/**
 * Eurekan Theme - Main Stylesheet
 *
 * @package Eurekan
 */

/* ==========================================================================
   Header (Landing Page Style)
   ========================================================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background-color: rgba(250, 250, 249, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    height: var(--header-height);
}

@media (min-width: 1024px) {
    .site-header {
        padding: 16px 48px;
    }
}

.site-branding .site-title {
    font-size: 20px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.site-branding .site-title:hover {
    color: var(--color-accent);
}

.site-logo img {
    height: 64px;
    width: auto;
}

@media (min-width: 1024px) {
    .site-logo img {
        height: 80px;
    }
}

/* Menu Button with Animated Circle Background */
.menu-btn {
    position: relative;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: transparent;
    border: none;
    z-index: 60;
}

.menu-btn::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    background: var(--color-text-primary);
    border-radius: 50%;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-btn:hover::before,
.menu-btn.active::before {
    width: 48px;
    height: 48px;
}

.menu-btn .menu-icon {
    position: relative;
    z-index: 10;
    transition: all 0.3s ease;
    color: var(--color-text-primary);
}

.menu-btn:hover .menu-icon,
.menu-btn.active .menu-icon {
    color: white;
}

.menu-btn .menu-icon span {
    display: block;
    width: 20px;
    height: 2px;
    background: currentColor;
    margin: 4px 0;
    transition: all 0.3s ease;
}

.menu-btn.active .menu-icon span:first-child {
    transform: rotate(45deg) translate(4px, 4px);
}

.menu-btn.active .menu-icon span:last-child {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ==========================================================================
   Full-Screen Menu Overlay
   ========================================================================== */

.menu-overlay {
    position: fixed;
    inset: 0;
    background: var(--color-background);
    z-index: 40;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-overlay.open {
    opacity: 1;
    visibility: visible;
}

.menu-overlay-nav {
    padding: 0 24px;
}

@media (min-width: 1024px) {
    .menu-overlay-nav {
        padding: 0 48px;
    }
}

.menu-overlay-nav .menu-overlay-link {
    display: block;
    font-size: clamp(2rem, 8vw, 4.5rem);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    line-height: 1.2;
    padding: 0.5rem 0;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
    letter-spacing: -0.02em;
}

.menu-overlay.open .menu-overlay-nav .menu-overlay-link {
    opacity: 1;
    transform: translateY(0);
}

.menu-overlay.open .menu-overlay-nav .menu-overlay-link:nth-child(1) { transition-delay: 0.1s; }
.menu-overlay.open .menu-overlay-nav .menu-overlay-link:nth-child(2) { transition-delay: 0.15s; }
.menu-overlay.open .menu-overlay-nav .menu-overlay-link:nth-child(3) { transition-delay: 0.2s; }
.menu-overlay.open .menu-overlay-nav .menu-overlay-link:nth-child(4) { transition-delay: 0.25s; }
.menu-overlay.open .menu-overlay-nav .menu-overlay-link:nth-child(5) { transition-delay: 0.3s; }

.menu-overlay-nav .menu-overlay-link:hover {
    color: var(--color-accent);
}

.menu-overlay-footer {
    position: absolute;
    bottom: 48px;
    left: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

@media (min-width: 1024px) {
    .menu-overlay-footer {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-end;
        left: 48px;
        right: 48px;
    }
}

.menu-overlay-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.menu-overlay-label {
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
}

.menu-overlay-email {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    transition: color 0.3s ease;
}

.menu-overlay-email:hover {
    color: var(--color-accent);
}

.menu-overlay-social {
    display: flex;
    gap: 24px;
}

.menu-overlay-social-link {
    color: var(--color-text-secondary);
    font-size: 14px;
    transition: color 0.3s ease;
}

.menu-overlay-social-link:hover {
    color: var(--color-text-primary);
}

/* Body scroll lock when menu is open */
body.menu-open {
    overflow: hidden;
}

/* ==========================================================================
   Header Actions (CTA + Menu)
   ========================================================================== */

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-cta-btn {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 9999px;
    color: white;
    font-weight: var(--font-weight-medium);
    font-size: 14px;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.header-cta-btn:hover {
    transform: scale(1.05);
    color: white;
}

