:root {
  /* Uber design system — light (canvas) */
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-2: #efefef;
  --surface-3: #f3f3f3;
  --text: #000000;
  --muted: #5e5e5e;
  --soft: #afafaf;
  --border: #e2e2e2;
  --border-strong: #cfcfcf;
  --primary: #000000;
  --primary-dark: #282828;
  --on-primary: #ffffff;
  --success: #000000;
  --success-bg: #efefef;
  --attention: #000000;
  --attention-bg: #f3f3f3;
  --link: #0000ee;
  --radius-lg: 16px;
  --radius-md: 8px;
  --radius-pill: 999px;
  --radius-pill-tab: 36px;
  --shadow-1: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-2: 0 4px 16px rgba(0, 0, 0, 0.16);
  --shadow-3: 0 2px 8px rgba(0, 0, 0, 0.16);
  --shadow: var(--shadow-2);
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

:root[data-theme="dark"] {
  /* Polarity-flip: ink becomes the canvas, canvas becomes the ink */
  --bg: #000000;
  --surface: #000000;
  --surface-2: #1a1a1a;
  --surface-3: #222222;
  --text: #ffffff;
  --muted: #afafaf;
  --soft: #7a7a7a;
  --border: #686868;
  --border-strong: #787878;
  --primary: #ffffff;
  --primary-dark: #e2e2e2;
  --on-primary: #000000;
  --success: #ffffff;
  --success-bg: #1a1a1a;
  --attention: #ffffff;
  --attention-bg: #222222;
  --link: #7fa0ff;
  --shadow-1: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-2: 0 4px 16px rgba(0, 0, 0, 0.6);
  --shadow-3: 0 2px 8px rgba(0, 0, 0, 0.6);
  --shadow: var(--shadow-2);
}

.demo-heading,
.demo-eyebrow,
h1,
h2,
h3 {
  font-feature-settings: "ss01" 1;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.5;
}

.demo-shell {
  flex: 1 0 auto;
}

.site-footer {
  flex-shrink: 0;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

/* Meta bar — portfolio attribution, not part of the simulated product */
.site-meta-bar {
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.site-meta-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1120px;
  margin: 0 auto;
  padding: 9px 20px;
}

.demo-back {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 500;
  text-decoration: none;
}

.demo-back:hover,
.demo-back:focus-visible {
  color: var(--primary);
}

.demo-step-count {
  color: var(--soft);
  font-size: 0.76rem;
  font-weight: 500;
}

/* Site header — the simulated product's own chrome */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.site-header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 20px;
}

.site-brand {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
}

.site-brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 0.85rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  flex: 1;
  gap: 22px;
}

.site-nav-link {
  color: var(--soft);
  font-size: 0.86rem;
  font-weight: 500;
}

.site-nav-link.is-active {
  color: var(--text);
}

.demo-ay-badge {
  flex-shrink: 0;
  padding: 4px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--primary) 9%, transparent);
  color: var(--primary);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.theme-toggle {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1.5px solid var(--border-strong);
  border-radius: 50%;
  background: var(--surface);
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: var(--primary);
  outline: 0;
}

/* Content shell */
.demo-shell {
  display: block;
  max-width: 460px;
  margin: 0 auto;
  padding: 32px 20px 64px;
  transition: max-width 220ms ease;
}

.demo-shell.is-wide {
  max-width: 1120px;
}

.demo-shell.is-auth {
  max-width: 760px;
}

.demo-shell.is-wide .demo-progress {
  display: none;
}

.demo-shell.is-wide .demo-card {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  min-height: 0;
}

/* Site footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface-2);
  padding: 22px 20px 34px;
}

.demo-card {
  position: relative;
  min-height: 420px;
  padding: 34px 28px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.demo-card.is-split {
  padding: 0;
  overflow: hidden;
}

.demo-card.is-split .demo-progress {
  display: none;
}

/* Auth split panel */
.auth-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 480px;
}

.auth-side {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
  padding: 40px 32px;
  border-right: 1px solid var(--border);
  background: var(--surface-2);
}

.auth-side-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary);
}

.auth-side-icon svg {
  width: 22px;
  height: 22px;
}

.auth-side h2 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.auth-trust-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.auth-trust-list li {
  display: grid;
  gap: 2px;
}

.auth-trust-list strong {
  font-size: 0.86rem;
  font-weight: 700;
}

.auth-trust-list span {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.auth-trust-list a {
  font-weight: 500;
}

