:root {
  --bg: #05070f;
  --bg-2: #0a0f1f;
  --ink: #eef2ff;
  --muted: #9aa6c4;
  --line: rgba(160, 180, 230, 0.12);
  --card: rgba(255, 255, 255, 0.04);
  --card-brd: rgba(255, 255, 255, 0.08);
  --accent: #8db4ff;
  --accent-2: #c9a8ff;
  --glow: rgba(141, 180, 255, 0.45);
  --radius: 20px;
  --maxw: 1120px;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: radial-gradient(120% 90% at 50% -10%, #11183a 0%, var(--bg-2) 38%, var(--bg) 100%);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---------- Sky background ---------- */
.sky { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
#starfield { position: absolute; inset: 0; width: 100%; height: 100%; }
.moon {
  position: absolute;
  top: 8%; right: 12%;
  width: 130px; height: 130px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fffdf3, #e8eeff 45%, #aab8e6 100%);
  box-shadow: 0 0 80px 30px rgba(220, 230, 255, 0.25), inset -18px -10px 40px rgba(80, 100, 160, 0.5);
  opacity: 0.85;
}
.aurora {
  position: absolute;
  bottom: -20%; left: -10%; right: -10%;
  height: 60%;
  background: radial-gradient(60% 80% at 20% 100%, rgba(80, 220, 180, 0.18), transparent 60%),
              radial-gradient(60% 80% at 80% 100%, rgba(160, 120, 255, 0.18), transparent 60%);
  filter: blur(30px);
  animation: drift 14s ease-in-out infinite alternate;
}
@keyframes drift { from { transform: translateX(-3%); } to { transform: translateX(3%); } }

/* ---------- Layout primitives ---------- */
.section { max-width: var(--maxw); margin: 0 auto; padding: 96px 24px; }
.narrow { max-width: 760px; }
.center { text-align: center; }
.center .chips, .center .hero-actions { justify-content: center; }
.eyebrow {
  display: inline-block;
  font-size: 0.8rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent); font-weight: 600; margin-bottom: 14px;
}
h1, h2, h3 { line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 0.4em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }
.muted { color: var(--muted); font-size: 1.08rem; }
.small { font-size: 0.85rem; }
.section-head { margin-bottom: 56px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 24px; border-radius: 999px;
  font-weight: 600; font-size: 0.98rem; text-decoration: none;
  border: 1px solid transparent; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0a0f1f; box-shadow: 0 8px 30px -8px var(--glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -10px var(--glow); }
.btn-ghost { background: var(--card); border-color: var(--card-brd); color: var(--ink); }
.btn-ghost:hover { background: rgba(255,255,255,0.08); }
.btn-link { color: var(--accent); background: none; }
.btn-link:hover { color: #fff; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 24px;
  max-width: var(--maxw); margin: 0 auto; padding: 16px 24px;
  backdrop-filter: blur(10px);
}
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.15rem; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
.brand-mark { color: var(--accent); }
.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 0.95rem; transition: color .15s; }
.nav-links a:hover { color: var(--ink); }

/* ---------- Badge ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.82rem; color: var(--accent);
  background: rgba(141,180,255,0.1); border: 1px solid rgba(141,180,255,0.25);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 var(--glow); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 var(--glow); } 70% { box-shadow: 0 0 0 8px rgba(141,180,255,0); } 100% { box-shadow: 0 0 0 0 rgba(141,180,255,0); } }

/* ---------- Hero ---------- */
.hero {
  max-width: var(--maxw); margin: 0 auto;
  padding: 56px 24px 72px;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center;
}
.lede { font-size: 1.18rem; color: var(--muted); max-width: 30em; }
.hero-actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin: 28px 0 18px; }
.hero-foot { font-size: 0.85rem; color: var(--muted); }

/* ---------- Phone mockup ---------- */
.phone { position: relative; display: grid; place-items: center; }
.phone-frame {
  position: relative; width: 280px; height: 580px;
  background: #0c0f1a; border: 10px solid #1b2030; border-radius: 46px;
  box-shadow: 0 40px 80px -20px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.05);
  overflow: hidden; z-index: 2;
}
.phone-notch { position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 120px; height: 26px; background: #1b2030; border-radius: 0 0 16px 16px; z-index: 3; }
.phone-screen { position: absolute; inset: 0; border-radius: 36px; overflow: hidden; }
.phone-glow { position: absolute; width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle, var(--glow), transparent 65%); filter: blur(30px); opacity: 0.55; z-index: 1; }

