/* ============================================================
   加拿大28 · 轻资料中心  共享样式 /assets/site.css
   ============================================================ */

/* ---------- 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, figure, blockquote, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
img, svg, picture { display: block; max-width: 100%; }
table { border-collapse: collapse; width: 100%; }

/* ---------- tokens ---------- */
:root {
  --ink:        #0A1A2A;
  --ink-deep:   #13293D;
  --edge:       #2C4056;
  --amber:      #FF8A3D;
  --amber-lift: #FF9A58;
  --celadon:    #4FBFA0;
  --celadon-dp: #1F7A63;
  --clay:       #C4694A;
  --mist:       #C3CFDA;
  --fog:        #93A5B5;
  --paper:      #F4F1EA;
  --rice:       #E6DFD2;
  --ink-text:   #14212E;
  --hair-line:  #D6CDBD;

  --radius: 8px;
  --wrap: 1180px;
  --gutter: clamp(16px, 4vw, 48px);
  --gap: clamp(16px, 2.2vw, 28px);

  --font-display: "Barlow Condensed", "Archivo Narrow", "PingFang SC", "Source Han Sans SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --ease: cubic-bezier(.22,.61,.36,1);
  --shadow-soft: 0 1px 0 var(--edge), 0 18px 30px -26px rgba(0, 0, 0, .8);
}

/* ---------- base ---------- */
body {
  position: relative;
  background-color: var(--ink);
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(195, 207, 218, .045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(195, 207, 218, .045) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: radial-gradient(130% 85% at 50% 0%, #000 26%, transparent 78%);
  mask-image: radial-gradient(130% 85% at 50% 0%, #000 26%, transparent 78%);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--paper);
}

h1 { font-size: clamp(30px, 5vw, 44px); }
h2 { font-size: clamp(24px, 3vw, 32px); }
h3 { font-size: clamp(18px, 2vw, 22px); }

p { text-wrap: pretty; }

::selection { background: var(--amber); color: var(--ink); }

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--celadon);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- utilities ---------- */
.mono,
.footer-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--celadon);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.hairline {
  height: 0;
  border: 0;
  border-top: 1px solid var(--edge);
  margin: clamp(28px, 4vw, 52px) 0;
}

/* ---------- containers ---------- */
.container,
.header-inner,
.footer-inner {
  width: min(var(--wrap), calc(100% - 2 * var(--gutter)));
  margin-inline: auto;
}

.section {
  padding-block: clamp(48px, 7vw, 96px);
  position: relative;
}

.section--tight { padding-block: clamp(32px, 4vw, 56px); }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
}

/* ---------- skip link ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 400;
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: 6px;
  background: var(--celadon);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  transform: translateY(-180%);
  transition: transform .2s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  outline: 2px solid var(--paper);
  outline-offset: 2px;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: .02em;
  white-space: nowrap;
  transition: background-color .18s var(--ease), color .18s var(--ease),
              border-color .18s var(--ease), transform .18s var(--ease),
              box-shadow .18s var(--ease);
}

.btn-solid {
  background-color: var(--amber);
  color: #0A1A2A;
  box-shadow: 0 10px 22px -16px rgba(255, 138, 61, .95);
}
.btn-solid:hover { background-color: var(--amber-lift); }

.btn-line {
  background-color: rgba(19, 41, 61, .55);
  border-color: var(--edge);
  color: var(--mist);
}
.btn-line:hover { border-color: var(--celadon); color: var(--paper); }

.btn-ghost {
  padding-inline: 10px;
  color: var(--celadon);
  border-color: transparent;
}
.btn-ghost:hover { color: var(--paper); }

@media (hover: hover) {
  .btn:hover { transform: translateY(-1px); }
  .btn:active { transform: translateY(0); }
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background-color: rgba(10, 26, 42, .95);
  border-bottom: 1px solid var(--edge);
  -webkit-backdrop-filter: blur(10px) saturate(115%);
  backdrop-filter: blur(10px) saturate(115%);
  transition: box-shadow .24s var(--ease);
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--amber) 0%, var(--celadon) 52%, rgba(79, 191, 160, 0) 100%);
  opacity: .85;
  pointer-events: none;
}
.site-header[data-scrolled] {
  box-shadow: 0 20px 42px -34px #000;
}

