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

/* Root Variables */
:root {
    --primary-gradient: linear-gradient(to bottom, #0A2647, #144272);
    --cta-color: #2EC4B6;
    --text-color: #FFFFFF;
    --background-color: #0A2647;
    --font-family: 'Roboto', sans-serif;
    --transition-speed: 0.3s;
    --max-width: 1200px;
}

/* Body Styling */
body {
    font-family: var(--font-family);
    background: var(--primary-gradient);
    color: var(--text-color);
    line-height: 1.6;
    padding: 20px;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 20px;
    background: rgba(10, 38, 71, 0.8);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Header */
header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--cta-color);
}

header p {
    font-size: 1.2rem;
    color: #C0C0C0;
}

/* Article Styling */
article {
    margin-bottom: 40px;
}

article h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--cta-color);
}

article h3 {
    font-size: 1.5rem;
    margin: 20px 0 10px 0;
    color: var(--cta-color);
}

article h4 {
    font-size: 1.2rem;
    margin-top: 30px;
    color: var(--cta-color);
}

article p {
    margin-bottom: 15px;
    font-size: 1rem;
    color: #E0E0E0;
}

article pre {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 20px;
}

article code {
    color: #2EC4B6;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.95rem;
}

/* Images */
.article-images {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.article-images img {
    width: 100%;
    max-width: 320px;
    border-radius: 5px;
    object-fit: cover;
}

/* Call to Action Button */
.cta-button {
    display: inline-block;
    background-color: var(--cta-color);
    color: var(--text-color);
    padding: 12px 25px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color var(--transition-speed);
    text-decoration: none;
}

.cta-button:hover {
    background-color: #28B5A5;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 40px;
    font-size: 0.9rem;
    color: #A0A0A0;
}

/* Animation */
@keyframes aurora-move {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

body {
    background: radial-gradient(circle, rgba(255,87,34,0.5), transparent);
    animation: aurora-move 15s linear infinite;
}

/* Responsive Design */
@media (max-width: 1440px) {
    .container {
        padding: 18px;
    }
}

@media (max-width: 1200px) {
    .container {
        padding: 16px;
    }

    header h1 {
        font-size: 2.2rem;
    }

    article h2 {
        font-size: 1.8rem;
    }

    .cta-button {
        padding: 10px 20px;
        font-size: 0.95rem;
    }
}

@media (max-width: 1024px) {
    .article-images {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 14px;
    }

    header h1 {
        font-size: 2rem;
    }

    article h2 {
        font-size: 1.6rem;
    }

    article h3 {
        font-size: 1.3rem;
    }

    .cta-button {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    body {
        padding: 15px;
    }

    .container {
        padding: 12px;
    }

    header h1 {
        font-size: 1.8rem;
    }

    article h2 {
        font-size: 1.4rem;
    }

    article h3 {
        font-size: 1.1rem;
    }

    .cta-button {
        padding: 6px 12px;
        font-size: 0.85rem;
    }

    .article-images img {
        max-width: 100%;
    }
}

@media (max-width: 320px) {
    header h1 {
        font-size: 1.5rem;
    }

    article h2 {
        font-size: 1.2rem;
    }

    article h3 {
        font-size: 1rem;
    }

    .cta-button {
        padding: 5px 10px;
        font-size: 0.8rem;
    }
}

/* Link Styling */
a {
    color: var(--cta-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: #28B5A5;
}

/* Blockquote Styling */
blockquote {
    border-left: 4px solid var(--cta-color);
    padding-left: 15px;
    margin: 20px 0;
    color: #D0D0D0;
    font-style: italic;
}

/* List Styling */
ul, ol {
    margin-left: 20px;
    margin-bottom: 15px;
}

li {
    margin-bottom: 10px;
    color: #E0E0E0;
}

/* Table Styling */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

th, td {
    border: 1px solid #3A506B;
    padding: 10px;
    text-align: left;
}

th {
    background-color: rgba(46, 196, 182, 0.2);
}

/* Hover Effects */
button:hover, .cta-button:hover {
    background-color: #28B5A5;
}

/* Image Hover Effect */
.article-images img:hover {
    transform: scale(1.05);
    transition: transform 0.3s;
}

/* Code Block Styling */
pre code {
    display: block;
    background: rgba(0, 0, 0, 0.7);
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
    color: #2EC4B6;
}

/* Highlighting Code */
pre code .keyword {
    color: #FFD700;
}

pre code .string {
    color: #FF69B4;
}

pre code .function {
    color: #ADFF2F;
}