/* =========================================================
   苹果澳门品牌 · 共享样式 /assets/site.css
   深空底色 + 霓虹青 / 暖橙 / 离岛绿松石三色节奏
   ========================================================= */

/* ---------- 1. Tokens ---------- */
:root{
  --ink:#060F14;
  --graphite:#0F1E25;
  --cyan:#14E3D2;
  --orange:#FF7A2C;
  --teal:#2FC2A6;
  --silver:#C6D2D8;
  --white:#F4F8F9;
  --mist:#7C8D96;
  --cyan-soft:#BFF3EC;
  --sand:#FFD9BF;
  --light:#EEF3F4;

  --bg:var(--ink);
  --line:rgba(198,210,216,.14);
  --line-strong:rgba(20,227,210,.34);

  --shell:1280px;
  --gutter:clamp(18px,4vw,48px);
  --header-h:108px;

  --font-display:"PingFang SC","Helvetica Neue","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Helvetica Neue","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  --ease:cubic-bezier(.22,.61,.36,1);
  --r-sm:4px;
  --r-md:10px;
  --r-lg:18px;
  --r-pill:999px;
  --shadow-1:0 20px 48px -30px rgba(0,0,0,.92);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0}
img,svg,video{max-width:100%;height:auto;display:block}
button{font:inherit;color:inherit}
ul,ol{padding-left:1.2em}
table{border-collapse:collapse}

/* ---------- 3. Base type ---------- */
body{
  background:var(--bg);
  color:var(--silver);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(58vw 40vw at 10% -8%,rgba(20,227,210,.16),transparent 62%),
    radial-gradient(46vw 34vw at 94% 4%,rgba(255,122,44,.13),transparent 64%),
    radial-gradient(70vw 50vw at 50% 112%,rgba(47,194,166,.10),transparent 62%);
}
h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  color:var(--white);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.18;
  margin:0 0 .6em;
  text-wrap:balance;
}
h1{font-size:clamp(34px,5.4vw,76px);font-weight:900}
h2{font-size:clamp(26px,3.6vw,44px)}
h3{font-size:clamp(20px,2.3vw,28px)}
h4{font-size:18px}
p{margin:0 0 1.1em}
a{color:var(--cyan);text-decoration-color:rgba(20,227,210,.42);text-underline-offset:3px}
a:hover{color:var(--cyan-soft)}
.mono,time,[data-year]{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.06em;
}
.muted{color:var(--mist)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:3px}
:target,section[id],article[id],h2[id],h3[id]{scroll-margin-top:calc(var(--header-h) + 24px)}

/* ---------- 4. Layout ---------- */
.shell{width:min(var(--shell),100% - var(--gutter) * 2);margin-inline:auto}
.section{padding:clamp(56px,7vw,110px) 0;position:relative}
.section--tight{padding:clamp(32px,4vw,56px) 0}
.band--graphite{
  background:linear-gradient(180deg,rgba(15,30,37,.74),rgba(15,30,37,.34));
  border-block:1px solid var(--line);
}
.band--cyan{background:linear-gradient(150deg,rgba(20,227,210,.14),rgba(47,194,166,.07))}
.band--sand{background:linear-gradient(160deg,var(--sand),#FFF1E6);color:#3B2317}
.band--light{background:var(--light);color:#12232A}
.band--light h1,.band--light h2,.band--light h3,.band--light h4{color:#08151B}
.band--light .muted,.band--sand .muted{color:#4C5F69}
.band--light a,.band--sand a{color:#0A6E66}

.section-head{max-width:760px;margin-bottom:clamp(28px,4vw,52px)}
.eyebrow{
  display:flex;
  align-items:center;
  gap:10px;
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--cyan);
}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;opacity:.75}
.section-title{margin:0 0 .5em}
.section-lead{max-width:62ch;margin:0;color:var(--mist);font-size:17px}
.prose{max-width:68ch}
.prose h2{margin-top:1.6em}
.prose ul li{margin-bottom:.4em}

/* ---------- 5. Grid ---------- */
.grid{display:grid;gap:clamp(16px,2.2vw,28px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid--sidebar{grid-template-columns:minmax(180px,236px) minmax(0,1fr);gap:clamp(20px,3vw,48px);align-items:start}

/* ---------- 6. Header ---------- */
.skip-link{
  position:absolute;
  left:-9999px;
  top:0;
  z-index:200;
  padding:12px 20px;
  background:var(--cyan);
  color:var(--ink);
  font-weight:700;
  text-decoration:none;
  border-radius:0 0 var(--r-sm) 0;
}
.skip-link:focus{left:0;color:var(--ink)}

.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(6,15,20,.78);
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease);
}
.site-header[data-scrolled="true"]{background:rgba(6,15,20,.95)}

