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

body {
  font-family: Arial, Helvetica, sans-serif;
  color: #1f2933;
  background: #ffffff;
  line-height: 1.6;
}

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

.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f172a, #1e3a8a);
  color: white;
  padding: 24px;
}

.navbar {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.logo {
  font-weight: 800;
  letter-spacing: 1px;
  font-size: 1.2rem;
}

.nav-links {
  display: flex;
  gap: 22px;
  align-items: center;
  font-size: 0.95rem;
}

.nav-links a {
  opacity: 0.9;
}

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

.btn-small {
  background: #f97316;
  color: white;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 700;
}

.hero-content {
  max-width: 900px;
  margin: 140px auto 0;
  text-align: center;
}

.tagline {
  color: #fed7aa;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2.3rem, 6vw, 4.8rem);
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-content p {
  max-width: 720px;
  margin: 0 auto 32px;
  color: #e5e7eb;
  font-size: 1.1rem;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary,
.btn-disabled {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 700;
}

.btn-primary {
  background: #f97316;
  color: white;
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: white;
}

.btn-disabled {
  background: #d1d5db;
  color: #374151;
  cursor: not-allowed;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 80px 24px;
}

.section h2 {
  font-size: 2.2rem;
  margin-bottom: 24px;
  color: #0f172a;
}

.section-light {
  max-width: none;
  background: #f8fafc;
}

.section-light h2,
.section-light p {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.card h3 {
  color: #1e3a8a;
  margin-bottom: 12px;
}

.section-contact {
  text-align: center;
}

.contact-box {
  margin: 28px auto 0;
  max-width: 520px;
  background: #f8fafc;
  border-radius: 18px;
  padding: 28px;
  text-align: left;
}

footer {
  background: #0f172a;
  color: white;
  text-align: center;
  padding: 28px;
}

@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

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

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