/* =========================================================
   ÉLÉVIKA — Business avec la Chine — page de vente
   ========================================================= */
:root{
  --bg:#F7F9FC; --bg-2:#EEF2F9; --card:#FFFFFF; --line:#E8EDF4; --line-2:#DCE4EF;
  --ink:#21314E; --ink-soft:#3A4A66; --muted:#5C6B82; --faint:#8C99AC;
  --sky:#7FD3E8; --sky-deep:#3CA8C9; --ai:#B56DF5; --ai-deep:#8A3FE0; --gold:#E3B466; --gold-deep:#C8923A;
  --grad-brand:linear-gradient(118deg,#7FD3E8 0%,#9FA9F2 42%,#B56DF5 66%,#E3B466 100%);
  --grad-ai:linear-gradient(135deg,#C792F9,#8A3FE0);
  --grad-gold:linear-gradient(135deg,#F1CE89,#CE9A40);
  --grad-ink:linear-gradient(135deg,#2B3D5E,#1B2740);
  --r-xl:32px; --r-lg:24px; --r-md:18px; --r-sm:13px; --r-pill:999px;
  --sh-sm:0 2px 6px rgba(33,49,78,.05),0 1px 2px rgba(33,49,78,.04);
  --sh-md:0 14px 34px -16px rgba(33,49,78,.22),0 2px 8px rgba(33,49,78,.05);
  --sh-lg:0 34px 70px -30px rgba(33,49,78,.32),0 6px 18px rgba(33,49,78,.06);
  --glow-gold:0 18px 44px -14px rgba(200,146,58,.45);
  --glow-ai:0 18px 44px -14px rgba(138,63,224,.35);
  --font-display:"Sora",ui-sans-serif,system-ui,sans-serif;
  --font-ui:"Plus Jakarta Sans",ui-sans-serif,system-ui,sans-serif;
  --font-logo:"Poppins",ui-sans-serif,system-ui,sans-serif;
  --maxw:920px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-ui);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3{font-family:var(--font-display);font-weight:700;line-height:1.12;letter-spacing:-.02em;margin:0;color:var(--ink)}
p{margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.placeholder{background:#FFF7E0;border:1.5px dashed #D9A32B;color:#7A5A0A;border-radius:12px;padding:12px 15px;font-size:13px;font-weight:600;margin-top:10px}

/* ---- reveal on scroll ---- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---- text helpers ---- */
.eyebrow{font-family:var(--font-ui);font-weight:700;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-deep);display:inline-flex;align-items:center;gap:9px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-gold)}
.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--muted)}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:var(--font-ui);font-weight:800;font-size:16px;padding:18px 30px;border-radius:var(--r-pill);border:1px solid transparent;transition:transform .18s,box-shadow .25s;white-space:nowrap;text-decoration:none}
.btn-buy{color:#fff;background:linear-gradient(118deg,#6FCBE6,#B56DF5 55%,#E3B466);box-shadow:var(--glow-gold)}
.btn-buy:hover{transform:translateY(-2px);box-shadow:0 26px 56px -16px rgba(200,146,58,.55)}
.btn-ghost{background:#fff;border-color:var(--line-2);color:var(--ink)}
.btn-block{width:100%}
.btn-sub{display:block;text-align:center;font-size:12.5px;color:var(--faint);font-weight:600;margin-top:10px}

/* ============ NAV ============ */
.nav{padding:18px 0;text-align:center}
.brand{display:inline-flex;align-items:center;gap:9px}
.brand img{width:30px;height:30px;object-fit:contain}
.brand .wm{font-family:var(--font-logo);font-weight:600;font-size:18px;letter-spacing:.04em;color:var(--ink)}

/* ============ HERO ============ */
.hero{position:relative;padding:20px 0 44px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-1;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.45}
.hero h1{font-size:clamp(30px,4.6vw,46px);text-align:center;max-width:18em;margin:0 auto}
.hero .lead{font-size:clamp(16px,1.6vw,19px);color:var(--muted);margin:22px auto 0;max-width:36em;text-align:center}
.badge-row{display:flex;justify-content:center;gap:10px;margin-bottom:20px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:12.5px;padding:7px 13px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);color:var(--ink-soft)}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--grad-gold)}
.hero-cta{display:flex;justify-content:center;margin-top:32px}
.price-tag{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:18px;font-weight:800;color:var(--ink-soft);font-size:14px}
.price-tag b{font-family:var(--font-display);font-size:20px;color:var(--ink)}

