/* ============================================================
   driftless — Pricing page styles
   Tier cards, price graph, comparison table.
   Desktop-first; media queries at bottom.
   ============================================================ */

/* ===== Pricing Hero ===== */
.pricing-hero {
  padding-top: 72px;
  padding-bottom: 40px;
}
.pricing-hero-title {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.05;
  color: var(--text-strong);
  margin: 16px 0 0;
}
.pricing-hero-desc {
  font-size: 19px;
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 52ch;
  margin: 22px 0 0;
}

/* ===== Pricing section ===== */
.pricing-section {
  padding: 56px 0;
  border-top: 1px solid var(--border-subtle);
}
.pricing-section-title {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--text-strong);
  margin: 0 0 8px;
}
.pricing-section-desc {
  font-size: var(--text-base);
  color: var(--text-muted);
  margin: 0 0 40px;
  max-width: 60ch;
}

/* ===== Tier Cards ===== */
.tier-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.tier-card {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: var(--shadow-sm);
}
.tier-card--highlighted {
  border: 2px solid var(--teal-500);
  background: linear-gradient(180deg, var(--teal-50) 0%, var(--surface-card) 30%);
  position: relative;
  box-shadow: var(--shadow-md);
}
.tier-card-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand);
  color: var(--brand-contrast);
  font-size: var(--text-2xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.tier-card--enterprise {
  background: var(--ink-950);
  border-color: var(--ink-800);
  color: rgba(255, 255, 255, 0.85);
}
.tier-card--enterprise .tier-name { color: #fff; }
.tier-card--enterprise .tier-price { color: #fff; }
.tier-card--enterprise .tier-price-detail { color: rgba(255, 255, 255, 0.55); }
.tier-card--enterprise .tier-feature { color: rgba(255, 255, 255, 0.72); }
.tier-card--enterprise .tier-feature-icon { color: var(--teal-400); }

.tier-name {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-strong);
}
.tier-price {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-strong);
  line-height: 1.1;
}
.tier-price-period {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
}
.tier-price-detail {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.4;
}
.tier-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.tier-feature {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: var(--text-sm);
  color: var(--text-body);
  line-height: 1.45;
}
.tier-feature-icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  color: var(--green-600);
  margin-top: 1px;
}
.tier-card--enterprise .tier-feature-icon {
  color: var(--teal-400);
}
.tier-cta {
  margin-top: auto;
}
.tier-cta .btn {
  width: 100%;
}
/* Enterprise card dual CTA — primary + secondary buttons */
.tier-cta--dual {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ===== Tabbed Inquiry Container ===== */
.inquiry-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border-default);
  margin-bottom: 32px;
}
.inquiry-tab {
  padding: 12px 24px;
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.inquiry-tab:hover {
  color: var(--text-strong);
}
.inquiry-tab--active {
  color: var(--brand-strong);
  border-bottom-color: var(--brand);
}
.inquiry-tab:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}
.inquiry-panel-desc {
  font-size: var(--text-base);
  color: var(--text-muted);
  margin: 0 0 32px;
  max-width: 60ch;
}

/* ===== Comparison Table ===== */
.comparison-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  background: var(--surface-card);
  box-shadow: var(--shadow-sm);
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}
.comparison-table thead th {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-strong);
  padding: 20px 16px;
  text-align: center;
  border-bottom: 2px solid var(--border-default);
  background: var(--ink-50);
  position: sticky;
  top: 0;
  z-index: 2;
}
.comparison-table thead th:first-child {
  text-align: left;
  width: 34%;
  min-width: 200px;
  position: sticky;
  left: 0;
  z-index: 3;
  background: var(--ink-50);
}
.comparison-table thead .col-highlighted {
  color: var(--teal-700);
  background: var(--teal-50);
}
.comparison-group-row td {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-subtle);
  padding: 14px 16px 8px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--surface-page);
}
.comparison-table tbody td {
  padding: 14px 16px;
  font-size: var(--text-sm);
  color: var(--text-body);
  border-bottom: 1px solid var(--border-subtle);
  text-align: center;
  vertical-align: middle;
}
.comparison-table tbody td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--text-strong);
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--surface-card);
  min-width: 200px;
}
.comparison-table tbody tr:last-child td {
  border-bottom: none;
}
.comparison-table tbody td.col-highlighted {
  background: var(--teal-50);
}
.comparison-table tbody td:first-child.col-highlighted {
  background: var(--teal-50);
}
.comparison-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  color: var(--green-600);
}
.comparison-dash {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  color: var(--text-subtle);
}
.comparison-text {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ===== Build Your Quote — Calculator ===== */
.quote-calc-card {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: 36px 32px 32px;
  box-shadow: var(--shadow-sm);
  max-width: 720px;
}

