* {
  box-sizing: border-box;
  font-size: 1rem;
  color:hsl(0, 0%, 0%);

  @media (width > 600px){
    font-size: 1.2rem;
  }

  @media (width < 600px){
    font-size: 1.75rem;
  }
}

p{
  text-align: left;
}

.first-p{
  text-align: center;
}

.solo-p{
  text-align: left;
  margin: auto;
  width: 50%;
  padding: 24px;
}

body{
  font-family: Inter, InterFallback, ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", Segoe UI Symbol, "Noto Color Emoji";
  background-repeat: no-repeat;
  background-position: center;
  background-attachment: fixed;
  background-size: cover;
}

header{
  margin-top: 1.5rem;
  margin-left: 1.5rem;
  padding: 24px;
}

main{
  margin-top: 1.5rem;
  margin-left: 1.5rem;
  padding: 24px;
}

h1{
  font-family: Arizona, ArizonaFallback, ui-serif, Georgia, Cambria, Times New Roman, Times, serif;
  text-align: center;
  color: hsl(197, 79%, 46%);
  font-size: 2em;
}

h2{
  margin-top: 1.5rem;
  margin-left: 1.5rem;
  padding: 24px;
  text-align: center;
  color: hsl(197, 79%, 46%)
}

h3{
  margin-top: 1.5rem;
  margin-left: 1.5rem;
  padding: 24px;
  text-align: center;
  color: hsl(197, 79%, 46%)
}

details{
  margin: 5px;
  font-size: 18px;
}

details > *{
  padding: .75rem;
}

summary{
  border-radius: 5px;
  font-size: 20px;
  border-radius: 12px;
  border-bottom: 2px solid;
  color: hsl(197, 79%, 46%);
  cursor: pointer;
  position: relative;
  transition: .3s;
  text-indent: 0px;
}

summary::marker{
  content: "";
}

summary::before{
  content:"";
  position:absolute;
  inset: .75rem;
  left: auto;
  aspect-ratio: 1;
  background: 
   conic-gradient(from 90deg at 26% 26%, #0000 90deg, hsl(197, 79%, 46%) 0) 
    100% 100%/58% 58%;
  clip-path: inset(1px);
  transition: .3s;
}

details[open] summary::before{
  transform: rotate(45deg);
}

img{
  display: block;
  margin: 25px auto;
  width: 300px;
  height: auto;
  padding: 0px;

  @media (width < 600px) {
    width: 250px;
  }
}

.big-img{
  width: 800px;

  @media (width < 900px) {
    width: 400px;
  }
}

.logo{
  width: 100px;
}

a{
  text-decoration: none;
}

button{
  background: hsl(197, 79%, 46%);
  gap: 12px;
  border: 0px;
  margin: 8px 0px;
  padding: 8px 16px;
  line-height: 2rem;
  border-radius: 12px;
  text-align: center;
}

.stand-alone-button{
  display: flex;
  margin: 0 auto;
  text-decoration: none;
}

.button-alt{
  background: transparent;
  color: hsl(197, 79%, 46%);
  gap: 12px;
  border: 0px;
  margin: 8px 0px;
  padding: 8px 16px;
  line-height: 2rem;
  border-radius: 12px;
  text-align: center;
}

button:hover{
  background-color:  hsl(212, 79%, 46%);
  color: hsl(0, 0%, 85%)
}

.flex-container{
  margin: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  width: 300px;
}

.big-img-two-column-layout{
  display: grid;
  gap: 2rem;
  margin: auto;
  max-width: 1200px;
  padding: 1.5rem;
  align-items: center;

  @media (min-width: 720px){
      grid-template-columns: 1fr 1fr;
  }
}

.big-img-two-column-layout .big-img{
  width: 100%;
  max-width: 800px;
  height: auto;
  display: block;
  margin: 0 auto;
}

@media (max-width: 900px){
  .big-img-two-column-layout .big-img{
    max-width: 400px;
  }
}

.boxed-two-column{
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: hsl(212, 79%, 46%);
  gap: 20px;
  margin: auto;
  max-width: 1200px;
  padding: 1.5rem;
  margin-block-end: 25px;

  @media (min-width: 720px) {
    .boxed-two-column {
      grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
      align-items: center;
    }
  }
}