.app-preview {
  position: absolute; inset: 0;
  background: radial-gradient(120% 80% at 50% 0%, #1a2444 0%, #070b18 70%);
  display: flex; flex-direction: column; padding: 44px 18px 22px; color: #eaf0ff;
}
.app-stars { position: absolute; inset: 0;
  background-image: radial-gradient(1.5px 1.5px at 20% 30%, #fff, transparent),
    radial-gradient(1px 1px at 60% 20%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 80% 40%, #cdd9ff, transparent),
    radial-gradient(1px 1px at 35% 60%, #fff, transparent),
    radial-gradient(1px 1px at 75% 70%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 15% 80%, #cdd9ff, transparent);
  opacity: 0.8; }
.app-top { display: flex; justify-content: space-between; align-items: center; font-size: 0.82rem; position: relative; }
.app-rec { display: inline-flex; align-items: center; gap: 5px; color: #ff7a7a; font-weight: 600; font-size: 0.72rem; }
.app-rec i { width: 7px; height: 7px; border-radius: 50%; background: #ff5a5a; animation: pulse 1.6s infinite; }
.app-center { flex: 1; display: grid; place-items: center; position: relative; }
.ring { position: relative; width: 150px; height: 150px; border-radius: 50%;
  background: conic-gradient(var(--accent) 0deg, var(--accent) 200deg, rgba(255,255,255,0.08) 200deg);
  display: grid; place-items: center; box-shadow: 0 0 40px -6px var(--glow); }
.ring::after { content: ""; position: absolute; inset: 12px; border-radius: 50%; background: #0a1020; }
.ring-label { position: relative; text-align: center; z-index: 1; }
.ring-label strong { display: block; font-size: 2rem; font-weight: 700; }
.ring-label small { color: var(--muted); font-size: 0.72rem; }
.app-checks { display: flex; justify-content: center; gap: 10px; font-size: 0.68rem; color: #9fe6c0; position: relative; margin-bottom: 14px; }
.app-status { position: relative; text-align: center; }
.app-status p { font-size: 0.78rem; color: var(--muted); margin: 0 0 12px; }
.app-btn { background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15); padding: 12px; border-radius: 14px; font-size: 0.85rem; font-weight: 600; }

/* ---------- Strip ---------- */
.strip { max-width: var(--maxw); margin: 0 auto; padding: 24px;
  display: flex; align-items: center; justify-content: center; gap: 18px; flex-wrap: wrap;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.strip-item { display: flex; flex-direction: column; align-items: center; min-width: 110px; }
.strip-item strong { font-size: 1.1rem; }
.strip-item span { color: var(--muted); font-size: 0.85rem; }
.strip-divider { width: 30px; height: 1px; background: var(--line); }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { background: var(--card); border: 1px solid var(--card-brd); border-radius: var(--radius); padding: 26px; }
.step-num { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #0a0f1f; font-weight: 700; margin-bottom: 16px; }
.step p { color: var(--muted); font-size: 0.96rem; margin: 0; }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--card); border: 1px solid var(--card-brd); border-radius: var(--radius); padding: 28px;
  transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.card:hover { transform: translateY(-4px); border-color: rgba(141,180,255,0.35); background: rgba(141,180,255,0.05); }
.card-ico { font-size: 1.8rem; margin-bottom: 14px; }
.card p { color: var(--muted); font-size: 0.96rem; margin: 0; }

/* ---------- Apple Intelligence ---------- */
.ai-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.ai-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 14px; }
.ai-list li { position: relative; padding-left: 26px; color: var(--muted); }
.ai-list li::before { content: "✦"; position: absolute; left: 0; color: var(--accent); }
.ai-list strong { color: var(--ink); }
.ai-chat { display: grid; gap: 14px; }
.bubble { padding: 16px 18px; border-radius: 18px; font-size: 0.98rem; max-width: 88%; }
.bubble.user { justify-self: end; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #0a0f1f; border-bottom-right-radius: 6px; font-weight: 500; }
.bubble.app { justify-self: start; background: var(--card); border: 1px solid var(--card-brd); border-bottom-left-radius: 6px; color: var(--ink); }
.bubble.app strong { color: var(--accent); }
.bubble-cta { display: inline-block; margin-top: 12px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #0a0f1f; font-weight: 600; padding: 8px 18px; border-radius: 999px; font-size: 0.88rem; }
.badge-bubble { justify-self: center; background: rgba(141,180,255,0.1); border: 1px solid rgba(141,180,255,0.25); color: var(--accent); font-size: 0.8rem; max-width: none; padding: 8px 16px; }

/* ---------- Chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.chips span { background: var(--card); border: 1px solid var(--card-brd); padding: 9px 18px; border-radius: 999px; font-size: 0.9rem; color: var(--ink); }

/* ---------- CTA ---------- */
.cta-card { max-width: 620px; margin: 0 auto; background: linear-gradient(180deg, rgba(141,180,255,0.08), rgba(201,168,255,0.04));
  border: 1px solid var(--card-brd); border-radius: 28px; padding: 56px 40px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); margin-top: 40px; }
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 48px 24px; text-align: center; display: grid; gap: 8px; justify-items: center; }

/* ---------- Reveal animation ---------- */
.section, .strip { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.section.in, .strip.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { order: 1; }
  .phone { order: 0; }
  .hero-actions, .chips { justify-content: center; }
  .lede { margin-inline: auto; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .ai-grid { grid-template-columns: 1fr; gap: 32px; }
  .nav-links { display: none; }
  .moon { width: 90px; height: 90px; top: 6%; right: 8%; }
}
@media (max-width: 560px) {
  .steps, .cards { grid-template-columns: 1fr; }
  .section { padding: 64px 20px; }
  .strip-divider { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, .aurora, .dot, .app-rec i { animation: none !important; }
  .section, .strip { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}