body, html { margin: 0; padding: 0; width: 100%; height: 100%; font-family: 'Roboto', sans-serif; overflow-x: hidden; }
body { background: linear-gradient(135deg, #0a0a2a, #000000); color: #fff; line-height: 1.6; }
header { position: fixed; top: 0; left: 0; right: 0; background: rgba(0, 0, 0, 0.7); z-index: 1000; }
header nav { display: flex; justify-content: space-between; align-items: center; padding: 1rem; }
header .logo { font-size: 1.5rem; font-weight: bold; text-transform: uppercase; }
header .menu { display: flex; gap: 1rem; }
header .menu a { color: #fff; text-decoration: none; transition: color 0.3s ease, transform 0.3s ease; }
header .menu a:hover { color: #ff8e00; transform: scale(1.1); }
main { margin-top: 4rem; padding: 1rem; }
.hero { background: url('https://images.gptkong.com/demo/sample1.png'), linear-gradient(135deg, #6a11cb, #2575fc, #ff8e00); background-size: cover; height: 100vh; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; color: #fff; }
.hero h1 { font-size: 3rem; margin-bottom: 1rem; }
.hero p { font-size: 1.2rem; max-width: 600px; }
.grid-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin: 2rem 0; }
.grid-item { background: rgba(255, 255, 255, 0.1); border-radius: 10px; padding: 1rem; text-align: center; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.grid-item:hover { transform: translateY(-10px); box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3); }
.grid-item img { width: 100%; height: auto; border-radius: 10px; }
footer { background: #000; color: #fff; text-align: center; padding: 1rem; margin-top: 2rem; }
@media (max-width: 768px) { header .menu { flex-direction: column; } .hero h1 { font-size: 2rem; } }
@keyframes gradient-animation { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
button { background-color: #ff8e00; color: #fff; border: none; padding: 0.5rem 1rem; border-radius: 5px; cursor: pointer; transition: all 0.3s ease; }
button:hover { background-color: #ff8e00; transform: scale(1.1); }
article { margin-top: 2rem; padding: 1rem; background: rgba(255, 255, 255, 0.1); border-radius: 10px; }
article h2, article h3 { color: #ff8e00; }
article pre { background: #000; color: #fff; padding: 1rem; border-radius: 5px; overflow-x: auto; }