/* =============================================================
   OG视讯厅 · 全站共享样式  /assets/site.css
   母题：深夜直播控制台 × 展览现场
   底色 深空黑 / 强调 霓虹青 · 电光紫 · 警示橙
   ============================================================= */

/* ---------- 01 Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html,body,h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,ul,ol,li{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}

/* ---------- 02 Tokens ---------- */
:root{
  --ink:#07070C;
  --panel:#101019;
  --paper:#F4EFE6;
  --cyan:#00E5D4;
  --violet:#8B5CF6;
  --alert:#FF7A2F;
  --warm:#FFE9C7;
  --track:#2A2A3A;
  --signal:#9AA3B2;
  --night:#1B1F3B;
  --pulse:linear-gradient(120deg,#00E5D4 0%,#8B5CF6 100%);

  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --font-en:"Space Grotesk","Archivo","Helvetica Neue",Arial,sans-serif;

  --shell:min(1180px,100% - 2.5rem);
  --ease:cubic-bezier(.22,1,.36,1);
  --radius:18px;
  --radius-s:10px;
}

/* ---------- 03 Base ---------- */
html{
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
  scroll-padding-top:8.5rem;
}
@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth}
}
body{
  min-height:100vh;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:16px;
  font-weight:400;
  line-height:1.9;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(56% 42% at 8% -6%,rgba(139,92,246,.22),transparent 70%),
    radial-gradient(46% 34% at 96% 2%,rgba(0,229,212,.15),transparent 72%),
    radial-gradient(44% 30% at 50% 108%,rgba(255,122,47,.09),transparent 72%);
}
main,.site-head,.site-foot{position:relative;z-index:1}
main{display:block}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
::selection{background:rgba(0,229,212,.3);color:var(--paper)}
@media (max-width:1359px){
  body[data-has-rail]{padding-bottom:4.2rem}
}

h1,h2,h3,h4{font-weight:900;line-height:1.25;letter-spacing:-.02em}
strong{font-weight:700;color:var(--paper)}
em{font-style:normal;color:var(--cyan)}

/* ---------- 04 Skip link ---------- */
.skip-link{
  position:fixed;
  top:.6rem;
  left:.6rem;
  z-index:200;
  padding:.7rem 1.15rem;
  border-radius:999px;
  background:var(--cyan);
  color:var(--ink);
  font-size:.84rem;
  font-weight:700;
  letter-spacing:.08em;
  transform:translateY(-180%);
  transition:transform .22s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 05 Layout helpers ---------- */
.wrap{width:var(--shell);margin-inline:auto}
.prose{max-width:62ch}
.prose p + p{margin-top:1.2em}
.lead{font-size:clamp(1.02rem,1.5vw,1.18rem);line-height:1.95;color:#DED8CC}
.sep{display:block;height:1px;background:var(--track);margin-block:2.4rem}
.slant{
  height:clamp(3rem,6vw,5rem);
  margin-block:clamp(1.4rem,4vw,3rem);
  border-radius:28px;
  background:linear-gradient(180deg,rgba(27,31,59,.72),rgba(27,31,59,0));
  transform:skewY(-3deg);
}

/* ---------- 06 Grid ---------- */
.grid{display:grid;gap:clamp(1rem,2.4vw,1.8rem)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--asym{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}
@media (max-width:900px){
  .grid--2,.grid--3,.grid--asym{grid-template-columns:minmax(0,1fr)}
}

/* ---------- 07 Section ---------- */
.section{padding-block:clamp(2.8rem,6vw,5rem)}
.section--tight{padding-block:clamp(2rem,4vw,3rem)}
.section__head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:1rem 2rem;
  margin-bottom:clamp(1.4rem,3vw,2.4rem);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--cyan);
}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--cyan)}
.section__title{
  font-size:clamp(1.7rem,3.6vw,2.6rem);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.25;
  margin-top:.5rem;
}
.section__note{
  max-width:46ch;
  font-size:.86rem;
  line-height:1.85;
  color:var(--signal);
}