.auth-form-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px 36px;
}

.demo-progress {
  display: flex;
  gap: 5px;
  margin-bottom: 22px;
}

.demo-progress span {
  flex: 1;
  height: 4px;
  border-radius: 3px;
  background: var(--border);
}

.demo-progress span.is-done {
  background: var(--primary);
}

.demo-running-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  padding: 11px 15px;
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  transition: background 300ms ease;
}

.demo-running-total[hidden] {
  display: none;
}

.demo-running-total span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 500;
}

.demo-running-total strong {
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 700;
}

.demo-running-total.is-updated {
  background: var(--success-bg);
}

.demo-running-total.is-updated strong {
  color: var(--success);
}

.demo-screen {
  display: none;
}

.demo-screen.is-active {
  display: block;
  animation: demo-fade 220ms ease both;
}

@keyframes demo-fade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.demo-eyebrow {
  display: block;
  margin: 0 0 10px;
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.demo-heading {
  margin: 0 0 10px;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.333;
}

.demo-body {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 0.94rem;
}

.demo-fine {
  margin: 0 0 20px;
  color: var(--soft);
  font-size: 0.78rem;
  line-height: 1.5;
}

.demo-choice-grid {
  display: grid;
  gap: 10px;
  margin-bottom: 6px;
}

.demo-choice {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 18px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease, transform 140ms ease;
}

.demo-choice:hover,
.demo-choice:focus-visible {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 5%, transparent);
  outline: 0;
}

.demo-choice:active {
  transform: scale(0.98);
}

.demo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 52px;
  padding: 0 20px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.96rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease, opacity 140ms ease, transform 140ms ease;
}

.demo-btn.is-primary {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--on-primary);
}

.demo-btn.is-primary:hover,
.demo-btn.is-primary:focus-visible {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  outline: 0;
}

.demo-btn.is-quiet {
  border-color: transparent;
  background: transparent;
  color: var(--muted);
  font-weight: 500;
}

.demo-btn.is-quiet:hover,
.demo-btn.is-quiet:focus-visible {
  color: var(--primary);
  outline: 0;
}

.demo-btn:active {
  transform: scale(0.985);
}

.demo-actions {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.demo-help {
  display: flex;
  gap: 10px;
  margin: 16px 0 0;
  padding: 12px 14px;
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.demo-help strong {
  color: var(--text);
}

.demo-result-box {
  padding: 16px 18px;
  margin-bottom: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
}

.demo-result-form {
  margin: 0 0 6px;
  color: var(--primary);
  font-size: 1.6rem;
  font-weight: 700;
}

.demo-result-why {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.86rem;
}

.demo-result-regime {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  color: var(--success);
  font-size: 0.84rem;
  font-weight: 500;
}

.demo-checklist {
  display: grid;
  gap: 12px;
  margin: 4px 0 22px;
  padding: 0;
  list-style: none;
}

.demo-checklist li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 0.92rem;
}

.demo-check-dot {
  position: relative;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1.5px solid var(--border-strong);
}

.demo-checklist li.is-done .demo-check-dot {
  border-color: var(--success);
  background: var(--success-bg);
}

.demo-checklist li.is-done .demo-check-dot::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 6px;
  width: 5px;
  height: 9px;
  border: solid var(--success);
  border-width: 0 2px 2px 0;
  transform: rotate(40deg);
}

.demo-checklist li.is-attention .demo-check-dot {
  border-color: var(--attention);
  background: var(--attention-bg);
}

.demo-checklist li.is-attention {
  color: var(--attention);
  font-weight: 500;
}

.demo-override-list {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.demo-override-option {
  display: block;
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease;
}

.demo-override-option:hover,
.demo-override-option:focus-visible {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 5%, transparent);
  outline: 0;
}

.demo-override-option strong {
  display: block;
  margin-bottom: 2px;
  font-size: 0.94rem;
}

.demo-override-option span {
  color: var(--muted);
  font-size: 0.8rem;
}

.demo-feedback {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
}

.demo-feedback-label {
  margin: 0 0 10px;
  font-size: 0.88rem;
  font-weight: 700;
}

.demo-feedback-label span {
  color: var(--soft);
  font-weight: 400;
}

.feedback-stars {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 22px;
}

.feedback-star {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: none;
  color: var(--soft);
  cursor: pointer;
  transition: color 120ms ease, transform 120ms ease;
}

.feedback-star svg {
  width: 24px;
  height: 24px;
}

.feedback-star:hover,
.feedback-star:focus-visible {
  color: var(--text);
  outline: 0;
  transform: scale(1.08);
}

