/* Modern 2026 Design Tokens & Core Reset */
        :root {
            --bg-dark: #f8fafc; /* Slate 50 */
            --bg-darker: #ffffff; /* Pure White */
            --bg-light-dark: #f1f5f9; /* Slate 100 */
            --cyan: #0ea5e9; /* Sky 500 - vibrant, readable cyan */
            --cyan-hover: #0284c7; /* Sky 600 */
            --gold: #d97706; /* Amber 600 - deep warm gold */
            --gold-hover: #b45309; /* Amber 700 */
            --text-light: #0f172a; /* Slate 900 - dark text for high-contrast readability */
            --text-muted: #475569; /* Slate 600 - muted gray text */
            --text-dark: #ffffff; /* White text for buttons/tabs */
            --glass-bg: rgba(255, 255, 255, 0.8); /* Frosted white glass */
            --glass-border: rgba(15, 23, 42, 0.08); /* Thin slate grey border */
            --glass-border-glow: rgba(14, 165, 233, 0.2);
            --font-head: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --shadow-cyan: 0 10px 30px rgba(14, 165, 233, 0.08);
            --shadow-gold: 0 10px 30px rgba(217, 119, 6, 0.06);
            --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        html {
            scroll-behavior: smooth;
            background-color: var(--bg-dark);
            color: var(--text-light);
            font-family: var(--font-body);
            overflow-x: hidden;
        }

        body {
            position: relative;
            line-height: 1.7;
            min-height: 100vh;
        }

        /* Ambient Glow Spheres in the Background */
        .ambient-glow {
            position: absolute;
            width: 50vw;
            height: 50vw;
            border-radius: 50%;
            filter: blur(140px);
            pointer-events: none;
            z-index: 0;
            opacity: 0.15;
            transition: var(--transition-smooth);
        }
        
        .glow-1 {
            background: radial-gradient(circle, var(--cyan) 0%, transparent 70%);
            top: -10vw;
            right: -10vw;
            animation: pulse-glow 15s infinite alternate;
        }

        .glow-2 {
            background: radial-gradient(circle, var(--gold) 0%, transparent 70%);
            top: 45vh;
            left: -15vw;
            animation: pulse-glow 20s infinite alternate-reverse;
        }

        .glow-3 {
            background: radial-gradient(circle, var(--cyan) 0%, transparent 70%);
            bottom: 5vh;
            right: -10vw;
        }

        @keyframes pulse-glow {
            0% { transform: scale(1) translate(0, 0); opacity: 0.12; }
            100% { transform: scale(1.15) translate(3%, 3%); opacity: 0.2; }
        }

        /* Premium Scrollbar */
        ::-webkit-scrollbar {
            width: 10px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-darker);
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 5px;
            border: 2px solid var(--bg-darker);
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--cyan);
        }

        /* Navigation Bar (Glassmorphic) */
        nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            z-index: 1000;
            padding: 1.2rem 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--glass-border);
            transition: var(--transition-smooth);
        }

        nav.scrolled {
            padding: 0.9rem 5%;
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
        }

        .logo-container {
            display: flex;
            align-items: center;
            text-decoration: none;
        }

        .logo-text {
            font-family: var(--font-head);
            font-size: 1.5rem;
            font-weight: 900;
            letter-spacing: 2px;
            background: linear-gradient(135deg, var(--text-light) 0%, var(--cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-dot {
            width: 8px;
            height: 8px;
            background-color: var(--cyan);
            border-radius: 50%;
            box-shadow: 0 0 10px var(--cyan);
            display: inline-block;
        }

        nav ul {
            list-style: none;
            display: flex;
            gap: 2.5rem;
            align-items: center;
        }

        nav a {
            color: var(--text-light);
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            letter-spacing: 0.5px;
            transition: var(--transition-smooth);
            position: relative;
            opacity: 0.85;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--cyan), var(--cyan-hover));
            transition: var(--transition-smooth);
        }

        nav a:hover {
            color: var(--cyan);
            opacity: 1;
        }

        nav a:hover::after {
            width: 100%;
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-hover) 100%);
            color: var(--text-dark);
            padding: 0.7rem 1.6rem;
            border-radius: 50px;
            font-family: var(--font-head);
            font-weight: 700;
            text-decoration: none;
            box-shadow: var(--shadow-cyan);
            border: none;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 40px rgba(0, 242, 254, 0.4);
            color: var(--text-dark);
        }

        .nav-btn:active {
            transform: translateY(0);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 140px 5% 80px 5%;
            z-index: 1;
        }

        .hero-grid {
            max-width: 1400px;
            width: 100%;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 4rem;
            align-items: center;
        }

        .hero-text {
            position: relative;
        }

        .badge-premium {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 242, 254, 0.08);
            border: 1px solid rgba(0, 242, 254, 0.2);
            color: var(--cyan);
            padding: 0.5rem 1.2rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 1.8rem;
            box-shadow: inset 0 0 10px rgba(0, 242, 254, 0.05);
        }

