@font-face{font-family:Geist;src:url(fonts/Geist-Variable.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Geist Mono";src:url(fonts/GeistMono-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
:root{--black:#000;--ink:#1D1D1F;--grey:#6E6E73;--grey-d:#A1A1A6;--line:#D2D2D7;--panel:#F5F5F7;--blue:#0066D6;--blue-d:#2997FF;--card-d:#161617;--line-d:#2C2C2E;--green:#30D158}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:56px}
body{margin:0;background:#fff;color:var(--ink);font-family:Geist,-apple-system,"Helvetica Neue",Arial,sans-serif;font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
.mono,code,pre{font-family:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,monospace}
.h{font-weight:600;letter-spacing:-.035em;margin:0}
.wrap{width:min(980px,100% - 48px);margin-inline:auto}
.wide{width:min(1180px,100% - 32px);margin-inline:auto}
.center{text-align:center}
.nw{white-space:nowrap}
.sub{color:var(--grey);font-size:clamp(19px,2vw,24px);line-height:1.45;letter-spacing:-.01em;max-width:720px;margin:24px auto 0}
.dark{background:#000;color:#F5F5F7}.dark .sub{color:var(--grey-d)}
.panel{background:var(--panel)}
section{padding:clamp(88px,11vw,160px) 0}
h2.h{font-size:clamp(40px,6vw,80px);line-height:1.05}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:12px 24px;border-radius:99px;background:var(--blue);color:#fff;font-weight:500;font-size:17px;border:0;cursor:pointer;font-family:inherit}
.btn:hover{text-decoration:none;background:#0058BA}
.btn.ghost{background:transparent;color:var(--blue);padding-inline:6px}
.dark .btn.ghost{color:var(--blue-d)}
.btn.light{background:#F5F5F7;color:var(--ink)}
sup{font-size:.55em;line-height:0}

/* nav */
.nav{position:sticky;top:0;z-index:50;height:52px;background:rgba(0,0,0,.8);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px)}
.nav .wrap{height:100%;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;color:#F5F5F7;font-weight:600;font-size:16px;letter-spacing:-.01em}
.logo:hover{text-decoration:none}
.logo img{width:22px;height:22px;border-radius:6px}
.links{display:flex;gap:34px;font-size:13px}
.links a{color:#E8E8ED}
.nav .btn{min-height:30px;padding:5px 14px;font-size:12px}
.menu{display:none;width:44px;height:44px;background:none;border:0;color:#E8E8ED;cursor:pointer;align-items:center;justify-content:center}
.drawer{display:none;position:fixed;inset:52px 0 auto 0;background:rgba(0,0,0,.94);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:12px 24px 28px;z-index:49}
.drawer a{display:block;padding:14px 0;color:#F5F5F7;font-size:24px;font-weight:600;letter-spacing:-.02em;border-bottom:1px solid var(--line-d)}
.drawer.open{display:block}

/* hero */
.hero{padding:clamp(72px,9vw,112px) 0 0;text-align:center;overflow:hidden}
.hero .name{font-size:clamp(19px,2vw,24px);font-weight:600}
.hero h1{font-size:clamp(50px,8.4vw,112px);line-height:1.02;margin:12px 0 0}
.hero .sub{margin-top:22px}
.cta{margin-top:34px;display:flex;gap:28px;justify-content:center;align-items:center;flex-wrap:wrap}
.window{width:min(980px,100% - 32px);margin:clamp(56px,7vw,88px) auto 0;background:var(--card-d);border:1px solid var(--line-d);border-bottom:0;border-radius:28px 28px 0 0;box-shadow:0 -40px 120px -20px rgba(41,151,255,.18);text-align:left;overflow:hidden}
.bar{height:50px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid var(--line-d);font-size:13px;color:var(--grey-d)}
.dots{display:flex;gap:8px}.dots i{width:12px;height:12px;border-radius:99px;background:#3A3A3C}
.live{display:flex;align-items:center;gap:8px}
.pulse{position:relative;width:8px;height:8px}
.pulse:before,.pulse:after{content:"";position:absolute;inset:0;border-radius:99px;background:var(--green)}
.pulse:before{animation:ping 2.2s cubic-bezier(0,0,.2,1) infinite}
.chat{padding:clamp(24px,4vw,44px) clamp(18px,6vw,72px) clamp(28px,4vw,56px);display:flex;flex-direction:column;gap:24px}
.q{align-self:flex-end;max-width:520px;background:var(--line-d);border-radius:22px;padding:14px 20px;font-size:clamp(16px,1.7vw,20px);line-height:1.4}
.tool{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--grey-d)}
.ans{font-size:clamp(17px,1.9vw,22px);line-height:1.5;max-width:760px}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.fact{background:var(--ink);border-radius:16px;padding:18px 20px;display:flex;flex-direction:column;gap:4px}
.fact b{font-size:clamp(26px,3vw,34px);font-weight:600;letter-spacing:-.035em}
.fact span{font-size:15px;color:var(--grey-d)}
.cite{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:16px;border-top:1px solid var(--line-d);font-size:15px;color:var(--grey-d)}
.cite .mono{color:#F5F5F7}
.s1{animation:fade .6s ease 1.5s both}.s2{animation:fade .6s ease 2.2s both}.s3{animation:fade .6s ease 2.8s both}.s4{animation:fade .6s ease 3.4s both}.s5{animation:fade .6s ease 4s both}
.l1{animation:rise 1s cubic-bezier(.16,1,.3,1) .1s both}.l2{animation:rise 1s cubic-bezier(.16,1,.3,1) .25s both}.l3{animation:rise 1s cubic-bezier(.16,1,.3,1) .4s both}.l4{animation:rise 1s cubic-bezier(.16,1,.3,1) .55s both}
.lift{animation:lift 1.4s cubic-bezier(.16,1,.3,1) .6s both}

