:root {
  color-scheme: dark;
  --bg: #090d0c;
  --surface: #111916;
  --surface-2: #16231f;
  --line: #223a31;
  --ink: #f7faf8;
  --muted: #a2bbb0;
  --emerald: #00c087;
  --emerald-deep: #007553;
  --focus: #b5ffe1;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Tahoma, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.85; }
a { color: var(--focus); text-underline-offset: 4px; }
a:hover { color: #fff; }
a:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; border-radius: 3px; }
.shell { max-width: 1180px; margin-inline: auto; padding-inline: 28px; }
.topbar { border-bottom: 1px solid var(--line); background: rgba(9,13,12,.96); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; min-height: 84px; gap: 24px; }
.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand img { width: min(270px, 48vw); height: auto; display: block; }
.header-actions { display: flex; align-items: center; gap: 18px; font-size: 14px; font-weight: 650; }
.header-actions a { text-decoration: none; }
.header-actions .lang { border: 1px solid var(--line); border-radius: 999px; padding: 7px 13px; white-space: nowrap; }
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 80% 5%, rgba(0,192,135,.18), transparent 34%), linear-gradient(130deg, #111916 0%, #090d0c 72%); }
.hero::after { content: ""; position: absolute; inset-inline-end: -130px; top: -160px; width: 430px; height: 430px; border: 1px solid rgba(0,192,135,.12); border-radius: 50%; box-shadow: 0 0 0 80px rgba(0,192,135,.025), 0 0 0 160px rgba(0,192,135,.018); pointer-events: none; }
.hero-inner { position: relative; z-index: 1; padding-block: 76px 78px; max-width: 1180px; }
.eyebrow { color: var(--emerald); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; margin: 0 0 20px; }
h1 { font-size: clamp(36px, 5vw, 64px); line-height: 1.17; letter-spacing: -.035em; margin: 0; max-width: 850px; }
.hero-lede { color: var(--muted); max-width: 750px; font-size: clamp(17px, 2vw, 20px); margin: 24px 0 0; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.pill { display: inline-flex; align-items: center; gap: 9px; border: 1px solid var(--line); background: rgba(255,255,255,.035); border-radius: 999px; padding: 7px 14px; color: var(--muted); font-size: 13px; }
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--emerald); }
.content-grid { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 72px; padding-block: 54px 96px; }
.toc { align-self: start; position: sticky; top: 30px; border-inline-start: 1px solid var(--line); padding-inline-start: 20px; }
.toc-title { margin: 0 0 16px; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .12em; font-weight: 800; }
.toc a { display: block; color: var(--muted); text-decoration: none; padding: 6px 0; font-size: 14px; line-height: 1.5; }
.toc a:hover { color: var(--emerald); }
main { min-width: 0; }
.intro-card { border: 1px solid var(--line); background: linear-gradient(120deg, var(--surface-2), var(--surface)); padding: 28px 30px; border-radius: 18px; }
.intro-card strong { color: var(--emerald); }
.intro-card p { margin: 0; font-size: 17px; }
section.policy { padding: 38px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 28px; }
section.policy:last-of-type { border-bottom: 0; }
h2 { font-size: clamp(23px, 2.5vw, 30px); line-height: 1.4; margin: 0 0 14px; letter-spacing: -.02em; }
h3 { font-size: 17px; margin: 26px 0 8px; }
p { color: var(--muted); margin: 12px 0; }
ul { margin: 18px 0 0; padding-inline-start: 22px; color: var(--muted); }
li { padding-inline-start: 6px; margin-block: 10px; }
li::marker { color: var(--emerald); }
strong { color: var(--ink); }
.support-card { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; border: 1px solid rgba(0,192,135,.42); background: linear-gradient(115deg, rgba(0,192,135,.12), rgba(0,192,135,.035)); padding: 30px; border-radius: 18px; margin-top: 20px; }
.support-card h2 { margin-bottom: 4px; }
.support-card p { margin: 0; }
.support-links { display: flex; flex-wrap: wrap; gap: 10px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; border-radius: 9px; padding: 8px 17px; text-decoration: none; font-weight: 750; font-size: 14px; }
.button.primary { background: var(--emerald); color: #052219; }
.button.primary:hover { background: #42dca9; }
.button.secondary { color: var(--ink); border: 1px solid var(--line); background: rgba(255,255,255,.035); }
footer { border-top: 1px solid var(--line); color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 22px; padding-block: 28px 40px; font-size: 13px; }
.footer-inner img { width: 175px; height: auto; display: block; }
.footer-inner p { margin: 0; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
@media (max-width: 820px) {
  .content-grid { grid-template-columns: 1fr; gap: 22px; }
  .toc { position: static; display: flex; gap: 12px; overflow-x: auto; border-inline-start: 0; border-bottom: 1px solid var(--line); padding: 0 0 16px; white-space: nowrap; }
  .toc-title { display: none; }
  .toc a { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; }
}
@media (max-width: 600px) {
  .shell { padding-inline: 20px; }
  .topbar-inner { min-height: 72px; }
  .brand img { width: 170px; }
  .header-actions { gap: 9px; font-size: 12px; }
  .header-actions .home-link { display: none; }
  .hero-inner { padding-block: 56px 60px; }
  .hero::after { opacity: .48; }
  .content-grid { padding-block: 30px 70px; }
  .intro-card, .support-card { padding: 22px; }
  section.policy { padding-block: 32px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }