:root{
  color-scheme:dark;
  --bg:#141413;
  --text:#f4f3ee;
  --muted:#b3b2aa;
  --line:#3b3b36;
  --warm:#dcc4a1;
  font-family:"Helvetica Neue","PingFang TC","Noto Sans TC",sans-serif;
  font-synthesis:none}

*{
  box-sizing:border-box}
html{
  scroll-behavior:smooth;
  scroll-padding-top:30px}
body{
  margin:0;
  background:var(--bg);
  color:var(--text)}
a{
  color:inherit;
  text-decoration:none}
button{
  font:inherit}
img{
  max-width:100%;
  display:block}
figure,p,h1,h2{
  margin:0}
p{
  line-height:1.8}
button,a{
  -webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible{
  outline:2px solid var(--warm);
  outline-offset:6px}
.shell{
  width:min(1280px,calc(100% - 104px));
  margin-inline:auto}
.skip{
  position:absolute;
  top:-100px;
  left:24px;
  background:var(--text);
  color:var(--bg);
  padding:12px;
  z-index:5}
.skip:focus{
  top:12px}
.nav{
  height:100px;
  display:flex;
  justify-content:space-between;
  align-items:center}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-size:20px;
  font-weight:500;
  letter-spacing:.18em;
  white-space:nowrap;
  min-height:44px}
.brand img{
  border-radius:8px}
.nav nav{
  display:flex;
  gap:40px;
  align-items:center;
  font-size:14px}
.nav-download{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  border-bottom:1px solid var(--muted);
  padding-block:9px}
.nav-download span{
  margin-left:18px}
.hero{
  display:grid;
  grid-template-columns:1.08fr 1fr;
  align-items:center;
  min-height:710px;
  padding-block:30px 90px;
  gap:42px}
.signature{
  font-family:Georgia,"Times New Roman",serif;
  font-style:italic;
  font-size:20px;
  color:var(--warm);
  margin-bottom:22px}
.hero h1{
  font-size:clamp(32px,3.9vw,58px);
  line-height:1.45;
  letter-spacing:.025em;
  font-weight:400}
.intro{
  font-size:18px;
  color:var(--muted);
  margin-block:30px 36px}
.button{
  display:inline-flex;
  gap:32px;
  justify-content:space-between;
  align-items:center;
  padding:18px 24px;
  background:var(--text);
  color:var(--bg);
  border-radius:3px;
  font-size:16px}
.fine{
  font-size:13px;
  color:var(--muted);
  margin-top:18px}
.hero-photo{
  align-self:stretch;
  position:relative;
  background:#292c29;
  min-width:0}
.hero-photo img{
  width:100%;
  height:100%;
  max-height:650px;
  object-fit:cover}
.hero-photo figcaption{
  position:absolute;
  bottom:0;
  inset-inline:0;
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:45px 25px 22px;
  background:linear-gradient(transparent,rgba(0,0,0,.7));
  font-size:13px}
.hero-photo figcaption span:first-child{
  letter-spacing:.18em}
.films{
  padding-block:80px 90px;
  border-top:1px solid var(--line)}
.section-heading{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:30px;
  margin-bottom:42px}
.section-heading .signature{
  margin-bottom:12px}
h2{
  font-size:clamp(28px,3.1vw,44px);
  font-weight:400;
  line-height:1.5;
  letter-spacing:.025em}
.section-heading>p{
  font-size:15px;
  color:var(--muted)}
.film-stage{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:58px}
.film-result{
  position:relative;
  align-self:start;
  background:#282d2b}
.film-result img{
  width:100%;
  height:auto;
  aspect-ratio:902/1084;
  object-fit:cover}
.film-result figcaption{
  position:absolute;
  bottom:0;
  inset-inline:0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:48px 25px 22px;
  background:linear-gradient(transparent,rgba(0,0,0,.7));
  letter-spacing:.12em;
  font-size:16px}
#film-tier{
  font-size:12px;
  color:#f2d2a3}
.film-details{
  min-width:0;
  display:flex;
  flex-direction:column;
  justify-content:center}
.film-description{
  margin-bottom:24px}
.film-count{
  font-size:15px;
  color:var(--warm)}
#film-summary{
  font-size:22px;
  line-height:1.5;
  margin-top:10px}
.film-instruction{
  font-size:13px;
  color:var(--muted);
  margin-top:12px;
  min-height:24px}
.film-picker{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:8px}
.film-choice{
  min-height:49px;
  text-align:left;
  padding:10px 8px;
  background:transparent;
  border:1px solid transparent;
  color:var(--muted);
  cursor:pointer;
  border-radius:2px;
  font-size:14px;
  display:grid;
  grid-template-columns:7px 1fr;
  align-items:center;
  column-gap:7px;
  row-gap:3px;
  white-space:nowrap}
.film-choice::before{
  content:"";
  width:7px;
  height:7px;
  flex-shrink:0;
  background:var(--swatch);
  border-radius:50%}
.film-choice[aria-pressed=true]{
  border-color:#8f9289;
  color:var(--text);
  background:#242621}
.film-choice:hover{
  color:var(--text);
  background:#22231f}
.film-choice small{
  font-size:11px;
  color:var(--warm);
  grid-column:2}
.provenance{
  font-size:12px;
  color:var(--muted);
  margin-top:20px}
.in-use{
  display:grid;
  grid-template-columns:.85fr 1fr;
  gap:100px;
  align-items:center;
  padding-block:75px 120px;
  border-top:1px solid var(--line)}
.phone{
  justify-self:center;
  width:min(100%,290px);
  border:1px solid #53544f;
  border-radius:40px;
  padding:10px;
  background:#080808;
  box-shadow:0 25px 60px #0005}
.phone img{
  width:100%;
  height:auto;
  border-radius:30px}
.use-copy>p:not(.signature){
  margin-block:24px 30px;
  color:var(--muted);
  font-size:17px}
.photo-pair{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  max-width:400px}
.photo-pair img{
  width:100%;
  height:auto;
  aspect-ratio:4/3;
  object-fit:cover}
.photo-pair figcaption{
  font-size:12px;
  letter-spacing:.12em;
  margin-top:10px;
  color:var(--muted)}
.download{
  padding-block:85px 100px;
  text-align:center;
  border-top:1px solid var(--line)}
.download>p:not(.signature){
  margin-block:24px 32px;
  color:var(--muted);
  font-size:16px}
.store-links{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:16px}
.store{
  display:flex;
  text-align:left;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:13px 18px;
  border:1px solid #77796f;
  border-radius:6px;
  min-width:218px;
  font-size:21px}
.store small{
  display:block;
  font-size:11px;
  margin-bottom:3px;
  color:var(--muted)}
.store svg{
  width:26px;
  height:29px;
  fill:currentColor}
.store>span:last-child{
  font-size:18px;
  color:var(--muted)}
.footer{
  padding-block:32px 40px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:24px}
.footer .brand{
  font-size:16px}
.footer>p{
  font-size:13px;
  color:var(--muted)}
.footer nav{
  display:flex;
  gap:24px;
  margin-left:auto;
  font-size:13px;
  color:var(--muted)}
.footer nav a{
  display:inline-flex;
  align-items:center;
  min-height:44px}
.footer>small{
  flex-basis:100%;
  color:var(--muted);
  font-size:12px}

