:root{--bg:#fafaf8;--bg2:#f0f0ec;--fg:#0a0a0a;--mut:#6d6d67;--line:#dcdcd6;--inv:#fafaf8;--ease:cubic-bezier(.2,.7,.2,1)}
:root[data-theme=dark]{--bg:#0a0a0a;--bg2:#141414;--fg:#f4f4f1;--mut:#8f8f88;--line:#262626;--inv:#0a0a0a}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0a0a0a;--bg2:#141414;--fg:#f4f4f1;--mut:#8f8f88;--line:#262626;--inv:#0a0a0a}}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 "Inter",ui-sans-serif,-apple-system,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;transition:background .3s,color .3s}
a{color:inherit}.mono{font:500 12px/1 ui-monospace,"SF Mono",Menlo,Consolas,monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--mut)}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
/* header */
header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;height:64px;gap:28px}
.mark{display:flex;align-items:center;gap:10px;font-weight:650;letter-spacing:-.02em;font-size:19px;text-decoration:none}
.mark svg{width:26px;height:26px}
.nav nav{margin-left:auto;display:flex;align-items:center;gap:26px;font-size:14.5px}
.nav nav a{text-decoration:none;color:var(--mut);transition:color .2s}.nav nav a:hover{color:var(--fg)}
.tbtn{all:unset;cursor:pointer;width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%}
.tbtn:hover{border-color:var(--fg)}.tbtn svg{width:16px;height:16px;fill:none;stroke:var(--fg);stroke-width:1.7}
.lang{font-size:13px;border:1px solid var(--line);border-radius:99px;padding:6px 12px;text-decoration:none;color:var(--fg)!important}
/* hero */
.hero{padding:84px 0 70px}
.hero .wrap{display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center}
h1{font-weight:620;font-size:clamp(50px,8.2vw,112px);line-height:.95;letter-spacing:-.045em;margin:22px 0 28px}
h1 span{display:block;overflow:hidden;padding-bottom:.08em}h1 span i{display:block;font-style:normal;transform:translateY(105%);animation:up 1s var(--ease) forwards}
h1 span:nth-child(2) i{animation-delay:.12s;color:var(--mut)}
@keyframes up{to{transform:none}}
.hero p.lead{font-size:20px;max-width:470px;color:var(--mut);margin:0 0 34px}
.cta{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 24px;border-radius:99px;background:var(--fg);color:var(--inv);font-weight:600;font-size:15.5px;text-decoration:none;border:0}
.btn.soon{opacity:.92;cursor:default}
.link{font-weight:600;text-decoration:none;border-bottom:1.5px solid var(--fg);padding-bottom:2px}
.meta{margin-top:30px}
/* TV mock */
.tvwrap{position:relative}
.tv{position:relative;aspect-ratio:16/9;border-radius:14px;background:#000;border:7px solid #141414;box-shadow:0 0 0 1px var(--line),0 40px 80px -30px rgba(0,0,0,.45);overflow:hidden;isolation:isolate;container-type:inline-size}
.film{position:absolute;inset:0;background:linear-gradient(180deg,#16233f 0%,#3c3560 38%,#d9805a 70%,#f0b27a 100%);animation:drift 16s ease-in-out infinite alternate}
.film:before,.film:after{content:"";position:absolute;left:-10%;right:-10%;bottom:0;background:#120f1c}
.film:before{height:34%;clip-path:polygon(0 60%,12% 30%,26% 55%,41% 15%,58% 50%,72% 25%,88% 52%,100% 35%,100% 100%,0 100%);opacity:.9}
.film:after{height:20%;background:#07060b;clip-path:polygon(0 45%,18% 20%,34% 50%,55% 25%,75% 55%,100% 30%,100% 100%,0 100%)}
@keyframes drift{to{filter:hue-rotate(-14deg) brightness(.92);transform:scale(1.06)}}
.grain{position:absolute;inset:0;opacity:.14;mix-blend-mode:overlay;pointer-events:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>")}
.panel{position:absolute;top:0;right:0;bottom:0;width:41%;background:rgba(18,21,29,.94);color:#fff;padding:3.2cqw 2.6cqw;font-size:2.1cqw;line-height:1.25;transform:translateX(104%);transition:transform .7s var(--ease);display:flex;flex-direction:column;gap:.5cqw}
.tv[data-step="1"] .panel,.tv[data-step="2"] .panel,.tv[data-step="3"] .panel{transform:none}
.p-head{display:flex;justify-content:space-between;font-weight:650;font-size:2.5cqw;margin-bottom:1cqw}
.gear{width:2.6cqw;height:2.6cqw;border:.3cqw solid #fff;border-radius:50%;opacity:.8}
.p-row{display:flex;justify-content:space-between;align-items:center;padding:1.3cqw 1.5cqw;border-radius:1cqw;transition:background .35s}
