/* Paleta de Colores - Tema Oscuro (Negro, Gris, Azul) */
:root {
    --color-bg-main: #0b0e14; /* Negro suave de fondo general */
    --color-bg-card: #151a22; /* Gris muy oscuro para tarjetas y navbar */
    --color-bg-alt: #1a222c; /* Gris intermedio para cajas secundarias */

    --color-primary: #3b82f6; /* Azul resaltante */
    --color-primary-hover: #60a5fa; /* Azul más claro para hover */

    --color-text-main: #f8fafc; /* Blanco/Gris muy claro para títulos */
    --color-text-muted: #94a3b8; /* Gris medio para párrafos */

    --color-accent: #25d366; /* Verde WhatsApp */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Inter", sans-serif;
}

body {
    background-color: var(--color-bg-main);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navegación */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background-color: rgba(21, 26, 34, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #1f2937;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 45px;
    width: auto;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-main);
}

.navbar nav a {
    text-decoration: none;
    color: var(--color-text-muted);
    margin-left: 25px;
    font-weight: 600;
    transition: color 0.3s ease;
    font-size: 1.1rem;
}

.navbar nav a:hover {
    color: var(--color-primary);
}

/* Banner Principal (Hero) */
.hero {
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background-color: var(--color-bg-card);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(11, 14, 20, 0.7),
        rgba(11, 14, 20, 0.95)
    );
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    padding: 0 20px;
    color: var(--color-text-main);
    max-width: 900px;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    color: var(--color-text-muted);
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
    padding: 15px 35px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    display: inline-block;
}

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

/* Secciones Generales */
.section-padding {
    padding: 6rem 5%;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    color: var(--color-text-main);
    margin-bottom: 4rem;
}

/* Grid de Servicios y Tarjetas más grandes */
.services-grid {
    display: grid;
    /* Se amplió el minmax a 350px para hacer las tarjetas mucho más grandes en PC */
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.service-card {
    background-color: var(--color-bg-card);
    border: 1px solid #1f2937;
    border-radius: 12px;
    padding: 30px;
    text-align: left;
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: #2d3748;
}

/* Contenedor responsivo para las imágenes */
.img-placeholder {
    width: 100%;
    /* Utiliza una proporción en lugar de una altura fija para evitar recortes en celulares */
    aspect-ratio: 4 / 3;
    height: auto;
    background-color: var(--color-bg-alt);
    border-radius: 8px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.img-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Adapta la imagen al tamaño */
    object-position: center; /* Centra la imagen para que lo importante no se corte */
    transition: transform 0.5s ease;
}

.service-card:hover .img-placeholder img {
    transform: scale(1.05); /* Zoom sutil al pasar el mouse */
}

.service-card h3 {
    color: var(--color-primary);
    font-size: 1.6rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    line-height: 1.7;
}

/* Contacto */
.contact {
    background-color: var(--color-bg-main);
    text-align: center;
    border-top: 1px solid #1f2937;
}

.contact-container {
    max-width: 900px;
    margin: 0 auto;
}

.contact-subtitle {
    font-size: 1.3rem;
    color: var(--color-text-muted);
    margin-bottom: 4rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    text-align: left;
    background-color: var(--color-bg-card);
    border: 1px solid #1f2937;
    padding: 40px;
    border-radius: 12px;
}

.info-item strong {
    display: block;
    color: var(--color-text-main);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.info-item p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.info-item a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Botón flotante WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--color-accent);
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    z-index: 1000;
    transition: transform 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #1ebe5d;
}

/* Footer */
footer {
    background-color: var(--color-bg-card);
    color: var(--color-text-muted);
    text-align: center;
    padding: 30px 20px;
    font-size: 1rem;
    border-top: 1px solid #1f2937;
}

/* Animaciones */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition:
        opacity 0.8s ease-out,
        transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Correcciones de Responsividad para Celulares y Tablets */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 15px;
        padding: 1rem;
    }

    .navbar nav a {
        margin: 0 10px;
        font-size: 1rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .section-padding {
        padding: 4rem 5%;
    }

    .section-title {
        font-size: 2.2rem;
        margin-bottom: 2.5rem;
    }

    .services-grid {
        /* En celulares, fuerza 1 sola columna para que las imágenes no se corten */
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .img-placeholder {
        /* Mantiene la proporción en móviles sin que se haga infinitamente alto */
        aspect-ratio: 16 / 9;
    }

    .contact-info {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 30px 20px;
    }
}