:root{--navy:#0a2540;--navy2:#0d3157;--blue:#1565d8;--aqua:#19c3c9;--ice:#eef6fb;--ink:#14263b;--mut:#566679;--line:#d6e2ec;--bg:#fff;--card:#fff;--sh:0 18px 40px -22px rgba(10,37,64,.35)}
@media(prefers-color-scheme:dark){:root{--bg:#0b1624;--ice:#0f2236;--ink:#e6eef6;--mut:#9fb0c2;--line:#22384f;--card:#12283f;--blue:#5aa2ff;--sh:0 18px 40px -22px #000}}
*{box-sizing:border-box}
body{margin:0;font:17px/1.65 "Inter",system-ui,sans-serif;color:var(--ink);background:var(--bg)}
h1,h2,h3{font-family:"Sora","Inter",sans-serif;line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
a{color:var(--blue)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--aqua);outline-offset:3px}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
#bar{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--aqua),#3d8bff);z-index:50}
header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
header.on{border-color:var(--line);box-shadow:0 6px 24px -16px rgba(10,37,64,.4)}
header .wrap{display:flex;justify-content:space-between;align-items:center;height:68px}
.logo{display:flex;align-items:center;gap:11px;font:700 20px "Sora",sans-serif;color:var(--ink);text-decoration:none}
.logo img{width:44px;height:44px;display:block;flex:none}.logo small{display:block;font:500 10.5px "Inter",sans-serif;letter-spacing:.14em;color:var(--mut);margin-top:-3px}
nav a{margin-left:26px;color:var(--ink);text-decoration:none;font-size:15px;font-weight:500;padding:6px 0;border-bottom:2px solid transparent;transition:border-color .2s}
nav a:hover{border-color:var(--aqua)}
.hero{background:radial-gradient(900px 420px at 85% 10%,#14508f55,transparent),var(--navy);color:#fff;padding:104px 0 170px;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.35fr 1fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero h1{font-size:clamp(36px,5.6vw,62px);animation:rise .9s cubic-bezier(.2,.7,.2,1) both}
.hero p{color:#c5d6e6;font-size:19px;max-width:32em;animation:rise .9s .12s cubic-bezier(.2,.7,.2,1) both}
.hero .acts{animation:rise .9s .24s cubic-bezier(.2,.7,.2,1) both}
@keyframes rise{from{opacity:0;transform:translateY(22px)}}
.btn{display:inline-block;background:var(--aqua);color:#042133;padding:14px 28px;border-radius:8px;font-weight:600;text-decoration:none;margin:12px 12px 0 0;transition:transform .2s,box-shadow .2s;box-shadow:0 10px 24px -10px var(--aqua)}
.btn:hover{transform:translateY(-2px)}.btn.ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px #ffffff66}
.facts{list-style:none;margin:0;padding:26px 28px;background:#ffffff12;border:1px solid #ffffff26;border-radius:16px;backdrop-filter:blur(8px);animation:rise .9s .36s cubic-bezier(.2,.7,.2,1) both}
.facts li{padding:12px 0;border-bottom:1px solid #ffffff1f;color:#dbe8f4}.facts li:last-child{border:0}.facts b{display:block;color:#fff;font:600 17px "Sora",sans-serif}
.waves{position:absolute;left:0;right:0;bottom:-1px;height:130px;z-index:1}
.waves svg{position:absolute;left:0;bottom:0;width:200%;height:100%;animation:drift 22s linear infinite}
.waves svg:nth-child(1){opacity:.35;animation-duration:34s;height:88%}.waves svg:nth-child(2){opacity:.6;animation-duration:26s;animation-direction:reverse;height:70%;fill:var(--aqua)}
.waves svg:nth-child(3){height:50%;fill:var(--bg)}
@keyframes drift{to{transform:translateX(-50%)}}
section{padding:84px 0}section.alt{background:var(--ice)}
h2{font-size:clamp(28px,4vw,40px)}.lead{color:var(--mut);max-width:38em}
.two{display:grid;grid-template-columns:1.2fr 1fr;gap:56px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--sh)}
dl{margin:0}dt{font-weight:600}dd{margin:0 0 16px;color:var(--mut)}dd:last-child{margin:0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:22px;margin-top:34px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px;transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh)}.card h3{font-size:19px}.card p{margin:0;color:var(--mut)}
