/* BIG_KBD_25 Specific Styles */
:root {
    --primary-color: #009688;
    --secondary-color: #4CAF50;
    --accent-color: #FFC107;
    --error-color: #f44336;
    --warning-color: #ff9800;
    --info-color: #2196F3;
    --success-color: #4CAF50;
    --dark-color: #263238;
    --light-color: #ecf0f1;
    --gradient-primary: linear-gradient(135deg, #009688 0%, #4CAF50 100%);
    --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 15px 40px rgba(0, 0, 0, 0.15);
    --shadow-strong: 0 20px 50px rgba(0, 0, 0, 0.2);
}

/* Sound-Triggered Musical Notes */
.musical-note.sound-triggered {
    position: fixed !important;
    font-size: 2.5rem;
    font-weight: bold !important;
    pointer-events: none !important;
    z-index: 9999 !important;
    font-family: "Times New Roman", serif !important;
}

/* Versão de teste das notas musicais */
.musical-note-test {
    position: fixed !important;
    font-weight: bold !important;
    pointer-events: none !important;
    z-index: 99999 !important;
    font-family: "Times New Roman", serif !important;
    display: block !important;
    visibility: visible !important;
}

/* Enhanced Product Hero */
.product-hero {
    background: 
        linear-gradient(135deg, rgba(0, 150, 136, 0.85) 0%, rgba(76, 175, 80, 0.85) 100%),
        url('../../assets/images/banners/sala-de-musicoterapia.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
    padding: 6rem 0;
    color: white;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.product-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(135deg, rgba(0, 150, 136, 0.3) 0%, rgba(76, 175, 80, 0.3) 100%),
        radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.1) 0%, transparent 60%),
        radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    animation: aurora 20s ease-in-out infinite alternate;
    z-index: 1;
}

.product-hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

@keyframes aurora {
    0% { opacity: 0.3; }
    50% { opacity: 0.7; }
    100% { opacity: 0.3; }
}

.product-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.6),
        0 2px 8px rgba(0, 0, 0, 0.8),
        0 0 30px rgba(255, 255, 255, 0.3);
    animation: glow-text 3s ease-in-out infinite alternate;
    color: #ffffff;
    text-align: center;
}

@keyframes glow-text {
    from { text-shadow: 0 0 20px rgba(255, 255, 255, 0.5); }
    to { text-shadow: 0 0 30px rgba(255, 255, 255, 0.8), 0 0 40px rgba(255, 255, 255, 0.6); }
}

.product-subtitle {
    font-size: 1.5rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    animation: fadeInUp 1s ease-out 0.5s both;
    text-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.7),
        0 0 20px rgba(255, 255, 255, 0.2);
    color: #ffffff;
    text-align: center;
    font-weight: 400;
}

/* Hero Benefits - dentro da hero section */
.product-hero .hero-benefits,
.hero-sales .hero-benefits {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin: 2rem 0;
}

.product-hero .hero-benefits .benefit-item,
.hero-sales .hero-benefits .benefit-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 0.75rem 1.25rem;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    font-weight: 500;
    font-size: 0.95rem;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

.product-hero .hero-benefits .benefit-item:hover,
.hero-sales .hero-benefits .benefit-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.product-hero .hero-benefits .benefit-item i,
.hero-sales .hero-benefits .benefit-item i {
    color: #90EE90;
    font-size: 1.1rem;
    text-shadow: 0 0 10px rgba(144, 238, 144, 0.5);
}

.product-hero .hero-benefits .benefit-item span,
.hero-sales .hero-benefits .benefit-item span {
    color: #ffffff;
}

/* Enhanced Product Highlights */
.breadcrumb {
    margin-bottom: 3rem;
    padding: var(--spacing-base) calc(var(--spacing-base) * 2);
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    color: var(--gray-400);
    font-family: var(--font-primary);
}

/* Sobrescrever estilos específicos do breadcrumb */
.product-hero .breadcrumb {
    color: var(--gray-400);
}

.product-hero .breadcrumb a {
    color: var(--gray-400);
}

.breadcrumb a {
    color: var(--gray-400);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: var(--transition-base);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-base);
}

.breadcrumb a:hover {
    color: var(--white);
    background: var(--gray-700);
    transform: translateY(-1px);
}

