/* Congrès GOB 2027 · feuille de style du site public
   Bande bleue verticale de l'affiche à gauche (en haut sur mobile), contenu centré, sections en bandes alternées */
/* Layout : bande bleue verticale de l'affiche à gauche (en haut sur mobile), colonne de contenu, sections en bandes alternées */
:root{
  --navy:#16284a; --accent:#2f5d9e; --ground:#f3f4f7; --panel:#e6eaf1; --card:#ffffff;
  --muted:#4a5670; --line:#c9d3e3; --nl:#6b7891; --ok:#1f6b45; --okbg:#e4f1ea;
  --sans:'Archivo','Helvetica Neue',Arial,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{background:var(--ground);color:var(--navy);font-family:var(--sans);font-size:17px;line-height:1.55;-webkit-text-size-adjust:100%}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--card)}
h1,h2,h3,p,ul,ol,fieldset,legend,dl,dd{margin:0}
h1,h2,h3{text-wrap:balance;line-height:1.1}
a{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* Bande verticale */
.band{position:fixed;left:0;top:0;bottom:0;width:72px;background:var(--accent);display:flex;align-items:center;justify-content:center;z-index:5;padding-left:env(safe-area-inset-left,0px)}
.band span{writing-mode:vertical-rl;transform:rotate(180deg);color:#fff;font-weight:800;font-size:26px;letter-spacing:.18em;font-variant-numeric:tabular-nums;white-space:nowrap}
.page{margin-left:72px}
.wrap{max-width:1080px;margin:0 auto;padding-left:max(32px,env(safe-area-inset-left,0px));padding-right:max(32px,env(safe-area-inset-right,0px))}

/* En-tête */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:4;background:var(--card);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;gap:12px 24px;padding-block:10px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy)}
.brand img{width:44px;height:44px}
.brand b{font-size:13px;letter-spacing:.08em;text-transform:uppercase;line-height:1.25}
.tabs{display:flex;gap:2px;overflow-x:auto;flex:1;min-width:0;scrollbar-width:none;align-self:stretch;align-items:stretch}
.tabs::-webkit-scrollbar{display:none}
.tabs a{flex:none;display:flex;align-items:center;color:var(--muted);text-decoration:none;font-weight:700;font-size:15px;padding:0 12px;border-bottom:3px solid transparent;white-space:nowrap}
.tabs a:hover{color:var(--navy)}
.tabs a[aria-current="page"]{color:var(--navy);border-color:var(--accent)}
.cap{display:grid;gap:5px;margin-top:4px}
.cap .bar{height:6px;background:var(--line);border-radius:3px;overflow:hidden}
.cap .bar i{display:block;height:100%;background:var(--c)}
.cap span{font-size:12.5px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums}
.cap.low span{color:#9a5a00}
.room.full{opacity:.55;cursor:not-allowed}
.room.full .cap span{color:#9b2c2c}
.cell .cap span{font-size:12px}
.btn.sm{padding:9px 16px;font-size:15px}
.lang{display:flex;border:1px solid var(--line);border-radius:4px;overflow:hidden;font-size:13px;font-weight:700}
.lang>*{display:block;padding:5px 10px;text-decoration:none;line-height:1.2}
.lang .on{background:var(--navy);color:#fff}
.lang .off{color:var(--nl)}

/* Ouverture */
.hero{background:var(--card);padding-block:72px;border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:64px;align-items:center}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.hero h1{font-size:clamp(48px,6.4vw,84px);font-weight:800;letter-spacing:-.025em;line-height:.98}
.hero .sub{font-size:clamp(24px,2.8vw,34px);font-style:italic;color:var(--accent);margin-top:14px;line-height:1.15}
.facts{display:grid;gap:22px;background:var(--ground);padding:28px 30px;border-top:4px solid var(--accent)}
.facts dt{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.facts dd{font-size:19px;font-weight:700;line-height:1.3;margin-top:2px}
.facts dd small{display:block;font-size:15px;font-weight:400;color:var(--muted)}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:700;font-size:16px;padding:13px 22px;border-radius:4px;border:2px solid var(--navy);background:var(--navy);color:#fff;text-decoration:none;cursor:pointer}
.btn.ghost{background:transparent;color:var(--navy)}
.btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}

