:root{
  --ink-900:#0A1F1A;
  --ink-850:#0E2822;
  --ink-800:#121416;
  --paper:#F1E7D8;
  --paper-dim:#E2D6C4;
  --lime:#B6FF3B;
  --orange:#FF5A1F;
  --steel:#8FA6B2;
  --silver:#C9D3D4;
  --umber:#2B1D16;
  --alert:#E23A2E;
  --moss:#3E6B5A;

  --font-display:"Oswald","Barlow Condensed","Arial Narrow","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,"Roboto Mono",Consolas,"Liberation Mono",monospace;

  --gutter:clamp(16px,3.2vw,48px);
  --maxw:1460px;
  --dur:170ms;
  --ease:cubic-bezier(.2,.7,.3,1);
  --frame-h:104px;
}

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

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

body{
  margin:0;
  background-color:var(--ink-900);
  background-image:
    linear-gradient(to right,rgba(201,211,212,.055) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(201,211,212,.055) 1px,transparent 1px);
  background-size:48px 48px;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{
  margin:0 0 .5em;
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.06;
  letter-spacing:-.01em;
}
h1{font-size:clamp(40px,6.6vw,88px);font-weight:900}
h2{font-size:clamp(28px,3.6vw,52px)}
h3{font-size:clamp(19px,1.8vw,26px);line-height:1.25}
h4{font-size:clamp(16px,1.4vw,19px)}

p{margin:0 0 1em}
p:last-child{margin-bottom:0}

a{color:var(--paper);text-decoration-color:var(--moss);text-underline-offset:3px}
a:hover{color:var(--lime);text-decoration-color:var(--orange)}

img{max-width:100%;height:auto;display:block}
ul,ol{margin:0 0 1em;padding-left:1.2em}
strong,b{font-weight:700;color:var(--paper)}
small{font-size:13px}

::selection{background:var(--lime);color:var(--ink-900)}

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

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

.grid{display:grid;gap:clamp(16px,2vw,32px)}
.grid-12{grid-template-columns:repeat(12,minmax(0,1fr))}

.section{padding-block:clamp(32px,4.6vw,68px)}

.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
}

.eyebrow{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--steel);
}

.lead{
  font-size:clamp(16px,1.5vw,19px);
  line-height:1.7;
  color:var(--silver);
  max-width:62ch;
}

.note{
  margin:0 0 1em;
  padding-left:12px;
  border-left:2px solid var(--orange);
  font-size:13px;
  line-height:1.7;
  color:var(--steel);
}

.list-plain{margin:0;padding:0;list-style:none}
.list-plain li{margin:0 0 10px}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:700;
  text-decoration:none;
  border-bottom:2px solid var(--moss);
  padding-bottom:2px;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.link-arrow::after{
  content:"→";
  font-family:var(--font-mono);
  color:var(--orange);
  transition:transform var(--dur) var(--ease);
}
.link-arrow:hover{border-bottom-color:var(--orange)}
.link-arrow:hover::after{transform:translateX(3px)}

/* ---------- section head ---------- */
.sec-head{
  display:flex;
  align-items:flex-start;
  gap:clamp(12px,2vw,22px);
  padding-bottom:14px;
  margin-bottom:clamp(20px,2.6vw,34px);
  border-bottom:2px solid rgba(201,211,212,.28);
}
.sec-num{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(30px,4vw,52px);
  line-height:.9;
  letter-spacing:-.03em;
  color:var(--lime);
  font-variant-numeric:tabular-nums;
}
.sec-head__body{min-width:0}
.sec-title{
  margin:0;
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(24px,3.2vw,44px);
  line-height:1.05;
}
.sec-head__meta{
  margin:8px 0 0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--steel);
}

