/* ============ 0. Reset ============ */
*,*::before,*::after{box-sizing:border-box}
html,body,h1,h2,h3,h4,p,ul,ol,li,dl,dd,dt,figure,blockquote,address{margin:0;padding:0}
ul,ol{list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit}
address{font-style:normal}

/* ============ 1. Tokens ============ */
:root{
  --ink:#081B16;
  --panel:#102E27;
  --cyan:#4FF3C8;
  --cyan-soft:#A8F5E2;
  --orange:#FF5A2B;
  --paper:#F3F8F5;
  --moss:#8CA79E;
  --sand:#E6EDE8;
  --night:#040D0B;
  --line:#1F4A3F;
  --rail-w:88px;
  --topbar-h:64px;
  --gap:24px;
  --maxw:1280px;
  --edge:clamp(20px,4vw,56px);
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-display:"Helvetica Neue","Arial Narrow","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

/* ============ 2. Base ============ */
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--topbar-h) + 12px)}
body{
  min-height:100vh;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
::selection{background:var(--cyan);color:var(--ink)}
:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  box-shadow:0 0 0 4px rgba(79,243,200,.18);
  border-radius:2px;
}
[hidden]{display:none !important}

/* ============ 3. Typography ============ */
h1,h2,h3{font-family:var(--font-display);font-weight:900;letter-spacing:-.02em;line-height:.95;text-wrap:balance}
h1{font-size:clamp(40px,6.5vw,96px)}
h2{font-size:clamp(28px,3.6vw,48px)}
h3{font-size:clamp(19px,2vw,24px);line-height:1.2;letter-spacing:-.01em}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  line-height:1.4;
  color:var(--moss);
}
.lede{font-size:16px;line-height:1.75;color:var(--moss);max-width:34em}
.prose{max-width:36em;font-size:16px;line-height:1.75;color:rgba(243,248,245,.86)}
.prose p + p{margin-top:.9em}
.prose strong{color:var(--paper);font-weight:700}
.link-underline{
  position:relative;
  display:inline-block;
  padding-bottom:2px;
  color:var(--paper);
  text-decoration:none;
  border-bottom:1px solid var(--moss);
  transition:color .18s ease,border-color .18s ease;
}
.link-underline::after{
  content:"";
  position:absolute;
  left:0;bottom:-1px;
  width:100%;height:1px;
  background:var(--cyan);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s ease;
}
.link-underline:hover,.link-underline:focus-visible{color:var(--cyan);border-color:var(--cyan)}
.link-underline:hover::after,.link-underline:focus-visible::after{transform:scaleX(1)}

/* ============ 4. Layout ============ */
#main-content{padding-top:var(--topbar-h);padding-left:var(--rail-w)}
.container{
  width:100%;
  max-width:var(--maxw);
  margin-inline-start:0;
  margin-inline-end:auto;
  padding-inline:var(--edge);
}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gap)}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.panel-stack{display:flex;flex-direction:column;gap:96px}
.page-head{padding:clamp(28px,4vw,56px) 0 clamp(20px,3vw,32px)}
.page-head__eyebrow{
  display:block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--cyan);
  margin-bottom:14px;
}
.page-head__title{font-size:clamp(40px,6.5vw,96px);line-height:.92;max-width:16ch}
.page-head__lede{margin-top:18px;max-width:34em;font-size:16px;color:var(--moss)}

/* ============ 5. Buttons & pills ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  font-family:var(--font-body);
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
  text-decoration:none;
  border:1px solid transparent;
  border-radius:2px;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn--primary{background:var(--cyan);color:var(--ink)}
.btn--primary:hover{background:var(--cyan-soft)}
.btn--ghost{border-color:var(--cyan);color:var(--cyan);background:transparent}
.btn--ghost:hover{background:rgba(79,243,200,.12);color:var(--cyan-soft)}
.btn--quiet{border-color:var(--line);color:var(--paper);background:transparent}
.btn--quiet:hover{border-color:var(--cyan);color:var(--cyan)}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:36px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:transparent;
  color:var(--moss);
  font-size:13px;
  line-height:1;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.pill:hover{color:var(--paper);border-color:var(--cyan)}
.pill[aria-pressed="true"]{background:var(--cyan);border-color:var(--cyan);color:var(--ink);font-weight:700}

