/* ============================================================
   趣体育看台 · 共享样式表 /assets/site.css
   看台阶梯构图 · 悬浮胶囊导航 · 矿物色体系
   ============================================================ */

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img,svg,video{display:block;max-width:100%}
[hidden]{display:none !important}

/* ---------- tokens ---------- */
:root{
  --ink:#0B3B2E;
  --ink-deep:#08281F;
  --lava:#FF5A1F;
  --lava-dark:#10251D;
  --concrete:#D9D4CC;
  --night:#1B2A41;
  --chalk:#F4F1EA;
  --moss:#2F6B4F;
  --clay:#B4552B;
  --rock:#4A4A47;
  --spot:#E8C547;

  --line:rgba(11,59,46,.14);
  --rail:rgba(11,59,46,.22);

  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --font-hand:"Kaiti SC",STKaiti,"KaiTi","楷体",serif;

  --wrap:1200px;
  --step:24px;
  --shadow-soft:0 12px 30px -22px rgba(11,59,46,.7);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- base ---------- */
body{
  background-color:var(--chalk);
  background-image:radial-gradient(rgba(11,59,46,.045) 1px,transparent 1.4px);
  background-size:16px 16px;
  color:var(--rock);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.75;
  min-height:100vh;
  padding-top:92px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink);line-height:1.25;font-weight:900;letter-spacing:-.3px;text-wrap:balance}
h1{font-size:clamp(28px,4.6vw,42px)}
h2{font-size:clamp(22px,3.2vw,30px)}
h3{font-size:clamp(18px,2.2vw,22px);font-weight:700}
h4{font-size:17px;font-weight:700}
p{text-wrap:pretty}
a{color:var(--clay);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
strong,b{color:var(--ink);font-weight:700}
:focus-visible{outline:3px solid var(--lava);outline-offset:2px;border-radius:6px}

.visually-hidden{position:absolute !important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- layout ---------- */
.container{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:20px}
.section{padding-block:52px}
.section--tight{padding-block:30px}

.grid{display:grid;gap:22px;grid-template-columns:1fr}
.grid--auto{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
@media (min-width:760px){
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
}

/* 看台阶梯错层 */
.stair{display:grid;gap:22px;grid-template-columns:1fr}
@media (min-width:860px){
  .stair{grid-template-columns:repeat(12,minmax(0,1fr));align-items:start}
  .stair__item{grid-column:span 4}
  .stair__item--wide{grid-column:span 6}
  .stair__item--full{grid-column:span 12}
  .stair__item:nth-child(3n+2){margin-top:24px}
  .stair__item:nth-child(3n+3){margin-top:48px}
}

/* ---------- type utilities ---------- */
.display{
  display:inline-block;
  font-family:var(--font-display);
  font-weight:900;
  letter-spacing:-.5px;
  color:var(--ink);
  font-size:clamp(30px,5.2vw,48px);
  line-height:1.12;
  transform:skewX(-4deg);
  transform-origin:left center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--moss);
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--lava);border-radius:2px;flex:0 0 auto}
.label-mono{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--moss)}
.hand{font-family:var(--font-hand);font-size:18px;color:var(--ink);letter-spacing:.04em}

.prose{max-width:38em}
.prose > * + *{margin-top:1.05em}
.prose h2{margin-top:1.9em}
.prose h3{margin-top:1.5em}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{list-style:disc;margin-top:.4em}
.prose ol li{list-style:decimal}
.prose blockquote{border-left:3px solid var(--moss);padding-left:16px;color:var(--moss)}
.prose a{color:var(--clay);text-decoration:underline}
.prose code{font-family:var(--font-mono);font-size:.92em;background:var(--concrete);padding:2px 6px;border-radius:5px;color:var(--ink)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:15px;line-height:1.4;text-decoration:none;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn--primary{background:var(--lava);color:var(--lava-dark)}
.btn--primary:hover{background:#ff6f3c;color:var(--lava-dark)}
.btn--ghost{background:transparent;border-color:var(--rail);color:var(--ink)}
.btn--ghost:hover{background:var(--concrete);border-color:var(--ink)}
.btn--night{background:var(--night);color:var(--chalk)}
.btn--night:hover{background:var(--ink);color:var(--chalk)}

