/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-gold: #D4AF37;
    --dark-gold: #B8941F;
    --light-gold: #F4E4BC;
    --deep-black: #0A0A0A;
    --rich-black: #1A1A1A;
    --dark-blue: #1E2A4A;
    --pure-white: #FFFFFF;
    --light-gray: #F8F8F8;
    --medium-gray: #666666;
    --gradient-gold: linear-gradient(135deg, #D4AF37 0%, #F4E4BC 100%);
    --gradient-dark: linear-gradient(135deg, #0A0A0A 0%, #1A1A1A 100%);
    --gradient-hero: linear-gradient(135deg, rgba(10,10,10,0.95) 0%, rgba(26,26,26,0.9) 50%, rgba(30,42,74,0.8) 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--pure-white);
    background: var(--deep-black);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: var(--gradient-gold);
    z-index: 9999;
    transition: width 0.3s ease;
}

/* Floating CTA */
.floating-cta {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.floating-cta.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Particles Background */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
}

/* Typography */
h1, h2, h3 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    line-height: 1.2;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--gradient-gold);
    border-radius: 2px;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-gold) 0%, #F4E4BC 50%, var(--primary-gold) 100%);
    color: var(--rich-black);
    border: none;
    padding: 18px 36px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover, .btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(212, 175, 55, 0.5);
}

.btn-primary.large, .btn-hero.large {
    padding: 24px 48px;
    font-size: 1.3rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--deep-black) 0%, #2A2A2A 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Orchestra Silhouette */
.orchestra-silhouette {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40%;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 300"><path d="M0,300 L50,250 L100,280 L150,240 L200,270 L250,230 L300,260 L350,220 L400,250 L450,210 L500,240 L550,200 L600,230 L650,190 L700,220 L750,180 L800,210 L850,170 L900,200 L950,160 L1000,190 L1050,150 L1100,180 L1150,140 L1200,170 L1200,300 Z" fill="rgba(0,0,0,0.6)"/></svg>');
    background-size: cover;
    background-position: bottom;
}

/* Musical Staff */
.musical-staff {
    position: absolute;
    top: 20%;
    left: 10%;
    width: 300px;
    height: 80px;
    opacity: 0.1;
    transform: rotate(-15deg);
}

.staff-line {
    width: 100%;
    height: 2px;
    background: var(--primary-gold);
    margin-bottom: 15px;
    animation: staffGlow 4s ease-in-out infinite;
}

@keyframes staffGlow {
    0%, 100% { opacity: 0.1; box-shadow: none; }
    50% { opacity: 0.3; box-shadow: 0 0 10px var(--primary-gold); }
}

/* Floating Notes */
.floating-notes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-notes .note {
    position: absolute;
    color: var(--primary-gold);
    font-size: 2rem;
    opacity: 0.2;
    animation: floatNotes 20s ease-in-out infinite;
    font-family: 'Times New Roman', serif;
}

.note-1 { top: 15%; left: 5%; animation-delay: 0s; font-size: 1.8rem; }
.note-2 { top: 25%; left: 85%; animation-delay: 2s; font-size: 2.2rem; }
.note-3 { top: 45%; left: 15%; animation-delay: 4s; font-size: 1.5rem; }
.note-4 { top: 65%; left: 75%; animation-delay: 6s; font-size: 2rem; }
.note-5 { top: 35%; left: 90%; animation-delay: 8s; font-size: 1.7rem; }
.note-6 { top: 75%; left: 25%; animation-delay: 10s; font-size: 2.3rem; }
.note-7 { top: 55%; left: 5%; animation-delay: 12s; font-size: 1.9rem; }
.note-8 { top: 85%; left: 95%; animation-delay: 14s; font-size: 1.6rem; }

@keyframes floatNotes {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg) scale(1); 
        opacity: 0.1; 
    }
    25% { 
        transform: translateY(-30px) rotate(90deg) scale(1.1); 
        opacity: 0.3; 
    }
    50% { 
        transform: translateY(-15px) rotate(180deg) scale(0.9); 
        opacity: 0.2; 
    }
    75% { 
        transform: translateY(-40px) rotate(270deg) scale(1.2); 
        opacity: 0.4; 
    }
}

/* Golden Particles */
.golden-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, var(--primary-gold), transparent),
        radial-gradient(2px 2px at 40px 70px, var(--primary-gold), transparent),
        radial-gradient(1px 1px at 90px 40px, var(--primary-gold), transparent),
        radial-gradient(1px 1px at 130px 80px, var(--primary-gold), transparent),
        radial-gradient(2px 2px at 160px 30px, var(--primary-gold), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: sparkle 15s linear infinite;
    opacity: 0.3;
}

