/**
 * Article Styles - drewburchfield.com
 * Shared styles for all article/writing pages
 */

:root {
    /* Colors */
    --color-bg: #f8f7f4;
    --color-surface: #ffffff;
    --color-surface-hover: #f0f0f0;
    --color-text-primary: #1a1a1a;
    --color-text-secondary: #555555;
    --color-accent: #6366f1;
    --color-accent-dim: #a5b4fc;
    --color-border: #e5e5e5;

    /* Typography - Font Families */
    --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    /* Typography - 7-Size Scale */
    --font-hero: 4rem;        /* Hero name */
    --font-h2: 2.5rem;        /* Section headers */
    --font-h3: 1.5rem;        /* Card titles, subheadings */
    --font-article-h2: 1.75rem; /* Article section headers */
    --font-article-h3: 1.35rem; /* Article subheadings */
    --font-large: 1.125rem;   /* Intro/lead text */
    --font-body: 1rem;        /* Body text */
    --font-small: 0.875rem;   /* Metadata, labels */
    --font-tiny: 0.75rem;     /* Badges, tags */
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.7;
}

::selection {
    background: var(--color-accent);
    color: white;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(248, 247, 244, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

nav {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-mono);
    font-size: var(--font-large);
    font-weight: 500;
    color: var(--color-text-primary);
    text-decoration: none;
}

.logo span {
    color: var(--color-accent);
}

.back-link {
    font-family: var(--font-mono);
    font-size: var(--font-small);
    color: var(--color-accent);
    text-decoration: none;
    transition: transform 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.back-link:hover {
    transform: translateX(-4px);
}

/* Article Container */
.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 8rem 2rem 4rem;
}

/* Article Header */
.article-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.article-meta {
    font-family: var(--font-mono);
    font-size: var(--font-small);
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.article-title {
    font-size: var(--font-h2);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.article-subtitle {
    font-size: var(--font-h3);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Article Content */
.article-content {
    font-size: var(--font-body);
    line-height: 1.8;
}

.article-content h2 {
    font-size: var(--font-article-h2);
    font-weight: 600;
    margin: 3rem 0 1rem;
    color: var(--color-text-primary);
}

.article-content h3 {
    font-size: var(--font-article-h3);
    font-weight: 600;
    margin: 2rem 0 1rem;
    color: var(--color-text-primary);
}

.article-content p {
    margin-bottom: 1.5rem;
    color: var(--color-text-secondary);
}

.article-content ul,
.article-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
    color: var(--color-text-secondary);
}

.article-content li {
    margin-bottom: 0.875rem;
}

.article-content strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

/* Code */
.article-content code {
    font-family: var(--font-mono);
    background: var(--color-surface);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--color-accent);
}

.article-content pre {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    overflow-x: auto;
}

.article-content pre code {
    background: none;
    padding: 0;
    color: var(--color-text-secondary);
}

/* Blockquote */
.article-content blockquote {
    border-left: 3px solid var(--color-accent);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--color-text-secondary);
}

/* Example Box */
.example {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.example-label {
    font-family: var(--font-mono);
    font-size: var(--font-small);
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.example blockquote {
    margin: 0.5rem 0;
    border-left-color: var(--color-border);
}

/* Callout Box */
.callout {
    background: rgba(99, 102, 241, 0.04);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent);
    border-radius: 8px;
    padding: 2rem;
    margin: 2.5rem 0;
}

.callout-title {
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

/* Article Separator */
.article-separator {
    text-align: center;
    margin: 4rem 0 2rem;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
    font-size: var(--font-small);
    letter-spacing: 0.05em;
}

.article-separator::before {
    content: '';
    display: block;
    width: 60px;
    height: 1px;
    background: var(--color-border);
    margin: 0 auto 1.5rem;
}

/* Author Bio */
.author-bio {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2.5rem;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.author-info h4 {
    font-size: var(--font-h3);
    margin-bottom: 0.5rem;
}

.author-info p {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    font-size: var(--font-body);
}

/* Social Links */
.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: var(--font-small);
    transition: all 0.2s;
}

.social-link:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.social-icon {
    width: 18px;
    height: 18px;
}

/* Footer */
footer {
    padding: 48px 32px;
    text-align: center;
}

footer p {
    font-size: var(--font-small);
    color: var(--color-text-secondary);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .article-container {
        padding: 6rem 1rem 3rem;
    }

    .article-title {
        font-size: 2rem;
    }

    .article-subtitle {
        font-size: 1.1rem;
    }

    .article-content {
        font-size: 1rem;
    }

    .article-content ul,
    .article-content ol {
        padding-left: 1.25rem;
    }

    .author-bio {
        flex-direction: column;
        text-align: center;
    }

    .social-links {
        flex-direction: column;
        width: 100%;
    }

    .social-link {
        justify-content: center;
    }
}