/* ============================================================
   L'ATELIER JITROIS — Design system
   Direction artistique : Maison Jitrois
   Monochrome, grotesque, minimalisme, hairlines, beaucoup d'air.
   Aucun arrondi, aucune ombre.
   Mode SOMBRE par defaut + bascule mode CLAIR (data-theme="light").
   ============================================================ */

/* --- Tokens semantiques : MODE SOMBRE (defaut) --- */
:root {
    --bg: #0B0B0B;             /* fond de page (noir Jitrois) */
    --bg-elevated: #161616;    /* panneaux/sections alternees */
    --fg: #FCFCFE;             /* texte principal (blanc casse Jitrois) */
    --fg-muted: #9A9A97;       /* texte secondaire */
    --line: #2A2A2A;           /* hairline sur fond sombre */
    --header-bg: rgba(11, 11, 11, 0.72);

    color-scheme: dark;

    /* Alias retro-compat (composants existants) */
    --primary: var(--fg);
    --text: var(--fg);
    --text-light: var(--fg-muted);
    --background: var(--bg);
    --background-alt: var(--bg-elevated);
    --accent: var(--fg);
    --border: var(--line);
    --white: var(--bg);
    --gray-300: #3a3a3a;
    --gray-400: var(--fg-muted);

    /* POLICES — Hanken Grotesk (equivalent libre de PP Neue Montreal) */
    --font-heading: 'Hanken Grotesk', 'Helvetica Neue', Arial, sans-serif;
    --font-body: 'Hanken Grotesk', 'Helvetica Neue', Arial, sans-serif;
    --font-ui: 'Hanken Grotesk', 'Helvetica Neue', Arial, sans-serif;

    /* ESPACEMENTS */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 7rem;

    /* LARGEURS */
    --container: 1240px;
    --container-narrow: 760px;

    --radius-sm: 0; --radius-md: 0; --radius-lg: 0; --radius-xl: 0;
    --shadow-sm: none; --shadow-md: none; --shadow-lg: none;

    --transition-fast: 200ms cubic-bezier(0.16, 1, 0.3, 1);
    --transition-base: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- MODE CLAIR (bascule utilisateur) --- */
[data-theme="light"] {
    --bg: #FCFCFE;
    --bg-elevated: #F3F2F0;
    --fg: #0B0B0B;
    --fg-muted: #6E6E6E;
    --line: #E4E3E0;
    --header-bg: rgba(252, 252, 254, 0.82);
    --gray-300: #CFCECB;
    color-scheme: light;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.75;
    font-weight: 400;
    color: var(--fg);
    background-color: var(--bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-base), color var(--transition-base);
}

main { flex: 1; }

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -0.01em;
    color: var(--fg);
}

a { color: var(--fg); text-decoration: none; transition: color var(--transition-fast), opacity var(--transition-fast); }
a:hover { opacity: 0.6; }

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

::selection { background: var(--fg); color: var(--bg); }

/* --- Utilitaires --- */
.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;
}
.eyebrow {
    font-family: var(--font-ui);
    font-size: 0.7rem; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.28em;
    color: var(--fg-muted);
}

/* --- Skip to content --- */
.skip-to-content {
    position: absolute; top: -100%; left: 0;
    background: var(--fg); color: var(--bg);
    padding: 0.5rem 1rem; z-index: 9999;
    font-family: var(--font-ui); font-size: 0.8rem;
    text-transform: uppercase; letter-spacing: 0.1em; text-decoration: none;
}
.skip-to-content:focus { top: 0; }

/* --- Containers --- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-md); }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--space-md); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
    background-color: var(--header-bg);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    position: sticky; top: 0; z-index: 100;
}
.header-container {
    max-width: var(--container); margin: 0 auto;
    padding: 1.25rem var(--space-md);
    display: flex; align-items: center; justify-content: space-between; gap: var(--space-md);
}

/* Logo Jitrois (wordmark inline, herite currentColor) */
.site-logo { display: flex; align-items: center; gap: 0.85rem; color: var(--fg); }
.site-logo:hover { opacity: 0.65; }
.site-logo-mark { display: inline-flex; align-items: center; color: var(--fg); }
.site-logo-mark svg { height: 22px; width: auto; display: block; }
.site-logo-divider { width: 1px; height: 22px; background: var(--line); }
.site-logo-sub {
    font-family: var(--font-ui); font-size: 0.66rem; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.24em; color: var(--fg-muted);
    white-space: nowrap;
}

