@font-face{font-family:"Geist";src:url(fonts/geist-sans-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Geist";src:url(fonts/geist-sans-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Geist";src:url(fonts/geist-sans-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Serif";src:url(fonts/instrument-serif-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Serif";src:url(fonts/instrument-serif-latin-400-italic.woff2) format("woff2");font-weight:400;font-style:italic;font-display:swap}

:root{
  --stone:#F3F3F0;     /* fond clair */
  --paper:#FFFFFF;
  --ink:#111317;       /* texte */
  --graphite:#1A1C20;  /* sections sombres */
  --graphite-2:#24272D;
  --mute:#6C6F76;
  --mute-d:#9A9DA4;    /* texte secondaire sur fond sombre */
  --line:#E1E1DC;
  --line-d:#30333A;
  --gold:#B8975A;      /* accent champagne, rare */
  --gold-l:#D8C39A;
  --ok:#3F8F6E;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"Geist",system-ui,sans-serif;background:var(--stone);color:var(--ink);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
.wrap{width:min(1160px,100% - 32px);margin-inline:auto}
.narrow{width:min(740px,100% - 32px);margin-inline:auto}
.serif{font-family:"Serif",Georgia,serif;font-weight:400}

/* ---------- en-tête ---------- */
.top{position:sticky;top:0;z-index:30;background:rgba(26,28,32,.82);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid rgba(255,255,255,.06);color:#fff}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.mark{font-weight:600;font-size:19px;letter-spacing:-.01em;text-decoration:none;display:flex;align-items:center;gap:10px}
.mark .dot{color:var(--gold)}
.mark svg{width:26px;height:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;font-weight:500;font-size:16px;text-decoration:none;border-radius:999px;padding:14px 26px;border:1px solid transparent;cursor:pointer;transition:background .2s ease,border-color .2s ease,color .2s ease}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--gold-l)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:#2a2d33}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{border-color:#fff}
.btn-outline{border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-gold{background:var(--gold);color:#16130d}
.btn-gold:hover{background:var(--gold-l)}
.btn-sm{padding:9px 18px;font-size:14.5px}

/* ---------- héros ---------- */
.hero{position:relative;overflow:hidden;background:var(--graphite);color:#fff;padding:84px 0 96px}
.hero::before{content:"";position:absolute;width:900px;height:900px;right:-260px;top:-240px;background:radial-gradient(circle,rgba(184,151,90,.20),transparent 60%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero h1{font-family:"Serif",Georgia,serif;font-weight:400;font-size:clamp(68px,10.5vw,148px);line-height:.9;letter-spacing:-.02em}
.hero .lead{font-size:clamp(18px,1.6vw,21px);line-height:1.55;color:#C9CBD0;margin:26px 0 34px;max-width:34ch}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px}
.hero .facts{display:flex;flex-wrap:wrap;gap:8px 26px;margin-top:34px;color:var(--mute-d);font-size:14.5px;list-style:none}
.hero .facts li{display:flex;align-items:center;gap:9px}
.hero .facts li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}

