/* =========================================================
   ICHH Yaoundé 2026 — Feuille de style principale
   Conception & développement : Henser Studio — HENRYSERGE LLC (studio.henrysergellc.com)
   ========================================================= */

:root{
  --navy:#0B2B4A;
  --navy-900:#071e35;
  --navy-800:#123A5F;
  --navy-600:#1B4E7A;
  --teal:#0F8496;
  --teal-500:#17A2B8;
  --teal-300:#63C9D6;
  --teal-050:#E8F6F8;
  --gold:#C79A45;
  --gold-soft:#E7C983;
  --ink:#0E1C26;
  --body:#41535F;
  --muted:#6B7C89;
  --line:#E2E9EE;
  --line-soft:#EFF4F7;
  --bg:#FFFFFF;
  --bg-soft:#F4F8FA;
  --bg-deep:#06253F;

  --serif:"Playfair Display",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;

  --wrap:1180px;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(11,43,74,.05),0 4px 14px rgba(11,43,74,.05);
  --shadow:0 10px 30px rgba(11,43,74,.08),0 2px 6px rgba(11,43,74,.04);
  --shadow-lg:0 26px 60px rgba(11,43,74,.14);
  --header-h:76px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:100px}
body{
  margin:0;background:var(--bg);color:var(--body);
  font-family:var(--sans);font-size:16.5px;line-height:1.68;
  font-weight:400;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal);text-decoration:none;transition:color .2s}
a:hover{color:var(--navy-600)}
h1,h2,h3,h4,h5{color:var(--ink);font-weight:600;line-height:1.18;margin:0 0 .6em;letter-spacing:-.012em}
h1,h2,h3{font-family:var(--serif);font-weight:600}
h1{font-size:clamp(2.05rem,4.6vw,3.55rem);line-height:1.08;letter-spacing:-.022em}
h2{font-size:clamp(1.65rem,3.2vw,2.5rem);line-height:1.14}
h3{font-size:clamp(1.15rem,1.8vw,1.4rem)}
h4{font-family:var(--sans);font-size:1.02rem;font-weight:700;letter-spacing:-.005em}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.1em;padding-left:1.15em}
li{margin-bottom:.45em}
strong{color:var(--ink);font-weight:600}
hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0}
:focus-visible{outline:3px solid var(--teal-300);outline-offset:3px;border-radius:6px}
::selection{background:var(--teal-300);color:#fff}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-inline:24px}
.narrow{max-width:820px;margin-inline:auto}
.section{padding:clamp(60px,8vw,110px) 0}
.section--soft{background:var(--bg-soft)}
.section--deep{background:var(--bg-deep);color:#C9DCE8}
.section--deep h2,.section--deep h3,.section--deep h4{color:#fff}
.section--tight{padding-block:clamp(44px,5vw,70px)}

/* ---------- eyebrow / titles ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-size:.735rem;font-weight:700;letter-spacing:.17em;text-transform:uppercase;
  color:var(--teal);margin:0 0 1rem;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--gold);display:block;flex:none}
.section--deep .eyebrow{color:var(--teal-300)}
.lead{font-size:clamp(1.02rem,1.5vw,1.16rem);line-height:1.7;color:var(--body)}
.section--deep .lead,.section--deep p{color:#B9D0DE}
.head-block{max-width:760px;margin-bottom:clamp(34px,4vw,56px)}
.head-block.center{margin-inline:auto;text-align:center}
.head-block.center .eyebrow{justify-content:center}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:var(--sans);font-size:.925rem;font-weight:600;letter-spacing:.005em;
  padding:.92rem 1.6rem;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:all .25s var(--ease);text-align:center;
}
.btn--primary{background:var(--teal);color:#fff;box-shadow:0 8px 22px rgba(15,132,150,.28)}
.btn--primary:hover{background:var(--teal-500);color:#fff;transform:translateY(-2px);box-shadow:0 14px 32px rgba(15,132,150,.34)}
.btn--ghost{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06)}
.btn--ghost:hover{background:#fff;color:var(--navy);border-color:#fff;transform:translateY(-2px)}
.btn--outline{border-color:var(--line);color:var(--navy);background:#fff}
.btn--outline:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-2px)}
.btn--gold{background:var(--gold);color:#fff}
.btn--gold:hover{background:#b1873a;color:#fff;transform:translateY(-2px)}
.btn--sm{padding:.62rem 1.15rem;font-size:.85rem}
.btn--block{width:100%}

