/**
 * Duct Masters — callback request modal (all pages)
 */
.dm-callback-modal {
  --brand-dark: #1a56a0;
  --brand-light: #29abe2;
  --navy: #1a3a5c;
  --navy-dark: #0f2840;
  --blue-soft: #e8f4fc;
  --green: #047857;
  --green-soft: #ecfdf5;
  --slate: #64748b;
  --text: #1e293b;
  --muted: #475569;
  --border: #e2e8f0;
  --bg: #f8fafc;
  --white: #ffffff;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, visibility 0.25s;
}
.dm-callback-modal *, .dm-callback-modal *::before, .dm-callback-modal *::after {
  box-sizing: border-box;
}
.dm-callback-modal.is-open {
  opacity: 1;
  visibility: visible;
}
.dm-callback-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 40, 64, 0.55);
  backdrop-filter: blur(4px);
}
.dm-callback-dialog {
  position: relative;
  width: 100%;
  max-width: 460px;
  max-height: calc(100vh - 40px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 24px 64px rgba(15, 40, 64, 0.28);
  transform: translateY(12px) scale(0.98);
  transition: transform 0.25s;
}
.dm-callback-modal.is-open .dm-callback-dialog {
  transform: translateY(0) scale(1);
}
.dm-callback-head {
  padding: 24px 52px 22px 24px;
  position: relative;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  border-radius: 15px 15px 0 0;
  flex-shrink: 0;
}
.dm-callback-head h2 {
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
  margin: 0 0 8px;
  letter-spacing: -0.02em;
  padding-right: 0;
}
.dm-callback-head p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.55;
  margin: 0;
}
.dm-callback-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 34px;
  height: 34px;
  border: none;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  font-size: 22px;
  line-height: 1;
  color: var(--white);
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dm-callback-close:hover { background: rgba(255, 255, 255, 0.22); }
.dm-callback-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}
.dm-callback-field { margin-bottom: 16px; }
.dm-callback-field label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 7px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.dm-callback-field input,
.dm-callback-field select {
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  background: var(--bg);
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  -webkit-appearance: none;
  appearance: none;
}
.dm-callback-field input::placeholder {
  color: #94a3b8;
}
.dm-callback-field input:focus,
.dm-callback-field select:focus {
  outline: none;
  border-color: var(--brand-dark);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(26, 86, 160, 0.12);
}
.dm-callback-when-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 10px;
  display: block;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.dm-callback-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}
.dm-callback-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  background: var(--white);
}
.dm-callback-option:hover {
  border-color: #cbd5e1;
  background: var(--bg);
}
.dm-callback-option:has(input:checked) {
  border-color: var(--brand-dark);
  background: var(--blue-soft);
  box-shadow: 0 0 0 1px rgba(26, 86, 160, 0.08);
}
.dm-callback-option input {
  margin-top: 3px;
  accent-color: var(--brand-dark);
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}
.dm-callback-option-text strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 3px;
}
.dm-callback-option-text span {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}
.dm-callback-schedule {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
  padding: 16px;
  background: var(--bg);
  border-radius: 10px;
  border: 1px solid var(--border);
}
.dm-callback-schedule.is-visible { display: grid; }
.dm-callback-schedule .dm-callback-field { margin-bottom: 0; }
.dm-callback-schedule-note {
  grid-column: 1 / -1;
  font-size: 11px;
  color: var(--slate);
  line-height: 1.5;
  margin: 0;
}
.dm-callback-submit {
  width: 100%;
  margin-top: 4px;
  padding: 14px 24px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  background: var(--brand-dark);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(26, 86, 160, 0.25);
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.dm-callback-submit:hover {
  background: var(--navy-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(26, 86, 160, 0.3);
}
.dm-callback-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}
.dm-callback-error {
  display: none;
  margin-bottom: 14px;
  padding: 12px 14px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 8px;
  font-size: 13px;
  color: #b91c1c;
  line-height: 1.5;
}
.dm-callback-error.is-visible { display: block; }
.dm-callback-success {
  display: none;
  text-align: center;
  padding: 16px 8px 8px;
}
.dm-callback-success.is-visible { display: block; }
.dm-callback-success-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--green-soft);
  color: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 700;
}
.dm-callback-success h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--navy-dark);
  margin: 0 0 10px;
}
.dm-callback-success p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
  margin: 0 0 20px;
}
.dm-callback-success-close {
  width: 100%;
  padding: 12px 24px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  background: var(--white);
  color: var(--navy);
  transition: border-color 0.2s, background 0.2s;
}
.dm-callback-success-close:hover {
  border-color: var(--navy);
  background: var(--bg);
}
.dm-callback-form.is-hidden { display: none; }

@media (max-width: 600px) {
  .dm-callback-modal { padding: 12px; }
  .dm-callback-dialog { max-height: calc(100vh - 24px); }
}