/* ================================================
   BK Hausmeister Plugin – Funnel Form & WhatsApp
   ================================================ */

:root {
  --bk-primary:  #2f4f4e;
  --bk-accent:   #c5a054;
  --bk-white:    #ffffff;
  --bk-off:      #f8f6f0;
  --bk-border:   #e5e7eb;
  --bk-text:     #1a1a1a;
  --bk-muted:    #6b7280;
  --bk-green:    #25d366;
  --bk-radius:   12px;
  --bk-shadow:   0 4px 20px rgba(0,0,0,.10);
  --bk-shadow-lg:0 12px 40px rgba(0,0,0,.16);
  --bk-trans:    .3s cubic-bezier(.4,0,.2,1);
}

/* ===== FUNNEL ===== */
.bk-funnel {
  background: var(--bk-white);
  border-radius: 20px;
  box-shadow: var(--bk-shadow-lg);
  padding: 40px;
  border: 1px solid var(--bk-border);
}

/* Progress Bar */
.bk-funnel-progress { margin-bottom: 40px; }
.bk-funnel-progress-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}
.bk-progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.bk-progress-dot {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--bk-border);
  border: 2px solid var(--bk-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  color: var(--bk-muted);
  transition: var(--bk-trans);
  position: relative;
}
.bk-step-num { transition: var(--bk-trans); }
.bk-step-check { display: none; }
.bk-step-label {
  font-size: .75rem;
  font-weight: 500;
  color: var(--bk-muted);
  white-space: nowrap;
  transition: color var(--bk-trans);
}
.bk-progress-step.active .bk-progress-dot {
  background: var(--bk-primary);
  border-color: var(--bk-primary);
  color: var(--bk-white);
}
.bk-progress-step.active .bk-step-label { color: var(--bk-primary); font-weight: 700; }
.bk-progress-step.completed .bk-progress-dot {
  background: var(--bk-accent);
  border-color: var(--bk-accent);
  color: var(--bk-white);
}
.bk-progress-step.completed .bk-step-num { display: none; }
.bk-progress-step.completed .bk-step-check { display: block; }

.bk-progress-line {
  flex: 1;
  height: 2px;
  background: var(--bk-border);
  margin: 0 4px;
  margin-bottom: 24px;
  min-width: 32px;
}
.bk-progress-line-fill {
  height: 100%;
  background: var(--bk-accent);
  width: 0;
  transition: width .4s ease;
}

/* Steps */
.bk-step-header { text-align: center; margin-bottom: 32px; }
.bk-step-header h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--bk-primary);
  margin-bottom: 8px;
}
.bk-step-header p { color: var(--bk-muted); font-size: .95rem; }

/* Service Grid */
.bk-service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}
.bk-service-option { cursor: pointer; }
.bk-service-option input { position: absolute; opacity: 0; width: 0; height: 0; }
.bk-service-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 12px;
  border: 2px solid var(--bk-border);
  border-radius: var(--bk-radius);
  text-align: center;
  transition: var(--bk-trans);
  position: relative;
  cursor: pointer;
  background: var(--bk-white);
}
.bk-service-card:hover { border-color: var(--bk-primary); background: rgba(47,79,78,.04); }
.bk-service-option input:checked ~ .bk-service-card {
  border-color: var(--bk-primary);
  background: rgba(47,79,78,.06);
}
.bk-service-icon { font-size: 1.75rem; line-height: 1; }
.bk-service-name { font-size: .8rem; font-weight: 600; color: var(--bk-text); line-height: 1.3; }
.bk-service-check {
  position: absolute;
  top: 6px; right: 8px;
  width: 20px; height: 20px;
  background: var(--bk-primary);
  color: var(--bk-white);
  border-radius: 50%;
  font-size: .7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0);
  transition: var(--bk-trans);
}
.bk-service-option input:checked ~ .bk-service-card .bk-service-check {
  opacity: 1;
  transform: scale(1);
}

/* Option Grid (radio) */
.bk-option-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.bk-radio-option { cursor: pointer; }
.bk-radio-option input { position: absolute; opacity: 0; width: 0; height: 0; }
.bk-radio-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px 20px;
  border: 2px solid var(--bk-border);
  border-radius: var(--bk-radius);
  text-align: center;
  transition: var(--bk-trans);
  cursor: pointer;
}
.bk-radio-card:hover { border-color: var(--bk-primary); }
.bk-radio-option input:checked ~ .bk-radio-card {
  border-color: var(--bk-primary);
  background: rgba(47,79,78,.06);
}
.bk-radio-icon { font-size: 2rem; line-height: 1; }
.bk-radio-label { font-weight: 700; font-size: 1rem; color: var(--bk-text); }
.bk-radio-desc { font-size: .8rem; color: var(--bk-muted); }

/* Contact Form */
.bk-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
.bk-field { display: flex; flex-direction: column; gap: 6px; }
.bk-field--full { grid-column: 1 / -1; }
.bk-field label { font-size: .875rem; font-weight: 600; color: var(--bk-text); }
.bk-field label span { color: var(--bk-accent); }
.bk-field input,
.bk-field textarea,
.bk-field select {
  padding: 12px 16px;
  border: 2px solid var(--bk-border);
  border-radius: var(--bk-radius);
  font-size: .95rem;
  font-family: inherit;
  color: var(--bk-text);
  background: var(--bk-white);
  transition: border-color var(--bk-trans);
  outline: none;
}
.bk-field input:focus,
.bk-field textarea:focus { border-color: var(--bk-primary); box-shadow: 0 0 0 3px rgba(47,79,78,.1); }
.bk-field input.error,
.bk-field textarea.error { border-color: #ef4444; }
.bk-field textarea { resize: vertical; min-height: 120px; }

