/* Transversale — site de réservation de démonstration Tramevia. Feuille autonome, aucune dépendance. */
@font-face{font-family:Manrope;src:url(/assets/manrope.woff2) format("woff2");font-weight:200 800;font-display:swap}
@font-face{font-family:Outfit;src:url(/assets/fonts/Outfit-latin.woff2) format("woff2");font-weight:100 900;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Outfit;src:url(/assets/fonts/Outfit-latin-ext.woff2) format("woff2");font-weight:100 900;font-display:swap;unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
:root{
  --ivory:#f7f4ee;--paper:#fff;--sand:#e8dcc4;--sand-soft:#f1eadb;
  --teal:#0f4c5c;--teal-deep:#0a3540;--teal-soft:#dbe9ec;--night:#10202a;
  --amber:#d99a2b;--ink:#172229;--ink-soft:#56646c;--line:rgba(23,34,41,.14);
  --display:Outfit,"Segoe UI",system-ui,sans-serif;--sans:Manrope,system-ui,sans-serif;
  --wrap:1180px;--gutter:clamp(16px,4vw,56px);--ease:cubic-bezier(.2,.7,.2,1);--radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ivory);color:var(--ink);font:16px/1.6 var(--sans);text-wrap:pretty}
[hidden]{display:none!important}
h1,h2,h3,legend,.brand span,.stepper-nav,.train-times strong,.fare strong,.promise strong,.ticket-route strong,.dest-city{font-family:var(--display)}
h1,h2,h3{font-weight:600;letter-spacing:-.02em;margin:0;line-height:1.05;text-wrap:balance}
h2{font-size:clamp(30px,3.6vw,46px)}
h3{font-size:22px}
p{margin:0 0 1em}
a{color:inherit}
img{max-width:100%}
button,input,select{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:8px 12px;z-index:30}
.skip:focus{left:8px}

.demo-banner{display:flex;flex-wrap:wrap;gap:6px 24px;justify-content:center;align-items:center;background:var(--night);color:var(--ivory);font-size:13px;padding:8px var(--gutter)}
.demo-banner p{margin:0}
.demo-banner a{color:var(--ivory);text-underline-offset:3px;min-height:32px;display:inline-flex;align-items:center}

.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:12px var(--gutter);background:color-mix(in srgb,var(--ivory) 88%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.brand span{font-size:24px;font-weight:700;letter-spacing:-.02em}
.site-header nav{display:flex;gap:26px;font-size:15px;font-weight:600}
.site-header nav a{text-decoration:none;min-height:44px;display:inline-flex;align-items:center;border-bottom:2px solid transparent}
.site-header nav a:hover{border-bottom-color:var(--teal)}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:12px 24px;background:var(--teal);color:var(--paper);text-decoration:none;font-weight:700;font-size:15px;border:0;border-radius:10px;cursor:pointer;touch-action:manipulation;transition:background .25s,transform .2s var(--ease),opacity .2s}
.button:hover{background:var(--teal-deep)}
.button:active{transform:scale(.98)}
.button[disabled]{opacity:.45;cursor:not-allowed}
.button.ghost{background:transparent;color:var(--teal);border:1.5px solid var(--teal)}
.button.ghost:hover{background:var(--teal-soft)}
.text-button{background:none;border:0;padding:0;min-height:44px;display:inline-flex;align-items:center;font-weight:700;text-decoration:underline;text-underline-offset:4px;cursor:pointer;color:var(--teal)}