@media(max-width:1050px){
  .shell{
  width:calc(100% - 64px)}
.hero{
  gap:30px;
  min-height:600px}
.hero h1{
  font-size:38px}
.film-stage{
  gap:30px}
.film-picker{
  grid-template-columns:repeat(2,minmax(0,1fr))}
.film-choice{
  min-height:56px}
.in-use{
  gap:65px}
.section-heading>p{
  max-width:280px}
}

@media(max-width:700px){
  .shell{
  width:calc(100% - 40px)}
.nav{
  height:80px}
.brand{
  font-size:17px}
.nav nav{
  gap:20px;
  font-size:13px}
.nav nav>a:first-child{
  display:none}
.hero{
  display:flex;
  flex-direction:column;
  align-items:stretch;
  gap:40px;
  min-height:0;
  padding-block:30px 64px}
.hero h1{
  font-size:clamp(29px,7.5vw,43px);
  line-height:1.5}
.signature{
  font-size:18px;
  margin-bottom:17px}
.intro{
  margin-block:22px 26px;
  font-size:17px}
.button{
  padding:16px 20px}
.fine{
  font-size:12px}
.hero-photo img{
  height:auto;
  max-height:550px;
  aspect-ratio:4/5;
  object-fit:cover}
.hero-photo figcaption{
  font-size:12px;
  padding-inline:18px}
.films{
  padding-block:50px 64px}
.section-heading{
  display:block;
  margin-bottom:30px}
.section-heading>p{
  max-width:none;
  margin-top:18px;
  font-size:14px}
.film-stage{
  display:flex;
  flex-direction:column;
  gap:26px}
.film-result{
  width:100%}
.film-result img{
  aspect-ratio:1;
  object-position:center 45%}
.film-description{
  margin-bottom:16px}
#film-summary{
  font-size:20px}
.film-picker{
  display:flex;
  overflow-x:auto;
  gap:8px;
  padding-bottom:12px;
  scroll-snap-type:x proximity;
  scrollbar-color:#8f9289 #252621}
.film-choice{
  flex:0 0 155px;
  min-height:64px;
  padding-inline:10px;
  scroll-snap-align:start}
.provenance{
  font-size:11px}
.in-use{
  grid-template-columns:1fr;
  gap:45px;
  padding-block:50px 65px}
.phone{
  width:235px;
  order:2}
.use-copy{
  order:1}
.photo-pair{
  max-width:none}
.download{
  padding-block:55px 64px}
.download h2{
  font-size:27px}
.download>p:not(.signature){
  font-size:14px}
.store-links{
  gap:12px}
.store{
  min-width:200px}
.footer{
  gap:16px}
.footer nav{
  margin-left:0;
  flex-basis:100%;
  gap:24px}
.footer>small{
  margin-top:4px}
}

