.page-shell {
  --case-heading-size: 20px;
  --case-heading-line: 26px;
  --case-body-line: 24px;
  --case-block-gap: 96px;
  width: min(100%, var(--page));
  margin: 0 auto;
  padding: 96px 28px 48px;
}

.page-shell main {
  display: grid;
  gap: 48px;
}

.page-shell main > *,
.case-hero > *,
.case-section > * {
  min-width: 0;
}

.case-hero,
.case-section {
  display: grid;
  gap: 24px;
}

.case-hero {
  padding: 42px 0 24px;
}

.case-intro {
  display: grid;
  gap: 24px;
}

.back-to-projects {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  min-height: 44px;
  color: #666666;
  font-size: 15px;
  line-height: 20px;
  font-weight: 400;
  text-decoration: none;
  text-underline-offset: 3px;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}

.back-to-projects svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1;
}

.back-to-projects:hover {
  color: #000000;
  text-decoration: underline;
}

.back-to-projects:focus-visible {
  color: #000000;
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

.case-company {
  display: inline-flex;
  align-items: flex-start;
  gap: 14px;
  width: fit-content;
}

.case-company img {
  width: 56px;
  height: 56px;
  flex: 0 0 auto;
  border-radius: 22%;
  object-fit: cover;
}

.case-company__text {
  display: grid;
  gap: 4px;
  padding-top: 2px;
}

.case-company__text h1 {
  color: var(--text);
  font-size: var(--heading-2-size);
  line-height: var(--heading-2-line);
  font-weight: 500;
  letter-spacing: 0;
}

.case-company__text p {
  color: var(--muted);
  font-size: var(--text-size);
  line-height: var(--text-line);
  font-weight: 400;
}

.hero-copy {
  display: grid;
  justify-items: start;
  gap: 16px;
  max-width: none;
  margin-top: 0;
}

.badge {
  color: var(--muted);
  font-size: var(--description-size);
  line-height: var(--description-line);
  font-weight: 400;
  letter-spacing: 0;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: #ffffff;
  color: var(--text);
  font-size: var(--description-size);
  line-height: var(--description-line);
  font-weight: 400;
  letter-spacing: 0;
  white-space: nowrap;
}

.section-head .section-kicker {
  justify-self: center;
}

.closing-panel > .section-kicker {
  justify-self: center;
  margin-bottom: 22px;
}

.hero-copy h1 {
  position: static;
  max-width: 672px;
  color: var(--muted);
  font-size: var(--display-size);
  line-height: var(--display-line);
  font-weight: 400;
  letter-spacing: 0;
}

.hero-copy h1::before,
.hero-copy h1::after {
  content: none;
}

.hero-description,
.section-intro,
.text-panel p,
.question-card p,
.soft-card p,
.next-panel p,
.closing-panel p,
.insight-card p,
.solution-card p,
.screen-card p,
.edge-card p,
.matrix-cell p,
.placeholder-card p,
.decision-table td,
.question-list,
.plain-list,
.step-list {
  color: #333333;
  font-size: var(--text-size);
  line-height: var(--case-body-line);
  font-weight: 400;
}

.hero-description {
  width: 100%;
  max-width: 100%;
}

.case-section p {
  font-size: var(--text-size);
  line-height: var(--case-body-line);
}

.result-emphasis {
  font-weight: 400;
  font-style: normal;
}

.hero-actions,
.closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.closing-actions {
  justify-content: center;
}

.primary-link,
.secondary-link,
.like-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  width: fit-content;
  padding: 0 18px;
  border-radius: 100px;
  font-size: var(--description-size);
  line-height: var(--description-line);
  font-weight: 400;
  transition: transform 180ms ease;
}

.like-button {
  gap: 8px;
  border: 0;
  background: #ffffff;
  color: #000000;
  box-shadow: var(--shadow);
  cursor: pointer;
  font-family: inherit;
}

.like-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.like-button__count {
  min-width: 1ch;
}

.like-button.is-liked svg {
  fill: currentColor;
}

.primary-link {
  background: #000000;
  color: #ffffff;
}

.secondary-link {
  background: #ffffff;
  color: #000000;
  box-shadow: var(--shadow);
}

