:root {
  --color-primary: #193d71;
  --color-secondary: #00a9cc;
  --color-accent: #ff9900;
  --color-text-light: #dee4ea;
  --color-text-dark: #333;
}

body {
  font-family: "Montserrat", sans-serif;
  margin: 0;
  line-height: 1.6;
  color: var(--color-text-dark);
  background-color: #fff;
}

.container {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 20px;
}

.container p {
  text-wrap: balance;
}

h1,
h2,
h3,
h4 {
  color: var(--color-primary);
  font-weight: 700;
  margin-top: 0;
}

h3 {
  font-size: 1.3em;
}
h4 {
  font-size: 1.2em;
}

a {
  text-decoration: none;
  color: var(--color-secondary);
}

.btn {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-text-light);
  padding: 12px 25px;
  border-radius: 5px;
  font-weight: 700;
  transition: background-color 0.3s ease;
}

.btn:hover {
  background-color: #e68a00;
}

.primary-btn {
  background: var(--color-primary);
}

.primary-btn:hover {
  background-color: #122c50;
}

.hero {
  color: var(--color-text-light);
  text-align: center;
  padding: 0 0 20px 0;
}

.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5px 0 20px 0;
}

.main-nav .logo {
  max-width: 150px;
  height: auto;
}

.main-nav .nav-link {
  color: var(--color-primary);
  font-weight: 400;
  margin-left: 20px;
  transition: color 0.3s ease;
}

.main-nav .nav-link:hover {
  color: var(--color-accent);
}

.main-nav .nav-contact-btn {
  background: var(--color-accent);
  color: var(--color-text-light);
  padding: 8px 15px;
  border-radius: 5px;
  font-weight: 700;
  margin-left: 30px;
}

.main-nav .nav-contact-btn:hover {
  background-color: #e68a00;
}

.hero-content {
  padding-bottom: 40px;
}

.hero p {
  font-size: 1.2em;
  max-width: 700px;
  margin: 20px auto;
}

.about-section,
.services-section,
.contact-section {
  padding: 60px 0;
  text-align: center;
}

.about-section {
  background-color: #f9f9f9;
}

.services-section {
  background-color: #fff;
}

.contact-section {
  background-color: var(--color-secondary);
  color: var(--color-text-light);
  padding: 80px 0;
}

.contact-section h3,
.contact-section p {
  color: var(--color-text-light);
}

.services-grid {
  display: flex;
  gap: 30px;
  margin: 40px auto 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.service-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.service-card {
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 30px;
  text-align: left;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
  min-width: 280px;
  max-width: 300px;
  min-height: 260px;
}

.service-card:hover {
  transform: translateY(-5px);
}

.service-card h4 {
  color: var(--color-primary);
  margin-bottom: 5px;
  min-height: 70px;
}

footer {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  text-align: center;
  padding: 30px 0;
  font-size: 0.9em;
}

.logo {
  max-width: 400px;
  margin: 0;
}

@media (max-width: 768px) {
  .main-nav {
    flex-direction: column;
    align-items: center;
  }

  .main-nav .logo {
    margin-bottom: 20px;
  }

  .main-nav .nav-link {
    margin: 10px 0;
  }

  .hero h1 {
    font-size: 1.5em;
  }
  .hero h2 {
    font-size: 1.5em;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .logo {
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.2em;
  }
  .hero h2 {
    font-size: 1.2em;
  }
  .btn {
    padding: 10px 20px;
  }
  .service-card {
    min-width: 0;
    max-width: 80vw;
    display: flex;
    flex-direction: column;
  }
  .logo {
    max-width: 200px;
  }
}