:root{
  --bg:#0B0B0B;
  --bg-alt:#121212;
  --card:#161616;
  --card-border:#242424;
  --accent:#F7931A;
  --accent-2:#E3350D;
  --green:#4ADE80;
  --text:#F5F5F3;
  --muted:#A3A3A0;
  --font-display:"Fraunces",Georgia,serif;
  --font-body:"Inter",Arial,sans-serif;
  --radius:16px;
  --container:min(92%,1180px);
}

*{margin:0;padding:0;box-sizing:border-box}

html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{animation-duration:0.001ms !important;transition-duration:0.001ms !important}
}

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}

.container{width:var(--container);margin:0 auto}

a{color:inherit}
img{display:block;max-width:100%}
ul,ol{list-style:none}

.visually-hidden{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

h1,h2,h3{font-family:var(--font-display);font-weight:600;letter-spacing:-0.01em}
h1{font-size:clamp(2.4rem,5vw,4rem);line-height:1.05;color:var(--text)}
h2{font-size:clamp(1.8rem,3.6vw,2.6rem);line-height:1.1;color:var(--text);margin-bottom:.4em}
h3{font-size:1.25rem;color:var(--text);margin-bottom:.5em}

p{color:var(--muted)}

.eyebrow{
  display:block;
  font-family:var(--font-body);
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:.9em;
}

.section-lede{max-width:52ch;font-size:1.05rem;margin-bottom:2.4em}

/* ---------- Boutons ---------- */
.btn{
  padding:14px 26px;border-radius:999px;text-decoration:none;
  display:inline-block;font-weight:700;font-size:.95rem;
  border:none;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease;
  font-family:var(--font-body);
}
.btn:hover{transform:translateY(-1px)}
.btn:focus-visible{outline:2px solid var(--text);outline-offset:3px}
.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#0B0B0B;display:inline-flex;align-items:center;gap:9px}
.primary:hover{box-shadow:0 8px 24px -8px rgba(247,147,26,.55)}
.btn-small{padding:10px 18px;font-size:.85rem}
.ig-icon{flex-shrink:0}

/* ---------- Header ---------- */
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,11,11,.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--card-border);
  padding:14px 0;
}
.header-inner{display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:800;font-size:1.15rem;margin-right:auto}
.logo-text{
  font-family:"Poppins",sans-serif;
  font-weight:500;
  text-transform:uppercase;
  letter-spacing:.08em;
  font-size:1.05rem;
}
.footer-brand .logo-text{font-size:.92rem}
.t-token{color:var(--text)}
.t-ami{color:var(--accent)}
nav{display:flex;gap:22px;flex-wrap:wrap}
nav a{text-decoration:none;color:var(--muted);font-size:.92rem;font-weight:500;transition:color .15s}
nav a:hover{color:var(--text)}

/* ---------- Layout sections ---------- */
.section{padding:110px 0}
.section-alt{background:var(--bg-alt)}

/* ---------- Hero ---------- */
.hero{padding-top:70px;padding-bottom:90px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.badge{
  display:inline-block;padding:8px 16px;border:1px solid var(--card-border);
  border-radius:999px;color:var(--accent);font-size:.82rem;font-weight:600;margin-bottom:22px;
}
.hero-lede{font-size:1.12rem;margin:22px 0 30px;max-width:46ch;color:var(--muted)}
.hero-note{font-size:.82rem;margin-top:14px;color:var(--muted)}

/* Phone mockup — illustration de l'app, pas une vraie capture d'écran */
.hero-visual{display:flex;justify-content:center}
.phone-mock{
  width:min(320px,90%);
  background:linear-gradient(180deg,#141416,#0d0d0f);
  border:1px solid var(--card-border);
  border-radius:34px;
  padding:22px 20px 14px;
  box-shadow:0 40px 80px -30px rgba(0,0,0,.7);
}
.phone-mock-topbar{display:flex;justify-content:flex-end;margin-bottom:10px}
.phone-mock-xp{font-size:.78rem;font-weight:700;color:var(--accent)}
.phone-mock-progress{height:6px;background:#222;border-radius:4px;margin-bottom:18px;overflow:hidden}
.phone-mock-progress span{display:block;width:62%;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.phone-mock-slide{font-size:.82rem;color:var(--text);line-height:1.5;margin-bottom:18px}
.phone-mock-quiz p{color:var(--text);font-size:.85rem;font-weight:600;margin-bottom:10px}
.phone-mock-option{
  font-size:.78rem;padding:9px 12px;border-radius:10px;background:#1c1c1e;
  color:var(--muted);margin-bottom:7px;border:1px solid transparent;
}
.phone-mock-option.correct{background:rgba(74,222,128,.12);color:var(--green);border-color:rgba(74,222,128,.35)}
.phone-mock-tip{
  font-size:.76rem;background:rgba(74,222,128,.08);border:1px solid rgba(74,222,128,.25);
  color:var(--green);padding:10px 12px;border-radius:10px;margin:14px 0 16px;line-height:1.4;
}
.phone-mock-tabbar{display:flex;justify-content:space-between;border-top:1px solid var(--card-border);padding-top:12px;font-size:.68rem;color:var(--muted)}
.phone-mock-tabbar .active{color:var(--accent);font-weight:700}