/* ---------- tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;
  padding:5px 10px;border-radius:6px;background:var(--concrete);color:var(--ink);
  border:1px solid rgba(11,59,46,.1);white-space:nowrap;
}
.tag--accent{background:rgba(255,90,31,.12);border-color:rgba(255,90,31,.4);color:var(--clay)}
.tag--live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--spot);box-shadow:0 0 0 4px rgba(232,197,71,.22)}

/* ---------- panels ---------- */
.panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.panel--concrete{background:var(--concrete);border-color:rgba(11,59,46,.1)}
.panel--ink{background:var(--ink);color:rgba(244,241,234,.86);border-color:rgba(244,241,234,.12)}
.panel--ink h2,.panel--ink h3{color:var(--chalk)}
.panel--night{background:var(--night);color:rgba(244,241,234,.86);border-color:rgba(244,241,234,.12)}
.panel--night h2,.panel--night h3{color:var(--chalk)}
.rail{border:1px solid var(--rail);transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.rail:hover{border-color:var(--lava);box-shadow:0 0 0 1px rgba(255,90,31,.25)}

/* ---------- scoreboard ---------- */
.scoreboard{
  position:relative;overflow:hidden;
  background:var(--ink);color:var(--chalk);
  border:1px solid rgba(244,241,234,.14);border-radius:16px;padding:22px 24px;
}
.scoreboard::after{
  content:"";position:absolute;right:-40px;bottom:-70px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.35),transparent 68%);pointer-events:none;
}
.scoreboard__value{
  display:block;font-family:var(--font-mono);font-weight:700;
  font-size:clamp(38px,7vw,62px);line-height:1;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;color:var(--lava);
}
.scoreboard__label{
  display:block;margin-top:10px;font-family:var(--font-mono);font-size:11.5px;
  letter-spacing:.14em;text-transform:uppercase;color:rgba(244,241,234,.62);
}

/* ---------- ticket card ---------- */
.ticket-card{
  position:relative;display:flex;flex-direction:column;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;
}
.ticket-card::before,.ticket-card::after{
  content:"";position:absolute;top:50%;width:14px;height:14px;border-radius:50%;
  background:var(--chalk);border:1px solid var(--line);transform:translateY(-50%);
}
.ticket-card::before{left:-8px;border-right-color:transparent}
.ticket-card::after{right:-8px;border-left-color:transparent}
.ticket-card__head{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--moss);
}
.ticket-card__body{font-size:15.5px;color:var(--rock)}
.ticket-card__meta{
  display:flex;flex-wrap:wrap;gap:8px;
  border-top:1px dashed rgba(11,59,46,.22);padding-top:12px;
}

/* ---------- media frames ---------- */
.media-frame{
  position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;
  border-radius:14px;border:1px solid var(--line);
  background:linear-gradient(140deg,var(--night) 0%,var(--ink) 100%);
}
.media-frame img{width:100%;height:100%;object-fit:cover;object-position:center}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame__caption{
  position:absolute;left:12px;bottom:12px;max-width:calc(100% - 24px);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--chalk);background:rgba(11,59,46,.74);padding:5px 9px;border-radius:6px;
}

/* ---------- index groups ---------- */
.index-group{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.index-group + .index-group{margin-top:12px}
.index-group__trigger{
  display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;
  padding:16px 18px;text-align:left;font-weight:700;color:var(--ink);font-size:16.5px;
  transition:background .2s var(--ease);
}
.index-group__trigger:hover{background:var(--concrete)}
.index-group__icon{font-family:var(--font-mono);font-size:16px;color:var(--lava);transition:transform .28s var(--ease);flex:0 0 auto}
.index-group__trigger[aria-expanded="true"] .index-group__icon{transform:rotate(45deg)}
.index-group__panel{overflow:hidden;transition:height .3s var(--ease);padding:0 18px 0}
.index-group__panel > *:last-child{padding-bottom:18px}
.index-group__panel > *:first-child{padding-top:2px}

