:root {
    --primary-color: #2E7D32; /* Forest Green */
    --secondary-color: #1565C0; /* Water Blue */
    --accent-color: #FF8F00; /* Amber/Volcano Glow */
    --text-color: #333;
    --bg-color: #f4f4f4;
    --white: #ffffff;
    --dark-grey: #444;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: var(--text-color);
    background-color: var(--bg-color);
}

header {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../img/sunset_volcan_de_fuego2.jpg') no-repeat center center/cover;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 4rem 1rem;
    text-align: center;
}

nav {
    margin-bottom: 2rem;
}

nav a {
    color: var(--white);
    text-decoration: none;
    margin: 0 1rem;
    font-weight: bold;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--accent-color);
}

main {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    background: var(--white);
    margin-bottom: 2rem;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

h1, h2, h3 {
    color: var(--primary-color);
}

.hero h2 {
    font-size: 2.5rem;
    margin-top: 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.service-card {
    border: 1px solid #ddd;
    padding: 0;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-card-content {
    padding: 1rem;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.service-card h3 {
    margin-top: 0;
    font-size: 1.2rem;
}

.btn {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 1rem;
    transition: background 0.3s ease;
}

.btn:hover {
    background: #1B5E20;
}

footer {
    text-align: center;
    padding: 2rem;
    background: var(--dark-grey);
    color: var(--white);
    margin-top: 2rem;
}

/* Responsive */
@media (max-width: 600px) {
    nav a {
        display: block;
        margin: 0.5rem 0;
    }
}