
        :root {
            --navy: #0a1628;
            --navy-light: #111d32;
            --navy-lighter: #1a2744;
            --gold: #c9a84c;
            --gold-light: #d4b76a;
            --gold-dark: #a88a3a;
            --cream: #f5f0e8;
            --cream-dark: #e8e0d0;
            --white: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5a;
            --text-muted: #7a7a8a;
            --border: rgba(201, 168, 76, 0.15);
            --shadow: 0 4px 24px rgba(10, 22, 40, 0.08);
            --shadow-lg: 0 12px 48px rgba(10, 22, 40, 0.12);

            /* Group colors */
            --gold-group: #c9a84c;
            --heritage-red: #8b3a3a;
            --green-group: #3a6b3a;
            --sky-blue: #3a6b8b;
            --brown-group: #6b4a3a;
            --purple-group: #5a3a6b;
            --forest-green: #2a5a3a;
            --alert-red: #8b2a2a;
        }

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

        body {
            font-family: 'Inter', sans-serif;
            background: var(--cream);
            color: var(--text-primary);
            line-height: 1.7;
        }

        /* ===== HEADER / NAV ===== */
        header {
            background: var(--navy);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border);
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            position: relative;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
        }

        .logo img {
            height: 44px;
            width: auto;
        }

        .logo-text {
            font-family: 'Playfair Display', serif;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.5px;
        }

        .logo-text span {
            color: var(--cream);
            font-weight: 400;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            align-items: center;
        }

        nav a {
            color: var(--cream);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            transition: all 0.3s ease;
            opacity: 0.85;
        }

        nav a:hover, nav a.active {
            opacity: 1;
            color: var(--gold);
            background: rgba(201, 168, 76, 0.1);
        }

        nav a.active {
            font-weight: 600;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--gold);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* ===== HERO SECTION ===== */
        .hero {
            background: var(--navy);
            padding: 5rem 2rem 4rem;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background:
                radial-gradient(ellipse at 20% 50%, rgba(201, 168, 76, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(201, 168, 76, 0.05) 0%, transparent 40%);
            pointer-events: none;
        }

        .hero-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 4rem;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(201, 168, 76, 0.15);
            border: 1px solid rgba(201, 168, 76, 0.3);
            color: var(--gold);
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            padding: 0.4rem 1rem;
            border-radius: 50px;
            margin-bottom: 1.5rem;
        }

        .hero h1 {
            font-family: 'Playfair Display', serif;
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--white);
            line-height: 1.15;
            margin-bottom: 1.25rem;
        }

        .hero h1 .gold-text {
            color: var(--gold);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(245, 240, 232, 0.75);
            line-height: 1.7;
            margin-bottom: 1.5rem;
            max-width: 540px;
        }

        .hero-author {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            color: rgba(245, 240, 232, 0.6);
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }

        .hero-author .author-dot {
            width: 6px; height: 6px;
            background: var(--gold);
            border-radius: 50%;
        }

        .hero-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--gold);
            color: var(--navy);
            font-size: 0.95rem;
            font-weight: 700;
            padding: 1rem 2rem;
            border-radius: 8px;
            text-decoration: none;
            transition: all 0.3s ease;
            border: 2px solid var(--gold);
        }

        .hero-cta:hover {
            background: transparent;
            color: var(--gold);
            transform: translateY(-2px);
        }

        /* Book Cover Placeholder */
        .book-showcase {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .book-cover-wrapper {
            position: relative;
            width: 320px;
        }

        .book-cover-img {
            width: 100%;
            aspect-ratio: 3/4;
            border-radius: 8px 12px 12px 8px;
            object-fit: cover;
            box-shadow:
                0 20px 60px rgba(0,0,0,0.4),
                0 0 0 1px rgba(201, 168, 76, 0.2);
            transition: transform 0.4s ease;
        }

        .book-cover-img:hover {
            transform: translateY(-8px) rotateY(-5deg);
        }

        .book-cover-placeholder {
            width: 100%;
            aspect-ratio: 3/4;
            background: var(--navy-lighter);
            border: 2px dashed rgba(201, 168, 76, 0.3);
            border-radius: 8px 12px 12px 8px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            color: var(--gold);
            text-align: center;
            padding: 2rem;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
        }

        .book-cover-placeholder svg {
            width: 64px; height: 64px;
            opacity: 0.5;
        }

        .book-cover-placeholder p {
            font-size: 0.85rem;
            color: rgba(201, 168, 76, 0.7);
            line-height: 1.5;
        }

