/* =========================================================
   SCI NUTRICIÓN INSTITUCIONAL — DESIGN TOKENS
   ========================================================= */
:root {
  /* Colores corporativos */
  --color-green-900: #0F4A22;
  --color-green-700: #1E7A38;
  --color-green: #2FA84F;
  --color-green-500: #35B85A;
  --color-green-100: #E7F6EC;

  --color-purple-900: #241338;
  --color-purple-700: #372060;
  --color-purple: #4A2A82;
  --color-purple-500: #5C3A9C;
  --color-purple-100: #EEE8F7;

  --color-white: #FFFFFF;
  --color-black: #14151A;
  --color-gray-900: #1F2126;
  --color-gray-700: #4A4E58;
  --color-gray-500: #7A7F8B;
  --color-gray-300: #C9CCD4;
  --color-gray-100: #F5F6F8;
  --color-gray-50: #FAFBFC;

  /* Gradientes de marca */
  --gradient-brand: linear-gradient(135deg, var(--color-green) 0%, var(--color-purple) 100%);
  --gradient-purple: linear-gradient(120deg, var(--color-purple-700) 0%, var(--color-purple) 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(20,21,26,0.15) 0%, rgba(20,21,26,0.75) 100%);

  /* Tipografía */
  --font-display: 'Poppins', 'Segoe UI', sans-serif;
  --font-body: 'Montserrat', 'Segoe UI', sans-serif;

  --fs-hero: clamp(2.4rem, 5vw, 4.2rem);
  --fs-h2: clamp(1.9rem, 3.2vw, 2.75rem);
  --fs-h3: clamp(1.25rem, 1.8vw, 1.5rem);
  --fs-lead: clamp(1.05rem, 1.4vw, 1.25rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-eyebrow: 0.8rem;

  /* Espaciado */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Layout */
  --container-max: 1240px;
  --container-pad: clamp(1.25rem, 4vw, 2.5rem);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  /* Sombras */
  --shadow-sm: 0 2px 10px rgba(20, 21, 26, 0.06);
  --shadow-md: 0 12px 30px rgba(20, 21, 26, 0.10);
  --shadow-lg: 0 24px 60px rgba(20, 21, 26, 0.16);
  --shadow-green: 0 14px 30px rgba(47, 168, 79, 0.28);

  /* Transiciones */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s var(--ease);
  --transition-med: 0.4s var(--ease);
  --transition-slow: 0.7s var(--ease);

  /* Header */
  --header-height: 84px;
  --header-height-scrolled: 68px;

  /* z-index */
  --z-header: 1000;
  --z-overlay: 900;
  --z-top: 1100;
}