:root {
  --color-surface: #fdfdfd;
  --color-surface-alt: #f3f3f3;
  --color-surface-deep: #e5e5e5;
  --color-ink: #393233;
  --color-ink-soft: #685e60;
  --color-ink-muted: #857a7c;
  --color-line: #dad8d9;
  --color-primary: #e01f38;
  --color-primary-ink: #ffffff;
  --color-primary-soft: #f9dee1;
  --color-accent: #cd3246;
  --color-accent-ink: #ffffff;
  --color-highlight: #f4d8dc;
  --color-focus: #da253d;
  --color-contrast-surface: #201012;
  --color-contrast-ink: #e7e4e5;
  --color-contrast-line: #4c3f40;
  --color-contrast-accent: #d55264;
  --overlay-scrim: linear-gradient(180deg, rgba(32, 16, 18, 0.35) 0%, rgba(32, 16, 18, 0.72) 55%, rgba(32, 16, 18, 0.92) 100%);
  --font-heading: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-body: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --text-xs: 10.1px;
  --text-sm: 14.3px;
  --text-base: 17px;
  --text-lg: 24.0px;
  --text-xl: 34.0px;
  --text-2xl: 48.1px;
  --text-3xl: 68.0px;
  --text-4xl: 96.1px;
  --text-display: clamp(56px, 11.6vw, 148px);
  --text-figure: clamp(47px, 8.4vw, 107px);
  --weight-heading: 850;
  --weight-body: 400;
  --leading-body: 1.66;
  --leading-heading: 1.21;
  --tracking-heading: -0.014em;
  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  --radius-pill: 0px;
  --border-thin: 1px;
  --border-thick: 3px;
  --shadow-1: none;
  --shadow-2: none;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --container: 1180px;
  --measure: 66ch;
  --gutter: 32px;
  --section-y: 87px;
  --section-y-lg: 122px;
}

/* ==========================================================
   1. RESET
   ========================================================== */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

body {
  margin: 0;
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-body);
  line-height: var(--leading-body);
  letter-spacing: 0.004em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg, video, canvas { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0; }
figure { margin: 0; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }
hr { border: 0; margin: 0; }
::selection { background: var(--color-primary); color: var(--color-primary-ink); }

/* ==========================================================
   2. TYPOGRAPHY
   ========================================================== */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  text-wrap: balance;
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-base); }
h6 { font-size: var(--text-sm); }

.num,
.figure,
.mono,
code,
kbd,
samp,
time,
data {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: 0.04em;
}

.display {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin: 0;
}

.figure {
  font-size: var(--text-figure);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--color-ink);
}

.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-2);
}

.lede {
  font-size: var(--text-lg);
  line-height: 1.45;
  color: var(--color-ink-soft);
  max-width: var(--measure);
  margin: 0;
}

.quote {
  position: relative;
  margin: 0;
  padding-left: var(--space-4);
  border-left: var(--border-thick) solid var(--color-primary);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  max-width: var(--measure);
}

.quote::before {
  content: "\201C";
  position: absolute;
  left: var(--space-2);
  top: -0.12em;
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  line-height: 1;
  color: var(--color-primary);
}

.quote > * { margin-left: var(--space-3); }
.quote p { margin: 0; }

.stat {
  display: block;
}

.stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.05;
  color: var(--color-ink);
}

.stat__value--primary { color: var(--color-primary); }

.stat__label {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

/* ==========================================================
   3. LAYOUT
   ========================================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.section {
  padding-block: var(--section-y);
}

.section--lg {
  padding-block: var(--section-y-lg);
}

.section--tight {
  padding-block: var(--space-6);
}

.section--alt {
  background-color: var(--color-surface-alt);
}

.section--deep {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.section--deep h1,
.section--deep h2,
.section--deep h3,
.section--deep h4,
.section--deep .figure,
.section--deep .stat__value { color: var(--color-contrast-ink); }

.section--deep .eyebrow,
.section--deep .stat__label { color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent); }