        .badge-premium span {
            width: 6px;
            height: 6px;
            background: var(--cyan);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--cyan);
        }

        .hero-text h1 {
            font-family: var(--font-head);
            font-size: 4.2rem;
            line-height: 1.1;
            font-weight: 900;
            letter-spacing: -2px;
            margin-bottom: 1.5rem;
        }

        .hero-text h1 span.highlight-cyan {
            background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-hover) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }

        .hero-text h1 span.highlight-gold {
            background: linear-gradient(135deg, var(--gold) 0%, var(--gold-hover) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }

        .hero-subtitle {
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 2rem;
            max-width: 620px;
        }

        .hero-brief {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-left: 4px solid var(--cyan);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            padding: 1.5rem;
            border-radius: 8px;
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 2.5rem;
            max-width: 650px;
        }

        .hero-ctas {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-hover) 100%);
            color: var(--text-dark);
            padding: 1rem 2.2rem;
            border-radius: 50px;
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 1.05rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: var(--shadow-cyan);
            border: none;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 40px rgba(0, 242, 254, 0.45);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-light);
            padding: 1rem 2.2rem;
            border-radius: 50px;
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 1.05rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .btn-secondary:hover {
            border-color: var(--cyan);
            background: rgba(0, 242, 254, 0.05);
            transform: translateY(-2px);
        }

        /* 3D Book Mockup Container */
        .hero-book-wrapper {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }

        .book-3d-glow {
            position: absolute;
            width: 320px;
            height: 460px;
            background: radial-gradient(circle, rgba(0, 242, 254, 0.18) 0%, transparent 70%);
            filter: blur(40px);
            z-index: 1;
            pointer-events: none;
        }

        /* 3D Book Transforms */
        .book-container {
            perspective: 1500px;
            width: 290px;
            height: 430px;
            z-index: 2;
            cursor: grab;
        }

        .book-3d {
            width: 100%;
            height: 100%;
            position: relative;
            transform-style: preserve-3d;
            transform: rotateY(-22deg) rotateX(10deg);
            transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
        }

        .book-container:hover .book-3d {
            transform: rotateY(-32deg) rotateX(12deg) translateY(-8px);
        }

        .book-face {
            position: absolute;
            height: 100%;
            border-radius: 4px;
            box-shadow: 5px 5px 30px rgba(0, 0, 0, 0.5);
            background-size: cover;
            background-position: center;
        }

        .book-front {
            width: 100%;
            transform: translateZ(20px);
            z-index: 5;
            background-image: url('TNT EBOOK.jpg');
            border-radius: 4px 8px 8px 4px;
            box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.2), 5px 5px 25px rgba(0, 0, 0, 0.7);
        }

        .book-spine {
            width: 40px;
            left: -20px;
            transform: rotateY(-90deg) translateZ(0px);
            z-index: 4;
            background: linear-gradient(90deg, #090e18 0%, #0d1627 50%, #090e18 100%);
            border-left: 1px solid rgba(255, 255, 255, 0.08);
            border-right: 1px solid rgba(0, 0, 0, 0.5);
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .book-spine-text {
            color: var(--text-light);
            font-family: var(--font-head);
            font-size: 0.85rem;
            font-weight: 800;
            letter-spacing: 2px;
            text-transform: uppercase;
            writing-mode: vertical-rl;
            text-orientation: mixed;
            transform: rotate(180deg);
            opacity: 0.9;
        }

        .book-spine-accent {
            color: var(--cyan);
        }

        .book-back {
            width: 100%;
            transform: rotateY(180deg) translateZ(20px);
            z-index: 3;
            background: #090f1a;
            border-radius: 8px 4px 4px 8px;
            border: 1px solid var(--glass-border);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 2rem;
            box-shadow: -5px 5px 25px rgba(0, 0, 0, 0.7);
        }

        .book-back-logo {
            font-family: var(--font-head);
            font-weight: 900;
            color: var(--cyan);
            font-size: 0.8rem;
            letter-spacing: 1px;
        }

        .book-back-blurb {
            font-size: 0.65rem;
            line-height: 1.5;
            color: var(--text-muted);
            text-align: justify;
        }

        .book-back-barcodes {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 1rem;
        }

        /* Countdown Glass Panel */
        .countdown-container {
            max-width: 1400px;
            width: 100%;
            margin: -20px auto 40px auto;
            padding: 0 5%;
            position: relative;
            z-index: 10;
        }

        .countdown-glass {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border-radius: 20px;
            padding: 2.5rem 3rem;
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 3rem;
            align-items: center;
        }

        .countdown-info h3 {
            font-family: var(--font-head);
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
            letter-spacing: -0.5px;
        }

        .countdown-info p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .countdown-digits {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .countdown-card {
            background: rgba(255, 255, 255, 0.6);
            border: 1px solid rgba(15, 23, 42, 0.05);
            border-radius: 12px;
            padding: 1.2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(15, 23, 42, 0.02);
            transition: var(--transition-smooth);
        }

