:root {
  color-scheme: light;
  --ink: #151a24;
  --muted: #5c6472;
  --paper: #f6f3eb;
  --card: #fffdf8;
  --line: #d9d5ca;
  --accent: #214e3e;
  --soft: #dfeae4;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); }
header, main, footer { width: min(1120px, calc(100% - 40px)); margin: auto; }
header { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
header nav { display: flex; gap: 20px; flex-wrap: wrap; }
a { color: inherit; text-underline-offset: 4px; }
.brand { font-weight: 800; font-size: 21px; text-decoration: none; letter-spacing: -.03em; }
.help-link { font-size: 14px; font-weight: 700; }
.hero { padding: 96px 0 80px; max-width: 850px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 800; color: var(--accent); }
h1 { font-size: clamp(54px, 9vw, 110px); line-height: .88; letter-spacing: -.075em; margin: 22px 0 32px; max-width: 900px; }
.lead { font-size: clamp(20px, 3vw, 29px); line-height: 1.35; letter-spacing: -.025em; max-width: 780px; margin: 0; color: #323a45; }
.status { display: inline-block; margin: 34px 0 0; padding: 12px 15px; border: 1px solid #b7c9be; background: var(--soft); border-radius: 999px; color: var(--accent); font-size: 14px; font-weight: 700; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
article { padding: 38px 30px 44px 0; }
article + article { border-left: 1px solid var(--line); padding-left: 30px; }
article span { font: 700 12px ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--accent); }
h2 { font-size: 25px; letter-spacing: -.035em; margin: 16px 0 10px; }
article p, .help p { color: var(--muted); line-height: 1.65; margin: 0; }
.help { margin: 96px 0; padding: 54px; background: var(--card); border: 1px solid var(--line); border-radius: 24px; }
.help h2 { font-size: clamp(32px, 5vw, 52px); margin: 14px 0; }
.help p:last-child { max-width: 680px; font-size: 18px; }
.legal { max-width: 820px; padding: 72px 0 96px; }
.legal h1 { font-size: clamp(44px, 7vw, 74px); line-height: .95; margin-bottom: 22px; }
.legal h2 { margin-top: 42px; }
.legal p, .legal li { color: var(--muted); line-height: 1.7; }
.legal li + li { margin-top: 8px; }
.legal .updated { font-size: 14px; color: var(--accent); font-weight: 700; }
.help-centre .lead { font-size: 22px; }
.faq-list { margin-top: 48px; }
.faq-list details { border-top: 1px solid var(--line); padding: 20px 0; }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; font-weight: 750; font-size: 18px; }
.faq-list details p { margin: 12px 0 0; }
.help-centre .help { margin-bottom: 0; }
footer { display: flex; justify-content: space-between; padding: 30px 0 44px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }

@media (max-width: 720px) {
  header, main, footer { width: min(100% - 28px, 1120px); }
  header { align-items: flex-start; flex-direction: column; padding: 20px 0; }
  .hero { padding: 64px 0 54px; }
  .features { grid-template-columns: 1fr; }
  article, article + article { padding: 28px 0; border-left: 0; border-top: 1px solid var(--line); }
  article:first-child { border-top: 0; }
  .help { margin: 64px 0; padding: 30px; }
  footer { gap: 20px; flex-direction: column; }
}
