/* ==========================================================================
           Professional Design System - Matching Logo Colors
           Based on the vibrant teal, orange, coral palette
           ========================================================================== */
        
        :root {
            /* Primary Brand Colors - From Logo */
            --teal-deep: #0E7C86;
            --teal-bright: #17A2B8;
            --teal-light: #5DCED0;
            --orange-vibrant: #FF8C42;
            --orange-warm: #FFB347;
            --orange-light: #FFD093;
            --coral-pink: #FF6B6B;
            --coral-soft: #FF9999;
            --blue-ocean: #4A90E2;
            --blue-sky: #87CEEB;
            --gold-sun: #FFD700;
            --gold-light: #FFF3C4;
            
            /* Neutral Colors */
            --white: #FFFFFF;
            --off-white: #FAFAFA;
            --cream: #FFF8F3;
            --gray-50: #F9FAFB;
            --gray-100: #F3F4F6;
            --gray-200: #E5E7EB;
            --gray-300: #D1D5DB;
            --gray-400: #9CA3AF;
            --gray-500: #6B7280;
            --gray-600: #4B5563;
            --gray-700: #374151;
            --gray-800: #1F2937;
            --gray-900: #111827;
            
            /* Semantic Colors */
            --color-primary: var(--teal-bright);
            --color-secondary: var(--orange-vibrant);
            --color-accent: var(--coral-pink);
            --color-success: #10B981;
            --color-warning: var(--orange-warm);
            --color-error: #EF4444;
            --color-info: var(--blue-ocean);
            
            /* Gradients */
            --gradient-primary: linear-gradient(135deg, var(--teal-deep) 0%, var(--teal-bright) 50%, var(--teal-light) 100%);
            --gradient-sunset: linear-gradient(135deg, var(--orange-vibrant) 0%, var(--coral-pink) 50%, var(--gold-sun) 100%);
            --gradient-ocean: linear-gradient(135deg, var(--blue-ocean) 0%, var(--teal-bright) 50%, var(--teal-light) 100%);
            --gradient-warm: linear-gradient(135deg, var(--gold-sun) 0%, var(--orange-warm) 50%, var(--coral-soft) 100%);
            
            /* Typography System */
            --font-display: 'Playfair Display', Georgia, serif;
            --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'JetBrains Mono', 'Courier New', monospace;
            
            /* Font Sizes - Fluid Typography */
            --text-xs: clamp(0.75rem, 1.5vw, 0.875rem);
            --text-sm: clamp(0.875rem, 2vw, 1rem);
            --text-base: clamp(1rem, 2.5vw, 1.125rem);
            --text-lg: clamp(1.125rem, 3vw, 1.25rem);
            --text-xl: clamp(1.25rem, 3.5vw, 1.5rem);
            --text-2xl: clamp(1.5rem, 4vw, 2rem);
            --text-3xl: clamp(2rem, 5vw, 3rem);
            --text-4xl: clamp(2.5rem, 6vw, 4rem);
            --text-5xl: clamp(3rem, 7vw, 5rem);
            
            /* Spacing Scale */
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.5rem;
            --space-lg: 2rem;
            --space-xl: 3rem;
            --space-2xl: 4rem;
            --space-3xl: 6rem;
            --space-4xl: 8rem;
            
            /* Layout */
            --container-max: 1400px;
            --header-height: 90px;
            
            /* Shadows - Professional Depth */
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-sm: 0 2px 4px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-lg: 0 10px 15px rgba(0,0,0,0.08), 0 4px 6px rgba(0,0,0,0.04);
            --shadow-xl: 0 20px 25px rgba(0,0,0,0.08), 0 10px 10px rgba(0,0,0,0.04);
            --shadow-2xl: 0 25px 50px rgba(0,0,0,0.15);
            --shadow-inner: inset 0 2px 4px rgba(0,0,0,0.06);
            --shadow-glow-teal: 0 0 30px rgba(23,162,184,0.3);
            --shadow-glow-orange: 0 0 30px rgba(255,140,66,0.3);
            
            /* Animations */
            --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-spring: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
            