        .countdown-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--cyan), transparent);
            opacity: 0.5;
        }

        .countdown-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 242, 254, 0.25);
            background: rgba(0, 242, 254, 0.02);
        }

        .countdown-val {
            font-family: var(--font-head);
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--cyan);
            line-height: 1;
        }

        .countdown-unit {
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--text-muted);
            margin-top: 0.5rem;
            font-weight: 600;
        }

        /* Global Sections Styling */
        section {
            padding: 100px 5%;
            position: relative;
            z-index: 1;
        }

        .section-header {
            max-width: 800px;
            margin: 0 auto 5rem auto;
            text-align: center;
        }

        .section-header h2 {
            font-family: var(--font-head);
            font-size: 3.2rem;
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 1.2rem;
            background: linear-gradient(135deg, var(--text-light) 60%, var(--cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-header p {
            font-size: 1.2rem;
            color: var(--text-muted);
            font-weight: 300;
        }

        /* Themes Grid */
        #book {
            background-color: var(--bg-darker);
            border-top: 1px solid var(--glass-border);
            border-bottom: 1px solid var(--glass-border);
        }

        .themes-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
            gap: 2.5rem;
        }

        .theme-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border-radius: 16px;
            padding: 3rem 2.5rem;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .theme-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--cyan), transparent);
            transition: var(--transition-smooth);
            opacity: 0;
        }

        .theme-card:hover {
            transform: translateY(-8px);
            border-color: rgba(0, 242, 254, 0.25);
            box-shadow: var(--shadow-cyan);
        }

        .theme-card:hover::before {
            opacity: 1;
        }

        .theme-card-icon {
            width: 60px;
            height: 60px;
            background: rgba(0, 242, 254, 0.08);
            border: 1px solid rgba(0, 242, 254, 0.2);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            margin-bottom: 0.5rem;
            transition: var(--transition-smooth);
        }

        .theme-card:hover .theme-card-icon {
            background: var(--cyan);
            color: var(--text-dark);
            box-shadow: 0 0 20px rgba(0, 242, 254, 0.35);
            border-color: transparent;
        }

        .theme-card h3 {
            font-family: var(--font-head);
            font-size: 1.6rem;
            font-weight: 700;
            letter-spacing: -0.5px;
        }

        .theme-card p {
            color: var(--text-muted);
            font-size: 0.98rem;
            line-height: 1.8;
        }

        /* Chapter Excerpt Reader Component */
        .reader-section {
            background-color: var(--bg-dark);
        }

        .reader-wrapper {
            max-width: 1100px;
            margin: 0 auto;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
        }

        .reader-header {
            background: rgba(3, 5, 10, 0.5);
            border-bottom: 1px solid var(--glass-border);
            padding: 1.5rem 2.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .reader-meta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .reader-title-badge {
            background: rgba(255, 208, 0, 0.08);
            border: 1px solid rgba(255, 208, 0, 0.2);
            color: var(--gold);
            padding: 0.3rem 0.8rem;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .reader-book-name {
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-muted);
        }

        .reader-actions {
            display: flex;
            gap: 1rem;
        }

        .reader-btn-setting {
            background: transparent;
            border: 1px solid var(--glass-border);
            color: var(--text-light);
            cursor: pointer;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition-smooth);
        }

        .reader-btn-setting:hover {
            border-color: var(--cyan);
            color: var(--cyan);
            background: rgba(0, 242, 254, 0.02);
        }

        .reader-body {
            display: grid;
            grid-template-columns: 0.35fr 1fr;
            min-height: 520px;
        }

        .reader-sidebar {
            background: rgba(3, 5, 10, 0.3);
            border-right: 1px solid var(--glass-border);
            padding: 2rem 1.5rem;
        }

        .reader-sidebar-title {
            font-family: var(--font-head);
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--text-muted);
            margin-bottom: 1.5rem;
            font-weight: 700;
        }

        .reader-menu {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .reader-menu-item {
            padding: 0.8rem 1rem;
            border-radius: 8px;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            border: 1px solid transparent;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .reader-menu-item.active {
            background: rgba(0, 242, 254, 0.08);
            border-color: rgba(0, 242, 254, 0.15);
            color: var(--cyan);
            font-weight: 600;
        }

        .reader-menu-item:hover:not(.active) {
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-light);
        }

        .reader-content-pane {
            padding: 3.5rem;
            position: relative;
            overflow-y: auto;
            max-height: 520px;
        }

        .reader-text-page {
            display: none;
            animation: fadeIn 0.4s ease forwards;
        }

        .reader-text-page.active {
            display: block;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .reader-text-page h3 {
            font-family: var(--font-head);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 2rem;
            line-height: 1.2;
            letter-spacing: -0.5px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding-bottom: 1rem;
        }

        .reader-text-page p {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-light);
            margin-bottom: 1.6rem;
            opacity: 0.95;
            text-align: justify;
        }