@media (min-width: 1024px) {
    .header-cta-btn {
        display: inline-flex;
    }
}

/* CTA Gradient Buttons */
.cta-gradient-green {
    background: linear-gradient(135deg, #15803d 0%, #22c55e 100%);
    box-shadow: 0 4px 16px rgba(21, 128, 61, 0.3);
}

.cta-gradient-green:hover {
    box-shadow: 0 6px 24px rgba(21, 128, 61, 0.4);
}

/* ==========================================================================
   Menu Overlay Section Labels
   ========================================================================== */

.menu-section-label {
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-secondary);
    margin-top: 24px;
    margin-bottom: 8px;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.4s ease;
}

.menu-overlay.open .menu-section-label {
    opacity: 1;
    transform: translateY(0);
}

.menu-overlay-link--cta {
    color: var(--color-accent) !important;
}

/* ==========================================================================
   WhatsApp Floating Widget
   ========================================================================== */

.whatsapp-widget {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

/* Message bubble */
.whatsapp-bubble {
    background: white;
    padding: 16px 20px;
    border-radius: 20px 20px 4px 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.08);
    max-width: 260px;
    opacity: 0;
    transform: translateY(10px) scale(0.95);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
    position: relative;
}

.whatsapp-bubble.show {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.whatsapp-bubble-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.whatsapp-bubble-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.whatsapp-bubble-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.whatsapp-bubble-info {
    flex: 1;
    min-width: 0;
}

.whatsapp-bubble-name {
    font-weight: var(--font-weight-semibold);
    font-size: 0.9rem;
    color: var(--color-text-primary);
    line-height: 1.2;
}

.whatsapp-bubble-status {
    font-size: 0.75rem;
    color: #22c55e;
    display: flex;
    align-items: center;
    gap: 4px;
}

.whatsapp-bubble-status::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #22c55e;
    border-radius: 50%;
}

.whatsapp-bubble-message {
    font-size: 0.875rem;
    color: #525252;
    line-height: 1.5;
}

.whatsapp-bubble-time {
    font-size: 0.7rem;
    color: #a3a3a3;
    text-align: right;
    margin-top: 6px;
}

.whatsapp-bubble-close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
    border: none;
    padding: 0;
}

.whatsapp-bubble:hover .whatsapp-bubble-close {
    opacity: 1;
}

.whatsapp-bubble-close svg {
    width: 12px;
    height: 12px;
    color: #737373;
}

/* Main WhatsApp button */
.whatsapp-btn {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.35), 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    background: linear-gradient(135deg, #25D366 0%, #20BD5A 50%, #128C7E 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: whatsapp-entrance 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 1s both;
    text-decoration: none;
}

@keyframes whatsapp-entrance {
    from {
        opacity: 0;
        transform: scale(0) rotate(-180deg);
    }
    to {
        opacity: 1;
        transform: scale(1) rotate(0);
    }
}

.whatsapp-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
    pointer-events: none;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 40px rgba(37, 211, 102, 0.5), 0 4px 12px rgba(0, 0, 0, 0.15);
}

.whatsapp-btn:active {
    transform: scale(0.95);
}

.whatsapp-btn svg {
    width: 32px;
    height: 32px;
    color: white;
    position: relative;
    z-index: 2;
}

/* Pulse rings */
.whatsapp-pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    pointer-events: none;
}

.whatsapp-pulse::before,
.whatsapp-pulse::after {
    content: '';
    position: absolute;
    inset: -6px;
    border: 2px solid #25D366;
    border-radius: 50%;
    animation: whatsapp-pulse 2.5s ease-out infinite;
}

.whatsapp-pulse::after {
    animation-delay: 1.25s;
}

@keyframes whatsapp-pulse {
    0% { transform: scale(0.9); opacity: 0.8; }
    100% { transform: scale(1.5); opacity: 0; }
}

/* Notification badge */
.whatsapp-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 22px;
    height: 22px;
    background: #ef4444;
    border: 3px solid white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: white;
    z-index: 10;
    animation: badge-bounce 2s ease-in-out infinite;
}

@keyframes badge-bounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
    .whatsapp-btn {
        animation: none;
    }
    .whatsapp-pulse::before,
    .whatsapp-pulse::after,
    .whatsapp-badge {
        animation: none;
    }
}

