/* ============================================================
   诺亚体育 · /assets/site.css
   共享外壳：reset / tokens / 排版 / 头部 / 页脚 / 基础组件
   ============================================================ */

/* ---------- 01. design tokens ---------- */
:root{
  --ink:#07110D;
  --deep:#0C2B21;
  --pitch:#164A35;
  --lime:#C8FF3D;
  --cyan:#43E0B3;
  --mist:#F2F7F0;
  --stone:#A9B7AE;
  --line:#395247;
  --red:#FF5A57;
  --yellow:#F4C542;

  --line-soft:rgba(57,82,71,.62);
  --line-faint:rgba(57,82,71,.34);
  --lime-soft:rgba(200,255,61,.14);
  --cyan-soft:rgba(67,224,179,.12);
  --stone-soft:rgba(169,183,174,.62);

  --shell:1240px;
  --gutter:clamp(16px,4vw,56px);
  --radius:3px;

  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"Barlow Condensed","DIN Alternate",ui-monospace,"SFMono-Regular","Roboto Mono",Menlo,monospace;

  --ease:cubic-bezier(.22,.61,.36,1);
  --t-fast:160ms;
  --t-mid:240ms;
}

/* ---------- 02. reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
  scroll-behavior:smooth;
}
body{
  margin:0;
  background:var(--ink);
  color:var(--mist);
  font-family:var(--font-sans);
  font-size:16px;
  font-weight:400;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img,svg{max-width:100%;}
img{border-style:none;}
main{display:block;}
ul,ol,dl{margin:0;padding:0;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;}
hr{border:0;}

/* ---------- 03. typography ---------- */
h1,h2,h3,h4{
  margin:0;
  color:var(--mist);
  font-weight:800;
  line-height:1.1;
  letter-spacing:-.02em;
}
h1{font-size:clamp(40px,6.4vw,104px);line-height:1.02;}
h2{font-size:clamp(26px,4.2vw,52px);line-height:1.08;}
h3{font-size:clamp(19px,2.3vw,28px);line-height:1.2;}
h4{font-size:clamp(16px,1.6vw,19px);line-height:1.3;}
strong,b{font-weight:700;color:var(--mist);}
small{font-size:12.5px;color:var(--stone);}

/* ---------- 04. focus ---------- */
:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:2px;
}
:focus:not(:focus-visible){outline:none;}

/* ---------- 05. utilities ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(40px,7vw,96px);}
.section--tight{padding-block:clamp(26px,4vw,56px);}
.mono{font-family:var(--font-mono);letter-spacing:.12em;}
.measure{max-width:62ch;}
.lede{
  max-width:56ch;
  margin:0 0 1em;
  color:var(--stone);
  font-size:clamp(15.5px,1.5vw,18px);
  line-height:1.78;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin:0 0 18px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--cyan);
}
.eyebrow::before{
  content:"";
  width:28px;
  height:1px;
  background:var(--lime);
  box-shadow:0 0 8px var(--lime-soft);
}
.rule{
  height:1px;
  margin:clamp(26px,4.5vw,56px) 0;
  background:linear-gradient(90deg,var(--line-soft),var(--line-faint) 60%,transparent);
}

/* ---------- 06. buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border:1px solid var(--line);
  border-radius:999px;
  background:transparent;
  color:var(--mist);
  font-family:var(--font-sans);
  font-size:14px;
  font-weight:600;
  letter-spacing:.04em;
  line-height:1.2;
  cursor:pointer;
  transition:background var(--t-fast) var(--ease),
             color var(--t-fast) var(--ease),
             border-color var(--t-fast) var(--ease),
             transform var(--t-fast) var(--ease);
}
.btn:hover{transform:translateY(-1px);}
.btn--lime{
  background:var(--lime);
  border-color:var(--lime);
  color:#0A1A12;
  box-shadow:0 10px 30px -18px var(--lime);
}
.btn--lime:hover{
  background:#DCFF7C;
  border-color:#DCFF7C;
  color:#07110D;
}
.btn--ghost{
  border-color:var(--line);
  color:var(--stone);
}
.btn--ghost:hover{
  border-color:var(--lime);
  color:var(--lime);
  background:var(--lime-soft);
}
.btn--block{width:100%;}