.feedback-star.is-filled {
  color: var(--primary);
}

.feedback-star.is-filled svg {
  fill: currentColor;
}

.feedback-stars-label {
  margin-left: 8px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 500;
}

.feedback-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.feedback-tag {
  padding: 8px 16px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease, color 140ms ease;
}

.feedback-tag:hover,
.feedback-tag:focus-visible {
  border-color: var(--primary);
  color: var(--text);
  outline: 0;
}

.feedback-tag.is-active {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--on-primary);
}

.demo-feedback textarea {
  width: 100%;
  min-height: 96px;
  margin-bottom: 14px;
  padding: 12px 14px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  resize: vertical;
}

.demo-feedback textarea:focus-visible {
  border-color: var(--primary);
  outline: 0;
}

.feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.feedback-actions .demo-btn {
  width: auto;
  min-height: 44px;
  padding: 0 22px;
}

.demo-thanks {
  display: none;
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 500;
}

.demo-thanks.is-visible {
  display: block;
}

.demo-disclaimer {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 6px;
  color: var(--soft);
  font-size: 0.74rem;
  line-height: 1.5;
  text-align: center;
}

.demo-disclaimer strong {
  color: var(--muted);
}

/* Import animation */
.import-checklist {
  display: grid;
  gap: 12px;
  margin: 0 0 4px;
  padding: 0;
  list-style: none;
}

.import-item {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  color: var(--soft);
  overflow: hidden;
  transition: color 200ms ease, border-color 200ms ease, background 200ms ease;
}

.import-item.is-done {
  color: var(--text);
  border-color: var(--success);
  background: var(--success-bg);
}

.import-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 13px 16px;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: left;
  cursor: default;
}

.import-item.is-done .import-item-row {
  cursor: pointer;
}

.import-item-label {
  flex: 1;
}

.import-dot {
  position: relative;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid var(--border-strong);
}

.import-item.is-done .import-dot {
  border-color: var(--success);
  background: var(--success);
}

.import-item.is-done .import-dot::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 5px;
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(40deg);
}

.import-chevron {
  display: flex;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  color: var(--soft);
  opacity: 0;
  transform: rotate(0deg);
  transition: transform 180ms ease, opacity 180ms ease;
}

.import-item.is-done .import-chevron {
  opacity: 1;
}

.import-item-row[aria-expanded="true"] .import-chevron {
  transform: rotate(180deg);
}

.import-item-detail {
  padding: 0 16px 14px;
}

.import-item-detail dl {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.import-item-detail dl > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.import-item-detail dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
}

.import-item-detail dd {
  margin: 0;
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 600;
  text-align: right;
}

.import-item-detail dl > div.is-total {
  padding-top: 6px;
  border-top: 1px dashed var(--border);
}

.import-item-detail dl > div.is-total dt,
.import-item-detail dl > div.is-total dd {
  font-weight: 700;
}

/* Analysing AIS loader */
.demo-analyzing {
  padding: 30px 4px 6px;
  text-align: center;
}

.demo-analyzing-label {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
}

.demo-analyzing-percent {
  margin: 0 0 20px;
  color: var(--text);
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.demo-analyzing-track {
  position: relative;
  height: 6px;
  margin-bottom: 18px;
  border-radius: var(--radius-pill);
  background: var(--surface-2);
  overflow: hidden;
}

.demo-analyzing-fill {
  position: absolute;
  inset: 0;
  width: 0%;
  border-radius: inherit;
  background: var(--primary);
  transition: width 120ms linear;
}

#demo-analyzing-substep {
  margin: 0;
}

/* Deduction toggles */
.demo-toggle-list {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.demo-toggle {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease;
}

.demo-toggle strong {
  display: block;
  margin-bottom: 2px;
  font-size: 0.94rem;
}

.demo-toggle span span {
  color: var(--muted);
  font-size: 0.8rem;
}

.demo-toggle-switch {
  position: relative;
  flex-shrink: 0;
  width: 40px;
  height: 24px;
  border-radius: 20px;
  background: var(--border-strong);
  transition: background 160ms ease;
}

.demo-toggle-switch::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 160ms ease;
}

.demo-toggle.is-on {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 5%, transparent);
}

