:root {
  color-scheme: dark;
  --acid: #bdff2b;
  --line: rgba(189, 255, 43, .2);
  --muted: #9aa495;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 5%, rgba(118, 167, 28, .15), transparent 32rem),
    #060906;
  color: #f5f7f2;
  font-family: Inter, Arial, sans-serif;
}

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

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: #fff;
  font-size: 22px;
  font-weight: 900;
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

a { color: var(--acid); }

nav a,
footer a {
  color: #d9ded5;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

main { padding: 72px 0; }

.eyebrow {
  margin: 0;
  color: var(--acid);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .16em;
}

h1 {
  max-width: 720px;
  margin: 14px 0;
  font-size: clamp(42px, 8vw, 82px);
  line-height: .95;
  letter-spacing: -.055em;
}

.lead {
  max-width: 650px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

section {
  margin-top: 52px;
  padding: clamp(24px, 5vw, 44px);
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(13, 18, 12, .88);
}

h2 { margin-top: 0; font-size: 30px; }
h3 { margin-top: 30px; font-size: 16px; }
p, li { color: #b4bdb0; line-height: 1.7; }
li + li { margin-top: 9px; }

.warning {
  margin-top: 24px;
  padding: 16px;
  border-left: 3px solid #ff9a76;
  background: rgba(255, 112, 84, .08);
  color: #ffc2b1;
  font-size: 14px;
  line-height: 1.6;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0 38px;
  border-top: 1px solid var(--line);
  color: #758070;
  font-size: 12px;
}

@media (max-width: 680px) {
  header, footer { align-items: flex-start; flex-direction: column; }
  main { padding-top: 48px; }
}