        .book-cover-placeholder .placeholder-filename {
            font-family: 'Courier New', monospace;
            font-size: 0.75rem;
            background: rgba(201, 168, 76, 0.1);
            padding: 0.25rem 0.75rem;
            border-radius: 4px;
            color: var(--gold);
        }

        .edition-badge {
            position: absolute;
            top: -12px;
            right: -12px;
            background: var(--gold);
            color: var(--navy);
            font-size: 0.7rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
            padding: 0.4rem 0.8rem;
            border-radius: 6px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.3);
        }

        /* ===== STATS BAR ===== */
        .stats-bar {
            background: var(--navy-light);
            border-bottom: 1px solid var(--border);
            padding: 1.5rem 2rem;
        }

        .stats-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: center;
            gap: 3rem;
            flex-wrap: wrap;
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-family: 'Playfair Display', serif;
            font-size: 2rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
        }

        .stat-label {
            font-size: 0.8rem;
            color: rgba(245, 240, 232, 0.6);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-top: 0.3rem;
        }

        /* ===== SEARCH SECTION ===== */
        .search-section {
            padding: 3rem 2rem;
            background: var(--cream);
        }

        .search-container {
            max-width: 700px;
            margin: 0 auto;
        }

        .search-box {
            position: relative;
        }

        .search-box input {
            width: 100%;
            padding: 1.1rem 1.5rem 1.1rem 3.5rem;
            border: 2px solid var(--border);
            border-radius: 12px;
            background: var(--white);
            font-size: 1rem;
            font-family: 'Inter', sans-serif;
            color: var(--text-primary);
            transition: all 0.3s ease;
        }

        .search-box input:focus {
            outline: none;
            border-color: var(--gold);
            box-shadow: 0 0 0 4px rgba(201, 168, 76, 0.1);
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .search-box svg {
            position: absolute;
            left: 1.2rem;
            top: 50%;
            transform: translateY(-50%);
            width: 20px; height: 20px;
            color: var(--text-muted);
        }

        .search-hints {
            display: flex;
            gap: 0.5rem;
            margin-top: 0.75rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .search-hints span {
            font-size: 0.75rem;
            color: var(--text-muted);
            background: var(--white);
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            border: 1px solid var(--border);
        }

        /* ===== MAIN CONTENT ===== */
        .main-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 2rem 4rem;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-header h2 {
            font-family: 'Playfair Display', serif;
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 0.75rem;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* ===== GROUP SECTIONS ===== */
        .group-section {
            margin-bottom: 3rem;
        }

        .group-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid;
        }

        .group-color-bar {
            width: 6px;
            height: 32px;
            border-radius: 3px;
        }

        .group-title {
            font-family: 'Playfair Display', serif;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--navy);
        }

        .group-subtitle {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-left: auto;
            font-weight: 500;
        }

        .parts-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.25rem;
        }

        /* ===== PART CARD ===== */
        .part-card {
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all 0.35s ease;
            cursor: pointer;
            text-decoration: none;
            display: block;
        }

        .part-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(201, 168, 76, 0.3);
        }

        .part-card-image {
            width: 100%;
            aspect-ratio: 16/10;
            background: var(--navy-lighter);
            position: relative;
            overflow: hidden;
        }

        .part-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .part-card:hover .part-card-image img {
            transform: scale(1.05);
        }

        .part-card-image-placeholder {
            width: 100%;
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            color: rgba(201, 168, 76, 0.5);
            background: var(--navy);
        }

        .part-card-image-placeholder svg {
            width: 32px; height: 32px;
            opacity: 0.4;
        }

        .part-card-image-placeholder span {
            font-size: 0.7rem;
            font-family: 'Courier New', monospace;
        }

        .part-card-body {
            padding: 1.25rem;
        }

        .part-number {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
            margin-bottom: 0.6rem;
        }

        .part-card h3 {
            font-family: 'Playfair Display', serif;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 0.4rem;
            line-height: 1.3;
        }

        .part-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0.75rem;
        }

        .part-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .question-count {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .view-link {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--gold-dark);
            display: flex;
            align-items: center;
            gap: 0.3rem;
            transition: gap 0.3s ease;
        }

        .part-card:hover .view-link {
            gap: 0.5rem;
            color: var(--gold);
        }

        /* ===== QUICK REFERENCE ===== */
        .quick-ref {
            background: var(--navy);
            padding: 4rem 2rem;
            margin-top: 2rem;
        }

        .quick-ref-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .quick-ref h2 {
            font-family: 'Playfair Display', serif;
            font-size: 2rem;
            color: var(--white);
            text-align: center;
            margin-bottom: 0.75rem;
        }

