/*
Theme Name: Flavor Developer
Theme URI: https://theosteinlen.com
Author: Theo Steinlen
Author URI: https://theosteinlen.com
Description: Theme WordPress sur-mesure pour Theo Steinlen, consultant SEO chez Datashake. Design minimaliste noir & blanc avec accents bleu/jaune, optimise pour la performance et le SEO technique.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
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: flavor-developer
Tags: blog, one-column, custom-menu, featured-images, translation-ready, seo
*/

/* ============================================
   CSS VARIABLES & DESIGN SYSTEM
   ============================================ */
:root {
    /* Core colors */
    --color-black: #0a0a0a;
    --color-white: #ffffff;
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;

    /* Accent colors */
    --color-blue: #3b82f6;
    --color-blue-light: #93c5fd;
    --color-blue-50: #eff6ff;
    --color-yellow: #facc15;
    --color-yellow-light: #fef08a;
    --color-yellow-50: #fefce8;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-serif: 'Merriweather', Georgia, serif;

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

    /* Layout */
    --max-width: 1320px;
    --content-width: 860px;
    --sidebar-width: 300px;

    /* Borders */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);

    /* Transitions */
    --transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--color-black);
}

/* ============================================
   READING PROGRESS BAR
   ============================================ */
.reading-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-blue), var(--color-blue-light));
    z-index: 10000;
    transition: width 0.1s linear;
}

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-black);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background 0.2s ease;
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: var(--color-blue);
}

.scroll-to-top svg {
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .scroll-to-top {
        bottom: 1.25rem;
        right: 1.25rem;
        width: 40px;
        height: 40px;
    }
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.site-branding a {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-black);
    letter-spacing: -0.02em;
}

.site-branding a:hover {
    color: var(--color-blue);
}

.site-branding .brand-dot {
    color: var(--color-blue);
}

/* Main Navigation */
.main-navigation ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.main-navigation a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition);
    position: relative;
}

.main-navigation a:hover,
.main-navigation .current-menu-item a {
    color: var(--color-black);
}

.main-navigation > ul > .current-menu-item > a::after,
.main-navigation > ul > .current-menu-ancestor > a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-blue);
    border-radius: 1px;
}

/* Dropdown: parent item with chevron */
.main-navigation .menu-item-has-children {
    position: relative;
}

.main-navigation > ul > .menu-item-has-children > a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.main-navigation > ul > .menu-item-has-children > a .dropdown-chevron,
.main-navigation > ul > .menu-item-has-children > a::after {
    display: none;
}

.main-navigation .dropdown-toggle {
    display: none;
}

/* Desktop: chevron via pseudo-element on parent li */
.main-navigation > ul > .menu-item-has-children::before {
    content: '';
    display: none;
}

/* Sub-menu: desktop dropdown */
.main-navigation .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 220px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-sm) 0;
    list-style: none;
    z-index: 100;
    margin-top: 0;
}

/* Invisible hover bridge: pad the top of sub-menu so hover doesn't break */
.main-navigation > ul > .menu-item-has-children > .sub-menu::before {
    content: '';
    position: absolute;
    top: -16px;
    left: 0;
    width: 100%;
    height: 16px;
    background: transparent;
}

/* Arrow triangle on dropdown */
.main-navigation > ul > .menu-item-has-children > .sub-menu::after {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    background: var(--color-white);
    border-top: 1px solid var(--color-gray-200);
    border-left: 1px solid var(--color-gray-200);
    transform: translateX(-50%) rotate(45deg);
    z-index: 1;
}

.main-navigation > ul > .menu-item-has-children {
    padding-bottom: 16px;
    margin-bottom: -16px;
}

.main-navigation > ul > .menu-item-has-children:hover > .sub-menu {
    display: block;
}

.main-navigation .sub-menu li {
    margin: 0;
}

.main-navigation .sub-menu a {
    display: block;
    padding: 0.55rem 1.15rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-gray-600);
    transition: all 0.15s;
    white-space: nowrap;
    position: static;
}

.main-navigation .sub-menu a::after {
    display: none !important;
}

.main-navigation .sub-menu a:hover {
    background: var(--color-gray-50);
    color: var(--color-black);
}

.main-navigation .sub-menu .current-menu-item > a {
    color: var(--color-blue);
    background: var(--color-blue-50);
}

.header-cta .btn-primary {
    font-size: 0.85rem;
    padding: 0.5rem 1.25rem;
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-black);
    margin: 5px 0;
    transition: var(--transition);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-black);
    color: var(--color-white);
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid var(--color-black);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: transparent;
    color: var(--color-black);
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid var(--color-gray-300);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-secondary:hover {
    border-color: var(--color-black);
}

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
    padding: var(--space-md) 0;
    font-size: 0.85rem;
    color: var(--color-gray-500);
}

.breadcrumb-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.breadcrumb a {
    color: var(--color-gray-500);
}

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

.breadcrumb .separator {
    margin: 0 var(--space-sm);
    color: var(--color-gray-300);
}

/* Breadcrumb after article hero (single posts) */
.single-article > .breadcrumb {
    padding: var(--space-sm) 0 0;
    margin-bottom: var(--space-xl);
    font-size: 0.8rem;
}

.single-article > .breadcrumb .breadcrumb-inner {
    max-width: calc(var(--content-width) + var(--sidebar-width) + var(--space-3xl));
}

/* ============================================
   HOMEPAGE - HERO
   ============================================ */
.hero-section {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.hero-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-blue-50);
    color: var(--color-blue);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.hero-badge .dot {
    width: 6px;
    height: 6px;
    background: var(--color-blue);
    border-radius: 50%;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-black);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.03em;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--color-blue), var(--color-blue-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
    max-width: 520px;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-gray-200);
}

