body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #f5f7fa;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  flex-direction: column;
  padding-top: 80px; /* offset for navbar */
  box-sizing: border-box;
}

.walkthrough {
  margin-bottom: 20px;
  font-size: 1rem;
  color: #333;
  text-align: center;
  padding: 0 10px;
}

.walkthrough a {
  color: #1d4ed8;
  font-weight: 500;
  text-decoration: none;
}

form {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  border: 1px solid rgba(200, 200, 200, 0.2);
  border-radius: 20px;
  padding: 30px 40px;
  width: 90%;
  max-width: 350px;
  text-align: center;
  transition: all 0.3s ease-in-out;
}

form h2 {
  color: #111827;
  margin-bottom: 20px;
  font-size: 1.3rem;
}

input {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  transition: border 0.2s ease;
  box-sizing: border-box;
}

input:focus {
  border-color: #6366f1;
  outline: none;
}

button {
  background-color: #facc15;
  color: #111;
  padding: 12px 0;
  width: 100%;
  border: none;
  border-radius: 8px;
  font-weight: bold;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}

button:hover {
  background-color: #fbbf24;
}

/* Navbar */
.navbar {
  width: 100%;
  background-color: #ffffffcc;
  backdrop-filter: blur(10px);
  padding: 12px 24px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
}

.nav-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.nav-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1e293b;
}

.nav-links {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.nav-btn {
  background-color: #facc15;
  color: #1f2937;
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s;
}

.nav-btn:hover {
  background-color: #fbbf24;
}

.footer {
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
  color: #4b5563;
  background-color: #f9fafb;
  border-top: 1px solid #e5e7eb;
  margin-top: 40px;
  width: 100%;
}

/* Description */
.description {
  text-align: center;
  margin-top: 40px;
  margin-bottom: 20px;
  padding: 0 20px;
}

.description h1 {
  font-size: 2rem;
  margin-bottom: 10px;
  color: #111827;
}

.description p {
  font-size: 1rem;
  color: #374151;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Responsive tweaks */
@media (max-width: 600px) {
  .nav-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    justify-content: flex-start;
  }

  form {
    padding: 20px;
  }

  .description h1 {
    font-size: 1.5rem;
  }

  .description p {
    font-size: 0.95rem;
  }
}