@font-face{font-family:"Fraunces";font-style:normal;font-weight:400 600;font-display:swap;src:url(/fonts/fraunces-normal-latin.woff2) format("woff2")}
@font-face{font-family:"Fraunces";font-style:italic;font-weight:400;font-display:swap;src:url(/fonts/fraunces-italic-latin.woff2) format("woff2")}
@font-face{font-family:"Plex";font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Plex";font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/ibm-plex-sans-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Plex";font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2")}

/* Workbench paper, ink, and the apps' crimson as the one accent. */
:root{
  --paper:#F6F2EA; --paper-2:#EEE8DC; --card:#FBF9F4;
  --ink:#1E1A17; --soft:#4A433D; --muted:#756C64; --line:#DDD4C6;
  --crimson:#DD1B3F; --link:#B8132F; --on-crimson:#fff;
  --shadow:0 1px 0 rgba(30,26,23,.04),0 8px 24px -12px rgba(30,26,23,.18);
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Plex",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:light dark;
}
/* Chinese: the web fonts have no CJK glyphs, so Latin keeps Fraunces/Plex and Chinese falls
   back to the system's Songti (headings) and PingFang (text), as on isabellamakes.com. */
html[lang="zh-Hans"]{--serif:"Fraunces","Songti SC","STSong","Noto Serif SC","Source Han Serif SC",serif;--sans:"Plex","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
html[lang="zh-Hant"]{--serif:"Fraunces","Songti TC","Noto Serif TC","Source Han Serif TC",serif;--sans:"Plex","PingFang TC","PingFang HK","Microsoft JhengHei",sans-serif}
@media (prefers-color-scheme:dark){
  :root{
    --paper:#151311; --paper-2:#1C1916; --card:#211E1A;
    --ink:#F2EDE4; --soft:#CFC7BB; --muted:#9E958A; --line:#36312B;
    --link:#FF7088;
    --shadow:0 1px 0 rgba(0,0,0,.3),0 10px 28px -14px rgba(0,0,0,.7);
  }
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--link);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--crimson);outline-offset:3px;border-radius:6px}
h1,h2,h3{text-wrap:balance;font-family:var(--serif);font-weight:500;letter-spacing:-.015em;line-height:1.12;margin:0}
p{margin:0 0 1em}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.narrow>*{max-width:740px}
.label{font:500 12.5px/1.3 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.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(--paper);padding:8px 12px;border-radius:8px;z-index:10}
.skip:focus{left:12px}
html[lang^="zh"] body{line-height:1.75}
html[lang^="zh"] .label{letter-spacing:.04em}
html[lang^="zh"] .pitch{font-style:normal}
html[lang^="zh"] h1,html[lang^="zh"] h2,html[lang^="zh"] h3{letter-spacing:0;font-weight:600}
html[lang^="zh"] .hero h1{max-width:12em}
html[lang^="zh"] .app-hero h1{max-width:13em}

/* header / footer */
.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent}
.top-in{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font:600 18px/1 var(--sans);letter-spacing:-.01em}
.top nav{display:flex;gap:22px}
.top nav a{color:var(--soft);text-decoration:none;font-weight:500;font-size:15.5px}
.top nav a:hover{color:var(--ink)}
.top nav{margin-left:auto}
.langs{display:flex;gap:2px;padding:3px;border:1px solid var(--line);border-radius:999px}
.langs a{white-space:nowrap;font:500 12.5px/1 var(--sans);color:var(--muted);text-decoration:none;padding:6px 9px;border-radius:999px}
.langs a:hover{color:var(--ink)}
.langs a[aria-current]{background:var(--ink);color:var(--paper)}
.foot{border-top:1px solid var(--line);margin-top:24px;padding:48px 0 32px;background:var(--paper)}
.foot-in{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}
.foot-brand{display:flex;gap:12px;align-items:flex-start}
.foot-brand strong{display:block;font-weight:600}
.foot-brand span{color:var(--muted);font-size:15px}
.foot-contact{margin:14px 0 0;display:flex;flex-direction:column;gap:4px}
.foot-contact a{font-weight:500;font-size:15.5px}
.foot-col{display:flex;flex-direction:column;gap:8px}
.foot-col .label{margin-bottom:4px}
.foot-col a{color:var(--soft);text-decoration:none;font-size:15px}
.foot-col a:hover{color:var(--ink);text-decoration:underline}
.foot-fine{margin-top:40px;color:var(--muted);font-size:13.5px}

/* buttons and tags */
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:28px}
.btn{display:inline-flex;align-items:center;gap:10px;min-height:46px;padding:0 20px;border-radius:999px;border:1px solid var(--line);color:var(--ink);background:var(--card);text-decoration:none;font:500 15.5px/1 var(--sans);transition:transform .15s ease,background .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--crimson);border-color:var(--crimson);color:var(--on-crimson)}
.btn-store{background:#000;border-color:#000;color:#fff;border-radius:12px;padding:0 18px}
.btn-store span{display:flex;flex-direction:column;font-size:17px;line-height:1.1}
.btn-store small{font-size:10.5px;letter-spacing:.02em}
.tag{display:inline-block;font:500 12px/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:7px 10px;border-radius:999px;border:1px solid var(--line);color:var(--soft);background:var(--paper)}
.tag-live{border-color:var(--crimson);color:var(--link)}
.tag-beta{border-style:dashed}