/* ---------- panels & tags ---------- */
.panel{
  background:var(--ink-850);
  border:1px solid rgba(201,211,212,.26);
  border-left:4px solid var(--lime);
  padding:clamp(16px,2vw,26px);
}
.panel--paper{
  background:var(--paper);
  color:var(--umber);
  border:3px solid var(--umber);
  border-left:3px solid var(--umber);
  box-shadow:10px 10px 0 rgba(43,29,22,.55);
}
.panel--paper h2,
.panel--paper h3,
.panel--paper h4,
.panel--paper strong{color:var(--umber)}
.panel--paper .eyebrow{color:var(--moss)}
.panel--paper .mono{color:var(--umber)}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 9px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  border:1px solid var(--lime);
  color:var(--lime);
  background:rgba(182,255,59,.08);
}
.tag--hot{border-color:var(--orange);color:var(--orange);background:rgba(255,90,31,.1)}
.tag--mute{border-color:var(--silver);color:var(--silver);background:transparent}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  font-family:var(--font-body);
  font-size:14px;
  font-weight:700;
  line-height:1.2;
  letter-spacing:.02em;
  text-decoration:none;
  white-space:nowrap;
  border:2px solid var(--paper);
  background:var(--orange);
  color:var(--ink-900);
  box-shadow:4px 4px 0 rgba(0,0,0,.45);
  cursor:pointer;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),
             background var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease);
}
.btn:hover{
  transform:translate(-1px,-1px);
  box-shadow:6px 6px 0 rgba(0,0,0,.5);
  color:var(--ink-900);
}
.btn:active{
  transform:translate(2px,2px);
  box-shadow:1px 1px 0 rgba(0,0,0,.5);
}
.btn--primary{background:var(--orange);color:var(--ink-900);border-color:var(--paper)}
.btn--ghost{
  background:transparent;
  color:var(--paper);
  border-color:var(--silver);
  box-shadow:none;
}
.btn--ghost:hover{
  background:rgba(182,255,59,.08);
  color:var(--lime);
  border-color:var(--lime);
  transform:none;
  box-shadow:none;
}
.btn--paper{
  background:var(--paper);
  color:var(--umber);
  border-color:var(--umber);
  box-shadow:4px 4px 0 var(--orange);
}
.btn--paper:hover{color:var(--umber);background:var(--lime);border-color:var(--umber)}

/* ---------- breadcrumbs ---------- */
.crumbs{margin:0 0 clamp(16px,2vw,26px)}
.crumbs ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin:0;
  padding:0;
  list-style:none;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--steel);
}
.crumbs li{display:inline-flex;align-items:center;gap:10px}
.crumbs li + li::before{content:"/";color:var(--moss)}
.crumbs a{
  color:var(--silver);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.crumbs a:hover{color:var(--lime);border-bottom-color:var(--orange)}
.crumbs [aria-current="page"]{color:var(--lime)}

/* ---------- media foundation ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:16 / 10;
  background:var(--ink-850);
  border:3px solid var(--umber);
  box-shadow:10px 10px 0 -2px rgba(10,31,26,.95),0 0 0 1px rgba(201,211,212,.28);
}
.media-frame__img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame__caption{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  margin:0;
  padding:8px 12px;
  background:rgba(10,31,26,.88);
  border-top:1px solid rgba(201,211,212,.3);
  color:var(--silver);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(182,255,59,.13) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(182,255,59,.13) 1px,transparent 1px);
  background-size:56px 56px;
}
.media-frame--tall{aspect-ratio:3 / 4}
.media-frame--wide{aspect-ratio:21 / 9}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;
  top:10px;
  left:10px;
  z-index:500;
  padding:12px 18px;
  background:var(--lime);
  color:var(--ink-900);
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  text-decoration:none;
  border:3px solid var(--ink-900);
  box-shadow:4px 4px 0 var(--orange);
  transform:translateY(-180%);
  transition:transform var(--dur) var(--ease);
}
.skip-link:focus{transform:translateY(0);color:var(--ink-900)}

/* ---------- header frame ---------- */
.site-frame{
  position:sticky;
  top:0;
  z-index:300;
  background:var(--ink-800);
  border-bottom:3px solid var(--paper);
}

.frame-top{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:4px 20px;
  padding:5px var(--gutter);
  background:var(--ink-900);
  border-bottom:1px solid rgba(201,211,212,.22);
  font-family:var(--font-mono);
  font-size:10.5px;
  line-height:1.9;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--steel);
}
.frame-top__signal{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin:0;
  color:var(--lime);
  font-weight:700;
}
.frame-top__meta{margin:0}
.frame-top__meta .mono{color:var(--orange);font-weight:700}

.dot{
  display:inline-block;
  width:8px;
  height:8px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--orange);
  box-shadow:0 0 0 3px rgba(255,90,31,.2);
}

