/* Variables CSS personalizadas */
:root {
    --primary-violet: #8b5cf6;
    --light-violet: #a78bfa;
    --dark-blue: #1a1a2e;
    --medium-blue: #16213e;
    --accent-blue: #3b82f6;
    --success-green: #10b981;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    --border-light: #e5e7eb;
    --background-light: #f9fafb;
}

/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Header y Navegación */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(90deg, #1a1a2e 0%, #16213e 50%, #8b5cf6 100%);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo h2 {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.8rem;
}

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

.nav-menu a {
    text-decoration: none;
    color: #ffffff;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #a78bfa;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #a78bfa;
    transition: width 0.3s ease;
}

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

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #8b5cf6 100%);
    color: white;
    position: relative;
    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-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

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

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

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

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

.hero-graphic {
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.hero-graphic i {
    font-size: 6rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Botones */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background: #3b82f6;
    color: white;
}

.btn-primary:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

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

.btn-secondary:hover {
    background: white;
    color: #2563eb;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #8b5cf6;
    border: 2px solid #8b5cf6;
}

.btn-outline:hover {
    background: #8b5cf6;
    color: white;
    transform: translateY(-2px);
}

.btn-whatsapp {
    background: #25d366;
    color: white;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.btn-whatsapp:hover {
    background: #128c7e;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    color: white;
    text-decoration: none;
}

.btn-whatsapp-small {
    background: #25d366;
    color: white;
    padding: 8px 16px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.btn-whatsapp-small:hover {
    background: #128c7e;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* Sobre Nosotros Section */
.about {
    padding: 80px 0;
    background: white;
}

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

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

.logo-container {
    display: inline-block;
}

.logo-hexagon {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary-violet), var(--light-violet));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.3);
}

.logo-hexagon i {
    font-size: 4rem;
    color: white;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}



.logo-container h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.tagline {
    color: var(--primary-violet);
    font-weight: 600;
    font-size: 1.1rem;
}

.company-description h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.company-description p {
    color: var(--text-gray);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.feature-card {
    background: var(--background-light);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-violet);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.1);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-violet);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

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

/* Productos Section */
.products {
    padding: 80px 0;
    background: var(--background-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 500px;
}

.product-card.featured {
    border-color: #8b5cf6;
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.12);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #8b5cf6;
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 1;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: #8b5cf6;
}

.product-card.coming-soon {
    opacity: 0.7;
}

.coming-soon-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #f59e0b;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #8b5cf6, #a78bfa);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.product-icon i {
    font-size: 2rem;
    color: white;
}

.product-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.product-subtitle {
    color: #6b7280;
    font-weight: 500;
    margin-bottom: 1rem;
}

.product-description {
    color: #4b5563;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    flex: 1;
}

.product-features {
    list-style: none;
    margin-bottom: 2rem;
    flex-shrink: 0;
}

.product-features li {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
    color: #4b5563;
}

.product-features i {
    color: #10b981;
    margin-right: 0.5rem;
    font-size: 0.9rem;
}

.product-card .btn {
    flex-shrink: 0;
}

/* Socios Fundadores Section */
.founders {
    padding: 80px 0;
    background: var(--background-light);
}

.founders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.founder-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    min-height: 400px;
}

.founder-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.1);
    border-color: var(--primary-violet);
}

.founder-photo {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-violet), var(--light-violet));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.3);
}

.founder-photo i {
    font-size: 2.5rem;
    color: white;
}

.founder-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.founder-title {
    color: var(--primary-violet);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.founder-description {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    flex: 1;
}

.founder-expertise {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.expertise-tag {
    background: var(--background-light);
    color: var(--primary-violet);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--primary-violet);
}

/* Por Qué Elegirnos Section */
.why-choose-us {
    padding: 80px 0;
    background: white;
}

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

.advantage-card {
    background: var(--background-light);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(139, 92, 246, 0.1);
    border-color: var(--primary-violet);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-violet), var(--light-violet));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.2);
}

.advantage-icon i {
    font-size: 2rem;
    color: white;
}

.advantage-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

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

/* Suscripciones Section */
.subscriptions {
    padding: 80px 0;
    background: var(--background-light);
}

