:root {
  --ink: #101418;
  --ink-2: #4a5560;
  --ink-3: #7b8794;
  --line: #e6e9ec;
  --bg: #ffffff;
  --bg-soft: #f7f9fa;
  --accent: #2f6f8f;
  --mint: #4ecba4;
  --mint-dark: #2f9d7b;
  --sideout: #e07a3f;
  --radius: 14px;
  --wrap: 940px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

/* Header */
.site-head {
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(12px); z-index: 10;
}
.site-head .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 66px; gap: 20px;
}
.brand {
  font-weight: 700; letter-spacing: -.02em; font-size: 17px;
  text-decoration: none; color: var(--ink); display: flex; align-items: center; gap: 9px;
}
.brand .mark {
  width: 26px; height: 26px; border-radius: 7px; flex: none;
  background: linear-gradient(135deg, var(--accent), #17384a);
}
.nav { display: flex; gap: 22px; }
.nav a {
  color: var(--ink-2); text-decoration: none; font-size: 15px; font-weight: 500;
}
.nav a:hover { color: var(--ink); }

/* Hero */
.hero { padding: 84px 0 64px; }
.hero h1 {
  font-size: clamp(34px, 5.5vw, 50px); line-height: 1.1; letter-spacing: -.03em;
  margin: 0 0 20px; font-weight: 700; max-width: 17ch;
}
.hero p {
  font-size: clamp(17px, 2.2vw, 20px); color: var(--ink-2);
  max-width: 56ch; margin: 0;
}

/* Sections */
.section { padding: 56px 0; border-top: 1px solid var(--line); }
.section h2 {
  font-size: 13px; text-transform: uppercase; letter-spacing: .1em;
  color: var(--ink-3); font-weight: 600; margin: 0 0 28px;
}

/* App cards */
.apps { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.app-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; text-decoration: none; color: inherit; display: block;
  background: var(--bg); transition: border-color .18s ease, transform .18s ease;
}
.app-card:hover { border-color: var(--ink-3); transform: translateY(-2px); }
.app-icon {
  width: 46px; height: 46px; border-radius: 11px; display: grid; place-items: center;
  font-size: 23px; margin-bottom: 16px;
}
.app-card h3 { margin: 0 0 6px; font-size: 20px; letter-spacing: -.02em; }
.app-card .tag {
  display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .04em;
  text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px;
}
.app-card p { margin: 0 0 16px; color: var(--ink-2); font-size: 15.5px; }
.app-links { font-size: 14px; color: var(--ink-3); }

/* Content pages */
.page { padding: 56px 0 80px; }
.page h1 { font-size: 34px; letter-spacing: -.025em; margin: 0 0 6px; }
.page .updated { color: var(--ink-3); font-size: 15px; margin: 0 0 40px; }
.page h2 {
  font-size: 20px; letter-spacing: -.015em; margin: 40px 0 12px; font-weight: 650;
}
.page h3 { font-size: 17px; margin: 28px 0 8px; font-weight: 650; }
.page p, .page li { color: var(--ink-2); }
.page ul { padding-left: 22px; }
.page li { margin-bottom: 8px; }
.page a { color: var(--accent); }
.page strong { color: var(--ink); font-weight: 620; }

.crumb { font-size: 14px; color: var(--ink-3); margin-bottom: 26px; }
.crumb a { color: var(--ink-3); text-decoration: none; }
.crumb a:hover { color: var(--ink); }

/* Info box */
.card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; background: var(--bg-soft);
}
.card p { margin: 0 0 8px; }
.card p:last-child { margin: 0; }

/* Footer */
.site-foot {
  border-top: 1px solid var(--line); padding: 40px 0 60px;
  color: var(--ink-3); font-size: 14.5px;
}
.site-foot a { color: var(--ink-3); }
.site-foot .foot-row {
  display: flex; flex-wrap: wrap; gap: 8px 22px; margin-bottom: 20px;
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero { padding: 56px 0 44px; }
  .nav { gap: 16px; }
  .nav a { font-size: 14px; }
}