:root {
  --bg: #0b0c10;
  --text: #f5f7fa;
  --accent: #5B8DEF;
  --accent2: #6EE7B7;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  text-align: center;
}
main { padding: 4rem 1rem 2rem; }
h1 {
  font-size: 2.1rem;
  margin: 0 0 1rem 0;
}
p {
  max-width: 720px;
  margin: 0.5rem auto 2rem auto;
}
form {
  max-width: 560px;
  margin: 0 auto 2rem auto;
  display: grid;
  gap: 1rem;
  text-align: left;
}
label { display: grid; gap: 0.5rem; font-weight: 600; }
input, textarea {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-size: 1rem;
}
button {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none;
  color: #0b0c10;
  font-weight: 800;
  padding: 12px 16px;
  border-radius: 10px;
  cursor: pointer;
}
.helper {
  margin: 1rem auto;
  font-size: 0.95rem;
  opacity: 0.9;
}
footer {
  padding: 1rem;
  font-size: 0.9rem;
  color: #aab0bc;
  border-top: 1px solid rgba(255,255,255,0.1);
}
a { color: inherit; }