*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

body {
  margin: 0 auto;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  font-family: "Inter", sans-serif;
  font-optical-sizing: auto;
  max-width: 1440px;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}
a {
  text-decoration: none;
}

.container p {
  color: #5F6D7E;
}

.header-navbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  width: 100%;
  padding: 20px 80px;
  z-index: 1;
  gap: 64px;
  background-color: #F8F9FB;
}
.header-navbar-box {
  display: flex;
  align-items: center;
  gap: 64px;
}

.header-navbar-nav span {
  display: none;
}

.header-navbar-nav {
  display: flex;
  gap: 32px;
  font-size: 15px;
  font-weight: 600;
  line-height: 22px;
  text-align: left;
}

.header-navbar-nav ul {
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: 0;
  gap: 32px;
  margin: 0;
}
.header-navbar-nav a {
  color: #272D37;
  font-size: 15px;
  font-weight: 600;
  line-height: 22px;
  text-align: left;

}

.header-navbar-nav-button {
  display: flex;
  align-items: center;
  gap: 24px;
}

.header-navbar-nav-button #log-in {
  padding: 12px 18px;
  border: none;
  border-radius: 6px;
  background-color: #437EF7;
}
#log-in a {
  color: #FFFFFF;
}

.header-text {
  max-width: 1440px;
  background-color: #F8F9FB;
  text-align: center;
  padding: 80px 320px 92px;
}

.header-text h5 {
  color: #437EF7;
  font-weight: 600;
  font-size: 14px;
  line-height: 20px;
  margin-bottom: 16px;
}

.header-text h1 {
  color: #272D37;
  font-weight: 700;
  font-size: 52px;
  line-height: 60px;
  margin-bottom: 24px;
}

.header-text p {
  font-size: 18px;
  line-height: 26px;
}

.features {
  text-align: center;
  padding: 64px 320px;
}

.features h1 {
  font-weight: 700;
  font-size: 32px;
  line-height: 40px;
  letter-spacing: -2%;
  margin-bottom: 16px;
}

.features p {
  font-size: 16px;
  line-height: 24px;
  letter-spacing: -0.1px;
}

.features-item {
  display: flex;
  gap: 32px;
  margin-inline: 166px;
}

.features-item h2 {
  font-weight: 600;
  font-size: 22px;
  line-height: 30px;
  letter-spacing: -1%;
  color: #272D37;
  padding-top: 20px;
  padding-bottom: 12px;
}

.features-item p {
  font-size: 16px;
  line-height: 24px;
  letter-spacing: -0.1px;
}

.btn {
  display: none;
}

.features-item-other {
  display: none;
}

.checkus {
  padding-top: 128px;
  padding-inline: 80px;
  display: flex;
  gap: 120px;
  align-items: center;
  margin-inline: 80px;
}

.checkus h2 {
  font-weight: 600;
  font-size: 32px;
  line-height: 42px;
  color: #272D37;
  margin-bottom: 12px;
}

.checkus p {
  font-size: 16px;
  line-height: 24px;
  letter-spacing: -0.1px;
  margin-bottom: 24px;
}

ol {
  list-style-type: none;
  padding: 0;
  margin-bottom: 40px;
}

li {
  display: flex;
  gap: 8px;
  align-items: baseline;
  color: #5F6D7E;
}

.checkus-text a {
  width: 146px;
  display: flex;
  gap: 6px;
  padding: 12px 18px;
  background-color: #437EF7;
  color: #FFF;
  text-decoration: none;
  border-radius: 10px;
}

.tablet {
  display: none;
}

.team {
  padding: 64px 320px;
  text-align: center;
}

.team h1 {
  font-weight: 700;
  font-size: 32px;
  line-height: 40px;
  letter-spacing: -2%;
  color: #272D37;
  margin-bottom: 16px;
}

.team p {
  font-size: 16px;
  line-height: 24px;
  letter-spacing: -0.1px;
}

.team-item {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-inline: 80px;
  margin-bottom: 64px;
}

