:root{color-scheme:light;
  --bg:#F5F5F3; --bg2:#EBEAE7; --tile:#E9E7E3; --ink:#111110; --ink2:#6E6C68; --ink3:#9B9893;
  --line:rgba(17,17,16,.1); --btn:#111110; --btn-ink:#fff;
  --wrap:1200px; --pad:clamp(20px,4vw,44px); --r:28px;
  --f:-apple-system,BlinkMacSystemFont,"SF Pro Display","Inter","Helvetica Neue",Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.5 var(--f);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--bg);padding:8px 14px;border-radius:8px;z-index:99}.skip:focus{left:8px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.narrow{max-width:720px}.center{text-align:center}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:8px}

h1,h2{font-weight:650;letter-spacing:-.035em;line-height:1.02;margin:0}
h1{font-size:clamp(48px,7.6vw,104px)}
h2{font-size:clamp(40px,5.6vw,80px)}
.mega{font-size:clamp(64px,11vw,168px);letter-spacing:-.05em}
.eyebrow{font-size:16px;font-weight:550;margin:0 0 20px;letter-spacing:-.01em}.eyebrow a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--ink3);padding-bottom:2px}.eyebrow a:hover{border-color:var(--ink)}.eyebrow span{color:var(--ink2)}
h1,.hero .lede{text-wrap:balance}
@media (max-width:600px){.hero h1 .br{display:none}.hero h1{font-size:clamp(40px,11vw,48px)}}
.lede,.sub{text-wrap:balance;font-size:clamp(19px,1.6vw,22px);line-height:1.4;color:var(--ink2);margin:22px auto 0;max-width:34ch;letter-spacing:-.012em}
.note{font-size:13px;color:var(--ink3);margin-top:40px}.note a{text-underline-offset:2px}
section{padding:clamp(110px,14vw,200px) 0}

.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 80%,transparent);backdrop-filter:saturate(1.8) blur(20px);-webkit-backdrop-filter:saturate(1.8) blur(20px);border-bottom:1px solid transparent;transition:border-color .3s}
.nav.scrolled{border-bottom-color:var(--line)}
.nav-in{display:flex;align-items:center;gap:28px;height:56px}
.brand{display:flex;align-items:center;gap:9px;font-weight:620;font-size:16px;text-decoration:none;letter-spacing:-.015em}
.mark{width:20px;height:20px;border-radius:50%;background:var(--ink);position:relative}
.mark::after{content:"";position:absolute;inset:6px;border-radius:50%;border:1.6px solid var(--bg)}
.nav nav{margin-left:auto;display:flex;gap:26px}
.nav nav a{font-size:14px;color:var(--ink2);text-decoration:none}.nav nav a:hover{color:var(--ink)}
.nav-cta{font-size:13px;font-weight:600;text-decoration:none;background:var(--btn);color:var(--btn-ink);padding:7px 14px;border-radius:99px}