.breadcrumb span {
    color: var(--white);
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--gray-700);
    border-radius: var(--radius-base);
    border: 1px solid var(--gray-600);
}

.breadcrumb i {
    color: var(--gray-400);
    font-size: 0.75rem;
}

.product-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
    animation: fadeInUp 1s ease-out 1s both;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.highlight-item {
    background: rgba(255, 255, 255, 0.15);
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.highlight-item:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.3),
        0 0 30px rgba(255, 255, 255, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    transform: none;
}

.highlight-item span {
    color: #ffffff;
    font-weight: 600;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    font-size: 0.95rem;
}

.highlight-item i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
    animation: glowPulse 2.5s ease-in-out infinite;
}

.hover-glow {
    animation: glowFlash 0.8s ease-out !important;
}

@keyframes glowPulse {
    0%, 100% {
        text-shadow: 0 0 8px rgba(255, 255, 255, 0.4), 0 0 16px rgba(76, 175, 80, 0.3);
        transform: none;
    }
    50% {
        text-shadow: 0 0 14px rgba(255, 255, 255, 0.7), 0 0 24px rgba(76, 175, 80, 0.5);
        transform: none;
    }
}

@keyframes glowFlash {
    0% {
        text-shadow: 0 0 4px rgba(255, 255, 255, 0.3), 0 0 8px rgba(76, 175, 80, 0.2);
        transform: none;
    }
    50% {
        text-shadow: 0 0 18px rgba(255, 255, 255, 0.8), 0 0 26px rgba(76, 175, 80, 0.6);
    }
    100% {
        text-shadow: 0 0 6px rgba(255, 255, 255, 0.35), 0 0 10px rgba(76, 175, 80, 0.25);
    }
}

/* Interactive Product Image */
.product-image {
    position: relative;
    perspective: 1000px;
    cursor: pointer;
}

.product-image figure {
    position: relative;
    transition: all 0.6s ease;
    transform-style: preserve-3d;
}

.product-image:hover figure {
    transform: rotateY(5deg) rotateX(5deg) scale(1.05);
}

.product-image img {
    border-radius: 20px;
    box-shadow: var(--shadow-strong);
    transition: all 0.3s ease;
    filter: brightness(1) saturate(1);
}

.product-image:hover img {
    filter: brightness(1.1) saturate(1.2);
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.3),
        0 0 50px rgba(0, 150, 136, 0.3);
}

/* Piano Keys Effect */
.piano-keys {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 2px;
    opacity: 0;
    transition: all 0.3s ease;
}

.product-image:hover .piano-keys {
    opacity: 1;
    bottom: -10px;
}

.piano-key {
    width: 20px;
    height: 60px;
    background: linear-gradient(to bottom, #f8f9fa 0%, #e9ecef 100%);
    border: 1px solid #dee2e6;
    border-radius: 0 0 5px 5px;
    cursor: pointer;
    transition: all 0.1s ease;
    position: relative;
}

.piano-key.black {
    width: 14px;
    height: 40px;
    background: linear-gradient(to bottom, #495057 0%, #343a40 100%);
    margin: 0 -7px;
    z-index: 2;
    border-radius: 0 0 3px 3px;
}

.piano-key:hover,
.piano-key.active {
    transform: translateY(2px);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.piano-key.white:hover { background: linear-gradient(to bottom, #e9ecef 0%, #dee2e6 100%); }
.piano-key.black:hover { background: linear-gradient(to bottom, #343a40 0%, #212529 100%); }

/* Enhanced Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.benefit-item {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    border: 2px solid rgba(0, 150, 136, 0.15);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.08),
        0 1px 3px rgba(0, 0, 0, 0.05);
}

.benefit-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 20px 0 0 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.benefit-item:hover::before {
    opacity: 1;
}

.benefit-item:hover {
    border-color: var(--primary-color);
    box-shadow: 
        0 15px 40px rgba(0, 150, 136, 0.15),
        0 5px 15px rgba(0, 0, 0, 0.08);
    transform: translateY(-5px);
}

