/* Base Styles */
:root {
    --background: #ffffff;
    --foreground: #0f172a;
    --card: #ffffff;
    --card-foreground: #0f172a;
    --primary: #2563eb;
    /* Azul medio */
    --primary-foreground: #f8fafc;
    --secondary: #e2e8f0;
    /* Azul muy claro grisáceo */
    --secondary-foreground: #1e293b;
    --muted: #e2e8f0;
    --muted-foreground: #64748b;
    --accent: #dc2626;
    /* Rojo intenso */
    --accent-foreground: #f8fafc;
    --destructive: #b91c1c;
    --destructive-foreground: #f8fafc;
    --border: #cbd5e1;
    --input: #cbd5e1;
    --ring: #2563eb;
    --radius: 0.5rem;

    /* Chart colors (azul + rojo) */
    --chart-1: #2563eb;
    --chart-2: #1d4ed8;
    --chart-3: #dc2626;
    --chart-4: #ef4444;
    --chart-5: #93c5fd;

    /* Transitions */
    --transition-fast: 0.2s;
    --transition-normal: 0.3s;
    --transition-slow: 0.5s;
}

.dark {
    --background: #0f172a;
    --foreground: #f8fafc;
    --card: #0f172a;
    --card-foreground: #f8fafc;
    --primary: #3b82f6;
    --primary-foreground: #f8fafc;
    --secondary: #1e293b;
    --secondary-foreground: #f8fafc;
    --muted: #1e293b;
    --muted-foreground: #94a3b8;
    --accent: #ef4444;
    --accent-foreground: #f8fafc;
    --destructive: #7f1d1d;
    --destructive-foreground: #f8fafc;
    --border: #1e293b;
    --input: #1e293b;
    --ring: #3b82f6;

    /* Chart colors (azul + rojo) */
    --chart-1: #3b82f6;
    --chart-2: #60a5fa;
    --chart-3: #f87171;
    --chart-4: #dc2626;
    --chart-5: #93c5fd;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.hidden {
    display: none !important;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.section-description {
    max-width: 36rem;
    margin: 0 auto 3rem;
    color: var(--foreground);
    opacity: 0.7;
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn svg {
    width: 1rem;
    height: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary);
    opacity: 0.9;
}

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

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

/* Navigation */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all var(--transition-normal);
}

#navbar.scrolled {
    background-color: var(--background);
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--accent), var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.desktop-nav {
    display: none;
}

.nav-link {
    margin-left: 1rem;
    opacity: 0.8;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary);
    opacity: 1;
}

.nav-controls {
    display: flex;
    align-items: center;
    margin-left: 1rem;
}

.nav-controls button {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--foreground);
    margin-left: 0.25rem;
    transition: background-color var(--transition-fast);
}

.nav-controls button:hover {
    background-color: var(--muted);
}

#mobile-menu-toggle {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--foreground);
}

#mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--background);
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    padding: 1rem;
    border-top: 1px solid var(--border);
    z-index: 999;
}

.mobile-nav-link {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    opacity: 0.8;
    transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
    color: var(--primary);
    opacity: 1;
}

.mobile-nav-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.mobile-nav-controls button {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background-color: var(--muted);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    color: var(--foreground);
    transition: background-color var(--transition-fast);
}

.mobile-nav-controls button:hover {
    background-color: var(--accent);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 1.5rem;
    max-width: 48rem;
    animation: fadeIn 0.8s ease-out forwards;
}

.hero .subtitle {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 1rem;
}

.hero .title {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(to right, var(--accent), var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1.2;
}

.hero .role {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--foreground);
    opacity: 0.8;
}

.hero .description {
    font-size: 1rem;
    max-width: 36rem;
    margin: 0 auto 2rem;
    color: var(--foreground);
    opacity: 0.6;
    padding: 0 1rem;
}

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

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-link {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    color: var(--foreground);
    opacity: 0.7;
}

.social-link:hover {
    background-color: var(--muted);
    color: var(--primary);
    opacity: 1;
}

.scroll-down {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    color: var(--foreground);
    opacity: 0.7;
    animation: bounce 2s infinite;
}

.scroll-down:hover {
    background-color: var(--muted);
    color: var(--primary);
    opacity: 1;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0) translateX(-50%);
    }

    50% {
        transform: translateY(-10px) translateX(-50%);
    }
}

/* About Section */
.about {
    padding: 2rem 0;
    background-color: var(--muted);
    background-opacity: 0.3;
    overflow: hidden;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 0 1rem;
}

.about-image {
    position: relative;
    margin: auto;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -0.5rem;
    left: -0.5rem;
    width: 4rem;
    height: 4rem;
    background-color: var(--primary);
    opacity: 0.1;
    border-radius: 9999px;
    filter: blur(0.75rem);
    z-index: -1;
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    right: -0.5rem;
    width: 5rem;
    height: 5rem;
    background-color: #9333ea;
    opacity: 0.1;
    border-radius: 9999px;
    filter: blur(0.75rem);
    z-index: -1;
}

.about-image img {
    border-radius: 1rem;
    border: 1px solid var(--border);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    width: 100%;
    height: auto;
    object-fit: cover;
    max-height: 400px;
}

.about-content {
    padding: 1rem 0;
}

.about-content p {
    margin-bottom: 1.25rem;
    color: var(--foreground);
    opacity: 0.7;
    font-size: 0.95rem;
    line-height: 1.7;
}

.about-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.info-item h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.info-item p {
    color: var(--foreground);
    opacity: 0.7;
    margin-bottom: 0;
}

