:root{--c:#33c6ff;--c2:#0a8fd1;--bg:#000;--bg2:#0a0f14;--card:#10171f;--line:#1c2733;--t:#fff;--m:#9fb0bd}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{background:var(--bg);color:var(--t);font-family:'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;line-height:1.65;overflow-x:hidden}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.wrap{width:min(1120px,90%);margin:auto}
section{padding:80px 0}
h2{font-size:clamp(1.7rem,4vw,2.4rem);line-height:1.2;margin-bottom:10px}
h2 span,.hl{color:var(--c)}
.tag{display:inline-block;color:var(--c);letter-spacing:3px;font-size:.8rem;text-transform:uppercase;margin-bottom:10px}
.sub{color:var(--m);max-width:560px;margin-bottom:40px}
.btn{display:inline-block;padding:13px 30px;border-radius:40px;font-weight:700;background:linear-gradient(135deg,var(--c),var(--c2));color:#000;transition:.3s;border:2px solid transparent;cursor:pointer;font-size:1rem}
.btn:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(51,198,255,.35)}
.btn.ghost{background:none;color:var(--c);border-color:var(--c)}
/* header */
header{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(0,0,0,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem}
.brand img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.brand span{color:var(--c)}
nav ul{display:flex;gap:30px;list-style:none;align-items:center}
nav a{color:var(--m);transition:.2s}nav a:hover{color:var(--c)}
.burger{display:none;background:none;border:0;color:var(--t);font-size:1.8rem;cursor:pointer}
/* hero */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:110px;position:relative;overflow:hidden;background:radial-gradient(circle at 80% 30%,#06344b 0,transparent 55%),#000}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;border:26px solid transparent;border-bottom-color:var(--c);border-left-color:rgba(51,198,255,.45);left:-260px;bottom:-330px;width:640px;height:640px;opacity:.55;transform:rotate(15deg)}
.hero::after{border-width:14px;width:760px;height:760px;left:-320px;bottom:-400px;opacity:.3}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:clamp(2.2rem,5.5vw,3.8rem);line-height:1.1;margin:8px 0 18px}
.hero p{color:var(--m);max-width:520px;margin-bottom:30px}
.hero-img{display:grid;place-items:center}
.hero-img img{width:min(380px,80%);border-radius:50%;box-shadow:0 0 90px rgba(51,198,255,.35);animation:float 5s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-14px)}}
/* stats */
.stats{background:var(--bg2);border-block:1px solid var(--line);padding:34px 0}
.stats .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:20px;text-align:center}
.stats b{display:block;font-size:2rem;color:var(--c)}.stats small{color:var(--m)}
/* cards */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;transition:.3s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-6px);border-color:var(--c);box-shadow:0 14px 40px rgba(51,198,255,.12)}
.card .n{font-size:2.4rem;font-weight:800;color:rgba(51,198,255,.25);line-height:1}
.card h3{margin:10px 0 8px;color:var(--c)}.card p{color:var(--m);font-size:.95rem}
.alt{background:var(--bg2)}
.about{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about p{color:var(--m);margin-bottom:14px}
.ticks{list-style:none;display:grid;gap:12px}
.ticks li{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--c);padding:14px 18px;border-radius:10px}
/* cta */
.cta{background:linear-gradient(135deg,#052a3d,#0a6fa0);text-align:center;padding:60px 0}
.cta h2{margin-bottom:18px}
/* contact */
.two{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.ci{display:flex;gap:16px;margin-bottom:22px}
.ci i{flex:none;width:46px;height:46px;border-radius:50%;background:var(--c);color:#000;display:grid;place-items:center;font-style:normal;font-size:1.1rem}
.ci small{display:block;color:var(--m)}
form{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px}
input,textarea{width:100%;background:#0a1118;border:1px solid #243140;border-radius:10px;color:var(--t);padding:13px;margin-bottom:14px;font:inherit}
input:focus,textarea:focus{outline:0;border-color:var(--c)}
footer{border-top:1px solid var(--line);padding:26px 0;text-align:center;color:var(--m);font-size:.9rem}
.rv{opacity:0;transform:translateY(30px);transition:.7s}.rv.on{opacity:1;transform:none}
@media(max-width:800px){
.burger{display:block}
nav ul{position:absolute;top:68px;left:0;right:0;flex-direction:column;background:#000;padding:20px;gap:18px;border-bottom:1px solid var(--line);display:none}
nav ul.open{display:flex}
.hero .wrap,.about,.two{grid-template-columns:1fr}
.hero-img{order:-1}.hero-img img{width:200px}
.hero{padding-bottom:50px}section{padding:60px 0}}