/* ============================================
   FEATURES — Categories & Guide Pages
   ============================================ */

/* === BREADCRUMB === */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.breadcrumb a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--color-gold-primary);
}

.breadcrumb-sep {
    color: var(--color-text-muted);
    opacity: 0.5;
}

/* === FEATURES GRID (Categories) === */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-2xl) var(--space-xl);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--border-radius-md);
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-gold-primary), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    border-color: rgba(201, 179, 137, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3), 0 0 16px rgba(201, 179, 137, 0.08);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.feature-card-icon img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.feature-card-icon-default {
    font-size: 2.5rem;
    color: var(--color-gold-primary);
    opacity: 0.7;
}

.feature-card-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    color: var(--color-text-heading);
    margin-bottom: var(--space-sm);
}

.feature-card-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    line-height: var(--line-height-relaxed);
}

.feature-card-count {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.feature-card-arrow {
    position: absolute;
    bottom: var(--space-lg);
    right: var(--space-lg);
    font-size: var(--font-size-lg);
    color: var(--color-gold-dark);
    opacity: 0;
    transform: translateX(-8px);
    transition: var(--transition-base);
}

.feature-card:hover .feature-card-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* === GUIDES GRID (Guide Cards) === */
.guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.guide-card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

.guide-card:hover {
    border-color: rgba(201, 179, 137, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.guide-card-img {
    height: 180px;
    overflow: hidden;
}

.guide-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.guide-card:hover .guide-card-img img {
    transform: scale(1.05);
}

.guide-card-img-placeholder {
    width: 100%;
    height: 100%;
    background: var(--color-bg-tertiary);
}

.guide-card-body {
    padding: var(--space-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.guide-card-meta {
    display: flex;
    gap: var(--space-md);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.guide-card-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-md);
    color: var(--color-text-heading);
    margin-bottom: var(--space-sm);
    line-height: var(--line-height-normal);
}

.guide-card-excerpt {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    flex: 1;
}

/* === GUIDE ARTICLE LAYOUT === */
.guide-layout {
    display: flex;
    gap: var(--space-2xl);
    align-items: flex-start;
}

/* === GUIDE SIDEBAR === */
.guide-sidebar {
    width: 260px;
    flex-shrink: 0;
    position: sticky;
    top: calc(var(--navbar-height) + var(--space-xl));
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--border-radius-md);
    padding: var(--space-lg);
}

.guide-sidebar-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    color: var(--color-gold-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid rgba(201, 179, 137, 0.15);
}

.guide-sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.guide-sidebar-link {
    display: block;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
    line-height: var(--line-height-normal);
}

.guide-sidebar-link:hover {
    color: var(--color-gold-primary);
    background: rgba(201, 179, 137, 0.06);
}

.guide-sidebar-link.active {
    color: var(--color-gold-primary);
    background: rgba(201, 179, 137, 0.1);
    font-weight: var(--font-weight-medium);
}

/* === GUIDE ARTICLE === */
.guide-article {
    flex: 1;
    min-width: 0;
    max-width: 800px;
}

.guide-article-full {
    max-width: 800px;
}

.guide-article-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.guide-article-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-lg);
}

.guide-article-thumbnail {
    margin-bottom: var(--space-xl);
}

.guide-article-thumbnail img {
    width: 100%;
    border-radius: var(--border-radius-md);
}

.guide-article-content {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-base);
}

.guide-article-content h2,
.guide-article-content h3,
.guide-article-content h4 {
    color: var(--color-text-heading);
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
}

.guide-article-content p {
    margin-bottom: var(--space-md);
}

.guide-article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-sm);
    margin: var(--space-lg) 0;
}

.guide-article-content ul,
.guide-article-content ol {
    padding-left: var(--space-xl);
    margin-bottom: var(--space-md);
}

.guide-article-content li {
    margin-bottom: var(--space-sm);
}

.guide-article-content code {
    background: var(--color-bg-tertiary);
    padding: 0.15em 0.4em;
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 0.9em;
}

.guide-article-content pre {
    background: var(--color-bg-tertiary);
    padding: var(--space-lg);
    border-radius: var(--border-radius-md);
    overflow-x: auto;
    margin: var(--space-lg) 0;
}

.guide-article-content blockquote {
    border-left: 3px solid var(--color-gold-dark);
    padding-left: var(--space-lg);
    margin: var(--space-lg) 0;
    color: var(--color-text-muted);
    font-style: italic;
}

.guide-article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-lg) 0;
}

.guide-article-content th,
.guide-article-content td {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border-primary);
    text-align: left;
}

.guide-article-content th {
    background: var(--color-bg-tertiary);
    color: var(--color-gold-primary);
}

/* === RESPONSIVE === */
@media (max-width: 992px) {
    .guide-layout {
        flex-direction: column;
    }

    .guide-sidebar {
        width: 100%;
        position: static;
        order: -1;
    }
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

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

    .guide-article-title {
        font-size: var(--font-size-2xl);
    }
}