:root{
  --ink:#0d0d0d;          /* noir du logo */
  --ink-soft:#3a3a3a;
  --muted:#8a8a8a;
  --line:#e7e5e1;         /* filets discrets */
  --paper:#f7f6f3;        /* fond crème très clair, épuré */
  --paper-2:#ffffff;
  --serif:'Playfair Display', Georgia, 'Times New Roman', serif;
  --sans:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --maxw:1080px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px clamp(22px,6vw,64px);
  background:rgba(247,246,243,.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand-logo{height:34px;width:auto;transition:opacity .2s}
.brand:hover .brand-logo{opacity:.65}
.nav-cta{
  font-size:.8rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  padding:10px 20px;border:1px solid var(--ink);border-radius:100px;
  transition:.2s;
}
.nav-cta:hover{background:var(--ink);color:var(--paper)}

/* BUTTONS */
.btn{
  position:relative;overflow:hidden;
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--sans);font-weight:600;font-size:.95rem;cursor:pointer;
  padding:15px 32px;border-radius:100px;border:1px solid var(--ink);
  transition:transform .25s cubic-bezier(.2,.7,.2,1), box-shadow .25s, background .2s, color .2s;
  text-align:center;will-change:transform;
}
.btn i{font-size:.9em}
/* effet de brillance qui traverse le bouton au survol */
.btn::after{
  content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-18deg);transition:left .6s ease;pointer-events:none;
}
.btn:hover::after{left:140%}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px -14px rgba(0,0,0,.55)}
.btn-primary:active{transform:translateY(-1px) scale(.99)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost::after{background:linear-gradient(120deg,transparent,rgba(0,0,0,.08),transparent)}
.btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-3px)}
.btn-lg{width:100%;padding:18px 32px;font-size:1.05rem}

/* HERO */
.hero{
  padding:clamp(24px,4vw,52px) clamp(22px,6vw,64px) clamp(50px,9vw,110px);
}
.hero-inner{
  max-width:var(--maxw);margin:0 auto;
  display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(40px,7vw,90px);
  align-items:center;
}
.eyebrow{
  font-size:.76rem;font-weight:600;letter-spacing:.24em;text-transform:uppercase;
  color:var(--muted);margin-bottom:26px;
}
.hero h1{
  font-family:var(--serif);font-weight:700;
  font-size:clamp(2.5rem,6.2vw,4.6rem);line-height:1.03;
  letter-spacing:-.015em;margin-bottom:24px;
}
.subtitle{
  font-family:var(--serif);font-style:italic;font-weight:500;
  font-size:clamp(1.1rem,2.4vw,1.55rem);color:var(--ink-soft);margin-bottom:30px;
}
.lede{font-size:1.05rem;color:var(--ink-soft);max-width:40ch;margin-bottom:38px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.reassurance{font-size:.82rem;color:var(--muted)}
.reassurance i{margin-right:3px}
.reassurance .dot{margin:0 6px;opacity:.6}
.themes span i{margin-right:7px;font-size:.92em;opacity:.75}
.checklist li i{position:absolute;left:0;top:.15em;width:auto;height:auto;border:none;transform:none;color:var(--ink);font-size:.95em}
.hero-cover img{
  border-radius:6px;
  box-shadow:0 50px 90px -30px rgba(0,0,0,.55), 0 10px 30px -12px rgba(0,0,0,.25);
  transition:.5s;
}
.hero-cover img:hover{transform:translateY(-6px)}

/* BAND (citation) */
.band{
  max-width:900px;margin:0 auto;
  padding:clamp(56px,10vw,120px) clamp(22px,6vw,48px);
  text-align:center;
}
.band-quote{
  font-family:var(--serif);font-weight:600;font-style:italic;
  font-size:clamp(1.6rem,4.2vw,2.9rem);line-height:1.22;margin-bottom:22px;
  letter-spacing:-.01em;
}
.band-sub{font-size:1.05rem;color:var(--ink-soft);max-width:52ch;margin:0 auto}

