@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
  --bg: #ffffff;
  --text: #333333;
  --primary: #004b87;
  --secondary: #e6f2ff;
  --font-main: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-main); background: var(--bg); color: var(--text); line-height: 1.6; }

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

/* Navbar */
.navbar {
  position: fixed; top: 0; width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 20px 5%; background: var(--bg); z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.logo { font-size: 1.5rem; font-weight: bold; color: var(--primary); }
.nav-links { display: flex; gap: 30px; }
.nav-links a { font-weight: 600; transition: color 0.3s; }
.nav-links a:hover { color: var(--primary); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; }
.nav-toggle span { display: block; width: 25px; height: 3px; background: var(--text); margin: 5px 0; transition: 0.3s; }

/* Hero */
.hero {
  height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center;
  background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1559839734-2b71ea197ec2?auto=format&fit=crop&w=1200&q=80') center/cover;
  color: #fff; padding: 0 20px;
}
.hero-content h1 { font-size: 4rem; margin-bottom: 20px; line-height: 1.1; }
.hero-content p { font-size: 1.2rem; margin-bottom: 30px; opacity: 0.9; }
.btn {
  display: inline-block; padding: 12px 30px; background: var(--primary); color: #fff;
  font-weight: bold; border-radius: 5px; transition: transform 0.3s, opacity 0.3s; border: none; cursor: pointer;
}
.btn:hover { transform: translateY(-3px); opacity: 0.9; }

/* Sections */
.section { padding: 80px 5%; }
.bg-secondary { background: var(--secondary); color: var(--text); }
.container { max-width: 1200px; margin: 0 auto; }
h2 { font-size: 2.5rem; margin-bottom: 40px; text-align: center; color: var(--primary); }

/* Grid */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { background: var(--bg); padding: 30px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); }
.card h3 { color: var(--primary); margin-bottom: 15px; }

/* Form */
.contact-form { max-width: 600px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 15px; border: 1px solid #ccc; border-radius: 5px; font-family: inherit; background: var(--bg); color: var(--text);
}
.contact-form button { width: 100%; font-size: 1.1rem; }

/* Footer */
footer { text-align: center; padding: 30px 5%; background: var(--primary); color: #fff; }

/* Mobile */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .hero-content h1 { font-size: 2.5rem; }
}