.demo-toggle.is-on .demo-toggle-switch {
  background: var(--primary);
}

.demo-toggle.is-on .demo-toggle-switch::after {
  transform: translateX(16px);
}

/* Verify: detected capital gains row */
.verify-capgains {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
  padding: 14px 16px;
  border: 1.5px solid var(--attention);
  border-radius: var(--radius-lg);
  background: var(--attention-bg);
  transition: border-color 160ms ease, background 160ms ease;
}

.verify-capgains.is-done {
  border-color: var(--success);
  background: var(--success-bg);
}

.verify-capgains.is-excluded {
  border-color: var(--border-strong);
  background: var(--surface-2);
}

.verify-capgains-info {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.verify-capgains-info strong {
  display: block;
  font-size: 0.92rem;
}

.verify-capgains-info span {
  color: var(--muted);
  font-size: 0.82rem;
}

.verify-capgains .demo-check-dot {
  margin-top: 2px;
  border-color: var(--attention);
  background: var(--surface);
}

.verify-capgains.is-done .demo-check-dot {
  position: relative;
  border-color: var(--success);
  background: var(--success-bg);
}

.verify-capgains.is-done .demo-check-dot::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 5px;
  width: 5px;
  height: 9px;
  border: solid var(--success);
  border-width: 0 2px 2px 0;
  transform: rotate(40deg);
}

.verify-capgains-actions {
  display: flex;
  gap: 10px;
}

.verify-capgains-actions[hidden] {
  display: none;
}

.demo-btn-sm {
  min-height: 36px;
  padding: 0 14px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease;
}

.demo-btn-sm:hover,
.demo-btn-sm:focus-visible {
  border-color: var(--primary);
  outline: 0;
}

.demo-btn-sm.is-quiet {
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

.verify-capgains-status {
  margin: 0;
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 500;
}

.verify-capgains-status[hidden] {
  display: none;
}

.verify-capgains-status a {
  color: var(--link);
  font-weight: 500;
}

/* Expandable "more" sections (verify + compare screens) */
.verify-more {
  margin-bottom: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  overflow: hidden;
}

.verify-more[open] {
  padding-bottom: 16px;
}

.verify-more summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding: 14px 16px;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.verify-more summary::-webkit-details-marker {
  display: none;
}

.verify-more summary::after {
  content: "+";
  margin-left: auto;
  color: var(--soft);
  font-size: 1.1rem;
  font-weight: 700;
}

.verify-more[open] summary::after {
  content: "–";
}

.verify-more summary span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 500;
}

.verify-more .demo-toggle-list {
  margin: 4px 16px 0;
}

.verify-more .demo-fine {
  margin: 12px 16px 0;
}

/* Regime comparison */
.regime-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.regime-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 18px 16px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--surface);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease;
}

.regime-name {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.regime-amount {
  color: var(--text);
  font-size: 1.5rem;
  font-weight: 700;
}

.regime-note {
  color: var(--soft);
  font-size: 0.78rem;
}

.regime-badge {
  display: none;
  margin-top: 6px;
  padding: 2px 9px;
  border-radius: 20px;
  background: var(--success);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.regime-card.is-recommended {
  border-color: var(--success);
  background: var(--success-bg);
}

.regime-card.is-recommended .regime-badge {
  display: inline-block;
}

/* Review summary */
.summary-box {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  margin-bottom: 22px;
  overflow: hidden;
}

.summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}

.summary-row:last-child {
  border-bottom: none;
}

.summary-row span {
  color: var(--muted);
}

.summary-row strong {
  color: var(--text);
}

.summary-row.is-outcome {
  background: var(--surface);
}

.summary-row.is-outcome strong.is-payable {
  color: var(--attention);
}

.summary-row.is-outcome strong.is-refund {
  color: var(--success);
}

/* OTP input */
.otp-row {
  display: flex;
  gap: 8px;
  margin-bottom: 22px;
}

.otp-box {
  width: 100%;
  min-height: 54px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 1.3rem;
  font-weight: 700;
  text-align: center;
  transition: border-color 150ms ease, background 150ms ease, box-shadow 150ms ease;
}

.otp-box:focus-visible {
  border-color: var(--primary);
  outline: 0;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 25%, transparent);
}

.otp-box.is-filled {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 6%, var(--surface));
}

.demo-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Challan check */
.demo-input-row {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
}

.demo-input-row label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 500;
}

.demo-input-row input {
  min-height: 48px;
  padding: 0 14px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.94rem;
}

.demo-input-row input:focus-visible {
  border-color: var(--primary);
  outline: 0;
}

