:root{--navy:#0F1B33;--navy2:#16264a;--ink:#0F1B33;--mint:#5EE6B8;--mintd:#1f9e74;--bg:#fff;--soft:#F4F6FA;--line:rgba(15,27,51,.1);--mute:#5b6680;--r:18px;--ff:"Inter Tight",system-ui,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.55;overflow-x:hidden}
#mesh{position:absolute;top:0;left:0;width:100%;height:100vh;min-height:760px;z-index:-1;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--ff);letter-spacing:-.025em;line-height:1.05;font-weight:600}
h2{font-size:clamp(32px,4.2vw,52px)}
h3{font-size:21px;letter-spacing:-.015em}
.eyebrow{font:500 13px/1 var(--ff);letter-spacing:.08em;text-transform:uppercase;color:var(--mintd);margin-bottom:18px;display:flex;align-items:center;gap:10px}
.eyebrow:before{content:"";width:18px;height:1px;background:currentColor}
.sub{color:var(--mute);font-size:18px;max-width:560px;margin-top:18px}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--navy);color:#fff;border:0;border-radius:999px;padding:15px 24px;font:500 15px var(--ff);cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px -10px rgba(15,27,51,.5)}
.btn .arr{transition:transform .25s}.btn:hover .arr{transform:translateX(4px)}
.btn-ghost{background:rgba(255,255,255,.6);color:var(--navy);box-shadow:inset 0 0 0 1px var(--line);backdrop-filter:blur(8px)}
.btn-mint{background:var(--mint);color:var(--navy)}
.btn-sm{padding:10px 18px;font-size:14px}
/* nav */
.nav{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,box-shadow .3s}
.nav.scrolled{background:rgba(255,255,255,.82);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.nav-in{display:flex;align-items:center;gap:32px;height:74px}
.logo{display:flex;align-items:center;gap:10px;font:600 21px var(--ff);letter-spacing:-.03em;color:var(--navy)}
.links{display:flex;gap:28px;margin-left:auto;font-size:14.5px;color:var(--mute)}
.links a{position:relative;transition:color .2s}.links a:hover{color:var(--navy)}
.links a:after{content:"";position:absolute;left:0;bottom:-4px;height:1px;width:100%;background:var(--navy);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.links a:hover:after{transform:scaleX(1)}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;margin-left:auto}
.burger span{display:block;width:22px;height:1.6px;background:var(--navy);margin:6px auto;transition:transform .3s}
/* hero */
.hero{min-height:100vh;display:flex;align-items:center;padding:140px 0 90px}
.hero h1{font-size:clamp(44px,7.4vw,104px);letter-spacing:-.045em;line-height:.98;max-width:1050px;font-weight:600}
.hero h1 .muted{color:rgba(15,27,51,.4)}
.hero h1 em{font-style:normal;background:linear-gradient(transparent 68%,rgba(94,230,184,.55) 68%,rgba(94,230,184,.55) 92%,transparent 92%)}
.lead{font-size:clamp(17px,1.5vw,20px);color:#34405a;max-width:620px;margin-top:30px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:38px}
.hero-meta{list-style:none;display:flex;gap:28px;flex-wrap:wrap;margin-top:44px;font-size:14px;color:var(--mute)}
.hero-meta li{display:flex;align-items:center;gap:8px}
.hero-meta li:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint)}
/* sections */
.sec{padding:120px 0}
.sec-head{margin-bottom:60px}
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.step{padding:36px 36px 10px 0;position:relative}
.step+.step{padding-left:36px;border-left:1px solid var(--line)}
.num{font:500 14px var(--ff);color:var(--mintd);display:block;margin-bottom:46px}
.step h3{margin-bottom:12px}.step p{color:var(--mute)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{position:relative;background:var(--soft);border-radius:var(--r);padding:34px;transition:transform .35s,box-shadow .35s,background .35s;overflow:hidden}
.card:hover{transform:translateY(-6px);background:#fff;box-shadow:0 30px 60px -30px rgba(15,27,51,.35),0 0 0 1px var(--line)}
.card-ico{width:48px;height:48px;border-radius:12px;background:var(--navy);display:grid;place-items:center;margin-bottom:56px;transition:background .3s}