.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  padding: clamp(14px, 1.8vw, 22px) 0 clamp(12px, 1.5vw, 17px);
  transition: padding .24s var(--ease);
}

.masthead-meta {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--fog);
  white-space: nowrap;
  overflow: hidden;
  transition: opacity .2s var(--ease);
}
.masthead-dot {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--celadon);
  box-shadow: 0 0 0 3px rgba(79, 191, 160, .16);
}

.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: 0;
}
.brand-seal {
  display: grid;
  place-items: center;
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 6px;
  background: var(--amber);
  color: #0A1A2A;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  transform: rotate(-3deg);
  transition: transform .24s var(--ease);
}
.brand:hover .brand-seal { transform: rotate(0deg); }

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(15px, 1.5vw, 19px);
  line-height: 1.15;
  letter-spacing: -.005em;
  color: var(--paper);
  white-space: nowrap;
}
.brand-tagline {
  font-size: 12px;
  line-height: 1.2;
  letter-spacing: .05em;
  color: var(--fog);
  white-space: nowrap;
  transition: opacity .2s var(--ease);
}

.masthead-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.site-header[data-scrolled] .masthead { padding-block: 9px; }
.site-header[data-scrolled] .brand-tagline { display: none; }
.site-header[data-scrolled] .masthead-meta { opacity: 0; pointer-events: none; }

/* ---------- nav ---------- */
.nav-bar {
  position: relative;
  border-top: 1px solid var(--edge);
}
.nav-bar .site-nav { display: flex; justify-content: center; }

.nav-toggle {
  display: none;
  width: 100%;
  align-items: center;
  gap: 10px;
  padding: 14px 2px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
  text-align: left;
}
.nav-toggle-box {
  display: block;
  width: 16px;
  flex: none;
}
.nav-toggle-box i {
  display: block;
  height: 1.5px;
  background: currentColor;
  border-radius: 2px;
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}
.nav-toggle-box i + i { margin-top: 4px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-box i:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-box i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-box i:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(6px, 1.5vw, 32px);
  counter-reset: navidx;
}
.nav-list a {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 13px 2px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--fog);
  white-space: nowrap;
  transition: color .18s var(--ease);
}
.nav-list a::before {
  counter-increment: navidx;
  content: "0" counter(navidx);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--edge);
  transition: color .18s var(--ease);
}
.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6px;
  height: 2px;
  border-radius: 2px;
  background: var(--edge);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .24s var(--ease), background-color .18s var(--ease);
}
.nav-list a:hover { color: var(--paper); }
.nav-list a:hover::before { color: var(--celadon); }
.nav-list a:hover::after { transform: scaleX(1); }

.nav-list a[aria-current="page"] { color: var(--paper); }
.nav-list a[aria-current="page"]::before { color: var(--amber); }
.nav-list a[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--amber);
}

/* ---------- cards / tags / chapters ---------- */
.card {
  position: relative;
  background-color: var(--ink-deep);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  padding: clamp(18px, 2.4vw, 28px);
  box-shadow: var(--shadow-soft);
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}
.card--paper {
  background-color: var(--paper);
  border-color: var(--hair-line);
  color: #33414F;
  box-shadow: 0 1px 0 var(--hair-line), 0 20px 34px -30px rgba(20, 33, 46, .7);
}
.card--paper h1, .card--paper h2, .card--paper h3, .card--paper strong { color: var(--ink-text); }
.card--rice {
  background-color: var(--rice);
  border-color: var(--hair-line);
  color: #33414F;
  box-shadow: 0 1px 0 var(--hair-line), 0 20px 34px -30px rgba(20, 33, 46, .7);
}
.card--rice h1, .card--rice h2, .card--rice h3, .card--rice strong { color: var(--ink-text); }

