/* ==========================================================
   银娱电子 · 光栅档案 共享样式表  /assets/site.css
   ========================================================== */

/* ---------- 1. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd,dt{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
kbd{font-family:var(--font-mono);font-size:.72rem;padding:1px 5px;border:1px solid rgba(201,210,222,.4);background:rgba(201,210,222,.1)}
:focus-visible{outline:2px solid var(--neon-cyan);outline-offset:3px}

/* ---------- 2. tokens ---------- */
:root{
  --night-ink:#070B14;
  --indigo-deep:#101A38;
  --indigo-mid:#22315F;
  --silver-paper:#EDF1F6;
  --silver-mist:#C9D2DE;
  --steel-gray:#7E8899;
  --neon-cyan:#2FE0C6;
  --arc-orange:#FF8A3D;
  --signal-amber:#FFC24B;
  --data-blue:#4C7DFF;
  --grid-violet:#5B4BE0;
  --ink-on-paper:#0C1424;
  --paper-text:#33415C;

  --font-head:'Archivo Narrow','HarmonyOS Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --font-mono:'JetBrains Mono','IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --shell:1240px;
  --rail:240px;
  --hdr-h:72px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 3. base ---------- */
body{
  min-height:100vh;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  color:var(--silver-paper);
  background-color:var(--night-ink);
  background-image:
    radial-gradient(900px 620px at 10% -12%,rgba(91,75,224,.30),transparent 62%),
    radial-gradient(720px 520px at 92% 6%,rgba(47,224,198,.13),transparent 64%),
    linear-gradient(180deg,#070B14 0%,#0A1020 55%,#070B14 100%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:1;
  pointer-events:none;
  opacity:.5;
  background:repeating-linear-gradient(180deg,rgba(201,210,222,.035) 0 1px,transparent 1px 3px);
}
h1,h2,h3,h4,h5{
  font-family:var(--font-head);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.1;
  color:#fff;
}
h1{font-size:clamp(2rem,5.4vw,4rem)}
h2{font-size:clamp(1.5rem,3.2vw,2.25rem)}
h3{font-size:clamp(1.15rem,2vw,1.42rem)}
h4{font-size:1.05rem}
p{max-width:68ch}
strong{color:#fff}

.mono{
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--neon-cyan);
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--neon-cyan)}
.lede{font-size:clamp(1.02rem,1.5vw,1.2rem);line-height:1.72;color:var(--silver-mist);max-width:58ch}

/* ---------- 4. layout ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding:0 clamp(16px,4vw,40px);
}
.section{position:relative;padding:clamp(48px,7vw,96px) 0}
.section--tight{padding:clamp(32px,4vw,56px) 0}
.section--indigo{background:linear-gradient(180deg,rgba(16,26,56,.96),rgba(16,26,56,.70))}
.section--paper{background:var(--silver-paper);color:var(--paper-text)}
.section--paper h1,.section--paper h2,.section--paper h3,.section--paper h4{color:var(--ink-on-paper)}
.section--paper .eyebrow{color:var(--data-blue)}
.section--paper .eyebrow::before{background:var(--data-blue)}
.section--paper .lede{color:var(--paper-text)}
.rule{height:1px;border:0;margin:clamp(28px,4vw,48px) 0;background:linear-gradient(90deg,var(--neon-cyan),rgba(201,210,222,.14) 55%,transparent)}

.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))}

.rail-layout{display:grid;grid-template-columns:var(--rail) minmax(0,1fr);gap:clamp(20px,3vw,44px);align-items:start}
.index-rail{
  position:sticky;
  top:calc(var(--hdr-h) + 24px);
  padding-left:16px;
  border-left:1px solid var(--indigo-mid);
}
.rail__title{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--signal-amber)}
.rail__list{display:flex;flex-direction:column;gap:2px;margin-top:14px}
.rail__link{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:8px 10px;
  font-size:.88rem;
  color:var(--steel-gray);
  border-left:2px solid transparent;
  transition:color .16s,background .16s,border-color .16s;
}
.rail__link:hover{color:var(--silver-paper);background:rgba(34,49,95,.55)}
.rail__link[aria-current]{color:#fff;border-left-color:var(--neon-cyan);background:rgba(34,49,95,.75)}
.rail__num{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.1em;color:var(--signal-amber)}

