:root {
  --bg: #0b0f14;
  --bg-elev: #111821;
  --bg-elev-2: #182230;
  --border: #1f2a38;
  --border-strong: #2a3a4f;
  --text: #e6edf3;
  --text-dim: #9aa7b4;
  --text-mute: #6b7886;
  --accent: #00d4b8;
  --accent-2: #2bb6ff;
  --accent-glow: rgba(0, 212, 184, 0.18);
  --danger: #ff6b6b;
  --radius: 14px;
  --radius-sm: 8px;
  --maxw: 1120px;
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(0, 212, 184, 0.10), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(43, 182, 255, 0.08), transparent 60%),
    var(--bg);
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #001a16;
  padding: 8px 12px;
  border-radius: 6px;
  z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(140%) blur(12px);
  background: rgba(11, 15, 20, 0.72);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #001a16;
  font-weight: 900;
  font-size: 18px;
  box-shadow: 0 6px 18px var(--accent-glow);
}
.brand-text { font-size: 17px; }

.primary-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}
.primary-nav a {
  color: var(--text-dim);
  font-size: 14.5px;
  font-weight: 500;
}
.primary-nav a:hover { color: var(--text); }
.nav-cta {
  color: var(--text) !important;
  padding: 6px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.nav-cta:hover {
  background: var(--bg-elev-2);
  border-color: var(--accent);
}

/* Hero */
.hero {
  padding: 96px 0 56px;
}
.hero-inner {
  max-width: 820px;
}
.eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  padding: 6px 12px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: rgba(0, 212, 184, 0.06);
}
.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(36px, 5.5vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 800;
  background: linear-gradient(180deg, #ffffff 0%, #c6d2df 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 620px;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform 0.08s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: #001a16;
  box-shadow: 0 10px 28px var(--accent-glow);
}
.btn-primary:hover { background: #19e0c5; color: #001a16; }
.btn-ghost {
  color: var(--text);
  background: transparent;
  border-color: var(--border-strong);
}
.btn-ghost:hover { background: var(--bg-elev); border-color: var(--accent); color: var(--text); }

/* Apps */
.apps { padding: 24px 0 80px; }
.category { margin-top: 56px; }
.category:first-child { margin-top: 24px; }
.category-header { margin-bottom: 22px; }
.category-header h2 {
  margin: 0 0 6px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.category-header p {
  margin: 0;
  color: var(--text-mute);
  font-size: 14.5px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  position: relative;
  display: block;
  padding: 20px 20px 18px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: transform 0.12s ease, border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 70%, rgba(0, 212, 184, 0.08));
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}
.card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  background: var(--bg-elev-2);
  box-shadow: var(--shadow-lg);
  color: var(--text);
}
.card:hover::before { opacity: 1; }

.card h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.005em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card .ext {
  color: var(--accent);
  font-weight: 500;
  font-size: 14px;
  transition: transform 0.15s ease;
}
.card:hover .ext { transform: translate(2px, -2px); }
.card p {
  margin: 0 0 14px;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.5;
}
.pill {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-mute);
  border: 1px solid var(--border-strong);
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
}
.pill-live {
  color: var(--accent);
  border-color: rgba(0, 212, 184, 0.4);
  background: rgba(0, 212, 184, 0.08);
}

/* About */
.about {
  margin-top: 72px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
}
.about h2 {
  margin: 0 0 8px;
  font-size: 20px;
}
.about p {
  margin: 0;
  color: var(--text-dim);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  margin-top: 24px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-mute);
  font-size: 13.5px;
}
.footer-inner a {
  color: var(--text-dim);
  margin-left: 16px;
}
.footer-inner a:first-child { margin-left: 0; }
.footer-inner a:hover { color: var(--accent); }

/* Mobile */
@media (max-width: 720px) {
  .primary-nav { gap: 14px; }
  .primary-nav a:not(.nav-cta) { display: none; }
  .hero { padding: 64px 0 40px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}