:root {
    --bg-color: #0c0c0c;
    --text-color: #ffffff;
    --accent-color: #333;
    --secondary-text: #888;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --spacing-unit: 20px;
    --container-width: 1200px;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

a:hover {
    opacity: 0.7;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

/* Header */
header {
    padding: 40px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.5px;
}

nav {
    display: flex;
    gap: 30px;
}

nav a {
    font-size: 0.95rem;
    color: var(--secondary-text);
}

nav a:hover {
    color: var(--text-color);
}

/* Hero */
.hero {
    padding: 120px 0;
    max-width: 900px;
}

h1 {
    font-size: 5rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 30px;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--secondary-text);
    max-width: 600px;
    font-weight: 400;
}

/* Grid Layout for Projects/Blog */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 100px;
}

.card {
    border-top: 1px solid var(--accent-color);
    padding-top: 20px;
    display: flex;
    flex-direction: column;
}

.card-meta {
    font-size: 0.85rem;
    color: var(--secondary-text);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.card-excerpt {
    color: var(--secondary-text);
    font-size: 1rem;
    margin-bottom: 20px;
}

.card-link {
    margin-top: auto;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

/* Footer */
footer {
    padding: 60px 0;
    border-top: 1px solid var(--accent-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--secondary-text);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 20px;
}

/* Typography for Article/Project Pages */
.article-header {
    padding: 100px 0 60px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.article-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.article-meta {
    color: var(--secondary-text);
}

.article-content {
    max-width: 700px;
    margin: 0 auto 100px;
    font-size: 1.15rem;
    line-height: 1.8;
}

.article-content h2 {
    font-size: 2rem;
    margin: 50px 0 20px;
    letter-spacing: -0.5px;
}

.article-content h3 {
    font-size: 1.5rem;
    margin: 40px 0 15px;
    color: var(--text-color);
}

.article-content p {
    margin-bottom: 25px;
    color: #d0d0d0;
}

.article-content ul,
.article-content ol {
    margin-bottom: 25px;
    padding-left: 20px;
    color: #d0d0d0;
}

.article-content li {
    margin-bottom: 10px;
}

.article-content hr {
    border: none;
    border-top: 1px solid var(--accent-color);
    margin: 50px 0;
}

.article-content blockquote {
    border-left: 2px solid var(--text-color);
    padding-left: 20px;
    margin: 30px 0;
    font-style: italic;
    color: var(--text-color);
}

.article-content code {
    background: #222;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', monospace;
    font-size: 0.9em;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 3rem;
    }

    .hero {
        padding: 80px 0;
    }

    .article-title {
        font-size: 2.5rem;
    }

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

/* Singularity Background */
#singularity-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}