/* ============================================================
   Autocars Anciens de France — Conservatoire des Transports
   Direction artistique : patrimoine du transport en commun
   Bleu nuit / crème / chrome / rouge & jaune constructeur
   ============================================================ */

:root{
  --navy:        #16223b;
  --navy-deep:   #0d1526;
  --navy-light:  #2a3d63;
  --cream:       #f3ead6;
  --cream-soft:  #faf6ec;
  --cream-dim:   #e7dcc2;
  --chrome:      #b9c2c9;
  --chrome-dark: #7c8790;
  --red:         #ab2328;
  --red-dark:    #7e1a1e;
  --yellow:      #e7ac2b;
  --yellow-dark: #b9821c;
  --ink:         #191510;
  --ink-soft:    #4a4336;

  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-serif:   "Fraunces", Georgia, serif;
  --font-body:    "Barlow", "Segoe UI", sans-serif;

  --container: 1180px;
  --radius: 3px;
  --shadow-lg: 0 30px 70px -25px rgba(13,21,38,.55);
  --shadow-md: 0 16px 34px -18px rgba(13,21,38,.45);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--cream-soft);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family: var(--font-display); text-transform:uppercase; letter-spacing:.02em; margin:0 0 .5em; color: var(--navy); font-weight:600; }
p{ margin:0 0 1em; }
.container{ max-width: var(--container); margin:0 auto; padding:0 28px; }

/* ---------- texture: chrome rivet line ---------- */
.rivet-line{
  height:6px;
  background: repeating-linear-gradient(90deg, var(--chrome) 0 10px, var(--chrome-dark) 10px 12px, transparent 12px 22px);
  opacity:.55;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.5em;
  padding: .85em 1.7em;
  font-family: var(--font-display);
  text-transform:uppercase; letter-spacing:.06em; font-size:.92rem;
  border-radius: var(--radius);
  border:2px solid transparent;
  cursor:pointer; transition: all .2s ease;
}
.btn-primary{ background: var(--red); color: var(--cream-soft); border-color: var(--red); }
.btn-primary:hover{ background: var(--red-dark); border-color: var(--red-dark); transform: translateY(-2px); }
.btn-yellow{ background: var(--yellow); color: var(--navy-deep); border-color: var(--yellow); }
.btn-yellow:hover{ background:#fff; border-color:#fff; transform: translateY(-2px); }
.btn-ghost{ background: transparent; color: var(--cream-soft); border-color: rgba(243,234,214,.55); }
.btn-ghost:hover{ background: rgba(243,234,214,.12); border-color: var(--cream-soft); }
.btn-navy{ background: var(--navy); color:var(--cream-soft); border-color:var(--navy); }
.btn-navy:hover{ background: var(--navy-light); border-color: var(--navy-light); transform: translateY(-2px); }