.hero{padding:clamp(48px,6vw,88px) 0 0;overflow:hidden}
.signup{display:flex;gap:6px;max-width:420px;margin:40px auto 0;padding:6px;border-radius:99px;background:var(--tile);position:relative;flex-wrap:wrap}
.signup input[type=email]{flex:1;min-width:0;border:0;background:none;font:inherit;font-size:16px;color:var(--ink);padding:0 18px;outline:none}
.signup input::placeholder{color:var(--ink3)}
.signup button{border:0;background:var(--btn);color:var(--btn-ink);font:inherit;font-size:15px;font-weight:600;padding:13px 22px;border-radius:99px;cursor:pointer}
.signup button:disabled{opacity:.6}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form-msg{position:absolute;top:calc(100% + 10px);left:0;right:0;margin:0;font-size:14px;color:var(--ink2);text-align:center}
.signup.done{background:none}
.signup.done>*:not(.done-card):not(.form-msg){display:none}
.done-card{flex:1;display:flex;align-items:center;justify-content:center;gap:10px;font-size:16px;padding:12px}
.done-card i{font-style:normal;width:24px;height:24px;border-radius:50%;background:var(--btn);color:var(--btn-ink);display:grid;place-items:center;font-size:13px}
.stores{display:flex;justify-content:center;align-items:center;gap:10px;margin:40px auto 0;flex-wrap:wrap}
.store-ios{display:inline-flex;height:40px;line-height:0;flex:none}
.store-ios img{height:40px;width:auto;display:block}
.store-gh,.store-off{box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 16px;border-radius:6px;font-size:14px;font-weight:600;letter-spacing:-.01em;line-height:1;text-decoration:none;user-select:none;white-space:nowrap;flex:none}
.store-gh{background:#24292f;color:#fff}
.store-gh:hover{background:#32383f}
.store-off{background:#ebeae7;color:#9b9893;cursor:not-allowed}
.store-gh svg,.store-off svg{flex:none}
.btn{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--ink);border:1px solid var(--line);padding:8px 14px;border-radius:99px;text-decoration:none;user-select:none}
.btn:hover{border-color:var(--ink);background:var(--tile)}
.btn.big{font-size:16px;padding:12px 22px;margin-top:40px}
.hero{padding-bottom:clamp(60px,8vw,120px)}
.hero-art{position:relative;max-width:1100px;margin:clamp(56px,6vw,80px) auto 0;height:clamp(520px,58vw,720px)}
.phone{position:relative;container-type:inline-size;isolation:isolate}
.phone::before{content:"";position:absolute;inset:0;border-radius:17.6cqw;background:#050505;box-shadow:inset 0 0 0 .55cqw #3d3d40,inset 0 0 0 .8cqw #1a1a1b,0 30px 50px -10px rgba(0,0,0,.3);z-index:-1}
.phone>img{display:block;width:93.2cqw;margin:3.4cqw;border-radius:14.2cqw;height:auto}
.phone::after{content:"";position:absolute;left:50%;top:5.9cqw;width:28.6cqw;height:8.4cqw;transform:translateX(-50%);border-radius:9cqw;background:#000;z-index:2}
.hero-art .phone{position:absolute;left:50%;top:0;width:clamp(240px,27vw,340px);transform:translateX(-62%)}
.hero-key{position:absolute;width:clamp(280px,34vw,460px);left:50%;top:22%;transform:translateX(-4%)}

.price{background:var(--bg2)}
.vs{display:flex;justify-content:center;gap:clamp(40px,10vw,160px);margin-top:clamp(60px,7vw,100px)}
.vs-col{display:flex;flex-direction:column;align-items:center}
.num{font-size:clamp(110px,17vw,240px);font-weight:650;letter-spacing:-.06em;line-height:.9;font-variant-numeric:tabular-nums}
.them .num{color:var(--ink3);text-decoration:line-through;text-decoration-thickness:.06em}
.who{font-size:17px;color:var(--ink2);margin-top:20px}.us .who{color:var(--ink);font-weight:600}

.tap{background:#000 radial-gradient(60% 70% at 72% 50%,rgba(255,255,255,.09),transparent 70%);color:#F2F1EE;--ink2:#8F8D88}
.tap-in{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:60px}
.tap .sub{margin-left:0}
.tap-copy h2{font-size:clamp(56px,8vw,120px)}
.phone.big{width:min(380px,100%);justify-self:center}

.bento{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:clamp(260px,26vw,360px);gap:16px;margin-top:clamp(56px,6vw,80px)}
.t{margin:0;background:var(--tile);border-radius:var(--r);overflow:hidden;position:relative;display:flex;justify-content:center}
.t figcaption{position:absolute;left:26px;top:22px;right:26px;font-size:17px;font-weight:600;letter-spacing:-.015em;z-index:2}
.t .phone.sm{width:52%;max-width:240px;margin-top:70px;align-self:flex-start}
.t .phone.sm::before{box-shadow:inset 0 0 0 .55cqw #3d3d40,inset 0 0 0 .8cqw #1a1a1b}
.t .ph{width:100%;height:100%;object-fit:cover}
.t-modes{grid-column:span 2;grid-row:span 2}.t-modes .phone.sm{width:62%;max-width:300px;margin-top:90px}
.t-var{grid-column:span 4}.t-qr{grid-column:span 2}.t-scale{grid-column:span 2}
.t-sched{grid-column:span 6}
.t-var figcaption,.t-scale figcaption{color:#111}