/* hero */
.hero{padding:72px 0 56px}
.hero h1{font-size:clamp(2.5rem,6.2vw,4.9rem);font-weight:400;max-width:14ch;margin-top:18px}
.lede{font-size:clamp(1.08rem,1.6vw,1.25rem);color:var(--soft);max-width:58ch;margin-top:22px}
.shelf{display:flex;gap:18px;margin-top:56px;padding-bottom:18px;border-bottom:3px solid var(--ink);width:max-content;max-width:100%;flex-wrap:wrap}
.shelf a{transition:transform .2s ease}
.shelf a:hover{transform:translateY(-6px) rotate(-2deg)}
.shelf img{width:88px;height:88px;border-radius:22%;box-shadow:var(--shadow)}

/* sections */
.section{padding:64px 0}
.section-alt{background:var(--paper-2)}
.section-head{margin-bottom:32px;max-width:640px}
.section-head h2{font-size:clamp(1.9rem,3.6vw,2.7rem);margin-top:10px}
.section-head p{color:var(--soft);margin-top:12px}
.more{margin-top:24px}

/* app cards */
.apps{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.app-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:24px;color:var(--ink);text-decoration:none;box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease}
.app-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--crimson) 45%,var(--line))}
.app-card-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px}
.app-icon{border-radius:22%;box-shadow:var(--shadow)}
.app-card h3{font-size:1.9rem;margin-top:18px}
.kind{color:var(--muted);font-size:15px;margin:4px 0 14px}
.pitch{font-family:var(--serif);font-style:italic;font-size:1.15rem;line-height:1.4;color:var(--soft);flex:1}
.platforms{margin-top:8px}
/* A single app gets the whole row, with its headline larger. */
.apps .app-card:only-child{grid-column:1/-1;padding:32px}
.apps .app-card:only-child .pitch{font-size:clamp(1.3rem,2.6vw,1.9rem);max-width:28ch}
.apps-small .pitch{display:none}
.apps-small{grid-template-columns:repeat(3,1fr)}

/* principles / pillars */
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.principle{border-top:1px solid var(--ink);padding-top:18px}
.principle h3{font-size:1.45rem;margin:10px 0 8px}
.principle p{color:var(--soft)}

/* videos */
.videos{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video{color:var(--ink);text-decoration:none;display:flex;flex-direction:column;gap:8px}
.video img{aspect-ratio:16/9;object-fit:cover;border-radius:14px;width:100%;box-shadow:var(--shadow)}
.video-t{font-weight:500;line-height:1.35}
.channel-card{display:flex;align-items:center;gap:20px;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow)}
.channel-card img{border-radius:22%;flex:none}
.channel-card h3{font-size:1.4rem}
.channel-card p{color:var(--soft);margin:4px 0 0}
.channel-card .btn{margin-left:auto;flex:none}

/* notify */
.notify{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:32px}
.notify h2{font-size:1.8rem}
.notify p{color:var(--soft);margin:8px 0 0}
.notify-form{display:flex;gap:10px}
.notify-form input{flex:1;min-width:0;min-height:46px;border-radius:999px;border:1px solid var(--line);background:var(--paper);color:var(--ink);padding:0 18px;font:inherit}

/* app page */
.app-hero-in{display:grid;grid-template-columns:1.6fr 1fr;gap:56px;align-items:end}
.app-hero h1{font-size:clamp(2.2rem,4.8vw,3.9rem);max-width:17ch;margin-top:28px}
.app-id{display:flex;align-items:center;gap:18px}
.app-name{font:500 1.6rem/1.1 var(--serif);margin:6px 0 0}
.facts{margin:0;border-top:1px solid var(--ink)}
.facts div{display:grid;grid-template-columns:110px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.facts dt{font:500 12.5px/1.6 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.facts dd{margin:0;font-size:15.5px}
.shots{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 16px}
.shots img{flex:none;width:min(300px,70vw);scroll-snap-align:start;border-radius:28px;border:1px solid var(--line);box-shadow:var(--shadow)}

/* faq + documents */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:18px 32px 18px 0;font-weight:500;font-size:1.05rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:14px;font:400 1.4rem/1 var(--mono);color:var(--muted);transition:transform .2s ease}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--soft);margin:0 0 18px;max-width:62ch}
.doc h1{font-size:clamp(2.2rem,4.6vw,3.3rem);margin:14px 0 10px}
.doc h2{font-size:1.5rem;margin:36px 0 10px}
.doc ul{padding-left:1.2em;color:var(--soft)}
.doc li{margin:8px 0}
.doc .lede{margin:18px 0 24px}
.crumb{display:inline-block;color:var(--muted);text-decoration:none;font-size:15px}
.crumb:hover{color:var(--ink)}
.note{color:var(--muted);font-size:15px;margin-top:16px}

@media (max-width:880px){
  .app-hero-in{grid-template-columns:1fr;gap:36px}
  .principles,.videos,.apps-small{grid-template-columns:1fr 1fr}
  .notify{grid-template-columns:1fr}
  .foot-in{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1/-1}
}
@media (max-width:620px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .top nav{display:none}
  .langs a{padding:6px 7px}
  .top nav a{font-size:14px}
  .brand span{display:none}
  .hero{padding:44px 0 40px}
  .shelf{gap:12px;margin-top:40px}
  .shelf img{width:60px;height:60px}
  .apps,.principles,.videos,.apps-small{grid-template-columns:1fr}
  .section{padding:48px 0}
  .channel-card{flex-direction:column;align-items:flex-start}
  .channel-card .btn{margin-left:0}
  .notify-form{flex-direction:column}
  .facts div{grid-template-columns:96px 1fr}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}