:root{--bg:#070a10;--frost:#cfe4ff;--border:rgba(190,220,255,.14);--text:#f2f3f5;--muted:#8c909b;--accent:#4f8cf0;--ok:#54c27f;--max:1040px;--ease:cubic-bezier(.2,.7,.2,1);--wordmark:"Plus Jakarta Sans","Sora",-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 "Sora",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;text-align:center}
a{color:inherit;text-decoration:none}img{display:block}
.skip{position:absolute;left:-999px;top:8px;background:var(--text);color:var(--bg);padding:8px 12px;border-radius:8px}.skip:focus{left:8px;z-index:30}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:10px}
.ico{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.ico.sm{width:16px;height:16px}
/* ---- ambient background: slow aurora, light beam, faint stars, film grain ---- */
.ambient{position:fixed;inset:0;z-index:-1;overflow:hidden;background:radial-gradient(120% 80% at 50% 0%,#0d1524,var(--bg) 70%)}
.ambient i{position:absolute;display:block;pointer-events:none}
.beam{left:50%;top:-30vh;width:90vmax;height:90vmax;translate:-50% 0;background:conic-gradient(from 180deg at 50% 0%,transparent 40%,rgba(79,140,240,.10) 49%,rgba(140,180,255,.14) 50%,rgba(79,140,240,.10) 51%,transparent 60%);filter:blur(30px);-webkit-mask-image:linear-gradient(#000,transparent 75%);mask-image:linear-gradient(#000,transparent 75%);animation:sway 18s ease-in-out infinite alternate}
.orb{border-radius:50%;filter:blur(110px);will-change:transform;animation:float 26s ease-in-out infinite alternate}
.o1{width:50vmax;height:50vmax;left:-18vmax;top:10vh;background:rgba(60,120,210,.26)}.o2{width:42vmax;height:42vmax;right:-16vmax;top:-8vh;background:rgba(110,170,235,.14);animation-duration:34s}.o3{width:40vmax;height:40vmax;left:25vw;bottom:-22vmax;background:rgba(90,160,230,.14);animation-duration:40s}
.stars{inset:0;opacity:.5;background-image:radial-gradient(1px 1px at 20px 30px,#fff,transparent),radial-gradient(1px 1px at 120px 90px,#cfe0ff,transparent),radial-gradient(1.2px 1.2px at 220px 40px,#fff,transparent),radial-gradient(1px 1px at 300px 150px,#cfe0ff,transparent);background-size:340px 200px;-webkit-mask-image:radial-gradient(80% 70% at 50% 20%,#000,transparent);mask-image:radial-gradient(80% 70% at 50% 20%,#000,transparent);animation:twinkle 8s ease-in-out infinite alternate}
.grain{inset:0;opacity:.05;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E")}
@keyframes float{to{translate:7vw 6vh;scale:1.12}}@keyframes sway{from{rotate:-4deg}to{rotate:4deg}}@keyframes twinkle{from{opacity:.25}to{opacity:.6}}
/* ---- 3D glass ---- */
.glass{position:relative;background:linear-gradient(145deg,rgba(190,220,255,.11),rgba(150,190,240,.03) 55%,rgba(190,220,255,.05));border:1px solid var(--border);-webkit-backdrop-filter:blur(20px) saturate(140%);backdrop-filter:blur(20px) saturate(140%);box-shadow:inset 0 1px 0 rgba(225,240,255,.34),inset 0 -1px 0 rgba(0,0,0,.35),inset 0 0 22px rgba(255,255,255,.025),0 24px 50px -18px rgba(0,0,0,.7),0 2px 6px rgba(0,0,0,.4)}
.glass::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(420px circle at var(--mx,30%) var(--my,0%),rgba(255,255,255,.10),transparent 60%),linear-gradient(115deg,transparent 35%,rgba(255,255,255,.05) 45%,transparent 55%);opacity:.9}
.tilt{transform-style:preserve-3d;transition:transform .5s var(--ease),opacity .8s var(--ease),border-color .3s}.tilt:hover{border-color:rgba(120,160,255,.35)}
/* ---- nav ---- */
.navwrap{position:fixed;top:16px;left:0;right:0;z-index:10;display:flex;justify-content:center;padding:0 16px}
.nav{display:flex;align-items:center;gap:6px;padding:6px;border-radius:999px;transition:background .3s}.nav a{padding:8px 16px;border-radius:999px;font-size:14px;color:var(--muted);transition:color .2s,background .2s}.nav a:hover{color:var(--text);background:rgba(255,255,255,.07)}
