/* Structural defaults for the lead engine. Each site restyles via these variables (set them on :root or on the form host). */
:root {
  --lead-accent: #1f6feb;
  --lead-accent-ink: #fff;
  --lead-fg: inherit;
  --lead-muted: color-mix(in srgb, currentColor 62%, transparent);
  --lead-border: color-mix(in srgb, currentColor 22%, transparent);
  --lead-surface: transparent;
  --lead-field-bg: color-mix(in srgb, currentColor 4%, transparent);
  --lead-error: #c62828;
  --lead-radius: 10px;
  --lead-gap: 1rem;
  --lead-wa: #1fa855;
}
.lead-form, .lead-done { color: var(--lead-fg); background: var(--lead-surface); }
.lead-progress { margin-bottom: 1.25rem; }
.lead-progress-track { height: 4px; border-radius: 99px; background: var(--lead-border); overflow: hidden; }
.lead-progress-bar { height: 100%; width: 0; background: var(--lead-accent); transition: width .3s ease; }
.lead-step-count { margin: .5rem 0 0; font-size: .85rem; color: var(--lead-muted); }
.lead-step-title { margin: 0 0 .25rem; outline: none; }
.lead-step-intro { margin: 0 0 1rem; color: var(--lead-muted); }
.lead-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--lead-gap); }
.lead-field { grid-column: 1 / -1; display: flex; flex-direction: column; gap: .35rem; min-width: 0; }
.lead-field.lead-half { grid-column: span 1; }
@media (max-width: 560px) { .lead-grid { grid-template-columns: 1fr; } .lead-field.lead-half { grid-column: 1 / -1; } }
.lead-label { font-weight: 600; font-size: .95rem; padding: 0; }
.lead-req { color: var(--lead-error); }
.lead-help { margin: 0; font-size: .85rem; color: var(--lead-muted); }
.lead-field input:not([type=radio]):not([type=checkbox]), .lead-field select, .lead-field textarea {
  font: inherit; color: inherit; width: 100%; box-sizing: border-box; min-height: 44px; padding: .65rem .8rem;
  border: 1px solid var(--lead-border); border-radius: var(--lead-radius); background: var(--lead-field-bg);
}
.lead-field textarea { resize: vertical; }
.lead-field input:focus-visible, .lead-field select:focus-visible, .lead-field textarea:focus-visible { outline: 2px solid var(--lead-accent); outline-offset: 1px; }
.lead-tiles { border: 0; margin: 0; padding: 0; min-width: 0; }
.lead-tile-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: .6rem; margin-top: .35rem; }
.lead-tile-grid input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.lead-tile { display: flex; flex-direction: column; gap: .2rem; min-height: 44px; padding: .75rem .9rem; border: 1px solid var(--lead-border);
  border-radius: var(--lead-radius); background: var(--lead-field-bg); cursor: pointer; transition: border-color .15s, background .15s; }
.lead-tile:hover { border-color: var(--lead-accent); }
.lead-tile-grid input:checked + .lead-tile { border-color: var(--lead-accent); background: color-mix(in srgb, var(--lead-accent) 12%, transparent); box-shadow: inset 0 0 0 1px var(--lead-accent); }
.lead-tile-grid input:focus-visible + .lead-tile { outline: 2px solid var(--lead-accent); outline-offset: 2px; }
.lead-tile-text { font-weight: 600; }
.lead-tile-hint { font-size: .8rem; color: var(--lead-muted); }
.lead-error { margin: 0; min-height: 0; font-size: .85rem; color: var(--lead-error); }
.lead-error:empty { display: none; }
.lead-invalid input, .lead-invalid select, .lead-invalid textarea, .lead-invalid .lead-tile { border-color: var(--lead-error); }
.lead-hp { position: absolute !important; left: -9999px !important; }
.lead-nav { display: flex; gap: .75rem; margin-top: 1.5rem; }
.lead-nav .lead-next, .lead-nav .lead-submit { margin-left: auto; }
.lead-btn { font: inherit; font-weight: 600; min-height: 44px; padding: .7rem 1.3rem; border-radius: var(--lead-radius); cursor: pointer; border: 1px solid var(--lead-border); background: transparent; color: inherit; display: inline-flex; align-items: center; gap: .5rem; text-decoration: none; }
.lead-next, .lead-submit { background: var(--lead-accent); color: var(--lead-accent-ink); border-color: var(--lead-accent); }
.lead-btn:disabled { opacity: .6; cursor: progress; }
.lead-btn:focus-visible { outline: 2px solid var(--lead-accent); outline-offset: 2px; }
.lead-btn[hidden], .lead-step[hidden], .lead-form[hidden], .lead-done[hidden] { display: none !important; }
.lead-status { margin: .75rem 0 0; font-size: .9rem; }
.lead-status:empty { display: none; }
.lead-done { outline: none; }
.lead-done-title { margin-top: 0; }
.lead-wa-btn { background: var(--lead-wa); border-color: var(--lead-wa); color: #fff; }
.lead-wa-btn svg, .lead-wa-float svg { width: 1.25em; height: 1.25em; flex: none; }
.lead-wa-float { position: fixed; right: max(16px, env(safe-area-inset-right)); bottom: max(16px, env(safe-area-inset-bottom)); z-index: 50;
  display: inline-flex; align-items: center; gap: .5rem; min-height: 52px; padding: 0 1.1rem; border-radius: 99px;
  background: var(--lead-wa); color: #fff; font-weight: 700; text-decoration: none; box-shadow: 0 8px 24px rgb(0 0 0 / .22);
  transition: transform .15s ease, box-shadow .15s ease; }
.lead-wa-float:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgb(0 0 0 / .28); }
.lead-wa-float:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }
@media (max-width: 480px) { .lead-wa-label { display: none; } .lead-wa-float { width: 56px; justify-content: center; padding: 0; } }
@media (prefers-reduced-motion: reduce) { .lead-progress-bar, .lead-wa-float, .lead-tile { transition: none; } }