:root{
  --ink:#071A2B;
  --ink-2:#0D2A42;
  --panel:#123A57;
  --paper:#F4F7F8;
  --paper-soft:rgba(244,247,248,.86);
  --mist:#A9BAC6;
  --red:#D92B27;
  --red-deep:#A91F1D;
  --mint:#35E6C2;
  --teal:#0F766E;
  --amber:#F2B84B;
  --line:rgba(169,186,198,.22);
  --line-strong:rgba(169,186,198,.42);
  --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:"IBM Plex Mono","JetBrains Mono","SFMono-Regular",ui-monospace,Menlo,Consolas,"Courier New",monospace;
  --shell:1240px;
  --gutter:clamp(18px,4vw,52px);
  --measure:40rem;
  --shadow-hard:8px 8px 0 rgba(0,0,0,.45);
  --shadow-hard-sm:5px 5px 0 rgba(0,0,0,.45);
  --ease:160ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:17px;
  font-weight:400;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,dl,dd,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
input,select,textarea{font:inherit}
h1,h2,h3,h4{font-weight:900;line-height:1.08;letter-spacing:.045em;color:var(--paper)}
h1{font-size:clamp(2.4rem,7vw,5.2rem)}
h2{font-size:clamp(1.8rem,4vw,3rem)}
h3{font-size:clamp(1.15rem,2vw,1.5rem);letter-spacing:.05em}
strong{font-weight:700}
::selection{background:var(--mint);color:#04202b}
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
.site-header:focus,
#main-content:focus{outline:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.skip-link{
  position:fixed;
  top:-96px;
  left:var(--gutter);
  z-index:200;
  display:inline-block;
  padding:.65rem 1rem;
  background:var(--mint);
  color:#04202b;
  font-family:var(--font-mono);
  font-size:.76rem;
  font-weight:600;
  letter-spacing:.14em;
  border:2px solid #04202b;
  box-shadow:var(--shadow-hard-sm);
  transition:top var(--ease);
}
.skip-link:focus{top:12px}
/* ---------- shared header ---------- */
.site-header{position:relative;z-index:90;background:var(--ink)}
.scroll-progress{
  position:fixed;
  top:0;left:0;right:0;
  height:3px;
  background:rgba(53,230,194,.14);
  z-index:120;
  pointer-events:none;
}
.scroll-progress > span{
  display:block;
  height:100%;
  background:var(--mint);
  transform:scaleX(var(--scroll,0));
  transform-origin:0 50%;
  transition:transform 90ms linear;
}
.header-signal{background:var(--ink);border-bottom:1px solid var(--line)}
.header-signal__inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:.35rem 1.5rem;
  padding-block:.55rem;
}
.header-signal__item{
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.18em;
  line-height:1.6;
  color:var(--mist);
  text-transform:uppercase;
}
.header-signal__item--brand{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  color:var(--paper);
  letter-spacing:.14em;
}
.header-signal__dot{
  width:7px;height:7px;
  background:var(--red);
  box-shadow:0 0 0 3px rgba(217,43,39,.22);
  flex:0 0 auto;
}
.header-signal__item--mono{color:var(--mint);letter-spacing:.26em}
.masthead{background:var(--ink);border-bottom:1px solid var(--line-strong)}
.masthead__grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
  align-items:center;
  gap:1rem;
  padding-block:clamp(1rem,2.4vw,1.8rem) clamp(.8rem,1.8vw,1.2rem);
}
.masthead__meta{
  display:flex;
  flex-direction:column;
  gap:.1rem;
  font-family:var(--font-mono);
  font-size:.66rem;
  line-height:1.9;
  letter-spacing:.24em;
  color:var(--mist);
}
.masthead__meta span{display:block}
.masthead__meta span::before{content:"/ ";color:var(--teal)}
.masthead__center{justify-self:center;text-align:center}
.masthead__brand{
  display:inline-block;
  white-space:nowrap;
  font-size:clamp(2.1rem,6.4vw,4.3rem);
  font-weight:900;
  line-height:1;
  letter-spacing:.18em;
  text-indent:.18em;
  color:var(--paper);
  box-shadow:inset 0 0 0 var(--red);
  transition:color var(--ease),box-shadow var(--ease);
}
.masthead__brand:hover,
.masthead__brand:focus-visible{
  color:var(--paper);
