/* ===== 01 reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
img,svg,video{display:block;max-width:100%}
table{border-collapse:collapse;width:100%}

/* ===== 02 tokens ===== */
:root{
  --ink:#0B0C0E;
  --panel:#14171C;
  --panel-2:#1B1F26;
  --grid:#262A31;
  --brown:#2A1D17;
  --cream:#F4EBD9;
  --sand:#E4D6BC;
  --red:#D6192B;
  --red-lit:#FF5A5F;
  --red-ink:#B0161F;
  --cyan:#34E0D0;
  --gold:#F2B840;
  --text:#E9E6E0;
  --muted:#9BA3AE;
  --font-display:"Barlow Condensed","Oswald","Impact","PingFang SC","Noto Sans SC",system-ui,sans-serif;
  --font-body:"Inter","PingFang SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Roboto Mono","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
  --wrap:1280px;
  --gap:24px;
  --pad:clamp(16px,3vw,32px);
}

/* ===== 03 base typography ===== */
body{
  min-height:100vh;
  overflow-x:hidden;
  background-color:var(--ink);
  background-image:
    linear-gradient(to right,rgba(38,42,49,.42) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(38,42,49,.42) 1px,transparent 1px);
  background-size:64px 64px;
  background-position:center top;
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  font-weight:400;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;letter-spacing:-.01em;line-height:1.12;color:#fff}
h1{font-size:clamp(32px,5vw,64px)}
h2{font-size:clamp(24px,3.4vw,40px)}
h3{font-size:clamp(18px,2.2px,24px);font-size:clamp(18px,2.2vw,24px)}
h4{font-size:16px}
p{max-width:38em}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
::selection{background:var(--red);color:#fff}

.skip-link{
  position:fixed;top:8px;left:8px;z-index:200;
  padding:10px 16px;background:var(--gold);color:var(--brown);
  font-size:14px;font-weight:700;border:2px solid var(--brown);
  transform:translateY(-240%);
}
.skip-link:focus{transform:translateY(0)}

/* ===== 04 buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 16px;border:1px solid transparent;border-radius:2px;
  font-family:var(--font-body);font-size:13px;font-weight:700;line-height:1.2;
  letter-spacing:.02em;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--red);border-color:var(--red);color:#fff}
.btn--primary:hover{background:var(--red-lit);border-color:var(--red-lit);color:var(--ink)}
.btn--ghost{background:transparent;border-color:var(--grid);color:var(--text)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn--gold{background:var(--gold);border-color:var(--gold);color:var(--brown)}
.btn--gold:hover{background:#FFD070;border-color:#FFD070}
.btn--quiet{background:var(--panel);border-color:var(--grid);color:var(--text)}
.btn--quiet:hover{border-color:var(--red-lit);color:var(--red-lit)}

/* ===== 05 header ===== */
.site-header{position:relative;z-index:60;background:var(--ink);border-bottom:1px solid var(--grid)}
.header-rail{background:var(--panel);border-bottom:1px solid var(--grid)}
.header-rail-inner{
  max-width:var(--wrap);margin:0 auto;padding:6px var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-family:var(--font-num);font-size:11px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);
}
.rail-note,.rail-meta{max-width:none}
.rail-meta{display:inline-flex;align-items:center;gap:8px}
.rail-dot{display:block;width:6px;height:6px;background:var(--cyan)}

.header-main{
  position:relative;
  max-width:var(--wrap);margin:0 auto;padding:10px var(--pad);
  display:flex;align-items:center;gap:clamp(12px,2vw,28px);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-type{display:flex;flex-direction:column;line-height:1}
.brand-name{
  font-family:var(--font-display);font-size:24px;font-weight:800;
  letter-spacing:.02em;color:#fff;
}
.brand-sub{
  margin-top:5px;font-family:var(--font-num);font-size:11px;
  letter-spacing:.16em;color:var(--red-lit);
}
.brand-rule{display:block;width:4px;height:38px;background:var(--red)}

.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:8px 12px;background:var(--panel);border:1px solid var(--grid);border-radius:2px;
  font-family:var(--font-num);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--text);
}
.nav-toggle-box{display:grid;gap:3px}
.nav-toggle-bar{display:block;width:16px;height:2px;background:var(--red-lit)}
.nav-toggle-text{line-height:1}
.site-header[data-open] .nav-toggle{background:var(--red);border-color:var(--red);color:#fff}
.site-header[data-open] .nav-toggle-bar{background:#fff}

.cmd-nav{flex:1 1 auto;min-width:0}
.cmd-list{display:flex;align-items:center;gap:clamp(6px,1.1vw,18px);flex-wrap:nowrap}
.cmd-link{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:8px 2px 10px;border-bottom:3px solid transparent;
  font-size:14px;font-weight:600;letter-spacing:.02em;color:var(--muted);
  transition:color .18s ease,border-color .18s ease;
}
.cmd-link:hover{color:var(--text)}
.cmd-num{
  font-family:var(--font-num);font-size:11px;letter-spacing:.06em;
  color:var(--muted);transition:color .18s ease;
}
.cmd-link:hover .cmd-num{color:var(--text)}
.cmd-link[aria-current="page"]{color:#fff;border-bottom-color:var(--red)}
.cmd-link[aria-current="page"] .cmd-num{color:var(--red-lit);font-weight:700}
.cmd-label{white-space:nowrap}