            /* Border Radius */
            --radius-sm: 0.25rem;
            --radius-md: 0.5rem;
            --radius-lg: 1rem;
            --radius-xl: 1.5rem;
            --radius-full: 9999px;
        }
        
        /* ==========================================================================
           CSS Reset & Base Styles
           ========================================================================== */
        
        *, *::before, *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }
        
        body {
            font-family: var(--font-body);
            font-weight: 400;
            line-height: 1.6;
            color: var(--gray-800);
            background: var(--cream);
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }
        
        /* Background Pattern */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                radial-gradient(circle at 20% 50%, rgba(255,140,66,0.03) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(23,162,184,0.03) 0%, transparent 50%),
                radial-gradient(circle at 40% 20%, rgba(255,215,0,0.02) 0%, transparent 40%);
            pointer-events: none;
            z-index: -1;
        }
        
        /* Typography */
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.1;
            color: var(--gray-900);
            margin-bottom: var(--space-sm);
        }
        
        h1 { font-size: var(--text-5xl); }
        h2 { font-size: var(--text-4xl); }
        h3 { font-size: var(--text-3xl); }
        h4 { font-size: var(--text-2xl); }
        h5 { font-size: var(--text-xl); }
        h6 { font-size: var(--text-lg); }
        
        p {
            margin-bottom: var(--space-md);
            color: var(--gray-700);
        }
        
        a {
            color: var(--teal-bright);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        
        a:hover {
            color: var(--teal-deep);
        }
        
        /* Focus Styles for Accessibility */
        :focus-visible {
            outline: 2px solid var(--teal-bright);
            outline-offset: 2px;
        }
        
        /* Skip to Content Link */
        .skip-to-content {
            position: absolute;
            top: -40px;
            left: 0;
            background: var(--teal-bright);
            color: white;
            padding: var(--space-xs) var(--space-md);
            border-radius: var(--radius-md);
            z-index: 10000;
            text-decoration: none;
        }
        
        .skip-to-content:focus {
            top: var(--space-sm);
        }
        
        /* ==========================================================================
           Professional Header with Glass Effect
           ========================================================================== */
        
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(23, 162, 184, 0.1);
            z-index: 1000;
            transition: all var(--transition-base);
        }
        
        header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: var(--shadow-lg);
        }
        
        nav {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--space-lg);
            height: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            font-family: var(--font-display);
            font-size: 1.75rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--gray-900);
            transition: transform var(--transition-base);
        }
        
        .logo:hover {
            transform: scale(1.05);
            color: var(--gray-900);
        }
        
        .logo img {
            width: 65px;
            height: 65px;
            border-radius: 50%;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            border: 3px solid transparent;
            background: linear-gradient(white, white) padding-box,
                        var(--gradient-sunset) border-box;
        }
        
        .logo:hover img {
            transform: rotate(10deg) scale(1.1);
            box-shadow: var(--shadow-lg), var(--shadow-glow-orange);
        }
        
        /* Navigation Links */
        .nav-links {
            display: flex;
            gap: var(--space-xl);
            list-style: none;
            align-items: center;
        }
        
        .nav-links a {
            font-weight: 600;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--gray-700);
            position: relative;
            padding: var(--space-xs) 0;
            transition: color var(--transition-base);
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--gradient-sunset);
            transition: width var(--transition-base);
            border-radius: var(--radius-full);
        }
        
        .nav-links a:hover {
            color: var(--teal-bright);
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        /* CTA Button in Nav */
        .nav-cta {
            background: var(--gradient-sunset);
            color: white !important;
            padding: var(--space-sm) var(--space-lg) !important;
            border-radius: var(--radius-full);
            font-weight: 700 !important;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
        }
        
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-xl), var(--shadow-glow-orange);
        }
        
        .nav-cta::after {
            display: none;
        }
        
        /* Mobile Menu Toggle */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: var(--space-xs);
        }
        
        .menu-toggle span {
            display: block;
            width: 28px;
            height: 3px;
            background: var(--teal-bright);
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
        }
        
