/* Modern HarmonyOS-inspired CSS for Ilona Panzio Website */

:root {
  /* Primary Colors */
  --primary-color: #0052d9;
  --primary-light: #4d7cfa;
  --primary-dark: #0037b3;
  
  /* Secondary Colors */
  --secondary-color: #fa8c16;
  --secondary-light: #ffa940;
  --secondary-dark: #d46b08;
  
  /* Neutral Colors */
  --background-color: #f5f5f5;
  --card-color: #ffffff;
  --text-primary: #222222;
  --text-secondary: #666666;
  --text-tertiary: #999999;
  --border-color: #e0e0e0;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  
  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Font Sizes */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2rem;
  --font-size-xxxl: 2.5rem;
  
  /* Container Width */
  --container-width: 1200px;
}

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

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

body {
  font-family: 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--background-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

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

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

/* Header */
.header {
  background-color: var(--card-color);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: var(--spacing-md) 0;
}

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

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

.logo img {
  height: 50px;
  margin-right: var(--spacing-md);
}

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--primary-color);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
}

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

.nav-item {
  margin-left: var(--spacing-lg);
}

.nav-link {
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-color);
  background-color: rgba(0, 82, 217, 0.08);
}

.nav-link.active {
  font-weight: 600;
}

.nav-icon {
  margin-right: var(--spacing-xs);
  vertical-align: middle;
}

/* Mobile Navigation */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-xl);
  color: var(--text-primary);
}

/* Hero Section */
.hero {
  padding: var(--spacing-xxl) 0;
  background-color: var(--card-color);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: var(--font-size-xxxl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.hero-image {
  margin-top: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-normal);
}

.hero-image:hover {
  transform: translateY(-5px);
}

/* Cards */
.card {
  background-color: var(--card-color);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

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

/* Buttons */
.btn {
  display: inline-block;
  font-size: var(--font-size-md);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  border: none;
}

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

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

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

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

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
}

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

/* Sections */
.section {
  padding: var(--spacing-xxl) 0;
}

.section-title {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  margin-bottom: var(--spacing-xl);
  text-align: center;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Grid System */
.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.col {
  padding: 0 15px;
  flex: 1;
}

.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
.col-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  grid-gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
}

.gallery-item:hover {
  transform: scale(1.03);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

/* Tables */
.table-container {
  overflow-x: auto;
  margin-bottom: var(--spacing-xl);
}

.table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table th, .table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.table th {
  background-color: var(--primary-color);
  color: white;
  font-weight: 600;
}

.table tr:nth-child(even) {
  background-color: rgba(0, 0, 0, 0.02);
}

.table tr:hover {
  background-color: rgba(0, 0, 0, 0.04);
}

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

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

.form-control {
  width: 100%;
  padding: var(--spacing-md);
  font-size: var(--font-size-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background-color: var(--card-color);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 82, 217, 0.2);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* Footer */
.footer {
  background-color: var(--card-color);
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--border-color);
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.footer-section {
  flex: 1;
  min-width: 200px;
  margin-bottom: var(--spacing-lg);
}

.footer-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  padding: 0;
}

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

.footer-link a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-tertiary);
}

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

@keyframes slideInUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.animate-fadeIn {
  animation: fadeIn var(--transition-normal) forwards;
}

.animate-slideInUp {
  animation: slideInUp var(--transition-normal) forwards;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

/* Lightbox */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.85);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.lightbox.active .lightbox-content {
  transform: scale(1);
}

.lightbox-image {
  display: block;
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  padding: var(--spacing-md);
  text-align: center;
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.lightbox-content:hover .lightbox-caption {
  transform: translateY(0);
}

.lightbox-close {
  position: absolute;
  top: 15px;
  left: 15px;
  width: 40px;
  height: 40px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  z-index: 10;
  box-shadow: var(--shadow-md);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.lightbox-close:hover {
  background-color: var(--primary-light);
  transform: scale(1.1);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background-color: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 30px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
  background-color: var(--primary-color);
}

/* Language Selector */
.language-selector {
  display: flex;
  align-items: center;
  margin-left: var(--spacing-lg);
}

.language-option {
  display: flex;
  align-items: center;
  margin-right: var(--spacing-md);
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.language-option:hover, .language-option.active {
  opacity: 1;
}

.language-option img {
  width: 24px;
  height: 16px;
  margin-right: var(--spacing-xs);
}

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

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

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

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

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded-md { border-radius: var(--border-radius-md); }
.rounded-lg { border-radius: var(--border-radius-lg); }

/* Responsive Design */
@media (max-width: 1200px) {
  :root {
    --container-width: 960px;
  }
}

@media (max-width: 992px) {
  :root {
    --container-width: 720px;
  }
  
  .col-md-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
  .col-md-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
  .col-md-3 { flex: 0 0 25%; max-width: 25%; }
  .col-md-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
  .col-md-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
  .col-md-6 { flex: 0 0 50%; max-width: 50%; }
  .col-md-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
  .col-md-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
  .col-md-9 { flex: 0 0 75%; max-width: 75%; }
  .col-md-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
  .col-md-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
  .col-md-12 { flex: 0 0 100%; max-width: 100%; }
}

@media (max-width: 768px) {
  :root {
    --container-width: 540px;
    --font-size-xxxl: 2rem;
    --font-size-xxl: 1.75rem;
    --font-size-xl: 1.25rem;
  }
  
  .mobile-nav-toggle {
    display: block;
  }
  
  .nav {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: var(--card-color);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-xl);
    transition: right var(--transition-normal);
    z-index: 1000;
  }
  
  .nav.active {
    right: 0;
  }
  
  .nav-list {
    flex-direction: column;
    width: 100%;
  }
  
  .nav-item {
    margin: var(--spacing-sm) 0;
    width: 100%;
  }
  
  .nav-link {
    display: block;
    padding: var(--spacing-md);
    width: 100%;
  }
  
  .col-sm-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
  .col-sm-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
  .col-sm-3 { flex: 0 0 25%; max-width: 25%; }
  .col-sm-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
  .col-sm-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
  .col-sm-6 { flex: 0 0 50%; max-width: 50%; }
  .col-sm-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
  .col-sm-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
  .col-sm-9 { flex: 0 0 75%; max-width: 75%; }
  .col-sm-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
  .col-sm-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
  .col-sm-12 { flex: 0 0 100%; max-width: 100%; }
  
  .gallery {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

@media (max-width: 576px) {
  :root {
    --container-width: 100%;
    --font-size-xxxl: 1.75rem;
    --font-size-xxl: 1.5rem;
    --font-size-xl: 1.25rem;
    --spacing-xxl: 2rem;
  }
  
  .col-xs-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
  .col-xs-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
  .col-xs-3 { flex: 0 0 25%; max-width: 25%; }
  .col-xs-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
  .col-xs-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
  .col-xs-6 { flex: 0 0 50%; max-width: 50%; }
  .col-xs-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
  .col-xs-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
  .col-xs-9 { flex: 0 0 75%; max-width: 75%; }
  .col-xs-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
  .col-xs-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
  .col-xs-12 { flex: 0 0 100%; max-width: 100%; }
  
  .gallery {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
}