/* ===========================================================
   拉菲娱乐注册地 — 共享站点样式 /assets/site.css
   炭墨基底 · 酒窖酒红面板 · 电光青数据高亮
   =========================================================== */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,figcaption,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,picture,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
:target{scroll-margin-top:130px}

/* ---------- 2. Tokens ---------- */
:root{
  --ink:#14100F;
  --ink-2:#0C0908;
  --wine:#5E1B24;
  --wine-hi:#7C2733;
  --clay:#A9704F;
  --rock:#6E6A66;
  --silver:#9FA7AC;
  --paper:#EFE7DA;
  --paper-dim:#D9CFC0;
  --cyan:#43E3D0;
  --moss:#4E6B55;
  --moss-light:#A6C7AC;
  --brass:#C8A26A;
  --line:rgba(159,167,172,.24);
  --line-strong:rgba(159,167,172,.48);
  --shadow:8px 8px 0 rgba(0,0,0,.55);
  --shadow-sm:4px 4px 0 rgba(0,0,0,.5);
  --frame:3px;
  --wrap:1320px;
  --gutter:clamp(16px,4vw,44px);
  --step:24px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

/* ---------- 3. Base ---------- */
body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.7;
  letter-spacing:.01em;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before,body::after{
  content:"";position:fixed;top:0;bottom:0;width:7px;pointer-events:none;z-index:5;
}
body::before{left:0;border-right:1px solid rgba(159,167,172,.16)}
body::after{right:0;border-left:1px solid rgba(159,167,172,.16)}
::selection{background:var(--cyan);color:var(--ink)}

h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(38px,6.6vw,72px);line-height:1.02}
h2{font-size:clamp(27px,4vw,44px);line-height:1.1}
h3{font-size:clamp(19px,2.2vw,26px);line-height:1.3;font-weight:700}
h4{font-size:17px;line-height:1.45;font-weight:700}
strong,b{font-weight:700}
small{font-size:13px}

/* ---------- 4. A11y ---------- */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{
  position:absolute;left:16px;top:-72px;z-index:120;
  display:inline-block;padding:10px 16px;
  background:var(--cyan);color:var(--ink);
  font-size:13px;font-weight:700;letter-spacing:.04em;
  border:3px solid var(--ink);
  transition:top .16s ease;
}
.skip-link:focus{top:14px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* ---------- 5. Layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-inline:var(--gutter)}
.wrap--narrow{max-width:900px}
.section{position:relative;padding-block:clamp(40px,6.5vw,88px)}
.section--wine{background:var(--wine);border-top:var(--frame) solid var(--ink);border-bottom:var(--frame) solid var(--ink)}
.section--deep{background:var(--ink-2)}
.breath-space{height:clamp(48px,9vw,132px)}
.divider{height:1px;border:0;background:var(--line);margin-block:clamp(18px,3vw,32px)}
.grid{display:grid;gap:clamp(18px,2.4vw,32px)}
.grid--7-5{grid-template-columns:1fr}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}

/* ---------- 6. Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  border-bottom:var(--frame) solid var(--wine);
  box-shadow:0 10px 0 rgba(0,0,0,.38);
}
.site-header__inner{
  max-width:var(--wrap);margin:0 auto;
  padding-inline:var(--gutter);
  border-left:1px solid var(--line);
  border-right:1px solid var(--line);
}
.site-header__status{
  display:flex;flex-wrap:wrap;gap:4px 20px;
  align-items:center;justify-content:space-between;
  padding:7px 0;
  border-bottom:1px dashed var(--line);
}
.status-strip{font-size:12.5px;line-height:1.5;color:var(--silver);letter-spacing:.02em}
.status-strip::before{content:"▚";color:var(--cyan);margin-right:8px}
.status-meta{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--clay);white-space:nowrap;
}
.site-header__bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;
  padding:13px 0 12px;
}
.site-header__actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-left:auto}