/* SECTIONS */
.section{
  max-width:var(--maxw);margin:0 auto;
  padding:clamp(50px,8vw,100px) clamp(22px,6vw,64px);
  border-top:1px solid var(--line);
}
.section-label{
  font-size:.76rem;font-weight:600;letter-spacing:.24em;text-transform:uppercase;
  color:var(--muted);margin-bottom:40px;text-align:center;
}

/* QUOTES */
.quotes{
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);
  max-width:900px;margin:0 auto;
}
.quotes blockquote{
  font-family:var(--serif);font-style:italic;font-weight:500;
  font-size:clamp(1.25rem,2.5vw,1.6rem);line-height:1.4;color:var(--ink);
  padding-left:22px;border-left:2px solid var(--ink);
}

/* THEMES */
.section-tight{padding-top:clamp(40px,6vw,72px)}
.themes{
  display:flex;flex-wrap:wrap;justify-content:center;gap:14px;
  max-width:760px;margin:0 auto 34px;
}
.themes span{
  font-family:var(--serif);font-size:1.15rem;
  padding:10px 22px;border:1px solid var(--line);border-radius:100px;
  background:var(--paper-2);
}
.sources{text-align:center;color:var(--muted);font-size:.92rem;font-style:italic;max-width:60ch;margin:0 auto}

/* BUY */
.buy{
  max-width:var(--maxw);margin:0 auto;
  padding:clamp(50px,8vw,100px) clamp(22px,6vw,64px) clamp(60px,9vw,110px);
}
.buy-inner{
  display:grid;grid-template-columns:.75fr 1fr;gap:clamp(36px,6vw,80px);
  align-items:center;
  background:var(--paper-2);
  border:1px solid var(--line);border-radius:18px;
  padding:clamp(30px,4.5vw,60px);
}
.buy-cover img{
  border-radius:6px;
  box-shadow:0 40px 70px -30px rgba(0,0,0,.5), 0 8px 22px -10px rgba(0,0,0,.2);
}
.buy-card h2{font-family:var(--serif);font-weight:700;font-size:clamp(1.7rem,3.5vw,2.3rem);margin-bottom:16px}
.buy-desc{color:var(--ink-soft);margin-bottom:28px}
.price{display:flex;align-items:baseline;gap:16px;margin-bottom:28px}
.price-old{font-size:1.3rem;color:var(--muted);text-decoration:line-through}
.price-now{font-family:var(--serif);font-weight:800;font-size:clamp(2.6rem,6vw,3.4rem);line-height:1}
.checklist{list-style:none;margin:26px 0 0}
.checklist li{
  position:relative;padding-left:30px;margin-bottom:12px;color:var(--ink-soft);font-size:.96rem;
}

/* FAQ */
.section-faq{border-top:1px solid var(--line)}
.faq{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq details{
  background:var(--paper-2);
  border:1px solid var(--line);border-radius:14px;
  padding:0 24px;overflow:hidden;
  transition:border-color .25s, box-shadow .3s, transform .25s;
}
.faq details:hover{border-color:#d8d5cf;transform:translateY(-1px)}
.faq details[open]{
  border-color:var(--ink);
  box-shadow:0 22px 46px -28px rgba(0,0,0,.4);
}
.faq summary{
  list-style:none;cursor:pointer;user-select:none;
  display:flex;align-items:center;gap:12px;
  font-family:var(--serif);font-size:clamp(1.08rem,2.1vw,1.3rem);font-weight:600;
  padding:22px 40px 22px 0;position:relative;transition:color .2s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{font-size:.82em;color:var(--muted);width:22px;text-align:center;transition:color .2s}
.faq details[open] summary i{color:var(--ink)}
.faq summary::after{
  content:"\2b";font-family:var(--sans);font-weight:300;line-height:1;
  position:absolute;right:2px;top:50%;transform:translateY(-50%);
  font-size:1.7rem;color:var(--muted);transition:transform .35s cubic-bezier(.2,.7,.2,1), color .2s;
}
.faq details[open] summary::after{transform:translateY(-50%) rotate(135deg);color:var(--ink)}
.faq summary:hover{color:var(--ink-soft)}
.faq .faq-body{
  overflow:hidden;
}
.faq details[open] .faq-body{animation:faqOpen .4s ease}
.faq .faq-body p{
  padding:0 0 24px;margin:0;color:var(--ink-soft);font-size:1rem;line-height:1.7;
}
.faq .faq-body a{border-bottom:1px solid var(--muted)}
@keyframes faqOpen{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* CTA final sous la FAQ */
.faq-cta{
  text-align:center;margin-top:clamp(40px,6vw,64px);
}
.faq-cta p{
  font-family:var(--serif);font-style:italic;font-size:clamp(1.3rem,3vw,1.8rem);
  margin-bottom:22px;color:var(--ink);
}