@media(prefers-reduced-motion:reduce){
  html{
  scroll-behavior:auto}
}

.hero .store-links{
  justify-content:flex-start;
}
.hero .store{
  flex:1 1 200px;
  min-width:0;
}


/* ---------- Hero: one feeling, two phones ---------- */
.hero{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:56px}
.hero h1{font-size:clamp(40px,5.6vw,84px);line-height:1.28;letter-spacing:.04em}
.hero h1 .line{display:block;overflow:hidden;padding-bottom:.06em}
.hero h1 .line>span{display:block}
.hero .intro{color:var(--muted);font-size:18px;text-wrap:pretty}
.sync-stage{margin:0;min-width:0;display:flex;flex-direction:column;align-items:center}
.devices{--gap:clamp(18px,3.4vw,44px);display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);width:min(100%,468px);align-items:start}
.device{position:relative;display:flex;flex-direction:column;align-items:center;gap:18px;min-width:0}
.device-ios{z-index:2}
.device-android{margin-top:44px}
.handset{container-type:inline-size;position:relative;width:100%;aspect-ratio:1/2.04;padding:3.4%;background:#090908;border:1px solid #4b4c46;box-shadow:0 40px 70px -30px #000,inset 0 0 0 1px #000}
.device-ios .handset{border-radius:16.5%/8.1%}
.device-android .handset{border-radius:10.5%/5.15%;padding:3.4%;border:0;background:linear-gradient(160deg,#9a9b96 0%,#55564f 22%,#2c2d29 50%,#4d4e48 78%,#8c8d87 100%);box-shadow:0 40px 70px -30px #000,inset 0 0 0 1px #ffffff1f}
.handset::before{content:"";position:absolute;width:3px;border-radius:2px}
.device-ios .handset::before{left:-4px;top:16%;height:25%;background:linear-gradient(#3a3b37 0 14%,transparent 14% 30%,#3a3b37 30% 62%,transparent 62% 70%,#3a3b37 70% 100%)}
.device-android .handset::before{right:-3px;top:20%;height:27%;background:linear-gradient(#7d7e78 0 54%,transparent 54% 66%,#7d7e78 66% 100%)}
.handset::after{content:"";position:absolute;left:50%;transform:translateX(-50%);background:#000;z-index:3}
.device-ios .handset::after{top:5.4%;width:31%;height:4.1%;border-radius:999px}
.device-android .handset::after{top:3.55%;width:3.6%;aspect-ratio:1;border-radius:50%;background:#000;box-shadow:0 0 0 1px #262724}
.screen{position:relative;height:100%;overflow:hidden;background:#050505;display:flex;flex-direction:column;padding-top:16cqw}
.device-ios .screen{border-radius:13.4%/6.5%}
.device-android .screen{border-radius:7.4cqw;box-shadow:0 0 0 2.3cqw #030303;padding-top:12cqw}
.viewfinder{position:relative;aspect-ratio:3/4;overflow:hidden;background:#1d1f1c}
.viewfinder video,.viewfinder img,.viewfinder canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;max-width:none}
.viewfinder canvas{opacity:0}
.is-mirrored .viewfinder canvas{opacity:1}
.flash{position:absolute;inset:0;background:#fffdf6;opacity:0;pointer-events:none}
.screen-meta{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2.6cqw;font-size:5.2cqw;letter-spacing:.16em;color:var(--text)}
.meta-time{display:inline-flex;align-items:center;gap:2.6cqw;font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-size:5cqw;letter-spacing:.06em;color:var(--muted);font-variant-numeric:tabular-nums}
.live-dot{width:2.6cqw;height:2.6cqw;border-radius:50%;background:var(--warm);animation:live-blink 1s steps(1,end) infinite}
.meta-state{font-size:3.8cqw;letter-spacing:.24em;color:var(--warm)}
.meta-state::after{content:"LIVE"}
.is-frozen .meta-state::after{content:"FROZEN"}
.is-frozen .live-dot{animation:none;background:var(--muted)}
.device-label{font-size:13px;letter-spacing:.18em;color:var(--muted)}
.sync-stage figcaption{display:flex;flex-direction:column;align-items:center;gap:16px;margin-top:34px;text-align:center}
#leak-status{font-size:15px;color:var(--text);min-height:27px}
#leak-shutter{display:inline-flex;align-items:center;gap:12px;min-height:52px;border:1px solid var(--text);border-radius:999px;background:var(--text);color:var(--bg);padding:10px 24px 10px 12px;cursor:pointer;font-size:14px;transition:transform .15s ease}
#leak-shutter::before{content:"";width:28px;height:28px;border-radius:50%;box-shadow:inset 0 0 0 2px var(--bg),inset 0 0 0 5px var(--text),inset 0 0 0 14px var(--bg)}
#leak-shutter:active{transform:scale(.97)}
#leak-shutter:disabled{opacity:.5;cursor:default}
.stage-note{font-size:11px;color:#8d8c85;margin-top:18px;text-align:center;line-height:1.6}
@keyframes live-blink{50%{opacity:.15}}