.stat-item .stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-black);
}

.stat-item .stat-label {
    font-size: 0.85rem;
    color: var(--color-gray-500);
    margin-top: 2px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    width: 100%;
    max-width: 480px;
}

.hero-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.hero-card-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-black);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 700;
    font-size: 1.1rem;
}

.hero-card-name {
    font-weight: 700;
    color: var(--color-black);
}

.hero-card-role {
    font-size: 0.85rem;
    color: var(--color-gray-500);
}

.hero-card-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.metric-box {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.metric-box .metric-label {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.metric-box .metric-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-black);
}

.metric-box .metric-change {
    font-size: 0.8rem;
    color: #22c55e;
    font-weight: 600;
}

/* ============================================
   HOMEPAGE - SERVICES
   ============================================ */
.services-section {
    padding: var(--space-4xl) 0;
    background: var(--color-gray-50);
}

.section-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-blue);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 800;
    color: var(--color-black);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: 1.05rem;
    color: var(--color-gray-500);
    max-width: 560px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.service-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition);
}

.service-card:hover {
    border-color: var(--color-gray-300);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.service-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
}

.service-icon.blue {
    background: var(--color-blue-50);
    color: var(--color-blue);
}

.service-icon.yellow {
    background: var(--color-yellow-50);
    color: #ca8a04;
}

.service-icon.dark {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.service-icon.green {
    background: #ecfdf5;
    color: #059669;
}

.service-icon.purple {
    background: #f3e8ff;
    color: #7c3aed;
}

.service-icon.orange {
    background: #fff7ed;
    color: #ea580c;
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--space-sm);
}

.service-card p {
    font-size: 0.95rem;
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* ============================================
   HOMEPAGE - LATEST ARTICLES
   ============================================ */
.latest-articles-section {
    padding: var(--space-4xl) 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.article-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
}

.article-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.article-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--color-gray-100);
}

.article-card-content {
    padding: var(--space-lg);
}

.article-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
    font-size: 0.8rem;
    color: var(--color-gray-500);
}

.article-card-level {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.level-beginner {
    background: #dcfce7;
    color: #166534;
}

.level-intermediate {
    background: var(--color-yellow-50);
    color: #854d0e;
}

.level-advanced {
    background: #fee2e2;
    color: #991b1b;
}

/* Level progress bar */
.level-bar {
    display: inline-block;
    width: 32px;
    height: 4px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 2px;
    overflow: hidden;
    vertical-align: middle;
}

.level-bar-fill {
    display: block;
    height: 100%;
    border-radius: 2px;
    transition: width 0.4s ease;
}

.level-beginner .level-bar-fill {
    width: 33%;
    background: #16a34a;
}

.level-intermediate .level-bar-fill {
    width: 66%;
    background: #ca8a04;
}

.level-advanced .level-bar-fill {
    width: 100%;
    background: #dc2626;
}

.article-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.article-card h3 a {
    color: inherit;
}

.article-card h3 a:hover {
    color: var(--color-blue);
}

.article-card-excerpt {
    font-size: 0.9rem;
    color: var(--color-gray-500);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.article-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--color-gray-400);
}

.read-more-link {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-black);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.read-more-link:hover {
    color: var(--color-blue);
}

.view-all-link {
    text-align: center;
    margin-top: var(--space-2xl);
}

/* ============================================
   HOMEPAGE - CTA SECTION
   ============================================ */
.cta-section {
    padding: var(--space-4xl) 0;
    background: var(--color-black);
    color: var(--color-white);
}

.cta-inner {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-section .section-title {
    color: var(--color-white);
}

.cta-section .section-description {
    color: var(--color-gray-400);
}

.cta-section .btn-primary {
    background: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-white);
    margin-top: var(--space-xl);
}

.cta-section .btn-primary:hover {
    background: var(--color-blue-light);
    border-color: var(--color-blue-light);
}

/* ============================================
   SINGLE ARTICLE - HERO HEADER (title on image)
   ============================================ */
.article-hero {
    position: relative;
    width: 100%;
    min-height: 420px;
    max-height: 520px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    background: var(--color-gray-900);
    margin-bottom: var(--space-2xl);
}

.article-hero-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.45;
    z-index: 1;
}

.article-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,10,10,0.92) 0%, rgba(10,10,10,0.5) 50%, rgba(10,10,10,0.15) 100%);
    z-index: 2;
}

.article-hero-content {
    position: relative;
    z-index: 3;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-lg) var(--space-2xl);
    width: 100%;
}

.article-hero .article-meta-top {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
}

.article-hero .article-category {
    background: rgba(59,130,246,0.2);
    color: var(--color-blue-light);
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.8rem;
    backdrop-filter: blur(4px);
}

.article-hero .article-reading-time {
    display: flex;
    align-items: center;
    gap: 4px;
    color: rgba(255,255,255,0.7);
}

.article-hero .article-level-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.8rem;
}

.article-hero .level-bar {
    background: rgba(255, 255, 255, 0.15);
    width: 36px;
}

.article-hero .level-beginner .level-bar-fill {
    background: #86efac;
}

.article-hero .level-intermediate .level-bar-fill {
    background: var(--color-yellow-light);
}

.article-hero .level-advanced .level-bar-fill {
    background: #fca5a5;
}

.article-hero .level-beginner {
    background: rgba(22,101,52,0.25);
    color: #86efac;
}

.article-hero .level-intermediate {
    background: rgba(133,77,14,0.25);
    color: var(--color-yellow-light);
}

