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

:root {
    --primary-black: #000000;
    --primary-white: #FFFFFF;
    --neon-green: #00FF7F;
    --lime-green: #32CD32;
    --light-gray: #F5F5F5;
    --medium-gray: #E0E0E0;
    --dark-gray: #333333;
    --reishi-brown: #8B4513;
    --cordyceps-orange: #D2691E;
    --melena-beige: #E5D4B5;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--primary-black);
    background-color: var(--primary-white);
}

/* Header y Navegación */
header {
    background-color: var(--primary-white);
    color: var(--primary-black);
    padding: 0.8rem 0;  /* Padding reducido para mantener header compacto */
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border-bottom: 3px solid var(--neon-green);
}

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

.logo h1 {
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: 1px;
}

.logo .subtitle {
    font-size: 0.9rem;
    font-weight: 300;
    margin-top: 0.3rem;
}

.logo .pulse {
    color: var(--neon-green);
    font-weight: bold;
    animation: pulse 2s ease-in-out infinite;
}

.logo-img {
    height: 200px;  /* Logo más grande */
    width: auto;
    transition: all 0.3s ease;
    margin-top: -60px;  /* Margen negativo para que sobresalga sin agrandar el header */
    margin-bottom: -100px;
}

.logo-img:hover {
    filter: drop-shadow(0 0 10px var(--neon-green));
    transform: scale(1.05);
}

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

.nav-links a {
    color: var(--primary-black);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--neon-green);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--neon-green);
}

.nav-links a:hover::after {
    width: 80%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--dark-gray) 100%);
    color: var(--primary-white);
    padding: 6rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

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

.hero h2 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.hero h3 {
    font-size: 1.8rem;
    color: var(--neon-green);
    margin-bottom: 1.5rem;
    font-weight: 300;
}

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

.cta-button {
    display: inline-block;
    padding: 1rem 3rem;
    background-color: var(--neon-green);
    color: var(--primary-black);
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 255, 127, 0.4);
}

.cta-button:hover {
    background-color: var(--lime-green);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 255, 127, 0.6);
}

.hero-decoration {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
}

.pulse-line {
    width: 100%;
    height: 4px;
    background: var(--neon-green);
    position: absolute;
    bottom: 50px;
    box-shadow: 0 0 20px var(--neon-green);
    animation: pulse-line 3s ease-in-out infinite;
}

@keyframes pulse-line {
    0%, 100% {
        transform: scaleX(1);
        opacity: 1;
    }
    50% {
        transform: scaleX(0.95);
        opacity: 0.7;
    }
}

/* Sección de Productos */
.productos {
    padding: 5rem 2rem;
    background-color: var(--light-gray);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-black);
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--lime-green), var(--neon-green));
    border-radius: 2px;
}

.productos-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    padding: 0 1rem;
}

.producto-card {
    background: var(--primary-white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 3px solid transparent;
    position: relative;
}

.producto-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.producto-card.featured {
    border-color: var(--neon-green);
    box-shadow: 0 5px 20px rgba(0, 255, 127, 0.2);
}

.producto-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--neon-green);
    border-radius: 15px 0 0 15px;
}

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

.producto-header h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--primary-black);
}

.nombre-cientifico {
    font-style: italic;
    color: var(--dark-gray);
    font-size: 1.1rem;
}

.producto-image {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 2rem 0;
    height: 200px;
}

.producto-image svg {
    max-width: 200px;
    height: auto;
}

.producto-foto {
    max-width: 100%;
    max-height: 250px;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.producto-foto:hover {
    transform: scale(1.05);
}

.producto-info {
    margin: 1.5rem 0;
}

.concentracion {
    text-align: center;
    font-weight: bold;
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    color: var(--primary-black);
}

.volumen {
    text-align: center;
    background-color: var(--primary-black);
    color: var(--primary-white);
    font-weight: bold;
    padding: 0.5rem;
    display: inline-block;
    width: 100%;
    margin-bottom: 1.5rem;
}

.beneficios, .recomendaciones {
    margin: 1.5rem 0;
    padding: 1rem;
    background-color: var(--light-gray);
    border-radius: 8px;
}

.beneficios h4, .recomendaciones h4 {
    color: var(--neon-green);
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.beneficios ul {
    list-style: none;
    padding-left: 0;
}

.beneficios li {
    padding: 0.4rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.beneficios li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--neon-green);
    font-weight: bold;
}

.recomendaciones p {
    margin: 0.5rem 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

.btn-comprar {
    width: 100%;
    padding: 1rem;
    background-color: var(--primary-black);
    color: var(--primary-white);
    border: 2px solid var(--neon-green);
    font-size: 1.1rem;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.btn-comprar:hover {
    background-color: var(--neon-green);
    color: var(--primary-black);
    transform: scale(1.02);
}

