/* ==========================================================================
   ZONE8 — Design System  (Hyrox-inspired: dark, bold, energetic)
   ========================================================================== */
:root {
  --bg:#0B0B0C; --bg-2:#111113; --surface:#16161A; --surface-2:#1E1E24;
  --border:rgba(255,255,255,.08); --border-2:rgba(255,255,255,.14);
  --text:#F4F4F2; --muted:#9C9CA3; --muted-2:#6E6E76;
  --accent:#FFE600; --accent-ink:#0B0B0C; --accent-2:#FF4D17;
  --font-display:'Anton','Arial Narrow',sans-serif;
  --font-body:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --maxw:1200px; --radius:14px; --radius-lg:24px; --gutter:clamp(20px,5vw,48px);
  --shadow:0 20px 60px rgba(0,0,0,.45); --transition:.25s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}*{margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.6;font-size:17px;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}a{color:inherit;text-decoration:none}ul{list-style:none;padding:0}button{font-family:inherit;cursor:pointer}
h1,h2,h3,.display{font-family:var(--font-display);font-weight:400;line-height:.95;letter-spacing:.01em;text-transform:uppercase}
h1{font-size:clamp(2.8rem,8vw,6.2rem)}h2{font-size:clamp(2rem,5vw,3.6rem)}h3{font-size:clamp(1.4rem,3vw,2rem)}
.eyebrow{font-family:var(--font-body);font-weight:700;text-transform:uppercase;letter-spacing:.22em;font-size:.78rem;color:var(--accent);display:inline-flex;align-items:center;gap:.6em}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--accent);display:inline-block}
.accent{color:var(--accent)}.lead{font-size:clamp(1.05rem,2vw,1.25rem);color:var(--muted)}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(64px,10vw,130px);position:relative}
.section--tight{padding-block:clamp(48px,7vw,90px)}
.grid{display:grid;gap:clamp(20px,3vw,36px)}.center{text-align:center}.mx-auto{margin-inline:auto}
.maxw-720{max-width:720px}.maxw-820{max-width:820px}
.btn{display:inline-flex;align-items:center;gap:.6em;font-weight:700;font-size:.95rem;text-transform:uppercase;letter-spacing:.06em;padding:16px 28px;border-radius:100px;border:1px solid transparent;transition:transform var(--transition),background var(--transition),color var(--transition),border-color var(--transition);white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:var(--accent-ink)}.btn-primary:hover{background:#FFEE4D;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border-2)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-dark{background:var(--surface-2);color:var(--text);border-color:var(--border)}.btn-dark:hover{border-color:var(--accent)}
.btn .arrow{transition:transform var(--transition)}.btn:hover .arrow{transform:translateX(4px)}
.nav{position:sticky;top:0;z-index:100;background:rgba(11,11,12,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:.55rem;font-family:var(--font-display);font-size:1.5rem;letter-spacing:.02em}
.brand__mark{width:36px;height:36px;display:block;flex:none}
.nav__links{display:flex;align-items:center;gap:30px}
.nav__links a{font-weight:600;font-size:.95rem;color:var(--muted);transition:color var(--transition)}
.nav__links a:hover,.nav__links a.active{color:var(--text)}
.nav__cta{display:flex;align-items:center;gap:14px}
.nav__toggle{display:none;background:none;border:0;color:var(--text);width:44px;height:44px}.nav__toggle svg{width:26px;height:26px}
@media(max-width:920px){
 .nav__links,.nav__cta .btn-ghost{display:none}
 .nav__toggle{display:grid;place-items:center}
 .nav__links.open{display:flex;flex-direction:column;position:absolute;top:72px;left:0;right:0;background:var(--bg-2);border-bottom:1px solid var(--border);padding:22px var(--gutter) 32px;gap:20px;align-items:flex-start}
 .nav__links.open a{font-size:1.15rem;color:var(--text)}
}
