:root{
  --ink-900:#0B1F1A;
  --field-600:#12483B;
  --field-500:#0F5C48;
  --cyan-400:#35F0D0;
  --cyan-200:#9BF7E6;
  --orange-500:#FF6B2C;
  --red-500:#E4324A;
  --gray-050:#F2F5F4;
  --gray-300:#C9D3D0;
  --text-900:#16211E;
  --text-muted:#4A5A55;
  --glass-line:rgba(155,247,230,.28);
  --radius:16px;
  --radius-sm:10px;
  --shell:1220px;
  --gutter:clamp(16px,4vw,40px);
  --shadow-1:0 26px 52px -38px rgba(11,31,26,.75);
  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-editorial:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --ease: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(--gray-050);
  color:var(--text-900);
  font-family:var(--font-display);
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
@media (max-width:600px){body{font-size:16px;line-height:1.7}}
h1,h2,h3,h4,h5,p,figure{margin:0}
ul,ol{margin:0;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;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--cyan-400);outline-offset:3px;border-radius:6px}
.site-footer :focus-visible{outline-color:var(--cyan-200)}
.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}
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;left:16px;top:-80px;z-index:200;
  padding:12px 20px;border-radius:0 0 14px 14px;
  background:var(--cyan-400);color:var(--ink-900);
  font-weight:900;font-size:14px;letter-spacing:.02em;
  box-shadow:0 14px 30px -18px rgba(11,31,26,.9);
  transition:top .18s var(--ease);
}
.skip-link:focus{top:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  color:#EAF6F2;
  background:var(--ink-900);
  background-image:radial-gradient(120% 160% at 88% -40%,rgba(53,240,208,.18),transparent 62%);
  border-bottom:1px solid rgba(155,247,230,.12);
}
.header-top{border-bottom:1px solid rgba(155,247,230,.14)}
.header-top__inner{
  display:flex;align-items:center;gap:clamp(12px,2vw,26px);
  min-height:66px;padding-block:9px;
}
.brand{display:inline-flex;align-items:center;gap:12px;flex:none;color:#F1FCF8}
.brand__mark{
  position:relative;flex:none;width:42px;height:42px;border-radius:12px;
  background:linear-gradient(155deg,var(--field-500),#06201A 80%);
  border:1px solid rgba(155,247,230,.45);overflow:hidden;
  box-shadow:inset 0 0 20px rgba(53,240,208,.26),0 10px 22px -16px rgba(53,240,208,.9);
}
.brand__mark::before{
  content:"";position:absolute;left:-34%;top:40%;width:176%;height:4px;
  background:var(--cyan-400);transform:rotate(-34deg);
  box-shadow:0 0 12px rgba(53,240,208,.95);
}
.brand__mark::after{
  content:"";position:absolute;right:6px;bottom:6px;width:7px;height:7px;border-radius:50%;
  background:var(--orange-500);box-shadow:0 0 10px rgba(255,107,44,.9);
}
.brand__text{display:flex;flex-direction:column;line-height:1.16}
.brand__name{font-size:1.14rem;font-weight:900;letter-spacing:-.01em}
.brand__tagline{font-size:11.5px;letter-spacing:.05em;color:rgba(155,247,230,.72);margin-top:3px}
.header-strip{
  display:inline-flex;align-items:center;gap:9px;
  margin-inline:auto;padding:7px 15px;border-radius:999px;
  border:1px solid var(--glass-line);
  background:rgba(53,240,208,.07);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.04em;
  color:var(--cyan-200);white-space:nowrap;
}
.header-strip__dot{
  width:7px;height:7px;border-radius:50%;background:var(--cyan-400);flex:none;
  box-shadow:0 0 0 0 rgba(53,240,208,.55);
  animation:stripPulse 2.6s var(--ease) infinite;
}
.header-strip__text{display:block}
@keyframes stripPulse{
  0%{box-shadow:0 0 0 0 rgba(53,240,208,.5)}
  70%{box-shadow:0 0 0 9px rgba(53,240,208,0)}
  100%{box-shadow:0 0 0 0 rgba(53,240,208,0)}
}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;border:1px solid transparent;
  font-family:var(--font-display);font-size:14px;font-weight:800;letter-spacing:.02em;
