/* SOGAPED — 9e Congrès Scientifique — feuille de style du formulaire d'inscription */
:root{
  --green:#1a8a3c; --green-d:#15722f;
  --navy:#173a6b; --navy2:#14315c;
  --gold:#f4b400;
  --ink:#1f2937; --muted:#6b7280; --line:#e3e7ee; --bg:#eef1f5; --soft:#f5f6f8;
}
*{box-sizing:border-box;}
html,body{margin:0;}
body{font-family:'Open Sans',system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:var(--green);}

/* top bar */
.topbar{background:var(--green);color:#fff;font-size:12.5px;}
.topbar .in{max-width:1100px;margin:0 auto;padding:8px 18px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;}
.topbar a{color:#fff;text-decoration:none;font-weight:700;}

/* header */
.head{background:#fff;border-bottom:1px solid var(--line);}
.head .in{max-width:1100px;margin:0 auto;padding:12px 18px;display:flex;align-items:center;gap:13px;}
.head .logo{width:50px;height:50px;border-radius:50%;background:#fff center/cover no-repeat;flex:none;}
.head .brand b{font-family:'Montserrat';font-weight:800;font-size:14px;color:var(--navy);display:block;line-height:1.15;}
.head .brand span{font-family:'Montserrat';font-weight:700;font-size:11px;color:var(--green);}
.head .back{margin-left:auto;font-size:12.5px;font-weight:700;color:var(--navy);text-decoration:none;}

/* banner + title */
.shell{max-width:1100px;margin:0 auto;padding:0 18px 56px;}
.banner{margin-top:16px;border-radius:10px;overflow:hidden;box-shadow:0 8px 26px rgba(20,40,80,.10);}
.formtitle{background:var(--navy);color:#fff;text-align:center;border-radius:10px;margin-top:16px;padding:16px;font-family:'Montserrat';font-weight:800;font-size:24px;letter-spacing:.5px;}
.deadlines{display:flex;gap:14px;flex-wrap:wrap;margin-top:14px;}
.deadlines .d{flex:1;min-width:240px;background:var(--navy2);color:#fff;border-radius:10px;padding:14px 18px;display:flex;align-items:center;gap:12px;}
.deadlines .d .ic{font-size:20px;}
.deadlines .d small{display:block;font-size:11px;opacity:.8;letter-spacing:.3px;text-transform:uppercase;}
.deadlines .d b{font-family:'Montserrat';font-weight:800;font-size:18px;}

/* layout */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px;align-items:start;}
.col{display:flex;flex-direction:column;gap:18px;}

/* section card */
.section{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;box-shadow:0 4px 14px rgba(20,40,80,.04);}
.sec-head{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.sec-num{width:26px;height:26px;border-radius:7px;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;font-family:'Montserrat';font-weight:800;font-size:13px;flex:none;}
.sec-title{font-family:'Montserrat';font-weight:700;font-size:13px;color:var(--navy);letter-spacing:.4px;text-transform:uppercase;}

/* fields */
.field{margin-bottom:13px;}
.field:last-child{margin-bottom:0;}
.field label.lab{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:5px;}
.field .req{color:#c0392b;}
input[type=text],input[type=email],input[type=tel],input[type=date],input[type=number],select,textarea{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;
  font-family:inherit;color:var(--ink);background:#fff;outline:none;transition:border-color .15s,box-shadow .15s;
}
input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(26,138,60,.12);}
textarea{resize:vertical;min-height:64px;}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}

/* option groups (radio / checkbox) */
.options{display:flex;flex-wrap:wrap;gap:10px 18px;}
.opt{display:flex;align-items:center;gap:7px;font-size:13.5px;color:var(--ink);cursor:pointer;}
.opt input{width:16px;height:16px;accent-color:var(--green);cursor:pointer;}
.stack{flex-direction:column;align-items:flex-start;gap:9px;}
.price{color:var(--green-d);font-weight:600;}

/* note */
.note{background:var(--soft);border-left:4px solid var(--green);border-radius:6px;padding:13px 15px;font-size:12.5px;color:#475063;line-height:1.5;}

/* consent + submit */
.consent{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;margin-top:20px;box-shadow:0 4px 14px rgba(20,40,80,.04);}
.consent .opt{align-items:flex-start;font-size:13.5px;line-height:1.5;}
.submit-bar{display:flex;justify-content:center;margin-top:22px;}
.btn{background:var(--green);color:#fff;border:none;font-family:'Montserrat';font-weight:700;font-size:15px;padding:15px 38px;border-radius:8px;cursor:pointer;display:inline-flex;align-items:center;gap:10px;transition:background .15s;}
.btn:hover{background:var(--green-d);}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}

/* footer */
.foot{background:var(--navy2);color:#cdd8ea;margin-top:48px;}
.foot .in{max-width:1100px;margin:0 auto;padding:24px 18px;display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center;font-size:12.5px;}
.foot a{color:#cdd8ea;}

/* ===== Responsive ===== */

/* Tablettes : le formulaire passe sur une seule colonne */
@media(max-width:820px){
  .grid2{grid-template-columns:1fr;}
  .formtitle{font-size:20px;}
  .row2{grid-template-columns:1fr;}
  .deadlines .d{min-width:100%;}
}

/* Petits écrans / téléphones */
@media(max-width:600px){
  .shell{padding:0 12px 40px;}
  .topbar .in{padding:8px 12px;font-size:12px;}
  .head .in{padding:10px 12px;gap:10px;}
  .head .logo{width:42px;height:42px;}
  .head .brand b{font-size:13px;}
  .head .brand span{font-size:10px;}
  .banner{margin-top:12px;}
  .formtitle{font-size:17px;padding:13px;letter-spacing:.3px;}
  .deadlines{gap:10px;margin-top:12px;}
  .deadlines .d{padding:12px 14px;}
  .deadlines .d b{font-size:16px;}
  .grid2{gap:14px;margin-top:16px;}
  .col{gap:14px;}
  .section{padding:16px;}
  .sec-head{margin-bottom:13px;}
  /* Confort de saisie tactile : évite le zoom auto iOS (police < 16px) */
  input[type=text],input[type=email],input[type=tel],input[type=date],
  input[type=number],select,textarea{font-size:16px;padding:11px 12px;}
  .options{gap:9px 14px;}
  .opt{font-size:14px;}
  /* Bouton d'envoi pleine largeur, plus facile à toucher */
  .submit-bar{margin-top:18px;}
  .btn{width:100%;justify-content:center;padding:15px 20px;}
  .foot .in{flex-direction:column;align-items:flex-start;gap:10px;text-align:left;}
}

/* Très petits téléphones */
@media(max-width:380px){
  .formtitle{font-size:15px;}
  .head .back{font-size:11px;}
}

/* Validation email (formulaire d'inscription) */
.err{display:none;margin-top:6px;font-size:12.5px;color:#c0392b;font-weight:600;}
input.invalid{border-color:#c0392b !important;box-shadow:0 0 0 3px rgba(192,57,43,.12) !important;}