:root {
  --abyss: #0A1828;
  --deep: #103A5C;
  --teal: #36D6C4;
  --teal-ink: #01BAA9;
  --text: #EAF6FF;
  --text-dim: #7FA9BD;
  --maxw: 960px;
  --radius: 14px;
}
* { 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(--text);
  background: linear-gradient(180deg, var(--abyss) 0%, var(--deep) 100%) fixed;
  background-color: var(--abyss);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header / nav */
.nav { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; max-width: var(--maxw); margin: 0 auto; }
.nav .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); }
.nav .brand img { width: 28px; height: 28px; }
.nav a.navlink { color: var(--text-dim); margin-left: 18px; }
.nav a.navlink:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero { text-align: center; padding: 56px 20px 40px; }
.hero img.logo { width: 132px; height: 132px; }
.hero h1 { font-size: clamp(2.2rem, 6vw, 3.4rem); margin: 14px 0 6px; letter-spacing: -0.02em; }
.hero p.tagline { font-size: clamp(1.05rem, 2.6vw, 1.3rem); color: var(--text-dim); max-width: 640px; margin: 0 auto 26px; }

/* App Store button (Coming Soon state) */
.appstore-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.06); border: 1px solid var(--teal);
  color: var(--text); padding: 12px 22px; border-radius: 12px; font-weight: 600;
}
.appstore-btn .soon { color: var(--teal); font-size: 0.85em; }

/* Sections + cards */
section { padding: 40px 0; }
section h2 { font-size: 1.6rem; margin: 0 0 18px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: 20px; }
.card h3 { margin: 0 0 8px; color: var(--teal); font-size: 1.05rem; }
.card ul { margin: 0; padding-left: 18px; color: var(--text); }
.card li { margin: 6px 0; }

/* Screenshot placeholders */
.shots { display: flex; gap: 18px; overflow-x: auto; padding-bottom: 8px; }
.shot { flex: 0 0 auto; width: 220px; height: 460px; border-radius: 28px;
  background: linear-gradient(160deg, #11304a, #0a1f31); border: 2px solid rgba(54,214,196,0.25);
  display: flex; align-items: center; justify-content: center; color: var(--text-dim); font-size: 0.9rem; text-align: center; padding: 16px; }

/* Footer */
footer { border-top: 1px solid rgba(255,255,255,0.08); margin-top: 30px; padding: 28px 20px; color: var(--text-dim); text-align: center; }
footer a { margin: 0 10px; }

/* Doc pages (privacy/support) */
.doc { max-width: 760px; margin: 0 auto; padding: 30px 20px 60px; }
.doc h1 { font-size: 2rem; }
.doc h2 { font-size: 1.25rem; margin-top: 28px; color: var(--teal); }
.doc p, .doc li { color: var(--text); }
.doc .updated { color: var(--text-dim); font-size: 0.9rem; }
.faq dt { font-weight: 700; margin-top: 20px; }
.faq dd { margin: 6px 0 0; color: var(--text); }