:root {
  --primary-color: #ff69b4; /* Light pink */
  --primary-light: #ffb3d9; /* Lighter variant */
  --primary-dark: #ff1493; /* Darker variant for hover */
  --secondary-color: #F5F7FA;
  --accent-color: #50E3C2;
  --text-color: #1a1a1a;
  --light-text: #6b7280;
  --background-color: #FFFFFF;
  --border-color: #e5e7eb;
  --glass-bg: rgba(255, 255, 255, 0.85);
  --header-height: 72px;
  --nav-padding: 24px;
  --beginner-color: #0d904f;
  --beginner-bg: #e6f7ec;
  --intermediate-color: #ff9800;
  --intermediate-bg: #fff4e6;
  --advanced-color: #f44336;
  --advanced-bg: #ffebee;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
  font-family: 'Nunito', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding-top: var(--header-height); /* Space for the fixed header */
}

main {
  flex: 1 0 auto;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.btn {
  padding: 0.5rem 1rem;
  border-radius: 5px;
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: 600;
}

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

.btn-primary:hover {
  background-color: #ff45a0; /* Darker shade on hover */
  transform: translateY(-2px);
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-color);
  border: 1px solid var(--text-color);
}

.btn-secondary:hover {
  background-color: rgba(0,0,0,0.05);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.announcement-banner {
    background: rgba(255, 105, 180, 0.06);
    border-bottom: 1px solid rgba(255, 105, 180, 0.15);
    text-align: center;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    color: var(--light-text, #6c757d);
    position: relative;
    z-index: 99;
}

.announcement-banner s {
    opacity: 0.5;
}

.announcement-banner .announcement-price {
    color: var(--text-color, #2c3e50);
    font-weight: 500;
}

.announcement-banner a {
    color: var(--primary-color, #ff69b4);
    text-decoration: none;
    font-weight: 500;
    margin-left: 0.25rem;
}

.announcement-banner a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .announcement-banner {
        font-size: 0.78rem;
        padding: 0.4rem 0.75rem;
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  :root {
    --nav-padding: 20px;
    --header-height: 130px;
  }
  
  .container {
    padding: 0 1.5rem;
  }
  
  body {
    padding-top: 130px;
  }
  
  .btn {
    padding: 0.4rem 0.8rem;
  }
}

@media (max-width: 480px) {
  :root {
    --nav-padding: 16px;
    --header-height: 140px;
  }
  
  body {
    padding-top: 140px;
  }
  
  .container {
    padding: 0 1rem;
  }
}