/* ==========================================================================
   GADEFT — Trains à vapeur en Cévennes & Auvergne
   Design : affiche ferroviaire contemporaine (crème / vert wagon / laiton)
   Mobile-first · aucune dépendance externe · animations désactivables
   ========================================================================== */

:root {
  --cream: #f6f1e6;
  --cream-2: #efe7d6;
  --paper: #fbf8f1;
  --ink: #21302b;
  --ink-soft: #4c5a54;
  --green: #1e4d3d;
  --green-deep: #143229;
  --night: #101d19;
  --brass: #b5762b;
  --brass-light: #d9a04f;
  --steam: #e8e3d8;
  --red: #a63d2f;

  --font-display: "Georgia", "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --radius: 14px;
  --shadow: 0 10px 30px rgba(16, 29, 25, 0.12);
  --shadow-soft: 0 4px 14px rgba(16, 29, 25, 0.08);
  --header-h: 74px;
  --max-w: 1100px;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--cream);
  overflow-x: hidden;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 0.6em;
  color: var(--green-deep);
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(2.1rem, 7vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 5vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 4vw, 1.45rem); }

p { margin: 0 0 1em; }

a { color: var(--green); }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--brass);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: min(100% - 2.5rem, var(--max-w));
  margin-inline: auto;
}

/* --------------------------------------------------------------------------
   Barre de progression : petit train qui avance avec le scroll
   -------------------------------------------------------------------------- */
.scroll-rail {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: transparent;
  z-index: 120;
  pointer-events: none;
}
.scroll-rail__track {
  position: absolute;
  inset: 0;
  height: 3px;
  top: 2px;
  background: repeating-linear-gradient(90deg,
    rgba(181, 118, 43, 0.35) 0 14px,
    transparent 14px 22px);
}
.scroll-rail__done {
  position: absolute;
  top: 2px; left: 0;
  height: 3px;
  width: 0;
  background: var(--brass);
}
.scroll-rail__train {
  position: absolute;
  top: -9px; left: 0;
  width: 26px; height: 16px;
  transform: translateX(-2px);
  color: var(--brass);
  transition: transform 0.05s linear;
}

/* --------------------------------------------------------------------------
   En-tête
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(246, 241, 230, 0.88);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(30, 77, 61, 0.12);
  transition: box-shadow 0.3s ease;
}
.site-header.is-scrolled { box-shadow: var(--shadow-soft); }

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--green-deep);
  min-width: 0;
}
.brand__logo {
  /* Le monogramme est fin : en dessous de ~50px la couronne devient illisible. */
  width: auto; height: 52px;
  flex: none;
  color: var(--brass);
}
.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.06em;
}
.brand__sub {
  display: none;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.nav {
  position: fixed;
  inset: var(--header-h) 0 auto 0;
  background: var(--paper);
  border-bottom: 1px solid rgba(30, 77, 61, 0.15);
  box-shadow: var(--shadow);
  padding: 0.75rem 1.25rem 1.25rem;
  display: none;
  flex-direction: column;
  gap: 0.25rem;
}
.nav.is-open { display: flex; }

.nav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  padding: 0.85rem 0.75rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.nav a:hover { background: var(--cream-2); }
.nav a[aria-current="page"] { color: var(--brass); }
.nav a[aria-current="page"]::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--brass);
  flex: none;
}

.nav .nav__cta {
  margin-top: 0.5rem;
  justify-content: center;
  background: var(--green);
  color: var(--cream);
  text-align: center;
}
.nav .nav__cta:hover { background: var(--green-deep); }

.nav-toggle {
  appearance: none;
  border: 0;
  background: transparent;
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--green-deep);
}
.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  display: block;
  width: 24px; height: 2.5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle__bars { position: relative; }
.nav-toggle__bars::before { position: absolute; top: -8px; }
.nav-toggle__bars::after { position: absolute; top: 8px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: rotate(-90deg) translateX(-8px); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { opacity: 0; }

