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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f8fafc;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Purchase Notification */
.purchase-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 12px 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    max-width: 300px;
    transform: translateX(350px);
    opacity: 0;
    transition: all 0.3s ease;
    font-size: 14px;
    color: #333;
    display: flex;
    align-items: center;
    gap: 10px;
}

.purchase-notification.show {
    transform: translateX(0);
    opacity: 1;
}

.notification-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    flex-shrink: 0;
}

.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-text {
    color: #1f2937;
    margin-bottom: 2px;
}

.notification-meta {
    font-size: 12px;
    color: #6b7280;
}

.close-btn {
    background: none;
    border: none;
    font-size: 16px;
    color: #9ca3af;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    margin-left: 8px;
}

.close-btn:hover {
    color: #6b7280;
}

@media (max-width: 768px) {
    .purchase-notification {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
        transform: translateY(-80px);
    }
    
    .purchase-notification.show {
        transform: translateY(0);
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
    color: white;
    padding: 1.5rem 0 3rem;
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.security-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    font-size: 0.9rem;
    font-weight: 500;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

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

.new-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: #10b981;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 10;
}

.crayons {
    position: absolute;
    left: -50px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.crayon {
    width: 30px;
    height: 120px;
    border-radius: 15px 15px 5px 5px;
    position: relative;
}

.crayon::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
}

.crayon.red { background: #ef4444; }
.crayon.red::after { background: #dc2626; }
.crayon.orange { background: #f97316; }
.crayon.orange::after { background: #ea580c; }
.crayon.yellow { background: #eab308; }
.crayon.yellow::after { background: #ca8a04; }
.crayon.green { background: #22c55e; }
.crayon.green::after { background: #16a34a; }
.crayon.blue { background: #3b82f6; }
.crayon.blue::after { background: #2563eb; }
.crayon.purple { background: #8b5cf6; }
.crayon.purple::after { background: #7c3aed; }

.hero-book-image {
    width: 800px;
    height: 800px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    object-fit: cover;
}

.hero-text h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.highlight {
    background: linear-gradient(135deg, #fbbf24, #f59e0b, #d97706);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
}

.subtitle {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.feature i {
    font-size: 1.25rem;
    color: #fbbf24;
}

/* Why Choose Section */
.why-choose {
    padding: 3rem 0;
    background: white;
}

.why-choose h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #1f2937;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.benefit {
    background: white;
    padding: 1.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.benefit-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.75rem;
    color: white;
}

.benefit-icon.blue { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.benefit-icon.purple { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }
.benefit-icon.green { background: linear-gradient(135deg, #10b981, #047857); }
.benefit-icon.orange { background: linear-gradient(135deg, #f97316, #ea580c); }

.benefit h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.benefit p {
    color: #6b7280;
    line-height: 1.6;
}

.cta-button {
    display: block;
    margin: 0 auto;
    background: linear-gradient(135deg, #10b981, #047857);
    color: white;
    border: none;
    padding: 0.9rem 1.8rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
}

.hero-cta {
    margin-top: 2rem;
    width: fit-content;
}

.carousel-cta {
    margin-top: 2rem;
}

/* Products Gallery */
/* Books Gallery - Nova seção do slider */
.books-gallery {
    padding: 3rem 0;
    background: #f8fafc;
}

.books-gallery h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #1f2937;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #6b7280;
    margin-bottom: 2rem;
}

/* Book Slider */
.book-slider {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.slider-wrapper {
    position: relative;
    width: 100%;
    height: 350px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 20px;
    overflow: hidden;
}

.book-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.book-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.book-slide.active {
    opacity: 1;
}

.book-slide img {
    width: 460px;
    height: 325px;
    object-fit: contain;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    background: white;
    transition: transform 0.3s ease;
}

.book-slide img:hover {
    transform: scale(1.05);
}

/* Slider buttons */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid #667eea;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    color: #667eea;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
    z-index: 10;
    transition: all 0.3s ease;
    outline: none;
}

.slider-btn:hover {
    background: #667eea;
    color: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.prev-btn {
    left: 15px;
}

.next-btn {
    right: 15px;
}



/* Mobile responsive */
@media (max-width: 768px) {
    .book-slider {
        max-width: 100%;
        padding: 0 20px;
    }
    
    .slider-wrapper {
        height: 280px;
    }
    
    .book-slide img {
        width: calc(100vw - 60px);
        height: 250px;
        max-width: 400px;
    }
    
    .prev-btn,
    .next-btn {
        width: 45px;
        height: 45px;
        font-size: 16px;
    }
    
    .prev-btn {
        left: 10px;
    }
    
    .next-btn {
        right: 10px;
    }
}

.product-header p {
    font-size: 0.9rem;
    color: #6b7280;
    margin-bottom: 2rem;
}

