:root {
  --brand: #2563eb;
  --brand-dark: #1e40af;
  --brand-light: #eff6ff;
  --accent: #f59e0b;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: #1f2937;
}

.navbar {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.4rem;
}

.btn-brand {
  background-color: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.btn-brand:hover,
.btn-brand:focus {
  background-color: var(--brand-dark);
  border-color: var(--brand-dark);
  color: #fff;
}

.btn-outline-brand {
  border-color: var(--brand);
  color: var(--brand);
}

.btn-outline-brand:hover {
  background-color: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.hero {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  color: #fff;
  padding: 5rem 0;
}

.hero-img {
  border-radius: 1rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.feature-icon {
  font-size: 2.25rem;
  color: var(--brand);
}

.about-hero {
  background: linear-gradient(135deg, #111827 0%, #374151 100%);
  color: #fff;
  padding: 4rem 0;
}

.footer {
  background-color: #111827;
  color: #9ca3af;
}

.footer a {
  color: #9ca3af;
  text-decoration: none;
}

.footer a:hover {
  color: #fff;
}

.card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.product-img {
  height: 220px;
  object-fit: cover;
}

.timeline-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.timeline-dot {
  min-width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--brand-light);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.form-section {
  background-color: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 0.75rem;
}

.is-invalid.is-invalid {
  border-color: #dc3545;
}