/* Main CSS for Website Access Restriction Tool Documentation */
/* Inspired by Cloudflare Docs design */

/* CSS Variables for theming */
:root {
  /* Colors */
  --primary-color: #f48120;
  --primary-hover: #e67a00;
  --secondary-color: #041e42;
  --secondary-hover: #031735;
  --text-color: #374151;
  --text-light: #6b7280;
  --text-lighter: #9ca3af;
  --border-color: #e5e7eb;
  --background-color: #ffffff;
  --background-light: #f9fafb;
  --background-lighter: #f3f4f6;
  --code-background: #1e293b;
  --code-color: #e2e8f0;
  --highlight-color: #fef3c7;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', Monaco, Inconsolata, 'Roboto Mono', 'Source Code Pro', monospace;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 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-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* Reset and base styles */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Notification Banner */
.notification-banner {
  background-color: var(--warning-color);
  color: white;
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 101;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.notification-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.notification-banner p {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  flex: 1;
  min-width: 280px;
}

@media (max-width: 768px) {
  .notification-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .notification-banner p {
    margin-bottom: var(--spacing-sm);
  }
  
  .notification-dismiss {
    align-self: flex-end;
  }
}

.notification-dismiss {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: white;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.notification-dismiss:hover,
.notification-dismiss:focus {
  background: rgba(255, 255, 255, 0.3);
  transform: rotate(90deg);
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--primary-color);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 6px;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

@media (min-width: 640px) {
  .container {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--spacing-xl);
    padding-right: var(--spacing-xl);
  }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--background-color);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo a {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--secondary-color);
  font-weight: 600;
}

.logo img {
  margin-right: var(--spacing-sm);
}

.logo-text {
  font-size: 1.125rem;
  font-weight: 600;
}

/* Navigation */
.main-navigation {
  display: none;
}

@media (min-width: 768px) {
  .main-navigation {
    display: block;
  }
}

.nav-list {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  color: var(--text-color);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus {
  color: var(--primary-color);
  background-color: var(--background-light);
}

.nav-link.active {
  color: var(--primary-color);
  font-weight: 500;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.search-toggle,
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-color);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.search-toggle:hover,
.search-toggle:focus,
.mobile-menu-toggle:hover,
.mobile-menu-toggle:focus {
  color: var(--primary-color);
  background-color: var(--background-light);
}

.mobile-menu-toggle {
  flex-direction: column;
  justify-content: space-between;
  height: 24px;
  padding: 0;
}

.hamburger {
  width: 20px;
  height: 2px;
  background-color: currentColor;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }
}

/* Search Container */
.search-container {
  display: none;
  padding: var(--spacing-md) 0;
  background-color: var(--background-color);
  border-bottom: 1px solid var(--border-color);
}

.search-container.is-open {
  display: block;
}

.search-input-wrapper {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.search-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg) var(--spacing-md) var(--spacing-lg);
  font-size: 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background-color: var(--background-light);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(244, 129, 32, 0.1);
}

.search-close {
  position: absolute;
  right: var(--spacing-sm);
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-light);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.search-close:hover,
.search-close:focus {
  color: var(--text-color);
  background-color: var(--background-light);
}

.search-results {
  margin-top: var(--spacing-md);
  max-height: 400px;
  overflow-y: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Main Content */
.main-content {
  min-height: calc(100vh - 64px);
}

/* Hero Section */
.hero-section {
  padding: var(--spacing-2xl) 0 var(--spacing-4xl);
  background: linear-gradient(135deg, var(--background-light) 0%, #f0f4f8 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(244, 129, 32, 0.1) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 var(--spacing-xl);
  color: var(--secondary-color);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  letter-spacing: -0.5px;
}

.hero-description {
  font-size: 1.375rem;
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
  color: var(--text-light);
  line-height: 1.7;
  letter-spacing: 0.2px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  align-items: center;
}

@media (min-width: 768px) {
  .hero-section {
    padding: var(--spacing-4xl) 0 var(--spacing-5xl);
  }
  