.demo-input-row input.is-invalid {
  border-color: var(--attention);
}

.demo-field-error {
  display: flex;
  gap: 8px;
  margin: -6px 0 14px;
  color: var(--attention);
  font-size: 0.84rem;
  font-weight: 500;
  line-height: 1.5;
}

.demo-field-error[hidden] {
  display: none;
}

.demo-field-error::before {
  content: "";
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--attention-bg);
}

.demo-warn-box {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  padding: 13px 15px;
  border-radius: var(--radius-lg);
  background: var(--attention-bg);
  color: var(--attention);
  font-size: 0.86rem;
  line-height: 1.5;
  font-weight: 500;
}

/* Home hub */
.demo-hero {
  padding: 40px 32px;
  margin-bottom: 32px;
  border-radius: var(--radius-lg);
  background: var(--text);
  color: var(--bg);
}

.demo-hero-badge {
  display: inline-flex;
  align-items: center;
  margin-bottom: 18px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--bg) 14%, transparent);
  color: var(--bg);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.demo-hero-heading {
  margin: 0 0 14px;
  max-width: 640px;
  color: var(--bg);
  font-size: clamp(1.9rem, 3.6vw, 2.6rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.demo-hero-body {
  margin: 0 0 26px;
  max-width: 560px;
  color: color-mix(in srgb, var(--bg) 78%, transparent);
  font-size: 1rem;
}

.demo-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  max-width: none;
  margin-top: 0;
}

.demo-btn.demo-hero-cta {
  width: auto;
  min-width: 210px;
  padding: 0 26px;
  border-radius: var(--radius-pill);
  background: var(--bg);
  color: var(--text);
  border-color: var(--bg);
}

.demo-btn.demo-hero-cta:hover,
.demo-btn.demo-hero-cta:focus-visible {
  background: color-mix(in srgb, var(--bg) 85%, var(--text));
  border-color: var(--bg);
  outline: 0;
}

.demo-hero-secondary {
  color: var(--bg);
  font-weight: 600;
  font-size: 0.92rem;
  opacity: 0.88;
}

.demo-hero-secondary:hover,
.demo-hero-secondary:focus-visible {
  opacity: 1;
  text-decoration: underline;
}

.demo-hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  list-style: none;
  margin: 30px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid color-mix(in srgb, var(--bg) 20%, transparent);
  color: color-mix(in srgb, var(--bg) 72%, transparent);
  font-size: 0.82rem;
}

.home-section-title {
  margin: 0 0 14px;
  font-size: 1.02rem;
  font-weight: 700;
}

.value-prop-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 36px;
}

.value-prop-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding: 20px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.value-prop-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 6px;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary);
}

.value-prop-icon svg {
  width: 20px;
  height: 20px;
}

.value-prop-card strong {
  font-size: 1rem;
  font-weight: 700;
}

.value-prop-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.value-prop-link {
  margin-top: 8px;
  border: 0;
  background: none;
  padding: 0;
  color: var(--primary);
  font: inherit;
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.value-prop-link:hover,
.value-prop-link:focus-visible {
  color: var(--primary-dark);
  outline: 0;
}

.quick-links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 44px;
}

.quick-link-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 18px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease, transform 140ms ease;
}

.quick-link-card:hover,
.quick-link-card:focus-visible {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 5%, transparent);
  outline: 0;
}

.quick-link-card:active {
  transform: scale(0.99);
}

.quick-link-card.is-disabled {
  cursor: default;
  opacity: 0.62;
}

.quick-link-card.is-disabled:hover {
  border-color: var(--border-strong);
  background: var(--surface);
}

.quick-link-title {
  font-size: 0.98rem;
  font-weight: 700;
}

.quick-link-desc {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.quick-link-status {
  margin-top: 4px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--soft);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.quick-link-status.is-open {
  background: color-mix(in srgb, var(--success) 12%, transparent);
  color: var(--success);
}

/* Home: tabbed info module */
.home-info-module {
  margin-bottom: 44px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
}

.home-info-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.home-info-tab {
  padding: 8px 16px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-pill-tab);
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease, color 140ms ease;
}

.home-info-tab:hover,
.home-info-tab:focus-visible {
  border-color: var(--primary);
  color: var(--text);
  outline: 0;
}

.home-info-tab.is-active {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--on-primary);
}

.home-info-panels {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  align-items: center;
}

.home-info-panel {
  display: grid;
  gap: 16px;
}

.home-info-panel[hidden] {
  display: none;
}

.home-info-list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.home-info-list li {
  display: flex;
  gap: 12px;
}

