@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&family=Poppins&display=swap');

/* Colors */
:root{
  --header-height:3.5rem;

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

  /* Font and Typography */
  --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:2.75rem;
      --h2-font-size:2rem;
      --h3-font-size:1.25rem;
      --normal-font-size: 1rem;
      --small-font-size:.875rem;
      --smaller-font-size:.813;
    }
  }
}

  /* Base */
  *{
    box-sizing: border-box;
    margin: 0;
    padding: 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-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__titile{
    text-align: center;
    font-size: var(--h1-font-size);
    margin-bottom: 1.5rem;
  }
  .main{
    overflow: hidden;
  }
  /* 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);
    font-size: var(--h1-font-size);
  }
  .nav__toggle,
  .nav__close{
    display: flex;
    color: var(--title-color);
    cursor: pointer;
    font-size: var(--h1-font-size);
  }

  /* Navigationf 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(24);
      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);
    top: 0;
    left: 0;
    z-index: -1;
  }
  /* Active Link */
  .active-link::after{
    width: 70%;
  }

  /* Home */
  .home__bg{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 750px;
    object-fit: cover;
    object-position: center;
  }
  .home__shadow{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 800px;
    background: linear-gradient(180deg,
              hsla(0,0%,0%,0) 58%,
              hsl(0, 0%, 0%) 78%);
  }
  .home__container{
    position: relative;
    padding-top: 3rem;
    row-gap: 3rem;
  }
  .home__data{
    text-align: center;
  }
  .home__subtitle{
    font-size: var(--h3-font-size);
    margin-bottom: .5rem;
  }
  .home__title{
    font-size: var(--biggest-font-size);
    margin-bottom: 1rem;
  }
  .home__description{
    margin-bottom: 2rem;
    color: var(--title-color);
  }
  .home__cards{
    grid-template-columns: 300px;
    justify-content: center;
  }
  .home__card{
    position: relative;
    overflow: hidden;
  }
  .home__card-img{
    transition: transform .4s;
    border-radius: 10px;
  }
  .net-devider{
    color: rgb(255, 0, 0);
  }
  .home__card-shadow{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: linear-gradient(180deg,
              hsla(0,0%,0%,0) 50%,
              hsl(0, 0%, 0%) 125%);
  }
  .home__card-title{
    position: absolute;
    left: 1rem;
    bottom: 1rem;
    z-index: 1;
    font-size: var(--h3-font-size);
  }
  .home__card:hover .home__card-img{
    transform: scale(1.2);
  }
  /* 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: .7rem;
    font-family: var(--second-font);
    font-weight: var(--font-semi-bold);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
  }
  .button i{
    font-size: 1.24rem;
    transition: transform .4s;
    font-weight: initial;
  }
  .button:hover i{
    transform: translateX(.3rem);
  }

  /* About */
  .about__container{
    row-gap: 3rem;
  }
  .about__data{
    text-align: center;
  }
  .about__description{
    margin-bottom: 2rem;
  }
  .about__image{
    position: relative;
    justify-self: center;
    overflow: hidden;
  }
  .about__img{
    width: 300px;
    transition: transform .4s;
  }
  .about__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%);
  }
  .about__image:hover .about__img{
    transform: scale(1.2);
  }
  /* Popular */
  .section__title{
    text-align: center;
    margin-bottom: 1rem;
  }
  .popular__container{
    padding-top: 1.5rem;
    grid-template-columns: 300px;
    justify-content: center;
    row-gap: 2.5rem;
  }
  .popular__image{
    position: relative;
    overflow: hidden;
    margin-bottom: 1.5rem;
  }
  .popular__img{
    transition: transform .4s;
    border-radius: 10px;
  }
  .popular__shadow{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(100deg,
                hsla(0,0%,0%,0) 50%,
                  hsl(0,0%,0%)125%);
  }
  .popular__title{
    font-size: var(--h2-font-size);
    margin: .5rem 0rem .5rem 0;
  }
  .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;
  }
  .popular__location i{
    font-size: 1rem;
  }
  .popular__image:hover .popular__img{
    transform: scale(1.2);
    overflow: hidden;
  }

