* {
  margin: 0;
  padding: 0;
  outline: 0;
  border: 0;
  appearance: none;
  text-decoration: none;
  list-style: none;
  box-sizing: border-box;
}

body {
  font-family: sans-serif;
  background-color: var(--color-white);
}

:root {
  --color-primary-variant: hsl(233, 26%, 24%);
  --color-primary-light: hsla(192, 61%, 70%, 0.885);
  --color-success: hsl(136, 65%, 51%);
  --color-success-variant: hsla(136, 59%, 71%, 0.788);
  --color-primary: hsl(192, 70%, 51%);    
  --color-white: #fff;
  --color-grey: #c5c5c5;
  --color-black: #000;

  --text-color: #1f1e1eca;

  --transition: all 400ms ease
}
a {
  cursor: pointer;
  color: var(--color-black);
}
.container {
  height: fit-content;
}

.website{
  background-color: transparent;
  display: grid;
  grid-template-columns: 100px repeat(3, 0.5fr) 100px;
  grid-template-areas: 
  'nav nav nav nav nav'
  'header header header header header'
  'about about about about about'
  'articles articles articles articles articles'
  'footer footer footer footer footer'
  ;
}



/* --------------- NAV CONTAINER ---------------- */
.nav-container {
  background-color: var(--color-white);
  height: 100px;
  position: sticky;
  top: 0;
  z-index: 11;
  grid-area: nav;
  display: grid;
  grid-template-columns: 100px 200px 1fr 200px 100px;
  align-items: center;
  justify-items: center;
  overflow: hidden;
}
.logo{
  justify-self: start;
  grid-column: 2 / 3;
  display: block;
  object-fit: cover;
  width: 100%;
}
.menu-button {
  display: none;
  cursor: pointer;
  background-color: transparent;
}
.nav-menu {
  column-gap: 30px;
  display: flex;
}
.nav-link {
  color: var(--color-grey);
  margin-top: 0;
  transition: var(--transition);
}
.nav-link.active {
  color: var(--color-black);
  position: relative;
  display: inline-block;
  transition: var(--transition);
}
.nav-link.active::before {
  background-color: var(--color-success);
  content: '';
  position: absolute;
  margin-top: 57px;
  width: 110%;
  height: 4px;
  left: -2.1px;
  border-radius: 15px;
}
.invite-link {
  background: linear-gradient(
    to right,
    var(--color-success),
    var(--color-primary)
  );
  color: var(--color-white);
  padding: 15px 30px;
  border-radius: 50px;
  letter-spacing: 0.5px;
  font-weight: 500;
  cursor: pointer;
}
.activeLink {
  background: linear-gradient(
    to right,
    var(--color-success-variant),
    var(--color-primary-light)
  );
}



/* --------------- HEADER CONTAINER ---------------- */
.header-container {
  background-color: #d8d8d818;
  height: 550px;
  grid-area: header;
  display: grid;
  grid-template-columns: 100px  0.5fr 1fr;
  grid-template-rows: 1fr;
  align-items: center;
}
.header-left {
  grid-column: 2 / 3;
  display: grid;
  grid-template-rows: repeat(3, 100px);
  row-gap: 5px;
  align-items: center;
}
.left-h2 {
  font-size: 40px;
  font-weight: lighter;
}
.invite-button {
  display: flex;
}
.header-right {
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
}
.img-1 {
  width: 70%;
  display: block;
  object-fit: cover;
  position: relative;
  bottom: -17px;
  right: -370px;
}
.back-img {
  width: 100%;
  background: url(images/bg-intro-desktop.svg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-position-x: 140px;
  background-position-y: -47px;
}



/* --------------- ABOUT CONTAINER ---------------- */
.about-container {
  height: fit-content;
  padding: 20px 0 100px;
  background-color: #f0f0f0;
  grid-area: about;
  display: grid;
  grid-template-columns: 100px 1fr 100px;
  grid-template-rows: 1fr 300px;
  row-gap: 70px;
}
.about-top {
  grid-column: 2 / 3;
  margin-top: 60px;
}
.about-top .second, .third, .text{
  color: var(--text-color);
}
.about-top .first {
  font-size: 35px;
  font-weight: 100;
  padding: 20px 0;
}
.about-bottom {
  grid-column: 2 / -2;
  grid-row: 2 / 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: 40px;
}
.about-card {
  display: grid;
  grid-template-rows: 100px 1fr;
  align-items: start;
  padding: 20px;
  background-color: var(--color-white);
  box-shadow: 0 10px 10px -7px #7c7373cb;
  border-radius: 20px;
}
.bottom-text .first-text {
  font-size: 26px;
  padding: 15px 0;
}


