/* CSS RESET & CORE VARIABLES */
        :root {
            --editorial-red: #E05454;
            --cream-paper: #FFF7C5;
            --dark-editorial-brown: #4F252E;
            --soft-rose: #FFE3E3;
            --white: #FFFFFF;
            --light-paper-gray: #F7F5F2;
            --oxygen: 'Oxygen', sans-serif;
            --transition-premium: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-font-smoothing: antialiased;
        }

        body {
            font-family: var(--oxygen);
            background-color: var(--light-paper-gray);
            color: var(--dark-editorial-brown);
            overflow-x: hidden;
            padding-left: 110px; /* Offset for Fixed Left Editorial Spine */
        }

        /* TEXTURED TACTILE OVERLAY */
        .paper-grain-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.045'/%3E%3C/svg%3E");
            pointer-events: none;
            z-index: 10000;
        }

        /* CUSTOM CONTEMPORARY SCROLLBAR */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--light-paper-gray);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--dark-editorial-brown);
        }

        /* DYNAMIC PAGE MULTI-VIEW LAYER SYSTEM */
        .editorial-page-view {
            display: none;
            animation: pageFadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
        }

        .editorial-page-view.active-view {
            display: block;
        }

        @keyframes pageFadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* FIXED LEFT EDITORIAL SPINE */
        .fixed-left-spine {
            position: fixed;
            top: 0;
            left: 0;
            width: 110px;
            height: 100vh;
            background-color: var(--dark-editorial-brown);
            border-right: 1px solid var(--editorial-red);
            z-index: 2000;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            align-items: center;
            padding: 2rem 0;
            color: var(--cream-paper);
            box-shadow: 5px 0 25px rgba(79, 37, 46, 0.15);
        }

        .spine-logo {
            text-align: center;
            cursor: pointer;
        }

        .spine-logo-dot {
            width: 16px;
            height: 16px;
            background-color: var(--editorial-red);
            border-radius: 50%;
            margin: 0 auto 0.5rem auto;
        }

        .spine-brand-vertical {
            font-weight: 700;
            font-size: 0.75rem;
            letter-spacing: 0.3em;
            text-transform: uppercase;
            margin-top: 1rem;
            opacity: 0.8;
        }

        .spine-tabs-stack {
            display: flex;
            flex-direction: column;
            width: 100%;
            gap: 0.5rem;
        }

        .spine-tab-item {
            width: 100%;
            padding: 0.8rem 0;
            text-align: center;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--cream-paper);
            text-decoration: none;
            border-left: 3px solid transparent;
            cursor: pointer;
            transition: var(--transition-premium);
            position: relative;
        }

        .spine-tab-item:hover {
            background: rgba(255, 247, 197, 0.05);
            border-left-color: var(--editorial-red);
        }

        .spine-tab-item.active-tab {
            border-left-color: var(--editorial-red);
            background: rgba(255, 247, 197, 0.1);
        }

        /* Tooltip layout on side tabs */
        .spine-tab-item .tab-extended-info {
            position: absolute;
            left: 110px;
            top: 0;
            background: var(--dark-editorial-brown);
            color: var(--white);
            padding: 0.8rem 1.5rem;
            white-space: nowrap;
            display: none;
            font-weight: 300;
            border-left: 2px solid var(--editorial-red);
            box-shadow: 5px 5px 15px rgba(0,0,0,0.2);
        }

        .spine-tab-item:hover .tab-extended-info {
            display: block;
        }

        .spine-bottom-controls {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }

        .compass-btn {
            background: none;
            border: 1px solid rgba(255, 247, 197, 0.3);
            color: var(--cream-paper);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: var(--transition-premium);
            font-size: 0.7rem;
        }

        .compass-btn:hover {
            border-color: var(--editorial-red);
            transform: rotate(360deg);
        }

