/* ==================== VARIABLES Y RESET ==================== */
:root {
    --color-dark-blue: #2A2C9B;
    --color-light-blue: #01CDF8;
    --color-bg-light-gray: #f8f8f8;
    --color-bg-white: #fff;
    --padding-section: 80px 0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Arial', sans-serif;
    color: #333;
    background-color: var(--color-bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==================== ESTILOS GENERALES DE SECCIÓN ==================== */
.seccion-base {
    padding: var(--padding-section);
}

.color-alterno-1 {
    background-color: var(--color-bg-white);
}

.color-alterno-2 {
    background-color: var(--color-bg-light-gray);
}

.dos-columnas {
    display: flex;
    gap: 40px;
    align-items: center;
}

.dos-columnas .texto-columna {
    flex: 1;
}

.dos-columnas .imagen-columna {
    flex: 1;
}

.dos-columnas .imagen-columna img {
    width: 110%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Estilo para los títulos de sección con línea */
.titulo-seccion {
    position: relative;
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 50px;
    color: var(--color-dark-blue);
    font-weight: bold;
    padding: 0 20px;
}

.titulo-seccion::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background-color: var(--color-light-blue);
    border-radius: 2px;
}

/* ==================== ENCABEZADO Y MENÚ ==================== */
.header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 50px;
}

.header .logo img {
    height: 50px;
}

.nav-menu ul {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--color-dark-blue);
    font-weight: bold;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--color-light-blue);
}

/* ==================== SECCIÓN PRINCIPAL (SLIDER) ==================== */
#hero {
    height: 100vh;
    width: 100%;
    position: relative;
    overflow: hidden;
    margin-top: 70px;
}

.slider-item {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

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

.slider-item-1 {
    background-image: url('../img/slider-1.jpg');
}
.slider-item-2 {
    background-image: url('../img/slider-2.jpg');
}
.slider-item-3 {
    background-image: url('../img/slider-3.jpg');
}

.slider-content {
    color: #fff;
    background-color: rgba(42, 44, 155, 0.7);
    padding: 30px 50px;
    border-radius: 10px;
    max-width: 800px;
}

.slider-content h1 {
    font-size: 3em;
    margin-bottom: 10px;
}

.btn-slider {
  display: inline-block;
  margin-top: 16px;      
  padding: 12px 28px;
  background-color: var(--color-light-blue); /* color corporativo */
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  border: none;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn-slider:hover {
  background-color: #a50d25; 
  transform: translateY(-2px); 
}


/* ==================== SECCIÓN NOSOTROS ==================== */
#nosotros {
    background-color: var(--color-bg-white);
    overflow: hidden;
    position: relative;
    min-height: 60vh;
}

.nosotros-animacion-contenedor {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 10%;
    position: relative;
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.nosotros-animacion-contenedor.activo {
    opacity: 1;
    transform: translateY(0);
}

.nosotros-animacion-contenedor .texto-columna {
    transform: translateX(0);
    transition: transform 1.5s ease-out;
    text-align: center;
    flex: 1;
    padding-right: 20px;
    position: relative;
}

.nosotros-animacion-contenedor.activo .texto-columna {
    transform: translateX(-20%);
    text-align: left;
}

.nosotros-animacion-contenedor .imagen-columna {
    transform: translateY(100%);
    transition: transform 1.5s ease-out 0.5s;
    flex: 1;
    padding-left: 20px;
    position: relative;
}

.nosotros-animacion-contenedor.activo .imagen-columna {
    transform: translateY(0);
}

.nosotros-animacion-contenedor p {
    margin-bottom: 15px;
    line-height: 1.6;
}

/* ==================== SECCIÓN SERVICIOS ==================== */
#servicios {
    background-color: var(--color-dark-blue);
    padding: var(--padding-section);
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.servicio-card {
    position: relative;
    background-color: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
    cursor: pointer;
    min-height: 350px;
    padding: 30px;
}

.servicio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.servicio-card .imagen-servicio {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.servicio-card:hover .imagen-servicio {
    opacity: 0.8;
}

.servicio-card .card-content {
    position: relative;
    z-index: 2;
    background-color: #fff;
    width: 100%;
    transition: opacity 0.5s ease-in-out;
}

.servicio-card:hover .card-content {
    opacity: 0;
}

.btn-solicitar-inicial {
    display: inline-block;
    background: var(--color-dark-blue); 
    color: #fff;
    font-weight: bold;
    text-decoration: none;
    padding: 12px 24px;    
    border-radius: 30px; 
    margin-top: 15px;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2); 
}

.btn-solicitar-inicial::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 100%;
    height: 2px;
    background-color: var(--color-light-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s;
}