.eyebrow{
  font-family: var(--font-display); text-transform:uppercase; letter-spacing:.18em;
  font-size:.8rem; color: var(--red); margin-bottom:.6em; display:flex; align-items:center; gap:.6em;
}
.eyebrow::before{ content:""; width:26px; height:2px; background:var(--red); display:inline-block; }
.section-title{ font-size: clamp(1.7rem, 3vw, 2.5rem); }
.section-lead{ font-family: var(--font-serif); font-style:italic; font-size:1.15rem; color: var(--ink-soft); max-width:640px; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:sticky; top:0; z-index:200;
  background: var(--navy);
  border-bottom: 4px solid var(--yellow);
  transition: padding .25s ease;
}
.nav-wrap{
  max-width: var(--container); margin:0 auto; padding:14px 28px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.brand{ display:flex; align-items:center; gap:14px; color: var(--cream-soft); }
.brand-mark{ width:50px; height:50px; flex:none; }
.brand-mark svg{ width:100%; height:100%; display:block; }
.brand-text{ line-height:1.15; }
.brand-name{ font-family: var(--font-display); text-transform:uppercase; font-size:1.05rem; letter-spacing:.03em; }
.brand-tag{ font-family: var(--font-serif); font-style:italic; font-size:.78rem; color: var(--yellow); }
.burger{ display:none; background:none; border:0; color:var(--cream-soft); font-size:1.6rem; cursor:pointer; }
nav.main-nav ul{ display:flex; align-items:center; gap:2px; flex-wrap:wrap; }
nav.main-nav a{
  display:block; padding:10px 14px; color: var(--chrome);
  font-family: var(--font-display); text-transform:uppercase; font-size:.86rem; letter-spacing:.04em;
  border-bottom:3px solid transparent; transition: all .2s ease;
}
nav.main-nav a:hover, nav.main-nav a.active{ color: var(--cream-soft); border-color: var(--yellow); }
nav.main-nav a.nav-cta{
  background: var(--red); color:#fff; border-radius:3px; margin-left:8px; border-bottom:3px solid var(--red-dark);
}
nav.main-nav a.nav-cta:hover{ background: var(--red-dark); }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative; min-height: 92vh; display:flex; align-items:flex-end;
  overflow:hidden; background: var(--navy-deep);
}
.hero-media{ position:absolute; inset:0; }
.hero-media img{ width:100%; height:100%; object-fit:cover; opacity:.68; }
.hero-media::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(13,21,38,.55) 0%, rgba(13,21,38,.35) 35%, rgba(13,21,38,.94) 100%);
}
.hero-inner{ position:relative; z-index:2; width:100%; padding: 0 28px 74px; max-width: var(--container); margin:0 auto; }
.hero-badge{
  display:inline-block; background: var(--yellow); color:var(--navy-deep); font-family:var(--font-display);
  text-transform:uppercase; font-size:.8rem; letter-spacing:.08em; padding:.5em 1em; margin-bottom:20px;
}
.hero-title{
  color: var(--cream-soft); font-size: clamp(2.4rem, 5.4vw, 4.6rem); line-height:1.02; margin-bottom:22px;
  text-shadow: 0 4px 30px rgba(0,0,0,.35);
}
.hero-title em{ font-style:normal; color: var(--yellow); }
.hero-lead{
  font-family: var(--font-serif); font-style:italic; color: var(--cream); font-size:1.2rem;
  max-width:600px; margin-bottom:30px;
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }
.hero-scroll{
  position:absolute; right:28px; bottom:28px; z-index:2; color: var(--chrome);
  font-family:var(--font-display); text-transform:uppercase; font-size:.75rem; letter-spacing:.15em;
  writing-mode: vertical-rl;
}

/* page hero (inner pages, shorter) */
.page-hero{
  position:relative; min-height: 46vh; display:flex; align-items:flex-end; overflow:hidden; background:var(--navy-deep);
}
.page-hero .hero-media img{ opacity:.55; }
.page-hero .hero-inner{ padding-bottom:54px; }
.page-hero .hero-title{ font-size: clamp(2rem, 4.4vw, 3.4rem); margin-bottom:10px; }
.breadcrumb{ color: var(--chrome); font-size:.85rem; margin-bottom:14px; font-family:var(--font-display); text-transform:uppercase; letter-spacing:.08em; }
.breadcrumb a:hover{ color: var(--yellow); }

/* ============================================================
   BAND (stat strip)
   ============================================================ */
.stat-band{ background: var(--red); }
.stat-inner{ max-width: var(--container); margin:0 auto; padding:26px 28px; display:flex; flex-wrap:wrap; gap:20px 44px; align-items:center; justify-content:center; }
.stat-item{ text-align:center; color:#fff; }
.stat-num{ font-family: var(--font-display); font-size:1.8rem; text-transform:uppercase; color:var(--yellow); }
.stat-label{ font-size:.82rem; text-transform:uppercase; letter-spacing:.05em; opacity:.9; }

