/* =========================================================
   Voies Oubliées — feuille de style
   Direction : atlas ferroviaire / éditorial patrimoine.
   Papier chaud, encre, filets fins, serif à caractère.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400..700;1,9..144,400..600&display=swap');

:root{
  color-scheme: light;
  --page:#f5f1e8;            /* papier */
  --surface-1:#fdfbf5;       /* carton clair */
  --ink-1:#211d14;           /* encre */
  --ink-2:#57503f;
  --ink-3:#8b8269;
  --hairline:#ddd5c0;
  --border:rgba(33,29,20,.14);
  --accent:#a63d16;          /* rouille éditoriale (liens, repères) */
  --accent-ink:#8c3312;
  --c-disused:#2a78d6;   /* voie encore en place  (ne pas changer : hexa repris dans les cartes) */
  --c-abandoned:#eb6834; /* abandonnée */
  --c-razed:#4a3aa7;     /* démantelée / disparue */
  --radius:4px;
  --max:1120px;
  --serif:"Fraunces","Iowan Old Style",Georgia,"Times New Roman",serif;
  --sans:system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0;background:var(--page);color:var(--ink-1);
  font-family:var(--sans);}
body{min-height:100vh;display:flex;flex-direction:column;
  background-image:
    radial-gradient(rgba(33,29,20,.028) 1px, transparent 1.4px);
  background-size:26px 26px;}
a{color:inherit}
img{max-width:100%;display:block}
::selection{background:#efd9b8;color:var(--ink-1)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}

/* ---- nav ---- */
#topnav{position:sticky;top:0;z-index:50;background:var(--surface-1);
  border-bottom:1px solid var(--hairline);
  box-shadow:0 1px 0 rgba(33,29,20,.03);}
#topnav .wrap{max-width:var(--max);margin:0 auto;display:flex;align-items:center;
  gap:20px;padding:10px 20px;}
#topnav .brand{font-family:var(--serif);font-weight:600;font-size:18px;
  letter-spacing:.005em;font-variation-settings:"opsz" 40;
  text-decoration:none;display:flex;align-items:center;gap:9px;white-space:nowrap}
#topnav .brand .mark{width:22px;height:22px;border-radius:50%;flex:none;
  background:
    repeating-linear-gradient(90deg, var(--page) 0 1.6px, transparent 1.6px 4.4px) 50% 50% / 13px 9px no-repeat,
    linear-gradient(var(--page),var(--page)) 50% 7px / 15px 1.6px no-repeat,
    linear-gradient(var(--page),var(--page)) 50% 13.4px / 15px 1.6px no-repeat,
    var(--ink-1);}
#topnav nav{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;
  -webkit-overflow-scrolling:touch}
#topnav nav::-webkit-scrollbar{display:none}
#topnav nav a{font-size:13.5px;color:var(--ink-2);text-decoration:none;
  padding:9px 10px;font-weight:500;white-space:nowrap;
  border-bottom:2px solid transparent;margin-bottom:-11px;padding-bottom:17px}
#topnav nav a:hover{color:var(--ink-1)}
#topnav nav a.active{color:var(--ink-1);border-bottom-color:var(--accent)}
#topnav .spacer{flex:1}
#topnav .cta{font-size:12.5px;font-weight:600;background:var(--ink-1);color:var(--surface-1);
  padding:8px 15px;border-radius:var(--radius);text-decoration:none;white-space:nowrap;
  letter-spacing:.01em}
#topnav .cta:hover{background:var(--accent-ink)}
@media (max-width:700px){ #topnav .cta{display:none} }

/* ---- footer ---- */
footer.site{margin-top:auto;background:var(--surface-1);
  border-top:3px double var(--hairline);padding:30px 20px 22px;}
footer.site .wrap{max-width:var(--max);margin:0 auto;display:flex;flex-wrap:wrap;
  gap:30px;justify-content:space-between}
footer.site h4{margin:0 0 9px;font-size:11.5px;color:var(--ink-3);font-weight:600;
  text-transform:uppercase;letter-spacing:.08em}
footer.site ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px}
footer.site a{font-size:13px;color:var(--ink-2);text-decoration:none}
footer.site a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
footer.site .attribution{max-width:var(--max);margin:24px auto 0;padding-top:14px;
  border-top:1px solid var(--hairline);font-size:11.5px;color:var(--ink-3);line-height:1.65}

