/* ============ 01. TOKENS ============ */
:root{
  --ink:#0B1B2B;
  --ink-deep:#07111C;
  --cream:#F4EFE4;
  --amber:#F2A93B;
  --cyan:#38E1D6;
  --violet:#8B5CF6;
  --redorange:#E85D3F;
  --mist:#8FA3B0;
  --brown:#1B1511;
  --paper:#C9B8A3;

  --wrap-max:1200px;
  --gutter:clamp(16px,3.2vw,36px);

  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  --hard:6px 6px 0 rgba(7,17,28,.85);
  --hard-cyan:6px 6px 0 rgba(56,225,214,.28);
  --hard-amber:6px 6px 0 rgba(242,169,59,.3);
  --hair:1px solid rgba(201,184,163,.2);
}

/* ============ 02. RESET ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink);
  color:var(--cream);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.7;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img,svg{max-width:100%;display:block;}
a{color:var(--cyan);text-decoration-thickness:1px;text-underline-offset:3px;}
button{font:inherit;color:inherit;}
[hidden]{display:none !important;}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;}

/* ============ 03. TYPOGRAPHY ============ */
h1,h2,h3,h4{line-height:1.25;font-weight:900;letter-spacing:0;}
h1{font-size:clamp(30px,5vw,52px);}
h2{font-size:clamp(24px,3.4vw,36px);}
h3{font-size:clamp(19px,2.2vw,26px);}
h4{font-size:19px;}
p{max-width:72ch;}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ============ 04. LAYOUT ============ */
.wrap{width:100%;max-width:var(--wrap-max);margin-inline:auto;padding-inline:var(--gutter);}
.section{padding-block:clamp(40px,6vw,80px);}
.stack{display:grid;gap:16px;}
.rule{height:4px;border:0;margin:0;background:linear-gradient(90deg,var(--amber),var(--redorange) 28%,var(--violet) 62%,transparent);}

/* ============ 05. SKIP LINK ============ */
.skip-link{
  position:absolute;left:12px;top:-80px;z-index:300;
  padding:10px 18px;
  background:var(--amber);color:var(--brown);
  font-weight:800;font-size:14px;text-decoration:none;
  border:2px solid var(--brown);
  transition:top .16s ease;
}
.skip-link:focus,.skip-link:focus-visible{top:12px;}

/* ============ 06. BUTTONS & PILLS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;
  font-family:inherit;font-size:15px;font-weight:800;letter-spacing:.04em;
  text-decoration:none;cursor:pointer;
  background:var(--cream);color:var(--brown);
  border:2px solid var(--brown);
  box-shadow:4px 4px 0 rgba(56,225,214,.45);
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease,color .15s ease;
}
.btn:hover{transform:translate(-1px,-1px);box-shadow:6px 6px 0 rgba(56,225,214,.6);}
.btn:active{transform:translate(2px,2px);box-shadow:2px 2px 0 rgba(56,225,214,.4);}
.btn--amber{background:var(--amber);color:var(--brown);box-shadow:4px 4px 0 rgba(7,17,28,.9);}
.btn--amber:hover{box-shadow:6px 6px 0 rgba(7,17,28,.95);}
.btn--cyan{background:var(--cyan);color:var(--ink-deep);box-shadow:4px 4px 0 rgba(7,17,28,.9);}
.btn--ghost{background:transparent;color:var(--cyan);border-color:var(--cyan);box-shadow:4px 4px 0 rgba(56,225,214,.18);}
.btn--ghost:hover{background:rgba(56,225,214,.1);}
.btn--sm{padding:7px 12px;font-size:13px;}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:2px 10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  border:1px solid currentColor;border-radius:999px;white-space:nowrap;
}
.pill--live{color:var(--amber);background:rgba(242,169,59,.1);}
.pill--quiet{color:var(--cyan);background:rgba(56,225,214,.08);}