@media (min-width: 820px) {
  .brand__sub { display: block; }
  .brand__logo { height: 60px; }
  .nav-toggle { display: none; }
  .nav {
    position: static;
    display: flex !important;
    flex-direction: row;
    align-items: center;
    gap: 0.35rem;
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
  }
  .nav a { padding: 0.5rem 0.8rem; font-size: 0.98rem; }
  .nav .nav__cta { margin: 0 0 0 0.5rem; padding: 0.55rem 1.2rem; border-radius: 999px; }
}

/* --------------------------------------------------------------------------
   Boutons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.7rem;
  border-radius: 999px;
  border: 2px solid transparent;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  min-height: 48px;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }

.btn--brass { background: var(--brass); color: #fff; }
.btn--brass:hover { background: var(--brass-light); color: var(--night); }
.btn--ghost { border-color: rgba(246, 241, 230, 0.6); color: var(--cream); background: rgba(246, 241, 230, 0.06); }
.btn--ghost:hover { background: rgba(246, 241, 230, 0.15); }
.btn--green { background: var(--green); color: var(--cream); }
.btn--green:hover { background: var(--green-deep); }
.btn--outline { border-color: var(--green); color: var(--green); background: transparent; }
.btn--outline:hover { background: var(--green); color: var(--cream); }
.btn--block { width: 100%; }

/* --------------------------------------------------------------------------
   Héros — scène de nuit avec locomotive animée
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--header-h) + 2.5rem) 0 0;
  background:
    radial-gradient(120% 65% at 50% 108%, rgba(217, 160, 79, 0.28) 0%, transparent 60%),
    linear-gradient(180deg, #0c1714 0%, #12251f 55%, #16302a 100%);
  color: var(--cream);
  overflow: hidden;
}
.hero--short { min-height: 62svh; padding-bottom: 8rem; }

.hero h1 { color: var(--cream); margin-bottom: 0.4em; }
.hero .hero__accent { color: var(--brass-light); font-style: italic; }

.hero__inner {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  padding-bottom: 210px; /* réserve la place de la scène du train */
}
.hero--short .hero__inner { padding-bottom: 2rem; }

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass-light);
  margin-bottom: 1.2rem;
}
.hero__kicker::before, .hero__kicker::after {
  content: "";
  width: 34px; height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.hero__lead {
  font-size: clamp(1.05rem, 3.5vw, 1.25rem);
  color: rgba(246, 241, 230, 0.85);
  max-width: 34rem;
  margin: 0 auto 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  justify-content: center;
}

/* étoiles scintillantes */
.hero__stars { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.hero__stars i {
  position: absolute;
  width: 3px; height: 3px;
  border-radius: 50%;
  background: rgba(246, 241, 230, 0.8);
  animation: twinkle 4s ease-in-out infinite;
}
@keyframes twinkle {
  0%, 100% { opacity: 0.15; }
  50% { opacity: 0.9; }
}

/* scène du train, collée en bas du héros */
.hero__scene {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  height: 190px;
  pointer-events: none;
}

/* collines en fond */
.hero__hills {
  position: absolute;
  inset: auto 0 44px 0;
  height: 120px;
  color: #0a1310;
  opacity: 0.9;
}

/* la voie : ballast + traverses qui défilent */
.hero__track {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 46px;
  background: #0a110e;
}
.hero__track::before {
  /* traverses */
  content: "";
  position: absolute;
  inset: 8px 0 auto 0;
  height: 10px;
  background: repeating-linear-gradient(90deg,
    #241a10 0 26px,
    transparent 26px 64px);
  animation: track-move 1.1s linear infinite;
}
.hero__track::after {
  /* rail brillant */
  content: "";
  position: absolute;
  left: 0; right: 0; top: 6px;
  height: 3px;
  background: linear-gradient(90deg, #6d6a5f, #a49f8d 50%, #6d6a5f);
  box-shadow: 0 1px 0 rgba(0,0,0,0.6);
}
@keyframes track-move {
  from { transform: translateX(0); }
  to { transform: translateX(-64px); }
}

/* la locomotive */
.loco {
  position: absolute;
  bottom: 38px;
  left: 50%;
  width: min(620px, 125vw);
  transform: translateX(-50%);
  animation: loco-sway 3.2s ease-in-out infinite;
}
.loco svg { width: 100%; display: block; }
@keyframes loco-sway {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-2px); }
}

