/* XSP.one — vitrine
   Palette : Ink #0E1B33 · Ice #F2F6FA · Glacier #2FB4A8 · Paper #FFFFFF · Signal #E2703A */
:root{
  --ink:#0E1B33; --ice:#F2F6FA; --glacier:#2FB4A8; --paper:#FFFFFF; --signal:#E2703A;
  --radius:16px;
  --display:'Bricolage Grotesque',sans-serif;
  --body:'Inter',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.65;font-size:17px}
h1,h2,h3{font-family:var(--display);line-height:1.12}
h2{font-size:clamp(28px,3.8vw,42px);margin-bottom:40px;letter-spacing:-.01em}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:760px}
a{color:inherit}

.btn{display:inline-block;background:var(--ink);color:#fff;padding:15px 32px;border-radius:999px;
  font-weight:600;text-decoration:none;font-size:16px;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgb(14 27 51/.25)}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid rgb(14 27 51/.25)}
.btn.light{background:#fff;color:var(--ink)}
.eyebrow{color:var(--glacier);font-weight:700;text-transform:uppercase;letter-spacing:.16em;font-size:13px;margin-bottom:18px}

/* Nav */
.nav{position:sticky;top:0;background:rgb(255 255 255/.88);backdrop-filter:blur(12px);
  border-bottom:1px solid rgb(14 27 51/.08);z-index:50}
.nav-inner{display:flex;justify-content:space-between;align-items:center;height:68px}
.logo{font-family:var(--display);font-weight:800;font-size:24px;text-decoration:none}
.logo span{color:var(--glacier)}
.nav nav{display:flex;align-items:center;gap:26px}
.nav nav a{text-decoration:none;font-size:15px;font-weight:500;opacity:.85}
.nav nav a:hover{opacity:1}
.nav .lang{border:1px solid rgb(14 27 51/.2);border-radius:8px;padding:3px 8px;font-size:13px}
.btn-nav{padding:10px 22px;font-size:15px;opacity:1 !important}

/* Hero */
.hero{background:linear-gradient(180deg,var(--ice) 0%,#fff 100%);padding:90px 0 100px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero h1{font-size:clamp(34px,4.6vw,54px);letter-spacing:-.015em;margin-bottom:22px}
.hero-copy p{font-size:19px;opacity:.82;max-width:520px;margin-bottom:34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* Signature : mini page qui s'assemble */
.hero-demo{position:relative}
.browser{background:#fff;border-radius:var(--radius);box-shadow:0 30px 80px rgb(14 27 51/.18);
  border:1px solid rgb(14 27 51/.08);overflow:hidden}
.browser-bar{display:flex;align-items:center;gap:6px;padding:12px 16px;border-bottom:1px solid rgb(14 27 51/.07);background:var(--ice)}
.browser-bar i{width:10px;height:10px;border-radius:50%;background:rgb(14 27 51/.15)}
.browser-bar span{margin-left:10px;font-size:12px;background:#fff;border-radius:6px;padding:4px 12px;color:rgb(14 27 51/.55);flex:1}
.browser-body{padding:20px;display:flex;flex-direction:column;gap:14px}
.b{opacity:0;transform:translateY(18px);animation:assemble .6s cubic-bezier(.2,.7,.2,1) forwards}
.b-hero{animation-delay:.3s;background:linear-gradient(135deg,var(--ink),#22406e);border-radius:12px;padding:26px;display:flex;flex-direction:column;align-items:center;gap:9px}
.b-t{width:60%;height:14px;border-radius:6px;background:rgb(255 255 255/.9)}
.b-l{height:8px;border-radius:4px;background:rgb(255 255 255/.35);width:80%}
.b-l.short{width:55%}
.b-btn{width:110px;height:26px;border-radius:999px;background:var(--glacier);margin-top:8px}
.b-btn.wide{width:100%}
.b-cards{animation-delay:.75s;display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.b-cards div{height:56px;border-radius:10px;background:var(--ice);border:1px solid rgb(14 27 51/.07)}
.b-split{animation-delay:1.15s;display:grid;grid-template-columns:1fr 1.4fr;gap:12px;align-items:center}
.b-split .b-l{background:rgb(14 27 51/.14);margin-bottom:7px}
.b-img{height:64px;border-radius:10px;background:linear-gradient(135deg,var(--glacier),#7fd6cc)}
.b-form{animation-delay:1.55s;background:var(--ice);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:8px}
.b-f{height:22px;border-radius:6px;background:#fff;border:1px solid rgb(14 27 51/.1)}
.spark{position:absolute;top:-18px;right:-10px;font-size:34px;color:var(--glacier);animation:pop 2.4s ease .4s infinite}
@keyframes assemble{to{opacity:1;transform:none}}
@keyframes pop{0%,100%{transform:scale(1);opacity:.9}50%{transform:scale(1.25) rotate(12deg);opacity:1}}