  box-shadow:inset 0 -3px 0 var(--red);
}
.masthead__tagline{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:.7rem;
  margin-top:.6rem;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.5em;
  text-indent:.5em;
  color:var(--mist);
}
.masthead__tagline::before,
.masthead__tagline::after{
  content:"";
  width:clamp(16px,6vw,52px);
  height:1px;
  background:var(--line-strong);
  flex:0 0 auto;
}
.masthead__utility{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:.3rem;
  justify-self:end;
}
.utility-link{
  padding:.15rem 0;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.18em;
  color:var(--mist);
  border-bottom:1px solid transparent;
  transition:color var(--ease),border-color var(--ease);
}
.utility-link:hover,
.utility-link:focus-visible{color:var(--mint);border-bottom-color:var(--mint)}
.utility-link--accent{color:var(--paper)}
.utility-link--accent::before{
  content:"■";
  margin-right:.5rem;
  font-size:.55em;
  vertical-align:2px;
  color:var(--red);
}
.nav-bar{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--panel);
  border-bottom:2px solid var(--ink);
  box-shadow:0 1px 0 rgba(169,186,198,.26);
}
.nav-bar__inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  grid-template-areas:"toggle nav mark";
  align-items:center;
}
.nav-toggle{
  grid-area:toggle;
  display:none;
  align-items:center;
  gap:.55rem;
  padding:.75rem .2rem;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.2em;
  color:var(--paper);
}
.nav-toggle__icon{display:inline-flex;flex-direction:column;gap:3px;width:18px;flex:0 0 auto}
.nav-toggle__icon i{display:block;height:2px;background:var(--mint);transition:transform var(--ease),opacity var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle__icon i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__icon i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__icon i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.nav-toggle__text{white-space:nowrap}
.primary-nav{grid-area:nav;display:block}
.primary-nav__list{display:flex;flex-wrap:wrap;justify-content:center;align-items:stretch}
.primary-nav__item{display:flex}
.primary-nav__link{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:.4rem;
  padding:.95rem clamp(.5rem,1.3vw,1.05rem);
  font-size:.94rem;
  font-weight:500;
  letter-spacing:.05em;
  color:var(--mist);
  transition:color var(--ease),background var(--ease),box-shadow var(--ease);
}
.primary-nav__link::after{
  content:"";
  position:absolute;
  left:50%;right:50%;
  bottom:0;
  height:3px;
  background:var(--red);
  transition:left var(--ease),right var(--ease);
}
.primary-nav__link:hover{color:var(--paper);background:rgba(7,26,43,.55)}
.primary-nav__link:hover::after{left:22%;right:22%}
.primary-nav__link[aria-current="page"]{
  color:var(--paper);
  background:rgba(217,43,39,.16);
  box-shadow:inset 0 -3px 0 var(--red);
}
.primary-nav__link[aria-current="page"]::after{display:none}
.primary-nav__index{
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.06em;
  color:rgba(53,230,194,.6);
  transition:color var(--ease);
}
.primary-nav__link:hover .primary-nav__index,
.primary-nav__link:focus-visible .primary-nav__index,
.primary-nav__link[aria-current="page"] .primary-nav__index{color:var(--mint)}
.nav-bar__mark{
  grid-area:mark;
  justify-self:end;
  display:inline-flex;
  align-items:baseline;
  gap:.45rem;
  font-family:var(--font-mono);
  font-size:.64rem;
  letter-spacing:.2em;
  color:rgba(169,186,198,.72);
}
.nav-bar__mark span{color:var(--amber);letter-spacing:.14em}
/* ---------- shared footer ---------- */
.site-footer{background:var(--ink-2);color:var(--mist);border-top:2px solid var(--ink)}
.footer-band{display:flex;height:10px}
.footer-band span{display:block;height:100%}
.footer-band span:nth-child(1){flex:0 0 44%;background:var(--red)}
