/* =========================================================================
   Trinity — "소개(About) 영역" 전용 프리미엄 디자인 레이어
   Loaded AFTER trinity-sub.css on: /about, /doctors, /equipment, /location
   Goal: quiet-luxury 의료 브랜드 — 골드 헤어라인 + 세리프 디스플레이 +
         넉넉한 여백 + 에디토리얼 비대칭.  (trinity-sub.css 를 덮어씀)
   ========================================================================= */

:root {
  --gold: #c5a065;
  --gold-soft: #e4c99a;
  --ink: #1a1f16;
}

/* ---- 공통 타이포/헬퍼 ---------------------------------------------------- */
.intro-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  letter-spacing: 0.26em;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--gold);
}
.intro-eyebrow::before {
  content: "";
  width: 30px;
  height: 1.5px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.intro-eyebrow--center::after {
  content: "";
  width: 30px;
  height: 1.5px;
  background: linear-gradient(90deg, transparent, var(--gold));
}
.intro-title {
  font-family: "Noto Serif KR", serif;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.32;
  letter-spacing: -0.01em;
  word-break: keep-all;
  font-size: clamp(1.75rem, 3.6vw, 2.6rem);
}
.intro-lead {
  color: #5c5c5c;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.95;
  word-break: keep-all;
}
.intro-index {
  font-family: "Noto Serif KR", serif;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--gold);
  font-weight: 700;
}

/* ---- Hero 격상 --------------------------------------------------------- */
.intro-hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: flex-end;
  color: #fff;
  background-size: cover;
  background-position: center;
}
.intro-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(26, 31, 22, 0.35) 0%,
    rgba(26, 31, 22, 0.15) 40%,
    rgba(26, 31, 22, 0.82) 100%
  );
}
.intro-hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-bottom: clamp(56px, 8vw, 104px);
  padding-top: 120px;
}
.intro-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  letter-spacing: 0.3em;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--gold-soft);
}
.intro-hero__eyebrow::before {
  content: "";
  width: 34px;
  height: 1.5px;
  background: var(--gold-soft);
}
.intro-hero__title {
  font-family: "Noto Serif KR", serif;
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
  word-break: keep-all;
  font-size: clamp(2rem, 5.4vw, 3.6rem);
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.25);
}
.intro-hero__desc {
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.9;
  word-break: keep-all;
  font-size: clamp(15px, 1.6vw, 18px);
}

/* ---- Sticky 서브 탭 (소개 4페이지 상호 이동) --------------------------- */
.intro-tabs {
  position: sticky;
  top: 48px;
  z-index: 900;
  background: rgba(253, 252, 251, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
@media (min-width: 1024px) {
  .intro-tabs {
    top: 56px;
  }
}
.intro-tabs__inner {
  display: flex;
  gap: clamp(18px, 4vw, 44px);
  overflow-x: auto;
  scrollbar-width: none;
}
.intro-tabs__inner::-webkit-scrollbar {
  display: none;
}
.intro-tab {
  position: relative;
  flex: 0 0 auto;
  padding: 17px 2px;
  font-size: 14px;
  font-weight: 600;
  color: #7c8370;
  white-space: nowrap;
  transition: color 0.2s ease;
}
.intro-tab:hover {
  color: var(--kale-deep);
}
.intro-tab.is-active {
  color: var(--kale-deep);
  font-weight: 700;
}
.intro-tab.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--kale-deep);
}

/* ---- Section shell ----------------------------------------------------- */
.intro-sec {
  padding: clamp(64px, 9vw, 120px) 0;
}

/* ---- Stat 스트립 ------------------------------------------------------- */
.intro-stat__num {
  font-family: "Noto Serif KR", serif;
  font-weight: 700;
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  color: var(--kale-deep);
  line-height: 1;
}
.intro-stat__num sup {
  font-size: 0.45em;
  color: var(--gold);
  margin-left: 2px;
}
.intro-stat__label {
  margin-top: 12px;
  font-size: 13.5px;
  color: #6b6b6b;
  word-break: keep-all;
}

