:root {
  --purple: #4a148c;
  --turquoise: #00b8a9;
  --bg: #0d0d0f;
  --text: #e0e0e0;
}

body {
  font-family: "Poppins", sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  overflow-x: hidden;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 50px;
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 1000;
}

header .logo a {
  text-decoration: none;
  color: var(--turquoise);
  font-size: 1.8em;
  font-weight: 600;
  transition: color 0.3s ease;
}

header nav a {
  text-decoration: none;
  margin-left: 25px;
  color: var(--text);
  transition: color 0.3s ease;
}

header nav a:hover,
header nav .active {
  color: var(--turquoise);
}

main {
  text-align: center;
  margin-top: 80px;
  padding: 0 20px;
}

h1 span {
  color: var(--turquoise);
}

.btn {
  display: inline-block;
  margin-top: 20px;
  background: var(--turquoise);
  color: #fff;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  transition: transform 0.3s ease, background 0.3s ease;
}

.btn:hover {
  transform: translateY(-4px);
  background: var(--purple);
}

footer {
  text-align: center;
  padding: 30px;
  font-size: 0.9em;
  color: #888;
}

/* Animations */
.fade-in {
  animation: fadeIn 1.2s ease both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(25px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Form */
form {
  display: flex;
  flex-direction: column;
  max-width: 400px;
  margin: 40px auto;
}

input,
textarea {
  margin-bottom: 15px;
  padding: 10px;
  border: none;
  border-radius: 6px;
  background: #1a1a1a;
  color: var(--text);
  resize: none;
}