/* ============================================
   SISTEMLUX — Design Tokens & Variables
   Paleta: #041b33, #b0b7ab, #bb9858, #55361c
   ============================================ */

:root {
  /* ── Paleta Principal ── */
  --color-navy: #041b33;
  --color-navy-light: #0d2847;
  --color-navy-dark: #020e1a;
  --color-sage: #b0b7ab;
  --color-sage-light: #c8cdc4;
  --color-sage-dark: #8a9184;
  --color-gold: #bb9858;
  --color-gold-light: #d4b87a;
  --color-gold-dark: #9a7a3e;
  --color-brown: #55361c;
  --color-brown-light: #6e4a2d;
  --color-brown-dark: #3d2714;

  /* ── Neutros ── */
  --color-white: #f5f5f0;
  --color-white-pure: #ffffff;
  --color-black: #0a0a0a;
  --color-gray-100: #f0f0ec;
  --color-gray-200: #e0e0db;
  --color-gray-300: #c5c5be;
  --color-gray-400: #9a9a93;
  --color-gray-500: #6e6e68;
  --color-gray-600: #4a4a45;

  /* ── Tipografía ── */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', 'Inter', system-ui, sans-serif;

  --fs-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
  --fs-sm: clamp(0.8rem, 0.75rem + 0.3vw, 0.9rem);
  --fs-base: clamp(0.9rem, 0.85rem + 0.3vw, 1rem);
  --fs-md: clamp(1rem, 0.9rem + 0.5vw, 1.15rem);
  --fs-lg: clamp(1.15rem, 1rem + 0.7vw, 1.35rem);
  --fs-xl: clamp(1.4rem, 1.15rem + 1.2vw, 1.75rem);
  --fs-2xl: clamp(1.75rem, 1.4rem + 1.8vw, 2.5rem);
  --fs-3xl: clamp(2.2rem, 1.7rem + 2.5vw, 3.25rem);
  --fs-4xl: clamp(2.8rem, 2rem + 3.5vw, 4.5rem);

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

  --lh-tight: 1.2;
  --lh-normal: 1.6;
  --lh-relaxed: 1.8;

  --ls-tight: -0.02em;
  --ls-normal: 0;
  --ls-wide: 0.05em;
  --ls-wider: 0.1em;

  /* ── Espaciado ── */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* ── Bordes y Radios ── */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 50%;

  /* ── Sombras ── */
  --shadow-sm: 0 1px 3px rgba(4, 27, 51, 0.08);
  --shadow-md: 0 4px 12px rgba(4, 27, 51, 0.12);
  --shadow-lg: 0 8px 30px rgba(4, 27, 51, 0.18);
  --shadow-xl: 0 16px 50px rgba(4, 27, 51, 0.25);
  --shadow-gold: 0 4px 20px rgba(187, 152, 88, 0.3);
  --shadow-glow: 0 0 20px rgba(187, 152, 88, 0.15);

  /* ── Glassmorphism ── */
  --glass-bg: rgba(4, 27, 51, 0.6);
  --glass-border: rgba(187, 152, 88, 0.15);
  --glass-blur: blur(12px);

  /* ── Transiciones ── */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-theme: 400ms ease;

  /* ── Layout ── */
  --container-max: 1280px;
  --container-padding: var(--space-lg);
  --navbar-height: 4rem;
  --section-padding: var(--space-5xl) 0;

  /* ── Z-index Scale ── */
  --z-base: 1;
  --z-dropdown: 100;
  --z-navbar: 500;
  --z-overlay: 900;
  --z-modal: 1000;
  --z-whatsapp: 800;
}

/* ── Responsive Container Padding ── */
@media (min-width: 768px) {
  :root {
    --container-padding: var(--space-xl);
    --navbar-height: 4.5rem;
  }
}

@media (min-width: 1280px) {
  :root {
    --container-padding: var(--space-2xl);
  }
}