.utility-bar{
  border-bottom:1px solid rgba(198,210,216,.10);
  background:linear-gradient(90deg,rgba(20,227,210,.10),rgba(255,122,44,.08) 58%,rgba(47,194,166,.10));
}
.utility-bar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:38px;
  font-size:12.5px;
  line-height:1.5;
}
.utility-bar__brand{margin:0;color:var(--cyan-soft);letter-spacing:.02em}
.utility-bar__list{
  display:flex;
  align-items:center;
  gap:0;
  margin:0;
  padding:0;
  list-style:none;
  color:var(--mist);
  white-space:nowrap;
}
.utility-item{padding:0 14px;border-left:1px solid rgba(198,210,216,.16)}
.utility-item:first-child{padding-left:0;border-left:0}
.utility-item:last-child{padding-right:0}
.utility-item .mono{color:var(--white)}

.nav-bar__inner{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:clamp(12px,2vw,32px);
  min-height:68px;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  color:var(--white);
}
.brand__mark{display:flex;flex-direction:column;gap:3px;width:17px;flex:none}
.brand__mark i{display:block;height:3px;border-radius:2px}
.brand__mark i:nth-child(1){width:100%;background:var(--orange)}
.brand__mark i:nth-child(2){width:72%;background:var(--cyan)}
.brand__mark i:nth-child(3){width:46%;background:var(--teal)}
.brand__text{display:flex;flex-direction:column}
.brand__name{
  font-family:var(--font-display);
  font-weight:900;
  font-size:20px;
  letter-spacing:-.02em;
  line-height:1.12;
}
.brand__sub{font-size:10px;letter-spacing:.18em;color:var(--mist);line-height:1.4}
.brand:hover .brand__name{color:var(--cyan-soft)}

.primary-nav{justify-self:center}
.primary-nav__list{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0;
  padding:0;
  list-style:none;
  counter-reset:navidx;
}
.primary-nav__list li{counter-increment:navidx;margin:0}
.primary-nav__list a{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:7px;
  padding:9px 14px;
  border-radius:var(--r-sm);
  color:var(--silver);
  font-size:15px;
  text-decoration:none;
  transition:color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.primary-nav__list a::before{
  content:"0" counter(navidx);
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:.08em;
  color:var(--mist);
  opacity:.9;
}
.primary-nav__list a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  background:var(--cyan);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.primary-nav__list a:hover{color:var(--white);background:rgba(20,227,210,.07)}
.primary-nav__list a:hover::after{transform:scaleX(1)}
.primary-nav__list a[aria-current="page"]{
  color:var(--white);
  background:rgba(20,227,210,.13);
  box-shadow:inset 0 0 0 1px rgba(20,227,210,.30);
}
.primary-nav__list a[aria-current="page"]::before{color:var(--cyan)}
.primary-nav__list a[aria-current="page"]::after{transform:scaleX(1)}
.primary-nav__cta{display:none}

.nav-bar__actions{display:flex;align-items:center;gap:10px;justify-self:end}

.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:40px;
  padding:0;
  border:1px solid var(--line-strong);
  border-radius:var(--r-sm);
  background:rgba(20,227,210,.07);
  cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:rgba(20,227,210,.14)}
.nav-toggle__bars{display:flex;flex-direction:column;gap:4px;width:18px}
.nav-toggle__bars i{
  display:block;
  height:2px;
  background:var(--cyan);
  transition:transform .22s var(--ease),opacity .18s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.header-progress{
  position:absolute;
  left:0;
  bottom:-1px;
  width:100%;
  height:2px;
  transform:scaleX(0);
  transform-origin:left center;
  background:linear-gradient(90deg,var(--cyan),var(--teal) 55%,var(--orange));
  pointer-events:none;
  will-change:transform;
}