/* ============================================================
   SECTIONS
   ============================================================ */
section{ padding: 92px 0; }
.section-alt{ background: var(--cream); }
.section-navy{ background: var(--navy); color: var(--cream-soft); }
.section-navy h2, .section-navy h3{ color:var(--cream-soft); }
.section-navy .section-lead{ color: var(--chrome); }

.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:32px; margin-top:48px; }
.grid-2{ display:grid; grid-template-columns:repeat(2,1fr); gap:40px; margin-top:48px; }

/* cards */
.card{
  background:#fff; border-radius: var(--radius); overflow:hidden; box-shadow: var(--shadow-md);
  border:1px solid rgba(22,34,59,.08); display:flex; flex-direction:column;
}
.card-media{ aspect-ratio: 4/3; overflow:hidden; position:relative; }
.card-media img{ width:100%; height:100%; object-fit:cover; transition: transform .5s ease; }
.card:hover .card-media img{ transform: scale(1.06); }
.card-tag{ position:absolute; top:12px; left:12px; background:var(--yellow); color:var(--navy-deep); font-family:var(--font-display); text-transform:uppercase; font-size:.72rem; letter-spacing:.05em; padding:.35em .8em; }
.card-body{ padding:22px 24px 26px; flex:1; display:flex; flex-direction:column; }
.card-body h3{ font-size:1.15rem; margin-bottom:.4em; }
.card-meta{ font-family:var(--font-display); text-transform:uppercase; font-size:.78rem; color:var(--red); letter-spacing:.05em; margin-bottom:.6em; }
.card-body p{ color: var(--ink-soft); font-size:.95rem; flex:1; }
.card-link{ margin-top:10px; font-family:var(--font-display); text-transform:uppercase; font-size:.82rem; color:var(--navy); letter-spacing:.04em; }
.card-link::after{ content:" →"; }

/* feature split */
.split{ display:grid; grid-template-columns: 1.1fr .9fr; gap:60px; align-items:center; }
.split.reverse{ grid-template-columns: .9fr 1.1fr; }
.split.reverse .split-media{ order:2; }
.split-media img{ border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.split-media{ position:relative; }
.split-media::before{
  content:""; position:absolute; inset:-16px auto auto -16px; width:70%; height:70%;
  border:3px solid var(--yellow); z-index:-1; border-radius:3px;
}
.split h2{ font-size: clamp(1.6rem,2.8vw,2.2rem); }
.split .lead{ font-family: var(--font-serif); font-style:italic; font-size:1.1rem; color: var(--ink-soft); }

.tick-list{ margin-top:20px; }
.tick-list li{ display:flex; gap:12px; margin-bottom:12px; align-items:flex-start; }
.tick-list li::before{ content:"●"; color:var(--red); font-size:.6rem; margin-top:.5em; }

/* infobox (hours / price) */
.infobox{ background: var(--navy); color:var(--cream-soft); padding:30px 32px; border-radius: var(--radius); box-shadow: var(--shadow-md); }
.infobox h3{ color:var(--yellow); font-size:1.05rem; }
.infobox dl{ display:grid; grid-template-columns:auto 1fr; gap:8px 16px; margin:12px 0 0; }
.infobox dt{ font-family:var(--font-display); text-transform:uppercase; font-size:.8rem; color:var(--chrome); }
.infobox dd{ margin:0; }

/* timeline (association history) */
.timeline{ position:relative; margin-top:50px; padding-left:34px; border-left:3px solid var(--cream-dim); }
.timeline-item{ position:relative; padding-bottom:44px; }
.timeline-item:last-child{ padding-bottom:0; }
.timeline-item::before{
  content:""; position:absolute; left:-42px; top:2px; width:16px; height:16px; border-radius:50%;
  background: var(--red); border:3px solid var(--cream-soft); box-shadow:0 0 0 2px var(--red);
}
.timeline-year{ font-family:var(--font-display); color:var(--red); text-transform:uppercase; letter-spacing:.05em; font-size:.95rem; margin-bottom:.3em; }

