/* ═══════════════════════════════════════════════
   SUB PAGE COMMON STYLES
   히어로 배너, 서브 네비, 섹션 패턴
   ═══════════════════════════════════════════════ */

/* ─── Sub Hero Banner ─── */
.sub-hero {
  background: var(--navy);
  padding: 160px 48px 48px;
  text-align: center;
  position: relative;
  background-size: cover;
  background-position: center;
}

.sub-hero.has-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 40, 0.7);
  z-index: 0;
}

.sub-hero.has-bg > * {
  position: relative;
  z-index: 1;
}
.sub-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: rgba(255,255,255,.08);
}
.sub-hero-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 300;
  color: var(--white);
  letter-spacing: -.02em;
  margin-bottom: 32px;
}
.sub-hero-title strong { font-weight: 700; }

/* Sub Navigation */
.sub-nav {
  display: flex;
  justify-content: center;
  gap: 4px;
  flex-wrap: wrap;
}
.sub-nav a {
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 400;
  color: rgba(255,255,255,.45);
  border: 1px solid rgba(255,255,255,.1);
  transition: color .3s, border-color .3s, background .3s;
}
.sub-nav a:hover,
.sub-nav a.active {
  color: var(--white);
  border-color: var(--gold);
  background: rgba(184,149,106,.12);
}

/* ─── Sub Section ─── */
.sub-section {
  padding: 120px 48px;
}
.sub-section:nth-child(odd) { background: var(--white); }
.sub-section:nth-child(even) { background: var(--off-white); }

/* Dark variant for specific sections */
.sub-section.dark {
  background: var(--navy);
}
.sub-section.dark .section-title { color: var(--white); }
.sub-section.dark .section-desc { color: rgba(255,255,255,.6); }

.sub-section-inner {
  max-width: 900px;
  margin: 0 auto;
}

/* Wide variant */
.sub-section-inner.wide {
  max-width: var(--max-w);
}

/* ─── Two Column Layout ─── */
.sub-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

/* 비대칭 비율 — 이미지 쪽이 더 큼 */
.sub-two-col.img-large {
  grid-template-columns: 1fr 1.3fr;
}
.sub-two-col.img-large.reverse {
  grid-template-columns: 1.3fr 1fr;
}

/* Reverse column (image left, text right) */
.sub-two-col.reverse {
  direction: rtl;
}
.sub-two-col.reverse > * {
  direction: ltr;
}

/* ─── Full-width Image + Text Overlay Section ─── */
.sub-full-section {
  position: relative;
  min-height: 480px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  padding: 120px 48px;
}
.sub-full-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,22,40,.88) 0%, rgba(10,22,40,.5) 60%, rgba(10,22,40,.3) 100%);
}
.sub-full-section > .section-content {
  position: relative;
  z-index: 1;
  max-width: 520px;
}
.sub-full-section .section-eyebrow { color: var(--gold); }
.sub-full-section .section-title { color: var(--white); }
.sub-full-section .section-title strong { color: var(--white); }
.sub-full-section .section-desc { color: rgba(255,255,255,.7); max-width: 480px; }

/* ─── Dark CTA Section ─── */
.sub-cta-section {
  background: var(--navy);
  text-align: center;
  padding: 100px 48px;
}
.sub-cta-section .section-eyebrow { color: var(--gold); }
.sub-cta-section .section-title { color: var(--white); margin-bottom: 20px; }
.sub-cta-section .section-desc { color: rgba(255,255,255,.6); max-width: 560px; margin: 0 auto 36px; }
.sub-cta-section .btn-primary { margin: 0 8px; }

/* ─── Vertical Timeline ─── */
.timeline {
  position: relative;
  max-width: 700px;
  margin: 48px auto 0;
  padding-left: 72px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--gray-200);
}
.timeline-item {
  position: relative;
  padding: 28px 0 40px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-num {
  position: absolute;
  left: -72px;
  top: 28px;
  width: 48px;
  height: 48px;
  background: var(--navy);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 600;
  z-index: 1;
}
.timeline-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.timeline-desc {
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.8;
}

