:root {
  --accent: #0071E3;
  --link: #0066CC;
  --text: #1D1D1F;
  --text2: #6E6E73;
  --bg: #F5F5F7;
  --card: #FFFFFF;
  --line: #E5E5EA;
  --success: #1A7F37;
  --orange: #F07A1E;
}
@media (prefers-color-scheme: dark) {
  :root {
    --accent: #2F8CFF;
    --link: #409CFF;
    --text: #F5F5F7;
    --text2: #A1A1A6;
    --bg: #000000;
    --card: #1C1C1E;
    --line: #2C2C2E;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 56px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 19px; letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; }
.brand img { width: 32px; height: 32px; }
.nav { display: flex; gap: 18px; font-size: 14px; flex-wrap: wrap; justify-content: flex-end; }
.nav a { color: var(--text2); }
.nav a[aria-current="page"] { color: var(--text); font-weight: 600; }

/* Hero */
.hero { text-align: center; padding: 64px 0 40px; }
.hero img { width: 120px; height: auto; }
.hero h1 { font-size: clamp(36px, 7vw, 56px); line-height: 1.05; letter-spacing: -0.03em; margin: 20px 0 12px; }
.hero p.lead { font-size: clamp(18px, 2.6vw, 22px); color: var(--text2); max-width: 640px; margin: 0 auto; }
.pill { display: inline-block; margin-top: 24px; padding: 10px 18px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); font-size: 15px; color: var(--text2); }

/* Feature grid */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; padding: 24px 0 8px; }
.card { background: var(--card); border-radius: 18px; padding: 22px; border: 1px solid var(--line); }
.card h3 { margin: 0 0 6px; font-size: 18px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--text2); font-size: 15px; }
.icon { width: 40px; height: 40px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
.icon.orange { background: color-mix(in srgb, var(--orange) 16%, transparent); color: var(--orange); }
.icon.green { background: color-mix(in srgb, var(--success) 16%, transparent); color: var(--success); }

section.block { padding: 40px 0; }
section.block h2 { font-size: 28px; letter-spacing: -0.02em; margin: 0 0 12px; }
section.block p { color: var(--text2); max-width: 720px; }

/* Documents */
.doc { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: clamp(22px, 4vw, 44px); margin: 32px 0 48px; }
.doc h1 { font-size: clamp(30px, 5vw, 40px); letter-spacing: -0.02em; margin: 0 0 6px; line-height: 1.15; }
.doc .meta { color: var(--text2); font-size: 14px; margin: 0 0 28px; }
.doc h2 { font-size: 21px; letter-spacing: -0.01em; margin: 32px 0 8px; }
.doc h3 { font-size: 17px; margin: 20px 0 6px; }
.doc p, .doc li { font-size: 16px; }
.doc ul, .doc ol { padding-left: 22px; }
.doc li { margin: 4px 0; }
.note { background: var(--bg); border-radius: 14px; padding: 14px 16px; font-size: 15px; }
table.facts { border-collapse: collapse; width: 100%; font-size: 15px; margin: 12px 0; }
table.facts th, table.facts td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.facts th { width: 38%; color: var(--text2); font-weight: 500; }

.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { padding: 14px 0; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 2px; }
.contact-list li:last-child { border-bottom: 0; }
.contact-list .label { font-size: 13px; color: var(--text2); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0 40px; font-size: 13px; color: var(--text2); }
.site-footer .wrap { display: flex; flex-direction: column; gap: 10px; }
.site-footer nav { display: flex; gap: 16px; flex-wrap: wrap; }
.site-footer nav a { color: var(--text2); }

@media (max-width: 560px) {
  .site-header .wrap { flex-direction: column; align-items: flex-start; padding-top: 10px; padding-bottom: 10px; gap: 6px; }
  .nav { justify-content: flex-start; gap: 14px; }
  .hero { padding-top: 40px; }
}