@font-face{
  font-family:BrandSans;
  src:local('Arial');
  font-display:swap
}
*{
  box-sizing:border-box
}
html{
  scroll-behavior:smooth;
  scroll-padding-top:110px
}
body{
  margin:0;
  background:#f7f7f2;
  color:#111318;
  font-family:BrandSans,'PingFang SC','Microsoft YaHei','Noto Sans',sans-serif;
  -webkit-font-smoothing:antialiased;
  line-height:1.7
}
button,select{
  font:inherit
}
button,a,select{
  -webkit-tap-highlight-color:transparent
}
a{
  color:inherit;
  text-decoration:none
}
button{
  cursor:pointer
}
img{
  display:block;
  width:100%;
  height:auto
}
button:focus-visible,a:focus-visible,summary:focus-visible,select:focus-visible{
  outline:3px solid #174bff;
  outline-offset:5px
}
h1,h2,h3,p,figure{
  margin:0
}
h1,h2,h3{
  font-weight:500;
  line-height:1.25
}
button{
  color:inherit
}
h2{
  font-size:clamp(32px,3.6vw,52px);
  letter-spacing:-.035em
}
p{
  overflow-wrap:break-word
}
.shell{
  width:min(1328px,calc(100% - 112px));
  margin-inline:auto
}
.header{
  position:sticky;
  top:0;
  z-index:20;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  min-height:96px;
  padding:20px 56px;
  background:rgba(247,247,242,.94);
  border-bottom:1px solid #11131815;
  backdrop-filter:blur(12px)
}
.brand{
  display:inline-flex;
  gap:14px;
  align-items:center;
  flex-shrink:0;
  min-height:44px;
  white-space:nowrap
}
.brand>span{
  font-size:27px;
  letter-spacing:-1.1px;
  font-weight:600
}
.brand>b{
  font-size:19px;
  font-weight:500;
  letter-spacing:1px
}
.header nav{
  display:flex;
  gap:30px
}
.header nav a{
  font-size:14px;
  min-height:44px;
  display:flex;
  align-items:center;
  white-space:nowrap
}
.header nav a:hover,.text-link:hover{
  color:#174bff
}
.language{
  display:flex;
  align-items:center;
  gap:8px
}
.language>span:not(.sr-only){
  font-size:23px
}
.language select{
  background:transparent;
  border:0;
  max-width:158px;
  min-height:44px;
  font-size:13px;
  color:#111318;
  cursor:pointer
}
.skip{
  position:fixed;
  z-index:40;
  top:12px;
  left:12px;
  transform:translateY(-160%);
  padding:12px 20px;
  background:#111318;
  color:white
}
.skip:focus{
  transform:none
}
.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  margin:-1px;
  padding:0;
  overflow:hidden;
  clip-path:inset(50%);
  white-space:nowrap;
  border:0
}
.hero{
  padding-top:42px;
  display:grid;
  grid-template-columns:.86fr 1.14fr;
  gap:24px;
  align-items:center
}
.hero-copy{
  padding:35px 0 30px;
  position:relative;
  z-index:2
}
.eyebrow{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:12px;
  letter-spacing:.07em;
  color:#58616d;
  margin-bottom:30px
}
.hero .eyebrow>span:first-child{
  width:6px;
  height:6px;
  background:#174bff;
  border-radius:50%;
  box-shadow:0 0 0 5px #174bff0a
}
h1{
  font-size:clamp(44px,4.4vw,66px);
  letter-spacing:-.04em;
  line-height:1.3;
  margin-bottom:28px
}
h1>span{
  display:block
}
.intro{
  max-width:390px;
  color:#58616d;
  font-size:17px;
  line-height:1.85
}
.actions{
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
  margin-top:30px
}
.button{
  display:inline-flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  min-height:54px;
  padding:14px 23px;
  font-size:14px;
  border-radius:3px;
  transition:transform .18s,background .18s
}
.primary{
  background:#174bff;
  color:white
}
.primary:hover{
  background:#103bdb;
  transform:translateY(-2px)
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:18px;
  min-height:44px;
  font-size:14px
}
.hero-foot{
  margin-top:52px;
  color:#58616d;
  font-size:11px;
  letter-spacing:.03em
}
.hero-foot>span:first-child{
  margin-inline:12px;
  color:#a1a5ab
}
.hero-visual{
  min-width:0
}
.product-stage{
  position:relative;
  isolation:isolate;
  aspect-ratio:1.05;
  background:#e9edf3;
  overflow:hidden;
  border-radius:2px;
  transform:perspective(1100px) rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg));
  transition:transform .4s
}
.product-stage picture{
  position:relative;
  display:block;
  height:100%;
  z-index:-2
}
.product-stage img{
  height:100%;
  object-fit:cover
}
.product-stage::after{
  content:'';
  position:absolute;
  inset:0;
  pointer-events:none;
  background:radial-gradient(ellipse at var(--spot-x,70%) var(--spot-y,20%),#fff8,transparent 48%);
  mix-blend-mode:soft-light
}
.orbit{
  position:absolute;
  z-index:1;
  pointer-events:none;
  width:90%;
