.encabezado {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0rem;

}
:root {
  --gris: #757575;
  --blanco: #ffffff;
  --primario: #4CAF50;
}
*{
	padding: 0;
	margin: 0;
	box-sizing: border-box;
}

.contenedor-h4 {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

h4 {
  color: #00ffee;
  border-bottom: 0.2vw solid #00ffee;
  font-size: 3vw;
  margin-top: 2rem;
  overflow: hidden;
  animation: anim 4s linear forwards;
  text-align: center;
  width: 20vw;   /* mismo valor que el final de la animación */
  height: 8vw;   /* mismo valor que el final de la animación */
}
h5 {
  display: inline-block;
  overflow: hidden;
  margin-top: 1.5rem;
  color: white;
  text-align: center;
  font-size: 2rem;
  margin-bottom: 1.5rem;

}


@keyframes anim{
  0%   { width: 0; height: 0; }
  30%  { width: 50%; height: 0; } 
  60%  { width: 20vw; height: 10vw; }
  80%  { width: 20vw; height: 10vw; }
  100% { width: 20vw; height: 10vw; }
}


/* Adaptado a celulares */
@media (max-width: 768px) {
  h4 {
    font-size: 5vw;
    width: 80vw;
    border-bottom: 2px solid #00ffee;
    animation: none; 
  }
  h5{
    font-size: 3vw;
    width: 50vw;
    animation: none; 
  }
}


/* SECCION SEPARADOR */

.separador {
  border: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, #fff, transparent);
  margin: 40px 0;
}


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

/* SECCION VIDEO DE FONDO */


#video-fondo {
  position: fixed;
  top: 0;
  left: 0;
  min-width: 100%;
  min-height: 100%;
  object-fit: cover;
  z-index: -1;
  opacity: 1;
}

.video-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6); /* filtro oscuro */
  z-index: -1;
}

@media (max-width: 768px) {
  .video-fondo {
    display: none;
  }
  .video-overlay {
    background: #000; /* fondo negro simple */
  }
}

/* SECCION SPAN */

h3 {
	font-size: 1.6rem;
  font-weight: 500;
 text-align: center;
 color: white;
 margin-bottom: 0.6rem;
 padding: 0.8rem;
}


span{
  display: block;
  white-space: nowrap;
  border-right: 4px solid;
  width: 24ch;
  font-size: 2rem;
  color: white;
  padding: 2rem;
  animation: typing 4s steps(24), blink 0.5s infinite step-end alternate;
  overflow: hidden;
  margin: 0 auto; /* ✅ centra horizontalmente */
  text-align: center;
}

.span-3 {
  display: block;
  white-space: nowrap;
  border-right: 4px solid;
  width: 17ch;
  font-size: 2rem;
  color: white;
  padding: 2rem;
  animation: typing 4s steps(17), blink 0.5s infinite step-end alternate;
  overflow: hidden;
  margin: 0 auto; /* ✅ centra horizontalmente */
  text-align: center;
}
.span-4 {
  display: block;
  white-space: nowrap;
  border-right: 4px solid;
  width: 12ch;
  font-size: 2rem;
  color: white;
  padding: 2rem;
  animation: typing 4s steps(12), blink 0.5s infinite step-end alternate;
  overflow: hidden;
  margin: 0 auto; /* ✅ centra horizontalmente */
  text-align: center;
}


@keyframes typing{
	from {width: 0;}
}
@keyframes blink {
	50% { border-color: transparent; }
}
@media (max-width: 768px) {
	span{
    font-size: 1.4rem;
    padding: 1.5rem 1rem;
	}
  .span-3 {
    font-size: 1.4rem;
    padding: 1.5rem 1rem;
  }
  .span-4 {
    font-size: 1.4rem;
  }
}



/* SECCION IDIOMA */


#idioma-btn {
  position: fixed;
  top: 4rem;
  right: 0.8rem;
  padding: 0.2rem 0.5rem;
  background-color: #333;
  color: white;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  z-index: 1000;
}