/* Brand */
.brand{display:flex;align-items:center;gap:12px;flex:1 1 240px;min-width:0}
.brand__mark{
  flex:none;width:44px;height:44px;display:grid;place-items:center;
  background:var(--wine);color:var(--paper);
  border:var(--frame) solid var(--paper);
  box-shadow:var(--shadow-sm);
  font-family:var(--font-mono);font-size:14px;font-weight:700;letter-spacing:.06em;
}
.brand__text{display:flex;flex-direction:column;gap:2px;min-width:0}
.brand__name{font-size:19px;font-weight:800;line-height:1.15;letter-spacing:-.01em;color:var(--paper)}
.brand__sub{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--silver);text-transform:uppercase;
}
.brand:hover .brand__mark{background:var(--wine-hi);border-color:var(--cyan)}
.brand:hover .brand__name{color:var(--cyan)}

/* Nav toggle */
.nav-toggle{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 14px;
  border:var(--frame) solid var(--line-strong);
  color:var(--paper);
  font-size:12.5px;font-weight:700;letter-spacing:.12em;
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle__bars{display:grid;gap:4px;width:20px}
.nav-toggle__bars span{display:block;height:2px;background:var(--paper);transition:background-color .18s ease}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle:hover .nav-toggle__bars span{background:var(--cyan)}
.nav-toggle[aria-expanded="true"]{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span{background:var(--cyan)}

/* Nav */
.site-nav{display:none;background:var(--ink-2);border-top:var(--frame) solid var(--wine)}
.site-nav[data-open]{display:block;max-height:calc(100vh - 130px);overflow-y:auto}
.site-nav__label{display:none}
.site-nav__list{
  display:flex;flex-direction:column;
  max-width:var(--wrap);margin:0 auto;
  padding:6px var(--gutter) 14px;
}
.site-nav__item{border-bottom:1px solid var(--line)}
.site-nav__item:first-child{border-top:1px solid var(--line)}
.site-nav__link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 2px;
  font-size:15px;font-weight:600;color:var(--paper);
  transition:color .18s ease,background-color .18s ease,padding .18s ease;
}
.site-nav__link::after{content:"→";font-family:var(--font-mono);font-size:13px;color:var(--rock)}
.site-nav__link:hover,.site-nav__link:focus-visible{color:var(--cyan)}
.site-nav__link:hover::after,.site-nav__link:focus-visible::after{color:var(--cyan)}
.site-nav__link[aria-current="page"]{
  color:var(--cyan);background:rgba(94,27,36,.5);
  box-shadow:inset 3px 0 0 var(--cyan);padding-left:12px;
}

/* ---------- 7. Footer ---------- */
.site-footer{
  background:var(--ink);
  border-top:var(--frame) solid var(--wine);
  color:var(--paper);
}
.site-footer__inner{
  max-width:var(--wrap);margin:0 auto;
  padding:clamp(36px,6vw,72px) var(--gutter) 26px;
  border-left:1px solid var(--line);
  border-right:1px solid var(--line);
}
.footer-brand__eyebrow{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.28em;
  text-transform:uppercase;color:var(--cyan);
}
.footer-brand__name{
  margin-top:10px;
  font-size:clamp(26px,4.4vw,42px);font-weight:800;
  line-height:1.08;letter-spacing:-.03em;
}
.footer-brand__note{
  margin-top:12px;max-width:46ch;
  font-size:14px;line-height:1.7;color:var(--silver);
}
.footer-grid{
  display:grid;gap:24px;
  grid-template-columns:repeat(2,minmax(0,1fr));
  margin-top:34px;padding-top:26px;
  border-top:1px solid var(--line);
}
.footer-col__title{
  padding-bottom:10px;
  border-bottom:1px solid var(--line);
  font-family:var(--font-mono);font-size:11.5px;font-weight:700;
  letter-spacing:.2em;text-transform:uppercase;color:var(--clay);
}
.footer-col__list{display:grid;gap:9px;margin-top:14px}
.footer-col__link{
  display:inline-block;font-size:14.5px;color:var(--paper);
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease,transform .18s ease;
}
.footer-col__link:hover,.footer-col__link:focus-visible{
  color:var(--cyan);border-bottom-color:var(--cyan);transform:translateX(2px);
}
.footer-contact{
  margin-top:32px;padding:16px 18px;
  background:var(--wine);
  border-left:var(--frame) solid var(--cyan);
  font-size:13.5px;line-height:1.85;color:var(--paper);
}
.footer-legal{
  display:flex;flex-wrap:wrap;gap:8px 20px;
  align-items:center;justify-content:space-between;
  margin-top:20px;padding-top:16px;
  border-top:1px solid var(--line);
}
.footer-legal__item{
  font-family:var(--font-mono);font-size:12px;
  letter-spacing:.05em;color:var(--silver);
}

