/* Variables para los colores */
:root {
  --bg-light: #f9f9f9;          
  --bg-dark: #1e1e1e;
  --text-light: #111;           
  --text-dark: #fff;
  --primary-light: #4f8bff;
  --primary-dark: #4f8bff;
  --secondary-dark: #2b2b2b;
  --footer-bg-dark: #1e1e1e;
  --footer-bg-light: #eaeaea;    
  }

  /* Estilo base */
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
  }
  
  .main{
    min-height: 100vh;
  }

  /* Cuerpo */
  body {
    background-color: var(--bg-dark); 
    color: var(--text-dark); 
    line-height: 1.6;
    padding: 1rem;
    transition: background-color 0.3s, color 0.3s;
  }
  
  body.light-theme {
    background-color: var(--bg-light); 
    color: var(--text-light); 
  }
  
  body.dark-theme {
    background-color: var(--bg-dark); 
    color: var(--text-dark);
  }
  
  /* Contenedor */
  .container {
    max-width: 1000px;
    margin: auto;
    padding: 0 1rem;
  }
  
  /* Header */
  header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    position: relative;
  }

  /* Navegación */
  .nav-links {
    display: flex;
    gap: 1rem;
  }

  .nav-links a {
    background-color: transparent;
    border: none;
    font-size: 15px;
    cursor: pointer;
    padding: 0.5rem;
    text-decoration: none;
    color: inherit;
  }

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

  /* Botones */
  button {
    background-color: transparent;
    border: none;
    font-size: 20px;
    cursor: pointer;
  }

  #theme-icon {
    width: 30px;
    height: 30px;
    object-fit: contain;
  }

  #theme-toggle {
    padding: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
  }

  /* Menú hamburguesa */
  .hamburger {
    display: none;
    font-size: 25px;
    background-color: transparent;
    color: inherit;
    border: none;
    cursor: pointer;
    position: absolute;
    top: 30px;
    left: 5px;
  }
  
  /* Hero */
  .hero {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-around;
    text-align: left;
    padding: 4rem 1rem;
    border-radius: 1rem;
    color: var(--text-dark);  
    margin-top: 2rem;
  }
  
  body.light-theme .hero {
    color: var(--text-light); 
  }
  
  body.dark-theme .hero {
    color: var(--text-dark); 
  }
  
  .hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
  }
  
  .hero h2 {
    font-size: 2rem;
    font-weight: 300;
  }
  
  .hero .btn {
    margin-top: 1.5rem;
    background-color: var(--bg-light);
    color: var(--primary-light);
    font-weight: bold;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 999px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  }
  
  .hero img {
    width: 400px;
    height: auto;
    margin-top: 2rem;
    border-radius: 50%;
    object-fit: cover;
  }
  
  /* Botón principal */
  .btn {
    margin-top: 1rem;
    background-color: var(--primary-light);
    padding: 0.5rem 1rem;
    color: var(--text-light);
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }

  /* Sección */
  section {
    max-width: 1000px;
    margin: 2rem auto;
  }
  section h2{
    font-size: 1.8rem;
  }
  
  /* Acerca de mi*/
  #acerca {
    margin-bottom: 2rem;
    text-align: justify;
  }
  
  #acerca h2 {
    margin-bottom: 1rem;
    color: var(--text-primary); 
  }
  
  #acerca p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0 auto;
  }

  /* Tecnologias */
  .tecnologias h2 {
    margin-bottom: 2rem;
  }
  
  .icons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
    gap: 1.5rem;
    justify-items: center;
    max-width: 1000px;
    margin: 0 auto;
    margin-bottom: 2rem;
  }
  
  .icons img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    transition: transform 0.2s ease, filter 0.2s ease;
    cursor: pointer;
  }
  
  .icons img:hover {
    transform: scale(1.1);
    filter: drop-shadow(0 0 10px rgba(79, 139, 255, 0.5));
  }
  
  /* Educacion */
  .edu-container {
    display: flex;
    flex-direction: row;
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
    flex-wrap: wrap;
    margin-bottom: 9rem;
  }
  
