/* =============================================
   ESTILOS GENERALES - MD CONSULTORÍA MODERNA
   ============================================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

:root {
    /* Paleta moderna - Negros, Grises y Azul profesional */
    --color-primario: #0a0a0a;
    --color-secundario: #1a1a1a;
    --color-terciario: #2a2a2a;
    --color-accento: #2563eb;
    --color-accento-hover: #1d4ed8;
    --color-texto: #e5e5e5;
    --color-texto-claro: #a3a3a3;
    --color-texto-suave: #737373;
    --color-fondo: #000000;
    --color-blanco: #ffffff;
    --color-gris-oscuro: #171717;
    --color-gris-medio: #404040;
    --color-borde: #333333;
    --color-sombra: rgba(0, 0, 0, 0.25);
    
    /* Efectos de vidrio */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.36);
    
    /* Degradados modernos */
    --gradiente-primario: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    --gradiente-secundario: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    --gradiente-accento: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    
    /* Sombras suaves */
    --sombra-suave: 0 2px 20px rgba(0, 0, 0, 0.3);
    --sombra-media: 0 4px 30px rgba(0, 0, 0, 0.4);
    --sombra-fuerte: 0 8px 40px rgba(0, 0, 0, 0.5);
    
    /* Transiciones elegantes */
    --transicion-rapida: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transicion-media: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transicion-lenta: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Bordes redondeados */
    --radio-borde: 16px;
    --radio-borde-pequeno: 8px;
    --radio-borde-grande: 24px;
}

body {
    color: var(--color-texto);
    line-height: 1.7;
    background-color: var(--color-fondo);
    overflow-x: hidden;
    font-weight: 400;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: 
        radial-gradient(circle at 0% 0%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
        var(--color-fondo);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Tipografía moderna */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-blanco);
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-blanco) 0%, var(--color-texto) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out;
}

h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

h4 {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
}

p {
    margin-bottom: 1.2rem;
    color: var(--color-texto);
    font-size: 1.05rem;
    line-height: 1.6;
}

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

/* ===== ANIMACIONES PERSONALIZADAS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* ===== HEADER Y NAVEGACIÓN MODERNA ===== */
header {
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transicion-rapida);
    border-bottom: 1px solid var(--glass-border);
}

.header-scroll {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: var(--sombra-media);
}

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

.logo-izquierdo {
    display: flex;
    align-items: center;
}

.logo-imagen {
    height: 50px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    transition: var(--transicion-rapida);
    filter: brightness(0) invert(1);
}

.logo-imagen:hover {
    transform: scale(1.05);
    filter: brightness(0) invert(1) drop-shadow(0 0 8px var(--color-accento));
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    margin: 0;
    padding: 0;
}

nav ul li {
    position: relative;
}

nav ul li a {
    text-decoration: none;
    color: var(--color-texto);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transicion-rapida);
    position: relative;
    padding: 8px 0;
    display: block;
}

nav ul li a:hover {
    color: var(--color-blanco);
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background: var(--gradiente-accento);
    transition: var(--transicion-rapida);
    border-radius: 1px;
}

nav ul li a:hover::after {
    width: 100%;
}

.btn-contacto {
    background: var(--gradiente-accento);
    color: var(--color-blanco);
    padding: 14px 32px;
    border-radius: var(--radio-borde-pequeno);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transicion-rapida);
    border: none;
    cursor: pointer;
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
}

.btn-contacto:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

/* ===== HERO SECTION MODERNA ===== */
.hero {
    background: var(--gradiente-primario);
    color: var(--color-blanco);
    padding: 220px 0 140px;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.05) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero p {
    font-size: 1.3rem;
    margin: 0 auto 3rem;
    opacity: 0.9;
    color: var(--color-texto-claro);
    max-width: 600px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.btn-hero {
    display: inline-block;
    background: var(--gradiente-accento);
    color: var(--color-blanco);
    padding: 18px 42px;
    border-radius: var(--radio-borde-pequeno);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: var(--transicion-rapida);
    border: none;
    box-shadow: var(--sombra-media);
    min-width: 240px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.4);
}

