:root{
  --ink-green:#062A23;
  --carbon:#0B0F0E;
  --chalk:#F2EFE6;
  --moss:#2F5D4E;
  --slate-teal:#123B31;
  --stone:#7E8C86;
  --volt:#18E0D0;
  --track:#FF6A2A;
  --clay:#B46A4A;
  --glass-cyan:#BFEFE7;
  --font-display:"Smiley Sans","Noto Sans SC","Source Han Sans SC","PingFang SC",sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB",sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","STSong",serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --w-max:1240px;
  --pad-x:clamp(18px,4vw,44px);
  --gap:clamp(16px,2.4vw,30px);
  --radius:2px;
  --hair:1px solid rgba(242,239,230,.14);
  --hair-strong:1px solid rgba(24,224,208,.34);
  --shadow-deep:0 24px 60px rgba(0,0,0,.42);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-green);
  color:var(--chalk);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block}
h1,h2,h3,h4,p,ul,ol,dl,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--volt);text-decoration:none}
a:hover{color:var(--glass-cyan)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{
  outline:2px solid var(--volt);
  outline-offset:3px;
  border-radius:1px;
}
::selection{background:var(--volt);color:var(--carbon)}

/* ---------- layout ---------- */
.container{
  width:100%;
  max-width:var(--w-max);
  margin-inline:auto;
  padding-inline:var(--pad-x);
}
.section{padding-block:clamp(44px,6vw,88px)}
.section--tight{padding-block:clamp(28px,3.6vw,52px)}
.section__head{margin-bottom:clamp(20px,3vw,36px)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--volt);
}
.eyebrow::before{
  content:"";
  width:26px;height:2px;
  background:var(--track);
  transform:skewX(-24deg);
}
.grid{display:grid;gap:var(--gap);grid-template-columns:repeat(12,minmax(0,1fr))}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--asym{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.prose{max-width:62ch;line-height:1.72}
.prose--narrow{max-width:42ch}
.prose p+p{margin-top:1em}
.prose h3{margin-top:1.6em}
.prose a{text-decoration:underline;text-underline-offset:3px}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;
  top:10px;left:10px;
  z-index:200;
  padding:10px 18px;
  background:var(--volt);
  color:var(--carbon);
  font-weight:700;
  transform:translateY(-160%);
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0);color:var(--carbon)}