/* ============ 07. HEADER — TOP LAYER ============ */
.site-header{
  position:relative;z-index:60;
  background:var(--ink-deep);
  border-bottom:3px solid var(--amber);
}
.header-top{
  background:var(--ink);
  border-bottom:1px solid rgba(201,184,163,.18);
  font-size:13px;
}
.header-top__inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:8px 20px;padding-block:7px;
}
.header-top__brand{
  display:flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--paper);
}
.dot{
  width:8px;height:8px;border-radius:50%;flex:0 0 auto;
  background:var(--cyan);
  animation:dotPulse 2.6s ease-in-out infinite;
}
@keyframes dotPulse{
  0%,100%{box-shadow:0 0 0 0 rgba(56,225,214,.55);}
  50%{box-shadow:0 0 0 7px rgba(56,225,214,0);}
}
.header-top__meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;}
.header-top__mail{
  font-family:var(--font-mono);font-size:12px;
  color:var(--mist);text-decoration:none;
  border-bottom:1px dotted rgba(143,163,176,.7);
}
.header-top__mail:hover{color:var(--cyan);border-bottom-color:var(--cyan);}

/* ============ 08. HEADER — MAIN LAYER ============ */
.header-main{background:var(--ink-deep);}
.header-main__inner{
  position:relative;
  display:flex;align-items:center;gap:18px;
  padding-block:12px;
  max-width:var(--wrap-max);
}
.brand{
  display:inline-flex;align-items:center;gap:12px;
  flex:0 0 auto;text-decoration:none;color:var(--cream);
}
.brand__mark{
  display:grid;place-items:center;
  width:44px;height:44px;
  background:linear-gradient(135deg,var(--amber),var(--redorange));
  color:var(--brown);
  font-family:var(--font-mono);font-size:17px;font-weight:900;letter-spacing:-.04em;
  border:2px solid var(--brown);
  box-shadow:4px 4px 0 rgba(56,225,214,.55);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-size:19px;font-weight:900;letter-spacing:.02em;}
.brand__tag{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--mist);
}

.site-nav{flex:1 1 auto;display:flex;justify-content:flex-end;}
.site-nav__list{display:flex;align-items:center;gap:2px;flex-wrap:wrap;}
.site-nav__list a{
  display:block;padding:10px 12px;
  font-size:15px;font-weight:700;color:var(--cream);text-decoration:none;
  border-bottom:3px solid transparent;
  transition:color .15s ease,background .15s ease,border-color .15s ease;
}
.site-nav__list a:hover{color:var(--cyan);border-bottom-color:var(--cyan);}
.site-nav__list a[aria-current="page"]{
  color:var(--ink-deep);
  background:var(--amber);
  border-bottom-color:var(--redorange);
}

.header-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  margin-left:auto;padding:9px 13px;
  background:var(--amber);color:var(--brown);
  font-size:13px;font-weight:900;letter-spacing:.12em;
  border:2px solid var(--brown);
  box-shadow:4px 4px 0 rgba(56,225,214,.4);
  cursor:pointer;
}
.nav-toggle__bars{display:flex;flex-direction:column;gap:3px;width:16px;}
.nav-toggle__bars span{display:block;height:2px;background:currentColor;transition:transform .18s ease,opacity .18s ease;}
.site-header[data-open="true"] .nav-toggle{background:var(--cyan);color:var(--ink-deep);}
.site-header[data-open="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.site-header[data-open="true"] .nav-toggle__bars span:nth-child(2){opacity:0;}
.site-header[data-open="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