  aspect-ratio:1;
  border-radius:50%;
  border:1px solid #fff7;
  left:5%;
  top:8%;
  transform:rotateX(68deg) rotate(-28deg);
  animation:orbit 22s linear infinite
}
.orbit-one{
  border-left-color:#174bff70;
  border-top-color:transparent
}
.orbit-two{
  width:110%;
  left:-5%;
  top:-6%;
  opacity:.45;
  animation-direction:reverse;
  animation-duration:30s
}
.stage-label{
  position:absolute;
  left:22px;
  top:22px;
  font-size:9px;
  letter-spacing:.16em;
  color:#414752
}
.stage-cross{
  position:absolute;
  right:24px;
  bottom:18px;
  font-size:20px;
  color:#414752
}
.hero-visual figcaption{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  color:#58616d;
  font-size:10px;
  padding-top:10px;
  min-height:54px
}
.hero-visual button{
  min-height:44px;
  white-space:nowrap;
  font-size:10px;
  display:inline-flex;
  gap:7px;
  align-items:center;
  background:none;
  border:0
}
.hero-bottom{
  grid-column:1/-1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 0 28px;
  border-bottom:1px solid #11131826;
  color:#58616d;
  font-size:9px;
  letter-spacing:.13em
}
.hero-bottom a{
  width:44px;
  min-height:44px;
  display:grid;
  place-items:center;
  font-size:20px;
  color:#111318
}
.section{
  padding-block:112px
}
.product{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:80px
}
.lead{
  font-size:22px;
  line-height:1.85;
  letter-spacing:-.01em
}
.steps{
  margin-top:46px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px
}
.steps>div{
  border-top:1px solid #11131826;
  padding-top:16px
}
.steps span{
  font-size:11px;
  color:#174bff
}
.steps h3{
  margin:18px 0 12px;
  font-size:17px
}
.steps p{
  font-size:13px;
  color:#58616d;
  line-height:1.85
}
.ride-section{
  background:#111521;
  color:#f7f7f2;
  position:relative;
  overflow:hidden
}
.ride-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:100px;
  padding-block:96px;
  position:relative
}
.ride-section .eyebrow{
  color:#aab3c8
}
.ride-intro>p:not(.eyebrow){
  color:#aab3c8;
  font-size:15px;
  max-width:360px;
  margin-top:28px
}
.ride-orb{
  width:210px;
  height:160px;
  position:relative;
  display:grid;
  place-items:center;
  margin:36px 0 0 32px
}
.ride-orb img{
  width:110px;
  height:110px;
  object-fit:contain;
  filter:brightness(0) invert(1);
  position:relative;
}
.ride-orb>span{
  position:absolute;
  inset:10px -15px;
  border:1px solid #4770ff;
  transform:rotate(-23deg);
  border-radius:50%;
  box-shadow:0 0 45px #174bff2b,inset 0 0 25px #174bff20
}
.ride-orb i{
  position:absolute;
  inset:32px -30px;
  border:1px solid #879aca44;
  transform:rotate(22deg);
  border-radius:50%
}
.ride-controls{
  padding-top:0
}
.preference-buttons{
  border-top:1px solid #ffffff29
}
.preference-buttons button{
  display:flex;
  align-items:center;
  gap:24px;
  width:100%;
  text-align:start;
  border:0;
  border-bottom:1px solid #ffffff29;
  background:transparent;
  color:#abb3c6;
  padding:20px 16px;
  min-height:78px;
  transition:background .18s,color .18s
}
.preference-buttons button>span{
  font-size:11px;
  color:#9caacb
}
.preference-buttons strong{
  font-size:21px;
  font-weight:400;
  flex:1
}
.preference-buttons b{
  font-size:20px;
  font-weight:400
}
.preference-buttons button[aria-pressed=true]{
  color:white;
  background:#174bff24;
  box-shadow:inset 3px 0 #5f83ff
}
.preference-buttons button:hover{
  background:#ffffff0c
}
.preference-result{
  padding:30px 16px 8px;
  min-height:190px
}
.result-label{
  font-size:11px;
  color:#aab3c8
}
.preference-result h3{
  font-size:25px;
  margin:12px 0 14px
}
.preference-result p{
  font-size:14px;
  line-height:1.8;
  color:#aab3c8
}
.light{
  color:#fff;
  margin-left:16px
}
.light:hover{
  color:#a8baff
}
.small-note{
  font-size:11px;
  color:#58616d;
  line-height:1.8
}
.ride-controls>.small-note{
  color:#aab3c8;
  margin:12px 16px 0
}
.brand-section{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:100px
}
.brand-story>p:not(.lead){
  font-size:15px;
  color:#58616d;
  margin-top:24px
}
.brand-story .text-link{
  margin-top:24px
}
.guide-section{
  background:#e9ecf0;
  position:relative
}
.guide-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:100px;
  padding-block:96px
}
.guide-note{
  font-size:14px;
  color:#58616d;
  max-width:350px;
  margin-top:28px
}
.faq{
  border-top:1px solid #11131833
}
.faq details{
  border-bottom:1px solid #11131833
