/* Custom CSS for ELOC Website */

/* Color Variables */
:root {
    --primary-color: #2d5016;
    --secondary-color: #4a7c59;
    --accent-color: #8fbc8f;
    --warning-color: #f39c12;
    --success-color: #27ae60;
    --info-color: #3498db;
    --danger-color: #e74c3c;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
}

/* Override Bootstrap primary color */
.bg-primary {
    background-color: var(--primary-color) !important;
}

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

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

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

.table-primary {
    background-color: var(--accent-color);
    color: var(--text-dark);
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    padding-top: 76px; /* Account for fixed navbar height */
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Navigation */
.navbar {
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
    color: #f39c12 !important;
}

.nav-link:hover {
    color: var(--accent-color) !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, rgba(45, 80, 22, 0.9), rgba(74, 124, 89, 0.8)), 
                url('https://images.unsplash.com/photo-1516026672322-bc52d61a55d5?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    min-height: 100vh;
}

.hero-overlay {
    background: rgba(0, 0, 0, 0.3);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-buttons .btn {
    margin: 0.5rem;
    padding: 0.75rem 2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.hero-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Section Styling */
section {
    padding: 5rem 0;
}

.section-title {
    position: relative;
    margin-bottom: 3rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

/* Cards */
.card {
    transition: all 0.3s ease;
    border: none;
    border-radius: 15px;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.feature-icon {
    transition: all 0.3s ease;
}

.card:hover .feature-icon {
    transform: scale(1.1);
}

/* Step Numbers */
.step-number {
    font-size: 1.5rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 5px 15px rgba(45, 80, 22, 0.3);
}

/* Research Stats */
.research-stat {
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 15px;
    color: white;
    transition: all 0.3s ease;
}

.research-stat:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

/* Tables */
.table {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.table thead th {
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.table tbody tr {
    transition: all 0.3s ease;
}

.table tbody tr:hover {
    background-color: rgba(45, 80, 22, 0.05);
    transform: scale(1.01);
}

/* Buttons */
.btn {
    border-radius: 25px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-lg {
    padding: 0.75rem 2rem;
}

/* Contact Items */
.contact-item {
    transition: all 0.3s ease;
    padding: 2rem;
    border-radius: 15px;
}

.contact-item:hover {
    background: var(--light-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.contact-item i {
    transition: all 0.3s ease;
}

.contact-item:hover i {
    transform: scale(1.1);
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--dark-color), #34495e) !important;
}

.social-links a {
    transition: all 0.3s ease;
    display: inline-block;
}

.social-links a:hover {
    transform: translateY(-3px);
    color: var(--accent-color) !important;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        background-attachment: scroll;
    }
    
    .display-3 {
        font-size: 2.5rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin: 0.5rem 0;
    }
}

@media (max-width: 576px) {
    .display-3 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 1.75rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Loading Animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Image Hover Effects */
img {
    transition: all 0.3s ease;
}

.img-hover:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* Mission Section Special Styling */
.bg-light {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef) !important;
}

/* Specification Cards */
.card-header {
    font-weight: 600;
    border: none;
}

.card-header.bg-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) !important;
}

.card-header.bg-success {
    background: linear-gradient(135deg, var(--success-color), #2ecc71) !important;
}

.card-header.bg-warning {
    background: linear-gradient(135deg, var(--warning-color), #f1c40f) !important;
}

.card-header.bg-info {
    background: linear-gradient(135deg, var(--info-color), #5dade2) !important;
}

/* List Styling */
.list-unstyled li {
    padding: 0.25rem 0;
    transition: all 0.3s ease;
}

.list-unstyled li:hover {
    padding-left: 10px;
    color: var(--primary-color);
}

/* Badge Styling */
.badge {
    border-radius: 20px;
    font-weight: 500;
}

/* Alert Styling */
.alert {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Progress Bar */
.progress {
    height: 8px;
    border-radius: 10px;
    background: var(--light-color);
}

.progress-bar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
}

/* Tooltip Styling */
.tooltip {
    font-size: 0.875rem;
}

.tooltip-inner {
    background: var(--primary-color);
    border-radius: 8px;
}

/* Modal Styling */
.modal-content {
    border: none;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

.modal-header {
    border: none;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 15px 15px 0 0;
}

/* Form Styling */
.form-control {
    border: 2px solid var(--light-color);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(45, 80, 22, 0.25);
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Print Styles */
@media print {
    .navbar,
    .hero-section,
    footer {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}