/* ---------- 08 Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  padding:.68rem 1.3rem;
  border-radius:999px;
  border:1px solid transparent;
  font-size:.86rem;
  font-weight:700;
  letter-spacing:.12em;
  line-height:1.2;
  white-space:nowrap;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),
             background-color .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.btn--alert{
  background:var(--alert);
  color:#1A0A00;
  box-shadow:0 10px 26px -14px rgba(255,122,47,.9);
}
.btn--alert:hover{transform:translateY(-2px);box-shadow:0 18px 36px -14px rgba(255,122,47,1)}
.btn--ghost{
  border-color:var(--track);
  background:rgba(16,16,25,.7);
  color:var(--paper);
}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.btn--pulse{
  background:var(--pulse);
  color:#05050A;
  box-shadow:0 12px 28px -16px rgba(0,229,212,.95);
}
.btn--pulse:hover{transform:translateY(-2px)}

/* ---------- 09 Header ---------- */
.site-head{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(7,7,12,.96);
  border-bottom:1px solid var(--track);
  transition:background-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-head[data-stuck]{
  background:#07070C;
  box-shadow:0 22px 44px -36px rgba(0,229,212,.95);
}
.head__plate{
  width:var(--shell);
  margin-inline:auto;
  padding:.55rem 0 .1rem;
}
.head__masthead{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:1rem;
  padding-block:.35rem;
}
.head__kicker{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.2em;
  color:var(--signal);
  white-space:nowrap;
}
.head__logo{
  display:inline-flex;
  align-items:baseline;
  gap:.3rem;
  justify-self:center;
  font-family:var(--font-en);
  font-weight:700;
  font-size:clamp(1.45rem,2.6vw,2rem);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--paper);
}
.head__logo-en{color:var(--cyan);letter-spacing:.03em}
@supports (-webkit-background-clip:text){
  .head__logo-en{
    background:var(--pulse);
    -webkit-background-clip:text;
    background-clip:text;
    -webkit-text-fill-color:transparent;
  }
}
.head__logo-cn{
  font-family:var(--font-sans);
  font-weight:900;
  font-size:1.08em;
  letter-spacing:-.03em;
}
.head__utility{
  display:flex;
  justify-content:flex-end;
  align-items:center;
  gap:1.15rem;
}
.head__utility-link{
  display:inline-block;
  padding-block:.3rem;
  border-bottom:1px solid transparent;
  font-size:.74rem;
  letter-spacing:.14em;
  color:var(--signal);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.head__utility-link:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.head__tagline{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:.6rem;
  padding-bottom:.5rem;
  font-size:.74rem;
  letter-spacing:.2em;
  color:var(--signal);
}
.head__tagline::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 3px rgba(0,229,212,.16);
  animation:og-pulse 2.4s ease-in-out infinite;
}
@keyframes og-pulse{
  0%,100%{opacity:1;box-shadow:0 0 0 3px rgba(0,229,212,.16)}
  50%{opacity:.5;box-shadow:0 0 0 7px rgba(0,229,212,.04)}
}

.head__bar{
  position:relative;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:1rem;
  padding-top:.5rem;
  padding-bottom:.6rem;
  border-top:1px solid rgba(42,42,58,.75);
}
.head__cta{grid-column:3;justify-self:end;padding:.6rem 1.15rem;font-size:.8rem}

/* --- nav --- */
.nav{grid-column:2;justify-self:center}
.nav__list{display:flex;align-items:center;gap:.1rem}
.nav__link{
  position:relative;
  display:inline-block;
  padding:.55rem .85rem;
  border-radius:999px;
  font-size:.92rem;
  font-weight:500;
  letter-spacing:.06em;
  color:var(--paper);
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.nav__link::after{
  content:"";
  position:absolute;
  left:.85rem;
  right:.85rem;
  bottom:.3rem;
  height:2px;
  background:var(--pulse);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .28s var(--ease);
}
.nav__link:hover{color:var(--cyan)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link[aria-current="page"]{color:var(--cyan)}
.nav__link[aria-current="page"]::after{transform:scaleX(1)}

