/* ===== Parleva Case Study — Premium Layout ===== */

/* Header background responds to dark mode */
.header {
  background-color: var(--bg-color-cs);
}

/* Page offset for fixed-ish header */
.plv-page {
  padding-top: 120px;
  background-color: var(--background-color_lighter);
}

/* ── Wrappers ── */
.plv-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 80px;
  box-sizing: border-box;
}

.plv-wrap--narrow {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 80px;
  box-sizing: border-box;
}

/* ── Section base ── */
.plv-section {
  padding: 72px 0;
  border-top: 1px solid var(--border-color, #e5e7eb);
}

.plv-section--featured {
  background: color-mix(in srgb, var(--primary-color) 5%, var(--background-color_lighter));
  border-top-color: color-mix(in srgb, var(--primary-color) 15%, transparent);
}

/* ── Eyebrow / label ── */
.plv-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary-color);
  margin-bottom: 12px;
}

/* ── Section headings ── */
.plv-section h2 {
  font-size: clamp(1.4rem, 2vw + 0.8rem, 2rem);
  font-weight: 600;
  color: var(--text-headline);
  margin: 0 0 8px;
  line-height: 1.2;
}

.plv-section-intro {
  font-size: 15px !important;
  color: var(--text-secondary) !important;
  line-height: 1.7 !important;
  max-width: 660px;
  margin: 0 0 40px !important;
}

/* ── Prose ── */
.plv-prose p {
  font-size: 15px !important;
  line-height: 1.75 !important;
  color: var(--text-primary) !important;
  margin-bottom: 20px !important;
}

.plv-bold-statement {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-headline);
  line-height: 1.5;
  margin: 24px 0;
}

/* ════════════════════════════════
   1. HERO
════════════════════════════════ */
.plv-hero {
  padding: 80px 0 72px;
}

.plv-hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
  box-sizing: border-box;
}

.plv-eyebrow {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary-color);
  margin-bottom: 16px;
}

.plv-hero h1 {
  font-size: clamp(1.8rem, 2.5vw + 1rem, 2.8rem);
  font-weight: 700;
  color: var(--text-headline);
  line-height: 1.15;
  margin: 0 0 14px;
}

.plv-hero-sub {
  font-size: 16px !important;
  color: var(--text-secondary) !important;
  line-height: 1.65 !important;
  margin-bottom: 36px !important;
}

/* Summary 4-box grid */
.plv-summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.plv-summary-item {
  padding: 16px 18px;
  background: var(--background-color_lighter);
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.plv-summary-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary-color);
  margin-bottom: 5px;
}

.plv-summary-item p {
  font-size: 13px !important;
  line-height: 1.55 !important;
  color: var(--text-primary) !important;
  margin: 0 !important;
}

/* Hero visual */
.plv-hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.plv-hero-video-wrap {
  border-radius: 48px;
  overflow: hidden;
  display: inline-flex;
  max-height: 680px;
}

.plv-hero-video {
  max-height: 680px;
  width: auto;
  max-width: 100%;
  display: block;
}

.plv-screenshot-placeholder {
  width: 100%;
  aspect-ratio: 9 / 17;
  max-height: 520px;
  background: linear-gradient(160deg, #ededf8 0%, #e2e2f2 100%);
  border-radius: 28px;
  border: 1px solid var(--border-color, #e5e7eb);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-hover);
  font-size: 12px;
  box-shadow: var(--shadow);
}

.plv-screenshot-placeholder svg {
  opacity: 0.3;
}

/* ════════════════════════════════
   2. PROJECT SNAPSHOT
════════════════════════════════ */
.plv-snapshot-primary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 4px;
}

.plv-snapshot-secondary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color, #e5e7eb);
}

.plv-snapshot-item {
  padding: 16px 18px;
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 10px;
}

.plv-snapshot-item--hero {
  padding: 22px 24px;
  background: color-mix(in srgb, var(--primary-color) 3%, var(--background-color_lighter));
  border-color: color-mix(in srgb, var(--primary-color) 12%, transparent);
}

.plv-snapshot-item--hero .plv-snap-val {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-headline);
}

.plv-snapshot-item--span {
  grid-column: span 2;
}

.plv-snapshot-item--dim {
  border-color: transparent;
  background: transparent;
  padding: 10px 14px;
}