#idioma-btn:hover {
	transform: scale(1.05);
	transition: background-color 0.5s ease, transform 0.5s ease;

}

/* SECCION MENU TOGGLE Y NAV */

.menu-toggle {
  display: none;
  background-color: transparent;
  border: none;
  font-size: 2rem;
  color: rgb(255, 255, 255);
  cursor: pointer;
}

.menu {
  list-style: none;
  display: flex;
  justify-content:right;
  text-align: center;
  
}

.menu li a {
  color: black;
  text-decoration: none;
  padding: 0.5rem 0.5rem;
}

@media (max-width: 768px) {
  .menu {
    display: none;
    flex-direction: column;
    background-color: transparent;
    margin-top: 0.3rem;
  }

  .menu.show {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }
}


nav ul {

    background-color: rgba(255, 255, 255, 0.2); /* transparente */
    backdrop-filter: blur(5px);               /* borroso */
   -webkit-backdrop-filter: blur(10px);       /* compatibilidad con Safari */
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0.1rem 4rem;
    margin: 0;
	background-color: transparent;
	width: 100%;
	list-style-type: none;
	text-align: left; 

}
nav li {
	display: inline-flex;
}
nav a {
  transition: color 0.3s, border-bottom 0.3s;
	text-decoration: none;
	color: white;
	padding: 10px;
	width: 95px;
}
nav li:hover{
	background-color: transparent;
}

.nav a:hover {
  color: #00ffee;
  border-bottom: 2px solid #00ffee;
}

/* SECCION IMAGEN IAN */

.imagen2 {
	background-image: url("imagenes/imagen_principal.webp");
	width: 200px;
  height: 300px;
	border-radius: 15px;
	background-size: cover;
	display: block;
	margin-left: auto;
	margin-right: auto;


  box-shadow: 0 0 12px #00ffee, 0 0 30px #00ffee80;

}
@media (max-width: 400px) {
  .imagen2 {
    width: 70%;
    margin-top: 1rem;
  }
}



.centrado {
  justify-content: center; /* centra en flex */
  text-align: center;      /* centra el texto */
  width: 240%;
}

.contenido-bien {
  max-width: 700px;
  animation: aparecer 2.5s ease-out forwards;
  padding: 1rem;
}

@media (max-width: 768px) {
  .Contenido {
    flex-direction: column;

  }
  .Articulos {
    width: 40%;
    border-right: none;
  }
}


.Contenido {
	display: flex;
	margin: 65px;
}

.Secciones {
	display: flex;
	align-items: center;
	padding: 40px;
	
}


.boton{
      color: #1e3c72;
      padding: 0.4rem 0.8rem;
      text-decoration: none;
      border-radius: 8px;
      display: inline-block;
      margin-top: 1rem;
      margin-left: 0.5rem;
      font-weight: bold;
      background-color: rgba(255, 255, 255, 0.4); /* transparente */
    backdrop-filter: blur(5px);               /* borroso */
   -webkit-backdrop-filter: blur(10px);    
}
@media (max-width: 400px) {
  .boton {
    width: 70%;
    margin-top: 1rem;
  }
}


/* Botones individuales */

.selector-habilidades {
  display: flex;
  flex-wrap: wrap;
  justify-content: center; /* ✅ CENTRA horizontalmente */
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto; /* ✅ centra el contenedor */
  padding: 2rem;
}

.flip-card {
  background-color: transparent;
  width: 180px;
  height: 220px;
  perspective: 1000px; /* da la sensación de profundidad */
  cursor: pointer;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 1s;
  transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,255,238,0.2);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding:1rem;
  color: white;
}

.flip-card-front {
  background-color: rgba(27, 28, 28, 0.9);
}

.flip-card-front i {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.flip-card-back {
  background-color: rgba(27, 28, 28, 0.5);
  transform: rotateY(180deg);
  font-size: 0.9rem;
  text-align: center;
}
@media (max-width: 768px) {
  .selector-habilidades {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }

