:root {
  --bg: #0a0e14;
  --bg-alt: #0e131c;
  --card: #111827;
  --border: #1f2937;
  --text: #e5e7eb;
  --text-dim: #9ca3af;
  --accent: #35d399;
  --accent-dim: #1f8a66;
  --amber: #fbbf24;
  --mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: rgba(53, 211, 153, 0.08);
  border: 1px solid rgba(53, 211, 153, 0.18);
  border-radius: 4px;
  padding: 0.1em 0.35em;
  color: #a7f3d0;
}

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

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(10, 14, 20, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-weight: 700; font-size: 18px; color: var(--text); }
.brand:hover { text-decoration: none; }
.prompt { font-family: var(--mono); color: var(--accent); font-weight: 700; }
.nav nav { display: flex; gap: 28px; }
.nav nav a { color: var(--text-dim); font-size: 15px; }
.nav nav a:hover { color: var(--text); text-decoration: none; }
.gh-link { font-weight: 600; }

/* ---------- hero ---------- */
.hero {
  padding: 96px 0 80px;
  background:
    radial-gradient(ellipse 60% 50% at 70% 20%, rgba(53, 211, 153, 0.07), transparent),
    var(--bg);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}
.badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(40px, 5.5vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.lede { font-size: 18px; color: var(--text-dim); max-width: 52ch; margin-bottom: 32px; }
.lede strong { color: var(--text); font-weight: 600; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15.5px;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: var(--accent);
  color: #06281c;
  box-shadow: 0 4px 24px rgba(53, 211, 153, 0.25);
}
.btn-primary:hover { box-shadow: 0 6px 30px rgba(53, 211, 153, 0.35); }
.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--card);
}
.btn-ghost:hover { border-color: var(--text-dim); }
.hero-note { margin-top: 18px; font-size: 13.5px; color: var(--text-dim); font-family: var(--mono); }

/* ---------- app screenshot ---------- */
.shot {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  background: #000;
}
.shot img { display: block; width: 100%; height: auto; }
.shot figcaption {
  padding: 10px 16px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  background: var(--card);
  border-top: 1px solid var(--border);
  text-align: center;
}
.shot-wide { max-width: 760px; margin: 0 auto 48px; }

/* ---------- sections ---------- */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-title {
  font-size: clamp(28px, 3.5vw, 38px);
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.section-sub { color: var(--text-dim); font-size: 17px; margin-bottom: 44px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 26px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: var(--accent-dim); transform: translateY(-2px); }
.card h3 { font-size: 17.5px; margin-bottom: 10px; letter-spacing: -0.01em; }
.card p { font-size: 14.5px; color: var(--text-dim); }

.tag {
  display: inline-block;
  vertical-align: 2px;
  margin-left: 6px;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--amber);
  border: 1px solid rgba(251, 191, 36, 0.35);
  border-radius: 999px;
  padding: 2px 9px;
}
.card-next:hover { border-color: rgba(251, 191, 36, 0.35); }

.more {
  margin-top: 56px;
  text-align: center;
  padding: 44px 24px;
  border: 1px dashed var(--border);
  border-radius: 16px;
}
.more h3 { font-size: 24px; margin-bottom: 10px; letter-spacing: -0.01em; }
.more p { color: var(--text-dim); max-width: 60ch; margin: 0 auto; }

/* ---------- CTA ---------- */
.cta { text-align: center; }
.cta-inner { max-width: 640px; }
.cta h2 { font-size: clamp(30px, 4vw, 42px); letter-spacing: -0.02em; margin-bottom: 12px; }
.cta p { color: var(--text-dim); margin-bottom: 28px; }
.cta .hero-actions { justify-content: center; }
.cta-note {
  margin-top: 26px !important;
  font-size: 13.5px;
  color: var(--text-dim);
  max-width: 56ch;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 36px 0; }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
  font-size: 14px; color: var(--text-dim);
}
.footer nav { display: flex; gap: 22px; }
.footer .brand { font-size: 15px; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero { padding: 64px 0 56px; }
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .nav nav { gap: 18px; }
  .nav nav a { font-size: 14px; }
}