.benefit-icon {
    width: 70px;
    min-width: 70px;
    height: 70px;
    min-height: 70px;
    flex-shrink: 0;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    color: white;
    box-shadow: 
        0 8px 25px rgba(0, 150, 136, 0.35),
        0 4px 10px rgba(0, 150, 136, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-icon i {
    font-size: 1.8rem;
    line-height: 1;
    width: auto;
    height: auto;
}

.benefit-item:hover .benefit-icon {
    transform: scale(1.1);
    box-shadow: 
        0 12px 30px rgba(0, 150, 136, 0.4),
        0 6px 15px rgba(0, 150, 136, 0.25);
}

.benefit-content h3 {
    color: var(--dark-color);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.benefit-content p {
    color: #4a5568;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.benefit-content p strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* Enhanced Specifications */
.specifications {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 5rem 0;
    position: relative;
}

.specifications .section-title {
    color: var(--dark-color) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.spec-category {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.spec-category:hover {
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
    transform: none;
}


.spec-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.spec-actions .btn {
    flex: 1 1 160px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.spec-note {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin: 1rem 0 0;
}

.manual-spec h3 i,
.video-spec h3 i {
    color: var(--primary-color);
}

.video-spec {
    text-align: left;
}

.video-spec .video-thumb {
    border: none;
    padding: 0;
    background: transparent;
    cursor: pointer;
    display: block;
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-spec .video-thumb picture,
.video-spec .video-thumb img {
    display: block;
    width: 100%;
}

.video-spec .video-thumb img {
    height: auto;
    transition: transform 0.3s ease;
}

.video-spec .video-thumb .play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.35);
    color: #ffffff;
    font-size: 2.5rem;
    transition: background 0.3s ease;
}

.video-spec .video-thumb:hover,
.video-spec .video-thumb:focus-visible {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.video-spec .video-thumb:hover img,
.video-spec .video-thumb:focus-visible img {
    transform: scale(1.05);
}

.video-spec .video-thumb:hover .play-overlay,
.video-spec .video-thumb:focus-visible .play-overlay {
    background: rgba(0, 0, 0, 0.5);
}

.video-spec .video-cta {
    align-self: flex-start;
    margin-top: 1.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.spec-category h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.spec-category h3 i {
    font-size: 1.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Enhanced Applications */
.applications {
    background: var(--gradient-secondary);
    color: white;
    padding: 5rem 0;
    position: relative;
}

.applications .section-title {
    color: #ffffff !important;
    text-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.3),
        0 0 20px rgba(255, 255, 255, 0.2);
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.applications .section-subtitle {
    color: rgba(255, 255, 255, 0.9) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    font-size: 1.2rem;
    font-weight: 400;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.application-card {
    background: rgba(255, 255, 255, 0.1);
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.4s ease;
    cursor: pointer;
}

.application-card:hover {
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    transform: none;
}

.app-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Enhanced CTA Section */
.cta-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 2rem;
    margin-top: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 2px solid rgba(0, 150, 136, 0.1);
}

.cta-title {
    color: var(--dark-color) !important;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
    text-shadow: none !important;
}

.cta-description {
    color: var(--dark-color) !important;
    font-size: 1.1rem;
    text-align: center;
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* Enhanced CTA Buttons */
.cta-buttons,
.final-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 2rem;
}

.btn {
    position: relative;
    overflow: hidden;
    border: none;
    border-radius: 50px;
    padding: 1rem 2rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 10px 25px rgba(0, 150, 136, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 18px 40px rgba(0, 150, 136, 0.45);
    transform: none;
}

.btn-secondary {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 10px 25px rgba(240, 147, 251, 0.3);
}

.btn-secondary:hover {
    box-shadow: 0 18px 40px rgba(240, 147, 251, 0.4);
    transform: none;
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: none;
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    border: 2px solid #25D366;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-whatsapp:hover {
    background: linear-gradient(135deg, #128C7E 0%, #075E54 100%);
    border-color: #128C7E;
    box-shadow: 0 15px 35px rgba(37, 211, 102, 0.4);
    color: white;
    transform: none;
}

.btn-whatsapp::before {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.btn-whatsapp i {
    font-size: 1.2rem;
    animation: whatsapp-pulse 2s ease-in-out infinite;
}

