/* ── Reset & Variables ─────────────────────────────────────── */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  color-scheme: light;
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-sans: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --max-width: 1080px;
  --radius: 2px;
  --radius-sm: 1px;
  --transition: 0.2s ease;
  --bg: #f4f3ef;
  --bg-subtle: #ecebe5;
  --bg-card: #fafaf7;
  --text: #1f2124;
  --text-secondary: #676d75;
  --border: #d9d8d1;
  --border-strong: #bfbeb5;
  --accent: #9c3620;
  --accent-hover: #742817;
  --accent-subtle: #f3e4de;
  --accent-solid: #9c3620;
  --accent-solid-hover: #742817;
  --accent-on-solid: #ffffff;
  --pigment-info: #2a4457;
  --pigment-ochre: #7a5a22;
  --pigment-green: #3e6357;
  --grain: rgb(31 33 36 / 3%);
  --hero-bg:
    radial-gradient(circle at 14% 18%, rgb(184 68 42 / 10%), transparent 32%),
    radial-gradient(circle at 84% 78%, rgb(62 99 87 / 9%), transparent 36%),
    var(--bg-subtle);
  --card-shadow: 0 1px 0 rgb(31 33 36 / 8%), 0 8px 24px rgb(66 57 47 / 5%);
  --card-shadow-hover: 0 1px 0 rgb(31 33 36 / 10%), 0 14px 30px rgb(66 57 47 / 10%);
  --code-bg: #101317;
  --code-bar: #171b20;
  --code-text: #e8e9ea;
  --code-muted: #8a929b;
  --code-keyword: #9cc0d9;
  --code-type: #e8e9ea;
  --code-string: #f09274;
  --code-number: #dbb975;
  --code-comment: #90bcab;
  --footer-bg: #ecebe5;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #16191d;
  --bg-subtle: #101317;
  --bg-card: #1d2126;
  --text: #e8e9ea;
  --text-secondary: #a9b0b8;
  --border: #2a2f35;
  --border-strong: #3d444c;
  --accent: #f09274;
  --accent-hover: #ffc0ab;
  --accent-subtle: #2a1913;
  --accent-solid: #b8442a;
  --accent-solid-hover: #cf5a3e;
  --accent-on-solid: #ffffff;
  --pigment-info: #9cc0d9;
  --pigment-ochre: #dbb975;
  --pigment-green: #90bcab;
  --grain: rgb(232 233 234 / 2.2%);
  --hero-bg:
    radial-gradient(circle at 14% 18%, rgb(228 121 92 / 10%), transparent 32%),
    radial-gradient(circle at 84% 78%, rgb(116 163 146 / 8%), transparent 36%),
    var(--bg-subtle);
  --card-shadow: 0 1px 0 rgb(0 0 0 / 30%), 0 8px 24px rgb(0 0 0 / 12%);
  --card-shadow-hover: 0 1px 0 rgb(0 0 0 / 40%), 0 14px 30px rgb(0 0 0 / 22%);
  --footer-bg: #101317;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 0.18em;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-hover);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header ───────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-card);
  background-image:
    radial-gradient(circle at 20% 30%, var(--grain) 0 0.55px, transparent 0.7px),
    radial-gradient(circle at 70% 65%, var(--grain) 0 0.45px, transparent 0.65px);
  background-size: 13px 17px, 19px 23px;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.logo-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.015em;
}

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

.logo-link::after {
  position: absolute;
  right: 0;
  bottom: -3px;
  left: 40px;
  height: 3px;
  content: "";
  background: var(--accent-solid);
  clip-path: polygon(0 25%, 82% 0, 100% 42%, 86% 74%, 0 100%);
}

.logo-img {
  border-radius: 4px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-link {
  position: relative;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  padding-block: 18px;
  transition: color var(--transition);
}

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

.nav-link::after {
  position: absolute;
  right: 0;
  bottom: 12px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--accent-solid);
  clip-path: polygon(0 35%, 88% 0, 100% 50%, 88% 80%, 0 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.15s cubic-bezier(0.2, 0.6, 0.2, 1);
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

