/* ===========================================================
   AutoRoute — thème éditorial automobile
   Palette : asphalte (#15171B), blanc phare (#F6F5F1),
   jaune signalétique (#FFC600), gris ligne (#8A8F98),
   accent route (#2A2E35)
   Typo : display condensée façon plaque/signalétique routière,
   corps de texte lisible.
   =========================================================== */

:root{
    --asphalt: #15171B;
    --asphalt-soft: #2A2E35;
    --paper: #F6F5F1;
    --paper-dim: #ECEAE3;
    --signal: #FFC600;
    --signal-dark: #C99800;
    --line-grey: #8A8F98;
    --ink: #1B1D21;
    --ink-soft: #555a63;
    --radius: 6px;
    --max-w: 1180px;
    --font-display: 'Oswald-fallback', 'Arial Narrow', Impact, sans-serif;
    --font-body: 'Body-fallback', Georgia, 'Times New Roman', serif;
    --font-mono: 'Mono-fallback', 'Courier New', monospace;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
    margin:0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4{
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--asphalt);
    line-height: 1.1;
    margin: 0 0 0.5em;
}

p{ margin: 0 0 1.2em; }
a{ color: var(--asphalt); }
img,svg{ max-width: 100%; display:block; }

.wrap{
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}

.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;
}
.skip-link{
    position:absolute; left:-999px; top:0; background:var(--signal); color:var(--asphalt);
    padding:10px 16px; z-index:200; font-family: var(--font-display); text-transform: uppercase;
}
.skip-link:focus{ left:12px; top:12px; }

:focus-visible{
    outline: 3px solid var(--signal);
    outline-offset: 2px;
}

/* ===== Header ===== */
.site-header{
    background: var(--asphalt);
    color: var(--paper);
    position: sticky; top:0; z-index: 100;
    border-bottom: 4px solid var(--signal);
}
.header-inner{
    display:flex; align-items:center; justify-content:space-between;
    padding-top: 14px; padding-bottom: 14px;
}
.brand-mark{
    display:flex; align-items:center; gap:10px;
    color: var(--paper); text-decoration:none;
}
.brand-mark-icon{ color: var(--signal); display:flex; }
.brand-mark-text{
    font-family: var(--font-display);
    font-size: 22px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.brand-mark-text.small{ font-size: 18px; color: var(--asphalt); }

.nav-toggle{
    display:none;
    flex-direction:column; justify-content:center; gap:5px;
    width:40px; height:36px; background:transparent; border:1px solid var(--paper);
    border-radius: var(--radius); cursor:pointer;
}
.nav-toggle span{ height:2px; background:var(--paper); width: 20px; margin:0 auto; }

.primary-nav{ display:flex; gap: 28px; }
.primary-nav a{
    color: var(--paper); text-decoration:none;
    font-family: var(--font-display); text-transform:uppercase;
    font-size: 14px; letter-spacing: 0.08em;
    padding: 6px 2px; border-bottom: 2px solid transparent;
}
.primary-nav a:hover{ border-bottom-color: var(--signal); }

@media (max-width: 760px){
    .nav-toggle{ display:flex; }
    .primary-nav{
        position:absolute; top:100%; left:0; right:0;
        background: var(--asphalt-soft);
        flex-direction:column; gap:0;
        max-height:0; overflow:hidden;
        transition: max-height 0.3s ease;
    }
    .primary-nav.is-open{ max-height: 300px; }
    .primary-nav a{ padding: 14px 24px; border-bottom: 1px solid rgba(255,255,255,0.08); }
}

/* ===== Hero ===== */
.hero{
    background: linear-gradient(180deg, var(--asphalt) 0%, var(--asphalt-soft) 100%);
    color: var(--paper);
    padding: 64px 0 56px;
    position: relative;
    overflow:hidden;
}
.hero::after{
    content:"";
    position:absolute; left:0; right:0; bottom:0; height:6px;
    background: repeating-linear-gradient(90deg, var(--signal) 0 40px, transparent 40px 80px);
    opacity:0.5;
}
.hero-grid{
    display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items:center;
}
.hero-eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    font-family: var(--font-mono);
    font-size: 13px; letter-spacing: 0.12em; text-transform:uppercase;
    color: var(--signal);
    margin-bottom: 18px;
}
.hero-eyebrow::before{ content:""; width:24px; height:2px; background:var(--signal); }
.hero h1{
    font-size: clamp(34px, 5vw, 56px);
    color: var(--paper);
    margin-bottom: 18px;
}
.hero-lede{
    font-family: var(--font-body);
    font-size: 19px;
    color: #D8D6CE;
    max-width: 52ch;
}
.hero-stats{ display:flex; gap: 28px; margin-top: 28px; flex-wrap:wrap; }
.hero-stat strong{ display:block; font-family: var(--font-display); font-size: 30px; color: var(--signal); }
.hero-stat span{ font-size: 13px; color: #B8B5AC; text-transform:uppercase; letter-spacing:0.06em; }
.hero-art{ color: var(--signal); }

