:root[data-theme="light"] {
            --bg: #f8f5f0;
            --surface: #ffffff;
            --surface-hover: #f0ece5;
            --text-main: #4a4540;
            --text-muted: #8a7f74;
            --accent: #a07840;
            --accent-light: #b08850;
            --border: #e0d8ce;
            --heading: #1a1510;
        }

        :root[data-theme="light"] {
            --bg: #F0EDE8;
            --surface: #FFFFFF;
            --surface-hover: #E8E4DE;
            --border: #D0CAC0;
            --border-hover: #C0B8AE;
            --text-primary: #1A1510;
            --text-body: #4A443C;
            --text-card: #6A635B;
            --text-muted: #8A7F74;
            --heading: #1A1510;
            --accent: #D4A853;
            --accent-hover: #E2BC6A;
            --accent-soft: rgba(212,168,83,0.10);
            --accent-glow: rgba(212,168,83,0.25);
            --text-main: var(--text-body);
            --accent-light: var(--accent-hover);
        }

        :root {
            --bg: #111110;
            --surface: #1A1918;
            --surface-hover: #242220;
            --border: #2A2826;
            --border-hover: #3A3735;
            --text-primary: #F0EDE8;
            --text-body: #9B968E;
            --text-card: #807A72;
            --text-muted: #5C5750;
            --heading: #F0EDE8;
            --accent: #D4A853;
            --accent-hover: #E2BC6A;
            --accent-soft: rgba(212,168,83,0.10);
            --accent-glow: rgba(212,168,83,0.25);
            --text-main: var(--text-body);
            --accent-light: var(--accent-hover);
        }

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

        body {
            background-color: var(--bg);
            color: var(--text-main);
            font-family: 'Inter', sans-serif;
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

        a { color: var(--accent); text-decoration: none; transition: 0.2s; }
        a:hover { text-decoration: underline; }

        .container {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* --- Nav --- */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(17, 17, 16, 0.92);
            backdrop-filter: blur(12px);
            z-index: 1000;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
        }
        :root[data-theme="light"] nav {
            background: rgba(240, 237, 232, 0.92);
        }
        .nav-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo { font-weight: 400; font-size: 1.1rem; color: var(--accent); font-family: 'Playfair Display', serif; letter-spacing: 0.03em; }
        .logo a { color: var(--accent); text-decoration: none; }
        .nav-links { display: flex; gap: 1.5rem; list-style: none; }
        .nav-links a { color: var(--text-muted); font-size: 0.9rem; font-weight: 500; text-decoration: none; }
        .nav-links a:hover { color: var(--accent); }
        .nav-links a.active { color: var(--accent); }

        /* --- Author Hero --- */
        .author-hero {
            padding-top: 100px;
            padding-bottom: 40px;
            display: flex;
            align-items: center;
            gap: 20px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 40px;
        }
        .author-hero img {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            object-fit: cover;
            box-shadow: 0 4px 16px rgba(0,0,0,0.1);
            flex-shrink: 0;
        }
        .author-hero-info { display: flex; flex-direction: column; gap: 2px; }
        .author-hero-name { font-weight: 700; font-size: 1.05rem; color: var(--heading); }
        .author-hero-role { font-size: 0.88rem; color: var(--text-muted); }
        .author-hero-link { font-size: 0.88rem; color: var(--accent); }

        /* --- Back link --- */
        .back {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-muted);
            font-size: 0.88rem;
            margin-bottom: 24px;
            text-decoration: none;
            transition: color 0.2s;
        }
        .back:hover { color: var(--accent); text-decoration: none; }

        /* --- Bit meta --- */
        .bit-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .bit-tag {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-muted);
            background: var(--surface);
            padding: 3px 10px;
            border-radius: 100px;
            border: 1px solid var(--border);
        }
        .bit-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-family: 'JetBrains Mono', monospace;
        }

