:root {
  --bg: #0f1412;
  --card: #1a221e;
  --text: #e8efe9;
  --muted: #a3b5aa;
  --acc: #3dba7a;
  --line: #2a3830;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: Georgia, "Times New Roman", serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }
header {
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(15,20,18,.92);
  backdrop-filter: blur(8px);
}
.nav { display: flex; justify-content: space-between; align-items: center; height: 64px; }
.logo { color: #fff; text-decoration: none; font-weight: 700; letter-spacing: .04em; }
.logo span { color: var(--acc); }
nav a { color: var(--muted); text-decoration: none; margin-left: 22px; font-size: 15px; }
nav a:hover { color: #fff; }
.hero { padding: 88px 0 72px; }
.kicker { color: var(--acc); letter-spacing: .12em; text-transform: uppercase; font-size: 13px; margin-bottom: 12px; font-family: system-ui, sans-serif; }
h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.15; margin-bottom: 16px; }
.lead { color: var(--muted); max-width: 34em; font-size: 18px; margin-bottom: 28px; }
.btn {
  display: inline-block; background: var(--acc); color: #082014;
  text-decoration: none; padding: 12px 22px; font-weight: 700;
  font-family: system-ui, sans-serif;
}
.btn:hover { filter: brightness(1.08); }
section { padding: 56px 0; }
.alt { background: #121916; }
h2 { font-size: 28px; margin-bottom: 22px; }
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
article { background: var(--card); border: 1px solid var(--line); padding: 22px; }
h3 { margin-bottom: 8px; font-size: 20px; }
p { color: var(--muted); }
a { color: var(--acc); }
footer { border-top: 1px solid var(--line); padding: 28px 0; font-size: 14px; }
@media (max-width: 640px) {
  nav { display: none; }
  .hero { padding: 56px 0 48px; }
}