/* ===== Page header (fiches modèles) ===== */
.model-hero{
    background: var(--asphalt);
    color: var(--paper);
    padding: 40px 0 36px;
    border-bottom: 4px solid var(--signal);
}
.model-hero .wrap{ display:grid; grid-template-columns: 1.2fr 0.8fr; gap:36px; align-items:center; }
.model-breadcrumb{
    font-family: var(--font-mono); font-size: 13px; letter-spacing:0.04em;
    color: #B8B5AC; margin-bottom: 14px;
}
.model-breadcrumb a{ color: #D8D6CE; text-decoration:none; }
.model-breadcrumb a:hover{ color: var(--signal); }
.model-hero h1{ font-size: clamp(32px, 4.5vw, 48px); margin-bottom: 10px; color: var(--paper); }
.model-tagline{ color: var(--signal); font-family: var(--font-display); text-transform:uppercase; letter-spacing:0.05em; font-size: 16px; margin-bottom: 14px; }
.model-meta{ display:flex; gap:18px; flex-wrap:wrap; }
.model-meta span{
    font-family: var(--font-mono); font-size: 12.5px; color: var(--paper);
    background: rgba(255,255,255,0.08); padding: 6px 10px; border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.15);
}
.model-hero-art{ background: var(--asphalt-soft); border-radius: var(--radius); padding: 18px; border: 1px solid rgba(255,255,255,0.12); }

/* ===== Sections / content ===== */
section{ padding: 56px 0; }
section + section{ border-top: 1px solid var(--paper-dim); }

.section-label{
    font-family: var(--font-mono); font-size: 13px; letter-spacing:0.1em; text-transform:uppercase;
    color: var(--line-grey); margin-bottom: 10px; display:block;
}

.content-grid{
    display:grid; grid-template-columns: 2fr 1fr; gap: 48px;
}
.content-grid .prose h2{ font-size: 26px; margin-top: 1.6em; }
.content-grid .prose h2:first-child{ margin-top:0; }
.content-grid .prose h3{ font-size: 19px; margin-top: 1.4em; color: var(--asphalt-soft); }
.content-grid .prose p{ color: var(--ink-soft); }

.aside-card{
    background: var(--paper-dim); border-radius: var(--radius);
    padding: 22px; margin-bottom: 20px; border-left: 4px solid var(--signal);
}
.aside-card h3{ font-size: 16px; margin-bottom: 12px; }
.aside-card ul{ margin:0; padding-left: 18px; color: var(--ink-soft); font-size:15px; }
.aside-card li{ margin-bottom: 6px; }
.aside-svg{ background: var(--asphalt); border-radius: var(--radius); padding: 16px; margin-bottom: 20px; }

.figure-row{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 28px 0; }
.figure{ background: var(--paper-dim); border-radius: var(--radius); padding: 14px; }
.figure figcaption{ font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-soft); margin-top: 8px; text-align:center; }

/* ===== Brand grid (index) ===== */
.brand-section{ padding-top: 64px; }
.brand-block{ margin-bottom: 52px; }
.brand-block-head{
    display:flex; align-items:center; gap:14px; margin-bottom: 18px;
    border-bottom: 2px solid var(--asphalt); padding-bottom: 10px;
}
.brand-swatch{ width:14px; height:14px; border-radius:50%; background: var(--brand-color, var(--signal)); flex-shrink:0; }
.brand-block-head h3{ margin:0; font-size: 22px; }
.model-card-grid{ display:grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 16px; }
.model-card{
    display:block; text-decoration:none; color: var(--ink);
    background: #fff; border: 1px solid var(--paper-dim); border-radius: var(--radius);
    padding: 16px; transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.model-card:hover{ transform: translateY(-3px); box-shadow: 0 8px 20px rgba(21,23,27,0.1); border-color: var(--signal); }
.model-card-icon{ margin-bottom: 10px; color: var(--asphalt-soft); }
.model-card-name{ font-family: var(--font-display); text-transform:uppercase; font-size: 16px; letter-spacing:0.02em; }
.model-card-cta{ font-family: var(--font-mono); font-size: 12px; color: var(--line-grey); margin-top:4px; }