        /* --- Article --- */
        h1 {
            font-size: 2rem;
            font-weight: 400;
            font-family: 'Playfair Display', serif;
            color: var(--heading);
            line-height: 1.3;
            margin-bottom: 28px;
        }
        .bit-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-main);
        }
        .bit-body h2 {
            font-size: 1.75rem;
            font-weight: 600;
            font-family: 'Playfair Display', serif;
            color: var(--heading);
            margin-top: 48px;
            margin-bottom: 20px;
            line-height: 1.3;
        }
        .bit-body h2:first-child {
            margin-top: 0;
        }
        .bit-body h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--heading);
            margin-top: 36px;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .bit-body p {
            margin-bottom: 20px;
        }
        .bit-body ul, .bit-body ol {
            margin: 20px 0;
            padding-left: 24px;
        }
        .bit-body li {
            margin-bottom: 12px;
            line-height: 1.7;
        }
        .bit-body strong {
            color: var(--heading);
            font-weight: 600;
        }
        .bit-body a {
            color: var(--accent);
            text-decoration: none;
            border-bottom: 1px solid var(--accent);
            transition: all 0.2s;
        }
        .bit-body a:hover {
            color: var(--accent-light);
            border-bottom-color: var(--accent-light);
        }

        /* --- Divider --- */
        .divider { border: none; border-top: 1px solid var(--border); margin: 48px 0; }

        /* --- Author Footer Card --- */
        .author-footer {
            display: flex;
            gap: 20px;
            align-items: center;
            background: var(--surface);
            padding: 28px;
            border-radius: 10px;
            border: 1px solid var(--border);
            margin-bottom: 48px;
        }
        .author-footer img {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            object-fit: cover;
            flex-shrink: 0;
            box-shadow: 0 4px 16px rgba(0,0,0,0.1);
        }
        .author-footer-info { display: flex; flex-direction: column; gap: 6px; }
        .author-footer-name { font-weight: 700; font-size: 1rem; color: var(--heading); }
        .author-footer-bio { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }
        .author-footer-links { display: flex; gap: 12px; font-size: 0.88rem; margin-top: 4px; }
        .author-footer-links a { color: var(--accent); text-decoration: none; }
        .author-footer-links a:hover { text-decoration: underline; }

        /* --- Continue Reading --- */
        .continue-reading { margin: 48px 0 0; }
        .continue-reading h3 {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: 20px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .related-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 20px;
            text-decoration: none;
            display: block;
            transition: border-color 0.2s, background 0.2s;
        }
        .related-card:hover { border-color: var(--accent); background: var(--surface-hover); text-decoration: none; }
        .rc-tag { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); margin-bottom: 8px; }
        .rc-title { font-size: 0.9rem; font-weight: 600; color: var(--heading); line-height: 1.4; margin-bottom: 8px; }
        .rc-excerpt { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }
        @media (max-width: 640px) { .related-grid { grid-template-columns: 1fr; } }

        /* --- More bits link --- */
        .more-bits {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.95rem;
            text-decoration: none;
            margin-bottom: 60px;
        }
        .more-bits:hover { text-decoration: underline; }

        /* --- Theme Toggle --- */
        .theme-toggle {
            background: none;
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 6px 12px;
            color: var(--text-muted);
            font-size: 0.85rem;
            cursor: pointer;
            transition: all 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 8px;
        }
        
        .theme-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* --- Newsletter Sign-up --- */
        .newsletter-signup {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            padding: 24px 20px;
            border-top: 1px solid var(--border);
            margin-top: 60px;
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .newsletter-signup .label {
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .newsletter-signup form {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .newsletter-signup input[type="email"] {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 8px 12px;
            color: var(--text-main);
            font-size: 0.85rem;
            width: 220px;
            transition: all 0.2s;
        }
        .newsletter-signup input[type="email"]:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200, 169, 110, 0.1);
        }
        .newsletter-signup input[type="email"]::placeholder {
            color: var(--text-muted);
        }
        .newsletter-signup button {
            background: var(--accent);
            color: #0e1118;
            border: none;
            border-radius: 6px;
            padding: 9px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
        }
        .newsletter-signup button:hover {
            background: #d4b57a;
            transform: translateY(-1px);
        }
        .newsletter-signup button:active {
            transform: translateY(0);
        }
        .newsletter-signup .success-message {
            color: var(--accent);
            font-size: 0.85rem;
            display: none;
        }
        .newsletter-signup.submitted .success-message {
            display: block;
        }
        .newsletter-signup.submitted form {
            display: none;
        }

