/* Page: Guides (page-guides.php) */

/* ========== PAGE HERO ========== */
.page-hero {
    padding: 140px 0 var(--space-2xl);
    background: var(--bg-muted);
    border-bottom: 1px solid var(--border);
}
.page-hero__title {
    font-family: var(--font-display);
    font-size: clamp(40px, 6vw, 56px);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}
.page-hero__subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
}

/* ========== FILTER BAR ========== */
.filter-bar {
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
    position: sticky;
    top: 72px;
    z-index: 50;
}
.filter-bar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}
.filter-tabs {
    display: flex;
    gap: var(--space-sm);
}
.filter-tab {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-fast);
}
.filter-tab:hover {
    background: var(--bg-muted);
    color: var(--text-primary);
}
.filter-tab.active {
    background: var(--accent-dim);
    color: var(--text-primary);
    border-color: var(--accent);
}
.filter-search {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px 16px;
    background: var(--bg-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    min-width: 280px;
}
.filter-search__icon {
    color: var(--text-tertiary);
    font-size: 14px;
}
.filter-search input {
    flex: 1;
    border: none;
    background: none;
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--text-primary);
    outline: none;
}
.filter-search input::placeholder {
    color: var(--text-tertiary);
}

/* ========== GUIDES CONTENT ========== */
.guides-content {
    padding: var(--space-2xl) 0;
}
.guides-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

/* ========== FEATURED ARTICLE ========== */
.featured-article {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-lg);
    transition: all var(--transition-base);
}
.featured-article:hover {
    box-shadow: var(--shadow-card);
    transform: translateY(-4px);
}
.featured-article__image {
    width: 100%;
    aspect-ratio: 16 / 9;
    align-self: start;
    background: linear-gradient(135deg, var(--bg-muted) 0%, var(--accent-dim) 100%);
    position: relative;
    overflow: hidden;
}
.featured-article__image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.featured-article__image--placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-dim) 0%, transparent 60%);
}
.featured-article__badge {
    position: absolute;
    top: var(--space-lg);
    left: var(--space-lg);
    padding: 6px 12px;
    background: var(--accent);
    color: var(--text-primary);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    z-index: 1;
}
.featured-article__content {
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.featured-article__category {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: var(--space-sm);
}
.featured-article__title {
    font-family: var(--font-display);
    font-size: 32px;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}
.featured-article__excerpt {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}
.featured-article__meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 13px;
    color: var(--text-tertiary);
}
.featured-article__author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.featured-article__author__avatar {
    width: 32px;
    height: 32px;
    background: var(--bg-muted);
    border-radius: 50%;
}

/* ========== ARTICLE CARD ========== */
.article-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
}
.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}
.article-card__image {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, var(--bg-muted) 0%, var(--bg-primary) 100%);
    position: relative;
    overflow: hidden;
}
.article-card__image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.article-card__image--placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-dim) 0%, transparent 100%);
}
.article-card__content {
    padding: var(--space-lg);
}
.article-card__category {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: var(--space-sm);
}
.article-card__title {
    font-size: 17px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--space-sm);
}
.article-card__excerpt {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.article-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 13px;
    color: var(--text-tertiary);
}

/* ========== SECTION DIVIDER ========== */
.section-divider {
    grid-column: 1 / -1;
    padding: var(--space-xl) 0 var(--space-md);
    border-bottom: 1px solid var(--border);
    margin-bottom: var(--space-md);
}
.section-divider__title {
    font-family: var(--font-display);
    font-size: 28px;
}
.section-divider__subtitle {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-top: var(--space-xs);
}

/* ========== NEWSLETTER SECTION ========== */
.newsletter-section {
    grid-column: 1 / -1;
    background: var(--text-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
    margin-top: var(--space-lg);
    position: relative;
    overflow: hidden;
}
.newsletter-section::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    opacity: 0.3;
}
.newsletter-section__title {
    font-family: var(--font-display);
    font-size: 32px;
    color: var(--bg-primary);
    margin-bottom: var(--space-sm);
}
.newsletter-section__subtitle {
    font-size: 15px;
    color: rgba(255,255,255,0.6);
    margin-bottom: var(--space-lg);
}
.newsletter-form {
    display: flex;
    gap: var(--space-sm);
    max-width: 440px;
    margin: 0 auto;
}
.newsletter-form input {
    flex: 1;
    padding: 14px 18px;
    font-family: var(--font-body);
    font-size: 14px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.05);
    color: var(--bg-primary);
    outline: none;
}
.newsletter-form input::placeholder {
    color: rgba(255,255,255,0.4);
}
.newsletter-form input:focus {
    border-color: var(--accent);
}
.newsletter-form button {
    padding: 14px 24px;
    background: var(--accent);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.newsletter-form button:hover {
    box-shadow: 0 0 30px var(--accent-glow);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .guides-grid { grid-template-columns: repeat(2, 1fr); }
    .featured-article { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .guides-grid { grid-template-columns: 1fr; }
    .filter-bar__inner { flex-direction: column; align-items: stretch; }
    .filter-tabs { overflow-x: auto; padding-bottom: var(--space-sm); }
    .filter-search { min-width: auto; }
    .newsletter-form { flex-direction: column; }
}