body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #f8fafc;
  color: #111827;
}

.topbar {
  background: #111827;
}

.brand {
  color: #e5e7eb;
  text-decoration: none;
  font-weight: 600;
}

.brand:hover {
  color: #93c5fd;
}

.todo-newb {
  background: linear-gradient(130deg, #eef2ff, #ffffff);
}

.mockup-card {
  border: 1px solid #dbe3f1;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(30, 41, 59, 0.08);
}

.mockup-card li {
  margin-bottom: 0.7rem;
  display: flex;
  gap: 0.5rem;
}

.mockup-card i {
  color: #2563eb;
}

.feature-box {
  border-radius: 14px;
  border: 1px solid #e5e7eb;
  background: #ffffff;
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.06);
}

footer {
  background: #0b1220;
  color: #d1d5db;
}

footer a {
  color: #93c5fd;
  text-decoration: none;
}