.primary-link:hover,
.secondary-link:hover,
.like-button:hover {
  animation: nav-button-vibrate 260ms ease-in-out;
}

.hero-visual {
  overflow: hidden;
  width: min(140%, calc(100vw - 56px));
  margin-left: 50%;
  transform: translateX(-50%);
  aspect-ratio: 672 / 420;
  border-radius: 16px;
  background: #f4f4f4;
}

.case-cover {
  aspect-ratio: 1320 / 360;
}

.case-cover--mockup {
  aspect-ratio: 16 / 9;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-visual picture,
.case-intro-visual picture {
  display: block;
  width: 100%;
  height: 100%;
}

.case-intro-visual {
  width: min(140%, calc(100vw - 56px));
  margin: 0 0 0 50%;
  transform: translateX(-50%);
}

.case-intro-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  cursor: zoom-in;
}

.hero-glow {
  display: none;
}

.section-head,
.text-panel,
.summary-block,
.scheme-card,
.question-card,
.soft-card,
.artifact-card,
.insight-card,
.solution-card,
.table-card,
.next-panel,
.closing-panel,
.blueprint-card,
.journey-board,
.chain-board,
.layer-card,
.ia-card,
.edge-card,
.screen-card,
.process-zone,
.process-stage,
.matrix-cell {
  display: grid;
  gap: 10px;
}

.section-head {
  gap: 32px;
}

.text-panel--summary {
  gap: var(--case-block-gap);
}

.summary-block {
  gap: 32px;
}

.impact-list,
.impact-item {
  display: grid;
}

.impact-list {
  gap: 28px;
}

.impact-item {
  gap: 4px;
}

.impact-item h3 {
  color: var(--text);
  font-size: var(--text-size);
  line-height: var(--case-body-line);
  font-weight: 600;
}

.summary-block .section-kicker {
  justify-self: center;
}

.section-head h2,
.text-panel h2,
.closing-panel h2 {
  color: var(--text);
  font-size: var(--case-heading-size);
  line-height: var(--case-heading-line);
  font-weight: 500;
  letter-spacing: 0;
}

.section-subtitle {
  color: var(--text);
  font-size: var(--text-size);
  line-height: var(--case-body-line);
  font-weight: 600;
}

.question-card h3,
.soft-card h3,
.solution-card h3,
.insight-card h3,
.layer-card h3,
.ia-card h3,
.edge-card h3,
.screen-card h3,
.process-zone h3,
.process-stage h3 {
  color: var(--text);
  font-size: var(--text-size);
  line-height: var(--text-line);
  font-weight: 500;
  letter-spacing: 0;
}

.solution-card h3,
#final-solution .text-panel strong,
#result .text-panel strong {
  color: #333333;
  font-weight: 600;
}

.case-section {
  gap: 26px;
  padding: 24px 0;
}

.page-shell main > .case-section:last-of-type {
  padding-bottom: 0;
}

.case-section > .section-head:not(:first-child) {
  margin-top: calc(var(--case-block-gap) - 26px);
}

.text-panel > .section-head + p,
.closing-panel h2 + p {
  margin-top: 16px;
}

.split-section,
.tldr-grid,
.triple-grid,
.artifact-grid,
.insight-grid,
.solution-grid,
.quad-grid,
.edge-grid,
.screen-grid,
.layer-stack,
.ia-grid,
.process-zone-grid,
.process-stage-grid,
.priority-matrix {
  display: grid;
  gap: 20px;
}

.artifact-grid,
.screen-grid,
.case-section > .screen-placeholder,
.case-section > .artifact-card,
.summary-block > .artifact-card,
.closing-panel > .artifact-card--full-width {
  width: min(140%, calc(100vw - 56px));
  margin-left: 50%;
  margin-top: 16px;
  margin-bottom: 16px;
  transform: translateX(-50%);
}

.tldr-card-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.tldr-icon,
.role-icon,
.context-flow-number {
  color: var(--muted);
  font-size: var(--description-size);
  line-height: var(--description-line);
  font-weight: 400;
}

.context-flow-list,
.question-list,
.plain-list,
.step-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 18px;
}

