:root{color-scheme:light;--ink:#153c56;--muted:#65798a;--paper:#ffffff;--canvas:#f8fbfb;--soft:#eaf8f4;--teal:#08a88e;--aqua:#23cfb0;--line:#dce8e8;--shadow:0 22px 70px rgba(12,45,62,.08);--nav:rgba(255,255,255,.94);font-family:Manrope,system-ui,Arial,sans-serif}
:root[data-theme="dark"]{color-scheme:dark;--ink:#ecf6f6;--muted:#a4b7c3;--paper:#101e2b;--canvas:#0b1621;--soft:#16363a;--teal:#64e6c9;--aqua:#24c9ad;--line:#304452;--shadow:0 22px 70px rgba(0,0,0,.17);--nav:rgba(11,22,33,.94)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:98px}body{margin:0;min-width:300px;background:var(--canvas);color:var(--ink);line-height:1.65}h1,h2,h3,h4,p{margin:0}h1,h2,h3{line-height:1.12;letter-spacing:-.045em}h1{font-size:clamp(42px,5vw,76px)}h2{font-size:clamp(31px,3.4vw,49px)}h3{font-size:clamp(19px,2vw,26px)}a{color:inherit}button,input{font:inherit}button{cursor:pointer}button,a,input{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--teal);outline-offset:4px}[hidden]{display:none!important}::selection{background:var(--teal);color:#061f1a}
.wrap{width:min(1200px,calc(100% - 64px));margin:0 auto}.skip{position:absolute;top:-100px;left:15px;z-index:100;background:var(--paper);padding:12px}.skip:focus{top:8px}
.header{position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line);background:var(--nav);backdrop-filter:blur(16px)}.head-inner{min-height:76px;display:flex;align-items:center;gap:28px;justify-content:space-between}.brand{display:flex;gap:10px;align-items:center;font-weight:850;letter-spacing:.03em;font-size:22px;text-decoration:none;white-space:nowrap}.brand-icon{display:grid;place-items:center;color:var(--teal)}.brand span span{color:var(--teal)}.nav{display:flex;gap:26px}.nav a{text-decoration:none;font-size:13px;font-weight:700;white-space:nowrap;color:var(--muted)}.nav a:hover{color:var(--teal)}.controls{display:flex;gap:8px}.icon-btn,.ghost-btn{padding:9px 14px;border:1px solid var(--line);background:var(--paper);border-radius:10px;color:var(--ink);font-weight:750;font-size:12px;min-height:40px}.primary-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;gap:10px;border-radius:12px;padding:14px 22px;min-height:48px;font-weight:800;font-size:14px;border:1px solid transparent;transition:transform .15s,filter .15s}.primary-btn{color:#072a2a;background:var(--aqua)}.secondary-btn{color:var(--ink);border-color:var(--line);background:var(--paper)}.primary-btn:hover,.secondary-btn:hover{transform:translateY(-2px)}
.eyebrow{color:var(--teal);letter-spacing:.16em;text-transform:uppercase;font-size:11px;font-weight:850}.lead{font-size:clamp(17px,1.6vw,21px);line-height:1.65;color:var(--muted)}.small{font-size:12px;color:var(--muted);line-height:1.6}.section{padding:92px 0;border-top:1px solid var(--line)}.section-head{max-width:780px;margin-bottom:36px}.section-head h2{margin:10px 0 18px}.section-head>p:last-child{color:var(--muted);font-size:17px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{border:1px solid var(--line);border-radius:18px;background:var(--paper);padding:24px;box-shadow:var(--shadow)}.card p{color:var(--muted);font-size:14px;margin-top:9px}.card strong{font-weight:850}.badge{font-size:11px;letter-spacing:.015em;background:var(--soft);border:1px solid var(--line);color:var(--ink);padding:5px 10px;border-radius:999px;font-weight:750;display:inline-block}.pill-row{display:flex;gap:8px;flex-wrap:wrap}.note{background:var(--soft);border:1px solid var(--line);padding:14px 18px;border-radius:12px;font-size:13px;color:var(--muted)}
