/* --- Base Styles --- */
:root {
    --primary-color: #007bff;
    --primary-hover-color: #0056b3;
    --background-color: #f8f9fa;
    --card-background: #ffffff;
    --text-color: #333;
    --shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.6;
}

/* --- Hero Section with Video Background --- */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #ffffff;
    overflow: hidden;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.video-background video {
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.hero-content {
    background-color: rgba(0, 0, 0, 0.5);
    padding: 2rem;
    border-radius: 10px;
}

.hero-content h1 {
    font-size: clamp(2rem, 5vw, 4rem);
    margin-bottom: 0.5rem;
    text-shadow: var(--shadow);
}

.hero-content p {
    font-size: clamp(1rem, 2vw, 1.5rem);
    text-shadow: var(--shadow);
}

/* --- Main Content and Cards --- */
.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.discus-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background-color: var(--card-background);
    border-radius: 10px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.card-content {
    padding: 1.5rem;
    text-align: center;
}

.card-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.card-content p {
    font-size: 1rem;
    color: #666;
    margin-bottom: 1rem;
}

.button {
    display: inline-block;
    background-color: var(--primary-color);
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.button:hover {
    background-color: var(--primary-hover-color);
    transform: scale(1.05);
}

/* --- Footer --- */
.footer {
    text-align: center;
    padding: 2rem 1rem;
    background-color: #333;
    color: #ccc;
    margin-top: 2rem;
}

.social-links {
    margin-bottom: 1rem;
}

.social-icon {
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    margin: 0 1rem;
    transition: color 0.3s ease;
}

.social-icon:hover {
    color: var(--primary-color);
}

/* --- Responsiveness --- */
@media (max-width: 768px) {
    .hero-content {
        padding: 1rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.2rem;
    }
}