/* stats */
.stats{margin:clamp(64px,8vw,112px) auto 0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:56px;width:min(1100px,100% - 48px)}
.stat{text-align:center;display:flex;flex-direction:column;gap:12px}
.stat b{font-size:clamp(60px,7vw,88px);font-weight:600;letter-spacing:-.04em;line-height:1}
.stat span{font-size:clamp(16px,1.5vw,19px);color:var(--grey)}

/* bento */
.bento{margin-top:clamp(48px,6vw,80px);display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:20px}
.tile{background:#fff;border-radius:30px;padding:clamp(28px,3.4vw,46px);display:flex;flex-direction:column;justify-content:space-between;gap:28px;min-height:340px;transition:transform .5s cubic-bezier(.16,1,.3,1)}
.tile:hover{transform:scale(1.012)}
.tile.d{background:#000;color:#F5F5F7}
.tile h3{font-size:clamp(26px,2.6vw,34px)}
.tile p{margin:8px 0 0;color:var(--grey);font-size:17px}
.tile.d p{color:var(--grey-d)}
.span4{grid-column:span 4}.span3{grid-column:span 3}.span2{grid-column:span 2}
.quote{font-size:clamp(28px,3vw,38px);line-height:1.25;letter-spacing:-.02em}.quote i{font-style:normal;color:#C7C7CC}
.big{font-size:clamp(72px,7vw,96px);font-weight:600;letter-spacing:-.045em;line-height:.95}
.ref{font-size:clamp(24px,2.3vw,30px);line-height:1.3;letter-spacing:-.02em}.ref em{font-style:normal;color:var(--blue)}
.types{display:flex;flex-direction:column;gap:12px}
.types div{display:flex;align-items:center;gap:14px}
.tag{width:54px;padding:5px 0;text-align:center;border-radius:8px;font-size:14px}
.week{display:flex;gap:10px}
.week div{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:14px;color:var(--grey)}
.week i{width:44px;height:44px;border-radius:99px;background:#E8E8ED;position:relative}
.week .mo i{background:var(--blue)}.week .mo{color:var(--blue);font-weight:600}
.week .mo i:before{content:"";position:absolute;inset:0;border-radius:99px;background:var(--blue);animation:ping 2.2s cubic-bezier(0,0,.2,1) infinite;opacity:.25}
.translate{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:clamp(20px,2.2vw,26px);letter-spacing:-.02em}
.translate svg{animation:slide 2.8s ease-in-out infinite}

/* books */
.books{margin:clamp(56px,7vw,96px) auto 0;width:min(980px,100% - 48px);border-top:1px solid var(--line-d)}
.book{display:flex;align-items:baseline;gap:32px;padding:24px 0;border-bottom:1px solid var(--line-d)}
.book b{flex:1;font-size:clamp(24px,3vw,40px);font-weight:600;letter-spacing:-.03em}
.book span{width:360px;font-size:16px;color:#86868B}
.book .mono{width:80px;text-align:right;color:#F5F5F7;font-size:16px}