/* ─── Numbered List + Large Image ─── */
.numbered-list-section {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: start;
}
.numbered-list-image {
  aspect-ratio: 3/4;
  background: var(--gray-100);
  overflow: hidden;
  border-radius: 4px;
  position: sticky;
  top: 120px;
}
.numbered-list-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.numbered-list {
  padding-top: 12px;
}
.numbered-list-item {
  display: flex;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--gray-100);
  align-items: flex-start;
}
.numbered-list-item:last-child { border-bottom: none; }
.numbered-list-num {
  width: 40px;
  height: 40px;
  background: var(--navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  flex-shrink: 0;
}
.numbered-list-content { flex: 1; }
.numbered-list-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.numbered-list-desc {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ─── Point Blocks (3열) ─── */
.point-blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.point-block {
  padding: 44px 28px 36px;
  background: var(--off-white);
  text-align: center;
}
.point-block-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.point-block-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.5;
}
.point-block-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.point-block-desc {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ─── Image Placeholder ─── */
.sub-img-placeholder {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 50%, var(--gray-100) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gray-400);
  position: relative;
  overflow: hidden;
}
.sub-img-placeholder::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 40px; height: 40px;
  border: 1px solid var(--gray-200);
  border-radius: 50%;
}
/* Portrait variant — for full-body or vertical shots (e.g., doctor profile) */
.sub-img-placeholder.portrait {
  aspect-ratio: 3 / 4;
  background: var(--off-white);
  width: 100%;
  align-self: start;            /* required for position: sticky inside grid */
  position: sticky;
  top: 120px;                   /* fixed header height + breathing room */
}
.sub-img-placeholder.portrait::before { display: none; }
.sub-img-placeholder.portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
}
@media (max-width: 1024px) {
  .sub-img-placeholder.portrait {
    position: static;
    aspect-ratio: 2 / 3;
    max-width: 480px;
    margin: 0 auto;
  }
}

/* ─── Facility Gallery Grid ─── */
.facility-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 48px;
}
.facility-item {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--gray-100);
  overflow: hidden;
  cursor: pointer;
}
.facility-item-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gray-400);
  background: transparent;
  transition: background .3s, color .3s;
}
.facility-item:hover .facility-item-label {
  background: rgba(12,27,46,.6);
  color: var(--white);
}

/* ─── Doctor Profile (Sub page) ─── */
.doctor-profile {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: flex-start;
}
.doctor-profile-photo {
  aspect-ratio: 3/4;
  background: linear-gradient(180deg, var(--gray-100) 0%, var(--gray-200) 100%);
  position: relative;
}
.doctor-profile-cred {
  font-size: 14px;
  line-height: 2.2;
  color: var(--gray-600);
  margin-top: 28px;
}
.doctor-profile-cred .gold-dot {
  color: var(--gold);
}
.doctor-profile-note {
  margin-top: 16px;
  font-size: 12px;
  color: var(--gray-400);
}

/* ─── Equipment / Feature Card ─── */
.feature-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.feature-card {
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  transition: border-color .3s, box-shadow .3s;
}
.feature-card:hover {
  border-color: var(--gold);
  box-shadow: 0 4px 16px rgba(0,0,0,.04);
}
.feature-card-icon {
  width: 48px; height: 48px;
  margin-bottom: 16px;
  background: var(--off-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-card-icon svg {
  width: 22px; height: 22px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.5;
}
.feature-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.feature-card-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray-500);
}

/* ─── Process Steps ─── */
.process-steps {
  display: flex;
  gap: 0;
  margin-top: 48px;
  counter-reset: step;
}
.process-step {
  flex: 1;
  text-align: center;
  padding: 32px 16px;
  position: relative;
  counter-increment: step;
}
.process-step::before {
  content: '0' counter(step);
  display: block;
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 300;
  color: var(--gold);
  margin-bottom: 12px;
}
.process-step::after {
  content: '';
  position: absolute;
  top: 48px; right: 0;
  width: 1px; height: 40px;
  background: var(--gray-200);
}
.process-step:last-child::after { display: none; }
.process-step-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.process-step-desc {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ─── CTA Button in Sub Pages ─── */
.sub-cta {
  margin-top: 32px;
}
.sub-cta .btn-primary {
  display: inline-flex;
}

/* ─── Info Section in Sub Pages ─── */
.sub-info-section {
  background: var(--off-white);
  padding: 100px 48px;
}

