/* ============================================================
   INTELHIA — CSS Custom Properties
   variables.css: Colors, Typography, Spacing, Breakpoints
   ============================================================ */

:root {
  /* Brand Colors */
  --color-blue-deep: #1F4E79;
  --color-blue-petroleum: #003366;
  --color-graphite: #444444;
  --color-gray-light: #D0D0D0;
  --color-white: #FFFFFF;
  --color-black: #0A0A0A;

  /* Extended Palette */
  --color-bg-dark: #0D1B2A;
  --color-bg-section-alt: #F8F9FA;
  --color-card-dark: #111827;
  --color-card-dark-alt: #1A2332;
  --color-accent-border: #1F4E79;
  --color-text-muted: #9CA3AF;
  --color-text-light: #D1D5DB;
  --color-success: #10B981;
  --color-whatsapp: #25D366;
  --color-whatsapp-hover: #1DA851;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, var(--color-blue-petroleum) 0%, var(--color-black) 100%);
  --gradient-hero-alt: linear-gradient(160deg, #003366 0%, #0D1B2A 50%, #0A0A0A 100%);
  --gradient-card: linear-gradient(135deg, #111827 0%, #1A2332 100%);
  --gradient-cta: linear-gradient(135deg, var(--color-blue-deep) 0%, var(--color-blue-petroleum) 100%);

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

  /* Font Weights */
  --fw-light: 300;
  --fw-regular: 400;
  --fw-bold: 700;

  /* Font Sizes — fluid via clamp() */
  --fs-xs: clamp(0.75rem, 1.5vw, 0.875rem);
  --fs-sm: clamp(0.875rem, 1.8vw, 1rem);
  --fs-base: clamp(1rem, 2vw, 1.125rem);
  --fs-md: clamp(1.125rem, 2.5vw, 1.25rem);
  --fs-lg: clamp(1.25rem, 3vw, 1.5rem);
  --fs-xl: clamp(1.5rem, 3.5vw, 2rem);
  --fs-2xl: clamp(2rem, 4.5vw, 2.75rem);
  --fs-3xl: clamp(2.5rem, 6vw, 3.75rem);
  --fs-4xl: clamp(3rem, 7vw, 5rem);

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --max-width: 1280px;
  --max-width-narrow: 900px;
  --container-padding: clamp(1.25rem, 5vw, 2.5rem);

  /* Border */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-light: rgba(0, 0, 0, 0.08);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Nav */
  --nav-height: 72px;
  --nav-bg-transparent: rgba(0, 0, 0, 0);
  --nav-bg-scrolled: rgba(10, 10, 10, 0.97);
  --nav-border-scrolled: rgba(31, 78, 121, 0.3);

  /* Z-Index */
  --z-base: 1;
  --z-card: 10;
  --z-nav: 100;
  --z-modal: 200;
  --z-floating: 300;

  /* ── v2 Design System (2026-06-17) ── */
  --ink: #0b0e14;
  --paper: #f4f5f7;
  --card: #ffffff;
  --dark: #070a10;
  --dark-2: #0a0e16;
  --don: #f2f4f8;
  --signal: #2f6bd6;
  --signal-soft: oklch(0.80 0.07 250);
  --up: oklch(0.72 0.12 155);
  --down: oklch(0.66 0.17 32);
  --warn: oklch(0.80 0.12 82);
  --line: rgba(11, 14, 20, 0.12);
  --line-2: rgba(11, 14, 20, 0.22);
  --mut: rgba(11, 14, 20, 0.55);
  --dline: rgba(255, 255, 255, 0.10);
  --dmut: rgba(242, 244, 248, 0.56);

  --font-display: 'Playfair Display', Georgia, serif;
  --font-ui: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

/* Breakpoints (reference only — use in media queries)
   --bp-sm: 480px
   --bp-md: 768px
   --bp-lg: 1024px
   --bp-xl: 1280px
*/