/* Referanslar Kartları - Modern Tasarım */

.referanslar-container {
    padding: 40px 0;
}

.referanslar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

/* Kart Tasarımı */
.referans-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.referans-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

/* Resim Bölümü */
.referans-card-image {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.referans-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.referans-card:hover .referans-card-image img {
    transform: scale(1.08);
}

/* Overlay efekti */
.referans-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.referans-card:hover .referans-card-overlay {
    opacity: 1;
}

/* İçerik Bölümü */
.referans-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.referans-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #2d3748;
    margin: 0 0 12px 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.referans-card-text {
    color: #718096;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0 0 20px 0;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Buton Tasarımı */
.referans-card-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.referans-card-button:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
    color: #fff;
    text-decoration: none;
}

.referans-card-button i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.referans-card-button:hover i {
    transform: translateX(4px);
}

/* Loading Skeleton */
.referans-card-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* Responsive Tasarım */
@media (max-width: 1200px) {
    .referanslar-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .referanslar-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }

    .referans-card-image {
        height: 180px;
    }

    .referans-card-body {
        padding: 20px;
    }

    .referans-card-title {
        font-size: 1.1rem;
    }

    .referans-card-text {
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .referanslar-container {
        padding: 20px 0;
    }

    .referanslar-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .referans-card-image {
        height: 200px;
    }
}

/* Badge/Tag Stilleri (opsiyonel) */
.referans-card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255, 255, 255, 0.95);
    color: #667eea;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Boş Durum */
.referanslar-empty {
    text-align: center;
    padding: 60px 20px;
    color: #718096;
}

.referanslar-empty i {
    font-size: 4rem;
    color: #cbd5e0;
    margin-bottom: 20px;
}

.referanslar-empty h3 {
    font-size: 1.5rem;
    color: #2d3748;
    margin-bottom: 10px;
}

.referanslar-empty p {
    font-size: 1rem;
    color: #718096;
}