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

:root {
    /* Colores de la empresa según Elemento #4 y #5 */
    --primary-dark: #2f4157; /* R:47 G:65 B:87 - C:85 M:66 Y:42 K:37 */
    --primary-light: #c79465; /* R:200 G:148 B:100 - C:19 M:42 Y:62 K:8 */
    --text-dark: #333333;
    --text-light: #ffffff;
    --background-light: #f5f5f5;
    --background-gradient: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
    
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 40px;
    --spacing-xl: 80px;
    
    --border-radius: 4px;
    --box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
}

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

a {
    text-decoration: none;
    color: var(--primary-dark);
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-light);
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.btn {
    display: inline-block;
    padding: 10px 25px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn-primary {
    background-color: var(--primary-dark);
    color: var(--text-light);
}

.btn-primary:hover {
    background-color: #3a526d;
    color: var(--text-light);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-dark);
    color: var(--primary-dark);
}

.btn-outline:hover {
    background-color: var(--primary-dark);
    color: var(--text-light);
}

/* Header & Navegación */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    transition: padding var(--transition-fast);
}

.site-header.scrolled {
    padding: 10px 0;
}

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

.logo img {
    height: 50px;
    transition: height var(--transition-fast);
}

.site-header.scrolled .logo img {
    height: 40px;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
}

.main-nav a {
    color: var(--text-dark);
    font-weight: 500;
    padding: 10px 0;
    position: relative;
}

.main-nav a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-dark);
    transition: width var(--transition-fast);
}

.main-nav a:hover:after,
.main-nav a.active:after {
    width: 100%;
}

.dropdown {
    position: relative;
}

.dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    min-width: 200px;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) 0;
    z-index: 1;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
}

.dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content a {
    display: block;
    padding: 10px 20px;
    color: var(--text-dark);
}

.dropdown-content a:hover {
    background-color: var(--background-light);
}

.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* Hero Slider */
.hero-slider {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    margin-top: 90px;
}

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

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity var(--transition-medium);
    display: flex;
    align-items: center;
}

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

.slide-content {
    width: 50%;
    padding: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.slide-subtitle {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
    color: var(--primary-light);
}

.slide-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--text-light);
}

.slide-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.slide-image {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Carrusel de Servicios */
.services-carousel {
    padding: var(--spacing-md) 0;
    background-color: var(--primary-dark);
    overflow: hidden;
}

.carousel-container {
    width: 100%;
    height: 50px;
    overflow: hidden;
    position: relative;
}

.carousel-track {
    display: flex;
    animation: carousel 20s linear infinite;
}

.carousel-item {
    flex-shrink: 0;
    padding: 0 var(--spacing-lg);
    color: var(--text-light);
    font-size: 18px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
}

@keyframes carousel {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Sección de Características */
.core-features {
    padding: var(--spacing-xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-fast);
    background-color: white;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    margin-bottom: var(--spacing-md);
}

.feature-icon-img {
    width: 60px;
    height: 60px;
}

.feature-title {
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-dark);
}

.feature-description {
    color: #666;
}

/* Sección Sobre Nosotros Intro */
.about-intro {
    padding: var(--spacing-xl) 0;
    background-color: var(--background-light);
}

.about-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.section-heading {
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 36px;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 80px;
    height: 3px;
    background-color: var(--primary-light);
}

.section-heading.centered {
    text-align: center;
}

.section-heading.centered .section-title:after {
    left: 50%;
    transform: translateX(-50%);
}

.section-description {
    margin-bottom: var(--spacing-md);
}

.info-box {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.info-icon-img {
    width: 40px;
    height: 40px;
}

.info-title {
    font-size: 18px;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-dark);
}

.image-box {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.image-box img {
    display: block;
    width: 100%;
    transition: transform var(--transition-medium);
}

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

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--text-light);
}

.overlay-title {
    font-size: 24px;
    margin-bottom: var(--spacing-sm);
}

/* Sección Lema de la Empresa */
.company-motto {
    padding: var(--spacing-xl) 0;
    background: var(--background-gradient);
    color: var(--text-light);
    text-align: center;
}

.motto-title {
    font-size: 36px;
    margin-bottom: var(--spacing-lg);
}

.motto-images {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
}

.motto-img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--text-light);
}

/* Sección de Sectores */
.sectors-showcase {
    padding: var(--spacing-xl) 0;
}

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.sector-card {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-fast);
}

.sector-card:hover {
    transform: translateY(-10px);
}

.sector-image {
    height: 200px;
    overflow: hidden;
}

.sector-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

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

.sector-content {
    padding: var(--spacing-md);
    background-color: white;
}

.sector-title {
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-dark);
}

.sector-description {
    margin-bottom: var(--spacing-md);
    color: #666;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Carrusel de Sectores */
.sectors-carousel {
    padding: var(--spacing-md) 0;
    background-color: var(--primary-light);
    overflow: hidden;
}

/* Sección de Contacto */
.contact-section {
    padding: var(--spacing-xl) 0;
    background-color: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.molecule-model {
    text-align: center;
}

.molecule-img {
    max-width: 80%;
    animation: float 3s ease-in-out infinite;
}

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

.contact-form-header {
    margin-bottom: var(--spacing-lg);
}

.contact-title {
    font-size: 28px;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
}

.contact-subtitle {
    color: #666;
}

.contact-form {
    width: 100%;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-dark);
    outline: none;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-checkbox input {
    width: auto;
}

/* Sección de Certificaciones */
.certifications {
    padding: var(--spacing-lg) 0;
    background-color: var(--background-light);
}

.certificates-slider {
    width: 100%;
    overflow: hidden;
}

.slider-track {
    display: flex;
    animation: slide 20s linear infinite;
}

.slider-item {
    flex-shrink: 0;
    padding: 0 var(--spacing-md);
}

.slider-item img {
    height: 60px;
    filter: grayscale(1);
    transition: filter var(--transition-fast);
}

.slider-item img:hover {
    filter: grayscale(0);
}

@keyframes slide {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-100%);
    }
}

/* Footer */
.site-footer {
    padding: var(--spacing-lg) 0;
    background-color: var(--primary-dark);
    color: var(--text-light);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo img {
    height: 50px;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-info p {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-info a {
    color: var(--text-light);
}

.footer-info a:hover {
    color: var(--primary-light);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--primary-light);
    color: var(--text-light);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* WhatsApp Flotante */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 999;
}

.whatsapp-float a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    font-size: 24px;
    transition: transform var(--transition-fast);
}

.whatsapp-float a:hover {
    transform: scale(1.1);
}

/* Página de cabecera */
.page-header {
    position: relative;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 90px;
    color: var(--text-light);
    text-align: center;
    overflow: hidden;
}

.page-title {
    font-size: 42px;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.page-header-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* Sección con fondo claro */
.bg-light {
    background-color: var(--background-light);
}

/* Centrado */
.centered {
    text-align: center;
}