:root {
  color-scheme: light dark;
  --ink: #17231d;
  --muted: #5d6b63;
  --paper: #fbfdfb;
  --card: #ffffff;
  --line: #dfe7e1;
  --green: #176b45;
  --green-dark: #0c4d30;
  --mint: #dff4e8;
  --warm: #fff8df;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--green); text-underline-offset: 0.18em; }
a:hover { color: var(--green-dark); }

.shell { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }

header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
}

nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 750;
  text-decoration: none;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand img { width: 34px; height: 34px; border-radius: 9px; }
.links { display: flex; gap: 22px; font-size: 0.94rem; }
.links a { color: var(--muted); text-decoration: none; }

.hero {
  padding: 94px 0 74px;
  background:
    radial-gradient(circle at 90% 5%, #c9f0d9 0, transparent 30%),
    linear-gradient(180deg, #f7fcf8 0%, var(--paper) 100%);
}

.eyebrow { color: var(--green); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.82rem; }
h1 { font-size: clamp(2.65rem, 7vw, 5.5rem); line-height: 0.98; letter-spacing: -0.055em; margin: 14px 0 26px; max-width: 850px; }
.lede { font-size: clamp(1.12rem, 2.4vw, 1.38rem); color: var(--muted); max-width: 720px; }
.cta { display: inline-block; margin-top: 22px; padding: 12px 18px; border-radius: 12px; background: var(--green); color: white; font-weight: 700; text-decoration: none; }
.cta:hover { background: var(--green-dark); color: white; }

main { padding: 52px 0 80px; }
h2 { font-size: clamp(1.65rem, 3vw, 2.35rem); line-height: 1.15; letter-spacing: -0.035em; margin: 0 0 18px; }
h3 { margin-top: 28px; line-height: 1.3; }
p, li { max-width: 780px; }
.muted { color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 30px 0 62px; }
.card { padding: 25px; border: 1px solid var(--line); border-radius: 20px; background: var(--card); }
.card h3 { margin: 0 0 8px; }
.number { color: var(--green); font-size: 0.82rem; font-weight: 800; }
.notice { padding: 18px 20px; border-radius: 14px; background: var(--warm); border: 1px solid #ede0a7; }
.language { margin-top: 54px; padding-top: 42px; border-top: 1px solid var(--line); }
.legal { max-width: 820px; }
.legal h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); }
.legal h2 { margin-top: 44px; font-size: 1.55rem; }
.legal ul { padding-left: 1.3rem; }
code { background: var(--mint); border-radius: 6px; padding: 0.12rem 0.35rem; overflow-wrap: anywhere; }
footer { border-top: 1px solid var(--line); padding: 30px 0 46px; color: var(--muted); font-size: 0.9rem; }

@media (max-width: 760px) {
  .shell { width: min(100% - 28px, 1080px); }
  .links { gap: 12px; font-size: 0.82rem; }
  .links .data-link { display: none; }
  .hero { padding: 68px 0 54px; }
  .grid { grid-template-columns: 1fr; }
}

@media (prefers-color-scheme: dark) {
  :root { --ink: #eff8f2; --muted: #aabbb0; --paper: #0d1611; --card: #142219; --line: #2b3e32; --mint: #173e2a; --warm: #2f2a13; }
  .hero { background: radial-gradient(circle at 90% 5%, #183f2b 0, transparent 32%), var(--paper); }
  .notice { border-color: #5d5125; }
}