/* ===== Web links (maillage interne / toile) ===== */
.web-links{ background: var(--asphalt); color: var(--paper); }
.web-links h2{ color: var(--paper); }
.web-links-intro{ color: #B8B5AC; max-width: 60ch; margin-bottom: 32px; }
.web-links-grid{ display:grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 28px; }
.web-links-col h3{
    font-size: 14px; margin-bottom: 10px; padding-bottom:8px;
    border-bottom: 2px solid var(--brand-color, var(--signal));
    color: var(--paper);
}
.web-links-col ul{ list-style:none; margin:0; padding:0; }
.web-links-col li{ margin-bottom: 7px; }
.web-links-col a{ color: #D8D6CE; text-decoration:none; font-size: 14.5px; }
.web-links-col a:hover{ color: var(--signal); }
.web-links-col .current-page{ color: var(--signal); font-size: 14.5px; font-weight:bold; }

/* ===== Filter (index interactif) ===== */
.filter-bar{
    display:flex; gap: 12px; flex-wrap:wrap; align-items:center;
    margin-bottom: 36px; padding: 18px; background: var(--paper-dim); border-radius: var(--radius);
}
.filter-bar input[type="search"]{
    flex: 1 1 240px; padding: 10px 14px; border: 1px solid var(--line-grey);
    border-radius: var(--radius); font-family: var(--font-body); font-size: 15px;
    background: #fff;
}
.filter-chip{
    font-family: var(--font-mono); font-size: 13px; text-transform:uppercase; letter-spacing:0.04em;
    padding: 7px 13px; border-radius: 999px; border: 1px solid var(--line-grey);
    background: #fff; cursor:pointer; color: var(--ink-soft);
}
.filter-chip[aria-pressed="true"]{ background: var(--signal); border-color: var(--signal-dark); color: var(--asphalt); }
.no-results{ display:none; color: var(--ink-soft); font-style:italic; padding: 24px 0; }

/* ===== Sitemap section (index) ===== */
.sitemap-list{ columns: 3; column-gap: 36px; }
.sitemap-list .brand-group{ break-inside: avoid; margin-bottom: 22px; }
.sitemap-list h4{ font-size:15px; margin-bottom:8px; }
.sitemap-list ul{ list-style:none; padding:0; margin:0; }
.sitemap-list li{ margin-bottom:5px; }
.sitemap-list a{ color: var(--ink-soft); text-decoration:none; font-size:14.5px; }
.sitemap-list a:hover{ color: var(--signal-dark); text-decoration:underline; }
@media (max-width: 760px){ .sitemap-list{ columns: 1; } }

/* ===== Footer ===== */
.site-footer{ background: var(--asphalt-soft); color: var(--paper); padding-top: 48px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 28px; padding-bottom: 32px; }
.footer-about p{ color:#B8B5AC; font-size: 14px; margin-top:12px; }
.footer-col h4{ font-size: 14px; color: var(--signal); margin-bottom:10px; }
.footer-col ul{ list-style:none; padding:0; margin:0; }
.footer-col li{ margin-bottom: 6px; }
.footer-col a{ color:#D8D6CE; text-decoration:none; font-size: 13.5px; }
.footer-col a:hover{ color: var(--signal); }
.footer-bottom{
    border-top: 1px solid rgba(255,255,255,0.12);
    padding: 18px 24px;
    display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
    font-size: 13px; color:#9A978E;
}
.footer-bottom a{ color: var(--signal); }

@media (max-width: 900px){
    .hero-grid, .model-hero .wrap, .content-grid{ grid-template-columns: 1fr; }
    .figure-row{ grid-template-columns: 1fr 1fr; }
    .footer-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px){
    .figure-row{ grid-template-columns: 1fr; }
    .footer-grid{ grid-template-columns: 1fr; }
    .hero-stats{ gap:18px; }
}

@media (prefers-reduced-motion: reduce){
    *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior:auto !important; }
}