body {
  margin: 0;
  font-family: "Stack Sans Headline", sans-serif;
  background: #f5f5f5;
  color: #333;
  scroll-behavior: smooth;
}


header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #1a1a1a;
  padding: 15px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
}


footer {
  background: #1a1a1a;
  color: white;
  text-align: center;
  padding: 20px 0;
  margin-top: 40px;
}


.nav-left, .nav-right {
  width: 33%;
  display: flex;
  justify-content: center;
}


.logo {
  color: white;
  font-size: 24px;
  font-weight: 600;
  width: 33%;
  text-align: center;
}


.logo span {
color: red;
}


.nav-button {
  color: white;
  text-decoration: none;
  font-size: 16px;
  cursor: pointer;
  transition: opacity 0.3s;
}


.nav-button:hover {
  opacity: 0.7;
  text-decoration: underline;
}


section {
  padding: 120px 20px;
  min-height: 100vh;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s ease-out, transform 1s ease-out;
}


section.visible {
  opacity: 1;
  transform: translateY(0);
}