/* Variables */
:root {
    --primary-blue: #004aad;
    --dark-blue: #002d6b;
    --light-blue: #e6f0ff;
    --dark-text: #333;
    --light-text: #666;
    --white: #ffffff;
    --bg-light: #f9f9f9;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Utilities */
.section-padding { padding: 80px 0; }
.bg-light { background: var(--bg-light); }
.center { text-align: center; }
.blue-text { color: var(--primary-blue); font-weight: bold; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.v-center { align-items: center; }
.w-full { width: 100%; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    transition: 0.3s;
    cursor: pointer;
    border: none;
}
.btn-primary { background: var(--primary-blue); color: var(--white); }
.btn-primary:hover { background: var(--dark-blue); }
.btn-outline { border: 2px solid var(--primary-blue); color: var(--primary-blue); }
.btn-white { background: var(--white); color: var(--primary-blue); font-weight: bold; }

/* Navbar */
.navbar {
    background: var(--white);
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo a { text-decoration: none; font-size: 1.5rem; font-weight: bold; }
.nav-links { list-style: none; display: flex; }
.nav-links li a {
    text-decoration: none;
    color: var(--dark-text);
    margin-left: 30px;
    font-weight: 600;
    transition: 0.3s;
}
.nav-links li a.active, .nav-links li a:hover { color: var(--primary-blue); }

/* Hero */
.hero {
    height: 70vh;
    background: linear-gradient(rgba(0,45,107,0.7), rgba(0,45,107,0.7)), url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&q=80&w=1500');
    background-size: cover;
    background-position: center;
    color: var(--white);
    display: flex;
    align-items: center;
}
.hero h1 { font-size: 3rem; margin-bottom: 20px; }
.hero p { font-size: 1.2rem; margin-bottom: 30px; max-width: 600px; }

/* Services Card */
.service-card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.service-card i { font-size: 3rem; color: var(--primary-blue); margin-bottom: 20px; }

/* Contact Form */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 5px; }
.form-group input, .form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

/* Footer */
.footer { background: var(--dark-blue); color: var(--white); padding: 60px 0 20px; }
.footer a { color: #ccc; text-decoration: none; }
.footer-bottom { text-align: center; border-top: 1px solid rgba(255,255,255,0.1); margin-top: 40px; padding-top: 20px; }

/* Mobile Responsive */
@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2rem; }
    .nav-links { display: none; }
    .reverse { flex-direction: column-reverse; }
}