.header-right { display: flex; align-items: center; gap: var(--space-md); margin-left: auto; }

.site-nav { display: flex; gap: var(--space-md); }
.nav-link {
    font-family: var(--font-ui); font-size: 0.74rem; font-weight: 500;
    color: var(--fg); text-transform: uppercase; letter-spacing: 0.16em;
    padding-bottom: 2px; border-bottom: 1px solid transparent;
    transition: border-color var(--transition-fast), opacity var(--transition-fast);
}
.nav-link:hover { opacity: 1; border-bottom-color: var(--fg); }
.nav-link.active { border-bottom-color: var(--fg); }

/* Theme toggle */
.theme-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 34px; height: 34px;
    background: transparent; border: 1px solid var(--line);
    color: var(--fg); cursor: pointer;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}
.theme-toggle:hover { border-color: var(--fg); }
.theme-toggle svg { width: 16px; height: 16px; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* Hamburger */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: var(--space-xs); }
.hamburger, .hamburger::before, .hamburger::after {
    display: block; width: 24px; height: 1px; background-color: var(--fg); transition: all 0.3s;
}
.hamburger { position: relative; }
.hamburger::before, .hamburger::after { content: ''; position: absolute; left: 0; }
.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.nav-mobile {
    display: none; padding: var(--space-sm) var(--space-md) var(--space-md);
    border-top: 1px solid var(--line); background-color: var(--bg);
}
.nav-mobile.open { display: block; }
.nav-link-mobile {
    display: block; padding: 0.6rem 0; font-family: var(--font-ui);
    font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--fg);
}
.nav-link-mobile:hover { opacity: 0.6; }

/* Language switcher */
.lang-switcher { display: flex; align-items: center; gap: 0.35rem; font-family: var(--font-ui); font-size: 0.72rem; font-weight: 500; }
.lang-switcher .lang-link, .lang-switcher .lang-current { text-transform: uppercase; letter-spacing: 0.12em; }
.lang-switcher .lang-link { color: var(--fg-muted); }
.lang-switcher .lang-link:hover { color: var(--fg); opacity: 1; }
.lang-switcher .lang-current { color: var(--fg); cursor: default; }

.lang-switcher-mobile {
    display: flex; gap: var(--space-sm); padding-top: var(--space-sm); margin-top: var(--space-sm);
    border-top: 1px solid var(--line); font-family: var(--font-ui); font-size: 0.8rem; font-weight: 500;
}
.lang-switcher-mobile .lang-link, .lang-switcher-mobile .lang-current { text-transform: uppercase; letter-spacing: 0.12em; }
.lang-switcher-mobile .lang-link { color: var(--fg-muted); }
.lang-switcher-mobile .lang-current { color: var(--fg); }

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb { margin-bottom: var(--space-md); }
.breadcrumb-list { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-xs); list-style: none; }
.breadcrumb-item {
    display: flex; align-items: center; gap: var(--space-xs);
    font-family: var(--font-ui); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em;
}
.breadcrumb-item a { color: var(--fg-muted); }
.breadcrumb-item a:hover { color: var(--fg); opacity: 1; }
.breadcrumb-item span { color: var(--fg); }
.breadcrumb-sep { color: var(--gray-300); flex-shrink: 0; }

/* ============================================================
   HERO (editorial, pleine page, hairline bas)
   ============================================================ */
.hero {
    background-color: var(--bg); color: var(--fg);
    text-align: center; padding: var(--space-xl) var(--space-md);
    border-bottom: 1px solid var(--line);
}
.hero-content { max-width: 820px; margin: 0 auto; }
.hero-badge {
    display: inline-block; font-family: var(--font-ui); font-size: 0.7rem; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.3em; color: var(--fg-muted); margin-bottom: var(--space-md);
}
.hero h1 {
    font-family: var(--font-heading); font-size: clamp(2.4rem, 6vw, 4.4rem);
    font-weight: 500; letter-spacing: -0.02em; line-height: 1.02; color: var(--fg); margin-bottom: var(--space-md);
}
.hero-description {
    font-family: var(--font-body); font-size: 1.1rem; font-weight: 300; line-height: 1.7;
    color: var(--fg-muted); max-width: 560px; margin: 0 auto var(--space-lg);
}

