/* 
 * Adnimi - Design iOS Moderne
 * Version 1.0 - Design System iOS
 */

/* ==========================================================================
   1. Variables & Reset
   ========================================================================== */

:root {
  /* Couleurs iOS 17 - Palettes modernes */
  --ios-blue: #007AFF;
  --ios-blue-dark: #0056CC;
  --ios-blue-light: #5AC8FA;
  --ios-indigo: #5856D6;
  --ios-purple: #AF52DE;
  --ios-pink: #FF2D55;
  --ios-red: #FF3B30;
  --ios-orange: #FF9500;
  --ios-yellow: #FFCC00;
  --ios-green: #34C759;
  --ios-teal: #5AC8FA;
  --ios-cyan: #32ADE6;
  
  /* Backgrounds - iOS 17 Glassmorphism */
  --ios-background-primary: #F2F2F7;
  --ios-background-secondary: #FFFFFF;
  --ios-background-tertiary: #F8F8FA;
  --ios-background-elevated: rgba(255, 255, 255, 0.8);
  
  /* Text Colors - iOS Dynamic */
  --ios-text-primary: #000000;
  --ios-text-secondary: #3C3C43;
  --ios-text-tertiary: #8E8E93;
  --ios-text-quaternary: #C7C7CC;
  --ios-text-placeholder: #8E8E93;
  
  /* Borders & Separators */
  --ios-border-primary: #C6C6C8;
  --ios-border-secondary: #E5E5EA;
  --ios-border-tertiary: #F2F2F7;
  
  /* System Colors */
  --ios-system-red: #FF3B30;
  --ios-system-orange: #FF9500;
  --ios-system-yellow: #FFCC00;
  --ios-system-green: #34C759;
  --ios-system-teal: #5AC8FA;
  --ios-system-blue: #007AFF;
  --ios-system-indigo: #5856D6;
  --ios-system-purple: #AF52DE;
  --ios-system-pink: #FF2D55;
  
  /* Effects - iOS 17 */
  --ios-shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.04);
  --ios-shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --ios-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --ios-shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.16);
  
  /* Blur Effects - Glassmorphism */
  --ios-blur-light: blur(20px);
  --ios-blur-medium: blur(30px);
  --ios-blur-heavy: blur(40px);
  
  /* Transitions - iOS Timing */
  --ios-timing-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ios-timing-normal: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ios-timing-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ios-timing-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Spacing - iOS 8pt Grid */
  --ios-space-xs: 4px;
  --ios-space-sm: 8px;
  --ios-space-md: 16px;
  --ios-space-lg: 24px;
  --ios-space-xl: 32px;
  --ios-space-2xl: 48px;
  --ios-space-3xl: 64px;
  
  /* Border Radius */
  --ios-radius-sm: 8px;
  --ios-radius-md: 12px;
  --ios-radius-lg: 16px;
  --ios-radius-xl: 20px;
  --ios-radius-2xl: 28px;
  --ios-radius-full: 9999px;
  
  /* Typography */
  --ios-font-large-title: 700 34px/41px -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  --ios-font-title1: 700 28px/34px -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  --ios-font-title2: 700 22px/28px -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  --ios-font-title3: 600 20px/25px -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  --ios-font-headline: 600 17px/22px -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;
  --ios-font-body: 400 17px/22px -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;
  --ios-font-callout: 400 16px/21px -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;
  --ios-font-subhead: 400 15px/20px -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;
  --ios-font-footnote: 400 13px/18px -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;
  --ios-font-caption1: 400 12px/16px -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;
  --ios-font-caption2: 400 11px/13px -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;
}

/* Dark Mode Variables */
@media (prefers-color-scheme: dark) {
  :root {
    --ios-background-primary: #000000;
    --ios-background-secondary: #1C1C1E;
    --ios-background-tertiary: #2C2C2E;
    --ios-background-elevated: rgba(28, 28, 30, 0.8);
    
    --ios-text-primary: #FFFFFF;
    --ios-text-secondary: #EBEBF5;
    --ios-text-tertiary: #8E8E93;
    --ios-text-quaternary: #636366;
    
    --ios-border-primary: #38383A;
    --ios-border-secondary: #2C2C2E;
    --ios-border-tertiary: #3A3A3C;
  }
}

/* Reset & Base Styles */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font: var(--ios-font-body);
  background-color: var(--ios-background-primary);
  color: var(--ios-text-primary);
  line-height: 1.47059;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

/* Selection */
::selection {
  background-color: var(--ios-blue);
  color: white;
}

/* Focus Outline */
:focus-visible {
  outline: 2px solid var(--ios-blue);
  outline-offset: 2px;
}

/* ==========================================================================
   2. Typography
   ========================================================================== */

/* Large Title */
.ios-large-title {
  font: var(--ios-font-large-title);
  letter-spacing: -0.02em;
  margin-bottom: var(--ios-space-lg);
}

/* Title 1 */
.ios-title-1 {
  font: var(--ios-font-title1);
  letter-spacing: -0.01em;
  margin-bottom: var(--ios-space-md);
}

/* Title 2 */
.ios-title-2 {
  font: var(--ios-font-title2);
  letter-spacing: -0.01em;
  margin-bottom: var(--ios-space-sm);
}

/* Title 3 */
.ios-title-3 {
  font: var(--ios-font-title3);
  margin-bottom: var(--ios-space-sm);
}

