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

:root {
  --primary: #0066cc;
  --secondary: #6c757d;
  --success: #28a745;
  --danger: #dc3545;
  --warning: #ffc107;
  --light: #f8f9fa;
  --dark: #212529;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--dark);
  background-color: #fff;
}

nav {
  background-color: var(--dark);
  color: #fff;
  padding: 1rem 0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

nav h1 {
  margin: 0;
  font-size: 1.5rem;
  color: #fff;
}

main {
  padding: 2rem 1rem;
}

main p {
  max-width: 800px;
  margin: 0 auto 2rem auto;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: darken(var(--primary), 10%);
}

button {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 0.25rem;
  background-color: var(--primary);
  color: #fff;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

button:hover {
  opacity: 0.9;
}

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

.implementations {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 0 auto;
  max-width: 800px;
}

.implementations a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100px;
  background-color: var(--primary);
  color: #fff;
  border-radius: 0.5rem;
  transition: background-color 0.2s ease, transform 0.1s ease;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.implementations a:hover {
  background-color: #0052a3;
  /* transform: translateY(-2px); */
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.implementations a img {
  display: none;
}

.implementations a h2 {
  margin: 0;
  font-size: 1.25rem;
  color: #fff;
  font-weight: 600;
}