/* --- DESIGN SYSTEM SYSTEMIC VARIABLE TOKENS --- */
        :root {
            --primary-sage: #607456;
            --accent-coral: #E05454;
            --white: #FFFFFF;
            --soft-sage: #EDF2EC;
            --warm-gray: #E7E5E1;
            --light-coral: #F8D8D5;
            --black-text: #1C201A;
            --transition-smooth: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
            --transition-fast: all 0.3s ease;
        }

        /* --- STRUCTURE & ACCESSIBLE BASE RESET --- */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            outline: none;
            -webkit-tap-highlight-color: transparent;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PT Sans', sans-serif;
            background-color: var(--white);
            color: var(--black-text);
            line-height: 1.65;
            font-size: 1.15rem;
            overflow-x: hidden;
        }

        /* --- EDITORIAL TYPOGRAPHIC MATRIX --- */
        h1, h2, h3, h4 {
            font-weight: 700;
            color: var(--primary-sage);
            line-height: 1.15;
        }

        .hero-title {
            font-size: 5.8rem;
            line-height: 1.05;
            letter-spacing: -0.03em;
            margin-bottom: 24px;
        }

        .section-title {
            font-size: 3rem;
            letter-spacing: -0.01em;
            margin-bottom: 20px;
        }

        p {
            font-size: 1.15rem;
            color: var(--black-text);
            margin-bottom: 1.5rem;
        }

        /* --- PREMIUM CONTROL INTERACTION SYSTEMS --- */
        .btn-editorial {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            background-color: var(--accent-coral);
            color: var(--white);
            text-decoration: none;
            padding: 16px 36px;
            font-weight: 700;
            text-transform: uppercase;
            font-size: 0.9rem;
            letter-spacing: 0.1em;
            border: none;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 0px rgba(0, 0, 0, 0.05);
        }

        .btn-editorial:hover {
            background-color: var(--primary-sage);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(96, 116, 86, 0.15);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary-sage);
            border: 2px solid var(--primary-sage);
        }

        .btn-outline:hover {
            background: var(--primary-sage);
            color: var(--white);
        }

        .section-padding {
            padding: 140px 80px;
        }

        /* --- SPA MULTIPAGE VIEWPORT CONTROLLER ARCHITECTURE --- */
        .spa-viewport-stage {
            display: none;
        }

        .spa-viewport-stage.active-stage {
            display: block;
        }

        /* --- GLASS FLOATING HEADER SYSTEM --- */
        .editorial-header-container {
            position: sticky;
            top: 0;
            z-index: 1000;
            width: 100%;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(96, 116, 86, 0.1);
            transition: var(--transition-fast);
        }

        .header-elevated {
            box-shadow: 0 15px 35px rgba(96, 116, 86, 0.06);
            background: rgba(255, 255, 255, 0.95);
        }

        .main-header-navbar {
            max-width: 1500px;
            margin: 0 auto;
            height: 90px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 40px;
        }

        .brand-monogram {
            font-weight: 700;
            font-size: 1.6rem;
            text-decoration: none;
            color: var(--primary-sage);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .brand-monogram span {
            color: var(--accent-coral);
        }

        .nav-link-enclosure {
            display: flex;
            gap: 36px;
        }

        .nav-link-item {
            color: var(--black-text);
            text-decoration: none;
            font-weight: 700;
            font-size: 0.95rem;
            position: relative;
            padding: 8px 0;
            letter-spacing: 0.02em;
        }

        .nav-link-item::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background-color: var(--accent-coral);
            transition: var(--transition-smooth);
            transform: translateX(-50%);
        }

        .nav-link-item:hover::after {
            width: 100%;
        }

        .header-action-deck {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .utility-icon-btn {
            background: none;
            border: none;
            color: var(--primary-sage);
            cursor: pointer;
            padding: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition-fast);
        }

        .utility-icon-btn:hover {
            color: var(--accent-coral);
            transform: scale(1.1);
        }

        /* --- RESPONSIVE HAMBURGER NAVIGATION --- */
        .hamburger-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1100;
            padding: 8px;
        }

        .hamburger-toggle span {
            width: 24px;
            height: 2px;
            background-color: var(--primary-sage);
            transition: var(--transition-fast);
            transform-origin: center;
        }

        .hamburger-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
        .hamburger-toggle.active span:nth-child(2) { opacity: 0; }
        .hamburger-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            max-width: 360px;
            height: 100vh;
            background: var(--white);
            box-shadow: -15px 0 40px rgba(96, 116, 86, 0.1);
            padding: 120px 40px 40px 40px;
            display: flex;
            flex-direction: column;
            gap: 28px;
            z-index: 1050;
            transition: var(--transition-smooth);
        }

