:root {
    --primary-color: #0c2340; /* Professional Deep Navy */
    --secondary-color: #FFD700; /* Gold */
    --accent-color: #a52a2a; /* Maroon */
    --text-color: #333;
    --light-bg: #f8f9fa;
    --gradient-primary: linear-gradient(135deg, #0c2340 0%, #102a43 100%);
}

.text-primary {
    color: var(--primary-color) !important;
}

.text-accent {
    color: var(--accent-color) !important;
}

body {
    font-family: 'Poppins', sans-serif; /* Modern Font */
    color: var(--text-color);
    background-color: var(--light-bg);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

/* Navbar & Topbar */
.top-bar {
    background-color: var(--light-bg);
    font-size: 0.9rem;
    border-bottom: 1px solid #e5e7eb;
}

.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.nav-link {
    color: var(--primary-color) !important;
    font-weight: 600;
    margin: 0 10px;
}

.nav-link:hover, .nav-link.active {
    color: var(--secondary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #00152e;
    border-color: #00152e;
}

.btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: #000;
}

.btn-secondary:hover {
    background-color: #e6c200;
    border-color: #e6c200;
    color: #000;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(0, 33, 71, 0.8), rgba(0, 33, 71, 0.8)), url('../images/download.jfif');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 150px 0;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* Features Section */
.feature-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

/* Footer */
footer {
    /* background-color: #222; Removed for Light Theme */
    /* color: white; Removed for Light Theme */
    border-top: 1px solid #e5e7eb;
}

.social-links a {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-right: 15px;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--secondary-color) !important;
}

/* Animations Helper */
[data-aos] {
    pointer-events: none;
}
[data-aos].aos-animate {
    pointer-events: auto;
}

/* Mobile Responsiveness */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .navbar-collapse {
        background: white;
        padding: 15px;
        border-radius: 0 0 10px 10px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
}

@media (max-width: 768px) {
    .top-bar {
        text-align: center;
    }
    .hero-section {
        min-height: 500px;
        padding: 80px 0;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    .btn-lg {
        padding: 10px 20px;
        font-size: 1rem;
    }
}

/* --- World Class UI Additions --- */

/* 1. Smooth Fade In Animation */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 2. Enhanced Empty State */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    border: 1px dashed #dee2e6;
}

.empty-state-icon {
    font-size: 4rem;
    color: #dee2e6;
    margin-bottom: 20px;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.empty-state-text {
    color: #6c757d;
    max-width: 400px;
    margin: 0 auto;
}

/* 3. Glassmorphism Utility */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
}

/* 4. Hover Scaling Utility */
.hover-scale {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hover-scale:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1) !important;
}

/* 5. Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* 6. Scroll to Top Button */
#scrollToTopBtn {
    display: none;
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
    border: none;
    outline: none;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    cursor: pointer;
    padding: 15px;
    border-radius: 50%;
    font-size: 18px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}

#scrollToTopBtn:hover {
    transform: translateY(-5px);
    background-color: #e6c200;
}