/* ============ 09. HEADER — QUICK RAIL ============ */
.quick-rail{
  background:var(--ink-deep);
  border-top:1px solid rgba(201,184,163,.16);
  border-bottom:2px solid rgba(56,225,214,.38);
}
.quick-rail__inner{
  display:flex;align-items:center;gap:14px;
  padding-block:8px;
  overflow-x:auto;scrollbar-width:none;
}
.quick-rail__inner::-webkit-scrollbar{display:none;}
.quick-rail__label{
  flex:0 0 auto;padding-right:12px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--mist);border-right:1px solid rgba(201,184,163,.25);
}
.quick-rail__list{display:flex;gap:8px;flex:0 0 auto;}
.quick-rail__list a{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;
  font-size:13px;font-weight:700;white-space:nowrap;text-decoration:none;
  color:var(--cream);
  background:rgba(56,225,214,.07);
  border:1px solid rgba(56,225,214,.3);
  transition:background .15s ease,color .15s ease,border-color .15s ease;
}
.quick-rail__list a:hover{background:rgba(56,225,214,.2);color:var(--cyan);border-color:var(--cyan);}
.quick-rail__list .mono{font-size:11px;color:var(--amber);}

/* ============ 10. FOOTER ============ */
.site-footer{
  background:var(--ink-deep);
  color:var(--cream);
  border-top:4px solid var(--amber);
}
.footer-main__inner{
  display:grid;grid-template-columns:minmax(200px,1fr) 2.4fr;
  gap:clamp(24px,4vw,52px);
  padding-block:clamp(36px,5vw,60px) clamp(26px,3vw,40px);
}
.footer-brand{display:grid;gap:12px;align-content:start;}
.footer-brand__mark{
  display:grid;place-items:center;
  width:46px;height:46px;
  background:linear-gradient(135deg,var(--violet),var(--cyan));
  color:var(--ink-deep);
  font-family:var(--font-mono);font-size:17px;font-weight:900;
  border:2px solid var(--brown);
  box-shadow:4px 4px 0 rgba(242,169,59,.5);
}
.footer-brand__name{font-size:21px;font-weight:900;letter-spacing:.02em;}
.footer-brand__desc{font-size:14px;line-height:1.8;color:var(--mist);max-width:34ch;}
.footer-cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,2.4vw,28px);}
.footer-col__title{
  font-family:var(--font-mono);font-size:11px;font-weight:700;
  letter-spacing:.2em;text-transform:uppercase;color:var(--amber);
  margin-bottom:12px;padding-bottom:8px;
  border-bottom:1px solid rgba(201,184,163,.2);
}
.footer-list{display:grid;gap:9px;}
.footer-list li{font-size:14px;color:var(--mist);line-height:1.6;}
.footer-list a{
  color:var(--cream);text-decoration:none;font-size:14px;
  border-bottom:1px solid transparent;
  transition:color .15s ease,border-color .15s ease;
}
.footer-list a:hover{color:var(--cyan);border-bottom-color:var(--cyan);}
.footer-list .mono{font-size:13px;color:var(--paper);}

.footer-bottom{background:rgba(0,0,0,.28);border-top:1px solid rgba(201,184,163,.18);}
.footer-bottom__inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:8px 24px;padding-block:15px;
  font-size:12px;color:var(--mist);
}
.footer-legal__icp{font-family:var(--font-mono);letter-spacing:.06em;color:var(--paper);}
.footer-note{max-width:52ch;}
.footer-copy{font-family:var(--font-mono);}

/* ============ 11. SECTION & PANEL ============ */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:18px;flex-wrap:wrap;
  margin-bottom:clamp(18px,2.4vw,28px);
}
.section-num{
  font-family:var(--font-mono);font-weight:800;
  font-size:clamp(38px,7vw,76px);line-height:.85;letter-spacing:-.05em;
  color:var(--redorange);
}
.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);font-size:11px;font-weight:700;
  letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);
}
.panel{
  background:var(--ink-deep);
  border:2px solid rgba(201,184,163,.22);
  box-shadow:8px 8px 0 rgba(7,17,28,.7);
  padding:clamp(18px,3vw,30px);
}
.panel--cream{
  background:var(--cream);color:var(--brown);
  border-color:var(--brown);
  box-shadow:8px 8px 0 rgba(7,17,28,.85);
}
.panel--cream a{color:#0F6E68;}
.panel--cream .eyebrow{color:#9A4A16;}