.plv-snapshot-item--dim .plv-snap-key {
  color: var(--text-hover);
}

.plv-snapshot-item--dim .plv-snap-val {
  font-size: 12px;
  color: var(--text-secondary);
}

.plv-snap-key {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-hover);
  margin-bottom: 5px;
}

.plv-snap-val {
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.5;
}

.plv-role-note {
  margin-top: 28px;
  padding: 20px 24px;
  border-left: 3px solid var(--primary-color);
  background: color-mix(in srgb, var(--primary-color) 2.5%, var(--background-color_lighter));
  border-radius: 0 8px 8px 0;
}

.plv-role-note p {
  font-size: 14px !important;
  color: var(--text-secondary) !important;
  line-height: 1.7 !important;
  margin: 0 !important;
}

/* ════════════════════════════════
   3. METRICS
════════════════════════════════ */
.plv-metrics-groups {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 4px;
}

.plv-metric-group-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--primary-color);
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border-color, #e5e7eb);
}

.plv-metric-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.plv-metric-card {
  padding: 20px 22px;
  background: var(--background-color_lighter);
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.plv-metric-number {
  font-size: 54px;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
  margin-bottom: 4px;
  letter-spacing: -1px;
}

.plv-metric-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.plv-metrics-note {
  margin-top: 24px;
  font-size: 13px !important;
  color: var(--text-hover) !important;
}

/* ════════════════════════════════
   4. PROBLEM
════════════════════════════════ */
.plv-before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 36px;
}

.plv-ba-col {
  padding: 24px 26px;
  border-radius: 12px;
}

.plv-ba-col--before {
  background: var(--background-color_lighter);
  border: 1px solid var(--border-color, #e5e7eb);
}

.plv-ba-col--after {
  background: color-mix(in srgb, var(--primary-color) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary-color) 25%, transparent);
}

.plv-ba-heading {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-hover);
  margin-bottom: 16px;
}

.plv-ba-col--after .plv-ba-heading {
  color: var(--primary-color);
}

.plv-ba-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.plv-ba-list li {
  margin-left: 0 !important;
  font-size: 14px;
  color: var(--text-primary);
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.plv-ba-list li::before {
  content: "–";
  font-size: 12px;
  color: var(--text-hover);
  flex-shrink: 0;
}

/* ════════════════════════════════
   5. INSIGHT
════════════════════════════════ */
.plv-pull-quote {
  font-size: clamp(1.4rem, 2vw + 0.8rem, 2rem);
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1.3;
  background: color-mix(in srgb, var(--primary-color) 6%, var(--background-color_lighter));
  border-left: 4px solid var(--primary-color);
  padding: 32px 40px;
  margin: 36px 0 40px;
  border-radius: 0 14px 14px 0;
}

.plv-transformation {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 280px;
}

.plv-transform-step {
  padding: 11px 20px;
  background: var(--background-color_lighter);
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
  width: 100%;
}

.plv-transform-arrow {
  padding: 3px 20px;
  color: var(--text-hover);
  font-size: 18px;
  line-height: 1;
}

/* ════════════════════════════════
   6. STRATEGY & BRAND
════════════════════════════════ */
.plv-principle-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-top: 24px;
}

.plv-principle-card {
  padding: 20px 18px;
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 10px;
}

.plv-principle-number {
  font-size: 26px;
  font-weight: 700;
  color: color-mix(in srgb, var(--primary-color) 45%, var(--text-primary));
  opacity: 1;
  line-height: 1;
  margin-bottom: 8px;
}

.plv-principle-text {
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.5;
  font-weight: 500;
}

.plv-copy-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 36px;
}

.plv-copy-col {
  padding: 20px 24px;
  border-radius: 10px;
}

.plv-copy-col--avoid {
  background: var(--background-color_lighter);
  border: 1px solid var(--border-color, #e5e7eb);
}

.plv-copy-col--use {
  background: color-mix(in srgb, var(--primary-color) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary-color) 25%, transparent);
}

.plv-copy-col-heading {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-hover);
  margin-bottom: 14px;
}

.plv-copy-col--use .plv-copy-col-heading {
  color: var(--primary-color);
}

.plv-copy-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.plv-copy-list li {
  margin-left: 0 !important;
  font-size: 14px;
  color: var(--text-primary);
  font-style: italic;
  line-height: 1.4;
}

