:root{--bg:#11161a;--card:#182026;--line:#26323a;--fg:#e8f0f2;--muted:#8fa3ab;--teal:#4cb3b7;--teal2:#97d2c3;--deep:#0d6b70}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font:16px/1.6 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,.brand,.stat,strong.counter{font-family:"Space Grotesk",sans-serif;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.narrow{max-width:780px}
.center{text-align:center}
.muted{color:var(--muted)}
.mw{max-width:600px;margin-top:12px}
.grad{background:linear-gradient(90deg,var(--teal),var(--teal2));-webkit-background-clip:text;background-clip:text;color:transparent}
/* nav */
.nav{position:fixed;inset:0 0 auto;z-index:50;background:rgba(17,22,26,.8);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.08em}
.brand img{width:38px;height:38px;border-radius:8px}
.brand b{color:var(--teal);font-weight:600}
.links{display:flex;align-items:center;gap:28px;font-size:15px}
.links a{color:var(--muted);transition:color .2s}
.links a:hover,.links a.active{color:var(--fg)}
.links a.btn{color:var(--bg)}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:22px;height:2px;background:var(--fg);margin:5px 0;transition:.3s}
main{padding-top:72px}
/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--teal);color:var(--bg);font-weight:600;padding:14px 28px;border-radius:999px;border:1px solid var(--teal);cursor:pointer;font-size:16px;font-family:inherit;transition:.25s}
.btn:hover{filter:brightness(1.1);box-shadow:0 0 32px -6px var(--teal)}
.btn.ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--teal);color:var(--teal);box-shadow:none}
.btn.sm{padding:9px 18px;font-size:14px}
.btn.full{width:100%;justify-content:center}
.btns{display:flex;flex-wrap:wrap;gap:16px;margin-top:36px}
/* hero */
.glow{background:radial-gradient(ellipse at 20% 0%,rgba(76,179,183,.18),transparent 60%),radial-gradient(ellipse at 90% 100%,rgba(13,107,112,.2),transparent 55%)}
.hero{position:relative;overflow:hidden}
.grid-bg{position:absolute;inset:0;opacity:.35;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at top,#000 30%,transparent 75%)}
.hero-in{position:relative;padding-top:110px;padding-bottom:70px}
.hero-in.big{padding-bottom:130px}
.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:rgba(24,32,38,.6);padding:6px 16px;border-radius:999px;font-size:13px;color:var(--muted)}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--teal)}
h1{font-size:clamp(2.4rem,6vw,4.6rem);line-height:1.05;margin-top:24px;max-width:820px}
h2{font-size:clamp(1.8rem,3.5vw,2.5rem);line-height:1.15}
h3,.h3{font-size:1.25rem;margin-top:18px}
.lead{font-size:1.15rem;color:var(--muted);max-width:600px;margin-top:22px}
.center .lead{margin-left:auto;margin-right:auto}
.center h1{margin-left:auto;margin-right:auto}
.center .btn{margin-top:32px}
/* sections */
.band{border-top:1px solid rgba(38,50,58,.6);padding:96px 0}
.band.alt{background:rgba(24,32,38,.35)}
.eyebrow{color:var(--teal);text-transform:uppercase;letter-spacing:.15em;font-size:13px;font-weight:600;margin-bottom:12px}
.grid4,.grid2,.grid3{display:grid;gap:20px;margin-top:44px}
.grid4{grid-template-columns:repeat(4,1fr)}
.grid3{grid-template-columns:repeat(3,1fr)}
.grid2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;transition:transform .3s,border-color .3s}
.card p{color:var(--muted);font-size:15px;margin-top:10px}
.card:hover{transform:translateY(-4px);border-color:rgba(76,179,183,.4)}
.card.accent{position:relative;overflow:hidden}
.card.accent::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--deep),var(--teal),var(--teal2))}
.card.big{padding:36px}
.card ul{list-style:none;margin-top:20px;display:grid;gap:10px;font-size:15px}
.card li{color:var(--fg)}
.ico{font-size:30px;color:var(--teal)}
.num{font:700 1.6rem "Space Grotesk";color:rgba(76,179,183,.45)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stats strong,.stat{display:block;font-size:clamp(2.2rem,4vw,3rem);font-weight:700}
.stats span{color:var(--muted);font-size:14px}
/* faq */
.faq{margin-top:40px;display:grid;gap:12px}
details{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:20px}