.prose{max-width:68ch;font-size:1.02rem;line-height:1.8;color:var(--silver-mist)}
.prose p+p{margin-top:1.05em}
.prose h2{margin:2em 0 .6em}
.prose h3{margin:1.6em 0 .5em}
.prose ul,.prose ol{margin:1em 0}
.prose li{position:relative;padding-left:18px;margin-top:.5em}
.prose li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:1px;background:var(--neon-cyan)}
.prose a{color:var(--data-blue);border-bottom:1px solid rgba(76,125,255,.5)}
.prose a:hover{border-bottom-color:var(--neon-cyan);color:var(--neon-cyan)}
.prose strong{color:#fff}
.section--paper .prose{color:var(--paper-text)}
.section--paper .prose strong{color:var(--ink-on-paper)}
.section--paper .prose a{color:#1B45C4}
.section--paper .prose li::before{background:var(--data-blue)}

/* ---------- 5. buttons / chips / tags ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 16px;
  font-family:var(--font-head);
  font-weight:700;
  font-size:.86rem;
  letter-spacing:.04em;
  color:var(--silver-paper);
  border:1px solid var(--silver-mist);
  background:transparent;
  transition:transform .16s var(--ease),border-color .16s,background .16s,color .16s,box-shadow .16s;
}
.btn:hover{transform:translateY(-2px);border-color:var(--neon-cyan)}
.btn--sm{padding:7px 12px;font-size:.78rem}
.btn--ghost{border-color:rgba(201,210,222,.3);color:var(--silver-mist)}
.btn--ghost:hover{color:#fff;background:rgba(201,210,222,.08)}
.btn--outline{border-color:var(--indigo-mid);background:rgba(34,49,95,.6)}
.btn--outline:hover{background:rgba(34,49,95,.9)}
.btn--neon{border-color:var(--neon-cyan);background:var(--neon-cyan);color:#04121A}
.btn--neon:hover{box-shadow:0 6px 22px rgba(47,224,198,.28)}
.btn--orange{border-color:var(--arc-orange);background:var(--arc-orange);color:#1A0D03}
.btn--block{width:100%}

.chipbar{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 10px;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--silver-mist);
  border:1px solid rgba(201,210,222,.35);
  background:rgba(16,26,56,.5);
  transition:color .16s,border-color .16s,background .16s;
}
.chip:hover{border-color:var(--neon-cyan);color:#fff}
.chip[aria-pressed="true"],.chip.is-active{background:var(--neon-cyan);border-color:var(--neon-cyan);color:#04121A}
.chip--warm{border-color:rgba(255,138,61,.6);color:var(--arc-orange)}
.chip--warm[aria-pressed="true"]{background:var(--arc-orange);color:#1A0D03}

.tag{
  display:inline-flex;
  align-items:center;
  padding:3px 7px;
  font-family:var(--font-mono);
  font-size:.62rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  border:1px solid currentColor;
  color:var(--data-blue);
}
.tag--cyan{color:var(--neon-cyan)}
.tag--amber{color:var(--signal-amber)}
.tag--orange{color:var(--arc-orange)}

/* ---------- 6. cards / data / media ---------- */
.card{
  position:relative;
  padding:clamp(16px,2vw,24px);
  border:1px solid var(--indigo-mid);
  background:linear-gradient(160deg,rgba(34,49,95,.85),rgba(16,26,56,.92));
  transition:transform .16s var(--ease),border-color .16s,box-shadow .16s;
}
.card:hover{transform:translateY(-2px);border-color:var(--neon-cyan);box-shadow:0 14px 34px rgba(0,0,0,.4)}
.card__num{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.12em;color:var(--signal-amber)}
.card__title{margin:8px 0;font-family:var(--font-head);font-size:1.16rem;font-weight:800;color:#fff;letter-spacing:-.01em}
.card__meta{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.1em;color:var(--steel-gray);text-transform:uppercase}
.card__text{margin-top:10px;font-size:.92rem;line-height:1.7;color:var(--silver-mist)}
.card--paper{background:var(--silver-paper);border-color:var(--silver-mist);color:var(--paper-text)}
.card--paper .card__title{color:var(--ink-on-paper)}
.card--paper .card__text{color:var(--paper-text)}
.card--paper .card__num{color:#9A5A18}
.card--tilt{transform:rotate(-1.2deg)}
.card--tilt:hover{transform:rotate(-1.2deg) translateY(-2px)}
.card--lift{margin-top:-18px}