/* ---------- 07. tags ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border:1px solid var(--line-soft);
  border-radius:999px;
  background:rgba(12,43,33,.6);
  color:var(--stone);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  white-space:nowrap;
}
.tag--lime{border-color:var(--lime);background:var(--lime);color:#0A1A12;}
.tag--cyan{border-color:rgba(67,224,179,.5);background:var(--cyan-soft);color:var(--cyan);}
.tag--yellow{border-color:rgba(244,197,66,.55);background:rgba(244,197,66,.1);color:var(--yellow);}
.tag--red{border-color:rgba(255,90,87,.55);background:rgba(255,90,87,.1);color:var(--red);}

/* ---------- 08. breadcrumb ---------- */
.breadcrumb{margin:0 0 clamp(16px,3vw,28px);}
.breadcrumb-list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  list-style:none;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.12em;
  color:var(--stone-soft);
}
.breadcrumb-list li{display:flex;align-items:center;gap:8px;}
.breadcrumb-list li + li::before{content:"/";color:var(--line);}
.breadcrumb a{
  color:var(--stone);
  border-bottom:1px solid transparent;
  transition:color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.breadcrumb a:hover{color:var(--lime);border-bottom-color:var(--lime);}

/* ---------- 09. grid ---------- */
.grid-12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(16px,2.4vw,32px);
}
.span-4{grid-column:span 4;}
.span-5{grid-column:span 5;}
.span-6{grid-column:span 6;}
.span-7{grid-column:span 7;}
.span-8{grid-column:span 8;}
.span-9{grid-column:span 9;}
.span-12{grid-column:span 12;}

/* ---------- 10. media frame ---------- */
.media-frame{
  position:relative;
  margin:0;
  overflow:hidden;
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  aspect-ratio:16 / 10;
  background:
    radial-gradient(120% 90% at 18% 0%,rgba(67,224,179,.20),transparent 58%),
    radial-gradient(90% 76% at 92% 100%,rgba(200,255,61,.16),transparent 62%),
    linear-gradient(158deg,var(--pitch),var(--ink) 82%);
  box-shadow:inset 0 0 0 1px rgba(7,17,13,.4),0 24px 60px -46px #000;
}
.media-frame img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(7,17,13,0) 46%,rgba(7,17,13,.74) 100%);
}
.media-frame--wide{aspect-ratio:21 / 9;}
.media-frame--tall{aspect-ratio:4 / 5;}
.media-frame--square{aspect-ratio:1 / 1;}
.media-note{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--stone-soft);
}

/* ---------- 11. card ---------- */
.card{
  position:relative;
  padding:clamp(18px,2.4vw,28px);
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  background:linear-gradient(158deg,rgba(12,43,33,.96),rgba(7,17,13,.96));
  box-shadow:0 1px 0 rgba(255,255,255,.03),0 24px 48px -34px #000;
  transition:border-color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease);
}
.card:hover{
  border-color:rgba(200,255,61,.45);
  transform:translateY(-2px);
}
.card-kicker{
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--cyan);
}
.card-title{
  margin:0 0 10px;
  font-size:clamp(17px,1.9vw,22px);
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--mist);
}
.card-text{
  margin:0;
  color:var(--stone);
  font-size:14.5px;
  line-height:1.72;
}
.card-foot{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:18px;
  padding-top:14px;
  border-top:1px solid var(--line-faint);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--stone-soft);
}