@keyframes sparkle {
    0%, 100% { transform: translateY(0px); opacity: 0.3; }
    50% { transform: translateY(-100px); opacity: 0.1; }
}

/* Hero Layout */
.hero-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
    justify-items: center;
    z-index: 2;
    position: relative;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
    z-index: 2;
    position: relative;
}

.hero-price {
    text-align: center;
    margin: 2rem 0;
    color: #fff;
    text-shadow: 0 4px 20px rgba(212, 175, 55, 0.3);
}

.hero-content .btn-hero {
    display: block;
    margin: 2rem auto;
    text-align: center;
}

.trust-badges {
    justify-content: center;
}

.highlight {
    background: linear-gradient(135deg, #D4AF37 0%, #F4E4BC 50%, #D4AF37 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-top: 0.5rem;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 2rem;
    color: #fff;
    text-shadow: 0 4px 20px rgba(212, 175, 55, 0.3);
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    color: #E0E0E0;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-price {
    margin-bottom: 2rem;
}

.original-price {
    font-size: 1.6rem;
    text-decoration: line-through;
    color: #888;
    font-weight: 600;
    opacity: 0.9;
    margin-right: 15px;
}

.current-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-gold);
}

.trust-badges {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.trust-badges span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--light-gray);
    font-size: 0.9rem;
}

.trust-badges i {
    color: var(--primary-gold);
}

/* 3D Book Design */
.hero-book {
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1200px;
    justify-self: center;
}

.book-3d-hero {
    position: relative;
    width: 320px;
    height: 450px;
    transform-style: preserve-3d;
    animation: bookFloat 8s ease-in-out infinite;
    cursor: pointer;
    transition: transform 0.4s ease;
}

.book-3d-hero:hover {
    transform: rotateY(-30deg) rotateX(8deg) scale(1.08);
}

@keyframes bookFloat {
    0%, 100% { transform: rotateY(-20deg) rotateX(8deg) translateY(0px); }
    50% { transform: rotateY(-20deg) rotateX(8deg) translateY(-20px); }
}

/* Hardcover Left Side */
.book-hardcover-left {
    position: absolute;
    left: -45px;
    top: -5px;
    width: 50px;
    height: calc(100% + 10px);
    background: linear-gradient(to right, #3A2A17, #4A3A27, #5A4A37);
    border-radius: 25px 0 0 25px;
    transform: rotateY(-90deg);
    transform-origin: right;
    box-shadow: 
        inset 0 0 40px rgba(0,0,0,0.6),
        inset -10px 0 25px rgba(0,0,0,0.4),
        -6px 0 25px rgba(0,0,0,0.5);
    z-index: -1;
}

/* Book Pages */
.book-pages {
    position: absolute;
    right: -12px;
    top: 5px;
    width: 100%;
    height: calc(100% - 10px);
    transform-style: preserve-3d;
}

.page {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, #F8F8F8 0%, #E8E8E8 100%);
    border: 1px solid #D0D0D0;
    border-radius: 0 8px 8px 0;
    box-shadow: 
        inset -2px 0 4px rgba(0,0,0,0.1),
        2px 0 8px rgba(0,0,0,0.15);
}

.page-1 { transform: translateZ(-8px) translateX(-3px); }
.page-2 { transform: translateZ(-16px) translateX(-6px); }
.page-3 { transform: translateZ(-24px) translateX(-9px); }
.page-4 { transform: translateZ(-32px) translateX(-12px); }
.page-5 { transform: translateZ(-40px) translateX(-15px); }
.page-6 { transform: translateZ(-48px) translateX(-18px); }
.page-7 { transform: translateZ(-56px) translateX(-21px); }
.page-8 { transform: translateZ(-64px) translateX(-24px); }
.page-9 { transform: translateZ(-72px) translateX(-27px); }
.page-10 { transform: translateZ(-80px) translateX(-30px); }

/* Book Spine */
.book-spine {
    position: absolute;
    left: -35px;
    top: 0;
    width: 35px;
    height: 100%;
    background: linear-gradient(to right, #4A3A27, #5A4A37, #6B5B47, #8B7355);
    transform: rotateY(-90deg);
    transform-origin: right;
    border-radius: 15px 0 0 15px;
    box-shadow: 
        inset 0 0 30px rgba(0,0,0,0.5),
        inset -5px 0 15px rgba(0,0,0,0.3),
        -4px 0 20px rgba(0,0,0,0.4);
}

/* Book Back */
.book-back {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2C2C2C 0%, #1A1A1A 100%);
    transform: translateZ(-90px);
    border-radius: 0 8px 8px 0;
    box-shadow: 
        inset 0 0 50px rgba(0,0,0,0.5),
        0 0 30px rgba(0,0,0,0.3);
}