.loco .wheel {
  animation: wheel-spin 1.1s linear infinite;
  transform-box: fill-box;
  transform-origin: center;
}
@keyframes wheel-spin {
  to { transform: rotate(360deg); }
}

.loco .rod {
  animation: rod-pump 1.1s linear infinite;
}
@keyframes rod-pump {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(10px); }
}

/* halo du fanal */
.loco .lamp-glow { animation: lamp 2.6s ease-in-out infinite; }
@keyframes lamp {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 0.95; }
}

/* fumée — positionnée par rapport à la cheminée de la locomotive */
.steam {
  position: absolute;
  left: 81%;
  bottom: 86%;
  width: 0; height: 0;
  z-index: 2;
}
.steam i {
  position: absolute;
  bottom: 0; left: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(232, 227, 216, 0.85), rgba(232, 227, 216, 0.15) 70%);
  opacity: 0;
  animation: puff 4.2s ease-out infinite;
}
.steam i:nth-child(2) { animation-delay: 0.9s; }
.steam i:nth-child(3) { animation-delay: 1.7s; }
.steam i:nth-child(4) { animation-delay: 2.6s; }
.steam i:nth-child(5) { animation-delay: 3.4s; }
@keyframes puff {
  0% { transform: translate(0, 0) scale(0.4); opacity: 0; }
  12% { opacity: 0.75; }
  100% { transform: translate(-90px, -150px) scale(2.6); opacity: 0; }
}

@media (min-width: 820px) {
  .hero__scene { height: 240px; }
  .hero__track { height: 54px; }
  .loco { bottom: 44px; width: 680px; }
  .hero:not(.hero--short) .hero__inner { padding-bottom: 260px; }
}

/* flèche d'invitation au scroll */
.hero__scroll {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  color: rgba(246, 241, 230, 0.7);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  display: none;
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */
.section { padding: 4.5rem 0; }
.section--paper { background: var(--paper); }
.section--night {
  background: linear-gradient(180deg, var(--night), var(--green-deep));
  color: var(--cream);
}
.section--night h2, .section--night h3 { color: var(--cream); }

.section__head {
  max-width: 620px;
  margin: 0 auto 2.8rem;
  text-align: center;
}
.section__kicker {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 0.7rem;
}
.section__head p { color: var(--ink-soft); }
.section--night .section__head p { color: rgba(246, 241, 230, 0.75); }

/* séparateur décoratif : petite ligne de rail */
.rail-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 0 auto 1rem;
  color: var(--brass);
}
.rail-divider::before, .rail-divider::after {
  content: "";
  height: 2px;
  width: 52px;
  background: repeating-linear-gradient(90deg, currentColor 0 8px, transparent 8px 14px);
}

/* apparition au scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.12s; }
.reveal[data-delay="2"] { transition-delay: 0.24s; }
.reveal[data-delay="3"] { transition-delay: 0.36s; }

/* --------------------------------------------------------------------------
   Bande de chiffres animés
   -------------------------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.8rem 1rem;
  text-align: center;
}
@media (min-width: 820px) { .stats { grid-template-columns: repeat(4, 1fr); } }

.stat__value {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 8vw, 3.2rem);
  font-weight: 700;
  color: var(--brass-light);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat__label {
  margin-top: 0.5rem;
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(246, 241, 230, 0.75);
}

/* --------------------------------------------------------------------------
   Cartes « billet de train » (voyages)
   -------------------------------------------------------------------------- */
.tickets {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 680px) { .tickets { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .tickets--3 { grid-template-columns: repeat(3, 1fr); } }

.ticket {
  position: relative;
  background:
    repeating-linear-gradient(
      -45deg,
      rgba(30, 77, 61, 0.025) 0 2px,
      transparent 2px 14px
    ),
    var(--paper);
  border-radius: 9px;
  box-shadow: var(--shadow-soft), inset 0 0 0 1px rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(30, 77, 61, 0.16);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.ticket:hover { transform: translateY(-5px); box-shadow: var(--shadow), inset 0 0 0 1px rgba(255, 255, 255, 0.5); }