/* Boutons (inversion fond/texte, valable dans les 2 themes) */
.btn-primary, .btn-dark {
    display: inline-block; font-family: var(--font-ui); font-weight: 500; font-size: 0.74rem;
    text-transform: uppercase; letter-spacing: 0.18em;
    background-color: var(--fg); color: var(--bg); padding: 1.05rem 2.4rem; border: 1px solid var(--fg);
    transition: background-color var(--transition-fast), color var(--transition-fast); cursor: pointer; text-decoration: none;
}
.btn-primary:hover, .btn-dark:hover { background-color: transparent; color: var(--fg); opacity: 1; }

.btn-outline {
    display: inline-block; font-family: var(--font-ui); font-weight: 500; font-size: 0.74rem;
    text-transform: uppercase; letter-spacing: 0.18em;
    background-color: transparent; color: var(--fg); border: 1px solid var(--fg); padding: 1.05rem 2.4rem;
    transition: all var(--transition-fast); cursor: pointer; text-decoration: none;
}
.btn-outline:hover { background-color: var(--fg); color: var(--bg); opacity: 1; }

.text-link {
    display: inline-block; font-family: var(--font-ui); font-size: 0.74rem; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.18em; color: var(--fg);
    border-bottom: 1px solid var(--fg); padding-bottom: 3px;
}
.text-link:hover { opacity: 0.6; }

/* ============================================================
   SECTIONS
   ============================================================ */
.section-title {
    font-family: var(--font-heading); font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 500;
    letter-spacing: -0.01em; text-align: center; margin-bottom: var(--space-lg); color: var(--fg);
}
.categories-section, .latest-section { padding: var(--space-xl) 0; }
.categories-section { background-color: var(--bg-elevated); }
.section-eyebrow { display: block; text-align: center; margin-bottom: var(--space-sm); }
.section-cta { text-align: center; margin-top: var(--space-lg); }

/* Grid Categories (tuiles editoriales, hairlines, hover invert) */
.grid-categories {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line);
}
.category-card {
    background-color: transparent; color: var(--fg);
    padding: var(--space-lg) var(--space-md); text-align: left;
    border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
    transition: background-color var(--transition-base), color var(--transition-base);
    display: flex; flex-direction: column; align-items: flex-start; justify-content: space-between;
    gap: var(--space-md); min-height: 240px;
}
.category-card:hover { background-color: var(--fg); color: var(--bg); opacity: 1; }
.category-card-top { display: flex; flex-direction: column; gap: var(--space-sm); }
.category-card h3 {
    font-family: var(--font-heading); font-size: 1.35rem; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.04em; color: inherit; line-height: 1.15;
}
.category-desc { font-family: var(--font-body); font-size: 0.92rem; line-height: 1.6; color: inherit; opacity: 0.7; }
.category-link {
    font-family: var(--font-ui); font-size: 0.7rem; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.16em; color: inherit;
    display: inline-flex; align-items: center; gap: 0.5rem;
}
.category-count {
    font-family: var(--font-ui); font-size: 0.7rem; text-transform: uppercase;
    letter-spacing: 0.14em; color: inherit; opacity: 0.6;
}

