:root {
  --ink: #1a1917;
  --ink-body: #3f3a34;
  --ink-secondary: #4a453f;
  --paper: #e9e7e2;
  --card: #f8f6f2;
  --rule: rgba(26, 25, 23, 0.14);
  --stamp: #7a2f17;
  --mincho: "Hiragino Mincho ProN", "Shippori Mincho", "Yu Mincho", serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: light;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  background-image:
    radial-gradient(ellipse 70% 45% at 12% 0%, rgba(232, 163, 58, 0.22), transparent 70%),
    radial-gradient(ellipse 60% 40% at 95% 10%, rgba(29, 118, 136, 0.18), transparent 70%);
  background-repeat: no-repeat;
  color: var(--ink-body);
  font: 17px/1.6 var(--sans);
  min-height: 100vh;
}

a { color: var(--ink); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--stamp); }

.wrap { max-width: 680px; margin: 0 auto; padding: 0 20px; }

header.site {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 28px 0 0;
}
.wordmark {
  display: flex; align-items: center; gap: 10px;
  font: 600 20px/1 var(--mincho); color: var(--ink); text-decoration: none; letter-spacing: 0.01em;
}
.wordmark img { width: 32px; height: 32px; border-radius: 8px; }
nav.site { display: flex; gap: 18px; font-size: 15px; }
nav.site a { text-decoration: none; color: var(--ink-secondary); }
nav.site a[aria-current="page"] { color: var(--ink); font-weight: 600; }

main { padding: 64px 0 48px; }

h1 {
  font: 800 clamp(34px, 7vw, 48px)/1.05 var(--sans);
  letter-spacing: -0.03em; color: var(--ink); margin: 0 0 14px;
}
h2 { font: 700 20px/1.3 var(--sans); letter-spacing: -0.01em; color: var(--ink); margin: 40px 0 8px; }
p, li { margin: 0 0 12px; }
ul { padding-left: 20px; }

.lede { font-size: 19px; color: var(--ink-secondary); max-width: 34em; }
.meta { font: 13px/1.4 var(--mono); color: var(--ink-secondary); margin-bottom: 32px; }

.hero { text-align: left; }
.hero .app-icon { width: 112px; height: 112px; border-radius: 26px; box-shadow: 0 12px 30px rgba(26, 25, 23, 0.18); margin-bottom: 28px; }

.swatches { display: flex; gap: 0; margin: 36px 0; height: 14px; border-radius: 7px; overflow: hidden; }
.swatches span { flex: 1; }

.card {
  background: var(--card); border: 1px solid var(--rule); border-radius: 18px;
  padding: 24px; margin: 28px 0;
}
.card h2 { margin-top: 0; }

.button {
  display: inline-block; background: var(--ink); color: #f4f2ee; text-decoration: none;
  font-weight: 600; padding: 14px 22px; border-radius: 14px; margin-top: 4px;
}
.button:hover { color: #f4f2ee; background: #000; }

.email { font: 15px var(--mono); word-break: break-all; }

footer.site {
  border-top: 1px solid var(--rule); padding: 24px 0 40px; font-size: 14px; color: var(--ink-secondary);
  display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: space-between;
}
footer.site nav { display: flex; gap: 18px; }
footer.site a { color: var(--ink-secondary); }

@media (max-width: 480px) {
  body { font-size: 16px; }
  nav.site { gap: 14px; font-size: 14px; }
  .wordmark span { display: none; }
  main { padding-top: 44px; }
}