/* ---------- masthead ---------- */
.masthead{
  position:relative;
  z-index:60;
  background:
    linear-gradient(180deg,rgba(6,42,35,.98),rgba(6,42,35,.94)),
    repeating-linear-gradient(90deg,rgba(24,224,208,.06) 0 1px,transparent 1px 84px);
  border-bottom:var(--hair);
}
.masthead__inner{
  width:100%;
  max-width:var(--w-max);
  margin-inline:auto;
  padding-inline:var(--pad-x);
}
.masthead__top{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
  align-items:center;
  gap:14px;
  padding-block:clamp(14px,2vw,22px) clamp(8px,1.2vw,12px);
}
.masthead__brandline{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  line-height:1.1;
}
.masthead__brand{
  font-family:var(--font-display);
  font-size:clamp(26px,3.4vw,40px);
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--chalk);
  transform:scaleX(.96);
}
.masthead__brand:hover{color:var(--volt)}
.masthead__sub{
  margin-top:4px;
  font-family:var(--font-mono);
  font-size:clamp(10px,.95vw,12px);
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--volt);
}
.masthead__descriptor{
  margin-top:3px;
  font-family:var(--font-serif);
  font-size:clamp(11px,1.1vw,13px);
  color:var(--stone);
}
.masthead__utility{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
}
.masthead__utility--right{justify-content:flex-end}
.masthead__utility--left{justify-content:flex-start}
.version-switch{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border:1px solid rgba(24,224,208,.3);
  color:var(--glass-cyan);
  font-size:12px;
  letter-spacing:.06em;
  background:rgba(18,59,49,.5);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.version-switch:hover{border-color:var(--volt);background:rgba(18,59,49,.9)}
.version-switch__tag{
  font-family:var(--font-mono);
  font-size:10px;
  padding:2px 5px;
  background:var(--volt);
  color:var(--carbon);
  font-weight:700;
}
.version-switch[data-switched="true"]{border-color:var(--track);color:var(--track)}
.quick-links{display:flex;align-items:center;gap:12px}
.quick-link{
  font-size:12px;
  color:var(--stone);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.quick-link:hover{color:var(--volt);border-bottom-color:var(--volt)}
.masthead__cta{white-space:nowrap}
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border:1px solid rgba(242,239,230,.24);
  color:var(--chalk);
  font-size:12px;
  letter-spacing:.12em;
}
.nav-toggle__bars{
  position:relative;
  width:18px;height:10px;
  display:block;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;left:0;
  width:100%;height:2px;
  background:var(--volt);
  transition:transform .24s var(--ease),top .24s var(--ease);
}
.nav-toggle__bars::before{top:0}
.nav-toggle__bars::after{top:8px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:4px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:4px;transform:rotate(-45deg)}
.railbar{
  height:3px;
  width:100%;
  background:linear-gradient(90deg,var(--volt) 0 18%,var(--track) 18% 26%,rgba(242,239,230,.12) 26% 100%);
}
.masthead__navwrap{border-top:1px solid rgba(242,239,230,.08)}
.sitenav{padding-block:0}
.sitenav__list{
  display:flex;
  justify-content:center;
  align-items:stretch;
  gap:clamp(6px,2.2vw,34px);
  flex-wrap:wrap;
}
.sitenav__link{
  position:relative;
  display:block;
  padding:13px 2px;
  font-size:14px;
  letter-spacing:.1em;
  color:rgba(242,239,230,.74);
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.sitenav__link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--track);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.sitenav__link:hover{color:var(--chalk)}
.sitenav__link:hover::after{transform:scaleX(1)}
.sitenav__link[aria-current="page"]{color:var(--volt);font-weight:700}
.sitenav__link[aria-current="page"]::after{background:var(--volt);transform:scaleX(1)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border:1px solid transparent;
  border-radius:var(--radius);
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  line-height:1.2;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn--track{background:var(--track);color:var(--carbon)}
.btn--track:hover{background:#FF8351;color:var(--carbon)}
.btn--volt{background:var(--volt);color:var(--carbon)}
.btn--volt:hover{background:var(--glass-cyan);color:var(--carbon)}
.btn--ghost{
  border-color:rgba(24,224,208,.5);
  color:var(--volt);
  background:transparent;
}
.btn--ghost:hover{border-color:var(--volt);background:rgba(24,224,208,.1);color:var(--chalk)}

/* ---------- breadcrumbs ---------- */
.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--stone);
  padding-block:14px;
}
.breadcrumbs__item{display:inline-flex;align-items:center;gap:8px;color:var(--stone)}
.breadcrumbs__item+.breadcrumbs__item::before{content:"/";color:rgba(126,140,134,.6)}
.breadcrumbs__item a{color:var(--stone)}
.breadcrumbs__item a:hover{color:var(--volt)}
.breadcrumbs__item[aria-current="page"]{color:var(--glass-cyan)}

/* ---------- panels ---------- */
.panel{
  position:relative;
  padding:clamp(20px,3vw,34px);
  background:var(--slate-teal);
  border:1px solid rgba(242,239,230,.1);
}
.panel--glass{
  background:rgba(191,239,231,.08);
  border:1px solid rgba(191,239,231,.22);
  backdrop-filter:blur(9px);
}
.panel--solid{background:var(--carbon);border-color:rgba(242,239,230,.1)}