        /* ==========================================================================
           Hero Section - Premium Full-Screen Design
           ========================================================================== */
        
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            padding: calc(var(--header-height) + var(--space-xl)) var(--space-lg) var(--space-3xl);
            background: linear-gradient(135deg, var(--cream) 0%, var(--white) 50%, var(--gold-light) 100%);
            overflow: hidden;
        }
        
        /* Animated Background Blobs */
        .hero::before,
        .hero::after,
        .hero .blob-1,
        .hero .blob-2 {
            position: absolute;
            border-radius: 50%;
            filter: blur(80px);
            opacity: 0.4;
            animation: float 20s ease-in-out infinite;
        }
        
        .hero::before {
            content: '';
            width: 600px;
            height: 600px;
            background: var(--gradient-sunset);
            top: -200px;
            right: -200px;
        }
        
        .hero::after {
            content: '';
            width: 800px;
            height: 800px;
            background: var(--gradient-ocean);
            bottom: -300px;
            left: -300px;
            animation-delay: -10s;
        }
        
        @keyframes float {
            0%, 100% { transform: translate(0, 0) scale(1); }
            25% { transform: translate(50px, -50px) scale(1.1); }
            50% { transform: translate(-30px, 30px) scale(0.95); }
            75% { transform: translate(-50px, -30px) scale(1.05); }
        }
        
        .hero-content {
            max-width: 1000px;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        
        .hero-badge {
            display: inline-block;
            background: var(--gradient-sunset);
            color: white;
            padding: var(--space-xs) var(--space-md);
            border-radius: var(--radius-full);
            font-size: var(--text-sm);
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: var(--space-lg);
            box-shadow: var(--shadow-md);
            animation: slideDown 1s ease-out;
        }
        
        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .hero h1 {
            margin-bottom: var(--space-lg);
            animation: slideUp 1s ease-out 0.2s both;
        }
        
        .hero h1 .gradient-text {
            background: var(--gradient-sunset);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hero .tagline {
            font-size: var(--text-xl);
            color: var(--gray-600);
            margin-bottom: var(--space-xl);
            font-weight: 400;
            animation: slideUp 1s ease-out 0.4s both;
        }
        
        @keyframes slideUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        /* CTA Buttons */
        .cta-buttons {
            display: flex;
            gap: var(--space-md);
            justify-content: center;
            flex-wrap: wrap;
            animation: slideUp 1s ease-out 0.6s both;
        }
        
        .btn {
            padding: var(--space-md) var(--space-xl);
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: var(--text-base);
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            cursor: pointer;
            border: 3px solid transparent;
            display: inline-flex;
            align-items: center;
            gap: var(--space-sm);
            text-decoration: none;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }
        
        .btn::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
        }
        
        .btn:hover::before {
            width: 300px;
            height: 300px;
        }
        
        .btn-primary {
            background: var(--gradient-sunset);
            color: white;
        }
        
        .btn-primary:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: var(--shadow-xl), var(--shadow-glow-orange);
        }
        
        .btn-secondary {
            background: white;
            color: var(--teal-bright);
            border-color: var(--teal-bright);
        }
        
        .btn-secondary:hover {
            background: var(--teal-bright);
            color: white;
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl), var(--shadow-glow-teal);
        }
        
        /* Scroll Indicator */
        .scroll-indicator {
            position: absolute;
            bottom: var(--space-xl);
            left: 50%;
            transform: translateX(-50%);
            animation: bounce 2s ease-in-out infinite;
        }
        
        @keyframes bounce {
            0%, 100% { transform: translateX(-50%) translateY(0); }
            50% { transform: translateX(-50%) translateY(10px); }
        }
        
        /* ==========================================================================
           Stats Section - Social Proof
           ========================================================================== */
        
        .stats {
            padding: var(--space-3xl) var(--space-lg);
            background: var(--gradient-ocean);
            position: relative;
            overflow: hidden;
        }
        
        .stats::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
        }
        
        .stats-container {
            max-width: var(--container-max);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--space-xl);
            position: relative;
            z-index: 1;
        }
        
