/* Doppio — site styles. Brand sampled from the app icon:
   magenta #C331D9, cream #F4F1ED, near-black #111113. */

:root {
  --accent: #C331D9;
  --bg: #F4F1ED;
  --ink: #111113;
  --ink-soft: rgba(17, 17, 19, 0.62);
  --hairline: rgba(17, 17, 19, 0.12);
  --card: rgba(255, 255, 255, 0.55);
  --radius: 22px;
  --font: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont,
          "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111113;
    --ink: #F4F1ED;
    --ink-soft: rgba(244, 241, 237, 0.62);
    --hairline: rgba(244, 241, 237, 0.14);
    --card: rgba(255, 255, 255, 0.05);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 18px;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ---- Header / nav ---- */
.nav {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 28px 0;
}
.nav .mark { width: 36px; height: 36px; border-radius: 9px; display: block; }
.nav .name { font-weight: 700; font-size: 20px; letter-spacing: 0; }
.nav .spacer { flex: 1; }
.nav a { color: var(--ink-soft); font-size: 16px; font-weight: 500; margin-left: 20px; }
.nav a:hover { color: var(--accent); text-decoration: none; }

/* ---- Hero ---- */
.hero { text-align: center; padding: 48px 0 56px; }
.hero .icon {
  width: 132px; height: 132px; border-radius: 30px; display: block; margin: 0 auto 28px;
  box-shadow: 0 18px 50px rgba(195, 49, 217, 0.22);
}
.hero h1 { font-size: 56px; margin: 0 0 12px; letter-spacing: -0.03em; }
.hero .tagline { font-size: 22px; color: var(--ink-soft); margin: 0 auto; max-width: 30ch; }

.badge {
  display: inline-block; margin-top: 32px; padding: 14px 26px;
  border-radius: 999px; background: var(--accent); color: #fff;
  font-weight: 600; font-size: 17px;
}
.badge.soon { background: transparent; color: var(--ink-soft); border: 1px solid var(--hairline); }
.badge:hover { text-decoration: none; }

/* ---- Sections ---- */
section { padding: 28px 0; }
h2 { font-size: 28px; letter-spacing: -0.02em; margin: 0 0 18px; }
h3 { font-size: 20px; margin: 28px 0 6px; }

.features { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.features li {
  background: var(--card); border: 1px solid var(--hairline);
  border-radius: var(--radius); padding: 18px 22px;
}
.features li b { color: var(--accent); }

/* ---- Legal / prose ---- */
.prose p, .prose li { color: var(--ink); }
.prose .muted { color: var(--ink-soft); font-size: 16px; }
.prose ul { padding-left: 22px; }
.prose li { margin: 6px 0; }

/* ---- Footer ---- */
footer {
  border-top: 1px solid var(--hairline);
  margin-top: 48px; padding: 32px 0 56px;
  color: var(--ink-soft); font-size: 15px;
  display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center;
}
footer .spacer { flex: 1; }

@media (max-width: 520px) {
  .hero h1 { font-size: 44px; }
  .hero .tagline { font-size: 19px; }
  body { font-size: 17px; }
}