/* ===================== ASCOM 2026 — style.css ===================== */
:root{
  --ascom-black:#0b3d38;
  --ascom-black-soft:#0f5148;
  --ascom-gold:#8bc53f;
  --ascom-gold-light:#a9d766;
  --ascom-cream:#eef6ec;
  --ascom-white:#ffffff;
  --ascom-accent:#0d6e64;
  --serif:'Playfair Display', Georgia, serif;
  --sans:'Inter', Arial, sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--sans);
  color:var(--ascom-black);
  background:var(--ascom-white);
  line-height:1.6;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
h1,h2,h3,h4{font-family:var(--serif);line-height:1.15;font-weight:700;}
.eyebrow{
  display:inline-block;font-family:var(--sans);letter-spacing:.18em;
  text-transform:uppercase;font-size:.75rem;color:var(--ascom-gold);
  font-weight:700;margin-bottom:14px;
}
.section{padding:80px 0;}
.section-dark{background:var(--ascom-black);color:var(--ascom-cream);}
.section-cream{background:var(--ascom-cream);}
.section-accent{background:var(--ascom-accent);color:var(--ascom-white);}
.text-center{text-align:center;}
.max-w{max-width:760px;margin:0 auto;}

/* Buttons */
.btn{
  display:inline-block;padding:15px 32px;font-weight:700;font-size:.85rem;
  letter-spacing:.08em;text-transform:uppercase;border-radius:2px;
  border:2px solid transparent;transition:all .25s ease;cursor:pointer;
}
.btn-gold{background:var(--ascom-gold);color:var(--ascom-black);}
.btn-gold:hover{background:var(--ascom-gold-light);}
.btn-outline{border-color:var(--ascom-gold);color:var(--ascom-gold);background:transparent;}
.btn-outline:hover{background:var(--ascom-gold);color:var(--ascom-black);}
.btn-outline-dark{border-color:var(--ascom-black);color:var(--ascom-black);background:transparent;}
.btn-outline-dark:hover{background:var(--ascom-black);color:var(--ascom-white);}
.btn-row{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-start;}
.btn-block{display:block;width:100%;text-align:center;}

/* ===================== HEADER ===================== */
.site-header{
  position:sticky;top:0;z-index:1000;background:rgba(11,61,56,.97);
  border-bottom:1px solid rgba(139,197,63,.25);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:6px 24px;max-width:1280px;margin:0 auto;
}
.logo{display:flex;flex-direction:column;align-items:flex-start;line-height:1;}
.logo .logo-main{
  font-family:var(--serif);font-weight:700;font-size:1.7rem;letter-spacing:.06em;
  color:var(--ascom-gold);
}
.logo .logo-sub{
  font-family:var(--sans);font-size:.6rem;letter-spacing:.2em;color:var(--ascom-cream);
  text-transform:uppercase;margin-top:4px;
}
.logo-brand{align-items:flex-start;}
.logo-img{height:132px;width:auto;display:block;}
.logo-img-footer{height:170px;}
@media(max-width:980px){.logo-img{height:96px;}}
@media(max-width:560px){.logo-img{height:78px;}}

/* Logo en mouvement : légère lévitation + lueur douce, en boucle infinie */
@keyframes logoFloat{
  0%   { transform:translateY(0) rotate(0deg); filter:drop-shadow(0 4px 10px rgba(139,197,63,.25)); }
  50%  { transform:translateY(-7px) rotate(-1.5deg); filter:drop-shadow(0 14px 18px rgba(139,197,63,.45)); }
  100% { transform:translateY(0) rotate(0deg); filter:drop-shadow(0 4px 10px rgba(139,197,63,.25)); }
}
.logo-float{animation:logoFloat 4.5s ease-in-out infinite;will-change:transform,filter;}
@media (prefers-reduced-motion: reduce){
  .logo-float{animation:none;}
}
nav.main-nav{display:flex;align-items:center;gap:2px;}
nav.main-nav > ul{display:flex;align-items:center;gap:2px;}
nav.main-nav > ul > li{position:relative;}
nav.main-nav > ul > li > a{
  display:block;padding:14px 14px;color:var(--ascom-cream);font-size:.8rem;
  font-weight:600;letter-spacing:.03em;text-transform:uppercase;transition:color .2s;
}
nav.main-nav > ul > li > a:hover,
nav.main-nav > ul > li.active > a{color:var(--ascom-gold);}
.has-dropdown > a::after{content:" ▾";font-size:.65em;}
.dropdown{
  position:absolute;top:100%;left:0;min-width:260px;background:var(--ascom-black-soft);
  border:1px solid rgba(139,197,63,.25);opacity:0;visibility:hidden;
  transform:translateY(8px);transition:all .2s ease;padding:8px 0;
}
.has-dropdown:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown li a{
  display:block;padding:10px 20px;font-size:.78rem;color:var(--ascom-cream);
  text-transform:none;letter-spacing:0;font-weight:500;
}
.dropdown li a:hover{color:var(--ascom-gold);background:rgba(139,197,63,.08);}
.header-cta{
  padding:11px 22px;background:var(--ascom-gold);color:var(--ascom-black);
  font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  border-radius:2px;margin-left:14px;white-space:nowrap;
}
.header-cta:hover{background:var(--ascom-gold-light);}
.nav-toggle{display:none;background:none;border:none;color:var(--ascom-gold);font-size:1.6rem;cursor:pointer;}