@media (hover: hover) {
  .card:hover { transform: translateY(-4px); border-color: var(--celadon); }
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid var(--edge);
  border-radius: 999px;
  background-color: rgba(19, 41, 61, .72);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  line-height: 1.7;
  color: var(--mist);
  white-space: nowrap;
}
.tag--amber {
  border-color: rgba(255, 138, 61, .5);
  background-color: rgba(255, 138, 61, .1);
  color: var(--amber);
}
.tag--celadon {
  border-color: rgba(79, 191, 160, .5);
  background-color: rgba(79, 191, 160, .1);
  color: var(--celadon);
}
.tag--clay {
  border-color: rgba(196, 105, 74, .55);
  background-color: rgba(196, 105, 74, .12);
  color: #E08A6B;
}

.chapter {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 34px);
  align-items: baseline;
}
.chapter-no {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(44px, 7vw, 96px);
  line-height: .84;
  letter-spacing: -.04em;
  color: var(--fog);
  transition: color .24s var(--ease);
}
.chapter-kicker {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--celadon);
}
.chapter-title {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--paper);
}
[data-chapter].is-active .chapter-no { color: var(--amber); }

/* ---------- figure ---------- */
.figure {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  background-color: #0E2033;
  background-image:
    radial-gradient(120% 100% at 18% 0%, #1B3550 0%, #0E2033 55%, #0A1828 100%);
  isolation: isolate;
}
.figure > img,
.figure > picture > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.figure::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(195, 207, 218, .1) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(195, 207, 218, .1) 1px, transparent 1px);
  background-size: 36px 36px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 78%);
}
.figure--16x10 { aspect-ratio: 16 / 10; }
.figure--4x3  { aspect-ratio: 4 / 3; }
.figure--21x9 { aspect-ratio: 21 / 9; }

.figure figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 10px 14px;
  background: linear-gradient(180deg, rgba(10, 26, 42, 0), rgba(10, 26, 42, .92));
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* 对角切割工具（-8deg 复用） */
.edge-cut {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 5vw));
}

/* ---------- breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--fog);
}
.breadcrumb ol,
.breadcrumb ul { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before {
  content: "/";
  color: var(--edge);
}
.breadcrumb a { color: var(--fog); transition: color .18s var(--ease); }
.breadcrumb a:hover { color: var(--celadon); }
.breadcrumb [aria-current="page"] { color: var(--mist); }

/* ---------- prose ---------- */
.prose {
  max-width: 68ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--mist);
}
.prose > * + * { margin-top: 1.2em; }
.prose h2 { font-size: clamp(22px, 2.6vw, 28px); margin-top: 1.6em; }
.prose h3 { font-size: 19px; margin-top: 1.5em; }
.prose a {
  color: var(--celadon);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}
.prose a:hover { color: var(--paper); }
.prose strong { color: var(--paper); font-weight: 700; }
.prose ul, .prose ol { padding-left: 1.2em; list-style: disc; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: .4em; }
.prose blockquote {
  padding-left: 18px;
  border-left: 2px solid var(--amber);
  color: var(--fog);
}

.on-paper { background-color: var(--paper); color: #33414F; }
.on-paper h1, .on-paper h2, .on-paper h3, .on-paper h4, .on-paper strong { color: var(--ink-text); }
.on-paper .prose { color: #33414F; }
.on-paper .prose a { color: var(--celadon-dp); }
.on-paper .prose a:hover { color: #0E5F4C; }
.on-paper .chapter-title { color: var(--ink-text); }
.on-paper .chapter-no { color: #B9AE9C; }
.on-paper .eyebrow { color: var(--celadon-dp); }
.on-paper .breadcrumb,
.on-paper .breadcrumb a { color: #6B7A88; }
.on-paper .breadcrumb a:hover { color: var(--celadon-dp); }

/* ---------- footer ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: clamp(48px, 8vw, 110px);
  background-color: var(--ink-deep);
  border-top: 1px solid var(--edge);
  color: var(--mist);
}
.footer-inner { padding: clamp(36px, 5vw, 64px) 0 28px; }