/* ════════════════════════════════
   7. DESIGN CHALLENGE
════════════════════════════════ */
.plv-challenge-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 4px;
}

.plv-challenge-card {
  padding: 24px 22px;
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.plv-challenge-n {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--primary-color);
}

.plv-challenge-q {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-headline);
  line-height: 1.4;
  margin: 0;
}

.plv-challenge-row {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.plv-challenge-row-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-hover);
}

.plv-challenge-row-text {
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.5;
}

/* ════════════════════════════════
   8. SYSTEM DESIGN
════════════════════════════════ */

/* Behavior system equation */
.plv-behavior-system {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 36px 40px;
  background: color-mix(in srgb, var(--primary-color) 6%, var(--background-color_lighter));
  border: 1px solid color-mix(in srgb, var(--primary-color) 18%, transparent);
  border-radius: 16px;
  margin: 8px 0 48px;
  flex-wrap: wrap;
}

.plv-bs-inputs {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  flex-wrap: wrap;
}

.plv-bs-input {
  padding: 14px 20px;
  background: var(--background-color_lighter);
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.plv-bs-operator {
  color: var(--primary-color);
  font-size: 22px;
  font-weight: 300;
  flex-shrink: 0;
}

.plv-bs-equals {
  color: var(--primary-color);
  font-size: 28px;
  font-weight: 300;
  flex-shrink: 0;
  padding: 0 4px;
}

.plv-bs-output {
  padding: 18px 28px;
  background: var(--primary-color);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  box-shadow: 0 4px 16px color-mix(in srgb, var(--primary-color) 30%, transparent);
}

.plv-subsection {
  margin-bottom: 56px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--border-color, #e5e7eb);
}

.plv-subsection:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.plv-subsection h3 {
  font-size: clamp(1.05rem, 1.3vw + 0.7rem, 1.35rem);
  font-weight: 600;
  color: var(--text-headline);
  margin: 0 0 16px;
}

/* Conversation loop flow */
.plv-loop-flow {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  max-width: 100%;
  margin: 36px 0;
  gap: 0;
}

.plv-loop-step-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 80px;
}

.plv-loop-badge {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-color);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--primary-color) 35%, transparent);
}

.plv-loop-step-text {
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 500;
  text-align: center;
  line-height: 1.3;
}

.plv-loop-connector {
  width: 32px;
  height: 2px;
  background: color-mix(in srgb, var(--primary-color) 30%, var(--border-color, #e5e7eb));
  margin: 0;
  flex-shrink: 0;
  align-self: flex-start;
  margin-top: 19px;
}

/* Loop table */
.plv-loop-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 24px;
  font-size: 14px;
}

.plv-loop-table th {
  text-align: left;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-hover);
  padding: 8px 16px;
  border-bottom: 1px solid var(--border-color, #e5e7eb);
}

.plv-loop-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color, #e5e7eb);
  color: var(--text-primary);
  line-height: 1.55;
  vertical-align: top;
}

.plv-loop-table tr:last-child td {
  border-bottom: none;
}

/* Calibration flow */
.plv-calibration-flow {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 28px 0 16px;
}

.plv-calib-step {
  padding: 12px 20px;
  background: var(--background-color_lighter);
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 10px;
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
  white-space: nowrap;
}

.plv-calib-step:first-child,
.plv-calib-step:last-child {
  background: color-mix(in srgb, var(--primary-color) 8%, var(--background-color_lighter));
  border-color: color-mix(in srgb, var(--primary-color) 40%, transparent);
  color: var(--primary-color);
  font-weight: 600;
}

.plv-calib-arrow {
  color: var(--primary-color);
  font-size: 18px;
  flex-shrink: 0;
  font-weight: 300;
}

/* Motivation compare */
.plv-motivation-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 28px;
}

.plv-mot-col {
  padding: 22px 24px;
  border-radius: 12px;
}

.plv-mot-col--gamified {
  background: var(--background-color_lighter);
  border: 1px solid var(--border-color, #e5e7eb);
}

.plv-mot-col--parleva {
  background: color-mix(in srgb, var(--primary-color) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary-color) 25%, transparent);
}

.plv-mot-heading {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-hover);
  margin-bottom: 14px;
}