/* ---------- 7. Footer ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,120px);
  padding:clamp(40px,5vw,72px) 0 32px;
  background:linear-gradient(180deg,rgba(15,30,37,.88),rgba(6,15,20,.99));
  border-top:1px solid var(--line);
  color:var(--silver);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  right:0;
  height:2px;
  opacity:.75;
  background:linear-gradient(90deg,var(--orange),var(--cyan) 42%,var(--teal));
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(280px,1.1fr) minmax(0,2fr);
  gap:clamp(28px,4vw,64px);
}
.footer-brand__name{
  margin:0 0 10px;
  font-family:var(--font-display);
  font-weight:900;
  font-size:26px;
  letter-spacing:-.02em;
  color:var(--white);
}
.footer-brand__line{max-width:40ch;margin:0 0 20px;font-size:15px;color:var(--mist)}
.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,3vw,40px);
}
.footer-col__title{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.2em;
  color:var(--cyan);
}
.footer-col ul{margin:0;padding:0;list-style:none}
.footer-col li{margin-bottom:2px}
.footer-col a{
  display:inline-block;
  padding:5px 0;
  font-size:15px;
  color:var(--silver);
  text-decoration:none;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:var(--cyan);transform:translateX(3px)}
.footer-meta{
  display:grid;
  gap:10px;
  margin-top:clamp(28px,4vw,48px);
  padding-top:24px;
  border-top:1px dashed rgba(198,210,216,.18);
}
.footer-contact{margin:0;font-size:14.5px;color:var(--silver)}
.footer-note{margin:0;max-width:70ch;font-size:13px;color:var(--mist)}
.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  margin-top:6px;
  font-size:13px;
  color:var(--mist);
}
.footer-legal .mono{color:var(--silver)}
.footer-copy{letter-spacing:.02em}
.site-top{align-self:flex-start;margin-top:2px}

/* ---------- 8. Components ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 22px;
  border:1px solid transparent;
  border-radius:var(--r-sm);
  background:var(--graphite);
  color:var(--white);
  font-family:var(--font-body);
  font-size:15px;
  font-weight:700;
  line-height:1;
  text-decoration:none;
  cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{
  background:linear-gradient(120deg,var(--orange),#FF9A55);
  color:#1A0C03;
  box-shadow:0 14px 32px -18px rgba(255,122,44,.95);
}
.btn--primary:hover{background:linear-gradient(120deg,#FF8B45,#FFB077);color:#1A0C03}
.btn--ghost{
  background:rgba(20,227,210,.08);
  border-color:rgba(20,227,210,.42);
  color:var(--cyan-soft);
}
.btn--ghost:hover{background:rgba(20,227,210,.17);border-color:var(--cyan);color:var(--white)}
.btn--quiet{background:transparent;border-color:var(--line);color:var(--silver)}
.btn--quiet:hover{background:rgba(198,210,216,.07);border-color:var(--silver);color:var(--white)}
.btn--sm{padding:10px 16px;font-size:13.5px}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 10px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:rgba(15,30,37,.6);
  color:var(--silver);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.12em;
  white-space:nowrap;
}
.tag--retail{color:var(--sand);border-color:rgba(255,122,44,.44);background:rgba(255,122,44,.12)}
.tag--biz{color:var(--cyan-soft);border-color:rgba(20,227,210,.40);background:rgba(20,227,210,.10)}
.tag--service{color:#9BE8D8;border-color:rgba(47,194,166,.44);background:rgba(47,194,166,.12)}
.tag--new{color:#1A0C03;background:var(--orange);border-color:transparent;font-weight:700}

.dot{
  display:block;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--silver);
  box-shadow:0 0 0 3px rgba(198,210,216,.14);
}
.line-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:0 0 22px;
  padding:0;
  list-style:none;
}
.line-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 12px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(6,15,20,.55);
  color:var(--silver);
  font-size:13.5px;
}
.line-chip--retail .dot{background:var(--orange);box-shadow:0 0 0 3px rgba(255,122,44,.20)}
.line-chip--biz .dot{background:var(--cyan);box-shadow:0 0 0 3px rgba(20,227,210,.18)}
.line-chip--service .dot{background:var(--teal);box-shadow:0 0 0 3px rgba(47,194,166,.20)}

.glass-card{
  position:relative;
  padding:clamp(18px,2.4vw,28px);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(15,30,37,.84),rgba(15,30,37,.52));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.glass-card::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  pointer-events:none;
  background:linear-gradient(150deg,rgba(191,243,236,.16),transparent 44%);
  opacity:.55;
}
.glass-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.glass-card__title{
  margin:0 0 8px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:18px;
  color:var(--white);
}
.glass-card__meta{
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.14em;
  color:var(--mist);
}

.stat-card{
  padding:6px 0 6px 18px;
  border-left:2px solid var(--cyan);
  background:linear-gradient(90deg,rgba(20,227,210,.09),transparent);
}
.stat-card--orange{border-color:var(--orange);background:linear-gradient(90deg,rgba(255,122,44,.11),transparent)}
.stat-card--teal{border-color:var(--teal);background:linear-gradient(90deg,rgba(47,194,166,.11),transparent)}
.stat-card__value{
  display:block;
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(28px,3.6vw,46px);
  line-height:1.1;
  letter-spacing:.02em;
  color:var(--white);
}
.stat-card__value small{margin-left:6px;font-size:.48em;letter-spacing:.1em;color:var(--mist)}
.stat-card__label{display:block;margin-top:6px;font-size:13.5px;color:var(--mist)}