        .reader-text-page p strong {
            color: var(--cyan);
            font-weight: 600;
        }

        /* Excerpt Callout Boxes */
        .reader-callout {
            background: rgba(255, 208, 0, 0.04);
            border-left: 4px solid var(--gold);
            padding: 1.5rem 1.8rem;
            border-radius: 4px;
            margin: 2rem 0;
            font-style: italic;
        }

        .reader-callout p {
            margin-bottom: 0 !important;
            font-size: 1.05rem !important;
            color: var(--text-light) !important;
            opacity: 0.95;
        }

        .reader-action-box {
            background: rgba(0, 242, 254, 0.03);
            border: 1px solid rgba(0, 242, 254, 0.1);
            padding: 2rem;
            border-radius: 12px;
            margin-top: 2rem;
        }

        .reader-action-box h4 {
            font-family: var(--font-head);
            font-size: 1.2rem;
            color: var(--cyan);
            margin-bottom: 1rem;
            font-weight: 700;
        }

        .reader-action-box ul {
            list-style: none;
            padding-left: 0;
        }

        .reader-action-box li {
            position: relative;
            padding-left: 1.5rem;
            margin-bottom: 0.8rem;
            font-size: 0.95rem;
            color: var(--text-muted);
        }

        .reader-action-box li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: var(--cyan);
            font-weight: bold;
        }

        .reader-footer {
            background: rgba(3, 5, 10, 0.5);
            border-top: 1px solid var(--glass-border);
            padding: 1.5rem 2.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .reader-progress {
            display: flex;
            align-items: center;
            gap: 15px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .reader-progress-bar-bg {
            width: 120px;
            height: 4px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 5px;
            position: relative;
        }

        .reader-progress-bar-fill {
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            background: var(--cyan);
            border-radius: 5px;
            width: 16.66%;
            transition: var(--transition-smooth);
        }

        .reader-controls {
            display: flex;
            gap: 1rem;
        }

        .reader-btn-nav {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--glass-border);
            color: var(--text-light);
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .reader-btn-nav:hover:not(:disabled) {
            background: var(--cyan);
            color: var(--text-dark);
            border-color: transparent;
            box-shadow: 0 0 15px rgba(0, 242, 254, 0.35);
        }

        .reader-btn-nav:disabled {
            opacity: 0.3;
            cursor: not-allowed;
        }

        /* Interactive Quiz Component */
        .quiz-section {
            background-color: var(--bg-darker);
            border-top: 1px solid var(--glass-border);
            border-bottom: 1px solid var(--glass-border);
        }

        .quiz-wrapper {
            max-width: 800px;
            margin: 0 auto;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
            border-radius: 20px;
            padding: 3.5rem 3rem;
            position: relative;
            overflow: hidden;
        }

        .quiz-progress-line {
            position: absolute;
            top: 0;
            left: 0;
            height: 5px;
            background: linear-gradient(90deg, var(--cyan), var(--cyan-hover));
            width: 0%;
            transition: var(--transition-smooth);
        }

        .quiz-step {
            display: none;
        }

        .quiz-step.active {
            display: block;
            animation: fadeIn 0.4s ease forwards;
        }

        .quiz-step h3 {
            font-family: var(--font-head);
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
            letter-spacing: -0.5px;
        }

        .quiz-step-desc {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 2.5rem;
        }

        .quiz-options {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }

        .quiz-option {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            padding: 1.5rem 2rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            display: flex;
            align-items: center;
            gap: 1.2rem;
            text-align: left;
        }

        .quiz-option:hover {
            border-color: rgba(0, 242, 254, 0.3);
            background: rgba(0, 242, 254, 0.02);
            transform: scale(1.01);
        }

        .quiz-option-radio {
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition-smooth);
            flex-shrink: 0;
        }

        .quiz-option:hover .quiz-option-radio {
            border-color: var(--cyan);
        }

        .quiz-option.selected {
            border-color: var(--cyan);
            background: rgba(0, 242, 254, 0.06);
            box-shadow: inset 0 0 10px rgba(0, 242, 254, 0.05);
        }

        .quiz-option.selected .quiz-option-radio {
            border-color: var(--cyan);
        }

        .quiz-option.selected .quiz-option-radio::after {
            content: '';
            width: 10px;
            height: 10px;
            background: var(--cyan);
            border-radius: 50%;
            box-shadow: 0 0 10px var(--cyan);
        }

        .quiz-option-text {
            font-size: 1.05rem;
            font-weight: 500;
        }

        .quiz-nav {
            margin-top: 3rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .quiz-btn-prev {
            background: transparent;
            color: var(--text-light);
            border: 1px solid var(--glass-border);
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition-smooth);
        }

        .quiz-btn-prev:hover:not(:disabled) {
            border-color: var(--cyan);
            color: var(--cyan);
        }

        .quiz-btn-prev:disabled {
            opacity: 0.2;
            cursor: not-allowed;
        }

