/* ==========================================================================
   VOYA Design System — Colors & Type
   Source of truth: source/2026-04-24_design-system-voya.md
   Monochromatic editorial. NO accent color. Black, white, gray only.
   ========================================================================== */

/* ---------- Fonts ---------- */
@font-face {
  font-family: "Supreme";
  src: url("/fonts/Supreme-Variable.ttf") format("truetype-variations"),
       url("/fonts/Supreme-Variable.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Supreme";
  src: url("/fonts/Supreme-VariableItalic.ttf") format("truetype-variations"),
       url("/fonts/Supreme-VariableItalic.ttf") format("truetype");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Switzer";
  src: url("/fonts/Switzer-Variable.ttf") format("truetype-variations"),
       url("/fonts/Switzer-Variable.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Switzer";
  src: url("/fonts/Switzer-VariableItalic.ttf") format("truetype-variations"),
       url("/fonts/Switzer-VariableItalic.ttf") format("truetype");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

/* ---------- Primitive Color Tokens ---------- */
:root {
  --color-white:             #FFFFFF;
  --color-neutral-lightest:  #EEEEEE;
  --color-neutral-lighter:   #CCCCCC;
  --color-neutral-light:     #AAAAAA;
  --color-neutral:           #666666;
  --color-neutral-dark:      #444444;
  --color-neutral-darker:    #222222;
  --color-neutral-darkest:   #000000;

  /* Type families */
  --font-display: "Supreme", "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-text:    "Switzer", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Spacing — base unit 8px */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  24px;
  --space-6:  32px;
  --space-8:  48px;
  --space-10: 64px;
  --space-12: 80px;
  --space-16: 100px;
  --space-20: 160px;

  /* Radius */
  --radius-large:  24px;
  --radius-medium: 16px;
  --radius-small:  8px;
  --radius-pill:   30px;
  --radius-image:  50px;
  --radius-full:   50%;
  --radius-none:   0;

  /* Shadows (Light scheme only) */
  --shadow-xxsmall: 0px 1px 2px rgba(0,0,0,0.04);
  --shadow-xsmall:  0px 2px 4px rgba(0,0,0,0.05);
  --shadow-small:   0px 4px 8px rgba(0,0,0,0.06);
  --shadow-medium:  0px 8px 16px rgba(0,0,0,0.08);
  --shadow-large:   0px 12px 24px rgba(0,0,0,0.10);
  --shadow-xlarge:  0px 20px 40px rgba(0,0,0,0.12);
  --shadow-xxlarge: 0px 32px 64px rgba(0,0,0,0.16);

  /* ---- Semantic — Light scheme (default) ---- */
  --text:            #000000;
  --text-secondary:  #666666;
  --text-tertiary:   #AAAAAA;
  --background:      #FFFFFF;
  --foreground:      #FFFFFF;
  --border:          #000000;
  --border-subtle:   #CCCCCC;
  --accent:          #000000;
  --on-accent:       #FFFFFF;

  /* Status (proposed; restricted to micro-UI only) */
  --semantic-error:   #FF6B6B;
  --semantic-success: #4CAF50;
  --semantic-warning: #FFB547;
  --semantic-info:    #2196F3;
}

/* ---- Semantic — Dark scheme ---- */
[data-theme="dark"] {
  --text:           #FFFFFF;
  --text-secondary: rgba(255,255,255,0.55);
  --text-tertiary:  rgba(255,255,255,0.40);
  --background:     #000000;
  --foreground:     #222222;
  --border:         rgba(255,255,255,0.15);
  --border-subtle:  rgba(255,255,255,0.10);
  --accent:         #FFFFFF;
  --on-accent:      #000000;
}

/* ==========================================================================
   Typographic primitives
   Headings: Supreme 400–600 (never 700+ in production unless explicit).
   Body: Switzer 400/500. Hierarchy via scale + weight + opacity ONLY.
   ========================================================================== */

html, body {
  font-family: var(--font-text);
  color: var(--text);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}

