:root {
  --bg: linear-gradient(135deg, #0f172a 0%, #111827 50%, #0b1224 100%);
  --card: rgba(255, 255, 255, 0.07);
  --text: #e8ecf5;
  --muted: #b8c2d9;
  --accent: #7dd3fc;
  --accent-2: #c084fc;
  --border: rgba(255, 255, 255, 0.12);
  --glow: 0 15px 50px rgba(109, 203, 255, 0.18);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(10, 15, 30, 0.75);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}
.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
  padding: 18px 0 60px;
}
nav {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.logo img {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: var(--glow);
}
.nav-links { display: flex; gap: 14px; flex-wrap: wrap; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 8px;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--accent); background: rgba(255,255,255,0.06); }
.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  align-items: center;
  padding: 46px 0 20px;
}
.tag { display: inline-flex; gap: 8px; align-items: center; padding: 8px 12px; background: rgba(255,255,255,0.08); border: 1px solid var(--border); border-radius: 999px; color: var(--muted); font-size: 14px; }
h1 { font-size: clamp(28px, 4vw, 42px); margin: 14px 0 12px; line-height: 1.1; }
p.lead { color: var(--muted); line-height: 1.6; margin: 0 0 18px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  padding: 12px 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, #38bdf8, #6366f1);
  color: #0b1224;
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--glow);
  transition: transform .15s, box-shadow .2s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 30px rgba(99,102,241,0.35); }
.btn.ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
  box-shadow: none;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 28px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  height: 100%;
}
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); line-height: 1.5; }
.pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(125, 211, 252, 0.12);
  color: var(--accent);
  font-size: 12px;
  margin-bottom: 8px;
}
.section-title { margin: 42px 0 14px; font-size: 22px; }
.timeline { border-left: 2px solid var(--border); margin-top: 12px; padding-left: 18px; display: grid; gap: 14px; }
.timeline-item { position: relative; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -24px; top: 3px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7dd3fc, #c084fc);
  box-shadow: var(--glow);
}
footer { margin-top: 40px; padding: 20px 0 30px; color: var(--muted); border-top: 1px solid var(--border); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { padding: 6px 10px; border-radius: 10px; background: rgba(255,255,255,0.05); border: 1px solid var(--border); color: var(--muted); font-size: 13px; }
@media (max-width: 640px) {
  nav { flex-direction: column; align-items: flex-start; }
  .hero { padding-top: 28px; }
}

/* Блок с фоновой иллюстрацией в герое */
.hero-illustration {
  aspect-ratio: 4 / 3;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: url('/photo/background/1.jpg') center/cover, linear-gradient(135deg, #1f2937, #0f172a);
  box-shadow: var(--glow);
  transition: background-image 0.4s ease;
}