:root{
  --turf:#07120F;
  --turf-2:#0E1F1A;
  --glass:#142B24;
  --lime:#C8FF3D;
  --mint:#7CFFB2;
  --ember:#FF6A3D;
  --violet:#6E5BFF;
  --ink:#F2F6F1;
  --muted:#8FA79C;
  --line:#2E4A40;
  --amber:#FFC857;
  --gutter:clamp(16px,4vw,48px);
  --rail:88px;
  --max:1440px;
  --radius:2px;
  --font-display:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC",system-ui,sans-serif;
  --font-body:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box;}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}

body{
  margin:0;
  background-color:var(--turf);
  background-image:
    linear-gradient(90deg,rgba(46,74,64,.20) 1px,transparent 1px),
    linear-gradient(0deg,rgba(46,74,64,.13) 1px,transparent 1px),
    radial-gradient(1200px 620px at 78% -12%,rgba(124,255,178,.10),transparent 62%),
    radial-gradient(900px 520px at 4% 12%,rgba(110,91,255,.07),transparent 60%);
  background-size:88px 88px,88px 88px,100% 100%,100% 100%;
  background-attachment:fixed;
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}

img,svg,video{max-width:100%;height:auto;display:block;}

h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--mint);text-decoration:none;}
a:hover{color:var(--lime);}
button{font-family:inherit;}
table{border-collapse:collapse;width:100%;}

:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:1px;
}

::selection{background:var(--lime);color:#07120F;}

#main-content{display:block;scroll-margin-top:96px;}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;
  top:-100px;
  left:16px;
  z-index:200;
  display:inline-block;
  padding:12px 20px;
  background:var(--lime);
  color:#07120F;
  font-weight:700;
  font-size:14px;
  letter-spacing:.04em;
  border-radius:var(--radius);
  transition:top .18s ease;
}
.skip-link:focus,
.skip-link:focus-visible{top:12px;color:#07120F;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(7,18,15,.88);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(1.25);
  backdrop-filter:blur(14px) saturate(1.25);
}

.header-inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,28px);
  width:100%;
  max-width:var(--max);
  min-height:76px;
  margin-inline:auto;
  padding:10px var(--gutter);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  padding-left:12px;
  border-left:3px solid var(--lime);
  color:var(--ink);
  text-decoration:none;
}
.brand:hover{color:var(--ink);}

.brand-mark{
  width:9px;
  height:9px;
  flex:0 0 auto;
  background:var(--lime);
  transform:rotate(45deg);
  box-shadow:0 0 14px rgba(200,255,61,.75);
  animation:markPulse 3.4s ease-in-out infinite;
}
@keyframes markPulse{
  0%,100%{opacity:1;box-shadow:0 0 14px rgba(200,255,61,.75);}
  50%{opacity:.6;box-shadow:0 0 4px rgba(200,255,61,.35);}
}

.brand-text{
  display:flex;
  flex-direction:column;
  gap:3px;
  line-height:1.1;
}
.brand-name{
  font-family:var(--font-display);
  font-size:18px;
  font-weight:800;
  letter-spacing:.06em;
  color:var(--ink);
  white-space:nowrap;
}
.brand-note{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
  white-space:nowrap;
}

.header-nav{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:clamp(8px,1.6vw,24px);
  flex:1 1 auto;
  min-width:0;
}

.nav-list{
  display:flex;
  align-items:center;
  gap:clamp(2px,1vw,16px);
  flex-wrap:nowrap;
}

.nav-item{flex:0 0 auto;}

.nav-link{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:9px 8px 11px;
  color:var(--muted);
  font-size:14px;
  letter-spacing:.02em;
  text-decoration:none;
  white-space:nowrap;
  transition:color .18s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:8px;
  right:8px;
  bottom:4px;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.nav-link:hover,
.nav-link:focus-visible{color:var(--ink);}
.nav-link:hover::after,
.nav-link:focus-visible::after{transform:scaleX(1);}
.nav-link[aria-current="page"]{color:var(--lime);}
.nav-link[aria-current="page"]::after{transform:scaleX(1);}

.nav-index{
  font-family:var(--font-mono);
  font-size:10px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--line);
  transition:color .18s ease;
}
.nav-link:hover .nav-index,
.nav-link[aria-current="page"] .nav-index{color:var(--mint);}

.nav-label{display:inline-block;}

.header-cta{flex:0 0 auto;}

.header-progress{
  position:absolute;
  left:0;
  bottom:-1px;
  height:2px;
  width:0;
  background:linear-gradient(90deg,var(--mint),var(--lime));
  box-shadow:0 0 12px rgba(200,255,61,.5);
  transition:width .12s linear;
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  margin-left:auto;
  padding:10px 14px;
  background:rgba(20,43,36,.6);
  border:1px solid var(--line);
  border-radius:var(--radius);
  color:var(--ink);
  font-size:13px;
  letter-spacing:.08em;
  cursor:pointer;
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime);}