.p-row b{font-weight:500;display:block}.p-row small{opacity:.55;font-size:1.65cqw}
.sw{flex:none;width:6cqw;height:3.2cqw;border-radius:2cqw;background:#394152;position:relative;transition:background .4s}
.sw:after{content:"";position:absolute;top:.35cqw;left:.35cqw;width:2.5cqw;height:2.5cqw;border-radius:50%;background:#fff;transition:transform .4s var(--ease)}
.sw.on{background:var(--c,#ffb35c)}.sw.on:after{transform:translateX(2.8cqw)}
.r1,.r2,.r3,.r4{border:0}
.tv[data-step="1"] .r1,.tv[data-step="3"] .r1,.tv[data-step="2"] .r2{background:rgba(255,255,255,.13)}
.tv[data-step="2"] .r2 .sw{background:#ffb35c}.tv[data-step="2"] .r2 .sw:after{transform:translateX(2.8cqw)}
.r2 small .on{display:none}.tv[data-step="2"] .r2 small .on{display:inline}.tv[data-step="2"] .r2 small .off{display:none}
.p-ext{max-height:0;opacity:0;overflow:hidden;transition:max-height .55s var(--ease),opacity .4s;padding:0 1.5cqw}
.tv[data-step="3"] .p-ext{max-height:16cqw;opacity:1}
.bar{height:.7cqw;border-radius:1cqw;background:rgba(255,255,255,.18);margin:1.2cqw 0 1.4cqw;position:relative}
.bar i{position:absolute;left:0;top:0;bottom:0;border-radius:1cqw;background:#fff;width:46%;transition:width 1.2s var(--ease) .5s}
.tv[data-step="3"] .bar i{width:78%}
.dots{display:flex;gap:1.2cqw}.dots u{width:3cqw;height:3cqw;border-radius:50%;display:block;text-decoration:none;outline:.35cqw solid transparent;outline-offset:.3cqw;transition:outline-color .3s .9s}
.tv[data-step="3"] .dots u:nth-child(3){outline-color:#fff}
.thumb{width:8cqw;height:4.6cqw;border-radius:.7cqw;background:linear-gradient(135deg,#456,#123)}
.key{position:absolute;left:5%;bottom:8%;font:500 1.9cqw ui-monospace,Menlo,monospace;color:#fff;background:rgba(0,0,0,.55);padding:.9cqw 1.4cqw;border-radius:.8cqw;opacity:0;transform:translateY(1cqw);transition:.4s}
.tv[data-step="1"] .key,.tv[data-step="4"] .key{opacity:1;transform:none}
.key .k4{display:none}.tv[data-step="4"] .key .k1{display:none}.tv[data-step="4"] .key .k4{display:inline}
.cap{margin-top:16px;display:flex;gap:10px;align-items:center;color:var(--mut);font-size:14.5px;min-height:24px}
.cap i{width:7px;height:7px;border-radius:50%;background:var(--fg);animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.25}}
/* sections */
section{padding:112px 0;border-top:1px solid var(--line)}
.eyebrow{margin-bottom:18px}
h2{font-weight:620;font-size:clamp(34px,5vw,60px);line-height:1.02;letter-spacing:-.035em;margin:0 0 22px;max-width:780px}
.sec-p{color:var(--mut);max-width:560px;font-size:19px;margin:0 0 56px}
/* feature list */
.flist{border-top:1px solid var(--line)}
.frow{display:grid;grid-template-columns:90px 1fr 1.25fr;gap:24px;padding:30px 0;border-bottom:1px solid var(--line);align-items:baseline}
.frow .n{font:500 13px ui-monospace,Menlo,monospace;color:var(--mut)}
.frow h3{margin:0;font-size:clamp(24px,3vw,34px);font-weight:600;letter-spacing:-.03em;line-height:1.1}
.frow p{margin:0;color:var(--mut);font-size:17px;max-width:520px}
/* tutorial */
.use{display:grid;grid-template-columns:1fr 1.25fr;gap:64px;align-items:start}
.usesteps .st{min-height:62vh;display:flex;flex-direction:column;justify-content:center;opacity:.28;transition:opacity .5s}
.usesteps .st.on{opacity:1}
.st .n{margin-bottom:14px}.st h3{font-size:clamp(28px,3.6vw,44px);margin:0 0 12px;font-weight:620;letter-spacing:-.035em;line-height:1.05}
.st p{margin:0;color:var(--mut);font-size:18px;max-width:420px}
.stage{position:sticky;top:96px}
.remote{width:132px;margin:34px auto 0;display:block}
.remote .body{fill:var(--bg2);stroke:var(--line);stroke-width:1.5}.remote .b{fill:var(--bg);stroke:var(--line);stroke-width:1.5;transition:fill .3s,stroke .3s}
.remote text{font:600 10px ui-monospace,Menlo,monospace;fill:var(--mut);text-anchor:middle}
.stage[data-step="1"] .k-key,.stage[data-step="2"] .k-dn,.stage[data-step="2"] .k-ok,.stage[data-step="3"] .k-ok,.stage[data-step="3"] .k-rt,.stage[data-step="4"] .k-back{fill:var(--fg);stroke:var(--fg)}
.stage[data-step="1"] .l-key,.stage[data-step="4"] .l-back{fill:var(--fg)}
.rem-row{display:flex;justify-content:center;gap:18px;align-items:flex-start}
.hint{text-align:center;margin-top:8px}