.key{padding:0}
.key-track{height:300vh}
.key-stage{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding-top:56px}
.key-view{position:relative;width:min(520px,84vw,58vh);aspect-ratio:560/613;margin-top:10px}
#seq{width:100%;height:100%}
.lbl{position:absolute;font-size:14px;font-weight:550;color:var(--ink2);opacity:0;transition:opacity .5s, transform .5s;transform:translateY(6px);white-space:nowrap}
.lbl::before{content:"";display:inline-block;width:28px;height:1px;background:var(--ink3);vertical-align:middle;margin-right:10px}
.l1{left:96%;top:17%}.l2{left:96%;top:44%}.l3{left:96%;top:68%}
.key.open .lbl{opacity:1;transform:none}

.paper{background:var(--bg2)}
.paper-in{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.paper-art{position:relative;display:flex;justify-content:center}
.paper-art .phone{width:min(360px,70%);margin-right:20%}
.card{position:absolute;right:0;bottom:6%;width:min(270px,48%);aspect-ratio:3/4;background:#fff;color:#111;border-radius:6px;padding:22px;display:flex;flex-direction:column;box-shadow:0 30px 60px -20px rgba(0,0,0,.35),0 2px 6px rgba(0,0,0,.08);transform:rotate(6deg)}
.card img{width:100%;margin-bottom:auto;image-rendering:pixelated}
.card b{font-size:18px;letter-spacing:-.02em;margin-top:16px}.card span{font-size:12px;color:#777;margin-top:4px}
.paper .sub{margin-left:0}

.free .sub{margin-top:28px}

.faq h2{margin-bottom:56px;font-size:clamp(36px,4vw,56px)}
details{border-top:1px solid var(--line)}details:last-child{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;padding:24px 40px 24px 0;font-size:19px;font-weight:600;letter-spacing:-.015em;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);font-weight:300;font-size:26px;color:var(--ink2);transition:transform .3s}
details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
details p{margin:0 0 26px;color:var(--ink2);max-width:60ch}

.end{padding-top:60px}
.end-key{width:220px;margin:0 auto 20px}
.end h2{font-size:clamp(32px,4.6vw,56px);max-width:16ch;margin-left:auto;margin-right:auto;text-wrap:balance}
.end .signup{margin-top:28px}

.foot{border-top:1px solid var(--line);padding:36px 0 48px;font-size:14px;color:var(--ink2)}
.foot-in{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.foot nav{display:flex;gap:22px;margin-left:auto}.foot nav a{text-decoration:none}.foot nav a:hover{color:var(--ink)}
.foot p{width:100%;margin:0;color:var(--ink3);font-size:13px}

.doc{padding:80px 0 120px}.prose{max-width:720px}
.prose h1{font-size:clamp(40px,5vw,64px);margin-bottom:12px}.prose h2{font-size:24px;letter-spacing:-.02em;margin:48px 0 10px}
.prose p,.prose li{color:var(--ink2)}.prose a{text-underline-offset:2px}
.meta{color:var(--ink3);font-size:14px}.note{display:block}

.rv{opacity:0;transform:translateY(24px);transition:opacity 1s cubic-bezier(.2,.7,.2,1),transform 1s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

@media (max-width:820px){
  .nav nav{display:none}.nav-cta{margin-left:auto}
  .hero-art{height:auto;display:flex;justify-content:center;padding-bottom:20px}
  .hero-art .phone{position:relative;left:auto;transform:translateX(-14%);width:60%;max-width:270px}
  .hero-key{width:58%;left:auto;right:-4%;top:auto;bottom:-2%;transform:none}
  .tap-in,.paper-in{grid-template-columns:1fr;gap:56px;text-align:center}
  .tap .sub,.paper .sub{margin-left:auto}
  .phone.big{width:72%}
  .paper-copy{order:-1}.paper-art .phone{width:72%}
  .bento{grid-template-columns:1fr 1fr;grid-auto-rows:250px;gap:12px}
  .card{padding:14px}.card b{font-size:14px;margin-top:10px}.card span{font-size:10px}
  .t-modes{grid-column:span 2;grid-row:span 2}.t-var{grid-column:span 2}.t-qr,.t-scale{grid-column:span 1}.t-sched{grid-column:span 2}
  .t figcaption{left:18px;top:16px;right:18px;font-size:15px}
  .t .phone.sm{width:70%;margin-top:64px}
  .lbl{display:none}
  .key-view::after{content:"Lid \00b7 NFC sticker \00b7 Base";position:absolute;left:0;right:0;bottom:-28px;text-align:center;font-size:14px;color:var(--ink2);opacity:0;transition:opacity .5s}
  .key.open .key-view::after{opacity:1}
  .signup{max-width:100%}
  .vs{gap:28px}
}

