/* =========================
   ROOT + RESET
========================= */
:root{
  --navy-900:#050b1b;
  --navy-850:#0a1230;
  --navy-800:#0b1638;
  --navy-700:#122455;

  --blue-500:#1f5eff;
  --blue-600:#194ee0;

  --orange-500:#ff9f2d;
  --orange-600:#f08b12;

  --text-dark:#0b1020;
  --text-muted:#5b647a;

  --bg:#ffffff;
  --bg-soft:#f6f8ff;
  --border:#e6e9f4;

  --radius-xl:22px;
  --radius-lg:16px;
  --radius-md:12px;

  --shadow-soft:0 12px 30px rgba(9, 18, 50, .08);
  --shadow-deep:0 18px 45px rgba(0,0,0,.18);

  --transition:.25s ease;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color:var(--text-dark);
  background:var(--bg);
  line-height:1.5;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding-left:1.1rem}
h1,h2,h3,h4{margin:0 0 .6rem 0;letter-spacing:-.02em}
p{margin:.4rem 0 1rem 0}

/* =========================
   CONTAINER
========================= */
.container{
  width:min(1180px, 92vw);
  margin:0 auto;
}

/* =========================
   HEADER + NAV
========================= */
.site-header{
  position:relative;
  z-index:50;
  background:transparent;
}

.header-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 0;
}

.header-nowrap{
  flex-wrap:nowrap;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding-right:10px;
}

.logo{
  height:42px;
  width:auto;
  object-fit:contain;
}

.logo-fgses{
  height:60px;
}

.main-nav{
  position:relative;
}

.main-nav ul{
  list-style:none;
  display:flex;
  gap:14px;
  align-items:center;
  padding:0;
  margin:0;
  white-space:nowrap;
  flex-wrap:nowrap;
}

.main-nav a{
  font-size:13.8px;
  font-weight:600;
  color:#0b1020;
  opacity:.92;
  padding:8px 2px;
  position:relative;
  transition: var(--transition);
}

.main-nav a:hover{
  opacity:1;
  color:var(--orange-600);
}

.main-nav a.active::after,
.main-nav a:hover::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:-6px;
  height:2px;
  background:linear-gradient(90deg,var(--orange-500),var(--blue-500));
  border-radius:2px;
}

.nav-toggle{
  display:none;
  width:38px;
  height:38px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#fff;
  cursor:pointer;
}

.nav-toggle span{
  display:block;
  height:2px;
  margin:6px 8px;
  background:#0b1020;
}

/* =========================
   HERO
========================= */
.hero h1{
  font-size:clamp(34px, 4.6vw, 60px);
  line-height:1.1;
  margin-bottom:16px;
  text-shadow:0 10px 35px rgba(0,0,0,.35);
  text-align:center;   /* on centre le titre */
}
.hero-title-orange{
  color:var(--orange-500);
  font-weight:700;
}

/* Ligne 2 : toute la phrase sur une seule ligne */
.hero-title-main{
  color:#ffffff;
  font-weight:700;
  white-space:nowrap;   /* ⇦ empêche tout retour à la ligne */
  display:inline-block;
  margin-top:4px;
}

/* Sous-titre (dates) */
.hero-subtitle{
  display:block;
  margin-top:10px;
  font-size:clamp(16px, 1.4vw, 19px);
  font-weight:500;
  opacity:.9;
}


/* Sous-titre dans le H1 (dates) */
.hero-subtitle{
  display:block;
  margin-top:8px;
  font-size:clamp(16px, 1.4vw, 19px);
  font-weight:500;
  opacity:.9;
}


/* Sous-titre dans le H1 (dates) */
.hero-subtitle{
  display:block;
  margin-top:6px;
  font-size:clamp(16px, 1.4vw, 19px);
  font-weight:500;
  opacity:.9;
}

.hero{
  position:relative;
  min-height:78vh;
  display:flex;
  align-items:center;
  overflow:hidden;
}

.hero-bg{
  position:absolute;
  inset:0;
  z-index:0;
}

.hero-bg img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}

.hero-overlay{
  position:absolute;
  inset:0;
  background:
    radial-gradient(1200px 500px at 20% 20%, rgba(255,159,45,.18), transparent 60%),
    radial-gradient(900px 600px at 80% 30%, rgba(31,94,255,.18), transparent 60%),
    linear-gradient(180deg, rgba(5,11,27,.35), rgba(5,11,27,.92) 55%, rgba(5,11,27,.98));
}

