/**
 * Design tokens — ContadorMonteria Theme
 * Experience V2 Sprint 1 — Brand System & Visual Foundation
 * content-source: brand/tokens/atlas-semantic.css + contador-monteria-brand.css + config/brand.json
 */

:root {
  /* ── Brand (validated Atlas + vertical tokens) ─────────── */
  --color-primary: #1b3a4b;
  --color-secondary: #2c5282;
  --color-background: #f8f7f4;
  --color-surface: #ffffff;
  --color-text-primary: #1e293b;
  --color-text-secondary: #475569;
  --color-text-muted: #64748b;
  --color-text-on-primary: #ffffff;
  --color-border-subtle: #e2e8f0;
  --color-primary-action: #1b3a4b;
  --color-link: var(--color-primary);
  --color-link-hover: var(--color-secondary);
  --brand-accent: #0d9488;
  --brand-accent-hover: #0f766e;
  --brand-hero-bg: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  --brand-hero-overlay: color-mix(in srgb, var(--color-primary) 75%, transparent);

  /* ── Conversion future (Sprint 2+, prepared only) ──────── */
  --color-whatsapp: #25d366;
  --color-whatsapp-hover: #1ebe57;
  --color-success: #059669;
  --color-feedback-error: #dc2626;
  --color-feedback-warning: #d97706;
  --color-feedback-info: #0284c7;

  /* ── Typography — Experience V2 Type System ─────────────── */
  --font-family-base: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --brand-typography-display-family: var(--font-family-base);
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-display: var(--font-weight-semibold);
  --brand-typography-display-weight: var(--font-weight-display);

  /* Type scale */
  --font-size-small: 0.8125rem;
  --font-size-caption: var(--font-size-small);
  --font-size-body: 1rem;
  --font-size-button: 1rem;
  --font-size-h3: 1.1875rem;
  --font-size-h2: 1.4375rem;
  --font-size-h1: 2rem;
  --font-size-display: 2.125rem;

  /* Line heights */
  --line-height-display: 1.12;
  --line-height-heading: 1.22;
  --line-height-body: 1.62;

  /* Letter spacing */
  --letter-spacing-tight: -0.018em;
  --letter-spacing-eyebrow: 0.075em;
  --letter-spacing-button: 0.012em;

  /* Reading measure */
  --prose-max-width: 42rem;
  --prose-max-width-narrow: 36rem;

  /* ── Spacing & composition rhythm ──────────────────────── */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 2.5rem;
  --spacing-xxl: 3rem;
  --spacing-3xl: 4rem;
  --section-padding-y: 3.25rem;
  --section-header-margin: var(--spacing-xl);
  --section-grid-gap: var(--spacing-lg);
  --section-grid-gap-lg: var(--spacing-xl);
  --section-footer-margin: var(--spacing-3xl);
  --card-padding: var(--spacing-xl);
  --card-inner-gap: var(--spacing-md);
  --container-padding-x: var(--spacing-md);
  --container-max-width: 71.25rem;

  /* ── Radius ────────────────────────────────────────────── */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-full: 9999px;

  /* ── Shadows — light depth, consultancy style ──────────── */
  --shadow-sm: 0 1px 2px rgba(27, 58, 75, 0.04);
  --shadow-md: 0 2px 10px rgba(27, 58, 75, 0.06);
  --shadow-lg: 0 4px 18px rgba(27, 58, 75, 0.08);
  --shadow-header: 0 1px 0 rgba(27, 58, 75, 0.05);
  --shadow-card: 0 1px 3px rgba(27, 58, 75, 0.04), 0 1px 2px rgba(27, 58, 75, 0.03);
  --shadow-card-hover: 0 6px 20px rgba(27, 58, 75, 0.08);
  --shadow-elevated: 0 8px 28px rgba(15, 23, 42, 0.12);
  --shadow-cta: 0 2px 12px rgba(13, 148, 136, 0.22);

  /* ── Layout & breakpoints ──────────────────────────────── */
  --breakpoint-sm: 480px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1280px;
  --touch-target-min: 3rem;
  --header-height: 3.75rem;
  --header-height-compact: 3.5rem;
  --logo-height: 2rem;
  --logo-height-lg: 2.25rem;
  --logo-mark-size: var(--logo-height);

  /* ── Focus / accessibility ─────────────────────────────── */
  --focus-ring-color: var(--brand-accent);
  --focus-ring-width: 2px;
  --focus-ring-offset: 2px;
}

@media (min-width: 768px) {
  :root {
    --container-padding-x: var(--spacing-lg);
    --section-padding-y: 4rem;
    --section-header-margin: var(--spacing-2xl);
    --section-grid-gap: var(--spacing-xl);
    --card-padding: var(--spacing-xl);
    --font-size-h3: 1.25rem;
    --font-size-h2: 1.625rem;
    --font-size-h1: 2.375rem;
    --font-size-display: 2.5rem;
    --line-height-display: 1.14;
    --header-height: 4rem;
  }
}

@media (min-width: 1280px) {
  :root {
    --container-padding-x: var(--spacing-xl);
    --section-padding-y: 5rem;
    --section-header-margin: var(--spacing-2xl);
    --section-grid-gap: var(--spacing-xl);
    --section-grid-gap-lg: var(--spacing-2xl);
    --card-padding: 2rem;
    --font-size-h3: 1.3125rem;
    --font-size-h2: 1.875rem;
    --font-size-h1: 2.625rem;
    --font-size-display: 2.625rem;
    --line-height-display: 1.15;
  }
}