.btn-solicitar-inicial:hover::after {
    transform: scaleX(1);
}

.btn-solicitar {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-dark-blue), #3a6ff7);
    color: #fff;
    font-weight: bold;
    letter-spacing: 0.5px;
    padding: 12px 28px;
    border-radius: 40px;
    text-decoration: none;
    margin-top: 15px;
    font-size: 15px;

    /* Posición oculta inicial */
    opacity: 0;
    transform: translateX(-50%) translateY(30px) scale(0.95);
    transition: all 0.4s ease;

    /* Para centrar */
    position: absolute;
    bottom: 20px;
    left: 50%;
    z-index: 3;

    /* Estilo “glass” con blur y sombra */
    backdrop-filter: blur(6px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25), 0 0 12px rgba(58,111,247,0.4);

    /* Glow animado */
    background-size: 200% 200%;
    animation: gradientShift 4s ease infinite;
}

/* Efecto al aparecer */
.servicio-card:hover .btn-solicitar {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
}

/* Hover potente */
.btn-solicitar:hover {
    background: linear-gradient(135deg, #3a6ff7, var(--color-dark-blue));
    box-shadow: 0 8px 24px rgba(0,0,0,0.3), 0 0 16px rgba(58,111,247,0.7);
    transform: translateX(-50%) translateY(-3px) scale(1.05);
}

/* Activo (clic real) */
.btn-solicitar:active {
    transform: translateX(-50%) translateY(1px) scale(0.96);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2), 0 0 8px rgba(58,111,247,0.4);
}

/* Animación del gradiente */
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}


/* ==================== SECCIÓN MARCAS ==================== */
#marcas {
    padding: 50px 0;
    background-color: var(--color-bg-light-gray);
    overflow: hidden;
    white-space: nowrap;
}

.pasarela-logos {
    display: inline-block;
    animation: pasarela-scroll 28s linear infinite;
}

.pasarela-logos img {
    height: 65px;
    margin: 0 30px;
    vertical-align: middle;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: filter 0.3s, opacity 0.3s;
}

.pasarela-logos img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

@keyframes pasarela-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ==================== SECCIÓN CLIENTES ==================== */
#clientes {
    background-color: var(--color-bg-light-gray);
    padding: var(--padding-section);
}

.clientes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    justify-items: center;
    align-items: center;
}

.cliente-item {
    position: relative;
    background-color: #fff;
    width: 100%;
    height: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.cliente-item img {
    max-width: 80%;
    max-height: 80%;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: filter 0.3s, opacity 0.3s;
}

.cliente-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

.linea-hover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid transparent;
    transition: border 0.5s ease;
}

.cliente-item:hover .linea-hover {
    border-color: var(--color-light-blue);
    animation: mover-borde 1s forwards;
}

@keyframes mover-borde {
    0% {
        border-top-color: var(--color-light-blue);
        border-right-color: transparent;
        border-bottom-color: transparent;
        border-left-color: transparent;
    }
    25% {
        border-top-color: var(--color-light-blue);
        border-right-color: var(--color-light-blue);
        border-bottom-color: transparent;
        border-left-color: transparent;
    }
    50% {
        border-top-color: var(--color-light-blue);
        border-right-color: var(--color-light-blue);
        border-bottom-color: var(--color-light-blue);
        border-left-color: transparent;
    }
    100% {
        border-color: var(--color-light-blue);
    }
}

/* ==================== SECCIÓN CONTACTO ==================== */
#contacto {
    background-color: var(--color-bg-white);
    padding: var(--padding-section);
}

.columna-contacto {
    flex: 1;
}

.columna-contacto h3 {
    color: var(--color-dark-blue);
    margin-bottom: 20px;
}

#contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

#contact-form input,
#contact-form textarea {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    width: 100%;
}

.btn-enviar {
    background-color: var(--color-dark-blue);
    color: #fff;
    padding: 15px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s;
}

.btn-enviar:hover {
    background-color: var(--color-light-blue);
}

/* ==================== PIE DE PÁGINA ==================== */
.footer {
    background-color: var(--color-dark-blue);
    color: #fff;
    padding-top: 50px;
    padding-bottom: 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.footer-col h3 {
    font-size: 1.2em;
    margin-bottom: 20px;
    color: var(--color-light-blue);
}

.footer-col p {
    font-size: 0.9em;
    line-height: 1.6;
    margin-bottom: 10px; /* Separación entre líneas */
}

.footer-col p i {
    margin-right: 10px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    line-height: 1.8;
}

.footer-col a {
    text-decoration: none;
    color: #fff;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--color-light-blue);
}

.social-links {
    margin-top: 20px;
    display: flex;
    gap: 15px;
}

.social-links a {
    color: #fff;
    font-size: 24px;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--color-light-blue);
}

.footer-bottom {
    text-align: center;
    margin-top: 40px;
}

.footer-bottom hr {
    border: none;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.3);
    margin: 20px auto;
    width: 80%;
}

