body {
  font-family: "Rounded Mplus 1c", "Hiragino Maru Gothic ProN", "Yu Gothic",
    "Arial", sans-serif;
  background: linear-gradient(180deg, #f7fbff 0%, #ffffff 100%);
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

.header {
  background: linear-gradient(90deg, #e3f2fd 0%, #ffffff 100%);
  color: #90caf9;
  padding: 4% 0 2.5% 0;
  text-align: center;
  border-bottom-left-radius: 48px;
  border-bottom-right-radius: 48px;
  box-shadow: 0 6px 32px 0 #b3d8ff33, 0 0 60px 10px #fff8;
}

.nav ul {
  list-style-type: none;
  padding: 0;
}

.nav ul li {
  display: inline-block;
  margin: 0 1.5rem;
}

.nav ul li a {
  color: #90caf9;
  background: rgba(255, 255, 255, 0.95);
  padding: 0.8em 2em;
  border-radius: 32px;
  text-decoration: none;
  box-shadow: 0 2px 12px 0 #b3d8ff22, 0 0 24px 2px #fff6;
  font-weight: bold;
  font-size: 1.15em;
  letter-spacing: 0.04em;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}

.nav ul li a:hover {
  background: #e3f2fd;
  color: #fff;
  box-shadow: 0 4px 24px 0 #90caf966, 0 0 40px 6px #fff8;
}

section,
.contact-form {
  background: rgba(255, 255, 255, 0.98);
  border-radius: 36px;
  box-shadow: 0 4px 32px 0 #b3d8ff22, 0 0 60px 10px #fff8;
  padding: 2.5rem 2rem;
  margin-bottom: 2.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.footer {
  text-align: center;
  padding: 2.5rem 0;
  background: linear-gradient(90deg, #e3f2fd 0%, #ffffff 100%);
  color: #90caf9;
  border-radius: 60px 60px 0 0;
  box-shadow: 0 -8px 32px 8px #b3d8ff44, 0 0 60px 10px #fff8;
  position: fixed;
  width: 100%;
  bottom: 0;
  font-size: 1.1em;
  letter-spacing: 0.05em;
}

@media (max-width: 600px) {
  .header,
  .footer {
    padding: 1.2rem;
    border-radius: 0;
  }
  .nav ul li {
    display: block;
    margin: 0.7rem 0;
  }
  section,
  .contact-form {
    max-width: 98vw;
    padding: 1.2rem 0.7rem;
    border-radius: 30px;
  }
}