:root {
  color-scheme: light dark;
  --ink: #10231c;
  --muted: #53645d;
  --surface: rgba(255, 255, 255, 0.88);
  --line: rgba(16, 35, 28, 0.12);
  --green: #27ad78;
  --green-dark: #0b5b41;
  --mint: #d8f8e8;
  --page: #f3f7f3;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(39, 173, 120, 0.22), transparent 30rem),
    var(--page);
}

nav, main, footer { width: min(920px, calc(100% - 36px)); margin-inline: auto; }

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
}

.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; }
.mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; color: white; background: linear-gradient(145deg, var(--green), var(--green-dark)); }
.links { display: flex; flex-wrap: wrap; gap: 16px; }
a { color: var(--green-dark); font-weight: 650; text-decoration: none; }
a:hover { text-decoration: underline; }

main {
  padding: clamp(30px, 7vw, 72px);
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--surface);
  box-shadow: 0 24px 80px rgba(16, 35, 28, 0.09);
}

.eyebrow { color: var(--green-dark); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
h1 { margin: 4px 0 12px; font-size: clamp(2.4rem, 7vw, 4.8rem); line-height: 1.02; letter-spacing: -.055em; }
h2 { margin: 42px 0 8px; font-size: 1.35rem; line-height: 1.25; }
p, li { color: var(--muted); }
.summary { max-width: 680px; font-size: 1.12rem; }
.notice { padding: 18px 20px; border: 1px solid rgba(39, 173, 120, .25); border-radius: 18px; background: var(--mint); color: var(--ink); }
ul { padding-left: 1.2rem; }
footer { padding: 28px 0 48px; color: var(--muted); font-size: .9rem; }

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f2fbf6;
    --muted: #aec0b8;
    --surface: rgba(14, 24, 20, 0.9);
    --line: rgba(216, 248, 232, 0.14);
    --green-dark: #7de2b6;
    --mint: #153c2e;
    --page: #07100c;
  }
}