/* ---------- header ---------- */
.site-header{
  position:fixed;inset:0 0 auto;z-index:100;height:var(--header-h);
  display:flex;align-items:center;
  background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s,background .3s;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(11,43,74,.07)}
.site-header .wrap{display:flex;align-items:center;gap:1.4rem}
.brand{display:flex;align-items:center;gap:.7rem;margin-right:auto;flex:none}
.brand img{height:42px;width:auto}
.brand-txt{display:flex;flex-direction:column;line-height:1.1}
.brand-txt b{font-family:var(--serif);font-size:1.12rem;color:var(--navy);letter-spacing:-.01em}
.brand-txt span{font-size:.66rem;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);font-weight:600}

.nav{display:flex;align-items:center;gap:.15rem}
.nav a{
  font-size:.815rem;font-weight:600;letter-spacing:.055em;text-transform:uppercase;
  color:var(--navy);padding:.55rem .68rem;border-radius:8px;position:relative;white-space:nowrap;
}
.nav a::after{
  content:"";position:absolute;left:.68rem;right:.68rem;bottom:.3rem;height:2px;
  background:var(--teal);transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.nav a:hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}
.nav a[aria-current="page"]{color:var(--teal)}

.header-tools{display:flex;align-items:center;gap:.7rem;flex:none}
.lang{
  display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;
  padding:2px;background:#fff;
}
.lang button{
  font:inherit;font-size:.76rem;font-weight:700;letter-spacing:.06em;
  padding:.3rem .62rem;border:0;background:transparent;color:var(--muted);
  border-radius:999px;cursor:pointer;transition:all .2s;
}
.lang button[aria-pressed="true"]{background:var(--navy);color:#fff}
.lang button:hover{color:var(--navy)}
.lang button[aria-pressed="true"]:hover{color:#fff}

.burger{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer;padding:0;align-items:center;justify-content:center}
.burger span{display:block;width:18px;height:1.8px;background:var(--navy);position:relative;transition:.25s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:1.8px;background:var(--navy);transition:.25s}
.burger span::before{top:-6px}.burger span::after{top:6px}
@media (max-width:600px){
  .header-tools .btn--sm{display:none}
  .brand img{height:36px}
  .brand-txt b{font-size:1rem}
}
body.nav-open .burger span{background:transparent}
body.nav-open .burger span::before{top:0;transform:rotate(45deg)}
body.nav-open .burger span::after{top:0;transform:rotate(-45deg)}

@media (max-width:1180px){
  .burger{display:inline-flex}
  .nav{
    position:fixed;inset:var(--header-h) 0 auto;flex-direction:column;align-items:stretch;
    background:#fff;padding:1rem 1.4rem 2rem;gap:0;border-bottom:1px solid var(--line);
    box-shadow:0 20px 40px rgba(11,43,74,.12);
    transform:translateY(-12px);opacity:0;visibility:hidden;transition:.28s var(--ease);
    max-height:calc(100vh - var(--header-h));overflow-y:auto;
  }
  body.nav-open .nav{transform:none;opacity:1;visibility:visible}
  .nav a{padding:.85rem .2rem;font-size:.92rem;border-bottom:1px solid var(--line-soft)}
  .nav a::after{display:none}
}

/* ---------- hero ---------- */
.hero{position:relative;min-height:min(92vh,820px);display:flex;align-items:flex-end;padding-top:var(--header-h);overflow:hidden;background:var(--navy-900)}
.hero__bg{position:absolute;inset:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:62% 35%}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(105deg,rgba(6,28,48,.95) 0%,rgba(6,28,48,.86) 34%,rgba(6,28,48,.42) 62%,rgba(6,28,48,.22) 100%),
    linear-gradient(to top,rgba(4,20,35,.85) 0%,rgba(4,20,35,0) 45%);
}
.hero__inner{position:relative;z-index:2;width:100%;padding-block:clamp(48px,7vw,86px)}
.hero__content{max-width:740px}
.hero .badge{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.19em;text-transform:uppercase;
  color:#fff;border:1px solid rgba(255,255,255,.35);padding:.45rem .95rem;border-radius:999px;
  background:rgba(255,255,255,.08);margin-bottom:1.5rem;
}
.hero h1{color:#fff;margin-bottom:.35em}
.hero h1 em{font-style:normal;color:var(--teal-300)}
.hero__year{
  font-family:var(--sans);font-size:clamp(1rem,1.7vw,1.22rem);font-weight:700;
  letter-spacing:.34em;text-transform:uppercase;color:var(--gold-soft);margin:0 0 1.5rem;
}
.hero__theme{
  border-left:3px solid var(--teal-300);padding-left:1.1rem;margin:0 0 2rem;
  font-size:clamp(.98rem,1.5vw,1.1rem);font-style:italic;color:#DCEAF2;max-width:36em;
}
.hero__facts{display:flex;flex-wrap:wrap;gap:2.4rem;margin-bottom:2.2rem}
.hero__facts dt{font-size:.68rem;letter-spacing:.17em;text-transform:uppercase;color:var(--teal-300);font-weight:700;margin-bottom:.3rem}
.hero__facts dd{margin:0;color:#fff;font-size:1.02rem;font-weight:600}
.hero__cta{display:flex;flex-wrap:wrap;gap:.8rem}
.hero__scroll{position:absolute;right:26px;bottom:26px;z-index:3;color:rgba(255,255,255,.6);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;writing-mode:vertical-rl;display:flex;align-items:center;gap:.7rem}
.hero__scroll::after{content:"";width:1px;height:46px;background:linear-gradient(rgba(255,255,255,.55),transparent)}
@media (max-width:640px){.hero__scroll{display:none}}
@media (max-width:760px){
  .hero__bg img{object-position:72% 22%}
  .hero__bg::after{background:linear-gradient(to bottom,rgba(6,28,48,.70) 0%,rgba(6,28,48,.88) 50%,rgba(4,20,35,.95) 100%)}
  .hero{min-height:auto}
  .hero__facts{gap:1.4rem 2.4rem}
}

