:root {
  --bg: #071a14;
  --panel: #0d2a20;
  --text: #e8f2ec;
  --muted: #9bb5a8;
  --accent: #3ecf8e;
  --line: #1a4032;
  --danger: #ff6b6b;
  --warn: #e6c07b;
  --radius: 14px;
  --font: "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: radial-gradient(1200px 600px at 10% -10%, #123d2e 0%, var(--bg) 55%); color: var(--text); font-family: var(--font); }
.app { max-width: 720px; margin: 0 auto; padding: 1rem 1rem 3rem; overflow-x: hidden; }
.hero { margin: 1rem 0 1.25rem; }
.brand { font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin: 0 0 0.35rem; }
h1 { font-size: 1.65rem; line-height: 1.15; margin: 0 0 0.45rem; }
.lead { color: var(--muted); margin: 0; line-height: 1.45; }
.card {
  background: linear-gradient(165deg, #103528, var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.05rem;
  margin: 0.75rem 0;
}
.card h2 { font-size: 0.95rem; margin: 0 0 0.45rem; letter-spacing: 0.02em; }
.muted { color: var(--muted); font-size: 0.9rem; line-height: 1.4; }
.row { display: flex; gap: 0.55rem; flex-wrap: wrap; align-items: center; }
.stack { display: grid; gap: 0.55rem; }
label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.25rem; }
input, textarea {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #081c15;
  color: var(--text);
  margin-bottom: 0.65rem;
  font: inherit;
}
textarea { min-height: 140px; resize: vertical; }
button, .btn {
  appearance: none; border: 0; border-radius: 999px;
  padding: 0.75rem 1.15rem; background: var(--accent); color: #042016;
  font-weight: 700; cursor: pointer; font: inherit;
}
button.secondary, .btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--line); }
button.ghost { background: #123528; color: var(--text); }
.error { color: var(--danger); font-size: 0.9rem; }
.warn { color: var(--warn); font-size: 0.9rem; }
.next { display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.pill { display: inline-block; padding: 0.2rem 0.55rem; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); font-size: 0.75rem; }
.list { margin: 0; padding-left: 1.1rem; }
.list li { margin: 0.35rem 0; }
.obs-block { border-top: 1px solid var(--line); padding-top: 0.65rem; margin-top: 0.65rem; }
.sticky-cta {
  position: sticky; bottom: 0.75rem; z-index: 5;
  background: rgba(7,26,20,0.92); backdrop-filter: blur(8px);
  border: 1px solid var(--line); border-radius: 999px; padding: 0.45rem;
  display: flex; gap: 0.4rem; justify-content: stretch;
}
.sticky-cta button { flex: 1; }
.navcard { cursor: pointer; }
.navcard:active { transform: scale(0.99); }
select {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #081c15;
  color: var(--text);
  margin-bottom: 0.65rem;
  font: inherit;
}
.processing { color: var(--accent); font-size: 0.95rem; margin: 0.5rem 0 0; min-height: 1.25rem; }
button:disabled { opacity: 0.55; cursor: wait; }
@media (max-width: 520px) {
  h1 { font-size: 1.4rem; }
  .next { flex-direction: column; align-items: stretch; }
  .app { padding-bottom: 4.5rem; }
}