.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:rgba(15,30,37,.5);
}
.data-table{width:100%;min-width:560px;font-size:15px}
.data-table caption{
  padding:14px 16px;
  border-bottom:1px solid var(--line);
  text-align:left;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--mist);
}
.data-table th,.data-table td{
  padding:13px 16px;
  text-align:left;
  vertical-align:top;
  border-bottom:1px solid var(--line);
}
.data-table thead th{
  background:rgba(20,227,210,.07);
  color:var(--cyan-soft);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.14em;
  white-space:nowrap;
}
.data-table tbody tr:hover{background:rgba(20,227,210,.05)}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table td.num,.data-table th.num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
  color:var(--white);
}
.band--light .table-wrap{background:rgba(255,255,255,.7);border-color:rgba(8,21,27,.14)}
.band--light .data-table th,.band--light .data-table td{border-color:rgba(8,21,27,.12);color:#14232A}
.band--light .data-table thead th{background:rgba(10,110,102,.10);color:#0A6E66}
.band--light .data-table td.num,.band--light .data-table th.num{color:#08151B}

.breadcrumbs{margin:0 0 22px}
.breadcrumbs ol{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.08em;
  color:var(--mist);
}
.breadcrumbs li{display:flex;align-items:center;gap:8px}
.breadcrumbs li + li::before{content:"/";color:rgba(20,227,210,.5)}
.breadcrumbs a{color:var(--mist);text-decoration:none}
.breadcrumbs a:hover{color:var(--cyan)}
.breadcrumbs [aria-current="page"]{color:var(--silver)}

.media-frame{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:
    linear-gradient(150deg,rgba(15,30,37,.92),rgba(6,15,20,.94) 62%),
    radial-gradient(58% 58% at 82% 8%,rgba(20,227,210,.14),transparent 70%);
}
.media-frame img,.media-frame video{width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--frame{aspect-ratio:4/3}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame--placeholder::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(198,210,216,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(198,210,216,.07) 1px,transparent 1px);
  background-size:44px 44px;
}
.media-frame__cap{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  padding:10px 14px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.12em;
  color:var(--cyan-soft);
  background:linear-gradient(180deg,transparent,rgba(6,15,20,.9));
}

.doc-index{position:sticky;top:calc(var(--header-h) + 20px)}
.doc-index__title{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--mist);
}
.doc-index ol{margin:0;padding:0;list-style:none;counter-reset:idx}
.doc-index li{counter-increment:idx;margin:0}
.doc-index a{
  display:flex;
  gap:10px;
  padding:8px 12px;
  border-left:2px solid var(--line);
  color:var(--mist);
  font-size:14px;
  text-decoration:none;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.doc-index a::before{
  content:counter(idx,decimal-leading-zero);
  font-family:var(--font-mono);
  font-size:11px;
  opacity:.75;
}
.doc-index a:hover{color:var(--white);border-color:var(--cyan);background:rgba(20,227,210,.07)}
.doc-index a[aria-current="true"]{color:var(--white);border-color:var(--cyan);background:rgba(20,227,210,.11)}

[data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 9. Responsive ---------- */
@media (min-width:1081px) and (max-width:1300px){
  .primary-nav__list a{padding:8px 10px;font-size:14.5px}
  .primary-nav__list a::before{display:none}
}
@media (max-width:1080px){
  :root{--header-h:68px}
  .utility-bar{display:none}
  .nav-toggle{display:inline-flex}
  .nav-bar__inner{min-height:66px}
  .primary-nav{
    position:fixed;
    top:var(--header-h);
    left:0;
    right:0;
    bottom:0;
    padding:20px var(--gutter) 56px;
    overflow-y:auto;
    background:rgba(8,18,24,.97);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-top:1px solid var(--line);
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transform:translateY(-10px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s linear;
  }
  .primary-nav[data-open="true"]{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
  .primary-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .primary-nav__list a{
    padding:16px 8px;
    border-bottom:1px solid var(--line);
    border-radius:0;
    font-size:17px;
  }
  .primary-nav__list a::after{left:8px;right:8px;bottom:6px}
  .primary-nav__cta{display:inline-flex;width:100%;margin-top:24px}
}
@media (max-width:900px){
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .grid--sidebar{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .doc-index{position:static}
  body{font-size:16px}
}
@media (min-width:641px) and (max-width:900px){
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:560px){
  .footer-cols{grid-template-columns:1fr 1fr}
  .brand__sub{display:none}
  .brand__name{font-size:18px}
}
@media (max-width:480px){
  .nav-bar__actions .btn--primary{display:none}
}
@media (max-width:420px){
  .footer-cols{grid-template-columns:1fr}
}

/* ---------- 10. Motion preference ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none}
  .glass-card:hover,.btn:hover{transform:none}
}