/* ============================================================
   Kanops.ai -- Diagnostic Quiz Overlay
   ============================================================ */

.diagnostic-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}
.diagnostic-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* --- Progress Bar --- */
.diagnostic-progress {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border);
}
.diagnostic-progress-fill {
  height: 100%;
  background: var(--white);
  transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  width: 0%;
}

/* --- Close Button --- */
.diagnostic-close {
  position: absolute;
  top: 16px;
  right: 24px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 24px;
  border-radius: 50%;
  transition: color 0.2s ease, background 0.2s ease;
  z-index: 10;
}
.diagnostic-close:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

/* --- Steps Container --- */
.diagnostic-body {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 60px clamp(20px, 4vw, 40px) 40px;
}
.diagnostic-steps {
  position: relative;
  width: 100%;
  max-width: 560px;
}
.diagnostic-step {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}
.diagnostic-step.active {
  position: relative;
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}
.diagnostic-step.exit-left {
  opacity: 0;
  transform: translateX(-40px);
}

/* --- Step Content --- */
.step-number {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gray-500);
  margin-bottom: 16px;
}
.step-question {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 400;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 32px;
}

/* --- Options --- */
.step-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.step-option {
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 16px;
  color: var(--gray-300);
  text-align: left;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
  cursor: pointer;
  min-height: 44px;
}
.step-option:hover {
  border-color: var(--border-strong);
  background: var(--surface);
}
.step-option:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 2px;
}
.step-option.selected {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
}

/* --- Email Capture (Step 4) --- */
.capture-heading {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 400;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 8px;
}
.capture-subheading {
  font-size: 16px;
  color: var(--gray-400);
  margin-bottom: 32px;
}
.capture-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.capture-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.capture-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-400);
}
.capture-input {
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  color: var(--white);
  outline: none;
  transition: border-color 0.2s ease;
  min-height: 44px;
}
.capture-input:focus {
  border-color: var(--border-strong);
}
.capture-input::placeholder {
  color: var(--gray-500);
}

/* Honeypot */
.capture-hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
}

.capture-submit {
  margin-top: 8px;
  padding: 14px 32px;
  background: var(--white);
  color: var(--black);
  border: none;
  border-radius: 100px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  min-height: 44px;
}
.capture-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 24px rgba(255, 255, 255, 0.15);
}
.capture-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.capture-error {
  font-size: 13px;
  color: #ef4444;
  min-height: 18px;
}

/* --- Results (Step 5) --- */
.results-heading {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 400;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 8px;
}
.results-subheading {
  font-size: 16px;
  color: var(--gray-400);
  margin-bottom: 32px;
}
.results-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}
.result-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
}
.result-card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 4px;
}
.result-card-name {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--white);
}
.result-card-type {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
}
.result-card-stat {
  font-size: 14px;
  color: var(--gray-400);
  margin-bottom: 8px;
}
.result-card-reason {
  font-size: 15px;
  color: var(--gray-300);
  line-height: 1.5;
}

.results-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.results-cta .btn-primary {
  width: 100%;
  text-align: center;
}
.results-cta-secondary {
  font-size: 14px;
  color: var(--gray-500);
}

/* --- Volume / Setup Note --- */
.results-note {
  margin-top: 16px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.5;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .diagnostic-body {
    padding: 60px 20px 20px;
    align-items: flex-start;
    padding-top: 80px;
  }
  .diagnostic-steps {
    max-width: 100%;
  }
}