  line-height:1.2;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn--sm{padding:9px 15px;font-size:13px}
.btn--primary{background:var(--orange-500);color:#1B0B03;box-shadow:0 12px 26px -16px rgba(255,107,44,.95)}
.btn--primary:hover{background:#FF8248;transform:translateY(-1px)}
.btn--ghost{border-color:rgba(155,247,230,.42);background:rgba(53,240,208,.07);color:var(--cyan-200)}
.btn--ghost:hover{background:rgba(53,240,208,.18);color:#F0FFFB;transform:translateY(-1px)}
.btn--outline{border-color:var(--field-500);color:var(--field-600);background:transparent}
.btn--outline:hover{background:rgba(15,92,72,.08)}
.btn--quiet{background:var(--field-500);color:#F0FFF9;box-shadow:0 14px 28px -20px rgba(15,92,72,.95)}
.btn--quiet:hover{background:var(--field-600);transform:translateY(-1px)}

/* ---------- nav tier ---------- */
.header-nav{
  position:relative;
  background:linear-gradient(96deg,var(--field-600),var(--field-500) 68%,#0C3C31);
  border-bottom:1px solid rgba(155,247,230,.16);
}
.header-nav__inner{display:flex;align-items:center;gap:14px;min-height:54px}
.nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:9px 14px;border-radius:12px;
  border:1px solid rgba(155,247,230,.38);background:rgba(11,31,26,.55);
  color:var(--cyan-200);font-size:13.5px;font-weight:800;letter-spacing:.06em;
}
.nav-toggle__bars{display:flex;flex-direction:column;gap:4px;width:18px}
.nav-toggle__bars i{display:block;height:2px;border-radius:2px;background:currentColor;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-toggle__label{display:block}
.primary-nav{flex:1 1 auto;min-width:0;counter-reset:nav}
.primary-nav__list{display:flex;align-items:center;flex-wrap:wrap;gap:2px clamp(2px,0.9vw,14px)}
.primary-nav__item{display:flex}
.primary-nav__link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:15px 9px;font-size:14.5px;font-weight:700;letter-spacing:.01em;
  color:rgba(234,246,242,.84);
  transition:color .16s var(--ease),background-color .16s var(--ease);
}
.primary-nav__link::before{
  counter-increment:nav;content:counter(nav,decimal-leading-zero);
  font-family:var(--font-mono);font-size:10px;font-weight:700;letter-spacing:.06em;
  color:rgba(53,240,208,.6);transform:translateY(-1px);
}
.primary-nav__link::after{
  content:"";position:absolute;left:9px;right:9px;bottom:7px;height:2px;border-radius:2px;
  background:var(--cyan-400);box-shadow:0 0 10px rgba(53,240,208,.9);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.primary-nav__link:hover{color:#FFFFFF}
.primary-nav__link:hover::after{transform:scaleX(1)}
.primary-nav__link[aria-current="page"]{color:#FFFFFF}
.primary-nav__link[aria-current="page"]::before{color:var(--orange-500)}
.primary-nav__link[aria-current="page"]::after{transform:scaleX(1)}
.header-nav__meta{
  display:flex;align-items:center;gap:8px;flex:none;
  padding-left:16px;border-left:1px solid rgba(155,247,230,.24);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  color:rgba(155,247,230,.74);white-space:nowrap;
}
.header-nav__code{color:var(--orange-500);font-size:12px;letter-spacing:.1em}
.scroll-progress{position:absolute;left:0;right:0;bottom:0;height:2px;background:rgba(155,247,230,.16);pointer-events:none}
.scroll-progress__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--cyan-400),var(--orange-500));
  box-shadow:0 0 14px rgba(53,240,208,.8);
  transition:width .12s linear;
}

/* ---------- typography & page primitives ---------- */
.display{font-family:var(--font-display);font-weight:900;letter-spacing:-.02em;line-height:1.06;font-size:clamp(2.4rem,6.4vw,4.6rem)}
.section-title{font-family:var(--font-display);font-weight:900;letter-spacing:-.02em;line-height:1.12;font-size:clamp(1.55rem,3.2vw,2.35rem)}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;