/* Book Front Cover */
.book-front {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2C2C2C 0%, #1A1A1A 50%, #0F0F0F 100%);
    border-radius: 0 8px 8px 0;
    box-shadow: 
        0 25px 50px rgba(0,0,0,0.5),
        inset 0 0 0 3px rgba(212,175,55,0.4),
        inset 0 0 60px rgba(212,175,55,0.15),
        inset -8px 0 20px rgba(0,0,0,0.3);
    transform: translateZ(45px);
    overflow: hidden;
}

/* Book Cover Content */
.book-cover-content {
    position: relative;
    z-index: 2;
    padding: 50px 40px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 25px;
}

.edition-badge {
    background: var(--gradient-gold);
    color: var(--deep-black);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(212,175,55,0.3);
    margin-bottom: 10px;
}

.book-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--pure-white);
    line-height: 1.1;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
}

.golden-text {
    color: var(--primary-gold);
    text-shadow: 0 0 20px rgba(212,175,55,0.5);
}

.book-subtitle {
    font-size: 1.1rem;
    color: var(--light-gray);
    margin: 0;
    line-height: 1.4;
}

.divider-line {
    width: 100px;
    height: 3px;
    background: var(--gradient-gold);
    margin: 0 auto;
    border-radius: 2px;
}

.book-tagline {
    font-size: 0.95rem;
    color: var(--medium-gray);
    font-weight: 500;
    letter-spacing: 1.5px;
    margin: 0;
}

/* Book Shadow */
.book-shadow {
    position: absolute;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 250px;
    height: 30px;
    background: radial-gradient(ellipse, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.2) 50%, transparent 70%);
    border-radius: 50%;
    animation: shadowPulse 8s ease-in-out infinite;
    filter: blur(8px);
}

@keyframes shadowPulse {
    0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.4; }
    50% { transform: translateX(-50%) scale(1.2); opacity: 0.6; }
}

/* Pain Points Section */
.pain-points {
    padding: 100px 0;
    background: var(--rich-black);
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.pain-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.pain-card:hover {
    transform: translateY(-8px);
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: 0 15px 30px rgba(212, 175, 55, 0.15);
}

.pain-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--deep-black);
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease;
}

.pain-card h3 {
    position: relative;
    z-index: 2;
    margin-bottom: 15px;
    color: white;
}

.pain-card p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--light-gray);
    position: relative;
    z-index: 2;
}

.pain-card:hover .pain-icon {
    transform: scale(1.1);
}

/* Solution Section */
.solution {
    padding: 100px 0;
    background: var(--deep-black);
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.solution-card {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(30, 42, 74, 0.1) 100%);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 25px;
    padding: 50px 40px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.solution-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-gold);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.solution-card:hover::after {
    opacity: 0.05;
}

.solution-card:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: var(--primary-gold);
    box-shadow: 0 25px 50px rgba(212, 175, 55, 0.3);
}

.solution-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 30px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--deep-black);
    transition: all 0.3s ease;
}

.solution-card:hover .solution-icon {
    transform: scale(1.1) rotate(360deg);
}

.solution-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-gold);
}

.solution-card p {
    color: var(--light-gray);
    line-height: 1.6;
}

/* Content Preview Section */
.content-preview {
    padding: 100px 0;
    background: var(--rich-black);
}

.sample-pages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.sample-page {
    perspective: 1000px;
}

.page-image-container {
    background: var(--pure-white);
    padding: 1rem;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.1);
    transform: rotateY(-5deg) rotateX(5deg);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.sample-page:hover .page-image-container {
    transform: rotateY(0deg) rotateX(0deg);
    box-shadow: 0 30px 60px rgba(212, 175, 55, 0.2);
}

.sample-page-image,
.sample-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    display: block;
    max-width: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.sample-page-mockup {
    background: var(--pure-white);
    color: var(--deep-black);
    padding: 2rem;
    border-radius: 10px;
    min-height: 500px;
    position: relative;
}

.sample-page-mockup .page-header {
    font-size: 0.9rem;
    color: var(--primary-gold);
    font-weight: 600;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--light-gold);
    padding-bottom: 0.5rem;
}

.page-content-text h4 {
    font-size: 1.2rem;
    margin: 1.5rem 0 0.8rem 0;
    color: var(--deep-black);
    font-weight: 600;
}

.page-content-text p {
    margin-bottom: 1rem;
    line-height: 1.6;
    color: var(--medium-gray);
    font-size: 0.95rem;
}

