@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/static/fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url('/static/fonts/jetbrainsmono-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Inter Fallback';
  src: local('Arial');
  size-adjust: 107.4%;
  ascent-override: 90%;
  descent-override: 22.43%;
  line-gap-override: 0%;
}

:root {
  --bg: #000000;
  --bg-card: #0f0f0f;
  --bg-card-hover: #141414;
  --bg-code: #0a0a0a;
  --border: #1f1f1f;
  --border-strong: #2e2e2e;
  --text: #ededed;
  --text-soft: #a1a1a1;
  --text-faint: #8a8a8a;
  --gradient-1: #ff0080;
  --gradient-2: #7928ca;
  --gradient-3: #0070f3;
  --gradient-4: #00dfd8;
  --gradient-5: #f5a623;
  --gradient-6: #ff4d4d;
  --gradient-7: #22c55e;
  --sans: 'Inter', 'Inter Fallback', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'Courier New', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--gradient-3); color: #fff; }

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

/* Mesh gradient background */
.mesh-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.mesh-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  will-change: transform;
}

/* Topbar */
.topbar {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 8px 8px 20px;
  display: flex;
  align-items: center;
  gap: 32px;
  transition: box-shadow 0.3s ease;
}
.topbar.is-scrolled { box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5); }

.brand {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-mark {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2), var(--gradient-3));
  box-shadow: 0 0 20px rgba(255, 0, 128, 0.4);
  animation: rotate-mark 8s linear infinite;
}
@keyframes rotate-mark {
  0% { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}

.nav {
  display: flex;
  gap: 4px;
  font-size: 13px;
  color: var(--text-soft);
}
.nav a {
  padding: 6px 12px;
  border-radius: 999px;
  transition: all 0.2s;
}
.nav a:hover,
.nav a.current { color: var(--text); background: var(--bg-card-hover); }

.topbar-cta {
  background: var(--text);
  color: var(--bg);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  transition: opacity 0.2s;
}
.topbar-cta:hover { opacity: 0.9; }

@media (max-width: 720px) {
  .topbar { padding: 6px 6px 6px 16px; gap: 16px; }
  .nav { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}