@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600&display=swap");
:root {
  --header-height: 3.5rem;
  --body-font: "Montserrat", sans-serif;
  --black-color: hsl(220, 24%, 12%);
  --black-color-light: hsl(220, 24%, 15%);
  --black-color-lighten: hsl(220, 24%, 18%);
  --white-color: #fff;
  --body-color: hsl(220, 100%, 97%);
  --normal-font-size: 0.938rem;
  --font-regular: 400;
  --font-semi-bold: 600;
  --z-tooltop: 10;
  --z-fixed: 100;
}
@media screen and (min-width: 1024px) {
  :root {
    --normal-font-size: 1rem;
  }
}
* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
body {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  background-color: var(--body-color);
}
ul {
  list-style: none;
}
a {
  text-decoration: none;
}
.container {
  max-width: 1120px;
  margin-inline: 1.5rem;
}
.header {
  position: fixed;
  background: transparent;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--black-color);
  box-shadow: 0 2px 16px hsla(220, 32%, 8%, 0.3);
  z-index: var(--z-fixed);
}
.nav {
  height: var(--header-height);
}
.nav__logo,
.nav__burger,
.nav__close {
  color: var(--white-color);
}
.nav__logo img {
  display: inline-flex;
  align-items: center;
  column-gap: 0.25rem;
  width: 120px;
  height: 50px;
}
.nav__data {
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav__toggle {
  position: relative;
  width: 32px;
  height: 32px;
}
.nav__burger,
.nav__close {
  position: absolute;
  width: max-content;
  height: max-content;
  inset: 0;
  margin: auto;
  font-size: 1.25rem;
  cursor: pointer;
  transition: opacity 0.1s, transform 0.4s;
}
.nav__close {
  opacity: 0;
}
@media screen and (max-width: 1118px) {
  .nav__menu {
    position: absolute;
    left: 0;
    top: 2.5rem;
    width: 100%;
    background-color: gray;
    height: calc(100vh - 3.5rem);
    overflow: auto;
    pointer-events: none;
    opacity: 0;
    transition: top 0.4s, opacity 0.3s;
  }
  .nav__menu::-webkit-scrollbar {
    width: 0;
  }
  .nav__list {
    background-color: var(--black-color);
    padding-top: 1rem;
  }
}
.nav__link {
  color: var(--white-color);
  background-color: var(--black-color);
  font-weight: var(--font-semi-bold);
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s;
}
.nav__link:hover {
  background-color: var(--black-color-light);
}
.show-menu {
  opacity: 1;
  top: 3.5rem;
  pointer-events: initial;
}
.show-icon .nav__burger {
  opacity: 0;
  transform: rotate(90deg);
}
.show-icon .nav__close {
  opacity: 1;
  transform: rotate(90deg);
}
.dropdown_item {
  cursor: pointer;
}
.dropdown__arrow {
  font-size: 1.25rem;
  font-weight: initial;
  transition: transform 0.4s;
}
.dropdown__link {
  padding: 1.25rem 1.25rem 1.25rem 2.5rem;
  color: var(--white-color);
  background-color: var(--black-color-light);
  display: flex;
  align-items: center;
  column-gap: 0.5rem;
  font-weight: var(--font-semi-bold);
  transition: background-color 0.3s;
}
.dropdown__link i {
  font-size: 1.25rem;
  font-weight: initial;
}
.dropdown__link:hover {
  background-color: var(--black-color);
}
.dropdown__menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-in-out;
}
.dropdown__item:hover .dropdown__menu {
  max-height: 1000px;
  transition: max-height 0.4s ease-in;
}
.dropdown__item:hover .dropdown__arrow {
  transform: rotate(180deg);
} /* küçük ekran */
@media screen and (max-width: 340px) {
  .container {
    margin-inline: 1rem;
  }
  .nav__link {
    padding-inline: 1rem;
  }
} /* büyük ekran */
@media screen and (min-width: 1118px) {
  .container {
    margin-inline: auto;
  }
  .nav {
    height: calc(var(--header-height) + 2rem);
    display: flex;
    justify-content: space-between;
  }
  .nav__toggle {
    display: none;
  }
  .nav__list {
    height: 100%;
    display: flex;
    column-gap: 3rem;
  }
  .nav__link {
    height: 100%;
    padding: 0;
    justify-content: initial;
    column-gap: 0.25rem;
  }
  .nav__link:hover {
    background-color: transparent;
  }
  .dropdown__item {
    position: relative;
  }
  .dropdown__menu {
    max-height: initial;
    overflow: initial;
    position: absolute;
    left: 0;
    top: 6rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, top 0.3s;
  }
  .dropdown__link {
    white-space: nowrap;
    padding-inline: 1rem 3.5rem;
  }
  .dropdown__item:hover .dropdown__menu {
    top: 5.5rem;
    opacity: 1;
    pointer-events: initial;
    transition: top 0.3s;
  }
}
.footer {
  background: #0f0b2b;
  color: #dcd9ff;
  padding-top: 4rem;
}
.footer__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 3rem;
}
.footer__logo {
  width: 140px;
  margin-bottom: 15px;
}
.footer__brand p {
  font-size: 0.95rem;
  line-height: 1.6;
  opacity: 0.9;
}
.footer h4 {
  color: #fff;
  margin-bottom: 1.2rem;
}
.footer__links ul,
.footer__contact ul {
  list-style: none;
  padding: 0;
}
.footer__links li,
.footer__contact li {
  margin-bottom: 0.7rem;
}
.footer__links a {
  color: #dcd9ff;
  text-decoration: none;
  transition: color 0.3s;
}
.footer__links a:hover {
  color: #ffcc00;
}
.footer__contact i {
  margin-right: 0.5rem;
  color: #ffcc00;
}
.footer__social {
  margin-top: 1rem;
  display: flex;
  gap: 0.75rem;
}
.footer__social a {
  font-size: 1.4rem;
  color: #dcd9ff;
  transition: transform 0.3s, color 0.3s;
}
.footer__social a:hover {
  color: #ffcc00;
  transform: translateY(-3px);
}
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 3rem;
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.8;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Montserrat", sans-serif;
}
body {
  background: #f9f9f9;
  color: #333;
}
.container {
  max-width: 1200px;
  margin: auto;
  padding: 0 20px;
}

