/* AuctionCalc blog — static SEO pages */
:root {
    --blog-bg: #0a0a0c;
    --blog-surface: #111114;
    --blog-text: rgba(255, 255, 255, 0.88);
    --blog-muted: rgba(255, 255, 255, 0.55);
    --blog-accent: #60a5fa;
    --blog-border: rgba(255, 255, 255, 0.08);
    --blog-max: 720px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--blog-bg);
    color: var(--blog-text);
    line-height: 1.75;
    min-height: 100vh;
}

.blog-nav {
    border-bottom: 1px solid var(--blog-border);
    padding: 16px 24px;
    background: rgba(10, 10, 12, 0.95);
    position: sticky;
    top: 0;
    z-index: 10;
}

.blog-nav-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.blog-logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
}

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

.blog-nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.blog-nav-links a {
    color: var(--blog-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}

.blog-nav-links a:hover { color: #fff; }

.blog-cta-btn {
    background: linear-gradient(135deg, #1e293b, #334155);
    color: #fff !important;
    padding: 8px 14px;
    border-radius: 8px;
    font-weight: 600 !important;
}

.blog-wrap {
    max-width: var(--blog-max);
    margin: 0 auto;
    padding: 48px 24px 80px;
}

.blog-list-wrap {
    max-width: 960px;
    margin: 0 auto;
    padding: 48px 24px 80px;
}

.blog-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--blog-accent);
    margin-bottom: 12px;
}

.blog-title {
    font-size: clamp(1.75rem, 4vw, 2.35rem);
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.blog-meta {
    font-size: 0.85rem;
    color: var(--blog-muted);
    margin-bottom: 20px;
}

.blog-author {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 16px 0 28px;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--blog-border);
}

.blog-author-photo {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.blog-author-byline {
    font-size: 0.9rem;
    color: #fff;
    margin-bottom: 4px;
}

.blog-author-byline strong {
    font-weight: 600;
}

.blog-author-bio {
    font-size: 0.85rem;
    color: var(--blog-muted);
    line-height: 1.5;
    margin: 0;
}

.blog-index-author {
    margin-top: -12px;
    margin-bottom: 32px;
}

.blog-index-author strong {
    color: #fff;
    font-weight: 600;
}

.blog-figure {
    margin: 1.5rem 0 2rem;
}

.blog-figure img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    border: 1px solid var(--blog-border);
    display: block;
}

.blog-figure figcaption {
    font-size: 0.8rem;
    color: var(--blog-muted);
    margin-top: 10px;
    line-height: 1.45;
}

.blog-prose h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    margin: 2rem 0 0.75rem;
}

.blog-prose h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    margin: 1.5rem 0 0.5rem;
}

.blog-prose p {
    margin-bottom: 1rem;
    color: var(--blog-text);
}

.blog-prose ul, .blog-prose ol {
    margin: 0 0 1rem 1.25rem;
}

.blog-prose li { margin-bottom: 0.5rem; }

.blog-prose a {
    color: var(--blog-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.blog-prose strong { color: #fff; }

.blog-formula {
    background: var(--blog-surface);
    border: 1px solid var(--blog-border);
    border-radius: 12px;
    padding: 20px 24px;
    margin: 1.5rem 0;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.95rem;
    color: #e2e8f0;
}

.blog-callout {
    background: rgba(96, 165, 250, 0.08);
    border-left: 3px solid var(--blog-accent);
    padding: 16px 20px;
    border-radius: 0 8px 8px 0;
    margin: 1.5rem 0;
}

.blog-inline-cta {
    margin: 2.5rem 0;
    padding: 28px;
    background: var(--blog-surface);
    border: 1px solid var(--blog-border);
    border-radius: 16px;
    text-align: center;
}

.blog-inline-cta h3 {
    color: #fff;
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.blog-inline-cta p {
    color: var(--blog-muted);
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.blog-inline-cta a {
    display: inline-block;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: #fff;
    text-decoration: none;
    padding: 12px 22px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
}

.blog-card-grid {
    display: grid;
    gap: 20px;
    margin-top: 32px;
}

.blog-card {
    display: block;
    background: var(--blog-surface);
    border: 1px solid var(--blog-border);
    border-radius: 14px;
    padding: 24px;
    text-decoration: none;
    transition: border-color 0.15s;
}

.blog-card:hover {
    border-color: rgba(96, 165, 250, 0.35);
}

.blog-card h2 {
    font-size: 1.15rem;
    color: #fff;
    margin-bottom: 8px;
}

.blog-card p {
    font-size: 0.9rem;
    color: var(--blog-muted);
    margin: 0;
}

.blog-footer {
    border-top: 1px solid var(--blog-border);
    padding: 32px 24px;
    text-align: center;
    color: var(--blog-muted);
    font-size: 0.85rem;
}

.blog-footer a {
    color: var(--blog-muted);
    margin: 0 8px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.88rem;
}

.comparison-table th,
.comparison-table td {
    border: 1px solid var(--blog-border);
    padding: 10px 12px;
    text-align: left;
}

.comparison-table th {
    background: var(--blog-surface);
    color: #fff;
    font-weight: 600;
}

.comparison-table td:first-child {
    font-weight: 500;
    color: #fff;
}

@media (max-width: 640px) {
    .comparison-table { font-size: 0.78rem; }
    .blog-nav-links a:not(.blog-cta-btn) { display: none; }
}