.theme-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

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

[data-theme="light"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }

/* ── Hero ─────────────────────────────────────────────────── */

.hero {
  background: var(--hero-bg);
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--border);
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-top: 48px;
  margin-bottom: 24px;
}

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

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 56px;
}

.hero-subtitle a {
  font-weight: 500;
}

.hero-actions-primary {
  margin-bottom: 12px;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  align-items: center;
  flex-wrap: nowrap;
  margin-bottom: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}

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

.btn-primary:hover {
  background: var(--accent-solid-hover);
  color: var(--accent-on-solid);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
}

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

.hero-install {
  display: inline-flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 24px;
}

.hero-install code {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-secondary);
}

/* ── Showcase ─────────────────────────────────────────────── */

.showcase-section {
  padding: 56px 0 40px;
}

.showcase-header {
  max-width: 760px;
  margin: 0 auto 28px;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  align-items: stretch;
}

.code-window {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--code-bg);
  display: flex;
  flex-direction: column;
}

.code-sample-shell {
  position: relative;
  display: flex;
  flex: 1;
  flex-direction: column;
}

.code-window-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--code-bar);
  border-bottom: 1px solid #2a2f35;
}

.code-window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #3d444c;
}

.code-window-title {
  margin-left: 6px;
  color: var(--code-text);
  font-size: 13px;
  font-weight: 600;
}

.copy-code-btn {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgb(201 160 83 / 35%);
  background: rgb(201 160 83 / 10%);
  color: var(--code-text);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}

.copy-code-btn svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.copy-code-btn:hover {
  background: rgb(201 160 83 / 18%);
  border-color: rgb(219 185 117 / 72%);
  transform: translateY(-1px);
}

.copy-code-btn:focus-visible {
  outline: 2px solid #8bcbff;
  outline-offset: 2px;
}

.code-window pre {
  margin: 0;
  padding: 16px 18px;
  overflow: auto;
  scrollbar-width: thin;
  flex: 1;
}

.code-window code {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.65;
  color: var(--code-text);
  tab-size: 4;
}

.code-full {
  display: none;
}

.code-sample-shell.is-expanded .code-preview {
  display: none;
}

.code-sample-shell.is-expanded .code-full {
  display: block;
}

.code-sample-shell.is-collapsed::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 18px;
  background: linear-gradient(180deg, rgb(16 19 23 / 88%), transparent);
  pointer-events: none;
  z-index: 1;
}

.code-sample-shell.is-collapsed .code-sample-fade {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 74px;
  background: linear-gradient(180deg, transparent, rgb(16 19 23 / 95%) 60%, var(--code-bg));
  pointer-events: none;
  z-index: 1;
}

.expand-code-btn {
  position: absolute;
  left: 50%;
  bottom: 10px;
  transform: translateX(-50%);
  z-index: 2;
  border: 1px solid rgb(138 146 155 / 40%);
  background: rgb(16 19 23 / 95%);
  color: var(--code-text);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}

.expand-code-btn:hover {
  border-color: rgb(219 185 117 / 70%);
  color: #dbb975;
}

.expand-code-btn:focus-visible {
  outline: 2px solid #8bcbff;
  outline-offset: 2px;
}

.code-sample-shell.is-expanded .code-sample-fade {
  display: none;
}

.code-sample-shell.is-expanded .expand-code-btn {
  position: static;
  display: block;
  width: fit-content;
  margin: 8px auto 14px;
  transform: none;
}

.token-keyword {
  color: var(--code-keyword);
}

.token-comment {
  color: var(--code-comment);
}

.token-type {
  color: var(--code-type);
}

.token-string {
  color: var(--code-string);
}

.token-number {
  color: var(--code-number);
}

.render-preview {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.render-art {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  flex: 1;
  align-items: center;
  padding: 12px;
  background: var(--bg-card);
}

