@import url('https://fonts.googleapis.com/css2?family=Montserrat+Alternates:wght@700&family=Roboto+Mono:wght@400;500&display=swap');

:root {
    --primary-color: #0A1F44;
    --secondary-color: #E6E8EB;
    --accent-color: #FFC700;
    --hover-color: #FF9F1C;
    --glass-opacity: 0.8;
    --blur-radius: 10px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Roboto Mono', monospace;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, var(--primary-color), #1A3F74);
    color: var(--secondary-color);
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    position: relative;
    height: 100vh;
    background: url('https://images.gptkong.com/demo/sample1.png') center/cover no-repeat, linear-gradient(to bottom, #0A1F44, #1A3F74);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
}

header h1 {
    font-family: 'Montserrat Alternates', sans-serif;
    font-size: 4rem;
    letter-spacing: 2px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.glass-panel {
    backdrop-filter: blur(var(--blur-radius));
    background: rgba(255, 255, 255, var(--glass-opacity));
    border-radius: 15px;
    box-shadow: var(--shadow);
    padding: 20px;
    margin: 20px auto;
    max-width: 1200px;
    transition: transform 0.3s ease-in-out;
}

.glass-panel:hover {
    transform: scale(1.02);
}

.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

h2, h3 {
    font-family: 'Montserrat Alternates', sans-serif;
    color: var(--accent-color);
    margin-top: 40px;
}

code {
    background: rgba(0, 0, 0, 0.1);
    padding: 5px 10px;
    border-radius: 5px;
    font-family: 'Roboto Mono', monospace;
    color: var(--hover-color);
}

pre {
    background: rgba(0, 0, 0, 0.2);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    font-size: 0.9rem;
}

.text-block {
    letter-spacing: 1px;
    line-height: 1.6;
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.fade-in.active {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2.5rem;
    }

    .container {
        grid-template-columns: 1fr;
    }

    pre {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 2rem;
    }

    .glass-panel {
        padding: 15px;
    }
}