        .mobile-nav-panel.active {
            right: 0;
        }

        .mobile-nav-panel .nav-link-item {
            font-size: 1.3rem;
            border-bottom: 1px solid var(--soft-sage);
            padding-bottom: 12px;
        }

        /* --- INTERACTIVE MATRICES SEARCH OVERLAY --- */
        .search-overlay-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.98);
            z-index: 2000;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 40px;
            opacity: 0;
            pointer-events: none;
            transition: var(--transition-fast);
        }

        .search-overlay-modal.active {
            opacity: 1;
            pointer-events: auto;
        }

        .search-inner-wrap {
            width: 100%;
            max-width: 800px;
            text-align: left;
        }

        .search-input-field {
            width: 100%;
            border: none;
            border-bottom: 3px solid var(--primary-sage);
            font-size: 2.5rem;
            color: var(--primary-sage);
            padding: 15px 0;
            font-weight: 700;
            background: transparent;
        }

        /* --- HERO: PARALLAX KNOWLEDGE WALL --- */
        .knowledge-wall-hero {
            position: relative;
            width: 100%;
            height: 100vh;
            min-height: 800px;
            background-color: var(--warm-gray);
            overflow: hidden;
            display: flex;
            align-items: center;
            padding: 0 100px;
        }

        .collage-background-layer {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 1;
        }

        .collage-image-node {
            position: absolute;
            object-fit: cover;
            box-shadow: 0 20px 45px rgba(0,0,0,0.08);
            transition: transform 0.1s linear;
        }

        .img-node-1 { top: 8%; right: 4%; width: 26%; height: 40%; }
        .img-node-2 { bottom: 6%; right: 10%; width: 24%; height: 38%; }
        .img-node-3 { top: 35%; right: 34%; width: 16%; height: 30%; opacity: 0.9; }

        .hero-floating-card {
            position: relative;
            z-index: 10;
            background: var(--white);
            padding: 70px;
            max-width: 720px;
            box-shadow: 0 40px 90px rgba(96, 116, 86, 0.12);
            border-left: 8px solid var(--primary-sage);
        }

        .hero-label {
            text-transform: uppercase;
            font-size: 0.9rem;
            letter-spacing: 0.15em;
            color: var(--accent-coral);
            font-weight: 700;
            margin-bottom: 16px;
            display: block;
        }

        /* --- SECTION 2: THE LEARNING COMPASS --- */
        .compass-section {
            background-color: var(--soft-sage);
            overflow: hidden;
        }

        .compass-layout-container {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            align-items: center;
            gap: 80px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .compass-interactive-hub {
            position: relative;
            width: 520px;
            height: 520px;
            margin: 0 auto;
            background: var(--white);
            border-radius: 50%;
            border: 2px dashed rgba(96, 116, 86, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .compass-center-core {
            width: 140px;
            height: 140px;
            background: var(--primary-sage);
            border-radius: 50%;
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.15rem;
            text-align: center;
            box-shadow: 0 15px 35px rgba(96, 116, 86, 0.25);
            z-index: 5;
        }

        .compass-svg-container {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
        }

        .compass-line {
            stroke: var(--accent-coral);
            stroke-width: 2;
            stroke-dasharray: 4;
            opacity: 0.2;
            transition: var(--transition-fast);
        }

        .compass-line.active-line {
            opacity: 1;
            stroke-dasharray: 0;
            stroke-width: 3;
        }

        .compass-node-anchor {
            position: absolute;
            background: var(--white);
            padding: 14px 24px;
            border-radius: 40px;
            border: 1px solid rgba(96, 116, 86, 0.2);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 6px 20px rgba(0,0,0,0.03);
            z-index: 10;
        }

        .node-1 { top: 6%; left: 50%; transform: translateX(-50%); }
        .node-2 { top: 28%; right: -8%; }
        .node-3 { bottom: 28%; right: -8%; }
        .node-4 { bottom: 6%; left: 50%; transform: translateX(-50%); }
        .node-5 { bottom: 28%; left: -8%; }
        .node-6 { top: 28%; left: -8%; }

        .compass-node-anchor:hover, .compass-node-anchor.active-node {
            background: var(--accent-coral);
            color: var(--white);
            border-color: var(--accent-coral);
            transform: scale(1.05);
        }

        .compass-explanation-card {
            background: var(--white);
            padding: 60px;
            min-height: 280px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            border-top: 4px solid var(--accent-coral);
            box-shadow: 0 20px 50px rgba(0,0,0,0.02);
        }

        /* --- SECTION 3: MENTOR NOTEBOOK SHEETS --- */
        .mentor-notebook-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 50px;
            max-width: 1400px;
            margin: 60px auto 0 auto;
        }

