/* ============================================================
   6686体育主站 · 共享样式 /assets/site.css
   侧边导览轨道 + 战术板入口条 + 纸张叠层卡片
   ============================================================ */

/* ---------- reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body,h1,h2,h3,h4,p,ul,ol,li,figure,blockquote,dl,dd,fieldset{ margin:0; }
ul,ol{ padding:0; list-style:none; }
img,svg,video,picture{ max-width:100%; display:block; }
button,input,select,textarea{ font:inherit; color:inherit; }
button{ background:none; border:0; }
a{ color:inherit; }

/* ---------- tokens ---------- */
:root{
  --red:#E63946;
  --red-deep:#A4161A;
  --yellow:#FFB703;
  --green:#123B2F;
  --slate:#2C3E50;
  --cyan:#00E5D0;
  --cyan-ink:#00897C;
  --paper:#F7F4EF;
  --ink:#14161A;
  --line:#DDE1E4;
  --sand:#EADFC8;
  --muted:#5B6672;

  --bar-h:62px;
  --rail-w:232px;
  --radius:3px;

  --font-display:"Bebas Neue","Oswald","Noto Sans SC Condensed","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --font-body:"Inter","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;

  --layer-shadow:0 1px 0 var(--sand), 0 12px 26px -20px rgba(18,59,47,.55);
  --layer-shadow-hover:0 2px 0 var(--sand), 0 20px 34px -22px rgba(18,59,47,.6);
}
@media (max-width:767px){ :root{ --bar-h:56px; } }

/* ---------- base ---------- */
body{
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.7;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    linear-gradient(rgba(44,62,80,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(44,62,80,.055) 1px, transparent 1px);
  background-size:96px 96px;
  padding-top:var(--bar-h);
  min-height:100vh;
  overflow-x:hidden;
}
@media (min-width:1200px){ body{ padding-left:var(--rail-w); } }

h1,h2,h3{ font-family:var(--font-display); font-weight:400; line-height:1.05; letter-spacing:.02em; }
h1{ font-size:clamp(2.8rem,7vw,6rem); margin:0 0 .35em; transform:skewX(-3deg); transform-origin:left bottom; }
h2{ font-size:clamp(2rem,4vw,3.5rem); margin:0 0 .4em; transform:skewX(-3deg); transform-origin:left bottom; }
h3{ font-size:1.4rem; margin:0 0 .5em; letter-spacing:.03em; }
p{ margin:0 0 1em; }
strong{ font-weight:700; }
.mono{ font-family:var(--font-mono); font-weight:600; letter-spacing:.02em; }
.slant{ display:inline-block; transform:skewX(-3deg); transform-origin:left bottom; }

/* ---------- focus ---------- */
:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
  box-shadow:0 0 0 4px rgba(0,229,208,.22);
  border-radius:2px;
}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;
  top:-80px; left:12px;
  z-index:200;
  padding:10px 16px;
  background:var(--yellow);
  color:var(--ink);
  font-weight:700;
  letter-spacing:.06em;
  text-decoration:none;
  border:1px solid var(--ink);
  border-radius:2px;
  transition:top .18s ease;
}
.skip-link:focus{ top:10px; }

/* ---------- header shell ---------- */
.site-header{ position:relative; z-index:80; }

