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

body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: #222;
  background-color: #f4f6f8;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

.site-header {
  background: #1c2b39;
  color: #fff;
  padding: 20px 0;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.logo h1 {
  font-size: 1.8rem;
  margin-bottom: 4px;
}

.logo p {
  font-size: 0.95rem;
  color: #c8d3dd;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

.nav-links a:hover {
  color: #9ed0ff;
}

.hero {
  background: linear-gradient(rgba(20, 30, 40, 0.75), rgba(20, 30, 40, 0.75)),
    url('https://images.unsplash.com/photo-1503376780353-7e6692767b70?auto=format&fit=crop&w=1400&q=80')
    center/cover no-repeat;
  color: #fff;
  padding: 100px 0;
}

.hero-content {
  display: flex;
  align-items: center;
  min-height: 400px;
}

.hero-text {
  max-width: 650px;
}

.hero-text h2 {
  font-size: 2.6rem;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-text p {
  font-size: 1.1rem;
  margin-bottom: 25px;
}

.btn {
  display: inline-block;
  background: #0077cc;
  color: #fff;
  padding: 12px 24px;
  text-decoration: none;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: bold;
}

.btn:hover {
  background: #005fa3;
}

.section {
  padding: 70px 0;
  background: #fff;
}

.alt-section {
  background: #eef2f5;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: #1c2b39;
}

.section p {
  margin-bottom: 16px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.card {
  background: #fff;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.card h3 {
  margin-bottom: 12px;
  color: #0077cc;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 25px;
}

.feature {
  background: #f8fafc;
  padding: 22px;
  border-left: 4px solid #0077cc;
  border-radius: 6px;
}

.feature h3 {
  margin-bottom: 10px;
  color: #1c2b39;
}

.contact-section {
  background: #1c2b39;
  color: #fff;
}

.contact-section h2 {
  color: #fff;
}

.contact-form {
  display: grid;
  gap: 15px;
  margin: 30px 0;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
}

.contact-details p {
  margin-bottom: 8px;
}

.site-footer {
  background: #111a22;
  color: #c8d3dd;
  text-align: center;
  padding: 20px 0;
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .hero-text h2 {
    font-size: 2rem;
  }

  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    padding-top: 10px;
  }
}