/* Layout: two screens. Screen one = who + mission (left) and two fanned photo cards (right).
   Screen two = four selected works with their teaser videos, then experience and updates side by side.
   One look: ink ground, paper text, bronze accents. */

@font-face{font-family:"Barlow Semi Condensed";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/barlow-semi-condensed-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"Barlow Semi Condensed";font-style:normal;font-weight:600;font-display:swap;src:url("fonts/barlow-semi-condensed-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Sans";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:"IBM Plex Sans";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:"IBM Plex Sans";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:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
/* latin-ext carries the IPA symbols of the name's pronunciation */
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/ibm-plex-mono-latin-ext-400-normal.woff2") format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2")}
/* Instrument Serif italic: the human voice of the photo notes */
@font-face{font-family:"Instrument Serif";font-style:italic;font-weight:400;font-display:swap;src:url("fonts/instrument-serif-latin-400-italic.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Instrument Serif";font-style:italic;font-weight:400;font-display:swap;src:url("fonts/instrument-serif-latin-ext-400-italic.woff2") format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

:root{
  --bg:#0E0F11; --surface:#16181B; --line:rgba(243,242,238,.10); --line-2:rgba(243,242,238,.22);
  --fg:#F3F2EE; --fg-2:#BDBAB2; --muted:#8A877F; --bronze:#B0713A; --link:#CB8C52;
  --display:"Barlow Semi Condensed","Arial Narrow","Helvetica Neue",Arial,sans-serif;
  --body:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --ease:cubic-bezier(.2,.8,.2,1);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;overflow-x:clip;background:var(--bg);color:var(--fg);font-family:var(--body);font-size:16.5px;line-height:1.6;-webkit-font-smoothing:antialiased}
img,video{max-width:100%}
a{color:var(--link);text-decoration:none}
a:hover{color:var(--fg)}
a:focus-visible,.photo:focus-visible{outline:2px solid var(--bronze);outline-offset:3px;border-radius:4px}
::selection{background:var(--bronze);color:var(--fg)}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}
.label{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}

/* Screen one */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;padding-block:76px 68px}
.hero-text{max-width:560px}
.id{position:relative;z-index:5;display:flex;align-items:center;gap:16px;margin-bottom:40px}
/* Avatar: a 72px window on the face; hover (or tap) grows it in place into a 240px disc of the whole scene.
   The face spans 29.63% of the disc image, from (32.87%, 35.65%): size = 72 / .2963, offsets = size * those fractions. */
.avatar{position:relative;flex:none;width:72px;height:72px;cursor:zoom-in;border-radius:50%}
.avatar .disc{position:absolute;left:0;top:0;width:72px;height:72px;border-radius:50%;border:1px solid var(--line-2);background:var(--surface) url("img/silverstone-disc.jpg") no-repeat;background-size:243px 243px;background-position:-79.9px -86.6px;transition:width .55s var(--ease),height .55s var(--ease),background-size .55s var(--ease),background-position .55s var(--ease),box-shadow .55s ease,border-color .55s ease}
.avatar:hover .disc,.avatar:focus-visible .disc,.avatar.open .disc{width:240px;height:240px;background-size:240px 240px;background-position:0 0;border-color:rgba(176,113,58,.6);box-shadow:0 24px 60px rgba(0,0,0,.55)}
.name{margin:0;font-family:var(--display);font-size:26px;font-weight:600;line-height:1.1}
.name .zh{margin-left:8px;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;font-weight:400;color:var(--muted)}
.name .ipa{margin-left:12px;font-family:var(--mono);font-size:13.5px;font-weight:400;letter-spacing:.02em;color:var(--link);white-space:nowrap;cursor:help}
.status{display:flex;align-items:center;gap:8px;margin-top:6px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--bronze);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(176,113,58,.6)}70%{box-shadow:0 0 0 9px rgba(176,113,58,0)}100%{box-shadow:0 0 0 0 rgba(176,113,58,0)}}
h1{margin:0 0 20px;font-family:var(--display);font-size:clamp(32px,3.3vw,48px);font-weight:600;line-height:1.04;letter-spacing:-.005em;text-wrap:balance}
h1 .tone{color:var(--link)}
.lede{margin:0 0 30px;font-size:17px;line-height:1.72;color:var(--fg-2)}
.lede em,.lede b{font-style:normal;font-weight:500;color:var(--fg)}
.cta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px}
.btn{display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 18px;border-radius:3px;background:var(--fg);color:var(--bg);font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;transition:background-color .2s ease}
.btn:hover{color:var(--bg);background:var(--link)}
.btn .arr{transition:transform .25s var(--ease)}
.btn:hover .arr{transform:translateX(3px)}
.social{display:flex;flex-wrap:wrap;gap:8px 20px;font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase}
.social a{display:inline-flex;align-items:center;gap:7px;color:var(--fg-2)}
.ico{flex:none;width:15px;height:15px;fill:currentColor}
.ico.cal{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.social a:hover{color:var(--link)}
.facts{display:grid;grid-template-columns:max-content minmax(0,1fr);align-items:baseline;gap:8px 16px;margin:40px 0 0;padding-top:18px;border-top:1px solid var(--line);font-size:14.5px;color:var(--fg-2)}
.facts dt,.facts dd{margin:0}
.facts b{font-weight:500;color:var(--fg)}