.tactical-bar{
  position:fixed;
  top:0; left:0; right:0;
  height:var(--bar-h);
  z-index:90;
  display:flex;
  align-items:center;
  gap:14px;
  padding:0 16px 0 18px;
  background:var(--green);
  color:var(--paper);
  border-bottom:2px solid var(--red);
}
.tactical-bar::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:-2px;
  height:2px;
  background:repeating-linear-gradient(90deg, var(--yellow) 0 26px, transparent 26px 58px);
  opacity:.6;
  pointer-events:none;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:4px 8px;
  color:inherit;
  text-decoration:none;
  border-radius:2px;
  flex:0 0 auto;
}
.brand__badge{ display:inline-flex; gap:3px; align-items:flex-end; }
.brand__card{
  display:block;
  width:9px; height:14px;
  border-radius:1px;
  box-shadow:0 0 0 1px rgba(20,22,26,.55);
}
.brand__card--red{ background:var(--red); transform:rotate(-9deg); }
.brand__card--yellow{ background:var(--yellow); transform:rotate(7deg); }
.brand__text{ display:flex; flex-direction:column; line-height:1.06; }
.brand__text strong{ font-family:var(--font-display); font-size:1.2rem; letter-spacing:.07em; font-weight:400; }
.brand__text em{ font-style:normal; font-size:.66rem; letter-spacing:.26em; color:var(--cyan); }

.quick-strip{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
}

.chip{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:5px 11px;
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.08em;
  text-decoration:none;
  color:var(--paper);
  background:rgba(247,244,239,.07);
  border:1px solid rgba(247,244,239,.32);
  border-radius:2px;
  transition:background .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}
.chip:hover{ transform:translateY(-2px); background:rgba(0,229,208,.14); border-color:var(--cyan); color:#fff; }
.chip--red{ box-shadow:inset 3px 0 0 var(--red); }
.chip--yellow{ box-shadow:inset 3px 0 0 var(--yellow); }
.chip--slate{ box-shadow:inset 3px 0 0 #7F9BB5; }
.chip--cyan{ box-shadow:inset 3px 0 0 var(--cyan); }
.chip[data-hint]::after{
  content:attr(data-hint);
  position:absolute;
  top:calc(100% + 8px);
  left:0;
  z-index:30;
  padding:4px 9px;
  white-space:nowrap;
  font-size:.7rem;
  font-weight:500;
  letter-spacing:.08em;
  color:var(--paper);
  background:var(--ink);
  border-left:2px solid var(--cyan);
  border-radius:2px;
  opacity:0;
  transform:translateY(-4px);
  pointer-events:none;
  transition:opacity .15s ease, transform .15s ease;
}
.chip[data-hint]:hover::after,
.chip[data-hint]:focus-visible::after{ opacity:1; transform:none; }

.nav-toggle{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 12px;
  color:var(--paper);
  background:transparent;
  border:1px solid rgba(247,244,239,.42);
  border-radius:2px;
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.16em;
  cursor:pointer;
  flex:0 0 auto;
}
.nav-toggle:hover{ border-color:var(--cyan); color:var(--cyan); }
.nav-toggle__bars{ position:relative; width:16px; height:10px; }
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute; left:0; right:0; height:2px;
  background:var(--yellow);
  transition:transform .18s ease, top .18s ease, bottom .18s ease;
}
.nav-toggle__bars::before{ top:0; }
.nav-toggle__bars::after{ bottom:0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{ top:4px; transform:rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{ bottom:4px; transform:rotate(-45deg); }

/* ---------- brand rail ---------- */
.brand-rail{
  position:fixed;
  top:var(--bar-h);
  left:0; bottom:0;
  width:var(--rail-w);
  z-index:70;
  display:flex;
  flex-direction:column;
  gap:16px;
  padding:24px 16px 20px;
  background:var(--green);
  color:var(--paper);
  border-right:1px solid rgba(0,229,208,.22);
  overflow-y:auto;
}
.brand-rail::before{
  content:"";
  position:absolute;
  top:0; bottom:0; right:-1px;
  width:3px;
  background:repeating-linear-gradient(180deg, var(--red) 0 42px, var(--yellow) 42px 58px, transparent 58px 104px);
  opacity:.75;
  pointer-events:none;
}

.rail-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin:0 0 4px;
  font-size:.68rem;
  font-weight:600;
  letter-spacing:.2em;
  color:var(--cyan);
}
.rail-tag__dot{
  width:8px; height:8px;
  border-radius:50%;
  background:var(--yellow);
  box-shadow:0 0 0 3px rgba(255,183,3,.18);
  animation:rail-pulse 2.6s ease-in-out infinite;
}
@keyframes rail-pulse{ 50%{ opacity:.4; } }