/* Grid Articles */
.grid-articles { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: var(--space-md); }
.article-card { background-color: transparent; border: none; overflow: hidden; display: flex; flex-direction: column; }
.article-card-image-wrapper { display: block; width: 100%; aspect-ratio: 4 / 5; overflow: hidden; background-color: var(--bg-elevated); }
.article-card-image {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1), filter 0.7s ease;
    filter: grayscale(100%); display: block;
}
.article-card:hover .article-card-image { transform: scale(1.04); filter: grayscale(0%); }
.article-card-image-placeholder {
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-elevated); color: var(--fg-muted);
    font-family: var(--font-heading); font-size: 3rem; font-weight: 500; text-transform: uppercase;
}
.article-card-body { padding: var(--space-sm) 0 0; flex: 1; display: flex; flex-direction: column; }
.article-meta {
    display: flex; align-items: center; gap: var(--space-xs); font-family: var(--font-ui);
    font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--fg-muted);
    margin-bottom: var(--space-xs); flex-wrap: wrap;
}
.meta-separator { color: var(--gray-300); }
.article-category { font-weight: 500; color: var(--fg); text-transform: uppercase; letter-spacing: 0.12em; text-decoration: none; }
.article-category:hover { opacity: 0.6; }
.article-card h3 {
    font-family: var(--font-heading); font-size: 1.3rem; font-weight: 500; letter-spacing: -0.01em;
    margin-bottom: var(--space-xs); line-height: 1.2;
}
.article-card h3 a { color: var(--fg); }
.article-card h3 a:hover { opacity: 0.6; }
.article-card p { font-size: 0.95rem; color: var(--fg-muted); line-height: 1.6; margin-bottom: var(--space-sm); }
.read-more {
    margin-top: auto; font-family: var(--font-ui); font-size: 0.7rem; font-weight: 500; color: var(--fg);
    text-transform: uppercase; letter-spacing: 0.16em; border-bottom: 1px solid var(--fg); padding-bottom: 2px; align-self: flex-start;
}

/* ============================================================
   LIST PAGE
   ============================================================ */
.list-header { background-color: var(--bg); color: var(--fg); padding: var(--space-xl) 0 var(--space-lg); text-align: center; border-bottom: 1px solid var(--line); }
.list-header h1 { font-family: var(--font-heading); font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 500; letter-spacing: -0.02em; color: var(--fg); }
.list-description { color: var(--fg-muted); margin: var(--space-sm) auto 0; font-weight: 300; max-width: 560px; }
.list-count { display: inline-block; margin-top: var(--space-md); font-family: var(--font-ui); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--fg-muted); }
.list-content { padding: var(--space-xl) 0; }
.articles-list { display: flex; flex-direction: column; gap: 0; }
.article-card-horizontal {
    background-color: transparent; border: none; border-top: 1px solid var(--line);
    overflow: hidden; display: grid; grid-template-columns: 320px 1fr; gap: var(--space-md); padding: var(--space-md) 0;
}
.article-card-horizontal:last-child { border-bottom: 1px solid var(--line); }
.article-card-horizontal-image-wrapper { display: block; width: 100%; aspect-ratio: 4 / 3; overflow: hidden; background-color: var(--bg-elevated); }
.article-card-horizontal-image { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%); transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1), filter 0.7s ease; display: block; }
.article-card-horizontal:hover .article-card-horizontal-image { transform: scale(1.04); filter: grayscale(0%); }
.article-card-horizontal .article-body { padding: var(--space-xs) 0; display: flex; flex-direction: column; justify-content: center; }
.article-card-horizontal h2 { font-family: var(--font-heading); font-size: clamp(1.4rem, 2.4vw, 1.9rem); font-weight: 500; letter-spacing: -0.01em; line-height: 1.15; margin-bottom: var(--space-xs); }
.article-card-horizontal h2 a { color: var(--fg); }
.article-card-horizontal h2 a:hover { opacity: 0.6; }
.article-card-horizontal p { color: var(--fg-muted); line-height: 1.65; }

/* ============================================================
   TAGS
   ============================================================ */
.article-tags, .article-tags-bottom { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-top: var(--space-sm); }
.article-tags-bottom { margin-top: var(--space-lg); padding-top: var(--space-md); border-top: 1px solid var(--line); }
.tag {
    font-family: var(--font-ui); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--fg-muted); background: transparent; border: 1px solid var(--line); padding: 4px 12px;
    text-decoration: none; transition: border-color var(--transition-fast), color var(--transition-fast);
}
.tag:hover { color: var(--fg); border-color: var(--fg); opacity: 1; }
.reading-time { font-family: var(--font-ui); }