}
.faq summary{
  min-height:72px;
  cursor:pointer;
  padding:20px 35px 20px 0;
  font-size:18px;
  list-style:none;
  position:relative
}
.faq summary::-webkit-details-marker{
  display:none
}
.faq summary::after{
  content:'+';
  position:absolute;
  right:0;
  top:17px;
  font-size:23px;
  font-weight:300
}
.faq details[open] summary::after{
  content:'−'
}
.faq details p{
  font-size:14px;
  line-height:1.9;
  color:#58616d;
  padding:0 24px 24px 0
}
.contact{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:100px;
  position:relative
}
.contact>div>p:not(.eyebrow){
  color:#58616d;
  font-size:14px;
  margin-top:26px;
  max-width:350px
}
.contact-panel{
  align-self:center;
  min-width:0
}
.contact-panel>span{
  font-size:12px;
  color:#58616d
}
.email{
  display:block;
  font-size:clamp(25px,3vw,43px);
  line-height:1.5;
  letter-spacing:-.03em;
  overflow-wrap:anywhere;
  min-height:44px;
  margin-top:8px
}
.copy{
  border:0;
  border-bottom:1px solid #58616d;
  background:transparent;
  font-size:13px;
  min-height:44px;
  padding:6px 0
}
.contact-panel .small-note{
  margin-top:16px
}
.contact-panel [role=status]{
  font-size:12px;
  min-height:24px;
  margin-top:8px;
  color:#174bff
}
.footer{
  border-top:1px solid #11131826;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding-block:30px
}
.footer p{
  font-size:10px;
  color:#58616d
}
.footer .brand>span{
  font-size:23px
}
.footer .brand>b{
  font-size:16px
}
.anchor-alias{
  position:absolute;
  top:0;
  left:0
}
.product,.brand-section{
  position:relative
}
.noscript{
  padding:20px;
  text-align:center
}
body.motion-paused .orbit{
  animation-play-state:paused
}
body.motion-paused .product-stage{
  transform:none!important;
  transition:none
}
body.motion-paused .product-stage::after{
  background:none
}
@keyframes orbit{
  from{
    transform:rotateX(68deg) rotate(-28deg)
  }
  to{
    transform:rotateX(68deg) rotate(332deg)
  }
}
@media(min-width:1600px){
  .hero{
    padding-top:60px
  }
  .header{
    padding-inline:max(56px,calc((100vw - 1328px)/2))
  }
}
@media(max-width:1100px){
  .shell{
    width:calc(100% - 64px)
  }
  .header{
    padding-inline:32px;
    gap:18px
  }
  .header nav{
    gap:18px
  }
  .brand>span{
    font-size:24px
  }
  .brand>b{
    font-size:18px
  }
  .hero{
    gap:20px
  }
  h1{
    font-size:46px
  }
  .product{
    gap:48px
  }
  .ride-grid,.brand-section,.guide-grid,.contact{
    gap:64px
  }
  .steps{
    grid-template-columns:1fr;
    gap:24px
  }
  .steps h3{
    margin:6px 0
  }
  .steps>div{
    padding-top:8px
  }
  .hero-foot{
    margin-top:34px
  }
}
@media(max-width:800px){
  .header{
    display:grid;
    grid-template-columns:1fr auto;
    padding:12px 24px 0;
    gap:6px 16px;
    min-height:100px
  }
  .header nav{
    grid-column:1/-1;
    grid-row:2;
    justify-content:space-between;
    gap:10px
  }
  .header nav a{
    font-size:12px
  }
  .language{
    grid-column:2;
    grid-row:1
  }
  .language select{
    max-width:140px;
    font-size:12px
  }
  .shell{
    width:calc(100% - 48px)
  }
  .hero{
    grid-template-columns:1fr 1.05fr;
    padding-top:26px;
    gap:18px
  }
  .hero-copy{
    padding-block:20px
  }
  .eyebrow{
    font-size:10px;
    margin-bottom:20px
  }
  h1{
    font-size:35px;
    line-height:1.35;
    margin-bottom:22px
  }
  .intro{
    font-size:14px
  }
  .hero .actions{
    gap:10px;
    margin-top:22px
  }
  .button{
    font-size:13px;
    padding:13px 18px;
    gap:18px
  }
  .text-link{
    font-size:12px;
    gap:12px
  }
  .hero-foot{
    font-size:9px
  }
  .hero-visual figcaption{
    align-items:flex-start;
    font-size:9px
  }
  .hero-visual figcaption>span{
    padding-top:10px
  }
  .stage-label{
    font-size:7px;
    left:14px;
    top:14px
  }
  .section{
    padding-block:80px
  }
  .product,.brand-section,.guide-grid,.contact{
    grid-template-columns:1fr;
    gap:32px
  }
  .product-content .lead{
    max-width:620px
  }
  .steps{
    grid-template-columns:repeat(3,1fr);
    margin-top:32px;
    gap:24px
  }
  .steps h3{
    font-size:15px;
    margin:12px 0
  }
  .ride-grid{
    gap:40px;
    padding-block:72px
  }
  .ride-orb{
    margin-left:8px;
    width:170px
  }
  .preference-buttons strong{
    font-size:18px
  }
  .preference-buttons button{
    gap:18px
  }
  .preference-result{
    min-height:230px
  }