.nav .brand{color:var(--text);padding:6px 16px 6px 8px;gap:8px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--wordmark);font-weight:500;letter-spacing:.18em;font-size:13px}
.progress{position:fixed;top:0;left:0;height:2px;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:left;z-index:20}
/* ---- layout ---- */
main,.footer{max-width:var(--max);margin:0 auto;padding:0 24px}
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:110px 0 80px}
.mark{margin-bottom:30px;animation:fade 1s ease both;filter:drop-shadow(0 6px 24px rgba(110,170,255,.35))}
h1{margin:0;font-family:var(--wordmark);font-size:clamp(50px,13vw,128px);line-height:1;font-weight:500;letter-spacing:.01em;will-change:transform,opacity;background:linear-gradient(180deg,#fff 30%,#a9cbff);-webkit-background-clip:text;background-clip:text;color:transparent}
h1 .ch{display:inline-block;color:transparent;background:inherit;-webkit-background-clip:text;background-clip:text;opacity:0;transform:translateY(40px);filter:blur(8px);animation:rise 1s var(--ease) forwards;animation-delay:calc(var(--i)*90ms + 200ms)}
@keyframes rise{to{opacity:1;transform:none;filter:none}}@keyframes fade{from{opacity:0;transform:translateY(10px)}}
.tag{margin:24px 0 38px;color:var(--muted);font-size:clamp(13px,2vw,17px);letter-spacing:.16em;padding-left:.16em;text-transform:uppercase;animation:fade 1s ease .9s both}
.btn{display:inline-flex;gap:10px;align-items:center;padding:14px 26px;border-radius:999px;color:#fff;font-weight:500;font-size:15px;background:linear-gradient(180deg,rgba(170,205,255,.50),rgba(70,125,225,.55));border:1px solid rgba(200,225,255,.5);box-shadow:inset 0 1px 0 rgba(255,255,255,.4),inset 0 -8px 16px rgba(20,50,130,.35),0 10px 30px -10px rgba(60,110,230,.7);transition:transform .25s var(--ease),box-shadow .25s,filter .25s}
.btn:hover{transform:translateY(-2px);filter:brightness(1.12)}.btn .ico{transition:transform .25s}.btn:hover .ico{transform:translateX(3px)}
.hero .btn{animation:fade 1s ease 1.1s both}
.float{position:absolute;width:62px;height:62px;border-radius:20px;display:grid;place-items:center;color:#bcd2ff;animation:bob 7s ease-in-out infinite alternate;transition:translate .4s var(--ease)}
.f1{left:12%;top:26%}.f2{right:13%;top:34%;animation-delay:-2s}.f3{left:20%;bottom:20%;animation-delay:-4s;width:54px;height:54px}
@keyframes bob{to{margin-top:-14px}}
.section{padding:clamp(56px,9vw,100px) 0}
.label{margin:0 0 36px;font-size:12px;font-weight:600;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);padding-left:.3em}
.label::before,.label::after{content:"";display:inline-block;width:clamp(28px,8vw,80px);height:1px;vertical-align:middle;margin:0 16px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.25));transform:scaleX(0);transition:transform 1.2s var(--ease) .2s}.label::after{transform-origin:left;background:linear-gradient(270deg,transparent,rgba(255,255,255,.25))}.label::before{transform-origin:right}.label.in::before,.label.in::after{transform:none}
.feature{max-width:760px;margin:0 auto;padding:clamp(32px,6vw,60px);border-radius:28px;display:flex;flex-direction:column;align-items:center}
.feature h3{margin:20px 0 12px;font-size:clamp(28px,4.5vw,42px);font-weight:600;line-height:1.15}.feature p{margin:0 0 24px;color:var(--muted);max-width:46ch}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:0 0 32px;padding:0}.chips li{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;font-size:13px;color:#c9d6f2;background:rgba(255,255,255,.05);border:1px solid var(--border)}