/* --- toggle --- */
.nav-toggle{
  display:none;
  align-items:center;
  gap:.5rem;
  padding:.5rem .85rem;
  border:1px solid var(--track);
  border-radius:999px;
  font-size:.78rem;
  letter-spacing:.14em;
  color:var(--signal);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle[aria-expanded="true"]{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle__bars{display:grid;gap:4px;width:18px}
.nav-toggle__bars span{
  display:block;
  height:1.5px;
  background:currentColor;
  transition:transform .24s var(--ease),opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* --- progress --- */
.progress{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  overflow:hidden;
}
.progress__bar{
  display:block;
  height:100%;
  width:0;
  background:var(--pulse);
  box-shadow:0 0 12px rgba(0,229,212,.7);
  transition:width .12s linear;
}

/* ---------- 10 Rail（侧边导览 / 底部控制条） ---------- */
.rail{display:none}
.rail:not([hidden]){display:none}

@media (min-width:1360px){
  .rail:not([hidden]){
    position:fixed;
    z-index:90;
    left:calc(50vw - 654px);
    top:50%;
    transform:translateY(-50%);
    display:flex;
    flex-direction:column;
    max-height:70vh;
    overflow:visible;
  }
  .rail__list{display:flex;flex-direction:column;gap:.25rem}
}
@media (max-width:1359px){
  .rail:not([hidden]){
    position:fixed;
    z-index:90;
    left:0;
    right:0;
    bottom:0;
    display:flex;
    align-items:center;
    gap:.35rem;
    padding:.4rem .8rem calc(.4rem + env(safe-area-inset-bottom,0px));
    background:rgba(7,7,12,.95);
    border-top:1px solid var(--track);
    overflow-x:auto;
    overscroll-behavior-x:contain;
    scrollbar-width:none;
  }
  .rail:not([hidden])::-webkit-scrollbar{display:none}
  .rail__list{display:flex;align-items:center;gap:.3rem}
}
.rail__item{position:relative}
.rail__link{
  position:relative;
  display:flex;
  align-items:center;
  gap:.45rem;
  padding:.28rem .35rem;
  border-radius:8px;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.1em;
  color:rgba(154,163,178,.62);
  transition:color .24s var(--ease),background-color .24s var(--ease);
  white-space:nowrap;
}
.rail__link::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:currentColor;
  flex:0 0 auto;
  transition:box-shadow .24s var(--ease);
}
.rail__link:hover,.rail__link:focus-visible{color:var(--cyan)}
.rail__link[aria-current="true"]{color:var(--cyan)}
.rail__link[aria-current="true"]::before{
  box-shadow:0 0 0 4px rgba(0,229,212,.18);
  animation:og-pulse 2.4s ease-in-out infinite;
}
.rail__idx{display:block;min-width:1.6em}
.rail__name{
  position:absolute;
  left:100%;
  top:50%;
  z-index:5;
  margin-left:.4rem;
  padding:.25rem .65rem;
  border:1px solid var(--track);
  border-radius:8px;
  background:var(--panel);
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:.76rem;
  letter-spacing:.06em;
  white-space:nowrap;
  opacity:0;
  pointer-events:none;
  transform:translate(-6px,-50%);
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.rail__link:hover .rail__name,
.rail__link:focus-visible .rail__name{opacity:1;transform:translate(0,-50%)}
@media (max-width:1359px){
  .rail__link{padding:.3rem .55rem;font-size:.74rem}
  .rail__name{
    position:static;
    margin-left:0;
    padding:0;
    border:0;
    background:none;
    color:inherit;
    opacity:1;
    transform:none;
    pointer-events:auto;
  }
}