.home-info-list-icon {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--primary);
}

.home-info-list-icon svg {
  width: 17px;
  height: 17px;
}

.home-info-list strong {
  display: block;
  margin-bottom: 2px;
  font-size: 0.92rem;
  font-weight: 700;
}

.home-info-list span {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.home-info-illustration {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
}

.home-info-illustration svg {
  width: 100%;
  max-width: 220px;
  height: auto;
}

/* Home: FAQ accordion */
.home-faq {
  padding-top: 36px;
  border-top: 1px solid var(--border);
}

.home-faq-list {
  display: grid;
  border-top: 1px solid var(--border);
}

.home-faq-item {
  border-bottom: 1px solid var(--border);
}

.home-faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 16px 0;
  border: 0;
  background: none;
  color: var(--text);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.home-faq-question:hover,
.home-faq-question:focus-visible {
  color: var(--primary);
  outline: 0;
}

.home-faq-question .qna-chevron {
  flex-shrink: 0;
  color: var(--soft);
  transition: transform 160ms ease;
}

.home-faq-question[aria-expanded="true"] .qna-chevron {
  transform: rotate(180deg);
}

.home-faq-answer {
  padding: 0 0 16px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.home-faq-answer a {
  color: var(--link);
  font-weight: 500;
}

.home-faq-viewall {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  color: var(--primary);
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
}

.home-faq-viewall:hover,
.home-faq-viewall:focus-visible {
  color: var(--primary-dark);
  outline: 0;
}

@media (max-width: 760px) {
  .value-prop-grid {
    grid-template-columns: 1fr;
  }
  .home-info-panels {
    grid-template-columns: 1fr;
  }
  .home-info-illustration {
    order: -1;
    max-width: 200px;
    margin: 0 auto;
  }
}

/* Guide */
.guide-callout {
  display: flex;
  gap: 10px;
  margin: 0 0 26px;
  padding: 14px 16px;
  border-radius: var(--radius-lg);
  background: var(--attention-bg);
  color: var(--attention);
  font-size: 0.88rem;
  line-height: 1.55;
}

.guide-callout strong {
  color: var(--text);
}

.guide-steps {
  display: grid;
  gap: 18px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.guide-steps li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.guide-step-num {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--primary);
  font-size: 0.86rem;
  font-weight: 700;
}

.guide-steps strong {
  display: block;
  margin-bottom: 3px;
  font-size: 0.96rem;
}

.guide-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.demo-actions-row {
  display: flex;
  gap: 14px;
  max-width: 420px;
}

.demo-actions-row .demo-btn {
  width: auto;
  flex: 1;
}

@media (max-width: 480px) {
  .demo-card {
    padding: 28px 20px 24px;
  }
  .demo-heading {
    font-size: 1.32rem;
  }
  .regime-grid {
    grid-template-columns: 1fr;
  }
  .otp-row {
    gap: 6px;
  }
}

@media (max-width: 700px) {
  .site-nav-link:not(.is-active) {
    display: none;
  }
  .auth-grid {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .auth-side {
    border-right: 0;
    border-bottom: 1px solid var(--border);
    padding: 26px 24px;
  }
  .auth-form-panel {
    padding: 30px 24px;
  }
}

@media (max-width: 480px) {
  .site-header-inner {
    gap: 10px;
    padding: 12px 14px;
  }
  .site-nav {
    display: none;
  }
  .demo-ay-badge {
    padding: 4px 8px;
    font-size: 0.62rem;
  }
  .theme-toggle {
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }
  .site-meta-bar-inner {
    padding: 8px 14px;
    font-size: 0.76rem;
  }
}

/* Interactive calculator */
.calculator-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.calculator-inputs {
  display: grid;
  gap: 20px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
}

.calc-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.calc-field {
  display: grid;
  gap: 8px;
}

.calc-label {
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 700;
}

.calc-input {
  min-height: 46px;
  padding: 0 14px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.94rem;
}

.calc-input:focus-visible {
  border-color: var(--primary);
  outline: 0;
}

.calc-hint {
  margin: 0;
  color: var(--soft);
  font-size: 0.76rem;
  line-height: 1.45;
}

.calc-segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.calc-segment {
  padding: 8px 14px;
  border: 1.5px solid var(--border-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease, color 140ms ease;
}

.calc-segment:hover,
.calc-segment:focus-visible {
  border-color: var(--primary);
  outline: 0;
}

.calc-segment.is-selected {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--on-primary);
}

