@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600&display=swap");

:root {
  --bg-primary: #060606;
  --bg-secondary: #111;
  --text-primary: #f5f5f5;
  --text-muted: #a3a3a3;
  --accent: #4f46e5;
  --border: rgba(255, 255, 255, 0.08);
  --max-width: 960px;
  --transition: 180ms ease;
}

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

body {
  font-family: "Poppins", sans-serif;
  background: radial-gradient(
      circle at top,
      rgba(79, 70, 229, 0.12),
      transparent
    ),
    var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

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

header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(6, 6, 6, 0.85);
  border-bottom: 1px solid var(--border);
  padding: 0 clamp(16px, 4vw, 42px);
}

.nav-bar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
}

.nav-bar ul {
  display: flex;
  gap: 24px;
  list-style: none;
}

.nav-bar ul a {
  color: var(--text-muted);
  transition: color var(--transition);
}

.nav-bar ul a:hover,
.nav-bar ul a:focus {
  color: var(--text-primary);
}

main {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 24px 120px;
}

section {
  padding: 96px 0 0;
}

.hero {
  min-height: 65vh;
  display: grid;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  letter-spacing: -0.04em;
  font-weight: 700;
}

.hero p {
  max-width: 560px;
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid var(--border);
  transition: transform var(--transition), background var(--transition);
}

.button.primary {
  background: var(--accent);
  border-color: transparent;
  color: #fff;
}

.button.primary:hover {
  transform: translateY(-2px);
  background: #4338ca;
}

.button.secondary:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.05);
}

.section-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--text-muted);
  margin-bottom: 18px;
  display: inline-block;
}

.cards {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  padding: 28px;
  border-radius: 22px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  transition: transform var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(79, 70, 229, 0.4);
}

.card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.highlight {
  color: var(--accent);
}

.timeline {
  border-left: 1px solid var(--border);
  padding-left: 24px;
  display: grid;
  gap: 28px;
}

.timeline-item h3 {
  font-weight: 600;
  font-size: 1.1rem;
}

.timeline-item span {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.contact-tile {
  padding: 20px 24px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(17, 17, 17, 0.66);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

footer {
  margin: 120px auto 60px;
  max-width: var(--max-width);
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
  padding-top: 32px;
}

@media (max-width: 720px) {
  header {
    padding: 0 16px;
  }

  .nav-bar {
    flex-direction: column;
    gap: 12px;
  }

  .nav-bar ul {
    gap: 16px;
  }

  .hero {
    padding-top: 42px;
  }
}