/*
Theme Name: eSIM-X Developer
Theme URI: https://esimx.hk
Author: eSIM-X Team
Author URI: https://esimx.hk
Description: A modern, SEO-friendly, responsive WordPress theme for eSIM-X travel blog. Features card-based layouts, dark mode, and optimized typography for travel eSIM guides.
Version: 1.1.0
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: esimx-developer
Tags: blog, travel, esim, responsive, dark-mode, card-layout, seo-friendly
*/

/* ========================================
   CSS Custom Properties (Design Tokens)
   ======================================== */
:root {
    /* Brand Colors */
    --color-primary: #2563eb;
    --color-primary-light: #3b82f6;
    --color-primary-dark: #1d4ed8;
    --color-primary-50: #eff6ff;
    --color-primary-100: #dbeafe;
    --color-primary-200: #bfdbfe;
    --color-secondary: #10b981;
    --color-secondary-light: #34d399;
    --color-secondary-dark: #059669;

    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    --color-black: #000000;

    /* Semantic Colors */
    --color-bg: var(--color-white);
    --color-bg-alt: var(--color-gray-50);
    --color-bg-card: var(--color-white);
    --color-text: var(--color-gray-900);
    --color-text-secondary: var(--color-gray-600);
    --color-text-muted: var(--color-gray-400);
    --color-border: var(--color-gray-200);
    --color-shadow: rgba(0, 0, 0, 0.08);
    --color-shadow-lg: rgba(0, 0, 0, 0.12);

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-mono: 'SF Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* Layout */
    --max-width: 1280px;
    --content-width: 800px;
    --sidebar-width: 320px;
    --header-height: 72px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Dark Mode */
[data-theme="dark"] {
    --color-bg: #0f172a;
    --color-bg-alt: #1e293b;
    --color-bg-card: #1e293b;
    --color-text: #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --color-border: #334155;
    --color-shadow: rgba(0, 0, 0, 0.3);
    --color-shadow-lg: rgba(0, 0, 0, 0.4);
    --color-primary-50: #172554;
    --color-primary-100: #1e3a5f;
    --color-primary-200: #1e40af;
}

/* ========================================
   Reset & Base
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

/* ========================================
   Utilities
   ======================================== */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge--primary {
    background-color: var(--color-primary-100);
    color: var(--color-primary-dark);
}

[data-theme="dark"] .badge--primary {
    background-color: var(--color-primary-50);
    color: var(--color-primary-light);
}

.badge--secondary {
    background-color: #d1fae5;
    color: var(--color-secondary-dark);
}

[data-theme="dark"] .badge--secondary {
    background-color: #064e3b;
    color: var(--color-secondary-light);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    line-height: 1.5;
    white-space: nowrap;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn--secondary {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.btn--secondary:hover {
    background-color: var(--color-secondary-dark);
    color: var(--color-white);
    transform: translateY(-1px);
}

.btn--outline {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    background: transparent;
}

.btn--outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn--lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-base);
    border-radius: var(--border-radius);
}

.btn--sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-xs);
}

/* ========================================
   Header
   ======================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background-color: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] .site-header {
    background-color: rgba(15, 23, 42, 0.9);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: var(--space-4);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-text);
    flex-shrink: 0;
}

.site-logo:hover {
    color: var(--color-primary);
}

.site-logo img {
    height: 36px;
    width: auto;
}

.site-logo .logo-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.main-nav {
    display: none;
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.main-nav a {
    display: block;
    padding: var(--space-2) var(--space-4);
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.main-nav a:hover,
.main-nav .current-menu-item > a,
.main-nav .current_page_item > a {
    color: var(--color-primary);
    background-color: var(--color-primary-50);
}

.main-nav .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    box-shadow: 0 8px 24px var(--color-shadow-lg);
    padding: var(--space-2);
    min-width: 200px;
    flex-direction: column;
}

.main-nav li {
    position: relative;
}

.main-nav li:hover > .sub-menu {
    display: flex;
}

/* Header actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.header-search-toggle,
.theme-toggle,
.menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.header-search-toggle:hover,
.theme-toggle:hover,
.menu-toggle:hover {
    background-color: var(--color-bg-alt);
    color: var(--color-text);
}