.boxed-two-column button:hover{
  background-color: hsl(212, 81%, 36%);
}

.boxed-two-column p{
  text-align: left;
}

.boxed-two-column .big-img{
  width: 100%;
  max-width: 800px;
  height: auto;
  display: block;
  margin: 0 auto;
}

@media (max-width: 900px){
  .boxed-two-column .big-img{
    max-width: 400px;
  }
}

.two-column-layout{
  display: grid;
  align-items: center;
  gap: 20px;
  margin: auto;
  max-width: 900px;
  padding: 1.5rem;
  margin-block-end: 25px;
  text-align: center;
  justify-content: center;

  @media (width > 720px) {
    grid-template-columns: 1fr 1fr;
  }
}

.two-column-layout p{
  text-align: left;
}

.four-column-layout{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin: auto;
  max-width: 900px;
  padding: 1.5rem;
  margin-block-end: 25px;
  text-align: center;

  @media (width < 1024px) {
    grid-template-columns: repeat(2, 1fr);
  }

  @media (width < 800px) {
    grid-template-columns: 1fr;
  }
}

.four-column-layout p{
  text-align: left;
}

.six-column-layout{
  display: grid;
  grid-template-columns: repeat(3, 2fr);
  gap: 2rem;
  margin: 0 auto;
  max-width: 1200px;
  padding: 1.5rem;
  margin-block-end: 25px;

  @media (width < 1440px) {
    grid-template-columns: repeat(2, 3fr);
  }

  @media (width < 1024px) {
    grid-template-columns: 1fr;
  }
}

.box{
  background: linear-gradient(to bottom, hsl(0, 0%, 100%), hsl(197, 79%, 46%));
  gap: 12px;
  border: 0px;
  margin: 8px 0px;
  padding: 8px 16px;
  line-height: 2rem;
  border-radius: 12px;
}

.big-box{
  background: hsl(0, 0%, 97%);
  gap: 12px;
  border: 0px;
  margin: 8px 0px;
  padding: 8px 16px;
  line-height: 2rem;
  border-radius: 12px;
  text-align: center;
}

.big-box .logo{
  width: 100px;
  display: block;
  margin: 0 auto 0 0;
}

.big-box .big-img{
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 12px;
}

.column{
  display: flex;
  flex-direction: column;
}

.column-title{
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.navbar{
  position: sticky;
  top: 0;
  margin: 0;
  padding: 0px;
  width: 100%;
  background: hsl(197, 79%, 46%);
  backdrop-filter: blur(100px);
  z-index: 10;
}

.navbar ul{
  list-style-type: none;
  padding: 0px;
  margin: 0px;
  overflow: hidden;
}

.navbar li{
  float: left;
  padding: 0px;
  margin: 0px;
}

.navbar a{
  color: hsl(0, 0%, 100%);
  text-decoration: none;
  padding: 8px 16px;
  line-height: 2rem;
  display: block;
  text-align: center;
}

.navbar a:hover{
  background-color:  hsl(212, 79%, 46%);
}

.navbar .active{
  background-color: hsl(197, 79%, 46%);
}

.teal-text{
  color: hsl(197, 79%, 46%);
}

footer{
  margin-top: 1.5rem;
  padding: 24px;
}

.copyright-footer{
  text-align: left;
}

.column-title{
  text-align: left;
}

.footer-layout{
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto 25px auto;
  padding: 1.5rem;
}

.footer-ul{
  list-style-type: none;
  padding: 0px;
  margin: 0px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-ul a{
  text-decoration: none;
}

.middle-footer{
  display: grid;
  gap: 2rem;
  margin: 0 auto 25px auto;
}

.middle-ul{
  display: flex;
  gap: 0.75rem;
  justify-content: left;
  list-style-type: none;
}

.middle-ul a{
  text-decoration: none;
}

.ending-footer{
  display: flex;
  gap: 2rem;
}

.ending-ul{
  display: flex;
  gap: 0.5rem;
  justify-content: left;
  list-style-type: none;
  padding: 0px;
  margin: 0px;
}

.ending-ul a{
  text-decoration: none;
  font-size: 0.75rem;
}

.ending-ul p{
  font-size: 0.75rem;
}

.products-list-wrapper{
  display: flex;
  justify-content: center;
  gap: 2rem;
}

@media (max-width: 1024px) {
  .footer-layout {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 800px) {
  .footer-layout {
    grid-template-columns: 1fr;
  }
  .products-list-wrapper {
    flex-direction: column; 
    align-items: center;
  }
}