/* Headline */
.ios-headline {
  font: var(--ios-font-headline);
  margin-bottom: var(--ios-space-sm);
}

/* Body */
.ios-body {
  font: var(--ios-font-body);
  color: var(--ios-text-secondary);
}

/* Callout */
.ios-callout {
  font: var(--ios-font-callout);
  color: var(--ios-text-secondary);
}

/* Subhead */
.ios-subhead {
  font: var(--ios-font-subhead);
  color: var(--ios-text-tertiary);
}

/* Footnote */
.ios-footnote {
  font: var(--ios-font-footnote);
  color: var(--ios-text-tertiary);
}

/* Caption */
.ios-caption-1 {
  font: var(--ios-font-caption1);
  color: var(--ios-text-tertiary);
}

.ios-caption-2 {
  font: var(--ios-font-caption2);
  color: var(--ios-text-tertiary);
}

/* Links */
a {
  color: var(--ios-blue);
  text-decoration: none;
  transition: color var(--ios-timing-fast);
  position: relative;
}

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

a:active {
  opacity: 0.7;
}

/* Paragraphs */
p {
  margin-bottom: var(--ios-space-md);
  line-height: 1.47059;
}

p:last-child {
  margin-bottom: 0;
}

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

li {
  margin-bottom: var(--ios-space-xs);
  line-height: 1.47059;
}

/* ==========================================================================
   3. Navigation - iOS Modern Design
   ========================================================================== */

/* Main Navigation Container */
.ios-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 64px;
  background: var(--ios-background-elevated);
  backdrop-filter: var(--ios-blur-medium);
  -webkit-backdrop-filter: var(--ios-blur-medium);
  border-bottom: 1px solid var(--ios-border-secondary);
  transition: all var(--ios-timing-normal);
  will-change: transform, backdrop-filter;
}

/* Nav Scrolled State */
.ios-nav.scrolled {
  background: var(--ios-background-elevated);
  backdrop-filter: var(--ios-blur-heavy);
  -webkit-backdrop-filter: var(--ios-blur-heavy);
  box-shadow: var(--ios-shadow-md);
}

/* Nav Content Container */
.nav-content {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--ios-space-lg);
  position: relative;
}

/* Logo Container */
.logo-container {
  display: flex;
  align-items: center;
  gap: var(--ios-space-sm);
  text-decoration: none;
  transition: transform var(--ios-timing-fast);
  position: relative;
  z-index: 1001;
}

.logo-container:hover {
  transform: scale(1.02);
}

.logo-container:active {
  transform: scale(0.98);
}

/* Logo Image */
.logo {
  height: 36px;
  width: 36px;
  border-radius: var(--ios-radius-md);
  object-fit: contain;
  background: linear-gradient(135deg, var(--ios-blue) 0%, var(--ios-indigo) 100%);
  padding: var(--ios-space-xs);
  box-shadow: var(--ios-shadow-sm);
  transition: all var(--ios-timing-normal);
}

.logo:hover {
  transform: rotate(-5deg) scale(1.1);
  box-shadow: var(--ios-shadow-md);
}

/* Brand Name */
.brand-name {
  font: var(--ios-font-title3);
  font-weight: 700;
  color: var(--ios-text-primary);
  background: linear-gradient(135deg, var(--ios-text-primary) 0%, var(--ios-text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.01em;
}

/* Navigation List */
.ios-nav-list {
  display: flex;
  align-items: center;
  gap: var(--ios-space-xl);
  list-style: none;
  position: relative;
}

/* Navigation Items */
.ios-nav-item {
  position: relative;
}

/* Navigation Links */
.ios-nav-link {
  font: var(--ios-font-subhead);
  font-weight: 500;
  color: var(--ios-text-secondary);
  text-decoration: none;
  padding: var(--ios-space-sm) var(--ios-space-xs);
  position: relative;
  transition: all var(--ios-timing-fast);
  display: flex;
  align-items: center;
  gap: var(--ios-space-xs);
  white-space: nowrap;
}

.ios-nav-link:hover {
  color: var(--ios-text-primary);
}

.ios-nav-link:active {
  transform: scale(0.95);
}

/* Active Navigation Link */
.ios-nav-link.active {
  color: var(--ios-blue);
  font-weight: 600;
}

.ios-nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--ios-blue);
  border-radius: var(--ios-radius-full);
  transform: scaleX(1);
  animation: navActive var(--ios-timing-normal) cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes navActive {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* Navigation Link Icons */
.nav-icon {
  font-size: 18px;
  opacity: 0.8;
  transition: opacity var(--ios-timing-fast);
}

.ios-nav-link:hover .nav-icon {
  opacity: 1;
}

.ios-nav-link.active .nav-icon {
  color: var(--ios-blue);
  opacity: 1;
}

/* Navigation Dropdown */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  background: var(--ios-background-elevated);
  backdrop-filter: var(--ios-blur-heavy);
  -webkit-backdrop-filter: var(--ios-blur-heavy);
  border-radius: var(--ios-radius-lg);
  border: 1px solid var(--ios-border-secondary);
  box-shadow: var(--ios-shadow-lg);
  padding: var(--ios-space-sm);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--ios-timing-normal);
  z-index: 1002;
}