/* ============ 6. Panels ============ */
.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:2px;
  padding:clamp(20px,3vw,40px);
  transition:transform .18s ease,border-color .18s ease;
}
.panel:hover{transform:translateY(-2px);border-color:var(--cyan)}
.panel--bare{background:transparent;border-color:transparent;border-top:1px solid var(--line);border-radius:0;padding-inline:0}
.panel--bare:hover{transform:none;border-color:transparent;border-top-color:var(--cyan)}
.panel__head{
  display:flex;
  align-items:flex-start;
  gap:clamp(14px,2vw,28px);
  padding-bottom:14px;
  margin-bottom:20px;
  border-bottom:1px solid var(--line);
}
.panel__foot{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid var(--line);
}
.section-num{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  font-size:clamp(34px,4vw,56px);
  line-height:.85;
  letter-spacing:-.03em;
  color:var(--moss);
  transition:color .3s ease;
}
.is-live .section-num{color:var(--cyan)}
.section-title{font-size:clamp(22px,2.6vw,34px);font-weight:800;line-height:1.05;letter-spacing:-.01em;margin-top:6px}

/* ============ 7. Breadcrumb ============ */
.breadcrumb{padding:18px 0 0}
.breadcrumb__list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--moss);
}
.breadcrumb__item{display:flex;align-items:baseline;gap:8px}
.breadcrumb__item + .breadcrumb__item::before{content:"/";color:var(--line)}
.breadcrumb__item a{color:var(--moss);text-decoration:none;border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease}
.breadcrumb__item a:hover{color:var(--cyan);border-color:var(--cyan)}

/* ============ 8. Media frames ============ */
.media-frame{
  position:relative;
  overflow:hidden;
  background:var(--night);
  border:1px solid var(--line);
  aspect-ratio:16/10;
}
.media-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:brightness(.82) contrast(1.06) saturate(.95);
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(4,13,11,0) 35%,rgba(4,13,11,.78) 100%);
  pointer-events:none;
}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame--bleed{margin-right:calc(var(--edge) * -1)}
.media-frame__placeholder{
  display:grid;
  place-items:center;
  height:100%;
  padding:16px;
  text-align:center;
  background:repeating-linear-gradient(135deg,rgba(31,74,63,.55) 0 1px,transparent 1px 14px);
  color:var(--moss);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
}
.media-frame__caption{
  position:absolute;
  left:14px;right:14px;bottom:12px;
  z-index:2;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--cyan-soft);
}

/* ============ 9. Horizontal strip ============ */
.strip{position:relative}
.strip__head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  margin-bottom:12px;
}
.strip__hint{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.14em;
  color:var(--moss);
  white-space:nowrap;
}
.strip__track{
  display:flex;
  gap:16px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  padding-bottom:12px;
  scrollbar-width:thin;
  scrollbar-color:var(--line) transparent;
}
.strip__track::-webkit-scrollbar{height:3px}
.strip__track::-webkit-scrollbar-track{background:transparent}
.strip__track::-webkit-scrollbar-thumb{background:var(--line);border-radius:2px}
.strip__item{
  flex:0 0 clamp(220px,26vw,300px);
  scroll-snap-align:start;
  background:var(--panel);
  border:1px solid var(--line);
  padding:16px;
  min-height:96px;
  transition:border-color .18s ease,transform .18s ease;
}
.strip__item:hover{border-color:var(--cyan);transform:translateY(-2px)}

/* ============ 10. Header ============ */
.skip-link{
  position:absolute;
  top:-72px;left:8px;
  z-index:200;
  padding:12px 18px;
  background:var(--cyan);
  color:var(--ink);
  font-weight:700;
  text-decoration:none;
  border-radius:2px;
  transition:top .18s ease;
}
.skip-link:focus{top:8px}

.site-header{position:relative;z-index:60}

.progress{
  position:fixed;
  top:0;left:0;right:0;
  height:2px;
  z-index:120;
  pointer-events:none;
  background:transparent;
}
.progress__bar{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--cyan),var(--cyan-soft));
}

.topbar{
  position:fixed;
  top:0;left:0;right:0;
  height:var(--topbar-h);
  z-index:110;
  background:var(--night);
  border-bottom:1px solid var(--line);
}
.topbar__inner{
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,22px);
  height:100%;
  padding:0 clamp(12px,2vw,22px);
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--paper);min-height:44px}
.brand__mark{
  display:grid;
  place-items:center;
  width:32px;height:32px;
  flex:0 0 auto;
  background:var(--cyan);
  color:var(--ink);
  font-family:var(--font-display);
  font-weight:900;
  font-size:18px;
  line-height:1;
  letter-spacing:-.04em;
  border-radius:2px;
  transition:background-color .18s ease;
}
.brand:hover .brand__mark{background:var(--cyan-soft)}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-weight:800;font-size:15px;letter-spacing:.01em;white-space:nowrap}
.brand__tagline{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.14em;
  color:var(--moss);
  white-space:nowrap;
}
.topbar__live{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--moss);
  white-space:nowrap;
}
.live-dot{
  width:6px;height:6px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--orange);
  box-shadow:0 0 0 4px rgba(255,90,43,.16);
}
.topbar__cta{flex:0 0 auto;padding:0 18px;font-size:13px}

