*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,p,ol,ul,figure,blockquote{margin:0}
ol,ul{padding:0;list-style:none}
img,svg{max-width:100%}

:root{
  --ink-950:#050D18;
  --ink-900:#0A1A2F;
  --ink-700:#12345A;
  --neon-500:#B8FF3D;
  --neon-300:#DFFF9E;
  --paper:#F5F7F2;
  --black:#070B10;
  --alert:#FF5A36;
  --amber:#FFB000;
  --slate:#7E92A8;
  --font-head:"Arial Narrow","Oswald","Noto Sans SC",system-ui,sans-serif;
  --font-editorial:"Noto Serif SC",Georgia,"Songti SC",serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono","Courier New",monospace;
  --shadow-hard:6px 6px 0 var(--black);
  --wrap:1240px;
  --gutter:clamp(16px,4vw,40px);
  --line-soft:1px solid rgba(126,146,168,.32);
}

body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--paper);
  background-color:var(--ink-950);
  background-image:
    radial-gradient(circle at 14% -8%,rgba(184,255,61,.12),transparent 46%),
    repeating-linear-gradient(90deg,rgba(126,146,168,.07) 0 1px,transparent 1px 88px);
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;line-height:1.08;letter-spacing:.005em}
a{color:inherit;text-decoration:none}
p{max-width:72ch}
:focus-visible{outline:2px solid var(--neon-500);outline-offset:3px}

.skip-link{
  position:absolute;left:var(--gutter);top:-120px;z-index:999;
  display:inline-block;padding:10px 16px;
  background:var(--neon-500);color:var(--black);
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.08em;
  border:2px solid var(--black);box-shadow:var(--shadow-hard);
  transition:top .18s ease;
}
.skip-link:focus{top:10px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:linear-gradient(180deg,#0A1A2F 0%,#050D18 100%);
  border-bottom:1px solid var(--ink-700);
  color:var(--paper);
}
.site-header[data-scrolled]{box-shadow:0 12px 30px -18px rgba(0,0,0,.95)}
.header-inner{
  max-width:var(--wrap);margin-inline:auto;
  padding:10px var(--gutter);
  display:flex;align-items:center;gap:clamp(10px,2vw,26px);
  transition:padding .2s ease;
}
.site-header[data-scrolled] .header-inner{padding-block:5px}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  display:grid;place-items:center;width:38px;height:38px;
  background:var(--neon-500);color:var(--black);
  font-family:var(--font-head);font-size:1rem;font-weight:700;letter-spacing:.04em;
  border:2px solid var(--black);box-shadow:3px 3px 0 var(--ink-700);
}
.brand-text{display:flex;flex-direction:column;gap:2px}
.brand-name{font-family:var(--font-head);font-size:1.1rem;letter-spacing:.1em;line-height:1.1}
.brand-meta{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:.64rem;letter-spacing:.14em;color:var(--slate);
}
.status-dot{
  width:7px;height:7px;border-radius:50%;background:var(--neon-500);
  box-shadow:0 0 0 2px rgba(184,255,61,.22),0 0 10px rgba(184,255,61,.8);
  animation:statusPulse 2.6s ease-in-out infinite;
}
@keyframes statusPulse{0%,100%{opacity:1}50%{opacity:.45}}

.site-nav{display:flex;align-items:center;margin-left:auto}
.nav-list{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.nav-item{display:block}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 10px;border-radius:2px;
  font-family:var(--font-head);font-size:.86rem;font-weight:600;letter-spacing:.05em;
  color:rgba(245,247,242,.82);
  transition:color .16s ease,background-color .16s ease,box-shadow .16s ease;
}
.nav-index{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.1em;color:var(--slate)}
.nav-link:hover{color:var(--paper);background:rgba(18,52,90,.9)}
.nav-link:hover .nav-index{color:var(--neon-500)}
.nav-link[aria-current="page"]{
  color:var(--neon-500);background:rgba(184,255,61,.08);
  box-shadow:inset 0 -2px 0 var(--neon-500);
}
.nav-link[aria-current="page"] .nav-index{color:var(--neon-500)}

.header-tools{
  display:flex;align-items:center;gap:12px;flex:0 0 auto;
  margin-left:clamp(6px,1.5vw,20px);padding-left:clamp(6px,1.5vw,18px);
  border-left:1px solid var(--ink-700);
}
.tool-link{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;color:var(--slate);
  border-bottom:1px dashed rgba(126,146,168,.6);padding-bottom:1px;
  transition:color .16s ease,border-color .16s ease;
}
.tool-link:hover{color:var(--neon-500);border-bottom-color:var(--neon-500)}

