/* ===================================================
   AK赛场 · 共享样式表 /assets/site.css
   tokens → reset → typography → header → footer → components
   =================================================== */

:root{
  --deck-navy:#0A1B2E;
  --panel-blue:#0F2942;
  --glass-blue:#16395C;
  --volt:#39FF88;
  --arc:#FF7A1A;
  --ice:#E8EEF4;
  --steel:#9BAEC2;
  --leaf:#1FBF6B;
  --amber:#FFD166;
  --line:#1D4E75;

  --rail-w:240px;
  --maxw:1360px;
  --gutter:clamp(16px,4vw,48px);
  --radius:14px;
  --radius-sm:9px;

  --glass-bg:rgba(22,57,92,.72);
  --glass-line:rgba(29,78,117,.9);
  --shadow-deep:0 26px 60px -30px rgba(0,0,0,.9);
  --ease:cubic-bezier(.22,.61,.36,1);

  --font-display:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:system-ui,-apple-system,"Segoe UI","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono","Roboto Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --font-serif:"Noto Serif SC","Songti SC",Georgia,"SimSun",serif;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  background:
    radial-gradient(1200px 620px at 84% -10%, rgba(57,255,136,.10), transparent 62%),
    radial-gradient(940px 520px at -8% 26%, rgba(255,122,26,.09), transparent 60%),
    var(--deck-navy);
  background-repeat:no-repeat;
  color:var(--ice);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg,video{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0}

/* ---------- typography ---------- */
h1,h2,h3,h4{
  margin:0;
  font-family:var(--font-display);
  font-weight:900;
  font-stretch:condensed;
  letter-spacing:-.02em;
  line-height:1.18;
  text-wrap:balance;
}
h1{font-size:clamp(1.8rem,3.4vw,2.8rem)}
h2{font-size:clamp(1.35rem,2.2vw,1.75rem)}
h3{font-size:1.25rem}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:inherit;text-decoration:none}
strong{font-weight:700}
hr{border:0;border-top:1px solid var(--line);margin:clamp(28px,4vw,44px) 0}
::selection{background:var(--volt);color:#04121F}

:focus-visible{
  outline:3px solid var(--volt);
  outline-offset:3px;
  border-radius:4px;
}

/* ---------- skip link ---------- */
.skip-link{
  position:absolute;
  left:var(--gutter);
  top:-80px;
  z-index:220;
  padding:10px 20px;
  background:var(--volt);
  color:#04121F;
  font-weight:700;
  font-size:.9rem;
  border-radius:0 0 12px 12px;
  box-shadow:0 14px 30px -16px rgba(57,255,136,1);
  transition:top .22s var(--ease);
}
.skip-link:focus{top:0}

/* ---------- layout tools ---------- */
.wrap{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.shell{
  display:grid;
  grid-template-columns:var(--rail-w) minmax(0,1fr);
  gap:clamp(22px,3vw,44px);
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.shell__rail{
  align-self:start;
  position:sticky;
  top:clamp(88px,12vh,128px);
}
.shell__body{min-width:0}
.grid-auto{
  display:grid;
  gap:clamp(16px,2.4vw,26px);
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
}
.grid-12{
  display:grid;
  gap:clamp(16px,2.4vw,26px);
  grid-template-columns:repeat(12,minmax(0,1fr));
}
.visually-hidden{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ===================================================
   HEADER
   =================================================== */
.masthead{
  position:sticky;
  top:0;
  z-index:90;
  transition:transform .38s var(--ease);
  will-change:transform;
}
.masthead.is-hidden{transform:translateY(-100%)}

.masthead__bar{
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,26px);
  padding:clamp(10px,1.5vw,16px) var(--gutter);
  border-bottom:1px solid transparent;
  background:transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.masthead.is-scrolled .masthead__bar{
  background:linear-gradient(180deg,rgba(10,27,46,.96),rgba(10,27,46,.80));
  border-bottom-color:var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}