.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  min-height:44px;
  min-width:44px;
  padding:0 10px;
  border:1px solid var(--line);
  border-radius:2px;
  color:var(--paper);
  font-size:12px;
  letter-spacing:.12em;
  transition:color .18s ease,border-color .18s ease;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle__bars{display:grid;gap:3px;width:16px}
.nav-toggle__bars i{
  display:block;
  height:2px;
  width:100%;
  background:currentColor;
  transition:transform .18s ease,opacity .18s ease;
}
.nav-toggle[aria-expanded="true"]{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.rail{
  position:fixed;
  top:var(--topbar-h);left:0;bottom:0;
  width:var(--rail-w);
  z-index:100;
  display:flex;
  flex-direction:column;
  background:var(--night);
  border-right:1px solid var(--line);
  padding:16px 0 18px;
  overflow-y:auto;
  overscroll-behavior:contain;
}
.rail__head{
  padding:0 0 14px;
  margin-bottom:10px;
  border-bottom:1px solid var(--line);
  text-align:center;
}
.rail__kicker{
  font-family:var(--font-mono);
  font-size:9px;
  letter-spacing:.2em;
  color:var(--moss);
}
.rail__list{display:flex;flex-direction:column;gap:2px;padding:0 8px}
.rail__item{display:block}
.rail__link{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:6px;
  min-height:44px;
  padding:12px 6px;
  color:var(--moss);
  text-decoration:none;
  transition:color .18s ease;
}
.rail__link::before{
  content:"";
  position:absolute;
  left:-8px;top:10px;bottom:10px;
  width:2px;
  background:var(--cyan);
  transform:scaleY(0);
  transform-origin:top center;
  transition:transform .18s ease;
}
.rail__link:hover{color:var(--paper)}
.rail__link[aria-current="page"]{color:var(--cyan)}
.rail__link[aria-current="page"]::before{transform:scaleY(1)}
.rail__num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:10px;
  letter-spacing:.1em;
  color:inherit;
}
.rail__label{
  writing-mode:vertical-rl;
  text-orientation:upright;
  font-size:12px;
  line-height:1;
  letter-spacing:.22em;
  white-space:nowrap;
}
.rail__foot{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
  margin-top:auto;
  padding:16px 8px 0;
  border-top:1px solid var(--line);
}
.rail__meta{
  font-family:var(--font-mono);
  font-size:9px;
  line-height:1.5;
  letter-spacing:.1em;
  color:var(--moss);
  text-align:center;
}
.rail__cta{
  writing-mode:vertical-rl;
  text-orientation:upright;
  min-height:0;
  padding:12px 8px;
  font-size:11px;
  letter-spacing:.2em;
}
.rail-scrim{
  position:fixed;
  top:var(--topbar-h);left:0;right:0;bottom:0;
  z-index:95;
  background:rgba(4,13,11,.66);
}
.thumb-cta{display:none}

/* ============ 11. Footer ============ */
.site-footer{
  margin-left:var(--rail-w);
  margin-top:clamp(48px,7vw,96px);
  background:var(--night);
  border-top:1px solid var(--line);
  padding:clamp(40px,6vw,72px) 0 28px;
}
.footer__inner{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(28px,4vw,56px);
  max-width:var(--maxw);
  margin-inline-end:auto;
  padding-inline:var(--edge);
}
.footer__brand{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.footer__logo{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.1;
  letter-spacing:-.02em;
  color:var(--paper);
  text-decoration:none;
  transition:color .18s ease;
}
.footer__logo:hover{color:var(--cyan)}
.footer__tagline{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--moss);
}
.footer__region{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border:1px solid var(--line);
  font-size:12px;
  color:var(--cyan-soft);
}
.footer__cta{font-size:13px}
.footer__cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:24px}
.footer__col{min-width:0}
.footer__col-title{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:400;
  letter-spacing:.16em;
  line-height:1.4;
  color:var(--cyan);
  margin-bottom:12px;
}
.footer__links{display:flex;flex-direction:column;gap:8px}
.footer__links a{
  display:inline-block;
  width:fit-content;
  font-size:14px;
  color:var(--moss);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.footer__links a:hover,.footer__links a:focus-visible{color:var(--cyan);border-color:var(--cyan)}
.footer__contact{display:flex;flex-direction:column;gap:10px;min-width:0}
.footer__contact-row{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;font-size:13px;line-height:1.6}
.footer__contact-label{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.14em;
  color:var(--moss);
}
.footer__contact-value{color:var(--paper);word-break:break-word}
.footer__note{
  max-width:30em;
  padding-left:12px;
  border-left:1px solid var(--line);
  font-size:12px;
  line-height:1.7;
  color:var(--moss);
}
.footer__base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 24px;
  max-width:var(--maxw);
  margin-top:clamp(28px,4vw,48px);
  padding:18px var(--edge) 0;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--moss);
}
.footer__copy,.footer__icp,.footer__domain{white-space:nowrap}
.footer__icp{color:var(--cyan-soft)}