.article-hero .level-advanced {
    background: rgba(153,27,27,0.25);
    color: #fca5a5;
}

.article-hero .article-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
    max-width: 820px;
}

.article-hero .article-excerpt-header {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    max-width: 640px;
}

.article-hero .article-dates {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255,255,255,0.15);
}

.article-hero .article-dates time {
    font-weight: 500;
    color: rgba(255,255,255,0.7);
}

/* Fallback when no featured image */
.article-hero--no-image {
    background: var(--color-gray-50);
    min-height: auto;
}

.article-hero--no-image .article-hero-overlay {
    display: none;
}

.article-hero--no-image .article-meta-top {
    color: var(--color-gray-500);
}

.article-hero--no-image .article-category {
    background: var(--color-blue-50);
    color: var(--color-blue);
}

.article-hero--no-image .article-reading-time {
    color: var(--color-gray-500);
}

.article-hero--no-image .level-beginner {
    background: #dcfce7;
    color: #166534;
}

.article-hero--no-image .level-intermediate {
    background: var(--color-yellow-50);
    color: #854d0e;
}

.article-hero--no-image .level-advanced {
    background: #fee2e2;
    color: #991b1b;
}

.article-hero--no-image .level-bar {
    background: rgba(0, 0, 0, 0.1);
}

.article-hero--no-image .article-title {
    color: var(--color-black);
}

.article-hero--no-image .article-excerpt-header {
    color: var(--color-gray-500);
}

.article-hero--no-image .article-dates {
    color: var(--color-gray-500);
    border-top-color: var(--color-gray-200);
}

.article-hero--no-image .article-dates time {
    color: var(--color-gray-600);
}

/* Kept for non-single pages (pages, contact, etc.) */
.article-header {
    padding: var(--space-2xl) 0 var(--space-xl);
}

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

.article-header .article-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--color-black);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.article-excerpt-header {
    font-size: 1.1rem;
    color: var(--color-gray-500);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

/* ============================================
   QUICK SUMMARY BOX
   ============================================ */
.quick-summary {
    background: var(--color-blue-50);
    border: 1px solid var(--color-blue-light);
    border-left: 4px solid var(--color-blue);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.quick-summary-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-blue);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: 6px;
}

.quick-summary p,
.quick-summary ul {
    font-size: 0.95rem;
    color: var(--color-gray-700);
}

.quick-summary ul {
    padding-left: var(--space-lg);
}

.quick-summary li {
    margin-bottom: var(--space-xs);
}

/* ============================================
   TABLE OF CONTENTS
   ============================================ */
.toc-container {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.toc-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 0;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    user-select: none;
}

/* When TOC is open, add spacing below title */
.toc-title:not(.collapsed) {
    margin-bottom: var(--space-md);
}

.toc-title .toc-icon-list {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.toc-title .toc-chevron {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    transition: transform var(--transition);
}

.toc-title.collapsed .toc-chevron {
    transform: rotate(-90deg);
}

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

.toc-list li {
    margin-bottom: 6px;
}

.toc-list a {
    font-size: 0.9rem;
    color: var(--color-gray-600);
    display: block;
    padding: 4px 0 4px 0;
    border-left: 2px solid transparent;
    padding-left: var(--space-md);
    transition: all var(--transition);
}

.toc-list a:hover,
.toc-list a.active {
    color: var(--color-blue);
    border-left-color: var(--color-blue);
}

.toc-list .toc-h3 {
    padding-left: calc(var(--space-md) + var(--space-md));
    font-size: 0.85rem;
}

.toc-list.collapsed {
    display: none;
}

/* ============================================
   ARTICLE LAYOUT (2 columns: content + sidebar)
   ============================================ */
.article-layout {
    display: grid;
    grid-template-columns: 1fr var(--sidebar-width);
    gap: var(--space-3xl);
    max-width: calc(var(--content-width) + var(--sidebar-width) + var(--space-3xl));
    margin: 0 auto;
    padding: 0 var(--space-lg);
    align-items: start;
}

.article-sidebar {
    align-self: stretch;
}

.article-content-area {
    min-width: 0; /* prevent grid blowout */
}

/* ============================================
   SIDEBAR
   ============================================ */
.article-sidebar {
    display: block;
}

.sidebar-sticky {
    position: sticky;
    top: 80px; /* header height + spacing */
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

/* Sidebar TOC (always open, no toggle) */
.toc-sidebar {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: 0;
}

.toc-sidebar .toc-title-static {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.toc-sidebar .toc-list {
    list-style: none;
    padding: 0;
}

.toc-sidebar .toc-list li {
    margin-bottom: 4px;
}

.toc-sidebar .toc-list a {
    font-size: 0.82rem;
    color: var(--color-gray-500);
    display: block;
    padding: 3px 0 3px var(--space-sm);
    border-left: 2px solid transparent;
    transition: all var(--transition);
    line-height: 1.4;
}

.toc-sidebar .toc-list a:hover,
.toc-sidebar .toc-list a.active {
    color: var(--color-blue);
    border-left-color: var(--color-blue);
}

.toc-sidebar .toc-list .toc-h3 {
    padding-left: calc(var(--space-sm) + var(--space-md));
}

.toc-sidebar .toc-list .toc-h3 a {
    font-size: 0.78rem;
}

/* Mobile TOC (inline, collapsible — same style as before) */
.toc-mobile {
    display: none; /* hidden by default, JS shows it on mobile */
}

/* Sidebar Author Card */
.sidebar-author {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
}

