:root {
  --bg: #f5f7f8;
  --surface: #ffffff;
  --text: #1d2a2e;
  --muted: #65757b;
  --border: #dbe3e5;
  --accent: #1e6258;
  --accent-soft: #e8f3f0;
  --shadow: 0 12px 32px rgba(35, 52, 58, 0.07);
  --radius-lg: 22px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}
a { color: var(--accent); }
.container { width: min(940px, calc(100% - 32px)); margin: 0 auto; }
.site-header { background: linear-gradient(180deg, #edf6f3 0%, var(--bg) 100%); padding: 44px 0 28px; }
.brand-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { color: var(--accent); text-decoration: none; font-weight: 850; letter-spacing: -.02em; font-size: 1.1rem; }
.back-link { text-decoration: none; font-weight: 700; }
.eyebrow { margin: 28px 0 6px; text-transform: uppercase; letter-spacing: .12em; font-size: .76rem; font-weight: 800; color: var(--accent); }
h1 { margin: 0; font-size: clamp(2.3rem, 7vw, 4.6rem); line-height: 1; letter-spacing: -.045em; max-width: 820px; }
.lead { max-width: 760px; color: #4d6066; font-size: 1.1rem; margin: 18px 0 0; }
main { padding: 28px 0 60px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow); margin-bottom: 18px; }
.card h2 { margin: 0 0 10px; font-size: 1.55rem; letter-spacing: -.025em; }
.card h3 { margin: 22px 0 7px; font-size: 1.1rem; }
.card p:last-child { margin-bottom: 0; }
.note { border-left: 4px solid var(--accent); background: var(--accent-soft); padding: 16px 18px; border-radius: 0 14px 14px 0; }
.link-list { display: grid; gap: 10px; padding-left: 20px; }
.site-footer { margin-top: 26px; padding-top: 24px; border-top: 1px solid var(--border); color: var(--muted); font-size: .92rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-bottom: 14px; }
.footer-links a { font-weight: 700; text-decoration: none; }
.small { color: var(--muted); font-size: .9rem; }
@media (max-width: 640px) {
  .site-header { padding-top: 28px; }
  .brand-row { align-items: flex-start; }
  .card { padding: 22px; }
}