        .notebook-sheet {
            background: #FAF9F6;
            border-top: 28px solid var(--primary-sage);
            box-shadow: 0 15px 35px rgba(0,0,0,0.03);
            padding: 40px;
            transform: rotate(var(--rotation-factor, 0deg));
            transition: var(--transition-smooth);
            position: relative;
        }

        .notebook-sheet::before {
            content: '';
            position: absolute;
            top: -15px;
            left: 25px;
            width: 14px;
            height: 14px;
            background: var(--white);
            border-radius: 50%;
            box-shadow: 45px 0 var(--white), 90px 0 var(--white);
        }

        .notebook-sheet:hover {
            transform: rotate(0deg) translateY(-12px);
            box-shadow: 0 30px 60px rgba(96, 116, 86, 0.12);
            background: var(--white);
        }

        .mentor-profile-header {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 24px;
        }

        .mentor-avatar {
            width: 75px;
            height: 75px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--accent-coral);
        }

        /* --- SECTION 4: KNOWLEDGE CANVAS --- */
        .knowledge-canvas {
            background-color: var(--primary-sage);
            color: var(--white);
            text-align: center;
            overflow: hidden;
            position: relative;
        }

        .canvas-words-wrap {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin: 50px 0;
        }

        .giant-word {
            font-size: 7.5rem;
            font-weight: 700;
            color: rgba(255,255,255,0.06);
            text-transform: uppercase;
            letter-spacing: 0.25em;
            line-height: 0.95;
            transition: var(--transition-smooth);
            cursor: default;
        }

        .giant-word:hover {
            color: var(--accent-coral);
            transform: scale(1.04);
        }

        /* --- SECTION 5: EDITORIAL STRIPS --- */
        .learning-strip {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            border-bottom: 1px solid var(--warm-gray);
            transition: var(--transition-smooth);
        }

        .learning-strip:hover {
            background-color: var(--soft-sage);
        }

        .strip-image {
            width: 100%;
            height: 100%;
            min-height: 400px;
            object-fit: cover;
        }

        .strip-content {
            padding: 80px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: flex-start;
        }

        .strip-inverse {
            grid-template-columns: 1.2fr 1fr;
        }

        .strip-inverse .strip-image {
            order: 2;
        }

        /* --- SECTION 6: THE BOOKSHELF JOURNAL --- */
        .bookshelf-container {
            display: flex;
            height: 550px;
            background: var(--white);
            border: 16px solid var(--primary-sage);
            margin-top: 50px;
            overflow: hidden;
        }

        .book-spine {
            flex: 1;
            background-color: var(--primary-sage);
            border-right: 1px solid rgba(255,255,255,0.15);
            color: var(--white);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 24px;
            transition: var(--transition-smooth);
            position: relative;
        }

        .book-spine-text {
            transform: rotate(-90deg);
            white-space: nowrap;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            font-size: 1rem;
        }

        .book-spine:nth-child(even) { background-color: #55674c; }
        .book-spine:hover, .book-spine.active-spine {
            background-color: var(--accent-coral);
            flex: 2;
        }

        .bookshelf-preview-panel {
            flex: 4;
            background-color: var(--soft-sage);
            padding: 60px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            transition: var(--transition-smooth);
        }

        /* --- SECTION 7: RESOURCE MOSAIC --- */
        .mosaic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-auto-rows: 240px;
            gap: 30px;
            margin-top: 60px;
        }

        .mosaic-block {
            background: var(--soft-sage);
            padding: 35px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition-smooth);
            border: 1px solid transparent;
        }

        .mosaic-block:hover {
            background: var(--white);
            border-color: var(--accent-coral);
            box-shadow: 0 20px 45px rgba(224, 84, 84, 0.08);
            transform: translateY(-6px);
        }

        .block-wide { grid-column: span 2; }
        .block-tall { grid-row: span 2; }

        /* --- SECTION 8: SUCCESS PANEL SLIDER --- */
        .slider-window {
            overflow: hidden;
            margin-top: 50px;
            position: relative;
        }

        .slider-rail {
            display: flex;
            gap: 30px;
            transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
        }

        .success-panel {
            min-width: calc(33.333% - 20px);
            background: var(--white);
            padding: 50px;
            border-top: 4px solid var(--accent-coral);
            box-shadow: 0 15px 35px rgba(0,0,0,0.01);
        }

        /* --- SECTION 9: STATS COUNTERS --- */
        .insights-counter-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            text-align: center;
            max-width: 1300px;
            margin: 0 auto;
        }

        .counter-number {
            font-size: 4.5rem;
            font-weight: 700;
            color: var(--accent-coral);
            line-height: 1;
            margin-bottom: 12px;
        }