/* ---- 에디토리얼 피처 행 (about, doctors) ------------------------------ */
.feature-row {
  align-items: center;
}
.feature-media {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 26px 60px rgba(26, 31, 22, 0.14);
}
.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.feature-media__tag {
  position: absolute;
  left: 18px;
  bottom: 18px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(253, 252, 251, 0.92);
  backdrop-filter: blur(6px);
  color: var(--kale-deep);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* ---- Value 카드 (numbered) -------------------------------------------- */
.value-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px 28px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.value-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
  transition: width 0.4s ease;
}
.value-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 50px rgba(26, 31, 22, 0.1);
  border-color: #ddd6c9;
}
.value-card:hover::before {
  width: 100%;
}
.value-card__no {
  font-family: "Noto Serif KR", serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--gold);
}
.value-card__icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f1f4ed;
  color: var(--kale-deep);
}

/* ---- 대표 인용 배너 ---------------------------------------------------- */
.intro-quote {
  position: relative;
  background:
    radial-gradient(1000px 340px at 50% -30%, rgba(197, 160, 101, 0.14), transparent),
    var(--kale-dark);
  color: #fff;
}
.intro-quote__mark {
  font-family: "Noto Serif KR", serif;
  font-size: clamp(4rem, 10vw, 7rem);
  line-height: 0.6;
  color: var(--gold);
  opacity: 0.5;
}

/* ---- 갤러리 (about / doctors) ----------------------------------------- */
.intro-gallery {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
  scrollbar-width: none;
}
.intro-gallery::-webkit-scrollbar {
  display: none;
}
.intro-gallery > figure {
  flex: 0 0 min(80vw, 300px);
  scroll-snap-align: center;
  margin: 0;
}
.intro-gallery img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 16px 44px rgba(26, 31, 22, 0.14);
}
@media (min-width: 768px) {
  .intro-gallery > figure {
    flex-basis: 300px;
  }
}

/* ---- 의료진 프로필 ----------------------------------------------------- */
.doc-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  background: #fff;
}
.doc-card__photo {
  position: relative;
  background: linear-gradient(170deg, #eef0ea 0%, #e3e7dd 100%);
}
.doc-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}
.cred-block + .cred-block {
  margin-top: 22px;
}
.cred-block__head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--kale-deep);
  text-transform: uppercase;
}
.cred-block__head::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--gold);
}
.cred-list {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}
.cred-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: #4a4f43;
  word-break: keep-all;
}
.cred-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--gold);
}

/* 실적/논문 썸네일 그리드 */
.proof-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.proof-grid a:hover img {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(26, 31, 22, 0.14);
}

/* ---- 장비 소개 --------------------------------------------------------- */
.equip-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.equip-chip {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 13.5px;
  font-weight: 600;
  color: #6b7360;
  cursor: pointer;
  transition: all 0.2s ease;
}
.equip-chip:hover {
  border-color: var(--kale-deep);
  color: var(--kale-deep);
}
.equip-chip.is-active {
  background: var(--kale-deep);
  border-color: var(--kale-deep);
  color: #fff;
}
.equip-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.equip-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 22px 46px rgba(26, 31, 22, 0.12);
  border-color: #ddd6c9;
}
.equip-card__media {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: radial-gradient(120% 120% at 50% 20%, #ffffff 0%, #f2eee6 100%);
}
.equip-card__media img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  transition: transform 0.4s ease;
}
.equip-card:hover .equip-card__media img {
  transform: scale(1.05);
}
.equip-card__body {
  padding: 18px 20px 22px;
  border-top: 1px solid var(--line);
}
.equip-card__cat {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}
.equip-card__name {
  margin-top: 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  word-break: keep-all;
}
.equip-card__desc {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: #6b6b6b;
  word-break: keep-all;
}

/* ---- 오시는 길 --------------------------------------------------------- */
.loc-map {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 22px 50px rgba(26, 31, 22, 0.12);
}
.loc-map iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}
.loc-info {
  display: flex;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.loc-info:last-child {
  border-bottom: 0;
}
.loc-info__icon {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f1f4ed;
  color: var(--kale-deep);
}
.loc-info__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 800;
}
.loc-info__value {
  margin-top: 4px;
  font-size: 15.5px;
  line-height: 1.65;
  color: #33382d;
  font-weight: 600;
  word-break: keep-all;
}
.hours-row {
  display: flex;
  justify-content: space-between;
  padding: 15px 0;
  border-bottom: 1px solid rgba(233, 228, 219, 0.7);
  font-size: 15px;
}
.hours-row:last-child {
  border-bottom: 0;
}
.hours-row--accent {
  color: var(--kale-deep);
  font-weight: 700;
}