  color:var(--field-500);
}
.kicker::before{content:"";width:26px;height:2px;background:var(--orange-500)}
.serif-lede{
  font-family:var(--font-editorial);font-weight:600;
  font-size:clamp(1.04rem,1.7vw,1.28rem);line-height:1.65;color:var(--field-600);
}
.chapter-num{
  display:block;font-family:var(--font-mono);font-weight:700;line-height:.9;
  font-size:clamp(48px,8vw,88px);letter-spacing:-.05em;
  color:transparent;-webkit-text-stroke:1.5px rgba(18,72,59,.34);
}
.panel--ink .chapter-num,.panel--field .chapter-num{-webkit-text-stroke-color:rgba(155,247,230,.42)}
.prose{max-width:68ch;font-size:17px;line-height:1.78;color:#22312C}
.prose>*+*{margin-top:1em}
.prose h2{font-size:1.25rem;font-weight:900;letter-spacing:-.01em;color:var(--text-900);margin-top:1.6em}
.prose h3{font-size:1.05rem;font-weight:800;color:var(--field-600);margin-top:1.4em}
.prose a{color:var(--field-500);border-bottom:1px solid rgba(15,92,72,.4)}
.prose ul,.prose ol{padding-left:1.15em;list-style:disc}
.prose li+li{margin-top:.4em}
.prose strong{font-weight:800;color:var(--text-900)}

/* ---------- sections & panels ---------- */
.section{padding-block:clamp(40px,6vw,80px)}
.section--tight{padding-block:clamp(26px,4vw,48px)}
.divider{height:1px;border:0;margin:0;background:linear-gradient(90deg,var(--gray-300),rgba(201,211,208,0))}
.panel{
  position:relative;padding:clamp(20px,3vw,36px);
  background:#FFFFFF;border:1px solid var(--gray-300);border-radius:var(--radius);
  box-shadow:var(--shadow-1);
}
.panel--field{background:var(--field-600);border-color:transparent;color:#E7F4EF}
.panel--ink{background:var(--ink-900);border-color:rgba(155,247,230,.2);color:#DCEBE6}
.panel--glass{
  background:rgba(255,255,255,.72);
  border-color:rgba(201,211,208,.9);
  backdrop-filter:blur(10px) saturate(120%);
  -webkit-backdrop-filter:blur(10px) saturate(120%);
}
.panel--glass-dark{
  background:rgba(11,31,26,.62);
  border-color:rgba(155,247,230,.24);
  color:#DCEBE6;
  backdrop-filter:blur(10px) saturate(120%);
  -webkit-backdrop-filter:blur(10px) saturate(120%);
}

/* ---------- grids ---------- */
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.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(0,7fr) minmax(0,4fr)}
.stack>*+*{margin-top:clamp(14px,2vw,22px)}
@media (max-width:960px){
  .grid--2,.grid--3,.grid--split{grid-template-columns:minmax(0,1fr)}
}

/* ---------- chips & stats ---------- */
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;
  border:1px solid var(--gray-300);background:#FFFFFF;
  font-family:var(--font-mono);font-size:12px;font-weight:700;color:var(--field-600);
}
.chip--live{border-color:rgba(228,50,74,.42);background:rgba(228,50,74,.09);color:#B02234}
.chip--cyan{border-color:rgba(53,240,208,.5);background:rgba(53,240,208,.16);color:var(--field-600)}
.stat{display:flex;flex-direction:column;gap:4px}
.stat__value{font-family:var(--font-mono);font-weight:700;letter-spacing:-.02em;font-size:clamp(1.35rem,2.6vw,1.95rem);color:var(--field-600)}
.stat__label{font-size:13px;color:var(--text-muted)}
.panel--ink .stat__value,.panel--field .stat__value{color:var(--cyan-400)}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding-block:18px}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb__item{display:inline-flex;align-items:center;font-family:var(--font-mono);font-size:12.5px;color:var(--text-muted)}
.breadcrumb__item+.breadcrumb__item::before{content:"/";margin-right:8px;color:var(--gray-300)}
.breadcrumb__link{color:var(--field-500);border-bottom:1px solid transparent}
.breadcrumb__link:hover{border-bottom-color:currentColor}
.breadcrumb__current{color:var(--text-900);font-weight:700}

