/* ===================================
   KOLEKSİYONLAR PAGE STYLES
   =================================== */

/* Dark Navbar */
.navbar-dark {
    background: var(--color-bg);
    box-shadow: var(--shadow-sm);
}

.navbar-dark .logo {
    color: var(--color-primary);
}

.navbar-dark .nav-links a {
    color: var(--color-primary);
}

.navbar-dark .nav-links a.active {
    color: var(--color-secondary);
}

.navbar-dark .search-btn {
    color: var(--color-primary);
}

.navbar-dark .menu-toggle span {
    background-color: var(--color-primary);
}

/* Page Header */
.page-header {
    padding: 140px var(--space-md) var(--space-lg);
    text-align: center;
    background-color: var(--color-bg);
}

.page-header h1 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.5em;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.page-subtitle {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--color-primary);
}

/* Collections Section */
.collections-section {
    padding: 0 var(--space-md) var(--space-xl);
    background-color: var(--color-bg);
}

.collections-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

/* Collection Card */
.collection-card {
    position: relative;
    min-height: 350px;
    overflow: hidden;
    display: block;
    text-decoration: none;
}

.collection-card.large {
    grid-column: span 1;
    grid-row: span 2;
    min-height: 100%;
}

.collection-card.wide {
    grid-column: span 2;
}

.collection-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.collection-card:hover .collection-image {
    transform: scale(1.05);
}

.collection-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top,
            rgba(0, 0, 0, 0.8) 0%,
            rgba(0, 0, 0, 0.3) 50%,
            rgba(0, 0, 0, 0.1) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-lg);
    transition: background 0.5s ease;
}

.collection-card:hover .collection-overlay {
    background: linear-gradient(to top,
            rgba(0, 0, 0, 0.9) 0%,
            rgba(0, 0, 0, 0.4) 50%,
            rgba(0, 0, 0, 0.2) 100%);
}

.collection-tag {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-secondary);
    margin-bottom: var(--space-xs);
}

.collection-overlay h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 400;
    color: white;
    margin-bottom: var(--space-xs);
    letter-spacing: 0.1em;
}

.collection-overlay p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-sm);
}

.collection-link {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: white;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.collection-card:hover .collection-link {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
    .collections-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .collection-card.large {
        grid-row: span 1;
    }

    .collection-card.wide {
        grid-column: span 2;
    }
}

@media (max-width: 600px) {
    .page-header {
        padding: 120px var(--space-md) var(--space-md);
    }

    .page-subtitle {
        font-size: 1.8rem;
    }

    .collections-grid {
        grid-template-columns: 1fr;
    }

    .collection-card.large,
    .collection-card.wide {
        grid-column: span 1;
        grid-row: span 1;
    }

    .collection-card {
        min-height: 280px;
    }

    .collection-overlay h2 {
        font-size: 1.5rem;
    }
}

/* Animation */
.collection-card {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.collection-card:nth-child(1) {
    animation-delay: 0.1s;
}

.collection-card:nth-child(2) {
    animation-delay: 0.15s;
}

.collection-card:nth-child(3) {
    animation-delay: 0.2s;
}

.collection-card:nth-child(4) {
    animation-delay: 0.25s;
}

.collection-card:nth-child(5) {
    animation-delay: 0.3s;
}

.collection-card:nth-child(6) {
    animation-delay: 0.35s;
}

.collection-card:nth-child(7) {
    animation-delay: 0.4s;
}