:root {
    --steel-blue: #4682B4;
    --gray: #6B7280;
    --white: #FFFFFF;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Arial', sans-serif;
    color: #333;
    overflow-x: hidden;
}

/* Optimización móvil - Video */
.video-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
}

#bg-video {
    object-fit: cover;
    width: 100%;
    height: 100%;
}

/* Header móvil */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

.logo img {
    max-width: 150px;
    height: auto;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

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

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

.hamburger {
    display: none;
    cursor: pointer;
    padding: 0.5rem;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--gray);
    margin: 4px 0;
    transition: var(--transition);
}

/* Mobile Menu */
@media (max-width: 768px) {
    .nav-list {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        flex-direction: column;
        align-items: center;
        background: var(--white);
        transition: var(--transition);
        padding: 2rem 0;
    }

    .nav-list.active {
        right: 0;
    }

    .hamburger {
        display: block;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}

/* Optimización de rendimiento */
.section {
    padding: 4rem 1rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(20px);
    transition: 0.6s ease-out;
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Formulario móvil */
.contact-form {
    max-width: 500px;
    width: 100%;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    margin: 0.5rem 0;
    border: 1px solid var(--gray);
    border-radius: 5px;
    font-size: 1rem;
}

/* Carrusel optimizado */
.swiper {
    width: 100%;
    padding-top: 50px;
    padding-bottom: 50px;
}

.swiper-slide {
    background-position: center;
    background-size: cover;
    width: 300px;
    height: 300px;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    padding: 2rem;
}

.clients-grid img {
    max-width: 100%;
    height: auto;
    filter: grayscale(100%);
    transition: var(--transition);
}

.clients-grid img:hover {
    filter: grayscale(0);
}

.hidden {
    display: none;
}

/* Estilos para los enlaces de clientes */
.client-link {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    transition: transform 0.3s ease;
    background: var(--white);
    border-radius: 8px;
    border: 1px solid rgba(0,0,0,0.1);
}

.client-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.clients-grid img {
    max-width: 100%;
    height: auto;
    max-height: 80px;
    width: auto;
    transition: filter 0.3s ease;
    padding: 10px;
}

/* Sección Servicios */
.services {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    text-align: center;
}

.testimonial-logo {
    width: 80px;
    height: auto;
    margin-bottom: 1rem;
}

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

.service-card h3 {
    color: var(--steel-blue);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-list {
    list-style: none;
    padding-left: 1.5rem;
}

.service-list li {
    position: relative;
    margin-bottom: 0.8rem;
    color: var(--gray);
}

.service-list2 li {
    position: relative;
    margin-bottom: 0.8rem;
    color: var(--steel-blue);
}

.service-list li::before {
    content: "▹";
    position: absolute;
    left: -1.5rem;
    color: var(--steel-blue);
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        padding: 1rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
}

/* Sección Nosotros */
.about {
    background: rgba(245, 247, 250, 0.98);
    backdrop-filter: blur(2px);
}

.about-main {
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
}

.lead-text {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.lead-text2 {
    font-size: 1.2rem;
    color: var(--steel-blue); 
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.expertise-list {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    margin: 2rem 0;
    padding: 0;
    list-style: none;
}

.expertise-list li {
    background: var(--white);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    position: relative;
    transition: transform 0.3s ease;
}

.expertise-list li:hover {
    transform: translateY(-3px);
}

.expertise-list li::before {
    content: "✔";
    color: var(--steel-blue);
    margin-right: 0.5rem;
}

.mission-vision-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    max-width: 1200px;
    margin: 0 auto;
}

.mv-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.mv-card:hover {
    border-color: var(--steel-blue);
    box-shadow: 0 10px 30px rgba(70, 130, 180, 0.1);
}

.mv-card::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--steel-blue);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.mv-card:hover::after {
    transform: scaleX(1);
}

.mv-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.mission .mv-icon { color: #2ecc71; }
.vision .mv-icon { color: #9b59b6; }

@media (max-width: 768px) {
    .expertise-list {
        grid-template-columns: 1fr;
    }
    
    .mv-card {
        padding: 1.5rem;
    }
}

/* Sección Alianzas */
.alliances {
    background: linear-gradient(to right, rgba(70, 130, 180, 0.05) 0%, rgba(255,255,255,1) 100%);
}

.alliance-content {
    display: flex;
    gap: 3rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.alliance-text {
    flex: 1;
}

.highlighted-text {
    color: var(--steel-blue);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.partner-name {
    color: var(--gray);
    font-size: 2rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.partner-name::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 60%;
    height: 2px;
    background: var(--steel-blue);
}

.alliance-list {
    list-style: none;
    margin: 1.5rem 0;
    padding: 0;
}

.alliance-list li {
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(70, 130, 180, 0.1);
    position: relative;
    padding-left: 1.5rem;
}

.alliance-list li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--steel-blue);
    font-weight: bold;
}

.alliance-logo-container {
    flex: 0 0 300px;
    padding: 2rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.alliance-logo-container:hover {
    transform: translateY(-5px);
}

.alliance-logo {
    width: 100%;
    height: auto;
    max-width: 200px;
    margin: 0 auto;
    display: block;
}

@media (max-width: 768px) {
    .alliance-content {
        flex-direction: column;
        text-align: center;
    }
    
    .partner-name::after {
        left: 50%;
        transform: translateX(-50%);
        width: 40%;
    }
    
    .alliance-list li {
        text-align: left;
        padding-left: 2rem;
    }
    
    .alliance-logo-container {
        flex-basis: auto;
        width: 100%;
        max-width: 300px;
    }
}

/* Formulario de contacto */
.contact-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.1);
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--steel-blue);
    font-weight: 500;
}

input,
textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid rgba(70, 130, 180, 0.2);
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--steel-blue);
    box-shadow: 0 0 0 2px rgba(70, 130, 180, 0.1);
}

.submit-btn {
    background: var(--steel-blue);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s ease;
    width: 100%;
}

.submit-btn:hover {
    background: #36648B;
}

/* Mensajes de confirmación */
.form-success {
    display: none;
    color: #2ecc71;
    text-align: center;
    padding: 2rem;
}

.form-error {
    color: #e74c3c;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    display: none;
}

/* ---------------------------------------------- */

/* Títulos de sección */
.section-title {
    color: #4682B4 !important; /* Azul acero */
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #4682B4;
    border-radius: 2px;
}

/* Ajustes específicos para secciones */
.alliances .section-title::after {
    background: #ffffff; /* Para contraste con el fondo degradado */
}

/* Versión móvil */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }
    
    .section-title::after {
        width: 60px;
        height: 2px;
    }
}

/* Testimonios */
.testimonials {
    background: #f8f9fa;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 30px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

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

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.testimonial-header img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 8px;
}

.client-info h3 {
    color: #2d3748;
    margin-bottom: 0.5rem;
}

.client-info p {
    color: #718096;
    font-size: 0.9rem;
}

/* Títulos de sección */
.section-title {
    color: #4682B4 !important; /* Azul acero */
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #4682B4;
    border-radius: 2px;
}

/* Ajustes específicos para secciones */
.alliances .section-title::after {
    background: #ffffff; /* Para contraste con el fondo degradado */
}

 Versión móvil 
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }
    
    .section-title::after {
        width: 60px;
        height: 2px;
    }
}