/* ============ section ============ */
.section{padding:56px 0}
.section-head{max-width:640px;margin:0 auto 36px;text-align:center}
.section-head h2{font-size:clamp(25px,3.2vw,34px)}
.section-head p{color:var(--muted);font-size:16px;margin-top:14px}

/* ============ problem / agitation ============ */
.problem-list{display:flex;flex-direction:column;gap:14px;max-width:640px;margin:0 auto}
.problem-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--sh-sm);transition:transform .25s,box-shadow .25s}
.problem-item:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.problem-item .x{width:26px;height:26px;border-radius:50%;background:#FCE9E9;color:#C13E3E;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.problem-item p{font-size:15px;color:var(--ink-soft);font-weight:600}

/* ============ method steps ============ */
.method{display:flex;flex-direction:column;gap:0;max-width:680px;margin:0 auto}
.method-step{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.method-step:last-child{border-bottom:none}
.method-step .num{font-family:var(--font-display);font-weight:800;font-size:26px;color:transparent;-webkit-text-stroke:1.5px var(--gold-deep);flex-shrink:0;width:44px}
.method-step h3{font-size:17.5px;margin-bottom:6px}
.method-step p{font-size:14.5px;color:var(--muted)}

/* ============ curriculum ============ */
.curriculum{position:relative;display:flex;flex-direction:column;gap:10px;max-width:680px;margin:0 auto;padding-left:26px}
.curriculum::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--gold),var(--line-2) 90%)}
.cur-item{position:relative;display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:15px 18px;box-shadow:var(--sh-sm);transition:transform .25s,box-shadow .25s}
.cur-item:hover{transform:translateX(4px);box-shadow:var(--sh-md)}
.cur-item.hot{border-color:var(--gold);box-shadow:var(--glow-gold)}
.cur-dot{position:absolute;left:-26px;top:50%;transform:translate(-50%,-50%);width:11px;height:11px;border-radius:50%;background:#fff;border:2px solid var(--gold-deep);flex-shrink:0}
.cur-item.hot .cur-dot{background:var(--grad-gold);border-color:transparent}
.cur-item .tag{display:inline-block;font-size:10.5px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:var(--gold-deep);background:var(--bg-2);padding:4px 9px;border-radius:var(--r-pill);margin-bottom:6px}
.cur-item h3{font-size:15.5px}
.cur-item p{font-size:13.5px;color:var(--muted);margin-top:2px}

/* ============ proof gallery ============ */
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.proof-grid a{position:relative;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-sm);display:block;aspect-ratio:3/4;transition:transform .3s,box-shadow .3s}
.proof-grid a:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.proof-grid img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.proof-grid a:hover img{transform:scale(1.07)}
.proof-grid a::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(33,49,78,0) 55%,rgba(20,28,46,.45));opacity:0;transition:opacity .3s}
.proof-grid a:hover::after{opacity:1}
.proof-note{text-align:center;color:var(--faint);font-size:13px;font-weight:600;margin-top:16px}

/* ============ calculator ============ */
.calc-card{position:relative;max-width:680px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh-lg)}
.calc-card::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;border-radius:var(--r-xl) var(--r-xl) 0 0;background:var(--grad-brand)}
.calc-inputs{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.calc-inputs label{display:flex;flex-direction:column;gap:8px;font-size:13px;font-weight:700;color:var(--ink-soft)}
.calc-inputs input{font-family:var(--font-display);font-size:17px;font-weight:700;color:var(--ink);padding:12px 14px;border-radius:var(--r-sm);border:1.5px solid var(--line-2);background:var(--bg)}
.calc-inputs input:focus{outline:none;border-color:var(--ai)}
.calc-results{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:28px;padding-top:26px;border-top:1px solid var(--line)}
.calc-stat{background:var(--bg-2);border-radius:var(--r-md);padding:16px 18px;text-align:center}
.calc-stat .l{display:block;font-size:12px;font-weight:700;color:var(--muted)}
.calc-stat .v{display:block;font-family:var(--font-display);font-size:21px;font-weight:800;color:var(--ink);margin-top:6px}
.calc-warning{margin-top:16px;text-align:center;font-size:13.5px;font-weight:700;color:#C13E3E}
.calc-note{margin-top:14px;text-align:center;font-size:12px;color:var(--faint)}
@media (max-width:520px){
  .calc-inputs{grid-template-columns:1fr}
  .calc-results{grid-template-columns:1fr 1fr}
  .calc-card{padding:24px 18px}
}

