/* Clean Corporate Premium Minimalism CSS */

/* CSS Custom Properties (Variables) */
:root {
  /* Core Brand Colors */
  --primary-color: #2c5282;
  --primary-light: #4299e1;
  --primary-dark: #1a365d;
  --secondary-color: #ed8936;
  --secondary-light: #fbb040;
  --secondary-dark: #c05621;
  
  /* Neutral Colors */
  --background-primary: #ffffff;
  --background-secondary: #f7fafc;
  --background-tertiary: #edf2f7;
  --text-primary: #2d3748;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --border-color: #e2e8f0;
  --border-light: #f7fafc;
  
  /* Interactive States */
  --hover-primary: #3182ce;
  --hover-secondary: #dd6b20;
  --focus-ring: #3182ce;
  --success-color: #38a169;
  --error-color: #e53e3e;
  --warning-color: #d69e2e;
  
  /* Typography Scale */
  --font-family-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Spacing Scale */
  --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: 6rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.375rem;
  --border-radius-lg: 0.5rem;
  --border-radius-xl: 0.75rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* Global Reset and Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  letter-spacing: -0.025em;
}

h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  letter-spacing: -0.05em;
}

h2 {
  font-size: var(--font-size-3xl);
  font-weight: 600;
}

h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

h4 {
  font-size: var(--font-size-xl);
  font-weight: 600;
}

h5 {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

h6 {
  font-size: var(--font-size-base);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: var(--space-md);
  line-height: 1.7;
  color: var(--text-secondary);
}

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

a:hover {
  color: var(--hover-primary);
  text-decoration: underline;
}

a:focus {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: var(--border-radius-sm);
}

/* Lists */
ul, ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
}

li {
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
}

/* Code Elements */
code, kbd, samp {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  font-size: 0.875em;
  background-color: var(--background-tertiary);
  padding: 0.125rem 0.25rem;
  border-radius: var(--border-radius-sm);
}

pre {
  background-color: var(--background-tertiary);
  padding: var(--space-md);
  border-radius: var(--border-radius-md);
  overflow-x: auto;
  margin-bottom: var(--space-md);
}

/* Layout Components */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--space-md);
}

/* Grid System Enhancement for Tailwind */
.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -0.75rem;
}

.col {
  flex: 1;
  padding: 0 0.75rem;
}

/* Section Layouts */
.section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.section--compact {
  padding: var(--space-2xl) 0;
}

.section--spacious {
  padding: var(--space-4xl) 0 var(--space-3xl);
}

/* Background Variations */
.bg-primary {
  background-color: var(--primary-color);
}

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

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

.bg-lighter {
  background-color: var(--background-tertiary);
}

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

/* Card Components */
.card {
  background: var(--background-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--primary-light);
}

.card--elevated {
  box-shadow: var(--shadow-md);
}

.card--flat {
  box-shadow: none;
  border-color: var(--border-light);
}

.card__header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-lg);
}

.card__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

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

.card__footer {
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-md);
  margin-top: var(--space-lg);
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.btn--primary:hover:not(:disabled) {
  background-color: var(--hover-primary);
  border-color: var(--hover-primary);
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
}

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

.btn--secondary:hover:not(:disabled) {
  background-color: var(--hover-secondary);
  border-color: var(--hover-secondary);
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
}

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

.btn--outline:hover:not(:disabled) {
  background-color: var(--primary-color);
  color: white;
  text-decoration: none;
}

.btn--ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

.btn--ghost:hover:not(:disabled) {
  background-color: var(--background-secondary);
  color: var(--text-primary);
}

.btn--small {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
}

.btn--large {
  padding: 1rem 2rem;
  font-size: var(--font-size-lg);
}

.btn--block {
  width: 100%;
}

/* Focus states for accessibility */
.btn:focus {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

/* Form Elements */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--background-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--focus-ring);
  box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-input:invalid,
.form-textarea:invalid {
  border-color: var(--error-color);
}

.form-error {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--error-color);
  margin-top: var(--space-sm);
}

.form-help {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: var(--space-sm);
}

/* Checkbox and Radio */
.form-checkbox,
.form-radio {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.form-checkbox + .form-check-label,
.form-radio + .form-check-label {
  position: relative;
  padding-left: 2rem;
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  user-select: none;
}