/* page hero (inner pages) */
.phero{position:relative;padding-top:calc(var(--header-h) + 60px);padding-bottom:60px;background:var(--navy-900);overflow:hidden}
.phero__bg{position:absolute;inset:0}
.phero__bg img{width:100%;height:100%;object-fit:cover;opacity:.42}
.phero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,28,48,.94),rgba(6,28,48,.72))}
.phero .wrap{position:relative;z-index:2}
.phero h1{color:#fff;font-size:clamp(1.9rem,3.8vw,2.95rem);margin-bottom:.35em;max-width:16em}
.phero p{color:#B9D0DE;max-width:44em;margin:0}
.phero .eyebrow{color:var(--teal-300)}
.crumbs{display:flex;flex-wrap:wrap;gap:.45rem;font-size:.78rem;color:#8FAEC2;margin-bottom:1.2rem}
.crumbs a{color:#8FAEC2}.crumbs a:hover{color:#fff}
.crumbs span{opacity:.5}

/* ---------- countdown ---------- */
.countdown{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:2rem}
.countdown div{
  min-width:74px;padding:.7rem .6rem;text-align:center;border-radius:12px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(6px);
}
.countdown b{display:block;font-family:var(--serif);font-size:1.55rem;color:#fff;line-height:1}
.countdown small{display:block;margin-top:.25rem;font-size:.6rem;letter-spacing:.13em;text-transform:uppercase;color:var(--teal-300);font-weight:700}

/* ---------- partner strip ---------- */
.strip{background:var(--navy);padding:26px 0}
.strip__label{text-align:center;font-size:.66rem;letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.55);margin-bottom:18px;font-weight:700}
.strip__logos{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px}
.strip__logos img{width:132px;height:62px;background:#fff;border-radius:10px;padding:8px 12px;object-fit:contain;flex:none}
@media (max-width:520px){.strip__logos img{width:104px;height:54px}}

/* ---------- grid & cards ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#D2E2EA}
.card h3,.card h4{margin-bottom:.5em}
.card p:last-child{margin-bottom:0}
.card__ico{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--teal-050);color:var(--teal);margin-bottom:18px;
}
.card__ico svg{width:23px;height:23px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card--num::before{
  content:attr(data-num);position:absolute;right:16px;bottom:2px;z-index:0;
  font-family:var(--serif);font-size:3.6rem;color:#EEF4F7;line-height:1;pointer-events:none;
}
.card--num>*{position:relative;z-index:1}
.panel-mini{display:block}
.panel-mini .pn{
  display:inline-flex;font-size:.66rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:#fff;background:var(--teal);padding:.26rem .62rem;border-radius:999px;margin-bottom:.85rem;
}
.panel-mini h4{font-size:.96rem;line-height:1.4;margin:0}
.card--flat{background:var(--bg-soft);border-color:transparent}
.card--deep{background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.13);color:#B9D0DE}
.card--deep:hover{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.08)}

/* ---------- stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  background:linear-gradient(120deg,var(--teal) 0%,var(--navy-600) 100%);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
}
.stats div{padding:30px 20px;text-align:center;border-right:1px solid rgba(255,255,255,.14)}
.stats div:last-child{border-right:0}
.stats b{display:block;font-family:var(--serif);font-size:clamp(1.8rem,3.2vw,2.5rem);color:#fff;line-height:1.1}
.stats span{display:block;margin-top:.4rem;font-size:.74rem;letter-spacing:.09em;text-transform:uppercase;color:rgba(255,255,255,.82);font-weight:600}
@media (max-width:620px){.stats div{border-right:0;border-bottom:1px solid rgba(255,255,255,.14)}}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,70px);align-items:center}
.split--rev .split__media{order:-1}
@media (max-width:900px){.split{grid-template-columns:1fr}.split--rev .split__media{order:0}}
.split__media{position:relative}
.split__media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%}
.split__media .tag{
  position:absolute;left:-14px;bottom:24px;background:#fff;border-radius:12px;
  padding:14px 20px;box-shadow:var(--shadow);border:1px solid var(--line);max-width:230px;
}
.split__media .tag b{display:block;font-family:var(--serif);font-size:1.6rem;color:var(--teal);line-height:1}
.split__media .tag span{font-size:.75rem;color:var(--muted);line-height:1.35;display:block;margin-top:.2rem}