        /* TOP EDITORIAL STRIP */
        .top-editorial-strip {
            width: 100%;
            height: 55px;
            background-color: #4F252E;
            border-bottom: 1px solid rgba(79, 37, 46, 0.15);
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 3rem;
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .strip-left { font-weight: 700; text-transform: uppercase; letter-spacing: 0.15em; font-size: 0.85rem; }
        .strip-center { font-weight: 300; text-transform: uppercase; letter-spacing: 0.2em; font-size: 0.8rem; opacity: 0.8; }
        .strip-right-ticker { font-weight: 700; text-transform: uppercase; font-size: 0.8rem; color: var(--editorial-red); transition: opacity 0.3s; }

        /* HERO LAYOUT / COVER STORY */
        .cover-story-container {
            min-height: calc(100vh - 55px);
            background: 
                        url('https://i.pinimg.com/736x/9c/46/f6/9c46f651c17e68e9bf8e98c1ffd2a3d8.jpg') no-repeat center center;
            background-size: cover;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 6rem;
            position: relative;
        }

        .watermark-text {
            position: absolute;
            right: 5%;
            bottom: 10%;
            font-size: 16vw;
            font-weight: 700;
            color: rgb(255, 255, 255);
            user-select: none;
            pointer-events: none;
            line-height: 0.8;
        }

        .label-feature {
            font-weight: 300;
            text-transform: uppercase;
            letter-spacing: 0.4em;
            color: var(--editorial-red);
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
            display: block;
        }

        .massive-headline {
            font-size: 5rem;
            max-width: 1000px;
            font-weight: 700;
            line-height: 1.05;
            color: var(--dark-editorial-brown);
            margin-bottom: 2.5rem;
            letter-spacing: -0.02em;
        }

        .editorial-lead-para {
            font-size: 1.3rem;
            max-width: 680px;
            line-height: 1.65;
            font-weight: 300;
            opacity: 0.95;
            margin-bottom: 3rem;
        }

        /* CHAPTER LAYOUT BASICS */
        .editorial-chapter-section {
            padding: 8rem 4rem;
            border-bottom: 1px solid rgba(79, 37, 46, 0.1);
            position: relative;
            max-width: 1500px;
            margin: 0 auto;
        }

        .chapter-heading-group {
            margin-bottom: 4rem;
        }

        .chapter-title {
            font-size: 3rem;
            font-weight: 700;
            margin-top: 0.5rem;
        }

        /* CHAPTER 02: THE BORROWER'S JOURNEY TIMELINE */
        .foldout-timeline {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin-top: 3rem;
        }

        .timeline-spread-card {
            background: var(--white);
            border: 1px solid rgba(79, 37, 46, 0.15);
            padding: 2.5rem;
            cursor: pointer;
            transition: var(--transition-premium);
            box-shadow: 4px 4px 0px rgba(79, 37, 46, 0.05);
        }

        .timeline-spread-card:hover {
            transform: translateX(10px);
            border-color: var(--editorial-red);
        }

        .card-header-flex {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .card-index {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--editorial-red);
        }

        .card-title {
            font-size: 1.8rem;
            font-weight: 700;
            flex-grow: 1;
            margin-left: 2rem;
        }

        .card-expanded-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
            padding-top: 0;
            font-size: 1.05rem;
            line-height: 1.6;
            opacity: 0.8;
        }

        .timeline-spread-card.open-spread .card-expanded-content {
            max-height: 300px;
            padding-top: 1.5rem;
            opacity: 1;
        }

        /* CHAPTER 04: LOAN PORTFOLIO NOTICE BOARD */
        .dark-portfolio-bg {
            background-color: var(--dark-editorial-brown);
            color: var(--cream-paper);
            padding: 8rem 4rem;
        }

        .poster-notice-board {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
            gap: 2.5rem;
            margin-top: 4rem;
        }

        .editorial-poster {
            border: 1px solid rgba(255, 247, 197, 0.2);
            padding: 3rem;
            background: rgba(255, 255, 255, 0.02);
            cursor: pointer;
            transition: var(--transition-premium);
            position: relative;
        }

