@font-face{font-family:"Bricolage Grotesque";src:url(fonts/bricolage.woff2) format("woff2");font-weight:200 800;font-display:swap}
@font-face{font-family:"Instrument Sans";src:url(fonts/instrument-sans.woff2) format("woff2");font-weight:400 700;font-display:swap}

:root{
  --accent:#1F45FF;--accent-hover:#1530C0;--accent-soft:#E3E8FF;--accent-ink:#3A4FB0;
  --ink:#0B0D12;--text:#3E4553;--muted:#5A6170;--line:#E1E5EC;--panel:#F2F4F8;
  --dark:#0B0D12;--dark-card:#171A22;--dark-text:#B8BECB;
  --display:"Bricolage Grotesque",system-ui,sans-serif;
  --body:"Instrument Sans",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}a:hover{color:var(--accent-hover)}
img{max-width:100%;display:block}
h1,h2,h3,p{margin:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding-top:88px;padding-bottom:88px}
.eyebrow{font-weight:600;font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.h2{font-family:var(--display);font-weight:700;font-size:clamp(30px,4vw,44px);letter-spacing:-.02em;line-height:1.1}
.lead{color:var(--text);max-width:640px}

/* Boutons */
.btn{display:inline-flex;align-items:center;min-height:44px;padding:16px 24px;border-radius:12px;font-weight:600;font-size:17px;text-decoration:none;transition:background .15s,border-color .15s}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);color:#fff}
.btn-ghost{color:var(--ink);border:1.5px solid #C9CED8}.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn-white{background:#fff;color:var(--ink)}.btn-white:hover{background:var(--accent-soft);color:var(--ink)}
.btn-sm{padding:12px 18px;font-size:15px;border-radius:10px}

/* En-tête */
.header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid transparent}
.header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding-top:16px;padding-bottom:16px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.logo span{font-family:var(--display);font-weight:800;font-size:24px;letter-spacing:-.02em}
.logo:hover{color:var(--ink)}
.nav{display:flex;flex-wrap:wrap;align-items:center;gap:6px 24px;font-weight:500;font-size:15px}
.nav a:not(.btn){color:var(--ink);text-decoration:none}
.nav a:not(.btn):hover{color:var(--accent)}

/* Accueil */
.hero{display:flex;flex-wrap:wrap;gap:56px;align-items:center;padding-top:64px;padding-bottom:88px}
.hero-text{flex:1 1 520px;min-width:0}
.hero h1{margin-top:18px;font-family:var(--display);font-weight:800;font-size:clamp(42px,6vw,76px);line-height:1.02;letter-spacing:-.035em}
.hero .lead{margin-top:24px;font-size:20px;max-width:560px}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.note{margin-top:18px;font-size:14px;color:var(--muted)}
.flow{flex:1 1 380px;min-width:0;background:var(--panel);border-radius:22px;padding:28px;display:flex;flex-direction:column;gap:14px}
.flow-title{font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.step{background:#fff;border-radius:14px;padding:16px 18px;display:flex;gap:14px;align-items:flex-start}
.step-n{flex:0 0 auto;width:30px;height:30px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center}
.step strong{display:block;font-weight:600}
.step small{display:block;font-size:15px;color:var(--muted)}
.flow-note{font-size:13px;color:var(--muted);margin-top:6px}

/* Problèmes */
.dark{background:var(--dark);color:#fff}
.dark .lead{color:var(--dark-text);margin:12px 0 44px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.problem{background:var(--dark-card);border-radius:18px;padding:28px}
.problem h3{margin:18px 0 8px;font-size:21px;font-weight:600}
.problem p{color:var(--dark-text)}

/* Offres */
.section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:40px}
.section-head p{color:var(--muted);font-size:15px}
.offers{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.offer{border:1.5px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:10px}
.offer .tag{font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.05em;text-transform:uppercase}
.offer h3{font-size:21px;font-weight:600;line-height:1.25}
.offer p{color:#4A5160;font-size:15px;flex-grow:1}
.offer .price{margin-top:8px;flex-grow:0;font-family:var(--display);font-weight:700;font-size:28px;color:var(--ink)}
.offer .price span{font-family:var(--body);font-weight:500;font-size:15px;color:var(--muted)}
.more{margin-top:28px;color:#4A5160}

/* Méthode */
.panel{background:var(--panel)}
.method{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:32px;margin-top:44px}
.method .n{font-family:var(--display);font-weight:800;font-size:56px;color:var(--accent);line-height:1}
.method h3{margin:14px 0 8px;font-size:21px;font-weight:600}
.method p{color:#4A5160}

/* Démonstrations */
.demos{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));margin-top:40px}
.demo{display:flex;flex-direction:column;gap:14px}
.demo .shot{aspect-ratio:16/10;background:var(--accent-soft);border-radius:16px;display:flex;align-items:center;justify-content:center;color:var(--accent-ink);font-size:14px;font-weight:600;text-align:center;padding:16px}
.demo h3{font-weight:600;font-size:18px}
.demo p{font-size:15px;color:var(--muted)}

/* À propos */
.about{border:1.5px solid var(--line);border-radius:24px;padding:40px;display:flex;flex-wrap:wrap;gap:36px;align-items:center}
.avatar{flex:0 0 160px;height:160px;border-radius:50%;background:var(--accent-soft);color:var(--accent-ink);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:800;font-size:56px;overflow:hidden}
.about-text{flex:1 1 420px;min-width:0}
.about h2{font-family:var(--display);font-weight:700;font-size:32px;letter-spacing:-.02em;margin-bottom:12px}
.about p{color:#4A5160;font-size:18px}

/* Appel à l'action */
.cta{background:var(--accent);color:#fff;border-radius:28px;padding:56px 40px;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between}
.cta div{flex:1 1 480px;min-width:0}
.cta h2{font-family:var(--display);font-weight:800;font-size:clamp(30px,4vw,46px);letter-spacing:-.02em;line-height:1.08}
.cta p{margin-top:14px;color:var(--accent-soft);font-size:18px}

/* Pied de page */
.footer{border-top:1px solid var(--line)}
.footer .wrap{padding-top:32px;padding-bottom:40px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;font-size:14px;color:var(--muted)}
.footer nav{display:flex;flex-wrap:wrap;gap:20px}
.footer nav a{color:var(--muted)}

/* Pages de texte (mentions, données) */
.doc{max-width:760px;margin:0 auto;padding:56px 24px 88px}
.doc h1{font-family:var(--display);font-weight:800;font-size:clamp(34px,5vw,52px);letter-spacing:-.03em;line-height:1.05;margin-bottom:12px}
.doc h2{font-family:var(--display);font-weight:700;font-size:24px;margin:40px 0 10px}
.doc p,.doc li{color:var(--text)}
.doc p+p{margin-top:12px}
.doc ul{padding-left:22px;margin:10px 0}
.doc .updated{color:var(--muted);font-size:15px}
.todo{background:#FFF4D6;color:#6B4A0E;padding:0 4px;border-radius:4px}

@media (max-width:640px){
  .section{padding-top:64px;padding-bottom:64px}
  .hero{padding-top:40px;padding-bottom:64px;gap:40px}
  .hero-text,.flow{flex-basis:100%}
  .about,.cta{padding:32px 24px}
  .header{position:static}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}