body {
  margin: 0;
  font-family: Arial, sans-serif;
  min-height: 100vh;
  position: relative;
}

nav {
  background-color: white;
  padding: 35px 30px;
}

nav ul {
  list-style: none;
  display: flex;
  margin: 0;
  padding: 0;
  gap: 25px;
}

nav ul {
  float: right;
  margin-right: 70px;
  margin-top: 10px;
}

nav ul li .nav_a {
  position: relative;
  color: black;
  margin-right: 30px;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s;
}

.nav_a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 2px;
  background-color: #2d4af1;
  transition: width 0.3s ease-in-out;
}

.nav_a:hover::after {
  width: 100%;
}

nav ul li .nav_a:hover {
  color: #2d4af1;
}

header img {
  float: left;
  margin-top: -10px;
  font-family: Arial, Helvetica, sans-serif;
}

.head-text {
  background-color: #e7e7e7;
  padding: 10px;
  color: #757575;
  font-size: 17px;
}

#loading-screen {
  position: fixed;
  width: 100%;
  height: 100%;
  background-color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.hidden {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease;
}

body.loaded #loading-screen {
  opacity: 0;
  visibility: hidden;
}

.slider-container {
  position: relative;
  width: 100%;
  max-width: 800px;
  height: 400px;
  margin: 40px auto;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.4);
}
.slider {
  display: flex;
  transition: transform 0.5s ease-in-out;
}
.slide {
  min-width: 100%;
  height: 400px;
}
.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.arrow-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  background: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  padding: 7px;
  cursor: pointer;
  z-index: 10;
  border-radius: 50%;
  transition: background 0.3s;
}
.arrow-btn:hover {
  background: rgba(0, 0, 0, 0.8);
}
#prev {
  left: 10px;
}
#next {
  right: 10px;
}

.add-1 {
  background-color: #2d4af1;
  padding: 10px;
  font-size: 30px;
  color: white;
  margin-top: 200px;
}

#counter {
  transition: all 0.1s ease;
}

.head-text-theme {
  color: #919191;
  font-size: 25px;
  float: right;
  margin-right: 20px;
  margin-top: -4px;
  transition: color 0.3s ease;
  background: none;
  border: none;
}

.head-text-theme:hover {
  color: #f1a92d;
}

.head-text-insta {
  color: #919191;
  font-size: 25px;
  float: right;
  margin-right: 20px;
  margin-top: -4px;
  transition: color 0.3s ease;
  transition: transform 0.5s ease;
}

.head-text-insta:hover {
  transform: rotate(360deg);
  color: #ea2df1;
}

.head-text-facebook {
  color: #919191;
  font-size: 25px;
  float: right;
  margin-right: 20px;
  margin-top: -4px;
  transition: color 0.3s ease;
  transition: transform 0.5s ease;
}

.head-text-facebook:hover {
  color: #3a58ff;
  transform: rotate(360deg);
}

.head-text-location {
  color: #919191;
  font-size: 25px;
  float: right;
  margin-right: 50px;
  margin-top: -4px;
  transition: color 0.3s ease;
  transition: transform 0.5s ease;
}

.head-text-location:hover {
  color: red;
  transform: rotate(360deg);
}

.testimonials-section {
  margin-top: 300px;
}

.testimonials-section {
  padding: 60px 20px;
  background: #e4e4e4;
  text-align: center;
  border-radius: 50px;
}

.testimonials-section h2 {
  font-size: 32px;
  margin-bottom: 40px;
  color: #2c3e50;
}

.testimonials {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
}

.testimonial {
  background: #f1f1f1;
  border-radius: 12px;
  padding: 20px;
  max-width: 300px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.testimonial:hover {
  transform: translateY(-5px);
}

.testimonial p {
  font-style: italic;
  color: #333;
}

.testimonial .author {
  margin-top: 15px;
  font-weight: bold;
  color: #2c3e50;
}