/* ---------- 8. Buttons & links ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 18px;
  border:var(--frame) solid transparent;
  background:var(--paper);color:var(--ink);
  font-size:13.5px;font-weight:700;letter-spacing:.02em;
  box-shadow:4px 4px 0 rgba(0,0,0,.55);
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease;
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(0,0,0,.6)}
.btn:active{transform:translate(0,0);box-shadow:2px 2px 0 rgba(0,0,0,.5)}
.btn--cta{background:var(--cyan);color:var(--ink);border-color:var(--ink)}
.btn--cta:hover{background:#5FF0DE}
.btn--ghost{background:transparent;color:var(--paper);border-color:var(--line-strong);box-shadow:none}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translate(-2px,-2px)}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;color:var(--cyan);
  border-bottom:2px solid transparent;
  transition:border-color .18s ease;
}
.link-arrow::after{content:"→";transition:transform .18s ease}
.link-arrow:hover{border-bottom-color:var(--cyan)}
.link-arrow:hover::after{transform:translateX(4px)}

/* ---------- 9. Panels ---------- */
.panel{
  position:relative;
  background:var(--ink);
  border:1px solid var(--line);
  padding:clamp(22px,3.4vw,40px);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.panel:hover{
  border-color:var(--wine-hi);
  box-shadow:inset 0 0 0 2px var(--wine-hi),var(--shadow);
  transform:translate(-2px,-2px);
}
.panel--wine{background:var(--wine);border-color:rgba(239,231,218,.2)}
.panel--wine:hover{border-color:var(--cyan);box-shadow:inset 0 0 0 2px var(--cyan),var(--shadow)}
.panel--out{
  background:var(--wine-hi);
  border:var(--frame) solid var(--ink);
  box-shadow:var(--shadow);
}
.panel--flat:hover{border-color:var(--line-strong);box-shadow:none;transform:none}
.stack{display:grid;gap:var(--step)}
.stack > *:nth-child(even){margin-left:var(--step)}

/* ---------- 10. Headings & data ---------- */
.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.26em;
  text-transform:uppercase;color:var(--cyan);
}
.lede{font-size:clamp(17px,1.7vw,20px);line-height:1.65;color:var(--paper-dim);max-width:52ch}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.data-note{
  display:block;margin-top:8px;
  font-family:var(--font-mono);font-size:12px;line-height:1.6;
  letter-spacing:.02em;color:var(--silver);
}
.section-head{
  display:flex;gap:clamp(14px,2.4vw,26px);align-items:flex-start;
  margin-bottom:clamp(20px,3vw,36px);
}
.section-num{
  flex:none;
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(48px,8vw,96px);line-height:.82;
  color:var(--clay);opacity:.72;
}
.section-head__body{flex:1 1 auto;min-width:0;padding-top:6px}
.section-head__body h2{margin-top:6px}
.section-head__body p{margin-top:10px}
.stat-row{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.metric{
  padding:14px 16px;
  border:1px solid var(--line);
  border-left:var(--frame) solid var(--wine-hi);
  background:rgba(20,16,15,.6);
}
.metric__value{
  display:block;
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(20px,2.6vw,28px);line-height:1.2;color:var(--cyan);
}
.metric__label{display:block;margin-top:4px;font-size:12.5px;color:var(--silver)}

/* ---------- 11. Cover ---------- */
.cover{display:grid;gap:clamp(22px,3vw,40px)}
.cover__index{border-top:var(--frame) solid var(--wine)}
.cover__index-item{
  display:flex;gap:14px;align-items:baseline;
  padding:12px 2px;border-bottom:1px solid var(--line);
  transition:background-color .18s ease,padding .18s ease;
}
.cover__index-item:hover{background:rgba(94,27,36,.45);padding-left:10px}
.cover__index-num{
  flex:none;min-width:34px;
  font-family:var(--font-mono);font-size:13px;color:var(--clay);
}
.cover__index-text{font-size:15px;color:var(--paper)}

