/* VARIABLES Y AJUSTES GLOBALES */
:root {
    --primary-color: #00f2fe;
    --secondary-color: #4facfe;
    --accent-color: #0ff0fc;
    --terminal-green: #00ff8c;
    --code-pink: #ff3864;
    --neon-blue: #36d6ff;
    
    /* Modo oscuro (default) */
    --bg-color: #121212;
    --bg-darker: #0a0a0a;
    --bg-medium: #1e1e1e;
    --bg-light: #2d2d2d;
    --card-bg: #1e1e1e;
    --text-color: #e0e0e0;
    --text-secondary: #9e9e9e;
    --border-color: rgba(255, 255, 255, 0.05);
    --terminal-shadow: 0 0 10px rgba(0, 255, 140, 0.2);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --header-gradient: linear-gradient(135deg, #1a1a1a, #0a0a0a);
}

.light-theme {
    --bg-color: #f0f2f5;
    --bg-darker: #e0e0e0;
    --bg-medium: #f5f5f5;
    --bg-light: #ffffff;
    --card-bg: #ffffff;
    --text-color: #232323;
    --text-secondary: #555555;
    --border-color: rgba(0, 0, 0, 0.05);
    --terminal-shadow: 0 0 10px rgba(0, 255, 140, 0.1);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --header-gradient: linear-gradient(135deg, #f5f5f5, #e0e0e0);
    --terminal-green: #000000;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Fira Code', 'Consolas', monospace;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Animaciones básicas */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes float {
    0% { transform: translateY(0) translateX(0) rotate(0); opacity: 0; }
    20% { opacity: 0.3; }
    80% { opacity: 0.3; }
    100% { transform: translateY(-100vh) translateX(100vw) rotate(360deg); opacity: 0; }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes matrix-rain {
    0% { transform: translateY(-100vh); }
    100% { transform: translateY(200vh); }
}

/* LOADER */
.loader-wrapper {
    position: fixed;
    width: 100%;
    height: 100%;
    background: var(--bg-darker);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.loader {
    width: 80px;
    height: 80px;
    border: 8px solid rgba(0, 242, 254, 0.1);
    border-radius: 50%;
    border-top: 8px solid var(--terminal-green);
    position: relative;
    animation: spin 1s linear infinite;
}

/* HEADER Y NAVEGACIÓN */
header {
    height: 100vh;
    background: var(--header-gradient);
    color: var(--text-color);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    z-index: 2;
    animation: fadeInUp 1s ease-out;
    position: relative;
}

.header-content::before {
    content: "<developer>";
    position: absolute;
    top: -50px;
    left: 0;
    font-size: 1rem;
    color: var(--terminal-green);
    opacity: 0.7;
}

.header-content::after {
    content: "</developer>";
    position: absolute;
    bottom: -50px;
    right: 0;
    font-size: 1rem;
    color: var(--terminal-green);
    opacity: 0.7;
}

.header-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(0, 255, 140, 0.1) 0%, transparent 80%),
        radial-gradient(circle at 80% 70%, rgba(0, 242, 254, 0.1) 0%, transparent 80%);
    z-index: 1;
}

.header-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.terminal-prompt {
    display: block;
    color: var(--terminal-green);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.terminal-cursor {
    display: inline-block;
    width: 10px;
    height: 1.2rem;
    background-color: var(--terminal-green);
    margin-left: 5px;
    animation: blink 1s infinite;
    vertical-align: middle;
}

.particle, .code-particle {
    position: absolute;
    pointer-events: none;
    animation: float 15s infinite ease-in-out;
}

.particle {
    display: block;
    background-color: var(--accent-color);
    opacity: 0.3;
    border-radius: 50%;
}

.code-particle {
    color: var(--accent-color);
    opacity: 0.1;
    font-size: 0.8rem;
    z-index: 1;
    animation-duration: 20s;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
}

h1::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, var(--terminal-green), var(--neon-blue));
}

.job-title {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 300;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.job-title::before {
    content: '> ';
    position: absolute;
    left: 0;
    color: var(--terminal-green);
}

.typing-effect {
    overflow: hidden;
    white-space: nowrap;
    border-right: 3px solid var(--terminal-green);
    width: 0;
    animation: typing 2s steps(40, end) forwards;
}

