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

:root{
    /*----Typography----*/
    --primaryFont:  "Public Sans", sans-serif;

    /*----Colors----*/ 
  --blue-950: hsl(233, 26%, 24%);
  --green-500: hsl(136, 64%, 51%);
  --cyan-400: hsl(192, 69%, 51%);
  --gray-600: hsl(233, 8%, 62%);
  --gray-100: hsl(220, 16%, 96%);
  --gray-50: hsl(0, 0%, 98%);
  --white: hsl(0, 100%, 100%);
  --shadowColor: #1f1e33ab;
}

/*----Reset & Global Style----*/
*, *::after, *::before{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html, body{
  min-height: 100vh;
}
img{
  max-width: 100%;
  height: auto;
  display: block;
}
h1,h2,h3{
  color: var(--blue-950);
}
p{
  color: var(--gray-600);
}
body{
  font-family: var(--primaryFont);
  
}
header{
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block: 1.2rem;
  margin-inline: 1.5rem; 
  position: relative;   
}
header .logo a img{
  transition: .2s ease-in-out;
}
header .logo a img:hover{
  transform: scale(1.05);
}
nav ul{
  background-color: var(--white);
  position: absolute;
  border-radius: 4px;
  left: 0;
  right: 0;
  top: 4.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding-block: 2rem;
  list-style: none;
  z-index: 5;
  transform: scaleY(0);
  transform-origin: top;
  pointer-events: none;
  transition: transform .25s ease, opacity .25s ease;
  opacity: 0;
   box-shadow: 0 80px 180px 80px var(--shadowColor);
}
.show_menu ul{
  transform: scaleY(1);
  pointer-events: auto;  
  opacity: 1;
}
nav ul li a{
  color: var(--gray-600);
  font-size: 1.1rem;
  text-decoration: none;
  padding: 0;
}
nav ul li a:hover{
  color: var(--blue-950);
  transition: .1s;
}
.menu_icon{
  width: 1.5rem;
  height: .75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer; 
}
.menu_icon span{
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--gray-600);
  border-radius: 2px;
  transition: all .3s ease;
}
.menu_icon.active span:nth-child(1){
  transform: rotate(45deg) translate(5px, 5px);
}
.menu_icon.active span:nth-child(2){
  opacity: 0;
}
.menu_icon.active span:nth-child(3){
  transform: rotate(-45deg) translate(2px, -2px);
}

.menu_icon:hover.active span{
  background-color: var(--cyan-400);
}
.req_btn a{
  background: linear-gradient(to bottom, var(--green-500), var(--cyan-400));
  font-size: .92rem;
  color: var(--white);
  padding: .8rem 2rem;
  border-radius: 2rem;
  text-decoration: none;
  white-space: nowrap;
  transition: .25s;
}

header .req_btn{
  display: none;
}
.req_btn a:hover{
  filter: brightness(1.2);
}

main{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero_area{
  background-color: var(--gray-50);
  background-image: url("images/bg-intro-mobile.svg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: top -4rem left 0;
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  gap: 1.8rem;
}
.generation{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-block-end: 4rem;
  max-width: 90%;
  gap: 1.4rem;
  text-align: center;  
}
.generation h1{
  font-size: 2.4rem;
  font-weight: 350;
  line-height: 1.25;
}
.generation p{
  font-size: .875rem;
  line-height: 1.1;
  margin-block-end: 1rem;
} 
.image_area img{
  max-width: 91.5%;
  margin-inline: auto; 
  position: relative;
  margin-block-start: -7.5rem;
}

.features_area{
  background-color: var(--gray-100);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-block: 4.5rem 2.5rem;
  padding-inline: 1.5rem;
  gap: 1.5rem;
}
.features_header h2{
  font-size: 1.92rem;
  line-height: 1.16;
  font-weight: normal;
  margin-block-end: 1rem;
}
.features_header p{
  font-size: .875rem;
  line-height: 1.15;
}
.icon_area{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-block: 1.5rem;
  gap: 2rem;
}
.icon{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.8rem;
}
.icon_area h3{
  font-size: 1.44rem;
  font-weight: normal;
  margin-block-start: .55rem;
}
.icon_area p{
  font-size: .871rem; 
  cursor: pointer;
}
.icon_area p:hover{
  color: var(--cyan-400);
}
.articles_area{
  background-color: var(--gray-50);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-block:  4rem 4rem;
  padding-inline: 1.5rem;
}
.articles_area h2{
  font-size: 1.9rem;
  font-weight: normal;
  margin-block-end: 3rem;
}
.article_image{
  display: grid;
  grid-template-columns:  1fr;
  justify-content: center;
  align-items: center;
  gap: .65rem;
}
.photo{
  background-color: var(--white);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding-block-end: 2rem;
}
.article{
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-block-start: .5rem;
  padding-inline-start: 2rem;
}
.name{
  font-size: .62rem;
  margin-block-end: .85rem;
}
.article h3{
  font-size: .95rem;
  line-height: 1.25;
  max-width: 90%;
  font-weight: 400;
  margin-block-end: .7rem;
}
.wilson h3{
  max-width: 70%;
}
.desc{
  font-size: .87rem;
  max-width: 90%;
}
.article_image img{
  border-radius: 4px 4px 0 0;
  max-height: 12.5rem;
  width: 100%;
  object-fit: cover;
}
footer{
  background-color: var(--blue-950);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-block: 3.5rem ;
  gap: 1.8rem;
}
footer .logo{
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
footer .logo img{
  max-width: 10rem;
} 
.social{
  display: flex;
  gap: 1rem;
}
.social img{
  cursor: pointer;
  transition: .25s ease-in-out;
}
.social img:hover{
transform: scale(1.1);
}
.information ul{
  list-style: none;
  display: grid;
  text-align: center;
  grid-template-rows: 1fr;
  gap: .85rem;
}
.information a{
  color: var(--white);
  text-decoration: none;
  font-size: .88rem;
  transition: .25s ease-in-out;
}
.information a:hover{
  color: var(--green-500);
}
.copyright{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
  padding-block-start: .5rem ;
}
.copyright p{
  color: var(--gray-600);
  font-size: .87rem;
}