        .stat-card {
            text-align: center;
            padding: var(--space-lg);
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-xl);
            backdrop-filter: blur(10px);
            transition: all var(--transition-base);
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-2xl);
        }
        
        .stat-number {
            font-size: var(--text-4xl);
            font-weight: 800;
            background: var(--gradient-sunset);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: var(--space-xs);
        }
        
        .stat-label {
            color: var(--gray-700);
            font-size: var(--text-base);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        
        /* ==========================================================================
           Featured Samples Gallery
           ========================================================================== */
        
        .featured-samples {
            padding: var(--space-4xl) var(--space-lg);
            background: white;
        }
        
        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto var(--space-3xl);
        }
        
        .section-header h2 {
            margin-bottom: var(--space-md);
            background: var(--gradient-ocean);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .section-header p {
            font-size: var(--text-xl);
            color: var(--gray-600);
        }
        
        /* Gallery Grid */
        .samples-masonry {
            max-width: var(--container-max);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: var(--space-lg);
            grid-auto-flow: dense;
        }
        
        .sample-card {
            position: relative;
            background: white;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-slow);
            cursor: pointer;
            transform-style: preserve-3d;
            border: 3px solid transparent;
            background: linear-gradient(white, white) padding-box,
                        var(--gradient-sunset) border-box;
        }
        
        .sample-card:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: var(--shadow-2xl), var(--shadow-glow-orange);
        }
        
        /* Varied Heights for Masonry */
        .sample-card:nth-child(3n+1) { grid-row: span 2; }
        .sample-card:nth-child(4n+2) { grid-row: span 3; }
        
        .sample-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        
        .sample-card:hover .sample-image {
            transform: scale(1.1);
        }
        
        .sample-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, 
                rgba(14, 124, 134, 0.95) 0%, 
                rgba(14, 124, 134, 0.6) 40%, 
                transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: var(--space-lg);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        
        .sample-card:hover .sample-overlay {
            opacity: 1;
        }
        
        .sample-title {
            color: white;
            font-size: var(--text-2xl);
            font-weight: 700;
            margin-bottom: var(--space-xs);
            transform: translateY(20px);
            transition: transform var(--transition-base);
        }
        
        .sample-card:hover .sample-title {
            transform: translateY(0);
        }
        
        .sample-category {
            color: var(--gold-sun);
            font-size: var(--text-sm);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            transform: translateY(20px);
            transition: transform var(--transition-base) 0.1s;
        }
        
        .sample-card:hover .sample-category {
            transform: translateY(0);
        }
        
        /* ==========================================================================
           Books Showcase
           ========================================================================== */
        
        .books {
            padding: var(--space-4xl) var(--space-lg);
            background: linear-gradient(180deg, white 0%, var(--cream) 100%);
        }
        
        .books-grid {
            max-width: var(--container-max);
            margin: var(--space-3xl) auto 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: var(--space-xl);
        }
        
        .book-card {
            background: white;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-slow);
            position: relative;
            display: flex;
            flex-direction: column;
            border: 2px solid transparent;
        }
        
        .book-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: var(--gradient-sunset);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-base);
        }
        
        .book-card:hover::before {
            transform: scaleX(1);
        }
        
        .book-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-2xl);
            border-color: var(--orange-vibrant);
        }
        
        .book-cover-container {
            position: relative;
            height: 400px;
            overflow: hidden;
            background: var(--gradient-ocean);
        }
        
        .book-cover {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        
        .book-card:hover .book-cover {
            transform: scale(1.05);
        }
        
        .book-badge {
            position: absolute;
            top: var(--space-md);
            right: var(--space-md);
            background: var(--gradient-sunset);
            color: white;
            padding: var(--space-xs) var(--space-sm);
            border-radius: var(--radius-full);
            font-size: var(--text-xs);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            box-shadow: var(--shadow-lg);
        }
        
        .book-info {
            padding: var(--space-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        
        .book-title {
            font-size: var(--text-2xl);
            font-weight: 700;
            color: var(--gray-900);
            margin-bottom: var(--space-sm);
        }
        