/* ---------- media frames ---------- */
.media-frame{
  position:relative;overflow:hidden;border-radius:var(--radius);
  border:1px solid rgba(18,72,59,.16);
  background:linear-gradient(146deg,var(--field-600),var(--ink-900) 62%,#06110E);
  box-shadow:var(--shadow-1);
  isolation:isolate;
}
.media-frame::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:repeating-linear-gradient(118deg,rgba(155,247,230,.09) 0 1px,transparent 1px 30px);
}
.media-frame img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame--slant{clip-path:polygon(0 0,100% 0,100% 91%,0 100%);border-radius:var(--radius) var(--radius) 0 0}
.media-frame__badge{
  position:absolute;z-index:2;left:14px;top:14px;
  display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;
  background:rgba(11,31,26,.72);border:1px solid rgba(155,247,230,.32);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--cyan-200);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.media-frame__caption{
  position:absolute;z-index:2;left:0;right:0;bottom:0;
  padding:clamp(14px,2vw,22px);
  background:linear-gradient(to top,rgba(6,17,14,.92),rgba(6,17,14,0));
  color:#EAF6F2;font-size:13.5px;line-height:1.6;
}
@media (max-width:600px){
  .media-frame--tall{aspect-ratio:4/5}
}

/* ---------- footer ---------- */
.site-footer{
  position:relative;overflow:hidden;margin-top:clamp(44px,7vw,96px);
  background:var(--ink-900);color:#D8E9E3;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(72% 62% at 10% 0%,rgba(53,240,208,.14),transparent 68%),
    radial-gradient(60% 70% at 92% 100%,rgba(255,107,44,.1),transparent 70%),
    repeating-linear-gradient(115deg,rgba(155,247,230,.05) 0 1px,transparent 1px 28px);
}
.footer-accent{
  position:relative;z-index:2;height:4px;
  background:linear-gradient(90deg,var(--cyan-400),var(--field-500) 44%,var(--orange-500));
}
.footer-shell{position:relative;z-index:1;padding-block:clamp(34px,5.5vw,62px) 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,minmax(0,1fr));gap:clamp(24px,3vw,44px)}
.footer-brand__link{display:inline-flex;align-items:center;gap:12px;color:#F1FCF8;font-weight:900;font-size:1.12rem;letter-spacing:-.01em}
.footer-brand__mark{
  position:relative;flex:none;width:36px;height:36px;border-radius:11px;
  background:linear-gradient(152deg,var(--field-500),#061E19 82%);
  border:1px solid rgba(155,247,230,.46);overflow:hidden;
  box-shadow:inset 0 0 16px rgba(53,240,208,.24);
}
.footer-brand__mark::before{
  content:"";position:absolute;left:-34%;top:40%;width:176%;height:3px;
  background:var(--cyan-400);transform:rotate(-34deg);box-shadow:0 0 10px rgba(53,240,208,.9);
}
.footer-brand__mark::after{
  content:"";position:absolute;right:5px;bottom:5px;width:6px;height:6px;border-radius:50%;background:var(--orange-500);
}
.footer-brand__name{display:block}
.footer-brand__line{
  margin-top:16px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.07em;color:var(--cyan-200);
}
.footer-brand__summary{margin-top:10px;max-width:34ch;font-size:14px;line-height:1.72;color:rgba(216,233,227,.72)}
.footer-brand__meta{
  margin-top:16px;display:flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:rgba(216,233,227,.55);
}
.footer-brand__code{color:var(--orange-500);font-size:11.5px;letter-spacing:.1em}
.footer-col__title{
  display:flex;align-items:baseline;gap:9px;margin-bottom:14px;padding-bottom:12px;
  border-bottom:1px solid rgba(155,247,230,.2);
  font-size:13px;font-weight:800;letter-spacing:.14em;color:#FFFFFF;
}
.footer-col__index{font-family:var(--font-mono);font-size:11px;color:var(--cyan-400);letter-spacing:.06em}
.footer-col__list{display:grid;gap:10px}
.footer-col__link{
  display:inline-block;font-size:14px;color:rgba(216,233,227,.78);