/* ============================================================
   SINGLE ARTICLE
   ============================================================ */
.single-article { padding: var(--space-lg) 0 var(--space-xl); }
.article-hero {
    display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); align-items: center;
    margin-bottom: var(--space-lg); padding-bottom: var(--space-lg); border-bottom: 1px solid var(--line);
}
.article-hero-image { overflow: hidden; aspect-ratio: 4 / 5; }
.article-hero-image img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%); }
.article-title { font-family: var(--font-heading); font-size: clamp(2rem, 4vw, 3rem); font-weight: 500; letter-spacing: -0.02em; line-height: 1.06; margin-bottom: var(--space-md); color: var(--fg); }
.article-description { font-size: 1.15rem; font-weight: 300; color: var(--fg-muted); line-height: 1.65; margin-bottom: var(--space-md); }
.article-date, .article-reading-time { font-family: var(--font-ui); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--fg-muted); display: flex; align-items: center; gap: 5px; }

.article-author-bar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); flex-wrap: wrap; margin-top: var(--space-md); padding-top: var(--space-sm); border-top: 1px solid var(--line); }
.author-info { display: flex; align-items: center; gap: var(--space-xs); }
.author-avatar { width: 38px; height: 38px; border-radius: 50%; flex-shrink: 0; object-fit: cover; filter: grayscale(100%); }
.author-avatar-placeholder { background: var(--fg); color: var(--bg); display: flex; align-items: center; justify-content: center; font-weight: 500; font-size: 0.85rem; font-family: var(--font-ui); }
.author-text { display: flex; flex-direction: column; }
.author-name { font-weight: 500; color: var(--fg); font-size: 0.82rem; font-family: var(--font-ui); }
.author-role { font-size: 0.68rem; color: var(--fg-muted); font-family: var(--font-ui); text-transform: uppercase; letter-spacing: 0.1em; }
.article-updated { font-family: var(--font-ui); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--fg-muted); display: flex; align-items: center; gap: 5px; }
.article-hero-image-credit { display: block; font-family: var(--font-ui); font-size: 0.68rem; color: var(--fg-muted); margin-top: var(--space-xs); text-align: right; font-style: italic; }

/* Layout 2 colonnes */
.article-layout { display: grid; grid-template-columns: 220px 1fr; gap: var(--space-lg); align-items: start; }
.article-sidebar { position: sticky; top: 110px; max-height: calc(100vh - 150px); overflow-y: auto; }
.article-main { max-width: var(--container-narrow); min-width: 0; }

/* TOC */
.toc { background-color: transparent; border-left: 1px solid var(--line); padding: 0 0 0 var(--space-sm); }
.toc-title { display: flex; align-items: center; gap: var(--space-xs); font-family: var(--font-ui); font-size: 0.66rem; font-weight: 600; color: var(--fg); text-transform: uppercase; letter-spacing: 0.16em; margin-bottom: var(--space-sm); }
.toc-title svg { color: var(--fg); flex-shrink: 0; }
.toc nav ul { padding-left: 0; list-style: none; margin: 0; }
.toc nav ul li { margin-bottom: 4px; line-height: 1.4; }
.toc nav ul li a { font-family: var(--font-ui); font-size: 0.74rem; color: var(--fg-muted); text-decoration: none; transition: color var(--transition-fast); display: block; padding: 3px 0; }
.toc nav ul li a:hover, .toc nav ul li a.toc-active { color: var(--fg); opacity: 1; }
.toc nav ul ul { margin-left: var(--space-sm); }
.toc nav ul ul li a { font-size: 0.7rem; color: var(--gray-400); }
.toc nav ul ul li a:hover, .toc nav ul ul li a.toc-active { color: var(--fg); }

