/* ============================================
   WINTER.DESIGN — Case Study Page
   ============================================ */

.case-hero {
  padding-top: var(--header-h);
}

.case-hero__inner {
  padding: 72px 0 56px;
}

.case-hero__top {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
  margin-bottom: 48px;
}

.case-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.case-hero__meta span {
  padding: 8px 16px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: var(--color-accent-soft);
  border: 1px solid rgba(212, 137, 58, 0.2);
  border-radius: 100px;
}

.case-hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.03em;
  max-width: 14ch;
  margin-bottom: 28px;
}

.case-hero__desc {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 58ch;
  line-height: 1.7;
  margin-bottom: 0;
}

.case-hero__info {
  padding: 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.case-hero__info-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.case-hero__info-item dt {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.case-hero__info-item dd {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.45;
}

.case-hero__info-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.case-hero__info-tags span {
  padding: 6px 12px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-accent-dark);
  background: var(--color-accent-soft);
  border: 1px solid rgba(212, 137, 58, 0.18);
  border-radius: 100px;
}

.case-hero__visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #F8F6F2;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

.case-hero__visual img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.case-contribution {
  padding: 72px 0;
  border-top: 1px solid var(--color-border);
}

.case-contribution__inner {
  max-width: 720px;
}

.case-contribution__text {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  line-height: 1.75;
}

.case-contribution__text + .case-contribution__text {
  margin-top: 20px;
}

.case-section {
  padding: var(--space-section) 0;
}

.case-section--alt {
  background: var(--color-bg-alt);
}

.case-section__title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin-bottom: 32px;
  max-width: 20ch;
}

.case-section__text {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  line-height: 1.75;
  max-width: 68ch;
}

.case-section__text + .case-section__text {
  margin-top: 24px;
}

.case-section__text strong {
  color: var(--color-text);
  font-weight: 600;
}

.case-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.case-audience {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.case-audience__card {
  padding: 36px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.case-audience__card:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--color-border-strong);
}

.case-audience__card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  line-height: 1.3;
}

.case-audience__card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.case-solution {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}

.case-solution__points {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 40px;
}

.case-solution__point {
  padding-left: 24px;
  border-left: 2px solid rgba(212, 137, 58, 0.35);
}

.case-solution__point h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.case-solution__point p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.case-solution__card {
  padding: 40px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.case-solution__card-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 16px;
}

.case-solution__card h3 {
  font-size: 1.35rem;
  margin-bottom: 16px;
  line-height: 1.25;
}

.case-solution__card p {
  font-size: 0.975rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.case-screens__lead {
  margin-bottom: 40px;
}

.case-screens__lead p {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  max-width: 60ch;
  line-height: 1.7;
}

.case-screen {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #F8F6F2;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.case-screen img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.case-screen figcaption {
  padding: 20px 28px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.case-section--flow {
  padding-top: 48px;
  padding-bottom: 48px;
}

#screens.case-section--flow {
  padding-top: var(--space-section);
}

#nav-menu .case-screens__lead {
  margin-bottom: calc(40px + 1rem);
}

#adaptive.case-section--flow {
  padding-bottom: var(--space-section);
}

.case-menu-pair {
  display: grid;
  grid-template-columns: minmax(0, 3.1fr) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.case-menu-pair__card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.case-menu-pair__media {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 16px;
  margin-bottom: 20px;
  background: #F8F6F2;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.case-menu-pair__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
}

.case-menu-pair__title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 6px;
}

.case-menu-pair__meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.case-adaptive {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.1fr) minmax(0, 1.55fr);
  gap: 20px;
  margin-top: 48px;
  align-items: start;
}

.case-adaptive--duo {
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.9fr);
  align-items: start;
}

.case-adaptive--kodak {
  display: grid;
  grid-template-columns: 0.65fr 1fr 1.35fr;
  gap: 40px;
  align-items: start;
}

.case-adaptive--kodak .case-adaptive__card {
  display: block;
  width: 100%;
  min-width: 0;
  height: auto;
  padding: 0;
  background: none;
  border: 0;
  box-shadow: none;
  border-radius: 0;
  align-self: start;
}

.case-adaptive--kodak .case-adaptive__media {
  display: block;
  width: 100%;
  margin: 0 0 16px;
  padding: 0;
  background: none;
  border: 0;
  overflow: visible;
}

.case-adaptive--kodak .case-adaptive__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
}

.case-adaptive--kodak .case-adaptive__title,
.case-adaptive--kodak .case-adaptive__meta {
  text-align: left;
}

@media (max-width: 1024px) {
  .case-adaptive--kodak {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .case-adaptive--kodak {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.case-adaptive__card {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-width: 0;
  height: auto;
  align-self: start;
  padding: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.case-adaptive__media {
  display: block;
  padding: 0;
  margin-bottom: 20px;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.case-adaptive__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
}

.case-adaptive__title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 6px;
}

.case-adaptive__meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.case-deliverables {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.case-deliverables--6 {
  grid-template-columns: repeat(3, 1fr);
}

.case-deliverable {
  padding: 32px 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.case-deliverable:hover {
  box-shadow: var(--shadow-sm);
  border-color: rgba(212, 137, 58, 0.22);
}

.case-deliverable__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-accent-dark);
  background: var(--color-accent-soft);
  border-radius: 50%;
}

.case-deliverable h3 {
  font-size: 1rem;
  margin-bottom: 10px;
}

.case-deliverable p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.case-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.case-result {
  padding: 36px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.case-result__title {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 12px;
}

.case-result p {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.case-live {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
}

.case-live .case-section__title {
  max-width: none;
  margin-bottom: 24px;
}

.case-live .case-section__text {
  margin-inline: auto;
}

.case-live .btn {
  margin-top: 32px;
}

.case-cta {
  padding: 80px 0 var(--space-section);
  text-align: center;
}

.case-cta p {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  margin-bottom: 32px;
}

.case-nav .nav__link--back {
  color: var(--color-text-muted);
}

.case-nav .nav__link--back:hover {
  color: var(--color-text);
}

/* Responsive */

@media (max-width: 1024px) {
  .case-grid-2,
  .case-solution {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .case-hero__top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .case-hero__info {
    max-width: 480px;
  }

  .case-audience {
    grid-template-columns: 1fr;
  }

  .case-deliverables {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-deliverables--6 {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-adaptive {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.15fr);
  }

  .case-adaptive__card--wide {
    grid-column: 1 / -1;
  }

  .case-menu-pair {
    grid-template-columns: minmax(0, 2.6fr) minmax(0, 1fr);
  }

  .case-results {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .case-hero__inner {
    padding: 48px 0 40px;
  }

  .case-hero__title {
    max-width: none;
  }

  .case-deliverables {
    grid-template-columns: 1fr;
  }

  .case-deliverables--6 {
    grid-template-columns: 1fr;
  }

  .case-adaptive {
    grid-template-columns: 1fr;
  }

  .case-adaptive__card--wide {
    grid-column: auto;
  }

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

  .case-section--flow {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  #screens.case-section--flow {
    padding-top: var(--space-section);
  }

  #nav-menu .case-screens__lead {
    margin-bottom: calc(40px + 0.75rem);
  }

  #adaptive.case-section--flow {
    padding-bottom: var(--space-section);
  }

  .case-cta {
    padding: 56px 0 96px;
  }
}

@media (max-width: 480px) {
  .case-hero__inner {
    padding: 48px 24px 40px;
  }
}

@media (max-width: 360px) {
  .case-hero__inner {
    padding: 48px 16px 40px;
  }

  .case-hero__meta span {
    font-size: 0.72rem;
    padding: 7px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}