.ticket__stub {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.8rem 2.6rem 0.8rem 1.5rem;
  background: var(--green);
  color: var(--cream);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.ticket--special .ticket__stub { background: var(--brass); }
.ticket--noel .ticket__stub { background: var(--red); }

/* marque de poinçon du contrôleur */
.ticket__stub::after {
  content: "";
  position: absolute;
  top: 50%; right: 1.1rem;
  width: 17px; height: 17px;
  transform: translateY(-50%);
  border-radius: 50%;
  border: 1.5px dashed rgba(246, 241, 230, 0.75);
}

.ticket__body { position: relative; padding: 1.6rem 1.3rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.ticket__body h3 { margin-bottom: 0.35rem; }

/* ligne de perforation entre le talon et le corps du billet */
.ticket__body::before {
  content: "";
  position: absolute;
  top: 0; left: 10px; right: 10px;
  border-top: 2px dashed rgba(30, 77, 61, 0.3);
}
.ticket__body::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 15px;
  background-image:
    radial-gradient(circle 8px at 0 0, var(--paper) 99%, transparent 100%),
    radial-gradient(circle 8px at 100% 0, var(--paper) 99%, transparent 100%);
  background-repeat: no-repeat;
  pointer-events: none;
}

.ticket__route {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--green);
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.7rem;
}
.ticket__route svg { width: 18px; height: 18px; flex: none; color: var(--brass); }

.ticket__desc { color: var(--ink-soft); font-size: 0.96rem; flex: 1; }

.ticket__meta {
  position: relative;
  margin: 1rem -1.3rem -1.5rem;
  padding: 0.9rem 1.3rem 1.1rem;
  background: linear-gradient(rgba(30, 77, 61, 0.05), rgba(30, 77, 61, 0.05)), var(--paper);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.ticket__meta::before {
  content: "";
  position: absolute;
  top: 0; left: 10px; right: 10px;
  border-top: 1.5px dashed rgba(30, 77, 61, 0.22);
}
.ticket__meta a { font-weight: 700; color: var(--brass); text-decoration: none; }
.ticket__meta a:hover { text-decoration: underline; }

.badge {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  background: rgba(181, 118, 43, 0.14);
  border: 1px dashed rgba(181, 118, 43, 0.45);
  color: var(--brass);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

/* --------------------------------------------------------------------------
   Cartes publics / atouts
   -------------------------------------------------------------------------- */
.features {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 680px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .features { grid-template-columns: repeat(4, 1fr); } }

.feature {
  background: var(--paper);
  border: 1px solid rgba(30, 77, 61, 0.1);
  border-radius: var(--radius);
  padding: 1.7rem 1.4rem;
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.feature:hover { transform: translateY(-5px); box-shadow: var(--shadow); }

.feature__icon {
  width: 58px; height: 58px;
  margin: 0 auto 1rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(181, 118, 43, 0.12);
  color: var(--brass);
}
.feature__icon svg { width: 30px; height: 30px; }
.feature h3 { font-size: 1.18rem; }
.feature p { color: var(--ink-soft); font-size: 0.95rem; margin: 0; }
.feature__lien {
  display: inline-block;
  margin-top: 0.9rem;
  font-weight: 700;
  color: var(--brass);
  text-decoration: none;
}
.feature__lien:hover { text-decoration: underline; }

/* --------------------------------------------------------------------------
   Bloc présentation (accueil) & duo texte/vignette
   -------------------------------------------------------------------------- */
.duo {
  display: grid;
  gap: 2.2rem;
  align-items: center;
}
@media (min-width: 900px) { .duo { grid-template-columns: 1.05fr 0.95fr; gap: 3.5rem; } }

.duo__media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: linear-gradient(160deg, var(--green-deep), var(--night));
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  padding: 1.5rem 1.5rem 3rem;
}
.duo__media svg { width: 100%; }
.duo__media--photo { padding: 0; display: block; }
.duo__media--photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.duo__media figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 0.6rem 1rem;
  font-size: 0.8rem;
  color: rgba(246, 241, 230, 0.75);
  background: linear-gradient(transparent, rgba(12, 20, 17, 0.85));
  text-align: center;
}