.plv-mot-col--parleva .plv-mot-heading {
  color: var(--primary-color);
}

.plv-mot-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.plv-mot-list li {
  margin-left: 0 !important;
  font-size: 14px;
  color: var(--text-primary);
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.plv-mot-list li::before {
  content: "–";
  font-size: 12px;
  color: var(--text-hover);
  flex-shrink: 0;
}

.plv-mot-question {
  font-size: 14px !important;
  font-weight: 600 !important;
  color: var(--text-primary) !important;
  line-height: 1.5 !important;
  margin-top: 20px !important;
}

/* ════════════════════════════════
   9. KEY UX DECISIONS
════════════════════════════════ */
.plv-decision-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 4px;
}

.plv-decision-card {
  padding: 24px;
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 12px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 28px;
  align-items: start;
}

.plv-decision-main h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-headline);
  margin: 0 0 8px;
}

.plv-decision-main p {
  font-size: 13px !important;
  color: var(--text-primary) !important;
  line-height: 1.6 !important;
  margin: 0 !important;
}

.plv-decision-side {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.plv-decision-side-label {
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  letter-spacing: 0.08em;
  color: var(--text-hover);
}

.plv-decision-side-text {
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.5;
}

/* ════════════════════════════════
   10. KEY FLOWS
════════════════════════════════ */
.plv-flow-blocks {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 4px;
}

.plv-flow-block {
  padding: 24px;
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 12px;
}

.plv-flow-block h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-headline);
  margin: 0 0 16px;
}

.plv-flow-steps {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.plv-flow-step {
  padding: 8px 14px;
  background: var(--background-color_lighter);
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 500;
}

.plv-flow-arrow {
  color: var(--text-hover);
  font-size: 13px;
  flex-shrink: 0;
}

.plv-flow-note {
  font-size: 13px !important;
  color: var(--text-secondary) !important;
  margin-top: 12px !important;
  font-style: italic;
}

/* Single centered screenshot */
.plv-screenshot-single {
  display: flex;
  justify-content: center;
  margin-top: 36px;
}

.plv-screenshot-single figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin: 0;
  max-width: 280px;
  width: 100%;
}

.plv-screenshot-single img {
  width: 100%;
  border-radius: 32px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
}

.plv-screenshot-single figcaption {
  font-size: 12px;
  color: var(--text-hover);
  text-align: center;
  line-height: 1.5;
}

/* Screenshots row */
.plv-screenshots-row {
  display: flex;
  gap: 32px;
  justify-content: center;
  margin-top: 48px;
}

.plv-screenshots-row figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin: 0;
  max-width: 280px;
  width: 100%;
}

.plv-screenshots-row img {
  width: 100%;
  border-radius: 32px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
}

.plv-screenshots-row figcaption {
  font-size: 12px;
  color: var(--text-hover);
  text-align: center;
  line-height: 1.5;
}

/* ════════════════════════════════
   11. RESULTS
════════════════════════════════ */
.plv-result-group {
  margin-bottom: 52px;
}

.plv-result-group:last-child {
  margin-bottom: 0;
}

.plv-result-group-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--primary-color);
  padding-bottom: 12px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color, #e5e7eb);
}

.plv-result-metrics {
  display: flex;
  gap: 14px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.plv-result-metric {
  padding: 20px 24px;
  background: var(--background-color_lighter);
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 10px;
  box-shadow: var(--shadow);
  min-width: 130px;
}

.plv-result-metric-number {
  font-size: 40px;
  font-weight: 700;
  color: var(--text-headline);
  line-height: 1;
  margin-bottom: 4px;
  letter-spacing: -0.5px;
}

.plv-result-metric-label {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Behavioral chain */
.plv-chain {
  display: flex;
  flex-direction: row;
  align-items: center;
  width: 100%;
  margin-top: 40px;
  padding: 28px 32px;
  background: color-mix(in srgb, var(--primary-color) 5%, var(--background-color_lighter));
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--primary-color) 15%, transparent);
  gap: 0;
}

.plv-chain-step {
  flex: 1;
  padding: 16px 12px;
  background: var(--background-color_lighter);
  border: 1px solid color-mix(in srgb, var(--primary-color) 20%, transparent);
  border-radius: 10px;
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 600;
  text-align: center;
  line-height: 1.35;
}