/* pull quote */
.pull{
  font-family: var(--font-serif); font-style:italic; font-size:1.5rem; color:var(--navy);
  border-left:4px solid var(--yellow); padding-left:26px; margin: 40px 0; max-width:760px;
}

/* gallery */
.gallery-filters{ display:flex; gap:10px; flex-wrap:wrap; margin:36px 0 10px; }
.gallery-filters button{
  font-family:var(--font-display); text-transform:uppercase; font-size:.8rem; letter-spacing:.04em;
  background:#fff; border:1px solid var(--cream-dim); color:var(--ink-soft); padding:.55em 1.2em; border-radius:20px; cursor:pointer;
  transition: all .2s ease;
}
.gallery-filters button.active, .gallery-filters button:hover{ background: var(--navy); color:#fff; border-color:var(--navy); }
.gallery-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; margin-top:30px; }
.veh-card{ background:#fff; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-md); }
.veh-media{ aspect-ratio:4/3; overflow:hidden; }
.veh-media img{ width:100%; height:100%; object-fit:cover; transition:transform .5s; }
.veh-card:hover .veh-media img{ transform:scale(1.07); }
.veh-body{ padding:18px 20px 22px; }
.veh-brand{ font-family:var(--font-display); text-transform:uppercase; font-size:.75rem; color:var(--red); letter-spacing:.06em; }
.veh-name{ font-family:var(--font-display); text-transform:uppercase; font-size:1.15rem; color:var(--navy); margin:.2em 0; }
.veh-year{ display:inline-block; background:var(--cream); font-family:var(--font-display); font-size:.75rem; padding:.25em .7em; border-radius:2px; color:var(--ink-soft); margin-bottom:.6em; }
.veh-desc{ font-size:.9rem; color:var(--ink-soft); }

/* pricing table */
.price-table{ width:100%; border-collapse:collapse; margin-top:36px; background:#fff; box-shadow:var(--shadow-md); }
.price-table th,.price-table td{ padding:16px 20px; border-bottom:1px solid var(--cream-dim); text-align:left; }
.price-table th{ font-family:var(--font-display); text-transform:uppercase; letter-spacing:.04em; font-size:.85rem; background:var(--navy); color:#fff; }
.price-table td.amount{ font-family:var(--font-display); color:var(--red); font-size:1.1rem; white-space:nowrap; }
.price-table tr:last-child td{ border-bottom:none; }

/* CTA band */
.cta-band{
  background: linear-gradient(120deg, var(--navy) 0%, var(--navy-deep) 100%);
  color:#fff; padding:70px 0; text-align:center; position:relative; overflow:hidden;
}
.cta-band::before{
  content:""; position:absolute; inset:0; opacity:.12;
  background-image: repeating-linear-gradient(45deg, var(--yellow) 0 2px, transparent 2px 40px);
}
.cta-band .container{ position:relative; z-index:1; }
.cta-band h2{ color:#fff; }
.cta-band p{ font-family:var(--font-serif); font-style:italic; color:var(--chrome); font-size:1.15rem; max-width:600px; margin:14px auto 30px; }
.cta-actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }

/* forms */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:30px; }
.form-grid .full{ grid-column:1/-1; }
label{ display:block; font-family:var(--font-display); text-transform:uppercase; font-size:.78rem; letter-spacing:.04em; color:var(--navy); margin-bottom:6px; }
input, textarea, select{
  width:100%; padding:12px 14px; border:1px solid var(--cream-dim); border-radius:3px; font-family:var(--font-body); font-size:.98rem;
  background:#fff;
}
input:focus, textarea:focus, select:focus{ outline:2px solid var(--yellow); border-color:var(--yellow); }
textarea{ resize:vertical; min-height:120px; }

/* map/access */
.map-embed{ border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-md); border:0; width:100%; height:380px; }