        .quick-ref > .quick-ref-container > p {
            text-align: center;
            color: rgba(245, 240, 232, 0.6);
            margin-bottom: 2.5rem;
        }

        .quick-ref-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 1rem;
        }

        .quick-ref-item {
            background: var(--navy-lighter);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 1.25rem;
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            transition: all 0.3s ease;
            text-decoration: none;
        }

        .quick-ref-item:hover {
            border-color: var(--gold);
            transform: translateY(-2px);
        }

        .quick-ref-icon {
            width: 40px; height: 40px;
            background: rgba(201, 168, 76, 0.15);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--gold);
        }

        .quick-ref-text h4 {
            color: var(--cream);
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 0.2rem;
        }

        .quick-ref-text p {
            color: rgba(245, 240, 232, 0.5);
            font-size: 0.8rem;
        }

        /* ===== AUTHOR SECTION ===== */
        .author-section {
            padding: 4rem 2rem;
            background: var(--cream);
        }

        .author-container {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .author-quote {
            font-family: 'Playfair Display', serif;
            font-size: 1.5rem;
            font-style: italic;
            color: var(--navy);
            line-height: 1.6;
            margin-bottom: 1.5rem;
            position: relative;
        }

        .author-quote::before {
            content: '"';
            font-size: 4rem;
            color: var(--gold);
            opacity: 0.3;
            position: absolute;
            top: -1.5rem;
            left: -1rem;
            font-family: 'Playfair Display', serif;
        }

        .author-name {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .author-title {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== FOOTER ===== */
        footer {
            background: var(--navy);
            padding: 3rem 2rem 1.5rem;
            border-top: 1px solid var(--border);
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 2rem;
        }

        .footer-brand p {
            color: rgba(245, 240, 232, 0.6);
            font-size: 0.9rem;
            margin-top: 1rem;
            line-height: 1.7;
        }

        .footer-col h4 {
            color: var(--gold);
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 1rem;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col li {
            margin-bottom: 0.5rem;
        }

        .footer-col a {
            color: rgba(245, 240, 232, 0.6);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s ease;
        }

        .footer-col a:hover {
            color: var(--gold);
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-bottom p {
            color: rgba(245, 240, 232, 0.4);
            font-size: 0.8rem;
        }

        .footer-social {
            display: flex;
            gap: 1rem;
        }

        .footer-social a {
            color: rgba(245, 240, 232, 0.5);
            transition: color 0.3s ease;
        }

        .footer-social a:hover {
            color: var(--gold);
        }

        /* ===== WHATSAPP FLOAT ===== */
        .whatsapp-float {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 56px;
            height: 56px;
            background: #25D366;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
            z-index: 999;
            transition: transform 0.3s ease;
            text-decoration: none;
        }

        .whatsapp-float:hover {
            transform: scale(1.1);
        }

        .whatsapp-float svg {
            width: 28px; height: 28px;
            fill: white;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-container {
                grid-template-columns: 1fr;
                text-align: center;
                gap: 3rem;
            }

            .hero h1 { font-size: 2.5rem; }
            .hero-subtitle { margin: 0 auto 1.5rem; }
            .hero-author { justify-content: center; }

            .book-showcase { order: -1; }
            .book-cover-wrapper { width: 260px; margin: 0 auto; }

            .footer-container { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .nav-container { padding: 0 1rem; }
            nav { display: none; }
            nav.mobile-active {
                display: block;
                width: 100%;
                position: absolute;
                top: 100%;
                left: 0;
                background: var(--navy);
                border-top: 1px solid rgba(201, 168, 76, 0.2);
                box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            }
            nav.mobile-active ul {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 0.5rem 0;
            }
            nav.mobile-active ul li { width: 100%; }
            nav.mobile-active ul a { display: block; width: 100%; text-align: center; padding: 0.85rem 1rem; }
            .mobile-menu-btn { display: block; }

            .hero { padding: 3rem 1.5rem 2.5rem; }
            .hero h1 { font-size: 2rem; }
            .hero-subtitle { font-size: 1rem; }

            .stats-container { gap: 1.5rem; }
            .stat-number { font-size: 1.5rem; }

            .parts-grid { grid-template-columns: 1fr; }
            .quick-ref-grid { grid-template-columns: 1fr; }

            .footer-container { grid-template-columns: 1fr; gap: 2rem; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== NO RESULTS ===== */
        .no-results {
            text-align: center;
            padding: 3rem;
            color: var(--text-muted);
            display: none;
        }

        .no-results.show { display: block; }

        /* ===== DROPDOWN NAVIGATION ===== */
        .nav-dropdown {
            position: relative;
            display: inline-block;
        }