@media (max-width: 640px) {
    .whatsapp-widget {
        bottom: 20px;
        right: 20px;
    }
    .whatsapp-btn {
        width: 56px;
        height: 56px;
    }
    .whatsapp-btn svg {
        width: 28px;
        height: 28px;
    }
    .whatsapp-bubble {
        max-width: 240px;
    }
    .whatsapp-badge {
        width: 20px;
        height: 20px;
        font-size: 0.65rem;
    }
}

/* ==========================================================================
   Main Content Spacing
   ========================================================================== */

.site-main {
    padding-top: var(--header-height);
}

/* ==========================================================================
   Blog Page
   ========================================================================== */

.blog-page {
    padding: var(--spacing-3xl) 0 var(--spacing-5xl);
}

.blog-header {
    margin-bottom: var(--spacing-2xl);
}

.blog-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: var(--font-weight-medium);
    letter-spacing: -0.025em;
    color: var(--color-text-primary);
}

.archive-description {
    margin-top: var(--spacing-md);
    font-size: 18px;
    color: var(--color-text-secondary);
    max-width: 600px;
}

/* Filter Bar */
.filter-bar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
    .filter-bar {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.category-filter {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.category-filter::-webkit-scrollbar {
    display: none;
}

.category-list {
    display: flex;
    gap: var(--spacing-md);
    white-space: nowrap;
}

.category-link {
    font-size: 14px;
    font-weight: var(--font-weight-regular);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.category-link:hover {
    color: var(--color-text-secondary);
}

.category-link.active {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

/* Search Bar */
.search-bar {
    width: 100%;
}

@media (min-width: 768px) {
    .search-bar {
        width: 280px;
    }

    .search-bar-full {
        width: 100%;
        max-width: 400px;
    }
}

.search-form {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    width: 100%;
    padding: 12px 48px 12px 24px;
    font-size: 14px;
    font-weight: var(--font-weight-light);
    color: var(--color-text-primary);
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.search-input:focus {
    border-color: var(--color-text-muted);
    box-shadow: 0 0 0 3px rgba(23, 23, 23, 0.05);
}

.search-submit {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.search-submit:hover {
    color: var(--color-text-primary);
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

@media (min-width: 640px) {
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .articles-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-2xl) var(--spacing-xl);
    }
}

/* Article Card */
.article-card {
    display: block;
}

.article-card-link {
    display: block;
}

.article-card-thumbnail {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    aspect-ratio: 4 / 3;
    background-color: var(--color-border);
}

.article-card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.article-card-thumbnail-placeholder {
    background: linear-gradient(135deg, var(--color-border) 0%, var(--color-card-bg) 100%);
}

.article-card-content {
    padding-top: var(--spacing-md);
}

.article-card-category {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 12px;
}

.article-card-title {
    font-size: clamp(18px, 2vw, 22px);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    line-height: 1.35;
    transition: color var(--transition-fast);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card:hover .article-card-title {
    color: var(--color-accent);
}

.article-card-excerpt {
    margin-top: var(--spacing-xs);
    font-size: 15px;
    font-weight: var(--font-weight-light);
    color: var(--color-text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-date {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 14px;
    color: var(--color-text-muted);
}

/* No Results */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-lg);
}

.no-results h2 {
    font-size: 24px;
    margin-bottom: var(--spacing-md);
}

.no-results p {
    color: var(--color-text-secondary);
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.pagination {
    margin-top: var(--spacing-3xl);
}

.pagination-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
}

.pagination-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 14px;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.pagination-link:hover:not(.disabled) {
    color: var(--color-text-primary);
}

.pagination-link.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-numbers {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.pagination-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 var(--spacing-sm);
    font-size: 14px;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.pagination-number:hover:not(.current) {
    color: var(--color-text-primary);
    background-color: var(--color-border);
}

.pagination-number.current {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
}

.pagination-ellipsis {
    color: var(--color-text-muted);
    padding: 0 var(--spacing-xs);
}

/* ==========================================================================
   Single Article
   ========================================================================== */

.single-article {
    padding-bottom: var(--spacing-5xl);
}

.article-header {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    text-align: center;
}

