:root {
  --blue: #3B82F6;
  --indigo: #4F46E5;
  --ink: #0f172a;
  --muted: #64748b;
  --bg: #ffffff;
  --card: #f8fafc;
  --border: #e2e8f0;
  --radius: 16px;
  --maxw: 1080px;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Header */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,0.8);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav .wrap { display: flex; align-items: center; gap: 16px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); }
.brand img { width: 30px; height: 30px; border-radius: 7px; }
.nav .spacer { flex: 1; }
.nav a.navlink { color: var(--muted); font-size: 15px; font-weight: 500; }
.nav a.navlink:hover { color: var(--ink); text-decoration: none; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--blue), var(--indigo));
  color: white; text-align: center;
  padding: 72px 0 84px;
}
.hero img.appicon {
  width: 108px; height: 108px; border-radius: 24px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
  margin-bottom: 22px;
}
.hero h1 { font-size: clamp(34px, 6vw, 52px); margin: 0 0 8px; letter-spacing: -0.02em; }
.hero p.tagline { font-size: clamp(17px, 3vw, 21px); opacity: 0.92; margin: 0 auto 8px; max-width: 620px; }
.hero p.sub { opacity: 0.8; margin: 0 auto 28px; max-width: 560px; }
.badges { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: white; color: var(--indigo);
  font-weight: 600; padding: 12px 22px; border-radius: 12px;
  border: 0; cursor: pointer; transition: transform .12s ease, box-shadow .12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); box-shadow: 0 10px 24px rgba(0,0,0,0.18); }
.btn.ghost { background: rgba(255,255,255,0.14); color: white; border: 1px solid rgba(255,255,255,0.4); }
.pill {
  display: inline-block; margin-top: 26px; padding: 6px 14px;
  background: rgba(255,255,255,0.16); border-radius: 999px; font-size: 14px;
}

/* Sections */
section { padding: 72px 0; }
section h2 { font-size: clamp(26px, 4vw, 34px); text-align: center; margin: 0 0 8px; letter-spacing: -0.01em; }
section p.lead { text-align: center; color: var(--muted); max-width: 620px; margin: 0 auto 44px; }

.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.card h3 { margin: 0 0 6px; font-size: 17px; display: flex; align-items: center; gap: 8px; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; }
.tag-pro {
  font-size: 11px; font-weight: 700; color: white;
  background: linear-gradient(135deg, var(--blue), var(--indigo));
  padding: 2px 7px; border-radius: 6px; letter-spacing: .03em;
}

.alt { background: var(--card); }

/* Screenshots */
.shots { display: flex; gap: 20px; overflow-x: auto; padding: 8px 4px 20px; scroll-snap-type: x mandatory; }
.shots img {
  width: 260px; flex: 0 0 auto; border-radius: 22px;
  border: 1px solid var(--border); box-shadow: 0 12px 34px rgba(15,23,42,0.12);
  scroll-snap-align: center;
}

/* Privacy highlight */
.privacy-band { background: linear-gradient(135deg, var(--blue), var(--indigo)); color: white; text-align: center; }
.privacy-band h2 { color: white; }
.privacy-band p.lead { color: rgba(255,255,255,0.9); }

/* Content pages (privacy/support) */
.doc { max-width: 760px; margin: 0 auto; padding: 56px 24px 80px; }
.doc h1 { font-size: 34px; margin: 0 0 6px; }
.doc .updated { color: var(--muted); margin: 0 0 32px; }
.doc h2 { font-size: 22px; margin: 34px 0 10px; }
.doc h3 { font-size: 17px; margin: 22px 0 6px; }
.doc ul { padding-left: 20px; }
.doc li { margin: 6px 0; }
.callout {
  background: var(--card); border: 1px solid var(--border);
  border-left: 4px solid var(--blue);
  border-radius: 10px; padding: 14px 18px; margin: 18px 0;
}

/* Footer */
footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--muted); font-size: 14.5px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; }
footer .spacer { flex: 1; }
footer a { color: var(--muted); }
footer a:hover { color: var(--ink); }

@media (max-width: 640px) {
  section { padding: 52px 0; }
  .hero { padding: 56px 0 64px; }
  .nav a.navlink { display: none; }
}