/* JDJ2026 – styles communs (mobile d'abord) */
:root{
  --red:#E31E24; --red-dark:#B8141A; --orange:#F29A2E; --gold:#F4C430;
  --navy:#1F2A6B; --navy-dark:#151D4D; --ink:#1b2145; --muted:#5a6285;
  --bg:#f6f7fb; --white:#fff; --line:#e3e6f0;
  --radius:16px; --shadow:0 8px 24px rgba(31,42,107,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
img{max-width:100%;height:auto}
a{color:var(--navy)}
h1,h2,h3{line-height:1.2;margin:0 0 .6rem;color:var(--navy)}
h1{font-size:clamp(1.8rem,6vw,3rem);font-weight:800}
h2{font-size:clamp(1.5rem,4.5vw,2.2rem);font-weight:800}
h3{font-size:1.1rem}
p{margin:0 0 1rem}
.container{width:100%;max-width:1100px;margin:0 auto;padding:0 18px}
.container--narrow{max-width:640px}
.section{padding:56px 0}
.section--white{background:var(--white)}
.section__head{text-align:center;max-width:680px;margin:0 auto 32px}
.eyebrow{display:inline-block;font-weight:700;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--red);margin-bottom:.5rem}
.lead{font-size:1.1rem;color:var(--muted)}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.8rem 1.4rem;border-radius:999px;border:2px solid transparent;font:inherit;font-weight:700;text-decoration:none;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s;text-align:center}
.btn:hover{transform:translateY(-1px)}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.btn--red{background:var(--red);color:#fff;box-shadow:0 6px 16px rgba(227,30,36,.3)}
.btn--red:hover{background:var(--red-dark)}
.btn--navy{background:var(--navy);color:#fff}
.btn--navy:hover{background:var(--navy-dark)}
.btn--ghost{background:transparent;border-color:var(--navy);color:var(--navy)}
.btn--ghost:hover{background:var(--navy);color:#fff}
.btn--ghost-light{background:transparent;border-color:#fff;color:#fff}
.btn--ghost-light:hover{background:#fff;color:var(--navy)}
.btn--sm{padding:.5rem 1rem;font-size:.9rem}
.btn--lg{padding:1rem 1.8rem;font-size:1.05rem;width:100%}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none}

/* Navigation */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav__in{display:flex;align-items:center;justify-content:space-between;min-height:62px}
.brand{display:flex;align-items:center;gap:6px;text-decoration:none;font-weight:900;font-size:1.3rem}
.brand__mark{background:var(--red);color:#fff;padding:2px 8px;border-radius:8px}
.brand__txt{color:var(--navy)}
.brand--light .brand__txt{color:#fff}
.burger{display:flex;flex-direction:column;gap:5px;background:none;border:0;padding:10px;cursor:pointer}
.burger span{display:block;width:24px;height:3px;background:var(--navy);border-radius:2px;transition:.2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.menu{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;flex-direction:column;padding:12px 18px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);gap:4px}
.menu.open{display:flex}
.menu a{padding:.7rem .4rem;text-decoration:none;font-weight:600;color:var(--ink);border-radius:8px}
.menu a:not(.btn):hover{color:var(--red)}
.menu .btn{margin-top:8px}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-dark) 60%,#2b1f55 100%);color:#fff;position:relative;overflow:hidden;padding:36px 0 56px}
.hero::before{content:"";position:absolute;inset:auto -80px -120px auto;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,var(--orange) 0,transparent 65%);opacity:.35}
.hero::after{content:"";position:absolute;left:-90px;top:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,var(--red) 0,transparent 65%);opacity:.35}
.hero__grid{display:grid;gap:28px;position:relative;z-index:1}
.hero h1{color:#fff}
.hero h1 span{color:var(--gold)}
.hero__kicker{font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);font-size:.85rem}
.hero__theme{font-size:1.2rem;font-weight:600;margin:1rem 0 .2rem}
.hero__ref{color:#cfd5ff;margin-bottom:1.2rem}
.hero__chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:1.4rem}
.chip{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);padding:.35rem .8rem;border-radius:999px;font-size:.92rem;font-weight:600}
.hero__cta{display:flex;flex-direction:column;gap:12px}
.hero__poster{justify-self:center;width:min(100%,420px)}
.hero__poster img{display:block;width:100%;border-radius:20px;box-shadow:0 20px 50px rgba(0,0,0,.4);border:4px solid rgba(255,255,255,.9)}

/* Cartes */
.cards{display:grid;gap:16px;grid-template-columns:1fr 1fr}
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line)}
.info{padding:22px 16px;text-align:center;border-top:5px solid var(--red)}
.info:nth-child(2){border-top-color:var(--orange)}
.info:nth-child(3){border-top-color:var(--gold)}
.info:nth-child(4){border-top-color:var(--navy)}
.info__ico{font-size:1.8rem;display:block;margin-bottom:.3rem}
.info h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.info p{margin:0;font-weight:800;font-size:1.1rem;color:var(--navy)}
.about{display:grid;gap:24px}
.about__item{padding:22px}
.about__item h3{color:var(--red)}
.steps{display:grid;gap:16px;counter-reset:s}
.step{padding:22px 22px 22px 70px;position:relative}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:20px;top:20px;width:36px;height:36px;border-radius:50%;background:var(--red);color:#fff;font-weight:800;display:grid;place-items:center}

.cta-band{background:linear-gradient(120deg,var(--red),var(--orange));color:#fff;text-align:center;padding:56px 0}
.cta-band h2{color:#fff}
.cta-band .btn{background:#fff;color:var(--red);box-shadow:0 8px 20px rgba(0,0,0,.2)}

/* Pied de page */
.footer{background:var(--navy-dark);color:#cfd5ff;padding-top:40px}
.footer a{color:#fff;text-decoration:none}
.footer a:hover{text-decoration:underline}
.footer h3{color:#fff}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin:.3rem 0}
.footer__grid{display:grid;gap:24px}
.footer__sig{font-style:italic;color:var(--gold)}
.footer__bar{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding:16px 0;font-size:.85rem;text-align:center}

/* Alertes */
.alert{padding:.8rem 1rem;border-radius:12px;margin-bottom:1rem;font-weight:600}
.alert--ok{background:#e7f7ec;color:#14663a;border:1px solid #b8e6c8}
.alert--err{background:#fdeaea;color:#9b1c1c;border:1px solid #f4bcbc}

@media(min-width:760px){
  .burger{display:none}
  .menu{display:flex;position:static;flex-direction:row;align-items:center;padding:0;border:0;box-shadow:none;background:none;gap:6px}
  .menu .btn{margin:0 0 0 8px}
  .hero{padding:64px 0 80px}
  .hero__grid{grid-template-columns:1.1fr .9fr;align-items:center}
  .hero__cta{flex-direction:row}
  .cards{grid-template-columns:repeat(4,1fr)}
  .about{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .footer__grid{grid-template-columns:1.4fr 1fr 1fr}
  .btn--lg{width:auto}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}