/* =========================================================
   about.css — 산뜻하지 흉부외과 섹션 공통 스타일
   ========================================================= */

/* ---------- 서브 탭 네비 ---------- */
.about-subnav {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: var(--header-height);
  z-index: 100;
}

.about-subnav__list {
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.about-subnav__list::-webkit-scrollbar { display: none; }

.about-subnav__link {
  display: block;
  padding: var(--space-4) var(--space-6);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--color-text-mute);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.about-subnav__link:hover { color: var(--color-primary-500); }

.about-subnav__link.active {
  color: var(--color-primary-500);
  border-bottom-color: var(--color-primary-500);
}

/* ---------- 인사말 ---------- */
.greeting-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .greeting-split { grid-template-columns: 380px 1fr; }
}

.greeting-split__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.greeting-split__img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.greeting-split__img-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-mute);
}

.greeting-split__text { }

.greeting-split__text .section-header__label {
  display: inline-block;
  margin-bottom: var(--space-3);
}

.greeting-split__name {
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-1);
}

.greeting-split__role {
  font-size: var(--fs-small);
  color: var(--color-text-sub);
  margin-bottom: var(--space-8);
}

.greeting-split__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  color: var(--color-text);
  line-height: 1.9;
}

.greeting-split__body p { font-size: var(--fs-body); }

.greeting-split__promise {
  margin-top: var(--space-6);
  padding: var(--space-6);
  background: var(--color-primary-50);
  border-left: 3px solid var(--color-primary-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.greeting-split__promise-title {
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  color: var(--color-primary-700);
  margin-bottom: var(--space-3);
}

.greeting-split__promise-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.greeting-split__promise-list li {
  font-size: var(--fs-small);
  color: var(--color-text);
  padding-left: var(--space-4);
  position: relative;
}

.greeting-split__promise-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary-500);
  font-weight: var(--fw-bold);
}

.greeting-split__sign {
  margin-top: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.greeting-split__sign-name {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
}

.greeting-split__sign-title {
  font-size: var(--fs-small);
  color: var(--color-text-sub);
}

/* ---------- 원장 소개 ---------- */
.doctor-profile {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: start;
}

@media (min-width: 1024px) {
  .doctor-profile { grid-template-columns: 320px 1fr; }
}

.doctor-profile__img-wrap {
  position: relative;
}

.doctor-profile__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 100/119;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.doctor-profile__img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.doctor-profile__img-placeholder {
  color: var(--color-text-mute);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.doctor-profile__badge-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.doctor-profile__info { }

.doctor-profile__title-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-8);
}

.doctor-profile__name {
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
}

.doctor-profile__role {
  font-size: var(--fs-body);
  color: var(--color-text-sub);
}

.doctor-profile__section-title {
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  color: var(--color-primary-500);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
  margin-top: var(--space-8);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.doctor-profile__section-title:first-child { margin-top: 0; }

/* 경력 철학 카드 */
.doctor-philosophy {
  margin-top: var(--space-12);
  background:
    linear-gradient(rgba(0,28,10,0.75), rgba(0,28,10,0.75)),
    url('../../img/promise-specialist.webp') center/cover no-repeat;
  background-color: var(--color-primary-700);
  border-radius: var(--radius-lg);
  padding: var(--space-12);
  color: #fff;
}

.doctor-philosophy__title {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-8);
  text-align: center;
}

.doctor-philosophy__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .doctor-philosophy__grid { grid-template-columns: repeat(3, 1fr); }
}

.doctor-philosophy__item {
  text-align: center;
  padding: var(--space-6);
  background: rgba(255,255,255,.06);
  border-radius: var(--radius-md);
}

.doctor-philosophy__num {
  font-size: 2rem;
  font-weight: var(--fw-bold);
  color: var(--color-primary-300);
  margin-bottom: var(--space-3);
}

.doctor-philosophy__item-title {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-2);
  color: #fff;
}

.doctor-philosophy__item-desc {
  font-size: var(--fs-small);
  color: rgba(255,255,255,.7);
  line-height: 1.7;
}

/* ---------- 둘러보기 ---------- */
.tour-notice {
  background: var(--color-primary-50);
  border: 1px solid var(--color-primary-100);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
  font-size: var(--fs-small);
  color: var(--color-text-sub);
  text-align: center;
  margin-bottom: var(--space-8);
}

/* ---------- 장비소개 ---------- */
.equipment-section-title {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-primary-500);
}

.equipment-section-title__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-500);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}

.equipment-section-title__icon svg { width: 20px; height: 20px; }

.equipment-section-title__text h2 {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
}

.equipment-section-title__text p {
  font-size: var(--fs-small);
  color: var(--color-text-sub);
}

.equipment-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-border);
}

.equipment-item:last-child { border-bottom: none; }

@media (min-width: 768px) {
  .equipment-item { grid-template-columns: 1fr 1fr; }
  .equipment-item--reverse .equipment-item__img { order: 2; }
  .equipment-item--reverse .equipment-item__text { order: 1; }
}