/* ---------- speakers ---------- */
.speaker{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .32s var(--ease),box-shadow .32s var(--ease)}
.speaker:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.speaker__img{aspect-ratio:6/5;overflow:hidden;background:var(--bg-soft)}
.speaker__img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.speaker:hover .speaker__img img{transform:scale(1.05)}
.speaker__body{padding:20px 22px 24px}
.speaker__body h4{margin-bottom:.25em;font-size:.95rem;letter-spacing:.005em}
.speaker__body p{margin:0;font-size:.82rem;color:var(--muted);line-height:1.5}

/* ---------- institutions ---------- */
.logos{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}
.logos figure{
  margin:0;background:#fff;border:1px solid var(--line);border-radius:12px;
  height:110px;display:flex;align-items:center;justify-content:center;padding:18px;
  transition:border-color .3s,transform .3s var(--ease);
}
.logos figure:hover{border-color:var(--teal-300);transform:translateY(-3px)}
.logos img{max-height:100%;width:auto;max-width:100%;object-fit:contain}

/* ---------- programme timeline ---------- */
.daytabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.daytabs button{
  font:inherit;font-size:.83rem;font-weight:600;padding:.75rem 1.15rem;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--navy);cursor:pointer;
  transition:all .25s var(--ease);text-align:left;line-height:1.3;
}
.daytabs button b{display:block;font-size:.95rem}
.daytabs button small{display:block;color:var(--muted);font-weight:500;font-size:.75rem;margin-top:.15rem}
.daytabs button[aria-selected="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
.daytabs button[aria-selected="true"] small{color:var(--teal-300)}
.daytabs button:hover{border-color:var(--teal)}

.timeline{border-left:2px solid var(--line);padding-left:0;margin:0;list-style:none}
.timeline li{position:relative;padding:0 0 30px 30px;margin:0}
.timeline li::before{
  content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:2.5px solid var(--teal);
}
.timeline li:last-child{padding-bottom:0}
.timeline time{display:inline-block;font-size:.76rem;font-weight:700;letter-spacing:.09em;color:var(--teal);margin-bottom:.3rem}
.timeline h4{display:flex;flex-wrap:wrap;align-items:center;gap:.1rem .5rem}
.timeline h4{margin-bottom:.3em}
.timeline p{margin:0;font-size:.93rem}
.tl-tag{display:inline-block;font-size:.66rem;font-weight:700;letter-spacing:.11em;text-transform:uppercase;padding:.2rem .55rem;border-radius:6px;background:var(--teal-050);color:var(--teal);margin-left:.5rem;vertical-align:2px}
.tl-tag--gold{background:#FBF3E2;color:#9A742C}

/* ---------- panels ---------- */
.panel-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative;transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .3s}
.panel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#D2E2EA}
.panel-card .pn{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:#fff;background:var(--teal);padding:.3rem .7rem;border-radius:999px;margin-bottom:1rem;
}
.panel-card h3{font-size:1.1rem;margin-bottom:.6em}
.panel-card ul{font-size:.88rem;padding-left:1.05em;margin-bottom:1em}
.panel-card ul li{margin-bottom:.3em}
.panel-card .who{font-size:.78rem;color:var(--muted);border-top:1px solid var(--line-soft);padding-top:.9rem;margin:0}
.panel-card .who b{color:var(--navy);font-weight:600}

/* ---------- accordion ---------- */
.acc{border-top:1px solid var(--line)}
.acc details{border-bottom:1px solid var(--line)}
.acc summary{
  cursor:pointer;list-style:none;padding:1.15rem 2.6rem 1.15rem 0;position:relative;
  font-family:var(--serif);font-size:1.08rem;font-weight:600;color:var(--ink);
}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{
  content:"";position:absolute;right:.5rem;top:1.55rem;width:11px;height:11px;
  border-right:2px solid var(--teal);border-bottom:2px solid var(--teal);
  transform:rotate(45deg);transition:transform .3s var(--ease);
}
.acc details[open] summary::after{transform:rotate(-135deg)}
.acc .acc__body{padding:0 0 1.4rem;font-size:.95rem}
.acc .acc__body p:last-child,.acc .acc__body ul:last-child{margin-bottom:0}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:.9rem}
thead th{
  background:var(--navy);color:#fff;text-align:left;padding:14px 18px;
  font-size:.72rem;letter-spacing:.11em;text-transform:uppercase;font-weight:700;white-space:nowrap;
}
tbody td{padding:14px 18px;border-top:1px solid var(--line-soft);vertical-align:top}
tbody tr:nth-child(even){background:#FAFCFD}
tbody tr:hover{background:var(--teal-050)}
td.num{font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:600;color:var(--navy)}