/* ---------- 12. disclosure ---------- */
.disclosure-stack{display:grid;gap:10px;}
.disclosure{
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  background:rgba(12,43,33,.55);
  transition:border-color var(--t-fast) var(--ease),background var(--t-fast) var(--ease);
}
.disclosure:hover{border-color:rgba(57,82,71,.95);}
.disclosure[data-open="true"]{
  border-color:rgba(200,255,61,.4);
  background:rgba(12,43,33,.82);
}
.disclosure-trigger{
  display:flex;
  width:100%;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 18px;
  border:0;
  background:none;
  color:var(--mist);
  font-family:var(--font-sans);
  font-size:15.5px;
  font-weight:600;
  line-height:1.4;
  text-align:left;
  cursor:pointer;
  transition:color var(--t-fast) var(--ease);
}
.disclosure-trigger:hover{color:var(--lime);}
.disclosure-icon{
  position:relative;
  flex:0 0 auto;
  width:14px;
  height:14px;
}
.disclosure-icon::before,
.disclosure-icon::after{
  content:"";
  position:absolute;
  background:var(--lime);
  transition:transform var(--t-mid) var(--ease),opacity var(--t-fast) var(--ease);
}
.disclosure-icon::before{left:0;top:6px;width:14px;height:2px;}
.disclosure-icon::after{left:6px;top:0;width:2px;height:14px;}
.disclosure[data-open="true"] .disclosure-icon::after{
  transform:rotate(90deg);
  opacity:0;
}
.disclosure-panel{
  display:grid;
  grid-template-rows:0fr;
  visibility:hidden;
  transition:grid-template-rows var(--t-mid) var(--ease),
             visibility 0s linear var(--t-mid);
}
.disclosure-panel > *{min-height:0;overflow:hidden;}
.disclosure[data-open="true"] .disclosure-panel{
  grid-template-rows:1fr;
  visibility:visible;
  transition:grid-template-rows var(--t-mid) var(--ease),visibility 0s;
}
.disclosure-body{
  padding:0 18px 18px;
  color:var(--stone);
  font-size:14.5px;
  line-height:1.75;
}

/* ---------- 13. skip link ---------- */
.skip-link{
  position:absolute;
  left:14px;
  top:-64px;
  z-index:120;
  padding:10px 18px;
  border-radius:2px;
  background:var(--lime);
  color:#07110D;
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  transition:top var(--t-fast) var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{top:12px;outline-offset:4px;}
#main-content{scroll-margin-top:88px;}

/* ---------- 14. header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,17,13,.94);
  border-bottom:1px solid var(--line-soft);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.header-strip{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-block:6px;
  padding-inline:max(var(--gutter),calc((100% - var(--shell)) / 2 + var(--gutter)));
  border-bottom:1px solid var(--line-faint);
  background:linear-gradient(90deg,var(--deep),var(--ink) 52%,var(--deep));
}
.strip-tag{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--stone-soft);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.strip-tag--end{color:var(--lime);opacity:.85;}

.header-bar{
  display:flex;
  align-items:center;
  gap:clamp(14px,3vw,48px);
  min-height:66px;
  padding-block:10px;
}

/* brand */
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  color:var(--mist);
  text-decoration:none;
}
.brand-mark{
  display:block;
  width:15px;
  height:28px;
  background:linear-gradient(180deg,var(--lime) 0%,var(--cyan) 100%);
  clip-path:polygon(0 0,100% 0,100% 70%,50% 100%,0 70%);
  box-shadow:0 0 18px rgba(200,255,61,.28);
  transition:transform var(--t-mid) var(--ease);
}
.brand:hover .brand-mark{transform:translateY(-2px);}
.brand-type{display:flex;flex-direction:column;line-height:1;}
.brand-name{
  font-family:var(--font-sans);
  font-size:20px;
  font-weight:800;
  letter-spacing:.06em;
  color:var(--mist);
}
.brand-sub{
  margin-top:6px;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--stone-soft);
}