  .preference-result h3{
    font-size:22px
  }
  .guide-grid{
    padding-block:72px
  }
  .guide-note{
    max-width:560px
  }
  .contact-panel{
    max-width:620px
  }
  .email{
    font-size:38px
  }
  .brand-story{
    max-width:620px
  }
  .lead{
    font-size:20px
  }
}
@media(max-width:560px){
  html{
    scroll-padding-top:116px
  }
  .hero{
    grid-template-columns:1fr;
    gap:0;
    padding-top:16px
  }
  .hero-copy{
    padding:20px 0 30px
  }
  .hero .eyebrow{
    margin-bottom:20px
  }
  h1{
    font-size:43px;
    max-width:100%;
    margin-bottom:22px
  }
  .intro{
    font-size:15px;
    max-width:330px
  }
  .hero .actions{
    margin-top:24px;
    gap:20px
  }
  .hero-foot{
    display:none
  }
  .hero-visual{
    margin-top:0
  }
  .product-stage{
    aspect-ratio:1.08
  }
  .hero-visual figcaption{
    font-size:9px;
    align-items:center;
    gap:8px
  }
  .hero-visual figcaption>span{
    padding:0
  }
  .hero-bottom{
    font-size:7px;
    padding:6px 0 16px
  }
  .hero-bottom>span:last-child{
    display:none
  }
  .hero-bottom a{
    margin-left:auto
  }
  .section{
    padding-block:64px
  }
  .eyebrow{
    font-size:10px;
    margin-bottom:22px
  }
  h2{
    font-size:34px;
    line-height:1.4
  }
  .product{
    gap:24px
  }
  .lead{
    font-size:18px;
    line-height:1.85
  }
  .steps{
    grid-template-columns:1fr;
    gap:25px;
    margin-top:30px
  }
  .steps>div{
    display:grid;
    grid-template-columns:30px 1fr;
    column-gap:10px;
    padding-top:15px
  }
  .steps span{
    grid-row:1/3;
    padding-top:4px
  }
  .steps h3{
    margin:0 0 8px;
    font-size:18px
  }
  .steps p{
    font-size:14px
  }
  .ride-grid{
    grid-template-columns:1fr;
    gap:32px;
    padding-block:64px
  }
  .ride-intro>p:not(.eyebrow){
    max-width:none;
    font-size:14px;
    margin-top:20px
  }
  .ride-orb{
    display:none
  }
  .preference-buttons button{
    padding:18px 12px;
    min-height:74px
  }
  .preference-buttons strong{
    font-size:20px
  }
  .preference-result{
    min-height:184px;
    padding:24px 12px 8px
  }
  .preference-result h3{
    font-size:23px
  }
  .preference-result p{
    font-size:14px
  }
  .light{
    margin-left:12px
  }
  .brand-section{
    gap:24px
  }
  .brand-story>p:not(.lead){
    margin-top:18px
  }
  .guide-grid{
    padding-block:64px;
    gap:32px
  }
  .guide-note{
    margin-top:20px
  }
  .faq summary{
    font-size:17px;
    min-height:68px
  }
  .faq details p{
    padding-right:8px
  }
  .contact{
    gap:30px
  }
  .email{
    font-size:32px
  }
  .contact-panel .actions{
    gap:20px;
    margin-top:22px
  }
  .footer{
    flex-wrap:wrap;
    gap:14px;
    padding-block:26px
  }
  .footer .brand{
    flex-basis:50%
  }
  .footer p{
    order:3;
    flex-basis:100%
  }
  .footer .text-link{
    margin-left:auto
  }
  .header .brand>span{
    font-size:23px
  }
  .header .brand>b{
    font-size:16px
  }
  .header .brand{
    gap:9px
  }
  .language{
    gap:5px
  }
  .language>span:not(.sr-only){
    font-size:20px
  }
  .language select{
    max-width:112px
  }
  .header nav a{
    font-size:12px
  }
  .header nav{
    gap:6px
  }
  body:lang(en) h1,body:lang(vi) h1{
    font-size:39px
  }
  html:lang(en) h1,html:lang(vi) h1,html:lang(id) h1{
    font-size:40px
  }
  html:lang(th) h1{
    font-size:38px
  }
}
@media(max-width:350px){
  h1{
    font-size:36px
  }
  .header{
    padding-inline:18px
  }
  .shell{
    width:calc(100% - 36px)
  }
  .header .brand>span{
    font-size:20px
  }
  .header .brand>b{
    font-size:15px
  }
  .language select{
    max-width:101px;
    font-size:11px
  }
  .hero .actions{
    gap:10px
  }
  .email{
    font-size:29px
  }
  h2{
    font-size:31px
  }
}
@media(prefers-reduced-motion:reduce){
  html{
    scroll-behavior:auto
  }
  *,*::before,*::after{
    animation:none!important;
    transition:none!important
  }
  .product-stage{
    transform:none!important
  }
  .product-stage::after{
    background:none
  }
}
/* Keep short navigation labels easy to target without hiding narrow-screen content. */
.header nav a{
  min-width:44px;
  justify-content:center
}

/* Original C3 trademark artwork, scaled uniformly; no redraw or distortion. */
.brand .brand-symbol{width:40px;height:40px;object-fit:contain;flex-shrink:0}
@media(max-width:800px){.brand .brand-symbol{width:32px;height:32px}.header .brand{gap:9px}}