.section--deep .lede,
.section--deep p { color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent); }

.rule {
  height: var(--border-thin);
  background-color: var(--color-line);
  border: 0;
  margin: 0;
}

.rule--contrast { background-color: var(--color-contrast-line); }

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

.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; }
.span-12 { grid-column: span 12; }

/* ==========================================================
   4. FOCUS / A11Y
   ========================================================== */
:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.section--deep :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--color-contrast-accent);
}

.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -100px;
  z-index: 300;
  display: inline-block;
  padding: 10px var(--space-3);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  transition: top 120ms ease;
}

.skip-link:focus {
  top: var(--space-2);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  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;
}

/* ==========================================================
   5. BUTTONS
   ========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 11px var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  box-shadow: var(--shadow-1);
  transition: background-color 120ms linear, color 120ms linear, border-color 120ms linear;
}

.btn:hover {
  background-color: var(--color-contrast-surface);
  border-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.btn--primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.btn--primary:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
}

.btn--ghost {
  background-color: transparent;
  border-color: var(--color-ink-soft);
  color: var(--color-ink);
}

.btn--flip {
  background-color: var(--color-contrast-ink);
  border-color: var(--color-contrast-ink);
  color: var(--color-contrast-surface);
}

.btn--flip:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

/* ==========================================================
   6. HEADER
   ========================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background-color: var(--color-surface);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.site-header__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding: var(--space-2) var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  justify-self: start;
  min-width: 0;
}

.brand__mark {
  flex: none;
  display: inline-block;
  padding: 5px 7px;
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
}

.brand__text { display: block; min-width: 0; }

.brand__name {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: 1.05;
  color: var(--color-ink);
  white-space: nowrap;
}

.brand__tagline {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  white-space: nowrap;
}

.nav {
  justify-self: center;
  min-width: 0;
}

.nav__list {
  display: flex;
  align-items: stretch;
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface);
}

.nav__item + .nav__item {
  border-left: var(--border-thin) solid var(--color-line);
}

.nav__link {
  display: block;
  padding: 10px 16px;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.015em;
  line-height: 1.3;
  color: var(--color-ink-soft);
  white-space: nowrap;
  border-bottom: var(--border-thick) solid transparent;
  transition: color 120ms linear, background-color 120ms linear, border-color 120ms linear;
}

.nav__link:hover {
  color: var(--color-ink);
  background-color: var(--color-surface-alt);
}

.nav__link[aria-current="page"] {
  color: var(--color-ink);
  border-bottom-color: var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  justify-self: end;
}

.header-return {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  padding-bottom: 2px;
  border-bottom: var(--border-thin) solid var(--color-line);
  white-space: nowrap;
  transition: color 120ms linear, border-color 120ms linear;
}

.header-return:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.header-cta { white-space: nowrap; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-1);
  padding: 10px 12px;
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  cursor: pointer;
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 10px;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1.5px;
  background-color: currentColor;
  transition: transform 120ms ease, opacity 120ms ease;
}

.nav-toggle__bars::before { top: 1px; }
.nav-toggle__bars::after { bottom: 1px; }

.nav-toggle[data-active="true"] .nav-toggle__bars::before {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle[data-active="true"] .nav-toggle__bars::after {
  transform: translateY(-3.5px) rotate(-45deg);
}

.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: var(--border-thick);
  background-color: var(--color-primary);
  transition: width 120ms linear;
}

/* ==========================================================
   7. FOOTER
   ========================================================== */
.site-footer {
  margin-top: var(--section-y-lg);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-top: var(--border-thick) solid var(--color-primary);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.site-footer .container {
  padding-block: var(--section-y) var(--space-6);
}

.footer__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2) var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.footer__brand {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.footer__mark {
  display: inline-block;
  padding: 5px 7px;
  background-color: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
}

.footer__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.footer__closing {
  color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent);
  font-size: var(--text-sm);
}