/* install */
.tabs{margin:clamp(48px,6vw,72px) auto 0;width:min(860px,100% - 32px)}
.tablist{display:flex;gap:6px;padding:6px;background:var(--panel);border-radius:99px;overflow-x:auto;scrollbar-width:none}
.tablist::-webkit-scrollbar{display:none}
.tablist button{flex:1;min-height:44px;padding:10px 18px;border:0;border-radius:99px;background:transparent;font:inherit;font-size:15px;font-weight:500;color:var(--ink);cursor:pointer;white-space:nowrap}
.tablist button[aria-selected=true]{background:#fff;box-shadow:0 2px 10px -4px rgba(0,0,0,.2)}
.panelbox{margin-top:20px;background:var(--panel);border-radius:28px;padding:clamp(24px,4vw,44px)}
.panelbox[hidden]{display:none}
.panelbox h3{font-size:clamp(24px,2.6vw,30px)}
.panelbox .lead{color:var(--grey);margin:8px 0 0}
.copyrow{margin-top:24px;display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:8px 8px 8px 18px}
.copyrow code{flex:1;min-width:0;overflow-x:auto;white-space:nowrap;font-size:15px;scrollbar-width:thin}
.copy{min-height:40px;padding:8px 16px;border-radius:12px;border:0;background:var(--ink);color:#fff;font:inherit;font-size:14px;font-weight:500;cursor:pointer;flex-shrink:0}
.copy.done{background:#248A3D}
pre.block{margin:24px 0 0;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px;font-size:14px;line-height:1.7;overflow-x:auto}
.blockwrap{position:relative}.blockwrap .copy{position:absolute;top:10px;right:10px}
ol.steps{margin:28px 0 0;padding:0;list-style:none;counter-reset:s;display:grid;gap:14px}
ol.steps li{counter-increment:s;display:flex;gap:14px;align-items:flex-start}
ol.steps li:before{content:counter(s);flex-shrink:0;width:28px;height:28px;border-radius:99px;background:var(--ink);color:#fff;font-size:14px;font-weight:600;display:flex;align-items:center;justify-content:center;margin-top:1px}
.note{margin-top:22px;font-size:15px;color:var(--grey)}
.soon{margin-top:24px;padding:18px 20px;border-radius:16px;background:#fff;border:1px dashed var(--line);color:var(--grey)}
.dl{margin-top:26px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.dl .btn svg{flex-shrink:0}

/* try */
.prompts{margin:clamp(40px,5vw,64px) auto 0;width:min(860px,100% - 32px);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.prompt{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px 22px 18px;display:flex;flex-direction:column;justify-content:space-between;gap:18px;font-size:18px;line-height:1.4;letter-spacing:-.01em}
.prompt .copy{align-self:flex-start;background:transparent;color:var(--blue);padding:0;min-height:32px}
.prompt .copy.done{color:#248A3D;background:transparent}

/* faq */
.faq{margin:clamp(40px,5vw,64px) auto 0;width:min(860px,100% - 48px);border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 36px 22px 0;font-size:clamp(18px,1.8vw,21px);font-weight:600;letter-spacing:-.015em;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:4px;top:18px;font-size:26px;font-weight:400;color:var(--grey);transition:transform .3s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq details p{margin:0 0 22px;color:var(--grey);max-width:720px}

/* footer */
footer{background:var(--panel);padding:0 0 44px;font-size:12px;line-height:1.6;color:var(--grey)}
footer .wrap{border-top:1px solid var(--line);padding-top:22px;display:flex;flex-direction:column;gap:8px}
footer .bottom{margin-top:12px;padding-top:16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
footer .bottom a{color:#424245;margin-left:20px}footer .bottom a:first-child{margin-left:0}

/* motion */
@keyframes rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
@keyframes lift{from{opacity:0;transform:translateY(80px) scale(.97)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes ping{0%{transform:scale(1);opacity:.6}100%{transform:scale(2.6);opacity:0}}
@keyframes slide{0%,20%{transform:translateX(0);opacity:1}45%,55%{transform:translateX(10px);opacity:.5}80%,100%{transform:translateX(0);opacity:1}}
.js .rv{opacity:0;transform:translateY(28px);transition:opacity .9s cubic-bezier(.16,1,.3,1),transform .9s cubic-bezier(.16,1,.3,1)}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}.js .rv{opacity:1;transform:none}}

/* responsive */
@media (max-width:1068px){.span4,.span2{grid-column:span 3}.book span{width:260px}}
@media (max-width:734px){
.links,.nav .btn{display:none}.menu{display:flex}
.facts{grid-template-columns:1fr}.fact{flex-direction:row;align-items:baseline;gap:12px}.fact b{width:96px;flex-shrink:0}
.stats{grid-template-columns:1fr;gap:48px}
.bento{grid-template-columns:1fr;gap:14px}.span4,.span3,.span2{grid-column:auto}.tile{min-height:0;border-radius:26px}
.book{flex-wrap:wrap;gap:4px 16px;padding:18px 0}.book b{flex:1 1 auto}.book span{order:3;width:100%;font-size:14px}.book .mono{width:auto;font-size:14px}
.prompts{grid-template-columns:1fr}
.cite{flex-direction:column;gap:6px}
.cta{flex-direction:column;gap:16px}
.tablist{display:grid;grid-template-columns:1fr 1fr;border-radius:24px}.tablist button{padding:10px 8px;font-size:14px}
}