body {
  margin: 0;
  font-family: 'Fira Code', monospace;
  background: linear-gradient(180deg, #250047 0%, #1b0033 100%);
  overflow-x: hidden;
  min-height: 100vh;
  color: #F9F6EF;
  box-sizing: border-box;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 40px;
  padding: 20px 40px;
  background-color: transparent;
  position: fixed;
  width: 100%;
  z-index: 10;
}

.navbar .logo {
  margin: 0;
  display: flex;
  align-items: center;
}

.navbar .logo img {
  transition: all 0.3s ease;
  border-radius: 10px;
  height: 100px;
  width: auto;
}

.navbar .logo img:hover {
  transform: scale(1.1);
  box-shadow: 0 0 15px #00ffcc, 0 0 30px #00ffcc;
}

.navbar nav {
  flex-grow: 1;
  display: flex;
  justify-content: center;
}

.navbar ul {
  list-style: none;
  display: flex;
  gap: 50px;
  margin: 0;
  padding: 0;
  font-size: 20px;
}

.navbar ul li a {
  text-decoration: none;
  color: white;
  font-weight: 300;
  transition: all 0.3s ease;
}

.navbar ul li a.active,
.navbar ul li a:hover {
  color: hsl(138, 88%, 40%);
  transform: scale(1.08);
  text-shadow: 0 0 3px lch(56.13% 71.72 141.91);
}

html {
  scroll-behavior: smooth;
}

#anasayfa {
  height: 100vh;
  background-color: #1b0033;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px;
}

#anasayfa h2 {
  font-size: 48px;
  margin-bottom: 20px;
}

#anasayfa p {
  font-size: 24px;
  max-width: 600px;
}

#hakkimda {
  height: 100vh;
  background-color: #220044;
  padding: 100px 20px;
  text-align: center;
}

#hakkimda h2 {
  font-size: 40px;
  margin-bottom: 20px;
}

#hakkimda p {
  font-size: 20px;
  max-width: 800px;
  margin: 0 auto;
}

#calismalar {
  height: 100vh;
  background-color: #29005a;
  padding: 100px 20px;
  text-align: center;
}

#calismalar h2 {
  font-size: 40px;
  margin-bottom: 20px;
}

#calismalar p {
  font-size: 20px;
  margin-bottom: 20px;
}

#calismalar a {
  color: #00ffcc;
  text-decoration: none;
  font-size: 18px;
  border: 1px solid #00ffcc;
  padding: 10px 20px;
  border-radius: 5px;
  transition: background 0.3s;
}

#calismalar a:hover {
  background: #00ffcc;
  color: #000;
}

#Deneyimler {
  height: 100vh;
  background-color: #1c002e;
  padding: 100px 20px;
  text-align: center;
}

#Deneyimler h2 {
  font-size: 40px;
  margin-bottom: 20px;
}

#Deneyimler p {
  font-size: 20px;
  max-width: 800px;
  margin: 0 auto;
}

#sertifikalar {
  height: 100vh;
  background-color: #2d004d;
  padding: 100px 20px;
  text-align: center;
  color: #F9F6EF;
}

#sertifikalar h2 {
  font-size: 40px;
  margin-bottom: 20px;
}

#sertifikalar p {
  font-size: 20px;
  margin-bottom: 30px;
}

.cert-single {
  display: inline-block;
  background-color: #3a005e;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s, box-shadow 0.3s;
}

.cert-single:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(0, 255, 140, 0.4);
}

.cert-single img {
  max-width: 300px;
  height: auto;
  border-radius: 5px;
}

.cert-single p {
  margin-top: 15px;
  font-size: 18px;
}

@media (max-width: 768px) {
  #sertifikalar {
    height: auto;
    padding: 60px 20px;
  }

  .cert-single {
    display: block;
    margin: 0 auto 20px auto;
    width: 90%;
    max-width: 320px;
  }

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

#iletisim {
  height: auto;
  background-color: #140022;
  padding: 100px 20px;
  text-align: center;
  color: #F9F6EF;
  font-family: 'Fira Code', monospace;
}

#iletisim h2 {
  font-size: 40px;
  margin-bottom: 20px;
}

#iletisim p {
  font-size: 20px;
  margin-bottom: 30px;
}

#iletisim form {
  max-width: 500px;
  margin: 0 auto;
  text-align: left;
}

#iletisim label {
  font-size: 18px;
}

#iletisim input,
#iletisim textarea {
  width: 100%;
  padding: 10px;
  margin-top: 6px;
  border: none;
  border-radius: 5px;
  box-sizing: border-box;
  font-family: 'Fira Code', monospace;
  font-size: 16px;
  resize: vertical;
}

#iletisim button {
  background-color: hsl(138, 88%, 40%);
  color: white;
  padding: 12px 20px;
  border: none;
  border-radius: 6px;
  font-size: 18px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  display: block;
  margin: 20px auto 0 auto;
}

#iletisim button:hover {
  background-color: hsl(138, 88%, 30%);
}

footer {
  background-color: #1f003f;
  padding: 40px 20px;
  text-align: center;
  transition: none;
}

.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 100px 20px 20px 20px;
  position: relative;
}

.title {
  font-size: 90px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 2px;
  margin: 0;
  color: rgba(255, 255, 255, 0.1);
  position: absolute;
  top: 30%;
  z-index: 0;
}

.scroll {
  margin-top: 40px;
  font-size: 14px;
  color: #ccc;
  z-index: 2;
}

.star {
  position: absolute;
  transform-style: preserve-3d;
  color: red;
  pointer-events: none;
  z-index: 9999;
}

.star::before {
  content: "✦";
  color: inherit;
  position: absolute;
  inset: 0;
  text-shadow: 0 0 0.8em #fff5;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 25px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  box-sizing: border-box;
  z-index: 20;
}

.hamburger span {
  width: 100%;
  height: 3px;
  background-color: white;
  border-radius: 2px;
  transition: all 0.3s linear;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .navbar {
    flex-wrap: wrap;
    padding: 10px 20px;
    gap: 20px;
  }

  .navbar .logo {
    margin-bottom: 10px;
  }

  .navbar .logo img {
    height: 60px;
    width: auto;
  }

  .navbar nav {
    position: fixed;
    top: 70px;
    right: 0;
    height: calc(100vh - 70px);
    width: 250px;
    background-color: #220044;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    padding-top: 20px;
    box-shadow: -4px 0 12px rgba(0,0,0,0.4);
    z-index: 15;
    flex-grow: 0;
    justify-content: flex-start;
  }

  .navbar nav.active {
    transform: translateX(0);
  }

  .navbar ul {
    flex-direction: column;
    gap: 20px;
    font-size: 18px;
    padding-left: 20px;
    margin: 0;
  }

  .navbar ul li a {
    display: block;
    padding: 12px 8;
    color: white;
    font-weight: 500;
    border-bottom: 1px solid #3a005e;
    transition: background-color 0.3s ease, color 0.3s ease;
  }

  .navbar ul li a:hover,
  .navbar ul li a.active {
    background-color: hsl(138, 88%, 40%);
    color: #fff;
    border-bottom: none;
  }

  .hamburger {
    display: flex;
  }
}