.ios-nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-link {
  display: flex;
  align-items: center;
  gap: var(--ios-space-sm);
  padding: var(--ios-space-sm) var(--ios-space-md);
  border-radius: var(--ios-radius-md);
  color: var(--ios-text-secondary);
  text-decoration: none;
  transition: all var(--ios-timing-fast);
  font: var(--ios-font-subhead);
}

.nav-dropdown-link:hover {
  background: var(--ios-background-tertiary);
  color: var(--ios-text-primary);
  transform: translateX(4px);
}

.nav-dropdown-link:active {
  background: var(--ios-background-tertiary);
  transform: scale(0.98);
}

.nav-dropdown-link.active {
  color: var(--ios-blue);
  background: rgba(0, 122, 255, 0.1);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: var(--ios-radius-md);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--ios-text-primary);
  transition: all var(--ios-timing-fast);
  position: relative;
  z-index: 1001;
}

.menu-toggle:hover {
  background: var(--ios-background-tertiary);
}

.menu-toggle:active {
  transform: scale(0.95);
}

.menu-toggle .hamburger {
  width: 20px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: all var(--ios-timing-normal);
}

.menu-toggle .hamburger::before,
.menu-toggle .hamburger::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: all var(--ios-timing-normal);
}

.menu-toggle .hamburger::before {
  top: -6px;
}

.menu-toggle .hamburger::after {
  bottom: -6px;
}

.menu-toggle.active .hamburger {
  background: transparent;
}

.menu-toggle.active .hamburger::before {
  transform: rotate(45deg);
  top: 0;
}

.menu-toggle.active .hamburger::after {
  transform: rotate(-45deg);
  bottom: 0;
}

/* ==========================================================================
   4. Layout & Containers
   ========================================================================== */

/* Main Container */
.ios-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--ios-space-lg);
  position: relative;
}

/* Main Content */
main {
  padding-top: 80px;
  min-height: calc(100vh - 160px);
  position: relative;
}

/* Section Spacing */
section {
  margin-bottom: var(--ios-space-3xl);
  position: relative;
}

section:last-child {
  margin-bottom: 0;
}

/* Hero Section */
.hero-section {
  padding: var(--ios-space-3xl) 0;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 70% 30%, rgba(0, 122, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Card Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--ios-space-lg);
  margin-top: var(--ios-space-xl);
}

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

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

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-sm {
  gap: var(--ios-space-sm);
}

.gap-md {
  gap: var(--ios-space-md);
}

.gap-lg {
  gap: var(--ios-space-lg);
}

.gap-xl {
  gap: var(--ios-space-xl);
}

/* ==========================================================================
   5. Cards - iOS Modern Design
   ========================================================================== */

/* Base Card */
.ios-card {
  background: var(--ios-background-secondary);
  border-radius: var(--ios-radius-xl);
  border: 1px solid var(--ios-border-secondary);
  box-shadow: var(--ios-shadow-sm);
  transition: all var(--ios-timing-normal);
  position: relative;
  overflow: hidden;
  will-change: transform, box-shadow;
}

.ios-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ios-border-primary), transparent);
  opacity: 0.3;
}

/* Card Hover Effects */
.ios-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ios-shadow-lg);
  border-color: var(--ios-border-primary);
}

.ios-card:active {
  transform: translateY(-2px) scale(0.995);
  transition: all var(--ios-timing-fast);
}

/* Card Content */
.ios-card-content {
  padding: var(--ios-space-xl);
  position: relative;
  z-index: 1;
}

/* Card Header */
.ios-card-header {
  margin-bottom: var(--ios-space-lg);
  position: relative;
}

.ios-card-header::after {
  content: '';
  position: absolute;
  bottom: calc(-1 * var(--ios-space-md));
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--ios-blue);
  border-radius: var(--ios-radius-full);
}

/* Card Footer */
.ios-card-footer {
  margin-top: var(--ios-space-xl);
  padding-top: var(--ios-space-lg);
  border-top: 1px solid var(--ios-border-tertiary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Card Variants */
.ios-card-primary {
  background: linear-gradient(135deg, var(--ios-blue) 0%, var(--ios-indigo) 100%);
  color: white;
  border: none;
}

.ios-card-primary .ios-card-header::after {
  background: white;
}

.ios-card-elevated {
  background: var(--ios-background-elevated);
  backdrop-filter: var(--ios-blur-light);
  -webkit-backdrop-filter: var(--ios-blur-light);
}

/* Card with Image */
.ios-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--ios-radius-lg) var(--ios-radius-lg) 0 0;
}

/* ==========================================================================
   6. Buttons - iOS Modern Design
   ========================================================================== */

/* Base Button */
.ios-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ios-space-sm);
  padding: var(--ios-space-md) var(--ios-space-xl);
  font: var(--ios-font-headline);
  font-weight: 600;
  border: none;
  border-radius: var(--ios-radius-lg);
  cursor: pointer;
  transition: all var(--ios-timing-normal);
  position: relative;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  text-decoration: none;
  text-align: center;
  will-change: transform, background-color;
}

.ios-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.ios-button:active::before {
  width: 300px;
  height: 300px;
}

/* Button States */
.ios-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--ios-shadow-md);
}

.ios-button:active {
  transform: translateY(0) scale(0.98);
  transition: all var(--ios-timing-fast);
}