        /* --- SECTION 10: CONTINUOUS MARQUEES --- */
        .marquee-wrapper {
            padding: 40px 0;
            overflow: hidden;
            background: var(--white);
            border-top: 1px solid var(--warm-gray);
            border-bottom: 1px solid var(--warm-gray);
        }

        .marquee-stream {
            display: flex;
            white-space: nowrap;
            gap: 60px;
            font-size: 1.6rem;
            font-weight: 700;
            text-transform: uppercase;
            color: var(--primary-sage);
        }

        .marquee-forward { animation: marquee-fw 40s linear infinite; }

        @keyframes marquee-fw {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* --- SECTION 11: LEARNING LOUNGE --- */
        .learning-lounge-banner {
            min-height: 650px;
            background: linear-gradient(rgba(96,116,86,0.35), rgba(96,116,86,0.35)), url('https://images.unsplash.com/photo-1524178232363-1fb2b075b655?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
            display: flex;
            align-items: center;
            justify-content: flex-start;
            padding: 80px;
        }

        .lounge-card {
            background: var(--white);
            padding: 60px;
            max-width: 580px;
            box-shadow: 0 40px 80px rgba(0,0,0,0.12);
        }

        .form-input-field {
            width: 100%;
            padding: 16px;
            border: 1px solid var(--warm-gray);
            margin-bottom: 16px;
            font-family: inherit;
            font-size: 1rem;
        }

        /* --- SUBPAGE ARCHITECTURAL BANNER --- */
        .subpage-banner {
            background-color: var(--soft-sage);
            padding: 100px 40px;
            text-align: center;
            border-bottom: 1px solid rgba(96, 116, 86, 0.08);
        }

        .subpage-banner h1 {
            font-size: 3.8rem;
            margin-bottom: 16px;
        }

        .subpage-grid-layout {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            margin-top: 40px;
        }

        /* --- PREMIUM EDITORIAL FOOTER --- */
        .editorial-footer {
            background-color: var(--primary-sage);
            color: var(--white);
            padding: 100px 80px 50px 80px;
        }

        .footer-cols-grid {
            display: grid;
            grid-template-columns: 1.44fr repeat(4, 1fr);
            gap: 50px;
            margin-top: 50px;
        }

        .footer-col h4 {
            color: var(--light-coral);
            font-size: 1.1rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: 24px;
        }

        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            margin-bottom: 14px;
            font-size: 1rem;
            transition: var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--white);
            padding-left: 6px;
        }

        /* --- FULLRESPONSIVE MEDIA LAYER --- */
        @media (max-width: 1200px) {
            .hero-title { font-size: 4.5rem; }
            .mentor-notebook-grid { grid-template-columns: 1fr 1fr; }
            .success-panel { min-width: calc(50% - 15px); }
        }

        @media (max-width: 1024px) {
            .nav-link-enclosure, .header-action-deck .btn-editorial { display: none; }
            .hamburger-toggle { display: flex; }
            .compass-layout-container { grid-template-columns: 1fr; gap: 60px; }
            .section-padding { padding: 90px 40px; }
            .footer-cols-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
        }

        @media (max-width: 768px) {
            .hero-title { font-size: 3.2rem; }
            .section-title { font-size: 2.4rem; }
            .knowledge-wall-hero { padding: 0 24px; }
            .hero-floating-card { padding: 40px 24px; }
            .collage-background-layer { display: none; }
            .compass-interactive-hub { width: 320px; height: 320px; }
            .compass-node-anchor { padding: 10px 16px; font-size: 0.85rem; }
            .node-2 { right: 2%; } .node-3 { right: 2%; } .node-5 { left: 2%; } .node-6 { left: 2%; }
            .mentor-notebook-grid, .subpage-grid-layout { grid-template-columns: 1fr; }
            .notebook-sheet { transform: none !important; }
            .learning-strip, .strip-inverse { grid-template-columns: 1fr; }
            .strip-inverse .strip-image { order: 0; }
            .strip-content { padding: 40px 24px; }
            .bookshelf-container { flex-direction: column; height: auto; border-width: 8px; }
            .book-spine { padding: 18px; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.15); }
            .book-spine-text { transform: none; }
            .mosaic-grid { grid-template-columns: 1fr; grid-auto-rows: auto; }
            .block-wide, .block-tall { grid-column: span 1; grid-row: auto; }
            .success-panel { min-width: 100%; }
            .insights-counter-row { grid-template-columns: 1fr 1fr; }
            .giant-word { font-size: 3.8rem; }
            .learning-lounge-banner { padding: 40px 20px; }
            .lounge-card { padding: 40px 24px; }
            .footer-cols-grid { grid-template-columns: 1fr; }
            .section-padding { padding: 70px 20px; }
        }