.card i{display:block;width:44px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--aqua),#3d8bff);margin-bottom:18px}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;margin-top:36px;padding:0;list-style:none}
.steps li{position:relative;padding-top:58px}.steps li:before{counter-increment:s;content:counter(s);position:absolute;top:0;left:0;width:42px;height:42px;border-radius:50%;background:var(--navy);color:var(--aqua);font:700 18px/42px "Sora",sans-serif;text-align:center}
.steps li:after{content:"";position:absolute;top:20px;left:54px;right:-20px;height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 6px,transparent 6px 12px)}.steps li:last-child:after{display:none}
.steps b{display:block;font:600 18px "Sora",sans-serif}.steps span{color:var(--mut)}
footer{background:var(--navy);color:#a9bccf;padding:44px 0;font-size:14px}footer a{color:#fff}
.doc{max-width:720px;padding:64px 22px}.doc h1{font-size:38px}.doc h2{font-size:22px;margin-top:1.6em}
/* assistant */
#bw{position:fixed;right:20px;bottom:20px;z-index:60;font:15px/1.5 "Inter",system-ui,sans-serif}
#bw-fab{display:flex;align-items:center;gap:10px;border:0;cursor:pointer;background:var(--navy);color:#fff;padding:8px 18px 8px 8px;border-radius:40px;box-shadow:0 14px 30px -10px rgba(10,37,64,.6);font:600 15px "Inter",sans-serif}
#bw-fab img{width:40px;height:40px;border-radius:50%}
#bw-panel{position:absolute;right:0;bottom:70px;width:370px;max-width:calc(100vw - 40px);height:540px;max-height:calc(100vh - 110px);background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:0 30px 60px -20px rgba(10,37,64,.55);display:none;flex-direction:column;overflow:hidden;color:var(--ink)}
#bw.open #bw-panel{display:flex;animation:rise .35s cubic-bezier(.2,.7,.2,1)}#bw.open #bw-fab span{display:none}
.bh{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--navy);color:#fff}.bh img{width:38px;height:38px;border-radius:50%}
.bh b{display:block;font:600 16px "Sora",sans-serif}.bh small{color:#9fd8dc}.bh button{margin-left:auto;background:none;border:0;color:#fff;font-size:24px;cursor:pointer;line-height:1}
#bw-log{flex:1;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:10px;scroll-behavior:smooth}
.m{max-width:86%;padding:10px 14px;border-radius:14px;animation:rise .3s both}
.m.bot{background:var(--ice);border-bottom-left-radius:4px}.m.me{align-self:flex-end;background:var(--blue);color:#fff;border-bottom-right-radius:4px}
.m a{color:inherit;font-weight:600}.m.typing{display:flex;gap:4px}.m.typing i{width:7px;height:7px;border-radius:50%;background:var(--mut);animation:dot 1s infinite}.m.typing i:nth-child(2){animation-delay:.15s}.m.typing i:nth-child(3){animation-delay:.3s}
@keyframes dot{50%{transform:translateY(-4px);opacity:.4}}
#bw-q{display:flex;flex-wrap:wrap;gap:8px;padding:0 16px 12px}
#bw-q button{border:1px solid var(--aqua);background:transparent;color:var(--ink);padding:7px 12px;border-radius:20px;font:500 13.5px "Inter",sans-serif;cursor:pointer;transition:background .2s}#bw-q button:hover{background:var(--aqua);color:#042133}
#bw-f{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}#bw-f input{flex:1;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:20px;padding:10px 14px;font:inherit}
#bw-f button{border:0;background:var(--blue);color:#fff;border-radius:20px;padding:0 16px;font-weight:600;cursor:pointer}
.note{padding:0 16px 10px;font-size:11.5px;color:var(--mut)}
@media(max-width:820px){.hero .wrap,.two{grid-template-columns:1fr}.hero{padding:72px 0 150px}nav a{margin-left:16px}.logo small{display:none}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}