:root {
  --bg: #0b1020;
  --bg-soft: rgba(255, 255, 255, 0.04);
  --panel: rgba(15, 23, 42, 0.8);
  --panel-strong: rgba(17, 24, 39, 0.95);
  --text: #edf2f7;
  --muted: #9fb0c9;
  --border: rgba(148, 163, 184, 0.18);
  --primary: #7c3aed;
  --primary-strong: #6d28d9;
  --accent: #22c55e;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --hero-glow: radial-gradient(circle at top right, rgba(124, 58, 237, 0.35), transparent 28%), radial-gradient(circle at top left, rgba(34, 197, 94, 0.18), transparent 24%);
}

html[data-theme="light"] {
  --bg: #f5f7fb;
  --bg-soft: rgba(15, 23, 42, 0.04);
  --panel: rgba(255, 255, 255, 0.9);
  --panel-strong: rgba(255, 255, 255, 0.98);
  --text: #111827;
  --muted: #5b6472;
  --border: rgba(15, 23, 42, 0.08);
  --primary: #6d28d9;
  --primary-strong: #5b21b6;
  --accent: #15803d;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  --hero-glow: radial-gradient(circle at top right, rgba(109, 40, 217, 0.14), transparent 28%), radial-gradient(circle at top left, rgba(21, 128, 61, 0.08), transparent 24%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

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

.page-shell {
  min-height: 100vh;
  background-image: var(--hero-glow);
}

.hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 20px 12px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-badge {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-weight: 800;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow);
}

.eyebrow,
.hero-kicker,
.panel-label,
.section-note,
.site-card__tag {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
}

.eyebrow,
.hero-kicker,
.section-note,
.panel-label,
.site-card__tag {
  color: var(--muted);
}

.brand {
  margin: 2px 0 0;
  font-size: 1.1rem;
}

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.8fr);
  gap: 22px;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.section,
.info-card,
.site-card {
  border: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-panel,
.section {
  border-radius: 26px;
}

.hero-copy {
  padding: 30px;
}

.hero-copy h2 {
  margin: 8px 0 14px;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.04;
}

.hero-description {
  margin: 0;
  max-width: 66ch;
  color: var(--muted);
  line-height: 1.7;
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 14px;
  font-weight: 600;
  border: 1px solid var(--border);
}

.button--primary {
  background: var(--primary);
  color: white;
  border-color: transparent;
}

.button--primary:hover { background: var(--primary-strong); }

.button--ghost {
  background: transparent;
}

.hero-panel {
  padding: 24px;
}

.resource-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.resource-list li {
  padding: 12px 14px;
  border-radius: 16px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 4px 20px 36px;
}

.section {
  padding: 28px;
  margin-top: 24px;
}

.section--muted {
  background: linear-gradient(180deg, var(--panel), var(--panel-strong));
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.section-heading h3,
.info-card h4,
.site-card h4 {
  margin: 6px 0 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat( auto-fit, minmax(240px, 1fr) );
  gap: 16px;
}

.site-card {
  border-radius: 22px;
  padding: 20px;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.site-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 58, 237, 0.5);
}

.site-card p,
.info-card p {
  color: var(--muted);
  line-height: 1.65;
}

.site-card__url {
  display: inline-block;
  margin-top: 10px;
  color: var(--accent);
  font-size: 0.92rem;
  word-break: break-word;
}

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

.info-card {
  border-radius: 22px;
  padding: 20px;
}

@media (max-width: 840px) {
  .hero-content,
  .section-heading {
    grid-template-columns: 1fr;
    display: grid;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 540px) {
  .hero,
  main {
    padding-left: 14px;
    padding-right: 14px;
  }

  .hero-copy,
  .hero-panel,
  .section {
    padding: 20px;
    border-radius: 20px;
  }

  .brand {
    font-size: 1rem;
  }
}