.header-search-toggle svg,
.theme-toggle svg,
.menu-toggle svg {
    width: 20px;
    height: 20px;
}

.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* Mobile menu */
.menu-toggle {
    display: flex;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-bg);
    z-index: 999;
    padding: var(--space-4);
    overflow-y: auto;
}

.mobile-menu.is-active {
    display: block;
}

.mobile-menu a {
    display: block;
    padding: var(--space-3) var(--space-4);
    color: var(--color-text);
    font-size: var(--font-size-lg);
    font-weight: 500;
    border-bottom: 1px solid var(--color-border);
}

.mobile-menu a:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-50);
}

/* Header search */
.header-search-form {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    padding: var(--space-4);
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 4px 12px var(--color-shadow);
    z-index: 998;
}

.header-search-form.is-active {
    display: block;
}

.header-search-form .search-field {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    display: block;
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    background: var(--color-bg-alt);
    font-size: var(--font-size-lg);
    transition: border-color var(--transition-fast);
    outline: none;
}

.header-search-form .search-field:focus {
    border-color: var(--color-primary);
}

/* Language switcher placeholder */
.esimx-lang-switcher-slot {
    display: flex;
    align-items: center;
}

.lang-switcher {
    position: relative;
}

.lang-switcher__current {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    border: 1px solid var(--color-border);
}

.lang-switcher__current:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ========================================
   Main Layout
   ======================================== */
.site-main {
    min-height: calc(100vh - var(--header-height) - 300px);
}

.layout-with-sidebar {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding: var(--space-8) 0;
}

.content-area {
    min-width: 0;
}

/* ========================================
   Sidebar
   ======================================== */
.sidebar {
    display: none;
}

.sidebar .widget {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.sidebar .widget-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--color-primary);
}

.sidebar .widget ul li {
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border);
}

.sidebar .widget ul li:last-child {
    border-bottom: none;
}

.sidebar .widget ul li a {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.sidebar .widget ul li a:hover {
    color: var(--color-primary);
}

/* Tag cloud */
.tagcloud a {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    margin: var(--space-1);
    font-size: var(--font-size-xs) !important;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 9999px;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.tagcloud a:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* ========================================
   Article Card
   ======================================== */
.posts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

.article-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-base);
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px var(--color-shadow-lg);
    border-color: var(--color-primary-200);
}

.article-card__image {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-bg-alt);
    display: block;
}

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

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

.article-card__image .category-badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
}

.article-card__body {
    padding: var(--space-5);
}

.article-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-3);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.article-card__meta svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.article-card__meta span {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

.article-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: var(--space-3);
}

.article-card__title a {
    color: var(--color-text);
}

.article-card__title a:hover {
    color: var(--color-primary);
}

.article-card__excerpt {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--space-4);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.article-card__read-more {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

.article-card__read-more:hover {
    gap: var(--space-2);
}

.article-card__read-more svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.article-card:hover .article-card__read-more svg {
    transform: translateX(4px);
}

/* No thumbnail placeholder */
.article-card__image--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-50), var(--color-primary-100));
}

[data-theme="dark"] .article-card__image--placeholder {
    background: linear-gradient(135deg, #172554, #1e3a5f);
}

.article-card__image--placeholder svg {
    width: 48px;
    height: 48px;
    color: var(--color-primary-200);
}

/* ========================================
   Pagination
   ======================================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-8) 0;
}

.pagination .nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.pagination .page-numbers:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pagination .page-numbers.current {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* ========================================
   Single Post
   ======================================== */
.single-post-header {
    padding: var(--space-8) 0 var(--space-6);
}

.single-post-header .post-category {
    margin-bottom: var(--space-3);
}

.single-post-header .post-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: var(--space-4);
}

.single-post-header .post-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-4);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.single-post-header .post-meta span {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

.single-post-header .post-meta svg {
    width: 16px;
    height: 16px;
}

.single-post-featured-image {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-8);
    aspect-ratio: 21 / 9;
}

.single-post-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Post Content (Typography) */
.post-content {
    max-width: var(--content-width);
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-text);
}

