/* 공감치과 핵심진료 — solutions hub tone (navy / ivory) */

:root {
  --ct-bg: #FFFFFF;
  --ct-bg-page: #FAFAF8;
  --ct-bg-alt: #F7F7F5;
  --ct-bg-warm: #F7F4EE;
  --ct-title: #111111;
  --ct-body: #444444;
  --ct-muted: #666666;
  --ct-accent: #172B4D;
  --ct-border: #E8E8E4;
  --ct-max: 70rem;
  --ct-gutter: clamp(1.25rem, 4vw, 1.5rem);
  --ct-shadow-soft: 0 8px 28px rgba(17, 17, 17, 0.04);
  --ct-shadow-card: 0 10px 32px rgba(23, 43, 77, 0.05);
  --ct-ease: 0.3s ease;
}

body.solutions-page.core-treatments-page {
  background: var(--sol-warm-white, #FAFAF8);
  color: var(--ct-body);
  font-family: 'Pretendard', 'Noto Sans KR', system-ui, sans-serif;
  font-weight: 500;
  line-height: 1.7;
}

body.core-treatments-page main h1,
body.core-treatments-page main h2,
body.core-treatments-page main h3 {
  color: var(--ct-title);
}

body.core-treatments-page main a:not(.ct-btn):not(.ct-cta__btn) {
  color: var(--ct-accent);
}

body.core-treatments-page main a:not(.ct-btn):not(.ct-cta__btn):hover {
  color: #0f1f38;
}

.ct-wrap {
  width: 100%;
  max-width: var(--ct-max);
  margin: 0 auto;
  padding-left: var(--ct-gutter);
  padding-right: var(--ct-gutter);
}

/* Breadcrumb — removed from page; keep rule unused */

/* Hero — uses solutions-page.css (.solutions-hero) */
.core-treatments-page .core-hero-description,
.core-treatments-page .core-hero-description p,
.core-treatments-page .core-section-description {
  max-width: 55rem;
  margin-left: auto;
  margin-right: auto;
  color: #555555;
  line-height: 1.85;
  word-break: keep-all;
  overflow-wrap: normal;
  white-space: normal;
}

.core-treatments-page .core-hero-description p {
  margin: 0;
}

.core-treatments-page .core-hero-description p + p {
  margin-top: 1.125rem;
}

.core-treatments-page .solutions-hero__title {
  max-width: 56.25rem;
  margin-left: auto;
  margin-right: auto;
}

.core-treatments-page .core-section-description {
  max-width: 55rem;
  line-height: 1.85;
  color: #555555;
}

@media (max-width: 768px) {
  .core-treatments-page .core-hero-description,
  .core-treatments-page .core-hero-description p,
  .core-treatments-page .core-section-description {
    max-width: 100%;
    font-size: 1rem;
    line-height: 1.75;
    white-space: normal;
    overflow-wrap: break-word;
  }

  .core-treatments-page .core-hero-description br,
  .core-treatments-page .core-section-description br {
    display: none;
  }
}

/* Section common */
.ct-section {
  padding: clamp(5.5rem, 8vw, 7.5rem) 0;
}

.ct-section--treatments {
  background: var(--sol-warm-white, var(--ct-bg-page));
  padding-top: clamp(4rem, 8vw, 6rem);
}

.ct-section--flow {
  background: var(--ct-bg-alt);
}

.ct-section--warm {
  background: var(--ct-bg-warm);
}

.ct-section__header {
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
  text-align: center;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

.ct-section__title {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 3.2vw, 1.875rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.35;
  word-break: keep-all;
}

.ct-section__desc {
  margin: 0;
  font-size: clamp(0.9375rem, 2vw, 1rem);
  line-height: 1.75;
  color: var(--ct-muted);
  word-break: keep-all;
}

/* Treatment cards — featured */
.ct-treatments__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

@media (min-width: 768px) {
  .ct-treatments__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

@media (min-width: 1024px) {
  .ct-treatments__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

.ct-treatment-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: clamp(2rem, 3.5vw, 2.5rem);
  background: var(--ct-bg);
  border: 1px solid var(--ct-border);
  border-radius: 20px;
  box-shadow: var(--ct-shadow-soft);
  transition: border-color var(--ct-ease), box-shadow var(--ct-ease), transform var(--ct-ease);
}

.ct-treatment-card:hover {
  border-color: rgba(23, 43, 77, 0.18);
  box-shadow: var(--ct-shadow-card);
  transform: translateY(-3px);
}

.ct-treatment-card__num {
  margin: 0 0 1.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ct-accent);
}

.ct-treatment-card__title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.ct-treatment-card__subtitle {
  margin: 0 0 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ct-accent);
}

.ct-treatment-card__text {
  margin: 0 0 2rem;
  flex: 1;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--ct-body);
}

