/* ==========================================================================
   亚洲城服务 · 共享 Site Kit
   轨道导航 / 顶部色带 / 深海蓝 + 电光青 + 暖金
   ========================================================================== */

/* ---------- 1. 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, dl, figure, blockquote { margin: 0; }

ul[class],
ol[class] { padding: 0; list-style: none; }

img, svg, video, canvas { display: block; max-width: 100%; }
img { height: auto; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
}

a {
  color: var(--cyan-200);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

/* ---------- 2. Design tokens ---------- */
:root {
  --navy-950: #04111F;
  --navy-850: #08213B;
  --navy-700: #0F3A5F;
  --cyan-500: #19D3C5;
  --cyan-200: #9BF4EC;
  --gold-500: #F2B84B;
  --gold-200: #FFE0A3;
  --glass: #F4FBFD;
  --mist: #DDF7F5;
  --ink: #020A13;

  --line: rgba(155, 244, 236, 0.16);
  --line-soft: rgba(155, 244, 236, 0.1);
  --line-strong: rgba(25, 211, 197, 0.5);

  --font-head: "Alibaba PuHuiTi 3.0", "Source Han Sans SC", "PingFang SC", sans-serif;
  --font-body: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --step-display: clamp(2.6rem, 5.2vw, 5.6rem);
  --step-h1: clamp(2.2rem, 4vw, 4.2rem);
  --step-h2: clamp(1.6rem, 2.6vw, 2.6rem);
  --step-body: 1rem;
  --step-caption: 0.78rem;

  --rail-w: 200px;
  --band-h: 52px;

  --shell: 1320px;
  --gap: clamp(1rem, 2vw, 1.75rem);
  --section-gap: clamp(4rem, 8vw, 8rem);

  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --dur: 0.22s;

  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 9px;
}

/* ---------- 3. Base typography ---------- */
body {
  min-height: 100vh;
  padding-top: var(--band-h);
  padding-left: var(--rail-w);
  background: var(--navy-950);
  color: var(--glass);
  font-family: var(--font-body);
  font-size: var(--step-body);
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--glass);
}

h1 { font-size: var(--step-h1); }
h2 { font-size: var(--step-h2); }
h3 { font-size: clamp(1.12rem, 1.6vw, 1.4rem); line-height: 1.35; }
h4 { font-size: 1rem; line-height: 1.4; }

p { max-width: 68ch; }

strong { font-weight: 700; color: var(--cyan-200); }

::selection {
  background: var(--gold-500);
  color: var(--ink);
}

/* ---------- 4. Focus & links ---------- */
:focus-visible {
  outline: 2px solid var(--cyan-500);
  outline-offset: 3px;
  box-shadow: 0 0 0 5px rgba(4, 17, 31, 0.9);
  border-radius: 4px;
}

a:hover { color: var(--cyan-500); }

/* ---------- 5. Layout utilities ---------- */
.content-shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: clamp(1rem, 3.5vw, 3rem);
}

.section { padding-block: var(--section-gap); }
.section--tight { padding-block: clamp(2rem, 4vw, 3.5rem); }

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

.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }

.band-rule {
  height: 5px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan-500) 0%, rgba(25, 211, 197, 0.12) 42%, rgba(242, 184, 75, 0.92) 100%);
}

/* ---------- 6. Text helpers ---------- */
.mono {
  font-family: var(--font-mono);
  font-size: 0.82em;
  letter-spacing: 0.04em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--step-caption);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan-200);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--cyan-500);
  flex: 0 0 auto;
}

/* ---------- 7. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.68rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.3;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease),
              color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}

.btn:hover { transform: translateY(-1px); }

.btn--gold {
  background: var(--gold-500);
  color: var(--ink);
}
.btn--gold:hover { background: var(--gold-200); color: var(--ink); }

.btn--cyan {
  background: var(--cyan-500);
  color: var(--ink);
}
.btn--cyan:hover { background: var(--cyan-200); color: var(--ink); }