.checklist { list-style: none; padding: 0; margin: 1.2rem 0 1.8rem; }
.checklist li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.7rem;
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.28em;
  width: 1.1em; height: 1.1em;
  border-radius: 50%;
  background: var(--brass);
  -webkit-mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><path d="M20 6L9 17l-5-5"/></svg>') center / contain no-repeat;
  mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><path d="M20 6L9 17l-5-5"/></svg>') center / contain no-repeat;
}

/* --------------------------------------------------------------------------
   Frise chronologique (page locomotive)
   -------------------------------------------------------------------------- */
.timeline {
  position: relative;
  margin: 0;
  padding: 0.5rem 0 0.5rem 1.6rem;
  list-style: none;
  border-left: 3px solid rgba(181, 118, 43, 0.4);
}
.timeline li { position: relative; padding: 0 0 2rem 1.2rem; }
.timeline li:last-child { padding-bottom: 0.4rem; }
.timeline li::before {
  content: "";
  position: absolute;
  left: calc(-1.2rem - 1.5px - 8px);
  top: 0.4em;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--cream);
  border: 4px solid var(--brass);
}
.timeline__year {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--brass);
  display: block;
}
.timeline p { color: var(--ink-soft); margin: 0.2rem 0 0; }

@media (min-width: 820px) {
  .timeline { margin-left: 1rem; }
}

/* --------------------------------------------------------------------------
   Fiche technique (page locomotive)
   -------------------------------------------------------------------------- */
.spec-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 820px) { .spec-grid { grid-template-columns: repeat(3, 1fr); } }

.spec {
  background: var(--paper);
  border: 1px solid rgba(30, 77, 61, 0.1);
  border-radius: var(--radius);
  padding: 1.2rem 1rem;
  text-align: center;
  box-shadow: var(--shadow-soft);
}
.spec__value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green);
}
.spec__label { font-size: 0.85rem; color: var(--ink-soft); margin-top: 0.2rem; }

/* --------------------------------------------------------------------------
   Avant / après restauration (page locomotive)
   -------------------------------------------------------------------------- */
.restauration-grid {
  display: grid;
  gap: 1.3rem;
  grid-template-columns: 1fr;
}
@media (min-width: 760px) { .restauration-grid { grid-template-columns: repeat(3, 1fr); } }

.restauration-photo {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  aspect-ratio: 4 / 3;
  background: var(--green-deep);
}
.restauration-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.restauration-photo figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1rem 1.1rem 0.8rem;
  background: linear-gradient(transparent, rgba(10, 17, 14, 0.88));
  color: var(--cream);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.restauration-photo figcaption strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
}
.restauration-photo figcaption span {
  font-size: 0.82rem;
  color: rgba(246, 241, 230, 0.8);
}

/* --------------------------------------------------------------------------
   Bande d'appel à l'action
   -------------------------------------------------------------------------- */
.cta-band {
  position: relative;
  text-align: center;
  overflow: hidden;
}
.cta-band .container { position: relative; z-index: 2; max-width: 680px; }
.cta-band p { color: rgba(246, 241, 230, 0.8); }
.cta-band .hero__actions { margin-top: 1.6rem; }

/* --------------------------------------------------------------------------
   Page contact
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  gap: 2.5rem;
}
@media (min-width: 900px) { .contact-grid { grid-template-columns: 0.9fr 1.1fr; gap: 3.5rem; align-items: start; } }

.contact-cards { display: grid; gap: 1rem; }

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--paper);
  border: 1px solid rgba(30, 77, 61, 0.1);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
  box-shadow: var(--shadow-soft);
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
a.contact-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

.contact-card__icon {
  flex: none;
  width: 46px; height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(181, 118, 43, 0.12);
  color: var(--brass);
}
.contact-card__icon svg { width: 24px; height: 24px; }
.contact-card h3 { font-size: 1.05rem; margin-bottom: 0.15rem; }
.contact-card p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; overflow-wrap: anywhere; }
.contact-card .link-hint { color: var(--brass); font-weight: 700; font-size: 0.88rem; }

/* réseaux sociaux */
.socials { display: flex; gap: 0.7rem; flex-wrap: wrap; }
.socials a {
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid rgba(30, 77, 61, 0.15);
  color: var(--green);
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.socials a:hover { transform: translateY(-3px); background: var(--green); color: var(--cream); }
.socials svg { width: 22px; height: 22px; }