/* ============ founder ============ */
.founder-card{display:flex;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-sm);max-width:680px;margin:0 auto}
.founder-card .ring{flex-shrink:0;width:92px;height:92px;border-radius:50%;padding:4px;background:var(--grad-gold)}
.founder-card img{width:100%;height:100%;border-radius:50%;object-fit:cover;display:block;border:3px solid #fff}
.founder-card h3{font-size:18px}
.founder-card .role{font-size:13px;color:var(--gold-deep);font-weight:700;margin-top:2px}
.founder-card p{font-size:14.5px;color:var(--muted);margin-top:10px}

/* ============ offer ============ */
.offer-card{max-width:520px;margin:0 auto;background:#fff;border:1.5px solid var(--gold);border-radius:var(--r-xl);padding:36px 32px;box-shadow:var(--sh-lg),var(--glow-gold);text-align:center}
.offer-card .eyebrow{justify-content:center;width:100%}
.offer-card .eyebrow::before{display:none}
.offer-card h3{font-size:23px;margin-top:12px}
.offer-list{list-style:none;padding:0;margin:22px 0;display:flex;flex-direction:column;gap:11px;text-align:left}
.offer-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-soft);font-weight:600}
.offer-list svg{width:18px;height:18px;stroke:#21A25E;flex-shrink:0;margin-top:1px}
.offer-price{margin:22px 0 6px}
.offer-price .old{font-size:15px;color:var(--faint);text-decoration:line-through;font-weight:700}
.offer-price .new{font-family:var(--font-display);font-size:40px;font-weight:800;color:var(--ink)}
.offer-price .cur{font-size:16px;color:var(--muted);font-weight:700}
.pay-methods{display:flex;justify-content:center;gap:8px;margin-top:14px;flex-wrap:wrap}
.pay-methods span{font-size:11.5px;font-weight:800;color:var(--ink-soft);background:var(--bg-2);padding:6px 11px;border-radius:var(--r-pill)}

/* ============ faq ============ */
.faq{max-width:680px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.faq-item summary{padding:18px 20px;font-weight:700;font-size:15px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;color:var(--gold-deep);flex-shrink:0}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 20px 18px;font-size:14.5px;color:var(--muted)}

/* ============ final cta ============ */
.final-band{background:var(--grad-ink);border-radius:var(--r-xl);padding:44px 32px;text-align:center;color:#fff}
.final-band h2{color:#fff;font-size:clamp(24px,3.2vw,32px)}
.final-band p{color:rgba(255,255,255,.72);margin-top:14px;max-width:34em;margin-left:auto;margin-right:auto}
.final-band .hero-cta{margin-top:26px}

/* ============ sticky bar ============ */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:90;background:#fff;border-top:1px solid var(--line);box-shadow:0 -10px 30px -18px rgba(33,49,78,.3);padding:12px 16px;display:flex;align-items:center;justify-content:center;gap:16px;transform:translateY(110%);transition:transform .3s}
.sticky-bar.show{transform:translateY(0)}
.sticky-bar .info{font-size:13px;font-weight:700;color:var(--ink-soft)}
.sticky-bar .info b{display:block;font-size:15px;color:var(--ink);font-family:var(--font-display)}

footer.foot{padding:34px 0 110px;text-align:center;color:var(--faint);font-size:12.5px}
footer.foot a{color:var(--ink-soft);font-weight:700;text-decoration:none}

/* ============ whatsapp fab ============ */
.wa-fab{position:fixed;right:20px;bottom:96px;z-index:95;width:58px;height:58px;border-radius:50%;background:#25D366;box-shadow:0 14px 30px -10px rgba(37,211,102,.6);display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(.7);pointer-events:none;transition:transform .25s,opacity .25s}
.wa-fab.show{opacity:1;transform:scale(1);pointer-events:auto}
.wa-fab:hover{transform:scale(1.1)}
.wa-fab svg{width:30px;height:30px;fill:#fff}

@media (max-width:640px){
  .proof-grid{grid-template-columns:repeat(2,1fr)}
  .founder-card{flex-direction:column;text-align:center}
  .sticky-bar{gap:10px}
  .sticky-bar .btn{padding:13px 18px;font-size:14px}
}