body { margin: 0; font-family: Arial, sans-serif; background: linear-gradient(135deg, #00264d, #ff7f00); background-size: 200% 200%; animation: gradient-animation 10s infinite; color: white; line-height: 1.6; overflow-x: hidden; } @keyframes gradient-animation { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } } .container { max-width: 1400px; margin: auto; padding: 20px; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; } header { background: rgba(0, 0, 0, 0.7); padding: 20px; text-align: center; position: sticky; top: 0; z-index: 1000; } header h1 { margin: 0; font-size: 2em; } nav { margin-top: 10px; } nav a { color: #ff7f00; text-decoration: none; margin: 0 10px; font-size: 1.2em; transition: color 0.3s ease; } nav a:hover { color: #ffcc00; } .module { background: rgba(0, 0, 0, 0.6); padding: 20px; border-radius: 10px; opacity: 0; transform: translateY(20px); transition: all 0.5s ease-in-out; } .module.visible { opacity: 1; transform: translateY(0); } .feature img { width: 100%; height: auto; border-radius: 10px; margin-bottom: 15px; } .showcase { display: flex; flex-wrap: wrap; justify-content: space-around; } .showcase-item { background: rgba(0, 0, 0, 0.8); margin: 10px; padding: 15px; border-radius: 10px; flex: 1 1 calc(33.333% - 20px); transition: transform 0.3s ease; } .showcase-item:hover { transform: scale(1.05); } footer { background: rgba(0, 0, 0, 0.8); color: white; text-align: center; padding: 20px; margin-top: 20px; } @media (max-width: 768px) { .container { grid-template-columns: 1fr; } .showcase-item { flex: 1 1 100%; } } @media (min-width: 769px) and (max-width: 1024px) { .container { grid-template-columns: repeat(2, 1fr); } .showcase-item { flex: 1 1 calc(50% - 20px); } } @media (min-width: 1025px) { .container { grid-template-columns: repeat(3, 1fr); } } .dark-mode { background: linear-gradient(135deg, #121212, #333); color: white; } .dark-mode .module, .dark-mode header, .dark-mode footer, .dark-mode .showcase-item { background: rgba(255, 255, 255, 0.1); } button#dark-mode-toggle { background-color: #ff7f00; color: white; border: none; padding: 10px 20px; cursor: pointer; position: fixed; bottom: 20px; right: 20px; z-index: 1000; border-radius: 5px; transition: background-color 0.3s ease; } button#dark-mode-toggle:hover { background-color: #ffcc00; }