/*
 * Static-site styles. Mirrors the dark theme from the main app's
 * landing page. Self-contained: no Tailwind, no build step, just
 * variables + class selectors.
 */

:root {
  --bg: #0a0a0b;
  --bg-2: #121215;
  --bg-3: #17171b;
  --bg-elev: #222228;
  --fg: #e8e6e3;
  --fg-2: #9b9a97;
  --fg-3: #5c5b58;
  --fg-4: #3a3a3d;
  --line: #26262b;
  --line-2: #1c1c20;
  --good: #34d399;
  --accent: oklch(0.8 0.13 210);
  --accent-2: oklch(0.72 0.14 215);
  --accent-soft: oklch(0.8 0.13 210 / 0.14);
  --accent-line: oklch(0.8 0.13 210 / 0.35);
  --accent-ink: #041114;

  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI",
    Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco,
    Consolas, monospace;
  --font-serif: "Fraunces", ui-serif, Georgia, Cambria, "Times New Roman",
    Times, serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}

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

@keyframes pulse-dot {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.2);
  }
}

/* ── nav ───────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line-2);
  background: rgba(10, 10, 11, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.nav-inner {
  margin: 0 auto;
  max-width: 1320px;
  padding: 0 28px;
  height: 60px;
  display: flex;
  align-items: center;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: inherit;
  text-decoration: none;
  transition: opacity 0.15s ease;
}
.brand:hover {
  opacity: 0.85;
  text-decoration: none;
}
.brand strong {
  font-weight: 500;
  color: var(--fg);
}
.brand-mark {
  display: inline-block;
  width: 18px;
  height: 18px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.05),
    0 0 14px oklch(0.8 0.13 210 / 0.3);
}

/* ── hero ──────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-2);
  padding: 64px 28px 36px;
  background:
    radial-gradient(circle at 30% 20%, oklch(0.8 0.13 210 / 0.08), transparent 55%),
    var(--bg);
}
.hero-inner {
  margin: 0 auto;
  max-width: 760px;
  text-align: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  padding: 6px 12px;
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}
.hero-eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 1.6s ease-in-out infinite;
}
.hero-title {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-size: 56px;
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--fg);
}
.hero-title em {
  color: var(--accent);
  font-style: italic;
  font-weight: 400;
}
.hero-lede {
  margin: 0 auto;
  max-width: 560px;
  color: var(--fg-2);
  font-size: 17px;
  line-height: 1.55;
}
.hero-action {
  margin: 28px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

@media (min-width: 720px) {
  .hero {
    padding: 96px 28px 56px;
  }
  .hero-title {
    font-size: 72px;
  }
  .hero-lede {
    font-size: 19px;
  }
}

/* ── card ──────────────────────────────────────────── */
.main {
  padding: 48px 28px 80px;
}
.card-frame {
  margin: 0 auto;
  max-width: 1240px;
  padding: 0;
}
.card-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 630;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-2);
  box-shadow:
    0 30px 80px -20px rgba(0, 0, 0, 0.6),
    0 0 0 1px oklch(0.8 0.13 210 / 0.06);
}
.card-frame figcaption {
  margin-top: 16px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--fg-3);
}

/* ── footer ────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--line);
  padding: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-3);
}
.footer-inner {
  margin: 0 auto;
  max-width: 1240px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
}
.footer-disclaimer {
  max-width: 560px;
  color: var(--fg-3);
  line-height: 1.6;
}
.footer-disclaimer strong {
  color: var(--fg-2);
  font-weight: 600;
}
.footer-meta {
  color: var(--fg-4);
}