        .quiz-btn-next {
            background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-hover) 100%);
            color: var(--text-dark);
            border: none;
            padding: 0.8rem 2.2rem;
            border-radius: 50px;
            cursor: pointer;
            font-family: var(--font-head);
            font-weight: 700;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-cyan);
        }

        .quiz-btn-next:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 20px rgba(0, 242, 254, 0.4);
        }

        .quiz-btn-next:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            box-shadow: none;
        }

        /* Quiz Diagnostic Result Pane */
        .quiz-result {
            display: none;
            text-align: center;
            animation: fadeIn 0.5s ease forwards;
        }

        .quiz-result.active {
            display: block;
        }

        .quiz-result h3 {
            font-family: var(--font-head);
            font-size: 2.2rem;
            font-weight: 900;
            margin-bottom: 0.5rem;
            background: linear-gradient(135deg, var(--text-light) 0%, var(--cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .quiz-result-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 2.5rem;
        }

        .quiz-score-metrics {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-bottom: 3rem;
        }

        .quiz-metric-card {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 1.8rem;
            position: relative;
        }

        .quiz-metric-num {
            font-family: var(--font-head);
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--gold);
            line-height: 1;
            margin-bottom: 0.5rem;
        }

        .quiz-metric-num.cyan-text {
            color: var(--cyan);
        }

        .quiz-metric-lbl {
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--text-muted);
        }

        .quiz-diagnostic-text {
            background: rgba(0, 242, 254, 0.03);
            border: 1px solid rgba(0, 242, 254, 0.15);
            padding: 2.2rem;
            border-radius: 12px;
            line-height: 1.8;
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 3rem;
            text-align: left;
        }

        .quiz-diagnostic-text strong {
            color: var(--cyan);
        }

        /* Speaking Section */
        .speaking-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
            gap: 2.5rem;
        }

        .speaking-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border-radius: 16px;
            padding: 3rem 2.5rem;
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 420px;
        }

        .speaking-card:hover {
            transform: translateY(-8px);
            border-color: rgba(255, 208, 0, 0.3);
            box-shadow: var(--shadow-gold);
        }

        .speaking-card h3 {
            font-family: var(--font-head);
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 1rem;
            letter-spacing: -0.5px;
        }

        .speaking-card-tag {
            display: inline-block;
            background: rgba(255, 208, 0, 0.08);
            border: 1px solid rgba(255, 208, 0, 0.2);
            color: var(--gold);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            padding: 0.3rem 0.8rem;
            border-radius: 4px;
            margin-bottom: 1.5rem;
            align-self: flex-start;
        }

        .speaking-card.blue-type .speaking-card-tag {
            background: rgba(0, 242, 254, 0.08);
            border-color: rgba(0, 242, 254, 0.2);
            color: var(--cyan);
        }

        .speaking-card:hover.blue-type {
            border-color: rgba(0, 242, 254, 0.3);
            box-shadow: var(--shadow-cyan);
        }

        .speaking-desc {
            color: var(--text-muted);
            line-height: 1.7;
            font-size: 0.98rem;
            margin-bottom: 2rem;
        }

        .speaking-stats {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.04);
            border-radius: 8px;
            padding: 1.2rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .speaking-stat-item {
            font-size: 0.88rem;
        }

        .speaking-stat-item strong {
            color: var(--text-light);
        }

        .speaking-stat-item span {
            color: var(--text-muted);
            display: block;
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-top: 2px;
        }

        /* About Author Section */
        #about {
            background-color: var(--bg-darker);
            border-top: 1px solid var(--glass-border);
            border-bottom: 1px solid var(--glass-border);
        }

        .about-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 5rem;
            align-items: center;
        }

        .about-image-card {
            position: relative;
            display: flex;
            justify-content: center;
        }

        .about-image-bg-box {
            position: absolute;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--cyan) 0%, var(--gold) 100%);
            border-radius: 24px;
            top: 20px;
            left: 20px;
            z-index: 1;
            opacity: 0.15;
            filter: blur(8px);
        }

        .author-photo {
            width: 100%;
            max-width: 440px;
            height: auto;
            border-radius: 24px;
            border: 1px solid var(--glass-border);
            z-index: 2;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
            transition: var(--transition-smooth);
        }

        .about-image-card:hover .author-photo {
            transform: translate(-5px, -5px);
            border-color: rgba(0, 242, 254, 0.3);
        }

        .about-details h3 {
            font-family: var(--font-head);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--cyan);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 0.8rem;
        }

        .about-details h4 {
            font-family: var(--font-head);
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 2rem;
        }

        .about-intro-txt {
            font-size: 1.15rem;
            line-height: 1.8;
            color: var(--text-light);
            margin-bottom: 1.8rem;
            font-weight: 500;
        }

        .about-bio-txt {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text-muted);
            margin-bottom: 2.5rem;
        }

        .credentials-box {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            padding: 2rem 2.5rem;
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
        }