.hero{padding:74px 0 76px;background:radial-gradient(ellipse at 69% 38%,rgba(35,207,176,.13),transparent 48%)}.hero-layout{display:grid;grid-template-columns:.94fr 1.06fr;gap:32px;align-items:center}.hero-copy h1{margin:15px 0 22px}.gradient{background:linear-gradient(110deg,var(--teal),#43b6ef);background-clip:text;-webkit-background-clip:text;color:transparent}.hero-copy .lead{max-width:540px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 22px}.hero-visual{min-height:485px;display:grid;place-items:center;position:relative;background:radial-gradient(circle at 60% 45%,rgba(60,194,187,.2),transparent 53%),linear-gradient(150deg,#0d2637,#08131d);border-radius:25px;overflow:hidden;box-shadow:0 32px 80px #0c314144}.hero-visual:before{content:"";position:absolute;bottom:20px;left:10%;right:10%;height:50px;background:radial-gradient(ellipse,rgba(0,0,0,.56),transparent 70%)}.hero-visual>.tiny-caption{position:absolute;bottom:18px;left:20px;right:20px;color:#b8d4d4;text-align:center;font-size:11px;letter-spacing:.05em}.ambient-glow{position:absolute;inset:0;background:radial-gradient(circle at 20% 20%,#29b6a61f,transparent 40%)}.stats-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper)}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}.stats>div{padding:24px 26px;border-right:1px solid var(--line)}.stats>div:last-child{border-right:0}.stats b{font-size:20px;display:block;letter-spacing:-.03em}.stats span{color:var(--muted);font-size:12px}
.device-stage{width:100%;position:relative;z-index:1;display:grid;place-items:center;min-height:420px}.device-frame{--scale:1;position:relative;width:340px;height:262px;transform:scale(var(--scale));filter:drop-shadow(0 30px 35px rgba(0,0,0,.42))}.device-frame .cabinet{position:absolute;inset:22px 7px 5px;background:linear-gradient(135deg,#b27c49,#734327 42%,#4b291c 92%);border:9px solid #73482c;border-radius:36px 31px 27px 27px;box-shadow:inset 0 0 0 3px #c69b65,12px 12px 0 #241c18}.device-frame .bezel{position:absolute;left:26px;top:41px;width:252px;height:191px;border:9px solid #bdc4be;border-radius:34px;background:#050a0e;box-shadow:inset 0 0 0 6px #24282a,0 2px 5px #26150c}.eyes{position:absolute;left:56px;top:84px;width:190px;height:95px;display:flex;align-items:flex-start;justify-content:space-around}.eye{display:block;width:20px;height:39px;border-radius:50%;background:#f5ffff;box-shadow:0 0 20px #e3ffff8e;animation:blink 6s infinite}.mouth{position:absolute;left:146px;top:164px;width:24px;height:12px;border-bottom:5px solid #f5ffff;border-radius:0 0 20px 20px;box-shadow:0 7px 13px #fff4}.device-frame.listening .mouth{width:14px;height:19px;left:151px;border:4px solid #fff;border-radius:50%;animation:none}.device-frame.speaking .mouth{width:32px;height:28px;left:143px;top:158px;border:5px solid #fff;border-radius:50%;animation:talk .4s infinite alternate}.device-frame.sleeping .eye{height:5px;width:35px;border-radius:40px;margin-top:21px;animation:none}.device-frame.sleeping .mouth{width:15px}.antenna{position:absolute;width:6px;height:114px;top:-74px;left:143px;transform:rotate(-38deg);transform-origin:bottom;background:linear-gradient(90deg,#cbd5da,#777c7f);border-radius:5px}.antenna.two{left:196px;transform:rotate(38deg)}.dial{position:absolute;right:23px;top:65px;width:31px;height:31px;background:radial-gradient(circle at 32% 30%,#edf0df,#636c6b);border:5px solid #59615e;border-radius:50%;box-shadow:0 2px 3px #22170e}.dial.two{top:113px;width:24px;height:24px;right:26px}.grille{position:absolute;right:24px;bottom:38px;width:30px;height:65px;background:repeating-linear-gradient(0deg,#141b1c 0 3px,#a77b58 3px 7px);opacity:.75}.feet{position:absolute;bottom:0;left:64px;width:34px;height:9px;background:#242628;border-radius:0 0 6px 6px}.feet.two{left:auto;right:53px}
@keyframes blink{0%,45%,49%,100%{transform:scaleY(1)}47%{transform:scaleY(.08)}}@keyframes talk{to{height:12px;top:166px}}
