:root {
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Orbitron', sans-serif;
    --color-background: #0f0f10;
    --color-primary: #00d1d1;
    --color-secondary: #ffffff;
    --color-accent: #bdb5c8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.15);
    --blur: blur(16px);
    --border-radius: 16px;
    --box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

body {
    margin: 0;
    font-family: var(--font-primary);
    background-color: var(--color-background);
    color: var(--color-secondary);
    background-image: linear-gradient(145deg, #00232a 40%, #1a1a1e 100%);
}

header {
    background: rgba(0, 209, 209, 0.2);
    backdrop-filter: var(--blur);
    border-bottom: 1px solid var(--glass-border);
    text-align: center;
    padding: var(--spacing-lg);
    box-shadow: var(--box-shadow);
}

header h1 {
    font-family: var(--font-secondary);
    font-size: 2.8rem;
    margin: 0;
    color: var(--color-primary);
}

header p {
    margin-top: var(--spacing-sm);
    font-size: 1.1rem;
    color: var(--color-accent);
}

nav {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: var(--blur);
    text-align: center;
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--glass-border);
}

nav a {
    color: var(--color-secondary);
    text-decoration: none;
    margin: 0 var(--spacing-md);
    font-weight: bold;
    font-size: 1.1rem;
}

nav a:hover {
    color: var(--color-primary);
}

.section-title {
    font-family: var(--font-secondary);
    font-size: 2rem;
    text-align: center;
    margin: var(--spacing-xl) 0 var(--spacing-md);
    color: var(--color-primary);
}

.events-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
}

.event-card {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--blur);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease, border-color 0.3s ease;
    flex-wrap: wrap;
    /* ensures responsiveness */
}

.past-event-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--blur);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease, border-color 0.3s ease;
    flex-wrap: wrap;
    /* ensures responsiveness */
}

.event-card,.past-event-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
}

.event-image {
    flex: 0 0 250px;
    max-width: 100%;
}

.event-poster {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    object-fit: cover;
}

.event-content {
    flex: 1;
    min-width: 200px;
}

@media (max-width: 768px) {
    .event-card {
        flex-direction: column;
    }

    .event-image {
        flex: none;
        width: 100%;
    }
}


.event-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
}

.event-card h3 {
    margin-top: 0;
    color: var(--color-primary);
}

.event-card p {
    color: var(--color-accent);
}

.event-link {
    color: var(--color-accent);
    float: right;
    font-size: 1rem;
    margin-right: 10px;
    text-decoration: none;
}

.event-tag {
    display: inline-block;
    background: rgba(0, 209, 209, 0.3);
    color: white;
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 0.8rem;
    float: right;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}


.event-poster-16x9,
.event-poster-9x16,
.event-poster-4x3,
.event-poster-3x4 {
    width: 100%;
    height: 0;
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--box-shadow);
}

.event-poster-16x9 {
    padding-bottom: 56.25%;
}

.event-poster-9x16 {
    padding-bottom: 177.78%;
}

.event-poster-4x3 {
    padding-bottom: 75%;
}

.event-poster-3x4 {
    padding-bottom: 133.33%;
}

.event-poster-16x9 img,
.event-poster-9x16 img,
.event-poster-4x3 img,
.event-poster-3x4 img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: inherit;
    /* Matches parent for a seamless look */
}


.event-poster embed,
.event-poster iframe,
.event-poster img {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    border: none;
    object-fit: cover;
    border-radius: var(--border-radius);
}

form {
    max-width: 600px;
    margin: var(--spacing-xl) auto;
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    backdrop-filter: var(--blur);
    box-shadow: var(--box-shadow);
}

.input-box {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-md);
}

.input-box span {
    font-weight: bold;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-secondary);
}

.input-box input,
.input-box textarea {
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-secondary);
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.input-box input:focus,
.input-box textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 8px rgba(0, 209, 209, 0.4);
}

.input-box textarea {
    resize: vertical;
    min-height: 120px;
}

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1.1rem;
    font-family: var(--font-secondary);
    color: var(--color-background);
    background: var(--color-primary);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
}

.btn:hover {
    background: #00f0f0;
    transform: translateY(-2px);
}

footer {
    background: rgba(0, 209, 209, 0.1);
    border-top: 1px solid var(--glass-border);
    backdrop-filter: var(--blur);
    text-align: center;
    padding: var(--spacing-lg);
    color: white;
    margin-top: var(--spacing-xl);
}

footer .social-icons i {
    font-size: 1.5rem;
    margin: 0 var(--spacing-sm);
    color: white;
    transition: color 0.3s ease;
}

footer .social-icons i:hover {
    color: var(--color-primary);
}