.kurs-kategori-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.kurs-kategori-tab {
    padding: 10px 20px;
    border: none;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.kurs-kartlari-container {
    gap: 20px;
    padding: 20px 0;
}

.kurs-karti {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    padding: 0;
    margin: 0;
}

.kurs-karti:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.kurs-karti-link {
    display: block;
    text-decoration: none;
    color: inherit;
    padding: 0;
    margin: 0;
}

.kurs-gorsel {
    width: 100%;
    height: 200px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    margin: 0;
}

.kurs-gorsel img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    padding: 0;
    margin: 0;
}

.kurs-icerik {
    padding: 20px;
}

.kurs-baslik {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 10px 0;
    color: #333;
}

.kurs-kategori {
    font-size: 0.9rem;
    color: #666;
    margin: 0 0 10px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kurs-fiyat {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin: 0 0 8px 0;
}

.kurs-ogrenci {
    font-size: 0.9rem;
    color: #888;
    margin: 0 0 15px 0;
}

.kurs-aksiyon {
    padding: 0 20px 20px 20px;
}

.kurs-kayit-butonu {
    width: 100%;
    padding: 12px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
}

.kurs-kayit-butonu:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    transform: scale(1.02);
}

.kurs-kontenjan-dolu {
    display: inline-block;
    width: 100%;
    padding: 12px 20px;
    background: #e74c3c;
    color: #ffffff;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
}

/* Popup Styles */
.kurs-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.kurs-popup-content {
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.kurs-popup-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
    transition: color 0.3s ease;
}

.kurs-popup-close:hover {
    color: #333;
}

.kurs-popup-content h2 {
    margin-top: 0;
    margin-bottom: 20px;
    color: #333;
}

#kurs-kayit-formu label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #555;
}

#kurs-kayit-formu input[type="text"],
#kurs-kayit-formu input[type="email"],
#kurs-kayit-formu input[type="tel"],
#kurs-kayit-formu textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    margin-bottom: 15px;
    box-sizing: border-box;
}

#kurs-kayit-formu input[type="submit"] {
    width: 100%;
    padding: 12px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

#kurs-kayit-formu input[type="submit"]:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

#kurs-kayit-formu p {
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .kurs-kartlari-container {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 15px;
    }
    
    .kurs-popup-content {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .kurs-kartlari-container {
        grid-template-columns: 1fr;
    }
    
    .kurs-gorsel {
        height: 180px;
    }
}