.sample-page-mockup .page-number {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    font-size: 0.8rem;
    color: var(--primary-gold);
    font-weight: 600;
    background: var(--primary-gold);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
}

.page-subtitle {
    font-size: 1rem;
    color: var(--primary-gold);
    font-weight: 500;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--light-gold);
}

.content-section {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
}

.icon-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--primary-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--primary-gold);
    flex-shrink: 0;
}

.highlight-box {
    background: var(--primary-gold);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.9rem;
}

.routine-icon, .musician-silhouette {
    font-size: 2rem;
    flex-shrink: 0;
}

.camera-icon, .audience-icon, .audition-icon, .brain-icon, .confidence-icon {
    margin-right: 8px;
}

.mock-audition-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
    padding: 1rem;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 10px;
}

.stage-setup {
    background: var(--pure-white);
    padding: 8px 16px;
    border-radius: 15px;
    font-weight: 500;
    color: var(--deep-black);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.chair-icon {
    font-size: 2rem;
}

/* 3D Book Viewer Styles */
.book-viewer {
    max-width: 800px;
    margin: 0 auto;
    perspective: 1200px;
}

.book-3d-container {
    position: relative;
    width: 100%;
    height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.book-page {
    position: absolute;
    width: 500px;
    height: 650px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform-style: preserve-3d;
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform-origin: left center;
    opacity: 0;
    pointer-events: none;
    overflow: hidden;
}

.book-page.active {
    opacity: 1;
    pointer-events: all;
    transform: rotateY(0deg);
}

.book-page.flipping-left {
    transform: rotateY(-180deg);
    z-index: 10;
}

.book-page.flipping-right {
    transform: rotateY(180deg);
    z-index: 10;
}

.book-page.turning-right {
    transform: rotateY(180deg);
    z-index: 10;
}

.book-cover {
    width: 100%;
    height: 100%;
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    background: linear-gradient(135deg, #2A2A2A 0%, #1A1A1A 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cover-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}

.page-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
    background: white;
}

.book-controls {
    position: absolute;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 2rem;
    z-index: 20;
}

.book-nav {
    background: var(--primary-gold);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.book-nav:hover:not(:disabled) {
    background: var(--light-gold);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

.book-nav:disabled {
    background: var(--medium-gray);
    cursor: not-allowed;
    opacity: 0.5;
}

.page-info {
    color: var(--light-gray);
    font-size: 0.9rem;
    font-style: italic;
    white-space: nowrap;
}

.book-cta {
    text-align: center;
    padding: 2rem;
    background: rgba(212, 175, 55, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    margin-top: 6rem;
}

/* External/* Enhanced Checkout Section */
.checkout-external {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--rich-black) 0%, var(--dark-blue) 100%);
    position: relative;
}

.checkout-external::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(212,175,55,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.checkout-info {
    position: relative;
    z-index: 2;
}

.checkout-card {
    background: rgba(26, 26, 26, 0.95);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(212, 175, 55, 0.2);
    backdrop-filter: blur(10px);
    max-width: 1000px;
    margin: 0 auto;
}

/* Unified Checkout Box */
.unified-checkout-box {
    background: rgba(212, 175, 55, 0.05);
    border: 2px solid rgba(212, 175, 55, 0.3);
    border-radius: 20px;
    padding: 30px;
    margin: 20px 0;
    backdrop-filter: blur(5px);
}

.product-showcase-unified {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 30px;
    align-items: center;
    margin-top: 25px;
}

.product-details {
    padding: 0;
}

.features-list-compact {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin: 20px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(212, 175, 55, 0.1);
    padding: 8px 15px;
    border-radius: 25px;
    font-size: 14px;
    color: var(--light-gray);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.feature-item i {
    color: var(--primary-gold);
    font-size: 16px;
}

.price-display {
    text-align: center;
    margin: 25px 0;
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 15px;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.price-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.original-price {
    font-size: 1.5rem;
    color: var(--medium-gray);
    text-decoration: line-through;
    opacity: 0.7;
}

.current-price {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-gold);
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
}

.savings-text {
    color: #4CAF50;
    font-weight: bold;
    font-size: 16px;
    background: rgba(76, 175, 80, 0.1);
    padding: 5px 15px;
    border-radius: 20px;
    display: inline-block;
}

/* Enhanced Urgency Header */
.urgency-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.flash-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(45deg, #FF4444, #FF6666);
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 1px;
    margin-bottom: 15px;
    animation: flash 2s infinite;
}

@keyframes flash {
    0%, 50%, 100% { opacity: 1; }
    25%, 75% { opacity: 0.7; }
}

.urgency-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #FF4444, var(--primary-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.countdown-timer {
    margin-bottom: 20px;
}