.footer__return {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-contrast-accent);
  padding-bottom: 2px;
  border-bottom: var(--border-thin) solid currentColor;
  transition: color 120ms linear;
}

.footer__return:hover { color: var(--color-contrast-ink); }

.footer__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-6) var(--space-4);
  padding-block: var(--space-6);
}

.footer__col-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.4;
  color: color-mix(in srgb, var(--color-contrast-ink) 56%, transparent);
}

.footer__links {
  display: grid;
  gap: 7px;
}

.footer__links a {
  display: inline-block;
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  border-bottom: var(--border-thin) solid transparent;
  transition: color 120ms linear, border-color 120ms linear;
}

.footer__links a:hover {
  color: var(--color-contrast-accent);
  border-bottom-color: currentColor;
}

.footer__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2) var(--space-4);
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.footer__contact {
  flex: 1 1 340px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0.01em;
}

.footer__legal,
.footer__year { white-space: nowrap; }

/* ==========================================================
   8. DATA COMPONENTS
   ========================================================== */
.data-strip {
  display: flex;
  flex-wrap: wrap;
  background-color: var(--color-surface-alt);
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.data-strip__item {
  flex: 1 1 150px;
  min-width: 0;
  padding: var(--space-2) var(--space-3);
  border-left: var(--border-thin) solid var(--color-line);
}

.data-strip__item:first-child { border-left: 0; }

.data-strip__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.data-strip__value {
  display: block;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.05;
  color: var(--color-ink);
}

.data-strip__value--primary { color: var(--color-primary); }

.data-strip--deep {
  background-color: var(--color-contrast-surface);
  border-color: var(--color-contrast-line);
}

.data-strip--deep .data-strip__item { border-left-color: var(--color-contrast-line); }
.data-strip--deep .data-strip__label { color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent); }
.data-strip--deep .data-strip__value { color: var(--color-contrast-ink); }
.data-strip--deep .data-strip__value--primary { color: var(--color-contrast-accent); }

.year-scale {
  display: flex;
  flex-wrap: wrap;
  border-top: var(--border-thick) solid var(--color-ink-soft);
  background-color: var(--color-surface-deep);
}

.year-scale__item {
  flex: 0 0 auto;
  padding: 10px var(--space-3);
  border-right: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-ink-soft);
  transition: color 120ms linear, background-color 120ms linear;
}

.year-scale__item:hover {
  background-color: var(--color-surface);
  color: var(--color-ink);
}

.year-scale__item[aria-current="true"],
.year-scale__item[data-active="true"] {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.steal-bar {
  position: relative;
  width: 100%;
  height: 26px;
  background-color: var(--color-surface-deep);
  overflow: hidden;
}

.steal-bar__fill {
  display: block;
  height: 100%;
  width: var(--fill, 0%);
  background-color: var(--color-primary);
  transform-origin: left center;
  transition: width 240ms ease-out;
}

.steal-bar--low .steal-bar__fill { background-color: var(--color-primary-soft); }
.steal-bar--mid .steal-bar__fill { background-color: var(--color-primary); }
.steal-bar--high .steal-bar__fill { background-color: var(--color-accent); }

.steal-bar__label {
  position: absolute;
  right: var(--space-1);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-ink);
}

/* ==========================================================
   9. FILTERS
   ========================================================== */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.chip {
  padding: 7px 11px;
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.3;
  cursor: pointer;
  transition: background-color 120ms linear, color 120ms linear, border-color 120ms linear;
}

.chip:hover {
  border-color: var(--color-ink-soft);
  color: var(--color-ink);
}

.chip[aria-pressed="true"] {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

[data-filtered] { display: none !important; }

/* ==========================================================
   10. IMAGE FRAMES
   ========================================================== */
.frame {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  background-color: var(--color-surface-deep);
  border-radius: var(--radius-sm);
}