.social {
  display: flex;
  gap: 16px;
  padding-top: 16px;
}

.item h4 {
 padding-top: 16px;
 font-size: 22px;
 font-weight: 600;
 line-height: 30px;
 letter-spacing: -1%;
}

.question {
  border: 1px solid #EAEBF0;
  border-radius: 8px;
  margin-inline: 112px;
  margin-bottom: 64px;
}

hr {
  border: 1px solid #EAEBF0;
}

summary::-webkit-details-marker {
  display: none;
 }
 
summary {
  padding: 0px 32px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 28px;
  padding-left: 32px;
}

summary p {
  display: flex;
  gap: 32px;
}

.button a {
  padding: 4px 12px;
  text-decoration: none;
  color: #437EF7;
  background-color: #F5FAFF;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  letter-spacing: -0.1px;
}

.question p {
  padding-left: 32px;
  padding-bottom: 10px;
}

.text p {
  padding-left: 0px;
}

.form-signin {
  width: 100%;
  padding: 64px 80px;
  text-align: center;
  background-color: #2B63D9;
  color: #FFF;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.form-signin-text {
  width: 600px;
}

.form-signin h5 {
  font-weight: 600;
  font-size: 14px;
  line-height: 20px;
  margin-bottom: 16px;
}

.form-signin h1 {
  font-weight: 600;
  font-size: 32px;
  line-height: 42px;
  margin-bottom: 64px;
}

.form {
  margin-inline: 32%;
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}

.signin a {
  text-decoration: none;
  color: #2B63D9;
  background-color: #FFFFFF;
  padding: 12px 18px;
  border-radius: 8px;
}

.login a {
  text-decoration: none;
  color: #FFF;
  background-color: #437EF7;
  padding: 12px 18px;
  border-radius: 8px;
}

.sponsor {
  display: flex;
  gap: 64px;
  background-color: #2B63D9;
  padding-inline: 112px;
  padding-block: 64px;
  flex-direction: row;
  justify-content: center;
}


/* Footer başlangıç yeri*/


.footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 80px;
  background: #151B28;
  width: 100%;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(5, auto);
  gap: 64px;
  width: 1280px;
  height: auto;
}

.footer-col h3 {
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  letter-spacing: -0.10000000149011612px;
  text-align: left;
  color: #F9F9F9;
}
.footer-col ul {
  padding: 0;
}
.footer-col li {
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  letter-spacing: -0.10000000149011612px;
  text-align: left;
  color: #A5ACBA;
}
.footer-bar {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding-top: 72px;
  gap: 80px;
  width: 1280px;
  height: auto;
}

.footer-bar img {
  max-width: 100%;
  height: auto;
}

.footer-bar p {
  color: #F9F9F9;
  font-size: 14px;
}

.footer-bar ul {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 0;
}
/* Footer bitiş yeri*/

/*TABLET BAŞLANGIÇ*/

@media ( width <= 768px ) {


  .header {
    width: 768px;
    height: 100%;
  }
  .header .filter {
    height: 610px;
  }
  .header-navbar-nav li{
    display: none;
  }
  .header-navbar-nav-button label {
    display: none;
  }
  .header-navbar-nav {
    display: block;
  }
  .header-navbar {
    padding: 0;
    width: 768px;
    flex-direction: column;
    justify-content: space-between;
  }
  .header-navbar-nav span {
    display: block;
    width: 33px;
    height: 4px;
    margin-bottom: 5px;
    background: #cdcdcd;
    border-radius: 3px;
    transform-origin: 4px 0px;
    transition: transform 0.5s cubic-bezier(0.77,0.2,0.05,1.0),
                background 0.5s cubic-bezier(0.77,0.2,0.05,1.0),
                opacity 0.55s ease;
  }
  .header-navbar-box {
    padding: 16px;
    width: 736px;
    align-items: center;
    justify-content: space-between;
  }
  .header-navbar-col {
    padding: 48px 48px 88px 48px;
  }
  .header-text {
   padding: 48px 68px;
  }

  .header-text h5 {
    margin-bottom: 0;
   }

  .features-container {
    display: flex;
    margin-inline: 32px;
    gap: 32px;
  }