.render-art-inner {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 16px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgb(201 160 83 / 14%), transparent 38%),
    radial-gradient(circle at bottom right, rgb(62 99 87 / 12%), transparent 42%),
    var(--bg);
}

.render-art-inner svg {
  width: 100%;
  height: auto;
  display: block;
}

.showcase-callout {
  margin: 16px 0 0;
  padding: 14px 18px 14px 16px;
  color: var(--text-secondary);
  font-size: 13px;
  background: var(--bg-subtle);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.showcase-callout code {
  display: inline-block;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text);
}

/* ── Cards ────────────────────────────────────────────────── */

.cards-section,
.galleries-section {
  padding: 64px 0;
}

.section-alt {
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-kicker {
  text-align: center;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-intro {
  max-width: 680px;
  margin: -24px auto 36px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 16px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.cards-grid-resources {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.cards-grid + .cards-grid {
  margin-top: 20px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  display: flex;
  flex-direction: column;
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  transition: all var(--transition);
  color: var(--text);
}

.card:hover {
  box-shadow: var(--card-shadow-hover);
  border-color: var(--accent);
  transform: translateY(-2px);
  color: var(--text);
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--accent);
  margin-bottom: 16px;
}

.gallery-card {
  position: relative;
  overflow: hidden;
}

.gallery-card-placeholder {
  background: var(--bg);
  border-style: dashed;
  cursor: default;
}

.gallery-card-placeholder:hover {
  box-shadow: var(--card-shadow);
  border-color: var(--border);
  transform: none;
  color: var(--text);
}

.gallery-card-featured {
  background:
    linear-gradient(135deg, var(--accent-subtle) 0%, transparent 65%),
    var(--bg-card);
}

.gallery-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--accent-subtle);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.gallery-badge-muted {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.gallery-logo {
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.gallery-grid-small {
  margin-top: 16px;
  grid-template-columns: repeat(3, 1fr);
}

.platform-pill-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 28px;
  list-style: none;
}

.platform-pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}

.platform-pill:hover {
  border-color: var(--accent);
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
}

.explore-pill-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 28px;
  list-style: none;
  padding: 0;
}

.explore-pill {
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
}

.explore-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
}

.card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.card-link {
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}

.card:hover .card-link {
  color: var(--accent-hover);
}

/* ── Features ─────────────────────────────────────────────── */

.features-section {
  padding: 56px 0;
}

.section-title {
  position: relative;
  width: fit-content;
  margin-inline: auto;
  padding-bottom: 10px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 40px;
  letter-spacing: -0.02em;
}

.section-title::after {
  position: absolute;
  right: 8%;
  bottom: 0;
  left: 4%;
  height: 3px;
  content: "";
  background: var(--accent-solid);
  clip-path: polygon(0 25%, 82% 0, 100% 42%, 86% 74%, 0 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.feature {
  padding: 24px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}

.feature:hover {
  border-color: var(--accent);
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
}

.feature h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Footer ───────────────────────────────────────────────── */

.site-footer {
  background-color: var(--footer-bg);
  background-image:
    radial-gradient(circle at 20% 30%, var(--grain) 0 0.55px, transparent 0.7px),
    radial-gradient(circle at 70% 65%, var(--grain) 0 0.45px, transparent 0.65px);
  background-size: 13px 17px, 19px 23px;
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-inner p {
  font-size: 13px;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color var(--transition);
}

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

/* ── Responsive ───────────────────────────────────────────── */

@media (max-width: 640px) {
  .header-inner {
    gap: 12px;
  }

  .logo-link span {
    display: none;
  }

  .logo-link::after {
    display: none;
  }

  .header-nav {
    gap: 12px;
  }

  .nav-link {
    font-size: 13px;
  }

  .hero {
    padding: 48px 0 40px;
  }

  .showcase-section,
  .galleries-section,
  .cards-section {
    padding: 40px 0;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid-small {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 900px) {
  .showcase-grid {
    grid-template-columns: 1fr;
  }

}

@media (min-width: 901px) {
  .gallery-card-featured {
    grid-column: span 2;
  }
}