/* Global styles */
:root {
  --color-primary: #002b5b;
  --color-secondary: #97b1df;
  --color-light: #f5f7fa;
  --color-dark: #030a18;
  --color-accent: #1f6bba;
  --max-width: 1200px;
}

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--color-dark);
  line-height: 1.6;
  background: #fff;
}

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

/* Navigation */
header {
  background: var(--color-primary);
  color: #fff;
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
}

.navbar {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
}

.logo a {
  font-weight: 700;
  font-size: 1.25rem;
  color: #fff;
  letter-spacing: 1px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: #fff;
  font-weight: 600;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--color-secondary);
}

/* Hero */
.hero {
  height: 100vh;
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
}

.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 43, 91, 0.65);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 0 1rem;
}

.hero-content h1 {
  font-size: 2.75rem;
  margin-bottom: 0.5rem;
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.btn-primary {
  display: inline-block;
  background: var(--color-secondary);
  color: var(--color-dark);
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  transition: background 0.3s ease;
}

.btn-primary:hover {
  background: #b5c9e6;
}

/* Sections */
.section {
  padding: 5rem 2rem 4rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section.light {
  background: var(--color-light);
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
  text-align: center;
}

.section-intro {
  max-width: 800px;
  margin: 0 auto 2rem;
  text-align: center;
  font-size: 1rem;
  color: #555;
}

/* Grid layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.card,
.package {
  background: #fff;
  border: 1px solid #e5e8ed;
  border-radius: 6px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover,
.package:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.card h3,
.package h3 {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.95rem;
  color: #555;
}

.package ul {
  list-style: none;
  padding-left: 0;
}

.package li {
  font-size: 0.95rem;
  color: #555;
  margin-bottom: 0.4rem;
  padding-left: 1.2rem;
  position: relative;
}

.package li::before {
  content: '\2022';
  position: absolute;
  left: 0;
  color: var(--color-secondary);
  font-weight: bold;
}

/* Pricing table */
.pricing-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.pricing-table th,
.pricing-table td {
  border: 1px solid #e5e8ed;
  padding: 0.75rem 1rem;
  text-align: left;
}

.pricing-table th {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
}

.pricing-table tr:nth-child(even) td {
  background: var(--color-light);
}

.note {
  font-size: 0.9rem;
  color: #555;
  margin-top: 0.5rem;
  text-align: center;
}

/* Contact form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.contact-form input,
.contact-form textarea {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
}

.contact-form textarea {
  height: 120px;
  resize: vertical;
}

.contact-form button {
  padding: 0.75rem 1.5rem;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  margin-top: 0.5rem;
  transition: background 0.3s ease;
}

.contact-form button:hover {
  background: var(--color-accent);
}

/* Footer */
footer {
  background: var(--color-primary);
  color: #fff;
  text-align: center;
  padding: 1rem;
}

footer p {
  font-size: 0.9rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .navbar {
    justify-content: space-between;
  }
  .hero-content h1 {
    font-size: 2rem;
  }
  .hero {
    height: 70vh;
  }
  .section {
    padding: 4rem 1rem 3rem;
  }
  .form-row {
    flex-direction: column;
  }
}