* {
  margin: 0;
  padding: 0;
}
#header {
  height: 100vh;
  background-image: url(images/background.png);
  background-position: center;
  background-size: cover;
}
.container {
  margin-right: 100px;
  margin-left: 100px;
}
.logo {
  margin-top: 30px;
  width: 100px;
}
.header-text {
  max-width: 350px;
  margin-top: 140px;
}
h1 {
  font-size: 34px;
}
.square {
  height: 12px;
  width: 12px;
  display: inline-block;
  background: rgb(254, 129, 217);
  margin: 15px 0;
}
.btn {
  padding: 5px 40px;
  background: transparent;
  outline: none;
  border: 2px solid rgb(254, 129, 217);
  font-weight: bold;
  cursor: pointer;
}

.btn-a {
  color: black;
text-decoration: none;
  

}
p {
  font-size: 15px;
  line-height: 18px;
  color: #777;
}
.header-text button {
  margin-top: 20px;
  margin-bottom: 60px;
}
.line-1 {
  width: 15px;
  height: 15px;
  background: rgb(254, 129, 217);
  display: inline-block;
}
.line-2 {
  width: 70px;
  height: 1px;
  background: rgb(254, 129, 217);
  display: inline-block;
}
.line-3 {
  width: 110px;
  height: 1px;
  background: rgb(254, 129, 217);
  display: inline-block;
}

#sidenav {
  width: 250px;
  height: 100vh;
  position: fixed;
  right: -250px;
  top: 0;
  background: rgba(243, 146, 214, 0.87);
  z-index: 2;
}
nav ul li {
  list-style: none;
  margin: 50px 20px;
}
nav ul li a {
  text-decoration: none;
  color: white;
}
#menuBtn {
  width: 50px;
  position: fixed;
  right: 65px;
  top: 35px;
  z-index: 2;
  cursor: pointer;
}

#about-us,
#offers {
  padding: 100px 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.about-left {
  flex-basis: 50%;
}
.about-left img {
  width: 100%;
}
.about-right {
  flex-basis: 50%;
  text-align: right;
}
.about-text {
  max-width: 500px;
  margin-right: 100px;
  display: inline-block;
}
.about-text h2 {
  font-style: italic;
}

#features {
  padding-top: 50px;
  padding-bottom: 50px;
}
.feature-row {
  width: 80%;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
}
.fecture-col {
  flex-basis: 25%;
  text-align: center;
}
.fecture-col img {
  width: 100px;
}
.fecture-col h4 {
  margin-bottom: 15px;
  font-size: 20px;
}
.feature-btn {
  margin: 80px auto 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.feature-btn .line {
  text-align: right;
  display: inline-block;
  margin-right: 25px;
}

#courses {
  padding: 100px 0;
}
.co {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.course-right {
  flex-basis: 50%;
}
.course-right img {
  width: 100%;
}
.course-left {
  flex-basis: 50%;
}
.course-text {
  max-width: 350px;
}
.course-text button {
  margin: 30px 0;
}

.contactus {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.contact-left,
.contact-right {
  flex-basis: 50%;
}
.contact-right img {
  width: 100%;
}

form {
  max-width: 350px;
  margin: 30px 0;
}
form input {
  width: 100%;
  padding: 12px 10px;
  margin-bottom: 5px;
  outline: none;
  box-shadow: none;
  box-sizing: border-box;
  border: 2px solid rgb(248, 128, 148);
}
.btn-sign {
  width: 100%;
  height: 3rem;
  display: flex;
  justify-content: space-between;
  
  padding-bottom: 1rem;
}
.btn-sign button {
  flex-basis: 48%;
  padding: 18px 0;
}

hr {
  width: 100%;
  margin: 40px 0px;
}
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.footer-left {
  flex-basis: 50%;
  margin-top: 60px;
}
.footer-right {
  flex-basis: 35%;
}
.footer-links {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.links-title {
  color: rgb(248, 128, 148);
  margin-bottom: 20px;
}
.links-title small {
  font-size: 13px;
  color: gray;
}

.footer-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.footer-logo img {
  width: 80px;
}
.footer-logo button {
  padding: 12px 28px;
  margin-top: 20px;
  font-size: 10px;
}

.copy-write,
.footer-logo {
  flex-basis: 40%;
}

.social-icons {
  width: 50px;
  position: fixed;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  z-index: 1;
}
.social-icons img {
  display: block;
  width: 20px;
  margin: 0 auto 20px;
  cursor: pointer;
}
.pr {
  text-decoration:overline ;
  color: rgb(248, 128, 148); 
}
.p-hakımızda{
margin-left: 2.5rem;

text-align: justify;
}
.bize-text {
  margin-top: 5rem;
}

.form-control {
  border-radius: 0.5rem;
}
.form-control-tetx {
  border-color: rgb(248, 128, 148);
  border-radius: 0.5rem;
  border-width: 2px;
  width: 21.5rem;
}
.form-1{
  margin-left:20rem;
 
}
.ADDRESS{
  margin-left: 50rem;
  margin-top: -20rem;
  margin-bottom: 10rem;
}
.bize{
  margin-top: 5rem;
}
@media only screen and (max-width: 770px) {
  #header {
    background-image: none;
  }
  .container {
    margin-right: 50px;
    margin-left: 50px;
  }
  .logo {
    margin-top: 25px;
    width: 70px;
  }
  .header-text {
    margin-top: 100px;
  }
  h1 {
    font-size: 20px;
  }

  #menuBtn {
    width: 40px;
    right: 50px;
  }
  .btn-a {
    padding: 10px 16px;
  }
  .btn {
    padding: 10px 16px;
  }

  .social-icons img {
    width: 14px;
    margin: 15px auto;
  }

  .about-left,
  .about-right {
    flex-basis: 100%;
  }

  .fecture-col {
    flex-basis: 100%;
  }

  .course-left {
    flex-basis: 100%;
  }
  .course-right {
    flex-basis: 100%;
    margin-top: 60px;
  }

  .contact-left,
  .contact-right {
    flex-basis: 100%;
  }

  .footer-left {
    flex-basis: 100%;
  }
  .footer-right {
    flex-basis: 100%;
  }
}