.post-content > * + * {
    margin-top: 1.5em;
}

.post-content h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-top: 2.5em;
    margin-bottom: 0.5em;
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--color-border);
    scroll-margin-top: calc(var(--header-height) + 24px);
}

.post-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-top: 2em;
    margin-bottom: 0.5em;
    scroll-margin-top: calc(var(--header-height) + 24px);
}

.post-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-top: 1.5em;
    margin-bottom: 0.5em;
}

.post-content p {
    margin-bottom: 0;
}

.post-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.post-content a:hover {
    color: var(--color-primary-dark);
}

.post-content strong {
    font-weight: 700;
    color: var(--color-text);
}

.post-content ul, .post-content ol {
    padding-left: 1.5em;
}

.post-content ul {
    list-style: disc;
}

.post-content ol {
    list-style: decimal;
}

.post-content li {
    margin-bottom: 0.5em;
    padding-left: 0.25em;
}

.post-content li::marker {
    color: var(--color-primary);
}

.post-content blockquote {
    border-left: 4px solid var(--color-primary);
    background: var(--color-primary-50);
    padding: var(--space-4) var(--space-6);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    font-style: italic;
    color: var(--color-text-secondary);
}

.post-content blockquote p {
    margin: 0;
}

.post-content pre {
    background: var(--color-gray-900);
    color: #e2e8f0;
    padding: var(--space-6);
    border-radius: var(--border-radius);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

[data-theme="dark"] .post-content pre {
    background: #0d1117;
}

.post-content code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--color-bg-alt);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    border: 1px solid var(--color-border);
}

.post-content pre code {
    background: none;
    padding: 0;
    border: none;
    font-size: inherit;
}

.post-content img {
    border-radius: var(--border-radius);
    box-shadow: 0 4px 16px var(--color-shadow);
}

.post-content figure {
    margin: 2em 0;
}

.post-content figcaption {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-3);
}

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    font-size: var(--font-size-sm);
    overflow-x: auto;
    display: block;
}

@media (min-width: 768px) {
    .post-content table {
        display: table;
    }
}

.post-content table th,
.post-content table td {
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-border);
    text-align: left;
}

.post-content table th {
    background: var(--color-bg-alt);
    font-weight: 600;
}

.post-content table tr:nth-child(even) {
    background: var(--color-bg-alt);
}

[data-theme="dark"] .post-content table th {
    background: var(--color-gray-800);
}

[data-theme="dark"] .post-content table tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.03);
}

.post-content hr {
    border: none;
    height: 2px;
    background: var(--color-border);
    margin: 2em 0;
}

/* ========================================
   TOC (Table of Contents)
   ======================================== */
.toc {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--space-6);
    margin-bottom: var(--space-8);
}

.toc__title {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    user-select: none;
}

.toc__title svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

.toc__title .toc-toggle-icon {
    margin-left: auto;
    transition: transform var(--transition-fast);
}

.toc.is-collapsed .toc__title .toc-toggle-icon {
    transform: rotate(-90deg);
}

.toc__list {
    padding-left: 0;
}

.toc.is-collapsed .toc__list {
    display: none;
}

.toc__list li {
    margin-bottom: var(--space-1);
}

.toc__list a {
    display: block;
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    border-left: 2px solid transparent;
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    transition: all var(--transition-fast);
}

.toc__list a:hover,
.toc__list a.is-active {
    color: var(--color-primary);
    background: var(--color-primary-50);
    border-left-color: var(--color-primary);
}

.toc__list .toc-h3 {
    padding-left: var(--space-8);
}

/* Sticky TOC on desktop */
.toc--sticky {
    position: sticky;
    top: calc(var(--header-height) + var(--space-4));
}

/* ========================================
   Share Buttons
   ======================================== */
.share-buttons {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-6) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin: var(--space-8) 0;
    flex-wrap: wrap;
}

.share-buttons__label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
}

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.share-btn:hover {
    transform: translateY(-2px);
    color: var(--color-white);
}

.share-btn svg {
    width: 18px;
    height: 18px;
}

.share-btn--twitter { background: #1da1f2; }
.share-btn--facebook { background: #1877f2; }
.share-btn--linkedin { background: #0a66c2; }
.share-btn--whatsapp { background: #25d366; }
.share-btn--copy { background: var(--color-gray-600); }
.share-btn--weibo { background: #e6162d; }

