/* ============================================================
   博亚看台 / site.css
   1 tokens · 2 reset · 3 typography · 4 utilities · 5 header
   6 footer · 7 components · 8 motion
   ============================================================ */

/* 1 ---------- tokens ---------- */
:root{
  --pitch:#0B3D2E;
  --pitch-deep:#082E22;
  --pitch-2:#1F5A45;
  --red:#C8102E;
  --yellow:#F2C94C;
  --white:#FFFFFF;
  --sky:#2D9CDB;
  --paper:#F5EEDC;
  --ink:#231A12;
  --mist:#D9D2C3;
  --whistle:#E4572E;

  --line:rgba(217,210,195,.22);
  --line-soft:rgba(217,210,195,.12);
  --radius:6px;
  --radius-lg:14px;
  --shell:1240px;
  --gutter:clamp(16px,4vw,40px);

  --font-display:Impact,"Arial Narrow","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"Roboto Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* 2 ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--pitch);
  color:var(--mist);
  font-family:var(--font-body);
  font-size:clamp(15px,.4vw + 14px,16.5px);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{display:block;max-width:100%}
h1,h2,h3,h4,h5,p,figure,blockquote,ul,ol,dl{margin:0}
ul,ol{list-style:none;padding:0}
button{font:inherit;color:inherit}
a{color:inherit}
[hidden]{display:none !important}

/* 3 ---------- typography ---------- */
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:900;
  color:var(--white);
  line-height:1.04;
  letter-spacing:-.02em;
}
h1{font-size:clamp(2.2rem,6vw,4.4rem);line-height:.96}
h2{font-size:clamp(1.8rem,3vw,2.8rem)}
h3{font-size:clamp(1.15rem,1.6vw,1.45rem);line-height:1.2}
p{max-width:72ch}
strong{color:var(--white);font-weight:800}
.section--paper strong,.paper-panel strong{color:var(--ink)}

.display-title{
  font-family:var(--font-display);
  font-size:clamp(2.6rem,8.4vw,7rem);
  line-height:.9;
  letter-spacing:-.03em;
  color:var(--white);
  margin:0;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--yellow);
}
.eyebrow::before{
  content:"";
  width:24px;
  height:2px;
  background:var(--red);
  display:inline-block;
}
.lede{
  font-size:clamp(15px,.5vw + 14px,18px);
  line-height:1.72;
  color:var(--mist);
  max-width:62ch;
}

/* 4 ---------- utilities ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(40px,6vw,88px)}
.section--paper{background:var(--paper);color:var(--ink)}
.section--paper h1,.section--paper h2,.section--paper h3,.section--paper .display-title{color:var(--ink)}
.section--paper .lede{color:#3A2C1F}
.section--paper .eyebrow{color:var(--red)}
.section--paper .eyebrow::before{background:var(--ink)}
.divider{height:1px;border:0;background:var(--line);margin:0}
.meta-note{
  font-size:12.5px;
  line-height:1.7;
  letter-spacing:.03em;
  color:var(--mist);
  max-width:64ch;
}
.section--paper .meta-note{color:#5A4A3B}

.skip-link{
  position:absolute;
  left:12px;
  top:-72px;
  z-index:300;
  background:var(--yellow);
  color:var(--ink);
  font-weight:800;
  font-size:14px;
  padding:10px 18px;
  border-radius:0 0 var(--radius) var(--radius);
  text-decoration:none;
  transition:top .18s ease;
}
.skip-link:focus{top:0}

:focus-visible{
  outline:3px solid var(--whistle);
  outline-offset:3px;
  border-radius:4px;
}