.ios-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Button Variants */
.ios-button-primary {
  background: var(--ios-blue);
  color: white;
  box-shadow: 0 4px 16px rgba(0, 122, 255, 0.3);
}

.ios-button-primary:hover {
  background: var(--ios-blue-dark);
  box-shadow: 0 6px 24px rgba(0, 122, 255, 0.4);
}

.ios-button-secondary {
  background: var(--ios-indigo);
  color: white;
  box-shadow: 0 4px 16px rgba(88, 86, 214, 0.3);
}

.ios-button-secondary:hover {
  background: #4A4AC4;
  box-shadow: 0 6px 24px rgba(88, 86, 214, 0.4);
}

.ios-button-success {
  background: var(--ios-green);
  color: white;
  box-shadow: 0 4px 16px rgba(52, 199, 89, 0.3);
}

.ios-button-danger {
  background: var(--ios-red);
  color: white;
  box-shadow: 0 4px 16px rgba(255, 59, 48, 0.3);
}

.ios-button-warning {
  background: var(--ios-orange);
  color: white;
  box-shadow: 0 4px 16px rgba(255, 149, 0, 0.3);
}

/* Outline Button */
.ios-button-outline {
  background: transparent;
  color: var(--ios-blue);
  border: 1.5px solid var(--ios-blue);
  box-shadow: none;
}

.ios-button-outline:hover {
  background: rgba(0, 122, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: var(--ios-shadow-sm);
}

/* Ghost Button */
.ios-button-ghost {
  background: transparent;
  color: var(--ios-text-secondary);
  box-shadow: none;
}

.ios-button-ghost:hover {
  background: var(--ios-background-tertiary);
  color: var(--ios-text-primary);
}

/* Button Sizes */
.ios-button-sm {
  padding: var(--ios-space-sm) var(--ios-space-lg);
  font: var(--ios-font-footnote);
  font-weight: 600;
  border-radius: var(--ios-radius-md);
}

.ios-button-lg {
  padding: var(--ios-space-lg) var(--ios-space-2xl);
  font: var(--ios-font-title3);
  font-weight: 600;
  border-radius: var(--ios-radius-xl);
}

.ios-button-full {
  width: 100%;
}

/* Button with Icon */
.ios-button-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--ios-radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Button Group */
.button-group {
  display: inline-flex;
  gap: var(--ios-space-xs);
  border-radius: var(--ios-radius-lg);
  overflow: hidden;
  border: 1px solid var(--ios-border-secondary);
}

.button-group .ios-button {
  border-radius: 0;
  border: none;
  position: relative;
}

.button-group .ios-button:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--ios-border-secondary);
}

/* ==========================================================================
   7. Form Elements - iOS Modern Design
   ========================================================================== */

/* Form Group */
.form-group {
  margin-bottom: var(--ios-space-xl);
  position: relative;
}

/* Form Label */
.form-label {
  display: block;
  margin-bottom: var(--ios-space-sm);
  font: var(--ios-font-subhead);
  font-weight: 600;
  color: var(--ios-text-primary);
  user-select: none;
}

/* Required Indicator */
.form-label.required::after {
  content: ' *';
  color: var(--ios-red);
}

/* Form Hint */
.form-hint {
  display: block;
  margin-top: var(--ios-space-xs);
  font: var(--ios-font-footnote);
  color: var(--ios-text-tertiary);
}

/* Form Error */
.form-error {
  display: block;
  margin-top: var(--ios-space-xs);
  font: var(--ios-font-footnote);
  color: var(--ios-red);
  animation: slideDown var(--ios-timing-fast);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Input Base */
.ios-input {
  width: 100%;
  padding: var(--ios-space-md) var(--ios-space-lg);
  font: var(--ios-font-body);
  color: var(--ios-text-primary);
  background: var(--ios-background-tertiary);
  border: 1.5px solid var(--ios-border-secondary);
  border-radius: var(--ios-radius-lg);
  transition: all var(--ios-timing-normal);
  appearance: none;
  -webkit-appearance: none;
  position: relative;
}

.ios-input:hover {
  border-color: var(--ios-border-primary);
  background: var(--ios-background-secondary);
}

.ios-input:focus {
  outline: none;
  border-color: var(--ios-blue);
  background: var(--ios-background-secondary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
  transform: translateY(-1px);
}

.ios-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.ios-input::placeholder {
  color: var(--ios-text-tertiary);
  font: var(--ios-font-body);
}

/* Input with Icon */
.input-with-icon {
  position: relative;
}

.input-icon {
  position: absolute;
  left: var(--ios-space-lg);
  top: 50%;
  transform: translateY(-50%);
  color: var(--ios-text-tertiary);
  pointer-events: none;
  transition: color var(--ios-timing-fast);
}

.input-with-icon .ios-input {
  padding-left: calc(var(--ios-space-lg) * 2 + 8px);
}

.input-with-icon .ios-input:focus + .input-icon {
  color: var(--ios-blue);
}

/* Textarea */
.ios-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.47059;
  font-family: inherit;
}

/* Select */
.ios-select {
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%238E8E93' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--ios-space-lg) center;
  padding-right: calc(var(--ios-space-lg) * 2 + 12px);
}

/* Checkbox & Radio */
.ios-checkbox,
.ios-radio {
  display: flex;
  align-items: center;
  gap: var(--ios-space-sm);
  cursor: pointer;
  user-select: none;
  position: relative;
}