.btn-hero-outline {
    background: transparent;
    color: var(--color-blanco);
    border: 2px solid var(--color-gris-medio);
    backdrop-filter: blur(10px);
}

.btn-hero-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-accento);
}

/* ===== ESTADÍSTICAS MODERNAS ===== */
.estadisticas {
    padding: 100px 0;
    background: var(--gradiente-secundario);
    position: relative;
}

.estadisticas::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accento), transparent);
}

.estadisticas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
    text-align: center;
}

.estadistica-item {
    padding: 40px 30px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: var(--radio-borde);
    box-shadow: var(--glass-shadow);
    transition: var(--transicion-rapida);
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.estadistica-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradiente-accento);
    transform: scaleX(0);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: left;
}

.estadistica-item:hover {
    transform: translateY(-8px);
    border-color: var(--color-accento);
}

.estadistica-item:hover::before {
    transform: scaleX(1);
}

.estadistica-numero {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-blanco);
    margin-bottom: 10px;
    line-height: 1;
    transition: var(--transicion-rapida);
    position: relative;
    display: inline-block;
}

.estadistica-texto {
    color: var(--color-texto-claro);
    font-weight: 500;
    font-size: 1.05rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== SERVICIOS MODERNOS ===== */
.servicios {
    padding: 120px 0;
    background: var(--color-fondo);
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 80px;
}

.section-title h2 {
    font-size: 3.2rem;
    color: var(--color-blanco);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background: var(--gradiente-accento);
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.section-title p {
    color: var(--color-texto-claro);
    max-width: 700px;
    margin: 1.5rem auto 0;
    font-size: 1.15rem;
    line-height: 1.7;
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.servicio-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: var(--radio-borde);
    padding: 50px 35px;
    text-align: center;
    transition: var(--transicion-rapida);
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--glass-border);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.servicio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradiente-accento);
    transform: scaleX(0);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: left;
}

.servicio-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-accento);
}

.servicio-card:hover::before {
    transform: scaleX(1);
}

.servicio-card.destacado {
    position: relative;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(37, 99, 235, 0.05));
    border: 1px solid rgba(37, 99, 235, 0.3);
}

.servicio-card.destacado::after {
    content: 'POPULAR';
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradiente-accento);
    color: var(--color-blanco);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.servicio-icon {
    font-size: 3.5rem;
    color: var(--color-accento);
    margin-bottom: 30px;
    display: inline-block;
    transition: var(--transicion-rapida);
    animation: float 3s ease-in-out infinite;
}

.servicio-card:hover .servicio-icon {
    animation: float 1.5s ease-in-out infinite;
}

.servicio-card h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--color-blanco);
}

.servicio-card p {
    color: var(--color-texto-claro);
    margin-bottom: 30px;
    flex-grow: 1;
    line-height: 1.6;
}

.servicio-link {
    color: var(--color-accento);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transicion-rapida);
    font-size: 1rem;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.servicio-link::after {
    content: '→';
    transition: var(--transicion-rapida);
    transform: translateX(-10px);
    opacity: 0;
}

.servicio-link:hover {
    color: var(--color-blanco);
    gap: 15px;
}

.servicio-link:hover::after {
    transform: translateX(0);
    opacity: 1;
}

/* ===== POR QUÉ ELEGIRNOS MODERNO ===== */
.porque-elegirnos {
    padding: 120px 0;
    background: var(--gradiente-secundario);
    position: relative;
}

.elegirnos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.elegirnos-item {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: var(--radio-borde);
    padding: 45px 35px;
    text-align: center;
    transition: var(--transicion-rapida);
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.elegirnos-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradiente-accento);
    transform: scaleX(0);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: left;
}

.elegirnos-item:hover {
    transform: translateY(-8px);
    border-color: var(--color-accento);
}

