/* ========================================
   BASE.CSS — Design System Foundation
   Reset, CSS Custom Properties, Typography
   ======================================== */

/* ----------------------------------------
   1. CSS RESET
   ---------------------------------------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Poppins', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

ul, ol {
  list-style: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ----------------------------------------
   2. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ---------------------------------------- */
:root {
  /* --- Brand Colors --- */
  --color-primary: #0c5ca8;
  --color-primary-dark: #094a86;
  --color-primary-darker: #073a6b;
  --color-primary-light: #e8f0fe;
  --color-primary-rgb: 12, 92, 168;

  /* --- Accent Colors --- */
  --color-whatsapp: #25D366;
  --color-whatsapp-dark: #075e54;
  --color-star: #ffc107;
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;

  /* --- Neutral Colors --- */
  --color-white: #ffffff;
  --color-bg: #f9fafb;
  --color-bg-alt: #f3f4f6;
  --color-border: #e5e7eb;
  --color-border-light: #f0f0f0;
  --color-text: #1f2937;
  --color-text-secondary: #4b5563;
  --color-text-muted: #6b7280;
  --color-text-light: #9ca3af;
  --color-dark: #111827;
  --color-dark-secondary: #1f2937;
  --color-dark-muted: #374151;

  /* --- Gradients --- */
  --gradient-primary: linear-gradient(135deg, #0c5ca8 0%, #0e6bbd 100%);
  --gradient-primary-reverse: linear-gradient(135deg, #0e6bbd 0%, #0c5ca8 100%);
  --gradient-primary-wide: linear-gradient(95deg, #0c5ca8 0%, #0e6bbd 100%);
  --gradient-offer: linear-gradient(135deg, #fef9e6 0%, #fff4e0 100%);
  --gradient-hero: linear-gradient(135deg, #f0f9ff 0%, #e6f0fa 100%);
  --gradient-dark: linear-gradient(135deg, #0c5ca8, #0a4a82);

  /* --- Spacing Scale --- */
  --space-2xs: 0.25rem;   /* 4px */
  --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: 6rem;      /* 96px */

  /* --- Typography Scale --- */
  --text-xs: 0.65rem;
  --text-sm: 0.75rem;
  --text-base: 0.85rem;
  --text-md: 0.9rem;
  --text-lg: 1rem;
  --text-xl: 1.2rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.8rem;
  --text-4xl: 2.2rem;
  --text-5xl: 2.8rem;

  /* --- Font Weights --- */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  --font-black: 900;

  /* --- Border Radius --- */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* --- Shadows --- */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 15px 30px -10px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 25px 45px -12px rgba(0, 0, 0, 0.25);
  --shadow-primary: 0 8px 20px rgba(12, 92, 168, 0.3);
  --shadow-primary-lg: 0 12px 20px -8px rgba(12, 92, 168, 0.3);
  --shadow-float: 0 6px 16px rgba(0, 0, 0, 0.25);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
  --shadow-card-hover: 0 20px 25px -12px rgba(12, 92, 168, 0.15);

  /* --- Transitions --- */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);

  /* --- Z-Index Scale --- */
  --z-dropdown: 100;
  --z-sticky: 500;
  --z-modal-backdrop: 900;
  --z-modal: 950;
  --z-float: 999;
  --z-toast: 1000;

  /* --- Container --- */
  --container-max: 1400px;
  --container-padding: clamp(1rem, 4vw, 3rem);
}

/* ----------------------------------------
   3. CUSTOM FONT FACE — Good Times Rg
   Defined once here, used everywhere.
   ---------------------------------------- */
@font-face {
  font-family: 'Good Times Rg';
  src: url('../fonts/good-times-rg.otf') format('opentype'),
       url('../fonts/good-times-rg.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* ----------------------------------------
   4. TYPOGRAPHY RULES
   ---------------------------------------- */

/* Brand / heading font: Good Times Rg */
h1, h2, h3,
.good-times,
.zeetech-brand,
.nav-link {
  font-family: 'Good Times Rg', 'Poppins', 'Segoe UI', sans-serif;
  letter-spacing: 0.05em;
}

/* Body text font: Poppins */
p, span, div, a, button, input, textarea, select, label {
  font-family: 'Poppins', sans-serif;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: var(--font-extrabold);
  line-height: 1.2;
  color: var(--color-text);
}

h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: var(--font-bold);
  line-height: 1.3;
  color: var(--color-text);
}

h3 {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: var(--font-bold);
  line-height: 1.4;
  color: var(--color-text);
}

p {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text-secondary);
}

/* ----------------------------------------
   5. UTILITY CLASSES
   (Minimal — Tailwind handles most utils)
   ---------------------------------------- */

/* Brand color utilities */
.bg-zeetech { background-color: var(--color-primary); }
.text-zeetech { color: var(--color-primary); }
.border-zeetech { border-color: var(--color-primary); }

/* Section backgrounds */
.gradient-bg { background: var(--gradient-hero); }

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

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