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

/* ===== 06 score strip ===== */
.score-strip{background:var(--panel);border-top:1px solid var(--grid)}
.score-inner{
  max-width:var(--wrap);margin:0 auto;padding:8px var(--pad);
  display:flex;align-items:center;gap:clamp(10px,2vw,20px);
}
.score-toggle{
  display:inline-flex;align-items:center;gap:8px;
  padding:4px 0;font-family:var(--font-num);font-size:11px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
}
.score-toggle:hover{color:var(--text)}
.score-toggle-label{white-space:nowrap}
.score-toggle-icon{
  display:block;width:0;height:0;
  border-left:4px solid transparent;border-right:4px solid transparent;
  border-bottom:6px solid currentColor;
  transition:transform .18s ease;
}
.score-strip[data-collapsed] .score-toggle-icon{transform:rotate(180deg)}

.score-body{
  display:flex;align-items:center;gap:clamp(8px,1.5vw,16px);
  font-family:var(--font-num);font-size:13px;color:var(--text);
}
.score-strip[data-collapsed] .score-body{display:none}
.score-side{display:inline-flex;align-items:center;gap:6px;letter-spacing:.04em;color:var(--text)}
.score-side--home{color:#fff;font-weight:700}
.score-chip{display:block;width:4px;height:16px;background:var(--red)}
.score-line{display:inline-flex;align-items:center;gap:2px}
.score-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:22px;font-weight:700;line-height:1;color:var(--cyan);
}
.score-colon{font-size:18px;color:var(--muted)}
.score-meta{font-size:11px;letter-spacing:.04em;color:var(--muted)}
.score-more{
  margin-left:auto;font-family:var(--font-num);font-size:11px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--red-lit);
  border-bottom:1px solid transparent;white-space:nowrap;
}
.score-more:hover{border-bottom-color:var(--red-lit)}

/* ===== 07 reading progress ===== */
.read-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:3px;
  background:transparent;pointer-events:none;
}
.read-progress-fill{
  display:block;height:100%;width:100%;background:var(--red);
  transform:scaleX(0);transform-origin:left center;
}

/* ===== 08 footer ===== */
.site-footer{
  margin-top:clamp(48px,8vw,96px);
  background:var(--panel);border-top:4px solid var(--red);
  color:var(--text);
}
.footer-wrap{max-width:var(--wrap);margin:0 auto;padding:clamp(32px,5vw,60px) var(--pad) clamp(20px,3vw,32px)}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:clamp(20px,3vw,40px);
}
.footer-brand{min-width:0}
.footer-lede{margin-top:14px;font-size:14px;line-height:1.7;color:var(--muted);max-width:32ch}
.footer-col{min-width:0}
.footer-col-title{
  margin-bottom:12px;padding-bottom:8px;
  border-bottom:1px solid var(--grid);
  font-family:var(--font-num);font-size:11px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--gold);
}
.footer-list li+li{margin-top:8px}
.footer-list a{
  font-size:14px;color:var(--text);
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.footer-list a:hover{color:var(--red-lit);border-bottom-color:var(--red-lit)}
.footer-static{font-size:13px;color:var(--muted);font-family:var(--font-num);letter-spacing:.02em}

.footer-zone{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  margin-top:clamp(24px,4vw,40px);padding:16px 18px;
  background:var(--brown);border-left:4px solid var(--gold);
}
.footer-zone-label{
  font-family:var(--font-num);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--gold);
}
.footer-zone p{font-size:14px;color:var(--sand);max-width:52ch}
.footer-zone a{
  font-size:13px;color:var(--sand);
  border-bottom:1px solid rgba(242,184,64,.5);
}
.footer-zone a:hover{color:#fff;border-bottom-color:#fff}

.footer-contact{
  display:flex;flex-wrap:wrap;gap:6px 20px;
  margin-top:24px;padding-top:20px;border-top:1px solid var(--grid);
  font-size:13px;color:var(--muted);
}
.footer-contact span{max-width:100%}
.footer-contact strong{color:var(--text);font-weight:600;margin-right:6px}

.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;
  gap:12px 24px;margin-top:20px;padding-top:18px;
  border-top:1px solid var(--grid);
}
.footer-legal{
  font-family:var(--font-num);font-size:12px;letter-spacing:.02em;
  color:var(--muted);max-width:70ch;
}
.footer-legal-links{display:flex;flex-wrap:wrap;gap:6px 18px}
.footer-legal-links a{font-size:12px;color:var(--text)}
.footer-legal-links a:hover{color:var(--cyan)}

/* ===== 09 layout helpers ===== */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-inline:var(--pad)}
.section{padding-block:clamp(32px,5vw,64px)}
.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--split{grid-template-columns:minmax(0,3fr) minmax(0,1fr)}
.sticky-side{position:sticky;top:140px;align-self:start}
.rule{border:0;border-top:1px solid var(--grid);margin:0}