.sidebar-author-avatar {
    margin-bottom: var(--space-sm);
}

.sidebar-author-avatar img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

.sidebar-author-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-black);
}

.sidebar-author-role {
    font-size: 0.78rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-sm);
}

.sidebar-author-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.78rem;
    color: var(--color-blue);
    font-weight: 600;
}

.sidebar-author-link:hover {
    text-decoration: underline;
}

/* Sidebar CTA */
.sidebar-cta {
    background: var(--color-black);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
}

.sidebar-cta-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.sidebar-cta p {
    font-size: 0.8rem;
    color: var(--color-gray-400);
    margin-bottom: var(--space-md);
    line-height: 1.5;
}

.sidebar-cta .btn-primary.btn-small {
    font-size: 0.82rem;
    padding: 0.55rem 1.25rem;
    width: 100%;
    justify-content: center;
}

.article-body {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-gray-800);
}

.article-body h2 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--color-black);
    margin-top: var(--space-3xl);
    margin-bottom: var(--space-md);
    letter-spacing: -0.01em;
    scroll-margin-top: 80px;
}

.article-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-black);
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
    scroll-margin-top: 80px;
}

.article-body h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-black);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
}

.article-body p {
    margin-bottom: var(--space-lg);
}

.article-body a {
    color: var(--color-blue);
    text-decoration: underline;
    text-decoration-color: var(--color-blue-light);
    text-underline-offset: 2px;
}

.article-body a:hover {
    text-decoration-color: var(--color-blue);
}

/* Lists */
.article-body ul,
.article-body ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

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

.article-body ul li::marker {
    color: var(--color-blue);
}

.article-body ol li::marker {
    color: var(--color-blue);
    font-weight: 600;
}

/* Tables */
.article-body table,
.wp-block-table table {
    width: 100%;
    min-width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.article-body > table,
.article-body > .wp-block-table {
    margin-bottom: var(--space-xl);
}

.article-body table thead th,
.wp-block-table table thead th {
    background: var(--color-gray-900);
    color: var(--color-white);
    font-weight: 600;
    text-align: left;
    padding: 0.85rem 1.15rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.article-body table tbody td,
.wp-block-table table tbody td {
    padding: 0.85rem 1.15rem;
    border-bottom: 1px solid var(--color-gray-200);
    vertical-align: top;
}

.article-body table tbody tr:last-child td {
    border-bottom: none;
}

.article-body table tbody tr:nth-child(even) {
    background: var(--color-gray-50);
}

/* Table wrapper for responsive - prevents crop */
.table-responsive,
.wp-block-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: var(--space-xl);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    max-width: 100%;
}

.table-responsive table,
.wp-block-table table {
    margin-bottom: 0;
}

/* Scrollbar styling for tables */
.table-responsive::-webkit-scrollbar,
.wp-block-table::-webkit-scrollbar {
    height: 6px;
}

.table-responsive::-webkit-scrollbar-track,
.wp-block-table::-webkit-scrollbar-track {
    background: var(--color-gray-100);
    border-radius: 3px;
}

.table-responsive::-webkit-scrollbar-thumb,
.wp-block-table::-webkit-scrollbar-thumb {
    background: var(--color-gray-400);
    border-radius: 3px;
}

/* Code blocks */
.article-body code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--color-gray-100);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    color: var(--color-gray-800);
}

.article-body pre {
    background: var(--color-gray-900);
    color: var(--color-gray-200);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--space-xl);
    font-size: 0.9rem;
    line-height: 1.6;
}

.article-body pre code {
    background: none;
    padding: 0;
    color: inherit;
}

/* Blockquote */
.article-body blockquote {
    border-left: 4px solid var(--color-black);
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
    background: var(--color-gray-50);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--color-gray-700);
}

.article-body blockquote p:last-child {
    margin-bottom: 0;
}

/* Images in articles */
.article-body img {
    border-radius: var(--radius-md);
    margin: var(--space-xl) 0;
}

.article-body figure {
    margin: var(--space-xl) 0;
}

.article-body figcaption {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-gray-500);
    margin-top: var(--space-sm);
    font-style: italic;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section {
    margin: var(--space-2xl) 0;
}

.faq-section-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: var(--space-lg);
}

.faq-item {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    background: var(--color-white);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-black);
    text-align: left;
    font-family: var(--font-sans);
    transition: background var(--transition);
}

.faq-question:hover {
    background: var(--color-gray-50);
}

.faq-question .faq-icon {
    font-size: 1.25rem;
    transition: transform var(--transition);
    flex-shrink: 0;
    margin-left: var(--space-md);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    display: none;
    padding: 0 var(--space-lg) var(--space-lg);
    font-size: 0.95rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    display: block;
}

/* ============================================
   AUTHOR BOX
   ============================================ */
.author-box {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    margin: var(--space-3xl) 0 var(--space-2xl);
    display: flex;
    gap: var(--space-xl);
    align-items: flex-start;
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--color-black);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 700;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.author-info {
    flex: 1;
}

.author-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray-500);
    font-weight: 600;
    margin-bottom: 4px;
}

.author-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 4px;
}

.author-role {
    font-size: 0.9rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-sm);
}

.author-bio {
    font-size: 0.9rem;
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.author-social a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--color-blue);
    font-weight: 500;
}

.author-social a:hover {
    color: var(--color-black);
}

/* ============================================
   RELATED ARTICLES
   ============================================ */
.related-articles {
    padding: var(--space-3xl) 0;
    border-top: 1px solid var(--color-gray-200);
}

.related-articles-inner {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.related-articles h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: var(--space-xl);
}

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

/* Recommended: always 3 columns on desktop */
.recommended-articles .related-grid {
    grid-template-columns: repeat(3, 1fr);
}

