:root {
  --ink: #141414;
  --muted: #6b7280;
  --line: #e3e6ea;
  --indigo: #565fa0;
  --bg: #f4f5f7;
  --card: #ffffff;
  --danger: #b4453f;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-text-size-adjust: 100%;
}

.wrap {
  max-width: 560px;
  margin: 0 auto;
  padding: 34px 18px 48px;
}
.logo { height: 30px; display: block; margin: 0 auto 22px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px 22px 22px;
  box-shadow: 0 1px 2px rgba(20, 20, 20, .04);
}
h1 { margin: 0 0 8px; font-size: 22px; letter-spacing: -.01em; }
.lead { margin: 0 0 18px; font-size: 14.5px; line-height: 1.55; color: var(--muted); }
.lead strong { color: var(--ink); }

textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  font-family: inherit;
  font-size: 16px; /* 16px evita el zoom automático del iPhone al enfocar */
  line-height: 1.5;
  color: var(--ink);
  resize: vertical;
  background: #fff;
}
textarea:focus { outline: none; border-color: var(--indigo); box-shadow: 0 0 0 3px rgba(86, 95, 160, .13); }

/* Campo trampa: fuera de la vista, sin display:none para que los bots sí lo completen. */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.row {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  margin-top: 14px;
}
.contador { font-size: 12.5px; color: var(--muted); font-variant-numeric: tabular-nums; }

.btn {
  border: 1px solid transparent; border-radius: 11px;
  padding: 12px 26px;
  font-family: inherit; font-size: 15px; font-weight: 600;
  background: var(--indigo); color: #fff; cursor: pointer;
  transition: filter .15s, border-color .15s;
}
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .55; cursor: default; filter: none; }
.btn-light { background: #fff; border-color: var(--line); color: var(--ink); }
.btn-light:hover { border-color: #c8ccd2; filter: none; }

.error {
  margin: 14px 0 0; padding: 11px 13px;
  background: #fbeeed; border: 1px solid #f0d4d1; border-radius: 10px;
  color: var(--danger); font-size: 13.5px;
}
.nota { margin: 18px 0 0; font-size: 12.5px; color: var(--muted); text-align: center; }

.gracias { text-align: center; padding: 40px 22px 34px; }
.gracias .lead { margin-bottom: 22px; }
.tick {
  width: 54px; height: 54px; margin: 0 auto 16px;
  border-radius: 50%; background: rgba(86, 95, 160, .1); color: var(--indigo);
  display: flex; align-items: center; justify-content: center;
  font-size: 27px; font-weight: 700;
}