/* ===== 1. Reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:96px}
body,h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
h1,h2,h3,h4{font-weight:700;line-height:1.25}
ul,ol{padding:0;list-style:none}
img,svg,picture,video{max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit}
[hidden]{display:none !important}

/* ===== 2. Tokens ===== */
:root{
  --bg:#060A18;
  --panel:#0D1530;
  --panel-2:#0B1230;
  --rail:#22335C;
  --violet:#7A5CFF;
  --cyan:#3DF2D6;
  --amber:#FFB547;
  --ink:#EAF1FF;
  --muted:#9AAECE;
  --glass:rgba(122,92,255,0.10);
  --danger:#FF6B7A;
  --rail-w:248px;
  --radius:12px;
  --maxw:1240px;
  --font-display:'Noto Serif SC','Source Han Serif SC',serif;
  --font-head:'HarmonyOS Sans SC','Inter','PingFang SC',sans-serif;
  --font-body:'PingFang SC','Noto Sans SC','Microsoft YaHei',sans-serif;
  --font-mono:'JetBrains Mono','Roboto Mono','SFMono-Regular',monospace;
  --shadow-glass:0 26px 60px rgba(3,6,18,.70);
}

/* ===== 3. Base ===== */
body{
  position:relative;
  min-height:100vh;
  overflow-x:hidden;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 540px at 10% -8%, rgba(122,92,255,.22), transparent 62%),
    radial-gradient(760px 420px at 94% 2%, rgba(61,242,214,.10), transparent 60%),
    linear-gradient(180deg,#060A18 0%,#060A18 62%,#070C1E 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.55;
  background-image:
    linear-gradient(to right, rgba(34,51,92,.38) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34,51,92,.30) 1px, transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(120% 90% at 50% 0%, #000 18%, transparent 76%);
  mask-image:radial-gradient(120% 90% at 50% 0%, #000 18%, transparent 76%);
}
main,.site-header,.site-footer{position:relative;z-index:1}
#main-content{scroll-margin-top:104px}
a{text-decoration:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

/* ===== 4. Utilities ===== */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:18px}
.mono{font-family:var(--font-mono);font-size:.92em;letter-spacing:.04em}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan)}
.text-muted{color:var(--muted)}
.is-hidden{display:none !important}

/* ===== 5. Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:9px 16px;border-radius:10px;border:1px solid transparent;
  font-family:var(--font-head);font-size:13px;font-weight:600;letter-spacing:.02em;
  text-decoration:none;cursor:pointer;
  transition:background .16s ease,border-color .16s ease,color .16s ease,box-shadow .16s ease,transform .16s ease;
}
.btn:active{transform:translateY(1px)}
.btn--primary{
  background:linear-gradient(135deg,var(--violet),#5A3CE0);
  color:#fff;
  box-shadow:0 10px 24px rgba(122,92,255,.32);
}
.btn--primary:hover{box-shadow:0 14px 32px rgba(122,92,255,.48)}
.btn--ghost{background:rgba(13,21,48,.72);border-color:var(--rail);color:var(--ink)}
.btn--ghost:hover{border-color:rgba(61,242,214,.6);background:rgba(61,242,214,.10);color:#fff}
.btn--quiet{background:transparent;border-color:transparent;color:var(--muted)}
.btn--quiet:hover{color:var(--cyan)}

/* ===== 6. Header ===== */
.site-header{position:relative;z-index:60}
.skip-link{
  position:fixed;top:-120px;left:16px;z-index:200;
  padding:10px 18px;border-radius:0 0 10px 10px;
  background:var(--violet);color:#fff;font-weight:600;font-size:14px;
  transition:top .18s ease;
}
.skip-link:focus{top:0}

.brand-rail{
  position:relative;
  display:flex;flex-direction:column;gap:18px;
  padding:14px 18px 16px;
  background:linear-gradient(180deg,rgba(13,21,48,.97) 0%,rgba(6,10,24,.99) 100%);
  border-bottom:1px solid var(--rail);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
}
.brand-rail::before{
  content:"";position:absolute;top:0;bottom:0;right:-1px;width:1px;
  background:linear-gradient(180deg,transparent,rgba(122,92,255,.85),rgba(61,242,214,.6),transparent);
  opacity:.85;pointer-events:none;
}
.brand-rail__top{display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;align-items:center;gap:12px;min-width:0;color:var(--ink)}
.brand__mark{
  position:relative;flex:0 0 auto;display:grid;place-items:center;
  width:34px;height:34px;border:1px solid var(--rail);border-radius:10px;
  background:radial-gradient(circle at 30% 20%,rgba(122,92,255,.55),rgba(6,10,24,.92));
  box-shadow:inset 0 0 18px rgba(61,242,214,.16);
}
.brand__mark-core{
  width:12px;height:12px;border-radius:2px;transform:rotate(45deg);
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  box-shadow:0 0 14px rgba(61,242,214,.65);
}
.brand__text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand__name{font-family:var(--font-head);font-weight:800;font-size:17px;letter-spacing:.02em;color:var(--ink)}
.brand__desc{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.04em;color:var(--muted);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