.frame-bar{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:clamp(12px,2vw,30px);
  padding:10px var(--gutter);
  background:var(--ink-800);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  padding:2px;
  text-decoration:none;
  color:var(--paper);
}
.brand:hover{color:var(--paper)}
.brand__mark{
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  flex:0 0 auto;
  background:var(--lime);
  color:var(--ink-900);
  font-family:var(--font-display);
  font-size:24px;
  font-weight:900;
  line-height:1;
  border:2px solid var(--ink-900);
  box-shadow:4px 4px 0 var(--orange);
  transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.brand:hover .brand__mark{transform:translate(-1px,-1px);box-shadow:6px 6px 0 var(--orange)}
.brand__text{display:flex;flex-direction:column;gap:2px;min-width:0}
.brand__name{
  font-family:var(--font-display);
  font-size:21px;
  font-weight:800;
  line-height:1.1;
  letter-spacing:.02em;
}
.brand__tag{
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--steel);
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:10px 14px;
  background:transparent;
  color:var(--paper);
  border:2px solid var(--paper);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  text-transform:uppercase;
  cursor:pointer;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-toggle:hover{color:var(--lime);border-color:var(--lime)}
.nav-toggle.is-open{background:var(--lime);color:var(--ink-900);border-color:var(--lime)}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:4px;width:18px}
.nav-toggle__bars i{
  display:block;
  height:2px;
  background:currentColor;
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(6px) 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(-6px) rotate(-45deg)}
.nav-toggle__label{white-space:nowrap}

.site-nav{justify-self:start;min-width:0}
.site-nav__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:2px;
  margin:0;
  padding:0;
  list-style:none;
}
.site-nav__list a{
  display:inline-block;
  padding:9px 12px;
  color:var(--paper);
  font-size:14.5px;
  font-weight:500;
  line-height:1.35;
  text-decoration:none;
  border:2px solid transparent;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.site-nav__list a:hover{
  color:var(--lime);
  background:var(--ink-900);
  border-color:var(--steel);
}
.site-nav__list a[aria-current="page"]{
  color:var(--lime);
  border-color:var(--lime);
  background:rgba(182,255,59,.08);
  font-weight:700;
}
.site-nav a[aria-current="page"]{color:var(--lime)}

.frame-actions{
  display:flex;
  align-items:center;
  gap:10px;
  justify-self:end;
}

.frame-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-3px;
  height:3px;
  background:rgba(201,211,212,.15);
  overflow:hidden;
  pointer-events:none;
}
.frame-progress__bar{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--lime) 0%,var(--orange) 100%);
}

.frame-dock{display:none}

/* ---------- footer ---------- */
.site-foot{
  margin-top:clamp(48px,7vw,96px);
  background:var(--ink-800);
  border-top:4px solid var(--lime);
  color:var(--paper);
  background-image:linear-gradient(to bottom,rgba(182,255,59,.05),transparent 180px);
}
.foot-inner{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding:clamp(32px,4vw,56px) var(--gutter) 0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:clamp(24px,3vw,48px);
  padding-bottom:clamp(26px,3vw,44px);
}
.foot-brand__name{
  margin:0 0 10px;
  font-family:var(--font-display);
  font-size:clamp(26px,3vw,38px);
  font-weight:900;
  line-height:1.05;
  letter-spacing:.01em;
}
.foot-brand__tag{
  margin:0 0 18px;
  max-width:30ch;
  font-size:14px;
  line-height:1.7;
  color:var(--steel);
}
.foot-col__title{
  margin:0 0 14px;
  padding-bottom:8px;
  border-bottom:1px solid rgba(201,211,212,.25);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--orange);
}
.foot-list{
  display:grid;
  gap:10px;
  margin:0;
  padding:0;
  list-style:none;
}
.foot-list a{
  display:inline-block;
  color:var(--paper);
  font-size:14.5px;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.foot-list a:hover{color:var(--lime);border-bottom-color:var(--orange)}

