.dba-engine {
  --dba-ink: #17211b;
  --dba-muted: #627068;
  --dba-line: #dce4df;
  --dba-surface: #ffffff;
  --dba-accent: #1f6f50;
  --dba-accent-dark: #16533b;
  max-width: 920px;
  margin: 2rem auto;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  color: var(--dba-ink);
  background: var(--dba-surface);
  border: 1px solid var(--dba-line);
  border-radius: 24px;
  box-shadow: 0 18px 60px rgba(23, 33, 27, 0.09);
}
.dba-engine * { box-sizing: border-box; }
.dba-engine__heading { margin-bottom: 1.5rem; }
.dba-engine__heading h2 { margin: 0.15rem 0 0.55rem; font-size: clamp(1.8rem, 4vw, 2.8rem); line-height: 1.05; }
.dba-engine__heading p { margin: 0; color: var(--dba-muted); }
.dba-engine__eyebrow { color: var(--dba-accent) !important; font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.dba-form { display: grid; gap: 1.15rem; }
.dba-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.dba-grid--dates { padding: 1rem; background: #f4f7f5; border-radius: 16px; }
.dba-form label { display: grid; gap: .45rem; color: var(--dba-ink); font-weight: 650; }
.dba-form input, .dba-form select, .dba-form textarea {
  width: 100%;
  min-height: 48px;
  padding: .75rem .85rem;
  color: var(--dba-ink);
  background: #fff;
  border: 1px solid #cbd7cf;
  border-radius: 10px;
  font: inherit;
}
.dba-form textarea { min-height: 112px; resize: vertical; }
.dba-form input:focus, .dba-form select:focus, .dba-form textarea:focus { outline: 3px solid rgba(31, 111, 80, .18); border-color: var(--dba-accent); }
.dba-availability, .dba-message { min-height: 1.45rem; font-weight: 650; }
.dba-availability--success, .dba-message--success { color: #166534; }
.dba-availability--error, .dba-message--error { color: #b42318; }
.dba-price { padding: 1rem 1.1rem; border: 1px solid var(--dba-line); border-radius: 14px; }
.dba-price > div { display: flex; justify-content: space-between; gap: 1rem; padding: .35rem 0; }
.dba-price__total { margin-top: .45rem; padding-top: .8rem !important; border-top: 1px solid var(--dba-line); font-size: 1.1rem; }
.dba-consent { grid-template-columns: auto 1fr !important; align-items: start; font-weight: 400 !important; }
.dba-consent input { width: 20px; min-height: 20px; margin-top: .15rem; }
.dba-submit {
  min-height: 52px;
  padding: .85rem 1.25rem;
  color: #fff;
  background: var(--dba-accent);
  border: 0;
  border-radius: 12px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease;
}
.dba-submit:hover { background: var(--dba-accent-dark); transform: translateY(-1px); }
.dba-submit:disabled { opacity: .6; cursor: wait; transform: none; }
.dba-hp { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
@media (max-width: 720px) {
  .dba-grid { grid-template-columns: 1fr; }
  .dba-engine { margin: 1rem 0; border-radius: 16px; }
}