/* Variables para un diseño fácil de modificar */
:root {
    --primary-color: #007bff; /* Azul vibrante (puedes cambiarlo a tu color favorito) */
    --secondary-color: #343a40; /* Negro casi oscuro */
    --light-bg: #f8f9fa; /* Fondo claro */
    --dark-bg: #212529; /* Fondo oscuro para contraste */
    --text-light: #ffffff;
    --text-dark: #333;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --border-radius: 10px;
}

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

body {
    font-family: 'Arial', sans-serif; /* Cambiar a 'Poppins', 'Montserrat', o similar para más modernidad */
    line-height: 1.6;
    background-color: var(--light-bg);
    color: var(--text-dark);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- SECCIÓN HERO (PRESENTACIÓN) --- */
.hero {
    background: var(--dark-bg); /* Fondo oscuro */
    color: var(--text-light);
    padding: 100px 0;
    text-align: center;
    clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%); /* Efecto moderno en el borde inferior */
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5em;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.hero .subtitle {
    font-size: 1.5em;
    font-weight: 300;
    margin-bottom: 20px;
}

/* --- SECCIONES GENERALES --- */
.section {
    padding: 80px 0;
    text-align: center;
}

.dark-bg {
    background-color: var(--dark-bg);
    color: var(--text-light);
}

.section h2 {
    font-size: 2.5em;
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
}

.section h2::after {
    content: '';
    position: absolute;
    width: 50%;
    height: 4px;
    background-color: var(--primary-color);
    bottom: -10px;
    left: 25%;
    border-radius: 2px;
}

/* --- SERVICIOS/HABILIDADES --- */
.services-grid {
    display: flex;
    justify-content: space-around;
    gap: 30px;
}

.service-card {
    background-color: #343a40; /* Un poco más claro que el fondo oscuro */
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: transform 0.3s, background-color 0.3s;
    flex: 1;
    min-width: 250px;
}

.service-card:hover {
    transform: translateY(-10px);
    background-color: var(--primary-color);
}

.service-card i {
    font-size: 3em;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.service-card:hover i {
    color: var(--text-light);
}

.service-card h3 {
    margin-bottom: 10px;
}

/* --- CONTACTO Y FOOTER --- */
.footer {
    background-color: var(--secondary-color);
    color: var(--text-light);
    padding: 60px 0 20px 0;
    text-align: center;
}

.contact-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
}

.contact-item {
    color: var(--text-light);
    text-decoration: none;
    font-size: 1.1em;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    transition: background-color 0.3s, transform 0.3s;
}

.contact-item:hover {
    background-color: var(--primary-color);
    transform: scale(1.05);
}

.contact-item i {
    font-size: 1.5em;
}

.payment-box {
    margin: 40px auto;
    padding: 20px;
    max-width: 400px;
    background-color: #495057;
    border-radius: var(--border-radius);
}

.payment-box h3 {
    margin-bottom: 15px;
}

.paypal-link {
    display: inline-block;
    background-color: #0070ba; /* Color oficial de PayPal */
    color: var(--text-light);
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.paypal-link:hover {
    background-color: #00457c;
}

.paypal-link i {
    margin-right: 10px;
}

.copy {
    margin-top: 30px;
    font-size: 0.9em;
    opacity: 0.7;
}

/* --- Media Queries para responsividad --- */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5em;
    }

    .services-grid {
        flex-direction: column;
        gap: 20px;
    }
}