:root{
  /* Global nested hierarchy tokens:
     light -> accent -> light -> accent ... */
  --color-surface-light:#ffffff;
  --color-surface-accent:#aeb9eb;
  --surface-light-alpha:.12;
  --surface-accent-alpha:.86;

  --primary-blue:#1E6DEB;
  --light-blue:#EAF2FF;
  --teal-accent:#2EC4B6;
  --soft-purple:#6C63FF;
  --bg-white:#FFFFFF;
  --bg-light:#F5F8FC;
  --text-primary:#111111;
  --text-secondary:#111111;
  --border-soft:#E5EAF2;

  --content-card-bg:var(--color-surface-light);
  --content-card-bg-soft:var(--color-surface-light);
  --content-card-border:rgba(255,255,255,.46);
  --content-card-shadow:0 10px 28px rgba(30,109,235,.10);
  --content-card-shadow-hover:0 14px 34px rgba(46,196,182,.14);
  --content-focus-ring:0 0 0 4px rgba(30,109,235,.12);
  --content-radius-card:14px;
  --content-radius-soft:12px;

  --page-bg:#f4f9ff;
  --page-bg-soft:#e7f2ff;
  --panel-bg:rgba(255,255,255,.16);
  --panel-overlay-alpha:.97;
  --panel-border:rgba(255,255,255,.44);
  --panel-shadow:0 24px 56px rgba(50,105,160,.10);

  --block-bg:var(--color-surface-light);
  --block-bg-strong:var(--color-surface-light);
  --block-border:#DEE4F6;
  --block-text:#3F5D87;
  --block-muted:#5F7498;

  --surface-bg:var(--color-surface-light);
  --surface-border:rgba(255,255,255,.48);

  --input-bg:rgba(255,255,255,.28);
  --input-border:rgba(255,255,255,.56);

  --link-color:#111111;
  --text-color:#111111;
  --text-muted:#111111;

  --danger-bg:#ffeaea;
  --danger-text:#972929;

  --radius-panel:24px;
  --radius-block:20px;
  --radius-soft:16px;

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

  --container-width:1120px;
  --transition-fast:.18s ease;
  --site-bg-color:var(--bg-light);
  --site-bg-image:url('/assets/site-background.png');
  --site-bg-size:cover;
  --site-bg-position:center top;
  --site-bg-repeat:no-repeat;
  --site-bg-attachment:fixed;
  --site-bg-overlay-color:#ffffff;
  --site-bg-overlay-opacity:0;

  --frame-bg:var(--color-surface-light);
  --frame-bg-opacity:1;
  --frame-bg-strong:var(--color-surface-light);
  --frame-bg-strong-opacity:1;
  --inner-bg:#ffffff;
  --inner-bg-opacity:1;
  --block-bg-image:none;
  --block-bg-image-size:cover;
  --block-bg-image-position:center;
  --block-bg-image-repeat:no-repeat;
  --frame-border-color:rgba(255,255,255,.52);
  --frame-border-color-hover:rgba(255,255,255,.72);
  --frame-border-width:1px;
  --frame-radius:16px;
  --frame-shadow:0 10px 26px rgba(30,109,235,.12);
  --frame-blur:1.5px;

  --interactive-bg:#ffffff;
  --interactive-bg-strong:#ffffff;
  --interactive-border:rgba(76,87,161,.82);
  --interactive-border-hover:rgba(58,70,149,.95);
  --button-text:#111111;

  --header-bg:#ffffff;
  --header-link-bg:#ffffff;
  --header-link-text:#111111;
  --footer-bg:transparent;
  --footer-link-bg:#ffffff;
  --footer-link-text:#111111;

  --media-placeholder-bg:#C4CCE9;
  --media-placeholder-border:#D7DEF4;
  --media-placeholder-text:#415788;
}