:root {
  --bg: #0a0a0f;
  --bg-soft: #14141c;
  --card: #16161f;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f3f3f5;
  --text2: #a9a9b6;
  --accent: #e50914;
  --accent-bright: #ff2b36;
  --radius: 14px;
  --maxw: 1100px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
  background: rgba(10, 10, 15, 0.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.logo {
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
  font-size: 13px; font-weight: 800; color: #fff;
}
.logo-sm { width: 24px; height: 24px; font-size: 11px; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--text2); font-size: 15px; transition: color .15s; }
.nav-links a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 10px; font-weight: 600; font-size: 15px;
  border: 1px solid var(--border); cursor: pointer; transition: transform .12s, background .15s, border-color .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-sm { padding: 7px 14px; font-size: 14px; background: var(--accent); border-color: transparent; color: #fff; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-bright)); border-color: transparent; color: #fff; box-shadow: 0 6px 24px rgba(229, 9, 20, 0.3); }
.btn-ghost { background: transparent; color: var(--text); }
.btn-ghost:hover { border-color: rgba(255,255,255,0.25); }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  max-width: var(--maxw); margin: 0 auto; padding: 96px 24px 64px; text-align: center;
}
.hero-glow {
  position: absolute; inset: -20% 0 auto 0; height: 520px; z-index: -1;
  background: radial-gradient(closest-side, rgba(229,9,20,0.22), transparent 70%);
  filter: blur(20px);
}
.pill {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  background: rgba(255,255,255,0.06); border: 1px solid var(--border);
  color: var(--text2); font-size: 13px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(34px, 6vw, 60px); line-height: 1.05; letter-spacing: -0.02em; font-weight: 800; }
.accent { color: var(--accent-bright); }
.sub { max-width: 680px; margin: 22px auto 0; color: var(--text2); font-size: 18px; }
.sub strong { color: var(--text); font-weight: 600; }
.cta { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 34px; }
.note { margin-top: 18px; color: var(--text2); font-size: 14px; }

/* Screens */
.screens {
  max-width: var(--maxw); margin: 24px auto; padding: 0 24px;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 22px;
}
.screens figure { margin: 0; }
.screens img {
  width: 100%; border-radius: var(--radius);
  border: 1px solid var(--border); box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.screens figcaption { margin-top: 10px; color: var(--text2); font-size: 14px; text-align: center; }
.screens figure:first-child { grid-column: 1 / -1; max-width: 760px; margin: 0 auto; }

/* Features */
.features { max-width: var(--maxw); margin: 80px auto; padding: 0 24px; }
.features h2, .download-cta h2 { text-align: center; font-size: clamp(26px, 4vw, 38px); font-weight: 800; letter-spacing: -0.02em; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; margin-top: 40px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; transition: border-color .15s, transform .15s;
}
.card:hover { border-color: rgba(255,255,255,0.18); transform: translateY(-2px); }
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--text2); font-size: 15px; }

/* Download CTA */
.download-cta { text-align: center; padding: 80px 24px; background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.download-cta p { color: var(--text2); margin-top: 10px; }
.download-cta .cta { margin-top: 28px; }

/* Footer */
.footer {
  max-width: var(--maxw); margin: 0 auto; padding: 40px 24px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 16px; justify-content: space-between;
  color: var(--text2); font-size: 14px;
}
.footer > span:first-child { display: inline-flex; align-items: center; gap: 8px; color: var(--text); font-weight: 600; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { color: var(--text2); transition: color .15s; }
.footer-links a:hover { color: var(--text); }
.muted { opacity: 0.7; }