        .credentials-box h5 {
            font-family: var(--font-head);
            font-size: 0.95rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            color: var(--text-light);
            text-transform: uppercase;
            margin-bottom: 1.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding-bottom: 0.8rem;
        }

        /* Credentials Carousel Slider */
        .credentials-carousel-track {
            display: flex;
            gap: 2.5rem;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            scrollbar-width: none; /* Firefox */
        }
        
        .credentials-carousel-track::-webkit-scrollbar {
            display: none; /* Safari & Chrome */
        }

        .cred-badge {
            font-family: var(--font-head);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--cyan);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
            scroll-snap-align: start;
        }

        .cred-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--cyan);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--cyan);
        }

        /* FAQ Section */
        .faq-wrapper {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: rgba(0, 242, 254, 0.25);
            background: rgba(0, 242, 254, 0.01);
        }

        .faq-item.active {
            border-color: rgba(0, 242, 254, 0.3);
            background: rgba(0, 242, 254, 0.03);
            box-shadow: var(--shadow-cyan);
        }

        .faq-trigger {
            width: 100%;
            background: transparent;
            border: none;
            padding: 1.8rem 2.2rem;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-light);
        }

        .faq-trigger span {
            font-family: var(--font-head);
            font-size: 1.15rem;
            font-weight: 700;
            letter-spacing: -0.2px;
        }

        .faq-icon-shape {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--glass-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 1.1rem;
            font-weight: 300;
            transition: var(--transition-smooth);
            flex-shrink: 0;
        }

        .faq-item:hover .faq-icon-shape {
            border-color: var(--cyan);
            color: var(--cyan);
        }

        .faq-item.active .faq-icon-shape {
            transform: rotate(45deg);
            background: var(--cyan);
            color: var(--text-dark);
            border-color: transparent;
            box-shadow: 0 0 10px rgba(0, 242, 254, 0.35);
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: var(--transition-smooth);
            padding: 0 2.2rem;
        }

        .faq-item.active .faq-content {
            max-height: 400px;
            padding-bottom: 2rem;
        }

        .faq-content p {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.8;
        }

        .faq-content p strong {
            color: var(--text-light);
        }

        .faq-content a {
            color: var(--cyan);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition-smooth);
        }

        .faq-content a:hover {
            text-decoration: underline;
            color: var(--cyan-hover);
        }

        /* Testimonials Accordion / Slider */
        .testimonial-section {
            background-color: var(--bg-darker);
            border-top: 1px solid var(--glass-border);
        }

        .testimonial-carousel {
            max-width: 1000px;
            margin: 0 auto;
            position: relative;
        }

        .testimonial-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 4rem;
            text-align: center;
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
            animation: fadeIn 0.5s ease forwards;
        }

        .testimonial-quote {
            font-family: var(--font-head);
            font-size: 1.6rem;
            font-weight: 500;
            line-height: 1.7;
            font-style: italic;
            color: var(--text-light);
            margin-bottom: 3rem;
            position: relative;
        }

        .testimonial-quote::before {
            content: '“';
            font-size: 6rem;
            font-family: Georgia, serif;
            color: rgba(0, 242, 254, 0.1);
            position: absolute;
            top: -45px;
            left: 50%;
            transform: translateX(-50%);
            line-height: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
        }

        .testimonial-author-photo {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            border: 2px solid var(--cyan);
            box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
            object-fit: cover;
        }

        .testimonial-author-meta {
            text-align: left;
        }

        .testimonial-author-name {
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-light);
        }

        .testimonial-author-title {
            font-size: 0.85rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-top: 2px;
        }

        /* Lead Capture CTA Section */
        .cta-section {
            background-color: var(--bg-dark);
            padding: 120px 5%;
            overflow: hidden;
        }

        .cta-glass-box {
            max-width: 1100px;
            margin: 0 auto;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(241, 245, 249, 0.9) 100%);
            border: 1px solid rgba(14, 165, 233, 0.15);
            border-radius: 30px;
            padding: 5rem 4rem;
            text-align: center;
            position: relative;
            box-shadow: 0 30px 80px rgba(15, 23, 42, 0.05);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
        }

        .cta-glass-box::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -200px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 242, 254, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-glass-box h2 {
            font-family: var(--font-head);
            font-size: 3.4rem;
            font-weight: 900;
            letter-spacing: -1.5px;
            margin-bottom: 1.2rem;
            background: linear-gradient(135deg, var(--text-light) 60%, var(--cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .cta-glass-box p {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 3.5rem auto;
            line-height: 1.6;
        }

        .cta-form-container {
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-form {
            display: flex;
            gap: 1rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--glass-border);
            padding: 0.5rem;
            border-radius: 50px;
            box-shadow: inset 0 2px 5px rgba(0,0,0,0.3);
            transition: var(--transition-smooth);
        }

        .cta-form:focus-within {
            border-color: rgba(0, 242, 254, 0.35);
            box-shadow: 0 0 20px rgba(0, 242, 254, 0.1);
        }