/* ---------- 12. Table ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--line);background:rgba(20,16,15,.5)}
.scope-table{min-width:560px;font-size:14.5px}
.scope-table caption{
  padding:14px 16px 12px;text-align:left;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--clay);
}
.scope-table th,.scope-table td{
  padding:12px 14px;text-align:left;vertical-align:top;
  border:1px solid var(--line);
}
.scope-table thead th{
  background:rgba(94,27,36,.72);color:var(--paper);
  font-size:13px;letter-spacing:.06em;white-space:nowrap;
}
.scope-table tbody tr{transition:background-color .18s ease,box-shadow .18s ease}
.scope-table tbody tr:hover{background:rgba(94,27,36,.36);box-shadow:inset 3px 0 0 var(--cyan)}
.scope-table__source{
  font-family:var(--font-mono);font-size:12px;color:var(--silver);
  opacity:.6;transition:opacity .18s ease,color .18s ease;
}
.scope-table tbody tr:hover .scope-table__source{opacity:1;color:var(--cyan)}

/* ---------- 13. Timeline ---------- */
.timeline{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(240px,1fr);
  gap:18px;overflow-x:auto;
  padding:20px 4px 22px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  scroll-snap-type:x proximity;
}
.timeline__item{
  scroll-snap-align:start;
  padding:14px 16px;
  border-left:var(--frame) solid var(--wine-hi);
  background:rgba(20,16,15,.62);
  transition:border-color .2s ease,transform .2s ease,background-color .2s ease;
}
.timeline__item:hover{border-left-color:var(--cyan);background:rgba(94,27,36,.4);transform:translateY(-2px)}
.timeline__marker{
  display:block;margin-bottom:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--clay);
}

/* ---------- 14. Accordion ---------- */
.accordion{border-top:1px solid var(--line)}
.accordion__item{border-bottom:1px solid var(--line)}
.accordion__btn{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:16px 4px;text-align:left;
  font-size:16px;font-weight:700;color:var(--paper);
  transition:color .18s ease,padding .18s ease;
}
.accordion__btn::after{content:"+";font-family:var(--font-mono);font-size:20px;line-height:1;color:var(--cyan)}
.accordion__btn[aria-expanded="true"]::after{content:"–"}
.accordion__btn:hover,.accordion__btn:focus-visible{color:var(--cyan);padding-left:10px}
.accordion__panel{padding:0 4px 18px;font-size:15px;color:var(--silver)}
.accordion__panel[hidden]{display:none}

/* ---------- 15. Misc components ---------- */
.list-num{display:grid}
.list-num__item{
  display:grid;grid-template-columns:auto 1fr;gap:14px;
  padding:14px 0;border-bottom:1px solid var(--line);
}
.list-num__idx{font-family:var(--font-mono);font-size:13px;color:var(--clay);padding-top:3px}
.note-block{
  padding:12px 16px;
  border-left:var(--frame) solid var(--clay);
  background:rgba(169,112,79,.12);
  font-size:14.5px;color:var(--paper);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 9px;border:1px solid var(--line-strong);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;
  color:var(--silver);
}
.tag--cyan{color:var(--cyan);border-color:var(--cyan)}
.tag--moss{color:var(--moss-light);border-color:var(--moss)}
.tag--brass{color:var(--brass);border-color:var(--brass)}
.float-card{
  padding:clamp(16px,2vw,24px);
  background:var(--wine-hi);
  border:var(--frame) solid var(--ink);
  box-shadow:var(--shadow);
}
.crumbs{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--silver);
}
.crumbs a{border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease}
.crumbs a:hover,.crumbs a:focus-visible{color:var(--cyan);border-bottom-color:var(--cyan)}
.crumbs__sep{color:var(--rock)}
.crumbs [aria-current="page"]{color:var(--paper)}
.copy-email{
  display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:10px 14px;border:1px solid var(--line-strong);
  font-family:var(--font-mono);font-size:14px;color:var(--paper);
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.copy-email:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.copy-email__hint{font-family:var(--font-sans);font-size:12px;color:var(--silver)}
.copy-email[data-copied="true"]{border-color:var(--moss);color:var(--moss-light)}
.copy-email[data-copied="true"] .copy-email__hint{color:var(--moss-light)}