/* How */
.how{padding:96px 0}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.step{background:var(--ice);border-radius:var(--radius);padding:34px 30px}
.step-n{font-family:var(--display);font-weight:800;font-size:15px;width:34px;height:34px;border-radius:50%;
  background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.step h3{font-size:20px;margin-bottom:10px}
.step p{font-size:15.5px;opacity:.8}

/* Features */
.features{padding:40px 0 96px}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgb(14 27 51/.09);
  border:1px solid rgb(14 27 51/.09);border-radius:var(--radius);overflow:hidden}
.feat{background:#fff;padding:32px 28px}
.feat:hover{background:var(--ice)}
.feat h3{font-size:18px;margin-bottom:8px}
.feat p{font-size:15px;opacity:.78}

/* Pricing */
.pricing{padding:96px 0;background:var(--ink);color:#fff}
.pricing h2{color:#fff;text-align:center}
.price-card{max-width:520px;margin:0 auto;background:#fff;color:var(--ink);border-radius:20px;
  padding:46px 44px;text-align:center;box-shadow:0 30px 80px rgb(0 0 0/.35)}
.price{font-family:var(--display);font-size:64px;font-weight:800;letter-spacing:-.02em}
.price-note{opacity:.6;font-size:14px}
.price-includes{margin:18px 0 6px;font-weight:600;color:var(--glacier)}
.price-card ul{list-style:none;margin:18px 0 8px;text-align:left;display:inline-block}
.price-card li{padding:7px 0 7px 30px;position:relative;font-size:15.5px}
.price-card li::before{content:'✓';position:absolute;left:0;color:var(--glacier);font-weight:700}
.price-after{font-size:14px;opacity:.65;margin:12px 0 24px}

/* FAQ */
.faq{padding:96px 0}
.faq details{border-bottom:1px solid rgb(14 27 51/.1);padding:20px 0}
.faq summary{font-family:var(--display);font-weight:600;font-size:18px;cursor:pointer;list-style:none;position:relative;padding-right:34px}
.faq summary::after{content:'+';position:absolute;right:4px;top:0;font-size:24px;color:var(--glacier)}
.faq details[open] summary::after{content:'–'}
.faq details p{margin-top:12px;opacity:.82;font-size:16px}

/* Final CTA + footer */
.final-cta{padding:90px 0;text-align:center;background:linear-gradient(135deg,var(--glacier) 0%,#1d8c82 100%)}
.final-cta h2{color:#fff;max-width:640px;margin:0 auto 30px}
.site-footer{padding:34px 0;font-size:14px;border-top:1px solid rgb(14 27 51/.08)}
.footer-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;opacity:.75}
.footer-inner a{margin-left:18px}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .hero-demo{max-width:480px;margin:0 auto}
  .steps,.feat-grid{grid-template-columns:1fr}
  .nav nav a:not(.btn-nav):not(.lang){display:none}
}
@media (prefers-reduced-motion:reduce){
  .b{animation:none;opacity:1;transform:none}
  .spark{animation:none}
}