/* RESET BÁSICO */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
}

/* HERO */
.hero {
    background: #2c2c2c;
    color: #ffffff;
    text-align: center;
    padding: 70px 20px;
}

.hero h1 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.hero p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 30px;
}

/* BOTÓN PRINCIPAL */
.btn-primary {
    display: inline-block;
    background-color: #c59d5f;
    color: #ffffff;
    padding: 15px 30px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
    transition: background 0.3s ease;
}

.btn-primary:hover {
    background-color: #b0894f;
}

/* SECCIONES GENERALES */
section {
    padding: 50px 20px;
    max-width: 1000px;
    margin: auto;
}

section h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #2c2c2c;
}

/* SERVICIOS */
.servicios ul {
    list-style: none;
    padding: 0;
    max-width: 600px;
    margin: auto;
}

.servicios li {
    background: #ffffff;
    margin-bottom: 10px;
    padding: 12px 15px;
    border-left: 4px solid #c59d5f;
}

/* TEXTO SEO */
.seo-text {
    background: #ffffff;
    padding: 35px;
    margin: 40px auto;
    max-width: 1000px;
}

.seo-text p {
    margin-bottom: 15px;
    line-height: 1.7;
}

/* GALERÍA */
#galeria h3 {
    margin: 40px 0 15px;
    color: #2c2c2c;
}

.grid-galeria {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.grid-galeria img {
    width: 100%;
    border-radius: 6px;
    box-shadow: 0 3px 6px rgba(0,0,0,0.2);
    transition: transform 0.3s ease;
}

.grid-galeria img:hover {
    transform: scale(1.04);
}

/* CALCULADORA */
#calculadora form {
    background: #ffffff;
    padding: 25px;
    max-width: 500px;
    margin: auto;
    border-radius: 4px;
}

#calculadora label {
    display: block;
    margin-bottom: 15px;
    font-weight: bold;
}

#calculadora input,
#calculadora select {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
}

#calculadora button {
    width: 100%;
    padding: 12px;
    background-color: #2c2c2c;
    color: #ffffff;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

#calculadora button:hover {
    background-color: #000000;
}

#resultado {
    text-align: center;
    margin-top: 20px;
    font-weight: bold;
    font-size: 1.1rem;
}

/* BOTÓN WHATSAPP */
.whatsapp-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25d366;
    color: #ffffff;
    padding: 15px 18px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    z-index: 1000;
}

.whatsapp-btn:hover {
    background: #1ebe5d;
}

/* RESPONSIVE */
@media (max-width: 600px) {
    .hero h1 {
        font-size: 1.7rem;
    }

    .hero p {
        font-size: 1rem;
    }
}