.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:8px 12px;background:transparent;color:var(--paper);
  border:1px solid var(--ink-700);border-radius:2px;cursor:pointer;
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;
}
.nav-toggle:hover{border-color:var(--neon-500);color:var(--neon-500)}
.nav-toggle-bars{display:inline-flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle-bar{
  display:block;width:16px;height:2px;background:var(--neon-500);
  transition:transform .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:first-child{transform:translateY(3px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:last-child{transform:translateY(-3px) rotate(-45deg)}
.nav-toggle-label{line-height:1}

.header-ruler{height:2px;background:var(--ink-700);overflow:hidden}
.ruler-fill{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--neon-500),var(--neon-300));
  box-shadow:0 0 12px rgba(184,255,61,.7);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;
  font-family:var(--font-head);font-size:.94rem;font-weight:700;letter-spacing:.06em;
  color:var(--paper);background:transparent;
  border:2px solid currentColor;border-radius:2px;cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease;
}
.btn--primary{
  background:var(--neon-500);color:var(--black);border-color:var(--black);
  box-shadow:4px 4px 0 var(--ink-700);
}
.btn--primary:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--ink-700);background:var(--neon-300)}
.btn--ghost{border-color:rgba(245,247,242,.45);color:var(--paper)}
.btn--ghost:hover{transform:translate(-2px,-2px);border-color:var(--neon-500);color:var(--neon-500);box-shadow:4px 4px 0 rgba(184,255,61,.3)}
.btn--dark{background:var(--black);color:var(--paper);border-color:var(--black);box-shadow:4px 4px 0 rgba(7,11,16,.25)}
.btn--dark:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(7,11,16,.35)}
.btn--sm{font-size:.78rem;padding:7px 12px;box-shadow:3px 3px 0 var(--ink-700)}
.btn--sm:hover{box-shadow:5px 5px 0 var(--ink-700)}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.wrap--narrow{max-width:820px}
.section{padding-block:clamp(44px,7vw,96px)}
.section--dark{background:var(--ink-900);border-block:2px solid var(--black);color:var(--paper)}
.section--band{background:var(--ink-700);color:var(--paper);border-block:2px solid var(--black)}
.section--paper{background:var(--paper);color:var(--black);border-block:2px solid var(--black)}
.section-head{display:grid;gap:12px;max-width:760px;margin-bottom:clamp(24px,4vw,48px)}
.grid{display:grid;gap:clamp(16px,2.4vw,32px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--7-5{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.grid--8-4{grid-template-columns:minmax(0,8fr) minmax(0,4fr)}
.stack{display:flex;flex-direction:column;gap:var(--stack-gap,1rem)}
.divider{height:2px;border:0;background:var(--ink-700);margin-block:clamp(24px,4vw,48px)}

/* ---------- type ---------- */
.display{font-size:clamp(2.4rem,6vw,5.8rem);line-height:.95;letter-spacing:-.01em}
.h2{font-size:clamp(1.7rem,3.4vw,2.6rem);line-height:1.05}
.h3{font-size:clamp(1.15rem,2vw,1.45rem);line-height:1.2}
.section-title{font-family:var(--font-editorial);font-weight:700;font-size:clamp(1.4rem,2.6vw,2.4rem);line-height:1.25}
.lede{font-size:clamp(1rem,1.4vw,1.14rem);line-height:1.72;color:rgba(245,247,242,.82)}
.section-lede{font-size:clamp(.96rem,1.35vw,1.08rem);line-height:1.7;color:rgba(245,247,242,.78)}
.section--paper .section-lede{color:#40536a}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--neon-500);
}
.eyebrow::before{content:"";width:18px;height:2px;background:currentColor}
.section--paper .eyebrow{color:var(--ink-700)}
.mono{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.06em}
.index-num{
  display:block;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.16em;
  color:var(--neon-500);
}
.section--paper .index-num{color:var(--ink-700)}
.tag{
  display:inline-flex;align-items:center;gap:5px;
  padding:3px 8px;border:1px solid currentColor;border-radius:2px;
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;
}
.tag--neon{color:var(--neon-500)}
.tag--amber{color:var(--amber)}
.tag--alert{color:var(--alert)}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  padding-block:14px;border-bottom:var(--line-soft);
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;color:var(--slate);
}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb-item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb-item+.breadcrumb-item::before{content:"/";color:var(--ink-700)}
.breadcrumb-link{color:var(--slate);border-bottom:1px solid transparent}
.breadcrumb-link:hover{color:var(--neon-500);border-bottom-color:currentColor}

