/* ── Reset & base ────────────────────────────────── */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        :root {
            --white: #ffffff;
            --bg: #f4f7fb;
            --border: #dde3ea;
            --text: #1a1f2e;
            --muted: #6b7280;
            --hover: #f0f4f9;
            --accent: #2563eb;
            --accent-bg: #eff6ff;
            --blue: #1d4ed8;
            --green: #16a34a;
            --green-bg: #f0fdf4;
            --shadow: 0 2px 12px rgba(0,0,0,.08);
            --shadow-lg: 0 8px 40px rgba(0,0,0,.14);
            --r: 10px;
            --max: 780px;
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Inter', system-ui, sans-serif;
            font-size: 16px; line-height: 1.7;
            color: var(--text);
            background: var(--white);
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--accent); text-decoration: none; }
        a:hover { text-decoration: underline; }
        img { max-width: 100%; height: auto; border-radius: var(--r); }

        /* ── Site header / nav ───────────────────────────── */
        .site-header {
            position: sticky; top: 0; z-index: 100;
            background: var(--white);
            border-bottom: 1.5px solid var(--border);
            box-shadow: var(--shadow);
        }
        .site-header-inner {
            max-width: 1100px; margin: 0 auto;
            padding: 0 24px;
            height: 58px;
            display: flex; align-items: center; justify-content: space-between;
            gap: 20px;
        }
        .site-logo {
            display: flex; align-items: center; gap: 10px;
            font-family: 'Cinzel', serif;
            font-size: 16px; font-weight: 700;
            color: var(--text); letter-spacing: .05em;
            text-decoration: none;
        }
        .site-logo img { width: 30px; height: 30px; border-radius: 6px; }
        .site-nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
        .site-nav a {
            padding: 6px 12px; border-radius: 7px;
            font-size: 13px; font-weight: 500;
            color: var(--muted); transition: all .14s;
        }
        .site-nav a:hover { background: var(--hover); color: var(--text); text-decoration: none; }
        .nav-cta {
            background: var(--accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
        }
        .nav-cta:hover { background: var(--blue) !important; }

        /* ── Breadcrumb ──────────────────────────────────── */
        .breadcrumb {
            background: var(--bg);
            border-bottom: 1px solid var(--border);
            padding: 10px 24px;
        }
        .breadcrumb-inner {
            max-width: var(--max); margin: 0 auto;
            display: flex; align-items: center; gap: 6px;
            font-size: 12.5px; color: var(--muted);
        }
        .breadcrumb-inner a { color: var(--muted); }
        .breadcrumb-inner a:hover { color: var(--accent); }
        .breadcrumb-sep { color: var(--border); }

        /* ── Article layout ──────────────────────────────── */
        .article-wrap {
            max-width: var(--max); margin: 0 auto;
            padding: 48px 24px 64px;
        }

        /* ── Article header ──────────────────────────────── */
        .article-meta {
            display: flex; align-items: center; flex-wrap: wrap;
            gap: 10px; margin-bottom: 18px;
        }
        .article-tag {
            font-size: 11px; font-weight: 700;
            letter-spacing: .08em; text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-bg);
            border: 1px solid #bfdbfe;
            border-radius: 5px; padding: 2px 9px;
        }
        .article-date {
            font-size: 12.5px; color: var(--muted);
        }
        .article-read {
            font-size: 12.5px; color: var(--muted);
        }
        .article-read::before { content: '·'; margin-right: 10px; }

        h1.article-title {
            font-size: clamp(26px, 4vw, 38px);
            font-weight: 700; line-height: 1.2;
            color: var(--text); margin-bottom: 16px;
            letter-spacing: -.01em;
        }
        .article-intro {
            font-size: 18px; color: var(--muted);
            line-height: 1.7; margin-bottom: 32px;
            padding-bottom: 32px;
            border-bottom: 1.5px solid var(--border);
        }

        /* ── Table of contents ───────────────────────────── */
        .toc {
            background: var(--bg);
            border: 1.5px solid var(--border);
            border-radius: var(--r);
            padding: 20px 24px;
            margin-bottom: 40px;
        }
        .toc-title {
            font-size: 12px; font-weight: 700;
            letter-spacing: .08em; text-transform: uppercase;
            color: var(--muted); margin-bottom: 12px;
        }
        .toc ol { padding-left: 18px; display: flex; flex-direction: column; gap: 6px; }
        .toc ol li { font-size: 14px; }
        .toc a { color: var(--accent); font-weight: 500; }
        .toc a:hover { text-decoration: underline; }

