/* Core Styles and Layout */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Hind Siliguri', sans-serif;
    line-height: 1.6;
    background-color: #f8f9fa;
    color: #333;
}

html {
    scroll-behavior: smooth;
}

/* @tweakable main patriotic colors */
:root {
    --primary-red: #d32f2f;
    --primary-green: #2e7d32;
    --accent-gold: #ff6f00;
    --text-dark: #1a1a1a;
    --text-light: #666;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --shadow: rgba(0, 0, 0, 0.1);
}

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

/* Section Styling */
.section-title {
    /* @tweakable section title styling */
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-dark);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-green));
    border-radius: 2px;
}

/* About Section */
.about-section {
    padding: 80px 0;
    background: var(--white);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    /* @tweakable about section text size */
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-light);
}

/* Program Schedule Section */
.schedule-section {
    padding: 80px 0;
    background: var(--light-gray);
}

/* @tweakable video showcase section styling */
.video-showcase-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-top: 3px solid var(--primary-green);
}

.video-showcase-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 50px;
    font-style: italic;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* @tweakable video grid layout configuration */
.video-showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.video-showcase-item {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-red);
    /* @tweakable video item hover effects */
    position: relative;
}

.video-showcase-item:nth-child(even) {
    border-left-color: var(--primary-green);
}

.video-showcase-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

/* @tweakable video wrapper aspect ratio and styling */
.video-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: #000;
}

.video-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
    transition: opacity 0.3s ease;
}

.video-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--primary-red), var(--primary-green));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
    pointer-events: none;
}

.video-showcase-item:hover .video-wrapper::before {
    opacity: 0.05;
}

/* @tweakable video information section styling */
.video-info {
    padding: 20px;
}

.video-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.3;
}

.video-info p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* @tweakable load more button styling */
.load-more-container {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.load-more-btn {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-red) 100%);
    color: var(--white);
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Hind Siliguri', sans-serif;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.load-more-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.load-more-btn:hover::before {
    left: 100%;
}

.load-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.load-more-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* @tweakable video showcase animation keyframes */
@keyframes videoFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.video-showcase-item.animate-in {
    animation: videoFadeIn 0.6s ease forwards;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--text-dark) 0%, #2c2c2c 100%);
    color: var(--white);
    padding: 60px 0 20px;
    text-align: center;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer h3 {
    /* @tweakable footer heading size */
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--accent-gold);
}

.organizer {
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-weight: 500;
}

.slogan {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 30px;
    color: #ccc;
}

.social-media {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--primary-green);
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.social-link:hover {
    background: var(--primary-red);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 20px;
    color: #aaa;
}

/* Responsive Design */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .video-showcase-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .video-showcase-item {
        border-radius: 12px;
    }
    
    .video-info {
        padding: 15px;
    }
    
    .video-info h4 {
        font-size: 1.1rem;
    }
    
    .video-info p {
        font-size: 0.9rem;
    }
    
    .video-showcase-subtitle {
        font-size: 1rem;
        margin-bottom: 30px;
    }
    
    .load-more-btn {
        padding: 12px 25px;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .video-showcase-section {
        padding: 60px 0;
    }
    
    .video-showcase-grid {
        gap: 15px;
        margin-top: 30px;
    }
    
    .video-info {
        padding: 12px;
    }
    
    .video-info h4 {
        font-size: 1rem;
        margin-bottom: 8px;
    }
    
    .video-info p {
        font-size: 0.85rem;
    }
    
    .load-more-container {
        margin-top: 20px;
    }
    
    .load-more-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}