/* ---------- 11 Card / Plaque / Media / Stat ---------- */
.card{
  position:relative;
  padding:clamp(1.2rem,2.4vw,1.7rem);
  border:1px solid var(--track);
  border-radius:var(--radius);
  background:var(--panel);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--cyan);
  box-shadow:0 24px 46px -32px rgba(0,229,212,.9);
}
.card__title{font-size:1.05rem;font-weight:700;letter-spacing:-.01em}
.card__meta{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.14em;
  color:var(--signal);
}
.card__body{font-size:.88rem;line-height:1.85;color:var(--signal)}

.plaque{
  padding:1rem 1.1rem;
  border-radius:14px;
  background:var(--warm);
  color:#1A1408;
  font-size:.84rem;
  line-height:1.8;
  box-shadow:0 18px 40px -30px rgba(0,0,0,.95);
}
.plaque__label{
  display:block;
  margin-bottom:.35rem;
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:#8A6B33;
}

.media{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/10;
  border:1px solid var(--track);
  border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(27,31,59,.92),rgba(16,16,25,.92));
  isolation:isolate;
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(0,229,212,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,229,212,.06) 1px,transparent 1px);
  background-size:28px 28px;
}
.media:has(img)::after{display:none}
.media__img{width:100%;height:100%;object-fit:cover}
.media__cap{
  position:absolute;
  left:.75rem;
  bottom:.75rem;
  z-index:2;
  padding:.28rem .7rem;
  border:1px solid var(--track);
  border-radius:999px;
  background:rgba(7,7,12,.85);
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.1em;
  color:var(--signal);
}
.media--square{aspect-ratio:1/1}
.media--tall{aspect-ratio:3/4}
.media--wide{aspect-ratio:21/9}

.stat{display:flex;flex-direction:column;gap:.2rem}
.stat__num{
  font-family:var(--font-mono);
  font-size:clamp(1.6rem,3vw,2.3rem);
  font-weight:700;
  line-height:1.1;
  letter-spacing:-.02em;
  color:var(--cyan);
}
.stat__label{font-size:.74rem;letter-spacing:.14em;color:var(--signal)}

/* ---------- 12 Tag / Band / Breadcrumb ---------- */
.tagset{display:flex;flex-wrap:wrap;gap:.5rem}
.tag{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding:.3rem .75rem;
  border:1px solid var(--track);
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.08em;
  color:var(--signal);
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
a.tag:hover{border-color:var(--cyan);color:var(--cyan)}

.band{
  display:flex;
  gap:1rem;
  padding-block:.4rem 1rem;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  scrollbar-width:thin;
  scrollbar-color:var(--track) transparent;
}
.band > *{flex:0 0 auto;scroll-snap-align:start}

.breadcrumb{width:var(--shell);margin-inline:auto;padding-top:1.1rem}
.breadcrumb__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.45rem;
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.08em;
  color:var(--signal);
}
.breadcrumb__item + .breadcrumb__item::before{content:"/";margin-right:.45rem;color:var(--track)}
.breadcrumb__link:hover{color:var(--cyan)}
.breadcrumb__current{color:var(--paper)}

/* ---------- 13 Reveal ---------- */
.js-on .reveal{
  opacity:0;
  transform:translate(12px,12px);
  transition:opacity .32s var(--ease),transform .32s var(--ease);
}
.js-on .reveal.is-visible{opacity:1;transform:none}

