* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #050816;
  --surface: rgba(16, 24, 56, 0.92);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --accent: #8b5cf6;
  --accent-strong: #7c3aed;
  --text: #f8fafc;
  --muted: #cbd5e1;
  --border: rgba(148, 163, 184, 0.18);
}

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, rgba(139, 92, 246, 0.22), transparent 26%),
              radial-gradient(circle at 80% 20%, rgba(56, 189, 248, 0.15), transparent 18%),
              linear-gradient(180deg, #070b1a 0%, #050816 100%);
  min-height: 100vh;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(5, 8, 22, 0.85);
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  transition: color 180ms ease;
}

.nav-links a:hover {
  color: var(--text);
}

.cta-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn,
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.85rem 1.6rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 150ms ease, background-color 150ms ease, color 150ms ease;
}

.btn {
  background: linear-gradient(135deg, var(--accent), #38bdf8);
  color: #fff;
}

.btn:hover,
.btn-outline:hover {
  transform: translateY(-1px);
}

.btn-outline {
  border: 1px solid rgba(139, 92, 246, 0.5);
  color: var(--text);
}

.hero {
  padding: 4rem 0 2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-copy {
  max-width: 620px;
}

.hero h1 {
  font-size: clamp(2.75rem, 4vw, 4.75rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  margin-bottom: 1rem;
}

.hero p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 1.75rem;
}

.stats {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 2rem;
}

.stat {
  background: var(--surface-strong);
  border: 1px solid rgba(148, 163, 184, 0.08);
  border-radius: 1.25rem;
  padding: 1.25rem;
}

.stat strong {
  display: block;
  font-size: 1.65rem;
  margin-bottom: 0.35rem;
}

.stat span {
  color: var(--muted);
}

.hero-visual {
  padding: 2rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 2rem;
  box-shadow: 0 40px 120px rgba(8, 10, 26, 0.35);
}

.card-panel {
  display: grid;
  gap: 1rem;
}

.panel-item {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.08);
  border-radius: 1.5rem;
  padding: 1.25rem;
}

.panel-item h3 {
  margin-bottom: 0.75rem;
}

.panel-item p {
  color: var(--muted);
  line-height: 1.7;
}

section {
  padding: 4rem 0;
}

section h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

section p.lead {
  max-width: 720px;
  color: var(--muted);
  margin-bottom: 2rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid rgba(148, 163, 184, 0.08);
  border-radius: 1.75rem;
  padding: 1.75rem;
}

.feature-card h3 {
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--muted);
  line-height: 1.8;
}

.timeline {
  display: grid;
  gap: 1.25rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.4rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(148, 163, 184, 0.08);
  border-radius: 1.5rem;
}

.timeline-marker {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(139, 92, 246, 0.15);
  color: #8b5cf6;
  font-weight: 700;
}

.timeline-item h3 {
  margin-bottom: 0.5rem;
}

.contact-card {
  display: grid;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid rgba(148, 163, 184, 0.08);
  border-radius: 1.75rem;
  padding: 2rem;
}

footer {
  padding: 2rem 0 4rem;
  color: var(--muted);
  text-align: center;
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

.mobile-menu {
  display: none;
}

@media (max-width: 940px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .navbar {
    flex-wrap: wrap;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    right: 1rem;
    left: 1rem;
    background: rgba(5, 8, 22, 0.98);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(148, 163, 184, 0.14);
    flex-direction: column;
    padding: 1rem 1.25rem;
    gap: 1rem;
    border-radius: 1.5rem;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .mobile-menu {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    border: 1px solid rgba(148, 163, 184, 0.18);
    color: var(--text);
    background: rgba(255,255,255,0.04);
    cursor: pointer;
  }

  .cta-group {
    width: 100%;
    justify-content: flex-end;
  }
}