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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: #f8f9fc;
  color: #1a1a2e;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar */
.navbar {
  background: #1a1a2e;
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

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

.logo {
  font-size: 24px;
  font-weight: 800;
  color: #f0b90b;
}

.logo span {
  color: #fff;
  font-weight: 400;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  color: #ccc;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #f0b90b;
}

.lang-switch a {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 13px;
}

.lang-switch a.active {
  background: #f0b90b;
  color: #1a1a2e;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 28px;
  cursor: pointer;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: #fff;
  text-align: center;
  padding: 80px 20px 60px;
}

.hero h1 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero .subtitle {
  font-size: 18px;
  color: #aaa;
  max-width: 600px;
  margin: 0 auto;
}

/* Page Hero */
.page-hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: #fff;
  text-align: center;
  padding: 60px 20px;
}

.page-hero h1 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 12px;
}

.page-hero p {
  color: #aaa;
  font-size: 16px;
}

/* Download Cards */
.download-cards {
  padding: 60px 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.card {
  background: #fff;
  border-radius: 16px;
  padding: 40px 30px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}

.card-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 22px;
  margin-bottom: 8px;
}

.card p {
  color: #666;
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  background: #f0b90b;
  color: #1a1a2e;
  padding: 12px 30px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  transition: background 0.3s;
}

.btn:hover {
  background: #d4a409;
}

.qr-code {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.qr-placeholder {
  width: 100px;
  height: 100px;
  background: #eee;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 14px;
  border: 2px dashed #ddd;
}

.qr-code span {
  font-size: 13px;
  color: #888;
}

/* Security Alert */
.security-alert {
  padding: 40px 0;
}

.alert-box {
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: 12px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.alert-icon {
  font-size: 32px;
  flex-shrink: 0;
}

.alert-box h3 {
  font-size: 18px;
  margin-bottom: 4px;
  color: #856404;
}

.alert-box p {
  color: #856404;
  font-size: 14px;
}

/* Stats */
.stats-section {
  padding: 60px 0;
  background: #fff;
}

.stats-section h2 {
  text-align: center;
  font-size: 28px;
  margin-bottom: 40px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  text-align: center;
}

.stat-card {
  background: #f8f9fc;
  border-radius: 16px;
  padding: 30px;
  transition: transform 0.3s;
}

.stat-card:hover {
  transform: scale(1.05);
}

.stat-number {
  font-size: 36px;
  font-weight: 800;
  color: #f0b90b;
  display: block;
}

.stat-label {
  font-size: 14px;
  color: #666;
  margin-top: 8px;
  display: block;
}

/* FAQ */
.faq-section {
  padding: 60px 0;
}

.faq-section h2 {
  text-align: center;
  font-size: 28px;
  margin-bottom: 40px;
}

.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border-radius: 12px;
  margin-bottom: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
  overflow: hidden;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.3s;
}

.faq-question:hover {
  background: #f8f9fc;
}

.faq-icon {
  font-size: 22px;
  color: #f0b90b;
  font-weight: 700;
}

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: #555;
  font-size: 15px;
}

.faq-answer.open {
  max-height: 300px;
  padding: 0 24px 18px;
}

/* Reviews */
.reviews-section {
  padding: 60px 0;
  background: #fff;
}

.reviews-section h2 {
  text-align: center;
  font-size: 28px;
  margin-bottom: 40px;
}

.review-carousel {
  position: relative;
  overflow: hidden;
  max-width: 800px;
  margin: 0 auto;
}

.review-track {
  display: flex;
  transition: transform 0.5s ease;
}

.review-card {
  min-width: 100%;
  padding: 30px;
  text-align: center;
}

.review-stars {
  font-size: 24px;
  color: #f0b90b;
  margin-bottom: 12px;
}

.review-comment {
  font-size: 16px;
  color: #333;
  font-style: italic;
  margin-bottom: 12px;
  line-height: 1.8;
}

.review-author {
  font-size: 14px;
  color: #888;
}

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 20px;
}

.carousel-controls button {
  background: #f0b90b;
  color: #1a1a2e;
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  transition: background 0.3s;
  font-weight: 700;
}

.carousel-controls button:hover {
  background: #d4a409;
}

/* Reviews Full Page */
.reviews-full {
  padding: 60px 0;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.review-card-full {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  text-align: center;
  transition: transform 0.3s;
}

.review-card-full:hover {
  transform: translateY(-4px);
}

/* Changelog */
.changelog-section {
  padding: 60px 0;
}

.changelog-list {
  max-width: 700px;
  margin: 0 auto;
}

.changelog-item {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
  border-left: 4px solid #f0b90b;
}

.changelog-version {
  font-size: 20px;
  font-weight: 800;
  color: #1a1a2e;
}

.changelog-date {
  font-size: 13px;
  color: #888;
  margin: 4px 0 10px;
}

.changelog-content {
  color: #555;
  font-size: 15px;
}

/* Compare Table */
.compare-section {
  padding: 60px 0;
}

.compare-table-wrapper {
  overflow-x: auto;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.compare-table th {
  background: #1a1a2e;
  color: #fff;
  padding: 16px 20px;
  text-align: left;
  font-size: 16px;
}

.compare-table td {
  padding: 14px 20px;
  border-bottom: 1px solid #eee;
  font-size: 15px;
}

.compare-table tr:hover {
  background: #f8f9fc;
}

.compare-table td:first-child {
  font-weight: 600;
}

/* Footer */
.footer {
  background: #1a1a2e;
  color: #aaa;
  text-align: center;
  padding: 30px 20px;
}

.footer p {
  margin-bottom: 10px;
}

.admin-link {
  color: #f0b90b;
  text-decoration: none;
  font-size: 14px;
}

.admin-link:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: #1a1a2e;
    padding: 20px;
    gap: 16px;
  }

  .nav-links.active {
    display: flex;
  }

  .hamburger {
    display: block;
  }

  .hero h1 {
    font-size: 26px;
  }

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

  .page-hero h1 {
    font-size: 24px;
  }

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

  .alert-box {
    flex-direction: column;
    text-align: center;
  }
}