        .nav-dropdown-toggle {
            display: flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
        }

        .dropdown-arrow {
            font-size: 0.65rem;
            transition: transform 0.3s ease;
            opacity: 0.8;
        }

        .nav-dropdown:hover .dropdown-arrow {
            transform: rotate(180deg);
        }

        .nav-dropdown-menu {
            position: absolute;
            top: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%) translateY(-10px);
            min-width: 220px;
            background: var(--navy);
            border: 1px solid rgba(201, 168, 76, 0.25);
            border-radius: 8px;
            padding: 8px 0;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1000;
            box-shadow: 0 10px 40px rgba(0,0,0,0.4);
        }

        .nav-dropdown-menu::before {
            content: '';
            position: absolute;
            top: -6px;
            left: 50%;
            transform: translateX(-50%) rotate(45deg);
            width: 12px;
            height: 12px;
            background: var(--navy);
            border-top: 1px solid rgba(201, 168, 76, 0.25);
            border-left: 1px solid rgba(201, 168, 76, 0.25);
        }

        .nav-dropdown:hover .nav-dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .nav-dropdown-menu a {
            display: block;
            padding: 10px 20px;
            color: var(--cream);
            font-size: 0.9rem;
            font-weight: 400;
            transition: all 0.2s ease;
            white-space: nowrap;
            border-radius: 0;
            background: transparent;
        }

        .nav-dropdown-menu a:hover {
            background: rgba(201, 168, 76, 0.12);
            color: var(--gold);
            padding-left: 24px;
        }

        /* Mobile Dropdown */
        @media (max-width: 768px) {
            .nav-dropdown {
                display: block;
                width: 100%;
            }

            .nav-dropdown-toggle {
                justify-content: center;
                padding: 12px;
                width: 100%;
            }

            .nav-dropdown-menu {
                position: static !important;
                left: auto !important;
                right: auto !important;
                top: auto !important;
                opacity: 1;
                visibility: visible;
                transform: none !important;
                display: none;
                background: rgba(0,0,0,0.15);
                border: none;
                box-shadow: none;
                margin: 0;
                min-width: 0;
                max-width: 100%;
                width: 100%;
                box-sizing: border-box;
                border-radius: 0;
                overflow-x: hidden;
            }

            .nav-dropdown-menu::before {
                display: none;
            }

            .nav-dropdown.active .nav-dropdown-menu {
                display: block;
            }

            .nav-dropdown-menu a {
                text-align: center;
                padding: 10px;
                font-size: 0.85rem;
            }

            .nav-dropdown-menu a:hover {
                background: rgba(201, 168, 76, 0.1);
                padding-left: 10px;
            }
        }
    
/* ===== BREADCRUMB ===== */
.breadcrumb {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem 0;
    font-size: 0.82rem;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: center;
}
.breadcrumb a { color: var(--gold-dark); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb .current { color: var(--text-secondary); }

/* ===== PART HERO ===== */
.part-hero {
    background: var(--navy);
    padding: 3rem 2rem 3rem;
    position: relative;
    overflow: hidden;
}
.part-hero::before {
    content: '';
    position: absolute; top:0; left:0; right:0; bottom:0;
    background: radial-gradient(ellipse at 20% 30%, rgba(201,168,76,0.08) 0%, transparent 50%);
    pointer-events: none;
}
.part-hero-container {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}
.part-hero .part-number-badge {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 0.35rem 0.9rem;
    border-radius: 50px;
    margin-bottom: 1rem;
}
.part-hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: 2.3rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.25;
    margin-bottom: 1rem;
}
.part-hero .part-desc {
    font-size: 1.05rem;
    color: rgba(245, 240, 232, 0.75);
    line-height: 1.7;
    max-width: 720px;
}
.part-hero .part-group-tag {
    margin-top: 1.25rem;
    font-size: 0.8rem;
    color: rgba(245,240,232,0.55);
}

/* ===== QUESTION CARD LIST (part page) ===== */
.qlist-main {
    max-width: 900px;
    margin: 0 auto;
    padding: 2.5rem 2rem 4rem;
}
.qlist {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}
.q-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.1rem 1.4rem;
    text-decoration: none;
    transition: all 0.3s ease;
}
.q-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(201, 168, 76, 0.35);
}
.q-card .q-index {
    flex-shrink: 0;
    width: 38px; height: 38px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 0.95rem;
    background: rgba(201, 168, 76, 0.12);
    color: var(--gold-dark);
}
.q-card .q-text {
    flex: 1;
    font-size: 1rem;
    color: var(--navy);
    font-weight: 600;
    line-height: 1.45;
}
.q-card .q-arrow {
    flex-shrink: 0;
    color: var(--gold-dark);
    opacity: 0.6;
    transition: all 0.3s ease;
}
.q-card:hover .q-arrow { opacity: 1; transform: translateX(3px); }

