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

body, html {
  height: 100%;
  scroll-behavior: smooth;
  font-family: Arial, sans-serif;
}

header {
  background: rgba(0, 0, 0, 0.6);
  color: white;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  transition: background 0.3s ease;
}

header.sticky {
  background: rgba(0, 0, 0, 0.9);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-list li a {
  color: white;
  text-decoration: none;
}

.menu-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  .nav-list {
    display: none;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.85);
    position: absolute;
    right: 0;
    top: 60px;
    width: 200px;
    padding: 1rem;
  }
  .nav-list.active {
    display: flex;
  }
}

/* Section styles */
section.parallax {
  height: 100vh;
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Section content styling + animations */
.section-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  padding: 2rem;
  color: white;
}

.section-content h1, .section-content h3 {
  opacity: 0;
  transform: translateY(20px);
  animation-fill-mode: forwards;
}

.fade-in-delay-1 {
  animation: fadeInUp 0.8s ease-out 0.3s forwards;
}

.fade-in-delay-2 {
  animation: fadeInUp 0.8s ease-out 0.8s forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Alignment classes */
.animate-left {
  text-align: left;
  align-items: flex-start;
}

.animate-right {
  text-align: right;
  align-items: flex-end;
}

.animate-top {
  text-align: center;
  align-items: center;
  justify-content: flex-start;
}

.animate-bottom {
  text-align: center;
  align-items: center;
  justify-content: flex-end;
}