:root {
  --bg: #f8fafc;
  --panel: #ffffff;
  --ink: #111827;
  --muted: #4b5563;
  --accent: #0f766e;
  --line: #d1d5db;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

.shell {
  width: min(1120px, 94vw);
  margin: 24px auto 64px;
  display: grid;
  gap: 16px;
}

.hero {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin: 8px 0 12px;
}

.hero p {
  margin: 0;
}

.badge {
  display: inline-block;
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.85rem;
  font-weight: 600;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
}

.form-grid {
  display: grid;
  gap: 10px;
}

input {
  border: 1px solid #c5d1e2;
  border-radius: 8px;
  padding: 10px;
  font: inherit;
  width: 100%;
}

button {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
  font: inherit;
}

button.secondary {
  background: #475569;
}

button.danger {
  background: #b91c1c;
}

.checklist {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 6px;
}

.status { color: var(--muted); }
.hint { color: var(--muted); }
.hidden { display: none; }

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 8px;
}

.card-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.launch-link {
  display: inline-block;
  text-decoration: none;
  background: #0f766e;
  color: #fff;
  border-radius: 8px;
  padding: 8px 12px;
  border: 1px solid #0a5c56;
}

.status-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  color: #1f2937;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.feature-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: #fff;
  border: 2px solid #e5e7eb;
  border-radius: 10px;
  padding: 16px;
  transition: border-color .15s ease, transform .15s ease;
}

.feature-card:hover {
  border-color: #10b981;
  transform: translateY(-1px);
}

.feature-card h3 {
  margin: 0 0 8px;
}

.feature-card p {
  margin: 0 0 10px;
  color: var(--muted);
}

.feature-card span {
  color: #047857;
  font-weight: 600;
}