:root {
  color-scheme: dark;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: rgba(255, 255, 255, 0.94);
  background: #07101a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 10%, rgba(86, 175, 255, 0.18), transparent 30rem),
    radial-gradient(circle at 85% 20%, rgba(118, 248, 201, 0.12), transparent 28rem),
    #07101a;
}

main {
  width: min(760px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4rem 0;
}

a { color: #76f8c9; }

.back-link { text-decoration: none; font-weight: 700; }

h1 {
  margin: 2rem 0 1rem;
  font-size: clamp(2.4rem, 8vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

h2 { margin: 2rem 0 0.6rem; font-size: 1.25rem; }

p, li { color: rgba(220, 227, 244, 0.78); line-height: 1.7; }

.lede { font-size: 1.12rem; }

.updated { color: rgba(220, 227, 244, 0.52); font-size: 0.85rem; }

form { display: grid; gap: 1rem; margin-top: 2rem; }

label { display: grid; gap: 0.45rem; font-weight: 700; }

input, select, textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 0.8rem;
  color: white;
  background: rgba(255, 255, 255, 0.06);
  font: inherit;
}

textarea { min-height: 10rem; resize: vertical; }

button {
  width: fit-content;
  padding: 0.85rem 1.2rem;
  border: 0;
  border-radius: 999px;
  color: #05070d;
  background: linear-gradient(135deg, #76f8c9, #56afff);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

footer {
  width: min(760px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(220, 227, 244, 0.52);
}