/*=============== GOOGLE FONTS ===============*/
@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@500;600&family=Poppins:wght@400;500&display=swap");

/*=============== VARIABLES CSS ===============*/
:root {
/*  --header-height: 3.5rem;*/

  /*========== Colors ==========*/
  /*Color mode HSL(hue, saturation, lightness)*/
  --title-color: hsl(0, 0%, 95%);
  --text-color: hsl(0, 0%, 70%);
  --text-color-light: hsl(0, 0%, 60%);
  --body-color: hsl(0, 0%, 0%);

/*  --black: #01000D;
  --neon-blue: #1EA4D9;
  --neon-blue2: #01000D;*/

  --container-color: hsl(0, 0%, 8%);

  /*========== Font and typography ==========*/
  /*.5rem = 8px | 1rem = 16px ...*/
  --body-font: "Poppins", sans-serif;
  --second-font: "Montserrat", sans-serif;
  --biggest-font-size: 2.75rem;
  --h1-font-size: 1.5rem;
  --h2-font-size: 1.25rem;
  --h3-font-size: 1rem;
  --normal-font-size: .938rem;
  --small-font-size: .813rem;
  --smaller-font-size: .75rem;

  /*========== Font weight ==========*/
  --font-regular: 400;
  --font-medium: 500;
  --font-semi-bold: 600;

  /*========== z index ==========*/
  --z-tooltip: 10;
  --z-fixed: 100;
}


/*========== Responsive typography ==========*/
@media screen and (min-width: 1152px) {
  :root {
    --biggest-font-size: 5.5rem;
    --h1-font-size: 2.5rem;
    --h2-font-size: 1.5rem;
    --h3-font-size: 1.25rem;
    --normal-font-size: 1rem;
    --small-font-size: .875rem;
    --smaller-font-size: .813rem;
  }
}

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

html {
  scroll-behavior: smooth;
}

body,
button,
input {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  color: var(--text-color);
}

body {
/*  background-image: linear-gradient(to right, var(--black), var(--neon-blue), var(--neon-blue2));*/
  background-color: var(--body-color);
}

button,
input {
  outline: none;
  border: none;
}

h1, h2, h3, h4 {
  color: var(--title-color);
  font-family: var(--second-font);
  font-weight: var(--font-semi-bold);
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

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

/*=============== REUSABLE CSS CLASSES ===============*/
.container {
  max-width: 1120px;
  margin-inline: 1.5rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.section {
  padding-block: 5rem 1rem;
}

.section__title {
  text-align: center;
  font-size: var(--h1-font-size);
  margin-bottom: 0.1rem;
}

.main {
  overflow: hidden; /* For animation ScrollReveal */
}
/*=============== HEADER & NAV ===============*/
.header{
  position: fixed;
  width: 100%;
  background-color: transparent;
  top: 0;
  left: 0;
  z-index: var(--z-fixed);
}
.nav{
  height: var(--header-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav__logo{
  color: var(--title-color);
  font-family: var(--second-font);
  font-weight: var(--font-semi-bold);
}
.nav__logo img{
    margin-top: 10px;
    width: 230px;
    height: 90px;
}

.nav__toggle,
.nav__close{
  display: flex;
  font-size: 1.25rem;
  color: var(--title-color);
  cursor: pointer;
}

/* Navigation for mobile devices */
@media screen and (max-width: 1023px){
  .nav__menu{
    position: fixed;
    top: -100%;
    left: 0;
    background-color: hsla(0, 0%, 0%, .3);
    width: 100%;
    padding-block: 4rem;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px); /* for safari */
    transition: top .4s;
  }
}

.nav__list{
  text-align: center;
  display: flex;
  flex-direction: column;
  row-gap: 2.5rem;
}
.nav__link{
    position: relative;
  color: var(--title-color);
  font-family: var(--second-font);
  font-weight: var(--font-medium);
}
.nav__link::after{
    content: '';
    width: 0;
    height: 2px;
    background-color: var(--title-color);
    position: absolute;
    left: 0;
    bottom: -.5rem;
    transition: width .3s;
}
.nav__link:hover::after{
    width: 70%;
}

.nav__close{
  position: absolute;
  top: 1rem;
  right: 1.5rem;
}

/* Show menu */
.show-menu{
  top: 0;
}

/* Add blur to header */
.blur-header::after{
  content: '';
  position: absolute;
  width: 1000%;
  height: 100%;
  background-color: hsla(0, 0%, 0%, .3);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px); /* for safari */
  top: 0;
  left: 0;
  z-index: -1;
}

/* Active link */
/*.active-link::after{
    width: 70%;
}*/



/*=============== BUTTON ===============*/
.button{
  background-color: hsla(0, 0%, 100%, .2);
  padding: 1.25rem 1.5rem;
  color: var(--title-color);
  display: inline-flex;
  align-items: center;
  column-gap: .5rem;
  font-family: var(--second-font);
  font-weight: var(--font-semi-bold);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px); /* for safari */
}
.button i{
  font-size: 1.25rem;
  transition: transform .4s;
  font-weight: initial;
}
.button:hover i{
  transform: translateX(.25rem);
}

