/* ============================================= */
/*                VARIABLES CSS                  */
/* ============================================= */
:root {
    /* Colores principales */
    --primary-blue: #1E3A8A;
    --primary-blue-hover: #2563EB;
    --dark-blue: #1e40af;
    --light-blue: #3b82f6;
    
    /* Colores secundarios */
    --gold: #B6A57A;
    --dark-gray: #2C3E50;
    --light-gray: #f4f4f4;
    --white: #ffffff;
    --black: #333333;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-hover));
    --gradient-card: linear-gradient(135deg, #f8fafc, #e2e8f0);
    --gradient-overlay: linear-gradient(135deg, rgba(30, 58, 138, 0.95), rgba(37, 99, 235, 0.85));
    
    /* Sombras */
    --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-strong: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-blue: 0 10px 15px -3px rgba(30, 58, 138, 0.2);
    
    /* Transiciones */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
    
    /* Tipografía */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
}

/* ============================================= */
/*              ESTILOS GENERALES                */
/* ============================================= */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--light-gray);
    line-height: 1.6;
    color: var(--black);
    overflow-x: hidden;
}

/* Títulos mejorados */
h1, h2, h3 {
    font-weight: 700;
    color: var(--black);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
}

h1 {
    font-size: var(--font-size-4xl);
    text-align: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(2px 2px 4px rgba(30, 58, 138, 0.3));
}

h2 {
    font-size: var(--font-size-3xl);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

h3 {
    font-size: var(--font-size-2xl);
    text-align: center;
}

/* Animaciones mejoradas */
@keyframes pulse-glow {
    0% { 
        text-shadow: 0 0 20px rgba(30, 58, 138, 0.5);
        transform: scale(1);
    }
    100% { 
        text-shadow: 0 0 30px rgba(37, 99, 235, 0.8);
        transform: scale(1.02);
    }
}

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

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

/* ============================================= */
/*              COMPONENTES GLOBALES             */
/* ============================================= */

/* Botón personalizado mejorado */
.btn-custom {
    background: var(--gradient-primary);
    color: var(--white);
    font-weight: 600;
    border-radius: 12px;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.btn-custom::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-normal);
}

.btn-custom:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-blue);
}

.btn-custom:hover::before {
    left: 100%;
}

.btn-custom:active {
    transform: translateY(0);
}

/* Contenedor mejorado */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Botón volver arriba mejorado */
.back-to-top {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-md);
    border-radius: 50%;
    font-size: var(--font-size-xl);
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(10px);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    animation: fadeInUp 0.5s ease-out;
}

.back-to-top:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-strong);
}

/* ============================================= */
/*              NAVEGACIÓN MEJORADA              */
/* ============================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 3px solid var(--primary-blue);
    box-shadow: var(--shadow-soft);
    padding: 15px 30px;
    min-height: 120px;
    z-index: 9999;
    transition: var(--transition-normal);
}

.navbar::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/a2.jpg') no-repeat center -300px;
    background-size: 1450px auto;
    /* opacity: 0.1; */
    z-index: -1;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.navbar-brand img {
    height: 85px;
    margin-left: var(--spacing-xl);
    filter: contrast(1.2) brightness(1.1);
    transition: var(--transition-normal);
}

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

.navbar .nav-link {
    color: var(--black) !important;
    font-weight: 600;
    font-size: var(--font-size-lg);
    transition: var(--transition-fast);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.navbar .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(30, 58, 138, 0.1), transparent);
    transition: var(--transition-normal);
}

.navbar .nav-link:hover {
    color: var(--primary-blue-hover) !important;
    background: rgba(30, 58, 138, 0.05);
    transform: translateY(-2px);
}

.navbar .nav-link:hover::before {
    left: 100%;
}

.navbar .nav-link i {
    color: var(--black) !important;
    margin-right: var(--spacing-sm);
    transition: var(--transition-fast);
}

.navbar .nav-link:hover i {
    transform: scale(1.2) rotate(5deg);
    color: var(--primary-blue-hover) !important;
}

/* ============================================= */
/*              FOOTER MEJORADO                  */
/* ============================================= */
footer {
    position: relative;
    color: black !important;
    text-align: center;
    padding: 10px 0 0 0;
    min-height: 50px;
    border-top: 3px solid #1E3A8A; 
    box-shadow: 0px -4px 8px rgba(0, 0, 0, 0.1);
    width: 100%;
    overflow: hidden; 
}

footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/a2.jpg') no-repeat center -300px;
    background-size: 1350px auto; 
    /* transform: scale(1.5);  */
    z-index: -1; 
}

