/* Base */
:root {
    --primary-color: #0d1117;
    --secondary-color: #161b22;
    --accent-color: #58a6ff;
    --text-color: #c9d1d9;
    --text-secondary: #8b949e;
    --border-color: #30363d;
    --card-color: #21262d;
    --success-color: #238636;
    --danger-color: #f85149;
    --warning-color: #f0883e;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--primary-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: var(--accent-color);
    transition: color 0.3s ease;
}

a:hover {
    color: #79b9ff;
}

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.25;
}

p {
    margin-bottom: 1.5rem;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section-title {
    position: relative;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--text-color);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #fff;
}

.btn-primary:hover {
    background-color: #4089e4;
    color: #fff;
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--card-color);
    border-color: var(--accent-color);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(13, 17, 23, 0.95);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    transition: 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

.navbar-logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--accent-color);
}

.navbar-logo h1 {
    margin: 0;
}

.navbar-menu {
    display: flex;
}

.navbar-menu li {
    margin-left: 1.5rem;
}

.navbar-menu a {
    color: var(--text-color);
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem;
    transition: all 0.3s ease;
}

.navbar-menu a:hover, .navbar-menu a.active {
    color: var(--accent-color);
}

.navbar-toggle {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: all 0.3s ease;
    background-color: var(--text-color);
}

/* Hero Section */
.hero {
    padding-top: 5rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-content {
    flex: 1;
    margin-right: 2rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

.hero-content h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-img-container {
    position: relative;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid var(--accent-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* About Section */
.about {
    background-color: var(--secondary-color);
}

.about-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
}

.about-info {
    flex: 1;
}

.about-details {
    margin-top: 2rem;
}

.detail {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.detail i {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-right: 1rem;
    width: 25px;
}

/* Experience Section */
.experience {
    background-color: var(--primary-color);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background-color: var(--border-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    width: 20px;
    height: 20px;
    background-color: var(--accent-color);
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.timeline-content {
    width: calc(50% - 40px);
    padding: 1.5rem;
    background-color: var(--card-color);
    border-radius: 6px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
}

.timeline-date {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Projects Section */
.projects {
    background-color: var(--secondary-color);
}

.project-filter {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--border-color);
    background-color: transparent;
    color: var(--text-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--card-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.project-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-img img {
    transform: scale(1.1);
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.project-tech span {
    background-color: var(--secondary-color);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.project-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.project-links a {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.project-links a:hover {
    background-color: var(--accent-color);
    color: #fff;
}

/* Education Section */
.education {
    background-color: var(--primary-color);
}

.education-container {
    max-width: 800px;
    margin: 0 auto;
}

.education-item {
    display: flex;
    margin-bottom: 2rem;
    background-color: var(--card-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.education-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    background-color: var(--accent-color);
}

.education-icon i {
    font-size: 2rem;
    color: #fff;
}

.education-content {
    flex: 1;
    padding: 1.5rem;
}

.education-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.education-content h4 {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.education-content p {
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.education-details {
    list-style-type: disc;
    padding-left: 1.5rem;
    margin-bottom: 0;
}

.education-details li {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

/* Skills Section */
.skills {
    background-color: var(--secondary-color);
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.skills-category {
    background-color: var(--card-color);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.skills-category h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--accent-color);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.skill-item {
    display: flex;
    align-items: center;
    background-color: var(--secondary-color);
    padding: 0.8rem 1rem;
    border-radius: 6px;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.skill-item:hover {
    transform: translateY(-5px);
    background-color: rgba(88, 166, 255, 0.1);
}

.skill-item i {
    font-size: 1.2rem;
    margin-right: 0.8rem;
    color: var(--accent-color);
}

/* Contact Section */
.contact {
    background-color: var(--primary-color);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.contact-link {
    display: flex;
    align-items: center;
    transition: transform 0.3s ease;
}

.contact-link:hover {
    transform: translateX(10px);
}

.contact-link i {
    font-size: 1.2rem;
    margin-right: 1rem;
    width: 25px;
    color: var(--accent-color);
}

