:root{
  --bg:#0a0a0f;
  --bg-alt:#0e0e16;
  --surface:#14141d;
  --surface-2:#1a1a26;
  --border:rgba(255,255,255,.08);
  --text:#f4f3f6;
  --text-dim:#a3a1ae;
  --text-faint:#6b6976;
  --accent1:#ff6b4a;
  --accent2:#f5a623;
  --accent3:#8b5cf6;
  --grad: linear-gradient(100deg, var(--accent2) 0%, var(--accent1) 45%, var(--accent3) 100%);
  --radius:16px;
  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,video{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{font-family:var(--font-display);font-weight:600;letter-spacing:-.02em;}
section{position:relative;}

.grain{
  position:fixed;inset:0;pointer-events:none;z-index:200;opacity:.03;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* NAV */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:18px 0;
  transition:background .3s, border-color .3s, padding .3s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(10,10,15,.75);
  backdrop-filter:blur(14px);
  border-color:var(--border);
  padding:12px 0;
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:flex;flex-direction:column;line-height:1.15;}
.logo-mark{font-family:var(--font-display);font-weight:700;font-size:1.25rem;letter-spacing:-.02em;}
.logo-sub{font-size:.68rem;color:var(--text-dim);font-weight:500;}
.nav-links{display:flex;gap:32px;font-size:.9rem;color:var(--text-dim);flex:1;justify-content:center;}
.nav-links a:hover{color:var(--text);}
.nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
.nav-burger span{width:22px;height:2px;background:var(--text);}

/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:.92rem;
  border:1px solid transparent;cursor:pointer;transition:transform .2s, opacity .2s, background .2s;
  white-space:nowrap;
}
.btn:active{transform:scale(.97);}
.btn-primary{background:var(--grad);color:#0a0a0f;}
.btn-primary:hover{opacity:.9;}
.btn-ghost{background:rgba(255,255,255,.06);color:var(--text);border-color:var(--border);}
.btn-ghost:hover{background:rgba(255,255,255,.1);}
.btn-sm{padding:9px 18px;font-size:.85rem;}
.btn-block{width:100%;}

/* HERO */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:120px 24px 80px;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0;overflow:hidden;}
.hero-img{
  width:100%;height:100%;object-fit:cover;
  animation:heroPan 22s ease-in-out infinite alternate;
}
@keyframes heroPan{
  0%{transform:scale(1.02) translate(0,0);}
  100%{transform:scale(1.12) translate(-1.5%,-1%);}
}
.hero-scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(10,10,15,.55) 0%, rgba(10,10,15,.75) 55%, var(--bg) 100%),
    linear-gradient(100deg, rgba(139,92,246,.25), rgba(255,107,74,.15));
}
.hero-content{position:relative;z-index:1;max-width:780px;text-align:center;margin:0 auto;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid var(--border);
  font-size:.82rem;color:var(--text-dim);margin-bottom:28px;
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent1);box-shadow:0 0 8px var(--accent1);}
.hero h1{font-size:clamp(2.4rem,6vw,4.4rem);line-height:1.05;margin-bottom:24px;}
.hero-sub{font-size:clamp(1rem,2vw,1.2rem);color:var(--text-dim);max-width:620px;margin:0 auto 36px;}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:28px;}
.hero-note{font-size:.85rem;color:var(--text-faint);}
.scroll-cue{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:1;}
.scroll-cue span{
  display:block;width:1px;height:36px;
  background:linear-gradient(180deg, var(--text-faint), transparent);
  animation:scrollcue 1.8s ease-in-out infinite;
}
@keyframes scrollcue{0%{opacity:0;transform:translateY(-8px);}50%{opacity:1;}100%{opacity:0;transform:translateY(16px);}}

/* STATS */
.stats{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg-alt);}
.stats-inner{
  max-width:1000px;margin:0 auto;padding:48px 24px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:center;
}
.stat-num{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);font-weight:700;}
.stat-label{color:var(--text-dim);font-size:.9rem;margin-top:6px;}