.ios-checkbox input,
.ios-radio input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkbox-custom,
.radio-custom {
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--ios-border-primary);
  border-radius: var(--ios-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--ios-timing-fast);
  flex-shrink: 0;
}

.radio-custom {
  border-radius: 50%;
}

.ios-checkbox:hover .checkbox-custom,
.ios-radio:hover .radio-custom {
  border-color: var(--ios-blue);
}

.ios-checkbox input:checked ~ .checkbox-custom,
.ios-radio input:checked ~ .radio-custom {
  background: var(--ios-blue);
  border-color: var(--ios-blue);
}

.checkbox-custom::after,
.radio-custom::after {
  content: '';
  opacity: 0;
  transition: opacity var(--ios-timing-fast);
}

.checkbox-custom::after {
  width: 12px;
  height: 12px;
  background: white;
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}

.radio-custom::after {
  width: 8px;
  height: 8px;
  background: white;
  border-radius: 50%;
}

.ios-checkbox input:checked ~ .checkbox-custom::after,
.ios-radio input:checked ~ .radio-custom::after {
  opacity: 1;
}

/* Switch */
.ios-switch {
  position: relative;
  display: inline-block;
  width: 51px;
  height: 31px;
}

.ios-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--ios-background-tertiary);
  transition: all var(--ios-timing-normal);
  border-radius: var(--ios-radius-full);
}

.switch-slider:before {
  position: absolute;
  content: "";
  height: 27px;
  width: 27px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  transition: all var(--ios-timing-normal);
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

input:checked + .switch-slider {
  background-color: var(--ios-blue);
}

input:focus + .switch-slider {
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.2);
}

input:checked + .switch-slider:before {
  transform: translateX(20px);
}

/* ==========================================================================
   8. News & Articles
   ========================================================================== */

/* News Grid */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--ios-space-lg);
  margin-top: var(--ios-space-xl);
}

/* News Item */
.news-item {
  background: var(--ios-background-secondary);
  border-radius: var(--ios-radius-xl);
  border: 1px solid var(--ios-border-secondary);
  overflow: hidden;
  transition: all var(--ios-timing-normal);
  position: relative;
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
  animation-delay: calc(var(--item-index, 0) * 0.1s);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.news-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--ios-shadow-xl);
  border-color: var(--ios-border-primary);
}

.news-item:active {
  transform: translateY(-4px) scale(1.01);
  transition: all var(--ios-timing-fast);
}

/* News Image */
.news-image-container {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, var(--ios-blue) 0%, var(--ios-indigo) 100%);
}

.news-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--ios-timing-normal);
}

.news-item:hover .news-image {
  transform: scale(1.1);
}

/* News Content */
.news-content {
  padding: var(--ios-space-lg);
  position: relative;
}

/* News Title */
.news-title {
  font: var(--ios-font-title3);
  font-weight: 700;
  margin-bottom: var(--ios-space-sm);
  color: var(--ios-text-primary);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* News Description */
.news-description {
  font: var(--ios-font-callout);
  color: var(--ios-text-secondary);
  margin-bottom: var(--ios-space-md);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* News Meta */
.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--ios-space-lg);
  padding-top: var(--ios-space-md);
  border-top: 1px solid var(--ios-border-tertiary);
}

/* News Date */
.news-date {
  display: flex;
  align-items: center;
  gap: var(--ios-space-xs);
  font: var(--ios-font-footnote);
  color: var(--ios-text-tertiary);
}

/* News Categories */
.news-categories {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ios-space-xs);
  margin-bottom: var(--ios-space-md);
}

.news-category {
  padding: var(--ios-space-xs) var(--ios-space-sm);
  background: var(--ios-background-tertiary);
  border-radius: var(--ios-radius-md);
  font: var(--ios-font-caption1);
  font-weight: 500;
  color: var(--ios-text-secondary);
  transition: all var(--ios-timing-fast);
}

.news-category:hover {
  background: var(--ios-blue);
  color: white;
  transform: translateY(-1px);
}

/* News Badge */
.news-badge {
  position: absolute;
  top: var(--ios-space-md);
  right: var(--ios-space-md);
  background: var(--ios-red);
  color: white;
  padding: var(--ios-space-xs) var(--ios-space-sm);
  border-radius: var(--ios-radius-md);
  font: var(--ios-font-caption2);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 10;
  box-shadow: var(--ios-shadow-sm);
}

/* News Controls */
.news-controls {
  background: var(--ios-background-secondary);
  border-radius: var(--ios-radius-xl);
  padding: var(--ios-space-xl);
  margin-bottom: var(--ios-space-xl);
  border: 1px solid var(--ios-border-secondary);
  box-shadow: var(--ios-shadow-sm);
}

/* Search Container */
.search-container {
  position: relative;
  margin-bottom: var(--ios-space-lg);
}

.search-input {
  width: 100%;
  padding: var(--ios-space-md) var(--ios-space-xl) var(--ios-space-md) calc(var(--ios-space-xl) + 32px);
  font: var(--ios-font-body);
  color: var(--ios-text-primary);
  background: var(--ios-background-tertiary);
  border: 1.5px solid var(--ios-border-secondary);
  border-radius: var(--ios-radius-xl);
  transition: all var(--ios-timing-normal);
}