.frame--wide { aspect-ratio: 16 / 9; }
.frame--tall { aspect-ratio: 3 / 4; }
.frame--square { aspect-ratio: 1 / 1; }
.frame--band { aspect-ratio: 21 / 9; }

.frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.68) contrast(1.08) brightness(0.94);
}

.frame__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 4px 8px;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  line-height: 1.4;
}

.media {
  position: relative;
  display: block;
  overflow: hidden;
}

.media__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image: var(--overlay-scrim);
  pointer-events: none;
}

.media__body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: var(--space-3);
  color: var(--color-contrast-ink);
}

/* ==========================================================
   11. REVEAL
   ========================================================== */
.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 240ms linear, transform 240ms ease-out;
}

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

.has-js .steal-bar[data-reveal] .steal-bar__fill,
.has-js .steal-bar [data-reveal] .steal-bar__fill { width: var(--fill, 0%); }

/* ==========================================================
   12. RESPONSIVE
   ========================================================== */
@media (max-width: 1180px) {
  .brand__tagline { display: none; }
  .nav__link { padding-inline: 12px; }
}

@media (max-width: 1024px) {
  .site-header__inner {
    grid-template-columns: 1fr auto;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
  }

  .brand { grid-column: 1; }
  .header-actions { grid-column: 2; }
  .header-cta { display: none; }

  .nav {
    grid-column: 1 / -1;
    justify-self: stretch;
    max-height: 0;
    overflow: hidden;
    transition: max-height 240ms ease;
  }

  .nav[data-open] {
    max-height: 72vh;
    overflow-y: auto;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    margin-top: var(--space-2);
    border-width: 0;
    border-top: var(--border-thin) solid var(--color-line);
  }

  .nav__item + .nav__item {
    border-left: 0;
    border-top: var(--border-thin) solid var(--color-line);
  }

  .nav__link {
    padding: 14px var(--space-2);
    border-bottom: 0;
    border-left: var(--border-thick) solid transparent;
    font-size: var(--text-base);
  }

  .nav__link[aria-current="page"] {
    border-bottom-color: transparent;
    border-left-color: var(--color-primary);
    background-color: var(--color-surface-alt);
  }

  .nav-toggle { display: inline-flex; }

  .header-return { font-size: var(--text-xs); }

  .grid { gap: var(--space-3); }
  .span-3, .span-4, .span-5 { grid-column: span 6; }
  .span-7, .span-8, .span-9 { grid-column: span 12; }
}

@media (max-width: 900px) {
  .site-footer .container { padding-block: var(--section-y) var(--space-6); }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .container { padding-inline: var(--space-3); }
  .section { padding-block: var(--space-8); }
  .section--lg { padding-block: var(--section-y); }
  .header-return { display: none; }
  .data-strip__item { flex: 1 1 50%; border-left: 0; border-top: var(--border-thin) solid var(--color-line); }
  .data-strip__item:nth-child(2n) { border-left: var(--border-thin) solid var(--color-line); }
  .data-strip__item:nth-child(-n+2) { border-top: 0; }
  .quote { padding-left: var(--space-3); }
  .quote > * { margin-left: var(--space-2); }
}

@media (max-width: 560px) {
  .span-3, .span-4, .span-5, .span-6 { grid-column: span 12; }
  .footer__grid { grid-template-columns: minmax(0, 1fr); gap: var(--space-4); }
  .footer__top { flex-direction: column; align-items: flex-start; }
  .footer__return { margin-left: 0; }
  .brand__name { font-size: var(--text-base); }
  .data-strip__item { flex: 1 1 100%; border-left: 0; }
  .data-strip__item:nth-child(2n) { border-left: 0; }
  .data-strip__item:nth-child(-n+2) { border-top: var(--border-thin) solid var(--color-line); }
  .data-strip__item:first-child { border-top: 0; }
}

/* ==========================================================
   13. REDUCED MOTION
   ========================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

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

  .nav { transition: none; }
  .steal-bar__fill { transition: none; }
  .scroll-progress { transition: none; }
}