.share-btn--twitter:hover { background: #0d8ed9; }
.share-btn--facebook:hover { background: #0d65d9; }
.share-btn--linkedin:hover { background: #084e94; }
.share-btn--copy:hover { background: var(--color-gray-700); }
.share-btn--weibo:hover { background: #c01126; }

/* ========================================
   Related Posts
   ======================================== */
.related-posts {
    padding: var(--space-8) 0;
}

.related-posts__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-6);
}

.related-posts__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

/* ========================================
   CTA Banner
   ======================================== */
.cta-banner {
    background: linear-gradient(135deg, var(--color-primary), #7c3aed);
    border-radius: var(--border-radius-lg);
    padding: var(--space-8);
    margin: var(--space-8) 0;
    color: var(--color-white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-banner__icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-3);
}

.cta-banner__title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    margin-bottom: var(--space-3);
}

.cta-banner__desc {
    font-size: var(--font-size-base);
    opacity: 0.9;
    margin-bottom: var(--space-6);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-banner .btn {
    background: var(--color-white);
    color: var(--color-primary);
    font-weight: 700;
}

.cta-banner .btn:hover {
    background: var(--color-gray-100);
    color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

/* ========================================
   Breadcrumb
   ======================================== */
.breadcrumb {
    padding: var(--space-4) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.breadcrumb a {
    color: var(--color-text-secondary);
}

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

.breadcrumb .separator {
    margin: 0 var(--space-2);
    color: var(--color-text-muted);
}

.breadcrumb .current {
    color: var(--color-text);
    font-weight: 500;
}

/* ========================================
   Front Page
   ======================================== */
/* Hero */
.hero {
    background: linear-gradient(135deg, var(--color-primary), #1e40af);
    color: var(--color-white);
    padding: var(--space-16) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(4px);
    padding: var(--space-2) var(--space-4);
    border-radius: 9999px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--space-6);
}

.hero__title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    line-height: 1.6;
    margin-bottom: var(--space-8);
}

.hero__search {
    max-width: 500px;
    margin: 0 auto var(--space-6);
    position: relative;
}

.hero__search input {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    padding-right: 52px;
    border-radius: 9999px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(4px);
    color: var(--color-white);
    font-size: var(--font-size-base);
    outline: none;
    transition: all var(--transition-fast);
}

.hero__search input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.hero__search input:focus {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.6);
}

.hero__search button {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-white);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero__search button svg {
    width: 18px;
    height: 18px;
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
}

.hero__cta .btn--primary {
    background: var(--color-white);
    color: var(--color-primary);
}

.hero__cta .btn--primary:hover {
    background: var(--color-gray-100);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.hero__cta .btn--outline {
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--color-white);
}

.hero__cta .btn--outline:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-white);
}

/* Destinations Section */
.section {
    padding: var(--space-12) 0;
}

.section__header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.section__title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--space-3);
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.destinations-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.destination-card {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--space-5);
    border-radius: 24px;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    border: 1px solid rgba(var(--destination-accent-rgb, 37, 99, 235), 0.12);
    background:
        radial-gradient(circle at 14% 18%, rgba(var(--destination-accent-rgb, 37, 99, 235), 0.16), rgba(var(--destination-accent-rgb, 37, 99, 235), 0) 34%),
        radial-gradient(circle at 85% 10%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0) 28%),
        linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    box-shadow: 0 18px 38px rgba(15, 23, 42, 0.08);
}

.destination-card:hover {
    transform: translateY(-6px);
    border-color: rgba(var(--destination-accent-rgb, 37, 99, 235), 0.22);
    box-shadow: 0 22px 42px rgba(15, 23, 42, 0.12);
}

.destination-card__bg {
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    min-height: 112px;
}

.destination-card__bg::after {
    content: "";
    position: absolute;
    top: -32px;
    right: -24px;
    width: 136px;
    height: 136px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(var(--destination-accent-rgb, 37, 99, 235), 0.16), rgba(var(--destination-accent-rgb, 37, 99, 235), 0) 72%);
    pointer-events: none;
}