/* ---------- Pourquoi ---------- */
.pourquoi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:20px}
.pourquoi-card{
  background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);
  padding:30px 28px;
}
.pourquoi-card p{font-size:.96rem}

/* ---------- Chapitres ---------- */
.chapters-list{margin-top:10px;border-top:1px solid var(--card-border)}
.chapters-list li{
  display:grid;grid-template-columns:56px 1fr;column-gap:22px;row-gap:2px;
  padding:20px 0;border-bottom:1px solid var(--card-border);
  align-items:baseline;
}
.chapter-num{
  font-family:var(--font-display);color:var(--accent);font-size:1.1rem;font-weight:600;
}
.chapter-title{grid-column:2;font-weight:700;font-size:1.05rem;color:var(--text)}
.chapter-desc{grid-column:2;color:var(--muted);font-size:.92rem;margin-top:4px}

/* ---------- Fonctionnalités ---------- */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:10px}
.feature-card{
  background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);
  padding:30px 26px;
}
.feature-tag{
  display:inline-block;font-size:.78rem;font-weight:700;color:var(--accent);
  margin-bottom:14px;letter-spacing:.02em;
}
.feature-card p{font-size:.94rem}

/* ---------- Tarifs ---------- */
.pricing-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:10px}
.price-card{
  background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);
  padding:36px 32px;position:relative;
}
.price-card-premium{border-color:var(--accent)}
.price-badge{
  position:absolute;top:-13px;left:32px;background:var(--accent);color:#0B0B0B;
  font-size:.72rem;font-weight:800;padding:5px 12px;border-radius:999px;letter-spacing:.04em;
}
.price-amount{font-family:var(--font-display);font-size:2.6rem;color:var(--text);margin:.15em 0 .5em}
.price-card ul{display:flex;flex-direction:column;gap:11px}
.price-card li{
  font-size:.92rem;color:var(--muted);padding-left:24px;position:relative;
}
.price-card li::before{
  content:"✓";position:absolute;left:0;color:var(--green);font-weight:700;
}

/* ---------- FAQ ---------- */
.faq-list{margin-top:10px;border-top:1px solid var(--card-border)}
details{border-bottom:1px solid var(--card-border);padding:20px 0}
summary{
  cursor:pointer;font-weight:700;font-size:1.02rem;color:var(--text);
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;
}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-size:1.3rem;flex-shrink:0}
details[open] summary::after{content:"–"}
details p{margin-top:14px;font-size:.95rem;max-width:60ch}

/* ---------- CTA final ---------- */
.section-cta{text-align:center}
.cta-inner{display:flex;flex-direction:column;align-items:center}
.cta-inner p{margin-bottom:26px;max-width:44ch}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--card-border);padding:34px 0}
.footer-inner{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.footer-brand{display:flex;align-items:center;gap:9px;font-weight:700;margin-right:auto}
.footer-nav{display:flex;gap:20px}
.footer-nav a{text-decoration:none;color:var(--muted);font-size:.88rem}
.footer-nav a:hover{color:var(--text)}
.footer-copy{color:var(--muted);font-size:.85rem}

/* ---------- Bouton retour en haut ---------- */
#topButton{
  position:fixed;bottom:24px;right:24px;width:48px;height:48px;border:none;
  border-radius:50%;background:var(--accent);color:#0B0B0B;font-size:1.1rem;font-weight:700;
  cursor:pointer;box-shadow:0 10px 24px -8px rgba(0,0,0,.5);
  display:none;z-index:40;
}
#topButton:hover{transform:translateY(-2px)}

/* ---------- Scroll reveal ---------- */
.hidden{opacity:0;transform:translateY(24px);transition:opacity .7s ease, transform .7s ease}
.visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{margin-top:32px}
  .pourquoi-grid,.features-grid,.pricing-grid{grid-template-columns:1fr}
  nav{display:none}
  .header-inner{justify-content:space-between}
  .section{padding:74px 0}
}

@media(max-width:520px){
  .chapters-list li{grid-template-columns:40px 1fr}
  .hero-copy .btn,.cta-inner .btn{width:100%;justify-content:center}
}