:root{
  --bg:#0b1222;
  --bg2:#0f1a33;
  --surface:rgba(18,30,56,.72);
  --surface-solid:#121e38;
  --line:rgba(148,197,255,.14);
  --line-strong:rgba(148,197,255,.28);
  --text:#eef3fb;
  --muted:#a8b8cf;
  --sky:#7dd3fc;
  --sky2:#38bdf8;
  --teal:#146d8e;
  --ok:#5eead4;
  --radius:18px;
  --wrap:1160px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font:400 17px/1.6 "Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--sky)}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.1}
p{margin:0}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:8px;z-index:50;padding:10px 14px;border-radius:10px;background:var(--sky);color:var(--bg);font-weight:700}
.skip:focus{left:12px}
:focus-visible{outline:3px solid var(--sky);outline-offset:3px;border-radius:8px}

/* Background: drifting light and a fading grid */
.sky{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none;background:radial-gradient(1200px 700px at 70% -10%,#13284d 0%,transparent 60%),linear-gradient(180deg,var(--bg) 0%,#0a1020 100%)}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;will-change:transform}
.orb-a{width:520px;height:520px;left:-140px;top:-120px;background:radial-gradient(circle,#146d8e 0%,transparent 70%);animation:drift-a 22s var(--ease) infinite alternate}
.orb-b{width:460px;height:460px;right:-120px;top:120px;background:radial-gradient(circle,#2563eb 0%,transparent 70%);opacity:.35;animation:drift-b 26s var(--ease) infinite alternate}
.orb-c{width:420px;height:420px;left:35%;top:70vh;background:radial-gradient(circle,#38bdf8 0%,transparent 70%);opacity:.18;animation:drift-a 30s var(--ease) infinite alternate-reverse}
.grid{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;opacity:.35;-webkit-mask-image:radial-gradient(900px 520px at 50% 0%,#000 0%,transparent 75%);mask-image:radial-gradient(900px 520px at 50% 0%,#000 0%,transparent 75%)}
@keyframes drift-a{to{transform:translate3d(120px,80px,0) scale(1.1)}}
@keyframes drift-b{to{transform:translate3d(-100px,60px,0) scale(.92)}}

/* Header */
.top{position:sticky;top:0;z-index:20;backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px);background:rgba(11,18,34,.6);border-bottom:1px solid transparent;transition:border-color .3s}
.top.scrolled{border-bottom-color:var(--line)}
.top-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700;font-size:19px;letter-spacing:-.01em;min-height:44px}
.mark{width:34px;height:34px;border-radius:9px;box-shadow:0 0 0 1px var(--line-strong),0 8px 24px rgba(56,189,248,.18)}
.pill{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;min-height:40px;border-radius:999px;border:1px solid var(--line-strong);background:rgba(125,211,252,.08);color:var(--text);font-size:14px;font-weight:700;text-decoration:none;transition:background .25s,border-color .25s}
.pill:hover{background:rgba(125,211,252,.16);border-color:var(--sky)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(94,234,212,.7);animation:ping 2s ease-out infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(94,234,212,.6)}80%,100%{box-shadow:0 0 0 10px rgba(94,234,212,0)}}

/* Hero */
.hero{padding:56px 0 80px;min-height:calc(100vh - 68px);min-height:calc(100svh - 68px);display:flex;align-items:center}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--sky);margin-bottom:18px}
.hero h1{font-size:clamp(40px,6.2vw,74px);letter-spacing:-.035em;line-height:1.02}
.grad{background:linear-gradient(100deg,#7dd3fc 0%,#38bdf8 40%,#a5f3fc 70%,#7dd3fc 100%);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:sheen 6s linear infinite}
@keyframes sheen{to{background-position:-220% 0}}
.lead{margin-top:22px;font-size:clamp(17px,1.6vw,20px);color:var(--muted);max-width:34em}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 24px;border-radius:14px;font:700 16px/1 "Inter",system-ui,sans-serif;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:transform .2s var(--ease),box-shadow .2s,background .2s,border-color .2s}
.btn-primary{background:linear-gradient(180deg,#9be0fd,#7dd3fc);color:#06243a;box-shadow:0 10px 30px rgba(56,189,248,.28),inset 0 1px 0 rgba(255,255,255,.5)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(56,189,248,.36),inset 0 1px 0 rgba(255,255,255,.5)}
.btn-ghost{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--sky);background:rgba(125,211,252,.08)}

