/*
Theme Name: Maconnerie Renovation Blois
Theme URI: https://maconnerie-renovation-construction-blois.fr
Author: MRC Blois
Author URI: https://maconnerie-renovation-construction-blois.fr
Description: Thème WordPress professionnel dédié à la maçonnerie, rénovation et construction à Blois. Guides travaux, équipement maison, aménagement intérieur et extérieur.
Version: 1.0.0
Requires at least: 5.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: mrcblois
Tags: maconnerie, renovation, construction, blois, travaux, equipement, amenagement
*/

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    --color-primary: #B45309;
    --color-primary-light: #D97706;
    --color-primary-dark: #92400E;
    --color-secondary: #1E3A5F;
    --color-secondary-light: #2D5F8A;
    --color-accent: #DC2626;

    --color-bg: #FAF9F6;
    --color-bg-alt: #F3F1EC;
    --color-bg-card: #FFFFFF;
    --color-text: #1C1917;
    --color-text-light: #57534E;
    --color-text-lighter: #A8A29E;
    --color-border: #E7E5E4;
    --color-border-light: #F5F5F4;

    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Nunito Sans', 'Segoe UI', sans-serif;
    --font-accent: 'IBM Plex Mono', monospace;

    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    --container-max: 1200px;
    --container-narrow: 800px;
    --sidebar-width: 320px;
    --header-height: 76px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 14px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.10);
    --shadow-card: 0 2px 8px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);

    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-body); font-size: 1rem; line-height: 1.7; color: var(--color-text); background-color: var(--color-bg); 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-light); }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); color: var(--color-text); line-height: 1.25; font-weight: 700; }
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
p { margin-bottom: var(--space-md); }
ul, ol { padding-left: var(--space-lg); margin-bottom: var(--space-md); }

/* ============================================
   LAYOUT
   ============================================ */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-lg); }
.container--narrow { max-width: var(--container-narrow); }
.site-content { padding: var(--space-2xl) 0; min-height: 60vh; }
.content-area { display: grid; grid-template-columns: 1fr var(--sidebar-width); gap: var(--space-2xl); align-items: start; }
.content-area--full { grid-template-columns: 1fr; }

/* ============================================
   HEADER
   ============================================ */
.site-header { background: var(--color-bg-card); border-bottom: 3px solid var(--color-primary); position: sticky; top: 0; z-index: 1000; height: var(--header-height); transition: box-shadow var(--transition-base); }
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.site-branding { display: flex; align-items: center; gap: var(--space-sm); }
.site-logo { width: 44px; height: 44px; }
.site-title { font-family: var(--font-heading); font-size: 1.4rem; color: var(--color-secondary); letter-spacing: -0.01em; }
.site-title a { color: inherit; }
.site-title a:hover { color: var(--color-primary); }
.site-tagline { display: none; }

/* Navigation */
.main-navigation ul { display: flex; list-style: none; gap: var(--space-xs); padding: 0; margin: 0; }
.main-navigation li { position: relative; }
.main-navigation a { display: block; padding: var(--space-sm) var(--space-md); color: var(--color-text); font-weight: 700; font-size: 0.9rem; border-radius: var(--radius-sm); transition: all var(--transition-fast); }
.main-navigation a:hover, .main-navigation .current-menu-item > a { color: var(--color-primary); background: rgba(180,83,9,0.06); }
.main-navigation .sub-menu { display: none; position: absolute; top: 100%; left: 0; background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); min-width: 220px; padding: var(--space-sm) 0; flex-direction: column; z-index: 100; }
.main-navigation li:hover > .sub-menu { display: flex; }
.main-navigation .sub-menu a { padding: var(--space-sm) var(--space-md); font-size: 0.86rem; font-weight: 600; border-radius: 0; }
.main-navigation .sub-menu a:hover { background: var(--color-bg-alt); }