.card-ico svg{width:24px;height:24px;fill:none;stroke:var(--mint);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.card:hover .card-ico{background:var(--mintd)}.card:hover .card-ico svg{stroke:#fff}
.card h3{font-size:28px;margin-bottom:12px}.card p{color:var(--mute)}
.card ul{list-style:none;margin-top:26px;border-top:1px solid var(--line)}
.card li{padding:11px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.badge{position:absolute;top:28px;right:28px;font:500 12px var(--ff);padding:6px 11px;border-radius:99px;background:#fff;box-shadow:inset 0 0 0 1px var(--line);color:var(--mute)}
/* demo */
#demo{background:var(--soft)}
.demo-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:70px;align-items:center}
.chips{display:flex;flex-direction:column;align-items:flex-start;gap:10px;margin-top:32px}
.chips button{font:14.5px Inter,sans-serif;text-align:left;background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 16px;cursor:pointer;color:var(--navy);transition:border-color .2s,transform .2s}
.chips button:hover{border-color:var(--navy);transform:translateX(4px)}
.chat{background:var(--navy);color:#e7ecf5;border-radius:22px;padding:22px;box-shadow:0 40px 80px -40px rgba(15,27,51,.6)}
.chat-top{display:flex;align-items:center;gap:10px;font:500 15px var(--ff);color:#fff}
.dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(94,230,184,.18)}
.tag{margin-left:auto;font-size:11px;letter-spacing:.08em;text-transform:uppercase;border:1px solid rgba(94,230,184,.5);color:var(--mint);padding:4px 9px;border-radius:99px}
.chat-note{font-size:12.5px;color:#8f9bb5;margin:10px 0 16px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.08)}
.chat-body{height:360px;overflow-y:auto;display:flex;flex-direction:column;gap:12px;padding-right:4px;scrollbar-width:thin}
.msg{max-width:88%;padding:12px 15px;border-radius:14px;font-size:14.5px;line-height:1.55;white-space:pre-wrap}
.msg.bot{background:rgba(255,255,255,.06);border-top-left-radius:4px}
.msg.user{align-self:flex-end;background:var(--mint);color:var(--navy);border-top-right-radius:4px}
.msg b{color:var(--mint);font-weight:600}
.typing:after{content:"▍";animation:bl 1s infinite;color:var(--mint)}
@keyframes bl{50%{opacity:0}}
.chat-form{display:flex;gap:8px;margin-top:14px;background:rgba(255,255,255,.06);border-radius:14px;padding:6px}
.chat-form input{flex:1;min-width:0;background:none;border:0;color:#fff;font:15px Inter,sans-serif;padding:10px 12px;outline:none}
.chat-form input::placeholder{color:#7d89a3}
.send{width:42px;height:42px;border-radius:10px;border:0;background:var(--mint);cursor:pointer;display:grid;place-items:center;transition:transform .2s}
.send:hover{transform:scale(1.06)}
.send svg{width:18px;fill:none;stroke:var(--navy);stroke-width:2;stroke-linecap:round}
/* builders */
.builders{background:var(--navy);color:#fff;border-radius:28px;padding:72px;display:grid;grid-template-columns:1.4fr 1fr;gap:60px;position:relative;overflow:hidden}
.builders:before{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-200px;background:radial-gradient(circle,rgba(94,230,184,.28),transparent 65%)}
.builders>*{position:relative}
.builders p{color:#b6c0d4;font-size:17px;margin-top:20px;max-width:540px}
.eyebrow-light{color:var(--mint)}
.checks{list-style:none;margin-top:28px}
.checks li{padding:10px 0 10px 30px;position:relative;border-top:1px solid rgba(255,255,255,.08)}
.checks li:before{content:"";position:absolute;left:2px;top:17px;width:12px;height:6px;border-left:1.6px solid var(--mint);border-bottom:1.6px solid var(--mint);transform:rotate(-45deg)}
.perk{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:34px;align-self:center}
.perk-label{font:500 12px var(--ff)!important;letter-spacing:.1em;text-transform:uppercase;color:var(--mint)!important;margin:0!important}
.perk-big{font:600 112px/1 var(--ff)!important;letter-spacing:-.06em;color:#fff!important;margin:14px 0 6px!important}
.perk-txt{margin:0 0 26px!important;font-size:15.5px!important}
