:root {
  --primary-color: #160f2A;
  --secondary-color: #FB6E43;
  --background-color: #F5F3EE;
  --text-color: #333333;
  --button-hover: #1f173f;
}

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

body {
  font-family: system-ui, sans-serif;
  background: var(--background-color);
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  background: var(--primary-color);
  padding: 1rem 2rem;
  text-align: center;
}

.logo {
  max-height: 60px;
}

main {
  flex: 1;
  padding: 2rem;
  text-align: center;
}

h1 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.button-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto;
}

.test-btn {
  display: block;
  padding: 1rem 1.5rem;
  background: var(--secondary-color);
  color: white;
  text-decoration: none;
  font-size: 1.1rem;
  border-radius: 6px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  transition: background 0.2s, transform 0.1s;
}

.test-btn:hover {
  background: var(--button-hover);
  transform: translateY(-2px);
}

footer {
  background: #eee;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  color: #666;
}