body {
    font-family: 'Roboto', sans-serif;
    background-color: #f8f9fa;
}
.hero-section {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../assets/img/Lake_Valencia_Venezuela.jpg') no-repeat center center/cover;
    color: white;
    padding: 200px 0;
    text-align: center;
}
.profile-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 4px solid #7cbd1e;
    margin-bottom: 20px;
    object-fit: cover;
    box-shadow: 0 0 20px rgba(124, 189, 30, 0.4);
}
.btn-geo-primary {
    background-color: #7cbd1e;
    color: white;
    border: none;
    font-weight: 500;
    transition: all 0.3s;
}
.btn-geo-primary:hover {
    background-color: #6da61b;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(124, 189, 30, 0.4);
}
.btn-geo-outline {
    background-color: transparent;
    color: white;
    border: 2px solid #7cbd1e;
    font-weight: 500;
    transition: all 0.3s;
}
.btn-geo-outline:hover {
    background-color: #7cbd1e;
    color: white;
    transform: translateY(-2px);
}
.section-title {
    text-align: center;
    margin-bottom: 30px;
    font-weight: 700;
    color: #333;
    font-family: 'Tahoma', sans-serif;
    font-variant: small-caps;
    letter-spacing: 1px;
}
.project-card {
    transition: transform 0.3s;
    height: 100%;
    border: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.project-card:hover {
    transform: translateY(-5px);
}
.skill-badge {
    font-size: 0.9rem;
    margin: 5px;
    font-weight: bold;
}
.badge-gis {
    background-color: #8dc63f;
    color: #24292e;
    font-weight: bold;
}
.btn-github {
    background-color: #24292e;
    color: white;
    border: none;
    transition: background-color 0.3s;
}
.btn-github:hover {
    background-color: #444;
    color: white;
}
.contact-btn {
    margin: 5px;
    padding: 10px 0;
    border-radius: 50px;
    width: 180px;
    display: inline-block;
}
#map {
    border: 1px solid rgba(255, 255, 255, 0.1); /* Sutil border for dark map */
}
footer {
    background-color: #343a40;
    color: white;
    padding: 30px 0;
    text-align: center;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero-section {
        padding: 200px 15px;
    }
    .display-4 {
        font-size: 2.2rem;
    }
    .profile-img {
        width: 120px;
        height: 120px;
    }
    .contact-btn {
        width: 100%;
        max-width: 280px;
        margin: 5px 0;
    }
    #map {
        height: 350px !important;
    }
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 25px;
    }
}

@media (max-width: 576px) {
    .display-4 {
        font-size: 1.8rem;
    }
    .lead {
        font-size: 1rem;
    }
}