/* Menu toggle */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: var(--space-sm); color: var(--color-text); }
.menu-toggle span { display: block; width: 24px; height: 2px; background: currentColor; margin: 5px 0; transition: all var(--transition-fast); border-radius: 2px; }
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================
   HERO
   ============================================ */
.hero-section { background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 50%, var(--color-primary-dark) 100%); color: #fff; padding: var(--space-3xl) 0; position: relative; overflow: hidden; }
.hero-section::before { content: ''; position: absolute; inset: 0; background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="b" patternUnits="userSpaceOnUse" width="30" height="30"><rect width="1" height="1" x="15" y="15" fill="rgba(255,255,255,0.03)"/></pattern></defs><rect fill="url(%23b)" width="100" height="100"/></svg>'); background-size: 30px; }
.hero-content { position: relative; z-index: 1; max-width: 700px; }
.hero-label { display: inline-block; font-family: var(--font-accent); font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; background: rgba(255,255,255,0.12); padding: var(--space-xs) var(--space-md); border-radius: 50px; margin-bottom: var(--space-lg); backdrop-filter: blur(4px); }
.hero-title { font-size: clamp(2rem, 5vw, 3.2rem); color: #fff; margin-bottom: var(--space-lg); line-height: 1.15; }
.hero-title em { color: var(--color-primary-light); font-style: normal; }
.hero-description { font-size: 1.1rem; line-height: 1.7; opacity: 0.9; margin-bottom: var(--space-xl); max-width: 560px; }
.hero-cta { display: inline-flex; align-items: center; gap: var(--space-sm); background: var(--color-primary); color: #fff; font-weight: 700; font-size: 0.95rem; padding: var(--space-md) var(--space-xl); border-radius: var(--radius-lg); transition: all var(--transition-base); box-shadow: 0 4px 15px rgba(180,83,9,0.3); }
.hero-cta:hover { background: var(--color-primary-light); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(180,83,9,0.4); }
.hero-cta svg { width: 18px; height: 18px; transition: transform var(--transition-fast); }
.hero-cta:hover svg { transform: translateX(3px); }

/* ============================================
   TOPICS GRID
   ============================================ */
.section-topics { padding: var(--space-3xl) 0; }
.section-header { text-align: center; margin-bottom: var(--space-2xl); }
.section-label { display: inline-block; font-family: var(--font-accent); font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--color-primary); background: rgba(180,83,9,0.08); padding: var(--space-xs) var(--space-md); border-radius: 50px; margin-bottom: var(--space-md); }
.section-title { margin-bottom: var(--space-sm); }
.section-subtitle { color: var(--color-text-light); font-size: 1.05rem; max-width: 550px; margin: 0 auto; }
.topics-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--space-lg); }
.topic-card { background: var(--color-bg-card); border: 1px solid var(--color-border-light); border-radius: var(--radius-lg); padding: var(--space-xl); transition: all var(--transition-base); position: relative; overflow: hidden; }
.topic-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--color-primary); transform: scaleX(0); transform-origin: left; transition: transform var(--transition-base); }
.topic-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.topic-card:hover::before { transform: scaleX(1); }
.topic-icon { width: 48px; height: 48px; background: rgba(180,83,9,0.08); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-md); font-size: 1.4rem; }
.topic-card h3 { font-size: 1.15rem; margin-bottom: var(--space-sm); }
.topic-card p { color: var(--color-text-light); font-size: 0.92rem; margin-bottom: var(--space-md); line-height: 1.6; }
.topic-link { font-weight: 700; font-size: 0.88rem; color: var(--color-primary); display: inline-flex; align-items: center; gap: var(--space-xs); }
.topic-link:hover { gap: var(--space-sm); }