/* ---------- pricing ---------- */
.price{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px 28px;
  display:flex;flex-direction:column;transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .3s;
}
.price:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.price--feat{border-color:var(--gold);box-shadow:0 18px 44px rgba(199,154,69,.16)}
.price__tier{font-size:.7rem;font-weight:700;letter-spacing:.17em;text-transform:uppercase;color:var(--teal);margin-bottom:.9rem}
.price--feat .price__tier{color:var(--gold)}
.price h3{font-size:1.28rem;margin-bottom:.35em}
.price__amt{font-family:var(--serif);font-size:1.85rem;color:var(--navy);line-height:1.1;margin-bottom:.15em;white-space:nowrap}
.price__cur{font-family:var(--sans);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:1.3rem}
.price ul{list-style:none;padding:0;margin:0 0 1.6rem;font-size:.9rem}
.price ul li{position:relative;padding-left:1.5rem;margin-bottom:.55em}
.price ul li::before{
  content:"";position:absolute;left:0;top:.52em;width:7px;height:11px;
  border-right:2px solid var(--teal);border-bottom:2px solid var(--teal);transform:rotate(42deg);
}
.price .btn{margin-top:auto}

/* ---------- gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.gallery figure{margin:0;border-radius:12px;overflow:hidden;background:var(--bg-soft);aspect-ratio:4/3}
.gallery figure img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.gallery figure:hover img{transform:scale(1.06)}
.gallery .tall{grid-row:span 2;aspect-ratio:auto}
@media (max-width:900px){.gallery{grid-template-columns:repeat(2,1fr)}.gallery .tall{grid-row:span 1;aspect-ratio:4/3}}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(115deg,var(--navy-900) 0%,var(--navy-800) 55%,var(--teal) 160%);
  color:#fff;border-radius:var(--radius-lg);padding:clamp(36px,5vw,58px);
  display:grid;grid-template-columns:1.4fr auto;gap:30px;align-items:center;
}
.cta-band h2{color:#fff;margin-bottom:.3em}
.cta-band p{color:#B9D0DE;margin:0;max-width:46em}
.cta-band__act{display:flex;flex-direction:column;gap:.7rem;min-width:220px}
@media (max-width:820px){.cta-band{grid-template-columns:1fr}}

/* ---------- forms ---------- */
.form{display:grid;gap:18px;grid-template-columns:repeat(2,1fr)}
.form .full{grid-column:1/-1}
@media (max-width:640px){.form{grid-template-columns:1fr}}
.field label{display:block;font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--navy);margin-bottom:.45rem}
.field input,.field select,.field textarea{
  width:100%;font:inherit;font-size:.95rem;color:var(--ink);background:#fff;
  border:1px solid var(--line);border-radius:10px;padding:.8rem .95rem;transition:border-color .2s,box-shadow .2s;
}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--teal);box-shadow:0 0 0 3px rgba(23,162,184,.14)}
.field .hint{font-size:.76rem;color:var(--muted);margin:.4rem 0 0}
.check{display:flex;gap:.7rem;align-items:flex-start;font-size:.86rem}
.check input{width:18px;height:18px;margin-top:.15rem;flex:none;accent-color:var(--teal)}
.form-note{font-size:.82rem;color:var(--muted)}
.alert{padding:1rem 1.2rem;border-radius:10px;font-size:.9rem;margin-bottom:1.4rem}
.alert--ok{background:#E9F7EF;color:#1E6B45;border:1px solid #BFE5D0}
.alert--err{background:#FDECEC;color:#8E2C2C;border:1px solid #F2C5C5}

