/* Modern CSS reset and base styling */
:root {
  --sabre-red: #e31837;
  --sabre-dark: #2d054e;
  --sabre-light: #f8f9fa;
  --sabre-gray: #6c757d;
  --sabre-hover: #c6142f;
  --card-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: #333;
  background-color: #f0f2f5;
  line-height: 1.6;
}

/* Layout */
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header styles */
.sabre-header {
  background: linear-gradient(135deg, var(--sabre-dark) 0%, #3d1068 100%);
  color: white;
  padding: 2rem 1rem;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.sabre-header h1 {
  margin: 0;
  font-size: 2.5rem;
  letter-spacing: 2px;
  font-weight: 700;
}

.tagline {
  margin: 0.5rem 0 0;
  font-size: 1.1rem;
  font-weight: 300;
  opacity: 0.9;
}

/* Main content area */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

/* Card styling */
.card {
  background-color: white;
  border-radius: 12px;
  box-shadow: var(--card-shadow);
  overflow: hidden;
  width: 100%;
  max-width: 600px;
  margin: 1rem auto;
  transition: var(--transition);
}

.card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  transform: translateY(-3px);
}

.card-content {
  padding: 2rem;
  text-align: center;
}

.card-content h2 {
  color: var(--sabre-dark);
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.75rem;
}

.card-content p {
  color: var(--sabre-gray);
  margin-bottom: 1.5rem;
}

/* Button styling */
.action-container {
  margin: 2rem 0 1rem;
}

.trip-planner-btn {
  background-color: var(--sabre-red);
  color: white;
  border: none;
  border-radius: 30px;
  padding: 0.75rem 1.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 200px;
}

.trip-planner-btn:hover {
  background-color: var(--sabre-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(227, 24, 55, 0.3);
}

.trip-planner-btn:active {
  transform: translateY(0);
}

.btn-icon {
  margin-right: 10px;
  font-size: 1.2rem;
}

/* Footer styles */
footer {
  background-color: var(--sabre-dark);
  color: white;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
}

footer p {
  margin: 0;
  opacity: 0.8;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .sabre-header h1 {
    font-size: 2rem;
  }

  .card-content {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .sabre-header h1 {
    font-size: 1.75rem;
  }

  .trip-planner-btn {
    min-width: 180px;
    font-size: 1rem;
  }
}