@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
  color-scheme: dark;
  --bg: #0b1120;
  --card: rgba(15, 23, 42, 0.7);
  --accent: #7c3aed;
  --accent-2: #22d3ee;
  --accent-3: #f97316;
  --text: #e2e8f0;
  --muted: #cbd5f5;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: radial-gradient(circle at top left, rgba(124, 58, 237, 0.22), transparent 45%),
    radial-gradient(circle at top right, rgba(34, 211, 238, 0.22), transparent 40%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}

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

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
}

.brand {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.nav-links a {
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-2);
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: center;
  padding: 2rem 0 3rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.1;
  background: linear-gradient(120deg, var(--accent), var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  color: transparent;
}

.hero p {
  margin-top: 1rem;
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.8rem;
  flex-wrap: wrap;
}

.button {
  padding: 0.75rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button.primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #0b1120;
}

.button.secondary {
  border: 1px solid rgba(226, 232, 240, 0.2);
  color: var(--text);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(124, 58, 237, 0.25);
}

.hero-card img {
  width: 100%;
  border-radius: 26px;
  box-shadow: 0 28px 60px rgba(15, 23, 42, 0.45);
}

.section-title {
  font-size: 1.6rem;
  margin: 2.5rem 0 1.5rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--card);
  border-radius: 20px;
  padding: 1.5rem;
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(12px);
}

.card h3 {
  margin-bottom: 0.6rem;
  font-size: 1.15rem;
}

.card p {
  color: var(--muted);
  line-height: 1.6;
}

.timeline {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.timeline-item {
  padding: 1rem 1.2rem;
  background: rgba(15, 23, 42, 0.6);
  border-radius: 14px;
  border-left: 3px solid var(--accent-2);
}

.footer {
  margin-top: 3.5rem;
  text-align: center;
  color: rgba(226, 232, 240, 0.6);
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  .nav-links {
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: flex-end;
  }
}