@media(max-width:980px){
  nav.main-nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;background:var(--ascom-black);
    flex-direction:column;padding:20px;overflow-y:auto;
    transform:translateX(100%);transition:transform .3s ease;
  }
  nav.main-nav.open{transform:translateX(0);}
  nav.main-nav > ul{flex-direction:column;align-items:flex-start;width:100%;}
  nav.main-nav > ul > li{width:100%;}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;display:none;border:none;background:rgba(255,255,255,.03);}
  .has-dropdown.open .dropdown{display:block;}
  .header-cta{margin:16px 0 0;display:inline-block;}
  .nav-toggle{display:block;}
}

/* ===================== HERO ===================== */
.hero{
  position:relative;min-height:92vh;display:flex;align-items:center;
  background:linear-gradient(180deg,rgba(11,61,56,.55),rgba(11,61,56,.88)),
    url('../images/image7.jpeg') center/cover no-repeat;
  color:var(--ascom-white);padding:100px 0 60px;
}
.hero-inner{max-width:920px;margin:0 auto;text-align:center;padding:0 24px;}
.hero-kicker{
  font-size:.85rem;letter-spacing:.25em;text-transform:uppercase;color:var(--ascom-gold);
  margin-bottom:18px;font-weight:700;
}
.hero-edition{font-family:var(--serif);font-size:1.05rem;color:var(--ascom-gold-light);margin-bottom:10px;}
.hero h1{
  font-size:clamp(2.1rem,5vw,3.6rem);color:var(--ascom-white);margin-bottom:22px;
}
.hero-sub{font-size:1.05rem;max-width:680px;margin:0 auto 26px;color:var(--ascom-cream);}
.hero-meta{
  font-family:var(--serif);font-size:1.15rem;color:var(--ascom-gold);margin-bottom:14px;letter-spacing:.03em;
}
.hero-tags{font-size:.85rem;color:var(--ascom-cream);opacity:.85;margin-bottom:36px;letter-spacing:.02em;}

/* Countdown */
.countdown{display:flex;justify-content:center;gap:18px;margin:0 auto 36px;flex-wrap:wrap;}
.countdown .cd-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(139,197,63,.35);
  border-radius:4px;padding:14px 20px;min-width:84px;text-align:center;
}
.countdown .cd-num{font-family:var(--serif);font-size:2rem;color:var(--ascom-gold);font-weight:700;display:block;}
.countdown .cd-label{font-size:.65rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ascom-cream);}

.hero-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;}

/* Page header (inner pages) */
.page-hero{
  background:linear-gradient(180deg,rgba(11,61,56,.65),rgba(11,61,56,.9)),
    url('../images/image8.jpeg') center/cover no-repeat;
  color:var(--ascom-white);padding:150px 0 70px;text-align:center;
}
.page-hero h1{font-size:clamp(1.9rem,4vw,3rem);color:var(--ascom-white);}
.page-hero p{margin-top:14px;color:var(--ascom-gold-light);font-family:var(--serif);font-size:1.1rem;}
.breadcrumb{margin-top:16px;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.6);}
.breadcrumb a{color:var(--ascom-gold);}

/* Grids & Cards */
.grid{display:grid;gap:28px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr);} .grid-3{grid-template-columns:repeat(2,1fr);} .grid-2{grid-template-columns:1fr;}}
@media(max-width:560px){.grid-4{grid-template-columns:1fr;} .grid-3{grid-template-columns:1fr;}}

.card{
  background:var(--ascom-white);border:1px solid #eee;border-top:3px solid var(--ascom-gold);
  padding:30px 26px;transition:transform .2s ease, box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(0,0,0,.08);}
.card h3{font-size:1.15rem;margin-bottom:10px;}
.card p{font-size:.92rem;color:#444;}
.card .tag{
  display:inline-block;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ascom-accent);font-weight:700;margin-bottom:10px;
}