.form-checkbox + .form-check-label::before,
.form-radio + .form-check-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 1.25rem;
  height: 1.25rem;
  border: 1px solid var(--border-color);
  background-color: var(--background-primary);
  transition: all var(--transition-fast);
}

.form-checkbox + .form-check-label::before {
  border-radius: var(--border-radius-sm);
}

.form-radio + .form-check-label::before {
  border-radius: 50%;
}

.form-checkbox:checked + .form-check-label::before,
.form-radio:checked + .form-check-label::before {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.form-checkbox:checked + .form-check-label::after {
  content: '';
  position: absolute;
  left: 0.375rem;
  top: 0.375rem;
  width: 0.5rem;
  height: 0.5rem;
  background-color: white;
  border-radius: var(--border-radius-sm);
}

.form-radio:checked + .form-check-label::after {
  content: '';
  position: absolute;
  left: 0.375rem;
  top: 0.375rem;
  width: 0.5rem;
  height: 0.5rem;
  background-color: white;
  border-radius: 50%;
}

/* Navigation */
.navbar {
  background-color: var(--background-primary);
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.95);
}

.navbar__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.navbar__brand {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.navbar__menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-lg);
}

.navbar__link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-sm) 0;
  transition: color var(--transition-fast);
  position: relative;
}

.navbar__link:hover {
  color: var(--primary-color);
  text-decoration: none;
}

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

.navbar__link:hover::after,
.navbar__link.active::after {
  width: 100%;
}

/* Hero Section */
.hero {
  padding: var(--space-4xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  line-height: 1.1;
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Feature Grid */
.features {
  padding: var(--space-4xl) 0;
  background-color: var(--background-secondary);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.feature-card {
  text-align: center;
  padding: var(--space-xl);
  background: var(--background-primary);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.feature-card__icon {
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  color: white;
  font-size: var(--font-size-xl);
}

.feature-card__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.feature-card__description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Content Sections */
.content-section {
  padding: var(--space-4xl) 0;
}

.content-section:nth-child(even) {
  background-color: var(--background-secondary);
}

.content-section__header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-3xl);
}

.content-section__title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.content-section__description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Footer */
.footer {
  background-color: var(--background-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--space-3xl) 0 var(--space-xl);
  margin-top: auto;
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer__section h5 {
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__links li {
  margin-bottom: var(--space-sm);
}

.footer__links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--primary-color);
  text-decoration: none;
}

.footer__bottom {
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-lg);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success-color); }
.text-error { color: var(--error-color); }
.text-warning { color: var(--warning-color); }

.bg-white { background-color: var(--background-primary); }
.bg-light { background-color: var(--background-secondary); }
.bg-lighter { background-color: var(--background-tertiary); }

/* Spacing Utilities */
.m-0 { margin: 0; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.ml-0 { margin-left: 0; }
.mr-0 { margin-right: 0; }

.p-0 { padding: 0; }
.pt-0 { padding-top: 0; }
.pb-0 { padding-bottom: 0; }
.pl-0 { padding-left: 0; }
.pr-0 { padding-right: 0; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* Display Utilities */
.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* Flexbox Utilities */
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --space-4xl: 3rem;
    --space-3xl: 2.5rem;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .hero {
    padding: var(--space-3xl) 0;
  }
  
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .features__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .footer__content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .navbar__menu {
    display: none;
  }
}

@media (max-width: 480px) {
  .card {
    padding: var(--space-lg);
  }
  
  .hero__title {
    font-size: 2rem;
  }
  
  .content-section__title {
    font-size: var(--font-size-2xl);
  }
}

/* Print Styles */
@media print {
  .navbar,
  .footer {
    display: none;
  }
  
  .section {
    padding: 1rem 0;
    break-inside: avoid;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ccc;
    break-inside: avoid;
  }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --text-secondary: #000000;
    --text-muted: #333333;
  }
}

/* Reduced Motion Support */
@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;
  }
}

/* Dark Mode Support (for future implementation) */
@media (prefers-color-scheme: dark) {
  /* Ready for dark mode implementation */
  /* Currently maintaining light theme as specified */
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}