.btn--ghost {
  background: rgba(25, 211, 197, 0.08);
  border-color: var(--line-strong);
  color: var(--cyan-200);
}
.btn--ghost:hover {
  background: rgba(25, 211, 197, 0.16);
  color: var(--glass);
}

/* ---------- 8. Tags ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.26rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(25, 211, 197, 0.08);
  color: var(--cyan-200);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.tag--gold {
  background: var(--gold-500);
  border-color: var(--gold-500);
  color: var(--ink);
  font-weight: 600;
}

.tag--cyan {
  background: var(--cyan-500);
  border-color: var(--cyan-500);
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 9. Bento panels ---------- */
.panel {
  position: relative;
  padding: clamp(1.1rem, 2vw, 1.8rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--navy-850);
  transition: border-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}

.panel--glass {
  background: rgba(15, 58, 95, 0.42);
  border-color: rgba(155, 244, 236, 0.22);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  backdrop-filter: blur(14px) saturate(120%);
}

.panel--solid {
  background: var(--navy-700);
  border-color: transparent;
}

.panel--gold {
  background: linear-gradient(155deg, rgba(242, 184, 75, 0.16) 0%, rgba(8, 33, 59, 0.94) 68%);
  border-color: rgba(242, 184, 75, 0.42);
}

.panel--hover:hover,
.panel--hover:focus-within {
  border-color: var(--line-strong);
  background-color: rgba(25, 211, 197, 0.08);
  transform: translateY(-2px);
}

/* ---------- 10. Breadcrumbs ---------- */
.breadcrumbs {
  font-family: var(--font-mono);
  font-size: var(--step-caption);
  letter-spacing: 0.06em;
  color: rgba(244, 251, 253, 0.6);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.breadcrumbs li + li::before {
  content: "/";
  color: rgba(155, 244, 236, 0.4);
}

.breadcrumbs a {
  color: rgba(244, 251, 253, 0.75);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.breadcrumbs a:hover {
  color: var(--cyan-200);
  text-decoration: underline;
}

.breadcrumbs [aria-current="page"] { color: var(--cyan-200); }

/* ---------- 11. Image containers ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: radial-gradient(120% 120% at 12% 0%, var(--navy-700) 0%, var(--navy-950) 78%);
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--tall { aspect-ratio: 4 / 5; }

.media-frame > img,
.media-frame > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.45;
  mix-blend-mode: screen;
  background-image:
    linear-gradient(rgba(155, 244, 236, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(155, 244, 236, 0.14) 1px, transparent 1px);
  background-size: 44px 44px;
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: -20% -10%;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(104deg,
    transparent 38%,
    rgba(25, 211, 197, 0.32) 46%,
    rgba(242, 184, 75, 0.22) 53%,
    transparent 63%);
}

.media-frame__label {
  position: absolute;
  z-index: 3;
  top: 0.85rem;
  left: 0.85rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: rgba(4, 17, 31, 0.72);
  border: 1px solid var(--line);
  color: var(--cyan-200);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
}

/* ---------- 12. Skip link ---------- */
.skip-link {
  position: fixed;
  top: 0.6rem;
  left: 0.6rem;
  z-index: 300;
  padding: 0.62rem 1.05rem;
  border-radius: var(--radius-md);
  background: var(--gold-500);
  color: var(--ink);
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform var(--dur) var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  color: var(--ink);
}

/* ---------- 13. Header / topband ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
}

.topband {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  height: var(--band-h);
  padding-inline: clamp(1rem, 2.5vw, 1.9rem);
  background: linear-gradient(90deg,
    var(--navy-950) 0%,
    var(--navy-700) 22%,
    var(--navy-850) 62%,
    var(--navy-950) 100%);
  border-bottom: 1px solid rgba(25, 211, 197, 0.28);
}

.topband::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: min(340px, 40%);
  pointer-events: none;
  background: linear-gradient(90deg, rgba(25, 211, 197, 0.3), transparent);
}

