* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #1f2933;
  background: #f7f8fa;
  line-height: 1.6;
}

.hero {
  background: linear-gradient(135deg, #111827, #1f2937);
  color: white;
  padding: 24px;
}

nav {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: bold;
  font-size: 1.1rem;
}

.nav-button,
.button {
  display: inline-block;
  background: #c9a227;
  color: #111827;
  padding: 12px 18px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}

.hero-content {
  max-width: 1100px;
  margin: 90px auto;
}

.hero-content h1 {
  max-width: 850px;
  font-size: 3rem;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-content p {
  max-width: 700px;
  font-size: 1.25rem;
  margin-bottom: 32px;
}

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 70px 24px;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 24px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.card {
  background: white;
  padding: 24px;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}

.card h3 {
  margin-top: 0;
}

.dark {
  background: #111827;
  color: white;
  max-width: none;
  text-align: center;
}

.dark p,
.dark h2 {
  max-width: 850px;
  margin-left: auto;
  margin-right: auto;
}

.contact {
  text-align: center;
}

footer {
  text-align: center;
  padding: 24px;
  background: #111827;
  color: white;
}

@media (max-width: 900px) {
  .cards {
    grid-template-columns: 1fr 1fr;
  }

  .hero-content h1 {
    font-size: 2.25rem;
  }
}

@media (max-width: 600px) {
  .cards {
    grid-template-columns: 1fr;
  }

  nav {
    flex-direction: column;
    gap: 16px;
  }

  .hero-content {
    margin: 60px auto;
  }

  .hero-content h1 {
    font-size: 2rem;
  }
}