.nav-toggle-box{
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  width:18px;
  height:12px;
}
.nav-toggle-bar{
  display:block;
  width:100%;
  height:2px;
  background:currentColor;
  transition:transform .2s ease,opacity .2s ease;
}
.site-header[data-open] .nav-toggle-bar:nth-child(1){transform:translateY(5px) rotate(45deg);}
.site-header[data-open] .nav-toggle-bar:nth-child(2){opacity:0;}
.site-header[data-open] .nav-toggle-bar:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

.nav-toggle-label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border:1px solid transparent;
  border-radius:var(--radius);
  font-family:var(--font-body);
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  line-height:1.2;
  text-decoration:none;
  cursor:pointer;
  transition:transform .16s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-lime{
  background:var(--lime);
  border-color:var(--lime);
  color:#07120F;
}
.btn-lime:hover{
  background:var(--mint);
  border-color:var(--mint);
  color:#07120F;
  transform:translateY(-1px);
}
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--ink);
}
.btn-ghost:hover{
  border-color:var(--lime);
  color:var(--lime);
  transform:translateY(-1px);
}
.btn-block{width:100%;}

/* ---------- layout ---------- */
.container{
  width:100%;
  max-width:var(--max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.page-shell{
  display:block;
  padding-block:clamp(24px,4vw,52px);
}

.breadcrumb{padding-block:14px;}
.breadcrumb-list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--muted);
}
.breadcrumb-item{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb-item::after{content:"/";color:var(--line);}
.breadcrumb-item:last-child::after{content:"";}
.breadcrumb-item a{color:var(--muted);}
.breadcrumb-item a:hover{color:var(--lime);}
.breadcrumb-current{color:var(--ink);}

.section-grid{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:clamp(16px,3vw,44px);
  padding-block:clamp(26px,4.5vw,56px);
  border-top:1px solid var(--line);
  scroll-margin-top:104px;
}
.section-index{
  font-family:var(--font-mono);
  font-size:clamp(28px,4.6vw,58px);
  font-weight:600;
  line-height:1;
  color:var(--line);
  font-variant-numeric:tabular-nums;
  transition:color .22s ease;
}
[data-section].is-current .section-index{color:var(--lime);}
.section-body{min-width:0;}

/* ---------- typography ---------- */
.eyebrow{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--mint);
}
.display-title{
  font-family:var(--font-display);
  font-size:clamp(34px,5.6vw,72px);
  font-weight:800;
  line-height:1.04;
  letter-spacing:-.012em;
  color:var(--ink);
}
.lede{
  max-width:68ch;
  margin-top:16px;
  font-size:clamp(16px,1.6vw,18px);
  line-height:1.75;
  color:var(--muted);
}
.num{
  font-family:var(--font-mono);
  font-weight:600;
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
}
.divider{
  height:1px;
  border:0;
  margin:0;
  background:var(--line);
}
.text-muted{color:var(--muted);}
.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

/* ---------- surfaces ---------- */
.glass{
  background:rgba(20,43,36,.58);
  border:1px solid rgba(46,74,64,.9);
  border-radius:var(--radius);
  -webkit-backdrop-filter:blur(10px) saturate(1.2);
  backdrop-filter:blur(10px) saturate(1.2);
}
.panel{
  background:var(--turf-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(18px,3vw,32px);
}

.data-band{
  position:relative;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:linear-gradient(90deg,rgba(20,43,36,.92),rgba(7,18,15,.55) 62%,rgba(20,43,36,.85));
  overflow:hidden;
}
.data-band-track{
  display:flex;
  align-items:center;
  gap:clamp(20px,4vw,64px);
  padding:16px var(--gutter);
  overflow-x:auto;
  scrollbar-width:thin;
  scrollbar-color:var(--line) transparent;
}
.data-band-track::-webkit-scrollbar{height:6px;}
.data-band-track::-webkit-scrollbar-thumb{background:var(--line);}

/* ---------- chips ---------- */
.chip-group{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.chip{
  appearance:none;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 15px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(20,43,36,.6);
  color:var(--muted);
  font-family:var(--font-body);
  font-size:13px;
  letter-spacing:.04em;
  cursor:pointer;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.chip:hover{color:var(--ink);border-color:var(--mint);}
.chip[aria-pressed="true"]{
  background:var(--lime);
  border-color:var(--lime);
  color:#07120F;
  font-weight:700;
}
[data-filter-item].is-hidden{display:none !important;}

/* ---------- tags ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 9px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--muted);
  white-space:nowrap;
}
.tag-lime{color:var(--lime);border-color:rgba(200,255,61,.45);background:rgba(200,255,61,.08);}
.tag-ember{color:var(--ember);border-color:rgba(255,106,61,.45);background:rgba(255,106,61,.08);}
.tag-mint{color:var(--mint);border-color:rgba(124,255,178,.40);background:rgba(124,255,178,.07);}
.tag-violet{color:#A79BFF;border-color:rgba(110,91,255,.50);background:rgba(110,91,255,.12);}