.plv-chain-arrow {
  padding: 0 10px;
  color: var(--primary-color);
  font-size: 20px;
  flex-shrink: 0;
  line-height: 1;
}

/* ════════════════════════════════
   12. EARLY USER FEEDBACK
════════════════════════════════ */
.plv-quote-featured {
  padding: 32px 32px 32px 36px;
  background: color-mix(in srgb, var(--primary-color) 5%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary-color) 20%, transparent);
  border-radius: 14px;
  position: relative;
  overflow: hidden;
  margin-bottom: 14px;
}

.plv-quote-featured::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--primary-color);
  border-radius: 14px 0 0 14px;
}

.plv-quote-featured-text {
  font-size: 22px !important;
  font-weight: 600 !important;
  color: var(--text-headline) !important;
  line-height: 1.4 !important;
  font-style: italic;
  margin: 0 0 12px !important;
}

.plv-quote-featured-note {
  font-size: 13px !important;
  color: var(--text-secondary) !important;
  margin: 0 !important;
}

.plv-quote-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.plv-quote-card {
  padding: 22px 22px 22px 26px;
  background: var(--background-color_lighter);
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}

.plv-quote-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--primary-color);
  opacity: 0.5;
  border-radius: 12px 0 0 12px;
}

.plv-quote-text {
  font-size: 14px !important;
  color: var(--text-primary) !important;
  line-height: 1.65 !important;
  font-style: italic;
  margin: 0 !important;
}

/* ════════════════════════════════
   13. TRADEOFFS
════════════════════════════════ */
.plv-tradeoff-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 4px;
}

.plv-tradeoff-card {
  padding: 24px;
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 12px;
}

.plv-tradeoff-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-headline);
  margin: 0 0 12px;
}

.plv-tradeoff-card p {
  font-size: 13px !important;
  color: var(--text-primary) !important;
  line-height: 1.7 !important;
  margin: 0 !important;
}

/* ════════════════════════════════
   14. WHAT I LEARNED
════════════════════════════════ */
.plv-learned-highlight {
  font-size: 18px;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.6;
  border-left: 3px solid var(--primary-color);
  padding: 20px 24px;
  margin: 32px 0;
  background: color-mix(in srgb, var(--primary-color) 2.5%, var(--background-color_lighter));
  border-radius: 0 8px 8px 0;
}

/* ════════════════════════════════
   15. AI WORKFLOW
════════════════════════════════ */
.plv-ai-card {
  padding: 28px 32px;
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 12px;
  max-width: 680px;
  margin-top: 4px;
}

.plv-ai-card h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-headline);
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-size: 11px;
  color: var(--primary-color);
}

.plv-ai-card p {
  font-size: 14px !important;
  color: var(--text-primary) !important;
  line-height: 1.7 !important;
  margin: 0 0 12px !important;
}

.plv-ai-card p:last-child {
  margin-bottom: 0 !important;
}

/* ════════════════════════════════
   16. WHAT'S NEXT
════════════════════════════════ */
.plv-roadmap-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 4px;
}

.plv-roadmap-card {
  padding: 24px 22px;
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.plv-roadmap-n {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--primary-color);
}

.plv-roadmap-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-headline);
  margin: 0;
}

.plv-roadmap-card p {
  font-size: 13px !important;
  color: var(--text-primary) !important;
  line-height: 1.65 !important;
  margin: 0 !important;
}

/* ════════════════════════════════
   17. CLOSING
════════════════════════════════ */
.plv-closing {
  padding: 96px 0;
  border-top: 1px solid var(--border-color, #e5e7eb);
  text-align: center;
}

.plv-closing-inner {
  max-width: 620px;
  margin: 0 auto;
  padding: 0 40px;
}

.plv-closing-body {
  font-size: 15px !important;
  color: var(--text-secondary) !important;
  line-height: 1.75 !important;
  margin-bottom: 52px !important;
}

.plv-closing-quote {
  font-size: clamp(1.5rem, 2.2vw + 0.8rem, 2.2rem);
  font-weight: 700;
  color: var(--text-headline);
  line-height: 1.3;
  font-style: italic;
  margin-bottom: 20px;
}

.plv-closing-final {
  font-size: 14px !important;
  color: var(--text-hover) !important;
  margin: 0 !important;
}

.plv-closing-cta {
  margin-top: 32px;
  display: flex;
  justify-content: center;
}

