/* --- DESIGN TOKENS --- */
:root {
    --primary: #002347;    /* Navy */
    --accent: #FF9933;     /* Saffron */
    --bg-light: #f8fafc;
    --white: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --shadow: 0 10px 30px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Poppins', sans-serif; }
body { background: var(--white); color: var(--text); line-height: 1.6; overflow-x: hidden; }

/* --- NAVIGATION --- */
.navbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.2rem 8%; background: var(--white);
    position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}
.logo { font-size: 1.4rem; font-weight: 800; color: var(--primary); }
.nav-links { display: flex; list-style: none; gap: 2rem; }
.nav-links a { text-decoration: none; color: var(--primary); font-weight: 600; font-size: 0.95rem; }
.nav-links a.active { color: var(--accent); }

.menu-btn { display: none; font-size: 1.8rem; cursor: pointer; color: var(--primary); }

/* --- HERO SYSTEM --- */
.hero {
    height: 75vh; display: flex; align-items: center; justify-content: center;
    text-align: center; color: var(--white); background-size: cover !important; background-position: center !important;
}
.hero-overlay { background: rgba(0,35,71,0.65); width: 100%; height: 100%; display: flex; flex-direction: column; justify-content: center; padding: 2rem; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 1rem; }

/* --- GRID & CARDS --- */
.container { width: 90%; max-width: 1200px; margin: 0 auto; padding: 4rem 0; }
.section-header { text-align: center; margin-bottom: 3rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }

.card {
    background: var(--white); border-radius: 15px; overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05); transition: var(--transition);
    border: 1px solid #f1f5f9; height: 100%;
}
.card:hover { transform: translateY(-10px); box-shadow: var(--shadow); }
.card img { width: 100%; height: 250px; object-fit: cover; }
.card-body { padding: 1.5rem; }
.tag { color: var(--accent); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; }

/* --- CONTACT & MAP --- */
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.info-box { background: var(--bg-light); padding: 2rem; border-radius: 15px; }
.map-container { 
    width: 100%; height: 300px; border-radius: 10px; overflow: hidden; 
    margin-top: 1.5rem; border: 2px solid #e2e8f0; 
}
.contact-form { background: var(--white); padding: 2rem; border-radius: 15px; box-shadow: var(--shadow); }
.input-group { margin-bottom: 1.2rem; }
.input-group input, .input-group textarea { width: 100%; padding: 0.8rem; border: 1px solid #ddd; border-radius: 8px; }
.btn { background: var(--primary); color: white; padding: 1rem; border: none; border-radius: 8px; cursor: pointer; width: 100%; font-weight: 700; }

/* --- RESPONSIVE --- */
@media (max-width: 850px) {
    .menu-btn { display: block; }
    .nav-links {
        display: none; flex-direction: column; position: absolute;
        top: 70px; left: 0; width: 100%; background: white; padding: 2rem;
    }
    .nav-links.active { display: flex; }
    .contact-wrapper { grid-template-columns: 1fr; }
}