:root {
  color-scheme: light;
  --ink: #13201f;
  --muted: #5b6b67;
  --line: #d7dfdc;
  --paper: #f4f7f5;
  --white: #ffffff;
  --accent: #0e7468;
  --accent-soft: #d9eee8;
}

* { box-sizing: border-box; }

html { font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 88% 8%, rgba(14, 116, 104, .12), transparent 30rem),
    var(--paper);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

.site-header,
main,
footer {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: -.02em; }
.brand-mark { width: 18px; height: 18px; border: 5px solid var(--accent); border-radius: 50%; box-shadow: 8px 8px 0 -5px var(--ink); }
nav { display: flex; gap: 28px; color: var(--muted); font-size: .94rem; }
nav a:hover, nav a:focus-visible { color: var(--accent); }

.hero { padding: 92px 0 72px; max-width: 900px; }
.eyebrow { margin: 0 0 14px; color: var(--accent); font-size: .78rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1 { margin: 0; max-width: 820px; font-size: clamp(3.3rem, 8vw, 7.4rem); line-height: .91; letter-spacing: -.075em; }
.lede { max-width: 680px; margin: 34px 0; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.32rem); }

.status-card { display: inline-flex; align-items: center; gap: 14px; padding: 14px 18px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.72); }
.status-card div { display: grid; }
.status-card span { color: var(--muted); font-size: .85rem; }
.pulse { width: 11px; height: 11px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 6px var(--accent-soft); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.grid article { padding: 42px 34px 42px 0; }
.grid article + article { padding-left: 34px; border-left: 1px solid var(--line); }
.number { color: var(--accent); font-size: .78rem; font-weight: 800; }
h2 { margin: 12px 0; font-size: 1.75rem; letter-spacing: -.035em; }
.grid p { margin: 0; color: var(--muted); }

.principles { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; padding: 80px 0; }
.principles h2 { max-width: 360px; font-size: clamp(2.2rem, 4vw, 4rem); line-height: 1; }
.principles ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.principles li { padding: 17px 0; border-bottom: 1px solid var(--line); }

.page-hero { padding: 86px 0 52px; max-width: 900px; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(3rem, 7vw, 6.2rem); }
.article { max-width: 760px; padding: 54px 0 84px; }
.article h2 { margin-top: 38px; }
.article h2:first-child { margin-top: 0; }
.article p { color: var(--muted); font-size: 1.06rem; }
[aria-current="page"] { color: var(--accent); font-weight: 700; }

footer { display: flex; justify-content: space-between; padding: 28px 0 42px; border-top: 1px solid var(--line); color: var(--muted); font-size: .84rem; }

@media (max-width: 720px) {
  .site-header { align-items: flex-start; flex-direction: column; padding: 22px 0; gap: 16px; }
  nav { width: 100%; gap: 18px; overflow-x: auto; }
  .hero { padding: 64px 0 54px; }
  .grid { grid-template-columns: 1fr; }
  .grid article, .grid article + article { padding: 30px 0; border-left: 0; }
  .grid article + article { border-top: 1px solid var(--line); }
  .principles { grid-template-columns: 1fr; gap: 24px; padding: 58px 0; }
  footer { flex-direction: column; gap: 8px; }
}