/* SECTIONS */
.section{max-width:1200px;margin:0 auto;padding:110px 24px;}
.section-dark{max-width:none;background:var(--bg-alt);}
.section-dark > *{max-width:1200px;margin-left:auto;margin-right:auto;}
.section-head{max-width:640px;margin:0 auto 64px;text-align:center;}
.eyebrow{
  display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent1);margin-bottom:14px;
}
.section-head h2{font-size:clamp(1.8rem,3.5vw,2.6rem);margin-bottom:16px;}
.section-sub{color:var(--text-dim);font-size:1.05rem;}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.step{
  padding:36px 28px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
}
.step-num{
  font-family:var(--font-display);font-size:2.2rem;font-weight:700;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:16px;
}
.step h3{font-size:1.15rem;margin-bottom:10px;}
.step p{color:var(--text-dim);font-size:.95rem;}

/* DEMO */
.demo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;max-width:760px;margin:0 auto;}
.demo-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:9/16;background:#000;border:1px solid var(--border);
  cursor:pointer;
}
.demo-video{width:100%;height:100%;object-fit:cover;}
.demo-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;
  background:rgba(255,255,255,.14);backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.3);color:#fff;
  display:flex;align-items:center;justify-content:center;
  transition:opacity .25s, transform .25s;
}
.demo-card.playing .demo-play{opacity:0;pointer-events:none;}
.demo-play svg{margin-left:3px;}
.demo-caption{
  position:absolute;left:0;right:0;bottom:0;padding:20px 18px;
  background:linear-gradient(0deg, rgba(0,0,0,.85), transparent);
}
.demo-lang{font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent2);}
.demo-caption p{font-size:.9rem;color:#fff;margin-top:6px;line-height:1.4;}

/* LANGUES */
.lang-block{max-width:820px;margin:0 auto 40px;}
.lang-block-title{
  display:flex;align-items:center;gap:10px;font-size:1.1rem;margin-bottom:18px;font-weight:600;
}
.lang-status{width:9px;height:9px;border-radius:50%;flex:none;}
.lang-status.live{background:#3ddc84;box-shadow:0 0 8px #3ddc84;}
.lang-status.soon{background:var(--accent2);box-shadow:0 0 8px var(--accent2);}
.lang-chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  padding:9px 18px;border-radius:999px;font-size:.88rem;
  background:var(--surface);border:1px solid var(--border);color:var(--text-dim);
}
.chip-live{color:var(--text);border-color:rgba(61,220,132,.35);background:rgba(61,220,132,.08);}
.lang-note{color:var(--text-faint);font-size:.88rem;margin-top:18px;max-width:640px;line-height:1.6;}

/* USE CASES */
.cases-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.case-card{
  padding:32px 24px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  transition:transform .25s, border-color .25s;
}
.case-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18);}
.case-icon{font-size:1.8rem;margin-bottom:16px;}
.case-card h3{font-size:1.02rem;margin-bottom:8px;}
.case-card p{color:var(--text-dim);font-size:.9rem;}

/* ENGINES */
.engines-grid{display:flex;flex-wrap:wrap;gap:18px;justify-content:center;max-width:980px;margin:0 auto;}
.engine-card{
  flex:1 1 170px;max-width:210px;text-align:center;padding:26px 18px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);display:flex;flex-direction:column;gap:8px;
}
.engine-live{border-color:rgba(61,220,132,.35);background:rgba(61,220,132,.06);}
.engine-status{font-size:.7rem;font-weight:600;letter-spacing:.03em;color:var(--text-faint);}
.engine-live .engine-status{color:#3ddc84;}
.engine-name{font-family:var(--font-display);font-size:1.15rem;font-weight:700;}
.engine-by{font-size:.8rem;color:var(--text-dim);}
.engines-note{max-width:640px;margin:36px auto 0;text-align:center;color:var(--text-faint);font-size:.85rem;line-height:1.6;}

