/* ============================================
   GLOBAL STYLES - Naved Infratech
   Colors, Typography, Resets, Utilities
   ============================================ */

/* CSS Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* CSS Variables - Color Palette */
:root {
  /* Primary Colors */
  --primary: #0066cc;
  --primary-dark: #004080;
  --primary-light: #3399ff;

  /* Secondary Colors */
  --secondary: #004080;
  --accent: #ff6b35;
  --accent-light: #ff8c61;

  /* Neutral Colors */
  --white: #ffffff;
  --light-bg: #f8f9fa;
  --light-secondary: #e9ecef;
  --border-light: #e0e0e0;

  /* Text Colors */
  --text-dark: #1a1a1a;
  --text-gray: #6c757d;
  --text-light: #adb5bd;

  /* Status Colors */
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --info: #17a2b8;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
  --shadow-primary: 0 4px 15px rgba(0, 102, 204, 0.2);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

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

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

  /* Container Widths */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1400px;
}

/* Typography */
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto",
    "Oxygen", "Ubuntu", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background: var(--light-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-gray);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition-normal);
}

a:hover {
  color: var(--primary-dark);
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-2xl);
  margin: 0 auto;
  padding: 0 2rem;
}

.container-sm {
  max-width: var(--container-sm);
}

.container-md {
  max-width: var(--container-md);
}

.container-lg {
  max-width: var(--container-lg);
}

.container-xl {
  max-width: var(--container-xl);
}

/* Section Spacing */
section {
  padding: var(--spacing-xl) 0;
}

.section-sm {
  padding: var(--spacing-lg) 0;
}

.section-lg {
  padding: 8rem 0;
}

/* Section Titles */
.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--primary);
}

.section-subtitle {
  text-align: center;
  color: var(--text-gray);
  font-size: 1.125rem;
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 102, 204, 0.3);
  color: var(--white);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
}

.btn-accent {
  background: var(--accent);
  color: var(--white);
}

.btn-accent:hover {
  background: var(--accent-light);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1.125rem 2.5rem;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 0.625rem 1.5rem;
  font-size: 0.875rem;
}

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.card-text {
  color: var(--text-gray);
  line-height: 1.7;
}

/* Grid System */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Flex Utilities */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-column {
  display: flex;
  flex-direction: column;
}

/* Text Utilities */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.text-primary {
  color: var(--primary);
}

.text-secondary {
  color: var(--secondary);
}

.text-gray {
  color: var(--text-gray);
}

.text-light {
  color: var(--text-light);
}

/* Spacing Utilities */
.mt-1 {
  margin-top: var(--spacing-xs);
}
.mt-2 {
  margin-top: var(--spacing-sm);
}
.mt-3 {
  margin-top: var(--spacing-md);
}
.mt-4 {
  margin-top: var(--spacing-lg);
}

.mb-1 {
  margin-bottom: var(--spacing-xs);
}
.mb-2 {
  margin-bottom: var(--spacing-sm);
}
.mb-3 {
  margin-bottom: var(--spacing-md);
}
.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.pt-1 {
  padding-top: var(--spacing-xs);
}
.pt-2 {
  padding-top: var(--spacing-sm);
}
.pt-3 {
  padding-top: var(--spacing-md);
}
.pt-4 {
  padding-top: var(--spacing-lg);
}

.pb-1 {
  padding-bottom: var(--spacing-xs);
}
.pb-2 {
  padding-bottom: var(--spacing-sm);
}
.pb-3 {
  padding-bottom: var(--spacing-md);
}
.pb-4 {
  padding-bottom: var(--spacing-lg);
}

/* Badge */
.badge {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: rgba(0, 102, 204, 0.1);
  color: var(--primary);
}

.badge-accent {
  background: rgba(255, 107, 53, 0.1);
  color: var(--accent);
}

.badge-success {
  background: rgba(40, 167, 69, 0.1);
  color: var(--success);
}

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

/* Loading Animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* Responsive Helpers */
@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }

  section {
    padding: var(--spacing-lg) 0;
  }

  .grid {
    gap: 1.5rem;
  }

  .hide-mobile {
    display: none;
  }
}

@media (min-width: 769px) {
  .hide-desktop {
    display: none;
  }
}

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

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

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--light-bg);
}

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

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