:root {
  --primary: #d32f2f;
  --primary-hover: #b71c1c;
  --accent: #1976d2;
  --accent-light: #bbdefb;
  --bg-color: #ffffff;
  --bg-surface: #f5f5f5;
  --text-dark: #000000;
  --text-muted: #424242;
  --text-light: #ffffff;
  
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --transition-speed: 0.3s;
}

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

body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  background-color: var(--bg-color);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

a:hover {
  color: var(--primary);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Utilities */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.py-4 { padding-top: 4rem; padding-bottom: 4rem; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all var(--transition-speed) ease;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px rgba(211, 47, 47, 0.2);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--text-light);
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background-color: var(--bg-color);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  border: 1px solid #e0e0e0;
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
  border-color: var(--accent-light);
}

.card-icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.8s ease-out forwards;
}

/* Sections */
.hero-section {
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--accent-light) 100%);
  padding: 6rem 0;
  border-bottom: 4px solid var(--primary);
}

.hero-content {
  max-width: 800px;
}

.hero-title {
  font-size: 3.5rem;
  color: var(--text-dark);
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}