:root{--paper:#fdfdfc;--ink:#111112;--muted:#626a78;--line:#e9e9e7;--serif:'Iowan Old Style','Palatino Linotype','Book Antiqua',Palatino,Georgia,serif;--sans:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--blue:#0070e8;--received:#e9e9eb}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:40px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;-webkit-font-smoothing:antialiased}
::selection{background:#d9eaff;color:#111112}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
button,a,summary{-webkit-tap-highlight-color:transparent;touch-action:manipulation}
a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex='0']:focus-visible{outline:2px solid #0070e8;outline-offset:6px;border-radius:3px}
h1,h2,p{margin-top:0}
h1,h2{font-family:var(--serif);font-weight:400}
em{font-style:normal;font-weight:400}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.skip-link{position:fixed;top:12px;left:12px;z-index:10;background:#fff;color:#111;padding:12px;transform:translateY(-180%)}
.skip-link:focus{transform:translateY(0)}
.wrap{width:calc(100% - 52px);margin-inline:auto}
.content-wrap{width:min(1040px,calc(100% - 48px));margin-inline:auto}
.header{position:absolute;inset:22px 0 auto;z-index:2;display:flex;justify-content:space-between;align-items:center;color:#f4f3f0}
.wordmark{font-family:var(--serif);font-size:30px;letter-spacing:-1.1px;line-height:1}
.header nav{display:flex;align-items:center;gap:18px}
.sign-in{font-size:14px}
.sign-in:hover{opacity:.7}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:56px;padding:16px 32px;border:0;border-radius:999px;font-size:14px;font-weight:400;line-height:1.4;background:#191919;color:#f4f3f0;transition:background .2s,transform .2s}
.button:hover{background:#333;transform:translateY(-1px)}
.button-small{min-height:44px;padding:10px 21px}
.header .button,.hero .button{background:#f4f3f0;color:#191919}
.header .button:hover,.hero .button:hover{background:#fff}
.hero{position:relative;height:100svh;min-height:640px;overflow:hidden;background:#050505;color:#f4f2ee;text-align:center}
.hero-art{position:absolute;left:50%;top:34%;width:min(800px,90svh);aspect-ratio:1;transform:translate(-50%,-50%);pointer-events:none;mask-image:radial-gradient(ellipse at center,#000 43%,transparent 71%)}
.hero-mascot{display:block;width:100%;height:100%;object-fit:contain}
.hero h1{position:absolute;left:24px;right:24px;bottom:25vh;font-size:clamp(24px,2.3vw,34px);line-height:1.22;letter-spacing:-.025em;margin:0;color:#f4f2ee}
.hero>.button{position:absolute;left:50%;bottom:calc(25vh - 80px);width:max-content;max-width:calc(100% - 48px);transform:translateX(-50%)}
.hero>.button:hover{transform:translate(-50%,-1px)}
.explore{position:absolute;bottom:24px;left:26px;right:26px;display:flex;align-items:center;gap:22px;font-size:13px;color:#f4f3f0;text-align:left}
.explore:after{content:'';height:1px;flex:1;background:#ffffff35}
.possibilities{padding:clamp(150px,20vw,290px) 0 120px}
.section-intro{text-align:center}
h2{font-size:clamp(46px,5.4vw,76px);line-height:1.16;letter-spacing:-.035em;margin-bottom:0}
.section-intro h2{max-width:720px;margin-inline:auto}
.section-intro>p{max-width:560px;margin:clamp(90px,12vw,170px) auto 0;font-size:17px;line-height:1.9;color:#363a41;text-align:left}
.demo-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:100px;margin-top:100px;align-items:start}
.example-picker{display:flex;flex-direction:column;align-items:stretch;padding-top:130px;gap:8px}
.example-tab{display:block;text-align:left;min-height:56px;padding:14px 0;background:none;border:0;cursor:pointer;color:var(--muted);font-size:16px;line-height:1.6;transition:color .2s}
.example-tab:hover,.example-tab[aria-selected='true']{color:var(--ink)}
.example-tab[aria-selected='true']>span{text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:1px}
.conversation{min-width:0;min-height:420px}
.conversation-header{display:flex;flex-direction:column;align-items:center;gap:7px;margin-bottom:30px;line-height:1.3}
.conversation-avatar{position:relative;display:block;width:64px;height:64px;margin-bottom:3px;overflow:hidden;border-radius:50%;background:#050505;box-shadow:0 0 0 1px #d8873930,0 3px 16px #ed8b2520}
.conversation-avatar img{position:absolute;top:50%;left:50%;display:block;width:172%;height:172%;max-width:none;transform:translate(-50%,-50%)}