.ct-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  margin-top: auto;
  padding: 0.8125rem 1.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  background: var(--ct-accent);
  border: 1px solid var(--ct-accent);
  border-radius: 10px;
  transition: background var(--ct-ease), border-color var(--ct-ease), color var(--ct-ease);
}

.ct-btn:hover {
  color: #fff;
  background: #0f1f38;
  border-color: #0f1f38;
}

/* Flow steps */
.ct-flow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: stretch;
}

@media (min-width: 900px) {
  .ct-flow__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

.ct-flow-step {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: clamp(1.75rem, 3vw, 2.25rem);
  background: var(--ct-bg);
  border: 1px solid var(--ct-border);
  border-radius: 18px;
  box-shadow: var(--ct-shadow-soft);
}

.ct-flow-step__num {
  margin: 0 0 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ct-accent);
}

.ct-flow-step__title {
  margin: 0 0 0.875rem;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.45;
  word-break: keep-all;
}

.ct-flow-step__text {
  margin: 0;
  flex: 1;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ct-body);
}

/* Principles */
.ct-principles__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: stretch;
}

@media (min-width: 640px) {
  .ct-principles__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.125rem;
  }
}

@media (min-width: 1024px) {
  .ct-principles__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
  }
}

.ct-principle-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: clamp(1.5rem, 2.5vw, 1.75rem);
  background: var(--ct-bg);
  border: 1px solid var(--ct-border);
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(17, 17, 17, 0.03);
}

.ct-principle-card__title {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ct-accent);
}

.ct-principle-card__text {
  margin: 0;
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--ct-body);
}

/* Casebook CTA */
.ct-section--casebook {
  padding-top: clamp(4rem, 6vw, 5.5rem);
  padding-bottom: clamp(4rem, 6vw, 5.5rem);
  background: var(--ct-bg-page);
}

.ct-casebook-cta {
  max-width: 60rem;
  margin: 0 auto;
  padding: clamp(2.25rem, 4vw, 3rem) clamp(1.75rem, 4vw, 2.5rem);
  text-align: center;
  background: var(--ct-bg);
  border: 1px solid var(--ct-border);
  border-radius: 22px;
  box-shadow: var(--ct-shadow-soft);
}

.ct-casebook-cta__title {
  margin: 0 0 0.875rem;
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.ct-casebook-cta__text {
  margin: 0 auto 1.75rem;
  max-width: 36rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ct-muted);
}

.ct-btn--dark {
  background: #111111;
  border-color: #111111;
}

.ct-btn--dark:hover {
  color: #fff;
  background: #000;
  border-color: #000;
}

/* Bottom CTA — light beige card */
.core-cta-section,
.ct-cta.core-cta-section {
  padding: clamp(5.5rem, 8vw, 6.5rem) var(--ct-gutter);
  background: var(--ct-bg-warm);
}

.core-cta-card {
  max-width: 56.25rem;
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 3.5rem) clamp(1.5rem, 4vw, 3rem);
  text-align: center;
  background: var(--ct-bg);
  border: 1px solid var(--ct-border);
  border-radius: 24px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.04);
}

body.core-treatments-page .core-cta-card h2,
body.core-treatments-page .core-cta-card .ct-cta__title {
  margin: 0 0 1rem;
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 800;
  color: var(--ct-title);
  letter-spacing: -0.02em;
  line-height: 1.35;
  word-break: keep-all;
}

body.core-treatments-page .core-cta-card p,
body.core-treatments-page .core-cta-card .ct-cta__text {
  margin: 0 auto 2rem;
  max-width: 36rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: #555555;
  word-break: keep-all;
}

.core-cta-actions,
.ct-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

body.core-treatments-page .core-cta-card .ct-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 10rem;
  padding: 0.875rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  transition: background var(--ct-ease), border-color var(--ct-ease), color var(--ct-ease);
}

body.core-treatments-page .core-cta-card .ct-cta__btn--primary {
  color: #ffffff;
  background: #111111;
  border: 1px solid #111111;
}

body.core-treatments-page .core-cta-card .ct-cta__btn--primary:hover {
  color: #ffffff;
  background: #000000;
  border-color: #000000;
}

body.core-treatments-page .core-cta-card .ct-cta__btn--secondary {
  color: var(--ct-accent);
  background: #ffffff;
  border: 1px solid #d8d8d2;
}

body.core-treatments-page .core-cta-card .ct-cta__btn--secondary:hover {
  color: var(--ct-accent);
  background: var(--ct-bg-alt);
  border-color: var(--ct-accent);
}

@media (max-width: 768px) {
  .core-cta-section,
  .ct-cta.core-cta-section {
    padding: 4.5rem var(--ct-gutter);
  }

  .core-cta-card {
    padding: 2.5rem 1.5rem;
    border-radius: 20px;
  }
}

@media (max-width: 479px) {
  .core-cta-actions,
  .ct-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .core-cta-card .ct-cta__btn {
    width: 100%;
  }
}