.device-frame[data-model="bot"] .cabinet{inset:25px 74px 0;background:linear-gradient(145deg,#f6f8f8,#9aafb8);border-color:#aabac0;border-radius:100px 100px 72px 72px;box-shadow:inset 0 0 0 4px #e8ecee}.device-frame[data-model="bot"] .bezel{left:95px;top:67px;width:151px;height:121px;border-color:#657d88;border-radius:48px}.device-frame[data-model="bot"] .eyes{left:113px;top:102px;width:117px;height:54px}.device-frame[data-model="bot"] .mouth{left:163px;top:157px}.device-frame[data-model="bot"] .dial,.device-frame[data-model="bot"] .grille,.device-frame[data-model="bot"] .antenna{display:none}.device-frame[data-model="bot"] .feet{left:116px;width:34px;bottom:-6px}.device-frame[data-model="bot"] .feet.two{right:115px;left:auto}.device-frame[data-model="bot"].speaking .mouth{left:156px;top:152px}.device-frame[data-model="bot"].listening .mouth{left:163px;top:152px}
.device-frame[data-model="screen"] .cabinet{inset:30px 7px 18px;background:linear-gradient(145deg,#495e6d,#1d2d3b);border:6px solid #738895;border-radius:16px;box-shadow:none}.device-frame[data-model="screen"] .bezel{left:22px;top:46px;width:298px;height:168px;border:4px solid #415865;border-radius:10px}.device-frame[data-model="screen"] .eyes{left:52px;top:95px;width:245px}.device-frame[data-model="screen"] .mouth{left:159px;top:166px}.device-frame[data-model="screen"] .dial,.device-frame[data-model="screen"] .grille,.device-frame[data-model="screen"] .antenna{display:none}.device-frame[data-model="screen"] .feet{left:145px;bottom:-22px;width:50px;height:35px;border-radius:3px}.device-frame[data-model="screen"] .feet.two{right:86px;bottom:-30px;width:169px;height:8px}
.device-frame[data-model="book"] .cabinet{inset:0 49px 2px;background:linear-gradient(100deg,#462c30 0 16%,#77564a 16% 95%,#d6cbaa 95%);border:6px solid #be9d6f;border-radius:11px 20px 20px 11px;box-shadow:10px 6px 0 #c5bba2}.device-frame[data-model="book"] .bezel{top:55px;left:97px;width:161px;height:146px;border:9px solid #795843;border-radius:24px}.device-frame[data-model="book"] .eyes{left:119px;top:102px;width:120px}.device-frame[data-model="book"] .mouth{left:165px;top:169px}.device-frame[data-model="book"] .dial,.device-frame[data-model="book"] .grille,.device-frame[data-model="book"] .antenna,.device-frame[data-model="book"] .feet{display:none}.device-frame[data-model="book"].speaking .mouth{left:158px}.device-frame[data-model="book"].listening .mouth{left:166px}
.models{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.model-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;text-align:left;padding:18px;color:var(--ink);transition:border .2s,transform .2s;min-width:0}.model-card:hover,.model-card[aria-pressed=true]{border-color:var(--teal);transform:translateY(-2px)}.model-thumbnail{display:grid;place-items:center;aspect-ratio:1.4;background:radial-gradient(ellipse,#2d5863,#102638);border-radius:12px;overflow:hidden;margin-bottom:15px}.model-thumbnail .device-frame{--scale:.38;flex-shrink:0}.model-card strong{display:block;font-size:16px}.model-card span:last-child{color:var(--muted);font-size:12px}
.flow-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.flow-card{padding:28px;border-radius:16px;background:var(--paper);border:1px solid var(--line)}.flow-card .num{font-size:12px;font-weight:900;color:var(--teal);letter-spacing:.12em}.flow-card h3{margin:15px 0 9px}.flow-card p{color:var(--muted);font-size:14px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.feature{background:var(--paper);padding:20px;border-radius:14px;border:1px solid var(--line)}.feature p{font-size:13px;color:var(--muted);margin-top:6px}.feature b{font-size:15px}.demo-area{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center}.demo-stage{background:radial-gradient(circle,#244456,#081824 75%);border-radius:20px;padding:12px;min-height:370px;display:grid;place-items:center}.demo-stage .device-frame{--scale:.85}.demo-options{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.choice{border:1px solid var(--line);border-radius:10px;background:var(--paper);padding:10px 14px;color:var(--ink);font-weight:750;font-size:13px}.choice[aria-pressed=true]{background:var(--soft);border-color:var(--teal)}.demo-explain{padding:17px 20px;background:var(--soft);border:1px solid var(--line);border-radius:12px;color:var(--muted);font-size:14px}