.plv-closing-cta .case_study_button {
  display: block;
  border-color: var(--border-color, rgba(0,0,0,0.15));
  min-height: 48px;
  padding: 14px 28px;
}

/* ════════════════════════════════
   NEXT CASE STUDY
════════════════════════════════ */
.next {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 80px;
  background: var(--background-color_lighter);
  border-top: 1px solid var(--border-color, #e5e7eb);
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
  width: 100%;
  box-sizing: border-box;
}

.next:hover {
  background: var(--about-background, #f3f3f3);
}

.next:hover .next-arrow {
  background: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateX(3px);
}

.next img {
  border-radius: 8px;
  object-fit: cover;
  height: 110px;
  width: 160px;
  flex-shrink: 0;
}

.next-text {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.next-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-hover, rgba(0, 0, 0, .45));
}

.next-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  display: flex;
  align-items: center;
  gap: 10px;
}

.next-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--line-color, rgba(0,0,0,.15));
  font-size: 0;
  color: transparent;
  flex-shrink: 0;
  position: relative;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.next-arrow::after {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-right: 1.5px solid var(--text-primary);
  border-top: 1.5px solid var(--text-primary);
  transform: rotate(45deg) translate(-2px, 0px);
  transition: border-color 0.2s;
}

.next:hover .next-arrow::after {
  border-color: #fff;
}

/* ════════════════════════════════
   RESPONSIVE
════════════════════════════════ */
@media (max-width: 1024px) {
  .plv-page {
    padding-top: 96px;
  }
  .plv-hero-inner,
  .plv-wrap,
  .plv-wrap--narrow {
    padding: 0 40px;
  }
  .plv-principle-cards {
    grid-template-columns: repeat(3, 1fr);
  }
  .plv-metrics-groups {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .plv-decision-card {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .next {
    padding: 24px 40px;
  }
}

@media (max-width: 700px) {
  .plv-page {
    padding-top: 0;
  }
  .plv-hero-inner,
  .plv-wrap,
  .plv-wrap--narrow {
    padding: 0 24px;
  }
  .plv-hero-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .plv-hero-visual {
    display: flex;
    justify-content: center;
  }
  .plv-hero-video-wrap {
    border-radius: 44px;
    max-height: 70svh;
  }
  .plv-hero-video {
    max-height: 70svh;
  }
  .plv-screenshots-row {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .plv-screenshots-row figure {
    max-width: 180px;
  }
  .plv-summary-grid,
  .plv-snapshot-primary,
  .plv-snapshot-secondary,
  .plv-before-after,
  .plv-copy-compare,
  .plv-challenge-cards,
  .plv-motivation-compare,
  .plv-quote-cards,
  .plv-tradeoff-cards,
  .plv-roadmap-cards,
  .plv-principle-cards {
    grid-template-columns: 1fr;
  }
  .plv-decision-card {
    grid-template-columns: 1fr;
  }
  .plv-section {
    padding: 48px 0;
  }
  .plv-hero {
    padding: 48px 0 40px;
  }
  .plv-closing {
    padding: 64px 0;
  }
  .next {
    padding: 20px 24px 44px;
    gap: 16px;
  }
  .next img {
    height: 84px;
    width: 126px;
  }
  .next-title {
    font-size: 15px;
  }
  .next-label {
    font-size: 10px;
  }

  .next-arrow {
    display: none;
  }

  .plv-chain {
    flex-direction: column;
    padding: 20px;
    gap: 4px;
  }

  .plv-chain-step {
    flex: none;
    width: 100%;
    text-align: left;
  }

  .plv-chain-arrow {
    padding: 0 0 0 12px;
    font-size: 16px;
    transform: rotate(90deg);
  }

  .plv-loop-flow {
    flex-wrap: wrap;
    gap: 8px;
  }

  .plv-loop-connector {
    display: none;
  }

  .plv-loop-step-row {
    flex-direction: row;
    flex: none;
    width: 100%;
    align-items: center;
    gap: 12px;
  }

  .plv-loop-step-text {
    text-align: left;
  }
}

@media (max-width: 450px) {
  .plv-page {
    padding-top: 0;
  }
  .plv-hero-inner,
  .plv-wrap,
  .plv-wrap--narrow {
    padding: 0 16px;
  }
}