/* Google Material Design inspired styles */
:root {
  --primary-color: #4285f4;
  --primary-dark: #3367d6;
  --secondary-color: #34a853;
  --accent-color: #fbbc04;
  --error-color: #ea4335;
  --text-primary: #202124;
  --text-secondary: #5f6368;
  --background: #ffffff;
  --surface: #f8f9fa;
  --border-color: #dadce0;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Roboto', 'Segoe UI', 'Arial', sans-serif;
  color: var(--text-primary);
  background-color: var(--background);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Header Navigation */
header {
  background: var(--background);
  box-shadow: var(--shadow);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

header.scrolled {
  box-shadow: var(--shadow-hover);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: 500;
  color: var(--primary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  font-size: 32px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a:hover {
  color: var(--primary-color);
}

.nav-links a.active {
  color: var(--primary-color);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-color);
  border-radius: 3px 3px 0 0;
}

.language-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  border-radius: 24px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.language-switcher:hover {
  background: var(--surface);
  border-color: var(--primary-color);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  margin-top: 72px;
  padding: 80px 24px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: move-bg 20s linear infinite;
}

@keyframes move-bg {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(50px, 50px);
  }
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 48px;
  font-weight: 400;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease;
}

.hero p {
  font-size: 20px;
  margin-bottom: 32px;
  opacity: 0.95;
  animation: fadeInUp 0.8s ease 0.2s backwards;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.4s backwards;
}

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

/* Buttons */
.btn {
  padding: 12px 32px;
  border-radius: 24px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

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

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

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
}

.section-title {
  text-align: center;
  font-size: 36px;
  font-weight: 400;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-subtitle {
  text-align: center;
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.card {
  background: var(--background);
  border-radius: 8px;
  padding: 32px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  cursor: pointer;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.card-icon {
  font-size: 48px;
  margin-bottom: 16px;
  color: var(--primary-color);
}

.card h3 {
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Features Section */
.features {
  background: var(--surface);
}

.features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.feature-icon {
  font-size: 32px;
  color: var(--secondary-color);
  flex-shrink: 0;
}

.feature-content h4 {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.feature-content p {
  color: var(--text-secondary);
  font-size: 14px;
}

/* Stats Section */
.stats {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: white;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 48px;
  text-align: center;
}

.stat-item h3 {
  font-size: 48px;
  font-weight: 400;
  margin-bottom: 8px;
}

.stat-item p {
  font-size: 18px;
  opacity: 0.9;
}

/* Contact Form */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.info-icon {
  font-size: 24px;
  color: var(--primary-color);
  margin-top: 4px;
}

.info-text h4 {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 4px;
}

.info-text p, .info-text a {
  color: var(--text-secondary);
  text-decoration: none;
}

.info-text a:hover {
  color: var(--primary-color);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 16px;
  font-family: inherit;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Map */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: 8px;
  overflow: hidden;
  margin-top: 32px;
  box-shadow: var(--shadow);
}

#amap {
  width: 100%;
  height: 100%;
}

/* Footer */
footer {
  background: var(--text-primary);
  color: white;
  padding: 48px 24px 24px;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 48px;
  margin-bottom: 32px;
}

.footer-section h3 {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 16px;
  color: white;
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  display: block;
  margin-bottom: 8px;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

/* Content Pages */
.page-header {
  margin-top: 72px;
  padding: 64px 24px;
  background: var(--surface);
  text-align: center;
}

.page-header h1 {
  font-size: 40px;
  font-weight: 400;
  margin-bottom: 16px;
}

.page-header p {
  font-size: 18px;
  color: var(--text-secondary);
}

.content-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 24px;
}

.content-container h2 {
  font-size: 28px;
  font-weight: 500;
  margin-top: 32px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.content-container h3 {
  font-size: 22px;
  font-weight: 500;
  margin-top: 24px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.content-container p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.content-container ul,
.content-container ol {
  margin-bottom: 16px;
  padding-left: 32px;
  color: var(--text-secondary);
}

.content-container li {
  margin-bottom: 8px;
  line-height: 1.8;
}

/* Team Section */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.team-member {
  text-align: center;
  padding: 24px;
  background: var(--background);
  border-radius: 8px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.team-member:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.member-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--primary-color);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: white;
}

.team-member h4 {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 8px;
}

.team-member p {
  color: var(--text-secondary);
  font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 72px);
    background: var(--background);
    flex-direction: column;
    padding: 32px;
    transition: left 0.3s ease;
    box-shadow: var(--shadow);
  }

  .nav-links.active {
    left: 0;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero p {
    font-size: 16px;
  }

  .section-title {
    font-size: 28px;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .contact-content {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .page-header h1 {
    font-size: 32px;
  }
}

/* Animations */
.fade-in {
  animation: fadeIn 0.6s ease;
}

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

.slide-in-left {
  animation: slideInLeft 0.6s ease;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.mt-32 {
  margin-top: 32px;
}

.mb-32 {
  margin-bottom: 32px;
}

.bg-surface {
  background: var(--surface);
}