/* Sección de Beneficios */
.beneficios-section {
    padding: 5rem 2rem;
    background-color: var(--primary-white);
}

.beneficios-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.beneficio-item {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.beneficio-item:hover {
    border-color: var(--neon-green);
    box-shadow: 0 5px 20px rgba(0, 255, 127, 0.2);
    transform: translateY(-5px);
}

.beneficio-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-black);
}

.beneficio-item p {
    color: var(--dark-gray);
    line-height: 1.6;
}

/* Slider de Imágenes */
.slider-section {
    padding: 0;
    background-color: var(--primary-black);
    overflow: hidden;
}

.slider-container {
    max-width: 100%;
    margin: 0 auto;
    position: relative;
    height: 600px;
}

.slider-wrapper {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
    z-index: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.slide-caption {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: var(--primary-white);
    padding: 1rem 3rem;
    border-radius: 50px;
    font-size: 1.5rem;
    font-weight: bold;
    border: 2px solid var(--neon-green);
    backdrop-filter: blur(10px);
}

/* Botones del slider */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--neon-green);
    border: 2px solid var(--neon-green);
    padding: 1rem 1.5rem;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 2;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.slider-btn:hover {
    background-color: var(--neon-green);
    color: var(--primary-black);
    transform: translateY(-50%) scale(1.1);
}

.slider-btn.prev {
    left: 20px;
}

.slider-btn.next {
    right: 20px;
}

/* Indicadores del slider */
.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 2;
}

.dot {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: 2px solid var(--neon-green);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot:hover {
    background-color: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.dot.active {
    background-color: var(--neon-green);
    transform: scale(1.3);
}

/* Sección de Contacto */
.contacto {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--dark-gray) 100%);
    color: var(--primary-white);
    text-align: center;
}

.contacto .section-title {
    color: var(--primary-white);
}

.contacto-content {
    max-width: 800px;
    margin: 0 auto;
}

.contacto-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.contacto-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    font-size: 1.1rem;
}

.contacto-info p {
    background-color: rgba(0, 255, 127, 0.1);
    padding: 1rem;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.contacto-info p:hover {
    background-color: rgba(0, 255, 127, 0.2);
    transform: scale(1.02);
}

/* Footer */
footer {
    background-color: var(--primary-black);
    color: var(--primary-white);
    padding: 3rem 2rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-logo h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.footer-logo p {
    color: var(--neon-green);
    margin-bottom: 2rem;
}

.footer-logo-img {
    height: 100px;  /* Tamaño del logo en el footer */
    width: auto;
    margin-bottom: 2rem;
    background-color: var(--primary-white);
    padding: 0.8rem 1.5rem;
    border-radius: 10px;
}

.footer-info p {
    margin: 0.5rem 0;
    opacity: 0.8;
}

.footer-recursos {
    margin: 1.5rem 0;
}

.footer-link {
    color: var(--neon-green);
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 2px solid var(--neon-green);
    border-radius: 25px;
}

.footer-link:hover {
    background-color: var(--neon-green);
    color: var(--primary-black);
    transform: scale(1.05);
}

/* Material Informativo Section */
.material-section {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    position: relative;
    overflow: hidden;
}

.material-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 127, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(50, 205, 50, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

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

.material-content {
    text-align: left;
}

.material-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.material-content h2 {
    font-size: 2.5rem;
    color: var(--primary-white);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.material-content > p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 2.5rem;
    background: linear-gradient(135deg, var(--neon-green), var(--lime-green));
    color: var(--primary-black);
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 5px 25px rgba(0, 255, 127, 0.4);
}

.download-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 35px rgba(0, 255, 127, 0.6);
}

.download-icon {
    width: 24px;
    height: 24px;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

.material-note {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.material-preview {
    display: flex;
    justify-content: center;
    align-items: center;
}

.pdf-preview {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border: 3px solid var(--neon-green);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 40px rgba(0, 255, 127, 0.3);
    transition: all 0.3s ease;
    min-width: 300px;
}

.pdf-preview:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 50px rgba(0, 255, 127, 0.5);
}

.pdf-icon {
    font-size: 6rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 20px rgba(0, 255, 127, 0.5));
}

.pdf-preview p {
    font-size: 1.5rem;
    color: var(--primary-white);
    font-weight: bold;
    margin: 1rem 0 0.5rem 0;
}