/* ---------- filter bar ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:8px}
.filter-chip{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
  padding:7px 13px;border-radius:999px;border:1px solid var(--rail);color:var(--rock);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.filter-chip:hover{border-color:var(--lava);color:var(--ink)}
.filter-chip[aria-pressed="true"]{background:var(--ink);color:var(--chalk);border-color:var(--ink)}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--moss);
}
.breadcrumb__item{color:var(--moss);text-decoration:none}
.breadcrumb__item:hover{color:var(--clay)}
.breadcrumb__item[aria-current="page"]{color:var(--rock)}
.breadcrumb__sep{color:var(--rail)}

/* ---------- motion helpers ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease);transition-delay:calc(var(--reveal-i,0) * 70ms)}
.reveal.is-visible{opacity:1;transform:none}

.scroll-progress{
  position:fixed;top:0;left:0;width:100%;height:3px;z-index:120;
  transform:scaleX(0);transform-origin:0 50%;pointer-events:none;
  background:linear-gradient(90deg,var(--lava),var(--spot));
}
.to-top{
  position:fixed;right:18px;bottom:18px;z-index:110;
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--ink);color:var(--chalk);font-size:18px;
  border:1px solid rgba(244,241,234,.2);box-shadow:var(--shadow-soft);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s,background .2s var(--ease);
}
.to-top:hover{background:var(--lava);color:var(--lava-dark)}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}

/* ============================================================
   skip link
   ============================================================ */
.skip-link{
  position:fixed;left:16px;top:-70px;z-index:200;
  padding:11px 20px;border-radius:999px;
  background:var(--ink);color:var(--chalk);font-weight:700;font-size:14px;text-decoration:none;
  transition:top .22s var(--ease);
}
.skip-link:focus{top:14px;text-decoration:none}

/* ============================================================
   header · 悬浮胶囊导航
   ============================================================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:14px 18px;pointer-events:none;
}
.site-header__inner{
  position:relative;pointer-events:auto;
  max-width:var(--wrap);margin:0 auto;
  display:flex;align-items:center;gap:14px;
  padding:8px 10px 8px 12px;
  background:rgba(244,241,234,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:999px;
  box-shadow:0 12px 30px -22px rgba(11,59,46,.7);
  transition:padding .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header[data-scrolled] .site-header__inner{
  padding:5px 8px 5px 10px;
  background:rgba(244,241,234,.95);
  box-shadow:0 10px 26px -18px rgba(11,59,46,.55);
}

/* brand */
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);text-decoration:none}
.brand:hover{text-decoration:none}
.brand__mark{
  width:36px;height:36px;flex:0 0 auto;border-radius:11px;
  display:grid;place-items:center;
  background:var(--ink);color:var(--chalk);
  font-family:var(--font-display);font-weight:900;font-size:17px;
  transform:skewX(-4deg);
  box-shadow:inset 0 -3px 0 rgba(255,90,31,.65);
}
.brand__text{display:flex;align-items:baseline;gap:8px;min-width:0}
.brand__name{font-family:var(--font-display);font-weight:900;font-size:16.5px;letter-spacing:-.2px;color:var(--ink);white-space:nowrap}
.brand__sub{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--moss);border:1px solid rgba(47,107,79,.35);border-radius:5px;padding:2px 6px;
  white-space:nowrap;overflow:hidden;max-width:6em;
  transition:opacity .25s var(--ease),max-width .3s var(--ease),padding .3s var(--ease),border-width .3s var(--ease);
}
.site-header[data-scrolled] .brand__sub{opacity:0;max-width:0;padding-inline:0;border-width:0}