/* Top section: slider + cost display */
.quote-calc-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 8px;
}
.quote-calc-seats {
  flex: 1;
  min-width: 0;
}
.quote-calc-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-strong);
  margin-bottom: 12px;
  display: block;
}
.quote-calc-seats-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}
.seat-slider-wrap {
  position: relative;
  flex: 1;
  padding-top: 18px;
}
.seat-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--ink-150);
  border-radius: var(--radius-pill);
  outline: none;
  cursor: pointer;
}
.seat-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  background: var(--brand);
  border: 3px solid #fff;
  border-radius: 50%;
  cursor: grab;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
  transition: background var(--dur-fast) var(--ease-out);
}
.seat-slider::-webkit-slider-thumb:active {
  cursor: grabbing;
  background: var(--brand-active);
}
.seat-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  background: var(--brand);
  border: 3px solid #fff;
  border-radius: 50%;
  cursor: grab;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.seat-slider:focus-visible {
  box-shadow: var(--ring);
}
.seat-slider-break {
  position: absolute;
  top: 0;
  left: calc(99 / 499 * 100%);
  width: 2px;
  height: 18px;
  background: var(--purple-500);
  border-radius: 1px;
  pointer-events: none;
}
.seat-slider-break::after {
  content: "100";
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--purple-600);
  white-space: nowrap;
}
.seat-input {
  width: 80px;
  padding: 8px 12px;
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--text-strong);
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  text-align: center;
  -moz-appearance: textfield;
  flex-shrink: 0;
}
.seat-input::-webkit-outer-spin-button,
.seat-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.seat-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: var(--ring);
}

/* Cost display */
.quote-calc-cost {
  display: flex;
  align-items: baseline;
  gap: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}
.quote-calc-cost-amount {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-strong);
  line-height: 1;
  transition: opacity var(--dur-fast) var(--ease-out);
}
.quote-calc-cost-period {
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--text-muted);
}

/* Breakdown + annual */
.quote-calc-breakdown {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: 4px;
}
.quote-calc-annual {
  font-size: var(--text-xs);
  color: var(--text-subtle);
  margin-bottom: 28px;
}

/* Form */
.quote-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.quote-form-field {
  margin-bottom: 16px;
}
.quote-form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-strong);
  display: block;
  margin-bottom: 6px;
}
.quote-form-req {
  color: var(--red-500);
}
.quote-form-input {
  width: 100%;
  padding: 10px 14px;
  font-size: var(--text-sm);
  color: var(--text-body);
  background: var(--surface-page);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  box-sizing: border-box;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.quote-form-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: var(--ring);
}
.quote-form-input--error {
  border-color: var(--red-500) !important;
}
.quote-form-input--error:focus {
  box-shadow: 0 0 0 3px var(--red-100);
}
.quote-form-textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: var(--text-sm);
  color: var(--text-body);
  background: var(--surface-page);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  resize: vertical;
  box-sizing: border-box;
}
.quote-form-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: var(--ring);
}
.quote-form-error {
  font-size: var(--text-xs);
  color: var(--red-600);
  margin-top: 4px;
  min-height: 16px;
}
.quote-submit-btn {
  width: 100%;
  margin-top: 4px;
}

/* Honeypot — visually hidden, inaccessible to humans */
.hp-field {
  position: absolute;
  left: -9999px;
  top: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
}
.hp-field input {
  width: 1px;
  height: 1px;
}

/* Success state */
.quote-success {
  text-align: center;
  padding: 24px 0 8px;
}
.quote-success-check {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--green-50);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-600);
}
.quote-success-text {
  font-size: var(--text-md);
  color: var(--text-body);
  line-height: 1.5;
  margin: 0;
}

/* Error state */
.quote-error {
  padding: 16px;
  background: var(--red-50);
  border: 1px solid var(--red-100);
  border-radius: var(--radius-md);
  margin-top: 16px;
}
.quote-error-text {
  font-size: var(--text-sm);
  color: var(--red-700);
  margin: 0;
}
.quote-error-text a {
  color: var(--red-700);
  text-decoration: underline;
}

/* ===== Calculator mobile ===== */
@media (max-width: 768px) {
  .quote-calc-card { padding: 24px 20px; }
  .quote-calc-top {
    flex-direction: column;
    gap: 20px;
  }
  .quote-calc-cost-amount { font-size: 36px; }
  .quote-form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}
@media (max-width: 480px) {
  .quote-calc-cost-amount { font-size: 32px; }
  .quote-calc-seats-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .seat-input { width: 100%; }
}

/* ===== Mobile (max-width: 768px) ===== */
@media (max-width: 768px) {
  .pricing-hero-title { font-size: 34px; }
  .pricing-hero-desc { font-size: 16px; }