/* ---------- data band ---------- */
.data-band{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:1px;
  background:rgba(24,224,208,.22);
  border-block:1px solid rgba(24,224,208,.22);
}
.data-band__item{
  background:var(--carbon);
  padding:clamp(14px,2vw,22px);
}
.metric{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(24px,3.4vw,40px);
  line-height:1.05;
  color:var(--volt);
  letter-spacing:-.02em;
  display:block;
}
.metric--track{color:var(--track)}
.metric__unit{font-size:.5em;color:var(--stone);letter-spacing:.04em}
.metric__label{
  display:block;
  margin-top:6px;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--stone);
}

/* ---------- chips ---------- */
.chipbar{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.chip{
  padding:7px 14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--glass-cyan);
  background:rgba(18,59,49,.7);
  border:1px solid rgba(24,224,208,.24);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{border-color:var(--volt);color:var(--chalk)}
.chip[aria-pressed="true"]{
  background:var(--volt);
  border-color:var(--volt);
  color:var(--carbon);
  font-weight:700;
}
[data-filtered-out="true"]{display:none !important}

/* ---------- media ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  background:
    repeating-linear-gradient(135deg,rgba(24,224,208,.1) 0 2px,transparent 2px 14px),
    var(--slate-teal);
  border:1px solid rgba(242,239,230,.12);
  aspect-ratio:16/9;
}
.media-frame img{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
}
.media-frame--tall{aspect-ratio:4/5}
.media-frame--square{aspect-ratio:1/1}
.media-frame figcaption{
  position:absolute;
  left:0;bottom:0;
  padding:8px 12px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  background:rgba(11,15,14,.82);
  color:var(--glass-cyan);
}

/* ---------- slants ---------- */
.slant-top{
  height:clamp(18px,3vw,34px);
  background:var(--carbon);
  clip-path:polygon(0 100%,0 42%,100% 0,100% 100%);
}
.slant-bottom{
  height:clamp(18px,3vw,34px);
  background:var(--carbon);
  clip-path:polygon(0 0,100% 0,100% 58%,0 100%);
}

/* ---------- reveal & progress ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.scroll-progress{
  position:fixed;
  top:0;left:0;
  height:3px;width:0;
  background:linear-gradient(90deg,var(--volt),var(--track));
  z-index:120;
  pointer-events:none;
}
.back-top{
  position:fixed;
  right:16px;bottom:16px;
  z-index:110;
  padding:10px 14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  background:var(--carbon);
  border:1px solid rgba(24,224,208,.4);
  color:var(--volt);
  opacity:0;
  pointer-events:none;
  transition:opacity .24s var(--ease),border-color .2s var(--ease);
}
.back-top.is-visible{opacity:1;pointer-events:auto}
.back-top:hover{border-color:var(--volt)}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(40px,6vw,80px);
  background:var(--carbon);
  color:rgba(242,239,230,.82);
  border-top:1px solid rgba(24,224,208,.2);
}
.site-footer__edge{margin-top:-1px;background:var(--carbon)}
.footer__grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,.7fr)) minmax(0,1.4fr);
  gap:clamp(20px,3vw,40px);
  padding-block:clamp(34px,5vw,58px);
}
.footer__brandline{
  font-family:var(--font-display);
  font-size:clamp(20px,2.3vw,26px);
  letter-spacing:-.01em;
  color:var(--chalk);
  line-height:1.2;
}
.footer__pitch{
  margin-block:12px 20px;
  font-size:14px;
  line-height:1.65;
  color:var(--stone);
  max-width:34ch;
}
.footer__coltitle{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--volt);
  padding-bottom:10px;
  margin-bottom:12px;
  border-bottom:1px solid rgba(24,224,208,.24);
}
.footer__links{display:grid;gap:9px}
.footer__links a{
  font-size:14px;
  color:rgba(242,239,230,.76);
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer__links a:hover{color:var(--volt);border-bottom-color:var(--volt)}
.footer__contact{min-width:0}
.contact-line{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  line-height:1.5;
  padding-block:6px;
  border-bottom:1px dashed rgba(126,140,134,.28);
  word-break:break-word;
}
.contact-line--stack{align-items:flex-start}
.contact-line__key{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.14em;
  color:var(--stone);
  text-transform:uppercase;
}
.contact-line__val{color:rgba(242,239,230,.9);font-size:13px}
a.contact-line__val{color:var(--glass-cyan)}
a.contact-line__val:hover{color:var(--volt)}
.copy-btn{
  flex:0 0 auto;
  margin-left:auto;
  padding:3px 8px;
  font-size:10px;
  letter-spacing:.1em;
  border:1px solid rgba(24,224,208,.34);
  color:var(--volt);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.copy-btn:hover{background:var(--volt);color:var(--carbon)}
.copy-btn.is-copied{background:var(--track);border-color:var(--track);color:var(--carbon)}
.footer__note{
  margin-top:10px;
  font-size:12px;
  line-height:1.6;
  color:var(--stone);
}
.footer__legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  padding-block:16px 26px;
  border-top:1px solid rgba(242,239,230,.12);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--stone);
}
.footer__icp{color:rgba(242,239,230,.7)}
.footer__copy{color:var(--stone)}
.footer__year{color:var(--glass-cyan)}
.footer__totop{
  margin-left:auto;
  color:var(--volt);
  border-bottom:1px solid transparent;
}
.footer__totop:hover{border-bottom-color:var(--volt)}

