/* ==========================================================================
   RESET & CSS VARIABLES
   ========================================================================== */

/* Custom Properties (CSS Variables) */
:root {
  /* Colors */
  --color-primary: #ff7600;
  --color-primary-dark: #e56a00;
  --color-primary-light: #ff8f2b;
  --color-secondary: rgb(23 30 56);
  --color-secondary-dark: #003d82;
  --color-secondary-light: #1a6bc5;
  --color-accent: #ff7600;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #ff7600 0%, #ff9a44 100%);
  --gradient-secondary: linear-gradient(135deg, #171e38 0%, #1a6bc5 100%);
  --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);

  /* Neutrals */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-100: #f8f9fa;
  --color-gray-200: #f0f0f0;
  --color-gray-300: #e0e0e0;
  --color-gray-400: #cccccc;
  --color-gray-500: #999999;
  --color-gray-600: #666666;
  --color-gray-700: #444444;
  --color-gray-800: #333333;
  --color-gray-900: #222222;

  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.75rem;
  --text-4xl: 2rem;
  --text-5xl: 2.5rem;
  --text-6xl: 3rem;
  --text-7xl: 3.5rem;
  --text-8xl: 4rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 5rem;

  /* Layout */
  --container-width: 1200px;
  --container-padding: 20px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.15);
  --shadow-primary: 0 4px 20px rgba(255, 118, 0, 0.3);
  --shadow-secondary: 0 4px 20px rgba(0, 81, 173, 0.3);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-bounce: 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
  --z-preloader: 9999;
}

/* Reset */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-base);
}

ul, ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-gray-900);
}

p {
  margin-bottom: var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

/* Selection */
::selection {
  background-color: var(--color-primary);
  color: var(--color-white);
}

::-moz-selection {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-gray-200);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-dark);
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Remove outline for mouse users */
:focus:not(:focus-visible) {
  outline: none;
}