:root {
  color-scheme: light;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.75rem;
  --fs-hero: 3rem;

  --lh-tight: 1.25;
  --lh: 1.65;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;

  --radius-sm: 5px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-pill: 999px;

  --content-width: 1100px;
  --header-height: 72px;
  --page-gutter: 24px;

  --bg-app: #fbfcfe;
  --bg-surface: #ffffff;
  --bg-sunken: #f3f6fb;
  --bg-hover: #edf1f8;

  --text: #1e2a3d;
  --text-muted: #5d6b82;
  --text-subtle: #97a3b8;

  --border: #dbe2ed;
  --border-strong: #c6d2e3;

  --primary: #2d6cdf;
  --primary-strong: #1e52b6;
  --primary-tint: #ebf2fe;
  --primary-border: #bbd0f5;
  --on-primary: #ffffff;

  --success: #2e9e63;
  --success-tint: #eaf6ef;
  --success-border: #b6e0c6;
  --warning: #c6841e;
  --warning-tint: #fbeecf;
  --warning-border: #eacf95;
  --danger: #d14343;
  --danger-tint: #fbebec;

  --shadow-sm: 0 1px 2px rgba(30, 42, 61, 0.05);
  --shadow-md: 0 8px 22px -8px rgba(30, 42, 61, 0.14);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;

    --bg-app: #0f1520;
    --bg-surface: #161d28;
    --bg-sunken: #1b2431;
    --bg-hover: #212c3b;

    --text: #e7ecf4;
    --text-muted: #9daabf;
    --text-subtle: #66748b;

    --border: #29323f;
    --border-strong: #3a4658;

    --primary: #4c86f0;
    --primary-strong: #84aef7;
    --primary-tint: #182742;
    --primary-border: #2e4571;
    --on-primary: #ffffff;

    --success: #3fb27c;
    --success-tint: #122a1f;
    --success-border: #2c4b39;
    --warning: #d79a3e;
    --warning-tint: #2a2110;
    --warning-border: #4c3b1d;
    --danger: #e5726a;
    --danger-tint: #2c1719;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 22px -8px rgba(0, 0, 0, 0.55);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 0;
  overflow-x: hidden;
  background: var(--bg-app);
}

body {
  min-width: 0;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background: var(--bg-app);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh);
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--primary-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--primary);
}

.redemption-delivery {
  display: grid;
  gap: var(--space-4);
}

.redemption-delivery > p {
  margin: 0;
}

.redemption-code {
  display: grid;
  margin: 0;
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-sm);
  background: var(--primary-tint);
  gap: var(--space-2);
}

.redemption-code dt {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  font-weight: 700;
}

.redemption-code dd {
  min-width: 0;
  margin: 0;
  color: var(--primary-strong);
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  font-weight: 750;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.redemption-delivery--unavailable {
  padding: var(--space-4) var(--space-5);
  border-left: 3px solid var(--warning);
  color: var(--text);
  background: var(--warning-tint);
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--on-primary);
  background: var(--primary);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.page-shell {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: grid;
  width: min(100%, var(--content-width));
  min-height: var(--header-height);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--space-6);
  align-items: center;
}

.brand {
  display: inline-flex;
  width: 174px;
  min-width: 0;
  color: var(--text);
}

.brand svg {
  width: 100%;
  height: auto;
}

.desktop-nav {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
}

.desktop-nav a,
.mobile-nav a,
.language-switch {
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: var(--lh-tight);
  text-decoration: none;
}

.desktop-nav a {
  padding: var(--space-2) var(--space-3);
  white-space: nowrap;
}

.desktop-nav a:hover,
.mobile-nav a:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.language-switch {
  display: inline-flex;
  min-width: 44px;
  min-height: 36px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-strong);
  align-items: center;
  justify-content: center;
  color: var(--primary-strong);
  background: var(--bg-surface);
}

.language-switch:hover {
  border-color: var(--primary-border);
  color: var(--primary-strong);
  background: var(--primary-tint);
}

