/* Shared essay styles — matches portfolio Dark Luxe design tokens */
:root {
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-card: #141416;
    --bg-elevated: #1f1f23;
    --accent: #d4a853;
    --accent-bright: #f0c674;
    --accent-muted: rgba(212,168,83,0.12);
    --accent-glow: rgba(212,168,83,0.35);
    --green: #6fe89a;
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-tertiary: #71717a;
    --text-muted: #52525b;
    --border-subtle: rgba(255,255,255,0.06);
    --border-default: rgba(255,255,255,0.1);
    --border-accent: rgba(212,168,83,0.3);
    --font-display: 'Clash Display', ui-serif, serif;
    --font-body: 'Satoshi', ui-sans-serif, system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100dvh;
    padding: 0 0 6rem;
    position: relative;
}

a { color: var(--accent); border-bottom: 1px solid var(--border-default); text-decoration: none; transition: all 150ms ease; }
a:hover { color: var(--accent-bright); border-color: var(--accent); }

::selection { background: var(--accent-glow); color: var(--text-primary); }

/* Background */
.bg-grid {
    position: fixed; inset: 0; pointer-events: none; z-index: 0;
    background-image:
        linear-gradient(rgba(212,168,83,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(212,168,83,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}
.bg-gradient {
    position: fixed; inset: 0; pointer-events: none; z-index: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(212,168,83,0.08), transparent 60%),
        radial-gradient(ellipse 50% 40% at 100% 30%, rgba(111,167,233,0.04), transparent 60%);
}

/* Top bar / back to portfolio */
.topbar {
    position: sticky; top: 0; z-index: 10;
    padding: 1rem 0;
    background: rgba(10,10,11,0.75);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid var(--border-subtle);
}
.topbar-inner {
    max-width: 720px; margin: 0 auto; padding: 0 1.5rem;
    display: flex; justify-content: space-between; align-items: center;
    font-family: var(--font-mono); font-size: 0.8125rem;
}
.topbar a { color: var(--text-secondary); border: none; }
.topbar a:hover { color: var(--accent); }
.topbar-back::before { content: '← '; }

/* Article container */
.article {
    max-width: 720px;
    margin: 0 auto;
    padding: 4rem 1.5rem 0;
    position: relative;
    z-index: 1;
}

/* Article header */
.article-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    display: inline-flex; align-items: center; gap: 0.75rem;
}
.article-eyebrow::before { content: ''; width: 24px; height: 1px; background: var(--accent); }

.article-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 500;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}
.article-title em { font-style: italic; color: var(--accent); font-weight: 400; }

.article-meta {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-subtle);
    display: flex; gap: 1rem; flex-wrap: wrap;
    letter-spacing: 0.02em;
}
.article-meta .dot { width: 4px; height: 4px; background: var(--text-muted); border-radius: 50%; align-self: center; }

/* Article body */
.article-body {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

.article-body h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin: 4rem 0 1.5rem;
}
.article-body h2::before {
    content: ''; display: block;
    width: 2rem; height: 2px; background: var(--accent);
    margin-bottom: 1rem;
}

.article-body h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: 2.5rem 0 1rem;
    letter-spacing: -0.015em;
}

.article-body p {
    margin-bottom: 1.5rem;
}
.article-body p:first-of-type {
    font-size: 1.1875rem;
    color: var(--text-primary);
    line-height: 1.6;
}

.article-body strong { color: var(--text-primary); font-weight: 600; }
.article-body em { color: var(--accent); font-style: italic; }
.article-body code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: var(--bg-elevated);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--accent-bright);
    border: 1px solid var(--border-subtle);
}

/* Code block */
.article-body pre {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    margin: 2rem 0;
    overflow-x: auto;
    position: relative;
}
.article-body pre code {
    background: none;
    padding: 0;
    border: none;
    font-size: 0.8125rem;
    color: var(--text-primary);
    line-height: 1.65;
}

/* Callout box */
.callout {
    margin: 2rem 0;
    padding: 1.25rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
}
.callout strong { color: var(--accent-bright); }
.callout.warning { border-left-color: #f08080; }
.callout.warning strong { color: #f08080; }

.article-body ul, .article-body ol {
    margin: 1.5rem 0 1.5rem 0;
    padding-left: 1.5rem;
}
.article-body li {
    margin-bottom: 0.75rem;
}
.article-body li::marker { color: var(--accent); }

/* Table */
.article-body table {
    width: 100%;
    margin: 2rem 0;
    border-collapse: collapse;
    font-size: 0.9375rem;
}
.article-body th, .article-body td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: top;
}
.article-body th {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    font-weight: 500;
}
.article-body tbody tr:hover { background: var(--bg-card); }

/* Blockquote */
.article-body blockquote {
    border-left: 3px solid var(--accent);
    margin: 2rem 0;
    padding: 0.5rem 0 0.5rem 1.5rem;
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 400;
    font-style: italic;
    line-height: 1.45;
    letter-spacing: -0.01em;
}
.article-body blockquote em { color: var(--accent); }

/* Pull-quote */
.pullquote {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-align: center;
    margin: 3rem 0;
    padding: 2rem 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}
.pullquote em { color: var(--accent); font-style: italic; }

/* Footnote */
.article-footer {
    margin-top: 5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.article-footer a { color: var(--accent); border: none; }
.article-footer a:hover { color: var(--accent-bright); }

/* Links inside article body */
.article-body a {
    color: var(--accent);
    border-bottom: 1px solid var(--border-default);
}
.article-body a:hover { border-bottom-color: var(--accent); }

/* Related links */
.related {
    margin-top: 3rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
}
.related-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}