.footer-info {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin: 0 0;
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.footer-info a {
    color: var(--black) !important;
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
}

.footer-info a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
}

.footer-info a:hover::after {
    width: 100%;
}

.footer-links a {
    background-color: #f2f2f2;
    color: #333333 !important;
    font-size: 22px;
    margin: 0 12px;
    padding: 12px;
    border-radius: 50%;
    border: 2px solid #333333;
    transition: background-color 0.3s ease-in-out, color 0.3s ease-in-out, transform 0.3s;
}

/* .footer-links a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
    border-radius: 50%;
    transform: translate(-50%, -50%);
} */

.footer-links a:hover {
    background-color: #1E3A8A;
    color: #ffffff !important;
    transform: scale(1.2);
}


.footer-links a:hover::before {
    width: 100%;
    height: 100%;
}

/* ============================================= */
/*              CARRUSEL MEJORADO                */
/* ============================================= */
#heroCarousel {
    margin-top: 130px;
    max-width: 100%;
    overflow: hidden;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-xl);
    border-radius: 25px;
    box-shadow: var(--shadow-strong);
    position: relative;
}

.carousel-inner {
    width: 100%;
    height: 500px;
    overflow: hidden;
    border-radius: 25px;
}

.carousel-item {
    position: relative;
    height: 500px;
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

/* .carousel-item:hover img {
    transform: scale(1.05);
} */

.carousel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 0, 0, 0.6), rgba(30, 58, 138, 0.4));
    z-index: 1;
    border-radius: 25px;
}

.hero-title {
    position: relative;
    z-index: 2;
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--white);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    animation: pulse-glow 3s infinite alternate;
    background: linear-gradient(135deg, #ffffff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.carousel-caption {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 2;
    color: var(--white);
    width: 90%;
    /* animation: fadeInUp 1s ease-out; */
}

/* Controles del carrusel mejorados */
.carousel-control-prev,
.carousel-control-next {
    width: 8%;
    opacity: 1;
    z-index: 3;
    transition: var(--transition-fast);
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
    transform: scale(1.1);
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
    background-image: none !important;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-3xl);
    color: var(-hite);
    background: var(--primary-blue-hover);
    border-radius: 50%;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.carousel-control-prev-icon::before {
    content: "\f104";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
}

.carousel-control-next-icon::before {
    content: "\f105";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
}

.carousel-control-prev:hover .carousel-control-prev-icon,
.carousel-control-next:hover .carousel-control-next-icon {
    background: linear-gradient(135deg, var(--primary-blue-hover), var(--light-blue));
    transform: scale(1.1);
    box-shadow: var(--shadow-blue);
}

.carousel-indicators {
    bottom: 20px;
}

.carousel-indicators li {
    background-color: var(--primary-blue);
    width: 14px;
    height: 14px;
    border-radius: 50%;
    opacity: 0.7;
    transition: var(--transition-normal);
    border: 2px solid rgba(255, 255, 255, 0.5);
    cursor: pointer;
}

.carousel-indicators li:hover {
    background-color: var(--primary-blue-hover);
    transform: scale(1.3);
    opacity: 1;
}

.carousel-indicators .active {
    opacity: 1;
    background-color: var(--primary-blue-hover);
    transform: scale(1.2);
    box-shadow: 0 0 15px rgba(37, 99, 235, 0.6);
}


/* ============================================= */
/*              SERVICIOS MEJORADOS              */
/* ============================================= */
.services {
    padding: var(--spacing-xl) 0;
    text-align: center;
    min-height: 600px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.service-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    border-radius: 20px;
    background: var(--white);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-normal);
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(30, 58, 138, 0.05), transparent);
    transition: var(--transition-slow);
}

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

.service-item:hover::before {
    left: 100%;
}

.service-item img {
    width: 100%;
    max-width: 500px;
    border-radius: 15px;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-soft);
}

.service-item img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-medium);
}

.service-info {
    flex: 1;
    max-width: 500px;
    padding: var(--spacing-xl);
    background: var(--gradient-overlay);
    color: var(--white);
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-blue);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: var(--transition-slow);
}

.service-info:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 40px rgba(30, 58, 138, 0.3);
}

.service-info:hover::before {
    transform: translateX(100%);
}

.service-info h3 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.service-info p {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