        /* ── Article body typography ─────────────────────── */
        .article-body h2 {
            font-size: 24px; font-weight: 700;
            color: var(--text); margin: 48px 0 14px;
            line-height: 1.3; letter-spacing: -.01em;
            padding-top: 8px;
            border-top: 2px solid var(--accent-bg);
        }
        .article-body h3 {
            font-size: 18px; font-weight: 600;
            color: var(--text); margin: 28px 0 10px;
            line-height: 1.35;
        }
        .article-body p {
            margin-bottom: 20px; color: #374151; line-height: 1.8;
        }
        .article-body ul, .article-body ol {
            padding-left: 24px; margin-bottom: 20px;
            display: flex; flex-direction: column; gap: 8px;
        }
        .article-body li { color: #374151; line-height: 1.7; }
        .article-body strong { color: var(--text); font-weight: 600; }
        .article-body em { font-style: italic; }
        .article-body code {
            background: var(--bg); border: 1px solid var(--border);
            border-radius: 4px; padding: 1px 6px;
            font-size: 13.5px; font-family: 'Courier New', monospace;
            color: var(--accent);
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-bg);
            padding: 16px 20px; border-radius: 0 8px 8px 0;
            margin: 24px 0; font-style: italic;
            color: var(--text);
        }

        /* ── Tip / info boxes ────────────────────────────── */
        .tip-box {
            background: var(--green-bg);
            border: 1.5px solid #86efac;
            border-radius: var(--r);
            padding: 16px 20px; margin: 24px 0;
            display: flex; gap: 12px; align-items: flex-start;
        }
        .tip-box-icon { font-size: 20px; flex-shrink: 0; line-height: 1.5; }
        .tip-box p { margin: 0; font-size: 14.5px; color: #166534; }
        .tip-box strong { color: #14532d; }

        /* ── Step cards ──────────────────────────────────── */
        .steps { display: flex; flex-direction: column; gap: 16px; margin: 24px 0; }
        .step-card {
            display: flex; gap: 16px; align-items: flex-start;
            background: var(--white);
            border: 1.5px solid var(--border);
            border-radius: var(--r);
            padding: 18px 20px;
            transition: border-color .15s;
        }
        .step-card:hover { border-color: var(--accent); }
        .step-num {
            width: 32px; height: 32px; flex-shrink: 0;
            background: var(--accent); color: #fff;
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            font-size: 13px; font-weight: 700;
        }
        .step-body h3 { margin: 0 0 6px; font-size: 15px; font-weight: 600; }
        .step-body p  { margin: 0; font-size: 14px; color: var(--muted); line-height: 1.65; }

        /* ── Feature grid ────────────────────────────────── */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 14px; margin: 24px 0;
        }
        .feature-card {
            background: var(--bg);
            border: 1.5px solid var(--border);
            border-radius: var(--r);
            padding: 18px 16px;
        }
        .feature-card-icon { font-size: 22px; margin-bottom: 8px; }
        .feature-card h3 { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
        .feature-card p  { font-size: 13px; color: var(--muted); line-height: 1.6; margin: 0; }

        /* ── CTA box ─────────────────────────────────────── */
        .cta-box {
            background: var(--text);
            border-radius: 14px;
            padding: 36px 32px;
            margin: 48px 0;
            text-align: center;
        }
        .cta-box h2 { color: #fff; font-size: 22px; margin-bottom: 10px; border: none; margin-top: 0; padding-top: 0; }
        .cta-box p  { color: rgba(255,255,255,.65); margin-bottom: 20px; font-size: 15px; }
        .cta-btn {
            display: inline-flex; align-items: center; gap: 8px;
            background: var(--accent); color: #fff;
            padding: 13px 28px; border-radius: 10px;
            font-size: 15px; font-weight: 600;
            text-decoration: none; transition: background .14s;
        }
        .cta-btn:hover { background: var(--blue); text-decoration: none; }

        /* ── Author card ─────────────────────────────────── */
        .author-card {
            display: flex; gap: 16px; align-items: center;
            background: var(--bg);
            border: 1.5px solid var(--border);
            border-radius: var(--r);
            padding: 20px; margin: 48px 0 32px;
        }
        .author-avatar {
            width: 52px; height: 52px; border-radius: 50%;
            background: var(--accent); display: flex;
            align-items: center; justify-content: center;
            font-size: 22px; flex-shrink: 0;
        }
        .author-info p { font-size: 13px; color: var(--muted); margin: 0; }
        .author-info strong { font-size: 15px; display: block; margin-bottom: 2px; }

