:root{--bg:#020B14;--bg2:#031522;--bg3:#061B2B;--p:#00CFFF;--p2:#19E6FF;--s:#147BFF;--t:#fff;--t2:#EAF7FA;--m:#9CB4BD}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--t2);font:16px/1.65 Sora,system-ui,sans-serif}
a{color:var(--p2);text-decoration:none}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--p2);outline-offset:3px}
.w{max-width:1200px;margin:0 auto;padding:0 24px}.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;color:#000;padding:8px;z-index:99}
h1,h2,h3{color:var(--t);line-height:1.15;margin:0 0 .5em}h1{font-size:clamp(2.4rem,6vw,4.6rem);letter-spacing:-.02em}h2{font-size:clamp(1.6rem,3.5vw,2.5rem)}h3{font-size:1.1rem}
.ac{background:linear-gradient(90deg,var(--p2),var(--s));-webkit-background-clip:text;background-clip:text;color:transparent}.mu{color:var(--m)}.lead{color:var(--m);font-size:1.1rem;max-width:60ch}
.hd{position:sticky;top:0;z-index:20;background:rgba(2,11,20,.85);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,207,255,.12)}.hdi{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--t);font-weight:700;font-size:1.25rem}nav{display:flex;gap:28px;margin-left:auto}nav a{color:var(--t2);font-size:.95rem;padding:6px 0;border-bottom:2px solid transparent}nav a:hover,nav a[aria-current]{border-color:var(--p2);color:var(--t)}
.btn{display:inline-block;background:linear-gradient(135deg,var(--p2),var(--s));color:#021018;font-weight:600;padding:14px 28px;border-radius:999px;border:0;cursor:pointer;font:600 1rem Sora,sans-serif;transition:transform .2s,box-shadow .2s}.btn:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,207,255,.35)}.btn.sm{padding:9px 20px;font-size:.9rem}.btn.ghost{background:none;border:1px solid var(--p);color:var(--p2)}.row{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}.burger i{display:block;width:24px;height:2px;background:#fff;margin:5px 0}
.hero{background:radial-gradient(ellipse at 75% 20%,#073049,transparent 60%),var(--bg);padding:72px 0 40px;overflow:hidden}.hg{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:32px}
.hv{position:relative;display:grid;place-items:center;min-height:380px}.pc.big{filter:drop-shadow(0 0 40px rgba(0,207,255,.55));animation:fl 6s ease-in-out infinite}.ring{position:absolute;width:340px;height:340px;max-width:90%;border-radius:50%;border:1px solid rgba(25,230,255,.25);animation:pl 5s ease-out infinite}.r2{animation-delay:2.5s}
@keyframes fl{50%{transform:translateY(-14px)}}@keyframes pl{from{transform:scale(.7);opacity:.8}to{transform:scale(1.35);opacity:0}}
.feats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px}.feats div{padding:16px 18px;border:1px solid rgba(0,207,255,.18);border-radius:14px;background:rgba(6,27,43,.6);color:var(--t)}
.sec{padding:72px 0}.sec:nth-of-type(even){background:var(--bg2)}.narrow .w{max-width:760px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:32px}
.card{background:linear-gradient(160deg,var(--bg3),var(--bg2));border:1px solid rgba(0,207,255,.14);border-radius:18px;padding:26px;transition:border-color .2s,transform .2s}.card:hover{border-color:var(--p);transform:translateY(-3px)}.card p{margin:0 0 12px;color:var(--m)}.more{font-weight:600}
.ph{padding:72px 0 24px;background:radial-gradient(ellipse at 80% 0,#073049,transparent 60%)}.ph h1{font-size:clamp(2rem,5vw,3.4rem)}.cta{text-align:center;padding:48px 24px;border:1px solid rgba(0,207,255,.25);border-radius:24px;background:radial-gradient(circle at 50% 0,#073049,var(--bg3))}
.cg{display:grid;grid-template-columns:1fr 1.4fr;gap:24px}.frm{display:grid;gap:16px}.fld label{display:block;font-size:.9rem;margin-bottom:6px;color:var(--t)}input,textarea{width:100%;background:var(--bg3);border:1px solid rgba(0,207,255,.25);border-radius:10px;padding:12px 14px;color:var(--t);font:inherit}input.bad,textarea.bad{border-color:#ff7a7a}.err{color:#ff9a9a;display:block;min-height:1em}.ok{color:var(--p2)}.hp{position:absolute;left:-9999px}
.prose{max-width:760px}.prose h2{font-size:1.3rem;margin-top:1.6em}.prose p{color:var(--m)}
.ft{background:#01070d;border-top:1px solid rgba(0,207,255,.12);padding-top:48px}.fg{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px}.fg h3{font-size:.95rem}.fg a,.fg span{display:block;margin-bottom:8px;color:var(--m);font-size:.92rem}.fg a:hover{color:var(--p2)}.cp{padding:24px;margin-top:24px;border-top:1px solid rgba(255,255,255,.06);color:var(--m);font-size:.85rem}
#intro{position:fixed;inset:0;z-index:100;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;transition:opacity .7s}#intro.off{opacity:0;pointer-events:none}
#intro .pc{filter:drop-shadow(0 0 30px rgba(0,207,255,.6));animation:sp 1.6s cubic-bezier(.6,0,.2,1) both}.nm{text-align:center;opacity:0;animation:fi .9s 1.5s forwards;padding:0 16px}.nm strong{display:block;font-size:clamp(2rem,7vw,3.2rem);color:var(--t)}.nm span{color:var(--p2);letter-spacing:.08em}
@keyframes sp{from{transform:rotate(-360deg) scale(.6);opacity:0}to{transform:none;opacity:1}}@keyframes fi{to{opacity:1}}
.rv{opacity:0;transform:translateY(18px);transition:.6s}.rv.in{opacity:1;transform:none}
@media(max-width:900px){.hg,.cg{grid-template-columns:1fr}.feats{grid-template-columns:1fr 1fr}.fg{grid-template-columns:1fr 1fr}.hv{min-height:260px;order:-1}.pc.big{width:200px;height:200px}}
@media(max-width:820px){.burger{display:block;margin-left:auto}.btn.sm{display:none}nav{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg);padding:12px 24px;border-bottom:1px solid rgba(0,207,255,.2)}nav.open{display:flex}nav a{padding:14px 0}}
@media(max-width:480px){.feats,.fg{grid-template-columns:1fr}.sec{padding:48px 0}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.nm{opacity:1}.rv{opacity:1;transform:none}}

.brand{gap:0;font-size:1.7rem;letter-spacing:-.01em}.brand .pc{width:44px;height:44px;flex:none;filter:drop-shadow(0 0 10px rgba(0,207,255,.5));animation:tick 7s cubic-bezier(.6,0,.2,1) infinite}.brand span{margin-left:-11px}
@keyframes tick{0%,78%{transform:rotate(0)}100%{transform:rotate(360deg)}}
#intro .lg{display:flex;align-items:center}#intro .on{font-size:clamp(2.2rem,9vw,4rem);font-weight:700;color:#fff;margin-left:-.28em;opacity:0;animation:rw 1s 1.5s cubic-bezier(.2,.8,.2,1) forwards}
@keyframes rw{from{opacity:0;clip-path:inset(0 100% 0 0);transform:translateX(-24px)}to{opacity:1;clip-path:inset(0);transform:none}}
@media(max-width:480px){.brand{font-size:1.4rem}.brand .pc{width:38px;height:38px}}
@media(prefers-reduced-motion:reduce){#intro .on{opacity:1}}