.hero-content{
  position:relative;
  z-index:2;
  color:#fff;
  padding:70px 0 90px 0;

  /* NEW : on centre tout le contenu du hero */
  display:flex;
  flex-direction:column;
  align-items:center;
}


.eyebrow{
  font-size:14.5px;
  opacity:.9;
  margin-bottom:10px;
  text-align:center;   /* NEW */
}
.hero-description {
  margin-top: 28px;
  max-width: 960px;              
  padding: 18px 22px 20px;
  border-radius: 22px;
  background: radial-gradient(
      800px 400px at 10% 0%,
      rgba(255, 159, 45, 0.12),
      transparent 55%
    ),
    radial-gradient(
      700px 360px at 100% 0%,
      rgba(31, 94, 255, 0.10),
      transparent 60%
    ),
    rgba(5, 11, 27, 0.88);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
  font-size: 15.8px;
  line-height: 1.8;
  color: #f5f7ff;

  text-align: justify;      /* ⇦ résumé justifié, plus centré */
}



.eyebrow a{
  color:var(--orange-500);
  text-decoration:underline;
  text-underline-offset:3px;
}

.dot{
  display:inline-block;
  width:6px;height:6px;border-radius:50%;
  background:var(--orange-500);
  margin:0 8px 2px 8px;
}

.hero h1{
  font-size:clamp(34px, 4.6vw, 60px);
  line-height:1.04;
  margin-bottom:16px;
  text-shadow:0 10px 35px rgba(0,0,0,.35);
}

.hero-meta{
  font-size:16px;
  opacity:.98;
  margin-bottom:26px;
}

.hero-buttons{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:22px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 18px;
  border-radius:14px;
  font-weight:700;
  font-size:14.5px;
  border:1px solid transparent;
  transition:var(--transition);
  cursor:pointer;
}

.btn-primary{
  background:linear-gradient(90deg,var(--orange-500),var(--orange-600));
  color:#111;
  box-shadow:0 10px 24px rgba(255,159,45,.28);
}

.btn-primary:hover{
  transform:translateY(-1px);
  filter:saturate(1.05);
}

.btn-secondary{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2);
  color:#fff;
}

.btn-secondary:hover{
  background:rgba(255,255,255,.14);
  transform:translateY(-1px);
}

.hero-highlights{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}

.pill{
  padding:8px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  font-size:12.5px;
  font-weight:700;
}
.hero-description {
  margin-top: 28px;
  max-width: 960px;              /* plus étroit que toute la largeur */
  padding: 18px 22px 20px;
  border-radius: 22px;
  background: radial-gradient(
      800px 400px at 10% 0%,
      rgba(255, 159, 45, 0.12),
      transparent 55%
    ),
    radial-gradient(
      700px 360px at 100% 0%,
      rgba(31, 94, 255, 0.10),
      transparent 60%
    ),
    rgba(5, 11, 27, 0.88);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
  font-size: 15.8px;
  line-height: 1.8;
  color: #f5f7ff;
}

.hero-desc-label {
  display: inline-flex;
  padding: 4px 10px;
  margin-bottom: 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #ffe0b0;
}

.hero-description p {
  margin: 0 0 10px 0;
}

.hero-description p:last-child {
  margin-bottom: 0;
}

/* sur mobile : on garde le même design mais avec un peu moins de padding */
@media (max-width: 900px) {
  .hero-description {
    padding: 14px 14px 16px;
    font-size: 15px;
  }
}

/* =========================
   LOGO TICKER
========================= */
.logo-ticker {
  overflow: hidden;
  background: #020920;
  padding: 1.5rem 0;
}

.logo-ticker img {
  height: 42px;
  margin: 0 2.5rem;
  opacity: 0.95;
}

.logo-ticker .ticker-row {
  display: flex;
  width: max-content;
  align-items: center;
  animation: logo-ticker-scroll 40s linear infinite;
}

.logo-ticker .ticker-track {
  display: flex;
  align-items: center;
}

@keyframes logo-ticker-scroll {
  0%   { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

/* =========================
   SECTIONS
========================= */
.section{
  padding:70px 0;
}

.section-alt{
  background:var(--bg-soft);
}

.section-head{
  margin-bottom:28px;
}

.section-head h2{
  font-size:28px;
}

.section-intro{
  color:var(--text-muted);
  max-width:820px;
}

/* =========================
   LAYOUTS
========================= */
.two-columns{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:34px;
  align-items:start;
}