/* téléphone 3D */
.stage{position:relative;height:620px;perspective:1600px;display:flex;align-items:center;justify-content:center}
.stage::after{content:"";position:absolute;bottom:34px;left:50%;width:240px;height:26px;transform:translateX(-50%);background:radial-gradient(ellipse,rgba(0,0,0,.55),transparent 70%);filter:blur(6px);animation:shadow 9s ease-in-out infinite}
.phone{position:relative;width:286px;height:584px;transform-style:preserve-3d;animation:turn 9s ease-in-out infinite}
.phone .face,.phone .back{position:absolute;inset:0;border-radius:46px;backface-visibility:hidden}
.phone .face{background:#0b0c0e;padding:11px;box-shadow:inset 0 0 0 2px #3a3d44,inset 0 0 0 5px #0b0c0e,inset 0 0 0 6px #4a4d55}
.phone .back{transform:rotateY(180deg);background:linear-gradient(160deg,#2e3138,#17191d);box-shadow:inset 0 0 0 2px #3a3d44;display:flex;align-items:center;justify-content:center}
.phone .back svg{width:64px;height:64px;opacity:.85}
.phone .edge{position:absolute;top:22px;bottom:22px;width:12px;right:-6px;background:linear-gradient(90deg,#2a2d33,#4a4d55,#2a2d33);transform:rotateY(90deg);border-radius:6px}
.screen{position:relative;height:100%;border-radius:36px;overflow:hidden;background:var(--stone);color:var(--ink);font-size:11px}
.screen .island{position:absolute;top:9px;left:50%;transform:translateX(-50%);width:84px;height:24px;border-radius:14px;background:#000;z-index:3}
.screen .sbar{display:flex;justify-content:space-between;padding:12px 22px 0;font-weight:600;font-size:11px}
.screen .shead{padding:22px 18px 14px;background:var(--graphite);color:#fff;margin-top:-26px;padding-top:44px}
.screen .shead small{display:block;color:var(--mute-d);font-size:10px}
.screen .shead b{display:block;font-family:"Serif",Georgia,serif;font-weight:400;font-size:27px;line-height:1;margin-top:4px}
.screen .pbar{height:5px;border-radius:9px;background:#3a3d44;margin-top:12px;overflow:hidden}
.screen .pbar i{display:block;height:100%;width:42%;background:var(--gold);animation:fill 9s ease-in-out infinite}
.screen .plbl{font-size:9.5px;color:var(--mute-d);margin-top:6px}
.screen ul{list-style:none;padding:12px 12px 0}
.screen li{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 11px;margin-bottom:8px}
.screen li .n{font-family:"Serif",Georgia,serif;font-size:19px;line-height:1;width:24px;color:var(--mute)}
.screen li span:not(.n){flex:1;font-weight:500;font-size:11.5px;line-height:1.25}
.screen li .s{width:17px;height:17px;border-radius:50%;border:1.5px solid var(--line);flex:none}
.screen li.done .s{background:var(--ok);border-color:var(--ok)}
.screen li.now{border-color:var(--ink)}
.screen li.now .s{border-color:var(--gold);box-shadow:inset 0 0 0 3px #fff;background:var(--gold)}
.screen .cta{margin:8px 12px 0;text-align:center;background:var(--ink);color:#fff;border-radius:999px;padding:10px;font-weight:500}
@keyframes turn{0%,100%{transform:rotateY(-24deg) rotateX(6deg) translateY(0)}50%{transform:rotateY(24deg) rotateX(2deg) translateY(-14px)}}
@keyframes shadow{0%,100%{opacity:1;width:240px}50%{opacity:.6;width:200px}}
@keyframes fill{0%,100%{width:42%}50%{width:58%}}

/* ---------- sections ---------- */
section{padding:112px 0}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-bottom:56px}
.sec-title{font-family:"Serif",Georgia,serif;font-weight:400;font-size:clamp(42px,5.6vw,72px);line-height:1;letter-spacing:-.015em}
.sec-sub{font-size:18px;color:var(--mute);max-width:44ch}
.dark{background:var(--graphite);color:#fff}
.dark .sec-sub{color:var(--mute-d)}

/* paliers */
.path{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink)}
.path li{padding:26px 26px 0 0;border-right:1px solid var(--line);margin-right:26px}
.path li:last-child{border-right:0;margin-right:0}
.path .k{font-family:"Serif",Georgia,serif;font-size:56px;line-height:1;color:var(--gold)}
.path h3{font-size:19px;font-weight:600;margin-top:18px;letter-spacing:-.01em}
.path p{font-size:15.5px;color:var(--mute);margin-top:6px;max-width:26ch}

/* programme */
.prog{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}
.prog-col h3{display:flex;justify-content:space-between;align-items:baseline;font-weight:600;font-size:16px;padding-bottom:14px;border-bottom:1px solid var(--line-d)}
.prog-col h3 em{font-style:normal;color:var(--mute-d);font-weight:400}
.prog-col.lic h3 em{color:var(--gold-l)}
.prog-col ol{list-style:none}
.prog-col li{display:grid;grid-template-columns:38px 1fr;gap:6px;padding:16px 0;border-bottom:1px solid var(--line-d)}
.prog-col li b{font-family:"Serif",Georgia,serif;font-weight:400;font-size:22px;line-height:1;color:var(--mute-d)}
.prog-col li span{font-weight:500;font-size:16px;line-height:1.3}
.prog-col li small{display:block;color:var(--mute-d);font-size:14px;line-height:1.45;margin-top:5px;font-weight:400}

