/* casebook/case-detail.html — 치료 사례 상세 (Case Study) */

:root {
  --cd-navy: #172b4d;
  --cd-charcoal: #111111;
  --cd-body: #444444;
  --cd-muted: #666666;
  --cd-border: #e8e8e4;
  --cd-bg-soft: #f7f7f5;
  --cd-bg-warm: #f7f4ee;
  --cd-white: #ffffff;
  --cd-max: 67.5rem;
  --cd-prose: 55rem;
  --cd-gold: #b08a57;
}

.page-case-detail {
  background: var(--cd-white);
  color: var(--cd-charcoal);
}

.page-case-detail h1,
.page-case-detail p {
  word-break: keep-all;
  overflow-wrap: break-word;
}

.page-case-detail .primary-menu__link.is-active {
  color: var(--cd-navy);
  font-weight: 600;
}

.page-case-detail .cd-wrap {
  max-width: var(--cd-max);
  width: 100%;
  margin: 0 auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

@media (max-width: 768px) {
  .page-case-detail .cd-wrap {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Sub-header ── */
.cd-hero {
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(2rem, 3.5vw, 3rem);
  text-align: left;
}

.cd-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem 0.5rem;
  margin: 0 0 1.25rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--cd-muted);
}

.cd-breadcrumb a {
  color: var(--cd-navy);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.cd-breadcrumb a:hover {
  opacity: 0.75;
}

.cd-breadcrumb__sep {
  color: #c4c9d1;
  user-select: none;
}

.cd-breadcrumb__current {
  color: var(--cd-muted);
}

.cd-hero__meta {
  margin: 0 0 0.875rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--cd-gold);
}

.cd-hero__title {
  margin: 0;
  font-size: clamp(1.625rem, 4.5vw, 2.25rem);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: -0.03em;
  color: var(--cd-charcoal);
}

.cd-hero__subtitle {
  margin: 0.625rem 0 0;
  max-width: var(--cd-prose);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--cd-muted);
}

.cd-hero__subtitle[hidden] {
  display: none;
}

.cd-section-title {
  margin: 0 0 clamp(1rem, 2vw, 1.25rem);
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--cd-navy);
}

/* ── Patient concern ── */
.cd-concern {
  margin-bottom: clamp(3.5rem, 5vw, 4.5rem);
  padding: 1.75rem 2rem;
  background: var(--cd-bg-soft);
  border-left: 3px solid var(--cd-gold);
  border-radius: 18px;
}

.cd-concern__heading {
  margin: 0 0 0.875rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cd-charcoal);
}

.cd-concern__text {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 400;
  line-height: 1.8;
  color: var(--cd-body);
  word-break: keep-all;
  overflow-wrap: break-word;
}

/* treatment-page.css `.page-wrap main p { max-width: 47.5rem }` 보다 우선 */
.page-case-detail .page-wrap main .cd-concern__text {
  max-width: none;
  width: 100%;
  margin-bottom: 0;
}

/* ── Before / Progress / After grid ── */
.cd-stages {
  margin-bottom: clamp(3rem, 5vw, 4rem);
}

.cd-stages [data-case-stages] {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  width: 100%;
  max-width: var(--cd-max);
}

@media (min-width: 900px) {
  .cd-stages [data-case-stages] {
    gap: 1.5rem;
  }

  .cd-stages [data-case-stages][data-stage-count='2'] {
    grid-template-columns: repeat(2, 1fr);
  }

  .cd-stages [data-case-stages][data-stage-count='3'] {
    grid-template-columns: repeat(3, 1fr);
  }

  .cd-stages [data-case-stages][data-stage-count='4'] {
    grid-template-columns: repeat(4, 1fr);
  }
}

.cd-stage {
  display: flex;
  flex-direction: column;
  margin: 0;
  height: 100%;
  padding: 1rem;
  background: var(--cd-white);
  border: 1px solid var(--cd-border);
  border-radius: 18px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.04);
}