/* ============ 12. GRID & CARD ============ */
.grid{display:grid;gap:clamp(14px,2vw,24px);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr));}
.card{
  display:flex;flex-direction:column;gap:10px;
  padding:clamp(16px,2.2vw,22px);
  background:var(--ink-deep);
  border:2px solid rgba(201,184,163,.2);
  box-shadow:5px 5px 0 rgba(7,17,28,.6);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.card:hover{border-color:var(--cyan);box-shadow:7px 7px 0 rgba(56,225,214,.24);transform:translateY(-2px);}

/* ============ 13. TAGS ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;
  font-size:12px;font-weight:800;letter-spacing:.05em;
  border:1px solid currentColor;border-radius:999px;
  white-space:nowrap;
}
.tag--cyan{color:var(--cyan);}
.tag--amber{color:var(--amber);}
.tag--red{color:var(--redorange);}
.tag--violet{
  color:#fff;border-color:transparent;
  background:linear-gradient(90deg,var(--violet),var(--cyan));
}
.panel--cream .tag--cyan{color:#0F6E68;}
.panel--cream .tag--amber{color:#8A5A08;}
.panel--cream .tag--red{color:#B03A20;}

/* ============ 14. MEDIA ============ */
.media{
  position:relative;overflow:hidden;
  aspect-ratio:16/9;
  border:2px solid rgba(201,184,163,.28);
  background:
    repeating-linear-gradient(135deg,rgba(56,225,214,.09) 0 12px,transparent 12px 26px),
    linear-gradient(160deg,var(--ink-deep),var(--ink));
}
.media__img{width:100%;height:100%;object-fit:cover;}
.media--wide{aspect-ratio:21/9;}
.media--tall{aspect-ratio:4/5;}
.media--cut{clip-path:polygon(0 0,100% 0,100% 86%,0 100%);}

/* ============ 15. TABS ============ */
.tabs{
  display:flex;flex-wrap:wrap;gap:6px;
  margin-bottom:18px;padding-bottom:0;
  border-bottom:2px solid rgba(201,184,163,.22);
}
.tabs__btn{
  padding:9px 16px;
  font-size:14px;font-weight:800;letter-spacing:.03em;
  background:transparent;color:var(--mist);
  border:2px solid transparent;border-bottom:none;
  cursor:pointer;
  transition:color .15s ease,background .15s ease;
}
.tabs__btn:hover{color:var(--cream);}
.tabs__btn[aria-selected="true"]{
  color:var(--ink-deep);background:var(--cyan);
  border-color:var(--brown);
}
.tabs__panel{padding-top:4px;}
.tabs__panel[hidden]{display:none;}

/* ============ 16. TIMELINE ============ */
.timeline{display:grid;gap:0;}
.timeline__item{
  position:relative;padding:16px 0 16px 30px;
  border-left:2px solid rgba(56,225,214,.32);
}
.timeline__item::before{
  content:"";position:absolute;left:-7px;top:24px;
  width:12px;height:12px;
  background:var(--amber);border:2px solid var(--ink-deep);
}

/* ============ 17. FILTER BAR ============ */
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.filter-bar [data-filter]{
  padding:7px 14px;
  font-family:inherit;font-size:13px;font-weight:800;letter-spacing:.04em;
  background:transparent;color:var(--mist);
  border:2px solid rgba(201,184,163,.3);
  cursor:pointer;
  transition:color .15s ease,background .15s ease,border-color .15s ease;
}
.filter-bar [data-filter]:hover{color:var(--cream);border-color:var(--paper);}
.filter-bar [data-filter][aria-pressed="true"]{
  color:var(--ink-deep);background:var(--amber);border-color:var(--brown);
}

/* ============ 18. BREADCRUMB ============ */
.breadcrumb{padding-block:14px;}
.breadcrumb__list{display:flex;flex-wrap:wrap;gap:6px;font-family:var(--font-mono);font-size:12px;color:var(--mist);}
.breadcrumb__list a{color:var(--cyan);text-decoration:none;}
.breadcrumb__list a:hover{text-decoration:underline;}
.breadcrumb__list li+li::before{content:"/";margin-right:6px;color:var(--paper);}

