:root {
  --bg: #080a0f;
  --panel: #111827;
  --panel-2: #151f2f;
  --text: #f8fafc;
  --muted: #aeb8c8;
  --red: #ef233c;
  --orange: #ff9f1c;
  --blue: #2ec4ff;
  --border: rgba(255,255,255,.12);
  --shadow: 0 24px 80px rgba(0,0,0,.45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% 10%, rgba(239,35,60,.28), transparent 32%),
    radial-gradient(circle at 85% 20%, rgba(46,196,255,.17), transparent 28%),
    linear-gradient(180deg, #080a0f 0%, #0c111d 100%);
  color: var(--text);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(8,10,15,.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: 1160px;
  margin: 0 auto;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 900;
  letter-spacing: -.03em;
  font-size: 1.35rem;
}
.brand span { color: var(--orange); }

.nav-links {
  display: flex;
  gap: 20px;
  align-items: center;
  color: var(--muted);
  font-weight: 700;
}
.nav-links a:hover { color: var(--text); }
.menu-toggle { display: none; }

.hero {
  max-width: 1160px;
  min-height: 78vh;
  margin: 0 auto;
  padding: 92px 22px 56px;
  display: grid;
  grid-template-columns: 1.35fr .8fr;
  align-items: center;
  gap: 42px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .78rem;
  font-weight: 900;
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: .9;
  letter-spacing: -.08em;
  margin-bottom: 24px;
}
h1 span { color: var(--red); text-shadow: 0 0 32px rgba(239,35,60,.4); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -.05em; margin-bottom: 16px; }
h3 { font-size: 1.3rem; margin-bottom: 10px; }
.lead { font-size: 1.22rem; color: var(--muted); line-height: 1.7; max-width: 720px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--red), var(--orange));
  color: #fff;
  font-weight: 900;
  box-shadow: 0 12px 32px rgba(239,35,60,.28);
}
.btn.ghost { background: transparent; border: 1px solid var(--border); box-shadow: none; }
.btn.small { padding: 10px 15px; font-size: .9rem; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }

.hero-card, .build-card, .video-card, .stats div, .contact {
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.035));
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 34px;
  position: relative;
  overflow: hidden;
}
.hero-card p, .video-card p, .section-title p, .about p, .contact p, .build-card p { color: var(--muted); line-height: 1.7; }
.hero-card a { color: var(--blue); font-weight: 900; }

.tire {
  width: 180px;
  height: 180px;
  border: 28px dashed rgba(255,255,255,.24);
  border-radius: 50%;
  margin-bottom: 28px;
  animation: spin 16s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.stats {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 22px 36px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.stats div { padding: 24px; }
.stats strong { display: block; font-size: 2rem; color: var(--orange); }
.stats span { color: var(--muted); font-weight: 800; }

.section {
  max-width: 1160px;
  margin: 0 auto;
  padding: 78px 22px;
}
.section-title { max-width: 720px; margin-bottom: 28px; }
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.video-card { padding: 18px; }
.video-placeholder {
  aspect-ratio: 16 / 9;
  border-radius: 20px;
  margin-bottom: 18px;
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, rgba(239,35,60,.32), rgba(46,196,255,.18)),
    repeating-linear-gradient(45deg, rgba(255,255,255,.08) 0 8px, transparent 8px 16px);
  color: #fff;
  font-weight: 900;
}

.split {
  display: grid;
  grid-template-columns: 1fr .8fr;
  gap: 26px;
  align-items: center;
}
.checklist { padding-left: 0; list-style: none; color: var(--muted); line-height: 2; font-weight: 700; }
.checklist li::before { content: "✓"; color: var(--orange); margin-right: 10px; }
.build-card { padding: 34px; min-height: 280px; display: flex; flex-direction: column; justify-content: center; }
.big { font-size: 2.4rem; color: var(--orange) !important; font-weight: 900; letter-spacing: -.05em; }

.about {
  text-align: center;
  max-width: 900px;
}
.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 36px;
}
footer { text-align: center; padding: 34px 22px; color: var(--muted); border-top: 1px solid var(--border); }

@media (max-width: 800px) {
  .menu-toggle {
    display: block;
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px 12px;
    font-size: 1.2rem;
  }
  .nav-links {
    display: none;
    position: absolute;
    left: 22px;
    right: 22px;
    top: 72px;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--panel);
    flex-direction: column;
    align-items: stretch;
  }
  .nav-links.open { display: flex; }
  .hero, .split, .contact { grid-template-columns: 1fr; display: grid; }
  .stats, .video-grid { grid-template-columns: 1fr; }
  .contact { text-align: left; }
}