@media(max-width:350px){.brand .brand-symbol{width:28px;height:28px}.header{column-gap:10px}.header .brand{gap:7px}}

.materials{padding-bottom:80px}
.materials>h2{font-size:15px;letter-spacing:.02em;margin-bottom:24px}
.material-labels{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);padding:0;margin:0;border-block:1px solid #11131826}
.material-labels li{display:flex;align-items:center;gap:18px;padding:28px 24px;border-right:1px solid #11131826}
.material-labels li:first-child{padding-left:0}
.material-labels li:last-child{border-right:0}
.material-labels img{width:26px;height:18px;object-fit:contain;flex-shrink:0;filter:drop-shadow(0 0 1px #11131840)}
.material-labels div{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.material-labels span{font-size:16px;color:#58616d}
.material-labels strong{font-size:22px;font-weight:500}
@media(max-width:560px){.materials{padding-bottom:56px}.material-labels{grid-template-columns:1fr}.material-labels li,.material-labels li:first-child{border-right:0;padding:20px 0;border-bottom:1px solid #11131826}.material-labels li:last-child{border-bottom:0}.material-labels strong{font-size:20px}}

/* Six cached illustrative cylinders orbit the unchanged original brand symbol. */
.roller-scene{display:none;position:absolute;inset:0;background:radial-gradient(ellipse at 50% 48%,#e5edff 0,#f1f4fa 40%,#e9edf3 78%);isolation:isolate}
.motion-enhanced .roller-scene{display:block}
.motion-enhanced>picture,.motion-enhanced>.orbit{display:none}
.roller-track{position:absolute;inset:0;transform:rotate(var(--phase));animation:roller-revolution 35s linear infinite;animation-delay:var(--delay)}
.roller-body{position:absolute;left:50%;top:50%;width:26%;aspect-ratio:1;transform:translate(-50%,-50%) translateX(112%)}
.roller-counter{width:100%;height:100%;transform:rotate(calc(-1 * var(--phase)));animation:roller-counter 35s linear infinite;animation-delay:var(--delay)}
.roller-counter img{width:100%;height:auto;object-fit:contain}
.scene-hub{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%);width:17%;aspect-ratio:1;display:grid;place-items:center;border:1px solid #174bff24;border-radius:50%;background:linear-gradient(140deg,#ffffffdd,#e0e8fa);box-shadow:0 8px 25px #243a6512}
.scene-hub img{width:67%;height:67%;object-fit:contain}
.scene-ring{position:absolute;left:50%;top:50%;border-radius:50%;transform:translate(-50%,-50%);pointer-events:none}
.ring-a{width:76%;aspect-ratio:1;border:1px solid #174bff1e;border-left-color:#174bff75;animation:scene-ring 48s linear infinite reverse}
.ring-b{width:90%;aspect-ratio:1;border:1px dashed #174bff22;animation:scene-ring 65s linear infinite}
.motion-paused .roller-track,.motion-paused .roller-counter,.motion-paused .scene-ring{animation-play-state:paused}
.materials>h2{font-size:clamp(26px,3.2vw,44px);letter-spacing:-.025em;max-width:100%;line-height:1.4;margin-bottom:30px}
.hero h1{font-size:clamp(38px,4.1vw,61px);line-height:1.3}
@keyframes roller-revolution{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
@keyframes roller-counter{from{transform:rotate(0deg)}to{transform:rotate(-360deg)}}
@keyframes scene-ring{from{transform:translate(-50%,-50%) rotate(0deg)}to{transform:translate(-50%,-50%) rotate(360deg)}}
@media(max-width:800px){.hero h1{font-size:36px}}
@media(max-width:560px){.hero h1{font-size:40px}.materials>h2{font-size:29px}}
@media(max-width:350px){.hero h1{font-size:34px}.materials>h2{font-size:26px}}
@media(prefers-reduced-motion:reduce){.roller-track,.roller-counter,.scene-ring{animation-play-state:paused}}

/* Visual V3: open studio space, dimensional orbit, editorial material studies. */
body{background:#f7f8fa}
.header{background:#f7f8faeb}
.hero{padding-top:20px;grid-template-columns:.94fr 1.06fr;gap:12px}
.hero h1{font-size:clamp(40px,4.25vw,64px);letter-spacing:-.055em;line-height:1.25}
.hero .intro{max-width:350px;font-size:16px}
.hero .eyebrow{margin-bottom:24px}
.hero-foot{margin-top:40px}
.product-stage{background:transparent;aspect-ratio:1;overflow:visible}
.roller-scene{background:radial-gradient(ellipse at 53% 49%,#dce5f5aa,transparent 65%);border-radius:50%}
.product-stage::after{border-radius:50%}
.stage-label{top:8%;left:10%;font-size:9px;color:#69778c}
.stage-cross{bottom:10%;right:9%;color:#174bff}
.roller-track{inset:12% 0;}
.roller-body{width:29%;transform:translate(-50%,-50%) translateX(107%)}
