:root {
  --bg: #0f1419;
  --panel: #171d24;
  --text: #e6e8eb;
  --muted: #9aa4af;
  --accent: #4fb3a9;
  --line: #26303a;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: var(--accent); }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 24px; }
header { padding: 24px 0; border-bottom: 1px solid var(--line); }
header .wrap { display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; display: flex; align-items: center; gap: 10px; }
.logo img { width: auto; height: 32px; }
nav a { margin-left: 20px; color: var(--muted); text-decoration: none; font-size: 0.95rem; }
nav a:hover { color: var(--text); }
.hero { padding: 96px 0 72px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; margin-bottom: 16px; }
.hero p { color: var(--muted); font-size: 1.15rem; max-width: 600px; margin-bottom: 32px; }
.btn {
  display: inline-block; padding: 12px 24px; border-radius: 6px;
  background: var(--accent); color: var(--bg); font-weight: 600; text-decoration: none;
}
section { padding: 64px 0; border-top: 1px solid var(--line); }
h2 { font-size: 1.6rem; margin-bottom: 24px; }
.about p { color: var(--muted); margin-bottom: 16px; max-width: 680px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 24px; }
.card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 0.95rem; }
.contact p { color: var(--muted); margin-bottom: 24px; }
.contact .btn { margin: 0 12px 12px 0; }
.btn-alt { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
footer { padding: 32px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.85rem; }
@media (max-width: 540px) { nav a { margin-left: 12px; } }