.article-header-inner {
    max-width: var(--max-width-article);
    margin: 0 auto;
    padding: 0 var(--padding-horizontal);
}

.article-categories {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.article-title {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: var(--font-weight-medium);
    letter-spacing: -0.025em;
    line-height: 1.15;
    color: var(--color-text-primary);
}

.article-excerpt {
    margin-top: var(--spacing-md);
    font-size: clamp(18px, 2.5vw, 24px);
    font-weight: var(--font-weight-light);
    color: var(--color-text-secondary);
    line-height: 1.5;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.article-meta {
    margin-top: var(--spacing-lg);
    font-size: 14px;
    color: var(--color-text-muted);
}

.meta-separator {
    margin: 0 var(--spacing-xs);
}

/* Featured Image */
.article-featured-image {
    max-width: var(--max-width-featured);
    margin: 0 auto var(--spacing-3xl);
    padding: 0 var(--padding-horizontal);
}

.article-featured-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

/* Article Content */
.article-content {
    max-width: var(--max-width-content);
    margin: 0 auto;
    padding: 0 var(--padding-horizontal);
}

.article-content p {
    font-size: clamp(17px, 2vw, 19px);
    font-weight: var(--font-weight-light);
    line-height: 1.8;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
}

.article-content h2 {
    font-size: clamp(24px, 3vw, 32px);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

.article-content h3 {
    font-size: clamp(20px, 2.5vw, 24px);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
}

.article-content a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.article-content a:hover {
    text-decoration: underline;
}

.article-content blockquote {
    margin: var(--spacing-xl) 0;
    padding-left: var(--spacing-lg);
    border-left: 3px solid var(--color-accent);
    font-style: italic;
    color: var(--color-text-secondary);
}

.article-content blockquote p {
    color: inherit;
}

.article-content ul,
.article-content ol {
    margin: var(--spacing-lg) 0;
    padding-left: var(--spacing-lg);
}

.article-content li {
    font-size: clamp(17px, 2vw, 19px);
    font-weight: var(--font-weight-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.article-content ul li {
    list-style-type: disc;
}

.article-content ol li {
    list-style-type: decimal;
}

.article-content img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: var(--spacing-xl) 0;
}

.article-content figure {
    margin: var(--spacing-xl) 0;
}

.article-content figcaption {
    margin-top: var(--spacing-sm);
    font-size: 14px;
    color: var(--color-text-muted);
    text-align: center;
}

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

.article-content code {
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 14px;
    color: #e5e5e5;
}

.article-content p code {
    padding: 2px 6px;
    background-color: var(--color-border);
    border-radius: 4px;
    color: var(--color-text-primary);
}

/* Article Footer */
.article-footer {
    max-width: var(--max-width-content);
    margin: var(--spacing-3xl) auto 0;
    padding: var(--spacing-2xl) var(--padding-horizontal) 0;
    border-top: 1px solid var(--color-border);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.tags-label {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-right: var(--spacing-xs);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.article-share {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 14px;
    color: var(--color-text-muted);
}

.share-label {
    margin-right: var(--spacing-xs);
}

.article-share a,
.article-share button {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.article-share a:hover,
.article-share button:hover {
    color: var(--color-text-primary);
}

.copy-link-btn {
    font-size: 14px;
}

.share-separator {
    color: var(--color-text-muted);
}

/* Related Posts */
.related-posts {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-card-bg);
    margin-top: var(--spacing-3xl);
}

.related-posts-title {
    font-size: clamp(24px, 3vw, 28px);
    margin-bottom: var(--spacing-xl);
}

/* ==========================================================================
   Static Page
   ========================================================================== */

.single-page {
    padding-bottom: var(--spacing-5xl);
}

.page-header {
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.page-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: var(--font-weight-medium);
    letter-spacing: -0.025em;
}

.page-content {
    max-width: var(--max-width-content);
    margin: 0 auto;
    padding: 0 var(--padding-horizontal);
}

.container-narrow {
    max-width: var(--max-width-content);
}

.page-content p,
.page-content li {
    font-size: clamp(17px, 2vw, 19px);
    font-weight: var(--font-weight-light);
    line-height: 1.8;
}

/* ==========================================================================
   Search Page
   ========================================================================== */

