:root {
  --bg: #0f1419;
  --bg-soft: #172029;
  --text: #e8edf2;
  --muted: #9aa8b5;
  --accent: #7fb8a4;
  --accent-hover: #9fd0be;
  --border: #26323d;
}
* { 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;
  min-height: 100vh; display: flex; flex-direction: column;
}
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.5rem 2rem; max-width: 960px; width: 100%; margin: 0 auto;
}
.logo { display: inline-flex; align-items: center; gap: 0.6rem; font-weight: 700; font-size: 1.15rem; letter-spacing: 0.04em; color: var(--text); text-decoration: none; }
nav a { color: var(--muted); text-decoration: none; margin-left: 1.5rem; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); }
main {
  flex: 1; display: flex; flex-direction: column; justify-content: center;
  max-width: 720px; width: 100%; margin: 0 auto; padding: 3rem 2rem;
}
.hero { text-align: center; }
h1 { font-size: clamp(2.5rem, 8vw, 4.5rem); letter-spacing: 0.02em; line-height: 1.1; margin-bottom: 1rem; }
.tagline { color: var(--muted); font-size: 1.2rem; max-width: 520px; margin: 0 auto 2.5rem; }
.button {
  display: inline-block; background: var(--accent); color: var(--bg); font-weight: 600;
  padding: 0.85rem 1.75rem; border-radius: 8px; text-decoration: none; transition: background 0.15s ease;
}
.button:hover { background: var(--accent-hover); color: var(--bg); }
h2 { font-size: 2rem; margin-bottom: 0.5rem; }
.lead { color: var(--muted); margin-bottom: 2rem; }
.card { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 10px; padding: 1.5rem; margin-bottom: 1rem; }
.card h3 { margin-bottom: 0.4rem; }
.card p { color: var(--muted); }
.card .button { margin-top: 1rem; }
footer { text-align: center; color: var(--muted); font-size: 0.85rem; padding: 2rem; }
.badge { display: block; width: min(320px, 75vw); height: auto; margin: 0 auto; }