.rail-nav{ flex:1 1 auto; }
.rail-nav__list{ display:flex; flex-direction:column; gap:4px; }

.nav-link{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:10px 12px;
  color:rgba(247,244,239,.78);
  text-decoration:none;
  border-left:3px solid transparent;
  border-radius:0 3px 3px 0;
  transition:color .18s ease, background .18s ease, border-color .18s ease, transform .18s ease;
}
.nav-link__no{
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:700;
  color:var(--cyan);
  opacity:.75;
}
.nav-link__label{ font-size:.94rem; letter-spacing:.08em; }
.nav-link:hover{
  color:#fff;
  background:rgba(0,229,208,.1);
  border-left-color:var(--cyan);
  transform:translateX(2px);
}
.nav-link[aria-current="page"]{
  color:#fff;
  background:rgba(230,57,70,.22);
  border-left-color:var(--yellow);
}
.nav-link[aria-current="page"] .nav-link__no{ opacity:1; }

.rail-note{
  margin:auto 0 0;
  padding-top:14px;
  font-size:.72rem;
  line-height:1.8;
  letter-spacing:.14em;
  color:rgba(247,244,239,.5);
  border-top:1px dashed rgba(247,244,239,.22);
}

/* ---------- page containers ---------- */
.page{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:28px 20px 84px;
}
.section{ margin:0 0 64px; }
.section--narrow{ max-width:640px; margin-left:clamp(0px,7vw,104px); }
.section__kicker{
  display:flex;
  align-items:center;
  gap:10px;
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--red);
}
.section__kicker::before{ content:""; width:26px; height:2px; background:var(--yellow); }
.section__title{ margin:0 0 .45em; }
.section__lead{ max-width:62ch; color:#3C4A57; }

.section--dark{
  padding:32px 26px;
  background:var(--green);
  color:var(--paper);
  border:1px solid var(--ink);
  border-radius:var(--radius);
  box-shadow:var(--layer-shadow);
}
.section--slate{
  padding:32px 26px;
  background:var(--slate);
  color:var(--paper);
  border:1px solid var(--ink);
  border-radius:var(--radius);
  box-shadow:var(--layer-shadow);
}
.section--dark h2,.section--dark h3,.section--slate h2,.section--slate h3{ color:var(--paper); }
.section--dark .section__lead,.section--slate .section__lead{ color:rgba(247,244,239,.82); }
.section--dark .section__kicker,.section--slate .section__kicker{ color:var(--yellow); }

/* ---------- paper cards ---------- */
.card{
  position:relative;
  padding:20px 20px 22px;
  background:var(--paper);
  border:1px solid var(--ink);
  border-radius:var(--radius);
  box-shadow:var(--layer-shadow);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover{ transform:translateY(-2px); border-color:var(--cyan); box-shadow:var(--layer-shadow-hover); }
.card--ink{ background:var(--slate); color:var(--paper); }
.card--ink h3{ color:var(--paper); }
.card--signal{ border-left:5px solid var(--red); }
.card--warn{ border-left:5px solid var(--yellow); }
.card--data{ border-left:5px solid var(--cyan); }

/* ---------- stats & data band ---------- */
.stat{ display:flex; flex-direction:column; gap:6px; }
.stat__value{
  font-family:var(--font-mono);
  font-size:clamp(2.4rem,6vw,4.6rem);
  font-weight:700;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--ink);
}
.stat__value--red{ color:var(--red); }
.stat__value--cyan{ color:var(--cyan-ink); }
.stat__label{
  font-size:.76rem;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--muted);
}
.stat--dark .stat__value{ color:var(--cyan); }
.stat--dark .stat__label{ color:rgba(247,244,239,.68); }