.flow p{color:var(--text-dark)}

.feature-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap:14px;
  margin-top:18px;
}

.feature{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:16px;
  box-shadow:var(--shadow-soft);
}

.feature h4{font-size:15.5px}
.feature p{font-size:14.5px;color:var(--text-muted)}

.highlight-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  padding:26px 24px;
  box-shadow:var(--shadow-soft);
}

.gradient-soft{
  background:
    radial-gradient(500px 200px at 90% 0%, rgba(255,159,45,.18), transparent 60%),
    radial-gradient(420px 220px at 0% 30%, rgba(31,94,255,.12), transparent 60%),
    #fff;
}

.mini-note{
  margin-top:14px;
  background:var(--bg-soft);
  border:1px solid var(--border);
  padding:12px;
  border-radius:12px;
  font-weight:600;
}

/* =========================
   ABOUT IMAGE CARD
========================= */
.about-rich{
  align-items:center;
}

.about-image-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow-soft);
}

.about-image-card img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.about-image-caption{
  padding:14px 16px 18px 16px;
  font-weight:600;
  font-size:13.5px;
  color:var(--text-muted);
}

/* =========================
   CARDS GRID
========================= */
.card-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap:18px;
}

.card-grid-3{
  grid-template-columns: repeat(3, minmax(0,1fr));
}

.person-card{
  display:flex;
  gap:16px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  padding:14px;
  box-shadow:var(--shadow-soft);
  overflow:hidden;
}

.person-card.compact{
  align-items:flex-start;
}

.person-photo{
  width:120px;
  height:160px;
  object-fit:cover;
  border-radius:14px;
  flex:0 0 auto;
  background:#ddd;
}

.person-card.compact .person-photo{
  width:96px;
  height:120px;
}

.person-body h3{font-size:20px}
.person-affiliation{
  color:var(--orange-600);
  font-weight:700;
  font-size:14.5px;
}

/* =========================
   PRACTICAL INFO CARDS
========================= */
.practical-head h2{
  font-size:30px;
}

.practical-grid{
  display:grid;
  grid-template-columns: minmax(0,1.15fr) minmax(0,1.05fr);
  gap:18px;
}

.practical-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  padding:22px 24px;
  box-shadow:var(--shadow-soft);
}

.practical-card h3{
  font-size:18px;
  margin-top:4px;
}

.practical-card h3 + ul,
.practical-card h3 + p{
  margin-top:4px;
}

.practical-location{
  grid-column:1 / -1;
  display:grid;
  grid-template-columns: minmax(0,1.1fr) minmax(0,1fr);
  gap:18px;
  align-items:stretch;
  margin-top:6px;
}

.practical-location-text .section-intro{
  margin-bottom:10px;
}

/* Location map inside card */
.location-map iframe{
  width:100%;
  height:260px;
  border:0;
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-soft);
}

.location-address{
  font-size:15px;
}

.location-contact a{
  color:var(--blue-600);
  font-weight:700;
}

#partnerships .btn.btn-primary {
  margin-top: 8px;
  margin-bottom: 22px;  /* ⇦ augmente ou diminue cette valeur selon ton goût */
}
/* =========================
   LISTS / FORM / FAQ
========================= */
.nice-list li{margin:.38rem 0}

.apply-form{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  padding:28px;
  box-shadow:var(--shadow-soft);
}

.form-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap:14px 18px;
}

.form-row{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-bottom:14px;
}

label{
  font-size:13.5px;
  font-weight:700;
  color:#111827;
}

input, select, textarea{
  border:1px solid #dde3f3;
  border-radius:12px;
  padding:11px 12px;
  font-size:14.5px;
  outline:none;
  transition:var(--transition);
  background:#fff;
  color:var(--text-dark);
}

input:focus, select:focus, textarea:focus{
  border-color:rgba(31,94,255,.45);
  box-shadow:0 0 0 4px rgba(31,94,255,.08);
}

.hint{
  font-size:12px;
  color:var(--text-muted);
}

.faq-list{
  display:grid;
  gap:10px;
}

.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:14px;
  padding:10px 14px;
  box-shadow:var(--shadow-soft);
}

.faq-item summary{
  cursor:pointer;
  font-weight:700;
  color:var(--text-dark);
}