/* ============================================
   CAROUSEL & LATEST POSTS
   ============================================ */
.section-latest { padding: var(--space-3xl) 0; background: var(--color-bg-alt); }
.carousel-wrapper { position: relative; display: flex; align-items: center; gap: var(--space-sm); }
.carousel-track-container { overflow: hidden; flex: 1; border-radius: var(--radius-lg); }
.carousel-track { display: flex; gap: var(--space-lg); transition: transform 0.45s cubic-bezier(0.25,0.46,0.45,0.94); will-change: transform; }
.carousel-slide { flex: 0 0 calc((100% - var(--space-lg) * 2) / 3); min-width: 0; }
.carousel-slide .post-card { height: 100%; }
.carousel-btn { flex-shrink: 0; width: 46px; height: 46px; border-radius: 50%; border: 2px solid var(--color-border); background: var(--color-bg-card); color: var(--color-text); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all var(--transition-fast); box-shadow: var(--shadow-sm); z-index: 2; }
.carousel-btn:hover { border-color: var(--color-primary); color: var(--color-primary); box-shadow: var(--shadow-md); }
.carousel-btn:disabled { opacity: 0.3; cursor: default; pointer-events: none; }
.carousel-dots { display: flex; justify-content: center; gap: var(--space-sm); margin-top: var(--space-lg); }
.carousel-dot { width: 10px; height: 10px; border-radius: 50%; border: 2px solid var(--color-border); background: transparent; cursor: pointer; padding: 0; transition: all var(--transition-fast); }
.carousel-dot.active { background: var(--color-primary); border-color: var(--color-primary); }
.carousel-dot:hover { border-color: var(--color-primary); }

/* ============================================
   POST CARDS
   ============================================ */
.posts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: var(--space-lg); }
.post-card { background: var(--color-bg-card); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); transition: all var(--transition-base); display: flex; flex-direction: column; }
.post-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.post-card__thumbnail { aspect-ratio: 16/9; overflow: hidden; background: var(--color-bg-alt); position: relative; }
.post-card__thumbnail img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.post-card:hover .post-card__thumbnail img { transform: scale(1.05); }
.post-card__placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--color-bg-alt), var(--color-border-light)); color: var(--color-text-lighter); font-size: 2rem; }
.post-card__body { padding: var(--space-lg); flex: 1; display: flex; flex-direction: column; }
.post-card__category { display: inline-block; font-family: var(--font-accent); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-primary); margin-bottom: var(--space-sm); }
.post-card__title { font-size: 1.2rem; margin-bottom: var(--space-sm); line-height: 1.35; }
.post-card__title a { color: var(--color-text); }
.post-card__title a:hover { color: var(--color-primary); }
.post-card__excerpt { color: var(--color-text-light); font-size: 0.92rem; line-height: 1.6; margin-bottom: var(--space-md); flex: 1; }
.post-card__meta { display: flex; align-items: center; gap: var(--space-md); font-size: 0.82rem; color: var(--color-text-lighter); padding-top: var(--space-md); border-top: 1px solid var(--color-border-light); }
.post-card__meta svg { width: 14px; height: 14px; opacity: 0.5; }
.post-card__meta span { display: inline-flex; align-items: center; gap: var(--space-xs); }

/* Section CTA */
.section-cta { text-align: center; margin-top: var(--space-2xl); }
.btn-outline { display: inline-flex; align-items: center; gap: var(--space-sm); padding: var(--space-md) var(--space-xl); border: 2px solid var(--color-primary); color: var(--color-primary); font-weight: 700; font-size: 0.92rem; border-radius: var(--radius-lg); transition: all var(--transition-base); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }

/* CTA Banner */
.cta-banner { background: var(--color-secondary); color: #fff; padding: var(--space-2xl) 0; text-align: center; }
.cta-banner h2 { color: #fff; margin-bottom: var(--space-sm); }
.cta-banner p { opacity: 0.85; margin-bottom: var(--space-lg); max-width: 500px; margin-left: auto; margin-right: auto; }

/* ============================================
   ARCHIVE / BLOG
   ============================================ */
.archive-header { background: var(--color-bg-alt); padding: var(--space-2xl) 0; border-bottom: 1px solid var(--color-border); }
.archive-header h1 { margin-bottom: var(--space-xs); }
.archive-header p { color: var(--color-text-light); font-size: 1.05rem; }
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: var(--space-lg); }

/* Pagination */
.pagination { display: flex; justify-content: center; gap: var(--space-sm); margin-top: var(--space-2xl); }
.pagination a, .pagination span { display: inline-flex; align-items: center; justify-content: center; min-width: 42px; height: 42px; padding: 0 var(--space-md); border-radius: var(--radius-md); font-weight: 600; font-size: 0.9rem; transition: all var(--transition-fast); }
.pagination a { background: var(--color-bg-card); border: 1px solid var(--color-border); color: var(--color-text); }
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination .current { background: var(--color-primary); color: #fff; border: 1px solid var(--color-primary); }