.testimonial .rating {
  color: gold;
  font-size: 18px;
  margin-top: 10px;
}

.islerimizden-kareler-title {
  margin-top: 220px;
  font-size: 35px;
  color: #2d4af1;
}

.kareler {
  padding: 50px;
}

.call-we {
  margin-top: 200px;
  color: #2d4af1;
}

.call {
  padding: 20px 30px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  background-color: #2d4af1;
  border: none;
  outline: none;
  border-radius: 40px;
  font-size: 22px;
  color: white;
  cursor: pointer;
  transition: 300ms all;
  width: 500px;
}

.call:hover {
  background-color: #2036b4;
  font-size: 25px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar {
  background-color: white;
  width: 14px;
}

::-webkit-scrollbar-thumb {
  background-color: #2d4af1;
  border-radius: 40px;
}

.container {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.kutu {
  width: 210px;
  height: 100px;
  background-color: #e0e0e0;
  border-radius: 12px;
  display: flex;
  align-items: center;
  padding: 15px;
  color: #333;
  font-family: Arial, sans-serif;
  cursor: pointer;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  transition: background-color 0.3s ease;
}

.kutu:hover {
  background-color: #919191;
}

.ikon-user {
  margin-left: 20px;
  font-size: 40px;
  margin-right: 15px;
  color: #1a32b8;
  flex-shrink: 0;
}

.ikon-ofis {
  margin-left: 35px;
  font-size: 40px;
  margin-right: 15px;
  color: #1a32b8;
  flex-shrink: 0;
}

.ikon-yil {
  margin-left: 30px;
  font-size: 40px;
  margin-right: 15px;
  color: #1a32b8;
  flex-shrink: 0;
}

.yazi {
  font-size: 30px;
  font-weight: bold;
}

.the-context {
  position: relative;
  text-decoration: none;
  list-style: none;
  font-size: 20px;
  font-weight: bold;
  transition: color 0.3s;
}

.footer-cakma {
  margin-top: 100px;
  background-color: #2c3e50;
  height: 300px;
}

.footer-cakma img {
  float: left;
  margin-left: 20px;
  margin-top: 20px;
}

.footer-cakma .yonlendirme ul {
  list-style: none;
  display: block;
  margin: 0;
  padding: 0;
  margin-left: 400px;
}

.footer-cakma .yonlendirme ul li .footer-a {
  color: white;
  text-decoration: none;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-cakma .yonlendirme ul li {
  margin-top: 5px;
}

.footer-cakma .yonlendirme h4 {
  color: white;
  margin-left: 400px;
  padding-top: 50px;
}

.footer-cakma .social-media ul {
  list-style: none;
  display: block;
  margin: 0;
  padding: 0;
  gap: 25px;
  float: right;
  margin-right: 50px;
  margin-top: -140px;
}

.footer-cakma .social-media ul li .footer-a {
  color: white;
  text-decoration: none;
}

.footer-cakma .social-media ul li i {
  margin-right: 10px;
}

.footer-cakma .social-media ul li .ikon-fb {
  color: #3a58ff;
}

.footer-cakma .social-media ul li {
  margin-top: 10px;
}

.footer-cakma .social-media ul li .ikon-insta {
  color: #ff3aef;
}

.footer-cakma .social-media ul li .ikon-location {
  color: red;
}

.footer-cakma .social-media h4 {
  color: white;
  display: block;
  float: right;
  margin-right: 350px;
  margin-top: -175px;
}

.footer-cakma h3 {
  color: white;
}

.menu-button {
  border: none;
  background: none;
}

@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    align-items: flex-start;
    margin-right: 20px;
    gap: 15px;
  }

  nav {
    padding: 20px;
  }

  .add-1 {
    line-height: 37px;
  }


  .slider-container {
    height: 250px;
  }

  .slide {
    height: 250px;
  }

  .arrow-btn {
    font-size: 1.5rem;
    padding: 8px;
  }

  .add-1 {
    font-size: 20px;
    margin-top: 100px;
    padding: 8px;
  }

  .islerimizden-kareler-title {
    margin-top: 120px;
    font-size: 26px;
    text-align: center;
  }