/* Load-in: text rises in order */
@keyframes rise{from{opacity:0;transform:translateY(16px)}}
.reveal{animation:rise .8s var(--ease) backwards}
.d1{animation-delay:.05s}.d2{animation-delay:.15s}.d3{animation-delay:.25s}.d4{animation-delay:.35s}.d5{animation-delay:.45s}

/* Two fanned photo cards: the side the pointer is on comes forward, straightens and tilts with the pointer */
.gallery{position:relative;width:100%;max-width:540px;justify-self:end}
.gallery::before{content:"";position:absolute;left:6%;right:6%;top:8%;bottom:4%;border-radius:50%;background:radial-gradient(closest-side,rgba(176,113,58,.32),rgba(176,113,58,0));filter:blur(30px);animation:breathe 7s ease-in-out infinite;pointer-events:none}
@keyframes breathe{0%,100%{opacity:.55;transform:scale(.96)}50%{opacity:.95;transform:scale(1.04)}}
.stack{position:relative;z-index:1;width:100%;max-width:100%;aspect-ratio:50/43;--rx:0deg;--ry:0deg}
.photo{position:absolute;top:6%;width:57%;aspect-ratio:4/5;margin:0;overflow:hidden;border-radius:12px;background:var(--surface);box-shadow:0 18px 40px rgba(0,0,0,.45),0 0 0 1px rgba(243,242,238,.08);transform-origin:50% 100%;transition:transform .5s var(--ease),filter .5s ease,box-shadow .5s ease;cursor:pointer}
.photo img{display:block;width:100%;height:100%;object-fit:cover;pointer-events:none}
.photo::after{content:"";position:absolute;inset:-20%;background:linear-gradient(115deg,rgba(255,255,255,0) 42%,rgba(255,255,255,.16) 50%,rgba(255,255,255,0) 58%);opacity:0;pointer-events:none}
.photo.l{left:4%;transform:perspective(1000px) rotateX(0deg) rotateY(0deg) translate3d(-5%,0,0) rotate(-9deg) scale(1);animation:deal-l 1s var(--ease) .35s backwards}
.photo.r{right:4%;transform:perspective(1000px) rotateX(0deg) rotateY(0deg) translate3d(5%,0,0) rotate(9deg) scale(1);animation:deal-r 1s var(--ease) .2s backwards}
.photo:not(.on){z-index:1;filter:brightness(.75) saturate(.92)}
.photo.on{z-index:2;filter:none;box-shadow:0 30px 70px rgba(0,0,0,.6),0 0 0 1px rgba(176,113,58,.5)}
.photo.l.on{transform:perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry)) translate3d(0,-12px,0) rotate(-1.5deg) scale(1.05)}
.photo.r.on{transform:perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry)) translate3d(0,-12px,0) rotate(1.5deg) scale(1.05)}
.photo.on::after{animation:sheen 1.1s ease .05s}
.gallery-note{position:relative;z-index:1;max-width:470px;margin:4px auto 0;text-align:center}
.note-k{display:block;margin-bottom:9px;font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--link)}
.note-s{display:block;font-family:var(--serif);font-style:italic;font-size:19px;line-height:1.35;color:var(--fg);text-wrap:balance}
@keyframes sheen{0%{opacity:0;transform:translateX(-45%)}35%{opacity:1}100%{opacity:0;transform:translateX(45%)}}
@keyframes deal-l{from{opacity:0;transform:perspective(1000px) rotateX(0deg) rotateY(0deg) translate3d(-12%,80px,0) rotate(-22deg) scale(.9)}}
@keyframes deal-r{from{opacity:0;transform:perspective(1000px) rotateX(0deg) rotateY(0deg) translate3d(12%,80px,0) rotate(22deg) scale(.9)}}

