/* --- Fuentes y Librerías Externas --- */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;700&display=swap');

/* --- Configuración Global y Variables --- */
:root {
    --primary-color: #007bff;
    --primary-hover-color: #0056b3;
    --dark-color: #212529;
    --dark-grey-color: #343a40;
    --light-grey-color: #6c757d;
    --background-light: #f8f9fa;
    --background-white: #ffffff;
    --gradient-primary: linear-gradient(45deg, var(--primary-color), #0056b3);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 75px;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: #000;
    color: var(--dark-grey-color);
    overflow-x: hidden;
}

/* --- Loader de Carga --- */
.loader-wrapper {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: #000;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.loader {
    position: relative;
    width: 200px;
    height: 200px;
}

.loader span {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.85);
    text-shadow: 0 0 5px var(--primary-color);
}

.spinner {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    box-shadow: 3px 0 1px -1px rgba(255,255,255,1), 5px 0 5px rgba(30,144,255,.5), inset -10px 0 10px -5px rgba(30,144,255,.5);
    animation: loading 1.5s linear infinite;
}

@keyframes loading {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

#page-content {
    transition: opacity 0.8s ease-in-out;
}

/* --- Barra de Navegación --- */
.navbar {
    transition: background-color 0.4s ease-in-out, padding 0.4s ease-in-out, box-shadow 0.4s ease-in-out;
    background-color: transparent !important;
    padding-top: 15px;
    padding-bottom: 15px;
}

.navbar-brand img {
    height: 90px !important;
    transition: height 0.4s ease-in-out, transform 0.3s ease;
}

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

.navbar.navbar-scrolled {
    background-color: rgba(10, 10, 10, 0.9) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.25);
    padding-top: 10px;
    padding-bottom: 10px;
}

.navbar-scrolled .navbar-brand img {
    height: 80px !important;
}

.nav-link {
    color: #ffffff !important;
    font-weight: 700 !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding-bottom: 5px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 0;
    background: rgba(0, 123, 255, 0.1);
    transform: translateY(-50%);
    transition: height 0.3s ease, opacity 0.3s ease;
    opacity: 0;
    border-radius: 4px;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color) !important;
    transform: translateY(-2px);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-link:hover::before {
    height: 100%;
    opacity: 1;
}

.navbar-toggler {
    border: none;
    transition: transform 0.3s ease;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* --- Sección Hero --- */
.hero {
    color: white;
    text-shadow: 0 4px 12px rgba(0,0,0,0.7);
    height: 100vh;
}

.hero-video-background {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -2;
    transform: translateX(-50%) translateY(-50%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.65);
    z-index: -1;
}

.hero h1 { font-size: 4.5rem; letter-spacing: -1px; }
.hero p.lead { font-size: 1.75rem; max-width: 800px; margin-left: auto; margin-right: auto; }

.hero .btn-primary {
    background: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: bold;
    padding: 15px 35px;
    border-radius: 50px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 5px 20px rgba(0,123,255,0.4);
    position: relative;
    overflow: hidden;
}

.hero .btn-primary::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 0.5s ease;
}

.hero .btn-primary:hover {
    background-color: var(--primary-hover-color);
    border-color: var(--primary-hover-color);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 35px rgba(0,123,255,0.6);
}

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

/* --- Secciones Generales --- */
section {
    padding: 80px 0;
    overflow: hidden;
}
.bg-light { background-color: var(--background-light) !important; }

section h2.service-title, section h2.fw-bold {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.75rem;
    display: inline-block;
}

section h2.service-title::after, section h2.fw-bold::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -5px;
    width: 0;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 0.6s ease;
    animation: expandLine 2s ease-out 0.5s forwards;
}

@keyframes expandLine {
    to {
        width: 80px;
    }
}

section p.lead { font-size: 1.25rem; max-width: 850px; margin: auto; }

/* --- Estilo de Tarjetas Mejorado --- */
.card-elevated {
    background-color: var(--background-white);
    border: 1px solid #e9ecef;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card-elevated::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.card-elevated:hover {
    transform: translateY(-8px) rotateX(2deg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

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

.icon-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    transition: transform 0.3s ease;
}

.card-elevated:hover .icon-gradient {
    transform: scale(1.1) rotate(5deg);
    animation: iconBounce 0.6s ease;
}

@keyframes iconBounce {
    0%, 100% { transform: scale(1.1) rotate(5deg); }
    50% { transform: scale(1.2) rotate(-2deg); }
}

/* --- Botones Mejorados --- */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.3);
}

.btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* --- Sección Proceso (Timeline) --- */
.timeline {
    list-style-type: none;
    position: relative;
    padding-left: 25px;
    margin: 0;
}

.timeline:before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    bottom: 5px;
    width: 2px;
    background: #e9ecef;
}

.timeline li {
    position: relative;
    margin-bottom: 20px;
    padding-left: 20px;
    transition: transform 0.3s ease;
}