/* brand track */
.masthead__brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  display:flex;
  align-items:center;
  gap:12px;
  padding:6px 10px 6px 6px;
  border-radius:13px;
  transition:background .25s var(--ease);
}
.brand-mark:hover{background:rgba(57,255,136,.09)}
.brand-mark__sigil{
  display:grid;
  place-items:center;
  width:42px;
  height:42px;
  border-radius:11px;
  background:linear-gradient(145deg,var(--volt),var(--leaf));
  color:#04121F;
  font-family:var(--font-mono);
  font-weight:700;
  font-size:1.02rem;
  letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(57,255,136,.55),0 12px 26px -14px rgba(57,255,136,.95);
}
.brand-mark__text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{
  font-family:var(--font-display);
  font-weight:900;
  font-size:1.06rem;
  letter-spacing:-.02em;
}
.brand-tag{
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.2em;
  color:var(--steel);
  text-transform:uppercase;
}
.brand-version{
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.06em;
  color:var(--amber);
  padding:3px 9px;
  border-radius:999px;
  border:1px solid rgba(255,209,102,.4);
  background:rgba(255,209,102,.08);
  white-space:nowrap;
}

/* scan line */
.scanline{
  flex:1 1 auto;
  min-width:24px;
  height:1px;
  background-image:linear-gradient(90deg,transparent 0%,rgba(57,255,136,.75) 8%,transparent 16%,rgba(255,122,26,.6) 52%,transparent 62%);
  background-size:220% 100%;
  background-repeat:no-repeat;
  animation:scan-drift 9s linear infinite;
}
@keyframes scan-drift{
  0%{background-position:130% 0}
  100%{background-position:-130% 0}
}

/* nav toggle */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  flex:0 0 auto;
  padding:9px 15px;
  border-radius:999px;
  background:rgba(22,57,92,.7);
  border:1px solid var(--line);
  color:var(--ice);
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.1em;
  cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--volt);color:var(--volt)}
.nav-toggle__bars{
  position:relative;
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .25s var(--ease),top .25s var(--ease);
}
.nav-toggle__bars::before{top:-6px}
.nav-toggle__bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:0;transform:rotate(-45deg)}

/* primary navigation */
.primary-nav{flex:0 0 auto}
.primary-nav__list{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0;
  padding:0;
  list-style:none;
}
.primary-nav__link{
  display:block;
  padding:9px 13px;
  border-radius:10px;
  border:1px solid transparent;
  font-size:.93rem;
  font-weight:600;
  color:var(--steel);
  white-space:nowrap;
  transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.primary-nav__link:hover{
  color:var(--ice);
  background:rgba(22,57,92,.8);
  border-color:var(--line);
}
.primary-nav__link[aria-current="page"]{
  color:#04121F;
  background:var(--volt);
  border-color:transparent;
  box-shadow:0 10px 24px -16px rgba(57,255,136,1);
}

/* scroll dock */
.masthead__dock{
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,20px);
  max-height:0;
  opacity:0;
  overflow:hidden;
  padding:0 var(--gutter);
  border-bottom:1px solid transparent;
  background:linear-gradient(180deg,rgba(15,41,66,.86),rgba(10,27,46,.82));
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:max-height .38s var(--ease),opacity .3s var(--ease),padding .3s var(--ease),border-color .3s var(--ease);
}
.masthead.is-docked .masthead__dock{
  max-height:80px;
  opacity:1;
  padding:10px var(--gutter);
  border-bottom-color:var(--line);
}
.dock__label{
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--steel);
  white-space:nowrap;
}
.dock__links{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
}
.dock-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 13px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(10,27,46,.6);
  color:var(--ice);
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.05em;
  white-space:nowrap;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.dock-link::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--arc);
  flex:0 0 auto;
}
.dock-link:hover{
  border-color:var(--volt);
  background:rgba(57,255,136,.1);
  color:var(--volt);
}

