:root {
  --bg: #0f172a;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --primary: #4F46E5;
  --card: #111827;
  --border: #1f2937;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container { max-width: 960px; margin: 0 auto; padding: 24px; }
.nav { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; }
.brand { font-weight: 700; letter-spacing: 0.2px; }
.brand a { color: var(--text); text-decoration: none; }
.links a { color: var(--muted); text-decoration: none; margin-left: 16px; }
.links a:hover { color: var(--text); }

.hero { padding: 64px 0 40px; text-align: center; }
.title { font-size: clamp(32px, 6vw, 56px); margin: 0 0 12px; font-weight: 800; letter-spacing: -0.02em; }
.subtitle { color: var(--muted); font-size: clamp(16px, 3.5vw, 20px); margin: 0 auto 28px; max-width: 760px; }
.bullets { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 24px 0 36px; }
.bullet { display: flex; gap: 12px; align-items: flex-start; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; color: var(--text); text-align: left; }
.bullet svg { flex: 0 0 auto; }
.bullet strong { display: block; font-weight: 700; margin-bottom: 4px; }
.bullet span { color: var(--muted); }

.cta { display: inline-flex; gap: 12px; align-items: center; color: white; background: var(--primary); border: none; padding: 12px 18px; border-radius: 8px; text-decoration: none; font-weight: 600; }
.cta:hover { opacity: 0.95; }

.cta-row { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.store-badge { display: inline-flex; gap: 10px; align-items: center; padding: 10px 14px; border-radius: 10px; background: #0b1220; border: 1px solid #263248; color: #fff; text-decoration: none; }
.store-badge:hover { background: #0d1628; }
.store-badge .label { display: grid; line-height: 1; }
.store-badge .small { font-size: 10px; color: #cbd5e1; }
.store-badge .big { font-size: 16px; font-weight: 700; }
.store-badge[aria-disabled="true"] { cursor: not-allowed; opacity: 0.6; pointer-events: none; }

.hero-visual { position: relative; max-width: 900px; margin: 30px auto 0; }
.blob { position: absolute; inset: 0; filter: blur(40px); opacity: 0.5; }
.phone { position: relative; width: min(420px, 90%); margin: 0 auto; background: linear-gradient(180deg, #0b1220, #0a1020); border: 1px solid #243041; border-radius: 28px; padding: 24px; box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.phone .notch { width: 40%; height: 14px; background: #0b1220; border: 1px solid #243041; border-bottom: none; border-radius: 0 0 14px 14px; margin: 0 auto 16px; }
.phone .screen { border-radius: 16px; border: 1px solid #1e293b; background: radial-gradient(1200px 400px at 50% -200px, rgba(79,70,229,0.4), rgba(79,70,229,0) 60%), rgba(10,14,25,0.9); padding: 20px; min-height: 260px; display: grid; align-items: center; justify-items: center; }
.phone .screen h3 { margin: 0; font-size: 18px; color: #e5e7eb; }
.phone .screen p { margin: 6px 0 0; font-size: 13px; color: #94a3b8; text-align: center; }

footer { border-top: 1px solid var(--border); margin-top: 56px; padding: 20px 0; color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text); }

.prose { line-height: 1.6; }
.prose h1 { font-size: 32px; margin: 0 0 12px; }
.prose h2 { font-size: 22px; margin: 28px 0 8px; }
.prose p { margin: 12px 0; color: var(--text); }
.prose ul { margin: 10px 0 10px 18px; color: var(--text); }
.prose li { margin: 6px 0; }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 24px 0; }

.muted { color: var(--muted); }

/* Mobile tweaks */
@media (max-width: 640px) {
  .container { padding: 16px; }
  .nav { flex-direction: column; gap: 8px; align-items: flex-start; }
  .links { display: flex; flex-wrap: wrap; gap: 10px; }
  .links a { margin-left: 0; }
  .hero { padding: 40px 0 28px; }
  .cta-row { flex-direction: column; align-items: stretch; gap: 10px; }
  .store-badge, .cta { width: 100%; justify-content: center; }
  .bullets { grid-template-columns: 1fr; }
  .phone { width: 100%; }
}