/* =============================================================
   Article shared styles — maavdnbo.com
   Loaded by all blog article pages alongside ../css/main.css
   main.css provides: reset, variables, header, footer, buttons,
   newsletter components, animations.
   This file provides: article layout, typography, TOC, author
   block, social share, callouts, and shared article components.
   ============================================================= */

/* ── Article Header ────────────────────────────────────────── */

.article-header {
    padding: 120px 24px 60px;
    max-width: 800px;
    margin: 0 auto;
}

.article-meta {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--color-text-muted);
    flex-wrap: wrap;
}

.article-category {
    padding: 6px 14px;
    background: rgba(245, 197, 24, 0.12);
    color: var(--color-accent);
    border-radius: 16px;
    font-family: var(--font-mono);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 11px;
}

.article-header h1 {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -0.025em;
    margin-bottom: 24px;
}

.article-subtitle {
    font-size: 22px;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 32px;
}

.article-dates {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

/* ── Author block ───────────────────────────────────────────── */

.author-info {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

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

.author-details {
    flex: 1;
}

.author-name {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-text);
    display: block;
    margin-bottom: 2px;
    font-size: 15px;
}

.author-role {
    font-size: 13px;
    color: var(--color-text-muted);
    display: block;
    margin-bottom: 4px;
}

.reading-time {
    color: var(--color-text-muted);
    font-size: 14px;
}

/* ── Article layout (TOC + content) ────────────────────────── */

.article-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 24px 120px;
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 60px;
    align-items: start;
}

article {
    max-width: 720px;
}

/* ── Table of Contents ──────────────────────────────────────── */

.table-of-contents {
    position: sticky;
    top: 120px;
    background: var(--color-bg-lighter);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 24px;
}

.toc-title {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-list li {
    margin-bottom: 4px;
}

.toc-list a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    transition: all 0.2s ease;
    display: block;
    padding: 7px 14px;
    border-radius: 6px;
    border-left: 2px solid transparent;
}

.toc-list a:hover {
    color: var(--color-text);
    background: rgba(245, 197, 24, 0.05);
    border-left-color: var(--color-accent);
}

.toc-list a.active {
    color: var(--color-accent);
    background: rgba(245, 197, 24, 0.08);
    border-left-color: var(--color-accent);
}

/* ── Article prose ──────────────────────────────────────────── */

article h2 {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 600;
    margin: 56px 0 24px;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: var(--color-text);
}

article h2:first-of-type {
    margin-top: 0;
}

article h2[id] {
    scroll-margin-top: 120px;
}

article h3 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 600;
    margin: 40px 0 16px;
    letter-spacing: -0.015em;
    line-height: 1.25;
    color: var(--color-text);
}

article p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 24px;
    color: var(--color-text-muted);
}

article ul,
article ol {
    margin: 24px 0;
    padding-left: 32px;
}

article li {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 12px;
    color: var(--color-text-muted);
}

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

article em {
    font-style: italic;
    color: var(--color-text);
}

/* ── Callout block (shared across articles) ─────────────────── */

.callout {
    margin: 40px 0;
    padding: 24px 28px;
    background: var(--color-bg-lighter);
    border-left: 3px solid var(--color-accent);
    border-radius: 0 8px 8px 0;
}

.callout-label {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 10px;
}

.callout-info {
    border-left-color: var(--color-text-muted);
}

.callout p:last-child {
    margin-bottom: 0;
}

/* ── FAQ Section ────────────────────────────────────────────── */

.faq-section {
    margin: 64px 0 48px;
    padding-top: 48px;
    border-top: 1px solid var(--color-border);
}

.faq-section > h2 {
    font-size: 22px;
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 8px;
    letter-spacing: -0.015em;
    line-height: 1.25;
}

.faq-intro {
    font-size: 15px;
    color: var(--color-text-muted);
    margin: 0 0 24px;
}

.faq-list {
    margin: 0;
    padding: 0;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-item:first-of-type {
    border-top: 1px solid var(--color-border);
}

.faq-item summary.faq-question {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 0;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
    user-select: none;
}

.faq-item summary.faq-question::-webkit-details-marker {
    display: none;
}

.faq-item summary.faq-question::after {
    content: '+';
    font-size: 22px;
    font-weight: 300;
    color: var(--color-accent);
    flex-shrink: 0;
    line-height: 1.2;
}

.faq-item[open] summary.faq-question::after {
    content: '\2212';
}

.faq-answer {
    font-size: 16px;
    line-height: 1.75;
    color: var(--color-text-muted);
    margin: 0 0 20px;
    padding-right: 38px;
}

/* ── Related Articles ───────────────────────────────────────── */

.related-articles {
    margin: 48px 0 0;
    padding-top: 48px;
    border-top: 2px solid var(--color-accent);
}

.related-articles > h2 {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin: 0 0 20px;
}

.related-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.related-item {
    position: relative;
    display: block;
    padding: 22px 48px 22px 22px;
    background: var(--color-bg-lighter);
    border-left: 3px solid var(--color-accent);
    border-radius: 0 8px 8px 0;
    text-decoration: none;
    transition: background 0.15s ease;
    overflow: hidden;
}

.related-item:hover {
    background: var(--color-bg-light);
}

.related-item::after {
    content: '\2192';
    position: absolute;
    bottom: 22px;
    right: 20px;
    font-size: 18px;
    color: var(--color-accent);
    transition: transform 0.2s ease;
}

.related-item:hover::after {
    transform: translateX(4px);
}

.related-title {
    display: block;
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
    line-height: 1.35;
}

.related-desc {
    display: block;
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

@media (max-width: 640px) {
    .related-list {
        grid-template-columns: 1fr;
    }
}

/* ── CTA block ──────────────────────────────────────────────── */

.article-cta {
    max-width: 720px;
    margin: 80px auto 0;
    padding: 48px;
    background: var(--color-bg-lighter);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    text-align: center;
}

.article-cta h3 {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.article-cta p {
    margin-bottom: 32px;
}

/* ── Social share ───────────────────────────────────────────── */

.social-share {
    max-width: 720px;
    margin: 48px auto 0;
    padding: 32px 0;
    border-top: 1px solid var(--color-border);
}

.social-share-title {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.social-share-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.share-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--color-bg-lighter);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.share-button:hover {
    border-color: var(--color-accent);
    background: rgba(245, 197, 24, 0.05);
    transform: translateY(-2px);
}

.share-button svg {
    width: 18px;
    height: 18px;
}

/* ── Back to blog ───────────────────────────────────────────── */

.back-to-blog {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 32px;
    transition: color 0.2s ease;
}

.back-to-blog:hover {
    color: var(--color-accent);
}

/* ── Smooth scroll ──────────────────────────────────────────── */

html {
    scroll-behavior: smooth;
}

/* ── Responsive ─────────────────────────────────────────────── */

@media (max-width: 968px) {
    .article-wrapper {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .table-of-contents {
        position: static;
        order: -1;
    }
}

@media (max-width: 768px) {
    .article-header h1 {
        font-size: 36px;
    }

    .article-subtitle {
        font-size: 18px;
    }

    article h2 {
        font-size: 26px;
    }

    article h3 {
        font-size: 20px;
    }

    article p,
    article li {
        font-size: 16px;
    }

    .article-cta {
        padding: 32px 24px;
    }

    .social-share-buttons {
        flex-direction: column;
    }

    .share-button {
        width: 100%;
        justify-content: center;
    }
}