.footer-band span:nth-child(2){flex:0 0 16%;background:var(--mint)}
.footer-band span:nth-child(3){flex:0 0 8%;background:var(--amber)}
.footer-band span:nth-child(4){flex:1 1 auto;background:var(--panel)}
.footer-main{
  display:grid;
  grid-template-columns:minmax(0,1.45fr) minmax(0,.85fr) minmax(0,.85fr) minmax(0,1.2fr);
  gap:clamp(1.6rem,3.2vw,3rem);
  padding-block:clamp(2.2rem,4.6vw,3.6rem);
}
.footer-brand__mark{
  font-size:clamp(1.5rem,3vw,2.1rem);
  font-weight:900;
  line-height:1.1;
  letter-spacing:.16em;
  color:var(--paper);
}
.footer-brand__line{
  margin-top:.75rem;
  max-width:22rem;
  font-size:.95rem;
  line-height:1.7;
  letter-spacing:.02em;
}
.footer-brand .btn{margin-top:1.25rem}
.footer-col__title{
  display:flex;
  align-items:center;
  gap:.6rem;
  padding-bottom:.7rem;
  border-bottom:1px solid var(--line-strong);
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.2em;
  color:var(--paper);
}
.footer-col__index{font-size:.66rem;letter-spacing:.06em;color:var(--mint)}
.footer-col__list{margin-top:.85rem;display:flex;flex-direction:column;gap:.1rem}
.footer-col__list a{
  display:inline-block;
  padding:.35rem 0;
  font-size:.94rem;
  color:var(--mist);
  border-bottom:1px solid transparent;
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.footer-col__list a:hover,
.footer-col__list a:focus-visible{color:var(--paper);border-bottom-color:var(--mint);transform:translateX(3px)}
.footer-contact__list{margin-top:.9rem;display:flex;flex-direction:column;gap:.8rem}
.footer-contact__row{display:flex;flex-direction:column;gap:.15rem}
.footer-contact__row dt{
  font-family:var(--font-mono);
  font-size:.64rem;
  letter-spacing:.2em;
  color:rgba(169,186,198,.75);
}
.footer-contact__row dd{
  margin:0;
  font-family:var(--font-mono);
  font-size:.9rem;
  letter-spacing:.02em;
  color:var(--paper);
  word-break:break-word;
}
.footer-contact__note{
  margin-top:1rem;
  padding-left:.75rem;
  border-left:2px solid var(--amber);
  font-size:.78rem;
  line-height:1.75;
  color:rgba(169,186,198,.82);
}
.footer-base{border-top:1px solid var(--line);background:var(--ink)}
.footer-base__inner{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:.5rem 1.5rem;
  padding-block:1.1rem;
}
.footer-base__legal,
.footer-base__note{
  font-family:var(--font-mono);
  font-size:.68rem;
  line-height:1.7;
  letter-spacing:.1em;
  color:rgba(169,186,198,.72);
}
.footer-base__note{color:rgba(53,230,194,.7);letter-spacing:.18em}
.to-top{
  position:fixed;
  right:clamp(14px,2.6vw,30px);
  bottom:clamp(14px,2.6vw,30px);
  z-index:110;
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding:.65rem .8rem;
  background:var(--red);
  color:#fff;
  border:2px solid #fff;
  box-shadow:var(--shadow-hard-sm);
  font-family:var(--font-mono);
  font-size:.68rem;
  font-weight:600;
  letter-spacing:.16em;
  visibility:hidden;
  opacity:0;
  transform:translateY(14px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease),background var(--ease),box-shadow var(--ease);
}
.to-top[data-visible="true"]{visibility:visible;opacity:1;transform:none}
.to-top:hover{background:var(--red-deep);box-shadow:7px 7px 0 rgba(0,0,0,.5)}
.to-top__text{letter-spacing:.16em}
/* ---------- generic components ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  padding:.85rem 1.5rem;
  border:2px solid transparent;
  border-radius:2px;
  font-size:.95rem;
  font-weight:700;
  letter-spacing:.06em;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn--primary{
  background:var(--red);
  color:#fff;
  box-shadow:var(--shadow-hard-sm);
}
.btn--primary:hover,
.btn--primary:focus-visible{background:var(--red-deep);transform:translate(-1px,-1px);box-shadow:7px 7px 0 rgba(0,0,0,.5)}
.btn--primary:active{transform:translate(2px,2px);box-shadow:2px 2px 0 rgba(0,0,0,.5)}
