body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background-color: #121212;
    color: #e0e0e0;
}

header {
    background-color: #1e1e1e;
    padding: 2rem 1rem;
    text-align: center;
}

header img {
    max-width: 150px;
    margin-bottom: 1rem;
}

header h1 {
    margin: 0;
    font-size: 2rem;
}

.intro {
    padding: 2rem 1rem;
    text-align: center;
    max-width: 800px;
    margin: auto;
}

.services {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    padding: 2rem 1rem;
    max-width: 1000px;
    margin: auto;
}

.service {
    background-color: #1f1f1f;
    padding: 1.5rem;
    border-radius: 10px;
    width: 100%;
}

.service h2 {
    margin-top: 0;
    color: #00bcd4;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    padding: 2rem 1rem;
    max-width: 1000px;
    margin: auto;
}

.gallery img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
}

footer {
    background-color: #1e1e1e;
    padding: 1rem;
    text-align: center;
    font-size: 0.9rem;
    color: #aaa;
}

.contact-info {
    margin-top: 1rem;
    font-size: 0.95rem;
    color: #bbb;
}

/* Estilos para el botón de WhatsApp */
.whatsapp-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    text-align: center;
    font-size: 30px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-decoration: none; /* Asegura que no tenga subrayado */
}

.whatsapp-btn:hover {
    background-color: #128C7E;
    transform: scale(1.1);
}

.whatsapp-btn::before {
    content: "WhatsApp";
    font-family: sans-serif;
    font-size: 0;
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.whatsapp-btn i {
    display: block;
}

/* Para logos (Linux, JS, Python) */
.gallery img.logo {
    width: 100%;
    height: 200px;
    object-fit: contain;
    background-color: #121212; /* el mismo que tu body */
    border-radius: 8px;
    padding: 10px;
}

.portfolio {
    margin-top: 2rem;
}

.portfolio-btn {
    display: inline-block;
    background-color: #00bcd4;
    color: #fff;
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.portfolio-btn:hover {
    background-color: #0097a7;
}