.calc-reset {
  justify-self: start;
  width: auto;
  padding: 0 4px;
  min-height: auto;
}

.calculator-summary {
  position: sticky;
  top: 20px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.calc-summary-heading {
  margin: 0 0 16px;
  font-size: 1.02rem;
  font-weight: 700;
}

.calc-summary-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 16px;
  font-size: 0.84rem;
}

.calc-summary-table th,
.calc-summary-table td {
  padding: 9px 6px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.calc-summary-table thead th {
  color: var(--soft);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.calc-summary-table tbody th {
  color: var(--muted);
  font-weight: 500;
}

.calc-summary-table td {
  color: var(--text);
  font-weight: 500;
}

.calc-summary-table tr.is-total th,
.calc-summary-table tr.is-total td {
  border-bottom: none;
  padding-top: 12px;
  font-size: 0.94rem;
  font-weight: 700;
}

.calc-savings {
  margin: 0 0 14px;
  padding: 12px 14px;
  border-radius: var(--radius-lg);
  background: var(--success-bg);
  color: var(--success);
  font-size: 0.86rem;
  line-height: 1.5;
}

.calc-savings strong {
  color: var(--success);
}

/* Real life case studies */
.case-study-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.case-study-card {
  display: grid;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
}

.case-study-persona {
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.case-study-quote {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--border-strong);
  color: var(--text);
  font-size: 0.9rem;
  font-style: italic;
  line-height: 1.5;
}

.case-study-situation {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.case-study-outcome {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px;
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.case-study-form {
  flex-shrink: 0;
  padding: 4px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
}

.case-study-outcome p {
  margin: 0;
  color: var(--text);
  font-size: 0.84rem;
  line-height: 1.5;
}

.case-study-regime {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

.case-study-regime strong {
  color: var(--text);
}

/* Tax QnA */
.qna-controls {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
}

.qna-search-input {
  min-height: 48px;
  padding: 0 16px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.94rem;
}

.qna-search-input:focus-visible {
  border-color: var(--primary);
  outline: 0;
}

.qna-filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.qna-chip {
  padding: 7px 14px;
  border: 1.5px solid var(--border-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease, color 140ms ease;
}

.qna-chip:hover,
.qna-chip:focus-visible {
  border-color: var(--primary);
  outline: 0;
}

.qna-chip.is-active {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--on-primary);
}

.qna-list {
  display: grid;
  border-top: 1px solid var(--border);
  margin-bottom: 8px;
}

.qna-item {
  border-bottom: 1px solid var(--border);
}

.qna-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 15px 18px;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
}

.qna-question:hover,
.qna-question:focus-visible {
  color: var(--primary);
  outline: 0;
}

.qna-chevron {
  flex-shrink: 0;
  color: var(--soft);
  font-size: 1rem;
  transition: transform 160ms ease;
}

.qna-question[aria-expanded="true"] .qna-chevron {
  transform: rotate(180deg);
}

.qna-answer {
  padding: 0 0 16px;
}

.qna-answer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.qna-answer a {
  color: var(--link);
  font-weight: 500;
}

.qna-empty {
  padding: 20px;
  margin: 0 0 8px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

/* Video tutorials */
.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 8px;
}

.tutorial-grid[hidden] {
  display: none;
}

.tutorial-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: border-color 140ms ease, transform 140ms ease;
}

.tutorial-card:hover,
.tutorial-card:focus-visible {
  border-color: var(--primary);
  outline: 0;
}

.tutorial-card:active {
  transform: scale(0.99);
}

.tutorial-thumb {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 84px;
  border-radius: 8px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 16%, transparent), rgba(47, 95, 219, 0.06));
}

.tutorial-play {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 0.9rem;
}

.tutorial-duration {
  position: absolute;
  right: 8px;
  bottom: 8px;
  padding: 2px 7px;
  border-radius: 5px;
  background: rgba(15, 23, 42, 0.72);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
}

.tutorial-title {
  font-size: 0.9rem;
  font-weight: 700;
}

.tutorial-desc {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.tutorial-player {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
}

.tutorial-back {
  padding: 0;
  margin-bottom: 16px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
}

.tutorial-back:hover,
.tutorial-back:focus-visible {
  color: var(--primary);
  outline: 0;
}

.tutorial-player-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.tutorial-player-head h2 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
}

.tutorial-player-duration {
  flex-shrink: 0;
  color: var(--soft);
  font-size: 0.8rem;
  font-weight: 500;
}

