/* ============================================
   CELAC - Variables y Configuración Base
   ============================================ */
:root {
    --gris-acero: #D9D9D9;
    --negro-profundo: #1A1A1A;
    --azul-electrico: #1FB6FF;
    --turquesa-tecnico: #60E8E3;
    --blanco: #FFFFFF;
    --gris-medio: #666666;
    --gris-claro: #F5F5F5;
    --sombra-suave: 0 5px 15px rgba(0,0,0,0.1);
    --sombra-media: 0 10px 30px rgba(0,0,0,0.1);
    --sombra-fuerte: 0 15px 40px rgba(0,0,0,0.15);
    --transicion: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--negro-profundo);
    background-color: var(--blanco);
    overflow-x: hidden;
}

/* ============================================
   Header y Navegación
   ============================================ */
header {
    background: linear-gradient(135deg, var(--negro-profundo) 0%, #2A2A2A 100%);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: var(--sombra-suave);
    transition: var(--transicion);
}

header.scrolled {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}

.logo img {
    height: 80px;
    width: auto;
    max-width: 200px;
    filter: brightness(1.1);
    transition: transform 0.3s ease;
}

.logo:hover img {
    transform: scale(1.05);
}

.company-name {
    color: var(--blanco);
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.3em;
    margin-left: 12px;
}

.nav-links {
    display: none;
    gap: 2rem;
    list-style: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--negro-profundo);
    padding: 2rem;
    box-shadow: var(--sombra-media);
}

.nav-links.active {
    display: flex;
}

.nav-links li {
    margin: 0;
}

.nav-links a {
    color: var(--gris-acero);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transicion);
    display: block;
    padding: 0.5rem 0;
    font-size: 1.1rem;
}

.nav-links a:hover {
    color: var(--turquesa-tecnico);
    transform: translateX(5px);
}

.menu-toggle {
    display: block;
    background: none;
    border: none;
    color: var(--blanco);
    font-size: 1.8rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: var(--transicion);
    z-index: 1001;
}

.menu-toggle:hover {
    color: var(--turquesa-tecnico);
    transform: scale(1.1);
}

.menu-toggle.active {
    color: var(--turquesa-tecnico);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--negro-profundo) 0%, #2A2A2A 50%, var(--negro-profundo) 100%);
    color: var(--blanco);
    padding: 10rem 2rem 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(31, 182, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(96, 232, 227, 0.1) 0%, transparent 50%);
    opacity: 0.5;
    animation: pulse 4s ease-in-out infinite;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    color: var(--gris-acero);
    font-weight: 300;
    animation: fadeInUp 1s ease-out;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(45deg, var(--azul-electrico), var(--turquesa-tecnico));
    color: var(--blanco);
    padding: 1.2rem 2.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transicion);
    box-shadow: 0 4px 15px rgba(31, 182, 255, 0.3);
    animation: fadeInUp 1.2s ease-out;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(31, 182, 255, 0.5);
}

/* ============================================
   Secciones Generales
   ============================================ */
section {
    padding: 5rem 2rem;
    position: relative;
}

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

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.2rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--negro-profundo);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(45deg, var(--azul-electrico), var(--turquesa-tecnico));
    margin: 1rem auto;
    border-radius: 2px;
}

/* ============================================
   Sección Nosotros
   ============================================ */
.nosotros {
    background: linear-gradient(to bottom, var(--gris-claro) 0%, var(--blanco) 100%);
}

.nosotros-content {
    display: grid;
    gap: 3rem;
    text-align: center;
}

.nosotros p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gris-medio);
    max-width: 800px;
    margin: 0 auto 1.5rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    background: var(--blanco);
    padding: 2.5rem 2rem;
    border-radius: 15px;
    box-shadow: var(--sombra-suave);
    text-align: center;
    transition: var(--transicion);
    border: 2px solid transparent;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--sombra-media);
    border-color: var(--azul-electrico);
}

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--azul-electrico);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--gris-medio);
    font-weight: 500;
    font-size: 1rem;
}

/* ============================================
   Sección Servicios
   ============================================ */
.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.servicio-card {
    background: var(--blanco);
    border-radius: 15px;
    padding: 2.5rem;
    box-shadow: var(--sombra-suave);
    transition: var(--transicion);
    border-top: 4px solid var(--azul-electrico);
    position: relative;
    overflow: hidden;
}

.servicio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(45deg, var(--azul-electrico), var(--turquesa-tecnico));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.servicio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--sombra-fuerte);
}