/* ============================================= */
/*              CARRUSEL DE LOGOS                */
/* ============================================= */
.logos-carousel {
    overflow: hidden;
    width: 100%;
    display: flex;
    align-items: center;
    position: relative;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
}

.logos-track {
    display: flex;
    width: calc(400px * 45);
    animation: scroll 60s linear infinite;
}

.logos-track:hover {
    animation-play-state: paused;
}

.logo-item {
    flex: 0 0 auto;
    width: 400px;
    text-align: center;
    padding: var(--spacing-lg);
}

.logo-box {
    display: flex;
    padding: var(--spacing-md);
    width: 380px;
    height: 220px;
    border-radius: 20px;
    background: var(--white);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-normal);
    overflow: hidden;
    justify-content: center;
    align-items: center;
    position: relative;
    border: 1px solid rgba(30, 58, 138, 0.1);
}

.logo-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
}

.logo-box img {
    border-radius: 15px;
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition-normal);
    position: relative;
    z-index: 2;
}

.logo-box:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-blue);
}

.logo-box:hover::before {
    opacity: 0.05;
}

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

/* ============================================= */
/*              BOTÓN WHATSAPP MEJORADO          */
/* ============================================= */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: var(--white);
    font-size: var(--font-size-3xl);
    padding: var(--spacing-lg);
    border-radius: 50%;
    box-shadow: var(--shadow-strong);
    transition: var(--transition-normal);
    text-decoration: none;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border: 3px solid rgba(255, 255, 255, 0.2);
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 20px 40px rgba(37, 211, 102, 0.4);
    color: var(--white);
}

.whatsapp-float::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: var(--transition-normal);
    transform: translate(-50%, -50%);
}

.whatsapp-float:hover::before {
    width: 100%;
    height: 100%;
}

/* ============================================= */
/*              RESPONSIVE DESIGN                */
/* ============================================= */
@media (max-width: 768px) {
    :root {
        --font-size-4xl: 1.875rem;
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
        --spacing-xl: 2rem;
        --spacing-lg: 1rem;
    }

    .container {
        max-width: 412px !important;
        padding: 0 !important;
    }

    .navbar {
        padding: var(--spacing-sm) var(--spacing-md);
        min-height: 100px;
    }

    .navbar-brand img {
        height: 70px;
        margin-left: auto;
    }

    .navbar .nav-link {
        font-size: var(--font-size-base);
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .back-to-top {
        right: var(--spacing-sm);
        font-size: var(--font-size-lg);
        padding: var(--spacing-sm);
    }

    footer {
        padding: var(--spacing-lg) 0;
    }

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

    .footer-links a {
        font-size: var(--font-size-lg);
        margin: 0 var(--spacing-sm);
        width: 45px;
        height: 45px;
    }

    #heroCarousel {
        margin-top: 110px;
        border-radius: 15px;
    }

    .carousel-inner,
    .carousel-item {
        margin-top: 40px;
        height: 490px;
        border-radius: 15px;
    }

    .carousel-overlay {
        border-radius: 15px;
    }

    .carousel-control-prev,
    .carousel-control-next {
        width: 12%;
    }

    .carousel-control-prev-icon,
    .carousel-control-next-icon {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-lg);
    }

    .services {
        padding: var(--spacing-lg) 0;
        min-height: auto;
    }

    .service-item {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
        border-radius: 15px;
    }

    .service-item img {
        max-width: 100%;
        height: 200px;
    }

    .service-info {
        max-width: 100%;
        padding: var(--spacing-lg);
        border-radius: 15px;
    }

    .service-info h3 {
        font-size: var(--font-size-xl);
    }

    .service-info p {
        font-size: var(--font-size-base);
    }

    .logos-carousel {
        padding: var(--spacing-md);
    }

    .logos-track {
        width: calc(280px * 35);
        animation: scroll 45s linear infinite;
    }

    .logo-item {
        width: 280px;
        padding: var(--spacing-sm);
    }

    .logo-box {
        width: 260px;
        height: 140px;
        border-radius: 15px;
    }

    .whatsapp-float {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        font-size: var(--font-size-2xl);
        padding: var(--spacing-md);
    }
}

/* ============================================= */
/*              UTILIDADES ADICIONALES           */
/* ============================================= */
.fade-in {
    opacity: 0;
    transition: var(--transition-slow);
}