/* Sections */
section.blk{padding-block:72px}
section.alt{background:var(--panel)}
.blk h2{font-size:clamp(34px,4.6vw,52px);font-weight:800;letter-spacing:-.015em;margin-top:10px}
.lead{font-size:20px;max-width:62ch;margin-top:18px;color:var(--navy)}
.prose{max-width:66ch;display:grid;gap:14px;margin-top:18px}
.draft{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#7a4a00;background:#f6e7c8;padding:3px 8px;border-radius:3px;margin-top:14px}

/* Trois verbes */
.verbs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:40px}
.verb{background:var(--card);padding:26px;border-top:4px solid var(--navy);display:grid;gap:10px;align-content:start}
.verb h3{font-size:28px;font-weight:800}
.verb p{color:var(--muted)}
.tools{margin-top:40px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
.tool{background:var(--card);padding:16px;display:grid;gap:4px}
.tool b{font-size:17px}
.tool span{font-size:14px;color:var(--muted);line-height:1.4}

/* Programme */
.day{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:48px;margin-top:36px;align-items:start}
.timeline{list-style:none;padding:0;display:grid}
.timeline li{display:grid;grid-template-columns:72px minmax(0,1fr);gap:14px;padding:11px 0;border-bottom:1px solid var(--line)}
.timeline time{font-weight:800;font-variant-numeric:tabular-nums}
.timeline li.s{color:var(--accent);font-weight:700}
.grid12{overflow-x:auto}
.g{display:grid;grid-template-columns:62px repeat(3,minmax(150px,1fr));gap:8px;min-width:560px}
.g .tn{display:block;font-size:17px;letter-spacing:0;text-transform:none;color:var(--navy);margin-bottom:2px}
.g .hd{font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;padding-bottom:2px}
.g .t{font-weight:800;font-variant-numeric:tabular-nums;padding-top:12px}
.cell{background:var(--card);padding:12px 14px;border-top:4px solid var(--c);display:grid;gap:4px;align-content:start}
.cell b{font-size:15px;line-height:1.25}
.cell i{font-size:13.5px;color:var(--accent);line-height:1.3}
.r-bi{--c:var(--accent)} .r-fr{--c:var(--navy)} .r-nl{--c:var(--nl)}
.format{margin-top:48px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2px}
.format div{background:var(--navy);color:#fff;padding:16px 18px;display:grid;gap:2px}
.format div:nth-child(1),.format div:nth-child(4){background:var(--line);color:var(--navy)}
.format div:nth-child(3){background:var(--accent)}
.format b{font-size:24px;font-weight:800}
.format span{font-size:14.5px;line-height:1.35}
.note{font-size:15px;color:var(--muted);margin-top:14px;max-width:70ch}