/* Prose */
.article-content { font-size: 1.075rem; line-height: 1.8; }
.article-content h2 { font-family: var(--font-heading); font-size: 1.65rem; font-weight: 500; letter-spacing: -0.01em; color: var(--fg); margin-top: var(--space-lg); margin-bottom: var(--space-sm); padding-bottom: var(--space-xs); border-bottom: 1px solid var(--line); }
.article-content h3 { font-family: var(--font-heading); font-size: 1.25rem; font-weight: 500; color: var(--fg); margin-top: var(--space-md); margin-bottom: var(--space-xs); }
.article-content p { margin-bottom: var(--space-sm); }
.article-content ul, .article-content ol { margin-bottom: var(--space-sm); padding-left: var(--space-md); }
.article-content li { margin-bottom: 0.4rem; }
.article-content a { color: var(--fg); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.article-content a:hover { opacity: 0.6; }
.article-content blockquote { border-left: 2px solid var(--fg); background-color: transparent; padding: var(--space-xs) 0 var(--space-xs) var(--space-md); margin: var(--space-md) 0; font-size: 1.3rem; font-weight: 300; line-height: 1.5; font-style: normal; color: var(--fg); }
.article-content blockquote strong { font-weight: 500; }
.article-content table { width: 100%; border-collapse: collapse; margin: var(--space-md) 0; font-size: 0.95rem; }
.article-content thead { background-color: var(--fg); }
.article-content th { font-family: var(--font-ui); font-weight: 500; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; text-align: left; padding: 0.9rem 1rem; color: var(--bg); }
.article-content td { padding: 0.9rem 1rem; border-bottom: 1px solid var(--line); }
.article-content tbody tr:hover { background-color: var(--bg-elevated); }
.article-content strong { color: var(--fg); font-weight: 600; }
.article-content hr { border: none; border-top: 1px solid var(--line); margin: var(--space-lg) 0; }

/* FAQ Accordion */
.article-content details { border: none; border-top: 1px solid var(--line); margin-bottom: 0; background-color: transparent; overflow: hidden; }
.article-content details:last-of-type { border-bottom: 1px solid var(--line); }
.article-content details summary { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 500; color: var(--fg); padding: var(--space-sm) 0; cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; transition: opacity var(--transition-fast); user-select: none; }
.article-content details summary::-webkit-details-marker { display: none; }
.article-content details summary::after { content: '+'; font-family: var(--font-ui); font-size: 1.4rem; font-weight: 300; color: var(--fg); transition: transform var(--transition-fast); flex-shrink: 0; margin-left: var(--space-sm); }
.article-content details[open] summary::after { content: '\2212'; }
.article-content details summary:hover { opacity: 0.6; }
.article-content details > p, .article-content details > ul, .article-content details > ol, .article-content details > div { padding: 0 0 var(--space-sm); margin-bottom: 0; color: var(--fg-muted); }

/* Bloc auteur */
.author-box { display: grid; grid-template-columns: 88px 1fr; gap: var(--space-md); align-items: start; margin-top: var(--space-lg); padding: var(--space-md) 0; background-color: transparent; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.author-box-avatar { width: 88px; height: 88px; border-radius: 50%; object-fit: cover; flex-shrink: 0; filter: grayscale(100%); }
.author-box-avatar.author-avatar-placeholder { font-size: 2.2rem; }
.author-box-content { display: flex; flex-direction: column; gap: 0.3rem; }
.author-box-label { font-family: var(--font-ui); font-size: 0.66rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.18em; color: var(--fg-muted); }
.author-box-name { font-family: var(--font-heading); font-size: 1.25rem; font-weight: 500; color: var(--fg); margin: 0; line-height: 1.2; }
.author-box-role { font-family: var(--font-ui); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--fg-muted); }
.author-box-bio { font-size: 0.95rem; color: var(--fg); line-height: 1.7; margin-top: var(--space-xs); }
.author-box-expertise { font-family: var(--font-ui); font-size: 0.78rem; color: var(--fg-muted); margin-top: var(--space-xs); }
.author-box-expertise-label { font-weight: 600; color: var(--fg); margin-right: 4px; }
.author-box-expertise-item { color: var(--fg-muted); }
@media (max-width: 640px) { .author-box { grid-template-columns: 1fr; } .author-box-avatar { margin: 0; } }