/* ---------- 14 Footer ---------- */
.site-foot{
  margin-top:clamp(3rem,7vw,5.5rem);
  border-top:1px solid var(--track);
  background:linear-gradient(180deg,rgba(27,31,59,.6),rgba(7,7,12,0) 62%);
}
.foot__inner{
  width:var(--shell);
  margin-inline:auto;
  display:grid;
  grid-template-columns:minmax(0,.85fr) minmax(0,2fr);
  gap:clamp(1.8rem,4vw,3.4rem);
  padding-block:clamp(2.6rem,5vw,3.8rem) clamp(1.8rem,3vw,2.6rem);
}
.foot__brand{
  display:inline-flex;
  align-items:baseline;
  gap:.28rem;
  font-family:var(--font-en);
  font-weight:700;
  font-size:1.7rem;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--paper);
}
.foot__brand-en{color:var(--cyan);letter-spacing:.03em}
@supports (-webkit-background-clip:text){
  .foot__brand-en{
    background:var(--pulse);
    -webkit-background-clip:text;
    background-clip:text;
    -webkit-text-fill-color:transparent;
  }
}
.foot__brand-cn{font-family:var(--font-sans);font-weight:900;font-size:1.05em;letter-spacing:-.03em}
.foot__line{
  margin-top:.9rem;
  font-family:var(--font-mono);
  font-size:.76rem;
  letter-spacing:.12em;
  color:var(--signal);
}
.foot__note{
  margin-top:.7rem;
  max-width:34ch;
  font-size:.8rem;
  line-height:1.85;
  color:var(--signal);
}
.foot__grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(1.2rem,3vw,2rem);
}
.foot__col-title{
  margin-bottom:.9rem;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.2em;
  color:var(--cyan);
}
.foot__col-title::before{content:"// ";color:var(--violet)}
.foot__links{display:flex;flex-direction:column;gap:.5rem}
.foot__link{
  display:inline-block;
  font-size:.84rem;
  line-height:1.7;
  color:var(--signal);
  transition:color .2s var(--ease);
}
.foot__link:hover{color:var(--cyan)}
.foot__base{border-top:1px solid rgba(42,42,58,.85)}
.foot__base-inner{
  width:var(--shell);
  margin-inline:auto;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:.6rem;
  padding:1.1rem 0 1.6rem;
  font-size:.74rem;
  letter-spacing:.1em;
  color:var(--signal);
}
.foot__legal,.foot__copy{font-family:var(--font-mono)}

/* ---------- 15 Responsive ---------- */
@media (max-width:1080px){
  .head__kicker{display:none}
}
@media (max-width:900px){
  .foot__inner{grid-template-columns:minmax(0,1fr);gap:2.2rem}
  .foot__note{max-width:46ch}
}
@media (max-width:880px){
  :root{--shell:min(1180px,100% - 1.75rem)}
  .head__masthead{
    grid-template-columns:1fr auto;
    padding-block:.45rem .1rem;
  }
  .head__kicker,.head__utility{display:none}
  .head__logo{grid-column:1;justify-self:start;font-size:1.45rem}
  .head__tagline{
    justify-content:flex-start;
    gap:.5rem;
    padding-bottom:.55rem;
    font-size:.68rem;
    letter-spacing:.14em;
  }
  .head__bar{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:.6rem;
  }
  .nav-toggle{display:inline-flex}
  .head__cta{padding:.55rem 1rem;font-size:.76rem;letter-spacing:.08em}
  .nav{
    position:absolute;
    left:0;
    right:0;
    top:calc(100% + .55rem);
    display:none;
    padding:.5rem;
    border:1px solid var(--track);
    border-radius:16px;
    background:var(--panel);
    box-shadow:0 30px 60px -34px #000;
  }
  .nav[data-open]{display:block}
  .nav__list{flex-direction:column;align-items:stretch;gap:.1rem}
  .nav__link{display:block;padding:.7rem .85rem;border-radius:10px}
  .nav__link::after{display:none}
  .nav__link[aria-current="page"]{background:rgba(0,229,212,.08)}
}
@media (max-width:640px){
  .foot__grid{grid-template-columns:minmax(0,1fr);gap:1.5rem}
  .section__head{margin-bottom:1.4rem}
}
@media (max-width:380px){
  .head__cta{padding:.5rem .8rem;font-size:.72rem;letter-spacing:.04em}
}

/* ---------- 16 Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js-on .reveal,
  .js-on .reveal.is-visible{opacity:1;transform:none;transition:none}
  .head__tagline::before,
  .rail__link[aria-current="true"]::before{animation:none}
  .progress__bar{transition:none}
  .card:hover,.btn:hover{transform:none}
  .media{aspect-ratio:16/10}
}