/* event highlight (twingo) */
.event-hero{
  display:grid; grid-template-columns: 1fr 1fr; background:var(--navy); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-lg);
}
.event-hero-media{ position:relative; min-height:320px; }
.event-hero-media img{ width:100%; height:100%; object-fit:cover; position:absolute; inset:0; }
.event-hero-body{ padding:44px 44px; color:#fff; display:flex; flex-direction:column; justify-content:center; }
.event-date{ display:inline-flex; gap:10px; align-items:center; background:var(--yellow); color:var(--navy-deep); font-family:var(--font-display); text-transform:uppercase; padding:.5em 1em; font-size:.85rem; margin-bottom:16px; width:fit-content; }
.event-hero-body h2{ color:#fff; font-size:clamp(1.6rem,3vw,2.3rem); }
.event-hero-body p{ color:var(--chrome); }

/* accordion (faq-like) */
.acc-item{ border-bottom:1px solid var(--cream-dim); }
.acc-q{ display:flex; justify-content:space-between; align-items:center; padding:20px 4px; cursor:pointer; font-family:var(--font-display); text-transform:uppercase; letter-spacing:.02em; color:var(--navy); }
.acc-q::after{ content:"+"; font-size:1.4rem; color:var(--red); }
.acc-item.open .acc-q::after{ content:"–"; }
.acc-a{ max-height:0; overflow:hidden; transition:max-height .3s ease; color:var(--ink-soft); }
.acc-item.open .acc-a{ max-height:300px; padding-bottom:20px; }

/* footer */
.site-footer{ background: var(--navy-deep); color: var(--chrome); padding: 64px 0 0; }
.footer-grid{ display:grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap:40px; padding-bottom:50px; border-bottom:1px solid rgba(255,255,255,.1); }
.footer-brand{ display:flex; gap:12px; align-items:center; margin-bottom:14px; }
.footer-brand .brand-mark{ width:44px; height:44px; }
.footer-brand-name{ font-family:var(--font-display); text-transform:uppercase; color:#fff; font-size:1rem; }
.footer-col h4{ color:#fff; font-size:.88rem; letter-spacing:.06em; margin-bottom:16px; }
.footer-col ul li{ margin-bottom:10px; }
.footer-col a{ font-size:.92rem; transition:color .2s; }
.footer-col a:hover{ color:var(--yellow); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; padding:26px 0; font-size:.82rem; }
.footer-social{ display:flex; gap:14px; }
.footer-social a{ width:36px; height:36px; border:1px solid rgba(255,255,255,.25); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:.85rem; }
.footer-social a:hover{ background: var(--yellow); color:var(--navy-deep); border-color:var(--yellow); }

/* fade-up */
.fade-up{ opacity:0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.fade-up.visible{ opacity:1; transform:none; }

/* misc */
.mentions-body{ max-width:760px; margin:0 auto; }
.mentions-body h2{ margin-top:2em; font-size:1.3rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px){
  .grid-3{ grid-template-columns:1fr 1fr; }
  .split, .split.reverse{ grid-template-columns:1fr; }
  .split.reverse .split-media{ order:0; }
  .event-hero{ grid-template-columns:1fr; }
  .event-hero-media{ min-height:240px; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width: 760px){
  .burger{ display:block; }
  nav.main-nav{
    position:fixed; inset: 78px 0 0 0; background: var(--navy); padding:20px 28px;
    transform: translateY(-110%); transition: transform .3s ease; overflow-y:auto;
  }
  nav.main-nav.open{ transform:none; }
  nav.main-nav ul{ flex-direction:column; align-items:stretch; gap:0; }
  nav.main-nav a{ padding:16px 4px; border-bottom:1px solid rgba(255,255,255,.08); }
  nav.main-nav a.nav-cta{ margin:14px 0 0; text-align:center; }
  .grid-3, .grid-2, .gallery-grid{ grid-template-columns:1fr; }
  .form-grid{ grid-template-columns:1fr; }
  .form-grid .full{ grid-column:auto; }
  section{ padding:60px 0; }
  .footer-grid{ grid-template-columns:1fr; }
  .hero{ min-height:80vh; }
}