:root {
  --accent: #0A84FF;
  --accent-deep: #0060CC;
  --ink: #15151A;
  --ink-2: #5B5B66;
  --ink-3: #9A9AA6;
  --bg: #F4F3EF;
  --surface: #FFFFFF;
  --hairline: rgba(20, 20, 30, 0.08);
  --radius: 22px;
  --teal: #30D5A8;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(244, 243, 239, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--hairline);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: -0.5px; }
.brand .logo {
  width: 30px; height: 30px; border-radius: 8px;
  display: block; object-fit: cover;
}
.nav-links { display: flex; align-items: center; gap: 24px; font-size: 15px; font-weight: 500; }
.nav-links a { color: var(--ink-2); }

/* Hero */
.hero {
  background: linear-gradient(160deg, #1A1A26 0%, var(--accent-deep) 60%, var(--accent) 120%);
  color: #fff;
  padding: 80px 0 0;
  overflow: hidden;
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; margin-bottom: 45px; }
.hero h1 { font-size: 56px; line-height: 1.05; letter-spacing: -2px; font-weight: 800; }
.hero p.sub { margin-top: 20px; font-size: 19px; line-height: 1.5; color: rgba(255,255,255,0.8); max-width: 460px; }
.cta-row { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.btn {
  display: inline-block; padding: 14px 24px; border-radius: 999px; font-weight: 700; font-size: 16px;
}
.btn-primary { background: #fff; color: var(--ink); }
.btn-primary:hover { text-decoration: none; opacity: 0.92; }
.btn-ghost { color: #fff; border: 1px solid rgba(255,255,255,0.35); }
.btn-ghost:hover { text-decoration: none; background: rgba(255,255,255,0.1); }
.btn-disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }
.hero-note { margin-top: 14px; font-size: 13px; color: rgba(255,255,255,0.6); }

/* Phone */
.phone-stage { display: flex; justify-content: center; align-items: flex-end; padding-top: 24px; }
.phone {
  width: 300px; border-radius: 44px; padding: 12px;
  background: #0b0b0f; box-shadow: 0 40px 80px rgba(0,0,0,0.35);
  position: relative;
}
.phone::before {
  content: ""; position: absolute; top: 18px; left: 50%; transform: translateX(-50%);
  width: 110px; height: 26px; background: #0b0b0f; border-radius: 999px; z-index: 2;
}
.phone img { width: 100%; border-radius: 33px; display: block; }

/* Features */
.section { padding: 80px 0; }
.section h2 { font-size: 38px; letter-spacing: -1.2px; font-weight: 800; text-align: center; }
.section .lead { text-align: center; color: var(--ink-2); font-size: 18px; margin-top: 12px; max-width: 560px; margin-left: auto; margin-right: auto; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 56px; }
.card {
  background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius);
  padding: 28px; box-shadow: 0 1px 2px rgba(20,20,30,0.03), 0 8px 24px rgba(20,20,30,0.04);
}
.card .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font-size: 22px; background: rgba(10,132,255,0.1); margin-bottom: 16px; }
.card h3 { font-size: 19px; letter-spacing: -0.4px; }
.card p { color: var(--ink-2); margin-top: 8px; font-size: 15px; }

/* Showcase */
.showcase { background: #fff; border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 56px; align-items: start; }
.shots figure { text-align: center; }
.shots .phone { width: 100%; max-width: 260px; margin: 0 auto; }
.shots figcaption { margin-top: 18px; font-weight: 600; color: var(--ink); }
.shots figcaption span { display: block; font-weight: 400; color: var(--ink-3); font-size: 14px; margin-top: 2px; }

/* CTA band */
.band { background: linear-gradient(135deg, var(--accent), var(--accent-deep)); color: #fff; text-align: center; }
.band h2 { color: #fff; }
.band .lead { color: rgba(255,255,255,0.85); }

/* Footer */
footer { padding: 40px 0; color: var(--ink-2); font-size: 14px; background: var(--surface); border-top: 1px solid var(--hairline); }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px 24px; align-items: center; }
footer a { color: var(--ink-2); }
footer a:hover { color: var(--accent); text-decoration: none; }

/* Privacy page */
.doc { background: var(--surface); }
.doc .wrap { max-width: 760px; padding-top: 64px; padding-bottom: 96px; }
.doc h1 { font-size: 40px; letter-spacing: -1.4px; }
.doc .updated { color: var(--ink-3); margin-top: 8px; }
.doc h2 { font-size: 22px; margin-top: 40px; letter-spacing: -0.5px; }
.doc p, .doc li { color: var(--ink-2); margin-top: 12px; font-size: 16px; }
.doc ul { margin-top: 12px; padding-left: 22px; }
.doc li { margin-top: 8px; }

@media (max-width: 820px) {
  .hero { padding-top: 56px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 40px; }
  .hero p.sub { font-size: 17px; }
  .features, .shots { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .section h2 { font-size: 30px; }
  .nav-links a:not(.btn) { display: none; }
}