/* trio */
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--ink)}
.trio>div{padding:30px 30px 0 0}
.trio>div+div{padding-left:30px;border-left:1px solid var(--line)}
.trio h3{font-family:"Serif",Georgia,serif;font-weight:400;font-size:34px;line-height:1.05}
.trio p{margin-top:12px;color:var(--mute);max-width:32ch}

/* offres */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.plan{position:relative;display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:34px 30px 30px}
.plan.featured{border-color:var(--ink)}
.plan.premium{background:var(--graphite);color:#fff;border-color:var(--gold);box-shadow:0 40px 80px -40px rgba(17,19,23,.6)}
.plan .badge{position:absolute;top:-13px;left:30px;font-size:12.5px;font-weight:600;border-radius:999px;padding:5px 12px;background:var(--ink);color:#fff}
.plan.premium .badge{background:var(--gold);color:#16130d}
.plan h3{font-family:"Serif",Georgia,serif;font-weight:400;font-size:36px;line-height:1}
.plan .for{color:var(--mute);margin-top:6px;font-size:15.5px}
.plan.premium .for{color:var(--mute-d)}
.plan .price{display:flex;align-items:baseline;gap:6px;margin:28px 0 2px}
.plan .price b{font-family:"Serif",Georgia,serif;font-weight:400;font-size:72px;line-height:.9;letter-spacing:-.02em}
.plan .price span{font-size:22px}
.plan .once{font-size:13.5px;color:var(--mute)}
.plan.premium .once{color:var(--mute-d)}
.plan ul{list-style:none;margin:26px 0 30px;padding-top:22px;border-top:1px solid var(--line);flex:1}
.plan.premium ul{border-top-color:var(--line-d)}
.plan li{display:grid;grid-template-columns:20px 1fr;gap:10px;padding:6px 0;font-size:15px;line-height:1.45}
.plan li svg{width:18px;height:18px;margin-top:2px}
.plan li.plus{font-weight:600}
.plan .btn{width:100%}
.plan .note{font-size:12.5px;color:var(--mute);text-align:center;margin-top:12px}
.plan.premium .note{color:var(--mute-d)}

/* licence */
.licence .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.checks{list-style:none;margin:28px 0 34px;border-top:1px solid var(--line-d)}
.checks li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line-d);font-size:16.5px}
.checks li::before{content:"";flex:none;width:7px;height:7px;border-radius:50%;background:var(--gold);margin-top:10px}
.calc{border:1px solid var(--line-d);border-radius:24px;padding:34px;background:var(--graphite-2)}
.calc h3{font-weight:600;font-size:15px;color:var(--mute-d)}
.calc table{width:100%;border-collapse:collapse;margin-top:12px}
.calc td{padding:16px 0;border-bottom:1px solid var(--line-d);font-size:16px}
.calc td:last-child{text-align:right;font-family:"Serif",Georgia,serif;font-size:34px;line-height:1;color:#fff}
.calc tr:last-child td{border-bottom:0}
.calc .fine{font-size:12.5px;color:var(--mute-d);margin-top:14px}

/* faq */
.faq{border-top:1px solid var(--ink)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:24px 44px 24px 0;font-weight:500;font-size:18px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:32px;width:12px;height:12px;border-right:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);transform:rotate(45deg);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(-135deg);top:36px}
.faq details p{padding:0 0 24px;color:var(--mute);max-width:62ch}

/* final */
.final{text-align:center}
.final .sec-title{max-width:16ch;margin-inline:auto}
.final p{color:var(--mute-d);margin:18px auto 34px;max-width:46ch}

/* pied */
footer{padding:48px 0 60px;background:var(--graphite);color:var(--mute-d);font-size:14px;border-top:1px solid var(--line-d)}
footer .wrap{display:flex;flex-wrap:wrap;gap:16px 28px;justify-content:space-between}
footer nav{display:flex;flex-wrap:wrap;gap:20px}
footer a{text-decoration:none}
footer a:hover{color:#fff}
footer .disc{flex-basis:100%;font-size:12.5px;line-height:1.55;max-width:92ch}