.dark-card{
  background:var(--ascom-black-soft);border:1px solid rgba(139,197,63,.2);
  padding:30px 26px;color:var(--ascom-cream);
}
.dark-card h3{color:var(--ascom-gold-light);margin-bottom:10px;}

/* Speaker / people grid */
.people-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
@media(max-width:900px){.people-grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:600px){.people-grid{grid-template-columns:repeat(2,1fr);}}
.person{text-align:center;}
.person .photo{
  width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:4px;border:1px solid #eee;margin-bottom:12px;
}
.person h4{font-size:.95rem;margin-bottom:2px;}
.person .role{font-size:.78rem;color:var(--ascom-accent);font-weight:600;}
.person .org{font-size:.78rem;color:#666;}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr);}}
.stat-num{font-family:var(--serif);font-size:2.6rem;color:var(--ascom-gold);font-weight:700;}
.stat-label{font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ascom-cream);opacity:.85;margin-top:6px;}

/* Timeline / program */
.timeline{border-left:2px solid var(--ascom-gold);margin-left:10px;}
.timeline-item{position:relative;padding:0 0 38px 34px;}
.timeline-item::before{
  content:'';position:absolute;left:-8px;top:4px;width:14px;height:14px;border-radius:50%;
  background:var(--ascom-gold);border:3px solid var(--ascom-white);
}
.timeline-item .time{
  font-family:var(--serif);color:var(--ascom-accent);font-weight:700;font-size:1.05rem;margin-bottom:6px;
}
.timeline-item h3{font-size:1.15rem;margin-bottom:8px;}
.timeline-item ul{margin-top:10px;padding-left:0;}
.timeline-item ul li{
  font-size:.9rem;color:#444;padding:4px 0 4px 18px;position:relative;
}
.timeline-item ul li::before{content:'—';position:absolute;left:0;color:var(--ascom-gold);}

/* Photo mosaic */
.mosaic{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
@media(max-width:760px){.mosaic{grid-template-columns:repeat(2,1fr);}}
.mosaic figure{position:relative;overflow:hidden;border-radius:4px;background:#111;}
.mosaic img{width:100%;height:230px;object-fit:cover;transition:transform .35s ease;}
.mosaic figure:hover img{transform:scale(1.08);}
.mosaic figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:12px 10px 10px;
  background:linear-gradient(0deg,rgba(0,0,0,.88),rgba(0,0,0,0));
  color:var(--ascom-cream);font-size:.72rem;line-height:1.35;
  opacity:0;transform:translateY(8px);transition:all .25s ease;
}
.mosaic figure:hover figcaption{opacity:1;transform:translateY(0);}

/* Partners */
.partners-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;align-items:center;}
@media(max-width:760px){.partners-grid{grid-template-columns:repeat(3,1fr);}}
.partners-grid img{
  opacity:1;transition:transform .25s ease;background:var(--ascom-white);
  padding:10px;border-radius:4px;
}
.partners-grid img:hover{transform:translateY(-3px);}

/* Pricing / sponsor packs */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch;}
@media(max-width:900px){.pricing-grid{grid-template-columns:1fr;}}
.pack{
  background:var(--ascom-black-soft);border:1px solid rgba(139,197,63,.25);
  padding:36px 28px;color:var(--ascom-cream);display:flex;flex-direction:column;
}
.pack.featured{border-color:var(--ascom-gold);box-shadow:0 0 0 1px var(--ascom-gold);}
.pack .pack-name{font-family:var(--serif);color:var(--ascom-gold);font-size:1.5rem;margin-bottom:6px;}
.pack .pack-price{font-size:1.3rem;font-weight:700;color:var(--ascom-white);margin-bottom:22px;}
.pack ul{flex:1;margin-bottom:24px;}
.pack ul li{
  font-size:.85rem;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.08);
}

/* Forms */
.form-box{
  background:var(--ascom-white);border:1px solid #eee;border-top:4px solid var(--ascom-gold);
  padding:40px;max-width:680px;margin:0 auto;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media(max-width:640px){.form-grid{grid-template-columns:1fr;}}
.form-group{display:flex;flex-direction:column;gap:6px;}
.form-group.full{grid-column:1/-1;}
.form-group label{font-size:.78rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--ascom-black);}
.form-group input,.form-group select,.form-group textarea{
  padding:12px 14px;border:1px solid #ddd;font-family:var(--sans);font-size:.92rem;border-radius:2px;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:2px solid var(--ascom-gold);}
.form-note{font-size:.82rem;color:#666;margin-top:18px;}

