/* Catalog Specific Styles (extends styles.css) */

/* Catalog Header & Search */
.catalog-header {
    padding: 80px 0 40px;
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--white) 100%);
    text-align: center;
}

.catalog-header-container h1 {
    font-size: 3rem;
    margin-bottom: 16px;
}

.catalog-header-container p {
    font-size: 1.15rem;
    color: var(--text-gray);
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Elegant Search Bar */
.search-bar-wrapper {
    max-width: 700px;
    margin: 0 auto 48px;
}

.search-bar {
    display: flex;
    align-items: center;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 8px 8px 8px 24px;
    box-shadow: 0 10px 30px rgba(11, 46, 89, 0.08);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.search-bar:focus-within {
    border-color: var(--turquoise);
    box-shadow: 0 15px 40px rgba(0, 191, 166, 0.15);
}

.search-icon {
    font-size: 24px;
    color: var(--text-light);
}

.search-input {
    flex-grow: 1;
    border: none;
    outline: none;
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 1.05rem;
    color: var(--text-dark);
}

.search-input::placeholder {
    color: var(--text-light);
}

.search-btn {
    padding: 12px 32px;
    border-radius: var(--radius-md);
    font-size: 1rem;
}

/* Category Tabs */
.catalog-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.tab-btn {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    color: var(--text-gray);
    padding: 10px 24px;
    border-radius: 30px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover {
    border-color: var(--turquoise);
    color: var(--turquoise-dark);
}

.tab-btn.active {
    background: var(--navy);
    border-color: var(--navy);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(11, 46, 89, 0.2);
}

/* Topic Categories Grid */
.topic-categories-section {
    padding: 60px 0;
    background: var(--white);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--navy);
    margin-bottom: 24px;
    font-weight: 700;
}

.topic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.topic-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 24px 16px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    gap: 12px;
}

.topic-card:hover {
    background: var(--white);
    border-color: var(--turquoise);
    box-shadow: var(--shadow-sm);
    transform: translateY(-4px);
}

.topic-icon {
    width: 50px;
    height: 50px;
    background: var(--mint-light);
    color: var(--turquoise-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 24px;
    transition: var(--transition);
}

.topic-card:hover .topic-icon {
    background: var(--turquoise);
    color: var(--white);
}

.topic-card span {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-dark);
    line-height: 1.3;
}

/* Catalog Sections Base */
.catalog-section {
    padding: 80px 0;
}

.alt-bg {
    background: var(--bg-light);
}

.catalog-section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.catalog-section-header h2 {
    font-size: 2rem;
    margin-bottom: 0;
}

.catalog-section-header .section-desc {
    font-size: 1.05rem;
    color: var(--text-gray);
    margin-top: 8px;
    margin-bottom: 0;
}

.view-all-link {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--turquoise-dark);
    font-size: 0.95rem;
}

.view-all-link:hover {
    color: var(--navy);
    gap: 12px;
}

/* Grid Adjustments */
.catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

/* Thumbnail specific to ebook */
.thumb-ebook {
    background: linear-gradient(135deg, var(--navy) 0%, var(--turquoise) 100%);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.price-stack {
    display: flex;
    flex-direction: column;
}

.old-price-small {
    font-size: 0.8rem;
    text-decoration: line-through;
    color: var(--text-light);
    line-height: 1;
    margin-bottom: 2px;
}

/* New Resources Grid */
.resources-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.resource-card-modern {
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: var(--transition);
}

.resource-card-modern:hover {
    border-color: var(--turquoise);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.resource-card-modern .resource-icon {
    width: 48px;
    height: 48px;
    background: var(--mint-light);
    color: var(--turquoise-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 24px;
}

.resource-card-modern .resource-info h4 {
    color: var(--text-dark);
    font-size: 1.05rem;
    margin-bottom: 4px;
    line-height: 1.4;
}

.resource-card-modern .resource-type {
    font-size: 0.85rem;
    color: var(--text-light);
}

.resource-card-modern .resource-price {
    margin-top: auto;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--navy);
    font-size: 1.15rem;
}

/* Premium Combos Extension */
.premium-combo {
    position: relative;
    border-top: 4px solid var(--turquoise);
}

.discount-badge-absolute {
    position: absolute;
    top: 24px;
    right: 24px;
    background: var(--navy);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 20px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    box-shadow: var(--shadow-sm);
}

/* Responsive Overrides */
@media (max-width: 1024px) {
    .catalog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .resources-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .catalog-section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
}

@media (max-width: 768px) {
    .catalog-header-container h1 {
        font-size: 2.2rem;
    }
    
    .search-bar {
        padding: 8px;
    }
    
    .search-input {
        font-size: 0.95rem;
        padding: 8px;
    }
    
    .search-btn {
        padding: 10px 20px;
    }
    
    .catalog-grid, .resources-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .topic-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
/* PREMIUM COURSE CARDS */

.modern-card {
    background: rgba(255,255,255,0.88);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 28px;
    overflow: hidden;
    transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow:
        0 10px 30px rgba(11,46,89,0.06),
        0 1px 2px rgba(11,46,89,0.04);
    position: relative;
}

.modern-card:hover {
    transform: translateY(-12px);
    box-shadow:
        0 30px 60px rgba(11,46,89,0.12),
        0 10px 25px rgba(0,191,166,0.10);
    border-color: rgba(0,191,166,0.18);
}

.card-thumb {
    height: 240px;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.thumb-1 {
    background:
        radial-gradient(circle at top left, rgba(255,255,255,0.18), transparent 40%),
        linear-gradient(135deg, #0B2E59 0%, #123D74 100%);
}

.thumb-2 {
    background:
        radial-gradient(circle at top left, rgba(255,255,255,0.18), transparent 40%),
        linear-gradient(135deg, #00BFA6 0%, #009D8B 100%);
}

.thumb-ebook {
    background:
        radial-gradient(circle at top left, rgba(255,255,255,0.18), transparent 40%),
        linear-gradient(135deg, #0B2E59 0%, #00BFA6 100%);
}

.thumb-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 72px;
    color: rgba(255,255,255,0.16);
}

.tag {
    position: absolute;
    top: 18px;
    left: 18px;
    background: rgba(255,255,255,0.95);
    color: var(--navy);
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.card-body {
    padding: 32px 28px 20px;
}

.card-body h3 {
    font-size: 1.45rem;
    line-height: 1.2;
    margin-bottom: 14px;
    color: var(--navy);
}

.card-body p {
    color: var(--text-gray);
    line-height: 1.7;
    font-size: 0.98rem;
    margin-bottom: 22px;
}

.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 0.85rem;
    color: var(--text-light);
}

.card-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-footer {
    padding: 0 28px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--navy);
    line-height: 1;
}

.old-price-small {
    margin-bottom: 6px;
}

.btn-outline.btn-sm {
    padding: 12px 20px;
    border-radius: 14px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.btn-outline.btn-sm:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,191,166,0.18);
}
.modern-card {
    transition: all 0.35s ease;
}

.modern-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.12);
}

.card-thumb {
    transition: transform 0.5s ease;
    background-size: cover;
    background-position: center;
}

.modern-card:hover .card-thumb {
    transform: scale(1.03);
}
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
}
.nav-container {
    min-height: 78px;
}