        .editorial-poster:hover {
            background: var(--white);
            color: var(--dark-editorial-brown);
            transform: scale(1.02);
            box-shadow: 0 20px 40px rgba(0,0,0,0.3);
        }

        .poster-title {
            font-size: 2.2rem;
            margin-bottom: 1.5rem;
        }

        .poster-unfold-spread {
            display: none;
            margin-top: 2rem;
            border-top: 1px dashed rgba(79, 37, 46, 0.3);
            padding-top: 1.5rem;
            font-size: 1rem;
            line-height: 1.6;
        }

        /* CHAPTER 05: FINANCIAL BLUEPRINT MAP */
        .blueprint-map-wrapper {
            background: rgba(79, 37, 46, 0.02);
            border: 1px solid rgba(79, 37, 46, 0.15);
            padding: 4rem;
            margin-top: 3rem;
            position: relative;
        }

        .blueprint-node-item {
            background: var(--white);
            border-left: 4px solid var(--editorial-red);
            padding: 1.5rem 2rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.02);
            cursor: help;
            transition: var(--transition-premium);
        }

        .blueprint-node-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(79, 37, 46, 0.08);
        }

        /* CHAPTER 07: NUMBERS THAT MATTER */
        .massive-stats-viewport {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 4rem;
            margin-top: 4rem;
        }

        .stat-giant-block {
            border-top: 1px solid var(--dark-editorial-brown);
            padding-top: 2rem;
        }

        .giant-num {
            font-size: 6.5rem;
            font-weight: 700;
            color: var(--editorial-red);
            line-height: 1;
            margin-bottom: 1rem;
        }

        .stat-commentary {
            font-size: 1.1rem;
            line-height: 1.6;
            opacity: 0.9;
        }

        /* CHAPTER 08: KNOWLEDGE ARCHIVE BOOKSHELF */
        .virtual-bookshelf-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 3rem;
            margin-top: 4rem;
        }

        .archive-book {
            background: var(--white);
            border: 1px solid rgba(79, 37, 46, 0.15);
            padding: 4rem 3rem;
            box-shadow: 8px 8px 0px rgba(79, 37, 46, 0.06);
            cursor: pointer;
            transition: var(--transition-premium);
            transform-origin: left center;
        }

        .archive-book:hover {
            transform: perspective(1000px) rotateY(-15deg);
            border-color: var(--editorial-red);
        }

        .book-interior-content {
            display: none;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px double var(--dark-editorial-brown);
            font-size: 0.95rem;
            line-height: 1.6;
            color: rgba(79, 37, 46, 0.85);
        }

        /* CHAPTER 10: CONSULTATION ATELIER / STUDIO */
        .split-studio-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6rem;
            margin-top: 4rem;
        }

        .frosted-paper-card {
            background: var(--white);
            border: 1px solid rgba(79, 37, 46, 0.1);
            padding: 4rem;
            box-shadow: 25px 25px 0px var(--soft-rose);
            position: relative;
        }

        .atelier-form-group {
            margin-bottom: 2rem;
        }

        .atelier-form-group label {
            display: block;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.2em;
            font-weight: 700;
            margin-bottom: 0.6rem;
        }

        .atelier-form-group input, .atelier-form-group select {
            width: 100%;
            padding: 1.2rem;
            border: 1px solid rgba(79, 37, 46, 0.2);
            background: var(--light-paper-gray);
            font-family: var(--oxygen);
            color: var(--dark-editorial-brown);
            font-size: 1rem;
        }

        .atelier-submit-btn {
            width: 100%;
            background: var(--editorial-red);
            color: var(--white);
            border: none;
            padding: 1.2rem;
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.15em;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition-premium);
        }

        .atelier-submit-btn:hover {
            background: var(--dark-editorial-brown);
        }

        .reviewed-stamp-artifact {
            position: absolute;
            top: 35%;
            left: 20%;
            border: 4px double var(--editorial-red);
            color: var(--editorial-red);
            font-size: 3.5rem;
            font-weight: 700;
            padding: 0.6rem 2.5rem;
            transform: rotate(-18deg);
            display: none;
            background: rgba(255, 255, 255, 0.95);
            letter-spacing: 0.15em;
            pointer-events: none;
            z-index: 50;
        }