.data-band{
  display:flex;
  flex-wrap:wrap;
  min-height:160px;
  background:var(--slate);
  color:var(--paper);
  border:1px solid var(--ink);
  border-radius:var(--radius);
  box-shadow:var(--layer-shadow);
  overflow:hidden;
}
.data-band__cell{
  flex:1 1 180px;
  padding:20px 22px;
  border-right:1px dashed rgba(247,244,239,.22);
}
.data-band__cell:last-child{ border-right:0; }
.data-band__value{
  display:block;
  font-family:var(--font-mono);
  font-size:clamp(2rem,4vw,3.2rem);
  font-weight:700;
  line-height:1.1;
  color:var(--cyan);
}
.data-band__label{
  display:block;
  margin-top:4px;
  font-size:.74rem;
  font-weight:600;
  letter-spacing:.18em;
  color:rgba(247,244,239,.7);
}

/* ---------- tags ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 9px;
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.12em;
  border-radius:2px;
  border:1px solid var(--line);
  background:var(--sand);
  color:var(--slate);
}
.tag--red{ background:var(--red); border-color:var(--red-deep); color:#fff; }
.tag--yellow{ background:var(--yellow); border-color:#C98D00; color:var(--ink); }
.tag--cyan{ background:rgba(0,229,208,.18); border-color:var(--cyan); color:#00645C; }
.tag--ink{ background:var(--green); border-color:var(--green); color:var(--paper); }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  font-size:.92rem;
  font-weight:600;
  letter-spacing:.06em;
  text-decoration:none;
  color:var(--ink);
  background:var(--paper);
  border:1px solid var(--ink);
  border-radius:2px;
  cursor:pointer;
  transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn--primary{ background:var(--red); border-color:var(--red-deep); color:#fff; }
.btn--primary:hover{ background:var(--red-deep); }
.btn--ghost{ background:transparent; }
.btn--ghost:hover{ border-color:var(--cyan); color:var(--cyan-ink); }
.btn--dark{ background:var(--green); border-color:var(--green); color:var(--paper); }
.btn--dark:hover{ border-color:var(--cyan); }
.btn--sm{ padding:8px 14px; font-size:.82rem; }

/* ---------- breadcrumb ---------- */
.breadcrumb{ margin:0 0 20px; font-size:.78rem; letter-spacing:.08em; color:var(--muted); }
.breadcrumb ol{ display:flex; flex-wrap:wrap; gap:8px; align-items:center; }
.breadcrumb li{ display:inline-flex; align-items:center; gap:8px; }
.breadcrumb li::after{ content:"/"; color:var(--yellow); }
.breadcrumb li:last-child::after{ content:""; }
.breadcrumb a{ color:var(--slate); text-decoration:none; border-bottom:1px solid var(--line); }
.breadcrumb a:hover{ color:var(--red); border-bottom-color:var(--red); }
.breadcrumb [aria-current="page"]{ color:var(--ink); font-weight:600; }

/* ---------- prose ---------- */
.prose{ max-width:68ch; }
.prose h2{ margin-top:1.4em; }
.prose h3{ margin-top:1.2em; }
.prose p{ margin:0 0 1.1em; }
.prose ul,.prose ol{ margin:0 0 1.2em; padding-left:1.2em; list-style:disc; }
.prose li{ margin:0 0 .4em; }
.prose a{ color:var(--red-deep); text-decoration:underline; text-underline-offset:3px; }

/* ---------- tables ---------- */
.table-wrap{
  overflow-x:auto;
  background:var(--paper);
  border:1px solid var(--ink);
  border-radius:var(--radius);
  box-shadow:var(--layer-shadow);
}
table.data{ width:100%; min-width:520px; border-collapse:collapse; font-size:.9rem; }
table.data caption{
  padding:12px 14px;
  text-align:left;
  font-size:.74rem;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--muted);
  border-bottom:1px solid var(--line);
}
table.data th{
  padding:10px 14px;
  text-align:left;
  font-size:.76rem;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--paper);
  background:var(--slate);
}
table.data td{ padding:10px 14px; border-top:1px solid var(--line); }
table.data tbody tr:nth-child(even){ background:rgba(221,225,228,.35); }
.num{ font-family:var(--font-mono); font-weight:700; letter-spacing:.02em; }

