/* =============================================
   DESIGN TOKENS — Site Arquiteta Premium
   ============================================= */

:root {
  /* Colors — Light Mode (default) */
  --color-bg: #f5f0eb;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #666666;
  --color-accent: #c9a96e;
  --color-accent-hover: #b8954f;
  --color-border: #e0dcd7;
  --color-dark: #1a1a1a;
  --color-overlay: rgba(26, 26, 26, 0.7);
  --color-nav-bg: rgba(245, 240, 235, 0.85);

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Font Sizes — Fluid with clamp() */
  --fs-hero: clamp(2.5rem, 6vw, 5.5rem);
  --fs-h2: clamp(2rem, 4vw, 3.5rem);
  --fs-h3: clamp(1.25rem, 2vw, 1.75rem);
  --fs-h4: clamp(1.1rem, 1.5vw, 1.35rem);
  --fs-body: clamp(0.95rem, 1.2vw, 1.125rem);
  --fs-small: clamp(0.8rem, 1vw, 0.9rem);
  --fs-eyebrow: clamp(0.75rem, 1vw, 0.875rem);

  /* Font Weights */
  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --space-3xl: 8rem;
  --space-section: clamp(5rem, 10vw, 10rem);

  /* Container */
  --container-max: 1400px;
  --container-padding: clamp(1.25rem, 4vw, 3rem);

  /* Timing Functions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-in-out-smooth: cubic-bezier(0.76, 0, 0.24, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Durations */
  --duration-fast: 0.2s;
  --duration-normal: 0.3s;
  --duration-slow: 0.5s;
  --duration-slower: 0.8s;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 32px 64px rgba(0, 0, 0, 0.16);

  /* Z-Index Scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-nav: 500;
  --z-overlay: 800;
  --z-modal: 900;
  --z-cursor: 950;
  --z-preloader: 1000;

  /* Navbar */
  --nav-height: 80px;
}