summary{list-style:none;cursor:pointer;font-weight:500;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary span{color:var(--teal);font-size:22px;line-height:1;transition:transform .3s}
details[open] summary span{transform:rotate(45deg)}
details p{color:var(--muted);margin-top:12px;font-size:15px}
/* portfolio */
.filters{display:flex;flex-wrap:wrap;gap:10px}
.filters button{background:transparent;border:1px solid var(--line);color:var(--muted);padding:8px 18px;border-radius:999px;cursor:pointer;font:inherit;font-size:14px;transition:.2s}
.filters button.on,.filters button:hover{border-color:var(--teal);color:var(--teal)}
.proj{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.3s}
.proj:hover{transform:translateY(-4px);border-color:rgba(76,179,183,.4)}
.proj.hide{display:none}
.thumb{aspect-ratio:16/10;display:flex;align-items:center;justify-content:center}
.thumb span{font:700 1.5rem "Space Grotesk";color:rgba(17,22,26,.85)}
.pbody{padding:24px}
.pbody h3{margin-top:10px}
.pbody p{color:var(--muted);font-size:15px;margin-top:8px}
.tag{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--teal);font-weight:600}
blockquote{font-size:1.05rem;line-height:1.7}
figcaption{margin-top:20px;display:grid;font-size:14px}
figcaption span{color:var(--muted)}
/* about */
.prose{margin-top:24px;display:grid;gap:18px;color:var(--muted);font-size:1.08rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .muted{margin:18px 0 28px}
.split .grid2{margin-top:0}
/* contact */
.contact{display:grid;grid-template-columns:1fr 1.4fr;gap:40px}
.info{list-style:none;display:grid;gap:18px;margin-bottom:32px}
.info span{display:block;color:var(--muted);font-size:14px}
.info a,.info b{font-size:1.1rem;font-weight:500}
.info a:hover{color:var(--teal)}
.formcard{padding:36px}
.formcard:hover{transform:none}
[hidden]{display:none !important}
form{display:grid;gap:20px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
label{display:grid;gap:8px;font-size:14px;font-weight:500}
input,select,textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:13px 16px;color:var(--fg);font:inherit;font-size:15px;transition:.2s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(76,179,183,.2)}
textarea{resize:vertical}
.hp{display:none}
.formmsg{text-align:center;font-size:14px;color:var(--muted);min-height:20px}
.formmsg.err{color:#f08a8a}
.success{text-align:center;padding:50px 0}
.success h2{font-size:1.6rem;margin:24px 0 10px}
.success .btn{margin-top:28px}
.check{width:64px;height:64px;margin:auto;border-radius:50%;background:rgba(76,179,183,.15);color:var(--teal);font-size:30px;display:flex;align-items:center;justify-content:center}
/* footer */
.foot{border-top:1px solid var(--line);padding:64px 0 28px}
.foot-in{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.foot p{margin-top:16px;font-size:14px;max-width:340px}
.foot h4{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:16px}
.foot-in a:not(.brand):not(.soc){display:block;color:var(--muted);font-size:14px;margin-bottom:10px;transition:color .2s}
.foot-in a:hover{color:var(--teal)}
.soc{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:6px;padding:4px 12px;font-size:12px;color:var(--muted);margin-right:8px;transition:all .2s}
.soc:hover{border-color:var(--teal);color:var(--teal)}
.socs{display:flex;gap:8px;margin-top:14px}
.copy{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
/* responsive */
@media(max-width:960px){.grid4{grid-template-columns:repeat(2,1fr)}.grid3{grid-template-columns:repeat(2,1fr)}.split,.contact{grid-template-columns:1fr}}
@media(max-width:760px){
.burger{display:block}
.links{position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:12px 24px 24px;transform:translateY(-120%);transition:transform .3s;z-index:-1}
.links.open{transform:none}
.links a{padding:12px 0;width:100%}
.links a.btn{width:auto;margin-top:10px;padding:10px 20px}
.burger.x span:nth-child(1){transform:translateY(7px) rotate(45deg)}.burger.x span:nth-child(2){opacity:0}.burger.x span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.grid4,.grid3,.grid2,.row,.foot-in{grid-template-columns:1fr}
.stats{grid-template-columns:repeat(2,1fr)}
.band{padding:72px 0}}