.topband__brand {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--glass);
}

.topband__brand:hover { color: var(--glass); }

.topband__mark {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 7px;
  background: linear-gradient(150deg, var(--cyan-500) 0%, var(--navy-700) 74%);
  box-shadow:
    inset 0 0 0 1px rgba(244, 251, 253, 0.35),
    0 0 0 3px rgba(25, 211, 197, 0.16);
}

.topband__mark::after {
  content: "";
  position: absolute;
  top: 5px;
  right: 5px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold-500);
}

.topband__brandtext {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.topband__name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
}

.topband__tagline {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  color: rgba(155, 244, 236, 0.72);
}

.topband__note {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-left: auto;
  min-width: 0;
  max-width: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: rgba(244, 251, 253, 0.66);
}

.topband__batch {
  flex: 0 0 auto;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(242, 184, 75, 0.45);
  color: var(--gold-200);
  white-space: nowrap;
}

.topband__mail {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.topband__cta { flex: 0 0 auto; position: relative; z-index: 1; }

.topband__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  z-index: 2;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan-500) 0%, var(--gold-500) 100%);
}

/* ---------- 14. Rail navigation ---------- */
.railnav {
  position: fixed;
  top: var(--band-h);
  left: 0;
  bottom: 0;
  z-index: 90;
  width: var(--rail-w);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1.6rem 1.05rem 1.4rem;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: linear-gradient(180deg, var(--navy-850) 0%, var(--navy-950) 100%);
  border-right: 1px solid rgba(25, 211, 197, 0.2);
}

.railnav__label {
  margin: 0;
  max-width: none;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: rgba(155, 244, 236, 0.55);
}

.railnav__list {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.railnav__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.58rem 0.5rem 0.58rem 0.9rem;
  border-radius: 10px;
  color: rgba(244, 251, 253, 0.78);
  font-size: 0.94rem;
  font-weight: 600;
  text-decoration: none;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.railnav__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 0;
  border-radius: 2px;
  background: var(--cyan-500);
  transform: translateY(-50%);
  transition: height var(--dur) var(--ease);
}

.railnav__link::after {
  content: "";
  position: absolute;
  right: 0.5rem;
  top: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold-500);
  transform: translateY(-50%) scale(0);
  transition: transform var(--dur) var(--ease);
}

.railnav__link:hover {
  color: var(--glass);
  background: rgba(25, 211, 197, 0.1);
}

.railnav__link:hover::before { height: 58%; }

.railnav__link[aria-current="page"] {
  color: var(--glass);
  background: rgba(25, 211, 197, 0.14);
}

.railnav__link[aria-current="page"]::before { height: 70%; }
.railnav__link[aria-current="page"]::after { transform: translateY(-50%) scale(1); }
.railnav__link[aria-current="page"] .railnav__num { color: var(--gold-500); }

.railnav__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: rgba(155, 244, 236, 0.6);
  transition: color var(--dur) var(--ease);
}

.railnav__foot {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid rgba(155, 244, 236, 0.14);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.railnav__cta {
  width: 100%;
  justify-content: center;
}

.railnav__meta {
  margin: 0;
  max-width: none;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1.75;
  letter-spacing: 0.05em;
  color: rgba(244, 251, 253, 0.5);
}

/* ---------- 15. Nav toggle ---------- */
.navtoggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(25, 211, 197, 0.45);
  background: rgba(25, 211, 197, 0.1);
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.navtoggle:hover {
  background: rgba(25, 211, 197, 0.2);
  border-color: var(--cyan-500);
}

.navtoggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan-200);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.navtoggle[aria-expanded="true"] .navtoggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navtoggle[aria-expanded="true"] .navtoggle__bar:nth-child(2) { opacity: 0; }
.navtoggle[aria-expanded="true"] .navtoggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 16. Footer ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(4rem, 8vw, 7rem);
  background: linear-gradient(180deg, var(--navy-950) 0%, #030c17 100%);
  border-top: 1px solid rgba(25, 211, 197, 0.24);
  color: rgba(244, 251, 253, 0.8);
}