/* ===== 10 text & content primitives ===== */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--red-lit);
}
.eyebrow::before{content:"";display:block;width:20px;height:3px;background:var(--red)}
.data-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 8px;border:1px solid var(--grid);border-radius:2px;
  background:var(--panel);color:var(--muted);
  font-family:var(--font-num);font-size:11px;letter-spacing:.08em;
  text-transform:uppercase;
}
.tag--red{background:var(--red);border-color:var(--red);color:#fff}
.tag--cyan{background:rgba(52,224,208,.08);border-color:rgba(52,224,208,.45);color:var(--cyan)}
.tag--gold{background:rgba(242,184,64,.08);border-color:rgba(242,184,64,.45);color:var(--gold)}

.crumbs{
  font-family:var(--font-num);font-size:11px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);
}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--grid)}
.crumbs a{color:var(--muted);border-bottom:1px solid transparent}
.crumbs a:hover{color:var(--red-lit);border-bottom-color:var(--red-lit)}
.crumbs [aria-current="page"]{color:var(--text)}

.paper{
  background:var(--cream);color:var(--brown);
  border:1px solid var(--sand);padding:clamp(20px,4vw,44px);
}
.paper h1,.paper h2,.paper h3,.paper h4{color:var(--brown)}
.paper strong{color:var(--brown)}
.paper a{color:var(--red-ink);text-decoration:underline;text-underline-offset:3px}
.paper a:hover{color:var(--brown)}
.prose{max-width:38em}
.prose p{max-width:38em}
.prose p+p{margin-top:1em}
.prose h2{margin-top:1.4em;margin-bottom:.5em;font-size:clamp(20px,2.4vw,28px)}
.prose h3{margin-top:1.2em;margin-bottom:.4em}
.prose ul{margin-top:1em;display:grid;gap:.5em}
.prose ul li{position:relative;padding-left:18px}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:2px;background:var(--red)}

/* ===== 11 media frames ===== */
.frame{
  position:relative;overflow:hidden;display:block;
  background:var(--panel-2);border:1px solid var(--grid);
}
.frame img,.frame picture,.frame video{width:100%;height:100%;object-fit:cover}
.frame--16x9{aspect-ratio:16/9}
.frame--4x3{aspect-ratio:4/3}
.frame--1x1{aspect-ratio:1/1}
.frame--21x9{aspect-ratio:21/9}
.scanline::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,rgba(11,12,14,.55) 0 1px,transparent 1px 4px);
  opacity:.55;mix-blend-mode:multiply;
}

/* ===== 12 back to top (js injected) ===== */
.back-to-top{
  position:fixed;right:16px;bottom:16px;z-index:80;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;border:1px solid var(--red);border-radius:2px;
  background:var(--red);color:#fff;
  font-family:var(--font-num);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease,background-color .18s ease;
}
.back-to-top[data-visible]{opacity:1;visibility:visible;transform:none}
.back-to-top:hover{background:var(--red-lit);border-color:var(--red-lit);color:var(--ink)}
.back-to-top-icon{
  display:block;width:0;height:0;
  border-left:5px solid transparent;border-right:5px solid transparent;
  border-bottom:7px solid currentColor;
}

/* ===== 13 responsive ===== */
@media (min-width:901px){
  .site-header{position:sticky;top:0}
}
@media (max-width:1120px){
  .header-actions .btn--ghost{display:none}
}
@media (max-width:900px){
  .header-main{flex-wrap:wrap;gap:12px;padding-block:12px}
  .brand{order:0}
  .nav-toggle{display:inline-flex;order:1;margin-left:auto}
  .cmd-nav{order:2;flex:1 1 100%;display:none}
  .header-actions{order:3;flex:1 1 100%;display:none;gap:8px}
  .site-header[data-open] .cmd-nav{display:block}
  .site-header[data-open] .header-actions{display:flex;flex-wrap:wrap}
  .site-header[data-open] .header-actions .btn{flex:1 1 auto}
  .site-header[data-open] .header-actions .btn--ghost{display:inline-flex}
  .cmd-list{flex-direction:column;align-items:stretch;gap:0;padding-block:6px}
  .cmd-item+ .cmd-item{border-top:1px solid var(--grid)}
  .cmd-link{
    display:flex;width:100%;
    padding:12px 12px;border:0;border-left:3px solid transparent;
    font-size:15px;
  }
  .cmd-link[aria-current="page"]{border-left-color:var(--red);background:var(--panel-2)}
  .grid--2,.grid--3,.grid--split{grid-template-columns:minmax(0,1fr)}
  .sticky-side{position:static;top:auto}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:720px){
  .header-rail{display:none}
  .score-meta{display:none}
  .score-num{font-size:18px}
  .score-toggle-label{font-size:10px}
  .footer-contact{flex-direction:column;gap:8px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:600px){
  .footer-top{grid-template-columns:minmax(0,1fr);gap:28px}
  .brand-name{font-size:22px}
  .brand-rule{height:34px}
  .footer-zone{padding:14px}
}

/* ===== 14 reduced motion ===== */
@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;
  }
}