.nav-toggle{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:10px;
  background:rgba(122,92,255,.12);border:1px solid var(--rail);color:var(--ink);
  font-family:var(--font-head);font-size:13px;font-weight:600;cursor:pointer;
  transition:background .16s ease,border-color .16s ease;
}
.nav-toggle:hover{background:rgba(122,92,255,.24);border-color:rgba(122,92,255,.65)}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.nav-toggle__bars span{display:block;height:2px;border-radius:2px;background:var(--cyan);transition:transform .2s ease,opacity .2s ease}
.site-header[data-open] .nav-toggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars span:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.rail-nav{display:none;flex-direction:column;gap:14px}
.site-header[data-open] .rail-nav{display:flex}
.rail-nav__label{
  padding-bottom:8px;border-bottom:1px dashed rgba(34,51,92,.95);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);
}
.rail-nav__list{display:flex;flex-direction:column;gap:2px}
.rail-nav__link{
  display:grid;grid-template-columns:34px 1fr;align-items:center;gap:6px;
  padding:9px 10px;border-radius:9px;border-left:2px solid transparent;
  color:var(--muted);font-family:var(--font-head);font-size:15px;font-weight:500;
  transition:color .16s ease,background .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.rail-nav__link:hover{color:var(--ink);background:rgba(122,92,255,.12);border-left-color:rgba(61,242,214,.5)}
.rail-nav__num{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:rgba(154,174,206,.7)}
.rail-nav__text{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rail-nav__link[aria-current="page"]{
  color:#fff;
  background:linear-gradient(90deg,rgba(122,92,255,.44),rgba(122,92,255,.06));
  border-left-color:var(--cyan);
  box-shadow:inset 0 0 0 1px rgba(122,92,255,.35),0 0 22px rgba(122,92,255,.16);
}
.rail-nav__link[aria-current="page"] .rail-nav__num{color:var(--amber)}

.rail-actions{display:flex;flex-wrap:wrap;gap:8px}
.rail-meta{display:flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--muted)}
.rail-meta__dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:pulse 2.6s ease-in-out infinite}

.topbar{
  position:relative;
  border-bottom:1px solid transparent;
  transition:background .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:9px 18px}
.topbar__meta{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
}
.topbar__status{width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 10px rgba(255,181,71,.85)}
.topbar__percent{color:var(--amber);font-variant-numeric:tabular-nums}
.topbar__actions{position:relative;display:flex;align-items:center;gap:8px}
.topbar__link{display:none;padding:7px 13px;font-size:12px}
.topbar__link--accent{color:var(--amber);border-color:rgba(255,181,71,.40)}
.topbar__link--accent:hover{border-color:rgba(255,181,71,.85);background:rgba(255,181,71,.12);color:var(--amber)}

.quick-search{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 13px;border-radius:10px;
  background:rgba(13,21,48,.74);border:1px solid var(--rail);color:var(--ink);
  font-family:var(--font-head);font-size:13px;font-weight:600;cursor:pointer;
  transition:background .16s ease,border-color .16s ease,color .16s ease;
}
.quick-search:hover{border-color:rgba(61,242,214,.62);background:rgba(61,242,214,.10);color:#fff}
.quick-search__icon{position:relative;display:inline-block;width:12px;height:12px;border:2px solid var(--cyan);border-radius:50%}
.quick-search__icon::after{
  content:"";position:absolute;right:-4px;bottom:-4px;width:2px;height:7px;border-radius:2px;
  background:var(--cyan);transform:rotate(45deg);
}
.quick-search__text{white-space:nowrap}

.search-panel{
  position:absolute;top:calc(100% + 10px);right:0;z-index:20;
  display:none;width:min(380px,calc(100vw - 36px));padding:14px;border-radius:14px;
  border:1px solid rgba(122,92,255,.45);
  background:linear-gradient(180deg,rgba(13,21,48,.99),rgba(6,10,24,.99));
  box-shadow:var(--shadow-glass);
}
.search-panel[data-open]{display:block;animation:panelIn .16s ease-out}
.search-panel__hint{
  margin-bottom:8px;font-family:var(--font-mono);font-size:10px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted);
}
.search-panel__field{display:block;margin-bottom:10px}
.search-panel__field-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.search-panel__input{
  width:100%;padding:10px 12px;border-radius:10px;
  border:1px solid var(--rail);background:rgba(6,10,24,.9);color:var(--ink);
  font-family:var(--font-body);font-size:14px;
}
.search-panel__input::placeholder{color:rgba(154,174,206,.72)}
.search-panel__input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(61,242,214,.18)}
.search-panel__list{display:flex;flex-direction:column;gap:2px;max-height:min(48vh,320px);overflow-y:auto}
.search-panel__item{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:9px 10px;border-radius:9px;color:var(--ink);font-size:13.5px;
  transition:background .14s ease,color .14s ease;
}
.search-panel__item:hover,.search-panel__item:focus-visible{background:rgba(122,92,255,.20);color:#fff}
.search-panel__item-label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.search-panel__item-key{font-family:var(--font-mono);font-size:11px;color:var(--muted);flex:0 0 auto}
.search-panel__empty{margin-top:10px;font-size:13px;color:var(--muted)}