.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.stat{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:14px 16px;
  border:1px solid rgba(201,210,222,.28);
  background:rgba(16,26,56,.5);
}
.stat__value{
  font-family:var(--font-mono);
  font-size:clamp(1.6rem,4vw,2.4rem);
  font-weight:700;
  line-height:1.05;
  letter-spacing:-.02em;
  color:#fff;
  font-variant-numeric:tabular-nums;
}
.stat__unit{margin-left:.25em;font-family:var(--font-mono);font-size:.72rem;color:var(--neon-cyan)}
.stat__label{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--steel-gray)}

.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  border:1px solid var(--indigo-mid);
  background:linear-gradient(150deg,var(--indigo-deep),#0A1020 58%,rgba(91,75,224,.26));
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(201,210,222,.06) 0 1px,transparent 1px 4px);
}
.media-frame > img,.media-frame picture img{width:100%;height:100%;object-fit:cover}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--3x2{aspect-ratio:3/2}
.media-frame--1x1{aspect-ratio:1/1}
.media-frame--tall{aspect-ratio:3/4}
.media-frame__ph{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  text-align:center;
  padding:16px;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--steel-gray);
  background:
    radial-gradient(58% 58% at 28% 18%,rgba(47,224,198,.16),transparent 70%),
    radial-gradient(52% 52% at 82% 82%,rgba(91,75,224,.3),transparent 72%);
}
.media-frame__cap{
  position:absolute;
  left:0;
  bottom:0;
  padding:8px 12px;
  background:rgba(7,11,20,.84);
  font-family:var(--font-mono);
  font-size:.64rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--silver-mist);
}

/* ---------- 7. breadcrumb / back-to-top / toast ---------- */
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--steel-gray);
}
.crumb a{color:var(--steel-gray);transition:color .16s}
.crumb a:hover{color:var(--neon-cyan)}
.crumb__sep{color:var(--indigo-mid)}
.crumb__current{color:var(--signal-amber)}

.totop{
  position:fixed;
  right:clamp(14px,3vw,28px);
  bottom:clamp(14px,3vw,28px);
  z-index:70;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 14px;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--silver-paper);
  background:rgba(16,26,56,.94);
  border:1px solid var(--indigo-mid);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .2s,transform .2s,visibility .2s,border-color .16s,color .16s;
}
.totop.is-on{opacity:1;visibility:visible;transform:none}
.totop:hover{border-color:var(--neon-cyan);color:var(--neon-cyan)}

.toast{
  position:fixed;
  left:50%;
  bottom:28px;
  z-index:75;
  transform:translate(-50%,12px);
  padding:10px 16px;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:#04121A;
  background:var(--neon-cyan);
  border:1px solid #04121A;
  opacity:0;
  visibility:hidden;
  transition:opacity .2s,transform .2s,visibility .2s;
}
.toast.is-on{opacity:1;visibility:visible;transform:translate(-50%,0)}

/* ---------- 8. reveal ---------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}

/* ---------- 9. header ---------- */
.skip-link{
  position:fixed;
  left:16px;
  top:-80px;
  z-index:120;
  padding:10px 16px;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.1em;
  color:#04121A;
  background:var(--neon-cyan);
  border:1px solid #04121A;
  transition:top .16s var(--ease);
}
.skip-link:focus{top:12px}

.site-header{
  --hdr-h:72px;
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(7,11,20,.94);
  border-bottom:1px solid rgba(201,210,222,.18);
  transition:background .2s,border-color .2s,box-shadow .2s;
}
.site-header[data-stuck]{
  --hdr-h:56px;
  background:rgba(7,11,20,.985);
  border-bottom-color:rgba(47,224,198,.34);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.cmdbar__inner{
  display:flex;
  align-items:center;
  gap:clamp(10px,1.8vw,26px);
  height:var(--hdr-h);
  transition:height .2s var(--ease);
}

.cmdbar__brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brandglyph{
  width:34px;
  height:34px;
  display:grid;
  place-items:center;
  font-family:var(--font-head);
  font-weight:800;
  font-size:1.05rem;
  color:#04121A;
  background:linear-gradient(135deg,var(--neon-cyan),var(--data-blue));
  border:1px solid var(--silver-mist);
}
.cmdbar__wordmark{display:flex;flex-direction:column;line-height:1.1}
.cmdbar__cn{font-family:var(--font-head);font-weight:800;font-size:1.02rem;letter-spacing:.06em;color:#fff}
.cmdbar__sub{font-family:var(--font-mono);font-size:.58rem;letter-spacing:.16em;color:var(--steel-gray);text-transform:uppercase}