  .features-item {
    margin-inline: 0;
    row-gap: 48px;
  }

  .features {
    padding: 0;
  }

  .features h1 {
    padding: 40px 16px;
  }

  .features p {
    display: none;
  }

  .features-item {
    flex-direction: column;
  }

  .features-item-other {
    display: inherit;
    display: flex;
    flex-direction: column;
    row-gap: 48px;
  }

  .btn {
    display: inherit;
    padding-top: 16px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    line-height: 22px;
  }

  .features-item-other h2 {
    font-weight: 600;
    font-size: 22px;
    line-height: 30px;
    letter-spacing: -1%;
    color: #272D37;
    padding-top: 20px;
    padding-bottom: 12px;
  }

  .checkus {
    display: inline-block;
    margin-inline: 32px;
    padding: 40px 32px;
  }

  .checkus-text {
    margin-bottom: 48px;
  }

  .checkus-text p {
    display: none;
  }

  .tablet {
    display: inherit;
  }

  .desktop {
    display: none;
  }

  .team {
   padding: 40px 32px;
  }

  .item a {
    display: flex;
    gap: 10px;
    align-items: center;
    color: #437EF7;
  }

  .team-item {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .question {
    margin-inline: 32px;
    margin-bottom: 40px;
  }

  summary p {
    display: none;
  }

  .text p {
    display: inherit;
  }  

  .form-signin {
    padding: 40px 32px;
  }

  .sponsor {
  width: 768px;
   gap: 32px;
   flex-wrap: wrap;
  }
  .footer {
    display: flex;
    justify-items:center;
    width: 768px;
    padding: 0;
  }

  .footer-nav {
    display: grid;
    grid-template-columns: repeat(3, auto);
    width: 704px;
    padding: 40px 32px;
  }

  .footer-bar {
    width: 704px;
    text-align: center;
    padding: 40px 32px;
  }


}




/*TABLET BİTİŞ*/

/*MOBİL BAŞLANGIÇ*/

@media ( width <= 375px ) {


  .header {
    width: 375px;
    height: 540px;
  }
  .header-navbar {
    width: 375px;
    padding: 16px 32px;
  }
  .header-navbar-box {
    padding: 16px 0;
    width: 100%;
  }
  .header-navbar-col {
    width: 343px;
    
  }
 .header-text {
  padding: 32px 16px;
 }

 .header-text h5 {
  margin-bottom: 32px;
 }

 .header-text h1 {
  font-weight: 600;
  font-size: 36px;
  line-height: 44px;
  letter-spacing: -2%;
  margin-bottom: 16px;
 }

 .features-container {
  display: inline-block;
 }

 .checkus {
  padding: 32px 0px;
 }

 .checkus-text p {
  display: none;
 } 

.desktop {
  display: inherit;
}

.tablet {
  display: none;
 }

.team h1 {
  line-height: 24px;
}

.team-item {
  grid-template-columns: repeat(1, 311px);
  margin: 0;
  padding: 32px;
}

.team {
  padding: 40px 16px;
}

.question {
  margin-inline: 16px;
}

summary p {
  display: none;
}

.text p {
  display: inherit;
  font-size: 15px;
}

.form-signin {
  padding: 32px 16px;
}

.form-signin-text {
  width: 100%;
}

.form {
 flex-direction: column;
 flex-wrap: wrap;
 margin: 0;
 width: 343px;
}

.form a {
  padding: 12px 18px;
  display: inline-block;
  width: 100%;
}

.sponsor {
  width: 100%;
  flex-direction: column;
}
.footer {
  width: 375px;
  display: grid;
  grid-template-columns: repeat(1, auto);
  padding: 32px 0 32px 16px;
  gap: 20px;
}

.footer-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.footer-nav {
  width: 343px;
  grid-template-columns: repeat(2, 140px);
  grid-template-rows: repeat(3, auto);
  padding: 0;
}
.footer-bar ul {
  width: 343px;
  gap: 64px;
}
.footer-bar {
  width: 343px;
  padding: 0;
}
.footer-bar p {
  text-align: center;
}

}

/*MOBİL BİTİŞ*/