/* Related */
.related-articles { margin-top: var(--space-lg); padding-top: var(--space-md); border-top: 1px solid var(--line); }
.related-title { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 500; color: var(--fg); margin-bottom: var(--space-md); }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: var(--space-md); }
.related-card { display: block; padding: var(--space-sm) 0 0; background: transparent; border: none; border-top: 1px solid var(--fg); text-decoration: none; transition: opacity var(--transition-base); }
.related-card:hover { opacity: 0.6; }
.related-category { display: inline-block; font-family: var(--font-ui); font-size: 0.66rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.14em; color: var(--fg-muted); margin-bottom: var(--space-xs); }
.related-card h3 { font-family: var(--font-heading); font-size: 1.05rem; font-weight: 500; color: var(--fg); line-height: 1.3; margin-bottom: var(--space-xs); }
.related-card p { font-size: 0.85rem; color: var(--fg-muted); line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* Sitemap HTML */
.sitemap-content { padding: var(--space-xl) 0; }
.sitemap-section { margin-bottom: var(--space-lg); }
.sitemap-section h2 { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 500; color: var(--fg); padding-bottom: var(--space-xs); border-bottom: 1px solid var(--line); margin-bottom: var(--space-sm); }
.sitemap-list { list-style: none; padding: 0; }
.sitemap-list li { display: flex; justify-content: space-between; align-items: center; padding: var(--space-xs) 0; border-bottom: 1px solid var(--line); }
.sitemap-list li:last-child { border-bottom: none; }
.sitemap-list a { font-family: var(--font-body); color: var(--fg); }
.sitemap-list a:hover { opacity: 0.6; }
.sitemap-date { font-family: var(--font-ui); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-muted); flex-shrink: 0; margin-left: var(--space-sm); }

/* Article footer nav */
.article-footer { border-top: 1px solid var(--line); padding: var(--space-md) 0; margin-top: var(--space-md); }
.article-nav { display: flex; justify-content: space-between; gap: var(--space-md); }
.nav-prev, .nav-next { display: flex; flex-direction: column; gap: 6px; max-width: 45%; text-decoration: none; }
.nav-next { text-align: right; margin-left: auto; }
.nav-label { font-family: var(--font-ui); font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--fg-muted); }
.nav-title { font-family: var(--font-heading); font-weight: 500; color: var(--fg); }
.nav-prev:hover, .nav-next:hover { opacity: 0.6; }

/* 404 */
.error-page { text-align: center; padding: var(--space-xl) 0; }
.error-code { font-size: clamp(4rem, 12vw, 8rem); font-weight: 500; color: var(--fg); line-height: 1; display: block; margin-bottom: var(--space-sm); font-family: var(--font-heading); letter-spacing: -0.03em; }
.error-page h1 { font-size: 1.4rem; font-weight: 500; color: var(--fg); margin-bottom: var(--space-xs); }
.error-page p { font-size: 1.05rem; color: var(--fg-muted); margin-bottom: var(--space-lg); }
.error-links { display: flex; gap: var(--space-sm); justify-content: center; flex-wrap: wrap; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background-color: var(--bg-elevated); color: var(--fg); padding: var(--space-xl) 0 var(--space-md); margin-top: auto; border-top: 1px solid var(--line); }
.footer-container { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-md); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--space-lg); margin-bottom: var(--space-xl); }
.footer-logo { color: var(--fg); margin-bottom: var(--space-md); display: block; }
.footer-logo svg { height: 24px; width: auto; }
.footer-col h4 { font-family: var(--font-heading); font-size: 0.95rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.16em; color: var(--fg); margin-bottom: var(--space-md); }
.footer-col p { font-size: 0.92rem; font-weight: 300; color: var(--fg-muted); line-height: 1.7; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.6rem; }
.footer-col a { color: var(--fg-muted); font-family: var(--font-ui); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; }
.footer-col a:hover { color: var(--fg); opacity: 1; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: var(--space-md); text-align: center; }
.footer-bottom p { font-family: var(--font-ui); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--fg-muted); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .article-layout { grid-template-columns: 1fr; gap: var(--space-md); }
    .article-sidebar { position: static; max-height: none; }
}
@media (max-width: 768px) {
    :root { --space-xl: 4.5rem; --space-lg: 3rem; }
    .menu-toggle { display: block; }
    .site-nav { display: none; }
    .lang-switcher { display: none; }
    .site-logo-sub { display: none; }
    .article-hero { grid-template-columns: 1fr; gap: var(--space-md); }
    .article-hero-image { order: -1; aspect-ratio: 4 / 3; }
    .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
    .grid-articles { grid-template-columns: 1fr; }
    .article-card-horizontal { grid-template-columns: 1fr; gap: var(--space-sm); }
    .article-nav { flex-direction: column; gap: var(--space-md); }
    .nav-prev, .nav-next { max-width: 100%; text-align: left; }
    .nav-next { text-align: left; }
    .related-grid { grid-template-columns: 1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
    .article-card-image, .article-card-horizontal-image { filter: grayscale(0%); }
}