:root {
  --ink: #0F1412;
  --surface: #161D1A;
  --line: #26302C;
  --text: #EDEFEA;
  --muted: #A9B2AD;
  --teal: #0B6E66;
  --volt: #C8F031;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--volt); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
.wrap { max-width: 680px; margin: 0 auto; padding: 0 16px; }

header.top { border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 14px; padding-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 19px; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 15px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); }

main { padding: 40px 0 56px; }
h1 { font-size: 34px; line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 21px; line-height: 1.3; margin: 36px 0 8px; }
.meta { color: var(--muted); font-size: 15px; margin: 0 0 28px; }
p, ul { margin: 0 0 14px; }
ul { padding-left: 22px; }
li { margin-bottom: 6px; }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 20px;
  margin: 0 0 16px;
}
.card h2 { margin-top: 0; }
.note { border-left: 4px solid var(--volt); }

.hero { text-align: center; padding: 32px 0 8px; }
.hero img { width: 112px; height: 112px; border-radius: 26px; box-shadow: 0 12px 40px rgba(11, 110, 102, 0.45); }
.hero h1 { font-size: 44px; margin-top: 20px; }
.tagline { color: var(--volt); font-size: 21px; font-weight: 600; margin: 0 0 16px; }
.lede { color: var(--muted); font-size: 18px; max-width: 520px; margin: 0 auto 24px; }
.pill {
  display: inline-block;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: 10px 18px;
  font-weight: 600;
  font-size: 15px;
}
.features { display: grid; gap: 12px; margin-top: 40px; }
@media (min-width: 600px) { .features { grid-template-columns: repeat(3, 1fr); } }
.features .card { margin: 0; }
.features h2 { font-size: 17px; margin: 0 0 4px; }
.features p { color: var(--muted); font-size: 15px; margin: 0; }

footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer .wrap { padding-top: 20px; padding-bottom: 32px; }
footer nav { margin-bottom: 10px; }