:root {
  --bg: #f5f4f0;
  --surface: #ffffff;
  --ink: #171b1a;
  --muted: #5f6865;
  --line: #d9ddda;
  --brand: #244d46;
  --brand-dark: #183933;
  --soft: #e7efec;
  --accent: #aa6943;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(23, 27, 26, 0.06);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
a:hover { color: var(--brand); }
img, svg { max-width: 100%; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.skip-link { position: absolute; left: -9999px; top: 12px; background: var(--ink); color: white; padding: 10px 14px; z-index: 100; }
.skip-link:focus { left: 12px; }

.site-header { position: sticky; top: 0; z-index: 30; background: rgba(245,244,240,.94); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(217,221,218,.9); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 720; letter-spacing: -0.02em; }
.brand-mark { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: var(--brand); color: white; font-size: 13px; font-weight: 800; letter-spacing: -.02em; }
.nav { display: flex; align-items: center; gap: 22px; font-size: 15px; }
.nav a { text-decoration: none; color: var(--muted); font-weight: 600; }
.nav a[aria-current="page"], .nav a:hover { color: var(--ink); }
.lang { border-left: 1px solid var(--line); padding-left: 20px; }
.mobile-nav { display: none; }

.hero { padding: 96px 0 72px; }
.eyebrow { margin: 0 0 18px; text-transform: uppercase; letter-spacing: .12em; font-size: 12px; font-weight: 800; color: var(--brand); }
h1, h2, h3 { line-height: 1.14; letter-spacing: -0.035em; margin-top: 0; }
h1 { font-size: clamp(44px, 7vw, 76px); max-width: 920px; margin-bottom: 24px; }
h2 { font-size: clamp(30px, 4vw, 44px); margin-bottom: 18px; }
h3 { font-size: 21px; margin-bottom: 10px; }
.lead { max-width: 760px; font-size: clamp(19px, 2.3vw, 24px); color: var(--muted); margin: 0 0 32px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 11px 18px; border-radius: 12px; text-decoration: none; font-weight: 700; border: 1px solid transparent; }
.btn-primary { background: var(--brand); color: white; }
.btn-primary:hover { background: var(--brand-dark); color: white; }
.btn-secondary { background: transparent; border-color: var(--line); }

.section { padding: 70px 0; }
.section-tight { padding: 44px 0; }
.section-rule { border-top: 1px solid var(--line); }
.section-intro { max-width: 720px; margin-bottom: 34px; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.card p:last-child { margin-bottom: 0; }
.card-6 { grid-column: span 6; }
.card-4 { grid-column: span 4; }
.card-8 { grid-column: span 8; }
.card-12 { grid-column: span 12; }
.kicker { color: var(--brand); font-size: 13px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 12px; }
.status { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 750; color: var(--brand); background: var(--soft); padding: 6px 10px; border-radius: 999px; margin-bottom: 18px; }
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.app-name { font-size: 28px; margin-bottom: 10px; }
.app-meta { color: var(--muted); font-size: 15px; margin-bottom: 18px; }
.text-link { font-weight: 750; text-decoration-thickness: 1px; text-underline-offset: 4px; }

.fact-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 16px; }
.fact-list li { padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.fact-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.fact-label { display: block; color: var(--muted); font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 2px; }
.notice { background: var(--soft); border: 1px solid #cddfd8; border-radius: 14px; padding: 18px 20px; color: #28453f; }
.prose { max-width: 780px; }
.prose h2 { margin-top: 52px; }
.prose h3 { margin-top: 34px; }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 8px; }
.prose .small { color: var(--muted); font-size: 14px; }
.contact-box { display: grid; gap: 8px; }
.contact-row { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-row:last-child { border-bottom: 0; }
.contact-label { color: var(--muted); }

.site-footer { margin-top: 60px; padding: 38px 0 48px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 36px; align-items: start; }
.footer-brand { font-weight: 800; margin-bottom: 8px; }
.footer-copy { color: var(--muted); max-width: 620px; font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; justify-content: flex-end; font-size: 14px; }
.footer-links a { color: var(--muted); }

@media (max-width: 780px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .header-inner { min-height: 68px; }
  .nav { display: none; }
  .mobile-nav { display: block; position: relative; }
  .mobile-nav summary { list-style: none; cursor: pointer; border: 1px solid var(--line); border-radius: 10px; padding: 8px 11px; font-size: 14px; font-weight: 700; }
  .mobile-nav summary::-webkit-details-marker { display: none; }
  .mobile-menu { position: absolute; right: 0; top: 46px; min-width: 220px; display: grid; gap: 4px; padding: 10px; background: white; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); }
  .mobile-menu a { padding: 9px 10px; text-decoration: none; border-radius: 8px; }
  .mobile-menu a:hover { background: var(--soft); }
  .hero { padding: 68px 0 50px; }
  .section { padding: 52px 0; }
  .card-4, .card-6, .card-8 { grid-column: span 12; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}