/*=============== ABOUT ===============*/


/*=============== POPULAR or Courses ===============*/
.popular__container{
  padding-top: 1.5rem;
  grid-template-columns: 240px;
  justify-content: center;
  row-gap: 2.5rem;
}

.popular__card{
    border: 1px solid #1EA4D9;
    border-radius: 10px;
    box-shadow: 0 0 18px #1EA4D9;
}
.popular__categoria{
    font-size: var(--small-font-size);
    background: #25c4d8;
    color: #fff;
    padding: .1rem .4rem;
    border-radius: 4px;
    margin-left: .4rem;
}



.popular__image{
  position: relative;
  overflow: hidden;
  margin-bottom: 1rem;
  border-radius: 10px;
}
.popular__img{
  transition: transform .4s;
/*  border-radius: 10px;*/
}
.popular__shadow{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, hsla(0, 0%, 0%, 0) 50%, hsl(0, 0%, 0%) 125%);
}
.popular__title{
  font-size: var(--h3-font-size);
  margin-bottom: 3.5rem;
  margin-left: .4rem;

/*  border: solid 3px red;*/
}
.popular__location{
  display: inline-flex;
  align-items: center;
  column-gap: .25rem;
  font-size: var(--small-font-size);
  font-family: var(--second-font);
  font-weight: 500;

  border: solid 1px gray;
  border-radius: 10px;
  margin-bottom: .3rem;

  position: absolute;
  bottom: 4px;


  width: 100%;
  justify-content: center;
  cursor: pointer;
}
.popular__location:hover{
    background-color: grey;
    color: black;
}
.popular__location i,
.popular__location span,
.popular__location a{
  font-size: 1.3rem;
  color: white;
}

.popular__image:hover .popular__img{
  transform: scale(1.2);
}

/*=============== EXPLORE ===============*/
.explore__user{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    column-gap: .5rem;
    cursor: pointer;
}
.explore__perfil{
    width: 30px;
    border-radius: 50%;
    
    margin-left: 4rem;
}
.explore__name{
    font-size: var(--small-font-size);
    color: var(--title-color);
}



/*=============== Overlay ===============*/
.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.overlay-content {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    max-width: 800px;
    width: 90%;
    text-align: center;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.25);

    max-height: 85%; /* Ajusta la altura máxima para evitar que se salga del viewport */
    overflow-y: auto; /* Habilita el desplazamiento vertical si el contenido es grande */
    text-align: center;
    position: relative; /* Necesario para posicionar el botón de cierre dentro del overlay */
    
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
}

/*=============== FOOTER ===============*/
.footer{
    padding-block: 3.5rem;
    background-color: var(--container-color);
}
.footer__content{
    row-gap: 3.5rem;
}
.footer__logo{
    display: inline-block;
    color: var(--title-color);
    font-size: var(--h2-font-size);
    font-family: var(--second-font);
    font-weight: var(--font-semi-bold);
    margin-bottom: 1rem;
}
.footer__data{
    grid-template-columns: repeat(2, max-content);
    gap: 2,5rem 3.5rem;
}
.footer__title{
    font-size: var(--h3-font-size);
    margin-bottom: 1rem;
}
.footer__links{
    display: grid;
    row-gap: .75rem;
}
.footer__link{
    color: var(--text-color);
    transition: color .4s;
}
.footer__link:hover{
    color: var(--title-color);
}
.footer__group,
.footer__social{
    display: flex;
}
.footer__group{
    margin-top: 5rem;
    flex-direction: column;
    align-items: center;
    row-gap: 2rem;
}
.footer__social{
    column-gap: 1.5rem;
}
.footer__social-link{
    color: var(--text-color);
    font-size: 1.25rem;
    transition: color .4s, transform .4s;
}
.footer__social-link:hover{
    color: var(--text-color);
    transform: translateY(-.25rem);
}
.footer__copy{
    font-size: var(--smaller-font-size);
    color: var(--text-color-light);
    text-align: center;
}


/*=============== SCROLL BAR ===============*/
::-webkit-scrollbar{
    width: .6rem;
    border-radius: .5rem;
    background-color: hsla(0, 0%, 10%);
}
::-webkit-scrollbar-thumb{
    border-radius: .5rem;
    background-color: hsla(0, 0%, 20%);
}
::-webkit-scrollbar-thumb:hover{
    background-color: hsla(0, 0%, 30%);
}

/*=============== SCROLL UP ===============*/
.scrollup{
    position: fixed;
    right: 1rem;
    bottom: -50%;
    background-color: hsla(0, 0%, 100%, .1);
    padding: 6px;
    display: inline-flex;
    color: var(--text-color);
    font-size: 1.25rem;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    z-index: var(--z-tooltip);
    transition: bottom .4s transform .4s;
}
.scrollup:hover{
    transform: translateY(-.25rem);
}