.subscription-tabs {
    max-width: 1000px;
    margin: 0 auto;
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 24px;
    border: 2px solid #e5e7eb;
    background: white;
    color: #6b7280;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.tab-btn.active,
.tab-btn:hover {
    border-color: #8b5cf6;
    color: #8b5cf6;
    background: #f3f4f6;
}

.tab-content {
    position: relative;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.plan-card {
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 450px;
}

.plan-card:hover {
    transform: translateY(-5px);
    border-color: #8b5cf6;
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.1);
}

.plan-card.featured {
    border-color: #8b5cf6;
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.15);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #8b5cf6;
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

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

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

.currency {
    font-size: 1.2rem;
    color: #6b7280;
    vertical-align: top;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: #8b5cf6;
}

.period {
    font-size: 1rem;
    color: #6b7280;
}

.plan-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
    flex: 1;
}

.plan-features li {
    padding: 0.5rem 0;
    color: #4b5563;
    border-bottom: 1px solid #f3f4f6;
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-card .btn {
    flex-shrink: 0;
}

/* Contacto Section */
.contact {
    padding: 80px 0;
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
}

.contact-content {
    display: flex;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
}

.contact-item {
    background: white;
    padding: 1.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-item:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.15);
    border-color: #8b5cf6;
}

.contact-item i {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #8b5cf6, #a78bfa);
    color: white;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.25);
}

.contact-item > div {
    flex: 1;
    min-width: 0;
}

.contact-item h4 {
    color: #1f2937;
    margin-bottom: 0.25rem;
    font-size: 1.05rem;
    font-weight: 600;
}

.contact-item p {
    color: #6b7280;
    margin-bottom: 0;
    font-size: 0.95rem;
}

.contact-item .btn {
    margin-top: 0.75rem;
    flex-shrink: 0;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #8b5cf6;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Botón flotante de WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.whatsapp-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: #25d366;
    color: white;
    border-radius: 50%;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-link:hover {
    background: #128c7e;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-link i {
    font-size: 1.8rem;
}

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

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #f9fafb;
}

.footer-section h3 {
    font-size: 1.5rem;
    color: #a78bfa;
}

.footer-section p {
    color: #d1d5db;
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #a78bfa;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: #374151;
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #8b5cf6;
    transform: translateY(-2px);
}

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: #6b7280;
    transition: color 0.3s ease;
}

.close:hover {
    color: #1f2937;
}

.subscription-details {
    background: #f9fafb;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.subscription-details p {
    margin-bottom: 0.5rem;
    color: #4b5563;
}

.subscription-details strong {
    color: #1f2937;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        padding: 1rem 0;
        border-top: 1px solid #e5e7eb;
        z-index: 1000;
    }
    
    .nav-menu.active li {
        margin: 0;
        width: 100%;
    }
    
    .nav-menu.active a {
        color: #1f2937 !important;
        padding: 1rem 2rem;
        display: block;
        border-bottom: 1px solid #f3f4f6;
        width: 100%;
    }
    
    .nav-menu.active a:hover {
        background: #f9fafb;
        color: #8b5cf6 !important;
    }
    
    .nav-menu.active a::after {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle span {
        background: #ffffff;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
        background: #ffffff;
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
        background: #ffffff;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .founders-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        gap: 1rem;
    }
    
    .contact-item {
        padding: 1.25rem 1.5rem;
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .contact-item:hover {
        transform: translateY(-3px);
    }
    
    .contact-item > div {
        width: 100%;
    }
    
    .contact-item .btn {
        width: 100%;
        justify-content: center;
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
    }
    
    .plan-card.featured {
        transform: none;
    }
    
    .tab-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .product-card,
    .plan-card {
        padding: 1.5rem;
    }
    
    .modal-content {
        margin: 10% auto;
        padding: 1.5rem;
        width: 95%;
    }
}

/* Animaciones adicionales */
.product-card,
.plan-card {
    animation: fadeInUp 0.6s ease;
}

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

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading states */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}