/* ---------- pages légales ---------- */
.doc{padding:72px 0 100px}
.doc h1{font-family:"Serif",Georgia,serif;font-weight:400;font-size:56px;line-height:1;margin-bottom:28px}
.doc h2{font-size:19px;font-weight:600;margin:32px 0 8px}
.doc p,.doc li{color:#3d4046;margin-bottom:10px}
.doc ul{margin-left:22px}

/* ---------- espace formation ---------- */
.space-hero{background:var(--graphite);color:#fff;padding:64px 0 56px}
.space-hero h1{font-family:"Serif",Georgia,serif;font-weight:400;font-size:clamp(46px,6.5vw,80px);line-height:.95}
.space-hero p{color:var(--mute-d);font-size:17px;margin-top:16px;max-width:52ch}
.progress{margin-top:30px;max-width:460px}
.progress .bar{height:6px;border-radius:99px;background:var(--line-d);overflow:hidden}
.progress .fill{height:100%;width:0;background:var(--gold);transition:width .5s}
.progress .lbl{font-size:13.5px;color:var(--mute-d);margin-top:10px}
.space-body{padding:56px 0 96px}
.group-title{display:flex;align-items:baseline;justify-content:space-between;font-weight:600;font-size:15px;padding-bottom:12px;border-bottom:1px solid var(--ink);margin:0 0 18px}
.group-title small{font-weight:400;color:var(--mute)}
.mods{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px;margin-bottom:56px}
.mod{position:relative;display:grid;grid-template-columns:56px 1fr;gap:4px 14px;text-decoration:none;background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:22px 22px 22px 20px;transition:border-color .2s}
.mod:hover{border-color:var(--ink)}
.mod .n{grid-row:span 2;font-family:"Serif",Georgia,serif;font-size:40px;line-height:1;color:var(--gold)}
.mod h2{font-size:17px;font-weight:600;line-height:1.25;padding-right:64px}
.mod p{font-size:14px;color:var(--mute);line-height:1.5}
.mod .done{position:absolute;top:20px;right:20px;font-size:12px;font-weight:600;color:var(--ok)}

/* leçon */
.lesson-top{background:var(--graphite);color:#fff;padding:52px 0 40px}
.lesson-top .crumb{font-size:14px;color:var(--mute-d);text-decoration:none}
.lesson-top .crumb:hover{color:#fff}
.lesson-top h1{font-family:"Serif",Georgia,serif;font-weight:400;font-size:clamp(42px,6vw,70px);line-height:1;margin-top:18px}
.lesson-top .n{color:var(--gold)}
.lesson-top p{font-size:18px;line-height:1.55;color:#C9CBD0;margin-top:18px;max-width:58ch}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.toc a{font-size:13.5px;text-decoration:none;border:1px solid var(--line-d);border-radius:99px;padding:7px 14px;color:var(--mute-d)}
.toc a:hover{color:#fff;border-color:var(--mute-d)}
.paper{padding:64px 0 96px}
.prose{font-size:17.5px;line-height:1.75}
.prose h2{font-family:"Serif",Georgia,serif;font-weight:400;font-size:40px;line-height:1.05;margin:64px 0 18px;scroll-margin-top:84px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:19px;font-weight:600;margin:34px 0 10px}
.prose p{margin-bottom:16px}
.prose ul,.prose ol{margin:0 0 18px 22px}
.prose li{margin-bottom:8px}
.prose strong{font-weight:600}
.prose blockquote{font-family:"Serif",Georgia,serif;font-size:26px;line-height:1.3;border-left:2px solid var(--gold);padding:2px 0 2px 22px;margin:26px 0}
.tbl{overflow-x:auto;margin:20px 0 28px;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:16px;background:var(--paper)}
.prose table{border-collapse:collapse;width:100%;font-size:15.5px}
.prose th{text-align:left;padding:13px 16px;font-weight:600;border-bottom:1px solid var(--ink);background:var(--paper)}
.prose td{padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.prose tr:last-child td{border-bottom:0}
.box{border-radius:18px;padding:22px 24px 8px;margin:24px 0 28px;position:relative}
.box-t{font-weight:600;font-size:14px;margin-bottom:8px}
.box.riad{background:var(--paper);border:1px solid var(--line);border-left:3px solid var(--gold)}
.box.alerte{background:#F7ECE8;border:1px solid #EBD3CA}
.box.alerte .box-t{color:#9C3B22}
.box.action{background:var(--graphite);color:#fff}
.box.action .box-t{color:var(--gold-l)}
.box.modele,.box.prompt{background:var(--paper);border:1px dashed #C9C9C2}
.box.modele .box-t,.box.prompt .box-t{color:var(--mute)}
.box.note{background:var(--paper);border:1px solid var(--ink);font-size:15.5px}
.copy{position:absolute;top:14px;right:14px;font-family:inherit;font-size:12.5px;font-weight:500;border:1px solid var(--line);border-radius:99px;padding:5px 12px;background:var(--stone);color:var(--ink);cursor:pointer}
.copy:hover{border-color:var(--ink)}
.copy.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.lesson-end{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin-top:56px;padding-top:28px;border-top:1px solid var(--ink)}
.check-done{display:inline-flex;align-items:center;gap:10px;font-family:inherit;font-weight:500;font-size:16px;background:var(--ink);color:#fff;border:0;border-radius:99px;padding:14px 24px;cursor:pointer}
.check-done[aria-pressed="true"]{background:var(--ok)}
.nav-next{font-weight:500;text-decoration:none;border-bottom:1px solid var(--ink);padding-bottom:2px}