/* Hero : diaporama plein cadre, carte de recherche à cheval sur le bord inférieur. */
.hero{position:relative;background:var(--night);color:var(--ivory);margin-bottom:170px}
.slides{position:relative;height:min(78vh,760px);min-height:520px;overflow:hidden}
.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity 1.1s ease,visibility 0s 1.1s}
.slide.is-active{opacity:1;visibility:visible;transition:opacity 1.1s ease}
.slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.05);transition:transform 10s linear}
.slide.is-active img{transform:scale(1)}
.slide::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,32,42,.1),rgba(16,32,42,0) 30%,rgba(16,32,42,.55) 100%),linear-gradient(90deg,rgba(16,32,42,.5),rgba(16,32,42,0) 55%)}
.slide-copy{position:absolute;left:var(--gutter);right:var(--gutter);top:clamp(48px,10vh,110px);max-width:720px;z-index:1}
.slide-copy h1,.slide-copy h2{font-size:clamp(40px,6.2vw,84px);font-weight:700;margin-bottom:16px;transform:translateY(16px);opacity:0;transition:transform .9s var(--ease) .3s,opacity .9s ease .3s}
.slide-copy p{font-size:clamp(16px,1.6vw,20px);max-width:48ch;color:rgba(247,244,238,.9);transform:translateY(16px);opacity:0;transition:transform .9s var(--ease) .45s,opacity .9s ease .45s}
.slide.is-active .slide-copy h1,.slide.is-active .slide-copy h2,.slide.is-active .slide-copy p{transform:none;opacity:1}
.slide-nav{position:absolute;right:var(--gutter);top:clamp(48px,10vh,110px);display:flex;align-items:center;gap:8px;z-index:2}
.slide-dots{list-style:none;display:flex;gap:4px;margin:0;padding:0}
.slide-dots button{width:44px;height:44px;background:none;border:0;cursor:pointer;display:grid;place-items:center;padding:0}
.slide-dots button span{display:block;width:28px;height:3px;border-radius:2px;background:rgba(247,244,238,.4);font-size:0;transition:background .3s}
.slide-dots button[aria-current] span{background:var(--ivory)}
.slide-pause{min-height:36px;padding:0 14px;border:1px solid rgba(247,244,238,.5);background:rgba(16,32,42,.35);color:var(--ivory);border-radius:999px;font-size:13px;font-weight:600;cursor:pointer;backdrop-filter:blur(6px)}

.search{position:absolute;left:50%;bottom:0;transform:translate(-50%,calc(100% - 64px));width:min(var(--wrap),calc(100% - 2*var(--gutter)));background:var(--paper);color:var(--ink);border-radius:var(--radius);padding:20px 24px 18px;box-shadow:0 30px 60px -30px rgba(16,32,42,.5),0 2px 0 rgba(16,32,42,.04);z-index:3}
.trip-type{display:inline-flex;gap:4px;background:var(--sand-soft);border-radius:999px;padding:3px;margin-bottom:14px}
.trip-type label{position:relative;cursor:pointer}
.trip-type input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.trip-type span{display:inline-flex;align-items:center;min-height:36px;padding:4px 16px;border-radius:999px;font-size:14px;font-weight:700;transition:background .25s,color .25s}
.trip-type input:checked+span{background:var(--ink);color:var(--paper)}
.trip-type input:focus-visible+span{outline:3px solid var(--amber);outline-offset:2px}
.search-row{display:grid;grid-template-columns:1.3fr auto 1.3fr .9fr auto auto;gap:10px;align-items:end}
.search-row:has(#field-return:not([hidden])){grid-template-columns:1.2fr auto 1.2fr .8fr .8fr auto auto}
.field{display:flex;flex-direction:column;gap:4px;min-width:0}
.field label{font-size:12px;font-weight:700;color:var(--ink-soft);letter-spacing:.01em}
.field input,.field select{min-height:50px;padding:10px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--ivory);font-size:15px;width:100%}
.field input:hover,.field select:hover{border-color:var(--ink-soft)}
.swap{width:44px;height:50px;border:1.5px solid var(--line);border-radius:10px;background:var(--ivory);cursor:pointer;display:grid;place-items:center;transition:transform .3s var(--ease)}
.swap:hover{transform:rotate(180deg)}
.stepper{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:10px;background:var(--ivory);min-height:50px}
.stepper button{width:44px;height:48px;border:0;background:none;cursor:pointer;font-size:18px}
.stepper output{min-width:28px;text-align:center;font-weight:700}
.search .button{min-height:50px}
.search-error{margin:10px 0 0;font-size:14px;color:#9b2c2c;font-weight:600;min-height:0}
.search-error:empty{display:none}

