/* Variables CSS personalizadas */
:root {
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --light-blue: #60a5fa;
    --sky-blue: #0ea5e9;
    --white: #ffffff;
    --light-gray: #f8fafc;
    --gray: #64748b;
    --dark-gray: #334155;
}

/* Estilos base personalizados */
body {
    font-family: 'Poppins', sans-serif;
    scroll-behavior: smooth;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Optimizaciones de performance */
img {
    max-width: 100%;
    height: auto;
}

/* Lazy loading placeholder */
img.lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

img.lazy.loaded {
    opacity: 1;
}

/* Clases de utilidad personalizadas */
.text-light-blue {
    color: var(--light-blue) !important;
}

.bg-primary-blue {
    background-color: var(--primary-blue) !important;
}

.bg-secondary-blue {
    background-color: var(--secondary-blue) !important;
}

/* Header y Navegación personalizada */
.header {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue)) !important;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: var(--primary-blue) !important;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

/* Navbar con fondo sólido cuando está fijo */
.navbar.fixed-top {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue)) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* Sombra sutil para separar del contenido */
.navbar.fixed-top {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    color: var(--white) !important;
    font-weight: 700;
    font-size: 1.5rem;
}

.navbar-brand i {
    color: var(--light-blue) !important;
}

/* Estilos para el logo */
.logo-img {
    max-height: 40px;
    width: auto;
    object-fit: contain;
}

.navbar-brand .logo-img {
    filter: brightness(0) invert(1); /* Hace el logo blanco */
}

.footer .logo-img {
    filter: brightness(0) invert(1); /* Hace el logo blanco en el footer */
}

.navbar-nav .nav-link {
    color: var(--white) !important;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem !important;
    border-radius: 4px;
}

.navbar-nav .nav-link:hover {
    color: var(--light-blue) !important;
    background-color: rgba(255, 255, 255, 0.1);
}

.navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Hero Section personalizado */
.hero {
    background: linear-gradient(135deg, var(--primary-blue), var(--sky-blue));
    color: var(--white);
    padding-top: 60px;
    min-height: 100vh;
}

.hero-content h1 {
    color: var(--white);
}

.hero-content h2 {
    color: var(--light-blue);
}

.hero-content p {
    opacity: 0.9;
}

.hero-image img {
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Secciones generales personalizadas */
.section-title {
    color: var(--primary-blue);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-blue), var(--sky-blue));
    border-radius: 2px;
}

/* Servicios personalizados */
.services {
    background-color: var(--light-gray);
}

.service-card {
    background: var(--white);
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(59, 130, 246, 0.1);
    height: 100%;
    padding: 2rem;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--sky-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: var(--white);
}

.service-card h3 {
    color: var(--primary-blue);
}

.service-card p {
    color: var(--gray);
}

/* Nosotros personalizado */
.about {
    background: var(--white);
}

.about-text h2 {
    color: var(--primary-blue);
}

.about-text p {
    color: var(--gray);
}

.feature i {
    color: var(--secondary-blue);
}

.feature span {
    color: var(--dark-gray);
}

.about-image img {
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Portfolio personalizado */
.portfolio {
    background-color: var(--light-gray);
}

.portfolio-item {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.portfolio-item:hover {
    transform: scale(1.02);
}

.portfolio-overlay {
    background: linear-gradient(transparent, rgba(30, 58, 138, 0.9));
    color: var(--white);
}

/* Contacto personalizado */
.contact {
    background: var(--white);
}

.contact-info h3,
.contact-form h3 {
    color: var(--primary-blue);
}

.contact-item i {
    color: var(--secondary-blue);
}

.contact-item h4 {
    color: var(--dark-gray);
}

.contact-item p {
    color: var(--gray);
}

.social-media h4 {
    color: var(--dark-gray);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--sky-blue));
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    color: var(--white);
}

/* Formulario personalizado */
.contact-form {
    background: var(--light-gray);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

/* Footer personalizado */
.footer {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
}

.footer-section h4 {
    color: var(--light-blue);
}

.footer-section ul li a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--light-blue);
}

.footer-section p {
    color: var(--white);
}

.footer-section .social-links .social-link {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.footer-section .social-links .social-link:hover {
    background: var(--light-blue);
    transform: translateY(-3px);
}

/* Estilos adicionales para mejorar la experiencia */
.btn-primary {
    background-color: var(--light-blue);
    border-color: var(--light-blue);
}

.btn-primary:hover {
    background-color: var(--secondary-blue);
    border-color: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

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

/* Animaciones suaves */
.service-card,
.portfolio-item,
.social-link {
    transition: all 0.3s ease;
}

/* Mejoras para mobile */
@media (max-width: 768px) {
    .hero-content {
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* Estilos para el carrusel de imágenes */
.image-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.image-carousel .carousel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: opacity 1.5s ease-in-out;
    opacity: 0;
}

.image-carousel .carousel-image.active {
    opacity: 1;
    display: block !important;
    position: relative;
}

.image-carousel .carousel-image:not(.active) {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
}