/* ---------- contact ---------- */
.contact-item{display:flex;gap:1rem;margin-bottom:1.6rem}
.contact-item svg{width:20px;height:20px;flex:none;margin-top:.25rem;stroke:var(--teal);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.contact-item h4{margin-bottom:.15em}
.contact-item p{margin:0;font-size:.93rem}
.contact-item a{color:var(--body)}
.contact-item a:hover{color:var(--teal)}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-900);color:#8FAEC2;padding-top:clamp(52px,6vw,78px);font-size:.92rem}
.site-footer h4{color:#fff;font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:1.15rem;font-family:var(--sans)}
.site-footer a{color:#8FAEC2}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:46px}
@media (max-width:920px){.footer-grid{grid-template-columns:1fr 1fr;gap:34px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-brand img{height:74px;width:auto;margin-bottom:1.1rem}
.footer-brand p{font-size:.88rem;line-height:1.6;color:#8FAEC2}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:.6em}
.footer-partners{display:flex;flex-wrap:wrap;gap:10px;margin-top:1rem}
.footer-partners img{width:104px;height:56px;background:#fff;border-radius:8px;padding:7px 10px;object-fit:contain;flex:none}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;font-size:.8rem;
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:1.2rem}
.signature{display:inline-flex;align-items:center;gap:.55rem;color:#7B99AC;font-size:.79rem}
.signature svg{width:15px;height:13px;flex:none}
.signature a{color:#CBDDE8;font-weight:600}
.signature a:hover{color:#fff}
.tagline{text-align:center;padding:16px 0 0;font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;color:var(--teal-300);font-weight:700}

/* ---------- misc ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:60;width:44px;height:44px;border-radius:50%;
  background:var(--navy);color:#fff;border:0;cursor:pointer;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s var(--ease);box-shadow:var(--shadow)
}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--teal)}
.to-top svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.wa-float{
  position:fixed;left:22px;bottom:22px;z-index:60;display:inline-flex;align-items:center;gap:.55rem;
  background:#25D366;color:#fff;border-radius:999px;padding:.7rem 1.1rem;font-size:.85rem;font-weight:600;
  box-shadow:0 10px 26px rgba(37,211,102,.35);
}
.wa-float:hover{color:#fff;transform:translateY(-2px)}
.wa-float svg{width:19px;height:19px;fill:currentColor}
@media (max-width:560px){.wa-float span{display:none}.wa-float{padding:.8rem}}
.skip{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:.7rem 1.1rem;z-index:200;border-radius:0 0 8px 0}
.skip:focus{left:0;color:#fff}
.mini-note{font-size:.8rem;color:var(--muted);font-style:italic}
.legal h2{font-size:1.3rem;margin-top:2.2rem}
.legal h2:first-child{margin-top:0}

/* =========================================================
   RAFFINEMENTS — révision du 26 octobre 2026
   ========================================================= */

:root{
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.38'/%3E%3C/svg%3E");
}

/* ---------- barre de progression de lecture ---------- */
.progress{
  position:fixed;top:0;left:0;height:2px;z-index:120;width:0;
  background:linear-gradient(90deg,var(--teal) 0%,var(--teal-300) 55%,var(--gold) 100%);
  transition:width .12s linear;pointer-events:none;
}

/* ---------- typographie ---------- */
h1{letter-spacing:-.028em}
h2{letter-spacing:-.018em}
.lead{color:#50626F}
.eyebrow{font-size:.7rem;letter-spacing:.22em}
.eyebrow::before{width:22px;height:1.5px}
.head-block h2{max-width:20ch}
.head-block.center h2{max-width:24ch}
.narrow p.lead:first-of-type::first-letter{font-size:1em}

/* ---------- en-tête ---------- */
.site-header{background:rgba(255,255,255,.86)}
.site-header.is-stuck{background:rgba(255,255,255,.96)}
.brand img{transition:transform .4s var(--ease)}
.brand:hover img{transform:scale(1.06) rotate(-3deg)}
.nav a::after{height:1.5px;bottom:.34rem}
.lang{box-shadow:inset 0 0 0 1px rgba(11,43,74,.03)}
.lang button[aria-pressed="true"]{box-shadow:0 2px 6px rgba(11,43,74,.22)}

