body {
    background-color: var(--page-bg);
    color: var(--page-fg);
}

.grid-bg {
    background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 30px 30px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.tech-border {
    border: 1px solid var(--tech-border);
    position: relative;
    background: var(--tech-surface);
}

.tech-border::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    width: 10px;
    height: 10px;
    border-top: 1px solid var(--muted-fg);
    border-left: 1px solid var(--muted-fg);
}

.tech-border::after {
    content: '';
    position: absolute;
    bottom: -1px;
    right: -1px;
    width: 10px;
    height: 10px;
    border-bottom: 1px solid var(--muted-fg);
    border-right: 1px solid var(--muted-fg);
}

.content-shell {
    max-width: 76rem;
    margin: 0 auto;
    width: 100%;
}

.content-hero {
    display: grid;
    gap: 2rem;
}

.content-eyebrow {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--muted-fg);
}

.content-prose {
    color: var(--page-fg);
    line-height: 1.75;
    font-size: 0.92rem;
}

.content-prose p + p {
    margin-top: 0.95rem;
}

.content-prose ul,
.content-prose ol {
    padding-left: 1.2rem;
}

.content-prose li + li {
    margin-top: 0.45rem;
}

.content-link {
    color: #CCFF00;
    font-weight: 700;
    text-decoration: underline;
}

html[data-theme='light'] .content-link {
    color: var(--light-accent);
}

.content-heading {
    font-size: 1.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.content-subheading {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.content-grid {
    display: grid;
    gap: 1rem;
}

.content-card {
    padding: 1.25rem;
    border: 1px solid var(--tech-border);
    background: rgba(255, 255, 255, 0.03);
}

.content-card h3,
.content-card h4 {
    margin-bottom: 0.75rem;
}

.content-callout {
    border-left: 3px solid #CCFF00;
    padding: 1rem 1rem 1rem 1.25rem;
    background: rgba(204, 255, 0, 0.08);
}

html[data-theme='light'] .content-callout {
    border-left-color: var(--light-accent);
    background: rgba(15, 17, 16, 0.06);
}

.content-nav-card {
    display: block;
    border: 1px solid var(--tech-border);
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    transition: all 0.2s ease;
}

.content-nav-card:hover,
.content-nav-card:focus-visible {
    border-color: #CCFF00;
    color: #CCFF00;
    outline: none;
}

html[data-theme='light'] .content-nav-card:hover,
html[data-theme='light'] .content-nav-card:focus-visible {
    border-color: var(--light-accent);
    color: var(--light-accent);
}

.content-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--muted-fg);
}

.content-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--tech-border) 35%, var(--tech-border) 65%, transparent 100%);
}

[id] {
    scroll-margin-top: 7rem;
}

@media (min-width: 900px) {
    .content-hero {
        grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 24rem);
        align-items: start;
    }

    .content-grid.two-up {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .content-grid.three-up {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}