/* Hero card */
.hero-art{position:relative}
.hero-art::before{content:"";position:absolute;inset:8% 4%;background:radial-gradient(closest-side,rgba(56,189,248,.35),transparent);filter:blur(40px);z-index:-1}
.card{background:var(--surface);border:1px solid var(--line-strong);border-radius:22px;box-shadow:0 30px 80px rgba(2,8,23,.55),inset 0 1px 0 rgba(255,255,255,.06);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.search-card{padding:22px;animation:float 7s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-10px)}}
.card-bar{display:flex;align-items:center;gap:6px;margin-bottom:18px}
.card-bar span{width:10px;height:10px;border-radius:50%;background:rgba(148,197,255,.25)}
.card-bar em{margin-left:auto;font-style:normal;font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:2px 10px}
.card-label{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:4px 0 10px}
.search{display:flex;align-items:center;gap:10px;height:56px;padding:0 16px;border-radius:14px;background:rgba(6,12,26,.7);border:1px solid var(--line-strong);font-size:19px;font-weight:700;letter-spacing:-.01em;overflow:hidden;white-space:nowrap}
.ico{width:20px;height:20px;flex:none;fill:none;stroke:var(--sky);stroke-width:2;stroke-linecap:round}
.caret{width:2px;height:24px;margin-left:-6px;background:var(--sky);animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.result{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:12px 0 20px;padding:14px 16px;border-radius:14px;border:1px solid rgba(94,234,212,.35);background:linear-gradient(90deg,rgba(94,234,212,.12),rgba(94,234,212,.03));transition:opacity .4s var(--ease),transform .4s var(--ease)}
.result.off{opacity:0;transform:translateY(-6px)}
.result-name{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.badge{flex:none;font-size:13px;font-weight:700;color:#052e2b;background:var(--ok);border-radius:999px;padding:4px 10px}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.steps li{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:12px;background:rgba(255,255,255,.03);border:1px solid var(--line);font-size:15px;transition:border-color .4s,background .4s}
.steps b{font-weight:700}
.steps i{margin-left:auto;font-style:normal;font-size:13px;color:var(--muted);opacity:0;transform:translateX(6px);transition:opacity .4s,transform .4s}
.tick{position:relative;width:22px;height:22px;flex:none;border-radius:50%;border:2px solid var(--line-strong);transition:background .35s,border-color .35s}
.tick::after{content:"";position:absolute;left:6px;top:2px;width:5px;height:10px;border:solid #052e2b;border-width:0 2.5px 2.5px 0;transform:rotate(45deg) scale(0);transition:transform .35s var(--ease)}
.steps li.done{border-color:rgba(94,234,212,.3);background:rgba(94,234,212,.06)}
.steps li.done .tick{background:var(--ok);border-color:var(--ok)}
.steps li.done .tick::after{transform:rotate(45deg) scale(1)}
.steps li.done i{opacity:1;transform:none;color:var(--ok)}

/* Sections */
section{position:relative}
.section-head{max-width:720px;margin:0 auto 48px;text-align:center}
h2{font-size:clamp(32px,4.4vw,52px);letter-spacing:-.03em}
.sub{margin-top:16px;font-size:clamp(17px,1.5vw,19px);color:var(--muted)}

.features{padding:96px 0}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature{position:relative;padding:28px 24px 30px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);overflow:hidden;transition:transform .35s var(--ease),border-color .35s,box-shadow .35s}
.feature::before{content:"";position:absolute;inset:0;background:radial-gradient(420px 200px at var(--mx,50%) -20%,rgba(125,211,252,.16),transparent 60%);opacity:0;transition:opacity .35s}
.feature:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 24px 60px rgba(2,8,23,.5)}
.feature:hover::before{opacity:1}
.f-num{position:absolute;top:22px;right:22px;font-size:13px;font-weight:700;letter-spacing:.08em;color:rgba(168,184,207,.55)}
.f-ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:22px;background:linear-gradient(140deg,rgba(125,211,252,.22),rgba(20,109,142,.22));border:1px solid var(--line-strong)}
.f-ico svg{width:24px;height:24px;fill:none;stroke:var(--sky);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.feature h3{font-size:20px;letter-spacing:-.015em;margin-bottom:10px}
.feature p{color:var(--muted);font-size:16px}

/* Connected hub */
.connect{padding:72px 0 96px}
.connect-in{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.hub{position:relative;aspect-ratio:4/3;width:100%;max-width:600px;justify-self:center}
.hub-lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.ln{fill:none;stroke:var(--line-strong);stroke-width:1.5;vector-effect:non-scaling-stroke;stroke-dasharray:4 6}
.flow{fill:none;stroke:var(--sky);stroke-width:3;stroke-linecap:round;vector-effect:non-scaling-stroke;stroke-dasharray:10 90;stroke-dashoffset:100;animation:flow 2.8s linear infinite;filter:drop-shadow(0 0 6px rgba(125,211,252,.8))}
.flow.f2{animation-delay:.9s}
.flow.f3{animation-delay:1.8s}
@keyframes flow{to{stroke-dashoffset:0}}
.node{position:absolute;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:2px;padding:12px 18px;border-radius:14px;background:var(--surface-solid);border:1px solid var(--line-strong);box-shadow:0 14px 40px rgba(2,8,23,.5);white-space:nowrap;text-align:center}
.node b{font-size:16px}
.node small{font-size:13px;color:var(--muted)}
.n-top{left:50%;top:13%}
.n-left{left:15%;top:85%}
.n-right{left:85%;top:85%}
.core{left:50%;top:50%;padding:16px 22px;font-weight:700;font-size:18px;color:#06243a;background:linear-gradient(180deg,#a5e6fe,#7dd3fc);border:0;box-shadow:0 0 0 8px rgba(125,211,252,.1),0 20px 60px rgba(56,189,248,.35)}
.core-glow{position:absolute;inset:-10px;border-radius:20px;border:1px solid rgba(125,211,252,.5);animation:halo 2.8s ease-out infinite}
@keyframes halo{0%{opacity:.9;transform:scale(1)}100%{opacity:0;transform:scale(1.35)}}