  /* Explore */
  .explore{
    position: relative;
  }
  .explore__image{
    position: absolute;
    overflow: hidden;
  }
  .explore__img{
    width: 100%;
    height: 333px;
    object-fit: cover;
    object-position: center;
  }
  .explore__shadow{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg,
                hsl(0,0%,0%) 5%,
                hsla(0,0%,0%,0) 40%,
                hsla(0,0%,0%,0) 60%,
                hsl(0,0%,0%) 92%);
  }
  .explore__content{
    position: relative;
    padding-top: 16rem;
    text-align: center;
    row-gap: 2.5rem;
  }
  .explore__user{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    column-gap: .5rem;
  }
  .explore__perfil{
    width: 30px;
    height: 30px;
    object-fit: cover;
    border-radius: 50%;
  }
  .explore__name{
    font-size: var(--small-font-size);
    color: var(--title-color);
  }
  /* JOIN */
  .join__container{
    row-gap: 3rem;
    padding-bottom: 2.5rem;
  }
  .join__data{
    text-align: center;
  }
  .join__description{
    margin-bottom: 2rem;
  }
  .join__form{
    display: grid;
    row-gap: 1rem;
  }
  .join__invite{
    padding: 1.25rem 1rem;
    background-color: var(--container-color);
  }
  .join__button{
    cursor: pointer;
  }
  .join__image{
    position: relative;
    justify-self: center;
    overflow: hidden;
  }
  .join__img{
    width: 300px;
    transition: transform .4s;
  }
  .join__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%);
  }
  .join__image:hover .join__img{
    transform: scale(1.2);
  }

  /* Footer */
  .footer{
    padding-block: 2.5rem;
    background-color: var(--container-color);
  }
  .footer__content{
    row-gap: 3.5rem;
  }
  .footer__logo{
    display: inline-block;
    color: var(--title-color);
    font-size: var(--h1-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(--h2-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: 1.5rem;
    transition: color .4s, transform .4s;
  }
  .footer__social-link:hover{
    color: var(--title-color);
    transform: translateY(-.5rem);
  }
  .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: hsl(0, 0%, 10%);
  }
  ::-webkit-scrollbar-thumb{
    border-radius: .5rem;
    background-color: hsl(0, 0%, 20%);
  }
  ::-webkit-scrollbar-thumb:hover{
    background-color: hsl(0, 0%, 30%);
  }
  /* ========= Scroll Up =========== */
  .scrollup{
    position: fixed;
    right: 1rem;
    bottom: -50%;
    background-color: hsla(0, 0%, 0%, .1);
    padding: 6px;
    display: inline-flex;
    color: var(--title-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;
    }
  }
  
  /* For Medium Devices */
  @media screen and (min-width: 576px) {
    .home__container,
    .about__container,
    .explore__content,
    .join__container{
      grid-template-columns: 350px;
      justify-content: center;
    }
    .footer__data{
      grid-template-columns: repeat(3,max-content);
    }
    .section__title{
      font-size: 2rem;
    }
    .explore__description{
      font-size: 1rem;
    }
    .home__bg{
      object-position: top;
    }
    .home__subtitle{
      font-size: var(--h1-font-size);
    }
    .home__title{
      font-size: 4rem;
    }
    .home__description{
      font-size: 1rem;
    }
  }

  @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);
    }
    .footer__data{
      grid-template-columns: repeat(max-content);
    }
    .explore__image{
      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;
    }
    .section__title{
      font-size: 3rem;
    }
    .nav__list{
      flex-direction: row;
      column-gap: 4rem;
    }
    .popular__container{
      grid-template-columns: repeat(3,240px);
    }
    .footer__data{
      grid-template-columns: repeat(3,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(25rem);
    }
    .home__container{
      grid-template-columns: initial;
      justify-content: initial;
      padding-top: 1.5rem;
    }
    .home__shadow{
      height: 980px;
    }
    .home__data{
      text-align: initial;
    }
    .home__title{
      font-size: 6rem;
    }
    .home__description{
      margin-bottom: 2.5rem;
    }
    .home__cards{
      grid-template-columns: repeat(4,260px);
    }
    .home__card-title{
      left: 1.5rem;
      bottom: 1.5rem;
    }
    .botton{
      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(3,350px);
      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: 3rem;
    }
  }