/* Variables globales mejoradas - Nueva paleta Azul Marino Corporativo */
:root {
    --azul-marino-primario: #0A1A44;
    --azul-marino-secundario: #1E3A8A;
    --azul-acento: #3B5BDB;
    --fondo-claro: #F8FAFF;
    --texto-oscuro: #1E293B;
    --blanco-puro: #FFFFFF;
    --blanco-hueso: #f8f9fa;
    --gris-sutil: #e9ecef;
    --gris-medio: #94A3B8;
    --sombra-suave: 0 10px 30px rgba(10, 26, 68, 0.1);
    --sombra-fuerte: 0 15px 40px rgba(10, 26, 68, 0.2);
    --transicion-suave: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --borde-redondo: 8px;
    --borde-redondo-full: 50px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--texto-oscuro);
    background: var(--blanco-hueso);
    overflow-x: hidden;
}

/* Tipografía mejorada */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--azul-marino-primario);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transicion-suave);
}

/* Container mejorado */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header mejorado */
.header {
    background: var(--blanco-puro);
    box-shadow: var(--sombra-suave);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
    animation: slideDown 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

/* Logo mejorado - Versión Azul Marino */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 50px;
    width: auto;
}

.logo h1 {
    font-size: 2rem;
    color: var(--azul-marino-primario);
    letter-spacing: -0.5px;
    font-weight: 700;
    margin: 0;
}

.logo span {
    color: var(--azul-marino-secundario);
    font-weight: 800;
}

/* Navegación mejorada */
.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    color: var(--azul-marino-primario);
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    padding: 5px 0;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--azul-acento);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.nav-menu a:hover::before,
.nav-menu a.active::before {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--azul-acento);
}

/* Menú toggle mejorado */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--azul-marino-primario);
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: var(--borde-redondo);
    transition: var(--transicion-suave);
}

.menu-toggle:hover {
    background: var(--gris-sutil);
    color: var(--azul-acento);
}

/* Botón WhatsApp mejorado */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, #25d366, #128C7E);
    color: var(--blanco-puro);
    padding: 16px 28px;
    border-radius: var(--borde-redondo-full);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
    z-index: 999;
    animation: pulse 2.5s infinite;
    transition: var(--transicion-suave);
    border: 2px solid transparent;
}

.whatsapp-float:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.6);
    background: linear-gradient(135deg, #128C7E, #0e6b5e);
    border-color: var(--blanco-puro);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 20px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

.whatsapp-float i {
    font-size: 1.8rem;
}

.whatsapp-float span {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Footer mejorado */
.footer {
    background: linear-gradient(135deg, var(--azul-marino-primario), var(--azul-marino-secundario));
    color: var(--blanco-puro);
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--azul-acento), transparent, var(--azul-acento));
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.footer-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--blanco-puro);
    background: none;
    -webkit-text-fill-color: var(--blanco-puro);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--azul-acento);
    position: relative;
    display: inline-block;
}

.footer-links h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--azul-acento);
    border-radius: 2px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gris-medio);
    transition: var(--transicion-suave);
    display: inline-block;
    position: relative;
    padding-left: 0;
}

.footer-links a::before {
    content: '→';
    position: absolute;
    left: -20px;
    opacity: 0;
    transition: var(--transicion-suave);
    color: var(--azul-acento);
}

.footer-links a:hover {
    color: var(--blanco-puro);
    transform: translateX(20px);
}

.footer-links a:hover::before {
    opacity: 1;
    left: 0;
}

.footer-contact p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transicion-suave);
}

.footer-contact p:hover {
    transform: translateX(10px);
    color: var(--azul-acento);
}

.footer-contact i {
    color: var(--blanco-puro);
    font-size: 1.2rem;
    width: 24px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    position: relative;
    z-index: 1;
    color: var(--gris-medio);
}

/* Responsive mejorado */
@media (max-width: 1024px) {
    .nav-menu ul {
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--blanco-puro);
        transition: var(--transicion-suave);
        padding: 40px 20px;
        box-shadow: var(--sombra-fuerte);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    
    .nav-menu a {
        font-size: 1.3rem;
        display: block;
        padding: 10px 20px;
        border-radius: var(--borde-redondo);
        color: var(--azul-marino-primario);
    }
    
    .nav-menu a:hover {
        background: var(--gris-sutil);
        color: var(--azul-acento);
    }
    
    .whatsapp-float {
        padding: 14px 20px;
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-float span {
        display: none;
    }
    
    .whatsapp-float i {
        font-size: 2rem;
    }
    
    .whatsapp-float:hover {
        transform: scale(1.1);
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: 15px 0;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
}

/* Utilidades mejoradas */
.btn {
    display: inline-block;
    padding: 14px 35px;
    background: linear-gradient(135deg, var(--azul-acento), var(--azul-marino-secundario));
    color: var(--blanco-puro);
    border-radius: var(--borde-redondo);
    transition: var(--transicion-suave);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::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: left 0.6s;
    z-index: -1;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(59, 91, 219, 0.4);
}

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--azul-acento);
    color: var(--blanco-puro);
}

.btn-outline:hover {
    background: linear-gradient(135deg, var(--azul-acento), var(--azul-marino-secundario));
    color: var(--blanco-puro);
    border-color: transparent;
}

/* Secciones mejoradas */
.section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.8rem;
    color: var(--azul-marino-primario);
    margin-bottom: 20px;
    font-weight: 800;
}

.section-title .underline {
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--azul-acento), transparent);
    margin: 0 auto;
    border-radius: 2px;
}

