/* Core Styling & Variables */
:root {
    --primary-blue: #0A192F;
    --secondary-blue: #1750AC;
    --accent-gold: #D4AF37;
    --text-light: #F3F4F6;
    --text-dark: #333333;
}
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; scroll-behavior: smooth; }
a { text-decoration: none; }
section { padding: 80px 0; }
.section-title { color: var(--primary-blue); font-weight: bold; margin-bottom: 40px; text-transform: uppercase; border-bottom: 3px solid var(--accent-gold); display: inline-block; padding-bottom: 5px; }

/* Top Bar */
.top-bar { background-color: var(--primary-blue); color: var(--text-light); font-size: 0.9rem; padding: 10px 0; }
.top-bar i { color: var(--accent-gold); margin-right: 5px; }

/* Header & CSS-Only Nav */
.header-main { background: #fff; padding: 15px 0; box-shadow: 0 2px 10px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 1000; }
.logo-text { color: var(--primary-blue); font-weight: 800; font-size: 1.5rem; margin: 0; line-height: 1.1; }
.logo-sub { color: #666; font-size: 0.8rem; }
.nav-container { display: flex; justify-content: space-between; align-items: center; }

/* CSS-Only Mobile Menu Trick */
.nav-links { display: flex; list-style: none; margin: 0; padding: 0; gap: 20px; }
.nav-links a { color: var(--text-dark); 
    font-weight: 600; 
    text-transform: uppercase; 
    font-size: 0.9rem; 
    white-space: nowrap; }
.nav-links a:hover { color: var(--accent-gold); }
.nav-toggle, .nav-toggle-label { display: none; }

/* Hero Section */
.hero { background: linear-gradient(rgba(10,25,47,0.8), rgba(10,25,47,0.8)), url('../Images/hero-bg.jpg') center/cover; color: #fff; padding: 150px 0; text-align: center; }
.hero h1 { font-size: 3.5rem; font-weight: bold; color: var(--accent-gold); text-shadow: 2px 2px 4px rgba(0,0,0,0.5); }
.hero p { font-size: 1.2rem; max-width: 800px; margin: 20px auto; }
.btn-custom { background-color: var(--accent-gold); color: var(--primary-blue); font-weight: bold; padding: 12px 30px; border-radius: 4px; transition: background 0.3s; }
.btn-custom:hover { background-color: #fff; color: var(--primary-blue); }

/* Cards & Sections */
.feature-card, .course-card, .faculty-card { background: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); text-align: center; height: 100%; border-bottom: 4px solid transparent; }
.feature-card:hover, .course-card:hover { border-bottom: 4px solid var(--accent-gold); }
.feature-card i { font-size: 2.5rem; color: var(--secondary-blue); margin-bottom: 15px; }

/* Gallery CSS Grid */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 15px; }
.gallery-item img { width: 100%; height: 200px; object-fit: cover; border-radius: 5px; }

/* Notice Board */
.notice-board { background: var(--text-light); padding: 20px; border-left: 4px solid var(--secondary-blue); margin-bottom: 15px; }
.notice-date { color: var(--secondary-blue); font-weight: bold; font-size: 0.85rem; }

/* Footer */
.site-footer { background: var(--primary-blue); color: #fff; padding: 60px 0 20px; }
.site-footer a { color: #ccc; }
.site-footer a:hover { color: var(--accent-gold); }

/* Responsive Adjustments */
@media (max-width: 768px) {
    .nav-toggle-label { display: block; font-size: 2rem; cursor: pointer; color: var(--primary-blue); }
    .nav-links { display: none; flex-direction: column; width: 100%; position: absolute; top: 100%; left: 0; background: #fff; padding: 20px; box-shadow: 0 5px 10px rgba(0,0,0,0.1); }
    .nav-toggle:checked ~ .nav-links { display: flex; }
    .hero h1 { font-size: 2rem; }
}
.hero { 
    background: linear-gradient(rgba(10,25,47,0.8), rgba(10,25,47,0.8)), url('../Images/WhatsApp Image 2026-09-08 at 11.19.46 AM.jpeg') center/cover; 
    color: #fff; 
    padding: 150px 0; 
    text-align: center; 
}