body { margin: 0; font-family: 'Open Sans', sans-serif; line-height: 1.6; color: #fff; background: #1E3A8A; overflow-x: hidden; }
h1, h2, h3 { font-family: 'Montserrat', sans-serif; font-weight: bold; }
.container { max-width: 1440px; margin: 0 auto; padding: 20px; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
header { background: #6D28D9; padding: 50px 20px; text-align: center; position: relative; overflow: hidden; }
header h1 { font-size: 3em; color: #fff; position: relative; z-index: 2; }
header::before { content: ''; position: absolute; top: 0; left: 0; width: 200%; height: 100%; background: linear-gradient(135deg, rgba(17,184,129,0.3) 25%, transparent 25%) -50px 0, linear-gradient(225deg, rgba(249,115,22,0.3) 25%, transparent 25%) -50px 0; background-size: 100px 100px; animation: flow 5s linear infinite; z-index: 1; }
@keyframes flow { 0% { transform: translateX(0); } 100% { transform: translateX(50px); } }
.card { background: rgba(255,255,255,0.1); border-radius: 10px; padding: 20px; box-shadow: 0 4px 15px rgba(0,0,0,0.2); transition: transform 0.3s ease; }
.card:hover { transform: translateY(-10px); }
img { width: 100%; height: auto; border-radius: 10px; object-fit: cover; }
.parallax { height: 400px; background-image: url('https://images.gptkong.com/demo/sample1.png'); background-attachment: fixed; background-position: center; background-repeat: no-repeat; background-size: cover; }
@media (max-width: 768px) { .parallax { background-attachment: scroll; } }
.data-section { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.icon { font-size: 2em; color: #10B981; }
footer { background: #1E3A8A; padding: 30px; text-align: center; }
.btn { background: #F97316; color: #fff; padding: 10px 20px; border-radius: 5px; text-decoration: none; transition: background 0.3s ease; }
.btn:hover { background: #e65a00; }
.article { background: rgba(255,255,255,0.05); padding: 20px; border-radius: 10px; }
pre { background: rgba(0,0,0,0.2); padding: 15px; border-radius: 5px; overflow-x: auto; }
code { color: #10B981; }
.tag { background: #10B981; color: #000; padding: 5px 10px; border-radius: 15px; font-size: 0.8em; margin: 5px; display: inline-block; }
@media (max-width: 768px) { header h1 { font-size: 2em; } }
@media (max-width: 480px) { header h1 { font-size: 1.5em; } }