:root {
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --primary-text: #212529;
    --secondary-text: #6c757d;
    --accent-color: #007bff;
    --highlight-bg: #e7f3ff;
    --border-color: #dee2e6;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.08);
}

body {
    font-family: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    background-color: var(--bg-color);
    color: var(--primary-text);
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 2rem 3rem;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    position: relative;
}

.language-switcher {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 0.9rem;
    font-weight: bold;
    z-index: 10;
}

.language-switcher a {
    color: var(--secondary-text);
    text-decoration: none;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: background-color 0.2s, color 0.2s;
}

.language-switcher a.active {
    background-color: var(--accent-color);
    color: white;
}

.language-switcher a:not(.active):hover {
    background-color: #f0f0f0;
}

.language-switcher span {
    color: var(--border-color);
    margin: 0 0.25rem;
}

.main-header {
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2rem;
    margin-bottom: 2.5rem;
}

.main-header h1 {
    font-family: 'Merriweather', serif;
    margin: 0;
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--primary-text);
    letter-spacing: -1px;
}

.main-header .subtitle {
    margin: 0.5rem 0 1.5rem 0;
    font-size: 1.2rem;
    color: var(--accent-color);
    font-weight: 700;
    font-family: 'Merriweather', serif;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem 2rem;
    font-size: 0.9rem;
    color: var(--secondary-text);
}

.contact-info span {
    display: inline-flex;
    align-items: center;
}

.contact-info a {
    color: var(--secondary-text);
    text-decoration: none;
    transition: color 0.2s;
}

.contact-info a:hover {
    color: var(--accent-color);
}

.contact-info i {
    margin-right: 0.5rem;
    color: var(--accent-color);
    font-size: 1.1em;
}

section {
    margin-bottom: 3rem;
}

section h2 {
    font-family: 'Merriweather', serif;
    font-size: 1.6rem;
    color: var(--primary-text);
    border-bottom: 3px solid var(--accent-color);
    padding-bottom: 0.6rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
}

section h2 i {
    margin-right: 1rem;
    color: var(--accent-color);
}

#profile p {
    font-size: 1.05rem;
    line-height: 1.8;
}

.achievement-card {
    background-color: #fdfdfd;
    border-left: 5px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
    border-radius: 0 8px 8px 0;
    transition: box-shadow 0.3s, transform 0.3s;
}

.achievement-card.highlight {
    background-color: var(--highlight-bg);
    border-left-color: var(--accent-color);
}

.achievement-card h3 {
    font-size: 1.1rem;
    margin: 0 0 0.5rem 0;
    color: var(--primary-text);
    display: flex;
    align-items: center;
}

.achievement-card.highlight h3 i {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

.achievement-card p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--secondary-text);
}

.job-entry {
    margin-bottom: 2rem;
}
.job-entry:last-child {
    margin-bottom: 0;
}
.job-entry h3 {
    font-size: 1.2rem;
    margin: 0;
}
.job-entry .job-meta {
    font-size: 0.9rem;
    color: var(--accent-color);
    font-weight: bold;
    margin-bottom: 0.75rem;
}
.job-entry ul {
    list-style-type: none;
    padding-left: 0;
    margin: 0;
}
.job-entry li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    color: var(--secondary-text);
}
.job-entry li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.education-entry {
    margin-bottom: 1rem;
}
.education-entry h3 {
    font-size: 1.1rem;
    margin: 0;
}
.education-entry p {
    margin: 0;
    color: var(--secondary-text);
}

.cert-list {
    list-style: none;
    padding: 0;
}
.cert-list li {
    border-bottom: 1px solid #f0f0f0;
    padding: 0.75rem 0;
    font-size: 0.95rem;
}
.cert-list li:last-child {
    border-bottom: none;
}
.cert-list .cert-year {
    font-weight: bold;
    color: var(--primary-text);
    margin-right: 1rem;
    display: inline-block;
    width: 40px;
}
.cert-list .cert-year.highlight {
    color: var(--accent-color);
}
.cert-list .cert-institution {
    color: var(--secondary-text);
    font-style: italic;
}

.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    background-color: var(--highlight-bg);
    color: var(--accent-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* --- ESTILOS DE TARJETAS DE PROYECTOS --- */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    text-decoration: none;
    color: var(--primary-text);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%; /* Altura completa para alineación */
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    border-color: var(--accent-color);
}

.project-icon-wrapper {
    background-color: var(--highlight-bg);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: background-color 0.3s;
}

.project-card:hover .project-icon-wrapper {
    background-color: var(--accent-color);
}

.project-card:hover .project-icon-wrapper i {
    color: white;
}

.project-card i {
    font-size: 1.8rem;
    color: var(--accent-color);
    transition: color 0.3s;
}

.project-content {
    flex-grow: 1; /* Empuja el CTA hacia abajo */
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 1.5rem;
}

.project-card h3 {
    font-size: 1.2rem;
    margin: 0 0 0.5rem 0;
    color: var(--primary-text);
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

.project-card h3 .small-icon {
    font-size: 0.8rem;
    opacity: 0.5;
    color: var(--secondary-text);
}

.project-card:hover h3 .small-icon {
    opacity: 1;
    color: var(--accent-color);
}

.project-card p {
    font-size: 0.9rem;
    color: var(--secondary-text);
    margin: 0;
    line-height: 1.5;
}

.project-cta {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
    transition: gap 0.2s ease;
}

.project-card:hover .project-cta {
    gap: 0.8rem;
    text-decoration: underline;
}

.notes-content {
    background-color: #fdfdfd;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    font-size: 0.9rem;
    color: var(--secondary-text);
    font-style: italic;
}
.notes-content p {
    margin-bottom: 1rem;
}
.notes-content p:last-child {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
        margin: 1rem;
    }
    .main-header h1 {
        font-size: 2rem;
    }
    .contact-info {
        flex-direction: column;
        gap: 0.5rem;
        align-items: center;
    }
}