        /* ── Share bar ───────────────────────────────────── */
        .share-bar {
            display: flex; align-items: center; gap: 10px;
            flex-wrap: wrap; margin: 32px 0;
            padding: 18px 20px;
            background: var(--bg);
            border: 1.5px solid var(--border);
            border-radius: var(--r);
        }
        .share-label {
            font-size: 13px; font-weight: 600; color: var(--muted);
            margin-right: 4px;
        }
        .share-btn {
            display: inline-flex; align-items: center; gap: 6px;
            padding: 7px 14px; border-radius: 7px;
            font-size: 13px; font-weight: 500;
            text-decoration: none; transition: opacity .14s;
        }
        .share-btn:hover { opacity: .85; text-decoration: none; }
        .share-twitter  { background: #000; color: #fff; }
        .share-facebook { background: #1877f2; color: #fff; }
        .share-pinterest{ background: #e60023; color: #fff; }
        .share-copy     { background: var(--hover); color: var(--text); border: 1.5px solid var(--border); cursor: pointer; font-family: inherit; }

        /* ── Related blogs ───────────────────────────────── */
        .related-section { margin: 64px 0 0; }
        .related-section h2 {
            font-size: 22px; font-weight: 700;
            color: var(--text); margin-bottom: 20px;
            border-top: 2px solid var(--accent-bg);
            padding-top: 48px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 18px;
        }
        .related-card {
            background: var(--white);
            border: 1.5px solid var(--border);
            border-radius: var(--r);
            padding: 20px 18px;
            display: flex; flex-direction: column; gap: 8px;
            transition: border-color .15s, box-shadow .15s;
            text-decoration: none;
        }
        .related-card:hover {
            border-color: var(--accent);
            box-shadow: 0 4px 20px rgba(37,99,235,.09);
            text-decoration: none;
        }
        .related-tag {
            font-size: 10.5px; font-weight: 700;
            letter-spacing: .07em; text-transform: uppercase;
            color: var(--accent);
        }
        .related-card h3 {
            font-size: 15px; font-weight: 600;
            color: var(--text); line-height: 1.35;
            margin: 0;
        }
        .related-card p  {
            font-size: 13px; color: var(--muted);
            line-height: 1.6; margin: 0; flex: 1;
        }
        .related-read {
            font-size: 12.5px; font-weight: 600;
            color: var(--accent);
            display: inline-flex; align-items: center; gap: 4px;
        }
        .coming-badge {
            font-size: 10px; font-weight: 700;
            background: var(--border); color: var(--muted);
            border-radius: 4px; padding: 1px 7px;
            letter-spacing: .04em; text-transform: uppercase;
        }

        /* ── Site footer ─────────────────────────────────── */
        .blog-footer {
            background: var(--text);
            padding: 40px 24px 28px;
            margin-top: 64px;
        }
        .blog-footer-inner {
            max-width: 1100px; margin: 0 auto;
            display: flex; justify-content: space-between;
            align-items: flex-start; gap: 32px; flex-wrap: wrap;
        }
        .bf-brand {
            font-family: 'Cinzel', serif; font-size: 15px;
            font-weight: 700; color: #fff;
            letter-spacing: .06em; margin-bottom: 6px;
        }
        .bf-tagline { font-size: 13px; color: rgba(255,255,255,.45); max-width: 300px; }
        .bf-links { display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
        @media (max-width: 600px) { .bf-links { align-items: flex-start; } }
        .bf-links a { font-size: 13px; color: rgba(255,255,255,.55); text-decoration: none; transition: color .14s; }
        .bf-links a:hover { color: #fff; }
        .bf-divider { max-width: 1100px; margin: 22px auto 0; border: none; border-top: 1px solid rgba(255,255,255,.1); }
        .bf-copy { max-width: 1100px; margin: 14px auto 0; font-size: 11.5px; color: rgba(255,255,255,.3); text-align: center; }

        /* ── Responsive ──────────────────────────────────── */
        @media (max-width: 640px) {
            .article-wrap { padding: 28px 16px 48px; }
            .site-header-inner { padding: 0 16px; }
            .breadcrumb { padding: 10px 16px; }
            .cta-box { padding: 28px 20px; }
            .author-card { flex-direction: column; text-align: center; }
            .bf-links { align-items: flex-start; }
            .site-nav a:not(.nav-cta) { display: none; }
        }

        /* ── Print styles ────────────────────────────────── */
        @media print {
            .site-header, .share-bar, .cta-box, .blog-footer { display: none; }
        }