        /* --- Footer --- */
        footer {
            border-top: 1px solid var(--border);
            padding: 32px 0;
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
            font-family: 'JetBrains Mono', monospace;
        }

        @media (max-width: 768px) {
            .theme-btn { display: none !important; }
            .author-hero { display: none !important; }
            h1 { font-size: 1.6rem; margin-top: 70px; margin-bottom: 16px; }
            .author-footer { 
                padding: 20px !important;
                margin-bottom: 20px !important;
            }
            .newsletter-signup {
                margin-top: 32px !important;
                padding: 20px 16px !important;
            }
            .author-footer img {
                width: 56px !important;
                height: 56px !important;
            }
            .author-footer-info {
                flex: 1;
            }
            .author-footer-bio {
                font-size: 0.82rem !important;
                line-height: 1.5 !important;
                margin-top: 4px;
            }
            .author-footer-links {
                flex-wrap: wrap !important;
                gap: 8px !important;
                margin-top: 12px !important;
            }
            .author-footer-links a {
                padding: 8px 14px !important;
                background: var(--bg) !important;
                border: 1px solid var(--border) !important;
                border-radius: 6px !important;
                font-size: 0.82rem !important;
                font-weight: 500 !important;
                white-space: nowrap;
            }
            .author-footer-links a:hover {
                background: var(--surface-hover) !important;
                border-color: var(--accent) !important;
                text-decoration: none !important;
            }
        }
        @media (max-width: 640px) {
            .newsletter-signup {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
            }
            .newsletter-signup .label {
                justify-content: center;
            }
            .newsletter-signup form {
                flex-direction: column;
                gap: 10px;
            }
            .newsletter-signup input[type="email"] {
                width: 100%;
            }
            .newsletter-signup button {
                width: 100%;
            }
        }
    

/* === Service Page Visual Components === */

/* Stat cards row */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
    margin: 40px 0;
}
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 24px;
    text-align: center;
}
.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    display: block;
    margin-bottom: 6px;
}
.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Feature grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 32px 0;
}
.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 28px;
    transition: border-color 0.2s;
}
.feature-card:hover {
    border-color: var(--accent);
}
.feature-icon {
    font-size: 1.5rem;
    margin-bottom: 12px;
    display: block;
}
.feature-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--heading);
    margin-bottom: 8px;
}
.feature-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Callout box */
.callout {
    background: var(--surface);
    border-left: 3px solid var(--accent);
    border-radius: 0 10px 10px 0;
    padding: 24px 28px;
    margin: 32px 0;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-body, var(--text-main));
}
.callout strong {
    color: var(--heading);
}

/* Process steps */
.process-steps {
    margin: 32px 0;
    counter-reset: step;
}
.process-step {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
    align-items: flex-start;
}
.step-number {
    min-width: 48px;
    height: 48px;
    background: var(--accent);
    color: #1a1510;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    font-family: 'JetBrains Mono', monospace;
    flex-shrink: 0;
}
.step-content h3 {
    margin-top: 0;
    margin-bottom: 8px;
}

/* FAQ section */
.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
}
.faq-item h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--heading);
    margin-bottom: 8px;
}
.faq-item p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

/* Section divider */
.section-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 60px 0;
}

/* CTA section */
.cta-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 48px 32px;
    text-align: center;
    margin: 60px 0;
}
.cta-section h2 {
    margin-top: 0;
    margin-bottom: 16px;
}
.cta-section p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* Mobile responsiveness for service components */
@media (max-width: 640px) {
    .stats-row { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .stat-card { padding: 16px; }
    .stat-number { font-size: 1.5rem; }
    .features-grid { grid-template-columns: 1fr; }
    .process-step { flex-direction: column; gap: 12px; }
    .step-number { min-width: 40px; height: 40px; font-size: 1rem; }
    .cta-section { padding: 32px 20px; }
}