  .call-we {
    margin-top: 100px;
    font-size: 18px;
    text-align: center;
  }

  .call {
    font-size: 18px;
    width: 90%;
    padding: 15px 20px;
  }

  .container {
    flex-direction: column;
    align-items: center;
  }

  .kutu {
    width: 90%;
    height: auto;
    flex-direction: row;
    justify-content: start;
    padding: 10px;
  }

  .yazi {
    font-size: 22px;
  }

  .footer-cakma {
    height: auto;
    padding: 20px;
  }

  .footer-cakma img {
    float: none;
    display: block;
    margin: 0 auto 20px auto;
    max-width: 150px;
  }

  .footer-cakma .yonlendirme h4,
  .footer-cakma .yonlendirme ul {
    margin-left: 0;
    text-align: center;
  }

  .footer-cakma .yonlendirme ul {
    padding-left: 0;
  }

  .footer-cakma .social-media h4 {
    float: none;
    margin: 20px auto 10px auto;
    text-align: center;
  }

  .footer-cakma .social-media ul {
    float: none;
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 0 auto;
    padding: 0;
    flex-wrap: wrap;
  }

  .footer-cakma .social-media ul li {
    margin: 10px;
  }

  .testimonials-section {
    margin-top: 150px;
    padding: 40px 10px;
  }

  .testimonial {
    max-width: 90%;
  }

  .footer-cakma .yonlendirme ul,
  .footer-cakma .yonlendirme h4 {
    margin: 0 auto;
    text-align: center;
  }

  .footer-cakma .social-media ul {
    justify-content: center;
    padding: 10px 0;
  }

  .footer-cakma .social-media h4 {
    margin-top: 20px;
  }

  .kutu {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    padding: 10px 15px;
  }

  .ikon-user,
  .ikon-ofis,
  .ikon-yil {
    font-size: 30px;
    margin: 0 10px 0 0;
  }

  .yazi {
    font-size: 20px;
  }

  .slider-container {
    height: auto;
    aspect-ratio: 4 / 3;
  }

  .slide {
    height: auto;
  }

  .slide img {
    height: auto;
    object-fit: contain;
  }

  nav ul {
    flex-direction: column;
    align-items: flex-start;
    margin-right: 0;
    padding-left: 10px;
    gap: 10px;
    float: none;
  }

  nav ul li {
    width: 100%;
  }

  nav ul li .nav_a {
    display: block;
    width: 100%;
    padding: 10px 0;
  }

  .head-text {
    font-size: 15px;
    padding: 8px;
    text-align: center;
  }
}

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

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

.slider-container .slider .slide {
  height: 2;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  padding: 10px 20px;
  background-color: white;
}

nav ul {
  display: flex;
  gap: 20px;
  list-style: none;
}

.menu-btn {
  display: none;
  font-size: 30px;
  cursor: pointer;
}

@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    width: 100%;
    display: none;
    background-color: white;
    padding: 10px;
  }

  nav ul.active {
    display: flex;
  }

  .menu-btn {
    display: block;
  }

  .head-text-insta {
    display: none;
  }
  .head-text-facebook {
    display: none;
  }
  .head-text-location {
    display: none;
  }
  .head-text-theme {
    display: none;
  }

}
.kareler {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}

.kareler img {
  width: 90%;
  max-width: 350px;
}

@media (max-width: 768) {
  .head-text {
    font-size: 20px;
    text-align: center;
  }

  .call-we {
    font-size: 20px;
  }

  .call {
    font-size: 18px;
    padding: 10px 20px;
  }

  .testimonials {
    padding: 0 10px;
  }

  .testimonial {
    margin-bottom: 20px;
  }
}