/* Notify */
.notify{padding:48px 0 110px}
.notify-card{position:relative;max-width:820px;margin:0 auto;padding:56px 48px;text-align:center;border-radius:28px;background:linear-gradient(160deg,rgba(20,109,142,.35),rgba(15,26,51,.85) 55%);border:1px solid var(--line-strong);overflow:hidden;box-shadow:0 40px 100px rgba(2,8,23,.55)}
.notify-card::after{content:"";position:absolute;width:420px;height:420px;right:-160px;top:-200px;border-radius:50%;background:radial-gradient(circle,rgba(125,211,252,.3),transparent 70%);animation:drift-b 18s var(--ease) infinite alternate;pointer-events:none}
.pill-static{margin-bottom:22px}
.signup{position:relative;z-index:1;display:flex;gap:10px;max-width:520px;margin:32px auto 0}
.signup input[type=email]{flex:1;min-width:0;min-height:52px;padding:0 18px;border-radius:14px;border:1px solid var(--line-strong);background:rgba(6,12,26,.75);color:var(--text);font:400 17px "Inter",system-ui,sans-serif;transition:border-color .2s,box-shadow .2s}
.signup input[type=email]::placeholder{color:#7f90a8}
.signup input[type=email]:focus{outline:none;border-color:var(--sky);box-shadow:0 0 0 4px rgba(125,211,252,.18)}
.signup .btn{min-height:52px}
.signup .btn[disabled]{opacity:.7;cursor:progress}
.form-note{position:relative;z-index:1;margin-top:14px;font-size:14px;color:var(--muted)}
.form-note.ok{color:var(--ok);font-weight:700;font-size:16px}
.form-note.err{color:#fda4af}
.signup.sent{display:none}

/* Footer */
.foot{border-top:1px solid var(--line);padding:28px 0 8px;color:var(--muted);font-size:15px}
.foot-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
.foot a{color:var(--text);text-underline-offset:3px}
.foot a:hover{color:var(--sky)}
.lb-system-footer{color:var(--muted)}

/* Motion: hero rises on load, sections reveal on scroll */
.rise{animation:rise .9s var(--ease) both}
.r1{animation-delay:.05s}.r2{animation-delay:.15s}.r3{animation-delay:.3s}.r4{animation-delay:.45s}.r5{animation-delay:.35s}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.cards .reveal:nth-child(2){transition-delay:.08s}
.cards .reveal:nth-child(3){transition-delay:.16s}
.cards .reveal:nth-child(4){transition-delay:.24s}

/* Tablet */
@media (max-width:1020px){
  .hero{min-height:0}
  .hero-in,.connect-in{grid-template-columns:1fr}
  .hero{padding:48px 0 72px}
  .hero-art{max-width:520px;width:100%;justify-self:center}
  .cards{grid-template-columns:repeat(2,1fr)}
  .connect-copy{text-align:center;max-width:640px;margin:0 auto}
}
/* Phone */
@media (max-width:600px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .top-in{height:62px}
  .brand{font-size:18px}
  .pill{padding:6px 12px;font-size:13px}
  .hero{padding:36px 0 56px}
  .hero h1{font-size:40px}
  .actions .btn{flex:1 1 100%}
  .search-card{padding:16px}
  .search{height:52px;font-size:17px}
  .features{padding:56px 0}
  .section-head{margin-bottom:32px}
  .cards{grid-template-columns:1fr;gap:14px}
  .feature{padding:24px 20px}
  .connect{padding:40px 0 64px}
  .hub{aspect-ratio:1/1}
  .node{padding:10px 12px}
  .node b{font-size:15px}
  .core{font-size:15px;padding:13px 16px}
  .n-left{left:21%}
  .n-right{left:79%}
  .notify{padding:24px 0 72px}
  .notify-card{padding:40px 20px;border-radius:22px}
  .signup{flex-direction:column}
  .foot-in{flex-direction:column}
}

/* Reduced motion: everything still, nothing hidden */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
  .rise{opacity:1;transform:none}
  .flow{display:none}
  .caret{display:none}
}