@keyframes up{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
@keyframes rise{from{opacity:0;transform:translate(-62%,60px)}to{opacity:1;transform:translateX(-62%)}}
@keyframes keyin{from{opacity:0;transform:translate(10%,30px) scale(.96)}to{opacity:1;transform:translateX(-4%)}}
.hero .eyebrow,.hero h1,.hero .lede,.hero .stores{animation:up 1s cubic-bezier(.2,.7,.2,1) both}
.hero h1{animation-delay:.06s}.hero .lede{animation-delay:.14s}.hero .stores{animation-delay:.22s}
.hero-art .phone{animation:rise 1.3s .25s cubic-bezier(.2,.7,.2,1) both}
.hero-key{animation:keyin 1.4s .45s cubic-bezier(.2,.7,.2,1) both}
@media (max-width:820px){.hero-art .phone,.hero-key{animation:up 1.2s .3s cubic-bezier(.2,.7,.2,1) both}}
@media (prefers-reduced-motion:reduce){.hero *{animation:none!important}}

.use .seg{display:inline-flex;margin-top:44px;padding:4px;border-radius:99px;background:var(--tile)}
.seg button{border:0;background:none;font:inherit;font-size:15px;font-weight:600;color:var(--ink2);padding:10px 20px;border-radius:99px;cursor:pointer;transition:background .3s,color .3s}
.seg button[aria-selected=true]{background:var(--bg);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.rules{display:flex;justify-content:center;align-items:center;gap:clamp(40px,6vw,96px);margin:clamp(48px,5vw,72px) auto 0;text-align:left}
.rphone{width:300px;flex:none}
.rphone>img{transition:opacity .45s}
.rphone>.sa{position:absolute;top:0;left:0;opacity:0}
[data-k=allow] .rphone>.sa{opacity:1}[data-k=allow] .rphone>.sb{opacity:0}
.rlist{width:min(360px,100%)}
.rB .rlist{background:var(--tile);border-radius:var(--r);padding:28px 30px}
.rlist p{margin:0 0 6px;font-size:13px;font-weight:600;color:var(--ink3);letter-spacing:.02em}
.rlist ul{list-style:none;margin:0 0 26px;padding:0}.rlist ul:last-child{margin-bottom:0}
.rlist li{display:flex;align-items:center;gap:14px;height:46px;border-bottom:1px solid var(--line);font-size:16px;font-weight:500;letter-spacing:-.01em;transition:color .4s}
.rlist li:last-child{border-bottom:0}
.rlist li i{width:30px;height:30px;border-radius:8px;background:var(--tile);display:grid;place-items:center;flex:none;transition:opacity .4s}
.rB .rlist li i{background:var(--bg)}
.rlist li svg{width:16px;height:16px;fill:var(--ink)}
.rlist li span{flex:1}
.rlist em{font-style:normal;font-size:13px;color:var(--ink3);display:none}
[data-k=block] li.b,[data-k=allow] li:not(.a){color:var(--ink3)}
[data-k=block] li.b i,[data-k=allow] li:not(.a) i{opacity:.45}
[data-k=block] li.b .st-b,[data-k=allow] li:not(.a) .st-b{display:block}
[data-k=block] li:not(.b) .st-a,[data-k=allow] li.a .st-a{display:block;color:var(--ink2)}
.use .note{margin-top:28px}
@media (max-width:820px){.rules{flex-direction:column;gap:40px}.rphone{width:64vw;max-width:280px}.rlist{width:100%}.seg button{padding:9px 14px;font-size:14px}}