/*----Desktop View| Width>=1024px----*/  

@media screen and (min-width: 64rem){

header{
  margin-block: 1.7rem;
  justify-content: space-around;
  margin-inline: 3rem; 
}
nav ul{
  flex-direction: row;
  gap: 2rem;
  position: relative;
  border-radius: 0; 
  top: 0;
  left: 0;
  right: 0;
  padding-block: 0;
  padding-inline: 0;
  z-index: 1 ;
  pointer-events: auto;
  transition: none;
  opacity: 1;
  background-color: transparent;
  box-shadow: none;
  transform: none;
}
nav ul li a{
  font-size: .85rem;
  padding: 1.5rem 0;
  font-weight:600;
}
nav ul li a:hover{
  color: var(--blue-950);
  border-bottom: 5px solid var(--cyan-400);
  transition: .1s;
}
.menu_icon{
  display: none;
}
header .req_btn{
  display: initial;
}
.hero_area{
  background-image: url(images/bg-intro-desktop.svg);
  max-height: 40.8rem;
  background-size: auto;
  background-position: top -30vh left 43.4vw;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 0;
}
.generation{
  align-items:flex-start  ;
  flex-basis: 34%;
  margin-inline-start: 10rem;
  padding-block-start: 3.5rem;
  gap: 0;
  position: relative;
}
.generation h1{
  font-size: 3.35rem;
  line-height: 1.25;
  text-align: left;
  margin-block-end: 1.5rem;
}
.generation p{
  font-size: 1.09rem;
  line-height: 1.62;
  text-align: left;
  margin-block-end: 2.2rem;
} 
.image_area{
  flex-basis: 66%;
  position: relative;
  transform: translateX(10.55rem) translateY(2.45rem);
}

.features_area{
  padding-block: 6.5rem 5rem;
  padding-inline: 0;
  gap: 1rem;  
}
.features_header{   
  width: 78%;
}
.features_header h2{
  font-size: 2.38rem;
  font-weight: normal;
  text-align: left;
}
.features_header p{
  font-size: 1.09rem;
  line-height: 1.55;
  margin-block: 2rem;
  max-width: 60%;
  text-align: left;
}
.icon_area{
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  text-align: left;
  column-gap: 3.2rem;
  width: 78%;
}
.icon{
  display: flex;
  align-items: flex-start;
}
.icon img{
  margin-block: 0;
}
.icon_area p{
  font-size: .97rem; 
  line-height: 1.68;
}

.articles_area{
  background-color: var(--gray-50);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 5rem 10rem;  
}
.articles_area h2{
  font-size: 2.36rem;
  font-weight: normal;
  margin-block-end: 3.6rem;
}
.article_image{
  display: grid;
  grid-template-columns:  repeat(4, 1fr);
  justify-content: flex-start;
  align-items: flex-start;
  gap: 2rem;
  margin-inline: auto;
}
.article_image img{
  border-radius: 4px 4px 0 0;
  min-height: 12.5rem;
  object-fit: cover;
}
.article{
  background-color: var(--white);
  padding-inline: 1.2rem;
}
p.name{
  font-size: .625rem;
  margin-block-end: 1rem;
}
.article h3{
  font-size: .95rem;
  margin-block-end: .7rem;
  max-width: 96%;
}
.wilson h3{
  max-width: 100%;
}
p.desc{
  font-size: .87rem;
  max-width: 100%;
  line-clamp: 4;
  -webkit-line-clamp: 4;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
footer{
  flex-direction: row;
  justify-content: space-between;
  padding-block: 2.5rem 2.8rem;
  padding-inline: 10rem;
  gap: 7.5rem;
}
footer .logo{
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}
footer .logo img{
  max-width: 9.5rem;
} 
.information ul{
  list-style: none;
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  grid-auto-flow: column;
  row-gap: 1.27rem;
  column-gap: 8.2rem;
  text-align: left;
  white-space: nowrap;
}
.information a{
  color: var(--white);
  text-decoration: none;
  font-size: .88rem;
}
.copyright{
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2.2rem;
  margin-inline-start: auto;
}
.copyright p{
  font-size: .87rem;
}
}