.btn--ghost{
  border-color:var(--line-strong);
  color:var(--paper);
}
.btn--ghost:hover,
.btn--ghost:focus-visible{border-color:var(--mint);color:var(--mint)}
.btn--mono{
  font-family:var(--font-mono);
  font-size:.76rem;
  letter-spacing:.18em;
  text-transform:uppercase;
}
.breadcrumb{
  padding-block:1rem;
  border-bottom:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.14em;
  color:var(--mist);
}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem}
.breadcrumb__item{display:inline-flex;align-items:center;gap:.5rem}
.breadcrumb__item + .breadcrumb__item::before{content:"/";color:var(--teal)}
.breadcrumb__link{
  color:var(--mist);
  border-bottom:1px solid transparent;
  transition:color var(--ease),border-color var(--ease);
}
.breadcrumb__link:hover,
.breadcrumb__link:focus-visible{color:var(--mint);border-bottom-color:var(--mint)}
.breadcrumb__item[aria-current="page"]{color:var(--paper)}
.prose{
  max-width:var(--measure);
  font-size:1rem;
  line-height:1.85;
  color:var(--paper-soft);
}
.prose > * + *{margin-top:1.1em}
.prose h2,
.prose h3{margin-top:1.9em;color:var(--paper)}
.prose h2{font-size:clamp(1.5rem,2.6vw,2rem)}
.prose ul,
.prose ol{display:flex;flex-direction:column;gap:.5em}
.prose li{position:relative;padding-left:1.4em}
.prose li::before{
  content:"";
  position:absolute;
  left:0;
  top:.78em;
  width:8px;
  height:2px;
  background:var(--red);
}
.prose a{
  color:var(--mint);
  border-bottom:1px solid rgba(53,230,194,.45);
  transition:color var(--ease),border-color var(--ease);
}
.prose a:hover,
.prose a:focus-visible{color:var(--paper);border-bottom-color:var(--red)}
.prose strong{color:var(--paper);font-weight:700}
.prose blockquote{
  padding:.9rem 1.1rem;
  border-left:3px solid var(--mint);
  background:rgba(53,230,194,.06);
  color:var(--paper);
}
.prose code{
  font-family:var(--font-mono);
  font-size:.9em;
  color:var(--amber);
}
.section{padding-block:clamp(2.4rem,5.5vw,4.5rem)}
.section--tight{padding-block:clamp(1.6rem,3.4vw,2.6rem)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.7rem;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--mint);
}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--red);flex:0 0 auto}
.index-tag{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:2.6rem;
  padding:.28rem .55rem;
  background:var(--mint);
  color:#04202b;
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.1em;
  box-shadow:3px 3px 0 rgba(0,0,0,.35);
}
.rule-band{display:block;height:10px;background:var(--panel)}
.rule-band--red{background:var(--red)}
.rule-band--mint{background:var(--mint)}
.rule-band--amber{background:var(--amber)}
.rule-band--split{background:linear-gradient(90deg,var(--red) 0 42%,var(--mint) 42% 58%,var(--amber) 58% 66%,var(--panel) 66% 100%)}
.card{
  position:relative;
  padding:clamp(1.15rem,2.2vw,1.9rem);
  background:var(--panel);
  border:2px solid var(--line-strong);
  box-shadow:var(--shadow-hard);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.card--interactive:hover,
.card--interactive:focus-within{
  transform:translateY(-3px);
  border-color:var(--mint);
  box-shadow:10px 11px 0 rgba(0,0,0,.5);
}
.card--flat{box-shadow:none;background:var(--ink-2);border-color:var(--line)}
.card__title{font-size:clamp(1.1rem,1.9vw,1.35rem);font-weight:900;line-height:1.3;letter-spacing:.05em;color:var(--paper)}
.card__meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.5rem;
  margin-bottom:.7rem;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.16em;
  color:var(--amber);
}
.media-frame{
  position:relative;
  overflow:hidden;
  background:var(--ink-2);
  border:2px solid var(--line-strong);
  box-shadow:var(--shadow-hard);
}
