:root{--bg:#e8f4ff;--bg-soft:#f1f8ff;--surface:#fff;--blue:#1b7eff;--blue-deep:#1746c4;--blue-soft:#5c92ff;--cyan:#b3f8ff;--ink:#0c1726;--muted:#4d6076;--muted-2:#74879b;--line:#0c17261a;--radius:22px;--radius-sm:14px;--shadow-sm:0 1px 2px #0c17260f,0 4px 14px #1450b40f;--shadow:0 12px 30px -12px #1446a038,0 4px 10px #0c17260d;--shadow-lg:0 40px 80px -28px #0d378c66,0 10px 24px #0c172614;--maxw:1180px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;font-family:Nunito,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}h1,h2,h3,.display{letter-spacing:-.01em;font-family:Fredoka,sans-serif;font-weight:600;line-height:1.02}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}::selection{background:var(--blue);color:#fff}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}.eyebrow{letter-spacing:.14em;text-transform:uppercase;color:var(--blue);display:inline-flex;align-items: center;gap:9px;font-size:.78rem;font-weight:800}.eyebrow:before{content:"";background:var(--blue);border-radius:2px;width:22px;height:2px}.btn{display:inline-flex;cursor:pointer;white-space:nowrap;border:1.5px solid #0000;border-radius:999px;align-items: center;gap:10px;padding:14px 24px;transition:transform .18s,box-shadow .25s,background .2s,border-color .2s;font-family:Fredoka,sans-serif;font-size:1.02rem;font-weight:500}.btn svg{flex:none;width:19px;height:19px}.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px -6px #1b7eff8c}.btn-primary:hover{background:#0f6ff2;transform:translateY(-2px);box-shadow:0 14px 28px -8px #1b7effa6}.btn-ghost{color:var(--ink);border-color:var(--line);background:#ffffffb3}.btn-ghost:hover{box-shadow:var(--shadow-sm);background:#fff;border-color:#1b7eff66;transform:translateY(-2px)}.btn-lg{padding:17px 30px;font-size:1.12rem}header{position:sticky;z-index:50;backdrop-filter:saturate(160%)blur(16px);-webkit-backdrop-filter:saturate(160%)blur(16px);background:#e8f4ffb8;border-bottom:1px solid #0000;transition:border-color .3s,background .3s;top:0}header.scrolled{border-bottom-color:var(--line);background:#eef7ffd1}.nav{display:flex;justify-content:space-between;align-items: center;height:70px}.brand{display:flex;align-items: center;gap:11px;font-family:Fredoka,sans-serif;font-size:1.3rem;font-weight:600}.brand .mark{background:linear-gradient(150deg,var(--cyan),var(--blue-soft));display:grid;overflow:hidden;border-radius:11px;flex:none;place-items: center;width:38px;height:38px;box-shadow:inset 0 1px 1px #fff9,0 3px 8px #1b7eff4d}.brand .mark img{width:30px;transform:rotate(-8deg)translateY(1px)}.nav-links{display:flex;align-items: center;gap:34px}.nav-links a.link{color:var(--muted);transition:color .2s;font-size:.97rem;font-weight:700}.nav-links a.link:hover{color:var(--ink)}.nav-cta{display:flex;align-items: center;gap:14px}.ico-link{display:inline-flex;color:var(--ink);border-radius:50%;justify-content:center;align-items: center;width:42px;height:42px;transition:background .2s,transform .2s}.ico-link:hover{background:#0c17260f;transform:translateY(-1px)}.ico-link svg{width:21px;height:21px}.nav-toggle{display:none}.hero{position:relative;overflow:hidden;padding:84px 0 70px}.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;align-items: center;gap:30px}.hero h1{font-size:clamp(2.9rem,6.4vw,5.4rem);font-weight:600;line-height:.98}.hero h1 .hl{color:var(--blue)}.hero h1 .tube{display:inline-block;vertical-align:-.16em;filter:drop-shadow(0 8px 14px #1b5ac847);animation:float 5.5s ease-in-out infinite;height:.82em;margin-left:.12em}@keyframes float{0%,to{transform:translateY(0)rotate(-3deg)}50%{transform:translateY(-9px)rotate(2deg)}}.hero .sub{color:var(--muted);max-width:30ch;margin-top:24px;font-size:clamp(1.08rem,1.6vw,1.28rem);font-weight:500;line-height:1.5}.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}.meta-line{display:flex;color:var(--muted-2);flex-wrap:wrap;align-items: center;gap:16px;margin-top:24px;font-size:.9rem;font-weight:700}.meta-line .dot{background:var(--muted-2);opacity:.6;border-radius:50%;width:4px;height:4px}.checks{display:flex;flex-direction:column;gap:14px;margin-top:38px}.check{display:flex;align-items: center;gap:13px;font-family:Fredoka,sans-serif;font-size:1.32rem;font-weight:500}.check .ck{border:2.4px solid var(--blue);display:grid;border-radius:50%;flex:none;place-items: center;width:30px;height:30px}.check .ck svg{color:var(--blue);width:15px;height:15px}.hero-visual{position:relative}.hero-visual img{filter:drop-shadow(0 40px 60px #0d378c52);animation:rise 