/* ============ 19. SCROLL PROGRESS / TO TOP / REVEAL ============ */
.scroll-progress{
  position:fixed;top:0;left:0;z-index:130;
  width:0;height:3px;pointer-events:none;
  background:linear-gradient(90deg,var(--cyan),var(--amber),var(--violet));
}
.to-top{
  position:fixed;right:16px;bottom:16px;z-index:95;
  display:none;align-items:center;gap:6px;
  padding:10px 15px;
  font-size:13px;font-weight:900;letter-spacing:.08em;
  color:var(--ink-deep);background:var(--cyan);
  border:2px solid var(--brown);
  box-shadow:4px 4px 0 rgba(7,17,28,.7);
  cursor:pointer;
}
.to-top[data-visible="true"]{display:inline-flex;}
html.is-reveal-ready [data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity .5s ease,transform .5s ease;
}
html.is-reveal-ready [data-reveal].is-visible{opacity:1;transform:none;}

/* ============ 20. RESPONSIVE ============ */
@media (max-width:1100px) and (min-width:901px){
  .site-nav__list a{padding:9px 8px;font-size:14px;}
  .header-actions .btn--sm{padding:6px 10px;font-size:12px;}
  .brand__tag{display:none;}
}

@media (max-width:900px){
  body{padding-bottom:66px;}
  .header-main__inner{gap:12px;padding-block:10px;}
  .nav-toggle{display:inline-flex;}
  .header-actions{display:none;}
  .brand__tag{display:none;}

  .site-nav{
    display:none;
    position:absolute;left:0;right:0;top:100%;z-index:75;
    padding:10px var(--gutter) 18px;
    background:var(--ink-deep);
    border-top:1px solid rgba(201,184,163,.2);
    border-bottom:3px solid var(--amber);
    max-height:calc(100vh - 120px);
    overflow-y:auto;
  }
  .site-header[data-open="true"] .site-nav{display:block;}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0;}
  .site-nav__list a{
    padding:13px 4px;font-size:16px;
    border-bottom:1px solid rgba(201,184,163,.14);
  }
  .site-nav__list a[aria-current="page"]{
    background:transparent;color:var(--amber);
    border-bottom-color:rgba(201,184,163,.14);
  }

  .quick-rail{
    position:fixed;left:0;right:0;bottom:0;z-index:80;
    border-top:2px solid var(--cyan);
    border-bottom:none;
    background:rgba(7,17,28,.97);
    box-shadow:0 -8px 26px rgba(0,0,0,.55);
  }
  .quick-rail__inner{padding-block:6px;gap:0;overflow:visible;}
  .quick-rail__label{display:none;}
  .quick-rail__list{width:100%;justify-content:space-between;gap:4px;}
  .quick-rail__list a{
    flex:1 1 0;flex-direction:column;align-items:center;gap:2px;
    padding:6px 2px;font-size:12px;
    background:none;border:none;
  }
  .quick-rail__list a .mono{font-size:10px;}
  .quick-rail__list a:hover{background:rgba(56,225,214,.1);}

  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-main__inner{grid-template-columns:1fr;}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));}
  .to-top{right:12px;bottom:78px;padding:8px 12px;font-size:12px;}
}

@media (max-width:600px){
  body{font-size:16px;line-height:1.75;}
  .header-top__inner{justify-content:flex-start;gap:6px 12px;}
  .header-top__meta{gap:6px 8px;}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr;}
  .footer-cols{grid-template-columns:1fr;}
  .footer-bottom__inner{flex-direction:column;align-items:flex-start;gap:6px;}
  .scroll-progress{height:2px;}
}

/* ============ 21. MOTION PREFERENCES ============ */
@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;
  }
  .dot{animation:none;box-shadow:0 0 0 3px rgba(56,225,214,.2);}
  .card:hover{transform:none;}
  html.is-reveal-ready [data-reveal]{opacity:1 !important;transform:none !important;}
}