/* Reset y Variables CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #f59e0b;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Tipografía */
body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

/* Header y Navegación */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-logo i {
    font-size: 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--gradient-primary);
    overflow: hidden;
}

.hero::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="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text {
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.gradient-text {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-3px);
}

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

.floating-headphones {
    font-size: 15rem;
    color: rgba(255, 255, 255, 0.2);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-waves {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.hero-waves svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 150px;
}

.shape-fill {
    fill: var(--bg-light);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Categorías */
.categories {
    padding: 6rem 0;
    background: var(--bg-white);
}

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

.category-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    transition: var(--transition);
}

.category-card:hover .category-icon {
    transform: scale(1.1) rotate(5deg);
}

.category-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.category-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.category-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.category-link:hover {
    color: var(--secondary-color);
}

/* Productos */
.products {
    padding: 6rem 0;
    background: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* Características */
.features {
    padding: 6rem 0;
    background: var(--bg-white);
}

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

.feature-card {
    text-align: center;
    padding: 2rem;
    transition: var(--transition);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
}

/* Contacto */
.contact {
    padding: 6rem 0;
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateX(10px);
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.contact-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.contact-item p {
    color: var(--text-light);
}

.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 4rem 0 2rem;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo i {
    color: var(--accent-color);
}

.footer-section p {
    color: #9ca3af;
    margin-bottom: 1.5rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--accent-color);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .floating-headphones {
        font-size: 8rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .categories-grid,
    .products-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}

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

.category-card,
.feature-card,
.contact-item {
    animation: fadeInUp 0.6s ease-out;
}

/* Scroll suave */
html {
    scroll-behavior: smooth;
}

/* Efectos de hover mejorados */
.category-card:hover .category-icon {
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Estilos para sección de WhatsApp */
.whatsapp-section {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    color: white;
    margin-top: 2rem;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.whatsapp-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.whatsapp-header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 2;
}

.whatsapp-header i {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    display: block;
    animation: bounce 2s infinite;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

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

.whatsapp-header h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: white;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.whatsapp-header p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto;
}

.product-selector {
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 2;
}

.product-selector label {
    display: block;
    margin-bottom: 1rem;
    font-weight: 700;
    color: white;
    font-size: 1.1rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.product-dropdown {
    width: 100%;
    padding: 1.2rem 1rem;
    border: 3px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.15);
    color: white;
    font-size: 1.1rem;
    font-weight: 500;
    backdrop-filter: blur(15px);
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    cursor: pointer;
}

.product-dropdown:hover {
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.product-dropdown:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.product-dropdown option {
    background: #128c7e;
    color: white;
    padding: 0.5rem;
    font-weight: 500;
}

.whatsapp-actions {
    text-align: center;
    position: relative;
    z-index: 2;
}

.btn-whatsapp {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    color: #25d366;
    border: none;
    padding: 1.2rem 2.5rem;
    border-radius: var(--border-radius);
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    min-width: 250px;
    justify-content: center;
}

.btn-whatsapp::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

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

.btn-whatsapp:hover:not(:disabled) {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #ffffff 0%, #e9ecef 100%);
}

.btn-whatsapp:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    background: rgba(255, 255, 255, 0.3);
    color: rgba(37, 211, 102, 0.5);
}

.btn-whatsapp.active {
    animation: pulse 2s infinite;
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.5);
}

.btn-whatsapp i {
    font-size: 1.4rem;
    animation: wiggle 2s infinite;
}

@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-5deg); }
    75% { transform: rotate(5deg); }
}

.whatsapp-note {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    font-style: italic;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Vista previa del producto */
.product-preview {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

.preview-content {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.preview-content img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--border-radius);
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.preview-info {
    flex: 1;
}

.preview-info h4 {
    color: white;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.preview-info p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.preview-info span {
    color: #a7f3d0;
    font-weight: 600;
    font-size: 1rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Responsive para vista previa */
@media (max-width: 768px) {
    .preview-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .preview-content img {
        width: 100px;
        height: 100px;
    }
}

.whatsapp-item {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.whatsapp-item i {
    color: white;
    background: rgba(255, 255, 255, 0.2);
}

.whatsapp-status {
    color: #a7f3d0;
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* Notificación de WhatsApp */
.whatsapp-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #25d366;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.whatsapp-notification.show {
    transform: translateX(0);
}

.whatsapp-notification i {
    font-size: 1.2rem;
}

/* Responsive para WhatsApp */
@media (max-width: 768px) {
    .whatsapp-section {
        padding: 1.5rem;
    }
    
    .whatsapp-header h3 {
        font-size: 1.3rem;
    }
    
    .btn-whatsapp {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
}