/* ===================================================
   FOOTER
   =================================================== */
.scorebar{
  position:relative;
  margin-top:clamp(56px,9vw,110px);
  background:linear-gradient(180deg,rgba(15,41,66,.66),rgba(10,27,46,.99) 46%),var(--deck-navy);
  border-top:1px solid var(--line);
}
.scorebar::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:2px;
  background:linear-gradient(90deg,transparent,var(--volt) 24%,var(--arc) 68%,transparent);
  opacity:.85;
}
.scorebar__inner{
  display:grid;
  grid-template-columns:minmax(280px,1.6fr) repeat(3,minmax(120px,1fr));
  gap:clamp(26px,4vw,52px);
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding:clamp(34px,5vw,62px) var(--gutter) clamp(26px,4vw,42px);
}
.scorebar__col{min-width:0}
.scorebar__col--brand{max-width:44ch}
.scorebar__logo{
  display:inline-block;
  font-family:var(--font-display);
  font-weight:900;
  font-size:1.4rem;
  letter-spacing:-.01em;
  color:var(--ice);
  padding-bottom:3px;
  border-bottom:3px solid var(--volt);
}
.scorebar__status{
  display:flex;
  align-items:center;
  gap:10px;
  margin:16px 0 20px;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--steel);
}
.status-dot{
  width:8px;height:8px;
  border-radius:50%;
  background:var(--volt);
  box-shadow:0 0 0 4px rgba(57,255,136,.16);
  animation:status-pulse 2.6s ease-in-out infinite;
  flex:0 0 auto;
}
@keyframes status-pulse{
  50%{box-shadow:0 0 0 9px rgba(57,255,136,0)}
}
.scorebar__contact{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:7px 14px;
  margin:0;
}
.scorebar__contact dt{
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--steel);
  padding-top:4px;
  white-space:nowrap;
}
.scorebar__contact dd{
  margin:0;
  font-size:.86rem;
  line-height:1.65;
  color:var(--ice);
  overflow-wrap:anywhere;
}
.scorebar__title{
  margin:0 0 15px;
  font-family:var(--font-mono);
  font-size:.7rem;
  font-weight:500;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--arc);
}
.scorebar__list{
  display:grid;
  gap:10px;
  margin:0;
  padding:0;
  list-style:none;
}
.scorebar__link{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:.92rem;
  color:var(--steel);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.scorebar__link::before{
  content:"";
  width:5px;height:5px;
  border-radius:50%;
  background:var(--line);
  flex:0 0 auto;
  transition:background .2s var(--ease);
}
.scorebar__link:hover{color:var(--volt);transform:translateX(3px)}
.scorebar__link:hover::before{background:var(--volt)}

.scorebar__legal{
  border-top:1px solid var(--line);
  background:rgba(10,27,46,.72);
}
.scorebar__legal-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding:15px var(--gutter);
}
.legal-mono{
  margin:0;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.06em;
  color:var(--steel);
  overflow-wrap:anywhere;
}
.legal-pin{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  border:1px solid rgba(255,209,102,.35);
  background:rgba(255,209,102,.08);
  color:var(--amber);
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.18em;
  white-space:nowrap;
}

/* ===================================================
   SHARED COMPONENTS
   =================================================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:12px 22px;
  border:1px solid transparent;
  border-radius:999px;
  font-size:.95rem;
  font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn--volt{
  background:var(--volt);
  color:#04121F;
  box-shadow:0 16px 36px -22px rgba(57,255,136,1);
}
.btn--volt:hover{background:#5bffa1;transform:translateY(-2px)}
.btn--arc{
  background:var(--arc);
  color:#1A0C02;
  box-shadow:0 16px 36px -22px rgba(255,122,26,1);
}
.btn--arc:hover{background:#ff9346;transform:translateY(-2px)}
.btn--ghost{
  background:rgba(22,57,92,.55);
  border-color:var(--line);
  color:var(--ice);
}
.btn--ghost:hover{border-color:var(--volt);color:var(--volt);transform:translateY(-2px)}