.elegirnos-item:hover::before {
    transform: scaleX(1);
}

.elegirnos-icon {
    font-size: 3.5rem;
    color: var(--color-accento);
    margin-bottom: 25px;
    display: inline-block;
    transition: var(--transicion-rapida);
    animation: float 3s ease-in-out infinite;
}

.elegirnos-item:hover .elegirnos-icon {
    animation: float 1.5s ease-in-out infinite;
}

.elegirnos-item h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: var(--color-blanco);
}

.elegirnos-item p {
    color: var(--color-texto-claro);
    line-height: 1.6;
}

/* ===== FORMULARIO DE CONTACTO MODERNO ===== */
.contacto {
    padding: 120px 0;
    background: var(--gradiente-primario);
    color: var(--color-blanco);
    position: relative;
    overflow: hidden;
}

.contacto::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 90%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 90% 10%, rgba(37, 99, 235, 0.05) 0%, transparent 50%);
}

.contacto-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    position: relative;
    z-index: 1;
}

.contacto-info h2,
.contacto-form h2 {
    font-size: 2.8rem;
    margin-bottom: 25px;
    color: var(--color-blanco);
}

.contacto-info p {
    color: var(--color-texto-claro);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 30px;
}

.contacto-datos {
    margin-top: 40px;
}

.contacto-dato {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    padding: 20px;
    background: var(--glass-bg);
    border-radius: var(--radio-borde-pequeno);
    transition: var(--transicion-rapida);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
}

.contacto-dato:hover {
    transform: translateX(10px);
    border-color: var(--color-accento);
    background: rgba(37, 99, 235, 0.1);
}

.contacto-dato i {
    font-size: 1.5rem;
    margin-right: 20px;
    width: 24px;
    color: var(--color-accento);
    flex-shrink: 0;
}

.contacto-dato div {
    flex: 1;
}

.contacto-dato strong {
    color: var(--color-blanco);
    font-weight: 600;
    display: block;
    margin-bottom: 8px;
}

.contacto-dato div:not(strong) {
    color: var(--color-texto-claro);
    line-height: 1.5;
}

.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-control {
    width: 100%;
    padding: 18px 20px;
    border: none;
    border-radius: var(--radio-borde-pequeno);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    font-size: 1rem;
    transition: var(--transicion-rapida);
    color: var(--color-blanco);
    font-family: inherit;
    border: 1px solid var(--glass-border);
}

.form-control::placeholder {
    color: var(--color-texto-suave);
}

.form-control:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
    border-color: var(--color-accento);
}

textarea.form-control {
    min-height: 160px;
    resize: vertical;
    line-height: 1.5;
}

.btn-enviar {
    background: var(--gradiente-accento);
    color: var(--color-blanco);
    border: none;
    padding: 18px 36px;
    border-radius: var(--radio-borde-pequeno);
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    transition: var(--transicion-rapida);
    width: 100%;
    letter-spacing: 0.02em;
    box-shadow: var(--sombra-media);
    position: relative;
    overflow: hidden;
}

.btn-enviar:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
}

.mensaje-exito {
    background: rgba(37, 99, 235, 0.1);
    color: #10b981;
    padding: 20px;
    border-radius: var(--radio-borde-pequeno);
    margin-top: 25px;
    text-align: center;
    font-weight: 500;
    box-shadow: var(--sombra-suave);
    border-left: 4px solid #10b981;
    backdrop-filter: blur(20px);
}

/* ===== FOOTER MODERNO ===== */
footer {
    background: var(--color-primario);
    color: var(--color-blanco);
    padding: 80px 0 30px;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.3), transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-col h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
    color: var(--color-blanco);
}

.footer-col h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: var(--gradiente-accento);
    border-radius: 1.5px;
}

.footer-col p {
    color: var(--color-texto-claro);
    margin-bottom: 25px;
    line-height: 1.6;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-col ul li {
    margin-bottom: 15px;
}

.footer-col ul li a {
    color: var(--color-texto-claro);
    text-decoration: none;
    transition: var(--transicion-rapida);
    display: flex;
    align-items: center;
    font-size: 0.95rem;
}