/* capsule nav */
.cap-nav{flex:1 1 auto;display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0}
.cap-nav__list{display:flex;align-items:center;gap:2px;min-width:0}
.cap-nav__link{
  display:inline-block;padding:8px 13px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--ink);white-space:nowrap;text-decoration:none;
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.cap-nav__link:hover{background:rgba(217,212,204,.85);text-decoration:none}
.cap-nav__link[aria-current="page"]{background:var(--ink);color:var(--chalk);font-weight:700}
.cap-nav__aside{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.cap-nav__index{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--rock);padding:7px 11px;border:1px solid var(--rail);border-radius:999px;
  white-space:nowrap;text-decoration:none;transition:border-color .2s var(--ease),color .2s var(--ease);
}
.cap-nav__index:hover{border-color:var(--lava);color:var(--ink);text-decoration:none}
.cap-nav__cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;
  background:var(--lava);color:var(--lava-dark);
  font-weight:800;font-size:14px;white-space:nowrap;text-decoration:none;
  box-shadow:0 8px 18px -12px rgba(255,90,31,.95);
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.cap-nav__cta::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lava-dark);opacity:.75}
.cap-nav__cta:hover{background:#ff6f3c;text-decoration:none;transform:translateY(-1px)}

/* nav toggle */
.nav-toggle{
  display:none;position:relative;width:42px;height:42px;flex:0 0 auto;
  border-radius:999px;background:var(--concrete);border:1px solid var(--line);
}
.nav-toggle__bar{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:var(--ink);
  transform:translateX(-50%);
  transition:transform .25s var(--ease),opacity .2s var(--ease);
}
.nav-toggle__bar:nth-child(1){top:15px}
.nav-toggle__bar:nth-child(2){top:20px}
.nav-toggle__bar:nth-child(3){top:25px}
.site-header[data-open] .nav-toggle__bar:nth-child(1){transform:translateX(-50%) translateY(5px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bar:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle__bar:nth-child(3){transform:translateX(-50%) translateY(-5px) rotate(-45deg)}

@media (max-width:1120px) and (min-width:961px){
  .cap-nav__link{padding:7px 10px;font-size:13.5px}
  .cap-nav__index{display:none}
}

/* ============================================================
   footer
   ============================================================ */
.site-footer{
  position:relative;overflow:hidden;margin-top:72px;
  background:var(--ink);color:rgba(244,241,234,.78);
}
.site-footer::before{
  content:"";position:absolute;inset:0 0 auto 0;height:6px;
  background:repeating-linear-gradient(90deg,
    var(--lava) 0 26px,rgba(244,241,234,.18) 26px 30px,
    var(--moss) 30px 56px,rgba(244,241,234,.18) 56px 60px);
  opacity:.8;
}
.site-footer::after{
  content:"";position:absolute;left:-12%;bottom:-45%;width:62%;height:130%;pointer-events:none;
  background:radial-gradient(circle,rgba(255,90,31,.2),transparent 66%);
}
.site-footer__inner{position:relative;z-index:1;max-width:var(--wrap);margin:0 auto;padding:58px 20px 28px}

.footer__top{display:grid;grid-template-columns:minmax(220px,1fr) 1.7fr 1.25fr;gap:38px}
.footer__brand{display:flex;flex-direction:column;gap:14px}
.footer__brand-line{font-size:15px;line-height:1.7;color:rgba(244,241,234,.72);max-width:24em}

.brand--footer{color:var(--chalk)}
.brand--footer .brand__mark{background:var(--lava);color:var(--lava-dark);box-shadow:inset 0 -3px 0 rgba(11,59,46,.35)}
.brand--footer .brand__name{color:var(--chalk)}
.brand--footer .brand__sub{color:var(--spot);border-color:rgba(232,197,71,.45)}

.footer__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.footer__col{min-width:0}
.footer__title{
  font-family:var(--font-mono);font-size:12px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--spot);
  margin-bottom:14px;line-height:1.4;
}
.footer__links{display:grid;gap:10px}
.footer__link{
  display:inline-flex;align-items:center;gap:8px;
  color:rgba(244,241,234,.8);font-size:15px;text-decoration:none;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer__link::before{content:"";width:10px;height:1px;background:rgba(244,241,234,.35);transition:width .22s var(--ease),background .22s var(--ease)}
.footer__link:hover{color:var(--chalk);text-decoration:none;transform:translateX(2px)}
.footer__link:hover::before{width:16px;background:var(--lava)}