/* nav */
.site-nav{
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,30px);
  margin-left:auto;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:clamp(6px,1.6vw,22px);
  list-style:none;
}
.nav-item{display:block;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:8px 2px;
  color:var(--stone);
  font-size:14.5px;
  font-weight:500;
  letter-spacing:.02em;
  text-decoration:none;
  transition:color var(--t-fast) var(--ease);
}
.nav-link::before{
  content:attr(data-num);
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.1em;
  color:rgba(169,183,174,.42);
  transition:color var(--t-fast) var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--t-mid) var(--ease);
}
.nav-link:hover{color:var(--mist);}
.nav-link:hover::before{color:var(--cyan);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link[aria-current="page"]{color:var(--lime);}
.nav-link[aria-current="page"]::before{color:var(--lime);}
.nav-link[aria-current="page"]::after{transform:scaleX(1);}
.nav-cta{
  flex:0 0 auto;
  padding:10px 16px;
  font-size:13.5px;
  white-space:nowrap;
}

/* nav toggle */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  margin-left:auto;
  padding:10px 15px;
  border:1px solid var(--line-soft);
  border-radius:999px;
  background:rgba(12,43,33,.9);
  color:var(--mist);
  cursor:pointer;
  transition:border-color var(--t-fast) var(--ease),background var(--t-fast) var(--ease);
}
.nav-toggle:hover{border-color:var(--lime);background:var(--lime-soft);}
.nav-toggle-bars{
  position:relative;
  display:block;
  width:18px;
  height:2px;
  background:var(--lime);
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:var(--mist);
  transition:transform var(--t-mid) var(--ease),top var(--t-mid) var(--ease),opacity var(--t-fast) var(--ease);
}
.nav-toggle-bars::before{top:-6px;}
.nav-toggle-bars::after{top:6px;}
.nav-toggle-text{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  min-width:2.6em;
  text-align:left;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:transparent;}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{
  top:0;
  background:var(--lime);
  transform:rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{
  top:0;
  background:var(--lime);
  transform:rotate(-45deg);
}

/* ---------- 15. footer ---------- */
.site-footer{
  margin-top:clamp(48px,8vw,104px);
  border-top:1px solid var(--line-soft);
  background:
    radial-gradient(90% 70% at 8% 0%,rgba(22,74,53,.55),transparent 62%),
    linear-gradient(180deg,var(--ink) 0%,var(--deep) 46%,#061009 100%);
  color:var(--stone);
}
.footer-main{
  display:grid;
  grid-template-columns:minmax(0,.95fr) minmax(0,1.65fr);
  gap:clamp(28px,5vw,72px);
  padding-block:clamp(38px,6vw,76px);
}
.footer-brand{max-width:38ch;}
.footer-wordmark{
  margin:0 0 14px;
  font-size:clamp(26px,3.6vw,40px);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.05;
  color:var(--mist);
}
.footer-note{
  margin:0 0 22px;
  color:var(--stone);
  font-size:14.5px;
  line-height:1.75;
}
.footer-cols{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:clamp(20px,3vw,40px);
}
.footer-col-title{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--cyan);
}
.footer-list{
  list-style:none;
  display:grid;
  gap:10px;
}
.footer-link{
  color:var(--stone);
  font-size:14.5px;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.footer-link:hover{
  color:var(--lime);
  border-bottom-color:var(--lime);
}
.contact-list{
  list-style:none;
  display:grid;
  gap:12px;
}
.contact-row{
  display:grid;
  grid-template-columns:44px minmax(0,1fr);
  gap:8px;
  align-items:baseline;
  font-size:13.5px;
}
.contact-label{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:rgba(169,183,174,.55);
}
.contact-value{
  color:var(--mist);
  overflow-wrap:anywhere;
}
.footer-legal{
  border-top:1px solid var(--line-faint);
  background:rgba(7,17,13,.66);
}
.footer-legal-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 24px;
  padding-block:16px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--stone-soft);
}
.footer-copy{margin:0;color:var(--stone);}
.footer-icp{margin:0;color:var(--stone-soft);}
.footer-hint{margin:0;color:rgba(169,183,174,.48);}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
  padding:8px 14px;
  border:1px solid var(--line-soft);
  border-radius:999px;
  background:rgba(12,43,33,.8);
  color:var(--mist);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  cursor:pointer;
  transition:border-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease),background var(--t-fast) var(--ease);
}
.to-top::before{content:"↑";color:var(--lime);font-size:12px;}
.to-top:hover{
  border-color:var(--lime);
  color:var(--lime);
  background:var(--lime-soft);
}