.pdf-preview span {
    color: var(--neon-green);
    font-size: 1.1rem;
}

/* FAQ Section */
.faq-section {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, var(--primary-white) 0%, #f5f5f5 100%);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--primary-white);
    margin-bottom: 1rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 20px rgba(0, 255, 127, 0.2);
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--primary-white);
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: rgba(0, 255, 127, 0.05);
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--primary-black);
    flex: 1;
}

.faq-icon {
    font-size: 2rem;
    color: var(--neon-green);
    font-weight: bold;
    transition: transform 0.3s ease;
    margin-left: 1rem;
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 2rem;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 2rem 1.5rem 2rem;
}

.faq-answer p {
    margin: 0;
    line-height: 1.8;
    color: #555;
}

/* Formulario de Contacto */
.contacto-form {
    max-width: 600px;
    margin: 2rem auto;
    background: rgba(0, 255, 127, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid rgba(0, 255, 127, 0.2);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(0, 255, 127, 0.3);
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--primary-white);
    font-size: 1rem;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--neon-green);
    background-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 15px rgba(0, 255, 127, 0.3);
}

.form-submit {
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--neon-green), var(--lime-green));
    color: var(--primary-black);
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 255, 127, 0.4);
}

.contacto-divider {
    margin: 2rem 0;
    text-align: center;
    position: relative;
}

.contacto-divider::before,
.contacto-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: rgba(255, 255, 255, 0.3);
}

.contacto-divider::before {
    left: 0;
}

.contacto-divider::after {
    right: 0;
}

.contacto-divider span {
    background-color: transparent;
    padding: 0 1rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Botón flotante de WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
    animation: none;
}

.whatsapp-icon {
    width: 35px;
    height: 35px;
    color: white;
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7);
    }
}

/* Botón volver arriba */
.volver-arriba {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--neon-green), var(--lime-green));
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 255, 127, 0.3);
}

.volver-arriba.visible {
    opacity: 1;
    visibility: visible;
}

.volver-arriba:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 6px 25px rgba(0, 255, 127, 0.5);
}

.arrow-icon {
    width: 24px;
    height: 24px;
    color: var(--primary-black);
}

.footer-info p {
    margin: 0.5rem 0;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .logo-img {
        height: 70px;  /* Tamaño del logo en tablets */
    }

    .hero h2 {
        font-size: 2.5rem;
    }

    .hero h3 {
        font-size: 1.4rem;
    }

    .productos-grid {
        grid-template-columns: 1fr;
    }

    .beneficios-grid {
        grid-template-columns: 1fr;
    }
    
    .slider-container {
        height: 400px;
    }
    
    .slide-caption {
        font-size: 1.2rem;
        padding: 0.8rem 2rem;
    }
    
    .slider-btn {
        padding: 0.8rem 1.2rem;
        font-size: 1.2rem;
    }
    
    .material-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .material-content {
        text-align: center;
    }
    
    .material-content h2 {
        font-size: 2rem;
    }
    
    .material-preview {
        order: -1;
    }
    
    .pdf-preview {
        min-width: 250px;
        padding: 2rem 1.5rem;
    }
    
    .pdf-icon {
        font-size: 4rem;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .logo-img {
        height: 60px;  /* Tamaño del logo en móviles */
    }
    
    .footer-logo-img {
        height: 70px;  /* Tamaño del logo del footer en móviles */
        padding: 0.6rem 1rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

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

    .producto-header h3 {
        font-size: 1.6rem;
    }
    
    .slider-container {
        height: 300px;
    }
    
    .slide-caption {
        font-size: 1rem;
        padding: 0.5rem 1.5rem;
        bottom: 30px;
    }
    
    .slider-btn {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
    
    .slider-btn.prev {
        left: 10px;
    }
    
    .slider-btn.next {
        right: 10px;
    }
    
    .dot {
        width: 12px;
        height: 12px;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-icon {
        width: 28px;
        height: 28px;
    }
    
    .volver-arriba {
        width: 45px;
        height: 45px;
        bottom: 20px;
        left: 20px;
    }
    
    .arrow-icon {
        width: 20px;
        height: 20px;
    }
    
    .faq-question {
        padding: 1rem 1.5rem;
    }
    
    .faq-question h3 {
        font-size: 1rem;
    }
    
    .faq-icon {
        font-size: 1.5rem;
    }
    
    .contacto-form {
        padding: 1.5rem;
    }
    
    .material-content h2 {
        font-size: 1.8rem;
    }
    
    .material-content > p {
        font-size: 1rem;
    }
    
    .download-btn {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .material-icon {
        font-size: 3rem;
    }
    
    .pdf-preview p {
        font-size: 1.2rem;
    }
    
    .pdf-preview span {
        font-size: 1rem;
    }
}