.context-flow-list,
.context-flow-text {
  font-size: var(--text-size);
  line-height: var(--case-body-line);
}

.context-flow-item {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
}

.context-flow-text {
  display: grid;
  gap: 4px;
}

.context-flow-text strong,
.stage-meta strong,
.journey-stage strong,
.blueprint-row span,
.artifact-card span,
.matrix-cell span {
  color: var(--text);
  font-size: var(--text-size);
  line-height: var(--case-body-line);
  font-weight: 500;
}

.stage-meta,
.journey-stage span,
.zone-label,
.artifact-card figcaption,
.section-intro + .triple-grid,
.blueprint-note {
  color: #333333;
  font-size: var(--text-size);
  line-height: var(--case-body-line);
}

.chain-track {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.chain-track span,
.chain-note,
.screen-placeholder span {
  color: #333333;
  font-size: var(--description-size);
  line-height: var(--description-line);
}

.chain-arrow {
  color: var(--muted);
}

.journey-stages,
.blueprint-grid {
  display: grid;
  gap: 12px;
}

.journey-zone,
.blueprint-row {
  display: grid;
  gap: 8px;
}

.blueprint-line {
  color: #333333;
  font-size: var(--text-size);
  line-height: var(--case-body-line);
}

.decision-table {
  width: 100%;
  border-collapse: collapse;
}

.decision-table th,
.decision-table td {
  padding: 10px 0;
  text-align: left;
  vertical-align: top;
}

.decision-table th {
  color: var(--text);
  font-size: var(--description-size);
  line-height: var(--description-line);
  font-weight: 500;
}

.artifact-card img {
  overflow: hidden;
  width: 100%;
  border-radius: 16px;
  background: #f4f4f4;
}

.artifact-card--transparent img {
  background: #ffffff;
}

.hero-visual > img,
.hero-visual picture > img,
.artifact-card > img {
  cursor: zoom-in;
}

.screen-placeholder {
  display: grid;
  place-items: center;
  min-height: 180px;
  padding: 24px;
  border-radius: 16px;
  background: #f4f4f4;
  text-align: center;
}

.artifact-grid--paired {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.screen-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.screen-pair .artifact-card img {
  height: 100%;
  object-fit: cover;
}

.artifact-grid--paired .artifact-card img {
  height: 100%;
  object-fit: cover;
}

.hero-visual .screen-placeholder {
  width: 100%;
  height: 100%;
  min-height: 0;
}

.case-section-final {
  padding-bottom: 56px;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 28px;
  background: rgba(0, 0, 0, 0.82);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.image-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.image-lightbox__image {
  position: relative;
  z-index: 1;
  max-width: calc(100vw - 56px);
  max-height: calc(100vh - 56px);
  border-radius: 12px;
  object-fit: contain;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  cursor: zoom-out;
  transform: translate(var(--image-x, 0), var(--image-y, 0)) scale(var(--image-zoom, 1));
  transition: transform 180ms ease;
  touch-action: none;
  user-select: none;
}

.image-lightbox__image.is-pannable {
  cursor: grab;
}

.image-lightbox__image.is-dragging {
  cursor: grabbing;
  transition: none;
}

.image-lightbox__close {
  position: fixed;
  z-index: 3;
  top: 28px;
  right: 28px;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border: 0;
  border-radius: 50%;
  background: #ffffff;
  color: #000000;
  font-family: inherit;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 180ms ease;
}

.image-lightbox__close svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.image-lightbox__close:hover {
  animation: nav-button-vibrate 260ms ease-in-out;
}

.image-lightbox__zoom {
  position: fixed;
  z-index: 3;
  left: 50%;
  bottom: 28px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  padding: 4px;
  border-radius: 100px;
  background: #ffffff;
  color: #000000;
  box-shadow: var(--shadow);
  transform: translateX(-50%);
}

.image-lightbox__zoom-button {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: #f0f0f0;
  color: #000000;
  cursor: pointer;
  transition: transform 180ms ease, opacity 180ms ease;
}

.image-lightbox__zoom-button:hover:not(:disabled) {
  animation: nav-button-vibrate 260ms ease-in-out;
}