.read-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:rgba(34,51,92,.45);overflow:hidden}
.read-progress__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--violet) 0%,var(--cyan) 68%,var(--amber) 100%);
  transition:width .12s linear;
}

@keyframes pulse{
  0%,100%{opacity:1;box-shadow:0 0 10px rgba(61,242,214,.9)}
  50%{opacity:.45;box-shadow:0 0 4px rgba(61,242,214,.5)}
}
@keyframes panelIn{
  from{opacity:0;transform:translateY(-4px)}
  to{opacity:1;transform:none}
}

/* ===== 7. Footer ===== */
.site-footer{
  position:relative;z-index:1;
  margin-top:40px;padding:44px 0 24px;
  border-top:1px solid var(--rail);
  background-image:
    radial-gradient(700px 320px at 6% 0%,rgba(122,92,255,.22),transparent 62%),
    radial-gradient(600px 320px at 92% 8%,rgba(61,242,214,.10),transparent 60%),
    linear-gradient(180deg,#070C1E 0%,#060A18 62%);
}
.footer__inner{position:relative}
.footer__grid{display:grid;gap:32px;grid-template-columns:1fr}
.footer__logo{
  display:inline-block;
  font-family:var(--font-display);font-weight:700;font-size:clamp(24px,3vw,32px);
  letter-spacing:.02em;color:var(--ink);
  transition:color .16s ease;
}
.footer__logo:hover{color:var(--cyan)}
.footer__summary{margin-top:12px;max-width:36ch;color:var(--muted);font-size:14px;line-height:1.75}
.footer__badge{
  display:inline-flex;align-items:center;gap:8px;margin-top:16px;
  padding:6px 12px;border-radius:999px;border:1px solid var(--rail);
  background:rgba(61,242,214,.07);color:var(--cyan);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
}
.footer__dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.footer__cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:20px}
.footer__col{min-width:0}
.footer__col-title{
  margin-bottom:12px;padding-bottom:8px;border-bottom:1px dashed rgba(34,51,92,.95);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--amber);
}
.footer__links{display:flex;flex-direction:column;gap:8px}
.footer__link{
  width:fit-content;color:var(--muted);font-size:14px;
  transition:color .16s ease,transform .16s ease;
}
.footer__link:hover{color:var(--cyan);transform:translateX(3px)}
.footer__contact{
  display:flex;flex-direction:column;gap:14px;
  padding:18px;border:1px solid var(--rail);border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(13,21,48,.92),rgba(6,10,24,.72));
}
.footer__contact-row{display:flex;flex-direction:column;gap:3px}
.footer__label{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:rgba(154,174,206,.85)}
.footer__value{color:var(--ink);font-size:14px;line-height:1.6}
.footer__value--mono{font-family:var(--font-mono);letter-spacing:.03em}
.footer__note{padding-top:12px;border-top:1px dashed rgba(34,51,92,.95);color:var(--muted);font-size:12px;line-height:1.65}
.footer__bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  margin-top:34px;padding-top:16px;border-top:1px solid var(--rail);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:rgba(154,174,206,.9);
}
.footer__legal{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.footer__region{padding:2px 8px;border:1px solid var(--rail);border-radius:6px;color:var(--cyan)}
.footer__icp{color:var(--muted)}
.footer__copy{color:var(--muted);font-variant-numeric:tabular-nums}

/* ===== 8. Shared page primitives ===== */
.page-head{position:relative;padding:clamp(26px,5vw,54px) 0 18px;border-bottom:1px solid var(--rail)}
.page-head__eyebrow{
  display:inline-block;font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--cyan);
}
.page-head__title{
  margin:12px 0 14px;
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(28px,4.4vw,52px);line-height:1.14;letter-spacing:-.01em;color:var(--ink);
}
.page-head__lede{max-width:62ch;color:var(--muted);font-size:16px}

.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
}
.breadcrumbs__item{display:inline-flex;align-items:center;gap:8px;margin:0}
.breadcrumbs__link{color:var(--muted);transition:color .16s ease}
.breadcrumbs__link:hover{color:var(--cyan)}
.breadcrumbs__sep{color:rgba(122,92,255,.75)}
.breadcrumbs__item[aria-current="page"]{color:var(--amber)}