/* ===== QA PAGE ===== */
.qa-main {
    max-width: 780px;
    margin: 0 auto;
    padding: 2rem 2rem 4rem;
}
.qa-question {
    font-family: 'Playfair Display', serif;
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--navy);
    line-height: 1.3;
    margin: 0.5rem 0 1.75rem;
}
.qa-simple-truth {
    background: var(--navy);
    border-radius: 14px;
    padding: 1.5rem 1.75rem;
    margin-bottom: 2rem;
    position: relative;
}
.qa-simple-truth .st-label {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gold);
    margin-bottom: 0.5rem;
}
.qa-simple-truth .st-text {
    color: var(--cream);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.6;
}
.qa-body {
    font-size: 1.02rem;
    color: var(--text-secondary);
    line-height: 1.85;
}
.qa-body h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--navy);
    margin: 2rem 0 0.85rem;
}
.qa-body p { margin-bottom: 1.1rem; }
.qa-body strong { color: var(--text-primary); }
.qa-body blockquote {
    border-left: 3px solid var(--gold);
    background: var(--cream-dark);
    padding: 1rem 1.4rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--text-primary);
    border-radius: 0 8px 8px 0;
}
.qa-body table.qa-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.92rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}
.qa-body table.qa-table td {
    padding: 0.85rem 1rem;
    border: 1px solid var(--border);
    vertical-align: top;
}
.qa-body table.qa-table tr:first-child td { background: rgba(201,168,76,0.08); }
.qa-body ul, .qa-body ol { margin: 0 0 1.1rem 1.4rem; }
.qa-body li { margin-bottom: 0.5rem; }

.qa-key-takeaway {
    background: linear-gradient(135deg, rgba(201,168,76,0.12), rgba(201,168,76,0.04));
    border: 1.5px solid rgba(201,168,76,0.35);
    border-radius: 14px;
    padding: 1.5rem 1.75rem;
    margin: 2.5rem 0;
}
.qa-key-takeaway .kt-label {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gold-dark);
    margin-bottom: 0.5rem;
}
.qa-key-takeaway .kt-text {
    color: var(--navy);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.6;
}

.qa-laws {
    margin: 2rem 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}
.qa-laws h4 {
    font-family: 'Playfair Display', serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.75rem;
}
.qa-laws ul { list-style: none; }
.qa-laws li {
    font-size: 0.88rem;
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 0.4rem;
    padding-left: 1rem;
    position: relative;
}
.qa-laws li::before {
    content: '§';
    position: absolute; left: 0;
    color: var(--gold-dark);
}

.qa-disclaimer {
    font-size: 0.8rem;
    color: var(--text-muted);
    background: var(--cream-dark);
    border-radius: 8px;
    padding: 0.9rem 1.1rem;
    margin: 2rem 0;
    line-height: 1.6;
}

/* ===== SHARE BAR ===== */
.share-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin: 2.5rem 0;
    padding: 1.5rem;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
}
.share-bar .share-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-right: 0.25rem;
}
.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
    font-family: 'Inter', sans-serif;
}
.share-btn svg { width: 16px; height: 16px; }
.share-btn.native {
    background: var(--navy);
    color: var(--cream);
}
.share-btn.native:hover { background: var(--navy-lighter); }
.share-btn.whatsapp {
    background: #25D366;
    color: white;
}
.share-btn.whatsapp:hover { filter: brightness(1.08); }
.share-btn.copy {
    background: var(--cream-dark);
    color: var(--navy);
    border: 1px solid var(--border);
}
.share-btn.copy:hover { border-color: var(--gold); }
.share-btn.copy.copied { background: var(--gold); color: var(--navy); }

/* ===== QA NAV (prev/next + back) ===== */
.qa-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}
.qa-nav a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--gold-dark);
    text-decoration: none;
}
.qa-nav a:hover { color: var(--gold); }
.qa-nav .back-to-part {
    color: var(--text-muted);
}

@media (max-width: 640px) {
    .part-hero h1 { font-size: 1.7rem; }
    .qa-question { font-size: 1.5rem; }
    .qa-main, .qlist-main { padding-left: 1.25rem; padding-right: 1.25rem; }
    .qa-nav { flex-direction: column; align-items: flex-start; }
}