/* --------------- ARTICLES CONTAINER ---------------- */
.articles-container {
  background-color: #d8d8d800;
  height: fit-content;
  grid-area: articles;
  display: grid;
  grid-template-columns: 100px 1fr 100px;
  grid-template-rows: 180px 1fr;
  padding-bottom: 100px;
}
.articles-top {
  grid-column: 2 / 3;
  align-self: center;
  padding-top: 20px;
}
.articles-top p {
  font-size: 35px;
  font-weight: 500;
}
.articles-bottom {
  height: fit-content;
  grid-column: 2 / 3;
  grid-row: 2 / 3;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);  
  column-gap: 100px;
  row-gap: 100px;
}
.articles-card {
  height: fit-content;
  width: fit-content;
  background-color: var(--color-white);
  display: grid;
  grid-template-rows: 360px 200px;
}
.articles-card img {
  height: fit-content;
  width: 100%;
  display: block;
  object-fit: cover;
}
.articles-text {
  height: fit-content;
  letter-spacing: .5px;
  padding: 50px 30px 10px;
  background-color: var(--color-white);
  box-shadow: 0px 30px 20px 10px #d8d6d640;
  border-bottom-left-radius: 10px;
  border-bottom-right-radius: 10px;
  transition: var(--transition);
}
.articles-text .first-articles {
  font-size: 10px;
  color: var(--text-color);
}
.articles-text .second-articles {
  font-size: 20px;
  padding: 20px 0 30px;
  cursor: pointer;
  font-weight: 500;
}
.articles-text .second-articles:hover {
  color: var(--color-success);
}
.articles-text .third-articles {
  color: var(--text-color);  
  font-size: 14px;
  display: none;
  line-height: 1.5;
  transition: var(--transition);
}
.articles-text.cardOpened {
  height: 250px;
}
.articles-text.cardOpened .third-articles {
  display: block;
  transition: var(--transition);
}



/* --------------- FOOTER CONTAINER ---------------- */



.footer-container {
  height: fit-content;
  padding: 40px 0;
  background-color: var(--color-primary-variant);
  grid-area: footer;
  display: grid;
  grid-template-columns: 100px .5fr .5fr .5fr 100px;
  align-items: center;
}
.footer-socials {
  grid-column: 2 / 3;
  display: grid;
  grid-template-rows: repeat(2, 1fr);
  row-gap: 40px;
  align-items: center;
}
.footer-logo .img-2 {
  filter: hue-rotate(269deg) brightness(354%) saturate(200%);
  cursor: pointer;
}
.social-media {
  display: grid;
  grid-template-columns: repeat(5, 30px);
}
.social-media a img:hover {
  width: 25px;
  height: 25px;
}
.footer-menu ul{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}
.footer-menu ul li{
  padding: 10px;
}
.footer-link {
  color: var(--color-white);
  cursor: pointer;
}
.footer-copy {
  display: grid;
  grid-template-rows: repeat(2, 1fr);
  justify-items: end;
}
.footer-button {
  display: flex;
}
.footer-copy p {
  padding: 20px 0;
  color: var(--color-grey);
  font-size: 12px;
  letter-spacing: 1px;
}
.activeFooter {
  color: var(--color-success);
}



/* --------------- MEDIA QUERIES ---------------- */



@media (max-width: 1200px) {
  /* --------------- HEADER CONTAINER ---------------- */
  .header-container {
    height: 400px;
  }
  .img-1 {
    bottom: -10px;
    right: -300px;
  }    
  .con {
    background-position-x: 100px;
    background-position-y: -40px;
  }
  /* --------------- ABOUT CONTAINER ---------------- */
  .about-bottom {
    column-gap: 20px;
  }
  .bottom-text .first-text {
    font-size: 23px;
  }
  .bottom-text .text {
    font-size: 15px;
  }
  /* --------------- ARTICLES CONTAINER ---------------- */
  .articles-container {
    height: fit-content;
    grid-template-rows: 180px .1fr;
    justify-content: center;
  }
  .articles-top {
    text-align: center;
  }
  .articles-bottom {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, .5fr);
    justify-items: center;
  }
  .articles-card {
    grid-template-rows: 280px 200px;
  }


  /* --------------- FOOTER CONTAINER ---------------- */
  .footer-container {
    grid-template-columns: 100px .5fr .8fr .5fr 100px;
  }
}

@media (max-width: 1000px) {


/* --------------- NAV CONTAINER ---------------- */
  .nav-container {
    grid-template-columns: 50px 150px 1fr 100px 50px;
    overflow: visible;
  }
  .nav-cover {
    position: absolute;
    right: -7px;
    top: -400px;
    height: fit-content;
    width: 300px;
    padding: 20px 0;
    background-color: var(--color-white);
    /* background-color: rgba(0, 0, 0, 0.272); */
    /* backdrop-filter: blur( 15px); */
    box-shadow: -7px 20px 30px -2px#20202047;
    border-bottom-left-radius: 10px;
    transition: top 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  }
  .show-menu{
    top: 100px;
  }
  .nav-menu {
    flex-direction: column;
    align-items: center;
    border-radius: 0 0 1.5rem 1.5rem;
    transition: .4s;
  }
  .nav-menu li {
    padding: 20px 0;
  }
  .nav-menu .nav-link {
    font-size: 18px;
    color: var(--color-black);
  }
  .nav-link.active::before {
    background: linear-gradient(
      to right, 
      var(--color-success),
      var(--color-primary)
    );
    left: -143px;
    margin-top: 4px;
    width: 90%;
    height: 8px;
    transform: rotateZ(90deg);
  }
  .menu-button {
    display: block;
  }
  .menu-button#close-menu-button {
    display: none;
  }