/* Screen two */
.work{padding-block:56px 8px}
.head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 24px;margin-bottom:22px}
h2{margin:0;font-family:var(--display);font-size:26px;font-weight:600;line-height:1.1}
.proof{margin:0;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--fg-2)}
.proof b{font-weight:500;color:var(--link)}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.card{min-width:0}
.media{position:relative;overflow:hidden;aspect-ratio:16/10;max-width:100%;border:1px solid var(--line);border-radius:8px;background:var(--surface);transition:border-color .25s ease,transform .35s var(--ease)}
.media video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.media.right video{object-position:100% 50%}
.media.fit,.media.fit video{background:#fff}
.media.fit video{object-fit:contain}
.card:hover .media{border-color:var(--bronze);transform:translateY(-4px)}
.card:hover .media video{transform:scale(1.04)}
.venue{margin-top:12px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--link)}
.card h3{margin:3px 0 4px;font-family:var(--display);font-size:22px;font-weight:600;line-height:1.1}
.card p{margin:0 0 8px;font-size:14px;line-height:1.5;color:var(--fg-2)}
.links{display:flex;flex-wrap:wrap;gap:4px 14px;font-family:var(--mono);font-size:11.5px;letter-spacing:.04em}

.more{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:56px;padding-block:48px 40px}
.more h2{margin-bottom:12px}
.rows{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.rows li{display:grid;grid-template-columns:78px minmax(0,1fr);gap:16px;align-items:baseline;padding-block:9px;border-bottom:1px solid var(--line);font-size:15px;color:var(--fg-2)}
.rows .d{font-family:var(--mono);font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.rows b{font-weight:500;color:var(--fg)}
.rows .now .d{color:var(--link)}

footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;padding-block:18px 28px;border-top:1px solid var(--line);font-size:13.5px;color:var(--muted)}
footer .mail{user-select:all;color:var(--fg-2)}

/* Founder / Research switch. Research is the classic page in a full-screen frame over this one. */
.mode{position:fixed;z-index:60;top:calc(14px + env(safe-area-inset-top,0px));right:calc(16px + env(safe-area-inset-right,0px));display:flex;gap:2px;padding:4px;border:1px solid rgba(243,242,238,.18);border-radius:999px;background:rgba(14,15,17,.86);box-shadow:0 8px 24px rgba(0,0,0,.3);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.mode-btn{padding:6px 14px;border-radius:999px;font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:rgba(243,242,238,.72);transition:background-color .25s ease,color .25s ease}
.mode-btn:hover{color:#F3F2EE}
.mode-btn.on{background:#F3F2EE;color:#0E0F11}
.research-frame{position:fixed;top:0;left:0;z-index:50;width:100%;height:100%;border:0;background:#fff;transform-origin:0 0;opacity:0;visibility:hidden;transition:opacity .35s ease,visibility .35s ease}
html.is-research{overflow:hidden}
html.is-research .research-frame{opacity:1;visibility:visible}

@media (max-width:1000px){.grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:28px}}
@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr;gap:36px;padding-block:44px 48px}
  .hero-text{max-width:none}
  .gallery{justify-self:center;max-width:460px}
  .more{grid-template-columns:1fr;gap:40px}
}
@media (max-width:520px){.grid{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){
  .reveal,.photo.l,.photo.r,.photo.on::after,.gallery::before,.dot{animation:none}
  .photo,.media,.media video,.btn,.btn .arr,.avatar .disc,.mode-btn,.research-frame{transition:none}
}