/* ---------- panels & stats ---------- */
.panel{
  position:relative;padding:clamp(16px,2.4vw,26px);
  background:var(--ink-900);border:2px solid var(--black);
  box-shadow:6px 6px 0 rgba(184,255,61,.16);
}
.panel--paper{background:var(--paper);color:var(--black);border-color:var(--black);box-shadow:var(--shadow-hard)}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-bottom:10px;margin-bottom:12px;border-bottom:var(--line-soft);
}
.panel-title{font-family:var(--font-head);font-size:1.05rem;letter-spacing:.04em}
.panel-meta{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate)}
.panel-body{font-size:.95rem;line-height:1.72;color:rgba(245,247,242,.8)}
.panel--paper .panel-body{color:#3d4d60}
.stat-row{display:flex;flex-wrap:wrap;gap:14px}
.stat{min-width:92px;padding-left:10px;border-left:3px solid var(--neon-500)}
.stat-value{display:block;font-family:var(--font-mono);font-size:1.45rem;line-height:1.15;color:var(--paper)}
.stat-label{display:block;font-family:var(--font-mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate)}
.panel--paper .stat-value,.section--paper .stat-value{color:var(--black)}
.section--paper .stat{border-left-color:var(--ink-700)}

/* ---------- media frames ---------- */
.media-frame{
  position:relative;display:block;overflow:hidden;aspect-ratio:16/9;
  background-color:var(--ink-900);
  background-image:repeating-linear-gradient(135deg,#0A1A2F 0 10px,#12345A 10px 20px);
  border:2px solid var(--ink-700);
  box-shadow:6px 6px 0 rgba(184,255,61,.16);
}
.media-frame img{display:block;width:100%;height:100%;object-fit:cover}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--1x1{aspect-ratio:1/1}
.media-frame--wide{aspect-ratio:21/9}
.media-caption{
  position:absolute;left:0;bottom:0;
  padding:4px 9px;background:var(--neon-500);color:var(--black);
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.1em;
}
.section--paper .media-frame{border-color:var(--black);box-shadow:var(--shadow-hard)}

/* ---------- reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
[data-reveal].is-revealed{opacity:1;transform:none}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink-950);color:var(--paper);
  border-top:3px solid var(--neon-500);
  padding-block:clamp(34px,5vw,64px) 0;
}
.footer-inner{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.footer-top{
  display:grid;grid-template-columns:1.7fr repeat(3,minmax(0,1fr));
  gap:clamp(20px,3vw,40px);
  padding-bottom:clamp(26px,4vw,44px);
  border-bottom:1px solid var(--ink-700);
}
.footer-brand{display:grid;gap:12px;align-content:start}
.footer-mark{
  display:inline-grid;place-items:center;width:44px;height:44px;
  background:var(--neon-500);color:var(--black);
  font-family:var(--font-head);font-size:1.05rem;font-weight:700;letter-spacing:.04em;
  border:2px solid var(--black);box-shadow:4px 4px 0 var(--ink-700);
}
.footer-name{font-family:var(--font-head);font-size:1.3rem;letter-spacing:.1em}
.footer-line{font-size:.9rem;line-height:1.7;color:rgba(245,247,242,.72);max-width:36ch}
.footer-contact{
  display:grid;gap:6px;
  font-family:var(--font-mono);font-size:.76rem;line-height:1.55;
  color:rgba(245,247,242,.72);
}
.contact-row{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px;align-items:baseline}
.contact-key{font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate)}
.contact-value{color:rgba(245,247,242,.9);word-break:break-word}
.footer-col{display:grid;gap:10px;align-content:start}
.footer-col-title{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--neon-500)}
.footer-links{display:grid;gap:8px}
.footer-link{
  width:fit-content;padding-bottom:1px;
  font-size:.9rem;color:rgba(245,247,242,.78);
  border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.footer-link:hover{color:var(--neon-500);border-bottom-color:currentColor}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;
  gap:10px 24px;padding-block:18px;
}
.footer-legal{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;color:var(--slate)}
.footer-note{font-size:.76rem;line-height:1.6;color:var(--slate);max-width:58ch}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .nav-link{padding:8px 7px;font-size:.8rem}
  .nav-index{display:none}
}
@media (max-width:960px){
  .header-inner{flex-wrap:wrap;row-gap:8px}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .header-tools{margin-left:0;padding-left:0;border-left:0}
  .site-nav{
    order:3;flex-basis:100%;display:none;margin-left:0;
    padding-top:8px;border-top:1px solid var(--ink-700);
  }
  .site-nav[data-open]{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{
    display:flex;width:100%;padding:12px 6px;font-size:.94rem;
    border-bottom:1px solid rgba(126,146,168,.18);border-radius:0;
  }
  .nav-link[aria-current="page"]{
    box-shadow:inset 3px 0 0 var(--neon-500);
    padding-left:12px;
  }
  .nav-index{display:inline}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:900px){
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--7-5,.grid--8-4{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:720px){
  .tool-link{display:none}
  .brand-name{font-size:1rem}
  .brand-meta{font-size:.6rem;letter-spacing:.1em}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  .grid--2,.grid--3{grid-template-columns:minmax(0,1fr)}
  .footer-top{grid-template-columns:minmax(0,1fr)}
  .stat{min-width:74px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  [data-reveal]{opacity:1;transform:none}
  .status-dot{animation:none}
  .btn:hover,.btn--sm:hover{transform:none}
}