/* Formulaires */
form{display:grid;gap:28px;margin-top:36px}
.card{background:var(--card);padding:28px;display:grid;gap:20px;border:1px solid var(--line)}
.card>h3{font-size:22px;font-weight:800;display:flex;gap:12px;align-items:baseline}
.card>h3 small{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 20px}
.f{display:grid;gap:6px;min-width:0}
.f.full{grid-column:1/-1}
label,.lbl{font-size:14px;font-weight:700}
.hint{font-size:13.5px;color:var(--muted);font-weight:400}
input[type=text],input[type=email],input[type=tel],input[type=number],select,textarea{font:inherit;font-size:16px;color:var(--navy);background:var(--ground);border:1px solid var(--line);border-bottom:2px solid var(--navy);border-radius:3px;padding:11px 12px;width:100%}
textarea{min-height:140px;resize:vertical}
fieldset{border:0;padding:0;min-width:0}
legend{padding:0}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg label{display:flex;align-items:center;gap:8px;border:1px solid var(--line);padding:10px 14px;border-radius:4px;cursor:pointer;font-weight:600;background:var(--ground)}
.seg label:has(input:checked){border-color:var(--navy);background:var(--card);box-shadow:inset 0 0 0 1px var(--navy)}
.slot{display:grid;gap:12px;padding-top:6px}
.slot+.slot{border-top:1px solid var(--line);padding-top:22px}
.slot legend{float:left;width:100%;display:flex;gap:14px;align-items:baseline;flex-wrap:wrap;font-size:18px;font-weight:800;margin-bottom:12px}
.slot legend time{color:var(--accent);font-variant-numeric:tabular-nums}
.slot legend span{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.rooms{clear:both;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.room{position:relative;display:grid;gap:4px;align-content:start;background:var(--ground);border:1px solid var(--line);border-top:3px solid var(--c);padding:12px 12px 12px 40px;cursor:pointer;font-weight:400}
.room input{position:absolute;left:12px;top:14px;width:18px;height:18px;accent-color:var(--navy)}
.room:has(input:checked){background:var(--card);box-shadow:0 0 0 2px var(--navy)}
.room .rl{font-size:11.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--c)}
.room b{font-size:16px;line-height:1.25}
.room i{font-size:14px;color:var(--accent);line-height:1.3}
.room .meta{font-size:13px;color:var(--muted)}
.pay{display:grid;grid-template-columns:auto minmax(0,1fr);gap:24px;align-items:center;background:var(--ground);padding:20px;border:1px dashed var(--line)}
.pay canvas,.pay .qr{width:150px;height:150px;background:#fff;padding:8px}
.pay dl{display:grid;grid-template-columns:auto minmax(0,1fr);gap:6px 16px;font-size:15px}
.pay dt{color:var(--muted)}
.pay dd{font-weight:700;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.copy{font:inherit;font-size:12px;font-weight:700;border:1px solid var(--line);background:var(--card);border-radius:3px;padding:2px 8px;margin-left:8px;cursor:pointer;color:var(--navy)}
.submit{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.consent{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:14.5px}
.consent input{margin-top:4px}
.done{background:var(--okbg);border:1px solid var(--ok);padding:24px;display:grid;gap:10px}
.done h3{font-size:22px;color:var(--ok)}
.done ul{padding-left:20px;display:grid;gap:4px}
.mock{font-size:13.5px;color:var(--muted)}
.bad{border-color:#9b2c2c!important;background:#fbeaea!important}
.count{font-size:13px;color:var(--muted);text-align:right;font-variant-numeric:tabular-nums}

/* FAQ */
.faq{margin-top:32px;display:grid;border-top:2px solid var(--navy)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:18px 40px 18px 0;font-size:18px;font-weight:700;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:14px;font-size:26px;font-weight:400;color:var(--accent)}
.faq details[open] summary::after{content:"−"}
.faq details>div{padding:0 0 20px;max-width:68ch;display:grid;gap:10px;color:var(--muted)}

footer{background:var(--navy);color:#dfe5ef;padding-block:44px}
footer .wrap{display:flex;gap:24px 48px;flex-wrap:wrap;justify-content:space-between;font-size:15px}
footer b{color:#fff}

@media (max-width:860px){
  .band{top:0;bottom:auto;left:0;right:0;width:auto;height:40px;padding-left:0;top:env(safe-area-inset-top,0px)}
  .band span{writing-mode:horizontal-tb;transform:none;font-size:16px}
  .page{margin-left:0;padding-top:40px}
  header{top:calc(40px + env(safe-area-inset-top,0px))}
  .wrap{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
  .hero .wrap,.day{grid-template-columns:minmax(0,1fr)}
  .verbs,.rooms{grid-template-columns:minmax(0,1fr)}
  .tools{grid-template-columns:repeat(2,minmax(0,1fr))}
  .format{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .row{grid-template-columns:minmax(0,1fr)}
  .pay{grid-template-columns:minmax(0,1fr);justify-items:start}
  .brand{margin-right:auto}
  .brand b{display:none}
  .tabs{order:3;flex:0 0 100%;align-self:auto}
  .tabs a{padding:10px 10px 9px;font-size:14px}
  section.blk{padding-block:52px}
  .card{padding:20px}
}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}

.done.err{background:#fbeaea;border-color:#9b2c2c}
.done.err h3{color:#9b2c2c}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.btn[disabled]{opacity:.55;cursor:wait}
.pay.after{grid-template-columns:auto minmax(0,1fr)}
.closed{background:var(--panel);border-left:4px solid var(--accent);padding:16px 18px;font-weight:600}
#reg-ok{scroll-margin-top:120px}
.lang a{color:var(--nl)}
.lang a:hover{background:var(--panel);color:var(--navy)}