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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Dört bölümlü arka plan */
body::before,
body::after {
  content: "";
  position: fixed;
  width: 50%;
  height: 50%;
}

body::before {
  background: linear-gradient(
    to right,
    #f38002 50%,
    /* Sol üst - Kırmızımsı turuncu */ #312781 50% /* Sağ üst - Turkuaz */
  );
  top: 0;
  left: 0;
  width: 100%;
}

body::after {
  background: linear-gradient(
    to right,
    #e20378 50%,
    /* Sol alt - Mavi */ #049ce7 50% /* Sağ alt - Turuncu */
  );
  bottom: 0;
  left: 0;
  width: 100%;
}

.container {
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.9);
  padding: 3rem;
  border-radius: 20px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
  max-width: 600px;
  width: 90%;
  text-align: center;
}

.logo {
  width: 200px;
  margin-bottom: 2rem;
}

h1 {
  color: #333;
  margin-bottom: 1.5rem;
}

p {
  color: #666;
  margin: 1rem 0;
  font-size: 1.2rem;
}

.contact {
  margin-top: 2rem;
  color: #2196f3;
}

@media (max-width: 480px) {
  .container {
    margin: 20px;
    padding: 1.5rem;
    width: calc(100% - 40px);
  }

  .logo {
    width: 150px;
  }

  h1 {
    font-size: 1.5rem;
  }

  p {
    font-size: 1rem;
  }
}