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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #f0f4f8;
    --bg-light: #e8f0f8;
    --bg-dark: #111827;
    --bg-section: linear-gradient(135deg, #e8f0f8 0%, #d6e7f5 100%);
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.1);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-tech: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

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

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

/* Navegación */
.navbar {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 250, 252, 0.98) 100%);
    backdrop-filter: blur(15px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(37, 99, 235, 0.1);
}

.navbar.scrolled {
    padding: 0.8rem 0;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.99) 0%, rgba(248, 250, 252, 0.99) 100%);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    /* Técnica para eliminar fondo blanco: usar blend mode y filtros */
    mix-blend-mode: darken;
    filter: contrast(1.1);
    /* Si el fondo es blanco, darken lo hará invisible */
    background: transparent;
}

/* Alternativa: si el logo tiene fondo blanco sólido, usar esta técnica */
@media (prefers-color-scheme: light) {
    .logo-img {
        mix-blend-mode: multiply;
        filter: brightness(0.95) contrast(1.2);
    }
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
    transform: translateY(-2px);
}

.nav-menu a:hover::before {
    width: 80%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    transition: all 0.3s;
}

/* Hero Section */
.hero {
    background: var(--gradient-primary);
    color: white;
    padding: 140px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
    filter: blur(2px) brightness(0.7);
    transform: scale(1.1);
    transition: transform 20s ease;
}

.hero:hover .hero-bg-image {
    transform: scale(1.15);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    z-index: 1;
    opacity: 0.7;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-logo {
    height: 120px;
    width: auto;
    margin: 0 auto 2rem;
    display: block;
    /* Para logo en fondo oscuro, invertir colores */
    filter: brightness(0) invert(1) drop-shadow(0 0 20px rgba(255, 255, 255, 0.3));
    mix-blend-mode: screen;
    opacity: 0.95;
    animation: fadeInUp 1s 0.1s both;
    /* Eliminar cualquier fondo */
    background: transparent;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s 0.2s both;
}

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

/* Botones */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: white;
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    background-color: var(--bg-light);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* Secciones */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Servicios */
.services {
    background: var(--bg-section);
}

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

.service-card {
    background-color: white;
    padding: 0;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid transparent;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.service-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-card > .service-icon {
    margin-top: -30px;
    position: relative;
    z-index: 2;
    background: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    margin-right: auto;
    box-shadow: var(--shadow);
    font-size: 2rem;
    transition: transform 0.3s;
}

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

.service-card h3,
.service-card p {
    padding: 0 2.5rem;
}

.service-card h3 {
    margin-top: 1rem;
    margin-bottom: 1rem;
}

.service-card p {
    padding-bottom: 1rem;
}

.service-click-hint {
    display: block;
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    opacity: 0.8;
    transition: all 0.3s;
    font-style: italic;
}

.service-card:hover .service-click-hint {
    opacity: 1;
    transform: translateY(-2px);
}

/* Estilos para iconos de servicio se aplican directamente en .service-card > .service-icon */

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

.service-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Sobre Nosotros */
.about {
    background: linear-gradient(180deg, #ffffff 0%, #f0f4f8 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.about-image {
    width: 100%;
    height: 500px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.1));
    pointer-events: none;
}

.about-text {
    text-align: left;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.stats {
    display: flex;
    justify-content: space-around;
    margin-top: 4rem;
    flex-wrap: wrap;
    gap: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    font-weight: 800;
    transition: transform 0.3s;
}

.stat-item:hover h3 {
    transform: scale(1.1);
}

.stat-item p {
    color: var(--text-light);
    font-weight: 500;
}

/* Tecnologías */
.technologies {
    background: linear-gradient(180deg, #e8f0f8 0%, #d6e7f5 100%);
    position: relative;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.tech-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-tech);
    transform: scaleX(0);
    transition: transform 0.4s;
}

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

.tech-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.tech-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: transform 0.4s;
}

.tech-card:hover .tech-icon {
    transform: scale(1.2) rotate(10deg);
}

.tech-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-weight: 700;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.tech-tag {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.tech-tag:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.tech-card {
    cursor: pointer;
}

.tech-click-hint {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 1rem;
    opacity: 0.7;
    font-style: italic;
    transition: opacity 0.3s;
}

.tech-card:hover .tech-click-hint {
    opacity: 1;
    color: var(--primary-color);
}

/* Clientes */
.clients {
    background: linear-gradient(180deg, #ffffff 0%, #f0f4f8 100%);
    padding: 80px 0;
}

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

.client-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
}

.client-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.client-logo {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s;
    background: white;
    border-radius: 10px;
    padding: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.client-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 5px;
}

.client-card:hover .client-logo {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
}