.cd-stage__head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.cd-stage__num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.375rem;
  height: 1.375rem;
  padding: 0 0.2rem;
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cd-muted);
  background: #f0eeea;
  border-radius: 4px;
}

.cd-stage__title {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--cd-charcoal);
}

.cd-stage__note {
  margin: -0.25rem 0 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.45;
  color: var(--cd-muted);
}

.cd-stage__frame {
  position: relative;
  width: 100%;
  height: auto;
  flex-shrink: 0;
  display: block;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 12px;
  overflow: hidden;
}

.cd-stage__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center;
  border-radius: 12px;
}

.cd-stage__frame--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  padding: 0;
  background: var(--cd-border);
}

.cd-stage__media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 0;
  padding: 0;
  background: var(--cd-white);
}

.cd-stage__media-label {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 1;
  padding: 0.2rem 0.45rem;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cd-white);
  background: rgba(26, 43, 76, 0.88);
  border-radius: 4px;
}

.cd-stage__frame--slider {
  flex-direction: column;
  padding: 0;
}

.cd-stage__slider-track {
  position: relative;
  flex: 1;
  width: 100%;
  min-height: 0;
}

.cd-stage__slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease;
}

.cd-stage__slide.is-active {
  position: relative;
  opacity: 1;
  visibility: visible;
}

.cd-stage__slider-nav {
  display: flex;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem;
  background: var(--cd-white);
  border-top: 1px solid var(--cd-border);
}

.cd-stage__slider-dot {
  width: 0.5rem;
  height: 0.5rem;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: #d1d5db;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.cd-stage__slider-dot.is-active {
  background: var(--cd-navy);
  transform: scale(1.15);
}

.cd-stage__slider-dot:focus-visible {
  outline: 2px solid var(--cd-navy);
  outline-offset: 2px;
}

.cd-stage__placeholder {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--cd-muted);
}

.cd-stage__date {
  margin: 0.625rem 0 0;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--cd-muted);
}

.cd-stage__bullets {
  margin: 0.5rem 0 0;
  padding: 0;
  list-style: none;
  flex: 1;
}

.cd-stage__bullets li {
  position: relative;
  padding-left: 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--cd-body);
}

.cd-stage__bullets li + li {
  margin-top: 0.375rem;
}

.cd-stage__bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--cd-gold);
}

/* ── Aesthetic compare (2×2 before/after) ── */
.cd-stages--aesthetic [data-case-stages] {
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 900px) {
  .cd-stages--aesthetic [data-case-stages] {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

.cd-compare-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0.875rem;
  background: var(--cd-white);
  border: 1px solid var(--cd-border);
  border-radius: 12px;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.03);
}

.cd-compare-card__label {
  margin: 0 0 0.625rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--cd-navy);
}

.cd-compare-card__frame {
  position: relative;
  width: 100%;
  height: clamp(12rem, 28vw, 16rem);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cd-white);
  border: 1px solid var(--cd-border);
  border-radius: 12px;
  overflow: hidden;
}

.cd-compare-card__frame img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
}

.cd-compare-card__placeholder {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--cd-muted);
}

.cd-compare-card__caption {
  margin: 0.625rem 0 0;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--cd-body);
}

.cd-treatment-info__item dd.cd-treatment-info__dd--pre {
  white-space: pre-line;
}

/* ── Treatment info card ── */
.cd-treatment-info {
  margin-bottom: clamp(3rem, 5vw, 4rem);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--cd-white);
  border: 1px solid var(--cd-border);
  border-radius: 20px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.04);
}

.cd-treatment-info__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
}

@media (min-width: 640px) {
  .cd-treatment-info__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0 1.5rem;
  }
}

@media (min-width: 992px) {
  .cd-treatment-info__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .cd-treatment-info__item:nth-child(4),
  .cd-treatment-info__item:nth-child(5) {
    border-bottom: none;
  }
}

.cd-treatment-info__item {
  padding: 1rem 0;
  border-bottom: 1px solid var(--cd-border);
}