.footer-bottom p {
    font-size: 0.8em;
    opacity: 0.7;
}

/* ==================== BOTÓN DE WHATSAPP FLOTANTE ==================== */
.whatsapp-btn {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 999;
    background-color: #349933;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s;
    overflow: hidden; 
}

.whatsapp-btn:hover {
    transform: scale(1.1);
}

.whatsapp-btn .whatsapp-icon {
    width: 50px;  
    height: auto; 
    display: block;
}


/* ==================== RESPONSIVIDAD ==================== */
@media (max-width: 992px) {
    .header {
        padding: 10px 20px;
    }

    .nav-menu ul {
        gap: 15px;
    }
    
    .dos-columnas {
        flex-direction: column;
        gap: 20px;
        align-items: center;
    }

    .nosotros-animacion-contenedor {
        padding-left: 0;
        padding-right: 0;
    }
    
    .seccion-base {
        padding: 40px 0;
    }

    .seccion-base h2 {
        font-size: 2em;
        margin-bottom: 30px;
    }

    .servicios-grid,
    .clientes-grid,
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-col h3 {
        margin-top: 20px;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        align-items: center;
        padding: 10px;
        position: relative;
    }
    
    .nav-menu {
        margin-top: 10px;
    }

    .nav-menu ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    .titulo-seccion {
        font-size: 2em;
    }
}


/* ==================== SECCIÓN NOSOTROS - AJUSTES ==================== */
#nosotros .titulo-seccion{
  max-width: clamp(1040px, 82vw, 1200px);
  margin: 0 auto 28px;
  padding: 0 24px;
  text-align: center;
}

#nosotros .nosotros-animacion-contenedor{
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1s ease-out, transform 1s ease-out;
  display: grid;
  grid-template-columns: 1fr; 
  row-gap: 24px;
  column-gap: 32px;
  max-width: clamp(1040px, 82vw, 1200px);
  margin: 0 auto;
  padding: 0 24px;
  align-items: center;
}

#nosotros .nosotros-animacion-contenedor.activo{
  opacity: 1;
  transform: translateY(0);
}

#nosotros .nosotros-animacion-contenedor .texto-columna{
  max-width: 62ch;  
  text-align: justify;
  transform: none;         
  transition: transform 1s ease-out;  
  padding: 0;  
  justify-self: start;
}

#nosotros .nosotros-animacion-contenedor .imagen-columna{
  padding: 0;  
  justify-self: end;
}

#nosotros .nosotros-animacion-contenedor .imagen-columna img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 600px; 
  border-radius: 16px;
}

@media (min-width: 992px){
  #nosotros .nosotros-animacion-contenedor{
    grid-template-columns: 1fr 1fr;
    row-gap: 28px;
    column-gap: 32px;
  }

  #nosotros .nosotros-animacion-contenedor.activo .texto-columna{
    transform: translateX(-4%); 
  }
}

@media (min-width: 1440px){
  #nosotros .nosotros-animacion-contenedor{
    max-width: 1180px;  
    column-gap: 28px;
  }
  #nosotros .nosotros-animacion-contenedor .imagen-columna img{
    max-width: 600px;
  }
}

@media (max-width: 991.98px){
  #nosotros .nosotros-animacion-contenedor{
    grid-template-columns: 1fr;
    row-gap: 24px;
    justify-items: center;  
  }
  #nosotros .nosotros-animacion-contenedor .texto-columna{
    transform: none;  
    max-width: 100%;
  }
  #nosotros .nosotros-animacion-contenedor .imagen-columna{
    justify-self: center;
  }
  #nosotros .titulo-seccion{
    margin-bottom: 32px;  
  }
}


/* ==================== SECCIÓN SERVICIOS - AJUSTES ==================== */
#servicios .servicios-grid{
  max-width: clamp(1040px, 82vw, 1280px);
  margin: 0 auto;
  padding: 0 24px;
  gap: 32px;
  justify-items: center;
}

@media (min-width: 992px){
  #servicios .servicios-grid{
    grid-template-columns: repeat(2, minmax(320px, 1fr)); 
  }
}

@media (max-width: 991px){
  #servicios .servicios-grid{
    grid-template-columns: 1fr; 
  }
}

#servicios .servicio-card{
  width: 100%;
  max-width: 520px;
}

@media (min-width: 1440px){

  #servicios .servicios-grid{
    max-width: 1200px;
    gap: 28px;    
    margin: 0 auto;   
    padding: 0 24px;
  }

  #servicios .servicio-card{
    max-width: 600px;
  }
}

@media (min-width: 1680px){
  #servicios .servicios-grid{ max-width: 1220px; }
  #servicios .servicio-card{  max-width: 620px;  }
}

#servicios .servicio-card h3{
  margin-bottom: 12px;
  color: #474bdc;
}
#servicios .servicio-card p{
  text-align: justify;
  line-height: 1.6;
}