/* widget de don (Fondation du Patrimoine) */
.don-section {
  margin-top: 3.5rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(30, 77, 61, 0.12);
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
}
.don-section p { color: var(--ink-soft); }

.don-widget {
  display: flex;
  justify-content: center;
  margin-top: 1.3rem;
  max-width: 100%;
  overflow-x: auto;
}
.don-widget iframe {
  max-width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

/* formulaire */
.form-card {
  background: var(--paper);
  border: 1px solid rgba(30, 77, 61, 0.1);
  border-radius: var(--radius);
  padding: 1.8rem 1.4rem;
  box-shadow: var(--shadow);
}
@media (min-width: 600px) { .form-card { padding: 2.2rem 2rem; } }

.form-field { margin-bottom: 1.2rem; }
.form-field label {
  display: block;
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 0.35rem;
}
.form-field label .req { color: var(--red); }

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font: inherit;
  color: var(--ink);
  background: var(--cream);
  border: 1.5px solid rgba(30, 77, 61, 0.25);
  border-radius: 10px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  min-height: 48px;
}
.form-field textarea { resize: vertical; min-height: 130px; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--brass);
  box-shadow: 0 0 0 3px rgba(181, 118, 43, 0.18);
}
.form-field.has-error input,
.form-field.has-error textarea { border-color: var(--red); }

.form-error {
  display: none;
  color: var(--red);
  font-size: 0.85rem;
  margin-top: 0.3rem;
}
.form-field.has-error .form-error { display: block; }

.form-consent {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin-bottom: 1.4rem;
}
.form-consent input {
  width: 22px; height: 22px;
  margin-top: 0.15rem;
  accent-color: var(--brass);
  flex: none;
}

.form-status {
  display: none;
  margin-top: 1rem;
  padding: 0.9rem 1.1rem;
  border-radius: 10px;
  font-size: 0.95rem;
}
.form-status.is-ok {
  display: block;
  background: rgba(30, 77, 61, 0.1);
  color: var(--green-deep);
  border: 1px solid rgba(30, 77, 61, 0.25);
}
.form-status.is-error {
  display: block;
  background: rgba(166, 61, 47, 0.08);
  color: var(--red);
  border: 1px solid rgba(166, 61, 47, 0.3);
}

/* --------------------------------------------------------------------------
   Photo d'un voyage (billet de train)
   -------------------------------------------------------------------------- */
.ticket__photo {
  aspect-ratio: 16 / 9;
  background: var(--green-deep);
}
.ticket__photo img { width: 100%; height: 100%; object-fit: cover; display: block; }

.ticket__meta .is-complet { color: var(--red); font-weight: 700; }

/* --------------------------------------------------------------------------
   Partenaires
   -------------------------------------------------------------------------- */
.partner-grid {
  display: grid;
  gap: 1.3rem;
  grid-template-columns: 1fr;
}
@media (min-width: 620px) { .partner-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .partner-grid { grid-template-columns: repeat(3, 1fr); } }

.partner-card {
  background: var(--paper);
  border: 1px solid rgba(30, 77, 61, 0.1);
  border-radius: var(--radius);
  padding: 1.6rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.partner-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.partner-card__logo {
  width: 96px;
  height: 96px;
  margin: 0 auto 1.1rem;
  border-radius: 14px;
  background: var(--cream-2);
  border: 1px solid rgba(30, 77, 61, 0.1);
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 0.6rem;
}
.partner-card__logo img { width: 100%; height: 100%; object-fit: contain; }
.partner-card__initiale {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--brass);
}

.partner-card h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.partner-card__desc { color: var(--ink-soft); font-size: 0.95rem; }
.partner-card__desc p:last-child { margin-bottom: 0; }
.partner-card__lien {
  display: inline-block;
  margin-top: 0.9rem;
  font-weight: 700;
  color: var(--brass);
  text-decoration: none;
}
.partner-card__lien:hover { text-decoration: underline; }