/* ---------- media ---------- */
.media{
  position:relative;
  display:block;
  width:100%;
  overflow:hidden;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,18,15,0) 42%,rgba(7,18,15,.82) 100%);
  pointer-events:none;
}
.media-frame{aspect-ratio:16 / 9;}
.media-frame-tall{aspect-ratio:4 / 5;}
.media-img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:contrast(1.06) saturate(.92) brightness(.86);
}
.media-caption{
  position:absolute;
  left:14px;
  right:14px;
  bottom:12px;
  z-index:2;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--muted);
}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,120px);
  background:var(--turf-2);
  border-top:1px solid var(--line);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:2px;
  background:linear-gradient(90deg,var(--lime),rgba(200,255,61,0) 58%,rgba(255,106,61,.7));
}
.footer-glow{
  position:absolute;
  top:-180px;
  right:-140px;
  width:520px;
  height:520px;
  background:radial-gradient(circle,rgba(124,255,178,.16),transparent 66%);
  pointer-events:none;
}
.footer-inner{
  position:relative;
  max-width:var(--max);
  margin-inline:auto;
  padding:clamp(38px,5.5vw,72px) var(--gutter) 26px;
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.7fr);
  gap:clamp(28px,5vw,72px);
  align-items:start;
}
.footer-brand{min-width:0;}
.footer-wordmark{
  font-family:var(--font-display);
  font-size:clamp(34px,5.4vw,64px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--ink);
  margin-bottom:14px;
}
.footer-tagline{
  max-width:34ch;
  font-size:14px;
  line-height:1.7;
  color:var(--muted);
}
.footer-sign{
  margin-top:16px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--line);
}
.footer-nav{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(18px,3vw,40px);
}
.footer-col{min-width:0;}
.footer-title{
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--lime);
}
.footer-links{
  display:grid;
  gap:9px;
  font-size:14px;
  line-height:1.6;
}
.footer-link{
  display:inline-block;
  position:relative;
  padding-left:12px;
  color:var(--muted);
  transition:color .18s ease,padding-left .18s ease;
}
.footer-link::before{
  content:"";
  position:absolute;
  left:0;
  top:.62em;
  width:5px;
  height:5px;
  background:var(--line);
  transform:rotate(45deg);
  transition:background .18s ease;
}
.footer-link:hover{color:var(--ink);padding-left:15px;}
.footer-link:hover::before{background:var(--lime);}

.footer-col-contact{grid-column:auto;}
.footer-contact{gap:11px;}
.contact-line{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:8px;
  font-size:13.5px;
  line-height:1.65;
  color:var(--ink);
  word-break:break-word;
}
.contact-label{
  flex:0 0 auto;
  min-width:34px;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
}
.footer-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  margin-top:clamp(28px,4vw,52px);
  padding-top:20px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--muted);
}
.footer-copy{color:var(--ink);}
.footer-domain{color:var(--muted);}
.footer-icp{color:var(--muted);}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .header-inner{min-height:70px;}
  .brand-name{font-size:16px;}
  .nav-link{font-size:13px;padding:8px 6px 10px;}
  .nav-link::after{left:6px;right:6px;}
}

@media (max-width:960px){
  .header-inner{
    min-height:64px;
    gap:12px;
    padding-block:8px;
  }
  .brand{margin-right:auto;}
  .nav-toggle{display:inline-flex;}
  .header-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    max-height:calc(100vh - 64px);
    overflow-y:auto;
    padding:12px var(--gutter) 22px;
    background:var(--turf-2);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 48px rgba(0,0,0,.5);
  }
  .site-header[data-open] .header-nav{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;width:100%;}
  .nav-item{border-bottom:1px solid rgba(46,74,64,.55);}
  .nav-item:last-child{border-bottom:0;}
  .nav-link{
    width:100%;
    justify-content:space-between;
    padding:15px 4px;
    font-size:16px;
  }
  .nav-link::after{left:4px;right:4px;bottom:8px;}
  .nav-index{order:2;font-size:12px;}
  .header-cta{
    width:100%;
    margin-top:16px;
    padding-block:14px;
  }
  .footer-top{grid-template-columns:minmax(0,1fr);}
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-col-contact{grid-column:1 / -1;}
}

@media (max-width:600px){
  body{font-size:15.5px;}
  .brand-note{display:none;}
  .brand-name{font-size:15px;letter-spacing:.04em;}
  .section-grid{grid-template-columns:minmax(0,1fr);gap:10px;}
  .section-index{font-size:30px;}
  .footer-nav{grid-template-columns:minmax(0,1fr);gap:22px;}
  .footer-col-contact{grid-column:auto;}
  .footer-meta{flex-direction:column;align-items:flex-start;gap:6px;}
}

@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;
  }
  .header-progress{transition:none;}
}