.roller-counter img{filter:drop-shadow(0 18px 12px #1e32591a)}
.scene-hub{width:12%;background:transparent;border:0;box-shadow:none;opacity:.72}
.scene-hub img{width:80%;height:80%}
.ring-a{width:83%;height:59%;aspect-ratio:auto;border-color:#174bff22;border-left-color:#174bff66;animation:none;transform:translate(-50%,-50%) rotate(-12deg)}
.ring-b{width:96%;height:72%;aspect-ratio:auto;border-style:solid;border-color:#174bff0c;animation:none;transform:translate(-50%,-50%) rotate(-12deg)}
.hero-visual figcaption{padding-inline:10%;font-size:10px}
.hero-bottom{padding-top:20px}
.materials{padding-top:55px;padding-bottom:90px}
.materials>h2{font-size:clamp(30px,3.5vw,50px);margin-bottom:36px}
.material-labels{gap:18px;border:0}
.material-labels li,.material-labels li:first-child{position:relative;isolation:isolate;overflow:hidden;min-height:270px;align-items:flex-end;padding:28px;border:1px solid #11131812;background:#e9edf2}
.material-labels li::before{content:'';position:absolute;z-index:-1;inset:0 0 75px;transition:transform .6s}
.material-labels li:hover::before{transform:scale(1.035)}
.material-labels li:nth-child(1)::before{background-image:url("assets/material-forms-v1.webp");background-size:300% auto;background-position:left center;background-repeat:no-repeat}
.material-labels li:nth-child(2){background:#e9edf2;color:#111318}
.material-labels li:nth-child(2)::before{background-image:url("assets/material-forms-v1.webp");background-size:300% auto;background-position:center center;background-repeat:no-repeat;mask-image:none}
.material-labels li:nth-child(3)::before{background-image:url("assets/material-forms-v1.webp");background-size:300% auto;background-position:right center;background-repeat:no-repeat}
.material-labels li div{display:grid;gap:2px}
.material-labels span{font-size:13px;letter-spacing:.05em}
.material-labels li:nth-child(2) span{color:#58616d}
.material-labels strong{font-size:26px;letter-spacing:-.025em}
.material-labels img{margin-bottom:9px}
.ride-section{background:radial-gradient(ellipse at 12% 70%,#1b2d51,transparent 55%),#111722}
.brand-section{border-bottom:1px solid #11131815}
.contact-panel{border-top:2px solid #174bff;padding-top:28px}
@media(max-width:800px){.hero{grid-template-columns:1fr 1fr}.hero h1{font-size:36px}.material-labels{gap:10px}.material-labels li,.material-labels li:first-child{padding:20px;min-height:230px;gap:12px}.material-labels strong{font-size:22px}}
@media(max-width:560px){.hero{grid-template-columns:1fr;padding-top:28px;gap:0}.hero-copy{padding-top:12px;padding-bottom:0}.hero h1{font-size:40px}.hero .intro{font-size:15px}.hero .actions{margin-top:22px}.hero-foot{display:none}.hero-visual{margin-top:10px}.product-stage{aspect-ratio:1.12}.hero-visual figcaption{padding-inline:0}.material-labels{grid-template-columns:1fr}.material-labels li,.material-labels li:first-child{min-height:190px;padding:24px;border:1px solid #11131812}.material-labels li::before{inset:0 0 58px 30%}.material-labels li div{gap:0}.materials{padding-top:35px;padding-bottom:56px}.materials>h2{font-size:30px}.hero-bottom{padding-top:24px}.hero .eyebrow{margin-bottom:20px}}
@media(max-width:350px){.hero h1{font-size:34px}.materials>h2{font-size:26px}}
.scene-orbit{position:absolute;inset:0;transform:scaleY(.78)}
.scene-orbit .roller-track{inset:0}
.scene-orbit .roller-counter img{transform:scaleY(1.28205)}
/* Contain the rotating orbit's empty square corners within its own scene. */
.roller-scene{overflow:hidden}
/* Raw-material illustrations follow the owner's specified forms and colors. */
.material-labels li::before{bottom:105px}
@media(max-width:560px){
  .material-labels li,.material-labels li:first-child{
    display:grid;grid-template-columns:26px minmax(0,1fr);align-items:center;
    gap:16px;min-height:0;padding:220px 20px 22px;
  }
  .material-labels li::before{inset:0 0 auto;height:200px;background-size:300% auto}
  .material-labels li div{display:grid;min-width:0;gap:4px;padding:0;background:transparent}
  .material-labels li span,.material-labels li strong{overflow-wrap:anywhere}
  .material-labels li img{margin:0;position:relative}
}
/* V9 original PDF outlines, uniformly scaled; C3 symbol remains unchanged. */
.brand .brand-wordmark{width:128px;height:auto;object-fit:contain;flex-shrink:0}
.brand-signature{width:min(100%,360px);height:auto;object-fit:contain;margin-bottom:34px}