.mobile-menu {
  display: none;
}

.main-content {
  display: flex;
  width: min(100%, var(--content-width));
  margin-inline: auto;
  padding: clamp(var(--space-8), 8vh, 96px) var(--page-gutter);
  flex: 1;
  align-items: flex-start;
}

.placeholder-page {
  width: 100%;
  min-width: 0;
}

.placeholder-page__heading {
  display: flex;
  max-width: 800px;
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border);
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
}

.placeholder-page h1 {
  max-width: 18ch;
  margin: 0;
  color: var(--text);
  font-size: var(--fs-hero);
  font-weight: 720;
  line-height: var(--lh-tight);
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.placeholder-page p {
  max-width: 680px;
  margin: var(--space-6) 0 0;
  color: var(--text-muted);
  font-size: var(--fs-md);
}

.related-policy-link {
  flex: 0 0 auto;
  font-size: var(--fs-sm);
  font-weight: 650;
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--bg-sunken);
}

.site-footer__inner {
  display: grid;
  width: min(100%, var(--content-width));
  margin-inline: auto;
  padding: var(--space-8) var(--page-gutter);
  grid-template-columns: minmax(0, 1.6fr) minmax(220px, 1fr);
  gap: var(--space-8) clamp(var(--space-8), 6vw, 80px);
}

.site-footer h2 {
  margin: 0 0 var(--space-4);
  color: var(--text);
  font-size: var(--fs-base);
  line-height: var(--lh-tight);
}

.footer-details dl {
  display: grid;
  margin: 0;
  gap: var(--space-3);
}

.footer-details dl div {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(110px, 0.35fr) minmax(0, 1fr);
  gap: var(--space-3);
}

.footer-details dt {
  color: var(--text-subtle);
  font-size: var(--fs-sm);
}

.footer-details dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
}

.footer-links ul {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2) var(--space-5);
  list-style: none;
}

.footer-links a,
.footer-details a {
  color: var(--text-muted);
}

.footer-links a:hover,
.footer-details a:hover {
  color: var(--primary-strong);
}

.business-statement {
  margin: 0;
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
  grid-column: 1 / -1;
  font-size: var(--fs-sm);
}

@media (max-width: 900px) {
  :root {
    --page-gutter: 20px;
  }

  .site-header__inner {
    grid-template-columns: auto 1fr auto auto;
    gap: var(--space-3);
  }

  .desktop-nav {
    display: none;
  }

  .language-switch {
    grid-column: 3;
  }

  .mobile-menu {
    position: relative;
    display: block;
    grid-column: 4;
  }

  .mobile-menu summary {
    display: grid;
    width: 40px;
    height: 40px;
    padding: 10px 8px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    cursor: pointer;
    list-style: none;
    align-content: space-between;
  }

  .mobile-menu summary::-webkit-details-marker {
    display: none;
  }

  .mobile-menu summary span {
    display: block;
    width: 100%;
    height: 2px;
    border-radius: var(--radius-pill);
    background: var(--text-muted);
  }

  .mobile-menu[open] summary {
    border-color: var(--primary-border);
    background: var(--primary-tint);
  }

  .mobile-nav {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    display: grid;
    width: min(300px, calc(100vw - (2 * var(--page-gutter))));
    padding: var(--space-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    box-shadow: var(--shadow-md);
  }

  .mobile-nav a {
    padding: var(--space-3);
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
  }

  .business-statement {
    grid-column: 1;
  }
}

@media (max-width: 560px) {
  :root {
    --page-gutter: 16px;
    --header-height: 64px;
    --fs-hero: 2.25rem;
  }

  .site-header__inner {
    gap: var(--space-2);
  }

  .brand {
    width: 132px;
  }

  .language-switch {
    min-width: 40px;
    min-height: 40px;
    padding-inline: 10px;
  }

  .placeholder-page__heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .placeholder-page p {
    font-size: var(--fs-base);
  }

  .footer-details dl div {
    grid-template-columns: 1fr;
    gap: var(--space-1);
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}