  /* --------------- HEADER CONTAINER ---------------- */
  .header-container {
    grid-template-columns: 50px .8fr 1fr;
    align-items: start;
    height: 360px;
  }
  .header-left  {
  padding: 40px 0;
  row-gap: 0;
  }
  .header-left .left-h2 {
    font-size: 30px;
  }
  .header-left p {
    font-size: 14px;
  }
  .img-1 {
    width: 90%;
    bottom: 15px;
    right: -100px;
  }
  .back-img {
    background-position-x: 40px;
    background-position-y: -80px;
  }
  

  /* --------------- ABOUT CONTAINER ---------------- */
  .about-container {
    grid-template-columns: 50px 1fr 50px;
    grid-template-rows: .3fr 300px;
    height: 1100px;
    padding: 0;
  }
  .about-bottom {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    row-gap: 70px;
  }
  .about-card {
    height: 300px;
  }


  /* --------------- ARTICLES CONTAINER ---------------- */
  .articles-container {
    grid-template-columns: 50px 1fr 50px;
    padding-bottom: 20px;
  }
  .articles-card {
    grid-template-rows: 150px .5fr;
    margin-bottom: 50px;
  }
  .articles-bottom {
    row-gap: 20px;

  }
  .articles-text.cardOpened {
    height: fit-content;
  }


  /* --------------- FOOTER CONTAINER ---------------- */
  .footer-container {
    grid-template-columns: 50px .5fr .5fr 50px;
    grid-template-rows: repeat(2, 1fr);
    row-gap: 20px;
  }
  .footer-copy {
    grid-row: 2 / -1;
    grid-column: 2 / 4;
    display: flex;
    justify-content: space-between;
  }

}

@media (max-width: 600px){

  /* --------------- NAV CONTAINER ---------------- */
  .nav-container {
    grid-template-columns: 20px 1fr .5fr 20px;
  }
  .nav-cover {
    margin-top: 20px;
    border-radius: 10px;
    left: 0;
    width: 100%;
  }
  .nav-link.active::before {
    left: -200px;
  }
  .nav-container .invite-link {
    display: none;
  }
  .menu-button {
    justify-self: end;
  }

  /* --------------- HEADER CONTAINER ---------------- */
  .header-container {
    grid-template-columns: 1fr;
    grid-template-rows: .8fr 1fr;
    align-items: normal;
    justify-content: center;
    height: fit-content;
    text-align: center;
  }
  .header-left {
    grid-row: 2 / -1;
    padding: 10px 40px 0;
    justify-items: center;
    row-gap: 20px;
  }
  .header-left .left-h2 {
    font-size: 30px;
    font-weight: 400;
  }
  .header-right {
    grid-column: 2 / 4;
  }
  .img-1 {
    width: 100%;
    bottom: 100px;
    right: 0;
  }
  .back-img {
    width: 100%;
    background: url(images/bg-intro-mobile.svg);
    background-size: contain;
    background-repeat: no-repeat;
  }


  /* --------------- ABOUT CONTAINER ---------------- */
  .about-container {
    height: fit-content;
    grid-template-columns: 20px 1fr 20px;
    grid-template-rows: .1fr 1fr;
    padding-bottom: 100px;
    text-align: center;
  }
  .about-bottom {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, 1fr);
  } 


  /* --------------- ARTICLES CONTAINER ---------------- */
  .articles-container {
    grid-template-columns: 20px 1fr 20px;
  }
  .articles-bottom {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, 1fr);
  }
  .articles-card {
    margin-bottom: 50px;
    grid-template-rows: 180px .5fr;
  }
  .articles-top p {
    font-weight: 500;
  }
  .articles-text.cardOpened {
    height: 350px;
  }


  /* --------------- FOOTER CONTAINER ---------------- */
  .footer-container {
    grid-template-columns: 20px 1fr 20px;
    grid-template-rows: repeat(3, .7fr);
    text-align: center;
    row-gap: 0;
  }
  .footer-socials {
    justify-content: center;
  }
  .footer-menu {
    grid-row: 2 / -2;
    grid-column: 2 / 3;
  }
  .footer-menu ul {
    grid-template-columns: 1fr;
  }
  .footer-copy {
    grid-row: 3 / -1;
    grid-column: 2 / 3;
    display: block;
    justify-self: center;
  }
  .footer-copy .footer-button {
    justify-content: center;
  }

}