  .edu-card {
    display: flex;
    flex-direction: row;
    align-items: center;
    background-color: var(--card-bg, #fff);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    color: var(--text-dark);
    transition: transform 0.2s;
    width: 100%;
    max-width: 450px;
    gap: 1rem;
  }
  
  .edu-icon {
    width: 125px;
    height: 125px;
    flex-shrink: 0;
    filter: var(--icon-filter);
  }
  
  .edu-content {
    display: flex;
    flex-direction: column;
  }
  
  body.light-theme .edu-card {
    background-color: var(--bg-light);
    color: var(--text-light);
  }
  
  body.dark-theme .edu-card {
    background-color: var(--bg-dark);
    color: var(--text-dark);
  }
  
  .edu-card:hover {
    transform: translateY(-5px);
  }
  
  .edu-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
  }
  
  .edu-fecha {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
  }
  
  .edu-card p {
    margin: 0;
    font-size: 1rem;
  }

  /* Proyecto */
  .proyecto {
    display: flex;
    flex-direction: column;
    background: var(--secondary-dark);
    margin: 1rem 0;
    border-radius: 8px;
    overflow: hidden;
  }
  
  .proyectos {
    max-width: 1000px;
    margin: 0 auto;
    padding-bottom: 5rem;
  }
  
  .proyectos h2 {
    margin-bottom: 1rem;
    font-size: 1.8rem;
  }
  
  .proyecto-card {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    padding: 1rem;
    border-radius: 0.8rem;
    align-items: flex-start;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  
  .proyecto-card:hover {
    transform: translateY(-5px); 
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2); 
  }
  
  .proyecto-img {
    width: 310px;
    height: auto;
    object-fit: cover;
    background: #fff;
    border-radius: 0.5rem;
    flex-shrink: 0;
  }
  
  .proyecto-info {
    flex: 1;
  }
  
  .proyecto-info h3 {
    font-size: 1.1rem;
    font-weight: bold;
    margin: 0;
  }
  
  .proyecto-fecha {
    display: block;
    font-size: 0.9rem;
    margin: 0.2rem 0 0.8rem;
    color: var(--text-secondary);
  }
  
  .proyecto-info p {
    font-size: 0.95rem;
    line-height: 1.4;
    margin-bottom: 0.8rem;
    text-align: justify;
  }
  
  .proyecto-icons img {
    width: auto;
    height: 24px;
    margin-right: 0.5rem;
    vertical-align: middle;
  }
  
  .btn-vermas {
    display: inline-block;
    margin-top: 0.8rem;
    padding: 0.2rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 500;
    text-decoration: none;
    border: 1px solid var(--text-dark);
    color: var(--text-dark);
    border-radius: 5px;
    background: transparent;
    transition: all 0.3s ease;
  }
  
  body.light-theme .btn-vermas {
    border-color: var(--text-light);
    color: var(--text-light);
  }
  
  .btn-vermas:hover {
    background-color: rgba(0, 0, 0, 0.05);
  }
  
  body.light-theme .btn-vermas:hover {
    background-color: rgba(0, 0, 0, 0.05);
  }
  
  body.dark-theme .btn-vermas:hover {
    background-color: rgba(255, 255, 255, 0.1);
  }
  
  .proyectos-footer {
    text-align: center;
    margin-top: 0.5rem;
  }
  
  .btn-ver-todos {
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
  }
  
  /* Formulario */
  .contacto {
    padding: 1rem;
    border-radius: 8px;
    margin: 2rem auto;
    background-color: var(--bg-light);
    color: var(--text-light);
    transition: background-color 0.3s ease, color 0.3s ease;
  }
  
  body.dark-theme .contacto {
    background-color: var(--bg-dark);
    color: var(--text-dark);
  }
  
  .contacto h2 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: inherit;
  }
  
  .formulario {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  
  .formulario input,
  .formulario textarea {
    background-color: var(--footer-bg-light);
    border: 1px solid #ccc;
    border-radius: 6px;
    padding: 0.8rem;
    color: var(--text-light);
    font-size: 1rem;
    outline: none;
    transition: background-color 0.3s ease, color 0.3s ease, border 0.3s ease;
  }
  
  body.dark-theme .formulario input,
  body.dark-theme .formulario textarea {
    background-color: var(--secondary-dark);
    border-color: #666;
    color: var(--text-dark);
  }
  
