/* =========================================
   1. VARIABLES Y CONFIGURACIÓN GENERAL
   ========================================= */
:root {
    --bg-main: #05070a;        /* Negro azulado profundo */
    --bg-card: #0b0f17;        /* Fondo para tarjetas/secciones */
    --accent: #00d4ff;         /* Cian eléctrico principal */
    --accent-hover: #0099cc;   /* Hover para botones */
    --text-main: #ffffff;
    --text-dim: rgba(255, 255, 255, 0.65);
    --border-color: rgba(255, 255, 255, 0.08);
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* =========================================
   2. NAVBAR
   ========================================= */
.navbar-comercial {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    padding: 20px 8%;
    background: rgba(5, 7, 10, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    font-size: 1.2rem;
    font-weight: 900;
    letter-spacing: 4px;
    color: var(--text-main);
    text-decoration: none;
}

.brand-logo span {
    color: var(--accent);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 35px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dim);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-main);
}

.btn-nav {
    padding: 10px 22px;
    border: 1px solid var(--accent);
    color: var(--accent) !important;
    border-radius: 4px;
    transition: var(--transition);
}

.btn-nav:hover {
    background: var(--accent);
    color: #000 !important;
}

/* =========================================
   3. HERO SECTION
   ========================================= */
.hero-comercial {
    height: 90vh;
    min-height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 8%;
    background: radial-gradient(circle at center, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
}

.hero-content {
    max-width: 900px;
}

.hero-subtitle {
    display: inline-block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 6px;
    color: var(--accent);
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-comercial h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 25px;
    letter-spacing: -1px;
}

.hero-comercial p {
    font-size: 1.1rem;
    color: var(--text-dim);
    max-width: 650px;
    margin: 0 auto 40px;
}

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

.btn-primary, .btn-secondary {
    padding: 16px 36px;
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
}

.btn-primary {
    background: var(--accent);
    color: #000;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
}

.btn-secondary {
    border: 1px solid var(--border-color);
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.02);
}

.btn-secondary:hover {
    border-color: var(--text-main);
    transform: translateY(-3px);
}

/* =========================================
   LÍNEA HORIZONTAL ANIMADA DE COLOR
   ========================================= */
.animated-line {
    width: 100%;
    height: 2px; /* Grosor elegante; si querés que destaque más podés subirlo a 3px */
    background: linear-gradient(
        90deg, 
        rgba(5, 7, 10, 1) 0%, 
        var(--accent) 35%, 
        #ffffff 50%, 
        var(--accent) 65%, 
        rgba(5, 7, 10, 1) 100%
    );
    background-size: 200% 100%;
    animation: moveGradient 4s linear infinite;
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.4); /* Resplandor/glow de neón */
}

@keyframes moveGradient {
    0% {
        background-position: 100% 0;
    }
    100% {
        background-position: -100% 0;
    }
}

/* =========================================
   4. SERVICIOS Y CARACTERÍSTICAS
   ========================================= */
.services-section, .features-section, .gallery-section, .contact-section {
    padding: 120px 8%;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 4px;
    text-align: center;
    margin-bottom: 15px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-dim);
    margin-bottom: 60px;
    font-size: 0.95rem;
}

.services-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    padding: 40px 30px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    width: calc(33.333% - 20px); 
    min-width: 280px;
    box-sizing: border-box;
}

.service-card:hover {
    border-color: var(--accent);
    transform: translateY(-8px);
}

.service-icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 25px;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.service-card p {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* CARACTERÍSTICAS DE VALOR */
.features-section {
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 80px 8%;
}

.features-container {
    display: flex;
    justify-content: space-around;
    gap: 40px;
    flex-wrap: wrap;
}

.feature-box {
    text-align: center;
    max-width: 300px;
}

.feature-box i {
    font-size: 1.8rem;
    color: var(--accent);
    margin-bottom: 15px;
}

.feature-box h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.feature-box p {
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* =========================================
   5. GALERÍA COMPACTA
   ========================================= */
.compact-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 15px;
    margin-top: 50px;
}

.gallery-item {
    aspect-ratio: 3 / 4;
    overflow: hidden;
    border-radius: 4px;
    background: #000;
    border: 1px solid var(--border-color);
    cursor: pointer;
    will-change: transform;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.gallery-item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.8);
    transition: var(--transition);
}

.gallery-item:hover img {
    filter: brightness(1.05);
    transform: scale(1.08);
}

.portfolio-banner {
    margin-top: 60px;
    text-align: center;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.portfolio-banner p {
    color: var(--text-dim);
    margin-bottom: 20px;
}

.btn-portfolio {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: var(--transition);
}

.btn-portfolio:hover {
    color: var(--text-main);
    transform: translateX(5px);
}

/* MODAL LIGHTBOX / VISTA PREVIA */
.image-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.modal-content {
    max-width: 90%;
    max-height: 85vh;
    border-radius: 6px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    object-fit: contain;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.2s;
}

.modal-close:hover {
    color: var(--accent);
}

/* =========================================
   6. CONTACTO Y FORMULARIO
   ========================================= */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.contact-info p {
    color: var(--text-dim);
    margin-bottom: 40px;
}

.direct-channels {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.channel-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-main);
    transition: var(--transition);
}

.channel-card:hover {
    border-color: var(--accent);
    transform: translateX(8px);
}

.channel-card i {
    font-size: 1.5rem;
    color: var(--accent);
}

.channel-card span {
    display: block;
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.channel-card strong {
    font-size: 1rem;
}

/* ESTILOS FORMULARIO */
.contact-form-wrapper {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

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

.form-group label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    color: var(--text-dim);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: #fff;
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.05);
}

.form-group select option {
    background: var(--bg-card);
    color: #fff;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    background: var(--accent);
    border: none;
    color: #000;
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 3px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    background: var(--accent-hover);
}

/* =========================================
   7. FOOTER Y RESPONSIVE
   ========================================= */
.footer-comercial {
    text-align: center;
    padding: 40px;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-dim);
}

@media (max-width: 900px) {
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-comercial h1 {
        font-size: 2.5rem;
    }

    .service-card {
        width: 100%;
    }

    .compact-gallery {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .contact-form-wrapper {
        padding: 25px;
    }
}