/* forms */
.forms{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.wl{position:relative;border:1px solid var(--line);border-radius:var(--r);padding:36px;display:flex;flex-direction:column;gap:16px;background:#fff}
.wl>p{color:var(--mute);margin-top:-8px;margin-bottom:6px}
.wl label{display:flex;flex-direction:column;gap:7px;font-size:13.5px;font-weight:500;color:#34405a}
.wl input,.wl select{font:15px Inter,sans-serif;padding:13px 14px;border:1px solid var(--line);border-radius:11px;background:var(--soft);color:var(--navy);outline:none;transition:border-color .2s,box-shadow .2s,background .2s;appearance:none}
.wl select{background-image:linear-gradient(45deg,transparent 50%,#5b6680 50%),linear-gradient(135deg,#5b6680 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px;background-repeat:no-repeat}
.wl input:focus,.wl select:focus{border-color:var(--navy);background-color:#fff;box-shadow:0 0 0 4px rgba(94,230,184,.25)}
.wl .btn{justify-content:center;margin-top:6px}
.ok{position:absolute;inset:0;background:#fff;border-radius:var(--r);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:36px;gap:10px}
.ok[hidden]{display:none}
.ok svg{width:56px;height:56px;padding:14px;border-radius:50%;background:var(--mint);fill:none;stroke:var(--navy);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;margin-bottom:8px}
.ok p{color:var(--mute);max-width:300px}
.ok svg path{stroke-dasharray:24;stroke-dashoffset:24;animation:draw .6s .2s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.wl.flash{animation:fl .6s}
/* faq */
.faq-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:60px}
.faq{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;padding:24px 40px 24px 0;font:500 18px var(--ff);letter-spacing:-.01em;position:relative;transition:color .2s}
summary::-webkit-details-marker{display:none}
summary:after,summary:before{content:"";position:absolute;right:6px;top:50%;width:14px;height:1.6px;background:var(--navy);transition:transform .3s}
summary:before{transform:rotate(90deg)}
details[open] summary:before{transform:rotate(0)}
summary:hover{color:var(--mintd)}
details p{color:var(--mute);padding:0 40px 24px 0;max-width:640px}
/* footer */
.foot{background:var(--navy);color:#b6c0d4;padding:80px 0 30px;margin-top:40px}
.foot .logo{color:#fff}
.foot-in{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.foot-tag{max-width:320px;margin-top:16px;font-size:15px}
.foot-cols{display:flex;gap:80px}
.foot-cols h4{color:#fff;font-size:14px;margin-bottom:14px}
.foot-cols a{display:block;font-size:14.5px;padding:4px 0;transition:color .2s}.foot-cols a:hover{color:var(--mint)}
.foot-bot{display:flex;justify-content:space-between;margin-top:64px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;flex-wrap:wrap;gap:8px}
/* reveal fallback */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}
/* responsive */
@media (max-width:980px){
 .links{display:none}.nav .btn-sm{display:none}.burger{display:block}
 .links.open{display:flex;flex-direction:column;position:absolute;top:74px;left:0;right:0;background:#fff;padding:20px 32px 28px;gap:18px;font-size:18px;box-shadow:0 20px 30px -20px rgba(15,27,51,.2)}
 .nav.menu{background:#fff}
 .steps,.cards,.forms,.demo-grid,.builders,.faq-grid{grid-template-columns:1fr}
 .step,.step+.step{padding:30px 0;border-left:0;border-bottom:1px solid var(--line)}
 .num{margin-bottom:18px}
 .demo-grid,.faq-grid{gap:40px}
 .builders{padding:48px 36px;gap:36px}
}
@media (max-width:560px){
 .wrap{padding:0 20px}
 .sec{padding:84px 0}
 .sec-head{margin-bottom:40px}
 .hero{min-height:auto;padding:120px 0 70px}
 .hero-cta .btn{width:100%;justify-content:center}
 .hero-meta{flex-direction:column;gap:10px}
 .card{padding:28px}.card-ico{margin-bottom:36px}
 .badge{top:24px;right:24px}
 .builders{padding:40px 24px;border-radius:22px}
 .perk{padding:26px}.perk-big{font-size:88px!important}
 .wl{padding:26px}
 .chat{padding:16px}.chat-body{height:340px}
 .foot-cols{gap:48px}
}