  .flip-card {
    width: 100px;
    height: 140px;
  }

  .flip-card-front i {
    font-size: 2rem;
  }

  .flip-card-back {
    font-size: 0.8rem;
  }
}
/* Seeccion objetivos */
#Objetivos {
  max-width: 900px;
  margin: 2rem auto;
  padding: 2rem 1rem;
  color: white;
  text-align: center;
}

.objetivo-texto {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-top: 1rem;
}

/* Seeccion sobre mi */

.timeline {
  border-left: 4px solid #00ffee;
  padding-left: 20px;
  margin: 2rem auto;
  max-width: 600px;
  position: relative;
  color: white;
  transition: min-height 0.3s ease, opacity 0.4s ease;
}

.animar {
  opacity: 0;
  transform: scaleY(0);
  transform-origin: center;
  animation: expandir 2s ease-out forwards;
}

@keyframes expandir {
  to {
    opacity: 1;
    transform: scaleY(1);
  }
}

.evento {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 255, 238, 0.2);
  position: relative;
  color: white;
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.evento:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 24px rgba(0, 255, 238, 0.4);
}



@keyframes fondo-mov {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}


@keyframes linea-brillo {
  0% { opacity: 0.4; }
  50% { opacity: 1; }
  100% { opacity: 0.4; }
}


.año {
  font-weight: bold;
  font-size: 1.2rem;
  color: #00ffee;
  margin-bottom: 0.3rem;
  display: inline-block;
}
.año i {
  color: #00ffee;
  margin-right: 0.5rem;
  font-size: 1.2rem;
  display: inline-block;
}


@media (max-width: 768px) {
  .timeline {
    border-left: 2px solid #00ffee;
    padding-left: 15px;
  }

  .evento {
    padding: 1rem;
    font-size: 0.95rem;
    
  }
  .evento:hover {
    transform: scale(1.00);
    box-shadow: 0 8px 24px rgba(0, 255, 238, 0.4);
  }

  .evento::before {
    left: -22px;
    width: 12px;
    height: 12px;
  }
  
}
/* SECCION Contador de proyectos*/
.contadores {
  display: flex;
  justify-content: center;
  gap: 3rem;
  padding: 2rem 1rem;
  text-align: center;
  color: white;
  flex-wrap: wrap;
}

.contador {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contador .icono {
  font-size: 2.5rem;
}

.contador .numero {
  font-size: 2.8rem;
  font-weight: bold;
  margin: 0.3rem 0;
  color: #00ffee;
}



/* SECCION PROYECTOS*/

.titulo-proyectos {
  display: block;
  white-space: nowrap;
  border-right: 4px solid;
  width: 22ch;
  font-size: 2rem;
  color: white;
  padding: 2rem;
  animation: typing 4s steps(22), blink 0.5s infinite step-end alternate;
  overflow: hidden;
  margin: 0 auto; /* ✅ centra horizontalmente */
  text-align: center;
}

.contenedor-proyectos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  padding: 0 1rem;
}

.tarjeta-proyecto {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  overflow: hidden;
  width: 500px;
  backdrop-filter: blur(8px);
  box-shadow: 0 0 15px rgba(0, 255, 238, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  flex: 0 0 30%; /* desktop */
  
}

.tarjeta-proyecto:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 255, 238, 0.3);
}

.preview {
  height: 200px;
  background-size: cover;
}

.contenido-proyecto {
  padding: 1rem;
  color: white;
}

.contenido-proyecto h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.botones-proyecto {
  margin-top: 1rem;
  text-align: center;
  
}

.botones-proyecto a {
  background-color: rgba(255, 255, 255, 0.2); /* transparente */
  backdrop-filter: blur(5px);               /* borroso */
 -webkit-backdrop-filter: blur(10px);
  color:  white;
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease;
}