  .hero-title {
    font-size: 4rem;
    margin-bottom: var(--spacing-xl);
  }
  
  .hero-description {
    font-size: 1.5rem;
  }
  
  .hero-actions {
    gap: var(--spacing-xl);
  }
}

@media (min-width: 1200px) {
  .hero-title {
    font-size: 4.5rem;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  border: 2px solid transparent;
  line-height: 1.5;
  min-height: 48px;
  min-width: 120px;
}

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

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

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

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

.btn-secondary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Content Categories */
.content-categories {
  padding: var(--spacing-2xl) 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin: 0 0 var(--spacing-2xl);
  color: var(--secondary-color);
  line-height: 1.2;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 3rem;
  }
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.category-card {
  padding: var(--spacing-2xl);
  background-color: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal) ease-in-out;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--warning-color));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal) ease-in-out;
}

.category-card:hover,
.category-card:focus-within {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.category-card:hover::before,
.category-card:focus-within::before {
  transform: scaleX(1);
}

.category-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin-bottom: var(--spacing-lg);
  background-color: var(--background-light);
  border-radius: var(--radius-lg);
  color: var(--primary-color);
  transition: all var(--transition-normal) ease-in-out;
}

.category-card:hover .category-icon,
.category-card:focus-within .category-icon {
  background-color: rgba(244, 129, 32, 0.1);
  transform: scale(1.1) rotate(5deg);
}

.category-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 var(--spacing-md);
  color: var(--secondary-color);
  line-height: 1.3;
}

.category-description {
  margin: 0 0 var(--spacing-xl);
  color: var(--text-light);
  font-size: 1.05rem;
  line-height: 1.7;
}

.category-link {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  color: var(--primary-color);
  text-decoration: none;
  transition: all var(--transition-fast) ease-in-out;
  font-size: 1.05rem;
}

.category-link::after {
  content: '→';
  margin-left: var(--spacing-xs);
  transition: transform var(--transition-fast) ease-in-out;
  font-weight: bold;
}

.category-link:hover,
.category-link:focus {
  color: var(--primary-hover);
}

.category-link:hover::after,
.category-link:focus::after {
  transform: translateX(4px);
}

/* Quick Links */
.quick-links {
  padding: var(--spacing-2xl) 0;
  background-color: var(--background-light);
  position: relative;
  overflow: hidden;
}

.quick-links::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.quick-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.quick-link {
  display: block;
  padding: var(--spacing-2xl);
  background-color: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-color);
  transition: all var(--transition-normal) ease-in-out;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.quick-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--primary-color);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal) ease-in-out;
}

.quick-link:hover,
.quick-link:focus {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.quick-link:hover::before,
.quick-link:focus::before {
  transform: scaleX(1);
}

.quick-link h3 {
  font-size: 1.375rem;
  font-weight: 700;
  margin: 0 0 var(--spacing-md);
  color: var(--secondary-color);
  line-height: 1.3;
  transition: color var(--transition-fast) ease-in-out;
}

.quick-link:hover h3,
.quick-link:focus h3 {
  color: var(--primary-color);
}

.quick-link p {
  margin: 0;
  color: var(--text-light);
  font-size: 1.05rem;
  line-height: 1.7;
}

.quick-link:hover p,
.quick-link:focus p {
  color: var(--text-color);
}

/* Footer */
/* Old Versions Section */
#old-versions {
  background-color: var(--background-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

#old-versions h2 {
  color: var(--text-color);
  margin-bottom: var(--spacing-lg);
  font-size: 1.5rem;
  font-weight: 600;
}

#old-versions h3 {
  color: var(--text-color);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
  font-weight: 500;
}

#old-versions p {
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

#old-versions ul,
#old-versions ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

#old-versions li {
  margin-bottom: var(--spacing-xs);
  line-height: 1.6;
}

#old-versions .alert {
  margin-top: var(--spacing-lg);
}

.site-footer {
  background-color: var(--secondary-color);
  color: white;
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 var(--spacing-md);
}

.footer-section ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-section a:hover,
.footer-section a:focus {
  color: white;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-links a:focus {
  color: white;
}

@media (max-width: 767px) {
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
  
  .footer-links {
    justify-content: center;
  }
}

/* Responsive adjustments */
@media (max-width: 767px) {
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .category-grid {
    grid-template-columns: 1fr;
  }
  
  .quick-links-grid {
    grid-template-columns: 1fr;
  }
}