.related-card {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: all var(--transition);
}

.related-card:hover {
    border-color: var(--color-gray-300);
    box-shadow: var(--shadow-md);
}

.related-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.related-card h3 a {
    color: inherit;
}

.related-card h3 a:hover {
    color: var(--color-blue);
}

.related-card-meta {
    font-size: 0.8rem;
    color: var(--color-gray-400);
}

/* ============================================
   ARTICLE CTA BANNER
   ============================================ */
.article-cta {
    background: var(--color-black);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
    margin: var(--space-2xl) 0;
}

.article-cta h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.article-cta p {
    color: var(--color-gray-400);
    margin-bottom: var(--space-lg);
    font-size: 0.95rem;
}

.article-cta .btn-primary {
    background: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-white);
}

.article-cta .btn-primary:hover {
    background: var(--color-blue-light);
    border-color: var(--color-blue-light);
}

/* ============================================
   ARCHIVE / BLOG LIST
   ============================================ */
.archive-header {
    padding: var(--space-3xl) 0 var(--space-xl);
    text-align: center;
}

.archive-header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.archive-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: var(--space-sm);
}

.archive-description {
    font-size: 1.05rem;
    color: var(--color-gray-500);
}

.archive-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg) var(--space-3xl);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-3xl);
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition);
}

.pagination a {
    border: 1px solid var(--color-gray-200);
    color: var(--color-gray-600);
}

.pagination a:hover {
    border-color: var(--color-black);
    color: var(--color-black);
}

.pagination .current {
    background: var(--color-black);
    color: var(--color-white);
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-section {
    padding: var(--space-3xl) 0;
}

.contact-inner {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.contact-form label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--space-xs);
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--color-gray-800);
    margin-bottom: var(--space-lg);
    transition: border-color var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px var(--color-blue-50);
}

.contact-form textarea {
    min-height: 160px;
    resize: vertical;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: var(--space-3xl) 0 var(--space-xl);
}

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

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-3xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--color-gray-700);
}

.footer-brand h3 {
    font-size: 1.15rem;
    color: var(--color-white);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 320px;
}

.footer-nav h4 {
    font-size: 0.85rem;
    color: var(--color-white);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.footer-nav ul {
    list-style: none;
}

.footer-nav li {
    margin-bottom: var(--space-sm);
}

.footer-nav a {
    color: var(--color-gray-400);
    font-size: 0.9rem;
    transition: color var(--transition);
}

.footer-nav a:hover {
    color: var(--color-white);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--color-gray-800);
    color: var(--color-gray-400);
    transition: all var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    font-size: 0.8rem;
}

/* ============================================
   404 PAGE
   ============================================ */
.page-404 {
    text-align: center;
    padding: var(--space-4xl) var(--space-lg);
    max-width: 560px;
    margin: 0 auto;
}

.page-404 .error-code {
    font-size: 8rem;
    font-weight: 900;
    color: var(--color-gray-200);
    line-height: 1;
}

.page-404 h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--space-md);
}

.page-404 p {
    color: var(--color-gray-500);
    margin-bottom: var(--space-xl);
}

/* ============================================
   SEARCH
   ============================================ */
.search-form {
    display: flex;
    gap: var(--space-sm);
}

.search-form input[type="search"] {
    flex: 1;
    padding: 0.6rem 1rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-family: var(--font-sans);
}

.search-form button {
    padding: 0.6rem 1.25rem;
    background: var(--color-black);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    font-size: 0.9rem;
}

/* ============================================
   GLOSSARY
   ============================================ */

/* --- Header --- */
.glossary-header {
    padding: var(--space-3xl) 0 var(--space-xl);
    text-align: center;
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
}

.glossary-header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.glossary-header-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: var(--color-blue-50);
    color: var(--color-blue);
    margin-bottom: var(--space-md);
}

.glossary-title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 800;
    color: var(--color-black);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-sm);
}

.glossary-description {
    font-size: 1.05rem;
    color: var(--color-gray-500);
    max-width: 560px;
    margin: 0 auto;
}

/* --- Filters bar (alphabet + categories) --- */
.glossary-filters {
    position: sticky;
    top: 64px;
    z-index: 100;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-gray-200);
    padding: var(--space-md) 0;
}

.glossary-filters-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

/* Alphabet navigation */
.glossary-alpha-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    justify-content: center;
}

.alpha-btn {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-gray-600);
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font-sans);
}

.alpha-btn:hover:not(:disabled) {
    border-color: var(--color-black);
    color: var(--color-black);
}

.alpha-btn.active {
    background: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
}

.alpha-btn:disabled,
.alpha-btn.disabled {
    opacity: 0.3;
    cursor: default;
}

/* Category filter pills */
.glossary-categories-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
}

.category-pill {
    display: inline-flex;
    align-items: center;
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-gray-600);
    background: var(--color-gray-100);
    transition: all var(--transition);
}

.category-pill:hover {
    background: var(--color-gray-200);
    color: var(--color-black);
}

.category-pill.active {
    background: var(--color-blue-50);
    color: var(--color-blue);
}

/* --- Glossary grid --- */
.glossary-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg) var(--space-3xl);
}

.glossary-count {
    font-size: 0.85rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-lg);
}

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

.glossary-no-results {
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
    color: var(--color-gray-500);
}

/* --- Glossary card --- */
.glossary-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    transition: all var(--transition);
    background: var(--color-white);
}

.glossary-card:hover {
    border-color: var(--color-gray-300);
    box-shadow: var(--shadow-md);
}