.botones-proyecto a:hover {
  background-color: rgba(255, 255, 255, 0.4);
}
.ver-mas {
  background-color: transparent;
  border: none;
  color: #1e3c72;
  cursor: pointer;
  margin-top: 0.5rem;
  font-weight: bold;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.ver-mas:hover {
  color: #1e3c72;
}
.carousel-container {
  position: relative;
  overflow: hidden;
  max-width: 100%;
  margin: 2rem auto;
}

.carousel {
  display: flex;
  gap: 1.5rem;
  scroll-behavior: smooth;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 1rem;
  -webkit-overflow-scrolling: touch;
}

.preview {
  height: 180px;
  background-size: cover;
  background-position: center;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  background: rgba(0,0,0,0.5);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  cursor: pointer;
  z-index: 1;
}

.carousel-btn.prev {
  left: 0;
}
.carousel-btn.next {
  right: 0;
}



/* Responsive */
@media (max-width: 768px) {
  .carousel {
    padding: 1rem 0.5rem;
    gap: 1rem;
  }

  .tarjeta-proyecto {
    flex: 0 0 85%;
    max-width: 85%;
    width: 100%;
  }

  .carousel-btn {
    font-size: 1.5rem;
    padding: 0.4rem 0.8rem;
  }

  .titulo-proyectos {
    font-size: 1.3rem;
    padding: 1rem;
    white-space: normal;
    animation: none;
    width: auto;
  }
  .video-overlay {
    background: rgba(0, 0, 0, 0.7); /* más oscuro en mobile */
  }
}
.badges-tecnologias {
  margin-top: 0.5rem;
  margin-bottom: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.badge {
  background-color: rgba(255, 255, 255, 0.5);
  color: #1e3c72;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
}
.badge:hover {
  background-color: rgba(255, 255, 255, 0.4);
}





/* seccion flecha arriba*/


.flecha-arriba {
  position: fixed;
  font-size: 1.5rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  background-color: rgba(255, 255, 255, 0.2); /* transparente */
  backdrop-filter: blur(5px);               /* borroso */
 -webkit-backdrop-filter: blur(10px);
  color: white;
  bottom: 20px;
  right: 50px;
  text-decoration: none;
  border-radius: 5rem;
  padding: 10px;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease;
  margin-right: 2rem;
}

@media (max-width: 768px) {
  .flecha-arriba {
    margin-right: 2rem;
   
  }
}

.flecha-arriba:hover {
  transform: scale(1.03);
  transition: transform 0.5s ease;
}

html {
  scroll-behavior: smooth;
}

/* Seeccion animado scroll*/
.animado {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 2s ease, transform 2s ease;
}

.animado.visible {
  opacity: 1;
  transform: translateY(0);
}




/* Seeccion FORMULARIO */

.formulario {
    background-color: #1e1e1e;
    width: min(25rem, 80%);
    margin: 0 auto;
    padding: 2rem;
    border-radius: 2rem;
    

}

.formulario fieldset {
    border: none;
    opacity: 0;
  transform: translateY(30px);
  animation: aparecer 4s forwards;
}
.formulario legend {
  opacity: 0;
  transform: translateY(30px);
  animation: aparecer 4s forwards;
    text-align: center;
    font-size: 1.8rem;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #26a69a;
    
}

@media (min-width: 768px) and (max-width: 991px) {
    .contenedor-campos {
        display: grid;
        grid-template-columns: 40% 50%;
        grid-template-rows: auto auto 20rem;
        column-gap: 1rem;
    
    }
    .campo:nth-child(3),
    .campo:nth-child(4) {
        grid-column: 1 / 3;

    }
}
.campo {
    margin-bottom: 1rem;

}
.campo label {
    color: var(--blanco);
    font-weight: bold;
    margin-bottom: .1rem;
    display: block;

}
.campo textarea{
    height: 10rem;
}
.input-text {
    width: 100%;
    border: none;
    padding: 0.5rem;
    border-radius: .5rem;
}
.boton-enviar {
  background-color: #26a69a;
  color: white;
  padding: 2px 20px; /* Más alto y más ancho */
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 15px; /* Texto más grande */
  transition: background-color 0.3s ease ;
  width: 50%;
  max-width: 300px; /* Para que no sea demasiado grande */
}