.timer-label {
    color: var(--light-gray);
    font-size: 14px;
    margin-bottom: 15px;
}

.timer-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.time-unit {
    text-align: center;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 10px;
    padding: 15px 10px;
    min-width: 60px;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.time-unit span {
    display: block;
    font-size: 28px;
    font-weight: bold;
    color: var(--primary-gold);
    line-height: 1;
}

.time-unit label {
    font-size: 10px;
    color: var(--light-gray);
    margin-top: 5px;
    display: block;
    letter-spacing: 1px;
}

.timer-separator {
    font-size: 24px;
    color: var(--primary-gold);
    font-weight: bold;
}

.scarcity-indicator {
    background: rgba(255, 68, 68, 0.1);
    border: 1px solid rgba(255, 68, 68, 0.3);
    border-radius: 25px;
    padding: 10px 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #FF6666;
    font-size: 14px;
    font-weight: 600;
}

.scarcity-indicator i {
    animation: flicker 1.5s infinite;
}

@keyframes flicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Enhanced Product Showcase */
.product-showcase {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    align-items: start;
}

.book-image-section {
    position: relative;
    text-align: center;
}

.discount-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: #FF4444;
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: bold;
    z-index: 3;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.bestseller-badge {
    position: absolute;
    top: -10px;
    left: 20px;
    background: var(--primary-gold);
    color: var(--deep-black);
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 12px;
    font-weight: bold;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 5px;
}

.book-3d-checkout {
    width: 200px;
    height: 260px;
    margin: 20px auto;
    position: relative;
    transform-style: preserve-3d;
    transform: rotateY(-15deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.book-3d-checkout:hover {
    transform: rotateY(-10deg) rotateX(2deg) scale(1.05);
}

.book-cover-checkout {
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    border-radius: 10px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.social-proof {
    margin-top: 20px;
}

.rating-stars {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    margin-bottom: 5px;
}

.rating-stars i {
    color: var(--primary-gold);
    font-size: 16px;
}

.rating-text {
    color: var(--light-gray);
    font-size: 14px;
}

/* Enhanced Product Info */
.product-info {
    padding: 20px 0;
}

.product-title {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary-gold);
}

.product-description {
    font-size: 16px;
    color: var(--light-gray);
    margin-bottom: 30px;
    line-height: 1.6;
}

/* Enhanced Features List */
.features-list {
    margin-bottom: 30px;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 15px;
    padding: 15px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature.premium {
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.feature.bonus {
    background: rgba(255, 68, 68, 0.05);
    border: 1px solid rgba(255, 68, 68, 0.2);
}

.feature:hover {
    transform: translateX(5px);
}

.feature i {
    color: var(--primary-gold);
    font-size: 20px;
    margin-top: 2px;
    flex-shrink: 0;
}

.feature.bonus i {
    color: #FF6666;
}

.feature-content {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.feature-content strong {
    color: var(--pure-white);
    font-size: 16px;
}

.feature-content span {
    color: var(--light-gray);
    font-size: 14px;
}

/* Enhanced Price Section */
.price-section {
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 30px;
}

.value-stack {
    margin-bottom: 20px;
}

.value-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.value-item:last-child {
    border-bottom: none;
}

.item-name {
    color: var(--light-gray);
    font-size: 14px;
}

.item-price {
    color: var(--light-gray);
    font-size: 14px;
    text-decoration: line-through;
}

.value-total {
    padding-top: 15px;
    border-top: 2px solid rgba(212, 175, 55, 0.3);
    margin-top: 15px;
}

.total-label {
    color: var(--pure-white);
    font-weight: 600;
    font-size: 16px;
}

.total-price {
    color: var(--primary-gold);
    font-weight: bold;
    font-size: 18px;
}

.current-offer {
    text-align: center;
}

.offer-label {
    color: var(--light-gray);
    font-size: 14px;
    margin-bottom: 10px;
}

.current-price {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-gold);
    margin-bottom: 10px;
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
}

.savings-badge {
    background: #FF4444;
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: bold;
    display: inline-block;
}

/* Enhanced CTA Button */
.btn-purchase.enhanced {
    width: 100%;
    background: linear-gradient(45deg, var(--primary-gold), #F4E4BC);
    color: var(--deep-black);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 25px;
    padding: 0;
    overflow: hidden;
    position: relative;
}

.btn-purchase.enhanced:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.4);
}

.btn-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 20px 30px;
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 1px;
}

.btn-subtext {
    background: rgba(0, 0, 0, 0.1);
    padding: 8px;
    font-size: 12px;
    text-align: center;
    opacity: 0.8;
}