@keyframes whatsapp-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.btn-purchase {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: #2c3e50;
    border: 2px solid #FFD700;
    box-shadow: 0 10px 25px rgba(255, 215, 0, 0.3);
    position: relative;
    overflow: hidden;
    font-weight: 700;
}

.btn-purchase:hover {
    background: linear-gradient(135deg, #FFA500 0%, #FF8C00 100%);
    border-color: #FFA500;
    transform: none;
    box-shadow: 0 18px 40px rgba(255, 215, 0, 0.45);
    color: #2c3e50;
}

.btn-purchase::before {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.btn-purchase i {
    font-size: 1.2rem;
    animation: cart-bounce 2s ease-in-out infinite;
}

@keyframes cart-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

.btn-large {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Enhanced Final CTA */
.final-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: shimmer 15s ease-in-out infinite alternate;
}

@keyframes shimmer {
    0% { opacity: 0.5; }
    100% { opacity: 1; }
}

.final-benefits {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.final-benefit {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.final-benefit i {
    color: var(--success-color);
    font-size: 1.2rem;
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .product-highlights {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .applications-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .cta-buttons,
    .final-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .final-benefits {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .product-highlights {
        grid-template-columns: 1fr;
    }
    
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .piano-keys {
        display: none;
    }
}

/* WhatsApp Button Visibility */
.whatsapp-visible {
    opacity: 1 !important;
    visibility: visible !important;
    transform: scale(1) !important;
    z-index: 10002 !important;
}

/* Section Titles */
.section-title {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: 3rem;
    line-height: 1.5;
    opacity: 0.8;
}

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

.fadeInUp {
    animation: fadeInUp 0.8s ease-out;
}

/* Bounce Animation */
@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translateY(0);
    }
    40%, 43% {
        transform: translateY(-15px);
    }
    70% {
        transform: translateY(-7px);
    }
    90% {
        transform: translateY(-3px);
    }
}

/* Sound Wave Animation */
.sound-wave {
    display: inline-block;
    width: 4px;
    height: 20px;
    background: var(--primary-color);
    margin: 0 2px;
    animation: sound-wave 1.2s ease-in-out infinite;
    border-radius: 2px;
}

.sound-wave:nth-child(2) { animation-delay: 0.1s; }
.sound-wave:nth-child(3) { animation-delay: 0.2s; }
.sound-wave:nth-child(4) { animation-delay: 0.3s; }
.sound-wave:nth-child(5) { animation-delay: 0.4s; }

@keyframes sound-wave {
    0%, 40%, 100% {
        transform: scaleY(0.4);
    }
    20% {
        transform: scaleY(1);
    }
}

.beam-glow-active {
    box-shadow: 0 0 0 3px rgba(0, 150, 136, 0.3), 0 20px 45px rgba(0, 150, 136, 0.3) !important;
    border-color: rgba(255, 255, 255, 0.5) !important;
}

/* Musical Notes Animations */
@keyframes soundNoteFloat {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0) rotate(0deg);
    }
    20% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.2) rotate(10deg);
    }
    80% {
        opacity: 1;
        transform: translate(-50%, -70%) scale(1) rotate(-10deg);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -90%) scale(0.5) rotate(20deg);
    }
}

@keyframes soundNoteBounce {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0) translateY(0);
    }
    25% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.3) translateY(-30px);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1) translateY(-10px);
    }
    75% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.2) translateY(-40px);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.3) translateY(-80px);
    }
}

@keyframes soundNoteSpin {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0) rotate(0deg);
    }
    30% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.4) rotate(180deg);
    }
    70% {
        opacity: 1;
        transform: translate(-50%, -60%) scale(1) rotate(360deg);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -80%) scale(0.2) rotate(540deg);
    }
}

@keyframes soundNoteZoom {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0);
    }
    15% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(2);
    }
    85% {
        opacity: 1;
        transform: translate(-50%, -70%) scale(0.8);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -100%) scale(0);
    }
}

@keyframes noteTrail {
    0% {
        opacity: 0.8;
        transform: scale(0);
    }
    50% {
        opacity: 0.5;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(2);
    }
}

@keyframes toggleNoteFeedback {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0) rotate(0deg);
    }
    30% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.3) rotate(180deg);
    }
    70% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(0.9) rotate(360deg);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0) rotate(540deg);
    }
}