.image-lightbox__zoom-button:disabled {
  cursor: default;
  opacity: 0.38;
}

.image-lightbox__zoom-button svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.image-lightbox__zoom-value {
  min-width: 72px;
  text-align: center;
  font-size: var(--text-size);
  line-height: var(--text-line);
  font-weight: 400;
  white-space: nowrap;
}

body.has-image-lightbox {
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  .primary-link,
  .secondary-link,
  .like-button,
  .image-lightbox,
  .image-lightbox__image,
  .image-lightbox__close,
  .image-lightbox__zoom-button {
    transition: none;
  }

  .primary-link:hover,
  .secondary-link:hover,
  .like-button:hover,
  .image-lightbox__close:hover,
  .image-lightbox__zoom-button:hover:not(:disabled) {
    animation: none;
  }
}

@media (max-width: 760px) {
  .page-shell {
    padding: 72px 18px 40px;
  }

  .page-shell main {
    gap: 40px;
  }

  .case-hero {
    padding-top: 30px;
  }

  .hero-visual,
  .case-intro-visual,
  .artifact-grid,
  .screen-grid,
  .case-section > .screen-placeholder,
  .case-section > .artifact-card,
  .summary-block > .artifact-card,
  .closing-panel > .artifact-card--full-width {
    width: calc(100vw - 36px);
  }

  .artifact-grid--paired {
    grid-template-columns: 1fr;
  }

  .screen-pair {
    grid-template-columns: 1fr;
  }

  .image-lightbox {
    padding: 14px;
  }

  .image-lightbox__image {
    max-width: calc(100vw - 28px);
    max-height: calc(100vh - 28px);
    border-radius: 8px;
  }

  .image-lightbox__close {
    top: 14px;
    right: 14px;
    width: 52px;
    height: 52px;
  }

  .image-lightbox__zoom {
    bottom: 14px;
    min-height: 52px;
  }

  .image-lightbox__zoom-button {
    width: 44px;
    height: 44px;
  }

}

@media (max-width: 560px) {
  .page-shell {
    padding: max(144px, calc(env(safe-area-inset-top, 0px) + 128px)) 16px 40px;
    --case-heading-size: 19px;
    --case-heading-line: 25px;
    --case-body-line: 23px;
    --case-block-gap: 72px;
  }

  .page-shell main {
    gap: 32px;
  }

  .case-hero,
  .case-section {
    gap: 20px;
  }

  .case-hero {
    padding-top: 36px;
  }

  .hero-visual,
  .case-intro-visual,
  .artifact-grid,
  .screen-grid,
  .case-section > .screen-placeholder,
  .case-section > .artifact-card,
  .summary-block > .artifact-card,
  .closing-panel > .artifact-card--full-width {
    width: calc(100vw - 32px);
  }

  .back-to-projects {
    font-size: 16px;
    line-height: 20px;
  }

  .artifact-grid--paired,
  .screen-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .hero-actions,
  .closing-actions {
    flex-wrap: nowrap;
    align-items: center;
    justify-content: center;
  }

  .primary-link,
  .secondary-link,
  .like-button {
    width: fit-content;
    min-width: 0;
  }

  .decision-table,
  .decision-table tbody,
  .decision-table tr,
  .decision-table td {
    display: block;
    width: 100%;
  }

  .decision-table thead {
    display: none;
  }

  .decision-table tr {
    padding: 12px 0;
    border-top: 1px solid var(--line);
  }

  .decision-table td {
    display: grid;
    grid-template-columns: minmax(104px, 0.72fr) minmax(0, 1fr);
    gap: 12px;
    padding: 6px 0;
  }

  .decision-table td::before {
    color: var(--muted);
    font-size: var(--description-size);
    line-height: var(--description-line);
  }

  .decision-table td:nth-child(1)::before {
    content: "Инсайт";
  }

  .decision-table td:nth-child(2)::before {
    content: "Риск для сделки";
  }

  .decision-table td:nth-child(3)::before {
    content: "Возможность";
  }

  .decision-table td:nth-child(4)::before {
    content: "Решение";
  }
}

.like-button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.like-status {
  max-width: 320px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--muted, #626262);
}

.like-status:empty {
  display: none;
}