:root {
  --bg: #0e0f14;
  --card: #171922;
  --accent: #e53935;
  --text: #f5f6f8;
  --muted: #9aa0ad;
  --border: #23263a;
  --radius: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Inter, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, #1c1f2b, var(--bg));
  color: var(--text);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 20px; }

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(14,15,20,.8);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #1f2230;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  font-weight: 800;
  letter-spacing: .5px;
  font-size: 20px;
}

.logo span { color: var(--accent); }

.menu { display: flex; gap: 18px; font-size: 14px; }

.menu a { position: relative; padding: 6px 0; }

.menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width .25s ease;
}

.menu a:hover::after { width: 100%; }

.cta {
  background: linear-gradient(135deg, #ff5a52, var(--accent));
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(229,57,53,.35);
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}

.cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 40px rgba(229,57,53,.55);
  filter: brightness(1.05);
}

.hero {
  padding: 80px 0 40px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items: center;
}

h1 {
  font-size: 44px;
  line-height: 1.1;
  margin: 0 0 16px;
}

.subtitle {
  color: var(--muted);
  font-size: 18px;
  max-width: 520px;
}

.hero-card {
  background: linear-gradient(180deg, #1b1e2b, var(--card));
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
}

.hero-actions { display: flex; gap: 14px; margin-top: 22px; }

.btn {
  padding: 14px 22px;
  border-radius: 12px;
  font-weight: 700;
  text-align: center;
  min-width: 180px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.btn.primary { background: var(--accent); }
.btn.secondary { background: #22253a; color: var(--muted); }

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0,0,0,.35);
}

section { margin: 40px 0; }

h2 { font-size: 28px; margin-bottom: 14px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 22px;
  border: 1px solid var(--border);
}

.card h3 { margin-top: 0; }

footer {
  border-top: 1px solid #1f2230;
  padding: 40px 0;
  color: var(--muted);
  font-size: 14px;
}

/* Адаптивность */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 50px; }
  h1 { font-size: 34px; }
  .menu { display: none; }
}