/* ---------- grids ---------- */
.grid{ display:grid; gap:20px; }
.grid-12{ display:grid; grid-template-columns:repeat(12,minmax(0,1fr)); gap:20px; }
.span-2{ grid-column:span 2; }
.span-3{ grid-column:span 3; }
.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-12{ grid-column:span 12; }

/* ---------- media frames (图片占位基础规则) ---------- */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  border:1px solid var(--ink);
  border-radius:var(--radius);
  background-color:#16241F;
  background-image:
    linear-gradient(115deg, rgba(0,229,208,.14) 0 1px, transparent 1px 100%),
    repeating-linear-gradient(90deg, rgba(247,244,239,.08) 0 1px, transparent 1px 64px);
  box-shadow:var(--layer-shadow);
}
.media-frame > img,
.media-frame > picture > img{
  width:100%; height:100%;
  object-fit:cover;
  display:block;
}
.media-frame--square{ aspect-ratio:1 / 1; }
.media-frame--wide{ aspect-ratio:16 / 9; }
.media-frame--band{ aspect-ratio:21 / 9; }
.media-frame--tall{ aspect-ratio:3 / 4; }
.media-frame--cut{ clip-path:polygon(0 0, 100% 0, 100% 84%, 0 100%); }
.media-frame__tag{
  position:absolute;
  left:0; bottom:0;
  padding:5px 11px;
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--ink);
  background:var(--yellow);
}
.media-frame__caption{ margin-top:8px; font-size:.78rem; color:var(--muted); }

/* ---------- injected UI ---------- */
.scroll-progress{
  position:absolute;
  left:0; bottom:-2px;
  height:2px;
  width:0;
  background:var(--cyan);
  box-shadow:0 0 8px rgba(0,229,208,.7);
  z-index:5;
  pointer-events:none;
  transition:width .1s linear;
}
.to-top{
  position:fixed;
  right:18px; bottom:18px;
  z-index:95;
  padding:10px 12px;
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--paper);
  background:var(--green);
  border:1px solid var(--ink);
  border-left:4px solid var(--red);
  border-radius:2px;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .18s ease, transform .18s ease, visibility .18s;
}
.to-top.is-visible{ opacity:1; visibility:visible; transform:none; }
.to-top:hover{ border-left-color:var(--yellow); }

/* ---------- reveal ---------- */
.js [data-reveal]{ opacity:0; transform:translateY(12px); transition:opacity .35s ease, transform .35s ease; }
.js [data-reveal].is-in{ opacity:1; transform:none; }

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  margin-top:56px;
  background:var(--green);
  color:rgba(247,244,239,.86);
  border-top:3px solid var(--red);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-3px; left:0; right:0;
  height:3px;
  background:repeating-linear-gradient(90deg, var(--yellow) 0 18px, transparent 18px 54px);
  opacity:.6;
  pointer-events:none;
}
.footer-grid{
  max-width:1180px;
  margin:0 auto;
  padding:44px 20px 28px;
  display:grid;
  grid-template-columns:1.2fr 1fr 1.6fr;
  gap:28px;
}
.footer-brand__name{
  font-family:var(--font-display);
  font-size:1.6rem;
  letter-spacing:.08em;
  color:var(--paper);
  margin:0 0 6px;
}
.footer-brand__line{ font-size:.86rem; margin:0 0 14px; }
.footer-brand__meta{
  margin:0;
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.06em;
  color:var(--cyan);
}
.footer-title{
  margin:0 0 14px;
  font-size:.7rem;
  font-weight:700;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--yellow);
}
.footer-links{ display:flex; flex-direction:column; align-items:flex-start; gap:9px; }
.footer-links a{
  font-size:.9rem;
  color:rgba(247,244,239,.86);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s ease, border-color .18s ease;
}
.footer-links a:hover{ color:var(--cyan); border-bottom-color:var(--cyan); }
.footer-contact__row{ margin:0 0 9px; font-size:.86rem; }
.footer-contact__row .mono{ color:var(--paper); }
.footer-base{ border-top:1px solid rgba(247,244,239,.16); }
.footer-base__inner{
  max-width:1180px;
  margin:0 auto;
  padding:14px 20px 24px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:.76rem;
  letter-spacing:.06em;
  color:rgba(247,244,239,.6);
}
.footer-base__inner p{ margin:0; }
.footer-base__tag{ font-family:var(--font-mono); color:rgba(0,229,208,.75); }