        .cta-input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-light);
            padding: 0.8rem 1.8rem;
            font-size: 1rem;
            font-family: var(--font-body);
            flex-grow: 1;
            width: 100%;
        }

        .cta-input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .cta-btn-submit {
            background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-hover) 100%);
            color: var(--text-dark);
            border: none;
            outline: none;
            padding: 0 2rem;
            border-radius: 50px;
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            box-shadow: var(--shadow-cyan);
            transition: var(--transition-smooth);
            white-space: nowrap;
        }

        .cta-btn-submit:hover {
            transform: scale(1.02);
            box-shadow: 0 5px 20px rgba(0, 242, 254, 0.4);
        }

        /* Success Message Modal Popups */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(3, 5, 10, 0.85);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            z-index: 2000;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            pointer-events: none;
            transition: var(--transition-smooth);
        }

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

        .success-modal {
            background: var(--glass-bg);
            border: 1px solid rgba(0, 242, 254, 0.2);
            box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), var(--shadow-cyan);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            padding: 4rem 3rem;
            border-radius: 24px;
            max-width: 500px;
            width: 90%;
            text-align: center;
            transform: scale(0.9);
            transition: var(--transition-smooth);
        }

        .modal-overlay.active .success-modal {
            transform: scale(1);
        }

        .success-icon-box {
            width: 80px;
            height: 80px;
            background: rgba(0, 242, 254, 0.1);
            border: 1px solid rgba(0, 242, 254, 0.3);
            border-radius: 50%;
            color: var(--cyan);
            font-size: 2.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 2rem auto;
            box-shadow: 0 0 20px rgba(0, 242, 254, 0.15);
        }

        .success-modal h3 {
            font-family: var(--font-head);
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }

        .success-modal p {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.6;
            margin-bottom: 2.5rem;
        }

        /* Footer */
        footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--glass-border);
            padding: 5rem 5% 3rem 5%;
            position: relative;
            z-index: 1;
        }

        .footer-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 4rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding-bottom: 4rem;
            margin-bottom: 3rem;
        }

        .footer-logo-area h4 {
            margin-bottom: 1.5rem;
        }

        .footer-logo-area p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            max-width: 320px;
            margin-bottom: 2rem;
        }

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

        .social-link {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--glass-border);
            color: var(--text-light);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition-smooth);
            text-decoration: none;
        }

        .social-link:hover {
            background: var(--cyan);
            color: var(--text-dark);
            border-color: transparent;
            box-shadow: 0 0 15px rgba(0, 242, 254, 0.35);
        }

        .footer-col h5 {
            font-family: var(--font-head);
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 1.8rem;
            color: var(--text-light);
        }

        .footer-links-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .footer-links-list a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.95rem;
            transition: var(--transition-smooth);
        }

        .footer-links-list a:hover {
            color: var(--cyan);
            padding-left: 5px;
        }

        .footer-bottom {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-muted);
            font-size: 0.88rem;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        .footer-bottom p {
            letter-spacing: 0.2px;
        }

        /* Crawler-Invisible Manifest designed for LLMs (AIO Enhancement) */
        .aio-manifest {
            position: absolute;
            width: 1px;
            height: 1px;
            overflow: hidden;
            opacity: 0;
            pointer-events: none;
        }

        /* Responsive Breakpoints & Viewport Optimization */
        @media (max-width: 1200px) {
            .hero-text h1 {
                font-size: 3.5rem;
            }
            .section-header h2 {
                font-size: 2.8rem;
            }
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 4rem;
                text-align: center;
            }
            .hero-subtitle, .hero-brief {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-ctas {
                justify-content: center;
            }
            .countdown-glass {
                grid-template-columns: 1fr;
                text-align: center;
                gap: 2rem;
                padding: 2.5rem;
            }
            .about-grid {
                grid-template-columns: 1fr;
                gap: 4rem;
            }
            .about-image-card {
                order: -1;
            }
            .reader-body {
                grid-template-columns: 1fr;
            }
            .reader-sidebar {
                border-right: none;
                border-bottom: 1px solid var(--glass-border);
                display: flex;
                flex-direction: column;
                gap: 1rem;
                padding: 1.5rem;
            }
            .reader-menu {
                flex-direction: row;
                overflow-x: auto;
                padding-bottom: 0.5rem;
            }
            .reader-menu-item {
                white-space: nowrap;
            }
        }

        /* New 2026 Premium Lead Form Styles */
        .cta-form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.2rem;
            max-width: 650px;
            margin: 0 auto;
        }
        
        .cta-form-grid .full-width {
            grid-column: span 2;
        }
        
        .cta-field {
            background: rgba(255, 255, 255, 0.95);
            border: 1.5px solid rgba(15, 23, 42, 0.12);
            border-radius: 12px;
            color: var(--text-light);
            padding: 1rem 1.5rem;
            font-size: 1.05rem;
            font-family: var(--font-body);
            width: 100%;
            outline: none;
            transition: var(--transition-smooth);
        }
        