/* doorbell */
.door{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:center}
.door .tv .film{animation-duration:20s}
.pip{position:absolute;top:6%;right:4%;width:34%;aspect-ratio:16/9;border-radius:1cqw;background:linear-gradient(135deg,#3b5a73,#0f1b28);border:.35cqw solid rgba(255,255,255,.75);box-shadow:0 1.5cqw 4cqw rgba(0,0,0,.5);opacity:0;transform:translateY(-3cqw) scale(.92);animation:pip 9s var(--ease) infinite;overflow:hidden}
.pip:before{content:"";position:absolute;left:30%;top:18%;width:22%;aspect-ratio:1;border-radius:50%;background:#c9b8a6;box-shadow:0 14cqw 0 5.5cqw #a8957f}
.pip span{position:absolute;left:3%;top:4%;font:500 1.6cqw ui-sans-serif,system-ui;color:#fff;background:rgba(0,0,0,.55);padding:.4cqw 1cqw;border-radius:.6cqw}
.pip em{position:absolute;left:0;right:0;bottom:4%;text-align:center;font:normal 1.5cqw ui-sans-serif,system-ui;color:#fff}
.bell{position:absolute;left:5%;top:7%;font:500 2cqw ui-monospace,Menlo,monospace;color:#fff;background:rgba(0,0,0,.55);padding:1cqw 1.6cqw;border-radius:.9cqw;opacity:0;animation:bell 9s infinite}
@keyframes pip{0%,18%{opacity:0;transform:translateY(-3cqw) scale(.92)}26%,78%{opacity:1;transform:none}86%,100%{opacity:0;transform:translateY(-3cqw) scale(.92)}}
@keyframes bell{0%,6%{opacity:0}9%,20%{opacity:1}24%,100%{opacity:0}}
/* setup + pricing */
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
.three>div{padding:32px 28px 8px 0;border-right:1px solid var(--line);margin-right:28px}.three>div:last-child{border:0;margin:0}
.three h3{font-size:24px;margin:10px 0 8px;letter-spacing:-.025em}.three p{color:var(--mut);margin:0}
.plans{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:22px;overflow:hidden}
.plan{padding:40px}.plan+.plan{border-left:1px solid var(--line);background:var(--fg);color:var(--inv)}
.plan h3{margin:0 0 4px;font-size:30px;letter-spacing:-.03em}.plan .mono{color:inherit;opacity:.6}
.plan ul{list-style:none;padding:0;margin:26px 0 0}.plan li{padding:11px 0;border-top:1px solid color-mix(in srgb,currentColor 18%,transparent);font-size:16px}
/* faq */
details{border-top:1px solid var(--line);padding:22px 0}details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-size:21px;font-weight:560;letter-spacing:-.02em;list-style:none;display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}summary:after{content:"+";font-weight:300;font-size:26px;line-height:1;transition:transform .3s}
details[open] summary:after{transform:rotate(45deg)}details p{margin:14px 0 0;color:var(--mut);max-width:680px}
footer{border-top:1px solid var(--line);padding:70px 0 40px;overflow:hidden}
.big{font-weight:650;font-size:clamp(70px,17vw,230px);letter-spacing:-.06em;line-height:.8;margin:0 0 50px;color:var(--fg)}
.foot{display:flex;flex-wrap:wrap;gap:16px 36px;justify-content:space-between;color:var(--mut);font-size:14px}
.foot small{display:block;max-width:560px;margin-top:8px;font-size:13px;line-height:1.5}
/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}.rv.in{opacity:1;transform:none}
/* document pages */
.doc{padding:80px 28px 100px;max-width:816px}.doc h1{font-size:clamp(34px,5vw,56px);line-height:1.02;margin:0 0 16px}.doc h2{font-size:22px;margin:38px 0 8px;letter-spacing:-.02em}.doc p,.doc li{color:var(--mut)}.doc hr{border:0;border-top:1px solid var(--line);margin:56px 0}
@media(max-width:900px){.hero .wrap,.use,.door{grid-template-columns:1fr}.frow{grid-template-columns:44px 1fr}.frow p{grid-column:2}.use{display:flex;flex-direction:column;align-items:stretch;gap:0}.stage{position:sticky;top:64px;order:-1;z-index:4;background:var(--bg);padding:12px 0 10px;border-bottom:1px solid var(--line)}.stage .remote{display:none}.stage .hint{margin-top:10px}.usesteps .st{min-height:46vh}.usesteps .st p{font-size:16px}.three,.plans{grid-template-columns:1fr}.three>div{border:0;margin:0;padding-right:0;border-top:1px solid var(--line)}.plan+.plan{border-left:0;border-top:1px solid var(--line)}.nav nav a:not(.lang){display:none}}
@media(max-width:600px){.plan{padding:28px 24px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}h1 span i{transform:none}.rv{opacity:1;transform:none}.pip{opacity:1;transform:none}}