.glossary-card-letter {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--color-blue-50);
    color: var(--color-blue);
    font-size: 1.1rem;
    font-weight: 800;
    flex-shrink: 0;
}

.glossary-card-content {
    flex: 1;
    min-width: 0;
}

.glossary-card-content h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 2px;
    line-height: 1.3;
}

.glossary-card-content h3 a {
    color: inherit;
}

.glossary-card-content h3 a:hover {
    color: var(--color-blue);
}

.glossary-card-excerpt {
    font-size: 0.85rem;
    color: var(--color-gray-500);
    line-height: 1.5;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.glossary-card-category {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--color-blue);
    background: var(--color-blue-50);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.glossary-card-arrow {
    flex-shrink: 0;
    color: var(--color-gray-400);
    transition: color var(--transition);
}

.glossary-card:hover .glossary-card-arrow {
    color: var(--color-blue);
}

/* --- Single glossary term --- */
.single-glossary > .breadcrumb {
    padding: var(--space-sm) 0 0;
    margin-bottom: var(--space-xl);
    font-size: 0.8rem;
}

.single-glossary > .breadcrumb .breadcrumb-inner {
    max-width: calc(var(--content-width) + var(--sidebar-width) + var(--space-3xl));
}

.glossary-single-layout {
    display: grid;
    grid-template-columns: 1fr var(--sidebar-width);
    gap: var(--space-3xl);
    max-width: calc(var(--content-width) + var(--sidebar-width) + var(--space-3xl));
    margin: 0 auto;
    padding: 0 var(--space-lg);
    align-items: start;
}

.glossary-single-content {
    min-width: 0;
}

.glossary-single-header {
    margin-bottom: var(--space-2xl);
    padding: var(--space-xl) var(--space-2xl);
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
}

.glossary-single-header-top {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.glossary-single-letter {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--color-blue);
    color: var(--color-white);
    font-size: 1.35rem;
    font-weight: 800;
    flex-shrink: 0;
}

.glossary-single-header-labels {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.glossary-single-label {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.glossary-single-label::after {
    content: "";
    width: 4px;
    height: 4px;
    background: var(--color-gray-300);
    border-radius: 50%;
    margin-left: var(--space-xs);
}

.glossary-single-category {
    display: inline-flex;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-blue);
    background: var(--color-blue-50);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    transition: all 0.2s;
}

.glossary-single-category:hover {
    background: var(--color-blue);
    color: var(--color-white);
}

.glossary-single-header h1 {
    font-size: clamp(1.6rem, 3.5vw, 2.25rem);
    font-weight: 800;
    color: var(--color-black);
    letter-spacing: -0.025em;
    line-height: 1.15;
    margin-bottom: var(--space-sm);
}

.glossary-single-excerpt {
    font-size: 1.1rem;
    color: var(--color-gray-500);
    line-height: 1.7;
    max-width: 640px;
}

/* Back button */
.glossary-back {
    margin: var(--space-2xl) 0;
}

/* Related terms */
.glossary-related {
    margin-top: var(--space-2xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--color-gray-200);
}

.glossary-related h2 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: var(--space-lg);
}

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

.glossary-related-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    color: var(--color-gray-700);
    transition: all var(--transition);
}

.glossary-related-item:hover {
    border-color: var(--color-blue);
    color: var(--color-blue);
}

.glossary-related-letter {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--color-gray-100);
    color: var(--color-gray-500);
    font-size: 0.8rem;
    font-weight: 700;
    flex-shrink: 0;
}

.glossary-related-item:hover .glossary-related-letter {
    background: var(--color-blue-50);
    color: var(--color-blue);
}

.glossary-related-name {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 600;
}

.glossary-related-item svg {
    flex-shrink: 0;
    color: var(--color-gray-400);
}

.glossary-related-item:hover svg {
    color: var(--color-blue);
}

/* --- Glossary sidebar --- */
.glossary-sidebar {
    display: block;
    align-self: stretch;
}

.glossary-sidebar-nav {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.glossary-sidebar-nav-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.glossary-sidebar-letters {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.glossary-sidebar-letter {
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-600);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition);
}

a.glossary-sidebar-letter:hover {
    border-color: var(--color-black);
    color: var(--color-black);
}

.glossary-sidebar-letter.current {
    background: var(--color-blue);
    color: var(--color-white);
    border-color: var(--color-blue);
}

.glossary-sidebar-letter.disabled {
    opacity: 0.3;
    cursor: default;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    /* Sidebar: collapse to single column */
    .article-layout {
        grid-template-columns: 1fr;
        max-width: var(--content-width);
    }

    .article-sidebar {
        display: none;
    }

    /* Show mobile TOC instead */
    .toc-mobile {
        display: block !important;
    }

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

    /* Glossary: single column layout */
    .glossary-single-layout {
        grid-template-columns: 1fr;
        max-width: var(--content-width);
    }

    .glossary-sidebar {
        display: none;
    }

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

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .main-navigation {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--color-white);
        border-bottom: 1px solid var(--color-gray-200);
        padding: var(--space-lg);
        box-shadow: var(--shadow-lg);
    }

    .main-navigation.active {
        display: block;
    }

    .main-navigation > ul {
        flex-direction: column;
        gap: 0;
    }

    .main-navigation > ul > li {
        border-bottom: 1px solid var(--color-gray-100);
    }

    .main-navigation > ul > li > a {
        display: block;
        padding: var(--space-sm) 0;
    }

    .main-navigation > ul > .current-menu-item > a::after,
    .main-navigation > ul > .current-menu-ancestor > a::after {
        display: none;
    }