/* PRICING GRID */
.pricing-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1000px;margin:44px auto 0;align-items:stretch;
}
.price-card{
  text-align:left;padding:32px 26px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);position:relative;overflow:hidden;
  display:flex;flex-direction:column;
}
.price-card::before{
  content:"";position:absolute;inset:0;opacity:.06;background:var(--grad);pointer-events:none;
}
.price-featured{border-color:rgba(255,107,74,.45);}
.price-featured::before{opacity:.12;}
.price-tag{
  position:relative;display:inline-block;padding:6px 14px;border-radius:999px;align-self:flex-start;
  background:rgba(255,255,255,.08);font-size:.78rem;font-weight:600;margin-bottom:18px;
}
.price-amount{position:relative;font-size:1.6rem;margin-bottom:10px;min-height:1.2em;}
.price-amount small{font-size:.55em;font-weight:400;color:var(--text-dim);}
.price-detail{position:relative;color:var(--text-dim);font-size:.85rem;margin-bottom:20px;min-height:2.4em;}
.price-features{position:relative;list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:26px;flex:1;}
.price-features li{
  font-size:.86rem;color:var(--text-dim);padding-left:22px;position:relative;
}
.price-features li::before{
  content:"✓";position:absolute;left:0;color:var(--accent2);font-weight:700;
}
.price-card .btn{position:relative;}

/* FAQ */
.faq-list{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:6px 22px;
}
.faq-item summary{
  padding:16px 0;cursor:pointer;font-weight:600;list-style:none;position:relative;padding-right:28px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:0;top:14px;font-size:1.3rem;color:var(--accent1);transition:transform .2s;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{color:var(--text-dim);font-size:.92rem;line-height:1.6;padding-bottom:18px;}

/* WAITLIST */
.waitlist-section{padding-bottom:140px;}
.waitlist-box{
  max-width:640px;margin:0 auto;padding:56px 40px;border-radius:24px;
  background:var(--surface);border:1px solid var(--border);
  position:relative;overflow:hidden;
}
.waitlist-box::before{
  content:"";position:absolute;top:-40%;left:-20%;width:80%;height:80%;
  background:var(--grad);filter:blur(90px);opacity:.18;pointer-events:none;
}
.waitlist-form{position:relative;display:flex;flex-direction:column;gap:14px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.hp{position:absolute;left:-9999px;}
.waitlist-form input,.waitlist-form select,.waitlist-form textarea{
  width:100%;padding:14px 16px;border-radius:12px;
  background:var(--surface-2);border:1px solid var(--border);color:var(--text);
  font-family:var(--font-body);font-size:.92rem;
}
.waitlist-form textarea{resize:vertical;min-height:90px;}
.waitlist-form select{color:var(--text-dim);}
.waitlist-form select:valid{color:var(--text);}
.waitlist-form input:focus,.waitlist-form select:focus,.waitlist-form textarea:focus{outline:none;border-color:var(--accent1);}
.waitlist-form input::placeholder,.waitlist-form textarea::placeholder{color:var(--text-faint);}
.form-status{font-size:.88rem;text-align:center;min-height:1.2em;color:var(--text-dim);}
.form-status.ok{color:#3ddc84;}
.form-status.err{color:#ff6b6b;}

/* FOOTER */
.footer{border-top:1px solid var(--border);padding:56px 24px 28px;}
.footer-inner{
  max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;flex-wrap:wrap;gap:32px;
  padding-bottom:32px;
}
.footer-brand p{color:var(--text-faint);font-size:.88rem;margin-top:8px;max-width:260px;}
.footer-cols{display:flex;gap:56px;flex-wrap:wrap;}
.footer-col{display:flex;flex-direction:column;gap:12px;min-width:140px;}
.footer-col h4{font-size:.82rem;color:var(--text-faint);text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px;}
.footer-col a{font-size:.9rem;color:var(--text-dim);}
.footer-col a:hover{color:var(--text);}
.footer-bottom{
  max-width:1200px;margin:0 auto;border-top:1px solid var(--border);padding-top:24px;
  color:var(--text-faint);font-size:.82rem;
}

/* REVEAL */
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .7s ease, transform .7s ease;}
[data-reveal].in{opacity:1;transform:none;}

/* RESPONSIVE */
@media (max-width:900px){
  .nav-links{display:none;}
  .nav-burger{display:flex;}
  .steps{grid-template-columns:1fr;}
  .cases-grid{grid-template-columns:1fr 1fr;}
  .stats-inner{grid-template-columns:1fr;gap:32px;}
  .pricing-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .demo-grid{grid-template-columns:1fr;max-width:320px;}
  .cases-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .waitlist-box{padding:40px 22px;}
  .section{padding:80px 20px;}
  .hero-actions .btn{width:100%;}
  .pricing-grid{grid-template-columns:1fr;}
  .footer-cols{gap:32px;}
}