:root{
  --bg:#fff;--alt:#f5f6fb;--ink:#0f172a;--mut:#5b6478;--line:#e4e7f0;
  --pri:#0b5cad;--pri2:#2bb3a3;--gold:#d4a548;--card:#fff;--shadow:0 10px 30px rgba(30,41,90,.08);
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0b1020;--alt:#10172c;--ink:#e8ecf8;--mut:#9aa5c0;--line:#222c48;--card:#131b33;--pri:#4da3ff;--shadow:0 10px 30px rgba(0,0,0,.35)}
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font-family:Inter,system-ui,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
h1,h2,h3,h4{line-height:1.2;letter-spacing:-.02em}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:600}
.brand b{font-weight:800;color:var(--pri)}
.logo{display:block;width:64px;height:36px;border-radius:8px;background:#0a2a5c url(assets/logo.png) -28px -30px/119px auto no-repeat;flex:none}
.links{display:flex;align-items:center;gap:26px;font-size:15px;font-weight:500}
.links a:not(.btn):hover{color:var(--pri)}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}

/* buttons */
.btn{display:inline-block;background:linear-gradient(135deg,var(--pri),#0a3f7a);color:#fff;padding:13px 26px;border-radius:12px;font-weight:600;border:0;cursor:pointer;font:inherit;font-weight:600;box-shadow:0 8px 20px rgba(11,92,173,.3);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(11,92,173,.4)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line);box-shadow:none}
.btn-ghost:hover{border-color:var(--pri);box-shadow:none}

/* hero */
.hero{padding:80px 0 60px;background:radial-gradient(900px 400px at 85% -10%,rgba(11,92,173,.18),transparent),radial-gradient(700px 400px at 0% 10%,rgba(6,182,212,.14),transparent)}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.pill{display:inline-block;padding:6px 14px;border-radius:99px;background:var(--alt);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--pri);margin-bottom:20px}
h1{font-size:clamp(34px,5.2vw,58px);font-weight:800}
.grad{background:linear-gradient(135deg,var(--pri),var(--pri2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:18px;color:var(--mut);margin:20px 0 30px;max-width:560px}
.cta{display:flex;gap:14px;flex-wrap:wrap}
.ticks{list-style:none;padding:0;display:flex;gap:20px;flex-wrap:wrap;margin-top:28px;font-size:14px;color:var(--mut);font-weight:500}
.ticks li::before{content:"✓ ";color:var(--pri);font-weight:800}
.hero-art{position:relative}
.card-code pre{font-family:ui-monospace,Consolas,monospace;white-space:pre-wrap;line-height:1.7}
.dots{display:flex;gap:6px;margin-bottom:14px}.dots i{width:11px;height:11px;border-radius:50%;background:#ff5f56}.dots i:nth-child(2){background:#ffbd2e}.dots i:nth-child(3){background:#27c93f}
.c{color:#6c7a9c}.k{color:#c792ea}.s{color:#9ece6a}
.float{position:absolute;background:var(--card);border:1px solid var(--line);padding:8px 16px;border-radius:12px;font-weight:600;font-size:14px;box-shadow:var(--shadow);animation:fl 5s ease-in-out infinite}
.f1{top:-18px;right:20px}.f2{bottom:30px;left:-24px;animation-delay:-2s}.f3{bottom:-18px;right:50px;animation-delay:-3.5s}
@keyframes fl{50%{transform:translateY(-10px)}}

/* strip */
.strip{border-block:1px solid var(--line);background:var(--alt)}
.strip-in{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-block:26px;text-align:center}
.strip b{display:block;font-size:22px;font-weight:800;color:var(--pri)}
.strip span{font-size:14px;color:var(--mut)}

/* sections */
.sec{padding:90px 0}.alt{background:var(--alt)}
.head{text-align:center;max-width:700px;margin:0 auto 40px}
.eyebrow{display:inline-block;border-bottom:2px solid var(--gold);padding-bottom:2px;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--pri);margin-bottom:10px}
h2{font-size:clamp(28px,3.6vw,40px);font-weight:800}
.head p{color:var(--mut);margin-top:12px}

.filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:34px}
.filters button{font:inherit;font-size:14px;font-weight:600;padding:8px 18px;border-radius:99px;border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;transition:.15s}
.filters button:hover{border-color:var(--pri)}
.filters button.on{background:var(--pri);border-color:var(--pri);color:#fff}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:20px}
.svc{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;flex-direction:column}
.svc:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--pri)}
.ic{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;font-size:24px;background:linear-gradient(135deg,rgba(11,92,173,.14),rgba(6,182,212,.14));margin-bottom:16px}
.svc h3{font-size:18px;margin-bottom:8px}
.svc p{font-size:14.5px;color:var(--mut);margin-bottom:14px}
.svc ul{list-style:none;padding:0;margin-top:auto;display:flex;flex-wrap:wrap;gap:6px}
.svc li{font-size:12px;font-weight:500;padding:3px 10px;border-radius:99px;background:var(--alt);color:var(--mut)}
.svc.hide{display:none}

.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.steps li{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px}
.steps i{font-style:normal;font-size:30px;font-weight:800;background:linear-gradient(135deg,var(--pri),var(--pri2));-webkit-background-clip:text;background-clip:text;color:transparent}
.steps h3{margin:6px 0}.steps p{color:var(--mut);font-size:15px}

.tech{display:grid;gap:18px}
.trow{display:grid;grid-template-columns:170px 1fr;gap:16px;align-items:start;padding-bottom:18px;border-bottom:1px solid var(--line)}
.trow h4{font-size:15px;padding-top:6px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{font-size:13.5px;font-weight:500;padding:6px 14px;border-radius:10px;background:var(--card);border:1px solid var(--line)}

.inds{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.inds div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;text-align:center;font-weight:600;font-size:15px}
.inds div span{display:block;font-size:30px;margin-bottom:6px}

.why{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center}
.lead2{color:var(--mut);margin:14px 0 26px;font-size:17px}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.feat div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.feat h3{font-size:16px;margin-bottom:6px}.feat p{font-size:14px;color:var(--mut)}

.narrow{max-width:780px}
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin-bottom:12px}
summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::after{content:"+";font-size:22px;color:var(--pri);line-height:1}
details[open] summary::after{content:"–"}
details p{color:var(--mut);margin-top:12px;font-size:15px}

.contact{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.info{list-style:none;padding:0;display:grid;gap:10px;color:var(--mut)}
.info a{color:var(--pri);font-weight:600}
.form{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow);display:grid;gap:16px}
.form label{display:grid;gap:6px;font-size:14px;font-weight:600}
.form input,.form select,.form textarea{font:inherit;font-weight:400;padding:11px 14px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--pri);outline-offset:1px}
.note{font-size:14px;min-height:20px;color:var(--pri)}

.foot{background:#0b1020;color:#aab3cc;padding-top:56px}
.foot .brand{color:#fff}
.foot-in{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.foot p{margin-top:12px;font-size:14px;max-width:340px}
.foot h4{color:#fff;margin-bottom:12px;font-size:15px}
.foot-in a:not(.brand){display:block;font-size:14px;padding:3px 0}
.foot-in a:hover{color:#fff}
.copy{margin-top:40px;padding-block:20px;border-top:1px solid #1f2847;font-size:13px}

@media (max-width:900px){
  .hero-in,.why,.contact{grid-template-columns:1fr}
  .hero-art{max-width:480px}
  .steps{grid-template-columns:1fr 1fr}
  .strip-in{grid-template-columns:1fr 1fr}
  .trow{grid-template-columns:1fr}
}
@media (max-width:720px){
  .burger{display:block}
  .links{position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:10px 20px 20px;display:none}
  .links.open{display:flex}
  .links a{padding:12px 0}
  .links .btn{text-align:center;margin-top:8px}
  .steps,.feat,.foot-in{grid-template-columns:1fr}
  .sec{padding:64px 0}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.hero-logo{display:block;width:100%;height:auto;border-radius:24px;box-shadow:0 30px 60px rgba(10,42,92,.4)}

