/* Fuentes */
 @import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;700&family=Open+Sans:wght@300;400;600&display=swap');

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

body {
  background-color: #f8fcff;
}

.header-content {
    background-color: var(--primary-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px var(--shadow);
      display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    background-color:  rgb(48, 107, 156);
  }
  

  .logo img {
    height: 50px;
    filter: brightness(0) invert(1);
    transition: var(--transition);
    margin-left: 50px;
  }
  
  .logo:hover img {
    transform: scale(1.05);
  }
  
  .menu-toggle {
  display: none;
}

.menu-icon {
  display: none;
  font-size: 28px;
  color: white;
  cursor: pointer;
  padding: 10px;
  z-index: 1001;
}
  .nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    margin-top: 20px;
  }
  
  .nav-links a {
    color: var(--white);
    font-size: 16px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: 5px 0;
  }
  
.nav-links li {
  list-style: none;
}


  .nav-links a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--white);
    transition: var(--transition);
  }

  nav li a {
    background-color: rgb(48, 107, 156);
    color: rgb(149, 196, 186);
    text-decoration: none;
    padding: 10px 15px ;
    display: block;
    margin-right: 50px;
  }

  nav > li {
    float: left;
  }
  
 .navi {
    
    color: aliceblue;
    font-family: monospace;

 }

 h1 {
  color: rgb(20, 86, 145);
  padding: 1rem;
 }
  
  nav li a:hover {
    transform: perspective(display);
  }

  nav li ul {
    display: none;
    position: absolute;
    min-width: 140px;
  }

  nav li:hover > ul {
    display: block;
  } 

 .nav-links nav-links a:hover::after,
  .nav-links a.active::after {
    width: 100%;
  }

 /* Variables de colores */
 :root {
     --celeste-principal: #7ec8e3;
     --celeste-claro: #c5e7f5;
     --celeste-oscuro: #1b5bbb;
     --texto: #000000;
     --fondo: #f8fcff;
     --blanco: #ffffff;
 }
 
.mainbody {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--texto);
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
    background-color: var(--fondo);
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

header {
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
}


.profile-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 1rem;
}

.profile-image {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--celeste-principal);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.section {
    background-color: var(--blanco);
    padding: 1.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
    margin-bottom: 20px;
}

.section:hover {
    transform: scale(1.01);
}

h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--celeste-oscuro);
    border-left: 5px solid var(--celeste-principal);
    padding-left: 12px;
}

.bio {
    text-align: center;
    font-size: 1.15rem;
    max-width: 700px;
    margin: 0 auto;
}

.materias-container {
    display: grid;
    gap: 1.5rem;
    margin-top: 1rem;
}

.level {
    background-color: var(--celeste-claro);
    color: var(--celeste-oscuro);
    font-weight: bold;
    padding: 8px 12px;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    display: inline-block;
}

ul {
    list-style: none;
    padding-left: 0;
}

li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.sub::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--celeste-principal);
    font-size: 1.2rem;
    line-height: 1;
}

.uxcan {
    display: grid;
    gap: 1rem;
    justify-content: center;
}

.uxi {
    width: 100%;
    max-width: 700px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Footer */
footer {
    margin-top: 3rem;
    font-size: 0.9rem;
    color: #666;
    text-align: center;
    padding: 1rem;
    border-top: 1px solid var(--celeste-claro);
}


/* Responsive */
@media (max-width: 768px) {
   .menu-icon {
    display: block;
    position: absolute;
    top: 20px;
    right: 20px;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    gap: 15px;
    background-color: rgb(48, 107, 156);
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    padding: 20px 0;
    margin: 0;
    z-index: 1000;
  }

  .menu-toggle:checked + .menu-icon + nav .nav-links {
    display: flex;
  }

  .nav-links li {
    margin: 0;
    padding: 10px 0;
    text-align: center;
  }

  .header-content {
    position: relative;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding-right: 60px; 
  }

  nav {
    width: 100%;
  }
}