/* --------------------------------------------------------------------------
   Galerie photo
   -------------------------------------------------------------------------- */
.gallery-group { margin-bottom: 3rem; }
.gallery-group:last-child { margin-bottom: 0; }

.gallery-group__title {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin-bottom: 1.1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid rgba(30, 77, 61, 0.12);
}
.gallery-group__title h2 {
  margin: 0;
  font-size: clamp(1.2rem, 4vw, 1.5rem);
}
.gallery-group__count {
  color: var(--ink-soft);
  font-size: 0.88rem;
  white-space: nowrap;
}

.gallery-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 620px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 960px) { .gallery-grid { grid-template-columns: repeat(4, 1fr); } }

.gallery-item {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
  background: var(--green-deep);
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  font: inherit;
}
.gallery-item:hover, .gallery-item:focus-visible { transform: translateY(-4px); box-shadow: var(--shadow); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.gallery-item__label {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 0.55rem 0.7rem 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--cream);
  background: linear-gradient(transparent, rgba(10, 17, 14, 0.85));
  text-align: left;
}

/* Visionneuse plein écran */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(10, 17, 14, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.2rem;
}
.lightbox[hidden] { display: none; }
.lightbox__figure {
  max-width: min(92vw, 1100px);
  max-height: 88vh;
  margin: 0;
  text-align: center;
}
.lightbox__figure img {
  max-width: 100%;
  max-height: 78vh;
  border-radius: 10px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.lightbox__figure figcaption {
  color: var(--cream);
  margin-top: 0.9rem;
  font-size: 0.95rem;
}
.lightbox__close {
  position: absolute;
  top: 1rem; right: 1.2rem;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(246, 241, 230, 0.3);
  background: rgba(246, 241, 230, 0.08);
  color: var(--cream);
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
}
.lightbox__close:hover { background: rgba(246, 241, 230, 0.18); }

/* --------------------------------------------------------------------------
   Pied de page
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--night);
  color: rgba(246, 241, 230, 0.75);
  padding: 3.5rem 0 2rem;
  position: relative;
}
.site-footer::before {
  /* rail décoratif en haut du footer */
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background:
    linear-gradient(90deg, var(--brass), var(--brass)) top / 100% 2px no-repeat,
    repeating-linear-gradient(90deg, rgba(181, 118, 43, 0.55) 0 10px, transparent 10px 26px) bottom / 100% 3px no-repeat;
}

.site-footer h4 {
  color: var(--cream);
  font-size: 1.05rem;
  margin-bottom: 0.8rem;
}
.footer-grid {
  display: grid;
  gap: 2.2rem;
  margin-bottom: 2.5rem;
}
@media (min-width: 680px) { .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; } }

.footer-brand { display: flex; align-items: center; gap: 0.7rem; margin-bottom: 0.8rem; }
.footer-brand svg { width: auto; height: 38px; color: var(--brass-light); }
.footer-brand span {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cream);
}
.site-footer p { font-size: 0.92rem; }

.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 0.55rem; }
.footer-links a {
  color: rgba(246, 241, 230, 0.75);
  text-decoration: none;
  padding: 0.2rem 0;
  display: inline-block;
}
.footer-links a:hover { color: var(--brass-light); }

.site-footer .socials a {
  background: rgba(246, 241, 230, 0.08);
  border-color: rgba(246, 241, 230, 0.15);
  color: var(--cream);
}
.site-footer .socials a:hover { background: var(--brass); color: var(--night); }

.footer-bottom {
  border-top: 1px solid rgba(246, 241, 230, 0.12);
  padding-top: 1.4rem;
  font-size: 0.82rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  color: rgba(246, 241, 230, 0.55);
}

/* --------------------------------------------------------------------------
   Divers
   -------------------------------------------------------------------------- */
.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;
  top: -60px; left: 1rem;
  z-index: 200;
  background: var(--green-deep);
  color: var(--cream);
  padding: 0.7rem 1.2rem;
  border-radius: 0 0 10px 10px;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 0; }

.notice {
  background: rgba(166, 61, 47, 0.08);
  border: 1px solid rgba(166, 61, 47, 0.25);
  border-left: 5px solid var(--red);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  color: var(--ink);
  font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   Accessibilité : mouvement réduit
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}