:root {
    --primary: #f5811e; /* Naranja oficial del logo */
    --primary-dark: #cc6c18;
    --secondary: #182833; /* Dark shade, azul oscuro/teal oscuro */
    --teal: #25bcc3; /* Teal/Cyan del logo */
    --green: #acd145; /* Verde del logo */
    --red: #ed1b24; /* Rojo del logo */
    
    --light: #F9FAFB;
    --dark: #111827;
    --gray: #6B7280;
    --text-main: #374151;
    --white: #FFFFFF;
    
    --transition: all 0.3s ease-in-out;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--dark);
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.text-center { text-align: center; }
.text-white { color: var(--white) !important; }
.text-primary { color: var(--primary) !important; }
.text-gray { color: #D1D5DB !important; }
.bg-light { background-color: #F3F4F6 !important; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
    gap: 0.5rem;
    font-family: var(--font-body);
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
    background-color: var(--white);
    color: var(--dark);
}

.products .btn-outline {
    border-color: var(--primary);
    color: var(--primary);
}
.products .btn-outline:hover {
    background-color: var(--primary);
    color: var(--white);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: 0.5rem 0;
}

.header.scrolled .nav-link {
    color: var(--dark);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 85px;
    transition: var(--transition);
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--white);
    font-weight: 600;
    font-size: 1rem;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 3px;
    background-color: var(--primary);
    transition: var(--transition);
    border-radius: 2px;
}

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

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

.menu-toggle {
    display: none;
    font-size: 2rem;
    color: var(--white);
    cursor: pointer;
}
.header.scrolled .menu-toggle {
    color: var(--dark);
}

.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

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

.carousel-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.carousel-item.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(17, 24, 39, 0.9) 0%, rgba(17, 24, 39, 0.6) 50%, rgba(17, 24, 39, 0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    text-align: center;
    padding: 0 1.5rem;
    color: var(--white);
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: #E5E7EB;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.section {
    padding: 6rem 0;
}

.section-header {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--teal));
    border-radius: 2px;
}

.section-title.text-white::after, .course-text .section-title::after {
    left: 0;
    transform: none;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

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

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
    text-align: center;
}

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

.service-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.service-img-wrapper {
    width: 100%;
    height: 180px;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    overflow: hidden;
    position: relative;
}

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

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

.dark-section {
    background-color: var(--secondary);
    color: var(--white);
}

.course-container {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.course-text {
    flex: 1;
}

.course-text .section-title {
    margin-bottom: 1.5rem;
}

.course-text .section-desc {
    margin: 0 0 2rem 0;
}

.course-list {
    margin-bottom: 2rem;
}

.course-list li {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.course-list i {
    font-size: 1.5rem;
}

.course-image {
    flex: 1;
}

.img-wrapper {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.img-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary);
    opacity: 0.2;
    z-index: 1;
}

.img-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

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

.engineering-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.check-list li {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.check-list i {
    font-size: 1.5rem;
}

.cta-box {
    background: rgba(245, 129, 30, 0.05);
    padding: 2rem;
    border-left: 4px solid var(--primary);
    border-radius: 0 12px 12px 0;
}

.cta-box p {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.gallery-item {
    height: 200px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

@media (max-width: 992px) {
    .engineering-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

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

.product-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
}

.product-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.product-img-box {
    height: 200px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #F9FAFB;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.product-img-box img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s;
}

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

.product-info {
    padding: 1.5rem;
}

.product-info h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.product-info p {
    color: var(--gray);
    font-size: 0.9rem;
}

.brand-track-container {
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    width: 100%;
    padding: 2rem 0;
}

.brand-track-container::before, .brand-track-container::after {
    content: '';
    position: absolute;
    top: 0;
    width: 150px;
    height: 100%;
    z-index: 2;
}

.brand-track-container::before {
    left: 0;
    background: linear-gradient(to right, #F3F4F6 0%, transparent 100%);
}

.brand-track-container::after {
    right: 0;
    background: linear-gradient(to left, #F3F4F6 0%, transparent 100%);
}

.brand-track {
    display: inline-flex;
    align-items: center;
    gap: 4rem;
    animation: marquee 25s linear infinite;
}

.brand-logo {
    height: 60px;
    filter: grayscale(100%) opacity(0.7);
    transition: var(--transition);
}

.brand-logo:hover {
    filter: grayscale(0%) opacity(1);
}

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

.footer {
    background-color: var(--dark);
    color: var(--white);
    padding: 5rem 0 2rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-logo {
    height: 90px;
    margin-bottom: 1.5rem;
}

.bg-white-rounded {
    background-color: white;
    padding: 5px;
    border-radius: 5px;
}

.footer-text {
    color: #9CA3AF;
}

.footer-col h3 {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary);
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #9CA3AF;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    color: #9CA3AF;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
    color: #9CA3AF;
    font-size: 0.9rem;
}

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    transition: var(--transition);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-5px);
    background-color: #1ebe57;
}

.opacity-0 { opacity: 0; }
.fade-up { transform: translateY(30px); opacity: 0; transition: all 0.8s ease-out; }
.fade-in { opacity: 0; transition: all 0.8s ease-out; }
.fade-right { transform: translateX(-30px); opacity: 0; transition: all 0.8s ease-out; }
.fade-left { transform: translateX(30px); opacity: 0; transition: all 0.8s ease-out; }

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

.is-visible {
    opacity: 1 !important;
    transform: translate(0, 0) !important;
}

@media (max-width: 992px) {
    .course-container {
        flex-direction: column;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition);
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        z-index: 999;
    }

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

    .nav-link {
        color: var(--dark);
        font-size: 1.25rem;
    }

    .menu-toggle {
        display: block;
        z-index: 1000;
    }
    
    .nav-actions .btn-nav {
        display: none;
    }
}