:root{
  --font-title: 'Bebas Neue', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --panel-bg: rgba(255,255,255,.20);
  --panel-border: rgba(255,255,255,.18);
  --text: rgba(255,255,255,.95);
  --muted: rgba(255,255,255,.75);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:var(--text);
  background:#000;
  font-family:var(--font-body);
}

.snap{
  height:100vh;
  overflow-y:auto;
  scroll-snap-type:y mandatory;
}

.page{
  position:relative;
  height:100vh;
  width:100%;
  scroll-snap-align:start;
  background-position:center;
  background-size:cover;
  background-repeat:no-repeat;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:22px;
}

/* Backgrounds: mobile first */
.bg1{ background-image:url("images/1-mobile.jpg"); }
.bg2{ background-image:url("images/2-mobile.jpg"); }
.bg3{ background-image:url("images/3-mobile.jpg"); }
.bg4{ background-image:url("images/4-mobile.jpg"); }
.bg5{ background-image:url("images/5-mobile.jpg"); }

@media (min-width: 768px){
  .bg1{ background-image:url("images/1-desktop.jpg"); }
  .bg2{ background-image:url("images/2-desktop.jpg"); }
  .bg3{ background-image:url("images/3-desktop.jpg"); }
  .bg4{ background-image:url("images/4-desktop.jpg"); }
  .bg5{ background-image:url("images/5-desktop.jpg"); }
}

/* Premium readability without heavy overlay */
.panel{
  width:min(920px, 92vw);
  padding:22px 22px 18px;
  border-radius:18px;
  background:var(--panel-bg);
  border:1px solid var(--panel-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
}

.title{
  margin:0 0 6px;
  font-family:var(--font-title);
  letter-spacing:.06em;
  font-size:46px;
  line-height:1;
  text-transform:uppercase;
}

.lead{
  margin:0 0 16px;
  color:var(--muted);
  font-size:14px;
  line-height:1.4;
}

.hidden{display:none}

/* Programme */
.program{
  padding:18px 18px 12px;
}
.program .day-title{
  margin:0 0 8px;
  font-family:var(--font-title);
  letter-spacing:.08em;
  text-transform:uppercase;
  font-size:34px;
}
.underline{
  text-decoration: underline;
  text-underline-offset: 8px;
  text-decoration-thickness: 2px;
}
.program .subtle{
  margin:0 0 12px;
  color:var(--muted);
  font-family:var(--font-title);
  letter-spacing:.08em;
  text-transform:uppercase;
  font-size:18px;
}
.program .slot{
  margin:10px 0 0;
  padding-top:10px;
  border-top:1px solid rgba(255,255,255,.15);
}
.program .time{
  font-family:var(--font-title);
  letter-spacing:.12em;
  text-transform:uppercase;
  font-size:26px;
}
.program .label{
  margin-top:6px;
  font-size:13px;
  line-height:1.45;
  color:rgba(255,255,255,.9);
}
.program-col{
  margin-bottom:16px;
}
@media (min-width: 900px){
  .program{
    display:grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap:18px;
  }
  .program-col{margin-bottom:0}
}

.hint{
  position:absolute;
  bottom:16px;
  left:50%;
  transform:translateX(-50%);
  padding:6px 10px;
  font-family:var(--font-title);
  letter-spacing:.12em;
  text-transform:uppercase;
  font-size:14px;
  color:rgba(255,255,255,.75);
  background:rgba(0,0,0,.18);
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
}

/* Form */
label span{
  display:block;
  font-family:var(--font-title);
  letter-spacing:.10em;
  text-transform:uppercase;
  font-size:15px;
  margin:0 0 6px;
  color:rgba(255,255,255,.95);
}
input, select, textarea{
  width:100%;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.10);
  color:rgba(255,255,255,.96);
  padding:12px 12px;
  outline:none;
  font-family:var(--font-body);
  font-size:14px;
}
input::placeholder, textarea::placeholder{color:rgba(255,255,255,.55)}
select option{color:#111}
textarea{resize:vertical}

.grid2{
  display:grid;
  grid-template-columns: 1fr;
  gap:12px;
}
.full{grid-column:1 / -1}

@media (min-width: 820px){
  .grid2{grid-template-columns: 1fr 1fr;}
}

.btn{
  margin-top:14px;
  appearance:none;
  border:none;
  cursor:pointer;
  padding:12px 18px;
  border-radius:999px;
  font-family:var(--font-title);
  letter-spacing:.12em;
  text-transform:uppercase;
  font-size:16px;
 border:1px solid rgba(255,255,255,.20);
  background: rgba(0,0,0,.35);
  color:rgba(255,255,255,.95);
}
.btn:hover{background: rgba(0,0,0,.45)}

/* FAQ */
.qa{
  border-top:1px solid rgba(255,255,255,.18);
  padding:10px 0;
}
.qa:first-of-type{border-top:none}
.qa summary{
  cursor:pointer;
  font-family:var(--font-title);
  letter-spacing:.10em;
  text-transform:uppercase;
  font-size:18px;
  list-style:none;
}
.qa summary::-webkit-details-marker{display:none}
.qa .a{
  margin-top:8px;
  color:rgba(255,255,255,.9);
  font-size:13px;
  line-height:1.5;
}

/* Contacts */
.contacts .contact-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap:12px;
  margin-top:12px;
}
.contact-card{
  padding:14px;
  border-radius:16px;
  background: rgba(0,0,0,.22);
  border:1px solid rgba(255,255,255,.16);
}
.who{
  font-family:var(--font-title);
  letter-spacing:.14em;
  text-transform:uppercase;
  font-size:26px;
  margin-bottom:6px;
}
.line a{
  color:rgba(255,255,255,.92);
  text-decoration:none;
}
.line a:hover{text-decoration:underline}

@media (min-width: 720px){
  .contacts .contact-grid{grid-template-columns: 1fr 1fr;}
}

/* Merci page */
body.merci{
  background:#0b0b0b;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.thanks{
  width:min(720px, 92vw);
  padding:26px;
  border-radius:18px;
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  text-align:center;
}
.thanks h1{
  margin:0 0 8px;
  font-family:var(--font-title);
  letter-spacing:.10em;
  text-transform:uppercase;
  font-size:52px;
}
.thanks p{margin:0 0 14px;color:rgba(255,255,255,.8)}


/* Programme - meilleure lisibilité mobile, sans changer le texte */
.program { width: 100%; }
.program .day-block { margin-bottom: 22px; }
.program .day-block:last-child { margin-bottom: 0; }
.program h3 { margin: 0 0 10px 0; }
.day-title { text-decoration: underline; text-underline-offset: 8px; }
.program .time { letter-spacing: 0.06em; }
/* Réduire un peu les espacements sur très petits écrans */
@media (max-width: 420px) {
  .program .day-block { margin-bottom: 16px; }
  .program .entry { margin-bottom: 10px; }
  .program .time { font-size: 24px; }
  .program .desc { font-size: 14px; }
}