.search-input:focus {
  outline: none;
  border-color: var(--ios-blue);
  background: var(--ios-background-secondary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
  padding-left: calc(var(--ios-space-xl) + 28px);
}

.search-icon {
  position: absolute;
  left: var(--ios-space-xl);
  top: 50%;
  transform: translateY(-50%);
  color: var(--ios-text-tertiary);
  transition: all var(--ios-timing-fast);
  pointer-events: none;
}

.search-input:focus + .search-icon {
  color: var(--ios-blue);
  transform: translateY(-50%) scale(1.1);
}

/* Filters */
.filters-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ios-space-sm);
  margin-bottom: var(--ios-space-lg);
}

.filter-btn {
  padding: var(--ios-space-sm) var(--ios-space-lg);
  background: var(--ios-background-tertiary);
  border: 1.5px solid var(--ios-border-secondary);
  border-radius: var(--ios-radius-lg);
  font: var(--ios-font-subhead);
  color: var(--ios-text-secondary);
  cursor: pointer;
  transition: all var(--ios-timing-fast);
  user-select: none;
}

.filter-btn:hover {
  background: var(--ios-background-secondary);
  border-color: var(--ios-border-primary);
  color: var(--ios-text-primary);
  transform: translateY(-1px);
}

.filter-btn:active {
  transform: translateY(0) scale(0.98);
}

.filter-btn.active {
  background: var(--ios-blue);
  border-color: var(--ios-blue);
  color: white;
  box-shadow: 0 4px 12px rgba(0, 122, 255, 0.2);
}

/* Sort Options */
.sort-options {
  display: flex;
  align-items: center;
  gap: var(--ios-space-md);
  padding: var(--ios-space-md) 0;
  border-top: 1px solid var(--ios-border-tertiary);
}

.sort-select {
  padding: var(--ios-space-sm) var(--ios-space-lg);
  background: var(--ios-background-tertiary);
  border: 1.5px solid var(--ios-border-secondary);
  border-radius: var(--ios-radius-lg);
  font: var(--ios-font-subhead);
  color: var(--ios-text-primary);
  cursor: pointer;
  transition: all var(--ios-timing-fast);
}

.sort-select:focus {
  outline: none;
  border-color: var(--ios-blue);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--ios-space-md);
  margin-top: var(--ios-space-2xl);
  padding-top: var(--ios-space-xl);
  border-top: 1px solid var(--ios-border-tertiary);
}

.pagination-btn {
  padding: var(--ios-space-sm) var(--ios-space-lg);
  background: var(--ios-background-secondary);
  border: 1.5px solid var(--ios-border-secondary);
  border-radius: var(--ios-radius-lg);
  font: var(--ios-font-subhead);
  color: var(--ios-text-primary);
  cursor: pointer;
  transition: all var(--ios-timing-fast);
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pagination-btn:hover:not(:disabled) {
  background: var(--ios-background-tertiary);
  border-color: var(--ios-border-primary);
  transform: translateY(-1px);
}

.pagination-btn:active:not(:disabled) {
  transform: translateY(0) scale(0.98);
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination-info {
  font: var(--ios-font-subhead);
  color: var(--ios-text-tertiary);
  padding: 0 var(--ios-space-md);
}

/* ==========================================================================
   9. Services & Features
   ========================================================================== */

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--ios-space-lg);
  margin-top: var(--ios-space-xl);
}

/* Service Card */
.service-card {
  background: var(--ios-background-secondary);
  border-radius: var(--ios-radius-xl);
  border: 1px solid var(--ios-border-secondary);
  padding: var(--ios-space-xl);
  text-align: center;
  transition: all var(--ios-timing-normal);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--ios-shadow-xl);
  border-color: var(--ios-border-primary);
}

.service-card:active {
  transform: translateY(-4px) scale(1.01);
  transition: all var(--ios-timing-fast);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--ios-blue), var(--ios-indigo));
  opacity: 0;
  transition: opacity var(--ios-timing-normal);
}

.service-card:hover::before {
  opacity: 1;
}

/* Service Logo */
.service-logo {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--ios-space-lg);
  padding: var(--ios-space-md);
  background: linear-gradient(135deg, var(--ios-blue) 0%, var(--ios-indigo) 100%);
  border-radius: var(--ios-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--ios-timing-normal);
}

.service-card:hover .service-logo {
  transform: rotate(10deg) scale(1.1);
  box-shadow: 0 8px 32px rgba(0, 122, 255, 0.2);
}

.service-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

/* Service Name */
.service-name {
  font: var(--ios-font-title3);
  font-weight: 700;
  margin-bottom: var(--ios-space-sm);
  color: var(--ios-text-primary);
}

/* Service Description */
.service-description {
  font: var(--ios-font-callout);
  color: var(--ios-text-secondary);
  margin-bottom: var(--ios-space-lg);
  line-height: 1.5;
}

/* ==========================================================================
   10. Modals & Overlays
   ========================================================================== */

/* Modal Backdrop */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: var(--ios-blur-heavy);
  -webkit-backdrop-filter: var(--ios-blur-heavy);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--ios-space-lg);
  z-index: 2000;
  animation: fadeIn var(--ios-timing-normal);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-backdrop.active {
  display: flex;
}