.media-frame > img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame__placeholder{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  padding:1rem;
  background:repeating-linear-gradient(135deg,rgba(18,58,87,.92) 0 12px,rgba(13,42,66,.92) 12px 24px);
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.24em;
  text-align:center;
  color:rgba(169,186,198,.85);
}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--4x5{aspect-ratio:4/5}
.media-frame--1x1{aspect-ratio:1/1}
.media-frame--cut{clip-path:polygon(0 0,100% 0,100% 90%,0 100%)}
.media-frame__caption{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:2;
  padding:.65rem .8rem;
  background:rgba(7,26,43,.86);
  border-top:2px solid var(--mint);
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.14em;
  color:var(--paper);
}
.data-figure{
  font-family:var(--font-mono);
  font-size:clamp(1.8rem,4vw,3.4rem);
  font-weight:600;
  line-height:1;
  color:var(--mint);
}
.data-figure__unit{margin-left:.3em;font-size:.36em;letter-spacing:.1em;color:var(--mist)}
.data-label{
  display:block;
  margin-top:.5rem;
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.2em;
  color:var(--mist);
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding:.22rem .55rem;
  border:1px solid var(--line-strong);
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.14em;
  color:var(--mist);
}
.tag--live{border-color:var(--red);background:var(--red);color:#fff}
.tag--data{border-color:var(--teal);color:var(--mint)}
.tag--amber{border-color:var(--amber);color:var(--amber)}
.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--split{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding-bottom:.2rem;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.16em;
  color:var(--mint);
  border-bottom:1px solid rgba(53,230,194,.45);
  transition:color var(--ease),border-color var(--ease);
}
.text-link::after{content:"→";transition:transform var(--ease)}
.text-link:hover,
.text-link:focus-visible{color:var(--paper);border-bottom-color:var(--red)}
.text-link:hover::after,
.text-link:focus-visible::after{transform:translateX(3px)}
/* ---------- responsive ---------- */
@media (max-width:1099px){
  .footer-main{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:899px){
  body{font-size:16px}
  .nav-toggle{display:inline-flex}
  .nav-bar__inner{
    grid-template-columns:1fr auto;
    grid-template-areas:"toggle mark" "nav nav";
  }
  .primary-nav{display:none;width:100%}
  .primary-nav[data-open="true"]{
    display:block;
    border-top:1px solid var(--line);
    background:var(--ink-2);
    max-height:calc(100vh - 3.4rem);
    overflow:auto;
  }
  .primary-nav__list{flex-direction:column;padding-block:.35rem}
  .primary-nav__item{width:100%;display:block}
  .primary-nav__link{
    width:100%;
    gap:.8rem;
    padding:.95rem .9rem;
    font-size:1rem;
    border-bottom:1px solid var(--line);
  }
  .primary-nav__link::after{display:none}
  .primary-nav__link:hover{background:rgba(7,26,43,.5)}
  .primary-nav__link[aria-current="page"]{
    box-shadow:inset 3px 0 0 var(--red);
    background:rgba(217,43,39,.14);
  }
  .masthead__grid{grid-template-columns:1fr;justify-items:center;gap:.6rem}
  .masthead__meta,
  .masthead__utility{display:none}
  .grid--split{grid-template-columns:1fr}
}
@media (min-width:640px) and (max-width:899px){
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:639px){
  .header-signal__item--mono{display:none}
  .header-signal__inner{justify-content:flex-start}
  .grid--2,
  .grid--3{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr}
  .footer-base__inner{flex-direction:column}
  .to-top{right:14px;bottom:14px}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    transition-duration:.01ms !important;
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
  }
  .scroll-progress > span{transition:none}
}