.page-body {
  margin: 0;
  min-height: 100vh;
  background: #d4d4d4;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
  color: #000000;
}

.page-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #cccccc;
  backdrop-filter: blur(6px);
  border-bottom: 1px solid #d9d3ca;
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 28px 16px;
}

.brand-title {
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
  font-size: 22px;
  color: #000000;
}

.nav-link {
  color: #000000;
  text-decoration: none;
  font-weight: 600;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
}

.nav-link:hover {
  color: #000000;
}

.page-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 36px 28px 80px;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 20px;
  align-items: center;
  margin-top: 18px;
}

.hero-card {
  background: #c8c8c8;
  padding: 28px;
  border-radius: 18px;
  box-shadow: 0 10px 30px #1f2f3a;
  border: 1px solid #1f1f1f;
}

.hero-title {
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
  font-size: 22px;
  margin: 0 0 12px;
  color: #000000;
}

.hero-text {
  color: #000000;
  line-height: 1.6;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.button-primary {
  display: inline-block;
  background: #2b7a78;
  color: #ffffff;
  padding: 10px 16px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
}

.button-secondary {
  display: inline-block;
  background: #1f2f3a;
  color: #ffffff;
  padding: 10px 16px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
}

.theme-toggle {
  display: inline-block;
  background: #334155;
  color: #ffffff;
  padding: 10px 16px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
  border: none;
  cursor: pointer;
  min-width: 140px;
  text-align: center;
}

.section-title {
  margin: 40px 0 16px;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
  font-size: 22px;
  color: #000000;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.card {
  background: #c8c8c8;
  padding: 18px;
  border-radius: 14px;
  border: 1px solid #1f1f1f;
  box-shadow: 0 6px 18px #000000;
  margin-bottom: 16px;
}

.card-title {
  margin: 16px 0 10px;
  font-size: 22px;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
  color: #000000;
}

.card-text {
  color: #000000;
  margin: 0;
  line-height: 1.5;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
}

.img-placeholder {
  background: repeating-linear-gradient(135deg, #f6efe4, #f6efe4 10px, #efe6d8 10px, #efe6d8 20px);
  border: 1px dashed #d9d3ca;
  border-radius: 12px;
  min-height: 180px;
  height: auto;
  padding: 12px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: 12px;
  color: #000000;
  font-weight: 600;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
  margin-bottom: 16px;
}

.img-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.img-grid .img-placeholder {
  min-height: 140px;
}

@media (max-width: 640px) {
  .img-grid {
    grid-template-columns: 1fr;
  }
}

.img-preview {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  cursor: zoom-in;
}

.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: #000000;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.lightbox-overlay.active {
  display: flex;
}

.lightbox-image {
  max-width: 96vw;
  max-height: 96vh;
  width: auto;
  height: auto;
  border-radius: 12px;
  border: 1px solid #1f1f1f;
}

.img-display {
  width: 100%;
  max-width: 520px;
  height: auto;
  border-radius: 12px;
  border: 1px solid #1f1f1f;
  box-shadow: 0 6px 18px #000000;
  display: block;
  margin-left: auto;
  justify-self: end;
}

.gallery-main {
  background: #c8c8c8;
  border: 1px solid #1f1f1f;
  border-radius: 14px;
  padding: 12px;
  box-shadow: 0 6px 18px #000000;
  margin-bottom: 16px;
}

.gallery-main-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.gallery-thumb {
  background: #c8c8c8;
  border: 1px solid #1f1f1f;
  border-radius: 10px;
  padding: 6px;
  cursor: pointer;
}

.gallery-thumb.is-active {
  border: 2px solid #f2b84b;
}

.gallery-thumb-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

.steps {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}

.step {
  background: #c8c8c8;
  border: 1px solid #1f1f1f;
  border-radius: 12px;
  padding: 14px 16px;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
  color: #000000;
  box-shadow: 0 2px 6px #000000;
}

.step-link {
  color: #000000;
  text-decoration: underline;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
  font-weight: 600;
  cursor: pointer;
}

.step-link:hover {
  color: #f2b84b;
  text-decoration: underline;
}

.badge {
  display: inline-block;
  background: #d4d4d4;
  color: #000000;
  font-weight: 700;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 22px;
  margin-right: 8px;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
}

.footer {
  margin-top: 64px;
  padding-top: 18px;
  border-top: 1px solid #1f1f1f;
  color: #000000;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
}

.fade-in-1 {
  animation: none;
}

.fade-in-2 {
  animation: none;
}

.fade-in-3 {
  animation: none;
}

.fade-in-4 {
  animation: none;
}

.table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid #1f1f1f;
  background: #c8c8c8;
  color: #000000;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
}

.table-header-cell {
  border: 1px solid #1f1f1f;
  padding: 8px 10px;
  font-weight: 700;
  background: #bdbdbd;
  color: #000000;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
}

.table-cell {
  border: 1px solid #1f1f1f;
  padding: 8px 10px;
  background: #c8c8c8;
  color: #000000;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
}

.overview-pre {
  white-space: pre-wrap;
  background: #c8c8c8;
  border: 1px solid #1f1f1f;
  border-radius: 12px;
  padding: 18px;
  color: #000000;
  font-family: Arial, Verdana, 'Segoe UI', Tahoma, sans-serif;
  font-size: 22px;
  line-height: 1.5;
}

@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; }
  .nav-bar { flex-wrap: wrap; gap: 12px; }
  .nav-links { gap: 12px; }
}