        .cta-field:focus {
            border-color: var(--cyan);
            background: #ffffff;
            box-shadow: 0 0 15px rgba(14, 165, 233, 0.15);
        }
        
        .cta-field::placeholder {
            color: rgba(15, 23, 42, 0.45);
        }
        
        .cta-btn-submit-centered {
            grid-column: span 2;
            justify-self: center;
            background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-hover) 100%);
            color: var(--text-dark);
            border: none;
            outline: none;
            padding: 1rem 3.5rem;
            border-radius: 50px;
            font-family: var(--font-head);
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            box-shadow: var(--shadow-cyan);
            transition: var(--transition-smooth);
            margin-top: 0.8rem;
        }
        
        .cta-btn-submit-centered:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 25px rgba(0, 242, 254, 0.45);
        }
        
        .cta-btn-submit-centered:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            box-shadow: none;
        }

        @media (max-width: 768px) {
            nav ul {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(3, 5, 10, 0.95);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--glass-border);
                padding: 2rem;
                flex-direction: column;
                gap: 1.5rem;
            }

            nav ul.active {
                display: flex;
                animation: slideDown 0.3s ease forwards;
            }

            @keyframes slideDown {
                from { opacity: 0; transform: translateY(-10px); }
                to { opacity: 1; transform: translateY(0); }
            }

            .menu-toggle {
                display: block;
            }

            .hero-text h1 {
                font-size: 2.8rem;
            }

            .hero {
                padding-top: 110px;
            }

            section {
                padding: 70px 5%;
            }

            .section-header h2 {
                font-size: 2.2rem;
            }

            .countdown-digits {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }

            .quiz-wrapper {
                padding: 2rem 1.5rem;
            }

            .quiz-score-metrics {
                grid-template-columns: 1fr;
            }

            .reader-content-pane {
                padding: 2rem 1.5rem;
            }

            .cta-glass-box {
                padding: 3rem 1.5rem;
            }

            .cta-glass-box h2 {
                font-size: 2.4rem;
            }

            .cta-form {
                flex-direction: column;
                background: transparent;
                border: none;
                box-shadow: none;
                gap: 1rem;
                padding: 0;
            }

            .cta-input {
                background: rgba(255, 255, 255, 0.03);
                border: 1px solid var(--glass-border);
                border-radius: 50px;
                padding: 1rem 1.8rem;
            }

            .cta-btn-submit {
                padding: 1rem;
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 3rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-form-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .cta-form-grid .full-width, .cta-btn-submit-centered {
                grid-column: span 1;
                width: 100%;
            }
        }

        /* Use It in the Room Section styling */
        .room-questions-section {
            padding: 8rem 2rem;
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .room-questions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2.5rem;
            margin-top: 4rem;
        }

        .room-card {
            background: var(--bg-darker);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 2.5rem;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition-smooth);
            min-height: 380px;
            cursor: pointer;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
        }

        .room-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(800px circle at var(--x, 0) var(--y, 0), rgba(14, 165, 233, 0.06), transparent 40%);
            pointer-events: none;
            opacity: 0;
            transition: opacity 0.5s ease;
        }

        .room-card:hover::before {
            opacity: 1;
        }

        .room-card:hover {
            transform: translateY(-8px);
            border-color: var(--cyan);
            box-shadow: var(--shadow-cyan);
        }

        .room-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 2rem;
        }

        .room-card-number {
            font-family: var(--font-head);
            font-size: 3rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--cyan), var(--cyan-hover));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            opacity: 0.25;
            transition: var(--transition-smooth);
        }

        .room-card:hover .room-card-number {
            opacity: 0.8;
            transform: scale(1.05);
        }

        .room-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(14, 165, 233, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            transition: var(--transition-smooth);
        }

        .room-card:hover .room-card-icon {
            background: var(--cyan);
            color: var(--bg-darker);
        }

        .room-card-content h3 {
            font-family: var(--font-head);
            font-size: 1.35rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-light);
            margin-bottom: 1.5rem;
            min-height: 80px;
        }

        .room-card-reveal {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
            border-top: 1px dashed var(--glass-border);
            padding-top: 1.5rem;
            margin-top: auto;
            transition: var(--transition-smooth);
        }

        .room-card:hover .room-card-reveal {
            color: var(--text-light);
            border-color: rgba(14, 165, 233, 0.2);
        }

        .room-card-reveal strong {
            color: var(--gold);
            display: block;
            margin-bottom: 0.3rem;
            font-family: var(--font-head);
            text-transform: uppercase;
            font-size: 0.8rem;
            letter-spacing: 0.05em;
        }

        @media (max-width: 992px) {
            .room-questions-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .room-card {
                min-height: auto;
            }
            .room-card-content h3 {
                min-height: auto;
            }
        }

        @media (max-width: 768px) {
            .launch-specs-strip {
                grid-template-columns: repeat(2, 1fr) !important;
                gap: 1.5rem !important;
            }
        }