.section-title {
  text-align: center;
  font-size: 48px;
  font-weight: 700;
  margin: 120px 0 100px;
  background: linear-gradient(90deg, #6a5acd, #ff7a00);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.vision-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  margin-bottom: 120px;
}

.vision-row.reverse {
  flex-direction: row-reverse;
}

.vision-image img {
  width: 100%;
  max-width: 480px;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.vision-content {
  max-width: 520px;
}

.vision-content h3 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 20px;
}

.vision-content p {
  font-size: 18px;
  line-height: 1.8;
}

.fade-section {
  opacity: 0;
  transform: translateY(60px);
  transition: all 0.9s ease;
}

.fade-section.show {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 901px) {
  .vision-row.fade-section {
    transform: translateX(-80px);
  }

  .vision-row.reverse.fade-section {
    transform: translateX(80px);
  }

  .vision-row.show {
    transform: translateX(0);
  }
}

@media (max-width: 900px) {
  .vision-row,
  .vision-row.reverse {
    flex-direction: column;
    text-align: center;
  }

  .section-title {
    font-size: 34px;
    margin-bottom: 60px;
  }

  .vision-content h3 {
    font-size: 28px;
  }
  .vision-content p {
    font-size: 16px;
  }
}
@media screen and (max-width: 1117px) {
  .dropdown__menu {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.4s ease, opacity 0.3s ease;
 
  }

  .dropdown__item.is-open .dropdown__menu {
    max-height: 1000px; 
    opacity: 1;
    pointer-events: auto; 
  }


  .dropdown__item.is-open .dropdown__arrow {
    transform: rotate(180deg);
  
}}