:root {
  --bg: #0b0c10;
  --card: #12151a;
  --text: #eaeff7;
  --muted: #a9b4c0;
  --accent: #4ea8de;
  --accent-2: #21c4a3;
  --border: #1f232b;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  line-height: 1.6;
  color: var(--text);
  background: linear-gradient(180deg, #0b0c10, #0e1116 40%, #0b0c10);
}

.container {
  max-width: 860px;
  margin-inline: auto;
  padding: 1.5rem;
}

.site-header {
  text-align: center;
  padding: 3rem 0 1rem;
}
.site-header h1 {
  margin: 0 0 .25rem;
  font-weight: 700;
  letter-spacing: .3px;
}
.tagline {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  margin: 1rem 0;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

h2 {
  margin-top: 0;
  font-size: 1.25rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: .5rem;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.button {
  display: inline-block;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #031926;
  font-weight: 700;
  padding: .65rem 1rem;
  border-radius: 10px;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(78,168,222,.3);
}
.button:hover { transform: translateY(-1px); text-decoration: none; }
.spacer { display: inline-block; margin: 0 .5rem; color: var(--muted); }
.link { color: var(--accent-2); }

.field { margin-bottom: .85rem; }
label { display: block; font-weight: 600; margin-bottom: .35rem; }
input, textarea, button {
  width: 100%;
  padding: .7rem .8rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0f1318;
  color: var(--text);
  outline: none;
}
textarea { resize: vertical; }
button {
  cursor: pointer;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #031926;
  font-weight: 800;
  letter-spacing: .3px;
  box-shadow: 0 8px 20px rgba(33,196,163,.25);
}
button:hover { transform: translateY(-1px); }

#form-status { margin-top: .5rem; color: var(--muted); }

.site-footer {
  text-align: center;
  color: var(--muted);
  padding: 2rem 0 3rem;