.footer__contact{min-width:0}
.footer__contact-list{display:grid;gap:12px}
.footer__contact-row{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:center;
  padding-bottom:10px;border-bottom:1px solid rgba(244,241,234,.12);
  font-size:14.5px;line-height:1.5;
}
.footer__contact-label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:rgba(244,241,234,.55);white-space:nowrap;
}
.footer__contact-value{color:rgba(244,241,234,.9);word-break:break-word}
.copy-btn{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  padding:5px 10px;border-radius:999px;white-space:nowrap;
  border:1px solid rgba(244,241,234,.26);color:rgba(244,241,234,.85);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.copy-btn:hover{border-color:var(--lava);color:var(--chalk)}
.copy-btn.is-done{background:var(--lava);border-color:var(--lava);color:var(--lava-dark)}

.footer__base{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(244,241,234,.14);
  font-size:13px;color:rgba(244,241,234,.6);
}
.footer__legal{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em}
.footer__closing{font-family:var(--font-hand);font-size:16px;color:var(--spot);letter-spacing:.05em}

/* ============================================================
   responsive
   ============================================================ */
@media (max-width:1024px){
  .footer__top{grid-template-columns:1fr 1fr;gap:30px}
  .footer__contact{grid-column:1 / -1}
}

@media (max-width:960px){
  body{padding-top:78px}
  .site-header{padding:10px 12px}
  .site-header__inner{padding:7px 10px;border-radius:22px}
  .nav-toggle{display:block}

  .cap-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:10px;
    padding:14px;border-radius:20px;background:var(--ink);
    box-shadow:0 26px 50px -26px rgba(11,59,46,.9);
    max-height:calc(100vh - 130px);overflow:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  }
  .site-header[data-open] .cap-nav{opacity:1;visibility:visible;transform:none}
  .site-header[data-scrolled] .brand__sub{opacity:1;max-width:6em;padding-inline:6px;border-width:1px}

  .cap-nav__list{flex-direction:column;align-items:stretch;gap:2px}
  .cap-nav__link{color:rgba(244,241,234,.9);padding:12px 14px;font-size:16px;border-radius:12px}
  .cap-nav__link:hover{background:rgba(244,241,234,.1)}
  .cap-nav__link[aria-current="page"]{background:var(--lava);color:var(--lava-dark)}
  .cap-nav__aside{flex-direction:column;align-items:stretch;gap:8px;border-top:1px solid rgba(244,241,234,.14);padding-top:12px}
  .cap-nav__index{display:block;text-align:center;color:rgba(244,241,234,.75);border-color:rgba(244,241,234,.24);padding:10px}
  .cap-nav__cta{justify-content:center;padding:12px 16px;font-size:15px}
}

@media (max-width:640px){
  body{font-size:16px}
  .container{padding-inline:16px}
  .section{padding-block:36px}
  .section--tight{padding-block:22px}
  .site-footer__inner{padding:44px 16px 24px}
  .footer__top{grid-template-columns:1fr;gap:28px}
  .footer__grid{grid-template-columns:1fr 1fr}
  .footer__base{margin-top:32px;flex-direction:column;align-items:flex-start;gap:8px}
  .footer__contact-row{grid-template-columns:auto minmax(0,1fr);row-gap:6px}
  .copy-btn{grid-column:2;justify-self:start}
  .to-top{right:12px;bottom:12px;width:42px;height:42px}
  .brand__sub{display:none}
}

/* ============================================================
   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;
    transition-delay:0ms !important;
  }
  .reveal{opacity:1;transform:none}
  .site-header[data-scrolled] .brand__sub{opacity:1;max-width:6em;padding-inline:6px;border-width:1px}
}