.fade-in.show {
    opacity: 1;
    animation: fadeInUp 0.6s ease-out;
}

/* Efectos de hover globales */
.hover-lift {
    transition: var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.hover-scale {
    transition: var(--transition-normal);
}

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

/* ============================================= */
/*              SECCIONES ESPECÍFICAS            */
/* ============================================= */

/* Hero Section Servicios */
.hero-section-servicio {
    background: url('../images/b1.jpg') center/cover no-repeat;
    background-position: 100% 70%;
    margin-top: 80px;
    height: 450px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    position: relative;
    border-radius: 25px;
    margin-bottom: 50px;
    box-shadow: 0px 4px 10px rgba(30, 58, 138, 0.3); 
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* background: linear-gradient(135deg, rgba(0, 0, 0, 0.4), rgba(30, 58, 138, 0.6)); */
    border-radius: 25px;
    /* backdrop-filter: blur(2px); */
}

/* Tarjetas de servicios mejoradas */
.service-card-servicio {
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    transition: var(--transition-normal);
    cursor: pointer;
    text-align: center;
    display: flex;
    flex-direction: column;
    height: 420px;
    position: relative;
    border: 1px solid rgba(30, 58, 138, 0.1);
}

.service-card-servicio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 1;
}

.service-card-servicio:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-blue);
}

.service-card-servicio:hover::before {
    opacity: 0.05;
}

.service-image-container {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
    z-index: 2;
}

.service-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

.service-card-servicio:hover .service-image {
    transform: scale(1.1);
    filter: brightness(1.1);
}

.service-content {
    padding: var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--black);
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
}

.service-card-servicio:hover .service-title {
    color: var(--primary-blue);
    transform: translateY(-2px);
}

.service-text {
    font-size: var(--font-size-base);
    color: #666;
    line-height: 1.6;
    transition: var(--transition-fast);
}

.service-card-servicio:hover .service-text {
    color: var(--black);
}

/* ============================================= */
/*              SECCIÓN AEROPUERTO               */
/* ============================================= */
.hero-section-aero {
    background: url('../images/bombar.jpg') center/cover no-repeat;
    margin-top: 80px;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);
    position: relative;
    border-radius: 20px;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-strong);
    overflow: hidden;
}

.hero-section-aero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.5), rgba(44, 62, 80, 0.7));
    border-radius: 20px;
}

#search {
    display: block;
    width: 100%;
    max-width: 500px;
    margin: 0 auto var(--spacing-lg);
    padding: var(--spacing-lg);
    border: 2px solid var(--dark-gray);
    border-radius: 25px;
    font-size: var(--font-size-lg);
    text-align: center;
    background: var(--white);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-soft);
}

#search:focus {
    box-shadow: 0 0 20px rgba(44, 62, 80, 0.3);
    outline: none;
    border-color: var(--primary-blue);
    transform: translateY(-2px);
}

.card {
    background: var(--white);
    border-radius: 20px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-normal);
    border: 2px solid transparent;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(44, 62, 80, 0.05), transparent);
    opacity: 0;
    transition: var(--transition-normal);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-strong);
    border-color: var(--dark-gray);
}

.card:hover::before {
    opacity: 1;
}

.card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 15px;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-soft);
}

.card img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-medium);
}

.map-container {
    height: 280px;
    width: 100%;
    border-radius: 15px;
    border: 2px solid var(--dark-gray);
    margin-top: var(--spacing-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.btn-maps {
    background: var(--gradient-primary);
    color: var(--white);
    font-weight: 600;
    border-radius: 25px;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    transition: var(--transition-normal);
    display: block;
    text-align: center;
    width: 100%;
    border: none;
    cursor: pointer;
    margin-top: var(--spacing-md);
    text-decoration: none;
    box-shadow: var(--shadow-soft);
}

.btn-maps:hover {
    background: linear-gradient(135deg, var(--primary-blue-hover), var(--light-blue));
    transform: translateY(-2px);
    box-shadow: var(--shadow-blue);
    color: var(--white);
}

.region-title {
    font-size: var(--font-size-4xl);
    text-align: center;
    color: var(--primary-blue);
    margin-top: var(--spacing-xl);
    font-weight: 700;
    position: relative;
    padding-bottom: var(--spacing-md);
}

.region-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* ============================================= */
/*              SECCIÓN NOSOTROS                 */
/* ============================================= */
.hero-section-nos {
    background: url('../images/glo.png') center/cover no-repeat;
    background-position: 100% 10%;
    margin-top: 80px;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);
    position: relative;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow-strong);
}