/* ---------- tablet ---------- */
@media (max-width:1024px){
  .masthead__top{
    grid-template-columns:1fr auto;
    grid-template-areas:
      "brand brand"
      "left right";
    row-gap:12px;
  }
  .masthead__brandline{grid-area:brand}
  .masthead__utility--left{grid-area:left}
  .masthead__utility--right{grid-area:right}
  .quick-links{display:none}
  .footer__grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .footer__brand{grid-column:1 / -1}
  .footer__contact{grid-column:1 / -1}
  .grid--asym{grid-template-columns:1fr}
}

/* ---------- mobile ---------- */
@media (max-width:759px){
  body{font-size:16px}
  .masthead__top{
    grid-template-columns:1fr auto;
    grid-template-areas:
      "brand toggle"
      "left left"
      "right right";
  }
  .masthead__brandline{align-items:flex-start;text-align:left}
  .masthead__descriptor{font-size:11px}
  .masthead__utility--right{
    justify-content:space-between;
    flex-wrap:wrap;
    gap:10px;
  }
  .masthead__utility--left{display:none}
  .nav-toggle{display:inline-flex;grid-area:toggle}
  .masthead__navwrap{position:relative}
  .sitenav{
    position:absolute;
    top:0;left:0;right:0;
    background:var(--carbon);
    border-bottom:1px solid rgba(24,224,208,.3);
    box-shadow:var(--shadow-deep);
    max-height:0;
    overflow:hidden;
    opacity:0;
    pointer-events:none;
    transition:max-height .3s var(--ease),opacity .24s var(--ease);
    z-index:70;
  }
  .sitenav[data-open="true"]{
    max-height:60vh;
    overflow-y:auto;
    opacity:1;
    pointer-events:auto;
  }
  .sitenav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px var(--pad-x) 18px;
  }
  .sitenav__link{
    padding:14px 0;
    font-size:16px;
    border-bottom:1px solid rgba(242,239,230,.1);
  }
  .sitenav__link::after{display:none}
  .sitenav__link[aria-current="page"]{
    color:var(--volt);
    padding-left:12px;
    border-left:3px solid var(--volt);
  }
  .masthead__cta{display:none}
  .grid,.grid--2,.grid--3{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .footer__legal{flex-direction:column;align-items:flex-start}
  .footer__totop{margin-left:0}
  .data-band{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
  .sitenav{transition:none}
}