/* Enhanced Trust Section */
.trust-section {
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    padding-top: 25px;
}

.payment-methods {
    margin-bottom: 20px;
}

.payment-label {
    color: var(--light-gray);
    font-size: 14px;
    margin-bottom: 10px;
    text-align: center;
}

.payment-icons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.payment-icons img {
    height: 28px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.payment-icons img:hover {
    opacity: 1;
}

.security-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.security-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--light-gray);
    font-size: 12px;
    padding: 8px 12px;
    background: rgba(212, 175, 55, 0.05);
    border-radius: 20px;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.security-badge i {
    color: var(--primary-gold);
}

.trust-indicators {
    display: flex;
    justify-content: space-around;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: #ccc;
    font-size: 0.8rem;
}

.trust-item i {
    color: #4CAF50;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .product-showcase {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }
    
    .trust-indicators {
        flex-direction: column;
        gap: 1rem;
    }
}

.pricing-section {
    text-align: left;
}

.price-comparison {
    margin-bottom: 1rem;
}

.old-price {
    font-size: 1.1rem;
    text-decoration: line-through;
    color: #999;
    margin-right: 1rem;
}

.new-price {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-gold);
}

.savings-badge {
    background: #4CAF50;
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: bold;
    display: inline-block;
}

.btn-purchase-now {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-gold), #B8941F);
    color: var(--deep-black);
    border: none;
    padding: 1.2rem 2rem;
    border-radius: 12px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0 1.5rem 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-purchase-now:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.4);
    background: linear-gradient(135deg, #E5C547, var(--primary-gold));
}

.trust-indicators {
    display: flex;
    justify-content: space-around;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: #ccc;
}

.trust-item i {
    color: var(--primary-gold);
    font-size: 1.2rem;
}

.btn-checkout {
    width: 100%;
    background: var(--primary-gold);
    color: var(--deep-black);
    border: none;
    padding: 1.5rem 2rem;
    border-radius: 15px;
    font-size: 1.3rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
}

.btn-checkout:hover {
    background: #B8941F;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.checkout-note {
    text-align: center;
    font-size: 0.9rem;
    color: #ccc;
    margin-top: 1rem;
}

.checkout-note i {
    color: var(--primary-gold);
    margin-right: 0.5rem;
}

/* Page flip animation */
@keyframes pageFlipLeft {
    0% { transform: rotateY(0deg); }
    50% { transform: rotateY(-90deg); }
    100% { transform: rotateY(-180deg); }
}

@keyframes pageFlipRight {
    0% { transform: rotateY(-180deg); }
    50% { transform: rotateY(-90deg); }
    100% { transform: rotateY(0deg); }
}

.book-page.flipping-left {
    animation: pageFlipLeft 0.8s ease-in-out forwards;
}

.book-page.flipping-right {
    animation: pageFlipRight 0.8s ease-in-out forwards;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .book-3d-container {
        height: 500px;
    }
    
    .book-page {
        width: 300px;
        height: 400px;
    }
    
    .book-nav {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .book-controls {
        bottom: -60px;
        gap: 1.5rem;
    }
    
    .page-info {
        font-size: 0.8rem;
    }
}

.sample-page:hover .sample-page-image,
.sample-page:hover .sample-image {
    transform: scale(1.02);
}

.page-image-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 0%, rgba(212, 175, 55, 0.05) 50%, transparent 100%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sample-page:hover .page-image-container::after {
    opacity: 1;
}

.page-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.page-content h4 {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    color: var(--deep-black);
    margin-bottom: 10px;
}

.page-content p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #333;
    margin-bottom: 15px;
}

.page-lines {
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, #DDD 0%, transparent 100%);
    margin: 8px 0;
}

.page-bullet, .page-timeline {
    font-size: 0.9rem;
    color: #555;
    margin: 5px 0;
    padding-left: 10px;
}

.page-timeline {
    font-weight: 600;
    color: var(--primary-gold);
}

.page-number {
    position: absolute;
    bottom: 15px;
    right: 20px;
    font-size: 0.8rem;
    color: var(--medium-gray);
    font-style: italic;
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background: var(--deep-black);
    text-align: center;
}

.price-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 60px 0;
}

.price-item {
    background: rgba(212, 175, 55, 0.05);
    border: 2px solid rgba(212, 175, 55, 0.2);
    border-radius: 20px;
    padding: 40px 30px;
    transition: all 0.3s ease;
}

.price-item.featured {
    background: var(--gradient-gold);
    border-color: var(--primary-gold);
    transform: scale(1.05);
    color: var(--deep-black);
}

.price-item:hover {
    transform: translateY(-10px);
    border-color: var(--primary-gold);
}