/* v2 */
.lead strong{color:var(--ink)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.big{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--gold);border-radius:18px;padding:32px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px}
.bi{font-size:34px}
.big h3{font-size:23px}
.big>p{color:var(--mut);font-size:15.5px}
.check{list-style:none;padding:0;display:grid;gap:7px;font-size:14.5px;margin:4px 0 10px}
.check li{padding-left:24px;position:relative}
.check li::before{content:"✓";position:absolute;left:0;color:var(--pri2);font-weight:800}
.big .btn{align-self:flex-start;margin-top:auto}
.sdlc{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.sdlc li{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;position:relative}
.sdlc .n{position:absolute;top:16px;right:18px;font-weight:800;font-size:14px;color:var(--gold)}
.si{font-size:28px;margin-bottom:10px}
.sdlc h3{font-size:16.5px;margin-bottom:6px}.sdlc p{font-size:14px;color:var(--mut)}
.after{max-width:760px;margin:30px auto 0;text-align:center;color:var(--mut)}
.after a{color:var(--pri);font-weight:600}
.svc.core{border-top:3px solid var(--gold)}
.trow h3{font-size:15px;padding-top:6px}
@media (max-width:1000px){.sdlc{grid-template-columns:1fr 1fr}}
@media (max-width:900px){.two{grid-template-columns:1fr}}
@media (max-width:560px){.sdlc{grid-template-columns:1fr}}

/* v3 */
.cloud{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;justify-content:center;padding:28px;border-radius:24px;background:radial-gradient(circle at 50% 40%,rgba(43,179,163,.14),transparent 70%),var(--card);border:1px solid var(--line);box-shadow:var(--shadow)}
.w{font-weight:700;line-height:1.15;transition:transform .15s}
.w:hover{transform:scale(1.12)}
.w1{font-size:13px;opacity:.7}.w2{font-size:17px}.w3{font-size:22px}.w4{font-size:30px}.w5{font-size:40px;font-weight:800}
.c0{color:var(--pri)}.c1{color:var(--pri2)}.c2{color:var(--gold)}.c3{color:var(--ink)}
.hero.sub{padding:70px 0 50px}.narrow2{max-width:820px}.center{text-align:center}
.profs{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:22px}
.prof{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--gold);border-radius:16px;padding:26px}
.pavatar{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--alt);font-size:22px;margin-bottom:10px}
.prof h3{font-size:19px}.yrs{color:var(--pri);font-weight:600;font-size:14px;margin:2px 0 10px}
.prof h4{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--mut);margin:16px 0 8px}
.chips2{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.chips2 li{font-size:12.5px;padding:4px 10px;border-radius:99px;background:var(--alt)}.chips2.t li{background:rgba(11,92,173,.12);color:var(--pri)}
.empty{text-align:center;padding:40px;border:2px dashed var(--line);border-radius:16px;color:var(--mut)}
.profs:has(.empty){display:block}
@media (max-width:560px){.w5{font-size:30px}.w4{font-size:24px}}

/* v4 */
.globe.on{position:relative;display:block;width:100%;max-width:520px;aspect-ratio:1;margin:0 auto;padding:0;border-radius:50%;overflow:visible;
  background:radial-gradient(circle at 50% 45%,rgba(43,179,163,.22),rgba(11,92,173,.10) 55%,transparent 72%);border:0;box-shadow:none;touch-action:pan-y;cursor:grab}
.globe.on::before{content:"";position:absolute;inset:6%;border-radius:50%;border:1px dashed var(--line)}
.globe.on .w{position:absolute;left:0;top:0;white-space:nowrap;will-change:transform,opacity;transition:color .15s}
.globe.on .w:hover{transform:none;color:var(--gold)}
.globe.on .w1{font-size:12px}.globe.on .w2{font-size:15px}.globe.on .w3{font-size:19px}.globe.on .w4{font-size:24px}.globe.on .w5{font-size:30px}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto}
.btn.soon{background:var(--alt);color:var(--mut);border:1px dashed var(--line);box-shadow:none;cursor:default}
.btn.soon:hover{transform:none;box-shadow:none}
.product{max-width:820px;margin:0 auto}
.form .chk{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:13.5px;color:var(--mut)}
.form .chk input{margin-top:3px}
.form input[type=file]{padding:9px}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}
.big .btn-row .btn{align-self:auto}