/* NAVEGACIÓN */
.nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    padding: 1.5rem;
    z-index: 999;
    display: flex;
    gap: 1rem;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom-left-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.light-theme .nav-menu {
    background: rgba(240, 240, 240, 0.8);
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--terminal-green);
    background-color: rgba(0, 255, 140, 0.1);
}

.nav-menu a.active {
    border-left: 2px solid var(--terminal-green);
}

.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 45px;
    height: 45px;
    cursor: pointer;
    z-index: 1001;
    transition: all 0.3s ease;
    position: fixed;
    top: 15px;
    right: 15px;
    background: rgba(10, 10, 10, 0.7);
    padding: 8px;
    border-radius: 6px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--terminal-green);
}

.hamburger-icon {
    font-size: 1.3rem;
    color: var(--terminal-green);
}

.hidden {
    display: none;
}

.hamburger-menu:hover {
    transform: scale(1.03);
    box-shadow: 0 0 15px rgba(0, 255, 140, 0.2);
}

.hamburger-menu.active .fa-bars {
    display: none;
}

.hamburger-menu.active .fa-times {
    display: inline-block;
}

/* BOTONES Y CONTROLES */
.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}

.btn:hover {
    transform: translateY(-3px);
}

.btn i {
    margin-right: 0.5rem;
}

.btn-primary {
    background-color: var(--bg-darker);
    color: var(--terminal-green);
    border: 1px solid var(--terminal-green);
}

.btn-primary:hover {
    background-color: rgba(0, 255, 140, 0.1);
    box-shadow: 0 6px 20px rgba(0, 255, 140, 0.2);
}

.btn-secondary {
    background-color: rgba(0, 242, 254, 0.1);
    color: var(--neon-blue);
    border: 1px solid var(--neon-blue);
}

.btn-secondary:hover {
    background-color: rgba(0, 242, 254, 0.2);
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.2);
}

/* SECCIONES COMUNES */
section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    transition: all 0.3s ease;
}

.section-title-container {
    text-align: center;
    position: relative;
    margin-bottom: 4rem;
    overflow: hidden;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    font-weight: 800;
    color: var(--text-color);
    display: inline-block;
    padding: 0 1rem;
}

.section-title::before {
    content: '<';
    position: absolute;
    left: -1rem;
    color: var(--terminal-green);
    opacity: 0.7;
}

.section-title::after {
    content: '/>';
    position: absolute;
    right: -2rem;
    color: var(--terminal-green);
    opacity: 0.7;
}

.section-underline {
    display: block;
    width: 100px;
    height: 4px;
    background: linear-gradient(to right, var(--terminal-green), var(--neon-blue));
    margin: 1rem auto 0;
    position: relative;
    overflow: hidden;
}

/* SECCIÓN ABOUT */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transform: perspective(1000px) rotateY(-5deg);
    transition: all 0.5s ease;
    border: 1px solid var(--border-color);
}

.about-image:hover {
    transform: perspective(1000px) rotateY(0);
    box-shadow: 0 20px 40px rgba(0, 255, 140, 0.2);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: all 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-content h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--terminal-green);
    position: relative;
    display: inline-block;
}

.about-content h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, var(--terminal-green), transparent);
}

.about-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-content p::before {
    content: '// ';
    color: var(--code-pink);
    opacity: 0.7;
}

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

.project-card {
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 255, 140, 0.2);
    border: 1px solid rgba(0, 255, 140, 0.2);
}

.project-image {
    width: 100%;
    height: 200px;
    background-color: var(--bg-darker);
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    filter: grayscale(30%);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.7));
    opacity: 0.2;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

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

.project-links a {
    width: 40px;
    height: 40px;
    background-color: rgba(10, 10, 10, 0.8);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--terminal-green);
    font-size: 1.2rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 255, 140, 0.3);
    position: relative;
    z-index: 10;
}

.project-links a:hover {
    background-color: rgba(0, 255, 140, 0.2);
    color: var(--neon-blue);
    transform: translateY(-3px);
    box-shadow: 0 0 15px rgba(0, 255, 140, 0.3);
}

.project-content {
    padding: 1.5rem;
    position: relative;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.project-category {
    display: inline-block;
    font-size: 0.8rem;
    background-color: rgba(0, 255, 140, 0.1);
    color: var(--terminal-green);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    margin-right: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(0, 255, 140, 0.2);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    line-height: 1.6;
}