/* ============================================
   SINGLE ARTICLE
   ============================================ */
.single-header { padding: var(--space-2xl) 0 var(--space-lg); }
.single-header__category { display: inline-block; font-family: var(--font-accent); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-primary); background: rgba(180,83,9,0.08); padding: var(--space-xs) var(--space-md); border-radius: 50px; margin-bottom: var(--space-md); }
.single-header h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: var(--space-md); max-width: 800px; }
.single-meta { display: flex; align-items: center; gap: var(--space-lg); color: var(--color-text-light); font-size: 0.9rem; flex-wrap: wrap; }
.single-meta span { display: inline-flex; align-items: center; gap: var(--space-xs); }
.single-featured-image { margin-bottom: var(--space-2xl); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.single-featured-image img { width: 100%; aspect-ratio: 21/9; object-fit: cover; }

/* Entry content */
.entry-content { font-size: 1.05rem; line-height: 1.8; }
.entry-content h2 { margin-top: var(--space-2xl); margin-bottom: var(--space-md); padding-bottom: var(--space-sm); border-bottom: 2px solid var(--color-border-light); }
.entry-content h3 { margin-top: var(--space-xl); margin-bottom: var(--space-sm); }
.entry-content p { margin-bottom: var(--space-lg); }
.entry-content img { border-radius: var(--radius-md); margin: var(--space-xl) 0; box-shadow: var(--shadow-sm); }
.entry-content blockquote { border-left: 4px solid var(--color-primary); padding: var(--space-md) var(--space-lg); margin: var(--space-xl) 0; background: var(--color-bg-alt); border-radius: 0 var(--radius-md) var(--radius-md) 0; font-style: italic; color: var(--color-text-light); }
.entry-content table { width: 100%; border-collapse: collapse; margin: var(--space-xl) 0; font-size: 0.95rem; }
.entry-content th, .entry-content td { padding: var(--space-md); border: 1px solid var(--color-border); text-align: left; }
.entry-content th { background: var(--color-secondary); color: #fff; font-weight: 600; }
.entry-content tr:nth-child(even) { background: var(--color-bg-alt); }

/* Tags */
.entry-tags { margin-top: var(--space-2xl); padding-top: var(--space-lg); border-top: 1px solid var(--color-border); display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.entry-tags a { display: inline-block; background: var(--color-bg-alt); color: var(--color-text-light); padding: var(--space-xs) var(--space-md); border-radius: 50px; font-size: 0.82rem; font-weight: 600; transition: all var(--transition-fast); }
.entry-tags a:hover { background: var(--color-primary); color: #fff; }

/* Post nav */
.post-navigation { margin-top: var(--space-2xl); padding: var(--space-xl) 0; border-top: 1px solid var(--color-border); display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
.post-navigation .nav-label { font-family: var(--font-accent); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-text-lighter); margin-bottom: var(--space-xs); }
.post-navigation .nav-title { font-family: var(--font-heading); font-size: 1.1rem; color: var(--color-text); transition: color var(--transition-fast); }
.post-navigation a:hover .nav-title { color: var(--color-primary); }
.post-navigation .nav-next { text-align: right; }

/* Related posts */
.related-posts { grid-column: 1 / -1; margin-top: var(--space-2xl); padding-top: var(--space-2xl); border-top: 2px solid var(--color-border-light); }
.related-posts__title { font-size: 1.5rem; margin-bottom: var(--space-xl); text-align: center; }
.related-posts__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--space-lg); }

/* ============================================
   PAGE
   ============================================ */
.page-header { padding: var(--space-2xl) 0 var(--space-lg); }
.page-header h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
.page-content { font-size: 1.05rem; line-height: 1.8; }