/* Réservation */
.booking{max-width:var(--wrap);margin:0 auto;padding:16px var(--gutter) 72px}
.stepper-nav{list-style:none;margin:0 0 28px;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;font-size:14px;font-weight:600;color:var(--ink-soft)}
.stepper-nav li{display:flex;align-items:center;gap:10px;padding-bottom:12px;border-bottom:3px solid var(--line)}
.stepper-nav li span{width:28px;height:28px;border-radius:999px;border:1.5px solid currentColor;display:grid;place-items:center;font-size:13px}
.stepper-nav li.is-current{color:var(--teal);border-bottom-color:var(--teal)}
.stepper-nav li.is-current span{background:var(--teal);color:var(--paper);border-color:var(--teal)}
.stepper-nav li.is-done{color:var(--ink);border-bottom-color:var(--teal)}
.leg{margin-bottom:36px}
.leg h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:6px}
.leg-note{color:var(--ink-soft);margin-bottom:20px}
.trains{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.train{display:grid;grid-template-columns:minmax(220px,.9fr) 1.6fr;gap:16px 24px;align-items:center;background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius);padding:18px 20px;transition:border-color .25s,box-shadow .25s}
.train.is-chosen{border-color:var(--teal);box-shadow:0 16px 40px -28px rgba(15,76,92,.6)}
.train-times{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;font-size:26px}
.train-line{height:2px;background:var(--ink);position:relative}
.train-line::after{content:"";position:absolute;right:-2px;top:-4px;width:8px;height:8px;border-radius:999px;background:var(--ink)}
.train-meta{grid-column:1/-1;font-size:14px;color:var(--ink-soft)}
.train-meta em{font-style:normal;color:var(--amber);font-weight:700}
.fares{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.fare{display:flex;flex-direction:column;gap:2px;align-items:flex-start;text-align:left;padding:10px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--ivory);cursor:pointer;min-height:84px;transition:border-color .25s,background .25s,color .25s}
.fare b{font-size:13px;font-weight:700;color:var(--ink-soft)}
.fare strong{font-size:22px;line-height:1.1}
.fare small{font-size:12px;color:var(--ink-soft)}
.fare:hover{border-color:var(--teal)}
.fare.is-chosen{background:var(--teal);border-color:var(--teal);color:var(--paper)}
.fare.is-chosen b,.fare.is-chosen small{color:rgba(255,255,255,.8)}
.fare.is-full{cursor:default;opacity:.55;justify-content:center}
.booking-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px;margin-top:8px}
.booking-hint{margin:0;font-size:14px;color:var(--ink-soft)}

.coach-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.coach-tabs button{min-height:44px;padding:8px 16px;border:1.5px solid var(--line);border-radius:999px;background:var(--paper);cursor:pointer;font-weight:600;font-size:14px}
.coach-tabs button[aria-pressed=true]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.seatmap-wrap{background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius);padding:20px}
.seat-count{display:flex;flex-wrap:wrap;gap:4px 16px;align-items:center;font-weight:600;margin-bottom:16px}
.coach{overflow-x:auto;padding:4px 0 10px;display:grid;grid-template-columns:max-content}
.coach-nose{font-size:12px;color:var(--ink-soft);text-align:right;margin-bottom:6px;padding-right:6px}
.coach-grid{display:grid;grid-template-columns:repeat(12,36px);gap:6px;padding:14px;border:2px solid var(--ink);border-radius:22px 60px 60px 22px;width:max-content;background:var(--ivory)}
.aisle{grid-column:1/-1;height:10px}
.seat{width:36px;height:36px;border-radius:9px 9px 5px 5px;border:1.5px solid var(--teal);background:var(--paper);color:var(--teal);font-size:11px;font-weight:700;cursor:pointer;padding:0;transition:background .2s,transform .2s var(--ease)}
.seat:hover:not([disabled]){transform:translateY(-2px);background:var(--teal-soft)}
.seat.is-window{border-color:var(--teal);box-shadow:inset 0 3px 0 var(--sand)}
.seat.is-taken{background:var(--line);border-color:transparent;color:transparent;cursor:not-allowed}
.seat.is-chosen{background:var(--amber);border-color:var(--amber);color:var(--ink)}
.legend{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:var(--ink-soft)}
.legend li{display:inline-flex;align-items:center;gap:8px}
.legend .seat{width:20px;height:20px;cursor:default;font-size:0}
.chosen-seats{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px;font-size:14px;font-weight:600}
.chosen-seats li{background:var(--sand-soft);border-radius:999px;padding:6px 12px}
.chosen-seats:empty{display:none}

