:root {
    --primary-color: #212529;
    --secondary-color: #f8f9fa;
    --accent-color: #6c757d;
    --dark-accent: #343a40;
}

body {
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    color: var(--primary-color);
    scroll-behavior: smooth;
}

.navbar {
    background-color: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

section {
    padding: 100px 0;
}

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--secondary-color);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.25rem;
    color: var(--accent-color);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 10px 25px;
    border-radius: 0;
    transition: all 0.3s;
}

.btn-primary:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-3px);
}

.about {
    background-color: rgba(255, 255, 255, 0.865);
}

.profile-img {
    width: 250px;
    height: 250px;
    object-fit: cover;
    border-radius: 50%;
    border: 8px solid var(--secondary-color);
}

.card {
    border: none;
    border-radius: 10px;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    height: 100%;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.card-img-top {
    border-radius: 10px 10px 0 0;
    height: 200px;
    object-fit: cover;
}

.card-title {
    font-weight: 700;
}

.badge {
    background-color: var(--accent-color);
    color: white;
    font-weight: 500;
    margin-right: 5px;
    padding: 5px 10px;
    border-radius: 30px;
}

.contact {
    background-color: var(--dark-accent);
    color: white;
}

.social-icons a {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin: 0 10px;
    transition: all 0.3s;
}

.social-icons a:hover {
    color: var(--accent-color);
    transform: translateY(-5px);
}

footer {
    background-color: var(--primary-color);
    color: white;
    padding: 20px 0;
}

.skill-card {
    padding: 20px;
    border-radius: 10px;
    background-color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
    transition: all 0.3s;
    border-left: 5px solid var(--primary-color);
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.skill-icon {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.skill-level {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 10px;
    background-color: var(--secondary-color);
}

/* Estilos para certificaciones */
.cert-card {
    padding: 20px;
    border-radius: 10px;
    background-color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
    border-top: 5px solid var(--primary-color);
    transition: all 0.3s;
}

.cert-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.cert-logo {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 15px;
}

.cert-date {
    font-size: 0.85rem;
    color: var(--accent-color);
    margin-bottom: 0;
}