/* ---------- hero ---------- */
.hero__bg img{transform:scale(1.04);animation:heroDrift 26s ease-in-out infinite alternate}
@keyframes heroDrift{from{transform:scale(1.04) translate3d(0,0,0)}to{transform:scale(1.1) translate3d(-1.2%,-1%,0)}}
@media (prefers-reduced-motion:reduce){.hero__bg img{animation:none}}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:var(--grain);opacity:.05;mix-blend-mode:overlay;
}
.hero .badge{
  background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28);
  letter-spacing:.16em;backdrop-filter:blur(6px);
}
.hero h1{text-wrap:balance;text-shadow:0 2px 28px rgba(3,16,28,.35)}
.hero__year{
  position:relative;padding-left:0;display:inline-block;
  border-bottom:1px solid rgba(231,201,131,.35);padding-bottom:.4rem;
}
.hero__theme{border-left-width:2px}
.hero__facts{
  gap:0;border-top:1px solid rgba(255,255,255,.16);border-bottom:1px solid rgba(255,255,255,.16);
  padding-block:1.1rem;margin-bottom:2rem;
}
.hero__facts>div{padding-right:2.2rem;margin-right:2.2rem;border-right:1px solid rgba(255,255,255,.16)}
.hero__facts>div:last-child{border-right:0;margin-right:0;padding-right:0}
@media (max-width:620px){
  .hero__facts{display:grid;grid-template-columns:1fr 1fr;gap:1rem 0}
  .hero__facts>div{padding-right:1rem;margin-right:1rem}
  .hero__facts>div:nth-child(2n){border-right:0;margin-right:0}
  .hero__facts>div:first-child{grid-column:1/-1;border-right:0;padding-bottom:.9rem;border-bottom:1px solid rgba(255,255,255,.16)}
}
.hero__cta .btn--primary{
  background:linear-gradient(135deg,var(--teal-500),var(--teal));
  box-shadow:0 10px 26px rgba(15,132,150,.36);
}
.countdown div{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.18);min-width:82px}
.countdown b{font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* courbe douce en bas du hero, en écho au croissant du logo */
.hero__curve{position:absolute;left:0;right:0;bottom:-1px;z-index:3;line-height:0;pointer-events:none}
.hero__curve svg{display:block;width:100%;height:clamp(38px,5vw,74px)}

/* ---------- bandeau institutions ---------- */
.strip{position:relative;background:linear-gradient(180deg,var(--navy) 0%,#0a2641 100%)}
.strip::after{content:"";position:absolute;inset:0;background-image:var(--grain);opacity:.045;pointer-events:none}
.strip .wrap{position:relative;z-index:1}
.strip__logos img{
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
  box-shadow:0 2px 10px rgba(0,0,0,.14);
}
.strip__logos img:hover{transform:translateY(-3px);box-shadow:0 10px 22px rgba(0,0,0,.22)}

/* ---------- cartes ---------- */
.card{border-radius:16px}
.card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--teal),var(--teal-300));
  transform:scaleX(0);transform-origin:left;transition:transform .42s var(--ease);
}
.card:hover::after{transform:scaleX(1)}
.card--deep::after{background:linear-gradient(90deg,var(--teal-300),var(--gold-soft))}
.card__ico{
  background:linear-gradient(140deg,var(--teal-050),#fff);
  box-shadow:inset 0 0 0 1px rgba(15,132,150,.12);
}
.section--deep .card__ico{background:rgba(255,255,255,.08);box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);color:var(--teal-300)}

/* cartes « journée » */
.card--day{padding-top:34px}
.card--day .day-no{
  position:absolute;top:0;left:28px;
  font-size:.64rem;font-weight:700;letter-spacing:.17em;text-transform:uppercase;
  color:#fff;background:var(--navy);padding:.32rem .7rem;border-radius:0 0 8px 8px;
}
.card--day .day-sub{
  font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal);margin:-.3em 0 .9em;
}

/* ---------- chiffres ---------- */
.stats{
  background:
    radial-gradient(120% 160% at 0% 0%,rgba(99,201,214,.42) 0%,transparent 55%),
    linear-gradient(120deg,var(--teal) 0%,var(--navy-600) 60%,var(--navy-800) 100%);
  position:relative;
}
.stats::after{content:"";position:absolute;inset:0;background-image:var(--grain);opacity:.06;pointer-events:none}
.stats div{position:relative;z-index:1}
.stats b{font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stats span{font-size:.7rem;letter-spacing:.11em}

/* ---------- sections sombres ---------- */
.section--deep{position:relative;overflow:hidden}
.section--deep::before{
  content:"";position:absolute;width:62vw;height:62vw;max-width:760px;max-height:760px;
  right:-16%;top:-28%;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(99,201,214,.14) 0%,transparent 66%);
}
.section--deep::after{content:"";position:absolute;inset:0;background-image:var(--grain);opacity:.05;pointer-events:none}
.section--deep .wrap{position:relative;z-index:1}

/* ---------- intervenants ---------- */
.speaker{border-radius:16px}
.speaker__img{position:relative}
.speaker__img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(6,28,48,.5),transparent 52%);
  opacity:0;transition:opacity .4s var(--ease);
}
.speaker:hover .speaker__img::after{opacity:1}
.speaker__body{border-top:1px solid var(--line-soft)}

/* ---------- institutions ---------- */
.logos figure{border-radius:14px;box-shadow:0 1px 2px rgba(11,43,74,.04)}

/* ---------- programme ---------- */
.daytabs button{padding:.85rem 1.3rem;border-radius:14px}
.daytabs button[aria-selected="true"]{box-shadow:0 10px 24px rgba(11,43,74,.18)}
.timeline{border-left-color:#DFE8EE}
.timeline li::before{box-shadow:0 0 0 4px #fff}
.timeline li:hover::before{background:var(--teal)}
.timeline time{font-variant-numeric:tabular-nums}
.tl-tag{border:1px solid rgba(15,132,150,.18)}
.tl-tag--gold{border-color:rgba(199,154,69,.26)}