.hero{position:relative;padding-block:clamp(70px,12vw,150px) clamp(60px,9vw,120px);overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0;background:radial-gradient(1200px 600px at 75% -10%,rgba(255,230,0,.10),transparent 60%),radial-gradient(800px 500px at 0% 100%,rgba(255,77,23,.08),transparent 55%)}
.hero__grid{position:absolute;inset:0;z-index:0;opacity:.5;background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);background-size:64px 64px;-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 30%,#000 30%,transparent 75%);mask-image:radial-gradient(ellipse 80% 70% at 50% 30%,#000 30%,transparent 75%)}
.hero .container{position:relative;z-index:2}
.hero h1{margin-block:.15em .25em}
.hero h1 .outline{-webkit-text-stroke:2px var(--accent);color:transparent}
.hero__sub{max-width:560px;margin-bottom:34px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero__bullets{display:flex;flex-wrap:wrap;gap:12px}
.chip{display:inline-flex;align-items:center;gap:.5em;background:var(--surface);border:1px solid var(--border);padding:9px 16px;border-radius:100px;font-size:.85rem;font-weight:600;color:var(--muted)}
.chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--border);border-radius:var(--radius-lg);background:linear-gradient(180deg,var(--surface),var(--bg-2));overflow:hidden}
.stat{padding:30px 26px;border-right:1px solid var(--border)}.stat:last-child{border-right:0}
.stat__num{font-family:var(--font-display);font-size:clamp(2.2rem,5vw,3.2rem);color:var(--accent);line-height:1}
.stat__label{color:var(--muted);font-size:.9rem;margin-top:8px}
@media(max-width:720px){.stats{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--border)}}
.cards{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;transition:transform var(--transition),border-color var(--transition),background var(--transition);position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);border-color:var(--border-2);background:var(--surface-2)}
.card__icon{width:52px;height:52px;border-radius:13px;background:rgba(255,230,0,.12);color:var(--accent);display:grid;place-items:center;margin-bottom:22px}.card__icon svg{width:26px;height:26px}
.card h3{font-size:1.3rem;margin-bottom:12px}.card p{color:var(--muted);font-size:.98rem}
.card__link{display:inline-flex;align-items:center;gap:.4em;margin-top:20px;font-weight:700;font-size:.9rem;color:var(--accent);text-transform:uppercase;letter-spacing:.05em}
.card__link .arrow{transition:transform var(--transition)}.card:hover .card__link .arrow{transform:translateX(4px)}
.card__num{position:absolute;top:18px;right:24px;font-family:var(--font-display);font-size:2.4rem;color:var(--border-2)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,6vw,80px);align-items:center}
.split--rev .split__media{order:-1}
@media(max-width:860px){.split{grid-template-columns:1fr}.split--rev .split__media{order:0}}
.split__media{border-radius:var(--radius-lg);border:1px solid var(--border);background:linear-gradient(160deg,var(--surface-2),var(--bg-2));min-height:340px;position:relative;overflow:hidden;display:grid;place-items:center}
.split__media .mediaword{font-family:var(--font-display);font-size:clamp(3rem,12vw,7rem);color:rgba(255,255,255,.05);text-transform:uppercase;line-height:.9;text-align:center}
.split p+p{margin-top:1.1em}.split h2{margin-bottom:24px}
.prose{color:var(--muted)}.prose h2{color:var(--text);margin:1.4em 0 .5em}.prose h3{color:var(--text);margin:1.6em 0 .4em;font-size:1.35rem}
.prose p{margin-bottom:1.1em}.prose strong{color:var(--text)}
.prose ul.bullets{display:grid;gap:12px;margin:1.2em 0}
.prose ul.bullets li{position:relative;padding-left:30px}
.prose ul.bullets li::before{content:"";position:absolute;left:0;top:.55em;width:12px;height:12px;border-radius:3px;background:var(--accent)}