        .book-description {
            color: var(--gray-600);
            line-height: 1.6;
            margin-bottom: var(--space-lg);
            flex: 1;
        }
        
        .book-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: var(--space-md);
            border-top: 2px solid var(--gray-100);
            margin-bottom: var(--space-md);
        }
        
        .book-price {
            font-size: var(--text-2xl);
            font-weight: 800;
            color: var(--teal-bright);
        }
        
        .book-pages {
            color: var(--gray-500);
            font-size: var(--text-sm);
        }
        
        .book-rating {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            margin-bottom: var(--space-md);
        }
        
        .stars {
            color: var(--gold-sun);
        }
        
        .rating-count {
            color: var(--gray-500);
            font-size: var(--text-sm);
        }
        
        .amazon-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--space-sm);
            padding: var(--space-md);
            background: linear-gradient(135deg, #FF9900, #FF6600);
            color: white;
            border-radius: var(--radius-lg);
            font-weight: 700;
            font-size: var(--text-base);
            transition: all var(--transition-base);
            text-decoration: none;
        }
        
        .amazon-btn:hover {
            transform: scale(1.05);
            box-shadow: var(--shadow-xl);
            color: white;
        }
        
        /* ==========================================================================
           About Section
           ========================================================================== */
        
        .about {
            padding: var(--space-4xl) 0;
            background: white;
        }
        
        .about-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--space-lg);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-4xl);
            align-items: center;
        }
        
        .about-image {
            position: relative;
        }
        
        .about-image img {
            width: 100%;
            max-width: 500px;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-2xl);
        }
        
        .about-image::before,
        .about-image::after {
            content: '';
            position: absolute;
            border-radius: var(--radius-xl);
            z-index: -1;
        }
        
        .about-image::before {
            inset: -20px;
            background: var(--gradient-sunset);
            opacity: 0.2;
            filter: blur(40px);
        }
        
        .about-content h2 {
            margin-bottom: var(--space-lg);
            background: var(--gradient-ocean);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .about-content .highlight {
            color: var(--orange-vibrant);
            font-weight: 700;
        }
        
        /* ==========================================================================
           Testimonials Section
           ========================================================================== */
        
        .testimonials {
            padding: var(--space-4xl) var(--space-lg);
            background: var(--gray-50);
        }
        
        .testimonials-grid {
            max-width: var(--container-max);
            margin: var(--space-3xl) auto 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--space-lg);
        }
        
        .testimonial-card {
            background: white;
            padding: var(--space-lg);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
        }
        
        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-xl);
        }
        
        .testimonial-stars {
            color: var(--gold-sun);
            margin-bottom: var(--space-sm);
        }
        
        .testimonial-text {
            color: var(--gray-700);
            font-style: italic;
            margin-bottom: var(--space-md);
            line-height: 1.8;
        }
        
        .testimonial-author {
            font-weight: 700;
            color: var(--gray-900);
        }
        
        .testimonial-book {
            color: var(--gray-500);
            font-size: var(--text-sm);
        }
        
        /* ==========================================================================
           Newsletter Section
           ========================================================================== */
        
        .newsletter {
            padding: var(--space-4xl) var(--space-lg);
            background: var(--gradient-ocean);
            position: relative;
            overflow: hidden;
        }
        
        .newsletter::before {
            content: '';
            position: absolute;
            width: 800px;
            height: 800px;
            background: var(--gradient-sunset);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            opacity: 0.1;
            filter: blur(100px);
        }
        
        .newsletter-container {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        
        .newsletter h2 {
            color: white;
            margin-bottom: var(--space-md);
        }
        
        .newsletter p {
            color: rgba(255, 255, 255, 0.9);
            font-size: var(--text-lg);
            margin-bottom: var(--space-xl);
        }
        
        .newsletter-form {
            display: flex;
            gap: var(--space-md);
            max-width: 500px;
            margin: 0 auto;
        }
        
        .newsletter-form input {
            flex: 1;
            padding: var(--space-md);
            border: 2px solid transparent;
            border-radius: var(--radius-full);
            font-size: var(--text-base);
            background: white;
            transition: all var(--transition-base);
        }
        