.passengers{display:grid;gap:16px}
.passengers fieldset{border:1.5px solid var(--line);border-radius:var(--radius);background:var(--paper);padding:16px 20px 20px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.passengers legend{font-weight:700;padding:0 6px}
.passengers fieldset:last-of-type{grid-template-columns:1fr}

.tickets .ticket-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;margin-bottom:24px}
.ticket{background:var(--paper);border-radius:var(--radius);border:1.5px solid var(--line);padding:18px 20px;position:relative;overflow:hidden;animation:ticket .6s var(--ease) both}
.ticket:nth-child(2){animation-delay:.08s}.ticket:nth-child(3){animation-delay:.16s}.ticket:nth-child(4){animation-delay:.24s}
@keyframes ticket{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.ticket::before{content:"";position:absolute;left:0;right:0;top:56px;border-top:2px dashed var(--line)}
.ticket-head{display:flex;justify-content:space-between;font-weight:700;color:var(--teal);margin-bottom:22px;font-size:14px}
.ticket-route{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.ticket-route div{display:flex;flex-direction:column}
.ticket-route strong{font-size:28px;line-height:1}
.ticket-route span{font-size:13px;color:var(--ink-soft)}
.ticket-arrow{color:var(--ink-soft);flex:0 0 auto}
.ticket-facts{margin:0 0 12px;display:grid;grid-template-columns:1fr 1fr;gap:10px 16px;font-size:14px}
.ticket-facts dt{font-size:12px;color:var(--ink-soft)}
.ticket-facts dd{margin:0;font-weight:600}
.ticket-code{position:absolute;right:20px;bottom:18px;color:var(--ink)}
.ticket-fine{font-size:12px;color:var(--ink-soft);margin:0}
.ticket-total{font-weight:700;font-size:18px;margin:0}

.confetti{position:fixed;inset:0;pointer-events:none;z-index:50;overflow:hidden}
.confetti i{position:absolute;top:-16px;left:var(--x);width:8px;height:14px;border-radius:2px;background:hsl(var(--h) 70% 55%);animation:fall 2.2s var(--d) ease-in forwards}
@keyframes fall{to{transform:translateY(110vh) rotate(540deg);opacity:.6}}

/* Destinations : un carrousel à défilement horizontal. */
.destinations{padding:72px 0}
.section-head{max-width:var(--wrap);margin:0 auto 28px;padding:0 var(--gutter);display:grid;grid-template-columns:1fr auto;gap:12px 32px;align-items:end}
.section-head p{grid-column:1;color:var(--ink-soft);max-width:60ch;margin:0}
.carousel-nav{grid-column:2;grid-row:1/3;display:flex;gap:8px}
.carousel-nav button{width:48px;height:48px;border-radius:999px;border:1.5px solid var(--ink);background:var(--paper);cursor:pointer;display:grid;place-items:center;transition:background .25s,color .25s}
.carousel-nav button:hover{background:var(--ink);color:var(--paper)}
.destination-track{list-style:none;margin:0;padding:4px max(var(--gutter),calc((100vw - var(--wrap))/2 + var(--gutter))) 16px;display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}
.destination-track::-webkit-scrollbar{display:none}
.destination-track li{flex:0 0 min(320px,78vw);scroll-snap-align:start}
.destination-track button{display:block;width:100%;padding:0;border:0;background:none;cursor:pointer;text-align:left;position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:3/4;color:var(--ivory)}
.destination-track img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.destination-track button:hover img{transform:scale(1.05)}
.destination-track button::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,32,42,0) 45%,rgba(16,32,42,.8) 100%)}
.dest-copy{position:absolute;left:20px;right:20px;bottom:18px;z-index:1;display:flex;flex-direction:column;gap:4px}
.dest-city{font-size:32px;font-weight:700;letter-spacing:-.02em;line-height:1}
.dest-meta{font-size:14px;color:rgba(247,244,238,.85)}