.timeline li:hover {
    transform: translateX(5px);
}

.timeline li:before {
    content: '';
    position: absolute;
    left: -8px;
    top: 5px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--background-white);
    border: 3px solid var(--primary-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 0 0 rgba(0, 123, 255, 0.4);
}

.timeline li:hover:before {
    transform: scale(1.3);
    box-shadow: 0 0 0 10px rgba(0, 123, 255, 0.1);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 123, 255, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 123, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 123, 255, 0);
    }
}

.timeline li strong {
    font-size: 1.1rem;
    display: block;
    margin-bottom: 0.2rem;
    transition: color 0.3s ease;
}

.timeline li:hover strong {
    color: var(--primary-color);
}

/* --- Portafolio de Servicios (Filtros) --- */
#portfolio-services .filter-controls .btn {
    transition: all 0.3s ease;
    font-weight: 600;
    position: relative;
}

#portfolio-services .filter-controls .btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

#portfolio-services .filter-controls .btn:hover::after,
#portfolio-services .filter-controls .btn.active::after {
    width: 100%;
}

#portfolio-services .filter-controls .btn.active {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(0,123,255,0.3);
    transform: translateY(-2px);
}

#services-grid .service-item {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

#services-grid .service-item.hide {
    transform: scale(0.9);
    opacity: 0;
    display: none;
}

/* --- Imágenes con Efectos --- */
.img-fluid {
    transition: transform 0.4s ease, filter 0.4s ease;
}

.service-item:hover .img-fluid {
    transform: scale(1.05);
    filter: brightness(1.1) contrast(1.1);
}

/* --- Sección CTA --- */
.bg-gradient-primary {
    background: var(--gradient-primary);
}

#cta .btn-light {
    font-weight: bold;
    color: var(--primary-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

#cta .btn-light::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 123, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

#cta .btn-light:hover {
    transform: scale(1.05) translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

#cta .btn-light:hover::before {
    left: 100%;
}

/* --- Footer --- */
.site-footer {
    background-color: var(--dark-color);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0 0;
}
.footer-logo { 
    height: 50px; 
    transition: transform 0.3s ease;
}
.footer-logo:hover {
    transform: scale(1.05);
}
.footer-heading {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.1rem;
}
.footer-links a, .footer-contact a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.footer-links a::before, .footer-contact a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: rgba(0, 123, 255, 0.1);
    transition: width 0.3s ease;
    z-index: -1;
}

.footer-links a:hover, .footer-contact a:hover {
    color: #ffffff;
    padding-left: 8px;
    transform: translateX(3px);
}

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

.footer-contact i {
    margin-right: 10px;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.footer-contact a:hover i {
    transform: scale(1.2) rotate(5deg);
}

.footer-bottom {
    background-color: #000000;
    padding: 20px 0;
    margin-top: 40px;
}

/* --- Animaciones de Scroll --- */
[data-anim] {
    opacity: 0;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

[data-anim="fade-in"] {
    transform: translateY(30px);
}

[data-anim="fade-in-up"] {
    transform: translateY(50px);
}
[data-anim="fade-in-left"] {
    transform: translateX(-50px);
}
[data-anim="fade-in-right"] {
    transform: translateX(50px);
}
[data-anim="zoom-in"] {
    transform: scale(0.9);
}

[data-anim].visible {
    opacity: 1;
    transform: translate(0, 0) scale(1);
}

/* Aplicar retrasos a elementos hijos */
.visible [data-anim-child] {
    opacity: 0;
    animation-name: fadeInUp;
    animation-duration: 0.8s;
    animation-fill-mode: forwards;
    animation-timing-function: ease-out;
}

.visible [data-anim-child]:nth-child(1) { animation-delay: 0.1s; }
.visible [data-anim-child]:nth-child(2) { animation-delay: 0.2s; }
.visible [data-anim-child]:nth-child(3) { animation-delay: 0.3s; }
.visible [data-anim-child]:nth-child(4) { animation-delay: 0.4s; }
.visible [data-anim-child]:nth-child(5) { animation-delay: 0.5s; }
.visible [data-anim-child]:nth-child(6) { animation-delay: 0.6s; }

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

/* --- Sección Contacto - TU VERSIÓN ORIGINAL --- */
#contact .form-control {
    border-radius: 8px;
    padding: 12px 15px;
    font-size: 1rem;
    border: 1px solid #ced4da;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

#contact .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
}

#contact .btn-primary {
    border-radius: 8px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

#contact .btn-primary:hover {
    background-color: var(--primary-hover-color);
    transform: translateY(-2px);
}

.contact-info-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.75rem;
}

.contact-icon {
    font-size: 1.5rem;
    margin-right: 1rem;
    color: var(--primary-color);
    background-color: rgba(0, 123, 255, 0.1);
    width: 50px;
    height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.contact-info-item:hover .contact-icon {
    background-color: var(--primary-color);
    color: #fff;
    transform: scale(1.1);
}