.footer-col ul li a:hover {
    color: var(--color-blanco);
    transform: translateX(8px);
}

.footer-col ul li a i {
    margin-right: 12px;
    width: 18px;
    color: var(--color-accento);
    font-style: normal;
}

.redes-sociales {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.red-social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: 50%;
    color: var(--color-blanco);
    text-decoration: none;
    transition: var(--transicion-rapida);
    font-size: 1.1rem;
    border: 1px solid var(--glass-border);
}

.red-social:hover {
    background: var(--color-accento);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
    border-color: var(--color-accento);
}

.copyright {
    text-align: center;
    padding-top: 35px;
    border-top: 1px solid var(--glass-border);
    color: var(--color-texto-suave);
    font-size: 0.9rem;
}

/* =============================================
   WIDGET FLOTANTE MODERNO
   ============================================= */

/* Botón para abrir el widget */
.widget-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--gradiente-accento);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 18px 32px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: var(--sombra-fuerte);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 9998;
    transition: var(--transicion-rapida);
    animation: float 3s ease-in-out infinite;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
}

.widget-toggle:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.5);
    animation: none;
}

.widget-icon {
    font-size: 1.5rem;
}

.widget-text {
    display: inline-block;
    font-size: 0.95rem;
}

/* Widget principal */
.calculadora-widget {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 380px;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(30px);
    border-radius: var(--radio-borde-grande);
    box-shadow: var(--glass-shadow);
    z-index: 9999;
    transform: translateX(400px);
    transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    border: 1px solid var(--glass-border);
    overflow: hidden;
    opacity: 0;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    visibility: hidden;
}

.calculadora-widget.visible {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
}

/* Header del widget */
.widget-header {
    background: var(--gradiente-primario);
    color: white;
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
}

.widget-header h4 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.widget-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.8rem;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transicion-rapida);
    line-height: 1;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
}

.widget-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

/* Contenido del widget */
.widget-content {
    padding: 25px;
    flex: 1;
    overflow-y: auto;
}

.widget-menu {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 25px;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 15px;
}

.widget-option {
    flex: 1;
    padding: 12px 8px;
    border: none;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radio-borde-pequeno);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-texto);
    transition: var(--transicion-rapida);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    backdrop-filter: blur(10px);
}

.widget-option:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-blanco);
}

.widget-option.active {
    background: var(--gradiente-accento);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    transform: translateY(-2px);
}

/* Contenido de cada calculadora */
.widget-calc-content {
    position: relative;
    min-height: 300px;
}

.widget-calc {
    display: none;
    animation: fadeInWidget 0.3s ease;
}

.widget-calc.active {
    display: block;
}

@keyframes fadeInWidget {
    from { 
        opacity: 0; 
        transform: translateY(10px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

/* Grupos de input */
.widget-input-group {
    margin-bottom: 20px;
}

.widget-input-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--color-texto);
    font-weight: 500;
}

.widget-input {
    display: flex;
    align-items: center;
    border: 1px solid var(--glass-border);
    border-radius: var(--radio-borde-pequeno);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    transition: var(--transicion-rapida);
}

.widget-input:focus-within {
    border-color: var(--color-accento);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.widget-input span {
    background: rgba(37, 99, 235, 0.1);
    padding: 14px 16px;
    font-weight: 600;
    color: var(--color-accento);
    font-size: 0.95rem;
    border-right: 1px solid var(--glass-border);
    min-width: 40px;
    text-align: center;
}

.widget-input input {
    flex: 1;
    border: none;
    padding: 14px 16px;
    font-size: 0.95rem;
    outline: none;
    background: transparent;
    color: var(--color-blanco);
}

.widget-input input::placeholder {
    color: var(--color-texto-suave);
}

.widget-select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radio-borde-pequeno);
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    color: var(--color-blanco);
    transition: var(--transicion-rapida);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%232563eb' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 12px;
}

.widget-select:focus {
    outline: none;
    border-color: var(--color-accento);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