.cd-treatment-info__item:last-child {
  border-bottom: none;
}

@media (min-width: 640px) {
  .cd-treatment-info__item:nth-last-child(-n+2) {
    border-bottom: none;
  }
}

@media (min-width: 992px) {
  .cd-treatment-info__item {
    border-bottom: none;
    padding: 0.875rem 0;
  }
}

.cd-treatment-info__item dt {
  margin: 0 0 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--cd-muted);
}

.cd-treatment-info__item dd {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--cd-charcoal);
}

/* ── Director comment (premium) ── */
.cd-director {
  margin-bottom: clamp(4rem, 6vw, 5rem);
}

.cd-director__card {
  padding: 2.5rem 2.75rem;
  background: var(--cd-bg-warm);
  border: 1px solid var(--cd-border);
  border-radius: 22px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.04);
}

.cd-director__head {
  margin-bottom: 1rem;
  padding-bottom: 0;
  border-bottom: none;
}

.cd-director__eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cd-gold);
}

.cd-director__title {
  margin: 0;
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.03em;
  color: var(--cd-navy);
}

.cd-director__highlight {
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.0625rem);
  font-weight: 600;
  line-height: 1.85;
  letter-spacing: -0.02em;
  color: var(--cd-navy);
  word-break: keep-all;
  overflow-wrap: break-word;
}

.cd-director__divider {
  height: 1px;
  margin: 1.5rem 0;
  background: rgba(23, 43, 77, 0.1);
}

.cd-director__body p {
  margin: 0 0 0.875rem;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: -0.01em;
  color: var(--cd-body);
  word-break: keep-all;
  overflow-wrap: break-word;
}

.page-case-detail .page-wrap main .cd-director__highlight,
.page-case-detail .page-wrap main .cd-director__body p,
.page-case-detail .page-wrap main .cd-director__role {
  max-width: none;
  width: 100%;
  margin-bottom: 0;
}

.page-case-detail .page-wrap main .cd-director__body p {
  margin-bottom: 0.875rem;
}

.page-case-detail .page-wrap main .cd-director__body p:last-child {
  margin-bottom: 0;
}

.cd-director__body p:last-child {
  margin-bottom: 0;
}

.cd-director__sign {
  margin-top: 1.125rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(26, 43, 76, 0.08);
}

.cd-director__name {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--cd-charcoal);
}

.cd-director__role {
  margin: 0.375rem 0 0;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--cd-muted);
}

.cd-director__profile-link-wrap {
  margin: 1rem 0 0;
}

.cd-director__profile-link,
.cd-director__profile-link:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--cd-navy) !important;
  text-decoration: none;
  background: transparent;
  border: 1px solid rgba(23, 43, 77, 0.18);
  border-radius: 999px;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.cd-director__profile-link:hover,
.cd-director__profile-link:focus-visible {
  color: var(--cd-navy) !important;
  background: rgba(23, 43, 77, 0.04);
  border-color: rgba(23, 43, 77, 0.35);
}

/* ── Related cases ── */
.cd-related {
  margin-bottom: clamp(4rem, 6vw, 5rem);
  padding-top: clamp(1.25rem, 2.5vw, 1.75rem);
  border-top: 1px solid var(--cd-border);
}

.cd-related__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: var(--cd-max);
}

.cd-related__grid.is-single {
  display: flex;
  justify-content: center;
}

.cd-related__grid.is-double {
  display: grid;
  grid-template-columns: repeat(2, minmax(17.5rem, 22.5rem));
  justify-content: center;
  max-width: none;
  margin-left: auto;
  margin-right: auto;
}

.cd-related.is-hidden {
  display: none;
}

.page-case-detail .cd-related .cb-card {
  width: 100%;
  max-width: none;
}

.cd-related__grid.is-single .cb-card {
  max-width: 23.75rem;
}

@media (max-width: 900px) {
  .cd-related__grid:not(.is-single):not(.is-double) {
    grid-template-columns: repeat(2, 1fr);
  }