.diagram{background:#0a1e2a;border-radius:20px;padding:30px;color:#eef8f9}.diagram h3{margin-bottom:20px;color:#f5ffff}.diagram-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;align-items:center}.diagram-node{border:1px solid #47646d;background:#17313e;border-radius:12px;text-align:center;padding:20px 12px;font-size:13px;font-weight:800}.diagram-node small{display:block;color:#9bbac1;font-weight:500;margin-top:7px}.diagram-conn{text-align:center;font-size:12px;color:#75e7d0;padding:10px 0}.spec-table{width:100%;border-collapse:collapse;font-size:14px}.spec-table th,.spec-table td{text-align:left;padding:15px 12px;border-bottom:1px solid var(--line);vertical-align:top}.spec-table th{color:var(--muted);font-size:12px}.spec-table td:last-child{color:var(--muted)}.status{font-size:11px;color:#9c6700;background:#fff0c6;border-radius:30px;padding:4px 8px;white-space:nowrap}.status.green{color:#126750;background:#dbf4e9}
.power-panel{padding:25px;border:1px solid var(--line);background:var(--paper);border-radius:17px}.power-toggle{display:flex;gap:8px;flex-wrap:wrap}.energy-monitor{margin:22px 0;padding:30px;border-radius:14px;background:#102c39;color:#ebfffb;display:grid;grid-template-columns:1fr 1fr;gap:16px}.energy-monitor strong{font-size:34px;line-height:1.1;display:block}.energy-monitor span{font-size:12px;color:#a9c8c8}.range-row{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:12px 0 6px}.range-row label{font-weight:750;font-size:13px}.range-row output{font-weight:850}.range{accent-color:var(--teal);width:100%}
.phone-scene{display:grid;place-items:center}.phone{width:275px;min-height:505px;background:#0c1d2b;border:8px solid #273c4d;border-radius:39px;color:#edfafa;box-shadow:0 25px 65px #07192944;padding:20px 16px 28px}.phone-top{display:flex;justify-content:space-between;font-size:10px}.phone-notch{margin:-17px auto 36px;width:83px;height:16px;background:#273c4d;border-radius:0 0 13px 13px}.phone h3{font-size:22px;margin-bottom:3px}.phone .sub{font-size:11px;color:#adc6ca}.phone-device{margin:20px 0;background:#173442;border:1px solid #345260;border-radius:14px;padding:15px}.phone-hero{display:flex;gap:10px;align-items:center;margin-bottom:13px}.phone-face{background:#051016;border-radius:12px;width:65px;height:57px;display:grid;place-items:center;font-size:29px;color:#fff}.phone-pct{height:5px;border-radius:99px;background:#395665;overflow:hidden;margin-top:12px}.phone-pct span{display:block;width:84%;height:100%;background:#35d3aa}.phone-item{border:1px solid #324b58;border-radius:10px;padding:12px 13px;margin:8px 0;font-size:12px;display:flex;justify-content:space-between}.phone-footer{font-size:10px;color:#90b6c1;margin-top:20px;text-align:center}
.cost-panel{border:1px solid var(--line);background:var(--paper);padding:28px;border-radius:20px}.cost-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:20px 0}.cost-summary>div{padding:17px 14px;border:1px solid var(--line);background:var(--canvas);border-radius:14px}.cost-summary strong{display:block;font-size:25px;letter-spacing:-.04em}.cost-summary span{font-size:11px;color:var(--muted)}.cost-list{margin:24px 0 12px}.cost-line{display:grid;grid-template-columns:1.35fr 1fr 95px;align-items:center;gap:14px;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px}.bar{height:7px;background:var(--soft);border-radius:12px;overflow:hidden}.bar>span{display:block;height:100%;background:var(--teal)}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.milestone{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:24px}.milestone span{font-size:12px;font-weight:900;color:var(--teal)}.milestone h3{font-size:19px;margin:10px 0}.milestone p{font-size:13px;color:var(--muted)}.faq{max-width:850px}.faq details{background:var(--paper);border:1px solid var(--line);padding:21px 24px;border-radius:13px;margin-bottom:10px}.faq summary{cursor:pointer;font-weight:800}.faq p{color:var(--muted);font-size:14px;margin-top:12px}