.servicio-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(45deg, var(--azul-electrico), var(--turquesa-tecnico));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.8rem;
    transition: var(--transicion);
}

.servicio-card:hover .servicio-icon {
    transform: rotate(5deg) scale(1.1);
}

.servicio-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--negro-profundo);
}

.servicio-card p {
    color: var(--gris-medio);
    line-height: 1.7;
    font-size: 1rem;
}

/* ============================================
   Sección Catálogo (Oculta)
   ============================================ */
.catalogo {
    display: none;
}

/* ============================================
   Sección Contacto
   ============================================ */
.contacto {
    background: linear-gradient(to bottom, var(--blanco) 0%, var(--gris-claro) 100%);
}

.contacto-content {
    display: grid;
    gap: 3rem;
}

.contacto-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contacto-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--blanco);
    border-radius: 15px;
    box-shadow: var(--sombra-suave);
    transition: var(--transicion);
}

.contacto-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--sombra-media);
}

.contacto-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: linear-gradient(45deg, var(--azul-electrico), var(--turquesa-tecnico));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contacto-text h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--negro-profundo);
    font-size: 1.2rem;
}

.contacto-text p {
    color: var(--gris-medio);
    font-size: 1rem;
}

.contacto-text a {
    color: var(--azul-electrico);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transicion);
}

.contacto-text a:hover {
    color: var(--turquesa-tecnico);
    text-decoration: underline;
}

/* ============================================
   Footer
   ============================================ */
footer {
    background: var(--negro-profundo);
    color: var(--gris-acero);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    gap: 2rem;
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.footer-logo img {
    height: 70px;
    width: auto;
    max-width: 180px;
    filter: brightness(1.1);
    transition: transform 0.3s ease;
}

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

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin: 1rem 0;
}

.footer-links a {
    color: var(--gris-acero);
    text-decoration: none;
    transition: var(--transicion);
    font-size: 1rem;
}

.footer-links a:hover {
    color: var(--turquesa-tecnico);
    transform: translateY(-2px);
}

.footer-social {
    margin-top: 1rem;
}

.footer-social p {
    color: var(--gris-medio);
    font-size: 0.9rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    margin-top: 2rem;
    font-size: 0.9rem;
    text-align: center;
}

.footer-credits {
    border-top: 1px solid rgba(31, 182, 255, 0.3);
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    text-align: center;
}

.footer-credits p {
    color: #999;
    font-size: 14px;
    margin: 0 0 8px 0;
}

.footer-credits a {
    color: var(--blanco);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transicion);
}

.footer-credits a:hover {
    color: var(--azul-electrico);
}

/* ============================================
   Iconos
   ============================================ */
.icon-gear::before { content: "⚙️"; }
.icon-chart::before { content: "📊"; }
.icon-cog::before { content: "🔧"; }
.icon-robot::before { content: "🤖"; }
.icon-security::before { content: "🔒"; }
.icon-support::before { content: "🛠️"; }
.icon-phone::before { content: "📞"; }
.icon-email::before { content: "✉️"; }
.icon-location::before { content: "📍"; }
.icon-time::before { content: "🕐"; }

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

@keyframes pulse {
    0%, 100% { 
        opacity: 0.5;
        transform: scale(1);
    }
    50% { 
        opacity: 0.7;
        transform: scale(1.05);
    }
}

@keyframes heartPulse {
    0%, 100% { 
        transform: scale(1);
    }
    50% { 
        transform: scale(1.2);
    }
}

.heart-animation {
    color: var(--azul-electrico);
    display: inline-block;
    animation: heartPulse 2s ease-in-out infinite;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (min-width: 768px) {
    .nav-links {
        display: flex;
        position: static;
        flex-direction: row;
        background: transparent;
        padding: 0;
        box-shadow: none;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .menu-toggle {
        display: none;
    }
    
    .hero {
        padding: 12rem 2rem 8rem;
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    .nosotros-content {
        grid-template-columns: 1fr 1fr;
        align-items: center;
        text-align: left;
    }
    
    .contacto-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 2fr 1fr;
        text-align: left;
    }
    
    .logo img {
        height: 90px;
    }
    
    .footer-logo img {
        height: 80px;
    }
    
    section {
        padding: 6rem 2rem;
    }
}

@media (min-width: 1024px) {
    .hero h1 {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .servicios-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 767px) {
    .hero {
        min-height: 80vh;
        padding: 8rem 1.5rem 4rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .servicios-grid {
        grid-template-columns: 1fr;
    }
    
    .contacto-info {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

/* ============================================
   Utilidades
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}