1s cubic-bezier(.2,.7,.2,1)both;width:124%;max-width:none;margin-left:-6%}@keyframes rise{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}.hero-glow{position:absolute;filter:blur(10px);z-index:-1;background:radial-gradient(circle,#5c92ff73,#0000 62%);width:560px;height:560px;inset:-60px -120px auto auto}section{position:relative}.sec{padding:96px 0}.sec-head{max-width:660px;margin-bottom:54px}.sec-head.center{text-align:center;margin-left:auto;margin-right:auto}.sec-head h2{margin-top:16px;font-size:clamp(2rem,3.6vw,3.1rem)}.sec-head p{color:var(--muted);margin-top:18px;font-size:1.16rem;font-weight:500;line-height:1.55}.showcase{padding:34px 0 96px}.frame{overflow:hidden;box-shadow:var(--shadow-lg);position:relative;background:#0c1726;border:1px solid #ffffff80;border-radius:18px}.frame img{display:block;width:100%}.showcase-cap{display:flex;color:var(--muted);flex-wrap:wrap;justify-content:center;align-items: center;gap:12px;margin-top:26px;font-size:1.02rem;font-weight:600}kbd{border:1px solid var(--line);color:var(--ink);display:inline-flex;background:#fff;border-bottom-width:2.5px;border-radius:8px;justify-content:center;align-items: center;min-width:1.6em;padding:3px 9px;font-family:Fredoka,sans-serif;font-size:.95em;font-weight:600;box-shadow:0 1px #0c17260a}.features{background:linear-gradient(180deg,var(--bg)0%,#fbfdff 16%,#fbfdff 100%)}.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feat{grid-column:span 1;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;transition:transform .25s,box-shadow .25s,border-color .25s}.feat.wide{grid-column:span 2}.feat:hover{box-shadow:var(--shadow);border-color:#1b7eff47;transform:translateY(-4px)}.feat .ic{display:grid;color:var(--blue);background:linear-gradient(150deg,#e8f1ff,#dbeaff);border-radius:14px;place-items: center;width:50px;height:50px;margin-bottom:20px}.feat .ic svg{width:25px;height:25px}.feat h3{margin-bottom:9px;font-size:1.28rem;font-weight:600}.feat p{color:var(--muted);font-size:1rem;font-weight:500;line-height:1.5}.feat .chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.chip{color:#fff;border-radius:999px;padding:5px 12px;font-family:Fredoka,sans-serif;font-size:.82rem;font-weight:500}.keys{background:var(--ink);color:#fff;overflow:hidden;position:relative;border-radius:32px}.keys:before{content:"";position:absolute;pointer-events:none;background:radial-gradient(640px 360px at 85% -10%,#5c92ff52,#0000 60%),radial-gradient(540px 300px at 0% 120%,#1b7eff38,#0000 60%);inset:0}.keys-inner{position:relative;padding:72px 60px}.keys .sec-head h2{color:#fff}.keys .sec-head p{color:#ffffffa8}.keys .eyebrow{color:var(--cyan)}.keys .eyebrow:before{background:var(--cyan)}.key-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}.key-row{display:flex;background:#ffffff0d;border:1px solid #ffffff17;border-radius:16px;align-items: center;gap:18px;padding:22px 24px}.key-combo{display:flex;flex:none;align-items: center;gap:6px}.key-row kbd{color:#fff;box-shadow:none;background:#ffffff1a;border:1px solid #ffffff2e;border-bottom-color:#0006;padding:6px 11px;font-size:1.05rem}.key-row .kd{color:#ffffffeb;font-size:1rem;font-weight:700;line-height:1.35}.key-row .kd small{display:block;color:#ffffff8c;margin-top:2px;font-size:.84rem;font-weight:600}.split{display:grid;grid-template-columns:1fr 1fr;align-items: center;gap:54px}.split.rev .split-text{order:2}.bullets{list-style:none;display:flex;flex-direction:column;gap:16px;margin-top:26px}.bullets li{display:flex;color:var(--ink);gap:13px;font-weight:600;line-height:1.45}.bullets li b{font-weight:800}.bullets li span.dotc{color:var(--blue);display:grid;background:#e2efff;border-radius:50%;flex:none;place-items: center;width:24px;height:24px;margin-top:1px}.bullets li span.dotc svg{width:13px;height:13px}.bullets li .txt{color:var(--muted);font-weight:500}.bullets li .txt b{color:var(--ink);font-weight:800}.shot{overflow:hidden;box-shadow:var(--shadow-lg);background:#0c1726;border:1px solid #fff9;border-radius:18px}.shot img{width:100%}.install{background:linear-gradient(180deg,#fbfdff,var(--bg))}.inst-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.inst-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:34px}.inst-card .tag{display:inline-flex;align-items: center;gap:9px;margin-bottom:8px;font-family:Fredoka,sans-serif;font-size:1.18rem;font-weight:600}.inst-card .tag .n{background:var(--blue);color:#fff;display:grid;border-radius:9px;place-items: center;width:30px;height:30px;font-size:1rem}.inst-card p{color:var(--muted);margin-bottom:20px;font-weight:500;line-height:1.5}.code{background:var(--ink);color:#e7eefc;display:flex;overflow:hidden;border-radius:14px;justify-content:space-between;align-items: center;gap:14px;padding:16px 18px;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:.92rem}.code code{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.code .cp{cursor:pointer;color:#fff9;display:grid;border:1px solid #ffffff1f;border-radius:8px;flex:none;place-items: center;width:32px;height:32px;transition:all .2s}.code .cp:hover{color:#fff;background:#ffffff1a}.code .cp svg{width:16px;height:16px}.checksum{display:flex;background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;align-items: flex-start;gap:10px;margin-top:14px;padding:12px 14px}.checksum .lbl{letter-spacing:.04em;color:var(--blue-deep);background:#e2efff;border-radius:6px;flex:none;margin-top:1px;padding:4px 8px;font-family:Fredoka,sans-serif;font-size:.74rem;font-weight:600}.checksum code{color:var(--muted);word-break:break-all;flex:1;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:.78rem;line-height:1.55}.checksum .cp{cursor:pointer;color:var(--muted-2);display:grid;border:1px solid var(--line);background:#fff;border-radius:8px;flex:none;place-items: center;width:30px;height:30px;transition:all .2s}.checksum .cp:hover{color:var(--blue);border-color:#1b7eff66}.checksum .cp svg{width:15px;height:15px}.reqs{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:30px}.req{display:inline-flex;border:1px solid var(--line);color:var(--muted);background:#ffffffb3;border-radius:999px;align-items: center;gap:9px;padding:10px 18px;font-size:.92rem;font-weight:700}.req svg{color:var(--blue);width:17px;height:17px}.final{padding:30px 0 110px}.final-card{position:relative;overflow:hidden;text-align:center;background:linear-gradient(150deg,var(--cyan)0%,var(--blue-soft)52%,var(--blue)100%);border-radius:34px;padding:78px 32px;box-shadow:0 40px 80px -30px #1b7eff99}.final-card:after{content:"";position:absolute;pointer-events:none;background:radial-gradient(600px 300px at 50% -30%,#ffffff80,#0000 60%);inset:0}.final-card .ftube{filter:drop-shadow(0 14px 22px #0d378c66);animation:float 5.5s ease-in-out infinite;width:120px;margin:0 auto 22px}.final-card h2{color:#fff;position:relative;font-size:clamp(2.1rem,4.4vw,3.4rem)}.final-card p{color:#ffffffeb;position:relative;max-width:34ch;margin:16px auto 34px;font-size:1.18rem;font-weight:600}.final-card .hero-cta{position:relative;justify-content:center}.final-card .btn-primary{color:var(--blue);background:#fff;box-shadow:0 12px 28px -8px #0d378c73}.final-card .btn-primary:hover{background:#fff;transform:translateY(-2px)}.final-card .btn-ghost{color:#fff;background:#ffffff29;border-color:#ffffff8c}.final-card .btn-ghost:hover{background:#ffffff47}footer{border-top:1px solid var(--line);padding:44px 0 56px}.foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items: center;gap:24px}.foot .brand{font-size:1.16rem}.foot .brand .mark{border-radius:10px;width:34px;height:34px}.foot .brand .mark img{width:27px}.foot-links{display:flex;color:var(--muted);align-items: center;gap:26px;font-size:.95rem;font-weight:700}.foot-links a:hover{color:var(--ink)}.foot-note{color:var(--muted-2);margin-top:18px;font-size:.9rem;font-weight:600}.reveal{opacity:0;transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1);transform:translateY(26px)}.reveal.in{opacity:1;transform:none}@media (max-width:980px){.hero-grid{grid-template-columns:1fr;gap:10px}.hero{padding:54px 0 40px}.hero .sub{max-width:46ch}.hero-visual{margin-top:18px}.hero-visual img{width:96%;max-width:560px;margin-left:0}.feat-grid{grid-template-columns:repeat(2,1fr)}.feat.wide{grid-column:span 2}.split{grid-template-columns:1fr;gap:34px}.split.rev .split-text{order:0}.key-grid{grid-template-columns:repeat(2,1fr)}.inst-grid{grid-template-columns:1fr}.keys-inner{padding:54px 30px}}@media (max-width:680px){.nav-links{display:none}.nav-links.open{display:flex;position:absolute;backdrop-filter:blur(14px);border-bottom:1px solid var(--line);background:#eef7fff7;flex-direction:column;gap:0;padding:8px 0;top:70px;left:0;right:0}.nav-links.open a.link{width:100%;padding:14px 28px}.nav-toggle{display:inline-flex}.sec{padding:68px 0}.feat-grid{grid-template-columns:1fr}.feat.wide{grid-column:span 1}.key-grid{grid-template-columns:1fr}.wrap{padding:0 20px}.nav-cta .btn span.lbl{display:none}.nav-cta .btn{padding:11px 16px}}