  .cd-related__grid.is-double {
    grid-template-columns: repeat(2, minmax(15rem, 20rem));
    justify-content: center;
  }

  .cd-related__grid.is-single {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .cd-related__grid,
  .cd-related__grid.is-double {
    grid-template-columns: 1fr;
    max-width: none;
  }

  .cd-related__grid.is-single .cb-card {
    max-width: none;
  }
}

.page-case-detail .cd-related .cb-card__title {
  font-size: 1rem;
}

.page-case-detail .cd-related .cb-card__desc {
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ── Diagnosis / treatment plan facts ── */
.cd-facts {
  margin-bottom: clamp(2.5rem, 4vw, 3.5rem);
  max-width: var(--cd-max);
}

.cd-facts__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.cd-facts__group {
  background: var(--cd-bg-soft, #f7f8fa);
  border: 1px solid var(--cd-border);
  border-radius: 0.75rem;
  padding: 1.25rem 1.35rem;
}

.cd-facts__subheading {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--cd-navy, #172b4d);
}

.cd-facts__list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--cd-text, #334155);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.cd-facts__list li + li {
  margin-top: 0.35rem;
}

@media (max-width: 900px) {
  .cd-facts__grid {
    grid-template-columns: 1fr;
  }
}

/* ── Related treatment links ── */
.cd-treatments {
  margin-bottom: clamp(2.5rem, 4vw, 3.5rem);
  max-width: var(--cd-max);
}

.cd-treatments__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.cd-treatments__link {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--cd-border);
  border-radius: 999px;
  text-decoration: none;
  color: var(--cd-navy, #172b4d);
  font-size: 0.9375rem;
  font-weight: 600;
  background: #fff;
}

.cd-treatments__link:hover,
.cd-treatments__link:focus-visible {
  border-color: rgba(23, 43, 77, 0.35);
  background: rgba(23, 43, 77, 0.04);
}

.cd-notice {
  margin-top: 1.25rem;
}

/* ── List CTA ── */
.cd-actions {
  padding-top: 4rem;
  padding-bottom: 5rem;
  background: var(--cd-bg-soft);
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding-left: calc(50vw - 50%);
  padding-right: calc(50vw - 50%);
}

.cd-actions__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 40rem;
  margin: 0 auto;
}

.cd-actions__lead {
  margin: 0;
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--cd-charcoal);
}

.cd-actions__text {
  margin: 0.625rem 0 0;
  max-width: 40rem;
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.75;
  color: var(--cd-muted);
}

.page-case-detail .page-wrap main .cd-actions a.cd-back,
.page-case-detail .page-wrap main .cd-actions a.cd-back:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-width: 13.75rem;
  height: 3.25rem;
  margin-top: 1.25rem;
  padding: 0 1.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #ffffff !important;
  text-decoration: none;
  background: #111111;
  border: 1px solid #111111;
  border-radius: 999px;
  box-shadow: none;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-case-detail .page-wrap main .cd-actions a.cd-back:hover,
.page-case-detail .page-wrap main .cd-actions a.cd-back:focus-visible {
  color: #ffffff !important;
  background: #000000;
  border-color: #000000;
  box-shadow: none;
}

.page-case-detail .page-wrap main .cd-actions a.cd-back span {
  color: #ffffff !important;
}

.page-case-detail .page-wrap main .cd-actions a.cd-back:focus-visible {
  outline: 2px solid #111111;
  outline-offset: 3px;
}

.cd-empty {
  padding: 2rem 0;
  text-align: center;
  color: var(--cd-muted);
}

@media (max-width: 768px) {
  .cd-director__card {
    padding: 2rem 1.5rem;
  }

  .cd-concern {
    padding: 1.5rem 1.375rem;
  }

  .page-case-detail .page-wrap main .cd-concern__text {
    max-width: 100%;
    font-size: 0.9375rem;
    line-height: 1.75;
  }
}