/* Projects Section */
.projects {
    padding: 3rem 0;
    text-align: center;
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 1px solid var(--border);
    background-color: transparent;
    color: var(--foreground);
    opacity: 0.7;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary);
    color: var(--primary-foreground);
    border-color: var(--primary);
    opacity: 1;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.project-card {
    border-radius: var(--radius);
    overflow: hidden;
    background-color: var(--card);
    border: 1px solid var(--border);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 12rem;
}

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

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

.project-links {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.project-link {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    transition: all var(--transition-fast);
}

.project-link:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.project-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.project-category {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    background-color: var(--primary);
    color: var(--primary-foreground);
}

.project-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.project-description {
    color: var(--foreground);
    opacity: 0.7;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    flex-grow: 1;
}

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

.tech-tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    background-color: var(--muted);
    color: var(--foreground);
    opacity: 0.7;
}

/* Data Analysis Section */
.data-analysis {
    padding: 3rem 0;
    background-color: var(--muted);
    background-opacity: 0.3;
    text-align: center;
}

.tabs {
    margin-top: 2rem;
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-btn {
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 1px solid var(--border);
    background-color: transparent;
    color: var(--foreground);
    opacity: 0.7;
}

.tab-btn:hover,
.tab-btn.active {
    background-color: var(--primary);
    color: var(--primary-foreground);
    border-color: var(--primary);
    opacity: 1;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease-out forwards;
}

.charts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.chart-card {
    background-color: var(--card);
    border-radius: var(--radius);
    padding: 1.5rem;
    border: 1px solid var(--border);
}

.chart-title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.chart-container {
    height: 300px;
    position: relative;
}

.case-studies-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.case-study-card {
    background-color: var(--card);
    border-radius: var(--radius);
    padding: 1.5rem;
    border: 1px solid var(--border);
    text-align: left;
}

.case-study-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.case-study-description {
    color: var(--foreground);
    opacity: 0.7;
    margin-bottom: 1rem;
}

.case-study-list {
    list-style-position: inside;
    color: var(--foreground);
    opacity: 0.7;
}

.case-study-list li {
    margin-bottom: 0.5rem;
}

/* Skills Section */
.skills {
    padding: 3rem 0;
    text-align: center;
    background-color: var(--muted);
}

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

.skill-card {
    background-color: var(--card);
    border-radius: var(--radius);
    padding: 1.5rem;
    border: 1px solid var(--border);
    height: 100%;
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.skill-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.skill-category {
    font-size: 1.25rem;
    font-weight: 600;
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.25rem;
}

.skill-name {
    font-size: 0.875rem;
    font-weight: 500;
}

.skill-level {
    font-size: 0.875rem;
    color: var(--foreground);
    opacity: 0.7;
}

.skill-bar {
    width: 100%;
    height: 0.625rem;
    background-color: var(--muted);
    border-radius: 9999px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background-color: var(--primary);
    border-radius: 9999px;
}

/* Contact Section */
.contact {
    padding: 3rem 0;
    background-opacity: 0.3;
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 3rem;
}

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

.contact-card {
    background-color: var(--card);
    border-radius: var(--radius);
    padding: 1.5rem;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary);
    background-opacity: 0.1;
    color: var(--primary);
    border-radius: 9999px;
}

.contact-details h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
    text-align: left;
}

.contact-details p {
    color: var(--foreground);
    opacity: 0.7;
    font-size: 0.775rem;
}

.contact-form-container {
    background-color: var(--card);
    border-radius: var(--radius);
    padding: 1.5rem;
    border: 1px solid var(--border);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: left;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background-color: var(--background);
    color: var(--foreground);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--background), 0 0 0 4px var(--ring);
}

/* Footer */
.footer {
    padding: 3rem 0;
    background-color: var(--muted);
}

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

.footer-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--foreground);
    opacity: 0.7;
    margin-bottom: 1.5rem;
}

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

.footer-social-link {
    color: var(--foreground);
    opacity: 0.7;
    transition: color var(--transition-fast);
}

.footer-social-link:hover {
    color: var(--primary);
    opacity: 1;
}

.footer-subtitle {
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.footer-menu {
    list-style: none;
}

.footer-menu li {
    margin-bottom: 0.5rem;
}

.footer-link {
    color: var(--foreground);
    opacity: 0.7;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--primary);
    opacity: 1;
}

.footer-address {
    font-style: normal;
    color: var(--foreground);
    opacity: 0.7;
}

.footer-address p {
    margin-bottom: 0.5rem;
}

.footer-bottom {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--foreground);
    opacity: 0.6;
}

.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--primary);
    color: var(--foreground);
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 1000;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-icon {
    font-size: 1.2rem;
}

.toast-message {
    font-weight: 500;
}

/* Media Queries */
@media (min-width: 640px) {
    .section-title {
        font-size: 2rem;
    }

    .hero .title {
        font-size: 2.75rem;
    }

    .hero .description {
        font-size: 1.125rem;
        padding: 0;
    }

   

    .projects-grid,
    .charts-grid,
    .case-studies-grid,
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 768px) {
    .desktop-nav {
        display: flex;
        align-items: center;
    }

    #mobile-menu-toggle {
        display: none;
    }

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

    .contact-grid {
        grid-template-columns: 1fr 2fr;
        gap: 2rem;
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
        gap: 2rem;
    }

    .hero .title {
        font-size: 3rem;
    }

    .section-title {
        font-size: 2.25rem;
    }
}

@media (min-width: 1024px) {
    .projects-grid,
    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }

    .hero .title {
        font-size: 3.5rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .container {
        padding: 0 2rem;
    }
}