:root {
  color-scheme: dark;
  --bg: #020202;
  --panel: #0a0a0a;
  --text: #fdfdfd;
  --muted: #bfbfbf;
  --accent: #ffffff;
  --border: rgba(255, 255, 255, 0.08);
  --serif: "Iowan Old Style", "Baskerville", "Songti SC", "Noto Serif CJK SC", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", sans-serif;
  font-family: var(--sans);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.05), transparent 45%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.page-shell {
  display: flex;
  flex-direction: column;
  gap: 48px;
  padding: 64px clamp(24px, 5vw, 96px) 96px;
}

.hero,
.panel {
  border: 1px solid var(--border);
  border-radius: 24px;
}

.hero {
  padding: clamp(32px, 6vw, 64px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 40%);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.hero__content h1,
.panel__header h2,
.gallery-card h3,
.category-grid h4 {
  font-family: var(--serif);
  letter-spacing: -0.03em;
}

.hero__content h1 {
  margin: 12px 0 16px;
  font-size: clamp(2.75rem, 3vw, 3.8rem);
  line-height: 1.1;
}

.hero__lead {
  max-width: 55ch;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero__ctas {
  margin-top: 24px;
  display: flex;
  gap: 12px;
}

.btn {
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.btn--ghost {
  background: transparent;
}

.hero__nav {
  display: flex;
  gap: 16px;
  align-items: end;
  justify-content: flex-end;
  font-size: 0.92rem;
}

.hero__nav a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.hero__nav a:hover {
  color: var(--text);
  border-color: var(--text);
}

.eyebrow {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.36em;
  color: var(--muted);
}

.panel {
  padding: clamp(32px, 5vw, 48px);
  background: var(--panel);
}

.panel__header h2 {
  margin: 12px 0 8px;
  font-size: clamp(2rem, 2.5vw, 2.6rem);
}

.panel__body ul,
.category-list {
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.75;
}

.panel__note {
  margin-top: 24px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

.section-title {
  margin: 32px 0 16px;
  font-size: 0.92rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.gallery-intro {
  margin: 0 0 20px;
  color: var(--muted);
  line-height: 1.7;
}

.gallery-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.gallery-card {
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.02);
}

.preview-stack {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}

.preview-stage {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.02);
}

.preview-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.preview-tabs {
  display: flex;
  gap: 8px;
  align-items: center;
}

.preview-tab {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.015);
  font-size: 0.74rem;
}

.preview-tab.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.preview-tab span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.24);
}

.preview-desktop {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.preview-app {
  display: grid;
  justify-items: center;
  gap: 6px;
  width: 92px;
  text-align: center;
}

.preview-app span {
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.25;
}

.preview-dock {
  display: flex;
  align-items: end;
  gap: 10px;
  min-height: 86px;
  padding: 2px 0 0;
}

.preview-icon {
  display: block;
  height: auto;
  border-radius: 14px;
}

.preview-icon--16 {
  width: 16px;
  border-radius: 4px;
}

.preview-icon--32 {
  width: 32px;
  border-radius: 8px;
}

.preview-icon--64 {
  width: 64px;
  border-radius: 16px;
}

.gallery-card h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.gallery-card p,
.category-grid p,
.references-list li,
.site-footer p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.status {
  display: inline-flex;
  margin-top: 14px;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
}

.panel--split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.category-grid {
  display: grid;
  gap: 16px;
}

.category-grid div,
.references-list li {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.02);
}

.references-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
}

@media (max-width: 720px) {
  .hero__ctas {
    flex-direction: column;
  }

  .hero__nav {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .page-shell {
    padding-bottom: 48px;
  }

  .preview-tab {
    max-width: 100%;
  }
}