* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: #1f2937;
  background: #f8fafc;
}

a {
  color: inherit;
}

.hero {
  min-height: 80vh;
  background: linear-gradient(135deg, #0f172a, #1e3a8a);
  color: white;
  padding: 24px;
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 700;
  font-size: 1.2rem;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: white;
  text-decoration: none;
  opacity: 0.9;
}

.nav-links a:hover {
  opacity: 1;
}

.hero-content {
  max-width: 1120px;
  margin: 120px auto 0;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.85rem;
  opacity: 0.85;
}

h1 {
  max-width: 900px;
  font-size: clamp(2.4rem, 6vw, 5rem);
  line-height: 1.05;
  margin: 16px 0;
}

.subtitle {
  max-width: 760px;
  font-size: 1.2rem;
  color: #dbeafe;
}

.cta-row {
  margin-top: 32px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  padding: 12px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.primary {
  background: white;
  color: #0f172a;
}

.secondary {
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: white;
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 72px 24px;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.card {
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.06);
}

.card h3 {
  margin-top: 0;
}

.card span {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #1d4ed8;
}

.skills {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.skills span {
  background: white;
  border: 1px solid #e5e7eb;
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 600;
}

.contact {
  background: white;
  border-radius: 24px;
  margin-bottom: 48px;
}

.contact-box {
  margin-top: 24px;
  padding: 20px;
  background: #f1f5f9;
  border-radius: 16px;
}

footer {
  text-align: center;
  padding: 28px;
  color: #64748b;
}

@media (max-width: 720px) {
  .nav {
    align-items: flex-start;
    gap: 16px;
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 12px;
  }

  .hero-content {
    margin-top: 80px;
  }

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