    /* Mobile: sub-menu as collapsible */
    .main-navigation .menu-item-has-children {
        position: relative;
    }

    .main-navigation .dropdown-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        position: absolute;
        top: 0;
        right: 0;
        width: 44px;
        height: 40px;
        background: none;
        border: none;
        cursor: pointer;
        color: var(--color-gray-500);
        transition: transform 0.2s;
    }

    .main-navigation .dropdown-toggle.open {
        transform: rotate(180deg);
    }

    .main-navigation .sub-menu {
        display: none;
        position: static;
        transform: none;
        min-width: 0;
        border: none;
        border-radius: 0;
        box-shadow: none;
        padding: 0 0 var(--space-sm) var(--space-md);
        background: transparent;
    }

    .main-navigation .sub-menu::before,
    .main-navigation .sub-menu::after {
        display: none;
    }

    .main-navigation .sub-menu.open {
        display: block;
    }

    .main-navigation > ul > .menu-item-has-children:hover > .sub-menu {
        display: none;
    }

    .main-navigation > ul > .menu-item-has-children > .sub-menu.open {
        display: block;
    }

    .main-navigation .sub-menu a {
        padding: 0.4rem 0;
        font-size: 0.85rem;
        color: var(--color-gray-500);
    }

    .header-cta {
        display: none;
    }

    .services-grid,
    .articles-grid,
    .posts-grid {
        grid-template-columns: 1fr;
    }

    /* Glossary: stack cards */
    .glossary-grid {
        grid-template-columns: 1fr;
    }

    .glossary-related-grid {
        grid-template-columns: 1fr;
    }

    .glossary-single-header {
        padding: var(--space-lg);
    }

    .glossary-single-letter {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }

    .glossary-single-header-labels {
        flex-wrap: wrap;
    }

    .glossary-alpha-nav {
        gap: 3px;
    }

    .alpha-btn {
        width: 28px;
        height: 28px;
        font-size: 0.7rem;
    }

    /* Mobile tables: fixed first column + scroll */
    .table-responsive,
    .wp-block-table {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .table-responsive table,
    .article-body table,
    .wp-block-table table {
        table-layout: fixed !important;
        width: 100% !important;
        min-width: 600px !important;
    }

    .table-responsive table thead th:first-child,
    .table-responsive table tbody td:first-child,
    .article-body table thead th:first-child,
    .article-body table tbody td:first-child,
    .wp-block-table table thead th:first-child,
    .wp-block-table table tbody td:first-child {
        width: 160px;
        min-width: 160px;
        max-width: 160px;
        word-wrap: break-word;
        overflow-wrap: break-word;
        white-space: normal;
    }

    .table-responsive table thead th,
    .article-body table thead th,
    .wp-block-table table thead th {
        font-size: 0.7rem;
        padding: 0.55rem 0.7rem;
    }

    .table-responsive table tbody td,
    .article-body table tbody td,
    .wp-block-table table tbody td {
        font-size: 0.8rem;
        padding: 0.55rem 0.7rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: var(--space-lg);
    }

    .author-box {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .related-grid,
    .recommended-articles .related-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }

    .article-hero .article-dates,
    .article-dates {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .article-hero {
        min-height: 320px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-card-metrics {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   HEADER SEARCH
   ============================================ */
.header-search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-gray-500);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: color var(--transition);
}

.header-search-toggle:hover {
    color: var(--color-black);
}

/* Search Overlay */
.search-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(10, 10, 10, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 140px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-overlay-inner {
    width: 100%;
    max-width: 640px;
    padding: 0 var(--space-lg);
}

.search-overlay-form {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(-10px);
    transition: transform 0.25s ease;
}

.search-overlay.active .search-overlay-form {
    transform: translateY(0);
}

.search-overlay-icon {
    color: var(--color-gray-400);
    flex-shrink: 0;
}

.search-overlay-form input[type="search"] {
    flex: 1;
    border: none;
    outline: none;
    font-family: var(--font-sans);
    font-size: 1.1rem;
    color: var(--color-gray-800);
    background: transparent;
    min-width: 0;
}

.search-overlay-form input[type="search"]::placeholder {
    color: var(--color-gray-400);
}

.search-overlay-form input[type="search"]::-webkit-search-cancel-button {
    display: none;
}

.search-overlay-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-gray-400);
    padding: 4px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: color var(--transition);
}

.search-overlay-close:hover {
    color: var(--color-black);
}

@media (max-width: 768px) {
    .search-overlay {
        padding-top: 80px;
    }

    .search-overlay-form {
        border-radius: var(--radius-md);
        padding: var(--space-sm) var(--space-md);
    }

    .search-overlay-form input[type="search"] {
        font-size: 1rem;
    }
}

/* ============================================
   SERVICE CARD LINK (homepage)
   ============================================ */
a.service-card {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: auto;
    padding-top: var(--space-md);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-blue);
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity var(--transition), transform var(--transition);
}

.service-card:hover .service-card-link {
    opacity: 1;
    transform: translateX(0);
}

/* ============================================
   PAGE SERVICE TEMPLATE
   ============================================ */

/* --- Hero --- */
.service-hero {
    background: var(--color-gray-50);
    padding: var(--space-3xl) 0;
    text-align: center;
}

.service-hero-inner {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.service-hero-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    font-size: 1.5rem;
}

.service-hero-icon.blue { background: #dbeafe; color: #2563eb; }
.service-hero-icon.yellow { background: #fef9c3; color: #ca8a04; }
.service-hero-icon.dark { background: var(--color-gray-200); color: var(--color-black); }
.service-hero-icon.green { background: #dcfce7; color: #16a34a; }
.service-hero-icon.purple { background: #f3e8ff; color: #9333ea; }
.service-hero-icon.orange { background: #ffedd5; color: #ea580c; }

