/* Etkinlikler Sayfası Özel Stilleri */

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #000 0%, #000 100%);
    color: white;
    text-align: center;
    padding: 12rem 2rem 6rem;
    margin-top: 0px;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><radialGradient id="g" cx="50%" cy="50%" r="50%"><stop offset="0%" style="stop-color:rgba(255,255,255,0.1);stop-opacity:1" /><stop offset="100%" style="stop-color:rgba(255,255,255,0);stop-opacity:0" /></radialGradient></defs><circle cx="50" cy="50" r="50" fill="url(%23g)" /></svg>') center/300px;
    opacity: 0.1;
}

.page-header h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.page-header p {
    font-size: 1.3rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

/* Filter Section */
.filter-section {
    padding: 3rem 0;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
}

.filter-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    background: white;
    color: #64748b;
    border: 2px solid #e2e8f0;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: #000;
    color: white;
    border-color: #000;
    transform: translateY(-2px);
}

/* Events Section */
.events-section {
    padding: 4rem 0;
    background: white;
}

.event-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.1);
    margin-bottom: 3rem;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(30, 58, 138, 0.05);
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(30, 58, 138, 0.15);
}

.event-card.hidden {
    display: none;
}

/* Event Image */
.event-image img {
    
    height: auto;
    max-width: 100%;
  display: block;
  border-radius: 10px 10px 0 0;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
    align-items: center;
    justify-content: center;
}

.image-placeholder {
    font-size: 18px;
    color: #64748b;
    font-weight: 600;
}

.event-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #22c55e;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 15px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.workshop-badge {
    background: #f59e0b;
}

.social-badge {
    background: #8b5cf6;
}

.past-badge {
    background: #6b7280;
}

/* Event Content */
.event-content {
    display: flex;
    padding: 2rem;
    gap: 2rem;
}

.event-date {
    flex-shrink: 0;
}

.date-box {
    background: linear-gradient(135deg, #000000, #00000096);
    color: white;
    padding: 1rem;
    border-radius: 15px;
    text-align: center;
    min-width: 80px;
}

.date-box.past-date {
    background: linear-gradient(135deg, #000000, #00000096);
}

.date-box .day {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    line-height: 1;
}

.date-box .month {
    display: block;
    font-size: 0.875rem;
    text-transform: uppercase;
    margin-top: 0.25rem;
    opacity: 0.9;
}

.event-info {
    flex: 1;
}

.event-info h3 {
    font-size: 1.75rem;
    color: #000;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.3;
}

.event-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #64748b;
    font-size: 1rem;
}

.detail-item .icon {
    font-size: 1.1rem;
}

.event-description {
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.event-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn-primary {
    background: linear-gradient(135deg, #000000, #00000096);
    color: white;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #000;
    padding: 0.75rem 2rem;
    border: 2px solid #000;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: #000;
    color: white;
    transform: translateY(-2px);
}

/* Event Details Expanded */
.event-details-expanded {
    background: #f8fafc;
    padding: 2rem;
    border-top: 1px solid #e2e8f0;
}

.event-details-expanded h4 {
    font-size: 1.5rem;
    color: #000;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.detail-column h5 {
    font-size: 1.1rem;
    color: #000;
    margin-bottom: 1rem;
    font-weight: 600;
}

.detail-column ul {
    list-style: none;
    padding: 0;
}

.detail-column li {
    color: #64748b;
    padding: 0.25rem 0;
    font-size: 0.95rem;
    position: relative;
    padding-left: 1rem;
}

.detail-column li::before {
    content: '•';
    color: #3b82f6;
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.gallery-item {
    height: 120px;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
    border: 2px dashed #94a3b8;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #64748b;
    font-weight: 500;
}

/* Newsletter Section */
.newsletter-section {
    background: linear-gradient(135deg, #000, #00000096);
    color: white;
    text-align: center;
    padding: 4rem 2rem;
}

.newsletter-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.newsletter-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: 1rem;
    align-items: center;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
}

.newsletter-form input::placeholder {
    color: #64748b;
}

.newsletter-form button {
    white-space: nowrap;
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-header {
        padding: 10rem 2rem 4rem;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .filter-buttons {
        gap: 0.5rem;
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .filter-btn {
        flex-shrink: 0;
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .event-content {
        flex-direction: column;
        gap: 1rem;
        padding: 1.5rem;
    }
    
    .date-box {
        align-self: flex-start;
        min-width: 70px;
    }
    
    .event-info h3 {
        font-size: 1.5rem;
    }
    
    .event-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-primary,
    .btn-secondary {
        text-align: center;
        padding: 1rem;
    }
    
    .detail-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .newsletter-form {
        flex-direction: column;
        gap: 1rem;
    }
    
    .newsletter-form input,
    .newsletter-form button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .events-section {
        padding: 6rem 0;
    }
    
    .event-card {
        margin: 0 1rem 2rem;
        border-radius: 15px;
    }
    
    .event-image {
        height: auto;
    }
    
    .image-placeholder {
        font-size: 16px;
    }
    
    .event-content {
        padding: 1rem;
    }
    
    .date-box .day {
        font-size: 1.5rem;
    }
    
    .newsletter-section {
        padding: 3rem 1rem;
    }
    
    .newsletter-section h2 {
        font-size: 2rem;
    }
}