.price-item.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.price-item h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-gold);
    margin-bottom: 10px;
}

.price-item.featured .price {
    color: var(--deep-black);
}

.price span {
    font-size: 1rem;
    font-weight: 400;
}

.savings {
    background: var(--deep-black);
    color: var(--primary-gold);
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    margin-top: 15px;
    display: inline-block;
}

.payment-info {
    margin: 40px 0;
    color: var(--light-gray);
}

.payment-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.payment-badges i {
    font-size: 2rem;
    color: var(--primary-gold);
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background: var(--rich-black);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 15px;
    margin-bottom: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary-gold);
}

.faq-question {
    padding: 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(212, 175, 55, 0.1);
}

.faq-question h3 {
    font-size: 1.2rem;
    color: var(--light-gray);
}

.faq-question i {
    color: var(--primary-gold);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 30px 30px;
    color: var(--light-gray);
    line-height: 1.6;
}

/* Final CTA Section */
.final-cta {
    padding: 100px 0;
    background: var(--gradient-hero);
    text-align: center;
}

.cta-content h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: var(--light-gray);
}

.guarantee {
    margin-top: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--light-gray);
}

.guarantee i {
    color: var(--primary-gold);
    font-size: 1.2rem;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: linear-gradient(135deg, var(--rich-black) 0%, var(--deep-black) 100%);
    margin: 5% auto;
    padding: 40px;
    border: none;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    color: var(--light-gray);
}

.checkout-modal {
    max-width: 650px;
}

.close {
    color: var(--medium-gray);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--primary-gold);
}

.checkout-summary {
    margin-bottom: 30px;
}

.product-item {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: 20px;
    align-items: center;
    padding: 25px;
    background: rgba(212, 175, 55, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    margin-bottom: 20px;
}

.product-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mini-book {
    width: 60px;
    height: 80px;
    background: var(--gradient-gold);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
    transform: rotateY(-15deg) rotateX(5deg);
}

.mini-cover {
    font-size: 2rem;
}

.product-details h3 {
    color: var(--primary-gold);
    margin-bottom: 5px;
    font-size: 1.3rem;
}

.product-details p {
    color: var(--medium-gray);
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.feature {
    font-size: 0.85rem;
    color: var(--success-green);
}

.product-price {
    text-align: right;
}

.original-price {
    text-decoration: line-through;
    color: var(--medium-gray);
    font-size: 0.9rem;
}

.sale-price {
    color: var(--primary-gold);
    font-size: 1.5rem;
    font-weight: bold;
}

.order-total {
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 15px;
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.total-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding: 5px 0;
}

.total-line.savings {
    color: var(--success-green);
    font-weight: 600;
}

.total-line.final {
    border-top: 2px solid var(--primary-gold);
    padding-top: 15px;
    margin-top: 15px;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-gold);
}

.checkout-actions {
    text-align: center;
}

.btn-checkout {
    background: var(--gradient-gold);
    color: var(--deep-black);
    border: none;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.btn-checkout:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.4);
}

.security-badges, .guarantee-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 10px 0;
    color: var(--success-green);
    font-size: 0.9rem;
}

.guarantee-badge {
    color: var(--primary-gold);
}

.security-note i {
    color: var(--primary-gold);
}

.purchase-summary {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 15px;
}

.purchase-summary h3 {
    color: var(--primary-gold);
    margin-bottom: 20px;
}

.price-breakdown {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.price-line {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.crossed-out {
    text-decoration: line-through;
    color: var(--medium-gray);
}

.final-price {
    color: var(--primary-gold);
    font-weight: 700;
    font-size: 1.5rem;
}

.savings-line {
    color: var(--primary-gold);
    font-weight: 600;
    text-align: center;
    margin-top: 15px;
}

.purchase-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--light-gray);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 15px;
    border: 2px solid rgba(212, 175, 55, 0.3);
    border-radius: 10px;
    background: rgba(212, 175, 55, 0.05);
    color: var(--pure-white);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-gold);
}

.form-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 15px;
}

.security-note {
    text-align: center;
    margin-top: 20px;
    color: var(--light-gray);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.security-note i {
    color: var(--primary-gold);
}

.testimonial-snippet {
    background: rgba(212, 175, 55, 0.05);
    border-left: 4px solid var(--primary-gold);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.testimonial-text {
    font-style: italic;
    color: var(--light-gray);
    margin-bottom: 15px;
    line-height: 1.6;
}

.testimonial-text i {
    color: var(--primary-gold);
    font-size: 14px;
}

.testimonial-author {
    color: var(--primary-gold);
    font-size: 14px;
}

/* Responsive Design for Unified Checkout */
@media (max-width: 768px) {
    .unified-checkout-box {
        padding: 20px;
        margin: 15px 0;
    }
    