  transition:color .16s var(--ease),transform .16s var(--ease);
}
.footer-col__link:hover{color:var(--cyan-400);transform:translateX(3px)}
.footer-contact{
  margin-top:clamp(28px,4vw,46px);
  display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));
  gap:18px clamp(18px,3vw,36px);
  padding:clamp(20px,3vw,30px);
  border:1px solid rgba(155,247,230,.24);border-radius:var(--radius);
  background:rgba(53,240,208,.06);
  backdrop-filter:blur(8px) saturate(120%);
  -webkit-backdrop-filter:blur(8px) saturate(120%);
}
.footer-contact__title{
  grid-column:1/-1;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.18em;
  color:var(--cyan-200);font-weight:700;
}
.footer-contact__item{display:flex;flex-direction:column;gap:5px}
.footer-contact__label{font-size:11.5px;letter-spacing:.12em;color:rgba(216,233,227,.55);font-family:var(--font-mono)}
.footer-contact__value{font-size:14.5px;line-height:1.65;color:#EAF6F2;word-break:break-word}
.footer-contact__note{
  grid-column:1/-1;font-size:12.5px;line-height:1.7;color:rgba(216,233,227,.6);
  padding-top:14px;border-top:1px dashed rgba(155,247,230,.22);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 26px;
  margin-top:clamp(26px,4vw,42px);padding-top:20px;
  border-top:1px solid rgba(155,247,230,.16);
  font-size:12.5px;color:rgba(216,233,227,.6);
}
.footer-copy{margin:0}
.footer-legal{margin:0;font-family:var(--font-mono);letter-spacing:.04em}
.to-top{
  margin-left:auto;display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:999px;
  border:1px solid rgba(155,247,230,.32);color:var(--cyan-200);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  transition:background-color .16s var(--ease),color .16s var(--ease),transform .16s var(--ease);
}
.to-top:hover{background:rgba(53,240,208,.16);color:#FFFFFF;transform:translateY(-1px)}

/* ---------- reveal ---------- */
.has-js [data-reveal]{
  opacity:0;transform:translateY(18px);
  transition:opacity .55s var(--ease),transform .55s var(--ease);
  will-change:opacity,transform;
}
.has-js [data-reveal].is-revealed{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1.4fr repeat(3,minmax(0,1fr));gap:clamp(20px,2.6vw,32px)}
}
@media (max-width:960px){
  .nav-toggle{display:inline-flex}
  .header-nav__meta{display:none}
  .primary-nav{
    position:absolute;left:0;right:0;top:100%;z-index:5;
    display:none;
    padding:10px var(--gutter) 18px;
    background:var(--ink-900);
    border-top:1px solid rgba(155,247,230,.2);
    border-bottom:1px solid rgba(155,247,230,.24);
    box-shadow:0 30px 46px -30px rgba(0,0,0,.9);
    max-height:calc(100vh - 108px);overflow:auto;
  }
  .primary-nav[data-open]{display:block;animation:navDrop .22s var(--ease) both}
  .primary-nav__list{flex-direction:column;align-items:stretch;gap:2px}
  .primary-nav__link{padding:14px 12px;border-radius:10px;font-size:16px}
  .primary-nav__link::after{display:none}
  .primary-nav__link:hover{background:rgba(53,240,208,.1)}
  .primary-nav__link[aria-current="page"]{background:rgba(53,240,208,.14);color:var(--cyan-200)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1/-1}
}
@keyframes navDrop{
  from{opacity:0;transform:translateY(-8px)}
  to{opacity:1;transform:none}
}
@media (max-width:860px){
  .header-strip{display:none}
  .header-top__inner{min-height:60px}
}
@media (max-width:640px){
  .brand__tagline{display:none}
  .brand__mark{width:38px;height:38px}
  .header-actions{gap:8px}
  .btn--sm{padding:9px 13px;font-size:12.5px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{gap:10px 18px}
  .to-top{margin-left:0}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .has-js [data-reveal]{opacity:1 !important;transform:none !important}
  .scroll-progress__bar{transition:none}
}