/* Headings (display family) */
/* Supreme display headlines are ALWAYS uppercase. */
.h1, h1, .h2, h2, .h3, h3, .h4, h4, .h5, h5, .h6, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: -0.005em;
  line-height: 1.1;
  margin: 0;
}
.h1, h1 { font-size: clamp(40px, 5vw, 56px); }
.h2, h2 { font-size: clamp(36px, 4vw, 48px); }
.h3, h3 { font-size: clamp(32px, 3.5vw, 40px); }
.h4, h4 { font-size: 32px; }
.h5, h5 { font-size: 24px; line-height: 1.2; }
.h6, h6 { font-size: 20px; line-height: 1.3; }

/* Tagline / eyebrow label */
.tagline, .eyebrow {
  font-family: var(--font-text);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* Stats — Supreme, lighter weight, larger size. Numerals don't need caps. */
.stat {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(56px, 8vw, 96px);
  line-height: 1;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text);
}

/* Body sizes (Switzer) */
.text-large    { font-size: 20px;   line-height: 1.5; }
.text-medium   { font-size: 18px;   line-height: 1.5; }
.text-regular,
p              { font-size: 16px;   line-height: 1.5; }
.text-small    { font-size: 14px;   line-height: 1.5; }
.text-tiny     { font-size: 12px;   line-height: 1.5; }

p { margin: 0 0 1em; color: var(--text); }

.lead {
  font-size: 20px;
  line-height: 1.5;
  font-weight: 400;
  color: var(--text-secondary);
}

/* Section label — uppercase tracked */
.label-section {
  font-family: var(--font-text);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* Helper / micro */
.text-helper { font-size: 14px; color: var(--text-secondary); }
.text-micro  { font-size: 12px; color: var(--text-tertiary); }

/* ==========================================================================
   Component primitives — buttons, inputs, cards (used across previews + UI kit)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 32px;
  border-radius: var(--radius-pill);
  font-family: var(--font-text);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: transform .25s ease, opacity .25s ease, background .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease;
  white-space: nowrap;
  text-decoration: none;
}
.btn:hover  { opacity: 0.92; transform: scale(1.02); }
.btn:active { transform: scale(0.98); }
.btn:disabled,
.btn[aria-disabled="true"] { opacity: 0.4; cursor: not-allowed; transform: none; }

.btn-primary   { background: var(--accent); color: var(--on-accent); }
.btn-secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-tertiary  { background: transparent; color: var(--text-secondary); padding: 0 8px; }

.btn-small  { height: 36px; padding: 0 24px; font-size: 13px; }

.btn-gradient-light {
  background: linear-gradient(96.92deg, #000000 -5.34%, #ABABAB 82.98%);
  color: #FFFFFF;
}
.btn-gradient-dark {
  background: linear-gradient(98.15deg, #FFFFFF -1.43%, #959595 82.35%);
  color: #000000;
}

/* Input */
.input {
  display: block;
  width: 100%;
  height: 48px;
  padding: 0 20px;
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  font-family: var(--font-text);
  font-size: 14px;
  font-weight: 400;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.input::placeholder { color: var(--text-tertiary); }
.input:focus { border-color: var(--accent); }

[data-theme="dark"] .input { border-color: rgba(255,255,255,0.15); }
[data-theme="dark"] .input:focus { border-color: rgba(255,255,255,0.4); }

/* Card */
.card {
  padding: 32px;
  border-radius: var(--radius-large);
  background: var(--foreground);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-small);
  transition: box-shadow .25s ease, border-color .25s ease;
}
.card:hover { box-shadow: var(--shadow-medium); border-color: var(--border); }
[data-theme="dark"] .card { box-shadow: none; border-color: rgba(255,255,255,0.10); }
[data-theme="dark"] .card:hover { border-color: rgba(255,255,255,0.15); }

/* Tag / chip */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  font-family: var(--font-text);
  font-weight: 500;
  font-size: 12px;
  background: rgba(0,0,0,0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text);
}
[data-theme="dark"] .tag { background: rgba(255,255,255,0.06); }

.tag-active { background: var(--accent); color: var(--on-accent); border-color: transparent; }

/* Divider */
.divider {
  border: 0;
  border-top: 1px solid var(--border-subtle);
  margin: 80px auto;
  max-width: 120px;
}

/* Container */
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .container { padding: 0 16px; } }

/* Section padding */
.section { padding: var(--space-20) 0; }
@media (max-width: 833px) { .section { padding: var(--space-16) 0; } }