.preview-pages {
    display: flex;
    gap: 1rem;
}

.page {
    width: 60px;
    height: 80px;
    background: white;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.quality-badge {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    margin-top: 2rem;
}

.quality-badge h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.quality-badge p {
    color: #6b7280;
}

/* Limited Offer */
.limited-offer {
    padding: 3rem 0;
    background: white;
}

.offer-alert {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 0 auto 2rem;
    max-width: 400px;
    font-weight: 600;
    font-size: 0.9rem;
}

.limited-offer h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #1f2937;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    transition: transform 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
}

.pricing-card.premium {
    border: 3px solid #fbbf24;
    transform: scale(1.05);
}

.bestseller {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.package-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
}

.package-header i {
    font-size: 1.75rem;
    color: #fbbf24;
}

.package-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1f2937;
}

.pricing {
    text-align: center;
    margin-bottom: 1.5rem;
}

.old-price {
    font-size: 1rem;
    color: #ff0000;
    text-decoration: line-through;
}

.discount {
    display: inline-block;
    background: #10b981;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.current-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: #10b981;
    margin: 0.5rem 0;
}

.savings {
    color: #6b7280;
    font-size: 0.9rem;
}

.features-list {
    margin-bottom: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.feature-item i {
    color: #10b981;
    font-size: 1rem;
}

.included {
    background: #f0fdf4;
    color: #166534;
    padding: 0.75rem;
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.bonus-items {
    margin-bottom: 1.5rem;
}

.bonus-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: #fefce8;
    border-radius: 10px;
    margin-bottom: 0.5rem;
}

.bonus-item i {
    color: #fbbf24;
    font-size: 1.25rem;
}

.bonus-item strong {
    display: block;
    color: #1f2937;
    font-size: 0.9rem;
}

.bonus-item span {
    color: #ff0000;
    font-size: 0.8rem;
    text-decoration: line-through;
}

.buy-button {
    width: 100%;
    padding: 0.85rem;
    border: none;
    border-radius: 15px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    display: block;
    text-align: center;
    animation: pulse 2s infinite;
    position: relative;
    overflow: hidden;
}

.buy-button.basic {
    background: linear-gradient(135deg, #10b981, #047857);
    color: white;
}

.buy-button.premium {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
    animation: pulseGold 2s infinite;
}

/* Pulse animation for buy buttons */
@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 5px 15px rgba(16, 185, 129, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 5px 15px rgba(16, 185, 129, 0.3);
    }
}

/* Enhanced pulse for premium button */
@keyframes pulseGold {
    0% {
        transform: scale(1);
        box-shadow: 0 5px 15px rgba(251, 191, 36, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 8px 25px rgba(251, 191, 36, 0.5);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 5px 15px rgba(251, 191, 36, 0.3);
    }
}

.buy-button:hover {
    animation-play-state: paused;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.social-proof {
    text-align: center;
    margin-top: 1rem;
    color: #6b7280;
    font-size: 0.9rem;
}

/* PDF Preview Section */
.pdf-preview {
    padding: 4rem 0;
    background: #f8fafc;
    color: #1f2937;
}

.pdf-preview h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #1f2937;
}

.pdf-preview .section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.pdf-viewer-container {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.pdf-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: #f8fafc;
    border-bottom: 2px solid #e5e7eb;
}

.pdf-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #374151;
    font-weight: 600;
}

.pdf-info i {
    color: #667eea;
    font-size: 1.2rem;
}

.pdf-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.pdf-nav-btn {
    background: #667eea;
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.pdf-nav-btn:hover {
    background: #5a67d8;
    transform: scale(1.1);
}

.pdf-nav-btn:disabled {
    background: #d1d5db;
    cursor: not-allowed;
    transform: none;
}

#pageInfo {
    color: #6b7280;
    font-weight: 500;
    min-width: 100px;
    text-align: center;
}

.pdf-viewer {
    position: relative;
    min-height: 600px;
    background: #f9fafb;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.pdf-pages {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.pdf-page {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pdf-page.active {
    display: block;
    opacity: 1;
}

.pdf-page img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.pdf-page img:hover {
    transform: scale(1.02);
}

.pdf-footer {
    padding: 1.5rem 2rem;
    background: #f8fafc;
    border-top: 2px solid #e5e7eb;
}

.sample-notice {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #6b7280;
    justify-content: center;
    font-size: 0.95rem;
}

.sample-notice i {
    color: #3b82f6;
    font-size: 1.1rem;
}

.pdf-cta {
    margin-top: 2rem !important;
    background: #10b981 !important;
    border: none !important;
    padding: 1rem 2rem !important;
    font-size: 1.1rem !important;
    font-weight: 700 !important;
    color: white !important;
    border-radius: 50px !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3) !important;
    display: block !important;
    margin-left: auto !important;
    margin-right: auto !important;
    text-align: center !important;
    text-decoration: none !important;
}