.cmdnav{flex:1 1 auto;display:flex;justify-content:center;min-width:0}
.cmdnav__list{display:flex;align-items:center;gap:clamp(0px,.6vw,8px)}
.cmdnav__item{flex:0 0 auto}
.cmdnav__link{
  position:relative;
  display:flex;
  align-items:baseline;
  gap:6px;
  padding:9px 8px;
  transition:color .16s;
}
.cmdnav__num{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.1em;color:var(--steel-gray)}
.cmdnav__ictx{font-family:var(--font-head);font-weight:700;font-size:.92rem;color:var(--silver-mist);letter-spacing:.01em;white-space:nowrap}
.cmdnav__link:hover .cmdnav__ictx{color:#fff}
.cmdnav__link[aria-current="page"] .cmdnav__ictx{color:#fff}
.cmdnav__link[aria-current="page"] .cmdnav__num{color:var(--signal-amber)}
.cmdnav__link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:8px;
  right:8px;
  bottom:0;
  height:2px;
  background:var(--neon-cyan);
  box-shadow:0 0 12px rgba(47,224,198,.7);
}
.cmdnav__foot{display:none}
.cmdnav__hint{color:var(--steel-gray);margin-bottom:12px}

.cmdbar__tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}

.pinbox{position:relative}
.pinbox__btn{
  padding:8px 12px;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--signal-amber);
  border:1px dashed rgba(255,194,75,.6);
  background:rgba(255,194,75,.06);
  transition:border-style .16s,background .16s,color .16s;
}
.pinbox__btn:hover{border-style:solid;background:rgba(255,194,75,.16)}
.pinbox__pop{
  position:absolute;
  right:0;
  top:calc(100% + 10px);
  width:min(300px,74vw);
  padding:14px;
  z-index:30;
  background:var(--indigo-deep);
  border:1px solid var(--indigo-mid);
  box-shadow:0 18px 44px rgba(0,0,0,.6);
}
.pinbox__pop[hidden]{display:none}
.pinbox__tag{color:var(--signal-amber);margin-bottom:6px}
.pinbox__pop p{font-size:.86rem;line-height:1.65;color:var(--silver-mist);max-width:none}
.pinbox__pop .btn{margin-top:12px}

.navtoggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--silver-paper);
  border:1px solid var(--indigo-mid);
  background:rgba(34,49,95,.6);
}
.navtoggle__bars{position:relative;display:block;width:16px;height:10px}
.navtoggle__bars::before,.navtoggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  height:1.5px;
  background:var(--neon-cyan);
  transition:transform .2s var(--ease);
}
.navtoggle__bars::before{top:0}
.navtoggle__bars::after{bottom:0}
.navtoggle[aria-expanded="true"] .navtoggle__bars::before{transform:translateY(4.25px) rotate(45deg)}
.navtoggle[aria-expanded="true"] .navtoggle__bars::after{transform:translateY(-4.25px) rotate(-45deg)}

.meter{height:2px;background:rgba(201,210,222,.12);overflow:hidden}
.meter__fill{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--data-blue),var(--neon-cyan));transition:width .12s linear}