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.9fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.footer-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.footer-seal {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 5px;
  background-color: var(--amber);
  color: #0A1A2A;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  transform: rotate(-3deg);
}
.footer-brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -.005em;
  color: var(--paper);
}
.footer-about {
  margin-top: 14px;
  max-width: 38ch;
  font-size: 14px;
  line-height: 1.9;
  color: var(--fog);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: clamp(22px, 3vw, 40px);
}
.footer-col-title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--celadon);
}
.footer-col ul { display: grid; gap: 10px; }
.footer-col a {
  font-size: 14px;
  color: var(--mist);
  transition: color .18s var(--ease), text-decoration-color .18s var(--ease);
}
.footer-col a:hover {
  color: var(--paper);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--celadon);
  text-underline-offset: 4px;
}

.footer-contact {
  margin-top: clamp(28px, 4vw, 46px);
  padding-top: 22px;
  border-top: 1px solid var(--edge);
  font-size: 13.5px;
  line-height: 2;
  color: var(--fog);
}
.footer-contact .footer-mono {
  font-size: 12.5px;
  color: var(--mist);
}

.footer-legal {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: #6F8296;
}
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.footer-legal-links a { color: var(--fog); transition: color .18s var(--ease); }
.footer-legal-links a:hover { color: var(--paper); }

/* ---------- to top ---------- */
.to-top {
  position: fixed;
  right: clamp(14px, 3vw, 32px);
  bottom: clamp(14px, 3vw, 32px);
  z-index: 130;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: var(--amber);
  color: #0A1A2A;
  font-size: 17px;
  font-weight: 700;
  line-height: 1;
  box-shadow: 0 18px 34px -20px rgba(255, 138, 61, .95);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(.92);
  transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
}
.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.to-top:hover { background-color: var(--amber-lift); }

/* ---------- responsive ---------- */
@media (max-width: 940px) {
  .masthead {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 12px;
    padding-block: 12px;
  }
  .masthead-dot { display: none; }
  .masthead-meta { display: none; }
  .brand { justify-self: start; justify-content: flex-start; }
  .brand-tagline { font-size: 11.5px; }

  .nav-bar { display: block; }
  .nav-toggle { display: flex; }
  .nav-bar .site-nav { display: none; justify-content: flex-start; }
  .nav-bar .site-nav[data-open] { display: block; }

  .nav-list {
    display: block;
    padding: 6px 0 14px;
    border-top: 1px solid var(--edge);
    max-height: calc(100vh - 150px);
    overflow-y: auto;
  }
  .nav-list li { display: block; }
  .nav-list a {
    display: flex;
    width: 100%;
    padding: 13px 2px;
    font-size: 15px;
    border-bottom: 1px solid rgba(44, 64, 86, .65);
  }
  .nav-list a::after { display: none; }
  .nav-list a[aria-current="page"] { color: var(--amber); }
  .nav-list a[aria-current="page"]::before { color: var(--amber); }
}

@media (max-width: 760px) {
  .masthead { grid-template-columns: minmax(0, 1fr) auto; }
  .brand { justify-self: start; }
  .masthead-actions { gap: 8px; }
  .masthead-actions .btn-line { display: none; }
  .btn { padding: 8px 13px; font-size: 13px; }

  .footer-top { grid-template-columns: minmax(0, 1fr); }
  .footer-legal { justify-content: flex-start; }

  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (max-width: 480px) {
  .brand-seal { width: 32px; height: 32px; font-size: 13px; }
  .brand-name { font-size: 14.5px; }
  .brand-tagline { display: none; }
  .footer-col ul { gap: 8px; }
  .to-top { width: 42px; height: 42px; font-size: 16px; }
}

/* ---------- 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;
    scroll-behavior: auto !important;
  }
  .btn:hover,
  .card:hover,
  .brand:hover .brand-seal { transform: none; }
  .nav-list a::after { transition: none; }
}