.destination-card__flag {
    position: relative;
    z-index: 1;
    width: 52px;
    height: auto;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.82);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.12);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.destination-card:hover .destination-card__flag {
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 16px 28px rgba(15, 23, 42, 0.16);
}

.destination-card__overlay {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: var(--space-2);
}

.destination-card__name {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
}

.destination-card__desc {
    font-size: var(--font-size-xs);
    line-height: 1.65;
    color: var(--color-text-secondary);
}

[data-theme="dark"] .destination-card {
    border-color: rgba(var(--destination-accent-rgb, 59, 130, 246), 0.2);
    background:
        radial-gradient(circle at 14% 18%, rgba(var(--destination-accent-rgb, 59, 130, 246), 0.18), rgba(var(--destination-accent-rgb, 59, 130, 246), 0) 36%),
        radial-gradient(circle at 85% 10%, rgba(148, 163, 184, 0.16), rgba(148, 163, 184, 0) 28%),
        linear-gradient(180deg, #0f172a 0%, #111827 100%);
    box-shadow: 0 18px 38px rgba(2, 6, 23, 0.38);
}

[data-theme="dark"] .destination-card:hover {
    border-color: rgba(var(--destination-accent-rgb, 59, 130, 246), 0.36);
    box-shadow: 0 24px 42px rgba(2, 6, 23, 0.48);
}

[data-theme="dark"] .destination-card__name {
    color: var(--color-white);
}

[data-theme="dark"] .destination-card__desc {
    color: rgba(255, 255, 255, 0.78);
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

.feature-card {
    text-align: center;
    padding: var(--space-8);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-primary-200);
    box-shadow: 0 8px 24px var(--color-shadow);
}

.feature-card__icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-4);
}

.feature-card__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.feature-card__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* App Download Section */
.app-download {
    background: var(--color-bg-alt);
    padding: var(--space-12) 0;
    text-align: center;
}

.app-download__badges {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.app-download__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: var(--color-gray-900);
    color: var(--color-white);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.app-download__badge:hover {
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .app-download__badge {
    background: var(--color-gray-700);
}

.app-download__badge svg {
    width: 24px;
    height: 24px;
}

/* ========================================
   Archive Page
   ======================================== */
.archive-header {
    padding: var(--space-8) 0 var(--space-4);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-6);
}

.archive-header__title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
}

.archive-header__desc {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-top: var(--space-2);
}

/* ========================================
   Search Page
   ======================================== */
.search-header {
    padding: var(--space-8) 0;
    text-align: center;
}

.search-header__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.search-header .search-form {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    gap: var(--space-2);
}

.search-header .search-form .search-field {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    background: var(--color-bg-alt);
    outline: none;
    transition: border-color var(--transition-fast);
}

.search-header .search-form .search-field:focus {
    border-color: var(--color-primary);
}

.search-header .search-form .search-submit {
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background var(--transition-fast);
}

.search-header .search-form .search-submit:hover {
    background: var(--color-primary-dark);
}

/* ========================================
   404 Page
   ======================================== */
.page-404 {
    text-align: center;
    padding: var(--space-20) 0;
}

.page-404__icon {
    font-size: 5rem;
    margin-bottom: var(--space-4);
}

.page-404__title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--space-4);
}

.page-404__desc {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--space-12) 0 0;
}

[data-theme="dark"] .site-footer {
    background: #0a0f1c;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding-bottom: var(--space-8);
}

.footer-brand .footer-logo {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--space-3);
}

.footer-brand .footer-desc {
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.footer-store {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    padding: var(--space-4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.14), rgba(14, 165, 233, 0.08));
}

.footer-store__label {
    font-size: var(--font-size-xs);
    line-height: 1.6;
    color: var(--color-gray-300);
}

.footer-store__link {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-white);
}

.footer-store__link:hover {
    color: #bfdbfe;
}

.footer-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.footer-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 var(--space-4);
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-gray-200);
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.footer-action:hover {
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.footer-action--primary {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.95), rgba(14, 165, 233, 0.92));
    border-color: transparent;
    color: var(--color-white);
}

