/* ============================================
   BiBI Design Tokens
   Based on Barbie/Mattel Design System
   ============================================ */

:root {
  /* Colors — Brand */
  --color-primary: #f875a5;
  --color-primary-light: #ffeef5;
  --color-primary-dark: #f875a5;
  --color-accent: #ee0024;
  --color-success: #2e8b57;

  /* Colors — Text */
  --color-text: #333333;
  --color-text-secondary: #62656a;
  --color-text-inverse: #ffffff;

  /* Colors — Surfaces */
  --color-bg: #ffffff;
  --color-bg-alt: #f5f5f5;
  --color-bg-muted: #dcdcdc;
  --color-border: #dcdcdc;
  --color-border-dark: #62656a;

  /* Colors — Overlay */
  --color-overlay: rgba(0, 0, 0, 0.5);

  /* Typography — system stack from tatca */
  --font-display: 'Be Vietnam Pro', sans-serif;
  --font-brand: 'Be Vietnam Pro', sans-serif;
  --font-body: 'Be Vietnam Pro', sans-serif;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --fs-xs: 0.75rem;     /* 12px */
  --fs-sm: 0.8125rem;   /* 13px */
  --fs-base: 1rem;      /* 16px */
  --fs-md: 1.125rem;    /* 18px */
  --fs-lg: 1.25rem;     /* 20px */
  --fs-xl: 1.5rem;      /* 24px */
  --fs-2xl: 2.25rem;    /* 36px */
  --fs-3xl: 2.625rem;   /* 42px */
  --fs-hero: clamp(1.75rem, 5vw, 3rem);

  --lh-tight: 1.15;
  --lh-snug: 1.3;
  --lh-normal: 1.5;
  --lh-relaxed: 1.6;

  --ls-body: -0.025rem;

  /* Spacing */
  --sp-2xs: 0.25rem;    /* 4px */
  --sp-xs: 0.5rem;      /* 8px */
  --sp-sm: 0.75rem;     /* 12px */
  --sp-md: 1rem;        /* 16px */
  --sp-lg: 1.5rem;      /* 24px */
  --sp-xl: 2rem;        /* 32px */
  --sp-2xl: 3rem;       /* 48px */
  --sp-3xl: 4rem;       /* 64px */
  --sp-4xl: 5rem;       /* 80px */

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 1.5625rem;
  --radius-circle: 50%;

  /* Shadows — used sparingly per design system */
  --shadow-nav: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-overlay: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-btn: 0 4px 16px rgba(248, 117, 165, 0.3);
  --shadow-btn-hover: 0 6px 20px rgba(248, 117, 165, 0.4);

  /* Transitions */
  --ease-fast: 0.2s ease-in-out;
  --ease-normal: 0.3s ease-in-out;
  --ease-slow: 0.5s ease-out;

  /* Layout */
  --container-max: 1200px;
  --container-px: var(--sp-md);
  --nav-height: 56px;
  --announcement-height: 40px;
  --sticky-cta-height: 56px;
}

@media (min-width: 1024px) {
  :root {
    --nav-height: 72px;
    --announcement-height: 44px;
    --container-px: var(--sp-xl);
  }
}