/* Elementos adicionales para reforzar el azul marino como dominante */
.card {
    background: var(--blanco-puro);
    border-radius: var(--borde-redondo);
    padding: 30px;
    box-shadow: var(--sombra-suave);
    border: 1px solid var(--gris-sutil);
    transition: var(--transicion-suave);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--sombra-fuerte);
    border-color: var(--azul-acento);
}

.card h3 {
    color: var(--azul-marino-primario);
    margin-bottom: 15px;
}

.card i {
    color: var(--azul-acento);
    font-size: 2.5rem;
    margin-bottom: 20px;
}

/* Bordes y elementos destacados */
.border-accent {
    border: 2px solid var(--azul-acento);
}

.border-primary {
    border: 2px solid var(--azul-marino-primario);
}

.border-secondary {
    border: 2px solid var(--azul-marino-secundario);
}

/* Iconos */
.icon-primary {
    color: var(--azul-marino-primario);
}

.icon-accent {
    color: var(--azul-acento);
}

/* Encabezados de sección con línea decorativa */
.section-header {
    margin-bottom: 50px;
    position: relative;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--azul-marino-primario);
    margin-bottom: 15px;
}

.section-header .divider {
    width: 80px;
    height: 4px;
    background: var(--azul-acento);
    margin: 0 auto 20px;
    border-radius: 2px;
}

/* Enlaces destacados */
.link-accent {
    color: var(--azul-acento);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.link-accent:hover {
    color: var(--azul-marino-primario);
    gap: 12px;
}

.link-accent i {
    font-size: 0.9rem;
}

/* Valores y estadísticas */
.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--azul-marino-primario);
    line-height: 1.2;
}

.stat-label {
    color: var(--texto-oscuro);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Formularios */
input, textarea, select {
    border: 2px solid var(--gris-sutil);
    border-radius: var(--borde-redondo);
    padding: 12px 16px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transicion-suave);
    width: 100%;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--azul-acento);
    box-shadow: 0 0 0 3px rgba(59, 91, 219, 0.1);
}

/* Tablas */
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--blanco-puro);
    border-radius: var(--borde-redondo);
    overflow: hidden;
    box-shadow: var(--sombra-suave);
}

th {
    background: var(--azul-marino-primario);
    color: var(--blanco-puro);
    font-weight: 600;
    padding: 15px;
    text-align: left;
}

td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--gris-sutil);
}

tr:hover {
    background: var(--fondo-claro);
}

/* Paginación */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.pagination a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--borde-redondo);
    background: var(--blanco-puro);
    color: var(--azul-marino-primario);
    font-weight: 600;
    box-shadow: var(--sombra-suave);
}

.pagination a:hover,
.pagination a.active {
    background: var(--azul-acento);
    color: var(--blanco-puro);
}

/* Badges y etiquetas */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: var(--azul-marino-primario);
    color: var(--blanco-puro);
}

.badge-accent {
    background: var(--azul-acento);
    color: var(--blanco-puro);
}

.badge-outline {
    border: 2px solid var(--azul-acento);
    color: var(--azul-acento);
    background: transparent;
}

/* ============================================
   PANTALLA DE CARGA — PAGE LOADER
   ============================================ */

.page-loader {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: var(--azul-marino-primario);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.55s ease, visibility 0.55s ease;
}

.page-loader.loader-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
    animation: loaderFadeIn 0.5s ease;
}

@keyframes loaderFadeIn {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Engranajes */
.loader-gears {
    position: relative;
    width: 110px;
    height: 90px;
}

.loader-gear-big {
    position: absolute;
    font-size: 72px;
    color: var(--azul-acento);
    bottom: 0;
    left: 0;
    animation: gearCW 2s linear infinite;
    filter: drop-shadow(0 0 12px rgba(59, 91, 219, 0.55));
}

.loader-gear-small {
    position: absolute;
    font-size: 40px;
    color: #7c9ef5;
    top: 0;
    right: 0;
    animation: gearCCW 2s linear infinite;
    filter: drop-shadow(0 0 8px rgba(124, 158, 245, 0.45));
}

@keyframes gearCW {
    to { transform: rotate(360deg); }
}
@keyframes gearCCW {
    to { transform: rotate(-360deg); }
}

/* Marca */
.loader-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--blanco-puro);
}

.loader-brand img {
    height: 50px;
    width: auto;
    filter: brightness(0) invert(1);
}

.loader-brand span {
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
}

.loader-brand strong {
    color: var(--azul-acento);
    font-weight: 800;
}

/* Barra de progreso */
.loader-bar-track {
    width: 220px;
    height: 4px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 4px;
    overflow: hidden;
}

.loader-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--azul-acento), #7c9ef5);
    border-radius: 4px;
    animation: loaderProgress 1.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes loaderProgress {
    0%   { width: 0%; }
    60%  { width: 75%; }
    100% { width: 100%; }
}

/* Tagline */
.loader-tagline {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    animation: loaderDots 1.4s steps(3, end) infinite;
}

@keyframes loaderDots {
    0%   { opacity: 0.5; }
    50%  { opacity: 1; }
    100% { opacity: 0.5; }
}

@media (max-width: 480px) {
    .loader-gear-big  { font-size: 56px; }
    .loader-gear-small { font-size: 32px; }
    .loader-gears { width: 86px; height: 70px; }
    .loader-brand span { font-size: 1.3rem; }
    .loader-bar-track { width: 170px; }
}