.steps{display:grid;gap:18px}
.step{display:grid;grid-template-columns:60px 1fr;gap:22px;align-items:start;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px 28px}
.step__n{font-family:var(--font-display);font-size:2rem;color:var(--accent);line-height:1}
.step h3{font-size:1.2rem;margin-bottom:8px}.step p{color:var(--muted);font-size:.97rem}
.ex-list{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.ex{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px 26px;transition:border-color var(--transition),transform var(--transition)}
.ex:hover{border-color:var(--accent);transform:translateY(-3px)}
.ex__tag{font-size:.75rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-2)}
.ex h3{font-size:1.25rem;margin:10px 0 8px}.ex p{color:var(--muted);font-size:.93rem}
.cta-band{background:var(--accent);color:var(--accent-ink);border-radius:var(--radius-lg);padding:clamp(36px,6vw,64px);position:relative;overflow:hidden}
.cta-band h2{color:var(--accent-ink)}.cta-band .lead{color:rgba(11,11,12,.72)}
.cta-band__deco{position:absolute;right:-40px;top:-40px;font-family:var(--font-display);font-size:16rem;color:rgba(11,11,12,.06);line-height:.8;pointer-events:none}
.signup{display:grid;gap:18px;grid-template-columns:1.4fr 1fr;align-items:center;position:relative;z-index:2}
@media(max-width:760px){.signup{grid-template-columns:1fr}}
.form{display:flex;gap:10px;background:var(--accent-ink);border-radius:100px;padding:7px;border:1px solid rgba(255,255,255,.1)}
.form input{flex:1;background:transparent;border:0;color:var(--text);padding:12px 18px;font-size:1rem;outline:none;min-width:0}
.form input::placeholder{color:var(--muted-2)}.form button{border:0}
.form-note{font-size:.82rem;margin-top:12px;color:rgba(11,11,12,.6)}
.form-success{display:none;background:var(--accent-ink);color:var(--accent);border-radius:100px;padding:16px 24px;font-weight:600;text-align:center}
.form-success.show{display:block}
.footer{background:var(--bg-2);border-top:1px solid var(--border);padding-block:64px 32px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
@media(max-width:760px){.footer__grid{grid-template-columns:1fr 1fr;gap:32px}}
.footer__about{max-width:320px}.footer__about p{color:var(--muted);font-size:.95rem;margin-top:16px}
.footer h4{font-family:var(--font-body);font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-size:.8rem;color:var(--muted-2);margin-bottom:18px}
.footer ul{display:grid;gap:12px}.footer ul a{color:var(--muted);font-size:.95rem;transition:color var(--transition)}.footer ul a:hover{color:var(--accent)}
.footer__bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:50px;padding-top:24px;border-top:1px solid var(--border);color:var(--muted-2);font-size:.85rem}
.page-head{padding-block:clamp(60px,9vw,110px) clamp(30px,5vw,50px);position:relative;overflow:hidden}
.page-head__bg{position:absolute;inset:0;z-index:0;opacity:.6;background:radial-gradient(900px 400px at 80% -20%,rgba(255,230,0,.10),transparent 60%)}
.page-head .container{position:relative;z-index:2}
.page-head h1{font-size:clamp(2.4rem,7vw,5rem);margin:.2em 0 .3em}.page-head .lead{max-width:640px}
.breadcrumb{font-size:.85rem;color:var(--muted-2);margin-bottom:10px}.breadcrumb a:hover{color:var(--accent)}
.divider{height:1px;background:var(--border);border:0}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* Accessibilité & landmarks ------------------------------------------------ */
main{display:block}
.skip-link{position:absolute;left:-9999px;top:0;z-index:300;background:var(--accent);color:var(--accent-ink);padding:12px 20px;font-weight:700;border-radius:0 0 10px 0;text-transform:uppercase;letter-spacing:.05em}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
.btn:focus-visible,.form input:focus-visible{outline-offset:2px}