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

/* Hamburger menu */
.menu-toggle {
  display: none;
  font-size: 2rem;
  cursor: pointer;
  color: #00ffc6;
  user-select: none;
}

/* Default nav (desktop) */
.site-header nav ul {
  display: flex;
  justify-content: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 1rem 0;
}

/* Responsive: mobile */
@media (max-width: 600px) {
  .menu-toggle {
    display: block;
    position: absolute;
    width: 100%;
    top: 1rem;
    left: 0;
    text-align: center;

  }

  #nav-links {
    display: none;
    flex-direction: column;
    background: rgba(10, 10, 30, 0.95);
    position: absolute;
    width: 100%;
    top: 100%;
    left: 0;
    text-align: center;
    padding: 1rem 0;
    box-shadow: 0 0 15px rgba(0, 255, 200, 0.3);
  }

  #nav-links li {
    margin: 0.8rem 0;
  }

  #nav-links li a {
    font-size: 1.1rem;
  }
}

/* Show menu when active */
#nav-links.active {
  display: flex;
}

body {
  font-family: "Segoe UI", Roboto, sans-serif;
  background: #0a0a0a;
  color: #e0e0e0;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  overflow-x: hidden;
  padding-top: 80px;
}

.background {
  position: fixed;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, #1a1a1a 0%, #000000 100%);
  animation: moveBg 30s linear infinite;
  z-index: -1;
}

@keyframes moveBg {
  0% { transform: translate(0, 0); }
  50% { transform: translate(-25%, -25%); }
  100% { transform: translate(0, 0); }
}

.profile-card {
  background: rgba(20, 20, 30, 0.9);
  padding: 1.5rem;
  border-radius: 20px;
  max-width: 95%;
  width: 600px;
  text-align: center;
  box-shadow: 0 0 20px rgba(0, 255, 200, 0.3);
  backdrop-filter: blur(10px);
  animation: fadeIn 1.5s ease;
  margin: 1rem;
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.avatar {
  border-radius: 50%;
  margin-bottom: 1rem;
  box-shadow: 0 0 15px rgba(0, 255, 200, 0.6);
  transition: transform 0.3s ease;
  width: 120px;
  height: 120px;
}
.avatar:hover {
  transform: scale(1.05);
}

h1 {
  font-size: 1.8rem;
  margin-bottom: 0.3rem;
  color: #00ffc6;
  text-shadow: 0 0 5px #00ffc6;
}

.pronunciation {
  color: #888;
  font-style: italic;
  margin-bottom: 1rem;
}

.bio {
  margin-bottom: 1.5rem;
  line-height: 1.5;
  text-align: center;
  font-size: 0.95rem;
}

section {
  margin-bottom: 1.5rem;
}

h2 {
  margin-bottom: 0.5rem;
  color: #00ffc6;
  border-bottom: 1px solid #00ffc6;
  display: inline-block;
  padding-bottom: 0.2rem;
}

ul {
  list-style: none;
  margin-top: 0.5rem;
}

ul li {
  margin: 0.3rem 0;
}

a {
  color: #00ffc6;
  text-decoration: none;
  transition: color 0.3s ease;
}
a:hover {
  color: #fff;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 10, 30, 0.95);
  backdrop-filter: blur(8px);
  box-shadow: 0 0 15px rgba(0, 255, 200, 0.3);
  z-index: 10;
}

.site-header nav ul {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 0.8rem 0;
  list-style: none;
  margin: 0;
  gap: 1rem;
}

.site-header nav ul li a {
  text-decoration: none;
  color: #00ffc6;
  font-weight: bold;
  font-size: 0.95rem;
  transition: 0.3s;
}

.site-header nav ul li a:hover {
  color: #fff;
  text-shadow: 0 0 8px #00ffc6;
}

@media (min-width: 600px) {
  .site-header nav ul {
    flex-direction: row;
    gap: 2rem;
    padding: 1rem 0;
  }
  .avatar {
    width: 250px;
    height: 250px;
  }
  h1 {
    font-size: 2rem;
  }
  .bio, section ul li {
    font-size: 1rem;
  }
}