/* ---------- tarifs ---------- */
.price{border-radius:18px}
.price--feat{position:relative}
.price--feat::before{
  content:"";position:absolute;inset:-1px;border-radius:19px;pointer-events:none;
  background:linear-gradient(140deg,rgba(199,154,69,.5),rgba(199,154,69,0) 55%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;padding:1px;
}

/* ---------- bandeau d'appel ---------- */
.cta-band{position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;right:-90px;bottom:-190px;border-radius:50%;
  background:radial-gradient(circle,rgba(99,201,214,.2) 0%,transparent 65%);pointer-events:none;
}
.cta-band>*{position:relative;z-index:1}

/* ---------- apparition ---------- */
.reveal{transform:translateY(22px) scale(.995)}
.reveal.in{transform:none}

/* ---------- pied de page ---------- */
.site-footer{position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;width:560px;height:560px;left:-180px;top:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(99,201,214,.09) 0%,transparent 65%);pointer-events:none;
}
.site-footer .wrap{position:relative;z-index:1}
.tagline{letter-spacing:.3em}
.footer-brand img{filter:drop-shadow(0 6px 18px rgba(0,0,0,.3))}

/* ---------- impression ---------- */
@media print{
  .site-header,.wa-float,.to-top,.progress,.hero__scroll{display:none!important}
  .hero{min-height:auto}
  a[href^="http"]::after{content:" (" attr(href) ")";font-size:.75em;color:#555}
}

/* compte à rebours sur petits écrans */
@media (max-width:470px){
  .countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:.45rem}
  .countdown div{min-width:0;padding:.62rem .3rem}
  .countdown b{font-size:1.32rem}
  .countdown small{font-size:.55rem;letter-spacing:.07em}
}

/* bandeau de journée unique (remplace les onglets) */
.dayhead{margin-bottom:34px}
.dayhead__in{
  display:inline-block;background:var(--navy);color:#fff;
  padding:1rem 1.6rem;border-radius:14px;box-shadow:0 10px 24px rgba(11,43,74,.18);
}
.dayhead__in b{display:block;font-family:var(--serif);font-size:1.25rem;line-height:1.2}
.dayhead__in small{display:block;color:var(--teal-300);font-weight:600;font-size:.82rem;margin-top:.3rem}

/* ===== Bandeau "Inscriptions officielles" ===== */
.offband{background:var(--gold,#C79A45);color:#1a1205;font-size:.92rem;line-height:1.4}
.offband .wrap{display:flex;align-items:center;justify-content:center;gap:.9rem 1.1rem;
  flex-wrap:wrap;padding:.62rem 1rem;text-align:center}
.offband p{margin:0}
.offband b{font-weight:700;letter-spacing:.2px}
.offband a{display:inline-flex;align-items:center;gap:.4rem;white-space:nowrap;
  background:#0B2B4A;color:#fff;text-decoration:none;font-weight:600;
  padding:.36rem .82rem;border-radius:999px;transition:transform .15s ease,background .15s ease}
.offband a:hover,.offband a:focus-visible{background:#12395f;transform:translateY(-1px)}
@media (max-width:620px){
  .offband{font-size:.84rem}
  .offband .wrap{flex-direction:column;gap:.5rem;padding:.55rem .9rem}
}
@media print{.offband{display:none}}

/* Bandeau fixe au-dessus de l'en-tete : decalage du header et des sections hautes */
:root{--offband-h:48px}
.offband{position:fixed;top:0;left:0;right:0;z-index:120;height:var(--offband-h);display:flex;align-items:center}
.offband .wrap{width:100%}
.site-header{top:var(--offband-h)}
.hero{padding-top:calc(var(--header-h) + var(--offband-h))}
.phero{padding-top:calc(var(--header-h) + var(--offband-h) + 60px)}
@media (max-width:900px){
  .nav{inset:calc(var(--header-h) + var(--offband-h)) 0 auto !important;
       max-height:calc(100vh - var(--header-h) - var(--offband-h)) !important}
}
@media (max-width:620px){:root{--offband-h:62px}}

/* Mobile : bandeau compact sur une seule ligne */
@media (max-width:620px){
  :root{--offband-h:42px}
  .offband{font-size:.8rem}
  .offband .wrap{flex-direction:row;justify-content:center;gap:.6rem;padding:.42rem .7rem;flex-wrap:nowrap}
  .offband p span{display:none}
  .offband a{padding:.28rem .62rem;font-size:.78rem}
}

/* la hauteur reelle du bandeau est mesuree en JS et ecrite dans --offband-h */
.offband{height:auto}