.footer .brand-wordmark{width:114px}
@media(max-width:800px){.header .brand-wordmark{width:108px}.brand-signature{width:min(100%,300px)}}
@media(max-width:350px){.header .brand-wordmark{width:91px}.header .brand .brand-symbol{width:25px;height:25px}.header .brand{gap:6px}.header .brand>b{font-size:14px}}
/* Header lockup: balance the visible C3 artwork against the tall V9 ascenders. */
.header .brand{gap:12px;align-items:center;min-height:46px}
.header .brand .brand-symbol{width:44px;height:44px}
.header .brand .brand-wordmark{width:120px;height:auto}
.header .brand>b{align-self:flex-end;margin:0 0 7px 3px;font-size:17px;line-height:1;letter-spacing:2px;white-space:nowrap}
@media(max-width:800px){
 .header .brand{gap:10px;min-height:40px}
 .header .brand .brand-symbol{width:36px;height:36px}
 .header .brand .brand-wordmark{width:104px}
 .header .brand>b{font-size:15px;letter-spacing:1px;margin:0 0 7px 2px}
}
@media(max-width:350px){
 .header .brand{gap:8px;min-height:36px}
 .header .brand .brand-symbol{width:30px;height:30px}
 .header .brand .brand-wordmark{width:92px}
 .header .brand>b{font-size:14px;margin:0 0 6px 1px}
}
@media(max-width:350px){.header .language select{max-width:80px}}

/* Premium 11: one consistent editorial scale, independent media/content regions. */
:root{--paper:#f7f8fa;--ink:#111318;--muted:#58616d;--accent:#174bff;--line:#11131820;--space-section:88px}
body{background:var(--paper);color:var(--ink)}
.section{padding-block:var(--space-section)}
.shell{width:min(1280px,calc(100% - 112px))}
.hero{padding-top:30px;padding-bottom:56px;gap:30px;grid-template-columns:1fr 1.08fr;border-bottom:1px solid var(--line)}
.hero h1{font-size:clamp(42px,4.25vw,64px);line-height:1.25;letter-spacing:-.05em}
.hero-copy{padding:20px 0}
.hero .intro{font-size:17px;max-width:370px}
.hero .eyebrow{font-size:12px;letter-spacing:.04em}
.hero-visual figcaption{padding:0 6%;gap:16px;font-size:12px;line-height:1.6}
.hero-visual figcaption>span{font-size:12px}
.hero-visual figcaption button{font-size:12px;flex-shrink:0}
.roller-scene{background:radial-gradient(ellipse at 54% 55%,#d5dfefc9,transparent 68%)}
.roller-counter img{filter:drop-shadow(0 14px 10px #25324b29)}
.ring-b{display:none}
.scene-hub{opacity:.5;width:11%}
.product{display:grid;grid-template-columns:1.08fr .92fr;gap:80px;align-items:center}
.product-editorial{max-width:540px}
.product .section-heading{margin-bottom:24px}
.product .lead{font-size:18px;color:var(--muted);line-height:1.85}
.product-editorial>.text-link{margin-top:24px}
.product-detail{min-width:0;background:#e9edf2}
.product-detail>img{width:100%;height:auto;aspect-ratio:1.35;object-fit:cover}
.product-detail figcaption{font-size:12px;line-height:1.6;padding:12px 18px;color:var(--muted)}
.materials{padding-top:12px;padding-bottom:var(--space-section)}
.materials>h2{font-size:clamp(32px,3.5vw,50px);line-height:1.35;margin-bottom:32px}
.material-labels{gap:20px}
.material-labels li,.material-labels li:first-child{display:block;padding:0;min-height:0;border:0;background:#edf0f4;overflow:hidden}
.material-labels li::before{display:none}
.material-labels .material-media{display:block;position:relative;height:220px;overflow:hidden;background:#e2e4e7}
.material-labels .material-media img{position:absolute;left:0;top:50%;width:300%;height:auto;max-width:none;margin:0;filter:none;transform:translateY(-50%)}
.material-labels .material-us img{transform:translate(-33.333333%,-50%)}
.material-labels .material-jp img{transform:translate(-66.666667%,-50%)}
.material-labels .material-caption{display:grid;grid-template-columns:26px minmax(0,1fr);align-items:center;gap:16px;padding:20px 22px;min-height:100px;background:#edf0f4}
.material-labels .material-caption>img{width:26px;height:18px;margin:0;object-fit:contain}
.material-labels .material-caption>div{display:grid;gap:2px;min-width:0;background:transparent;padding:0}
.material-labels span{font-size:13px;letter-spacing:.02em}
.material-labels strong{font-size:24px;line-height:1.35;overflow-wrap:anywhere}
.ride-grid{padding-block:80px;gap:80px}
.ride-intro>p:not(.eyebrow){font-size:16px;line-height:1.85}
.ride-line{height:110px;margin-top:40px;position:relative;overflow:hidden;max-width:340px;transform:skewY(-14deg)}
.ride-line i{position:absolute;inset:14px 0 auto;height:1px;background:linear-gradient(90deg,transparent,#547dffb0,transparent)}