.tutorial-progress {
  display: flex;
  gap: 5px;
  margin-bottom: 18px;
}

.tutorial-progress span {
  flex: 1;
  height: 4px;
  border-radius: 3px;
  background: var(--border);
}

.tutorial-progress span.is-done {
  background: var(--primary);
}

.tutorial-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 140px;
  padding: 28px;
  margin-bottom: 18px;
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.tutorial-frame p {
  margin: 0;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.5;
  text-align: center;
}

.tutorial-controls {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 10px;
}

.tutorial-frame-count {
  margin: 14px 0 0;
  color: var(--soft);
  font-size: 0.78rem;
  text-align: center;
}

@media (max-width: 760px) {
  .quick-links-grid {
    grid-template-columns: 1fr;
  }
  .case-study-grid {
    grid-template-columns: 1fr;
  }
  .tutorial-grid {
    grid-template-columns: 1fr;
  }
  .tutorial-controls {
    grid-template-columns: 1fr;
  }
  .demo-actions-row {
    max-width: none;
  }
  .calculator-grid {
    grid-template-columns: 1fr;
  }
  .calc-field-row {
    grid-template-columns: 1fr;
  }
  .calculator-summary {
    position: static;
  }
}

/* Chat support widget */
.chat-widget {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 40;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.chat-widget[hidden] {
  display: none;
}

.chat-bubble {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border: 0;
  border-radius: 50%;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 1.4rem;
  cursor: pointer;
  box-shadow: var(--shadow-3);
  transition: transform 140ms ease, background 140ms ease;
}

.chat-bubble:hover,
.chat-bubble:focus-visible {
  background: var(--primary-dark);
  transform: scale(1.05);
  outline: 0;
}

.chat-panel {
  display: flex;
  flex-direction: column;
  width: 340px;
  max-height: 480px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-2);
  overflow: hidden;
  animation: chat-pop 160ms ease both;
}

.chat-panel[hidden] {
  display: none;
}

@keyframes chat-pop {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.chat-panel-head {
  display: flex;
  flex-shrink: 0;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.chat-panel-head strong {
  display: block;
  font-size: 0.92rem;
}

.chat-panel-head span {
  color: var(--soft);
  font-size: 0.72rem;
}

.chat-close {
  flex-shrink: 0;
  padding: 2px 6px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.9rem;
  cursor: pointer;
}

.chat-close:hover,
.chat-close:focus-visible {
  color: var(--primary);
  outline: 0;
}

.chat-messages {
  display: flex;
  flex: 1 1 140px;
  flex-direction: column;
  gap: 10px;
  padding: 14px 16px;
  overflow-y: auto;
  min-height: 0;
  max-height: 260px;
}

.chat-msg p {
  margin: 0;
  padding: 9px 12px;
  border-radius: 12px;
  max-width: 88%;
  font-size: 0.84rem;
  line-height: 1.5;
}

.chat-msg.is-bot p {
  border-bottom-left-radius: 4px;
  background: var(--surface-2);
  color: var(--text);
}

.chat-msg.is-user {
  display: flex;
  justify-content: flex-end;
}

.chat-msg.is-user p {
  border-bottom-right-radius: 4px;
  background: var(--primary);
  color: var(--on-primary);
}

.chat-msg.is-typing p {
  color: var(--soft);
  font-style: italic;
}

.chat-quick-replies {
  display: flex;
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 16px 12px;
  max-height: 110px;
  overflow-y: auto;
}

.chat-chip {
  padding: 6px 11px;
  border: 1.5px solid var(--border-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  font-size: 0.74rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 140ms ease, color 140ms ease;
}

.chat-chip:hover,
.chat-chip:focus-visible {
  border-color: var(--primary);
  color: var(--primary);
  outline: 0;
}

.chat-input-row {
  display: flex;
  flex-shrink: 0;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}

.chat-input-row input {
  flex: 1;
  min-height: 40px;
  padding: 0 12px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.84rem;
}

.chat-input-row input:focus-visible {
  border-color: var(--primary);
  outline: 0;
}

.chat-send {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--primary);
  color: var(--on-primary);
  font-size: 1rem;
  cursor: pointer;
}

.chat-send:hover,
.chat-send:focus-visible {
  background: var(--primary-dark);
  outline: 0;
}

@media (max-width: 480px) {
  .chat-widget {
    right: 14px;
    bottom: 14px;
    left: 14px;
    align-items: flex-end;
  }
  .chat-panel {
    width: 100%;
    max-height: 70vh;
  }
}