.breadcrumbs{padding-top:clamp(18px,3vw,30px)}
.breadcrumbs__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.08em;
  color:var(--steel);
}
.breadcrumbs__item{display:inline-flex;align-items:center}
.breadcrumbs__item + .breadcrumbs__item::before{
  content:"/";
  margin-right:8px;
  color:var(--line);
}
.breadcrumbs__link{color:var(--steel);transition:color .2s var(--ease)}
.breadcrumbs__link:hover{color:var(--volt)}
.breadcrumbs__item[aria-current="page"]{color:var(--ice)}

.prose{
  max-width:72ch;
  font-size:1.03rem;
  line-height:1.78;
  color:#D6E1EC;
}
.prose h2{font-size:1.35rem;margin:2.1em 0 .7em;color:var(--ice)}
.prose h3{font-size:1.1rem;margin:1.8em 0 .6em;color:var(--ice)}
.prose p{margin:0 0 1.15em}
.prose ul,.prose ol{margin:0 0 1.15em;padding-left:1.35em}
.prose li{margin-bottom:.5em}
.prose strong{color:var(--volt);font-weight:700}
.prose a{
  color:var(--volt);
  border-bottom:1px solid rgba(57,255,136,.42);
}
.prose a:hover{border-bottom-color:var(--volt)}
.prose code{
  font-family:var(--font-mono);
  font-size:.88em;
  padding:.12em .45em;
  border-radius:6px;
  border:1px solid var(--line);
  background:rgba(22,57,92,.8);
  color:var(--amber);
}

.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(22,57,92,.92),rgba(10,27,46,.96));
}
.media-frame > img,
.media-frame > picture > img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(180deg,rgba(10,27,46,0) 44%,rgba(10,27,46,.76) 100%),
    repeating-linear-gradient(90deg,rgba(29,78,117,.22) 0 1px,transparent 1px 68px);
}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--tall{aspect-ratio:3 / 4}
.media-frame--square{aspect-ratio:1 / 1}
.media-frame__caption{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:2;
  padding:14px 16px;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.08em;
  color:var(--steel);
}

.card{
  position:relative;
  overflow:hidden;
  padding:clamp(18px,2.4vw,26px);
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--panel-blue);
  transition:border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.card::after{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:2px;
  background:linear-gradient(90deg,var(--volt),var(--arc));
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .42s var(--ease);
}
.card:hover{
  border-color:rgba(57,255,136,.55);
  transform:translateY(-3px);
  box-shadow:var(--shadow-deep);
}
.card:hover::after{transform:scaleX(1)}

.glass-panel{
  border:1px solid var(--glass-line);
  border-radius:var(--radius);
  background:var(--glass-bg);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--volt);
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:var(--volt);
}

.section-num{
  display:block;
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(2rem,4vw,3.2rem);
  line-height:1;
  letter-spacing:-.03em;
  color:transparent;
  -webkit-text-stroke:1.5px var(--arc);
}

.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:4px 11px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(22,57,92,.7);
  color:var(--steel);
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.06em;
}
.chip--volt{
  color:var(--volt);
  border-color:rgba(57,255,136,.45);
  background:rgba(57,255,136,.09);
}
.chip--arc{
  color:var(--arc);
  border-color:rgba(255,122,26,.45);
  background:rgba(255,122,26,.09);
}

.stat{display:flex;flex-direction:column;gap:5px}
.stat__value{
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(1.9rem,4.4vw,3.2rem);
  line-height:1;
  letter-spacing:-.03em;
  color:var(--ice);
}
.stat__value--volt{color:var(--volt)}
.stat__value--arc{color:var(--arc)}
.stat__label{
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--steel);
}