/* Show Scroll Up */
.show-scroll{
    bottom: 3rem;
}

/*=============== BREAKPOINTS ===============*/
/* For small devices */
/*@media screen and (max-width: 340px){
    .container{
        margin-inline: 1rem;
    }
    .footer__data{
        grid-template-columns: max-content;
    }
    #next2{
        left: -20px;
    }
    #prev2{
        left: unset;
        right: -20px;
    }
}*/
@media screen and (max-width: 570px){
    .container{
        margin-inline: 1rem;
    }
    .footer__data{
        grid-template-columns: max-content;
    }
    #next2{
        left: -20px;
    }
    #prev2{
        left: unset;
        right: -20px;
    }
}

/* For medium devices */
@media screen and (min-width: 576px){
/*    .home__container,*/
    .about__container,
    .explore__content,
    .join__container{
        grid-template-columns: 380px;
        justify-content: center;
    }

    .footer__data{
        grid-template-columns: repeat(3, max-content);
    }



}
@media screen and (min-width: 768px){
/*    .home__cards{
        grid-template-columns: repeat(2, 240px);
    }*/
    .about__container,
    .join__container{
        grid-template-columns: repeat(2, 350px);
        align-items: center;
    }
    .about__data,
    .about__data .section__title,
    .join__data,
    .join__data .section__title{
        text-align: initial;
    }
    .popular__container{
        grid-template-columns: repeat(2, 240px);
    }
    .explore__img{
        width: 100vw;
    }
    .join__image{
        order: -1;
    }
    .footer__content{
        grid-template-columns: repeat(2, max-content);
        justify-content: space-between;
    }
    .footer__group{
        flex-direction: row;
        justify-content: space-between;
    }
    .footer__copy{
        order: -1;
    }
}

/* For large devices */
@media screen and (min-width: 1023px){
    .nav__close,
    .nav__toggle{
        display: none;
    }
    .nav__list{
        flex-direction: row;
        column-gap: 4rem;
    }
    .popular__container{
        grid-template-columns: repeat(3, 240px);
    }
    .footer__data{
        grid-template-columns: repeat(4, max-content);
        column-gap: 4.5rem;
    }
}

@media screen and (min-width: 1152px){
    .container{
        margin-inline: auto;
    }
    .section{
        padding-block: 7rem 2rem;
    }
    .nav{
        height: calc(var(--header-height) + 1.5rem);
    }
    .blur-header::after{
        backdrop-filter: blur(25px);
        -webkit-backdrop-filter: blur(25px);
    }
    /*.home__container{
        grid-template-columns: initial;
        justify-content: initial;
        row-gap: 4rem;
        padding-top: 6.5rem;
    }
    .home__shadow{
        height: 980px;
    }
    .home__data{
        text-align: initial;
        width: 480px;
    }
    .home__subtitle{
        font-size: var(--h2-font-size);
    }
    .home__description{
        margin-bottom: 2.5rem;
    }
    .home__cards{
        grid-template-columns: repeat(4, 260px);
    }
    .home__card-title{
        left: 1.5rem;
        bottom: 1.5rem;
    }*/
    .button{
        column-gap: 1.5rem;
    }
    .about__container{
        grid-template-columns: 400px 460px;
        column-gap: 8.5rem;
        padding-block: 1rem;
    }
   /* .about__description{
        margin-bottom: 3rem;
    }*/
    .about__img{
        width: 460px;
    }

    .popular__container{
        grid-template-columns: repeat(3, 300px);
        column-gap: 3rem;
        padding-top: 4rem;
    }
    .popular__title{
        font-size: var(--h2-font-size);
    }
    .popular__location{
        font-size: var(--normal-font-size);
    }

    .explore__img{
        height: 600px;
    }
    .explore__content{
        padding-top: 28rem;
        grid-template-columns: 670px 1fr;
    }
    .explore__data,
    .explore__data .section__title{
        text-align: initial;
    }
    .explore__user{
        justify-content: flex-end;
        align-self: flex-end;
        margin-bottom: 1.25rem;
    }

    .join__container{
        grid-template-columns: 460px 340px;
        column-gap: 8.5rem;
        padding-block: 1rem 5rem;
    }
    /*.join__img{
        width: 460px;
    }*/
    .join__description{
        margin-bottom: 3rem;
    }
    .footer{
        padding-block: 5rem 3rem;
    }
    .footer__title{
        margin-bottom: 1.5rem;
    }
    .footer__group{
        margin-top: 7rem;
    }
    .footer__social{
        column-gap: 2rem;
    }
    .footer__social-link{
        font-size: 1.5rem;
    }

    .scrollup{
        right: 0.5rem;
    }

}