/* SECCIÓN EXPERIENCIA - TIMELINE */
/* SECCIÓN EXPERIENCIA - TIMELINE */
.timeline {
    position: relative;
    max-width: 1500px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background: linear-gradient(to bottom, var(--terminal-green), var(--neon-blue), var(--code-pink));
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 2rem;
    box-sizing: border-box;
    margin-bottom: 3rem;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 3rem;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 3rem;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--bg-darker);
    border: 2px solid var(--terminal-green);
    border-radius: 50%;
    top: 35px;
    right: -14px;
    z-index: 1;
    box-shadow: 0 0 10px rgba(0, 255, 140, 0.3);
    transition: all 0.3s ease;
}

.timeline-item:nth-child(even)::after {
    left: -14px;
}

.timeline-item:hover::after {
    background-color: var(--terminal-green);
    box-shadow: 0 0 15px var(--terminal-green);
}

.timeline-content {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
    position: relative;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    overflow: hidden;
    width: 100%;
    max-width: 100%;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 255, 140, 0.2);
    border: 1px solid rgba(0, 255, 140, 0.2);
}

.timeline-content::before {
    content: attr(data-date);
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 0.8rem;
    color: var(--terminal-green);
    opacity: 0.7;
}

.timeline-date {
    display: inline-block;
    font-size: 0.9rem;
    background-color: rgba(0, 255, 140, 0.1);
    color: var(--terminal-green);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    font-weight: 600;
    border: 1px solid rgba(0, 255, 140, 0.2);
}

.timeline-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.7rem;
    color: var(--text-color);
    position: relative;
    display: inline-block;
}

.timeline-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, var(--terminal-green), transparent);
}

.timeline-company {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    font-style: italic;
}

.timeline-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

/* Estilos responsivos para la cronología */
@media (max-width: 992px) {
    .timeline::after {
        left: 30px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 1.5rem;
    }

    .timeline-item:nth-child(odd), .timeline-item:nth-child(even) {
        left: 0;
    }

    .timeline-item:nth-child(odd)::after, .timeline-item:nth-child(even)::after {
        left: 16px;
    }
    
    .timeline-content {
        width: 100%;
        max-width: 100%;
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .timeline-title {
        font-size: 1.3rem;
    }
    
    .timeline-company {
        font-size: 1rem;
    }
    
    .timeline-description {
        font-size: 0.95rem;
    }
    
    .timeline-item {
        padding-left: 60px;
        padding-right: 1rem;
        margin-bottom: 2rem;
    }
    
    .timeline-content {
        padding: 1.2rem;
    }
}

/* SECCIÓN CONTACTO */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: all 0.3s ease;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid transparent;
}

.contact-item:hover {
    background: rgba(0, 255, 140, 0.05);
    border: 1px solid rgba(0, 255, 140, 0.2);
    transform: translateX(5px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 255, 140, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--terminal-green);
    font-size: 1.2rem;
    flex-shrink: 0;
    border: 1px solid rgba(0, 255, 140, 0.2);
    box-shadow: 0 0 10px rgba(0, 255, 140, 0.1);
    transition: all 0.3s ease;
}

.contact-item:hover .contact-icon {
    box-shadow: 0 0 15px rgba(0, 255, 140, 0.3);
    background: rgba(0, 255, 140, 0.15);
}

.contact-details h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    color: var(--text-color);
}

.contact-details p, .contact-details a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-details a:hover {
    color: var(--terminal-green);
}

.contact-form {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    position: relative;
    transition: all 0.3s ease;
}

.contact-form:hover {
    box-shadow: 0 15px 35px rgba(0, 255, 140, 0.1);
    border: 1px solid rgba(0, 255, 140, 0.1);
}

.contact-form::before {
    content: '// Contact form';
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 0.8rem;
    color: var(--terminal-green);
    opacity: 0.7;
}

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

.form-control {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: var(--bg-darker);
    color: var(--text-color);
}

.form-control:focus {
    outline: none;
    border-color: var(--terminal-green);
    box-shadow: 0 0 0 3px rgba(0, 255, 140, 0.1);
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-label::before {
    content: '> ';
    color: var(--terminal-green);
}

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

/* FOOTER */
footer {
    background-color: var(--bg-darker);
    color: var(--text-color);
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.footer-logo::before {
    content: '{';
    margin-right: 0.5rem;
    color: var(--terminal-green);
    opacity: 0.7;
}