/* 5 ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--pitch);
  border-bottom:1px solid var(--line);
  box-shadow:0 18px 34px rgba(0,0,0,.28);
}
.header-rail{
  background:linear-gradient(90deg,var(--pitch-deep) 0%,var(--pitch) 55%,var(--pitch-2) 100%);
  border-bottom:1px solid var(--line-soft);
}
.header-rail__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  min-height:42px;
  padding-block:4px;
}
.brand-line{
  margin:0;
  font-size:12px;
  font-weight:800;
  letter-spacing:.16em;
  color:var(--yellow);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  max-width:none;
}
.rail-meta{display:flex;align-items:center;gap:10px;flex:none}
.season-badge{
  display:inline-block;
  padding:3px 10px;
  border:1px solid var(--yellow);
  border-radius:999px;
  color:var(--yellow);
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:700;
  letter-spacing:.1em;
  white-space:nowrap;
}
.whistle-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--whistle);
  color:var(--white);
  text-decoration:none;
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.04em;
  white-space:nowrap;
  box-shadow:0 8px 18px rgba(0,0,0,.35);
  transition:transform .18s ease,background-color .18s ease;
}
.whistle-btn:hover,.whistle-btn:focus-visible{background:#f26a3d;transform:translateY(-1px)}
.whistle-btn__icon{
  width:12px;height:12px;
  border-radius:50%;
  border:2px solid var(--white);
  display:inline-block;
  position:relative;
  flex:none;
}
.whistle-btn__icon::after{
  content:"";
  position:absolute;
  inset:2px;
  border-radius:50%;
  background:var(--white);
}
.whistle-btn__text{display:inline-block}

.header-main{position:relative;background:var(--pitch)}
.header-main__inner{
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,26px);
  min-height:clamp(60px,7vw,78px);
  padding-block:8px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  margin-right:auto;
  text-decoration:none;
  color:var(--white);
  min-width:0;
}
.brand__mark{
  flex:none;
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  background:var(--red);
  color:var(--white);
  border-radius:4px;
  font-family:var(--font-display);
  font-size:22px;
  line-height:1;
  transform:skewX(-7deg);
  box-shadow:0 10px 18px rgba(200,16,46,.3);
}
.brand__text{display:block;min-width:0}
.brand__name{
  display:block;
  font-family:var(--font-display);
  font-size:clamp(1.1rem,1.6vw,1.5rem);
  letter-spacing:.01em;
  line-height:1;
  color:var(--white);
}
.brand__sub{
  display:block;
  margin-top:5px;
  font-size:11px;
  letter-spacing:.16em;
  color:var(--mist);
  white-space:nowrap;
}

.nav-toggle{display:none}

.site-nav{
  display:flex;
  align-items:center;
  gap:clamp(10px,1.7vw,22px);
}
.site-nav__list{
  display:flex;
  align-items:center;
  gap:clamp(8px,1.4vw,20px);
  flex-wrap:nowrap;
}
.site-nav__link{
  position:relative;
  display:inline-block;
  padding:9px 2px;
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
  color:#E9E3D6;
  text-decoration:none;
  white-space:nowrap;
  transition:color .16s ease;
}
.site-nav__link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:2px;
  height:3px;
  background:var(--yellow);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.site-nav__link:hover{color:var(--yellow)}
.site-nav__link:hover::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{color:var(--yellow)}
.site-nav__link[aria-current="page"]::after{transform:scaleX(1)}
.nav-status{
  display:flex;
  align-items:center;
  gap:8px;
  margin:0;
  padding-left:16px;
  border-left:1px solid var(--line);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--mist);
  white-space:nowrap;
  max-width:none;
}
.status-dot{
  width:8px;height:8px;
  border-radius:50%;
  background:var(--sky);
  box-shadow:0 0 0 3px rgba(45,156,219,.28);
  flex:none;
  animation:statusPulse 2.4s ease-in-out infinite;
}
@keyframes statusPulse{
  0%,100%{box-shadow:0 0 0 3px rgba(45,156,219,.28)}
  50%{box-shadow:0 0 0 6px rgba(45,156,219,.1)}
}

.progress{height:3px;background:rgba(217,210,195,.14)}
.progress__bar{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--yellow),var(--red) 55%,var(--sky));
}

@media (max-width:1180px){
  .nav-status{display:none}
}

@media (max-width:960px){
  .header-main{position:relative}
  .nav-toggle{
    display:inline-flex;
    align-items:center;
    gap:9px;
    padding:9px 15px;
    background:transparent;
    border:1px solid var(--line);
    border-radius:999px;
    color:var(--white);
    font-size:13px;
    font-weight:800;
    letter-spacing:.06em;
    cursor:pointer;
    transition:background-color .18s ease,color .18s ease,border-color .18s ease;
  }
  .nav-toggle:hover{border-color:var(--yellow);color:var(--yellow)}
  .nav-toggle[aria-expanded="true"]{
    background:var(--yellow);
    border-color:var(--yellow);
    color:var(--ink);
  }
  .nav-toggle__bars{
    position:relative;
    display:block;
    width:18px;
    height:2px;
    background:currentColor;
    flex:none;
  }
  .nav-toggle__bars::before,
  .nav-toggle__bars::after{
    content:"";
    position:absolute;
    left:0;
    width:18px;
    height:2px;
    background:currentColor;
    transition:transform .2s ease;
  }
  .nav-toggle__bars::before{top:-6px}
  .nav-toggle__bars::after{top:6px}
  .nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(6px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-6px) rotate(-45deg)}
  .nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}