/* ---------- mouvement réduit ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .phone,.stage::after,.screen .pbar i{animation:none}
  .phone{transform:rotateY(-14deg) rotateX(4deg)}
}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero .wrap,.licence .wrap,.sec-head{grid-template-columns:1fr}
  .sec-head{gap:16px;margin-bottom:40px}
  .stage{height:560px}
  .path{grid-template-columns:1fr 1fr;row-gap:30px}
  .path li:nth-child(2){border-right:0;margin-right:0}
  .prog,.plans{grid-template-columns:1fr}
  .plans{gap:26px}
  .plan.premium{order:-2}.plan.featured{order:-1}
  .trio{grid-template-columns:1fr}
  .trio>div+div{padding-left:0;border-left:0;border-top:1px solid var(--line)}
  .trio>div{padding:26px 0}
}
@media (max-width:560px){
  body{font-size:16px}
  section{padding:76px 0}
  .hero{padding:52px 0 40px}
  .stage{height:500px;margin-top:6px}
  .phone{width:240px;height:490px}
  .screen{font-size:10px}
  .path{grid-template-columns:1fr}
  .path li{border-right:0;margin-right:0;border-bottom:1px solid var(--line);padding-bottom:22px}
  .path li:last-child{border-bottom:0}
  .top .btn-sm{padding:8px 14px;font-size:13.5px}
  .plan{padding:30px 22px 24px}
  .prose{font-size:16.5px}
  .prose h2{font-size:32px}
  .prose table{font-size:14px}
  .prose th,.prose td{padding:10px 11px}
}

/* ---------- accents ---------- */
.eyebrow{font-size:13px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:22px}
.hero h1 em,.sec-title em{font-style:italic;color:var(--gold)}
.dark .sec-title em,.hero h1 em{color:var(--gold-l)}
.faq-title{margin-bottom:40px}
.trio{margin-top:96px}
.licence .sec-title{margin-bottom:6px}
.final .btn{margin-top:4px}
@media (max-width:560px){.trio{margin-top:64px}}
.hero h1 em{display:inline-block;padding-left:.07em}
@media (max-width:560px){.hero .ctas .btn{width:100%}.hero .facts{gap:8px 18px}}

/* téléphone 3D (WebGL) */
.stage canvas{position:absolute;inset:0;width:100%!important;height:100%!important;display:block;cursor:grab;touch-action:pan-y}
.stage canvas:active{cursor:grabbing}
.stage.gl .phone{display:none}
.stage.gl::after{display:none}
.stage::before{content:"";position:absolute;width:420px;height:420px;left:50%;top:50%;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(circle,rgba(216,195,154,.16),transparent 65%);pointer-events:none}

/* logo Ri */
.mark{gap:12px}
.mark svg.mono{width:auto;height:30px}
.mark .sep{width:1px;height:24px;background:var(--gold);opacity:.55}
.mark .wm{font-family:"Serif",Georgia,serif;font-weight:400;font-size:25px;letter-spacing:0;line-height:1}
.mark .wm i{font-style:italic}