@import url("https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600;700&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: #ffffff;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

img {
  height: auto;
  object-fit: cover;
}

.main > * {
  position: relative;
  z-index: 2; /* overlay’in üstünde görünsün */
}

.main {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
}

.main::before {
  content: "";
  z-index: -1;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  background-image: url("../image/bg-image.jpg");
  background-size: 250%;
  background-repeat: no-repeat;
  background-position: center;
  background-blend-mode: multiply;
}

.header {
  position: relative;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  width: 100%;
  height: 160px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.header__logo {
  width: 275px;
  margin-right: calc(50% - 225px);
}

.header__language {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100px;
  height: 100%;
  padding: 45px;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  text-decoration: none;
}

.header__language:active,
.header__language:hover {
  color: #ffffff;
}

.content {
  max-width: 700px;
  margin: 100px auto auto;
  padding: 0 0 100px 0;
}

.content__title {
  font-size: 100px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
}

.content__description {
  font-size: 18px;
  font-weight: 400;
  text-align: center;
  margin-bottom: 60px;
}

.content__social {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.content__social-link {
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 76px;
  width: 76px;
  height: 76px;
  background-color: #285f5e;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.content__social-link:hover {
  background-color: #164948;
}

.footer {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.footer__top {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 70px;
  width: 100%;
  background-color: #285f5e;
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 36px;
  background-color: #164948;
  font-size: 14px;
  line-height: 16px;
  color: #91b5b4;
  gap: 40px;
}

@media screen and (max-width: 768px) {
  .main::before {
    background-size: cover;
  }

  .header {
    height: 120px;
  }

  .header__logo {
    width: 200px;
    margin-right: calc(50% - 150px);
  }

  .content {
    margin: 50px 20px auto 20px;
    padding: 0 0 50px 0;
  }

  .content__title {
    font-size: 50px;
  }

  .content__social-link {
    min-width: 50px;
    width: 50px;
    height: 50px;
  }

  .footer__top {
    padding: 50px;
  }

  .footer__bottom {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    gap: 20px;
    padding: 20px;
  }
}