.faq-answer{
  margin-top:8px;
  color:var(--text-muted);
}

/* =========================
   FOOTER
========================= */
.site-footer{
  background:#0b0f1d;
  color:#e9edf9;
  padding:60px 0 26px 0;
  margin-top:40px;
}

.footer-grid{
  display:grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap:26px;
  margin-bottom:28px;
}

.footer-logo-big{
  height:54px;
  width:auto;
}

.footer-col h4{
  font-size:13.5px;
  opacity:.85;
  margin-bottom:12px;
  letter-spacing:.06em;
}

.footer-col ul{
  list-style:none;
  padding:0;
}

.footer-col li{
  margin:8px 0;
}

.footer-col a{
  font-size:13.5px;
  opacity:.88;
}
.footer-col a:hover{opacity:1;color:var(--orange-500)}

.footer-badges{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  border-radius:14px;
  padding:12px;
  margin:10px 0 14px 0;
}

.badge-rank span{
  display:block;
  font-size:12px;
  opacity:.9;
}

.footer-social{
  display:flex;
  flex-wrap:wrap;
  gap:10px 12px;
}

.social-pill{
  display:inline-flex;
  padding:8px 10px;
  border-radius:10px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  font-size:12.5px;
  font-weight:700;
}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:16px;
  color:rgba(255,255,255,.75);
  font-size:12.5px;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 1100px){
  .card-grid-3{grid-template-columns: repeat(2, minmax(0,1fr))}
  .footer-grid{grid-template-columns: repeat(2, minmax(0,1fr))}
}

@media (max-width: 980px){
  .two-columns{grid-template-columns: 1fr}
  .card-grid{grid-template-columns: 1fr}
  .feature-grid{grid-template-columns: 1fr}
  .form-grid{grid-template-columns: 1fr}
  .practical-grid{
    grid-template-columns: 1fr;
  }
  .practical-location{
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px){
  .nav-toggle{display:inline-flex}
  .main-nav ul{
    position:absolute;
    right:0;
    top:70px;
    background:#ffffff;
    border:1px solid var(--border);
    border-radius:14px;
    padding:12px;
    display:none;
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
    min-width:260px;
    box-shadow:var(--shadow-soft);
    white-space:normal;
  }
  .main-nav ul.open{display:flex}
}

@media (max-width: 620px){
  .logo-ticker img{margin:0 1.6rem}
}
/* =========================
   CAMPUS PAGE
========================= */

.campus-body{
  background:#ffffff;
}

/* Header clair pour la page campus */
.light-header{
  background:#fff;
  border-bottom:1px solid var(--border);
}

/* Bandeau de la page campus */
.campus-hero{
  background:
    radial-gradient(700px 240px at 85% 10%, rgba(255,159,45,.14), transparent 60%),
    radial-gradient(650px 260px at 10% 20%, rgba(31,94,255,.10), transparent 60%),
    linear-gradient(180deg, #ffffff, #f7f9ff);
  padding:54px 0 42px 0;
  border-bottom:1px solid var(--border);
}

.campus-hero h1{
  font-size:clamp(26px, 3.2vw, 38px);
  margin-bottom:10px;
}

.campus-hero .section-intro{
  max-width:800px;
}

/* Lien “Back to Summer School page” */
.back-link{
  display:inline-block;
  font-weight:700;
  color:var(--text-muted);
  margin-bottom:10px;
}
.back-link:hover{
  color:var(--orange-600);
}

/* Boutons sous le titre de la page campus */
.hero-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:14px;
}

/* Mise en page texte + carte pour la section Essentials */
.campus-map-layout{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:22px;
  align-items:start;
  margin-top:22px;
}

/* Carte / image encadrée (photo + plan) */
.map-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  padding:16px;
  box-shadow:var(--shadow-soft);
}

.map-card img{
  border-radius:14px;
  border:1px solid #eef1fb;
}

/* Petit encadré d’info douce (si besoin) */
.soft-note{
  margin-top:12px;
  padding:14px;
  border:1px dashed #d8def0;
  border-radius:14px;
  background:#fbfcff;
  color:var(--text-muted);
  font-size:13px;
}

/* Location map sur la page campus (taille raisonnable) */
#campus-location .location-map iframe{
  width:100%;
  height:320px;
  border:0;
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-soft);
}

/* Responsive campus */
@media (max-width: 980px){
  .campus-map-layout{
    grid-template-columns:1fr;
  }
}