.client-card h3 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.client-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Testimonios */
.testimonials {
    background: linear-gradient(180deg, #f0f4f8 0%, #ffffff 100%);
    padding: 80px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
}

.testimonial-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-color);
    flex-shrink: 0;
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-info h3 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 0.25rem;
    font-weight: 700;
}

.testimonial-info p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 0;
}

.testimonial-rating {
    color: #fbbf24;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.testimonial-text {
    color: var(--text-light);
    line-height: 1.8;
    font-style: italic;
    margin: 0;
}

/* Footer */
.footer {
    background-color: var(--bg-dark);
    color: white;
    padding: 3rem 0 1rem;
}

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

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

.footer-section h3 {
    display: none;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.certifications {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.certifications p {
    color: rgba(255, 255, 255, 0.7);
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
    cursor: pointer;
}

.certifications p:last-child {
    border-bottom: none;
}

.certifications p:hover {
    color: white;
    padding-left: 0.5rem;
}

/* Modales de Certificaciones */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    margin: auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.4s ease;
    position: relative;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.modal-close {
    position: absolute;
    right: 20px;
    top: 20px;
    color: var(--text-light);
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.modal-close:hover,
.modal-close:focus {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
    transform: rotate(90deg);
}

.modal-header {
    background: var(--gradient-primary);
    color: white;
    padding: 2.5rem 2.5rem 1.5rem;
    border-radius: 20px 20px 0 0;
    position: relative;
}

.modal-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.modal-header-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: bounce 2s infinite;
}

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

.modal-header h2 {
    margin: 0;
    font-size: 2rem;
    font-weight: 700;
}

.modal-subtitle {
    margin: 0.5rem 0 0;
    opacity: 0.9;
    font-size: 1rem;
}

.modal-body {
    padding: 2.5rem;
}

.cert-info h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.cert-info h3:first-child {
    margin-top: 0;
}

.cert-info p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.cert-info ul {
    list-style: none;
    padding: 0;
    margin: 1rem 0 1.5rem;
}

.cert-info ul li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.6;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.cert-info ul li:last-child {
    border-bottom: none;
}

.cert-info ul li::before,
.tech-info ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.tech-info {
    color: var(--text-color);
}

.tech-info h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.tech-info h3:first-child {
    margin-top: 0;
}

.tech-info p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.tech-info ul {
    list-style: none;
    padding: 0;
    margin: 1rem 0 1.5rem;
}

.tech-info ul li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.6;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.tech-info ul li:last-child,
.service-info ul li:last-child {
    border-bottom: none;
}

.service-info {
    color: var(--text-color);
}

.service-info h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.service-info h3:first-child {
    margin-top: 0;
}

.service-info p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.service-info ul {
    list-style: none;
    padding: 0;
    margin: 1rem 0 1.5rem;
}

.service-info ul li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.6;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.service-info ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.tech-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.tech-detail-item {
    background: rgba(37, 99, 235, 0.05);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s;
}

.tech-detail-item:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: translateX(5px);
}

.tech-detail-item strong {
    display: block;
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.tech-detail-item p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.info-content {
    color: var(--text-color);
}

.info-content h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.info-content h3:first-child {
    margin-top: 0;
}

.info-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.info-content ul {
    list-style: none;
    padding: 0;
    margin: 1rem 0 1.5rem;
}

.info-content ul li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.8;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.info-content ul li:last-child {
    border-bottom: none;
}

.info-content ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.info-content ul li strong {
    color: var(--text-color);
    font-weight: 700;
}

.footer-section a.info-link {
    cursor: pointer;
}

.cert-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
    }
    50% {
        box-shadow: 0 4px 25px rgba(16, 185, 129, 0.5);
    }
}

.badge-icon {
    font-size: 1.2rem;
    font-weight: bold;
}

.badge-text {
    letter-spacing: 0.5px;
}

/* Botón Scroll to Top */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(20px) scale(0.8);
}

.scroll-to-top.visible {
    display: flex;
    opacity: 1;
    transform: translateY(0) scale(1);
}

.scroll-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.6);
    background: linear-gradient(135deg, #5b21b6 0%, #7c3aed 100%);
}

.scroll-to-top:active {
    transform: translateY(-2px) scale(1.05);
}

.scroll-to-top svg {
    width: 24px;
    height: 24px;
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: 1rem;
    /* Para logo en footer oscuro, hacerlo blanco */
    filter: brightness(0) invert(1) drop-shadow(0 0 10px rgba(255, 255, 255, 0.2));
    mix-blend-mode: screen;
    opacity: 0.9;
    background: transparent;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

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

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

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

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

    .stats {
        flex-direction: column;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-image {
        height: 300px;
        order: -1;
    }

    .about-text {
        text-align: center;
    }

    .clients-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .tech-details-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .hero {
        padding: 80px 0;
    }

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

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