.equipment-item__img {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-alt);
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
}

.equipment-item__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-6);
}

.equipment-item__img-placeholder {
  color: var(--color-text-mute);
  font-size: var(--fs-small);
  text-align: center;
  padding: var(--space-6);
}

.equipment-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.equipment-item__tag {
  font-size: var(--fs-tiny);
  color: var(--color-primary-500);
  background: var(--color-primary-50);
  padding: 2px var(--space-3);
  border-radius: var(--radius-pill);
  font-weight: var(--fw-semibold);
}

.equipment-item__name {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-4);
}

.equipment-item__desc {
  font-size: var(--fs-body);
  color: var(--color-text-sub);
  line-height: 1.8;
}

/* ---------- 오시는 길 ---------- */
.location-map {
  width: 100%;
  height: 450px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  position: relative;
  margin-bottom: var(--space-8);
}

.location-map iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.location-map__placeholder {
  text-align: center;
  color: var(--color-text-mute);
}

.location-info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .location-info-grid { grid-template-columns: repeat(3, 1fr); }
}

.location-info-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.location-info-card__title {
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  color: var(--color-primary-500);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.location-info-card__title svg {
  width: 16px;
  height: 16px;
}

.location-info-card__content {
  font-size: var(--fs-small);
  color: var(--color-text);
  line-height: 1.9;
}

.location-info-card__content strong {
  color: var(--color-primary-700);
  display: block;
  margin-top: var(--space-3);
  margin-bottom: 2px;
  font-size: var(--fs-tiny);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.location-info-card__content strong:first-child { margin-top: 0; }

.location-transport {
  margin-top: var(--space-8);
}

.location-transport__title {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-6);
}

.location-transport__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .location-transport__grid { grid-template-columns: repeat(2, 1fr); }
}

.location-transport__item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
}

.location-transport__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-500);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
}

.location-transport__text strong {
  display: block;
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  margin-bottom: 4px;
}

.location-transport__text p {
  font-size: var(--fs-small);
  color: var(--color-text-sub);
  line-height: 1.7;
}

/* 슬로건 배경 (인사말 페이지 공유) */
.slogan-section {
  background-image:
    linear-gradient(rgba(8,24,12,0.58),rgba(8,24,12,0.58)),
    url('../../img/sandan-bg.jpg') !important;
  background-size: cover !important;
  background-position: center !important;
}
.slogan-section h2,
.slogan-section p,
.slogan-section ruby { color: rgba(255,255,255,0.92) !important; }
.slogan-section rt { color: rgba(255,255,255,0.6) !important; }

/* ---------- 브랜드 스토리 ---------- */
.brand-story__intro {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-12);
  font-size: var(--fs-body);
  color: var(--color-text-sub);
  line-height: 1.9;
}

.brand-story__items {
  display: flex;
  flex-direction: column;
}

.brand-story__item {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: var(--space-8);
  align-items: start;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.brand-story__item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.10);
}

.brand-story__item > * {
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .brand-story__item { grid-template-columns: 120px 1fr; }
}

.brand-story__char {
  font-size: 3.2rem;
  font-weight: var(--fw-bold);
  color: var(--color-primary-500);
  line-height: 1;
  text-align: center;
  padding-top: var(--space-2);
}

.brand-story__char ruby { display: block; }
.brand-story__char rt { font-size: 0.28em; color: var(--color-text-mute); font-weight: normal; }

.brand-story__label {
  font-size: var(--fs-tiny);
  color: var(--color-primary-500);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-2);
}

.brand-story__title {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.brand-story__desc {
  font-size: var(--fs-body);
  color: var(--color-text-sub);
  line-height: 1.85;
}

/* 강점/R&D 섹션 */
.brand-strength__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

@media (min-width: 768px) {
  .brand-strength__grid { grid-template-columns: 1fr 1fr; }
}

.brand-strength__block {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.brand-strength__tag {
  font-size: var(--fs-tiny);
  color: var(--color-primary-500);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
  display: block;
}

.brand-strength__title {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.4;
}

.brand-strength__desc {
  font-size: var(--fs-small);
  color: var(--color-text-sub);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}

.brand-strength__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.brand-strength__list-item {
  padding: var(--space-4);
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary-500);
}

.brand-strength__list-item-title {
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.brand-strength__list-item-desc {
  font-size: var(--fs-tiny);
  color: var(--color-text-sub);
  line-height: 1.7;
}

.brand-story__closing {
  text-align: center;
  padding: var(--space-10) var(--space-8);
  background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-500));
  border-radius: var(--radius-lg);
  color: #fff;
}

.brand-story__closing-quote {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-4);
  line-height: 1.4;
}

.brand-story__closing-desc {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.82);
  line-height: 1.8;
  max-width: 580px;
  margin: 0 auto;
}