@font-face { font-family: 'DM Sans'; src: url('fonts/DMSans_400Regular.ttf') format('truetype'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'DM Sans'; src: url('fonts/DMSans_500Medium.ttf') format('truetype'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'DM Sans'; src: url('fonts/DMSans_700Bold.ttf') format('truetype'); font-weight: 700; font-style: normal; font-display: swap; }

:root {
  --bg: #F7F7F5;
  --card: #FFFFFF;
  --ink: #12202F;
  --text: #1C2733;
  --text-2: #4A5664;
  --border: #E3E5E8;
  --accent: #0E6B66;
  --accent-dark: #0A4F4B;
  --accent-soft: #E3F1EF;
  --radius: 16px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 18px;
  line-height: 1.6;
}
a { color: var(--accent); }
a:hover { color: var(--accent-dark); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Header */
header.site { background: var(--ink); color: #fff; }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 76px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; text-decoration: none; font-weight: 700; letter-spacing: 0.6px; font-size: 17px; }
.brand:hover { color: #fff; }
.brand svg { flex: none; }
nav.main { display: flex; gap: 22px; flex-wrap: wrap; }
nav.main a { color: #C9D3DD; text-decoration: none; font-size: 16px; font-weight: 500; }
nav.main a:hover { color: #fff; }

/* Hero */
.hero { background: var(--ink); color: #fff; padding: 56px 0 72px; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 1.6px; text-transform: uppercase; color: #8FD3CB; }
.hero h1 { font-size: clamp(34px, 5.6vw, 52px); line-height: 1.1; letter-spacing: -0.8px; margin: 14px 0 18px; max-width: 16em; }
.hero p { font-size: 20px; color: #C9D3DD; max-width: 36em; margin: 0 0 28px; }
.btn { display: inline-flex; align-items: center; min-height: 52px; padding: 0 24px; border-radius: 12px; background: var(--accent); color: #fff; font-weight: 700; text-decoration: none; }
.btn:hover { background: var(--accent-dark); color: #fff; }
.btn.ghost { background: transparent; border: 1.5px solid #4C5D6F; margin-left: 10px; }
.btn.ghost:hover { border-color: #fff; }

/* Sections */
section.block { padding: 72px 0; }
section.block + section.block { border-top: 1px solid var(--border); }
h2 { font-size: clamp(28px, 4vw, 36px); letter-spacing: -0.4px; line-height: 1.2; margin: 8px 0 14px; }
.intro { color: var(--text-2); max-width: 40em; margin: 0 0 36px; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.card h3 { margin: 0 0 8px; font-size: 20px; }
.card p { margin: 0; color: var(--text-2); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; padding: 0; list-style: none; }
.tags li { background: var(--accent-soft); color: var(--accent-dark); font-size: 14px; font-weight: 500; padding: 4px 10px; border-radius: 999px; }
.principle { margin-top: 28px; background: var(--accent-soft); border-radius: var(--radius); padding: 22px 26px; color: var(--accent-dark); }
.principle strong { color: var(--ink); }

.app-card { display: flex; gap: 20px; align-items: flex-start; }
.app-card svg { flex: none; }
.status { display: inline-block; font-size: 13px; font-weight: 700; color: var(--accent); margin-bottom: 4px; }
.card .more { display: inline-block; margin-top: 14px; font-weight: 700; }

.about { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: 40px; align-items: start; }
.facts { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 26px; margin: 0; }
.facts dt { font-size: 14px; color: var(--text-2); }
.facts dd { margin: 0 0 14px; font-weight: 500; }
.facts dd:last-child { margin-bottom: 0; }

.contact { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; }
.contact p { margin: 0; color: var(--text-2); }
.contact .email { font-size: 22px; font-weight: 700; }

/* Document pages */
main.doc { max-width: 760px; margin: 0 auto; padding: 48px 20px 72px; }
main.doc h1 { font-size: clamp(32px, 5vw, 42px); letter-spacing: -0.6px; margin: 0 0 6px; }
main.doc h2 { font-size: 24px; margin: 36px 0 8px; }
.updated { color: var(--text-2); font-size: 15px; margin: 0 0 24px; }

/* Footer */
footer { background: var(--ink); color: #A9B6C3; font-size: 15px; padding: 36px 0; }
footer p { margin: 0 0 8px; }
footer a { color: #DDE5EC; }

@media (max-width: 760px) {
  body { font-size: 17px; }
  .grid, .about { grid-template-columns: minmax(0, 1fr); }
  .hero { padding: 36px 0 52px; }
  .btn.ghost { margin: 12px 0 0; }
  section.block { padding: 52px 0; }
  nav.main { gap: 16px; }
}