/* ---------- Platforms ledger ---------- */
.platforms{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:80px;padding-block:90px 100px;border-top:1px solid var(--line);align-items:center}
.platforms-story>p:not(.signature){font-size:17px;color:var(--muted);max-width:480px}
.platforms-story h2{margin-bottom:26px}
.platforms-story>p+p{margin-top:12px}
.ledger-head{display:flex;justify-content:space-between;font-size:13px;letter-spacing:.18em;color:var(--warm);padding-bottom:14px}
.ledger-row{position:relative;padding:26px 0 24px;text-align:center}
.ledger-row::before{content:"";position:absolute;top:0;left:4px;right:4px;height:1px;background:var(--line);transform-origin:left center}
.ledger-row::after{content:"";position:absolute;top:-4px;left:0;right:0;height:9px;background:radial-gradient(circle 4px at 4px 4.5px,var(--warm) 98%,transparent),radial-gradient(circle 4px at calc(100% - 4px) 4.5px,var(--warm) 98%,transparent)}
.ledger-row:last-child{border-bottom:1px solid var(--line)}
.ledger-title{font-size:clamp(20px,2vw,26px);letter-spacing:.04em}
.ledger-row p:not(.ledger-title){font-size:14px;color:var(--muted);margin-top:4px}

/* ---------- Download repeat ---------- */
.download .store-links{margin-top:6px}

/* ---------- Motion (opt-in) ---------- */
@media(prefers-reduced-motion:no-preference){
  .hero h1 .line>span{animation:rise .9s cubic-bezier(.2,.7,.1,1) both}
  .hero h1 .line:nth-child(2)>span{animation-delay:.12s}
  .hero .intro,.hero .store-links{animation:fade 1s ease .45s both}
  .device-ios{animation:split-ios 1.2s cubic-bezier(.65,0,.15,1) .35s both}
  .device-android{animation:split-android 1.2s cubic-bezier(.65,0,.15,1) .35s both}
  .device-label,.sync-stage figcaption,.stage-note{animation:fade .8s ease 1.4s both}
  .motion-ok [data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.1,1)}
  .motion-ok [data-reveal].is-visible{opacity:1;transform:none}
  .motion-ok .ledger-row{transform:none;transition-delay:calc(var(--i) * .14s)}
  .motion-ok .ledger-row::before{transform:scaleX(0);transition:transform .9s cubic-bezier(.65,0,.35,1) calc(var(--i) * .14s + .1s)}
  .motion-ok .ledger-row.is-visible::before{transform:scaleX(1)}
  .motion-ok .ledger-row::after{opacity:0;transition:opacity .3s ease calc(var(--i) * .14s + .9s)}
  .motion-ok .ledger-row.is-visible::after{opacity:1}
}
@keyframes rise{from{transform:translateY(105%)}to{transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes split-ios{from{transform:translateX(calc(50% + var(--gap) / 2)) translateY(22px)}to{transform:none}}
@keyframes split-android{from{transform:translateX(calc(-50% - var(--gap) / 2)) translateY(-22px) scale(.97);opacity:.6}to{transform:none;opacity:1}}
@media(prefers-reduced-motion:reduce){.live-dot{animation:none}}

@media(max-width:1050px){
  .hero{grid-template-columns:1fr;gap:56px;min-height:0;padding-block:20px 80px}
  .hero-copy{max-width:640px}
  .platforms{grid-template-columns:1fr;gap:48px}
}
@media(max-width:700px){
  .nav nav>a:not(.nav-download){display:none}
  .hero{gap:44px;padding-block:24px 60px}
  .hero h1{font-size:clamp(38px,11vw,52px)}
  .hero .intro{font-size:16px}
  .devices{width:100%}
  .device-android{margin-top:28px}
  .device{gap:12px}
  .device-label{font-size:12px;letter-spacing:.14em}
  .sync-stage figcaption{margin-top:26px}
  #leak-status{font-size:14px}
  .platforms{padding-block:56px 64px;gap:36px}
  .platforms-story>p:not(.signature){font-size:16px}
  .ledger-row{padding:22px 0 20px}
}