.search-page .search-term {
    color: var(--color-accent);
}

.search-count {
    margin-top: var(--spacing-sm);
    font-size: 16px;
    color: var(--color-text-secondary);
}

/* ==========================================================================
   404 Page
   ========================================================================== */

.error-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--header-height) - 200px);
    padding: var(--spacing-4xl) 0;
}

.error-content {
    text-align: center;
    max-width: 500px;
}

.error-code {
    display: block;
    font-size: clamp(80px, 15vw, 120px);
    font-weight: var(--font-weight-semibold);
    color: var(--color-border);
    line-height: 1;
    letter-spacing: -0.05em;
}

.error-title {
    margin-top: var(--spacing-lg);
    font-size: clamp(28px, 4vw, 40px);
}

.error-message {
    margin-top: var(--spacing-md);
    font-size: 18px;
    color: var(--color-text-secondary);
}

.error-link {
    display: inline-block;
    margin-top: var(--spacing-xl);
    padding: 14px 28px;
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: white;
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast);
}

.error-link:hover {
    background-color: var(--color-accent-hover);
}

/* ==========================================================================
   Footer (Landing Page Style)
   ========================================================================== */

.site-footer {
    background-color: #1a2e1a;
    padding: 64px 24px;
    color: #a3a3a3;
}

@media (min-width: 1024px) {
    .site-footer {
        padding: 96px 48px;
    }
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-top {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

@media (min-width: 1024px) {
    .footer-top {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.footer-site-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: white;
    letter-spacing: -0.025em;
}

.footer-logo img {
    max-height: 40px;
    filter: brightness(0) invert(1);
}

.footer-tagline {
    font-size: 1rem;
    color: #737373;
    max-width: 320px;
    line-height: 1.6;
    margin: 0;
}

.footer-nav-columns {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
}

@media (min-width: 1024px) {
    .footer-nav-columns {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer-nav-column {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-nav-title {
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #525252;
    margin: 0;
}

.footer-nav-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav-links a,
.footer-nav-links .footer-menu li a {
    font-size: 1rem;
    color: #d4d4d4;
    transition: color 0.2s ease;
}

.footer-nav-links a:hover,
.footer-nav-links .footer-menu li a:hover {
    color: white;
}

.footer-nav-links .footer-menu {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav-links .footer-menu li a {
    font-size: 1rem;
}

/* Footer Region Tags */
.footer-region-tags {
    display: flex;
    gap: 16px;
}

.footer-region-tag {
    padding: 4px 12px;
    font-size: 12px;
    border-radius: 9999px;
    background-color: rgba(21, 128, 61, 0.15);
    color: #86efac;
}

/* Footer Book Link */
.footer-book-link {
    color: #4ade80 !important;
}

.footer-book-link:hover {
    color: #86efac !important;
}

.footer-bottom {
    margin-top: 64px;
    padding-top: 32px;
    border-top: 1px solid rgba(21, 128, 61, 0.2);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

@media (min-width: 1024px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.copyright {
    font-size: 14px;
    color: #525252;
    margin: 0;
}

.footer-legal-links {
    display: flex;
    gap: 24px;
}

.footer-legal-links a {
    font-size: 14px;
    color: #525252;
    transition: color 0.2s ease;
}

.footer-legal-links a:hover {
    color: #a3a3a3;
}

/* ==========================================================================
   WordPress Core Overrides
   ========================================================================== */

.wp-block-image {
    margin: var(--spacing-xl) 0;
}

.wp-block-image img {
    border-radius: var(--radius-md);
}

.wp-block-image figcaption {
    margin-top: var(--spacing-sm);
    font-size: 14px;
    color: var(--color-text-muted);
    text-align: center;
}

.alignwide {
    max-width: calc(100% + var(--spacing-2xl));
    margin-left: calc(-1 * var(--spacing-lg));
    margin-right: calc(-1 * var(--spacing-lg));
}

.alignfull {
    max-width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    border-radius: 0;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.text-center {
    text-align: center;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-text-primary);
    color: white;
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-sm);
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--spacing-md);
}

/* Loading State */
.is-loading {
    opacity: 0.5;
    pointer-events: none;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn var(--transition-normal) ease forwards;
}