        /* COMPREHENSIVE REFINED LEGAL CONTENT VIEWER */
        .editorial-legal-wrapper {
            max-width: 960px;
            margin: 4rem auto;
            background: var(--white);
            padding: 6rem;
            box-shadow: 0 30px 60px rgba(79, 37, 46, 0.05);
            border: 1px solid rgba(79, 37, 46, 0.08);
        }

        .legal-editorial-section {
            margin-bottom: 4rem;
        }

        .legal-editorial-section h3 {
            font-size: 2rem;
            margin-bottom: 1.5rem;
            border-bottom: 1px solid rgba(79, 37, 46, 0.1);
            padding-bottom: 0.5rem;
        }

        .legal-editorial-section p {
            line-height: 1.8;
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
            opacity: 0.9;
        }

        /* TEXTURED MASTER FOOTER */
        footer {
            background: var(--dark-editorial-brown);
            color: var(--cream-paper);
            padding: 8rem 4rem 4rem 4rem;
            border-top: 4px double var(--editorial-red);
        }

        .footer-columns-container {
            display: grid;
            grid-template-columns: 2fr repeat(4, 1fr);
            gap: 4rem;
            margin-bottom: 6rem;
        }

        .footer-editorial-column h4 {
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.2em;
            color: var(--editorial-red);
            margin-bottom: 2rem;
        }

        .footer-editorial-column ul {
            list-style: none;
        }

        .footer-editorial-column ul li {
            margin-bottom: 1rem;
        }

        .footer-editorial-column ul li a {
            color: var(--cream-paper);
            text-decoration: none;
            opacity: 0.75;
            font-size: 0.95rem;
            transition: var(--transition-premium);
            cursor: pointer;
        }

        .footer-editorial-column ul li a:hover {
            opacity: 1;
            padding-left: 6px;
            color: var(--editorial-red);
        }

        .footer-bottom-bar {
            border-top: 1px solid rgba(255, 247, 197, 0.12);
            padding-top: 2.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.9rem;
            opacity: 0.6;
        }

        /* DETACHABLE PAGE CORNER COMPONENT (BACK TO TOP) */
        .page-corner-fold-btn {
            position: fixed;
            bottom: 0;
            right: 0;
            width: 65px;
            height: 65px;
            background: var(--editorial-red);
            clip-path: polygon(100% 0, 0 100%, 100% 100%);
            cursor: pointer;
            z-index: 999;
            transition: var(--transition-premium);
        }

        .page-corner-fold-btn:hover {
            width: 85px;
            height: 85px;
        }

        /* HIGH-END SCALABLE RESPONSIVE MATRIX */
        @media (max-width: 1200px) {
            .split-studio-layout, .massive-stats-viewport {
                grid-template-columns: 1fr;
                gap: 4rem;
            }
            .virtual-bookshelf-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 900px) {
            body { padding-left: 0; }
            .fixed-left-spine {
                position: relative;
                width: 100%;
                height: auto;
                flex-direction: row;
                padding: 1rem 2rem;
            }
            .spine-brand-vertical { writing-mode: horizontal-tb; margin-top: 0; }
            .spine-tabs-stack { flex-direction: row; flex-wrap: wrap; justify-content: center; margin: 1rem 0; }
            .spine-tab-item .tab-extended-info { display: none !important; }
            .virtual-bookshelf-grid, .poster-notice-board { grid-template-columns: 1fr; }
            .footer-columns-container { grid-template-columns: 1fr 1fr; }
            .massive-headline { font-size: 3.2rem; }
            .editorial-legal-wrapper { padding: 3rem; }
        }

        @media (max-width: 600px) {
            .footer-columns-container { grid-template-columns: 1fr; }
            .top-editorial-strip { padding: 0 1rem; }
            .cover-story-container { padding: 2rem; }
            .massive-headline { font-size: 2.4rem; }
        }