/* Esta clase alinea el botón a la derecha */
.alinear-derecha {
  display: flex;
  justify-content: flex-end;
}
.boton-cv, .boton-linkedin, .boton-enviar, .menu-toggle,
 .imagen2, .campo {
  transition: background-color 0.5s ease, transform 0.5s ease;
}

.boton-cv:hover, .boton-linkedin:hover, .boton-enviar:hover {
  background-color: rgba(255, 255, 255, 0.1); /* transparente */
    backdrop-filter: blur(5px);               /* borroso */
   -webkit-backdrop-filter: blur(10px);    
  transform: scale(1.05);
  
}
.imagen2:hover{
  transform: scale(1.05);
  box-shadow: 0 0 12px #00ffee, 0 0 30px #00ffee80;
}
 .campo:hover {
  background-color: transparent;
  transform: scale(1.05);
}
 .menu:hover {
  background-color: transparent;
  color: white;
  transform: scale(1.0);
  }

/* Estilo del botón */


.modo-boton {
  position: fixed;
  top: 2.1rem;
  right: 1rem;
  background-color: transparent;
  border: none;
  cursor: pointer;
  font-size: 2rem;
  z-index: 1000;
  color: #888888;
  transition: transform 4s ease;
}

.modo-boton:hover {
  transform: scale(1.1);
}

/* ===============================
   🎨 MODO DÍA (por defecto)
================================= */
body {
  background-color: #0a0a0a;
  color: #ffffff;
  transition: all 0.4s ease;
}


.boton-cv,
.boton-linkedin,
footer p {
  color: #1e3c72;
  transition: all 0.4s ease;
}

.menu li a{
color: white;
}
.modo-boton {
  color: #888;
  transition: all 0.4s ease;
}

.formulario {
  transition: all 0.4s ease;
}

.menu-toggle {
  color: white;
  transition: all 0.4s ease;
}


/* ===============================
   🌙 MODO NOCHE
   (cuando <body class="noche">)
================================= */
body.noche {
  background-color: #121212;
  color: white;
}

body.noche nav {
  background-color: #1a1a1a;
  color: #00ffee;
  transition: all 2s ease;
}

body.noche .menu li a,
body.noche .menu-toggle,
body.noche .modo-boton,
body.noche .boton-cv,
body.noche .boton-linkedin,
body.noche footer p {
  color: #eeeeee;
}

body.noche .formulario {
  background-color: rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Tarjetas de proyectos */
body.noche .tarjeta-proyecto {
  background-color: rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
body.noche .evento {
  background-color: rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
/* Botones del proyecto */
body.noche .botones-proyecto a {
  color: #00ffee;
}

/* Tarjetas de habilidades */
body.noche .flip-card-front {
  background-color: #222;
}

body.noche .flip-card-back {
  background-color: #444;
}

/* Enlaces hover */
.nav a {
  transition: color 0.3s, border-bottom 0.3s;
}

.nav a:hover {
  color: #00ffee;
  border-bottom: 2px solid #00ffee;
  transition: all 2s ease;
}



.botones-contacto {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  z-index: 1000;
}

.botones-contacto a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 50px;
  height: 50px;
  font-size: 24px;
  color: white;
  border-radius: 50%;
  text-decoration: none;
  transition: transform 0.2s ease, background-color 0.3s;
}

.botones-contacto .whatsapp {
  background-color: #25D366;
}

.botones-contacto .gmail-icon {
  background-color: #0072C6;
}

.botones-contacto a:hover {
  transform: scale(1.1);
}
.gmail-icon img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  transition: transform 0.2s ease;
}

.gmail-icon img:hover {
  transform: scale(1.1);
}


footer {
	width: 100%;
	height:200px;
	color: black;
	margin-top: 40px;
}
footer p {
	text-align: center;
	padding: 20px;
}