.contact-form {
    background-color: var(--card-color);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    background-color: var(--secondary-color);
    color: var(--text-color);
    border-radius: 4px;
    font-family: var(--font-primary);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.footer-logo h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.footer-logo p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--card-color);
    transition: all 0.3s ease;
}

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

.footer-social i {
    font-size: 1.2rem;
    color: var(--text-color);
}

.footer-social a:hover i {
    color: #fff;
}

.footer-copyright {
    color: var(--text-secondary);
}

/* Media Queries */
@media screen and (max-width: 992px) {
    .hero-container {
        flex-direction: column-reverse;
        text-align: center;
    }
    
    .hero-content {
        margin-right: 0;
        margin-top: 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-dot {
        left: 30px;
    }
    
    .timeline-content {
        width: calc(100% - 80px);
        margin-left: 80px !important;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 768px) {
    .navbar-menu {
        position: fixed;
        top: -100%;
        left: 0;
        width: 100%;
        flex-direction: column;
        background-color: var(--secondary-color);
        padding: 2rem 0;
        transition: all 0.3s ease;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    }
    
    .navbar-menu.active {
        top: 60px;
    }
    
    .navbar-menu li {
        margin: 1rem 0;
        text-align: center;
    }
    
    .navbar-toggle {
        display: block;
    }
    
    .navbar-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .navbar-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .navbar-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .skills-container {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 768px) {
    .navbar-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        flex-direction: column;
        background-color: var(--secondary-color);
        padding: 4rem 0;
        transition: all 0.3s ease;
        z-index: 999;
        transform: translateX(-100%);
    }
    
    .navbar-menu.active {
        transform: translateX(0);
    }
    
    .navbar-menu li {
        margin: 1.5rem 0;
        text-align: center;
    }
    
    .navbar-menu a {
        font-size: 1.2rem;
    }
    
    .menu-close-btn {
        display: block;
        position: absolute;
        top: 20px;
        right: 20px;
        background: none;
        border: none;
        color: var(--text-color);
        font-size: 1.5rem;
        cursor: pointer;
        z-index: 1000;
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        transition: all 0.3s ease;
    }
    
    .menu-close-btn:hover {
        background-color: rgba(255, 255, 255, 0.1);
        color: var(--accent-color);
    }
}

/* Ocultar el botón de cierre en pantallas grandes por defecto */
.menu-close-btn {
    display: none;
}

/* Estilos actualizados para la sección de Experiencia en IA */

/* IA Experience Section */
.ia-experience {
    background-color: var(--primary-color);
    padding: 4rem 0;
}

.section-description {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.ia-models-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.ia-model-card {
    background-color: rgba(33, 38, 45, 0.6);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    align-items: flex-start;
    border: 1px solid var(--border-color);
}

.ia-model-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-color);
}

.ia-model-icon {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
}

.ia-model-icon i {
    font-size: 2rem;
    background: linear-gradient(135deg, #5e72e4, #8c66ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ia-model-content {
    padding: 1.5rem;
    flex: 1;
}

.ia-model-content h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
}

.ia-model-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.ia-model-list {
    list-style: none;
    padding: 0;
}

.ia-model-list li {
    display: flex;
    align-items: center;
    margin-bottom: 0.6rem;
    color: var(--text-color);
    font-size: 0.9rem;
}

.ia-model-list li i {
    color: #8c66ff;
    margin-right: 0.8rem;
    font-size: 0.8rem;
}

/* Media queries */
@media screen and (max-width: 768px) {
    .ia-model-card {
        flex-direction: column;
    }
    
    .ia-model-icon {
        width: 100%;
        padding: 1.2rem;
    }
    
    .ia-model-content {
        width: 100%;
    }
    
    .section-description {
        padding: 0 1rem;
    }
}

/* Animación para las tarjetas */
.ia-model-card {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.ia-model-card:nth-child(2) {
    transition-delay: 0.1s;
}

.ia-model-card:nth-child(3) {
    transition-delay: 0.2s;
}

.ia-model-card.animate {
    opacity: 1;
    transform: translateX(0);
}