  .site-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:12px var(--gutter) 20px;
    background:var(--pitch-deep);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    box-shadow:0 26px 44px rgba(0,0,0,.5);
    max-height:calc(100vh - 110px);
    overflow-y:auto;
  }
  .site-nav[data-open]{display:flex}
  .site-nav__list{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:0 12px;
  }
  .site-nav__link{
    display:block;
    padding:13px 10px;
    font-size:15px;
    border-bottom:1px solid var(--line-soft);
  }
  .site-nav__link::after{display:none}
  .site-nav__link[aria-current="page"]{
    background:rgba(242,201,76,.12);
    box-shadow:inset 3px 0 0 var(--yellow);
    padding-left:14px;
  }
  .nav-status{
    display:flex;
    margin-top:14px;
    padding:14px 2px 0;
    border-left:0;
    border-top:1px solid var(--line);
  }
}

@media (max-width:620px){
  .brand-line{font-size:11px;letter-spacing:.1em}
  .whistle-btn__text{display:none}
  .whistle-btn{padding:7px 10px}
  .brand__mark{width:36px;height:36px;font-size:19px}
  .brand__sub{display:none}
  .season-badge{font-size:10.5px;padding:2px 8px}
}

/* 6 ---------- footer ---------- */
.site-footer{
  background:linear-gradient(180deg,var(--pitch) 0%,var(--pitch-deep) 62%,#061F18 100%);
  color:var(--mist);
  border-top:1px solid var(--line);
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1.15fr);
  gap:clamp(24px,4vw,56px);
  padding-block:clamp(36px,5vw,68px);
  border-bottom:1px dashed var(--line);
}
.footer-brand__name{
  margin:0;
  font-family:var(--font-display);
  font-size:clamp(1.7rem,3vw,2.4rem);
  line-height:1;
  color:var(--white);
  letter-spacing:-.01em;
}
.footer-brand__line{
  margin:8px 0 20px;
  font-size:13.5px;
  letter-spacing:.1em;
  color:var(--yellow);
  max-width:none;
}
.footer-cta{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  padding:11px 22px;
  border-radius:999px;
  background:var(--red);
  color:var(--white);
  text-decoration:none;
  font-weight:800;
  font-size:14px;
  letter-spacing:.03em;
  box-shadow:0 12px 26px rgba(200,16,46,.34);
  transition:transform .18s ease,background-color .18s ease;
}
.footer-cta:hover,.footer-cta:focus-visible{background:#e01634;transform:translateY(-2px)}
.footer-col{min-width:0}
.footer-heading{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--yellow);
}
.footer-list{display:grid;gap:9px}
.footer-list a{
  display:inline-block;
  font-size:14px;
  color:#E9E3D6;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.footer-list a:hover,.footer-list a:focus-visible{color:var(--yellow);border-bottom-color:var(--yellow)}
.footer-contact{
  margin:0 0 12px;
  font-size:13.5px;
  line-height:1.9;
  color:var(--mist);
  max-width:none;
}
.footer-contact__mono{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.01em;
  color:var(--white);
  word-break:break-word;
}
.footer-note{
  font-size:12.5px;
  line-height:1.8;
  color:var(--mist);
  max-width:38ch;
}
.footer-siren{
  position:relative;
  overflow:hidden;
  background:var(--yellow);
  color:var(--ink);
}
.footer-siren::before{
  content:"";
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(-45deg,rgba(35,26,18,.09) 0 10px,transparent 10px 24px);
  pointer-events:none;
}
.footer-siren__inner{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-block:18px;
}
.footer-siren__text{
  margin:0;
  font-family:var(--font-display);
  font-size:clamp(1.05rem,2.2vw,1.6rem);
  line-height:1.1;
  letter-spacing:-.01em;
  color:var(--ink);
  max-width:none;
}
.footer-siren__link{
  display:inline-flex;
  align-items:center;
  gap:.45em;
  padding:10px 20px;
  border-radius:999px;
  background:var(--ink);
  color:var(--paper);
  text-decoration:none;
  font-weight:800;
  font-size:13.5px;
  letter-spacing:.04em;
  transition:background-color .18s ease,color .18s ease;
}
.footer-siren__link:hover,.footer-siren__link:focus-visible{background:var(--red);color:var(--white)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-block:22px;
  border-top:1px solid rgba(217,210,195,.14);
}
.footer-copy{
  margin:0;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.02em;
  color:var(--mist);
  max-width:none;
}
.footer-legal{display:flex;flex-wrap:wrap;gap:18px}
.footer-legal a{
  font-size:12.5px;
  color:var(--mist);
  text-decoration:none;
  border-bottom:1px solid rgba(217,210,195,.32);
  padding-bottom:1px;
  transition:color .16s ease,border-color .16s ease;
}
.footer-legal a:hover,.footer-legal a:focus-visible{color:var(--yellow);border-bottom-color:var(--yellow)}

