/* ============================================
   DESIGN TOKENS & CSS VARIABLES
   Yuvan Sai Ads Media - Professional Design System
   ============================================ */

:root {
  /* ===== COLOR PALETTE ===== */
  /* Primary Colors */
  --color-primary-blue: #004284;
  --color-primary-blue-dark: #003366;
  --color-primary-blue-light: #0056a8;

  /* Accent Colors */
  --color-accent-orange: #FF6517;
  --color-accent-orange-dark: #E55500;
  --color-accent-orange-light: #FF8040;

  --color-accent-cyan: #089de3;
  --color-accent-cyan-dark: #0772B1;
  --color-accent-cyan-light: #00F5D4;

  /* Neutral Colors */
  --color-white: #FFFFFF;
  --color-black: #000000;
  --color-gray-dark: #212529;
  --color-gray-medium: #6C757D;
  --color-gray-light: #E9ECEF;
  --color-gray-lighter: #F8F9FA;

  /* Gradient Colors */
  --gradient-blue: linear-gradient(135deg, #004284 0%, #0772B1 100%);
  --gradient-orange: linear-gradient(135deg, #FF6517 0%, #FF8040 100%);
  --gradient-cyan: linear-gradient(135deg, #089de3 0%, #00F5D4 100%);
  --gradient-dark: linear-gradient(135deg, #1E2B37 0%, #212529 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.3) 100%);

  /* ===== TYPOGRAPHY ===== */
  /* Font Families */
  --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Font Sizes - Desktop */
  --font-size-h1: 3.75rem;        /* 60px */
  --font-size-h2: 3rem;           /* 48px */
  --font-size-h3: 2.25rem;        /* 36px */
  --font-size-h4: 1.875rem;       /* 30px */
  --font-size-h5: 1.5rem;         /* 24px */
  --font-size-h6: 1.25rem;        /* 20px */
  --font-size-body-large: 1.25rem;  /* 20px */
  --font-size-body: 1.125rem;     /* 18px */
  --font-size-body-small: 1rem;   /* 16px */
  --font-size-small: 0.875rem;    /* 14px */
  --font-size-tiny: 0.75rem;      /* 12px */

  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  --line-height-loose: 2;

  /* ===== SPACING SYSTEM ===== */
  --space-xs: 0.5rem;      /* 8px */
  --space-sm: 0.75rem;     /* 12px */
  --space-md: 1rem;        /* 16px */
  --space-lg: 1.5rem;      /* 24px */
  --space-xl: 2rem;        /* 32px */
  --space-2xl: 3rem;       /* 48px */
  --space-3xl: 4rem;       /* 64px */
  --space-4xl: 5rem;       /* 80px */
  --space-5xl: 6rem;       /* 96px */
  --space-6xl: 8rem;       /* 128px */

  /* Section Spacing */
  --section-padding-y: 5rem;     /* 80px */
  --section-padding-y-small: 3rem; /* 48px */

  /* ===== LAYOUT ===== */
  /* Container Widths */
  --container-max-width: 1200px;
  --container-wide-width: 1400px;
  --container-narrow-width: 900px;
  --container-padding: 1.5rem;

  /* Grid System */
  --grid-gap: 2rem;
  --grid-gap-small: 1.5rem;

  /* ===== BORDERS & RADIUS ===== */
  --border-radius-sm: 0.25rem;    /* 4px */
  --border-radius-md: 0.5rem;     /* 8px */
  --border-radius-lg: 1rem;       /* 16px */
  --border-radius-xl: 1.5rem;     /* 24px */
  --border-radius-full: 9999px;

  --border-width-thin: 1px;
  --border-width-medium: 2px;
  --border-width-thick: 4px;

  /* ===== SHADOWS ===== */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);

  /* Colored Shadows */
  --shadow-orange: 0 10px 30px rgba(255, 101, 23, 0.3);
  --shadow-blue:  0 10px 30px rgba(0, 66, 132, 0.3);
  --shadow-cyan: 0 10px 30px rgba(8, 157, 227, 0.3);

  /* ===== TRANSITIONS ===== */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  --transition-slower: 700ms ease-in-out;

  /* ===== Z-INDEX LAYERS ===== */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;

  /* ===== HEADER ===== */
  --header-height: 80px;
  --header-height-mobile: 70px;

  /* ===== SPECIAL EFFECTS ===== */
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-blur: blur(10px);

  /* Overlay */
  --overlay-light: rgba(0, 0, 0, 0.3);
  --overlay-medium: rgba(0, 0, 0, 0.5);
  --overlay-dark: rgba(0, 0, 0, 0.7);
}

/* ===== RESPONSIVE FONT SIZES ===== */
/* Tablet */
@media (max-width: 991px) {
  :root {
    --font-size-h1: 2.75rem;        /* 44px */
    --font-size-h2: 2.25rem;        /* 36px */
    --font-size-h3: 1.875rem;       /* 30px */
    --font-size-h4: 1.5rem;         /* 24px */
    --font-size-h5: 1.25rem;        /* 20px */
    --section-padding-y: 4rem;
  }
}

/* Mobile */
@media (max-width: 767px) {
  :root {
    --font-size-h1: 2rem;           /* 32px */
    --font-size-h2: 1.75rem;        /* 28px */
    --font-size-h3: 1.5rem;         /* 24px */
    --font-size-h4: 1.25rem;        /* 20px */
    --font-size-h5: 1.125rem;       /* 18px */
    --font-size-body: 1rem;         /* 16px */
    --section-padding-y: 3rem;
    --container-padding: 1rem;
    --grid-gap: 1.5rem;
  }
}