.footer-action--primary:hover {
    background: linear-gradient(135deg, rgba(29, 78, 216, 1), rgba(2, 132, 199, 1));
    color: var(--color-white);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-gray-300);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.footer-social a svg {
    width: 18px;
    height: 18px;
}

.footer-col__title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.footer-col__note {
    margin-bottom: var(--space-4);
    font-size: var(--font-size-xs);
    line-height: 1.6;
    color: var(--color-gray-400);
}

.footer-col ul li {
    margin-bottom: var(--space-2);
}

.footer-col ul li a {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
    color: var(--color-white);
}

.footer-inline-link {
    display: inline-flex;
    align-items: center;
    margin-top: var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: #93c5fd;
}

.footer-inline-link:hover {
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-4) 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

/* ========================================
   WordPress Specific
   ======================================== */
.wp-caption {
    max-width: 100%;
}

.wp-caption-text {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

.alignnone, .aligncenter, .alignleft, .alignright {
    max-width: 100%;
}

.aligncenter {
    display: block;
    margin: 1.5em auto;
}

.alignleft {
    float: left;
    margin: 0.5em 1.5em 1em 0;
}

.alignright {
    float: right;
    margin: 0.5em 0 1em 1.5em;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-4);
}

/* Comments */
.comments-area {
    padding: var(--space-8) 0;
}

.comments-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-6);
}

.comment-list {
    list-style: none;
    padding: 0;
}

.comment-body {
    padding: var(--space-4);
    margin-bottom: var(--space-4);
    background: var(--color-bg-alt);
    border-radius: var(--border-radius);
}

.comment-author {
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.comment-respond {
    margin-top: var(--space-8);
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    background: var(--color-bg);
    margin-bottom: var(--space-4);
    outline: none;
    transition: border-color var(--transition-fast);
}

.comment-form input:focus,
.comment-form textarea:focus {
    border-color: var(--color-primary);
}

.comment-form .submit {
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.comment-form .submit:hover {
    background: var(--color-primary-dark);
}

/* ========================================
   Lazy Load
   ======================================== */
img[data-src] {
    opacity: 0;
    transition: opacity var(--transition-base);
}

img[data-src].loaded {
    opacity: 1;
}

/* ========================================
   Loading Skeleton
   ======================================== */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.skeleton {
    background: linear-gradient(90deg, var(--color-bg-alt) 25%, var(--color-border) 50%, var(--color-bg-alt) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--border-radius-sm);
}

/* ========================================
   Back to Top
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 999;
    border: none;
    transition: opacity 0.3s, transform 0.3s;
    opacity: 0;
    transform: translateY(10px);
}

.back-to-top.is-visible {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* ========================================
   Responsive: Tablet (768px+)
   ======================================== */
@media (min-width: 768px) {
    :root {
        --header-height: 80px;
    }

    .container {
        padding: 0 var(--space-8);
    }

    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .destinations-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero__title {
        font-size: var(--font-size-5xl);
    }

    .single-post-header .post-title {
        font-size: var(--font-size-4xl);
    }

    .related-posts__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* ========================================
   Responsive: Desktop (1024px+)
   ======================================== */
@media (min-width: 1024px) {
    .main-nav {
        display: block;
    }

    .menu-toggle {
        display: none;
    }

    .layout-with-sidebar {
        grid-template-columns: 1fr var(--sidebar-width);
    }

    .sidebar {
        display: block;
    }

    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .destinations-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-6);
    }

    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }

    .related-posts__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .cta-banner {
        padding: var(--space-12);
    }
}

/* ========================================
   Responsive: Large Desktop (1280px+)
   ======================================== */
@media (min-width: 1280px) {
    .posts-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .destinations-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .site-header,
    .site-footer,
    .sidebar,
    .share-buttons,
    .cta-banner,
    .related-posts,
    .toc,
    .breadcrumb,
    .pagination,
    .back-to-top {
        display: none !important;
    }

    body {
        color: #000;
        background: #fff;
        font-size: 12pt;
    }

    .post-content {
        max-width: 100%;
    }

    a {
        color: #000;
        text-decoration: underline;
    }

    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }
}