/* Modal Content */
.modal-content {
  background: var(--ios-background-secondary);
  border-radius: var(--ios-radius-2xl);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--ios-shadow-xl);
  animation: slideUp var(--ios-timing-bounce);
  border: 1px solid var(--ios-border-secondary);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(60px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Modal Header */
.modal-header {
  padding: var(--ios-space-xl);
  border-bottom: 1px solid var(--ios-border-tertiary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: var(--ios-background-secondary);
  z-index: 10;
}

/* Modal Body */
.modal-body {
  padding: var(--ios-space-xl);
}

/* Modal Footer */
.modal-footer {
  padding: var(--ios-space-xl);
  border-top: 1px solid var(--ios-border-tertiary);
  display: flex;
  justify-content: flex-end;
  gap: var(--ios-space-md);
  position: sticky;
  bottom: 0;
  background: var(--ios-background-secondary);
  z-index: 10;
}

/* Modal Close */
.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--ios-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ios-background-tertiary);
  border: none;
  color: var(--ios-text-primary);
  cursor: pointer;
  transition: all var(--ios-timing-fast);
}

.modal-close:hover {
  background: var(--ios-background-tertiary);
  transform: rotate(90deg);
}

.modal-close:active {
  transform: rotate(90deg) scale(0.95);
}

/* ==========================================================================
   11. Loading & States
   ========================================================================== */

/* Loading Container */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--ios-space-3xl);
  min-height: 200px;
}

/* Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--ios-border-tertiary);
  border-top-color: var(--ios-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--ios-space-lg);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--ios-background-tertiary) 25%,
    var(--ios-background-secondary) 50%,
    var(--ios-background-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--ios-radius-md);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-card {
  height: 200px;
  border-radius: var(--ios-radius-lg);
}

.skeleton-line {
  height: 12px;
  margin-bottom: var(--ios-space-sm);
  border-radius: var(--ios-radius-sm);
}

.skeleton-line:last-child {
  margin-bottom: 0;
  width: 60%;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--ios-space-3xl);
  grid-column: 1 / -1;
}

.empty-state-icon {
  font-size: 64px;
  margin-bottom: var(--ios-space-lg);
  opacity: 0.5;
}

.empty-state-title {
  font: var(--ios-font-title2);
  margin-bottom: var(--ios-space-sm);
  color: var(--ios-text-primary);
}

.empty-state-description {
  font: var(--ios-font-callout);
  color: var(--ios-text-tertiary);
  margin-bottom: var(--ios-space-xl);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   12. Footer
   ========================================================================== */

/* Footer */
.ios-footer {
  background: var(--ios-background-secondary);
  border-top: 1px solid var(--ios-border-secondary);
  padding: var(--ios-space-2xl) 0;
  margin-top: var(--ios-space-3xl);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--ios-space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--ios-space-xl);
}

.footer-logo-container {
  display: flex;
  align-items: center;
  gap: var(--ios-space-sm);
}

.footer-logo {
  height: 32px;
  width: 32px;
  border-radius: var(--ios-radius-md);
  object-fit: contain;
}

.footer-brand {
  font: var(--ios-font-headline);
  font-weight: 700;
  color: var(--ios-text-primary);
}

.footer-links {
  display: flex;
  gap: var(--ios-space-xl);
  flex-wrap: wrap;
}

.footer-link {
  font: var(--ios-font-subhead);
  color: var(--ios-text-secondary);
  text-decoration: none;
  transition: color var(--ios-timing-fast);
}

.footer-link:hover {
  color: var(--ios-text-primary);
}

.footer-copyright {
  font: var(--ios-font-footnote);
  color: var(--ios-text-tertiary);
  text-align: center;
  width: 100%;
  margin-top: var(--ios-space-xl);
  padding-top: var(--ios-space-xl);
  border-top: 1px solid var(--ios-border-tertiary);
}

/* ==========================================================================
   13. Utilities
   ========================================================================== */

/* Text Alignment */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Text Colors */
.text-primary { color: var(--ios-text-primary); }
.text-secondary { color: var(--ios-text-secondary); }
.text-tertiary { color: var(--ios-text-tertiary); }
.text-blue { color: var(--ios-blue); }
.text-green { color: var(--ios-green); }
.text-red { color: var(--ios-red); }
.text-orange { color: var(--ios-orange); }

/* Background Colors */
.bg-primary { background: var(--ios-background-primary); }
.bg-secondary { background: var(--ios-background-secondary); }
.bg-tertiary { background: var(--ios-background-tertiary); }
.bg-blue { background: var(--ios-blue); }
.bg-green { background: var(--ios-green); }
.bg-red { background: var(--ios-red); }

/* Spacing Utilities */
.m-0 { margin: 0; }
.mt-1 { margin-top: var(--ios-space-xs); }
.mt-2 { margin-top: var(--ios-space-sm); }
.mt-3 { margin-top: var(--ios-space-md); }
.mt-4 { margin-top: var(--ios-space-lg); }
.mt-5 { margin-top: var(--ios-space-xl); }
.mt-6 { margin-top: var(--ios-space-2xl); }

.mb-1 { margin-bottom: var(--ios-space-xs); }
.mb-2 { margin-bottom: var(--ios-space-sm); }
.mb-3 { margin-bottom: var(--ios-space-md); }
.mb-4 { margin-bottom: var(--ios-space-lg); }
.mb-5 { margin-bottom: var(--ios-space-xl); }
.mb-6 { margin-bottom: var(--ios-space-2xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--ios-space-xs); }
.p-2 { padding: var(--ios-space-sm); }
.p-3 { padding: var(--ios-space-md); }
.p-4 { padding: var(--ios-space-lg); }
.p-5 { padding: var(--ios-space-xl); }
.p-6 { padding: var(--ios-space-2xl); }