.footer-logo::after {
    content: '}';
    margin-left: 0.5rem;
    color: var(--terminal-green);
    opacity: 0.7;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: rgba(0, 255, 140, 0.05);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--terminal-green);
    font-size: 1.2rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 255, 140, 0.1);
}

.social-link:hover {
    background-color: rgba(0, 255, 140, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 0 15px rgba(0, 255, 140, 0.1);
    border: 1px solid rgba(0, 255, 140, 0.2);
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin: 2rem 0;
}

.footer-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

.footer-nav a:hover {
    color: var(--terminal-green);
}

.copyright {
    font-size: 0.9rem;
    color: var(--text-secondary);
    position: relative;
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.copyright::before {
    content: '/* ';
    color: var(--code-pink);
}

/* UTILIDADES */
.theme-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--terminal-green);
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 999;
    transition: all 0.3s ease;
    background: var(--bg-darker);
    border: 1px solid rgba(0, 255, 140, 0.3);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 255, 140, 0.3);
}

.toggle-icon {
    position: relative;
    display: inline-block;
    transition: all 0.3s ease;
}

.matrix-rain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

/* SCROLLBARS PERSONALIZADOS */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

.light-theme ::-webkit-scrollbar-track {
    background: #e0e0e0;
}

.light-theme ::-webkit-scrollbar-thumb {
    background: var(--terminal-green);
}

/* NUEVA SECCIÓN DE HABILIDADES */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.skill-card-compact {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 1.2rem 0.8rem;
    box-shadow: var(--card-shadow);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 150px;
    transform-style: preserve-3d;
    perspective: 1000px;
    display: flex;
    transition: all 0.3s ease;
}

.skill-card-compact:hover {
    transform: translateY(-5px) rotate(2deg);
    box-shadow: 0 15px 30px rgba(0, 255, 140, 0.2);
    border: 1px solid rgba(0, 255, 140, 0.2);
}

.skill-card-compact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 255, 140, 0.1) 0%, rgba(0, 0, 0, 0) 60%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.skill-card-compact:hover::before {
    opacity: 1;
}

.skill-card-compact .skill-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 255, 140, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: var(--terminal-green);
    font-size: 1.8rem;
    position: relative;
    border: 1px solid rgba(0, 255, 140, 0.3);
    box-shadow: var(--terminal-shadow);
    transition: all 0.3s ease;
}

.skill-card-compact:hover .skill-icon {
    transform: translateY(-5px);
    color: var(--neon-blue);
    box-shadow: 0 0 20px rgba(0, 255, 140, 0.4);
}

.skill-card-compact .skill-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
    transition: all 0.3s ease;
}

.skill-card-compact:hover .skill-title {
    color: var(--terminal-green);
}

/* Filtros de habilidades */
.skills-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 2rem;
}

.filter-btn {
    padding: 0.6rem 1.2rem;
    background: var(--bg-darker);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    font-family: 'Fira Code', monospace;
}

.filter-btn.active {
    background: rgba(0, 255, 140, 0.1);
    color: var(--terminal-green);
    border-color: var(--terminal-green);
}

.filter-btn:hover, .filter-btn.active {
    background: rgba(0, 255, 140, 0.1);
    color: var(--terminal-green);
    border-color: var(--terminal-green);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 140, 0.15);
}

.filter-btn::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 8px;
    background-color: var(--terminal-green);
    opacity: 0;
    transition: all 0.3s ease;
    vertical-align: middle;
}

.filter-btn.active::before {
    opacity: 1;
}

/* Sistema de iluminación para filtrado */
.skill-card-compact.dimmed {
    transition: all 0.3s ease;
    filter: grayscale(70%);
    opacity: 0.4;
    transform: scale(0.95);
}

.skill-card-compact.dimmed .skill-icon {
    box-shadow: none;
}

/* Estilos para la sección de Próximos Objetivos de Aprendizaje */
#learning-objectives {
    padding: 6rem 2rem;
    position: relative;
    overflow: hidden;
}

.light-theme #learning-objectives {
    background-color: var(--bg-light);
}

.section-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    position: relative;
    padding: 0 1rem;
}

.section-description::before {
    content: '// ';
    color: var(--terminal-green);
    opacity: 0.7;
}

/* Animación para los elementos de los objetivos de aprendizaje */
#learning-objectives .skill-card-compact {
    position: relative;
    overflow: hidden;
}