@media (max-width:880px){
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:600px){
  .footer-top{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-note{max-width:none}
}

/* 7 ---------- components ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55em;
  min-height:44px;
  padding:11px 22px;
  border:1px solid transparent;
  border-radius:999px;
  font-family:var(--font-body);
  font-size:14.5px;
  font-weight:800;
  letter-spacing:.03em;
  text-decoration:none;
  cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover,.btn:focus-visible{transform:translateY(-2px)}
.btn--red{background:var(--red);color:var(--white);box-shadow:0 12px 24px rgba(200,16,46,.3)}
.btn--yellow{background:var(--yellow);color:var(--ink)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--white)}
.btn--ghost:hover,.btn--ghost:focus-visible{border-color:var(--yellow);color:var(--yellow)}
.section--paper .btn--ghost,.paper-panel .btn--ghost{color:var(--ink);border-color:rgba(35,26,18,.35)}
.section--paper .btn--ghost:hover,.paper-panel .btn--ghost:hover{border-color:var(--red);color:var(--red)}

.card{
  position:relative;
  background:var(--pitch-2);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  padding:clamp(16px,2.4vw,26px);
  box-shadow:0 18px 36px rgba(0,0,0,.22);
  color:var(--mist);
}
.card h3,.card h2{color:var(--white)}
.paper-panel{
  position:relative;
  background:var(--paper);
  color:var(--ink);
  border:1px solid var(--ink);
  border-radius:var(--radius);
  padding:clamp(18px,3vw,34px);
  box-shadow:0 12px 0 rgba(0,0,0,.2);
}
.paper-panel h2,.paper-panel h3{color:var(--ink)}
.paper-panel .lede{color:#3A2C1F}

.card-chip{
  display:inline-flex;
  align-items:center;
  gap:.4em;
  padding:4px 10px;
  border-radius:3px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  line-height:1.35;
  white-space:nowrap;
}
.card-chip--red{background:var(--red);color:var(--white)}
.card-chip--yellow{background:var(--yellow);color:var(--ink)}
.card-chip--sky{background:rgba(45,156,219,.12);border:1px solid var(--sky);color:var(--sky)}
.card-chip--green{background:transparent;border:1px solid var(--line);color:var(--mist)}

.score-figure{
  display:flex;
  align-items:baseline;
  gap:.24em;
  font-family:var(--font-mono);
  font-weight:700;
  color:var(--white);
}
.score-num{
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(2.6rem,7vw,6rem);
  line-height:.88;
  letter-spacing:-.05em;
  color:var(--white);
  font-variant-numeric:tabular-nums;
}
.score-num--sm{font-size:clamp(1.8rem,4vw,3rem)}

.stat{display:flex;flex-direction:column;gap:5px}
.stat__num{
  font-family:var(--font-mono);
  font-size:clamp(1.8rem,3.4vw,2.8rem);
  line-height:1;
  color:var(--white);
  font-variant-numeric:tabular-nums;
}
.stat__label{
  font-size:11.5px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mist);
}
.section--paper .stat__num{color:var(--ink)}
.section--paper .stat__label{color:#5A4A3B}

