;

  --color-text: #211a10;
  --color-text-muted: #675a3f;
  --color-text-faint: #9c8a63;
  --color-text-inverse: #f8f1e3;

  --color-primary: #9c6a1f;
  --color-primary-hover: #7f5417;
  --color-primary-active: #644111;
  --color-primary-highlight: #e9d7ab;

  --color-rust: #a24d29;
  --color-rust-highlight: #ecd3bf;

  --color-maroon: #8f2f45;
  --color-maroon-highlight: #e6d0d4;

  --color-moss: #566b2c;
  --color-moss-highlight: #dbe0c2;

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 80 / 0.08);
  --shadow-md: 0 8px 24px oklch(0.2 0.02 80 / 0.12);
  --shadow-lg: 0 20px 48px oklch(0.2 0.02 80 / 0.16);
  --shadow-gold: 0 0 24px oklch(0.6 0.12 80 / 0.14);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0a0907;
    --color-surface: #131110;
  }
}

/* ============================================================
   Layout primitives
   ============================================================ */

.wrap {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
@media (min-width: 900px) {
  .wrap {
    padding-inline: var(--space-10);
  }
}

section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  box-shadow: 0 0 8px var(--color-primary);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.section-lede {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 62ch;
  margin-bottom: var(--space-10);
}

.divider-crack {
  height: 2px;
  width: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    oklch(from var(--color-primary) l c h / 0.6) 20%,
    oklch(from var(--color-primary) l c h / 0.9) 50%,
    oklch(from var(--color-primary) l c h / 0.6) 80%,
    transparent
  );
  opacity: 0.5;
}

/* ============================================================
   Header
   ============================================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid oklch(from var(--color-border) l c h / 0.5);
  transition:
    transform 0.35s var(--ease-out),
    box-shadow 0.35s var(--ease-out);
}
.header--hidden {
  transform: translateY(-100%);
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
  min-width: 0;
}
.brand img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
}
.brand-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
@media (max-width: 400px) {
  .brand-name {
    font-size: var(--text-base);
  }
}
@media (max-width: 560px) {
  .header-mint-btn {
    display: none !important;
  }
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-8);
}
@media (min-width: 860px) {
  .nav-links {
    display: flex;
  }
}
.nav-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.nav-links a:hover {
  color: var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #14120f;
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}
.btn-ghost {
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.mobile-nav-toggle {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text);
}
@media (min-width: 860px) {
  .mobile-nav-toggle {
    display: none;
  }
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-6) var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.mobile-nav.is-open {
  display: flex;
}
.mobile-nav a {
  padding: var(--space-3) 0;
  color: var(--color-text-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--color-divider);
}
.mobile-nav-mint {
  margin-top: var(--space-3);
  justify-content: center;
  border-bottom: none !important;
  color: #14120f !important;
}
@media (min-width: 860px) {
  .mobile-nav {
    display: none !important;
  }
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  padding-top: clamp(var(--space-16), 10vw, var(--space-32));
  padding-bottom: clamp(var(--space-12), 8vw, var(--space-20));
  overflow: hidden;
}

.hero-banner {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--space-10);
  aspect-ratio: 1920 / 770;
  background: var(--color-surface-2);
}
.hero-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-grid {
  display: grid;
  gap: var(--space-10);
  align-items: end;
}
@media (min-width: 980px) {
  .hero-grid {
    grid-template-columns: 1.4fr 1fr;
  }
}

.hero-heading {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-bottom: var(--space-5);
}
.hero-heading em {
  font-style: normal;
  color: var(--color-primary);
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-bottom: var(--space-8);
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.stat-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
}
.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: var(--space-1);
}

.hero-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
}
.hero-panel-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
}
.hero-panel-row:last-child {
  border-bottom: none;
}
.hero-panel-row span:first-child {
  color: var(--color-text-faint);
}
.hero-panel-row span:last-child {
  color: var(--color-text);
  font-weight: 600;
  text-align: right;
}

/* ============================================================
   About / lore
   ============================================================ */

.about-grid {
  display: grid;
  gap: var(--space-10);
}
@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}
.about-body p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}
.about-body p:first-of-type {
  color: var(--color-text);
  font-size: var(--text-lg);
}

.style-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.style-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.style-swatch {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
}
.style-name {
  font-weight: 600;
  font-size: var(--text-sm);
}
.style-count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ============================================================
   Fragment Zero
   ============================================================ */

.fragment-section {
  background: radial-gradient(
    circle at 20% 20%,
    oklch(from var(--color-primary) l c h / 0.06),
    transparent 60%
  );
}
.fragment-grid {
  display: grid;
  gap: var(--space-10);
  align-items: center;
}
@media (min-width: 900px) {
  .fragment-grid {
    grid-template-columns: 0.8fr 1.2fr;
  }
}
.fragment-visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 1/1;
  max-width: 420px;
}
.fragment-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.fragment-tag {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  background: oklch(from var(--color-bg) l c h / 0.7);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  backdrop-filter: blur(6px);
}

.reveal-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-8);
}
.reveal-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
}
.reveal-num {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-primary);
  line-height: 1.4;
}
.reveal-step h3 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.reveal-step p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ============================================================
   Rarity tiers
   ============================================================ */

.tier-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
@media (min-width: 720px) {
  .tier-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 1080px) {
  .tier-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}
.tier-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  position: relative;
  overflow: hidden;
}
.tier-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--tier-color);
  opacity: 0.08;
}
.tier-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: var(--tier-color);
  box-shadow: 0 0 10px var(--tier-color);
  margin-bottom: var(--space-4);
  position: relative;
}
.tier-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-1);
  position: relative;
}
.tier-count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  position: relative;
}

/* ============================================================
   Gallery
   ============================================================ */