  .formulario input::placeholder,
  .formulario textarea::placeholder {
    color: #666;
  }
  
  body.dark-theme .formulario input::placeholder,
  body.dark-theme .formulario textarea::placeholder {
    color: #aaa;
  }
  
  .formulario button {
    background-color: var(--primary-light);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 0.8rem;
    margin-bottom: 1.2rem;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
  }
  
  .formulario button:hover {
    transform: scale(1.03);
  }
  
  .redes {
    display: flex;
    flex-wrap: wrap; 
    justify-content: space-between;
    gap: 1rem;
  }
  
  .redes a {
    flex: 1 1 30%; 
    min-width: 100px;
    text-align: center;
    padding: 0.5rem;
    border-radius: 6px;
    font-weight: bold;
    text-decoration: none;
    color: #fff;
    box-sizing: border-box;
  }
  
  .redes a.linkedin {
    background-color: #0077b5;
  }
  
  .redes a.github {
    background-color: #5865f2;
  }
  
  .redes a.youtube {
    background-color: #c41f1f;
  }
  
  
  
  /* Footer */
  footer {
    text-align: center;
    padding: 1rem 1rem;
    background-color: var(--footer-bg-light);
    color: var(--text-light);
    margin-top: 2rem;
    font-size: 0.95rem;
    transition: background-color 0.3s ease, color 0.3s ease;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
  }
  
  body.dark-theme footer {
    background-color: var(--footer-bg-dark);
    color: var(--text-dark);
    border-top: 1px solid #333;
  }
  
  footer a {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease, text-decoration 0.3s ease;
  }
  
  footer a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
  }
  
  footer p {
    margin: 0.5rem 0;
  }
  
  
/* Media Queries - Mobile first (máx. 768px) */
@media (max-width: 768px) {
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html, body {
    width: 100%;
    overflow-x: hidden;
  }
  
  body {
    font-size: 14px;
    padding: 0 1rem;
    overflow-x: hidden;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    gap: 1.5rem;
    position: absolute;
    top: 60px;
    right: 0;
    background-color: var(--bg-dark); 
    width: 100%;
    height: calc(100vh - 60px);
    align-items: center;
    justify-content: center;
    padding: 2rem;
    transition: all 0.3s ease-in-out;
    z-index: 999;
    
  }

  body.light-theme .nav-links {
    background-color: var(--bg-light);
  }

  .nav-links.active {
    display: flex;
  }

  .hamburger {
    display: block;
  }

  .container {
    max-width: auto;
  }

  header {
    flex-direction: column;
    align-items: center;
    padding: 1rem 0;
  }

  .hero {
    flex-direction: column;
    text-align: center;
    justify-content: center;
    align-items: center;
    padding: 1rem 1rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero h2 {
    font-size: 1.3rem;
  }

  .hero-text {
    padding: 0;
    width: 100%;
  }

  .hero img {
    margin: 1.5rem auto 0;
    max-width: 100%;
    height: auto;
    display: block;
  }

  section {
    max-width: auto;
  }

  #acerca h2,
  .proyectos h2, 
  .tecnologias h2,
  .educacion h2  {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    
    margin-top: 3rem;
  }

  .edu-container {
    margin-bottom: 5rem;
  }

  .edu-icon {
    width: 90px;
    height: 90px;
  }

  .educacion h3{
   font-size: 15px;
  }

  .proyectos {
    padding-bottom: 1rem;
  }

  .proyecto-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem;
    gap: 1rem;
  }

  .proyecto-img {
    width: 100%;
  }

  .proyecto-info {
    width: 100%;
  }

  .proyecto-icons {
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .proyecto-icons img {
    height: 24px;
  }
  
  .contacto {
    max-width: auto;
  }

  .redes a {
    flex: 1 1 100%; 
  }

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