/* ---- generic layout ---- */
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
main{flex:1}
.section{padding:56px 0}
.section.tight{padding:34px 0}
.eyebrow{font-size:11.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);flex:none}
h1{font-family:var(--serif);font-weight:560;font-variation-settings:"opsz" 90;
  font-size:clamp(30px,4.6vw,48px);line-height:1.06;letter-spacing:-.005em;margin:12px 0 16px}
h2{font-family:var(--serif);font-weight:560;font-variation-settings:"opsz" 60;
  font-size:26px;letter-spacing:0;line-height:1.15;margin:0 0 8px}
h3{font-family:var(--serif);font-weight:600}
.lede{font-size:16.5px;color:var(--ink-2);line-height:1.65;max-width:640px}
.btn{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;
  padding:11px 18px;border-radius:var(--radius);text-decoration:none;
  border:1px solid transparent;letter-spacing:.01em;
  transition:background-color .15s,border-color .15s,color .15s}
.btn.dark{background:var(--ink-1);color:var(--surface-1)}
.btn.ghost{background:transparent;border-color:var(--border);color:var(--ink-1)}
.btn.dark:hover{background:var(--accent-ink)}
.btn.ghost:hover{border-color:var(--ink-2);background:var(--surface-1)}

/* ---- hero ---- */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:58px 0 44px}
.hero .actions{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap}
.hero-map{height:380px;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--hairline);outline:4px solid var(--surface-1);
  box-shadow:0 1px 2px rgba(33,29,20,.08),0 12px 32px -18px rgba(33,29,20,.35)}
@media (max-width:860px){.hero{grid-template-columns:1fr}.hero-map{height:280px}}

/* ---- legend chips ---- */
.legend{display:flex;flex-wrap:wrap;gap:16px;margin-top:18px}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--ink-2)}
.swatch{width:20px;height:0;border-top:3px solid;border-radius:2px}
.swatch.dash{border-top-style:dashed}
.dot{width:9px;height:9px;border-radius:50%;background:var(--ink-1);
  box-shadow:0 0 0 2px var(--surface-1),0 0 0 3px var(--border)}

/* ---- cards grid ---- */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin-top:26px}
.card{background:var(--surface-1);border:1px solid var(--hairline);border-radius:var(--radius);
  padding:18px 18px 16px;text-decoration:none;color:inherit;
  display:flex;flex-direction:column;gap:7px;position:relative;
  transition:border-color .15s,transform .15s,box-shadow .15s}
.card:hover{border-color:var(--ink-3);transform:translateY(-1px);
  box-shadow:0 6px 18px -12px rgba(33,29,20,.4)}
.card .tag{font-size:10.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;
  color:var(--accent)}
.card h3{margin:0;font-size:17.5px;line-height:1.25;font-variation-settings:"opsz" 30}
.card:hover h3{text-decoration:underline;text-underline-offset:3px;
  text-decoration-thickness:1px;text-decoration-color:var(--ink-3)}
.card p{margin:0;font-size:13px;color:var(--ink-2);line-height:1.55}

/* ---- persona / feature strip ---- */
.strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:28px;
  border-top:1px solid var(--hairline)}
@media (max-width:960px){.strip{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.strip{grid-template-columns:1fr}}
.strip .item{padding:18px 20px 16px 0;background:transparent;border:0;
  border-top:2px solid var(--ink-1);margin-top:-1px}
.strip .item .n{font-family:var(--serif);font-size:30px;font-weight:560;
  font-variation-settings:"opsz" 70;color:var(--ink-1);line-height:1;
  font-variant-numeric:tabular-nums}
.strip .item .n svg{width:26px;height:26px;stroke:var(--accent)}
.strip .item h4{margin:9px 0 5px;font-size:13.5px;font-weight:600}
.strip .item p{margin:0;font-size:12.5px;color:var(--ink-2);line-height:1.55}