  .tier-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .tier-card {
    padding: 24px 20px;
  }
  .tier-card--highlighted {
    order: -1;
  }

  .inquiry-tab { flex: 1; text-align: center; padding: 10px 16px; font-size: var(--text-sm); }
  .inquiry-panel-desc { font-size: var(--text-sm); margin-bottom: 24px; }

  .pricing-section { padding: 40px 0; }
  .pricing-section-title { font-size: 26px; }

  .comparison-table thead th,
  .comparison-table tbody td {
    padding: 12px 10px;
  }
  .comparison-table thead th:first-child,
  .comparison-table tbody td:first-child {
    min-width: 140px;
  }
}

/* ===== Small phone (max-width: 480px) ===== */
@media (max-width: 480px) {
  .pricing-hero-title { font-size: 28px; }
  .pricing-hero { padding-top: 56px; padding-bottom: 24px; }
  .pricing-section { padding: 32px 0; }
  .pricing-section-title { font-size: 22px; }
  .tier-price { font-size: 30px; }
}

/* ===== Enterprise Inquiry Builder ===== */
.ent-card {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: 36px 32px 32px;
  box-shadow: var(--shadow-sm);
  max-width: 920px;
}

/* Feature grid */
.ent-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.ent-feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: left;
  padding: 18px;
  background: var(--surface-page);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
 cursor: pointer;
 font-family: var(--font-sans);
  color: var(--text-body);
  transition: border-color var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
}
.ent-feature-card:hover {
  border-color: var(--border-focus);
}
.ent-feature-card:focus-visible {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: var(--ring);
}
.ent-feature-card--selected {
  background: var(--teal-50);
  border-color: var(--teal-500);
}
.ent-feature-check {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal-600);
  opacity: 0;
  transform: scale(0.6);
  transition: opacity var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
}
.ent-feature-card--selected .ent-feature-check {
  opacity: 1;
  transform: scale(1);
}
.ent-feature-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-strong);
  padding-right: 28px;
  line-height: 1.3;
}
.ent-feature-desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.4;
}

/* Company-size dropdown — reuses .quote-form-input; needs a custom arrow */
select.quote-form-input {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-color: var(--surface-page);
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23586273' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

/* ===== Enterprise mobile ===== */
@media (max-width: 768px) {
  .ent-card { padding: 24px 20px; }
  .ent-feature-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 24px;
  }
}
@media (max-width: 480px) {
  .ent-feature-grid { grid-template-columns: 1fr; }
}


/* ============================================================
   Core Features — Cascades Diagram & Feature Cards (DW-021)
   ============================================================ */

/* Cascades diagram — primary visual. Fades in on scroll via
   Intersection Observer (see pricing.js initCascadesDiagram). */
.cascades-diagram {
  display: flex;
  align-items: stretch;
  justify-content: center;
  margin: 0 auto 56px;
  max-width: 1000px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.cascades-diagram.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.cascades-node {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 28px 18px;
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}
.cascades-node-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--teal-50);
  margin-bottom: 14px;
}
.cascades-node-step {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand-strong);
  margin-bottom: 4px;
}
.cascades-node-title {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--text-strong);
  margin: 0 0 8px;
}
.cascades-node-desc {
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--text-muted);
  margin: 0;
}
.cascades-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 44px;
  color: var(--teal-500);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}
.cascades-diagram.is-visible .cascades-arrow { opacity: 1; }
.cascades-diagram.is-visible .cascades-arrow:nth-child(2) { transition-delay: 0.2s; }
.cascades-diagram.is-visible .cascades-arrow:nth-child(4) { transition-delay: 0.4s; }
.cascades-diagram.is-visible .cascades-arrow:nth-child(6) { transition-delay: 0.6s; }

/* Feature category cards — 3-column grid on desktop */
.feature-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.feature-card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--teal-50);
  margin-bottom: 16px;
}
.feature-card-title {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--text-strong);
  margin: 0 0 8px;
}
.feature-card-desc {
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--text-muted);
  margin: 0 0 16px;
}
.feature-card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.feature-card-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: var(--text-xs);
  color: var(--text-body);
  line-height: 1.45;
}
.feature-card-list li::before {
  content: "";
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--teal-500);
}

/* Core features — mobile (matches enterprise grid breakpoints) */
@media (max-width: 768px) {
  .feature-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .cascades-diagram {
    flex-direction: column;
    align-items: stretch;
    max-width: 100%;
  }
  .cascades-arrow {
    width: 100%;
    height: 36px;
  }
  .cascades-arrow svg {
    transform: rotate(90deg);
  }
}
@media (max-width: 480px) {
  .feature-cards { grid-template-columns: 1fr; }
  .cascades-node { padding: 20px 16px; }
}