/* ---------- motion primitives ---------- */
html.js [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .62s var(--ease),transform .62s var(--ease);
}
html.js [data-reveal].is-visible{
  opacity:1;
  transform:none;
}

.scroll-progress{
  position:fixed;
  inset:0 0 auto 0;
  height:2px;
  z-index:200;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--volt),var(--amber),var(--arc));
  pointer-events:none;
}

.to-top{
  position:fixed;
  right:clamp(14px,3vw,28px);
  bottom:clamp(14px,3vw,28px);
  z-index:70;
  display:grid;
  place-items:center;
  width:44px;
  height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(15,41,66,.88);
  color:var(--ice);
  font-family:var(--font-mono);
  font-size:1.05rem;
  cursor:pointer;
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s,border-color .2s var(--ease),color .2s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:var(--volt);color:var(--volt)}
body.is-nav-open .to-top{opacity:0;visibility:hidden;pointer-events:none}

/* ===================================================
   RESPONSIVE
   =================================================== */
@media (max-width:1180px){
  .scorebar__inner{grid-template-columns:minmax(240px,1.4fr) repeat(3,minmax(110px,1fr))}
  .primary-nav__link{padding:8px 10px;font-size:.88rem}
}

@media (max-width:1080px){
  .shell{grid-template-columns:minmax(0,1fr)}
  .shell__rail{position:static;top:auto}
}

@media (max-width:980px){
  .scorebar__inner{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scorebar__col--brand{grid-column:1 / -1;max-width:none}
}

@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .scanline{display:none}
  .masthead__bar{justify-content:space-between}
  .masthead__brand{order:1}
  .nav-toggle{order:3;margin-left:auto}
  .primary-nav{
    order:2;
    position:fixed;
    left:0;
    right:0;
    bottom:0;
    z-index:130;
    max-height:82vh;
    overflow-y:auto;
    padding:20px var(--gutter) calc(24px + env(safe-area-inset-bottom,0px));
    border-top:1px solid var(--line);
    border-radius:22px 22px 0 0;
    background:linear-gradient(180deg,rgba(15,41,66,.97),rgba(10,27,46,.99));
    backdrop-filter:blur(18px) saturate(140%);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    box-shadow:0 -32px 64px -32px rgba(0,0,0,.92);
    transform:translateY(112%);
    visibility:hidden;
    transition:transform .36s var(--ease),visibility .36s var(--ease);
  }
  .primary-nav[data-open]{
    transform:translateY(0);
    visibility:visible;
  }
  .primary-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:6px;
  }
  .primary-nav__link{
    padding:14px 16px;
    font-size:1rem;
    border-radius:12px;
    border-color:rgba(29,78,117,.65);
    background:rgba(10,27,46,.5);
  }
  body.is-nav-open{overflow:hidden}
  .masthead.is-docked .masthead__dock{
    max-height:132px;
    overflow:visible;
  }
  .masthead__dock{flex-wrap:wrap}
  .to-top{bottom:calc(16px + 8px)}
  .masthead.is-hidden{transform:none}
}

@media (max-width:640px){
  body{font-size:16px}
  .brand-tag{display:none}
  .brand-mark__sigil{width:38px;height:38px;font-size:.95rem}
  .brand-version{font-size:.62rem;padding:2px 7px}
  .scorebar__inner{grid-template-columns:minmax(0,1fr);gap:28px}
  .scorebar__contact{grid-template-columns:minmax(0,1fr);gap:2px}
  .scorebar__contact dt{padding-top:8px}
  .scorebar__legal-inner{flex-direction:column;align-items:flex-start}
  .grid-12{grid-template-columns:minmax(0,1fr)}
}

/* ===================================================
   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;
  }
  html.js [data-reveal]{opacity:1;transform:none}
  .scanline{background-image:linear-gradient(90deg,transparent,rgba(57,255,136,.35),transparent)}
  .masthead{transition:none}
}