:root {
  --primary-color: #4A90E2;
  --secondary-color: #50E3C2;
  --background-color: #F8F9FA;
  --surface-color: #FFFFFF;
  --text-color: #212529;
  --primary-gradient: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
}

.navbar-brand {
  font-weight: bold;
}

.hero {
  background: var(--primary-gradient);
  color: white;
  padding: 6rem 0;
}

.hero h1 {
  font-weight: 700;
  font-size: 3.5rem;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.section {
  padding: 5rem 0;
}

.card {
  border: none;
  border-radius: 0.75rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.05);
  transition: transform 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-5px);
}

.navbar-sticky.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    transition: all 0.3s ease-in-out;
}

.store-badge {
    display: inline-block;
    height: 50px;
}

.avatar {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    object-fit: cover;
}