.bk-privacy { }
.bk-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .85rem;
  color: var(--bk-muted);
  line-height: 1.5;
  cursor: pointer;
}
.bk-checkbox-label input { margin-top: 2px; flex-shrink: 0; accent-color: var(--bk-primary); width: 16px; height: 16px; }
.bk-checkbox-label a { color: var(--bk-primary); font-weight: 600; }

/* Step Footer */
.bk-step-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--bk-border);
}

/* Success */
.bk-success-step {
  text-align: center;
  padding: 40px 20px;
}
.bk-success-icon {
  width: 80px; height: 80px;
  background: rgba(47,79,78,.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: var(--bk-primary);
}
.bk-success-step h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.75rem;
  color: var(--bk-primary);
  margin-bottom: 12px;
}
.bk-success-step p { color: var(--bk-muted); line-height: 1.7; max-width: 500px; margin: 0 auto 28px; }
.bk-success-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* Form Error */
.bk-form-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
  padding: 14px 18px;
  border-radius: var(--bk-radius);
  margin-top: 16px;
  font-size: .9rem;
}

/* WhatsApp button in form */
.btn-whatsapp { background: var(--bk-green); color: var(--bk-white) !important; border-color: var(--bk-green); display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px; border-radius: var(--bk-radius); font-weight: 600; transition: var(--bk-trans); }
.btn-whatsapp:hover { background: #1da851; }

/* Submit loading state */
.bk-submitting { opacity: .7; pointer-events: none; }
.bk-submitting .btn-text { display: none; }
.bk-submitting::after { content: '…'; }

/* Field validation tooltip */
.bk-field-error {
  font-size: .78rem;
  color: #ef4444;
  margin-top: 4px;
}

/* ===== WHATSAPP WIDGET ===== */
.bk-wa-widget {
  position: fixed;
  bottom: 100px;
  left: 28px;
  z-index: 9999;
}

.bk-wa-trigger {
  width: 60px; height: 60px;
  background: var(--bk-green);
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bk-white);
  box-shadow: 0 6px 20px rgba(37,211,102,.45);
  transition: var(--bk-trans);
  position: relative;
}
.bk-wa-trigger:hover { transform: scale(1.08); background: #1da851; }

.bk-wa-badge {
  position: absolute;
  top: -4px; right: -4px;
  width: 20px; height: 20px;
  background: #ef4444;
  color: #fff;
  border-radius: 50%;
  font-size: .7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: badgePulse 2s infinite;
}
@keyframes badgePulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.15)} }

.bk-wa-popup {
  position: absolute;
  bottom: 75px;
  left: 0;
  width: 300px;
  background: var(--bk-white);
  border-radius: 16px;
  box-shadow: var(--bk-shadow-lg);
  overflow: hidden;
  transform: scale(.95) translateY(8px);
  opacity: 0;
  transition: var(--bk-trans);
  pointer-events: none;
}
.bk-wa-popup.open {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: all;
}
.bk-wa-popup-header {
  background: #075e54;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.bk-wa-avatar {
  width: 42px; height: 42px;
  background: var(--bk-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: .85rem;
  flex-shrink: 0;
}
.bk-wa-info strong { display: block; color: #fff; font-size: .9rem; }
.bk-wa-status { display: flex; align-items: center; gap: 5px; color: rgba(255,255,255,.7); font-size: .75rem; }
.bk-wa-dot { width: 7px; height: 7px; background: #4ade80; border-radius: 50%; display: inline-block; }
.bk-wa-close { margin-left: auto; color: rgba(255,255,255,.6); font-size: 1rem; padding: 4px; transition: color var(--bk-trans); }
.bk-wa-close:hover { color: #fff; }

.bk-wa-body { background: #e5ddd5 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Crect width='200' height='200' fill='%23e5ddd5'/%3E%3C/svg%3E"); padding: 16px; }
.bk-wa-message {
  background: var(--bk-white);
  border-radius: 0 10px 10px 10px;
  padding: 12px 14px;
  max-width: 90%;
  box-shadow: 0 1px 3px rgba(0,0,0,.1);
}
.bk-wa-message p { font-size: .875rem; color: #1a1a1a; line-height: 1.5; margin-bottom: 6px; }
.bk-wa-message p:last-of-type { margin-bottom: 4px; }
.bk-wa-time { font-size: .7rem; color: var(--bk-muted); display: block; text-align: right; }

.bk-wa-footer { padding: 14px 16px; border-top: 1px solid var(--bk-border); }
.bk-wa-start-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  background: var(--bk-green);
  color: var(--bk-white);
  padding: 12px;
  border-radius: 8px;
  font-weight: 600;
  font-size: .875rem;
  text-decoration: none;
  transition: var(--bk-trans);
}
.bk-wa-start-btn:hover { background: #1da851; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .bk-funnel { padding: 24px 20px; }
  .bk-service-grid { grid-template-columns: repeat(2, 1fr); }
  .bk-contact-grid { grid-template-columns: 1fr; }
  .bk-funnel-progress-steps { gap: 0; }
  .bk-step-label { display: none; }
  .bk-wa-popup { left: auto; right: 0; width: 280px; }
  .bk-wa-widget { left: 16px; bottom: 80px; }
}

@media (max-width: 480px) {
  .bk-option-grid { grid-template-columns: 1fr; }
  .bk-step-footer { flex-direction: column-reverse; }
  .bk-step-footer .btn { width: 100%; justify-content: center; }
}