.buy-note{
  margin-top:18px;font-size:.82rem;color:var(--muted);line-height:1.5;
}
.buy-note i{margin-right:5px}
.buy-micro{
  margin-top:12px;font-size:.9rem;color:var(--ink-soft);font-weight:500;
}
.buy-micro i{margin-right:6px}

/* PAGE MERCI (statique) */
.thanks{
  max-width:var(--maxw);margin:0 auto;
  padding:clamp(30px,5vw,60px) clamp(22px,6vw,64px) clamp(50px,8vw,90px);
  display:grid;grid-template-columns:.7fr 1fr;gap:clamp(36px,6vw,72px);align-items:center;
}
.thanks-cover img{
  border-radius:6px;
  box-shadow:0 40px 70px -30px rgba(0,0,0,.5), 0 8px 22px -10px rgba(0,0,0,.2);
}
.thanks-text h1{font-family:var(--serif);font-weight:700;font-size:clamp(2rem,5vw,3.2rem);line-height:1.05;margin-bottom:18px}
.thanks-text .eyebrow i{color:var(--ink);margin-right:6px}
.thanks-text .lede{max-width:46ch}
@media(max-width:820px){
  .thanks{grid-template-columns:1fr;text-align:center}
  .thanks-cover{order:1;max-width:240px;margin:0 auto}
  .thanks-text{order:2}
  .thanks-text .lede{margin-left:auto;margin-right:auto}
  .thanks-text .socials{justify-content:center !important}
}

/* FOOTER */
.site-footer{
  text-align:center;padding:64px 22px;border-top:1px solid var(--line);
  color:var(--muted);font-size:.88rem;
}
.footer-brand{display:inline-block;margin:0 auto 20px}
.footer-logo{height:30px;width:auto;opacity:.9;transition:opacity .2s}
.footer-brand:hover .footer-logo{opacity:.55}
.footer-links{margin-top:8px}
.footer-links a{color:var(--ink-soft);border-bottom:1px solid var(--line)}
.socials{display:flex;gap:14px;justify-content:center;margin:4px 0 18px}
.socials a{
  display:flex;align-items:center;justify-content:center;
  width:42px;height:42px;border:1px solid var(--line);border-radius:50%;
  color:var(--ink);font-size:1rem;background:var(--paper-2);
  transition:transform .25s cubic-bezier(.2,.7,.2,1), background .2s, color .2s, border-color .2s;
}
.socials a:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:translateY(-3px)}

/* REVEAL AU SCROLL */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1 !important;transform:none !important;transition:none}
  .btn::after{display:none}
}

/* RESPONSIVE */
@media(max-width:860px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-text{order:2}
  .hero-cover{order:1;max-width:290px;margin:0 auto}
  .lede{margin-left:auto;margin-right:auto}
  .hero-actions{justify-content:center}
  .quotes{grid-template-columns:1fr;gap:26px;max-width:520px}
  .quotes blockquote{text-align:left}
  .buy-inner{grid-template-columns:1fr;text-align:center}
  .buy-cover{max-width:240px;margin:0 auto}
  .price{justify-content:center}
  .checklist{display:inline-block;text-align:left}
}