        .newsletter-form input:focus {
            outline: none;
            border-color: var(--orange-vibrant);
            box-shadow: 0 0 0 4px rgba(255, 140, 66, 0.2);
        }
        
        .newsletter-form button {
            padding: var(--space-md) var(--space-xl);
            background: var(--gradient-sunset);
            color: white;
            border: none;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: var(--text-base);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        
        .newsletter-form button:hover {
            transform: scale(1.05);
            box-shadow: var(--shadow-xl), var(--shadow-glow-orange);
        }
        
        /* ==========================================================================
           Footer
           ========================================================================== */
        
        footer {
            background: var(--gray-900);
            color: var(--gray-300);
            padding: var(--space-3xl) var(--space-lg) var(--space-lg);
        }
        
        .footer-container {
            max-width: var(--container-max);
            margin: 0 auto;
        }
        
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-xl);
            padding-bottom: var(--space-xl);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .footer-brand h3 {
            color: white;
            margin-bottom: var(--space-md);
            font-size: 1.75rem;
            letter-spacing: -0.02em;
        }
        
        .footer-brand p {
            color: var(--gray-400);
            margin-bottom: var(--space-lg);
        }
        
        .social-links {
            display: flex;
            gap: var(--space-sm);
        }
        
        .social-link {
            width: 45px;
            height: 45px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            transition: all var(--transition-base);
            font-size: 1.25rem;
            color: white;
        }
        
        .social-link:hover {
            background: var(--gradient-sunset);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            color: white;
        }
        
        .footer-column h4 {
            color: white;
            font-size: var(--text-base);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: var(--space-md);
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column li {
            margin-bottom: var(--space-sm);
        }
        
        .footer-column a {
            color: var(--gray-400);
            transition: color var(--transition-base);
        }
        
        .footer-column a:hover {
            color: var(--orange-vibrant);
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: var(--space-xl);
            color: var(--gray-500);
        }
        
        /* ==========================================================================
           Accessibility & Performance
           ========================================================================== */
        
        /* Reduced Motion */
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }
        
        /* Loading States */
        .skeleton {
            background: linear-gradient(90deg, 
                var(--gray-200) 25%, 
                var(--gray-300) 50%, 
                var(--gray-200) 75%);
            background-size: 200% 100%;
            animation: loading 1.5s ease-in-out infinite;
        }
        
        @keyframes loading {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }
        
        /* Fade In Animation */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all var(--transition-slow);
        }
        
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* ==========================================================================
           Responsive Design
           ========================================================================== */
        
        @media (max-width: 1024px) {
            .about-container {
                grid-template-columns: 1fr;
                text-align: center;
            }
            
            .about-image {
                margin-bottom: var(--space-xl);
            }
            
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-xl);
            }
        }
        
        @media (max-width: 768px) {
            :root {
                font-size: 14px;
            }
            
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: white;
                flex-direction: column;
                padding: var(--space-lg);
                box-shadow: var(--shadow-xl);
                gap: var(--space-md);
                border-radius: 0 0 var(--radius-xl) var(--radius-xl);
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .menu-toggle {
                display: flex;
            }
            
            .hero {
                min-height: 80vh;
            }
            
            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }
            
            .btn {
                width: 100%;
                justify-content: center;
            }
            
            .stats-container {
                grid-template-columns: 1fr;
            }
            
            .samples-masonry {
                grid-template-columns: 1fr;
            }
            
            .sample-card:nth-child(n) {
                grid-row: span 1;
            }
            
            .books-grid {
                grid-template-columns: 1fr;
            }
            
            .newsletter-form {
                flex-direction: column;
            }
            
            .footer-top {
                grid-template-columns: 1fr;
                text-align: center;
            }
            
            .social-links {
                justify-content: center;
            }
        }
        
        /* Print Styles */
        @media print {
            header, footer, .newsletter, .stats {
                display: none;
            }
            
            .book-card {
                page-break-inside: avoid;
            }
        }