.bmw-btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, border-color .18s ease;
}
.bmw-btn:hover { transform: translateY(-1px); text-decoration: none; }
.bmw-btn:active { transform: translateY(0); }
.bmw-btn-primary { background: var(--bmw-orange); color: #fff !important; box-shadow: 0 8px 20px rgba(255, 107, 0, .18); }
.bmw-btn-primary:hover { background: var(--bmw-orange-dark); color: #fff !important; box-shadow: 0 10px 24px rgba(255, 107, 0, .22); }
.bmw-btn-secondary { background: #fff; color: var(--bmw-navy) !important; border-color: var(--bmw-border); }
.bmw-btn-secondary:hover { border-color: var(--bmw-navy); box-shadow: var(--bmw-shadow-sm); }

.bmw-button-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 26px; }

.bmw-card {
  position: relative;
  background: var(--bmw-white);
  border: 1px solid var(--bmw-border);
  border-radius: var(--bmw-radius-lg);
  padding: 24px;
  box-shadow: var(--bmw-shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.bmw-card:hover { transform: translateY(-2px); border-color: rgba(22, 139, 210, .35); box-shadow: var(--bmw-shadow-md); }
.bmw-card-title { margin-bottom: 10px; font-size: 1.25rem; }
.bmw-card-title a { color: var(--bmw-text); text-decoration: none; }
.bmw-card-title a:hover { color: var(--bmw-blue); }
.bmw-card-description { margin-bottom: 20px; color: var(--bmw-muted); font-size: .96rem; }
.bmw-card-link { font-weight: 800; text-decoration: none; }
.bmw-tool-icon {
  display: inline-grid;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  place-items: center;
  border-radius: 12px;
  color: var(--bmw-navy);
  background: var(--bmw-blue-soft);
  font-weight: 900;
}

.bmw-grid { display: grid; gap: 22px; }
.bmw-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.bmw-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.bmw-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.bmw-section { padding: 78px 0; }
.bmw-section-soft { background: var(--bmw-bg); }
.bmw-section-heading { max-width: 760px; margin-bottom: 32px; }
.bmw-section-heading p { margin-bottom: 0; color: var(--bmw-muted); }

.bmw-field { margin-bottom: 18px; }
.bmw-field label { display: inline-block; margin-bottom: 7px; color: var(--bmw-text); font-size: .92rem; font-weight: 800; }
.bmw-input,
.bmw-select,
.bmw-textarea,
.bmw-search-field {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--bmw-border-strong);
  border-radius: 9px;
  background: #fff;
  color: var(--bmw-text);
  padding: 11px 13px;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.bmw-textarea { min-height: 140px; resize: vertical; }
.bmw-input:focus,
.bmw-select:focus,
.bmw-textarea:focus,
.bmw-search-field:focus { outline: 0; border-color: var(--bmw-blue); box-shadow: var(--bmw-focus); }

.bmw-calculator-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}
.bmw-calculator-card,
.bmw-result-card {
  border: 1px solid var(--bmw-border);
  border-radius: var(--bmw-radius-lg);
  padding: 28px;
  background: #fff;
  box-shadow: var(--bmw-shadow-sm);
}
.bmw-result-card { background: var(--bmw-blue-soft); border-color: #bae6fd; }
.bmw-result-primary { margin: 8px 0 20px; color: var(--bmw-navy); font-size: clamp(2rem, 5vw, 2.65rem); font-weight: 900; line-height: 1; }
.bmw-result-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.bmw-result-item { padding: 14px; border: 1px solid rgba(22,139,210,.16); border-radius: 12px; background: rgba(255,255,255,.72); }
.bmw-result-label { color: var(--bmw-muted); font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.bmw-result-value { display: block; margin-top: 3px; color: var(--bmw-text); font-size: 1.08rem; font-weight: 900; }

.bmw-notice { padding: 16px 18px; border-radius: 12px; border: 1px solid var(--bmw-border); background: var(--bmw-bg); }
.bmw-notice-info { border-color: #bae6fd; background: #f0f9ff; }
.bmw-notice-warning { border-color: #fde68a; background: #fffbeb; }
.bmw-notice-success { border-color: #bbf7d0; background: #f0fdf4; }

/* Ad-safe zones are intentionally neutral and are not rendered by default. */
.bmw-ad-zone {
  clear: both;
  margin: 40px auto;
  text-align: center;
}

.bmw-search-form { display: flex; gap: 10px; }
.bmw-search-form .bmw-search-field { flex: 1; }