.conversation-name{font-size:15px;font-weight:500}
.conversation-service{font-size:12px;color:var(--muted)}
.conversation-body{display:flex;flex-direction:column;align-items:flex-start;gap:9px;min-height:300px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:16px;line-height:1.45}
.message{position:relative;max-width:86%;width:fit-content;margin:0;padding:12px 17px;border-radius:20px;overflow-wrap:anywhere}
.message-outgoing{align-self:flex-end;background:var(--blue);color:white;border-bottom-right-radius:5px;margin-bottom:9px}
.message-incoming{align-self:flex-start;background:var(--received);color:#111112;border-bottom-left-radius:5px}
.example-caption{font-size:12px;line-height:1.6;color:var(--muted);margin:28px 0 0;text-align:center}
.closer{padding:130px 0 70px;text-align:center}
.closer-layout h2{max-width:760px;margin-inline:auto}
.closer-copy{max-width:560px;margin:70px auto 0;color:#363a41;font-size:17px;line-height:1.9;text-align:left}
.closer-copy p{margin-bottom:28px}
.principles{display:flex;justify-content:space-between;gap:28px;margin-top:70px;text-align:left}
.principles p{font-size:15px;line-height:1.7;margin:0}
.questions{padding:120px 0;max-width:640px}
.eyebrow{font-family:var(--sans);font-size:14px;font-weight:400;line-height:1.6;letter-spacing:0;text-transform:none;color:var(--muted);margin-bottom:25px}
details{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:78px;font-size:16px;line-height:1.6}
summary::-webkit-details-marker{display:none}
.plus{flex:0 0 12px;width:12px;height:12px;position:relative}
.plus:before,.plus:after{content:'';position:absolute;background:#626a78}
.plus:before{width:12px;height:1px;top:5.5px;left:0}
.plus:after{height:12px;width:1px;top:0;left:5.5px;transition:transform .2s}
details[open] .plus:after{transform:rotate(90deg)}
details p{font-size:15px;line-height:1.8;color:#363a41;padding:0 25px 24px 0;margin:0}
details p a{text-decoration:underline;text-underline-offset:3px}
.invitation{padding:120px 0 170px;text-align:center}
.invitation h2{margin-bottom:42px}
.footer{display:flex;justify-content:space-between;align-items:baseline;gap:30px;padding:24px 0;color:#626a78;font-size:12.5px}
.footer .wordmark{font-size:24px;color:#111112}
.footer p{font-size:12px;line-height:1.6;margin:15px 0 0}
.footer-right{text-align:right}
.footer nav{display:flex;gap:18px;flex-wrap:wrap;font-size:12.5px}
.footer a:hover{color:#111112}
@media(max-width:900px){.demo-layout{gap:50px}.example-tab{font-size:15px}.principles{gap:18px}.principles p{font-size:14px}}
@media(max-width:640px){
  html{scroll-padding-top:24px}
  .wrap{width:calc(100% - 36px)}
  .content-wrap{width:calc(100% - 40px)}
  .header{top:18px}.header nav{gap:12px}.wordmark{font-size:27px}.sign-in{font-size:13px}.button-small{padding-inline:17px;font-size:13px}
  .hero{min-height:620px}.hero-art{top:33%;width:min(130vw,70svh)}.hero h1{bottom:27vh;font-size:28px}.hero>.button{bottom:calc(27vh - 80px)}.explore{left:18px;right:18px;gap:18px;font-size:12px}
  .possibilities{padding:125px 0 65px}h2{font-size:clamp(42px,13vw,58px);line-height:1.08}.section-intro>p{font-size:16px;line-height:1.8;margin-top:80px}
  .demo-layout{grid-template-columns:1fr;gap:44px;margin-top:48px}.example-picker{padding:0;gap:0}.example-tab{min-height:52px;padding-block:11px;font-size:15px}.conversation{max-width:460px;width:100%;margin-inline:auto;min-height:0}.conversation-body{min-height:0}.conversation-header{margin-bottom:26px}.message{max-width:86%;padding:11px 15px}.example-caption{margin-top:24px}
  .closer{padding:85px 0 45px}.closer-copy{font-size:16px;line-height:1.8;margin-top:45px}.principles{flex-direction:column;gap:18px;margin-top:45px}.principles p{font-size:15px}
  .questions{padding:65px 0 85px}.eyebrow{font-size:13px}summary{font-size:15px;min-height:72px}details p{font-size:14px}
  .invitation{padding:65px 0 115px}.invitation h2{margin-bottom:35px}.footer{width:calc(100% - 40px);flex-direction:column;gap:24px;padding:24px 0}.footer-right{text-align:left}.footer p{font-size:11px}.footer nav{gap:18px;font-size:12px}
}
@media(max-width:360px){.header nav{gap:10px}.button-small{padding-inline:12px;font-size:12px}.wordmark{font-size:25px}.hero h1{font-size:25px}.message{max-width:88%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}