/* Reset y Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --text-light: #666;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --border-color: #e9ecef;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 5px 25px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --max-width: 1200px;
}

/* Tipografía */
body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
}

/* Header y Navegación */
.header {
    background: var(--bg-color);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--secondary-color);
    background-color: rgba(52, 152, 219, 0.1);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

/* Carousel */
.carousel-container {
    position: relative;
    height: 250px;
    overflow: hidden;
    margin-top: 80px;
}

.carousel {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7);
}

.carousel-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 2;
}

.carousel-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.carousel-content p {
    font-size: 1.2rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
}

.carousel-btn {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    font-size: 2rem;
    padding: 1rem;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.carousel-btn:hover {
    background: rgba(255,255,255,0.3);
}

.carousel-btn.prev {
    left: 2rem;
}

.carousel-btn.next {
    right: 2rem;
}

.carousel-dots {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 3;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active,
.dot:hover {
    background: white;
}

/* Contenido Principal */
.main-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem;
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.container {
    width: 100%;
}

.section-title {
    text-align: center;
    color: var(--primary-color);
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--secondary-color);
    margin: 1rem auto;
    border-radius: 2px;
}

/* Sección Inicio */
.intro-section {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
    margin: 4rem 0;
}

.intro-text h1 {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 700;
}

.intro-text h2 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
    font-weight: 500;
}

.intro-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.intro-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--text-light);
    font-weight: 500;
}

.intro-image img {
    width: 100%;
    max-width: 300px;
    border-radius: 50%;
    box-shadow: var(--shadow-hover);
    transition: var(--transition);
}

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

/* Sección Sobre Mí */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-top: 2rem;
}

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

.about-highlights {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.about-highlights h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.about-highlights ul {
    list-style: none;
}

.about-highlights li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-light);
}

.about-highlights i {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

/* Sección Habilidades */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.skill-category {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.3rem;
    text-align: center;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.skill-item img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.skill-item span {
    font-weight: 500;
    color: var(--text-color);
    min-width: 100px;
}

.skill-level {
    flex: 1;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.skill-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: 4px;
    transition: width 1s ease-in-out;
    width: 0%;
}

/* Sección Experiencia */
.timeline {
    position: relative;
    margin-top: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 2rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--secondary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    margin-left: 4rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -5rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    background: var(--secondary-color);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: var(--shadow);
}

.timeline-date {
    background: var(--secondary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    display: inline-block;
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.timeline-content {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-hover);
}

.timeline-content h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

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

.timeline-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.timeline-content ul {
    color: var(--text-light);
    padding-left: 1.5rem;
}

.timeline-content li {
    margin-bottom: 0.5rem;
}

/* Sección Proyectos */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.project-card {
    background: var(--bg-light);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.project-image {
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.project-content {
    padding: 2rem;
}

.project-content h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.project-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.tech-tag {
    background: var(--secondary-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Sección Contacto */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-top: 2rem;
}

.contact-info h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.contact-method:hover {
    background: var(--secondary-color);
    color: white;
}

.contact-method i {
    font-size: 1.2rem;
    color: var(--secondary-color);
    width: 24px;
    text-align: center;
}

.contact-method:hover i {
    color: white;
}

/* Formulario de Contacto */
.contact-form-container {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.char-counter {
    margin-top: 0.5rem;
    text-align: right;
    font-size: 0.9rem;
    color: var(--text-light);
}

.privacy-notice {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin: 1rem 0;
}

.privacy-notice input[type="checkbox"] {
    margin-top: 0.3rem;
}

.privacy-notice label {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.4;
}

.privacy-notice a {
    color: var(--secondary-color);
    text-decoration: none;
}

.privacy-notice a:hover {
    text-decoration: underline;
}

.submit-btn {
    background: var(--secondary-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.submit-btn:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-hover);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    background: var(--primary-color);
    color: white;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.3rem;
}

.close {
    color: white;
    float: right;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.close:hover {
    opacity: 0.8;
}

.modal-body {
    padding: 2rem;
}

.modal-body h4 {
    color: var(--primary-color);
    margin: 1.5rem 0 1rem 0;
    font-size: 1.1rem;
}

.modal-body p,
.modal-body li {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.modal-body ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.privacy-date {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-top: 2rem;
    font-size: 0.9rem;
}

.modal-footer {
    padding: 1rem 2rem 2rem;
    text-align: center;
}

.btn-accept {
    background: var(--secondary-color);
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: var(--border-radius);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-accept:hover {
    background: var(--primary-color);
}

/* Mensajes de Estado */
.message-container {
    position: fixed;
    top: 100px;
    right: 2rem;
    z-index: 1500;
    max-width: 400px;
}

.message {
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-hover);
    animation: slideInRight 0.3s ease-out;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer .container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--secondary-color);
    transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .intro-section,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .intro-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow);
        gap: 0;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hamburger {
        display: flex;
    }
    
    .carousel-content h1 {
        font-size: 2rem;
    }
    
    .carousel-content p {
        font-size: 1rem;
    }
    
    .intro-text h1 {
        font-size: 2rem;
    }
    
    .intro-stats {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 1rem;
    }
    
    .timeline-item {
        margin-left: 2.5rem;
    }
    
    .timeline-item::before {
        left: -2.5rem;
    }
    
    .footer .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
    
    .message-container {
        right: 1rem;
        left: 1rem;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 1rem;
    }
    
    .carousel-container {
        height: 200px;
    }
    
    .carousel-btn {
        font-size: 1.5rem;
        padding: 0.5rem;
    }
    
    .carousel-btn.prev {
        left: 1rem;
    }
    
    .carousel-btn.next {
        right: 1rem;
    }
    
    .intro-text h1 {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-container {
        padding: 1rem;
    }
}

/* Animaciones para barras de habilidades */
.skills-animate .skill-bar[data-level="95"] { width: 95%; }
.skills-animate .skill-bar[data-level="90"] { width: 90%; }
.skills-animate .skill-bar[data-level="88"] { width: 88%; }
.skills-animate .skill-bar[data-level="92"] { width: 92%; }
.skills-animate .skill-bar[data-level="93"] { width: 93%; }
.skills-animate .skill-bar[data-level="98"] { width: 98%; }
.skills-animate .skill-bar[data-level="85"] { width: 85%; }
.skills-animate .skill-bar[data-level="87"] { width: 87%; }
.skills-animate .skill-bar[data-level="80"] { width: 80%; }
.skills-animate .skill-bar[data-level="75"] { width: 75%; }
.skills-animate .skill-bar[data-level="90"] { width: 90%; }

/* Utilidades */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }

/* Estados de carga */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--secondary-color);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-left: 0.5rem;
}

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