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

:root {
    --primary-color: #FFD166;
    --primary-dark: #F7C648;
    --text-color: #1a1a1a;
    --text-light: #666666;
    --bg-color: #FAFAFA;
    --card-bg: #FFFFFF;
    --border-color: #E0E0E0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    background-image: radial-gradient(circle, #d0d0d0 1px, transparent 1px);
    background-size: 20px 20px;
    min-height: 100vh;
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--card-bg);
    border: 2px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-color);
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

/* Container Principal */
.portfolio-container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Header con foto y nombre */
.portfolio-header {
    text-align: center;
    margin-bottom: 40px;
}

.profile-photo {
    width: 180px;
    height: 180px;
    margin: 0 auto 30px;
    position: relative;
}

.profile-photo img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--card-bg);
    box-shadow: var(--shadow-md);
}

.main-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 10px;
}

.name-highlight {
    color: var(--text-color);
}

.main-subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 30px;
    font-weight: 400;
}

/* Redes sociales horizontales */
.social-links-horizontal {
    display: inline-flex;
    gap: 8px;
    padding: 12px 20px;
    background-color: var(--card-bg);
    border-radius: 50px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 40px;
}

.social-links-horizontal a {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    font-size: 1.2rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links-horizontal a:hover {
    background-color: var(--bg-color);
    transform: translateY(-2px);
}

/* Tabs de navegación */
.tabs {
    display: flex;
    background-color: var(--card-bg);
    border-radius: 50px;
    padding: 8px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.tab {
    flex: 1;
    padding: 12px 24px;
    background-color: transparent;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
    display: block;
}

.tab:hover {
    background-color: rgba(255, 209, 102, 0.2);
}

.tab.active {
    background-color: var(--primary-color);
    color: var(--text-color);
}
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab:hover {
    background-color: rgba(255, 209, 102, 0.2);
}

.tab.active {
    background-color: var(--primary-color);
    color: var(--text-color);
}

/* Contenido de secciones */
.content {
    min-height: 500px;
}

.section {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-content {
    background-color: var(--card-bg);
    border-radius: 24px;
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.section-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-color);
}

.section-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.section-content p {
    color: var(--text-light);
    margin-bottom: 15px;
    font-size: 1.05rem;
    line-height: 1.7;
}

.section-content p a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.section-content p a:hover {
    color: var(--primary-dark);
    border-bottom-color: var(--primary-color);
}

.section-intro {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

/* Tecnologías */
.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 20px 0;
}

.tech-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background-color: var(--bg-color);
    border-radius: 25px;
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.95rem;
}

.tech-item i {
    font-size: 1.1rem;
}

/* Proyectos Grid */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 30px;
}

.project-card-new {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 25px;
    background-color: var(--bg-color);
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.project-card-new:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.project-icon {
    flex-shrink: 0;
    width: 100%;
    height: 200px;
    background: var(--card-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card-new:hover .project-icon img {
    transform: scale(1.05);
}

.project-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-color);
    margin-top: 0;
}

.project-info p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tech span {
    padding: 5px 12px;
    background-color: var(--card-bg);
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-color);
}

/* Blog */
.blog-list {
    margin-top: 30px;
}

.blog-item {
    padding: 25px;
    background-color: var(--bg-color);
    border-radius: 16px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.blog-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.blog-date {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 10px;
}

.blog-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
    margin-top: 0;
}

.blog-item p {
    color: var(--text-light);
    margin-bottom: 12px;
}

.read-more-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: gap 0.3s ease;
}

.read-more-link:hover {
    gap: 10px;
}

/* Página de proyecto individual */
.back-nav {
    margin-bottom: 30px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: var(--card-bg);
    border-radius: 25px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.back-link:hover {
    transform: translateX(-5px);
    box-shadow: var(--shadow-md);
}

.project-detail {
    background-color: var(--card-bg);
    border-radius: 24px;
    padding: 50px;
    box-shadow: var(--shadow-md);
}

.project-detail-header {
    text-align: center;
    margin-bottom: 40px;
}

.project-detail-icon {
    width: 100%;
    max-width: 800px;
    height: 400px;
    background: var(--card-bg);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    overflow: hidden;
}

.project-detail-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-detail h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-color);
}

.project-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-badge {
    padding: 8px 16px;
    background-color: var(--bg-color);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
}

.project-detail-content {
    max-width: 700px;
    margin: 0 auto;
}

.project-detail-content h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-top: 35px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.project-detail-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-top: 30px;
    margin-bottom: 12px;
    color: var(--text-color);
}

.project-detail-content p {
    color: var(--text-light);
    margin-bottom: 15px;
    font-size: 1.05rem;
    line-height: 1.7;
}

.project-detail-content ul {
    margin-left: 25px;
    margin-bottom: 20px;
}

.project-detail-content li {
    color: var(--text-light);
    margin-bottom: 8px;
    font-size: 1.05rem;
}

.project-links {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 40px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-github {
    background-color: var(--text-color);
    color: white;
}

.btn-github:hover {
    background-color: #333;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-demo {
    background-color: var(--primary-color);
    color: var(--text-color);
}

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

/* Responsive */
@media (max-width: 768px) {
    .portfolio-container {
        margin: 20px auto;
    }

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

    .main-subtitle {
        font-size: 1.1rem;
    }

    .profile-photo {
        width: 140px;
        height: 140px;
    }

    .tabs {
        padding: 6px;
    }

    .tab {
        padding: 10px 16px;
        font-size: 0.9rem;
    }

    .section-content {
        padding: 25px;
        border-radius: 20px;
    }

    .project-card-new {
        padding: 20px;
    }

    .projects-grid {
        gap: 25px;
    }

    .project-detail {
        padding: 30px 20px;
    }

    .project-detail-icon {
        height: 250px;
    }

    .project-detail h1 {
        font-size: 1.8rem;
    }

    .project-links {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Dark Theme */
body.dark-theme {
    --text-color: #FFFFFF;
    --text-light: #B0B0B0;
    --bg-color: #1a1a1a;
    --card-bg: #2a2a2a;
    --border-color: #404040;
    background-image: radial-gradient(circle, #404040 1px, transparent 1px);
}


.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navegación */
.navbar {
    background-color: var(--bg-color);
    box-shadow: var(--shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.highlight {
    color: #fbbf24;
}

.subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.description {
    max-width: 600px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
    opacity: 0.95;
}

/* Redes Sociales */
.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin: 2rem 0;
}

.social-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

/* Botones */
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    padding: 0.75rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

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

.btn-small {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    background-color: var(--primary-color);
    color: white;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-small:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 4rem 0;
}

.page-header h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Proyectos */
.projects {
    padding: 4rem 0;
    background-color: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    display: block;
    text-decoration: none;
    color: inherit;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.project-image {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.project-content p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

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

/* Blog */
.blog {
    padding: 4rem 0;
    background-color: var(--bg-secondary);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card {
    background-color: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.blog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.blog-date {
    color: var(--text-light);
    font-size: 0.9rem;
}

.blog-category {
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.blog-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.blog-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s ease;
}

.read-more:hover {
    gap: 0.75rem;
}

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

/* Responsive */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

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