/* ---------- 16. Media frames ---------- */
.media-frame{
  position:relative;overflow:hidden;
  aspect-ratio:16/10;
  border:var(--frame) solid var(--wine);
  background:linear-gradient(150deg,var(--wine) 0%,var(--ink) 64%);
  box-shadow:var(--shadow);
}
.media-frame img{
  width:100%;height:100%;object-fit:cover;
  filter:saturate(.92) contrast(1.04);
}
.media-frame__caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:10px 12px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.05em;
  color:var(--paper);
  background:linear-gradient(180deg,rgba(20,16,15,0),rgba(20,16,15,.94));
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:4/5}

/* ---------- 17. Motion ---------- */
.scroll-progress{
  position:fixed;left:0;top:0;height:3px;width:0;
  background:var(--cyan);z-index:90;pointer-events:none;
}
.to-top{
  position:fixed;right:18px;bottom:18px;z-index:80;
  display:grid;place-items:center;width:46px;height:46px;
  background:var(--wine);color:var(--paper);
  border:var(--frame) solid var(--paper);
  box-shadow:var(--shadow-sm);
  font-family:var(--font-mono);font-size:16px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease,background-color .2s ease;
}
.to-top[data-visible="true"]{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--wine-hi);color:var(--cyan);border-color:var(--cyan)}
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
[data-reveal][data-reveal-in]{opacity:1;transform:none}

/* ---------- 18. Tablet ---------- */
@media (min-width:760px){
  .footer-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .stack > *:nth-child(even){margin-left:var(--step)}
}

/* ---------- 19. Desktop frame nav ---------- */
@media (min-width:900px){
  .nav-toggle{display:none}
  .site-header__bar{padding:15px 0 14px}
  .brand__name{font-size:21px}
  .site-nav{
    display:flex;align-items:stretch;
    border-top:var(--frame) solid var(--wine);
    background:var(--ink-2);
  }
  .site-nav[data-open]{display:flex;max-height:none;overflow:visible}
  .site-nav__label{
    display:flex;align-items:center;justify-content:center;
    writing-mode:vertical-rl;
    padding:10px 9px;
    border-right:var(--frame) solid var(--wine);
    font-family:var(--font-mono);font-size:10px;letter-spacing:.34em;
    text-transform:uppercase;color:var(--clay);
  }
  .site-nav__list{
    flex-direction:row;flex-wrap:wrap;align-items:stretch;
    width:100%;max-width:var(--wrap);margin:0 auto;
    padding:0 var(--gutter);
  }
  .site-nav__item{flex:1 1 auto;min-width:118px;border-bottom:0;border-right:1px solid var(--line)}
  .site-nav__item:first-child{border-top:0;border-left:1px solid var(--line)}
  .site-nav__link{justify-content:center;padding:14px 10px;font-size:14px}
  .site-nav__link::after{content:none}
  .site-nav__link[aria-current="page"]{
    background:var(--wine);color:var(--paper);
    box-shadow:inset 0 -3px 0 var(--cyan);padding-left:10px;
  }
  .grid--7-5{grid-template-columns:7fr 5fr}
  .cover{grid-template-columns:7fr 5fr;align-items:start}
  .float-card--out{margin-right:calc(var(--gutter) * -1);margin-top:-28px}
}

/* ---------- 20. Mobile fine-tuning ---------- */
@media (max-width:520px){
  .btn{padding:10px 13px;font-size:12.5px}
  .nav-toggle{padding:10px 11px}
  .nav-toggle__text{display:none}
  .section-num{opacity:.55}
  .stack > *:nth-child(even){margin-left:12px}
  .to-top{right:12px;bottom:12px}
}

/* ---------- 21. 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;
  }
  [data-reveal]{opacity:1;transform:none}
  .panel:hover,.btn:hover,.to-top{transform:none}
  .footer-col__link:hover{transform:none}
}