:root {
  /* Brand Colors */
  --primary-color: #ff4757;    /* Vibrant red */
  --primary-light: #ff6b81;   /* Lighter red */
  --primary-dark: #ff1a36;    /* Darker red */
  --secondary-color: #5352ed;  /* Royal blue */
  --accent-color: #ff9f43;    /* Orange */
  
  /* Backgrounds */
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --bg-dark: #1e272e;
  
  /* Text Colors */
  --text-primary: #2f3542;
  --text-secondary: #57606f;
  --text-light: #a4b0be;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), #747dff);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
}

/* Base Styles */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-primary);
  background: var(--bg-light);
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-md);
}

/* Buttons */
.btn {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 12px rgba(255, 71, 87, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 71, 87, 0.4);
}

/* Cards */
.card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.5s ease-out forwards;
}

/* Utility Classes */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --space-md: 12px;
    --space-lg: 20px;
  }
  
  .btn {
    padding: 8px 16px;
    font-size: 14px;
  }
}