/* ---------- responsive ---------- */
@media (max-width:1199px){
  body{ padding-left:0; }

  .brand-rail{
    position:static;
    width:auto;
    top:auto; bottom:auto;
    padding:0;
    background:var(--green);
    border-right:0;
    border-bottom:2px solid var(--red);
    max-height:0;
    overflow:hidden;
    transition:max-height .22s ease;
    box-shadow:0 18px 30px -26px rgba(18,59,47,.9);
  }
  .brand-rail::before{ display:none; }
  .brand-rail[data-open]{ max-height:70vh; overflow-y:auto; }
  .rail-tag,.rail-note{ display:none; }
  .rail-nav{ padding:12px 16px 16px; }
  .rail-nav__list{ flex-direction:row; gap:8px; overflow-x:auto; padding-bottom:6px; }

  .nav-link{
    flex:0 0 auto;
    padding:8px 12px;
    background:rgba(247,244,239,.07);
    border-left:0;
    border-bottom:3px solid transparent;
    border-radius:3px;
  }
  .nav-link:hover{ transform:translateY(-2px); border-bottom-color:var(--cyan); }
  .nav-link[aria-current="page"]{ border-left:0; border-bottom-color:var(--yellow); }

  .footer-grid{ grid-template-columns:1fr 1fr; }
  .footer-contact{ grid-column:1 / -1; }
  .chip[data-hint]::after{ display:none; }
  .scroll-progress{ bottom:0; }
}
@media (min-width:1200px){
  .nav-toggle{ display:none; }
}
@media (max-width:900px){
  .grid-12{ grid-template-columns:repeat(6,minmax(0,1fr)); }
  .span-2,.span-3,.span-4,.span-5{ grid-column:span 3; }
  .span-6,.span-7,.span-8,.span-12{ grid-column:span 6; }
  .section--narrow{ margin-left:0; max-width:none; }
}
@media (max-width:767px){
  .page{ padding:20px 16px 64px; }
  .brand__text em{ display:none; }
  .quick-strip{ gap:6px; overflow-x:auto; }
  .chip{ white-space:nowrap; }
  .brand-rail[data-open]{ max-height:none; }
  .rail-nav__list{ flex-wrap:nowrap; }
  .footer-grid{ grid-template-columns:1fr; padding:34px 16px 22px; gap:22px; }
  .footer-base__inner{ padding:14px 16px 22px; }
  .grid-12{ grid-template-columns:1fr; }
  .span-2,.span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-12{ grid-column:1 / -1; }
  .media-frame--band{ aspect-ratio:16 / 9; }
  .section{ margin:0 0 46px; }
  .to-top{ right:12px; bottom:12px; }
}

/* ---------- motion preferences ---------- */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .rail-tag__dot{ animation:none; }
  .js [data-reveal]{ opacity:1; transform:none; }
  .card:hover,.btn:hover,.chip:hover,.nav-link:hover{ transform:none; }
  .scroll-progress{ transition:none; }
}