    .product-showcase-unified {
        grid-template-columns: 1fr;
        gap: 20px;
        text-align: center;
    }
    
    .features-list-compact {
        justify-content: center;
        gap: 10px;
    }
    
    .feature-item {
        font-size: 12px;
        padding: 6px 12px;
    }
    
    .price-display {
        padding: 15px;
    }
    
    .price-comparison {
        flex-direction: column;
        gap: 5px;
    }
    
    .original-price {
        font-size: 1.2rem;
    }
    
    .current-price {
        font-size: 2rem;
    }
}

/* Hide mobile book by default */
.hero-book-mobile {
    display: none;
}

/* General Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-layout {
        grid-template-columns: 1fr;
        gap: 20px;
        text-align: center;
        padding: 0 20px;
        max-width: 100%;
    }
    
    .hero-content {
        text-align: center;
        order: 1;
        justify-self: center;
        max-width: 100%;
        display: flex;
        flex-direction: column;
    }
    
    .hero-content .hero-title {
        order: 1;
    }
    
    .hero-content .hero-subtitle {
        order: 2;
    }
    
    .hero-book-mobile {
        order: 3;
        display: block;
        margin: 30px auto;
        max-width: 320px;
    }
    
    .hero-book-mobile .book-3d-hero {
        width: 280px;
        height: 420px;
        margin: 0 auto;
    }
    
    /* Mobile book cover content adjustments */
    .hero-book-mobile .book-cover-content {
        padding: 25px 20px !important;
        gap: 12px !important;
        justify-content: space-evenly !important;
        height: 100% !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
    }
    
    .hero-book-mobile .edition-badge {
        padding: 5px 10px !important;
        font-size: 0.65rem !important;
        margin-bottom: 15px !important;
        flex-shrink: 0;
    }
    
    .hero-book-mobile .book-title {
        font-size: 1.6rem !important;
        line-height: 0.95 !important;
        margin: 15px 0 !important;
        text-shadow: 2px 2px 6px rgba(0,0,0,0.9) !important;
        flex-shrink: 0;
    }
    
    .hero-book-mobile .book-subtitle {
        font-size: 0.85rem !important;
        line-height: 1.2 !important;
        margin: 15px 0 !important;
        opacity: 0.95 !important;
        flex-shrink: 0;
    }
    
    .hero-book-mobile .divider-line {
        width: 50px !important;
        height: 2px !important;
        margin: 15px auto !important;
        flex-shrink: 0;
    }
    
    .hero-book-mobile .book-tagline {
        font-size: 0.7rem !important;
        letter-spacing: 0.8px !important;
        margin: 15px 0 0 0 !important;
        opacity: 0.85 !important;
        flex-shrink: 0;
    }
    
    .hero-content .hero-price {
        order: 4;
        margin: 20px 0;
    }
    
    .hero-content .btn-primary {
        order: 5;
        margin-top: 25px;
    }
    
    .hero-content .trust-badges {
        order: 6;
    }
    
    .hero-book {
        display: none;
    }
    
    .hero-book {
        order: 1;
        justify-self: center;
    }
    
    .book-3d-hero {
        width: 260px;
        height: 380px;
    }
    
    /* Additional mobile typography improvements */
    .book-title {
        font-size: 1.9rem;
        line-height: 1.0;
        text-shadow: 2px 2px 6px rgba(0,0,0,0.9);
    }
    
    .book-subtitle {
        font-size: 0.95rem;
        line-height: 1.3;
    }
    
    .book-tagline {
        font-size: 0.8rem;
        letter-spacing: 1px;
    }
    
    .edition-badge {
        font-size: 0.75rem;
        padding: 8px 15px;
    }
    
    .book-pages {
        right: -8px;
    }
    
    .book-spine {
        left: -30px;
        width: 30px;
    }
    
    .book-hardcover-left {
        left: -40px;
        width: 45px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .content-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .price-comparison {
        grid-template-columns: 1fr;
    }
    
    .trust-badges {
        flex-direction: column;
        gap: 15px;
    }
    
    
    .modal-content {
        margin: 10% auto;
        padding: 20px;
        width: 95%;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 2.5rem;
    }
    
    .musical-staff {
        width: 200px;
        height: 60px;
    }
    
    .orchestra-silhouette {
        height: 30%;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .btn-primary, .btn-hero {
        padding: 15px 25px;
        font-size: 1rem;
    }
    
    .solution-grid {
        grid-template-columns: 1fr;
    }
    
    .pain-grid {
        grid-template-columns: 1fr;
    }
}