.footer{border-top:1px solid var(--line);background:var(--paper);padding:33px 0}.footer-in{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}.footer a{color:var(--teal)}
.presentation-bar{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:70;background:#102b3a;color:#fff;border:1px solid #42626e;border-radius:18px;padding:8px;display:none;align-items:center;gap:12px;box-shadow:0 22px 60px #0004}.presentation-bar button{background:#234653;border:0;border-radius:10px;padding:9px 14px;color:white;font-weight:800}.presentation-bar span{font-size:12px;min-width:75px;text-align:center}
body.presentation .presentation-bar{display:flex}body.presentation{scroll-snap-type:y mandatory}body.presentation [data-chapter]{min-height:calc(100vh - 76px);scroll-snap-align:start}body.presentation .header{position:relative}
@media(max-width:1080px){.nav{display:none}.hero-layout{grid-template-columns:1fr 1fr}.hero-visual{min-height:420px}.device-frame{--scale:.82}.cards{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.stats>div:nth-child(2){border-right:0}.stats>div:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:760px){.wrap{width:min(100% - 36px,620px)}.head-inner{min-height:65px}.brand{font-size:18px}.icon-btn,.ghost-btn{padding:8px 10px;font-size:11px}.hero{padding:48px 0}.hero-layout,.two-col,.demo-area{grid-template-columns:1fr}.hero-visual{min-height:375px}.hero-visual .device-frame{--scale:.76}.stats{grid-template-columns:repeat(2,1fr)}.stats>div{padding:17px}.stats b{font-size:16px}.section{padding:65px 0}.models{grid-template-columns:repeat(2,1fr)}.model-thumbnail .device-frame{--scale:.33}.cards,.feature-grid,.flow-grid,.timeline{grid-template-columns:1fr}.diagram-row{grid-template-columns:1fr}.energy-monitor,.cost-summary{grid-template-columns:1fr 1fr}.cost-summary>div:last-child{grid-column:span 2}.cost-line{grid-template-columns:1fr 75px}.cost-line .bar{display:none}.footer-in{flex-direction:column;text-align:center}.demo-stage{min-height:350px}.demo-stage .device-frame{--scale:.72}.head-inner{gap:8px}.controls{gap:4px}}
@media(max-width:390px){.hero-visual{min-height:305px}.hero-visual .device-frame{--scale:.6}.model-thumbnail .device-frame{--scale:.28}.brand{font-size:15px}.section-head h2{font-size:31px}.phone{width:260px}.controls .ghost-btn{font-size:0}.controls .ghost-btn:after{content:"▶";font-size:15px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* Position scaled preview models without overflowing narrow cards. */
.model-thumbnail{position:relative;min-width:0}.model-thumbnail>[data-device]{position:absolute;inset:0;min-width:0}.model-thumbnail .device-frame{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.38);transform-origin:center}
.device-stage>[data-device],.demo-stage>[data-device]{width:100%;display:grid;place-items:center;min-width:0}.demo-stage{overflow:hidden}
@media(max-width:390px){.model-thumbnail .device-frame{transform:translate(-50%,-50%) scale(.28)}}

.render-banner{margin:30px 0 0;border:1px solid var(--line);border-radius:19px;overflow:hidden;background:#0b202d}.render-banner img{display:block;width:100%;height:auto;max-height:480px;object-fit:cover}.render-banner figcaption{background:var(--paper);padding:12px 20px;color:var(--muted);font-size:12px}

.hero-render{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}