/* ---------- 16. script-driven surface ---------- */
.scroll-meter{
  position:fixed;
  left:0;
  right:0;
  top:0;
  height:2px;
  z-index:90;
  pointer-events:none;
  background:rgba(57,82,71,.28);
}
.scroll-meter-bar{
  width:100%;
  height:100%;
  transform:scaleX(0);
  transform-origin:left center;
  background:linear-gradient(90deg,var(--lime),var(--cyan));
  box-shadow:0 0 12px rgba(200,255,61,.5);
  transition:transform 90ms linear;
}
.reveal-ready [data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity var(--t-mid) var(--ease),transform var(--t-mid) var(--ease);
}
.reveal-ready [data-reveal].is-visible{
  opacity:1;
  transform:none;
}

/* ---------- 17. responsive ---------- */
@media (max-width:1080px){
  .nav-link{font-size:13.5px;}
  .nav-cta{padding:9px 13px;font-size:12.5px;}
}

@media (max-width:900px){
  .strip-tag{font-size:10px;letter-spacing:.18em;}
  .header-bar{
    min-height:60px;
    gap:12px;
    flex-wrap:wrap;
    padding-block:10px;
  }
  .nav-toggle{display:inline-flex;}
  .site-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    z-index:59;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin-left:0;
    max-height:0;
    padding:0 var(--gutter);
    overflow:hidden;
    opacity:0;
    visibility:hidden;
    background:linear-gradient(180deg,var(--deep),#08170F);
    border-bottom:1px solid var(--line-soft);
    box-shadow:0 30px 60px -30px #000;
    transition:max-height var(--t-mid) var(--ease),
               opacity var(--t-fast) var(--ease),
               padding var(--t-mid) var(--ease),
               visibility 0s linear var(--t-mid);
  }
  .site-nav[data-open="true"]{
    max-height:min(76vh,520px);
    padding:8px var(--gutter) 22px;
    overflow-y:auto;
    opacity:1;
    visibility:visible;
    transition:max-height var(--t-mid) var(--ease),
               opacity var(--t-fast) var(--ease),
               padding var(--t-mid) var(--ease),
               visibility 0s;
  }
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    width:100%;
  }
  .nav-item{border-bottom:1px solid var(--line-faint);}
  .nav-link{
    width:100%;
    padding:14px 0;
    font-size:16px;
    color:var(--mist);
  }
  .nav-link::after{
    left:auto;
    right:0;
    bottom:50%;
    width:0;
    height:0;
  }
  .nav-link[aria-current="page"]{
    color:var(--lime);
    box-shadow:inset 3px 0 0 var(--lime);
    padding-left:12px;
  }
  .nav-cta{
    width:100%;
    margin-top:18px;
    padding:13px 18px;
    font-size:14px;
  }
  .footer-main{grid-template-columns:1fr;}
  .footer-brand{max-width:none;}
  .footer-legal-inner{font-size:11px;letter-spacing:.06em;}
  .to-top{margin-left:0;}
}

@media (max-width:640px){
  .strip-tag--end{display:none;}
  .brand-name{font-size:18px;}
  .brand-sub{font-size:9px;letter-spacing:.24em;}
  .footer-cols{grid-template-columns:1fr;}
  .grid-12 > [class*="span-"]{grid-column:1 / -1;}
}

@media (max-width:900px){
  .grid-12 > [class*="span-"]{grid-column:1 / -1;}
}

/* ---------- 18. 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;
    scroll-behavior:auto !important;
  }
  .reveal-ready [data-reveal]{opacity:1;transform:none;}
  .card:hover,.btn:hover,.brand:hover .brand-mark{transform:none;}
}