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

/* Visibility */
.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Border Radius */
.rounded-sm { border-radius: var(--ios-radius-sm); }
.rounded-md { border-radius: var(--ios-radius-md); }
.rounded-lg { border-radius: var(--ios-radius-lg); }
.rounded-xl { border-radius: var(--ios-radius-xl); }
.rounded-full { border-radius: var(--ios-radius-full); }

/* Shadows */
.shadow-sm { box-shadow: var(--ios-shadow-sm); }
.shadow-md { box-shadow: var(--ios-shadow-md); }
.shadow-lg { box-shadow: var(--ios-shadow-lg); }
.shadow-xl { box-shadow: var(--ios-shadow-xl); }
.shadow-none { box-shadow: none; }

/* Transitions */
.transition-fast { transition: all var(--ios-timing-fast); }
.transition-normal { transition: all var(--ios-timing-normal); }
.transition-slow { transition: all var(--ios-timing-slow); }

/* Animations */
.animate-fade-in {
  animation: fadeIn var(--ios-timing-normal);
}

.animate-slide-up {
  animation: slideUp var(--ios-timing-bounce);
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ==========================================================================
   14. Responsive Design
   ========================================================================== */

/* Tablet */
@media (max-width: 1024px) {
  .nav-content {
    padding: 0 var(--ios-space-md);
  }
  
  .ios-nav-list {
    gap: var(--ios-space-lg);
  }
  
  .ios-container {
    padding: 0 var(--ios-space-md);
  }
  
  .news-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
  
  .services-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

/* Mobile Large */
@media (max-width: 768px) {
  /* Navigation Mobile */
  .menu-toggle {
    display: flex;
  }
  
  .ios-nav-list {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--ios-background-elevated);
    backdrop-filter: var(--ios-blur-heavy);
    -webkit-backdrop-filter: var(--ios-blur-heavy);
    flex-direction: column;
    padding: var(--ios-space-lg);
    gap: var(--ios-space-md);
    border-bottom: 1px solid var(--ios-border-secondary);
    box-shadow: var(--ios-shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--ios-timing-normal);
    z-index: 999;
  }
  
  .ios-nav-list.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .ios-nav-link {
    padding: var(--ios-space-md);
    border-radius: var(--ios-radius-md);
    justify-content: space-between;
  }
  
  .ios-nav-link.active {
    background: rgba(0, 122, 255, 0.1);
  }
  
  .ios-nav-link.active::after {
    display: none;
  }
  
  .nav-dropdown {
    position: static;
    transform: none;
    background: transparent;
    backdrop-filter: none;
    box-shadow: none;
    border: none;
    padding: var(--ios-space-sm) 0 0 var(--ios-space-lg);
    opacity: 1;
    visibility: visible;
    display: none;
  }
  
  .ios-nav-item.active .nav-dropdown {
    display: block;
  }
  
  /* Layout Adjustments */
  .ios-container {
    padding: 0 var(--ios-space-md);
  }
  
  .hero-section {
    padding: var(--ios-space-xl) 0;
  }
  
  .news-grid {
    grid-template-columns: 1fr;
    gap: var(--ios-space-md);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: var(--ios-space-lg);
  }
  
  .footer-links {
    flex-direction: column;
    gap: var(--ios-space-md);
  }
  
  /* Modal Adjustments */
  .modal-content {
    margin: var(--ios-space-md);
    border-radius: var(--ios-radius-xl);
  }
  
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--ios-space-lg);
  }
}

/* Mobile Small */
@media (max-width: 480px) {
  :root {
    --ios-space-lg: 20px;
    --ios-space-xl: 24px;
    --ios-space-2xl: 32px;
    --ios-space-3xl: 48px;
  }
  
  .ios-button {
    padding: var(--ios-space-md) var(--ios-space-lg);
    width: 100%;
  }
  
  .ios-card-content {
    padding: var(--ios-space-lg);
  }
  
  .news-controls {
    padding: var(--ios-space-lg);
  }
  
  .search-input {
    padding: var(--ios-space-md) var(--ios-space-lg) var(--ios-space-md) calc(var(--ios-space-lg) + 28px);
  }
  
  .search-icon {
    left: var(--ios-space-lg);
  }
  
  .filters-container {
    overflow-x: auto;
    padding-bottom: var(--ios-space-xs);
    -webkit-overflow-scrolling: touch;
  }
  
  .filters-container::-webkit-scrollbar {
    display: none;
  }
  
  .pagination {
    flex-wrap: wrap;
  }
}

/* High DPI Screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .ios-card,
  .news-item,
  .service-card {
    border-width: 0.5px;
  }
  
  .ios-input,
  .search-input,
  .filter-btn {
    border-width: 0.75px;
  }
}

/* Print Styles */
@media print {
  .ios-nav,
  .ios-footer,
  .ios-button {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .ios-container {
    max-width: 100%;
    padding: 0;
  }
  
  main {
    padding-top: 0;
  }
  
  .ios-card {
    border: 1px solid #ccc;
    box-shadow: none;
    break-inside: avoid;
  }
}