/* =====================================================
   GRUPO PATRIMÔNIO | Design Tokens
   Versão 1.0 | Sprint 0
   ===================================================== */

:root {
  /* ============ CORES ============ */

  /* Primárias */
  --patrimonio-navy: #0A1F44;
  --patrimonio-blue: #1E3A8A;
  --patrimonio-accent: #3B82F6;
  --patrimonio-ice: #DBEAFE;

  /* Neutros */
  --patrimonio-white: #FFFFFF;
  --patrimonio-off: #F8FAFC;
  --patrimonio-gray-100: #F1F5F9;
  --patrimonio-gray-300: #CBD5E1;
  --patrimonio-gray-500: #64748B;
  --patrimonio-gray-700: #334155;
  --patrimonio-gray-900: #0F172A;

  /* Acentos */
  --patrimonio-gold: #C9A45A;
  --patrimonio-success: #10B981;
  --patrimonio-warning: #F59E0B;
  --patrimonio-danger: #EF4444;

  /* Aliases semânticos (uso comum no site) */
  --bg: var(--patrimonio-off);
  --bg-section: var(--patrimonio-white);
  --bg-dark: var(--patrimonio-navy);
  --text: var(--patrimonio-gray-900);
  --text-muted: var(--patrimonio-gray-500);
  --text-on-dark: var(--patrimonio-white);
  --text-on-dark-muted: rgba(255, 255, 255, 0.72);
  --border: var(--patrimonio-gray-100);
  --primary: var(--patrimonio-blue);
  --primary-hover: var(--patrimonio-accent);

  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, var(--patrimonio-blue) 0%, var(--patrimonio-accent) 100%);
  --gradient-navy: linear-gradient(180deg, var(--patrimonio-navy) 0%, #06173a 100%);
  --gradient-hero: radial-gradient(ellipse at top, rgba(59, 130, 246, 0.18) 0%, transparent 60%), var(--patrimonio-navy);

  /* ============ TIPOGRAFIA ============ */

  --font-display: 'Barlow', 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'DM Sans', 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', Menlo, Consolas, monospace;

  /* Escala (desktop) */
  --text-display-xl: clamp(3rem, 6vw, 5.5rem);
  --text-display-lg: clamp(2.5rem, 4.5vw, 4rem);
  --text-display-md: clamp(2rem, 3.5vw, 3rem);
  --text-h1: clamp(1.875rem, 3vw, 2.5rem);
  --text-h2: clamp(1.625rem, 2.4vw, 2rem);
  --text-h3: clamp(1.25rem, 1.6vw, 1.5rem);
  --text-h4: 1.25rem;
  --text-body-lg: 1.125rem;
  --text-body: 1rem;
  --text-body-sm: 0.875rem;
  --text-label: 0.75rem;

  /* Pesos */
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-black: 900;

  /* Line-heights */
  --leading-tight: 1.05;
  --leading-snug: 1.15;
  --leading-normal: 1.4;
  --leading-relaxed: 1.6;

  /* Letter-spacing */
  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.08em;

  /* ============ ESPAÇAMENTO ============ */

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;

  /* Container */
  --container-max: 1280px;
  --container-padding: clamp(24px, 4vw, 64px);
  --section-gap: clamp(80px, 10vw, 128px);

  /* ============ RAIOS ============ */

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* ============ SOMBRAS ============ */

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 48px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 32px rgba(59, 130, 246, 0.35);
  --shadow-glow-strong: 0 0 48px rgba(59, 130, 246, 0.55);

  /* ============ MOTION ============ */

  --ease-out-soft: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out-smooth: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 200ms;
  --duration-base: 400ms;
  --duration-slow: 600ms;
  --duration-map: 4000ms;

  /* ============ Z-INDEX ============ */

  --z-base: 1;
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-nav: 50;
  --z-overlay: 100;
  --z-modal: 200;
  --z-toast: 300;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-fast: 0ms;
    --duration-base: 0ms;
    --duration-slow: 0ms;
    --duration-map: 0ms;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}