.tag{
  display:inline-block;
  padding:3px 10px;
  border:1px solid var(--line);
  border-radius:2px;
  background:rgba(217,210,195,.1);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--mist);
}
.section--paper .tag,.paper-panel .tag{
  border-color:rgba(35,26,18,.3);
  background:rgba(35,26,18,.06);
  color:var(--ink);
}

.breadcrumbs{
  padding-block:14px;
  font-size:12.5px;
  letter-spacing:.05em;
  color:var(--mist);
}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:.55em}
.breadcrumbs li{display:flex;align-items:center;gap:.55em}
.breadcrumbs li + li::before{content:"/";color:var(--red);font-weight:800}
.breadcrumbs a{
  color:var(--mist);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.breadcrumbs a:hover,.breadcrumbs a:focus-visible{color:var(--yellow);border-bottom-color:var(--yellow)}
.breadcrumbs [aria-current="page"]{color:var(--yellow);font-weight:700}

.grid{display:grid;gap:clamp(14px,2vw,24px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--scoreboard{grid-template-columns:minmax(0,3fr) minmax(0,9fr)}
@media (max-width:900px){
  .grid--2,.grid--3,.grid--scoreboard{grid-template-columns:minmax(0,1fr)}
}

.img-frame{
  position:relative;
  margin:0;
  overflow:hidden;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:
    radial-gradient(circle at 28% 18%,rgba(242,201,76,.18),transparent 55%),
    radial-gradient(circle at 78% 84%,rgba(200,16,46,.22),transparent 62%),
    linear-gradient(160deg,#124434 0%,var(--pitch) 45%,var(--pitch-deep) 100%);
}
.img-frame::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:2;
  pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.055) 0 1px,transparent 1px 3px);
  opacity:.7;
}
.img-frame > img{
  position:relative;
  z-index:1;
  width:100%;
  height:100%;
  object-fit:cover;
}
.img-frame--wide{aspect-ratio:16/9}
.img-frame--tall{aspect-ratio:3/4}
.img-frame--square{aspect-ratio:1/1}
.img-frame__caption{
  position:absolute;
  left:0;
  bottom:0;
  z-index:3;
  margin:0;
  padding:8px 12px;
  background:rgba(8,46,34,.86);
  color:var(--mist);
  font-size:12px;
  letter-spacing:.05em;
}
.section--paper .img-frame__caption{color:var(--paper)}

.prose{max-width:70ch;font-size:16px;line-height:1.8;color:var(--mist)}
.prose h2,.prose h3{color:var(--white);margin:1.5em 0 .55em}
.prose h2:first-child,.prose h3:first-child{margin-top:0}
.prose p{margin:0 0 1.1em;max-width:none}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.4em}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-bottom:.5em}
.prose a{color:var(--yellow);text-decoration:underline;text-underline-offset:3px}
.section--paper .prose,.paper-panel .prose{color:#2B2117}
.section--paper .prose h2,.section--paper .prose h3,
.paper-panel .prose h2,.paper-panel .prose h3{color:var(--ink)}
.section--paper .prose a,.paper-panel .prose a{color:var(--red)}

.filter-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-bottom:20px;
}
.filter-btn{
  appearance:none;
  padding:7px 15px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(217,210,195,.06);
  color:var(--mist);
  font-size:13px;
  font-weight:700;
  letter-spacing:.05em;
  cursor:pointer;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.filter-btn:hover{border-color:var(--yellow);color:var(--white)}
.filter-btn[aria-pressed="true"]{
  background:var(--yellow);
  border-color:var(--yellow);
  color:var(--ink);
}
.section--paper .filter-btn{
  border-color:rgba(35,26,18,.3);
  background:rgba(35,26,18,.05);
  color:var(--ink);
}
.section--paper .filter-btn[aria-pressed="true"]{
  background:var(--red);
  border-color:var(--red);
  color:var(--white);
}

/* 8 ---------- motion ---------- */
html.js [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.3,1);
}
html.js [data-reveal].is-revealed{opacity:1;transform:none}

[data-topic].is-shown{animation:topicIn .3s ease both}
@keyframes topicIn{
  from{opacity:0;transform:translateY(8px)}
  to{opacity:1;transform:none}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.js [data-reveal]{opacity:1;transform:none;transition:none}
  [data-topic].is-shown{animation:none}
}