.ride-line i:nth-child(2){top:50px;left:35px;background:linear-gradient(90deg,transparent,#f7f8fa80,transparent)}
.ride-line i:nth-child(3){top:86px;left:70px}
.preference-result{padding-block:28px 14px;min-height:0}
.preference-result p{font-size:15px}
.small-note,.ride-controls>.small-note{font-size:12px;line-height:1.7}
.brand-section{gap:80px;padding-bottom:72px;align-items:center}
.brand-signature{width:min(100%,280px);margin-bottom:26px}
.brand-story>.lead{font-size:19px;line-height:1.8}
.brand-story>p:not(.lead){font-size:16px;line-height:1.85}
.guide-grid{padding-block:72px;gap:80px}
.guide-note,.faq details p{font-size:16px}
.contact{padding-block:80px;gap:80px}
.contact-panel{border-top:1px solid var(--accent);padding-top:24px}
.inquiry-summary{display:flex;flex-wrap:wrap;gap:8px 14px;margin-bottom:24px;font-size:13px;color:var(--muted)}
.inquiry-summary strong{font-weight:500;color:var(--ink)}
.contact-panel .actions{margin-top:20px}
.contact-panel [role=status]{min-height:0;margin:0;font-size:13px}
.contact-panel [role=status]:not(:empty){margin-top:12px}
.contact-panel .small-note{margin-top:18px;font-size:13px;line-height:1.7}
@media(max-width:1100px){.hero h1{font-size:44px}.product,.brand-section,.guide-grid,.contact,.ride-grid{gap:48px}.material-labels .material-media{height:190px}}
@media(max-width:800px){
 :root{--space-section:64px}.shell{width:calc(100% - 64px)}
 .hero{gap:18px;padding-top:22px;padding-bottom:40px}.hero h1{font-size:36px}
 .hero .intro{font-size:16px}.hero-visual figcaption{padding:0;flex-wrap:wrap;gap:4px}
 .product{gap:30px}.product .lead{font-size:16px}.product h2{font-size:33px}
 .material-labels{gap:12px}.material-labels .material-media{height:160px}.material-labels .material-caption{padding:16px 14px;gap:10px;min-height:96px}
 .material-labels strong{font-size:21px}.ride-grid,.brand-section,.guide-grid,.contact{gap:38px}
 .ride-grid{padding-block:64px}.ride-line{height:80px;margin-top:24px}
 .guide-grid{padding-block:60px}.contact{padding-block:64px}
}
@media(max-width:560px){
 :root{--space-section:56px}.shell{width:calc(100% - 48px)}
 .hero{grid-template-columns:1fr;gap:8px;padding-top:22px;padding-bottom:32px}
 .hero-copy{padding:8px 0 0}.hero h1{font-size:40px;margin-bottom:22px}.hero .intro{font-size:16px;line-height:1.8}.hero .eyebrow{margin-bottom:20px}
 .hero .actions{margin-top:24px}.hero-visual{margin-top:0}.product-stage{aspect-ratio:1.12}
 .hero-visual figcaption{display:flex;flex-wrap:nowrap;align-items:center;gap:12px;font-size:12px}
 .hero-visual figcaption>span{max-width:70%;font-size:12px;line-height:1.5}
 .product{grid-template-columns:1fr;gap:28px}.product h2{font-size:33px}.product .section-heading{margin-bottom:18px}
 .product .lead{font-size:16px}.product-editorial>.text-link{margin-top:16px}
 .product-detail>img{aspect-ratio:1.7}.product-detail figcaption{padding:10px 14px;font-size:12px}
 .materials{padding-top:0}.materials>h2{font-size:30px;margin-bottom:24px}
 .material-labels{grid-template-columns:1fr;gap:12px}
 .material-labels li,.material-labels li:first-child{display:block;padding:0;min-height:0}
 .material-labels .material-media{height:154px}
 .material-labels .material-caption{min-height:80px;padding:14px 20px;gap:16px}
 .material-labels .material-caption>div{gap:1px}.material-labels strong{font-size:22px}
 .ride-grid{grid-template-columns:1fr;padding-block:56px;gap:30px}
 .ride-intro h2{font-size:33px}.ride-intro>p:not(.eyebrow){margin-top:20px}.ride-line{display:none}
 .preference-buttons button{min-height:68px}.preference-result{padding:24px 14px 14px}.preference-result h3{font-size:24px}
 .brand-section{grid-template-columns:1fr;gap:28px;padding-bottom:48px}
 .brand-signature{width:230px;margin-bottom:22px}.brand-story .lead{font-size:18px}.brand-story>p:not(.lead){font-size:16px;margin-top:16px}
 .guide-grid{grid-template-columns:1fr;padding-block:48px;gap:24px}.guide-note{font-size:16px;margin-top:22px}.faq details p{font-size:16px}
 .contact{grid-template-columns:1fr;padding-block:56px;gap:28px}.contact>div>p:not(.eyebrow){font-size:16px;margin-top:20px}
 .contact-panel{padding-top:20px}.inquiry-summary{margin-bottom:18px}.email{font-size:32px}
 .eyebrow{margin-bottom:22px}.footer{padding-block:24px}
}
@media(max-width:350px){.shell{width:calc(100% - 36px)}.hero h1{font-size:34px}.materials>h2{font-size:27px}.hero-visual figcaption{gap:8px}.email{font-size:28px}}