/* ============ 12. Responsive ============ */
@media (min-width:720px){
  .footer__inner{grid-template-columns:1fr 1fr}
  .footer__brand{grid-column:1 / -1}
  .footer__contact{grid-column:1 / -1}
}
@media (min-width:1080px){
  .footer__inner{grid-template-columns:1.1fr 1.8fr 1.1fr;align-items:start}
  .footer__brand{grid-column:auto}
  .footer__contact{grid-column:auto}
}
@media (max-width:1100px){
  .panel-stack{gap:72px}
  .span-7,.span-8{grid-column:span 12}
}
@media (max-width:900px){
  :root{--topbar-h:60px}
  #main-content{padding-left:0;padding-bottom:92px}
  #main-content.page-main--tight{padding-bottom:92px}
  .nav-toggle{display:inline-flex}
  .topbar__live{display:none}
  .topbar__cta{display:none}
  .rail{
    top:var(--topbar-h);
    width:min(340px,86vw);
    padding:20px 0 24px;
    visibility:hidden;
    transform:translateX(-100%);
    transition:transform .28s cubic-bezier(.2,.7,.3,1),visibility .28s;
    box-shadow:24px 0 60px rgba(4,13,11,.6);
    z-index:105;
  }
  .rail[data-open]{visibility:visible;transform:translateX(0)}
  .rail__head{padding:0 20px 14px;text-align:left}
  .rail__kicker{font-size:10px}
  .rail__list{padding:0 12px;gap:0}
  .rail__link{
    flex-direction:row;
    align-items:baseline;
    justify-content:flex-start;
    gap:14px;
    padding:15px 8px;
    border-bottom:1px solid var(--line);
    min-height:52px;
  }
  .rail__link::before{left:-12px;top:0;bottom:0;width:2px}
  .rail__label{
    writing-mode:horizontal-tb;
    text-orientation:mixed;
    font-size:16px;
    font-weight:700;
    letter-spacing:.04em;
  }
  .rail__num{font-size:12px}
  .rail__foot{
    flex-direction:row;
    justify-content:space-between;
    align-items:center;
    padding:18px 20px 0;
  }
  .rail__meta{text-align:left}
  .rail__cta{
    writing-mode:horizontal-tb;
    text-orientation:mixed;
    min-height:44px;
    padding:0 18px;
    font-size:12px;
    letter-spacing:.06em;
  }
  .rail-scrim{display:block}
  .thumb-cta{
    display:flex;
    position:fixed;
    left:12px;right:12px;bottom:12px;
    z-index:90;
    align-items:center;
    justify-content:center;
    min-height:52px;
    background:var(--cyan);
    color:var(--ink);
    font-weight:800;
    font-size:15px;
    letter-spacing:.06em;
    text-decoration:none;
    border-radius:2px;
    box-shadow:0 8px 24px rgba(4,13,11,.55);
  }
  .grid-12{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
  .span-4,.span-5,.span-6,.span-7,.span-8{grid-column:1 / -1}
  .panel-stack{gap:56px}
  .site-footer{margin-left:0;margin-top:56px}
  .footer__base{gap:8px 18px;font-size:10px}
  .media-frame--bleed{margin-right:0}
}
@media (max-width:520px){
  body{font-size:15px}
  .brand__tagline{display:none}
  .panel{padding:18px}
  .section-num{font-size:32px}
  .btn{width:auto}
}

/* ============ 13. Reduced motion ============ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .panel:hover,.strip__item:hover{transform:none}
  .link-underline::after{transform:scaleX(1)}
}