.badge{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;color:#bcd2ff;margin:16px 0 0;background:linear-gradient(145deg,rgba(120,170,255,.22),rgba(255,255,255,.04));border:1px solid rgba(160,195,255,.25);box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 8px 20px -8px rgba(60,110,230,.5)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:760px;margin:20px auto 0}
.card{padding:30px 24px;border-radius:24px;display:flex;flex-direction:column;align-items:center}.card .badge{margin:0 0 16px}.card h3{margin:14px 0 6px;font-size:21px;font-weight:600}.card p{margin:0;color:var(--muted);font-size:15px}
.pill{display:inline-block;padding:3px 12px;border:1px solid var(--border);border-radius:999px;font-size:12px;color:var(--muted)}.pill.ok{color:var(--ok);border-color:rgba(84,194,127,.35)}.pill.dev{color:var(--accent);border-color:rgba(79,140,240,.35)}
.lead{max-width:56ch;margin:0 auto;font-size:clamp(19px,2.6vw,25px);line-height:1.6;font-weight:300}
.footer{padding-top:60px;padding-bottom:44px;display:flex;flex-direction:column;align-items:center;border-top:1px solid var(--border)}
.footer p{margin:10px 0 0}.foot-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 28px;margin-top:24px}.foot-links a{display:inline-flex;gap:8px;align-items:center;font-size:14px;color:#c4c8d2;transition:color .2s}.foot-links a:hover{color:var(--accent)}
.muted{color:var(--muted)}.copy{margin-top:44px!important;font-size:13px}
.reveal{opacity:0;transform:translateY(36px) scale(.985);transition:opacity .8s var(--ease),transform .8s var(--ease)}.reveal.in{opacity:1;transform:none}.reveal.up:not(.in){transform:translateY(-24px)}
@media(max-width:760px){.grid{grid-template-columns:1fr}.float{display:none}.nav a{padding:8px 11px;font-size:13px}.nav .brand span{display:none}.tag{letter-spacing:.2em}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before{animation:none!important}.reveal,h1 .ch{opacity:1;transform:none;filter:none;transition:none}.label::before,.label::after{transform:none;transition:none}}

.win{width:100%;max-width:560px;margin:4px 0 26px;border-radius:14px;overflow:hidden;border:1px solid var(--border);background:rgba(7,10,16,.65);box-shadow:0 20px 40px -20px #000}
.win-bar{display:flex;align-items:center;gap:6px;padding:9px 12px;border-bottom:1px solid var(--border);font-size:11px;color:var(--muted)}.win-bar i{width:8px;height:8px;border-radius:50%;background:rgba(190,220,255,.25)}.win-bar span{margin:0 auto;transform:translateX(-18px)}
.win-body{display:grid;grid-template-columns:34px 1fr 90px;height:170px}
.win-tools,.win-layers{display:flex;flex-direction:column;gap:8px;padding:10px 8px}.win-tools{border-right:1px solid var(--border)}.win-layers{border-left:1px solid var(--border)}
.win-tools b{height:16px;border-radius:5px;background:rgba(190,220,255,.14)}.win-tools b:first-child{background:rgba(79,140,240,.6)}.win-layers b{height:20px;border-radius:6px;background:rgba(190,220,255,.09)}.win-layers b:nth-child(2){background:rgba(79,140,240,.28)}
.win-canvas{position:relative;margin:12px;border-radius:6px;background:repeating-conic-gradient(rgba(190,220,255,.04) 0 25%,transparent 0 50%) 0 0/16px 16px}
.win-canvas span{position:absolute;border-radius:5px;border:1px solid rgba(190,220,255,.25);background:rgba(190,220,255,.07)}.s1{left:4%;top:8%;width:42%;height:38%}.s2{right:4%;top:8%;width:46%;height:38%}.s3{left:4%;bottom:8%;width:30%;height:38%}.s4{right:4%;bottom:8%;width:58%;height:38%;border-color:rgba(79,140,240,.7)!important;background:rgba(79,140,240,.18)!important}

.nav .logo-full{padding:6px 16px 6px 12px}.logo-full img{height:26px;width:auto;display:block}
@media(max-width:760px){.tag{letter-spacing:.1em}}