.site-footer::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg,
    var(--gold-500) 0%,
    var(--cyan-500) 38%,
    var(--navy-700) 78%,
    var(--navy-950) 100%);
}

.footer-inner {
  padding-block: clamp(2.5rem, 5vw, 4.5rem) 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.85fr 0.85fr 1.25fr;
  gap: clamp(1.5rem, 3vw, 3rem);
}

.footer__brandline {
  max-width: none;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.06rem;
  letter-spacing: -0.01em;
  line-height: 1.5;
  color: var(--glass);
}

.footer__note {
  margin-top: 0.85rem;
  max-width: 36ch;
  font-size: 0.82rem;
  line-height: 1.8;
  color: rgba(244, 251, 253, 0.56);
}

.footer__heading {
  margin-bottom: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(155, 244, 236, 0.62);
}

.footer__col { min-width: 0; }

.footer__list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer__link {
  font-size: 0.9rem;
  color: rgba(244, 251, 253, 0.78);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.footer__link:hover,
.footer__link:focus-visible {
  color: var(--cyan-200);
  text-decoration: underline;
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 0.62rem;
  min-width: 0;
}

.footer__contact-line {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
  margin: 0;
  max-width: none;
  font-size: 0.86rem;
  line-height: 1.7;
  color: rgba(244, 251, 253, 0.8);
  overflow-wrap: anywhere;
}

.footer__contact-key {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  color: rgba(155, 244, 236, 0.55);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  margin-top: clamp(2rem, 4vw, 3rem);
  padding-top: 1.2rem;
  border-top: 1px solid rgba(155, 244, 236, 0.14);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: rgba(244, 251, 253, 0.5);
}

.footer__icp { margin: 0; max-width: none; }
.footer__copy { margin: 0; max-width: none; }

/* ---------- 17. Reveal ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.26s var(--ease), transform 0.26s var(--ease);
}

.js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ---------- 18. Responsive ---------- */
@media (max-width: 1023px) {
  :root { --band-h: 64px; }

  body {
    padding-left: 0;
    padding-top: var(--band-h);
  }

  .topband {
    gap: 0.85rem;
    padding-inline: 1rem;
  }

  .topband__note,
  .topband__cta { display: none; }

  .navtoggle {
    display: flex;
    margin-left: auto;
  }

  .railnav {
    top: var(--band-h);
    left: 0;
    right: 0;
    bottom: 0;
    width: auto;
    padding: 1.5rem 1.25rem 2.5rem;
    gap: 1.25rem;
    border-right: 0;
    border-top: 1px solid rgba(25, 211, 197, 0.3);
    background: linear-gradient(180deg, var(--navy-850) 0%, var(--navy-950) 66%);
    box-shadow: 0 24px 60px rgba(2, 10, 19, 0.6);
    transform: translateX(-102%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--dur) var(--ease),
                opacity var(--dur) var(--ease),
                visibility 0s linear var(--dur);
  }

  .railnav[data-open] {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
    transition: transform var(--dur) var(--ease),
                opacity var(--dur) var(--ease),
                visibility 0s;
  }

  .railnav__link {
    padding: 0.78rem 0.8rem 0.78rem 1rem;
    font-size: 1.04rem;
  }

  body.is-nav-open { overflow: hidden; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer__brand { grid-column: 1 / -1; }

  .col-3, .col-4, .col-5 { grid-column: span 6; }
  .col-7, .col-8 { grid-column: span 12; }
}

@media (max-width: 639px) {
  .topband__tagline { display: none; }

  .footer-grid { grid-template-columns: 1fr; }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .col-3, .col-4, .col-5, .col-6, .col-7, .col-8 { grid-column: span 12; }

  .media-frame--tall { aspect-ratio: 1 / 1; }
}

/* ---------- 19. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .btn:hover,
  .panel--hover:hover,
  .panel--hover:focus-within { transform: none; }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}