.foot-contact{
  background:var(--ink-900);
  border:2px solid rgba(201,211,212,.28);
  border-left:4px solid var(--orange);
  padding:16px 18px;
}
.foot-contact__row{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:12px;
  padding:7px 0;
  border-bottom:1px dashed rgba(201,211,212,.18);
  font-size:13.5px;
  line-height:1.6;
}
.foot-contact__row:last-of-type{border-bottom:0}
.foot-contact__label{
  padding-top:2px;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--steel);
}
.foot-contact__value{color:var(--paper);word-break:break-word}
.foot-contact__note{
  margin:12px 0 0;
  padding-top:10px;
  border-top:1px solid rgba(201,211,212,.18);
  font-size:12px;
  line-height:1.7;
  color:var(--steel);
}

.foot-base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 22px;
  padding:16px 0 26px;
  border-top:1px solid rgba(201,211,212,.22);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--steel);
}
.foot-base__legal{
  display:flex;
  flex-wrap:wrap;
  gap:6px 20px;
  margin:0;
}
.foot-base__copy{color:var(--silver)}
.foot-base__links{
  display:flex;
  flex-wrap:wrap;
  gap:8px 16px;
  margin:0;
  padding:0;
  list-style:none;
}
.foot-base__links a{
  color:var(--silver);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.foot-base__links a:hover{color:var(--lime);border-bottom-color:var(--orange)}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-contact{grid-column:1 / -1}
}

@media (max-width:960px){
  body{padding-bottom:60px}

  .frame-bar{
    grid-template-columns:minmax(0,1fr) auto;
    gap:12px;
    padding:9px var(--gutter);
  }
  .nav-toggle{display:inline-flex}
  .frame-actions{display:none}

  .site-nav{
    display:none;
    position:absolute;
    left:0;
    right:0;
    top:100%;
    background:var(--ink-800);
    border-top:3px solid var(--lime);
    border-bottom:3px solid var(--paper);
    max-height:min(68vh,560px);
    overflow-y:auto;
    box-shadow:0 26px 34px -22px #000;
    justify-self:stretch;
  }
  .site-nav[data-open="true"]{display:block}
  .site-nav[data-open="false"]{display:none}
  .site-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:10px var(--gutter) 22px;
  }
  .site-nav__list li{width:100%}
  .site-nav__list a{
    display:block;
    padding:15px 2px;
    font-size:17px;
    border-style:solid;
    border-width:0 0 1px 0;
    border-color:rgba(201,211,212,.2);
  }
  .site-nav__list a:hover{background:transparent;border-color:var(--lime)}
  .site-nav__list a[aria-current="page"]{
    background:transparent;
    border-width:0 0 3px 0;
    border-color:var(--lime);
  }

  .frame-dock{
    display:grid;
    grid-template-columns:1fr 1fr auto;
    position:fixed;
    left:0;
    right:0;
    bottom:0;
    z-index:400;
    background:var(--ink-800);
    border-top:3px solid var(--paper);
  }
  .frame-dock__item{
    display:flex;
    align-items:center;
    justify-content:center;
    padding:16px 10px;
    background:transparent;
    color:var(--paper);
    font-family:var(--font-mono);
    font-size:12px;
    font-weight:700;
    letter-spacing:.1em;
    text-decoration:none;
    border:0;
    border-left:1px solid rgba(201,211,212,.22);
    cursor:pointer;
  }
  .frame-dock__item:first-child{border-left:0}
  .frame-dock__item:hover,.frame-dock__item:active{color:var(--lime)}
  .frame-dock__item--menu{
    background:var(--lime);
    color:var(--ink-900);
    font-weight:700;
    padding-inline:20px;
  }
  .frame-dock__item--menu:hover{background:var(--orange);color:var(--ink-900)}

  .foot-grid{grid-template-columns:1fr}
  .foot-contact{grid-column:auto}
}

@media (max-width:720px){
  .frame-top{font-size:9.5px;letter-spacing:.08em}
  .frame-top__meta{display:none}
  .brand__mark{width:40px;height:40px;font-size:21px;box-shadow:3px 3px 0 var(--orange)}
  .brand__name{font-size:18px}
  .brand__tag{font-size:8.5px;letter-spacing:.12em}
  .sec-head{flex-wrap:wrap}
  .sec-num{font-size:36px}
  .foot-base{justify-content:flex-start}
}

@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;
  }
  .btn:hover,.btn:active{transform:none}
  .brand:hover .brand__mark{transform:none}
  .link-arrow:hover::after{transform:none}
}