/* Colores específicos para WhatsApp, Facebook e IG */
.contact-icon.whatsapp {
    color: #25D366;
    background-color: rgba(37, 211, 102, 0.1);
    transition: background-color 0.3s ease, color 0.3s ease;
}
.contact-info-item:hover .contact-icon.whatsapp {
    background-color: #25D366;
    color: #ffffff;
}

.contact-icon.facebook {
    color: #1877F2;
    background-color: rgba(24, 119, 242, 0.1);
    transition: background-color 0.3s ease, color 0.3s ease;
}
.contact-info-item:hover .contact-icon.facebook {
    background-color: #1877F2;
    color: #ffffff;
}

.contact-icon.instagram {
    color: #E4405F;
    background-color: #fceef2;
    transition: background-color 0.3s ease, color 0.3s ease;
}
.contact-info-item:hover .contact-icon.instagram {
    background-color: #E4405F;
    color: #ffffff;
}

.contact-info-item div a {
    color: var(--light-grey-color);
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
}

.contact-info-item div a:hover {
    color: var(--primary-color);
}

.contact-info-item div strong {
    color: var(--dark-grey-color);
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

/* --- Estilo de Listas de Servicios --- */
.service-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.service-list li {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    line-height: 1.5;
    transition: all 0.3s ease;
    position: relative;
}

.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: rgba(0, 123, 255, 0.05);
    transition: width 0.3s ease;
    z-index: -1;
}

.service-list li:hover {
    transform: translateX(8px);
    color: var(--primary-color);
}

.service-list li:hover::before {
    width: 100%;
}

.service-list li:last-child {
    margin-bottom: 0;
}

.service-list .bi {
    color: var(--primary-color);
    margin-right: 10px;
    margin-top: 5px;
    font-size: 1.1rem;
    flex-shrink: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-list li:hover .bi {
    transform: scale(1.2) rotate(10deg);
    filter: drop-shadow(0 2px 4px rgba(0, 123, 255, 0.3));
}

/* --- Animación para títulos de servicio --- */
.service-title {
    position: relative;
    transition: color 0.3s ease;
}

.service-title::before {
    content: '';
    position: absolute;
    top: 0;
    left: -10px;
    width: 4px;
    height: 0;
    background: var(--gradient-primary);
    transition: height 0.4s ease;
    border-radius: 2px;
}

.service-item:hover .service-title {
    color: var(--primary-color);
}

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

/* --- Responsive Design --- */
@media (max-width: 991px) {
    .navbar-brand img {
        height: 65px !important;
        transition: height 0.4s ease-in-out, transform 0.3s ease;
    }

    .navbar-scrolled .navbar-brand img {
        height: 60px !important;
    }

    .navbar-collapse {
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(10px);
        border-radius: 10px;
        margin-top: 10px;
        padding: 20px;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .navbar-nav .nav-link {
        padding: 10px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .navbar-nav .nav-link:hover {
        background: rgba(0, 123, 255, 0.1);
        padding-left: 10px;
        border-radius: 5px;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }

    .hero p.lead {
        font-size: 1.25rem;
    }

    section h2.service-title, section h2.fw-bold {
        font-size: 2.2rem;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p.lead {
        font-size: 1.15rem;
    }
    
    .hero .btn-primary:hover {
        transform: translateY(-2px) scale(1.01);
    }
    
    .card-elevated:hover {
        transform: translateY(-4px) rotateX(1deg);
    }
}

.text-justify {
    text-align: justify;
}

/* --- Solución de Espaciado para Servicios en Móvil --- */
@media (max-width: 991.98px) {
    .service-item .img-fluid.rounded.shadow-lg {
        margin-bottom: 2rem;
    }
}

/* =========================
   WhatsApp Flotante
========================= */
.whatsapp-flotante {
  position: fixed;
  bottom: 100px;
  right: 50px;
  width: 85px;
  height: 85px;
  background-color: #25D366;
  color: #FFF;
  border-radius: 50%;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
  z-index: 1000;
  text-decoration: none;
  transition: all 0.3s ease-in-out;
  animation: pulse-whatsapp 2.5s infinite ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
}

.whatsapp-flotante i {
  font-size: 3rem;
  transition: transform 0.3s ease-in-out;
  line-height: 1;
}

.whatsapp-flotante:hover {
  transform: scale(1.1);
  animation: none;
  color: #FFF;
}

.whatsapp-flotante:hover i {
  transform: rotate(15deg);
}

@keyframes pulse-whatsapp {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); } 
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

@media (max-width: 768px) {
  .whatsapp-flotante {
    width: 65px;
    height: 65px;
    bottom: 20px;
    right: 20px;
  }
  .whatsapp-flotante i {
    font-size: 2rem;
  }
}

#contactModal .modal-dialog {
  max-width: 700px;
}