.onboard{max-width:var(--wrap);margin:0 auto;padding:40px var(--gutter) 80px;display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.onboard-figure{margin:0}
.onboard-figure img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius)}
.onboard-list{margin:24px 0 0;display:grid;gap:0}
.onboard-list div{padding:14px 0;border-top:1px solid var(--line)}
.onboard-list dt{font-weight:700;margin-bottom:2px}
.onboard-list dd{margin:0;color:var(--ink-soft);font-size:15px}

.promise{background:var(--teal);color:var(--ivory);padding:56px var(--gutter)}
.promise ul{list-style:none;margin:0 auto;padding:0;max-width:var(--wrap);display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.promise li{display:grid;gap:6px;padding-left:18px;border-left:2px solid rgba(247,244,238,.35)}
.promise strong{font-size:clamp(40px,5vw,64px);font-weight:600;line-height:1;letter-spacing:-.03em}
.promise span{font-size:15px;color:rgba(247,244,238,.85);max-width:30ch}

.faq{max-width:760px;margin:0 auto;padding:80px var(--gutter)}
.faq h2{margin-bottom:20px}
.faq details{border-top:1px solid var(--line);padding:14px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center;min-height:36px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--display);font-size:26px;font-weight:300;transition:transform .3s;flex:0 0 auto}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:10px 0 0;color:var(--ink-soft)}

.site-footer{padding:40px var(--gutter);font-size:13px;color:var(--ink-soft);max-width:var(--wrap);margin:0 auto}
.site-footer p{margin:0 0 6px}

@media(max-width:1000px){
  .site-header nav{display:none}
  .search-row,.search-row:has(#field-return:not([hidden])){grid-template-columns:1fr auto 1fr;}
  .search-row .field-pax,.search-row .button{grid-column:auto}
  .train{grid-template-columns:1fr}
  .onboard{grid-template-columns:1fr;gap:28px}
  .passengers fieldset{grid-template-columns:1fr 1fr}
  .passengers fieldset .field:last-child{grid-column:1/-1}
}
@media(max-width:720px){
  .hero{margin-bottom:0}
  .slides{height:min(70vh,560px);min-height:460px}
  .slide-copy{top:auto;bottom:40px}
  .slide-copy h1,.slide-copy h2{font-size:clamp(34px,10vw,48px)}
  .slide-nav{top:16px;right:var(--gutter)}
  .slide-pause{display:none}
  .search{position:relative;left:auto;bottom:auto;transform:none;width:auto;margin:-28px var(--gutter) 0;border-radius:var(--radius)}
  .search-row,.search-row:has(#field-return:not([hidden])){grid-template-columns:1fr 1fr}
  .search-row .swap{display:none}
  .search-row .button{grid-column:1/-1}
  .stepper-nav{grid-template-columns:repeat(4,auto);font-size:0;gap:6px}
  .stepper-nav li{padding-bottom:8px}
  .stepper-nav li.is-current{font-size:14px}
  .fares{grid-template-columns:1fr}
  .fare{flex-direction:row;align-items:center;justify-content:space-between;flex-wrap:wrap;min-height:0}
  .fare small{width:100%}
  .train-times{font-size:22px}
  .passengers fieldset{grid-template-columns:1fr}
  .promise ul{grid-template-columns:1fr;gap:20px}
  .section-head{grid-template-columns:1fr}
  .carousel-nav{grid-column:1;grid-row:auto}
  .destinations,.faq{padding-block:56px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:0s!important;animation-duration:0s!important}
  .slide img{transform:none}
}