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar { position: sticky; top: calc(var(--header-height) + var(--space-lg)); }
.widget { background: var(--color-bg-card); border: 1px solid var(--color-border-light); border-radius: var(--radius-lg); padding: var(--space-lg); margin-bottom: var(--space-lg); }
.widget-title { font-family: var(--font-accent); font-size: 0.73rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-text-light); margin-bottom: var(--space-md); padding-bottom: var(--space-sm); border-bottom: 2px solid var(--color-border-light); }
.widget ul { list-style: none; padding: 0; margin: 0; }
.widget li { margin-bottom: var(--space-sm); }
.widget li a { color: var(--color-text); font-size: 0.92rem; display: flex; align-items: center; justify-content: space-between; padding: var(--space-xs) 0; border-bottom: 1px solid var(--color-border-light); transition: all var(--transition-fast); }
.widget li a:hover { color: var(--color-primary); padding-left: var(--space-sm); }
.widget li:last-child a { border-bottom: none; }

/* Search */
.search-form { display: flex; }
.search-form input[type="search"] { flex: 1; padding: var(--space-sm) var(--space-md); border: 1px solid var(--color-border); border-right: none; border-radius: var(--radius-md) 0 0 var(--radius-md); font-family: var(--font-body); font-size: 0.9rem; outline: none; transition: border-color var(--transition-fast); }
.search-form input[type="search"]:focus { border-color: var(--color-primary); }
.search-form button { padding: var(--space-sm) var(--space-md); background: var(--color-primary); color: #fff; border: none; border-radius: 0 var(--radius-md) var(--radius-md) 0; cursor: pointer; transition: background var(--transition-fast); }
.search-form button:hover { background: var(--color-primary-light); }

/* ============================================
   FOOTER
   ============================================ */
.site-footer { background: var(--color-secondary); color: rgba(255,255,255,0.85); padding: var(--space-2xl) 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: var(--space-2xl); padding-bottom: var(--space-2xl); border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand p { font-size: 0.92rem; opacity: 0.75; line-height: 1.7; margin-bottom: 0; }
.footer-brand .site-title { color: #fff; margin-bottom: var(--space-md); }
.footer-heading { font-family: var(--font-accent); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.5); margin-bottom: var(--space-md); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: var(--space-sm); }
.site-footer a { color: rgba(255,255,255,0.75); font-size: 0.9rem; transition: all var(--transition-fast); }
.site-footer a:hover { color: #fff; padding-left: var(--space-xs); }
.footer-bottom { padding: var(--space-lg) 0; display: flex; justify-content: space-between; align-items: center; font-size: 0.82rem; opacity: 0.6; }

/* Breadcrumbs */
.breadcrumbs { padding: var(--space-md) 0; font-size: 0.82rem; color: var(--color-text-lighter); }
.breadcrumbs a { color: var(--color-text-light); }
.breadcrumbs a:hover { color: var(--color-primary); }
.breadcrumbs .separator { margin: 0 var(--space-sm); opacity: 0.4; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .content-area { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .carousel-slide { flex: 0 0 calc((100% - var(--space-lg)) / 2); }
}

@media (max-width: 768px) {
    :root { --header-height: 64px; }
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    .menu-toggle { display: block; }
    .main-navigation { display: none; position: absolute; top: var(--header-height); left: 0; right: 0; background: var(--color-bg-card); border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-lg); padding: var(--space-md); }
    .main-navigation.active { display: block; }
    .main-navigation ul { flex-direction: column; }
    .main-navigation .sub-menu { position: static; box-shadow: none; border: none; padding-left: var(--space-md); display: none; }
    .main-navigation li:hover > .sub-menu, .main-navigation li.open > .sub-menu { display: flex; }
    .hero-section { padding: var(--space-2xl) 0; }
    .topics-grid, .posts-grid, .blog-grid { grid-template-columns: 1fr; }
    .post-navigation { grid-template-columns: 1fr; }
    .post-navigation .nav-next { text-align: left; }
    .footer-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
    .footer-bottom { flex-direction: column; gap: var(--space-sm); text-align: center; }
    .carousel-slide { flex: 0 0 100%; }
    .carousel-btn { width: 38px; height: 38px; }
}

@media (max-width: 480px) {
    .container { padding: 0 var(--space-md); }
    .hero-title { font-size: 1.6rem; }
    .single-meta { flex-direction: column; align-items: flex-start; gap: var(--space-sm); }
}

/* Utilities */
.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; }
.text-center { text-align: center; }