.hero-section-nos::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6), rgba(30, 58, 138, 0.4));
    border-radius: 25px;
    /* backdrop-filter: blur(2px); */
}

.hero-content {
    position: relative;
    z-index: 2;
    /* animation: fadeInUp 1s ease-out; */
}

/* Timeline mejorada */
.timeline {
    position: relative;
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 20px;
    margin: var(--spacing-xl) 0;
}

.timeline::before {
    content: "";
    position: absolute;
    width: 4px;
    background: var(--gradient-primary);
    top: 120px;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(30, 58, 138, 0.3);
}

.timeline-item {
    position: relative;
    width: 45%;
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-soft);
    margin-bottom: var(--spacing-xl);
    transition: var(--transition-normal);
    border: 1px solid rgba(30, 58, 138, 0.1);
}

.timeline-item::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    top: 50%;
    box-shadow: 0 0 15px rgba(30, 58, 138, 0.4);
    border: 3px solid var(--white);
}

.timeline-item.left {
    text-align: right;
    left: 0;
    padding-right: var(--spacing-xl);
    justify-content: flex-end;
}

.timeline-item.left::before {
    right: -32px;
}

.timeline-item.right {
    text-align: left;
    left: 55%;
    padding-left: var(--spacing-xl);
    justify-content: flex-start;
}

.timeline-item.right::before {
    left: -32px;
}

.timeline-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.timeline-icon {
    font-size: var(--font-size-3xl);
    color: var(--primary-blue);
    margin-right: var(--spacing-lg);
    transition: var(--transition-fast);
}

.timeline-item.right .timeline-icon {
    margin-left: var(--spacing-lg);
    margin-right: 0;
}

.timeline-item:hover .timeline-icon {
    transform: scale(1.2) rotate(10deg);
    color: var(--primary-blue-hover);
}

/* Tarjetas de valores */
.value-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 20px;
    text-align: center;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(30, 58, 138, 0.1);
    height: 100%;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
    transform: translateY(100%);
}

.value-card:hover {
    transform: translateY(-5px) scale(1.03);
    color: var(--white);
    box-shadow: var(--shadow-blue);
}

.value-card:hover::before {
    opacity: 1;
    transform: translateY(0);
}

.value-card > * {
    position: relative;
    z-index: 2;
}

/* Estadísticas mejoradas */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
    border-radius: 25px;
    box-shadow: var(--shadow-strong);
    margin: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    opacity: 0.3;
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 2;
}

.stat-card:hover {
    transform: translateY(-5px) scale(1.05);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-medium);
}

.stat-item {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin: var(--spacing-md) 0;
    background: linear-gradient(135deg, #ffffff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-title {
    font-size: var(--font-size-lg);
    font-weight: 500;
    opacity: 0.9;
}

.stat-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
    opacity: 0.8;
    transition: var(--transition-fast);
}

.stat-card:hover .stat-icon {
    transform: scale(1.2) rotate(5deg);
    opacity: 1;
}

/* Misión y Visión */
.nosotros-section {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 25px;
    box-shadow: var(--shadow-soft);
    margin: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(30, 58, 138, 0.1);
}

.nosotros-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(30, 58, 138, 0.03), transparent);
}

.nosotros-section .row {
    align-items: center;
    position: relative;
    z-index: 2;
}

.nosotros-section h2 {
    color: var(--black);
    font-weight: 700;
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: var(--transition-fast);
}

.nosotros-section h2:hover {
    color: var(--primary-blue);
    transform: translateX(5px);
}

.nosotros-icon {
    font-size: var(--font-size-4xl);
    color: var(--primary-blue);
    padding: var(--spacing-md);
    background: rgba(30, 58, 138, 0.1);
    border-radius: 15px;
    transition: var(--transition-fast);
}

.nosotros-section h2:hover .nosotros-icon {
    transform: rotate(5deg) scale(1.1);
    background: var(--primary-blue);
    color: var(--white);
}

.nosotros-section p {
    font-size: var(--font-size-lg);
    color: #555;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

/* ============================================= */
/*              SECCIÓN CONTACTO                 */
/* ============================================= */
.contact-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: var(--spacing-xl) 0;
    margin-top: 120px;
}

.contact-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 25px;
    box-shadow: var(--shadow-soft);
    border: 2px solid var(--dark-gray);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(44, 62, 80, 0.03), transparent);
}