.section{padding:clamp(30px,5vw,62px) 0}
.section--tight{padding:clamp(18px,3vw,30px) 0}
.section-head{margin-bottom:24px;padding-bottom:14px;border-bottom:1px dashed rgba(34,51,92,.95)}
.section-head__label{
  display:block;margin-bottom:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--violet);
}
.section-head__title{display:block;font-family:var(--font-head);font-weight:800;font-size:clamp(20px,2.8vw,28px);color:var(--ink)}
.section-head__desc{display:block;margin-top:8px;max-width:60ch;color:var(--muted);font-size:14px}

.grid{display:grid;gap:20px;grid-template-columns:minmax(0,1fr)}
.card{
  position:relative;padding:22px;border:1px solid var(--rail);border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(13,21,48,.96),rgba(9,14,32,.96));
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.card:hover{border-color:rgba(122,92,255,.65);box-shadow:0 18px 40px rgba(3,6,18,.55);transform:translateY(-2px)}
.card__label{display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan)}
.card__title{margin:10px 0 8px;font-family:var(--font-head);font-weight:700;font-size:19px;color:var(--ink)}
.card__text{color:var(--muted);font-size:14px}
.card__meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px;font-family:var(--font-mono);font-size:11px;color:var(--amber)}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:999px;border:1px solid var(--rail);
  background:rgba(13,21,48,.82);color:var(--muted);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;cursor:pointer;
  transition:border-color .16s ease,background .16s ease,color .16s ease,box-shadow .16s ease;
}
.chip:hover{border-color:rgba(61,242,214,.5);color:var(--ink)}
.chip.is-active,.chip[aria-pressed="true"]{
  border-color:var(--cyan);background:rgba(61,242,214,.16);color:var(--cyan);
  box-shadow:0 0 18px rgba(61,242,214,.22);
}

.glass-panel{
  padding:20px;border-radius:14px;border:1px solid rgba(122,92,255,.35);
  background:linear-gradient(180deg,rgba(122,92,255,.14),rgba(13,21,48,.64));
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}

.media-frame{
  position:relative;display:block;overflow:hidden;
  aspect-ratio:16/9;border:1px solid var(--rail);border-radius:var(--radius);
  background-image:
    radial-gradient(120% 120% at 12% 0%,rgba(122,92,255,.30),transparent 60%),
    radial-gradient(100% 100% at 100% 100%,rgba(61,242,214,.16),transparent 58%),
    linear-gradient(160deg,#0B1230,#060A18);
}
.media-frame>img,.media-frame>picture>img{display:block;width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:4/5}
.media-frame--square{aspect-ratio:1/1}
.media-frame__ticks{position:absolute;inset:12px;border:1px dashed rgba(61,242,214,.22);border-radius:8px;pointer-events:none}
.media-frame__caption{
  position:absolute;left:12px;right:12px;bottom:12px;
  padding:6px 10px;border:1px solid var(--rail);border-radius:8px;
  background:rgba(6,10,24,.74);color:var(--ink);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}

[data-reveal]{opacity:0;transform:translateY(6px);transition:opacity .2s ease,transform .2s ease}
[data-reveal].is-visible{opacity:1;transform:none}

/* ===== 9. Responsive ===== */
@media (min-width:560px){
  .topbar__link{display:inline-flex}
}
@media (min-width:640px){
  .container{padding-inline:24px}
  .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__brand{grid-column:1 / -1}
  .grid--2,.grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  body{padding-left:var(--rail-w)}
  .skip-link{left:calc(var(--rail-w) + 16px)}
  .brand-rail{
    position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);
    gap:24px;padding:28px 22px 22px;
    border-bottom:0;border-right:1px solid var(--rail);
    overflow-y:auto;
  }
  .nav-toggle{display:none}
  .rail-nav{display:flex}
  .rail-nav__link{grid-template-columns:38px 1fr;padding:10px 12px}
  .rail-actions{flex-direction:column;align-items:stretch}
  .rail-actions .btn{width:100%}
  .topbar{position:sticky;top:0;z-index:5}
  .topbar__inner{padding:12px 32px}
  .topbar__link{display:inline-flex}
  .site-header[data-scrolled] .topbar{
    background:rgba(6,10,24,.88);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    border-bottom-color:var(--rail);
    box-shadow:0 12px 32px rgba(3,6,18,.55);
  }
  .footer__grid{grid-template-columns:1.25fr 1.5fr 1.15fr;align-items:start}
  .footer__brand{grid-column:auto}
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (min-width:1280px){
  .topbar__inner{padding:12px 40px}
}

/* ===== 10. 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;
  }
  [data-reveal]{opacity:1;transform:none;transition:none}
  .read-progress__bar{transition:none}
}