.pdf-cta:hover {
    background: #059669 !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4) !important;
}

/* Responsive PDF Viewer */
@media (max-width: 768px) {
    .pdf-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .pdf-viewer {
        padding: 1rem;
        min-height: 400px;
    }
    
    .pdf-nav-btn {
        width: 35px;
        height: 35px;
        font-size: 0.8rem;
    }
    
    .pdf-preview h2 {
        font-size: 1.5rem;
    }
    
    .pdf-preview .section-subtitle {
        font-size: 1rem;
        padding: 0 1rem;
    }
}

/* Testimonials */
.testimonials {
    padding: 3rem 0;
    background: #f8fafc;
}

.testimonials h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #1f2937;
}

.rating {
    text-align: center;
    margin-bottom: 2rem;
}

.stars {
    margin-bottom: 0.5rem;
}

.stars i {
    color: #fbbf24;
    font-size: 1.25rem;
    margin: 0 0.1rem;
}

.testimonials-carousel {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 50px;
}

.testimonials-carousel-container {
    overflow: hidden;
    border-radius: 20px;
}

.testimonials-carousel-track {
    display: flex;
    animation: infiniteScroll 30s linear infinite;
    width: calc(300px * 14 + 20px * 13); /* 14 items + gaps */
}

.testimonials-carousel:hover .testimonials-carousel-track {
    animation-play-state: paused;
}

.testimonial-chat {
    flex: 0 0 auto;
    width: 300px;
    margin-right: 20px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

.testimonial-chat:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.chat-screenshot {
    width: 100%;
    height: auto;
    aspect-ratio: 9/16;
    object-fit: cover;
    border-radius: 20px;
    transition: transform 0.3s ease;
}

.testimonial-chat:hover .chat-screenshot {
    transform: scale(1.02);
}

.testimonials-carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
}

.testimonials-carousel-btn {
    background: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #667eea;
    transition: all 0.3s ease;
    pointer-events: auto;
}

.testimonials-carousel-btn:hover {
    background: #667eea;
    color: white;
    transform: scale(1.1);
}

.testimonials-carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #d1d5db;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active,
.dot:hover {
    background: #667eea;
    transform: scale(1.2);
}

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

/* FAQ */
.faq {
    padding: 3rem 0;
    background: #f8fafc;
}

.faq h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #1f2937;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto 2rem;
}

.faq-item {
    border: 1px solid #4b5563;
    border-radius: 15px;
    margin-bottom: 0.75rem;
    overflow: hidden;
    background: white;
}

.faq-question {
    padding: 1.25rem;
    background: #f9fafb;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: #1f2937;
    transition: background-color 0.3s ease;
    font-size: 0.95rem;
}

.faq-question:hover {
    background: #f3f4f6;
}

.faq-question i {
    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: 1.25rem;
    color: #6b7280;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Guarantee */
.guarantee {
    padding: 2.5rem 0;
    background: #f8fafc;
}

.guarantee-box {
    text-align: center;
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

.guarantee-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981, #047857);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
}

.guarantee-box h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1f2937;
}

.guarantee-box p {
    color: #6b7280;
    font-size: 1rem;
}

.security-badges {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.security-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #6b7280;
    font-weight: 500;
}

.security-item i {
    color: #10b981;
    font-size: 1.25rem;
}

/* Footer */
.footer {
    background: #f8fafc;
    color: #1f2937;
    padding: 2rem 0;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .crayons {
        display: none;
    }
    
    .hero-book-image {
        width: 250px;
        height: 250px;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .why-choose h2,
    .products-gallery h2,
    .limited-offer h2,
    .testimonials h2,
    .faq h2 {
        font-size: 1.5rem;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.premium {
        transform: none;
    }
    
    .products-carousel {
        grid-template-columns: 1fr;
    }
    
    .testimonials-carousel {
        padding: 0 20px;
    }
    
    .testimonial-chat {
        width: 250px;
    }
    
    .security-badges {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 1rem 0 2rem;
    }
    
    .hero-text h1 {
        font-size: 1.75rem;
    }
    
    .hero-book-image {
        width: 200px;
        height: 200px;
    }
    
    .section-padding {
        padding: 3rem 0;
    }
    
    .why-choose,
    .products-gallery,
    .limited-offer,
    .testimonials,
    .faq {
        padding: 2.5rem 0;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-top: 1.5rem;
    }
    
    .pricing-card {
        padding: 1.25rem;
    }
    
    .testimonials-carousel {
        padding: 0 10px;
    }
    
    .testimonial-chat {
        width: 280px;
    }
    
    .testimonials-carousel-btn {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.benefit,
.product-card,
.pricing-card,
.testimonial-chat {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}