.gallery-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  position: sticky;
  top: 72px;
  z-index: 20;
  background: oklch(from var(--color-bg) l c h / 0.9);
  backdrop-filter: blur(10px);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}

.gallery-controls-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-sm);
  cursor: pointer;
}
.filter-toggle svg {
  transition: transform 0.2s ease;
}
.filter-toggle[aria-expanded='true'] {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.filter-toggle[aria-expanded='true'] svg {
  transform: rotate(180deg);
}
.filter-toggle .active-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  display: none;
}
.filter-toggle.has-active .active-dot {
  display: inline-block;
}

.gallery-advanced {
  display: none;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  padding-top: var(--space-1);
}
.gallery-advanced.is-open {
  display: flex;
}
.gallery-advanced .dropdown {
  flex: 1 1 180px;
  min-width: 0;
}
.filter-clear {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  text-decoration: underline;
  cursor: pointer;
}
.filter-clear:hover {
  color: var(--color-primary);
}

.search-input {
  flex: 1 1 220px;
  min-width: 0;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-sm);
}
.search-input:focus-visible {
  border-color: var(--color-primary);
}

.dropdown {
  position: relative;
}
.dropdown-trigger {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-family: inherit;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
}
.dropdown-trigger .dropdown-label {
  overflow: hidden;
  text-overflow: ellipsis;
}
.dropdown-trigger svg {
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.dropdown-trigger[aria-expanded='true'] {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.dropdown-trigger[aria-expanded='true'] svg {
  transform: rotate(180deg);
}
.dropdown.has-value .dropdown-trigger {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 100%;
  max-width: 280px;
  max-height: 280px;
  overflow-y: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  margin: 0;
  list-style: none;
  z-index: 30;
}
.dropdown-menu[hidden] {
  display: none;
}
.dropdown-menu li {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
  white-space: nowrap;
}
.dropdown-menu li:hover,
.dropdown-menu li:focus-visible {
  background: var(--color-surface-offset);
}
.dropdown-menu li[aria-selected='true'] {
  color: var(--color-primary);
  font-weight: 600;
}

.gallery-count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-left: auto;
  white-space: nowrap;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 900px) {
  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
@media (min-width: 1200px) {
  .gallery-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.relic-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  display: block;
  width: 100%;
  content-visibility: auto;
  contain-intrinsic-size: 260px 320px;
}
.relic-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.relic-thumb {
  aspect-ratio: 1/1;
  overflow: hidden;
  background: var(--color-surface-offset);
  position: relative;
}
.relic-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.relic-body {
  padding: var(--space-3);
}
.relic-name {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.relic-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
}
.tier-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--badge-color, var(--color-text-muted));
  white-space: nowrap;
}
.tier-badge::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  background: var(--badge-color, var(--color-text-faint));
}
.relic-style {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  white-space: normal;
  line-height: 1.3;
}

.load-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: var(--space-10);
}

.gallery-empty {
  display: none;
  text-align: center;
  padding-block: var(--space-16);
  color: var(--color-text-faint);
}
.gallery-empty.is-visible {
  display: block;
}

/* ============================================================
   Lightbox modal
   ============================================================ */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: oklch(0 0 0 / 0.82);
  backdrop-filter: blur(6px);
}
.lightbox.is-open {
  display: flex;
}
.lightbox-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-width: 880px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  display: grid;
  box-shadow: var(--shadow-lg);
}
@media (min-width: 760px) {
  .lightbox-panel {
    grid-template-columns: 1fr 1fr;
  }
}
.lightbox-image {
  background: var(--color-surface-offset);
  aspect-ratio: 1/1;
  min-width: 0;
}
.lightbox-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.lightbox-content {
  padding: var(--space-8);
  position: relative;
  min-width: 0;
}
.lightbox-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.lightbox-close:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.lightbox-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  padding-right: var(--space-10);
}
.lightbox-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.lightbox-tag {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.lightbox-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.lightbox-traits {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}
@media (max-width: 420px) {
  .lightbox-traits {
    grid-template-columns: 1fr;
  }
}
.trait-box {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-offset);
}
.trait-box-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-1);
}
.trait-box-value {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 600;
  word-break: break-word;
}

/* ============================================================
   FAQ / Roadmap
   ============================================================ */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
}
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  text-align: left;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.faq-q .plus {
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform 0.3s var(--ease-out);
  font-family: var(--font-mono);
}
.faq-item.is-open .plus {
  transform: rotate(45deg);
}
.faq-a {
  padding: 0 var(--space-5);
  max-height: 0;
  overflow: hidden;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  transition:
    max-height 0.3s var(--ease-out),
    padding 0.3s var(--ease-out);
}
.faq-item.is-open .faq-a {
  padding-bottom: var(--space-5);
  max-height: 400px;
}

/* ============================================================
   CTA band
   ============================================================ */

.cta-band {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: linear-gradient(135deg, var(--color-surface), var(--color-surface-offset));
  padding: clamp(var(--space-10), 6vw, var(--space-16));
  text-align: left;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-md);
}
.cta-band h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  max-width: 30ch;
}
.cta-band p {
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  max-width: 46ch;
}

/* ============================================================
   Footer
   ============================================================ */

.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16) var(--space-10);
}
.footer-grid {
  display: grid;
  gap: var(--space-10);
}
@media (min-width: 780px) {
  .footer-grid {
    grid-template-columns: 1.3fr 1fr 1fr;
  }
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.footer-brand img {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
}
.footer-brand span {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
}
.footer p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 40ch;
}
.footer-col h4 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer-col a:hover {
  color: var(--color-primary);
}
.footer-bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ============================================================
   Skip link
   ============================================================ */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--color-primary);
  color: #14120f;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}