/* Footer */
.site-footer{background:var(--ascom-black);color:var(--ascom-cream);padding:70px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:50px;}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr;}}
.footer-grid h4{
  font-family:var(--sans);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ascom-gold);margin-bottom:18px;
}
.footer-grid p, .footer-grid li{font-size:.88rem;color:#c9c4b8;margin-bottom:10px;}
.footer-grid a:hover{color:var(--ascom-gold);}
.footer-desc{font-size:.88rem;color:#c9c4b8;margin:14px 0 20px;max-width:280px;}
.social-row{display:flex;gap:10px;flex-wrap:wrap;}
.social-icon{
  display:flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  transition:transform .2s ease, box-shadow .2s ease;
}
.social-icon:hover{transform:translateY(-3px);box-shadow:0 6px 14px rgba(0,0,0,.35);}
.social-linkedin{background:#0A66C2;}
.social-facebook{background:#1877F2;}
.social-x{background:#000000;border:1px solid rgba(255,255,255,.25);}
.social-instagram{background:linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888);}
.social-youtube{background:#FF0000;}
.newsletter-form{display:flex;gap:8px;margin-top:10px;}
.newsletter-form input{flex:1;padding:10px 12px;border:1px solid rgba(139,197,63,.4);background:transparent;color:var(--ascom-cream);}
.newsletter-form button{padding:10px 16px;background:var(--ascom-gold);border:none;color:var(--ascom-black);font-weight:700;cursor:pointer;}
.footer-bottom{
  border-top:1px solid rgba(139,197,63,.15);padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.75rem;color:#8a8578;
}

/* Misc */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;}
@media(max-width:860px){.two-col{grid-template-columns:1fr;}}

/* Photo agrandie au-dessus du "Thème de l'édition 2026" */
.two-col-photo-lg{grid-template-columns:1.25fr 1fr;gap:60px;}
.theme-photo-wrap{border-radius:10px;overflow:hidden;box-shadow:0 20px 40px rgba(11,61,56,.25);}
.theme-photo{
  width:100%;height:520px;object-fit:cover;border-radius:10px;
  transform:scale(1.02);transition:transform .5s ease;
}
.theme-photo-wrap:hover .theme-photo{transform:scale(1.08);}
@media(max-width:860px){
  .two-col-photo-lg{grid-template-columns:1fr;}
  .theme-photo{height:340px;}
}

/* Galerie "La participation historique de Jacques Séguéla" : deux photos différentes, recadrées à taille égale */
.seguela-gallery{grid-template-columns:1fr 1fr;}
.seguela-photo-wrap{
  border-radius:8px;overflow:hidden;box-shadow:0 14px 30px rgba(11,61,56,.2);
  aspect-ratio:4/5;
}
.seguela-photo-wrap img{
  width:100%;height:100%;object-fit:cover;object-position:center 20%;
  transform:scale(1.01);transition:transform .5s ease;
}
.seguela-photo-wrap:hover img{transform:scale(1.08);}
@media(max-width:560px){.seguela-gallery{grid-template-columns:1fr;}}
.seguela-gallery-single{display:block;}
.seguela-gallery-single .seguela-photo-wrap{aspect-ratio:3/4;max-width:420px;margin:0 auto;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.tag-list span{
  border:1px solid var(--ascom-gold);color:var(--ascom-gold);padding:6px 14px;
  font-size:.75rem;border-radius:20px;text-transform:uppercase;letter-spacing:.04em;
}
.check-list li{padding:8px 0 8px 28px;position:relative;font-size:.95rem;}
.check-list li::before{content:'✓';position:absolute;left:0;color:var(--ascom-gold);font-weight:700;}
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px;}
.anchor-nav a{
  padding:9px 18px;border:1px solid var(--ascom-gold);color:var(--ascom-black);font-size:.78rem;
  text-transform:uppercase;letter-spacing:.04em;border-radius:20px;
}
.anchor-nav a:hover{background:var(--ascom-gold);}
section[id]{scroll-margin-top:100px;}
.section-title{font-size:clamp(1.6rem,3vw,2.4rem);margin-bottom:18px;}
.divider-gold{width:70px;height:3px;background:var(--ascom-gold);margin:0 auto 24px;}
.awards-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
@media(max-width:860px){.awards-groups{grid-template-columns:repeat(2,1fr);}}
.award-group{
  background:var(--ascom-black-soft);color:var(--ascom-cream);padding:22px 18px;text-align:center;
  border:1px solid rgba(139,197,63,.2);font-family:var(--serif);font-size:1rem;
}