/* Botón calcular */
.widget-btn-calcular {
    width: 100%;
    padding: 16px;
    background: var(--gradiente-accento);
    color: white;
    border: none;
    border-radius: var(--radio-borde-pequeno);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transicion-rapida);
    margin-top: 15px;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    position: relative;
    overflow: hidden;
}

.widget-btn-calcular:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

/* Resultados */
.widget-resultado {
    margin-top: 20px;
    padding: 20px;
    background: rgba(37, 99, 235, 0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--radio-borde-pequeno);
    border-left: 4px solid var(--color-accento);
    box-shadow: var(--sombra-suave);
}

.widget-resultado p {
    margin: 8px 0;
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.widget-resultado span {
    font-weight: 700;
    color: var(--color-blanco);
    font-size: 1rem;
}

/* Footer del widget */
.widget-footer {
    padding: 18px 25px;
    border-top: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.05);
}

.uma-info-mini {
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-texto-claro);
}

.uma-info-mini p {
    margin: 5px 0;
    line-height: 1.4;
    font-size: 0.8rem !important;
}

/* =============================================
   RESPONSIVE DESIGN
   ============================================= */

@media (max-width: 1200px) {
    .container {
        width: 95%;
        max-width: 1140px;
    }
    
    h1 {
        font-size: 3.5rem;
    }
    
    h2 {
        font-size: 2.8rem;
    }
}

@media (max-width: 992px) {
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.5rem;
    }
    
    .hero {
        padding: 200px 0 120px;
    }
    
    .contacto-container {
        gap: 40px;
    }
    
    .servicios-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 25px;
    }
    
    .calculadora-widget {
        width: 350px;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.8rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    h3 {
        font-size: 1.8rem;
    }
    
    .header-container {
        flex-direction: column;
        gap: 20px;
        padding: 20px 0;
    }
    
    nav ul {
        gap: 1.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero {
        padding: 180px 0 100px;
        margin-top: 120px;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .btn-hero {
        padding: 16px 32px;
        width: 100%;
        max-width: 300px;
    }
    
    .servicios-grid,
    .elegirnos-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .contacto-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .estadisticas-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 35px;
    }
    
    .widget-toggle {
        bottom: 20px;
        right: 20px;
        padding: 16px 24px;
    }
    
    .widget-text {
        display: none;
    }
    
    .calculadora-widget {
        width: 320px;
        right: 20px;
        bottom: 80px;
        max-height: 70vh;
    }
    
    .widget-menu {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .widget-option:nth-child(5) {
        grid-column: span 2;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero {
        padding: 160px 0 80px;
    }
    
    .estadisticas-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .estadistica-item {
        padding: 35px 25px;
    }
    
    .estadistica-numero {
        font-size: 3rem;
    }
    
    .section-title p {
        font-size: 1rem;
    }
    
    .servicio-card {
        padding: 40px 25px;
    }
    
    .servicio-icon {
        font-size: 3rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .calculadora-widget {
        width: 300px;
        right: 10px;
        left: 10px;
        margin: 0 auto;
        bottom: 70px;
    }
    
    .widget-content {
        padding: 20px;
    }
    
    .widget-menu {
        grid-template-columns: 1fr;
    }
    
    .widget-option {
        padding: 12px;
    }
}

@media (max-width: 400px) {
    .calculadora-widget {
        width: 280px;
    }
    
    .widget-header {
        padding: 18px 20px;
    }
    
    .widget-header h4 {
        font-size: 1.1rem;
    }
    
    .widget-input-group label {
        font-size: 0.85rem;
    }
    
    .widget-input input,
    .widget-select {
        padding: 12px 14px;
        font-size: 0.85rem;
    }
    
    .widget-btn-calcular {
        padding: 14px;
        font-size: 0.9rem;
    }
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--color-accento);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accento-hover);
}

/* Selección de texto */
::selection {
    background-color: rgba(37, 99, 235, 0.3);
    color: var(--color-blanco);
}

/* Focus outline mejorado */
:focus {
    outline: 2px solid var(--color-accento);
    outline-offset: 2px;
}