/* Activity Details Page CSS */
:root {
    --activity-bg: #000000;
    --activity-text: #ffffff;
    --activity-accent: #b08b45;
    /* Brand Gold */
    --activity-muted: #888888;
    --activity-card-bg: #1a1a1a;
    --activity-spacing: 4rem;
    --activity-transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.activity-details-page {
    background-color: var(--activity-bg);
    color: var(--activity-text);
    font-family: 'Inter', 'Roboto', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

.container-limit {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero Section */
.activity-hero {
    padding: 6rem 0 4rem;
    text-align: center;
    border-bottom: 1px solid #333;
}

.activity-hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.activity-hero p {
    font-size: 1.25rem;
    color: var(--activity-muted);
    max-width: 700px;
    margin: 0 auto;
}

/* Image Showcase */
.activity-showcase {
    padding: 4rem 0;
    display: flex;
    gap: 24px;
}

.showcase-image {
    flex: 1;
    overflow: hidden;
    border-radius: 4px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.showcase-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.showcase-image:hover img {
    transform: scale(1.03);
}

/* Info Cards Section */
.activity-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 4rem;
}

.info-card {
    background: var(--activity-card-bg);
    padding: 2rem;
    border-radius: 4px;
    border: 1px solid #333;
    transition: var(--activity-transition);
}

.info-card:hover {
    border-color: var(--activity-accent);
    transform: translateY(-5px);
}

.info-card h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--activity-accent);
    margin-bottom: 0.75rem;
    letter-spacing: 2px;
}

.info-card p {
    font-size: 1.25rem;
    font-weight: 600;
}

/* Description Section */
.activity-description {
    margin-bottom: 6rem;
}

.activity-description h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
}

.activity-description p {
    font-size: 1.1rem;
    color: #ccc;
    max-width: 800px;
}

/* Registration Form */
.registration-section {
    background: #0a0a0a;
    padding: 4rem;
    border-radius: 8px;
    margin-bottom: 6rem;
}

.registration-section h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.25rem;
    margin-bottom: 2rem;
    text-align: center;
}

.registration-form {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-size: 0.9rem;
    color: var(--activity-muted);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    background: transparent;
    border: 1px solid #333;
    padding: 12px;
    color: #fff;
    border-radius: 4px;
    outline: none;
    transition: border-color var(--activity-transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--activity-accent);
}

.submit-btn {
    grid-column: span 2;
    background: var(--activity-accent);
    color: #000;
    border: none;
    padding: 16px;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    border-radius: 4px;
    transition: filter 0.3s ease;
}

.submit-btn:hover {
    filter: brightness(1.1);
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .activity-showcase {
        flex-direction: column;
    }

    .registration-form {
        grid-template-columns: 1fr;
    }

    .form-group.full-width {
        grid-column: span 1;
    }

    .submit-btn {
        grid-column: span 1;
    }

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

    .registration-section {
        padding: 2rem 1.5rem;
    }
}