/* 
  ANJPRA Technologies - Core Stylesheet 
  Pure CSS implementation (No Tailwind/Bootstrap)
*/

:root {
  /* Colors */
  --color-primary: #0056b3;
  --color-primary-hover: #004494;
  --color-secondary: #0a192f;
  --color-text-main: #333333;
  --color-text-muted: #666666;
  --color-bg-light: #ffffff;
  --color-bg-alt: #f8f9fa;
  --color-border: #e2e8f0;

  /* Typography */
  --font-family-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  /* Layout */
  --container-width: 1200px;
  --header-height: 80px;

  /* Borders & Shadows */
  --border-radius: 8px;
  --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --box-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family-sans);
  color: var(--color-text-main);
  background-color: var(--color-bg-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

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

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-secondary);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: var(--spacing-sm);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

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

.section-bg-alt {
  background-color: var(--color-bg-alt);
}

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

.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* Components: Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  border: 2px solid transparent;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-bg-light);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--color-primary-hover);
  color: var(--color-bg-light);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-bg-light);
  border-color: var(--color-bg-light);
}

.btn-secondary:hover, .btn-secondary:focus {
  background-color: var(--color-bg-light);
  color: var(--color-secondary);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background-color: transparent;
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.btn-outline-dark:hover, .btn-outline-dark:focus {
  background-color: var(--color-secondary);
  color: var(--color-bg-light);
  transform: translateY(-2px);
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--color-bg-light);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background-color var(--transition-normal);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-secondary);
}

.logo img {
  height: 60px;
  max-height: 65px;
  width: auto;
  object-fit: contain;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--spacing-md);
}

.nav-links a {
  color: var(--color-secondary);
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

.nav-links a:hover::after, .nav-links a:focus::after {
  width: 100%;
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-bg-light);
  min-width: 250px;
  box-shadow: var(--box-shadow);
  border-radius: var(--border-radius);
  z-index: 1001;
  padding: var(--spacing-xs) 0;
}

.dropdown:hover .dropdown-content,
.dropdown:focus-within .dropdown-content {
  display: block;
}

.dropdown-content li {
  list-style: none;
}

.dropdown-content a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--color-text-main);
}

.dropdown-content a::after {
  display: none;
}

.dropdown-content a:hover, .dropdown-content a:focus {
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-secondary);
}

/* Main Content Padding (for fixed header) */
main {
  padding-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

/* Hero Section */
.hero {
  background-color: var(--color-secondary);
  color: var(--color-bg-light);
  padding: var(--spacing-xl) 0;
  position: relative;
  overflow: hidden;
}

.hero h1 {
  color: var(--color-bg-light);
}

.hero p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 800px;
  margin-bottom: var(--spacing-md);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Cards */
.card {
  background: var(--color-bg-light);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: var(--box-shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

.card-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.card-body {
  color: var(--color-text-muted);
  flex-grow: 1;
}

.card-link {
  margin-top: var(--spacing-sm);
  display: inline-block;
  font-weight: 600;
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-secondary);
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

/* Footer */
.footer {
  background-color: #050d18;
  color: rgba(255, 255, 255, 0.7);
  padding: var(--spacing-lg) 0 var(--spacing-md) 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

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

.footer-logo {
  color: var(--color-bg-light);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
}

.footer-logo img {
  height: 30px;
  margin-right: 10px;
}

.footer-title {
  color: var(--color-bg-light);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover, .footer-links a:focus {
  color: var(--color-primary);
}

.footer-bottom {
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}