/* ---------- 10. footer ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,104px);
  background:var(--night-ink);
  border-top:1px solid var(--indigo-mid);
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--neon-cyan),transparent);
  opacity:.55;
}
.footer__inner{padding-top:clamp(28px,4vw,42px);padding-bottom:clamp(22px,3vw,34px)}
.footer__status{
  display:flex;
  align-items:center;
  gap:10px;
  padding-bottom:22px;
  font-size:.68rem;
  letter-spacing:.12em;
  color:var(--steel-gray);
  border-bottom:1px solid rgba(201,210,222,.12);
}
.status__dot{width:7px;height:7px;background:var(--neon-cyan);box-shadow:0 0 10px var(--neon-cyan);flex:0 0 auto}
.footer__grid{
  display:grid;
  grid-template-columns:1.5fr repeat(4,minmax(0,1fr));
  gap:clamp(18px,2.6vw,36px);
  padding:clamp(26px,3.4vw,40px) 0 clamp(22px,3vw,32px);
}
.footer__brandname{font-family:var(--font-head);font-weight:800;font-size:1.35rem;letter-spacing:.06em;color:#fff}
.footer__brandsub{margin-top:4px;color:var(--neon-cyan)}
.footer__brandtext{margin-top:12px;max-width:26ch;font-size:.84rem;line-height:1.65;color:var(--steel-gray)}
.footer__title{
  padding-bottom:10px;
  margin-bottom:12px;
  font-family:var(--font-mono);
  font-size:.7rem;
  font-weight:400;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--signal-amber);
  border-bottom:1px solid rgba(201,210,222,.16);
}
.footer__list{display:flex;flex-direction:column;gap:10px}
.footer__item{display:flex;align-items:flex-start;gap:8px;font-size:.86rem;line-height:1.55;color:var(--silver-mist)}
.footer__key{flex:0 0 auto;color:var(--steel-gray);padding-top:2px}
.footer__val{word-break:break-word}
.footer__link{
  color:var(--silver-mist);
  border-bottom:1px solid rgba(201,210,222,.28);
  transition:color .16s,border-color .16s;
}
.footer__link:hover{color:var(--neon-cyan);border-bottom-color:var(--neon-cyan)}
.footer__note{margin-top:12px;font-size:.78rem;line-height:1.6;color:var(--steel-gray)}
.copybtn{
  flex:0 0 auto;
  margin-top:2px;
  padding:2px 6px;
  font-family:var(--font-mono);
  font-size:.6rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--steel-gray);
  border:1px solid rgba(201,210,222,.32);
  transition:color .16s,border-color .16s;
}
.copybtn:hover{color:var(--neon-cyan);border-color:var(--neon-cyan)}
.copybtn[data-copied]{color:var(--arc-orange);border-color:var(--arc-orange)}
.footer__legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 24px;
  padding-top:20px;
  border-top:1px solid rgba(201,210,222,.12);
}
.footer__copy{font-size:.68rem;letter-spacing:.1em;color:var(--steel-gray)}
.footer__links{display:flex;flex-wrap:wrap;gap:6px 18px}
.footer__links a{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--silver-mist);transition:color .16s}
.footer__links a:hover{color:var(--neon-cyan)}

/* ---------- 11. responsive ---------- */
@media (max-width:1180px){
  .cmdnav__ictx{font-size:.86rem}
  .cmdbar__cta{display:none}
}
@media (max-width:1080px){
  .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__brand{grid-column:1 / -1}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rail-layout{grid-template-columns:1fr}
  .index-rail{position:static;border-left:0;border-top:1px solid var(--indigo-mid);padding-left:0;padding-top:16px}
}
@media (max-width:980px){
  body{font-size:16px}
  .navtoggle{display:inline-flex}
  .cmdnav{
    position:fixed;
    left:0;
    right:0;
    top:var(--hdr-h);
    bottom:0;
    z-index:80;
    display:flex;
    flex-direction:column;
    justify-content:flex-start;
    padding:24px clamp(20px,6vw,40px) 48px;
    overflow-y:auto;
    background:linear-gradient(180deg,rgba(7,11,20,.99),rgba(16,26,56,.99));
    border-top:1px solid var(--indigo-mid);
    visibility:hidden;
    opacity:0;
    transform:translateY(-10px);
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
  }
  .cmdnav[data-open]{visibility:visible;opacity:1;transform:none}
  .cmdnav__list{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .cmdnav__item{border-bottom:1px solid rgba(201,210,222,.14)}
  .cmdnav__link{padding:16px 2px;gap:12px}
  .cmdnav__ictx{font-size:1.12rem}
  .cmdnav__num{font-size:.68rem}
  .cmdnav__link[aria-current="page"]::after{left:2px;right:auto;width:38px;bottom:10px}
  .cmdnav__foot{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;padding-top:22px;border-top:1px solid var(--indigo-mid)}
  body[data-nav-open]{overflow:hidden}
}
@media (max-width:640px){
  .cmdbar__sub{display:none}
  .cmdbar__cn{font-size:.96rem}
  .brandglyph{width:30px;height:30px;font-size:.95rem}
  .pinbox__btn{padding:7px 9px;font-size:.62rem}
  .navtoggle{padding:7px 9px}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .footer__legal{flex-direction:column;align-items:flex-start}
  .card--lift{margin-top:0}
  .card--tilt{transform:none}
  .card--tilt:hover{transform:translateY(-2px)}
}

/* ---------- 12. 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;
  }
  .js .reveal{opacity:1;transform:none}
  .meter__fill{transition:none}
}