/* ---- line detail page ---- */
.line-hero{padding:38px 0 8px}
.line-map{height:420px;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--hairline);outline:4px solid var(--surface-1);margin-top:22px;
  box-shadow:0 1px 2px rgba(33,29,20,.08)}
.status-badge{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;
  padding:5px 12px;border-radius:99px;background:var(--surface-1);
  border:1px solid var(--hairline);color:var(--ink-2);letter-spacing:.02em}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--hairline);
  border:1px solid var(--hairline);border-radius:var(--radius);overflow:hidden;margin-top:22px}
@media (max-width:760px){.facts{grid-template-columns:repeat(2,1fr)}}
.facts .f{background:var(--surface-1);padding:14px 16px}
.facts .f .l{font-size:10.5px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.08em;
  font-weight:600}
.facts .f .v{font-family:var(--serif);font-size:17px;font-weight:560;margin-top:4px;
  font-variant-numeric:tabular-nums;font-variation-settings:"opsz" 40}
.prose{max-width:700px;font-size:16px;line-height:1.8;color:var(--ink-1)}
.prose p{font-family:var(--serif);font-weight:440;font-variation-settings:"opsz" 12;
  color:#332e22}
.prose h2{color:var(--ink-1);margin-top:38px;padding-top:0}
.prose h2::after{content:"";display:block;width:34px;height:2px;background:var(--accent);
  margin-top:8px}
.prose a{color:var(--accent-ink);text-decoration:underline;text-underline-offset:3px;
  text-decoration-thickness:1px}
.prose a:hover{color:var(--ink-1)}
.station-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.station-list a{font-size:13px;padding:8px 14px;border-radius:99px;background:var(--surface-1);
  border:1px solid var(--hairline);text-decoration:none;color:var(--ink-1);
  transition:border-color .15s,background-color .15s}
.station-list a:hover{border-color:var(--accent);color:var(--accent-ink)}
.today-box{margin-top:26px;padding:18px 20px;border-radius:var(--radius);
  background:#eef1e0;border:1px solid #d0d6ae;border-left:3px solid #7c8a3e}
.today-box h3{margin:0 0 5px;font-size:15px;font-variation-settings:"opsz" 30}
.today-box p{margin:0;font-size:13.5px;color:var(--ink-2);line-height:1.65}
.founder{margin-top:30px;display:flex;gap:20px;align-items:flex-start;padding:22px 24px;
  border-radius:var(--radius);background:var(--surface-1);border:1px solid var(--hairline);
  border-left:3px solid var(--accent)}
.founder .portrait{flex:none;width:76px;height:76px;border-radius:50%;background:#251f13;
  color:#f5f1e8;display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:32px;font-variation-settings:"opsz" 30;line-height:1;
  box-shadow:inset 0 0 0 4px rgba(245,241,232,.08)}
.founder .who{min-width:0}
.founder .name{margin:0;font-size:17px;font-variation-settings:"opsz" 30;color:var(--ink-1)}
.founder .role{margin:2px 0 10px;font-size:11.5px;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-3)}
.founder blockquote{margin:0;font-family:var(--serif);font-size:14.5px;line-height:1.7;
  color:var(--ink-2);font-style:italic}
@media (max-width:560px){.founder{flex-direction:column;gap:14px}}
.founder-credit{font-style:italic}
.shop-cta{margin-top:28px;padding:20px 22px;border-radius:var(--radius);background:#251f13;
  color:#f5f1e8;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  background-image:repeating-linear-gradient(90deg,transparent 0 14px,rgba(245,241,232,.05) 14px 16px)}
.shop-cta h3{margin:0 0 4px;font-size:17px;font-variation-settings:"opsz" 30}
.shop-cta p{margin:0;font-size:13px;color:#bdb49c}
.shop-cta .btn{background:#f5f1e8;color:var(--ink-1)}
.shop-cta .btn:hover{background:#fff}
.sources{margin-top:32px;padding-top:14px;border-top:1px solid var(--hairline);
  font-size:12px;color:var(--ink-3);line-height:1.7}
.sources a{color:var(--ink-2)}

/* ---- boutique ---- */
.product{display:grid;grid-template-columns:1fr 1fr;gap:44px;padding:40px 0}
@media (max-width:860px){.product{grid-template-columns:1fr}}
.product .mock{aspect-ratio:4/5;border-radius:var(--radius);border:1px solid var(--hairline);
  outline:4px solid var(--surface-1);background:var(--surface-1);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
  box-shadow:0 12px 32px -18px rgba(33,29,20,.35)}
.price{font-family:var(--serif);font-size:30px;font-weight:560;margin:14px 0;
  font-variation-settings:"opsz" 60}
.opts{display:flex;flex-direction:column;gap:10px;margin:18px 0}
.opts label{font-size:12.5px;font-weight:600;color:var(--ink-2)}
.opts select,.opts input{font-size:14px;padding:10px 11px;border:1px solid var(--hairline);
  border-radius:var(--radius);background:var(--surface-1);font-family:inherit;color:var(--ink-1)}
.opts select:focus,.opts input:focus{outline:2px solid var(--accent);outline-offset:1px}
.notice{margin-top:16px;font-size:12.5px;color:var(--ink-3);line-height:1.65;padding:13px 15px;
  background:var(--page);border-radius:var(--radius);border:1px solid var(--hairline)}

/* ---- page header (carte, boutique index, a-propos) ---- */
.pageheader{padding:38px 0 26px;border-bottom:1px solid var(--hairline);background:var(--surface-1)}
.pageheader h1{font-size:clamp(26px,3.4vw,34px);margin:10px 0 8px}
.pageheader p{margin:0;font-size:14px;color:var(--ink-2);max-width:640px;line-height:1.65}

/* ---- leaflet, en accord avec la charte ---- */
.leaflet-container{font-family:var(--sans)}
.leaflet-tooltip{font-family:var(--sans);font-size:12px}