.service-hero .section-label {
    margin-bottom: var(--space-sm);
}

.service-hero-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--color-black);
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin: var(--space-sm) 0 var(--space-md);
}

.service-hero-description {
    font-size: 1.1rem;
    color: var(--color-gray-500);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* --- Feature Cards --- */
.service-features {
    padding: var(--space-3xl) 0;
}

.service-features-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.service-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.service-feature-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    position: relative;
    transition: all var(--transition);
}

.service-feature-card:hover {
    border-color: var(--color-gray-300);
    box-shadow: var(--shadow-md);
}

.service-feature-indicator {
    width: 4px;
    height: 24px;
    border-radius: 2px;
    margin-bottom: var(--space-md);
}

.service-feature-indicator.blue { background: #3b82f6; }
.service-feature-indicator.yellow { background: #eab308; }
.service-feature-indicator.dark { background: var(--color-black); }
.service-feature-indicator.green { background: #16a34a; }
.service-feature-indicator.purple { background: #9333ea; }
.service-feature-indicator.orange { background: #ea580c; }

.service-feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--space-xs);
}

.service-feature-card p {
    font-size: 0.9rem;
    color: var(--color-gray-500);
    line-height: 1.65;
    margin: 0;
}

/* --- Free Content --- */
.service-content-area {
    padding: var(--space-3xl) 0;
    background: var(--color-gray-50);
}

.service-content-inner {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* --- Methodology Steps --- */
.service-methodology {
    padding: var(--space-3xl) 0;
}

.service-methodology-inner {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.service-steps {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: var(--space-xl);
    list-style: none;
    padding-left: 0;
}

.service-step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: all var(--transition);
}

.service-step:hover {
    border-color: var(--color-gray-300);
    box-shadow: var(--shadow-md);
}

.service-step-number {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    font-weight: 800;
    font-family: var(--font-mono);
}

.service-step-number.blue { background: #dbeafe; color: #2563eb; }
.service-step-number.yellow { background: #fef9c3; color: #ca8a04; }
.service-step-number.dark { background: var(--color-gray-200); color: var(--color-black); }
.service-step-number.green { background: #dcfce7; color: #16a34a; }
.service-step-number.purple { background: #f3e8ff; color: #9333ea; }
.service-step-number.orange { background: #ffedd5; color: #ea580c; }

.service-step-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 4px;
}

.service-step-content p {
    font-size: 0.9rem;
    color: var(--color-gray-500);
    line-height: 1.65;
    margin: 0;
}

/* --- Service Responsive --- */
@media (max-width: 768px) {
    .service-hero {
        padding: var(--space-2xl) 0;
    }

    .service-features,
    .service-content-area,
    .service-methodology {
        padding: var(--space-2xl) 0;
    }

    .service-features-grid {
        grid-template-columns: 1fr;
    }

    .service-step {
        flex-direction: column;
        gap: var(--space-md);
    }
}

/* ============================================
   PAGE A PROPOS
   ============================================ */
.about-hero {
    background: var(--color-gray-50);
    padding: var(--space-3xl) 0;
}

.about-hero-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-3xl);
    align-items: center;
}

.about-hero-content {
    max-width: 640px;
}

.about-hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--color-black);
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin: var(--space-sm) 0;
}

.about-hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-gray-500);
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.about-hero-intro {
    font-size: 1.05rem;
    color: var(--color-gray-600);
    line-height: 1.75;
}

.about-hero-photo {
    flex-shrink: 0;
}

.about-photo {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--color-white);
    box-shadow: var(--shadow-lg);
}

/* About Content */
.about-content-area {
    padding: var(--space-3xl) 0;
}

.about-content-inner {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Skills Section */
.about-skills {
    background: var(--color-gray-50);
    padding: var(--space-3xl) 0;
}

.about-skills-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.skill-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition);
}

.skill-card:hover {
    border-color: var(--color-gray-300);
    box-shadow: var(--shadow-md);
}

.skill-card .service-icon {
    margin-bottom: var(--space-md);
}

.skill-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--space-xs);
}

.skill-card p {
    font-size: 0.9rem;
    color: var(--color-gray-500);
    line-height: 1.65;
}

/* Timeline Section */
.about-timeline-section {
    padding: var(--space-3xl) 0;
}

.about-timeline-inner {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.about-timeline {
    position: relative;
    padding-left: 2rem;
    margin-top: var(--space-xl);
    list-style: none;
}

.about-timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-gray-200);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-2xl);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -2rem;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-blue);
    border: 3px solid var(--color-white);
    box-shadow: 0 0 0 2px var(--color-blue);
}

.timeline-content {
    padding-left: var(--space-md);
}

.timeline-date {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-blue);
    margin-bottom: var(--space-xs);
}

.timeline-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 2px;
}

.timeline-company {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-gray-500);
    margin-bottom: var(--space-sm);
}

.timeline-content > p:last-child {
    font-size: 0.92rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* Responsive */
@media (max-width: 1024px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .about-hero {
        padding: var(--space-2xl) 0;
    }

    .about-hero-inner {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        text-align: center;
    }

    .about-hero-photo {
        order: -1;
        display: flex;
        justify-content: center;
    }

    .about-photo {
        width: 160px;
        height: 160px;
    }

    .about-hero-content {
        max-width: 100%;
    }

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

    .about-content-area,
    .about-skills,
    .about-timeline-section {
        padding: var(--space-2xl) 0;
    }
}