.contact-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.form-control, .form-select {
    border-radius: 12px;
    border: 2px solid #e2e8f0;
    padding: var(--spacing-md);
    transition: var(--transition-normal);
    font-size: var(--font-size-base);
    background: #f8fafc;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 15px rgba(30, 58, 138, 0.2);
    background: var(--white);
    transform: translateY(-1px);
}

.form-label {
    font-weight: 600;
    color: var(--black);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
}

/* ============================================= */
/*              CHATBOT MEJORADO                 */
/* ============================================= */
#chatbot-icon {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    box-shadow: var(--shadow-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-normal);
    background: var(--gradient-primary);
    border: 3px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    z-index: 1001;
}

#chatbot-icon:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-blue);
}

#chatbot-icon img {
    width: 80%;
    height: 80%;
    border-radius: 50%;
    object-fit: cover;
}

#chatbot-container {
    position: fixed;
    bottom: 110px;
    left: 20px;
    width: 350px;
    height: 400px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-strong);
    display: none;
    flex-direction: column;
    overflow: hidden;
    z-index: 1000;
    border: 1px solid rgba(30, 58, 138, 0.1);
    backdrop-filter: blur(10px);
}

#chatbot-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

#chatbot-header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
}

#chatbot-header button {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    color: var(--white);
    cursor: pointer;
    transition: var(--transition-fast);
    padding: var(--spacing-xs);
    border-radius: 50%;
}

#chatbot-header button:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

#chatbot-messages {
    flex-grow: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
    font-size: var(--font-size-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    background: #f8fafc;
}

.chatbot-message {
    padding: var(--spacing-md);
    margin: var(--spacing-xs) 0;
    border-radius: 15px;
    max-width: 85%;
    word-wrap: break-word;
    opacity: 0;
    transform: translateY(20px);
    animation: chatFadeIn 0.4s ease-out forwards;
    box-shadow: var(--shadow-soft);
}

@keyframes chatFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-message {
    background: var(--gradient-primary);
    color: var(--white);
    text-align: right;
    align-self: flex-end;
    border-radius: 15px 15px 5px 15px;
    position: relative;
}

.user-message::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: -5px;
    width: 0;
    height: 0;
    border-left: 5px solid var(--primary-blue);
    border-top: 5px solid transparent;
}

.bot-message {
    background: var(--white);
    color: var(--black);
    text-align: left;
    align-self: flex-start;
    border-radius: 15px 15px 15px 5px;
    border: 1px solid #e2e8f0;
    position: relative;
}

.bot-message::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -5px;
    width: 0;
    height: 0;
    border-right: 5px solid var(--white);
    border-top: 5px solid transparent;
}

.boton-volver {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-top: var(--spacing-sm);
    border-radius: 8px;
    cursor: pointer;
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
    font-weight: 500;
}

.boton-volver:hover {
    background: linear-gradient(135deg, var(--primary-blue-hover), var(--light-blue));
    transform: translateY(-1px);
}

.opcion-chatbot {
    color: var(--primary-blue);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-fast);
    padding: var(--spacing-xs);
    border-radius: 5px;
    display: inline-block;
}

.opcion-chatbot:hover {
    color: var(--primary-blue-hover);
    background: rgba(30, 58, 138, 0.1);
    transform: translateX(3px);
}

/* ============================================= */
/*              RESPONSIVE ADICIONAL             */
/* ============================================= */
@media (max-width: 768px) {
    .hero-section-servicio,
    .hero-section-aero,
    .hero-section-nos {
        height: 350px;
        margin-top: 80px;
        border-radius: 20px;
    }

    .hero-overlay {
        border-radius: 20px;
    }

    .service-card-servicio {
        height: auto;
        margin-bottom: var(--spacing-lg);
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        width: calc(100% - 60px);
        left: 60px !important;
        text-align: left !important;
        padding-left: var(--spacing-lg) !important;
        margin-left: 0;
    }

    .timeline-item::before {
        left: -42px !important;
    }

    .timeline-icon {
        margin-right: var(--spacing-md) !important;
        margin-left: 0 !important;
    }

    .stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .nosotros-section {
        text-align: center;
    }

    .nosotros-section h2 {
        justify-content: center;
        text-align: center;
    }

    .contact-card {
        padding: var(--spacing-lg);
        border-radius: 20px;
    }

    #chatbot-container {
        width: calc(100vw - 40px);
        left: 20px;
        right: 20px;
    }
}