body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

.loading {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(255,255,255,0.9);
  display: flex; justify-content: center; align-items: center;
  z-index: 9999;
}

.spinner {
  width: 40px; height: 40px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin { 0% { transform: rotate(0deg);} 100% { transform: rotate(360deg);} }

.navbar {
  background: #fff !important;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  border-radius: 0 0 1.5rem 1.5rem;
  padding: 0;
  min-height: 86px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  height: 100%;
}

.navbar-brand img {
  height: 72px !important;
  width: auto !important;
  object-fit: contain;
  transition: none;
}

.navbar .navbar-brand img:hover { transform: none; }

.navbar .container {
  height: 100%;
  display: flex;
  align-items: center;
}

.langbar {
  border-radius: 50%;
  border: 2px solid #e0e7ef;
  transition: box-shadow 0.2s;
}

.langbar:hover {
  box-shadow: 0 0 8px #b6c6e3;
}

.hero-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  padding: 2.2rem 0 1.2rem 0;
  margin-bottom: 1.2rem;
  text-align: center;
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
  color: #fff;
  filter: drop-shadow(0 2px 6px #764ba2);
}

.system-card {
  transition: transform 0.3s, box-shadow 0.3s;
  border: none;
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 10px 25px rgba(0,0,0,0.10);
  min-height: 200px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.system-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 16px 40px rgba(102,126,234,0.18);
}

.system-card img {
  transition: transform 0.3s;
  max-width: 85%;
}

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

.card-body { padding: 0.8rem 0.7rem 0.8rem 0.7rem; }

.card-body h2 { font-size: 1.1rem; }

.btn-system {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  color: white;
  padding: 1rem 2rem;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s;
  font-size: 1.1rem;
  margin-top: 1rem;
}

.btn-system:hover {
  background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
  color: #fff;
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 5px 15px rgba(102,126,234,0.18);
}

footer {
  background: #232946;
  color: #fff;
  border-radius: 1.5rem 1.5rem 0 0;
  margin-top: 3rem;
  padding: 1.5rem 0 1rem 0;
}

@media (max-width: 991px) {
}

@media (max-width: 575px) {
  .navbar-brand img { height: 56px !important; width: auto !important; }
}

.features-row .col-6, .features-row .col-md-3 {
  padding-left: 24px;
  padding-right: 24px;
}

.card-body p strong { font-size: 1.25rem; }

.clickable-card { cursor: pointer; }

.clickable-card:hover {
  box-shadow: 0 16px 40px rgba(102,126,234,0.28) !important;
  filter: brightness(0.98);
}

.hero-logos-row { gap: 1.5rem; }
.hero-logo-img { height: 108px; width: auto; max-width: 240px; margin-top: -18px; }
.main-container { margin-top: 2.2rem; margin-bottom: 2.5rem; }
.features-row-wrapper { max-width: 700px; margin: auto; }
  padding-right: 24px;
}

.card-body p strong { font-size: 1.25rem; }

.clickable-card { cursor: pointer; }

.clickable-card:hover {
  box-shadow: 0 16px 40px rgba(102,126,234,0.28) !important;
  filter: brightness(0.98);
}

.hero-logos-row { gap: 1.5rem; }
.hero-logo-img { height: 108px; width: auto; max-width: 240px; margin-top: -18px; }
.main-container { margin-top: 2.2rem; margin-bottom: 2.5rem; }
.features-row-wrapper { max-width: 700px; margin: auto; }