#learning-objectives .skill-card-compact::after {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(0, 255, 140, 0.1), transparent);
    transition: all 1s ease;
}

#learning-objectives .skill-card-compact:hover::after {
    left: 100%;
}

#learning-objectives .skill-icon {
    transform: scale(0.95);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

#learning-objectives .skill-card-compact:hover .skill-icon {
    transform: scale(1.05);
    box-shadow: 0 0 25px rgba(0, 255, 140, 0.4);
}

/* Etiqueta de "Próximo" en cada tarjeta */
#learning-objectives .skill-card-compact::before {
    content: 'Próximo';
    position: absolute;
    top: 0;
    right: 0;
    background-color: rgba(0, 255, 140, 0.2);
    color: var(--terminal-green);
    font-size: 0.7rem;
    padding: 0.2rem 0.4rem;
    border-radius: 0 0 0 8px;
    opacity: 0.8;
    transition: all 0.3s ease;
}

#learning-objectives .skill-card-compact:hover::before {
    background-color: rgba(0, 255, 140, 0.3);
    opacity: 1;
}

/* MEDIA QUERIES RESPONSIVE */
@media (max-width: 992px) {
    h1 {
        font-size: 3rem;
    }

    .about-container, .contact-container {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
        max-width: 600px;
        margin: 0 auto 2rem;
    }

    .timeline::after {
        left: 30px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 1.5rem;
    }

    .timeline-item:nth-child(odd), .timeline-item:nth-child(even) {
        left: 0;
    }

    .timeline-item:nth-child(odd)::after, .timeline-item:nth-child(even)::after {
        left: 16px;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem !important;
        word-break: break-word;
    }

    .typing-effect {
        font-size: 1.8rem;
        white-space: normal;
    }

    .job-title {
        font-size: 1.2rem;
    }

    .header-content p {
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 2rem;
    }

    section {
        padding: 3rem 1rem !important;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 0.8rem;
        width: 100%;
    }

    .btn {
        width: 100%;
        text-align: center;
        padding: 0.8rem 1rem;
    }

    .hamburger-menu {
        display: flex;
        background-color: rgba(10, 10, 10, 0.8);
    }

    .nav-menu {
        flex-direction: column;
        align-items: flex-end;
        background: rgba(10, 10, 10, 0.95);
        padding: 80px 1.5rem 1.5rem;
        border-radius: 0 0 0 10px;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        pointer-events: none;
        transition: all 0.5s cubic-bezier(0.77, 0.2, 0.05, 1);
        width: 70%;
        right: 0;
        box-shadow: -5px 5px 15px rgba(0, 0, 0, 0.2);
    }

    .nav-menu.active {
        max-height: none;
        height: auto;
        opacity: 1;
        pointer-events: all;
        z-index: 1000;
    }

    .nav-menu a {
        padding: 0.8rem 0;
        margin: 0;
        width: 100%;
        text-align: right;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu a:last-child {
        border-bottom: none;
    }

    .light-theme .nav-menu {
        background: rgba(240, 240, 240, 0.95);
    }

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

    .project-card {
        margin-bottom: 1rem;
    }

    .project-image {
        height: 180px;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 1rem;
    }
    
    .skill-card-compact {
        padding: 1rem 0.5rem;
        min-height: 120px;
    }
    
    .skill-card-compact .skill-icon {
        width: 40px;
        height: 40px;
        font-size: 1.4rem;
        margin-bottom: 0.7rem;
    }
    
    .skill-card-compact .skill-title {
        font-size: 0.8rem;
    }
    
    .filter-btn {
        padding: 0.5rem 0.8rem;
        width: 9rem;
        height: 3rem;
        margin-inline: 0.5rem;
        font-size: 0.8rem;
    }

    .contact-container {
        gap: 2rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .form-control {
        padding: 0.8rem;
        font-size: 0.95rem;
    }

    .contact-item {
        padding: 0.8rem;
    }

    .footer-nav {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .footer-logo {
        font-size: 1.5rem;
    }

    .copyright {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    header {
        height: auto;
        min-height: 100vh;
        padding-top: 5rem;
    }
    
    .about-image img {
        max-width: 100%;
        height: auto;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 0.8rem;
    }
    
    .skill-card-compact {
        min-height: 100px;
    }
    
    .skills-filter {
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.7rem;
    }
    
    .contact-details a {
        word-break: break-all;
        display: inline-block;
    }
}