/* Info Grid (서브페이지용 — 진료안내 + 오시는길 2단 배치) */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.info-phone {
  font-family: var(--font-en);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 300;
  color: var(--navy);
  letter-spacing: .05em;
  margin: 24px 0;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
}
.info-table td {
  padding: 14px 16px;
  font-size: 15px;
  text-align: left;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-500);
}
.info-table td:first-child {
  font-weight: 600;
  color: var(--dark);
  width: 100px;
}
.info-table tr:last-child td { border-bottom: none; }

.info-note {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.8;
  margin-top: 16px;
}

.info-address {
  margin-top: 16px;
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.7;
}

.info-map {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: 4px;
  overflow: hidden;
  background: var(--gray-100);
  margin-top: 20px;
}
.info-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.info-map-links {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}
.info-map-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: 1px solid var(--gray-200);
  font-size: 13px;
  color: var(--gray-500);
  border-radius: 4px;
  transition: border-color .3s, color .3s;
}
.info-map-link:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* Info Grid 모바일 대응 */
@media (max-width: 767px) {
  .info-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .info-phone { font-size: 28px; }
  .info-map-links { flex-wrap: wrap; }
}


/* ═══════════════════════════════════════════
   NEW COMPONENTS (v3)
   ═══════════════════════════════════════════ */

/* Equipment grid — 4-column cards for 장비 소개 (intro#page03) */
.equipment-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.equipment-card {
  background: var(--off-white);
  padding: 0 0 32px;
  border-radius: 4px;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
}
.equipment-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(12,27,46,.08);
}
.equipment-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--gray-100);
  margin-bottom: 24px;
}
.equipment-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.equipment-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  padding: 0 24px;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.equipment-card h3 span {
  display: block;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 400;
  color: var(--gold);
  font-style: italic;
  margin-top: 4px;
}
.equipment-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--gray-500);
  padding: 0 24px;
}

@media (max-width: 1024px) {
  .equipment-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .equipment-grid { grid-template-columns: 1fr; gap: 20px; }
}

/* Clinic gallery — 3x2 grid (intro#page05) */
.clinic-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.clinic-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--gray-100);
  border-radius: 4px;
}
.clinic-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.clinic-img:hover img { transform: scale(1.05); }

@media (max-width: 1024px) {
  .clinic-gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .clinic-gallery { grid-template-columns: 1fr; gap: 12px; }
}

/* Sub-bullets — checklist style for section-body */
.sub-bullets {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}
.sub-bullets li {
  position: relative;
  padding: 10px 0 10px 28px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-100);
}
.sub-bullets li:last-child { border-bottom: none; }
.sub-bullets li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 18px;
  width: 12px;
  height: 6px;
  border-left: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(-45deg);
}
.sub-bullets li strong {
  color: var(--navy);
  font-weight: 700;
}

/* Full-section (hero-style with background image, used for section body) */
.sub-full-section {
  position: relative;
  min-height: 480px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  padding: 120px 48px;
}
.sub-full-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(12,27,46,0.88) 0%, rgba(12,27,46,0.55) 60%, rgba(12,27,46,0.35) 100%);
}
.sub-full-section .section-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto 0 max(48px, calc((100% - var(--max-w)) / 2 + 48px));
}
.sub-full-section .section-eyebrow { color: var(--gold); }
.sub-full-section .section-title { color: #fff; }
.sub-full-section .section-desc { color: rgba(255,255,255,.85); }

@media (max-width: 767px) {
  .sub-full-section {
    min-height: 400px;
    padding: 80px 24px;
  }
  .sub-full-section .section-content {
    margin: 0;
    max-width: 100%;
  }
}


/* ═══════════════════════════════════════════
   v3 ADDITIONAL COMPONENTS (appended 2026-04-16)
   ═══════════════════════════════════════════ */

/* Media gallery — 4-column grid for 언론 출연 (intro#page04) */
.media-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.media-item {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--gray-100);
  border-radius: 4px;
  cursor: pointer;
}
.media-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease, filter .3s;
  filter: saturate(0.85);
}
.media-item:hover img {
  transform: scale(1.06);
  filter: saturate(1);
}
@media (max-width: 1024px) {
  .media-gallery { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .media-gallery { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}

/* Sinus comparison — 2-column cards (implant#page04) */
.sinus-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
}
.sinus-card {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: 4px;
  overflow: hidden;
  transition: box-shadow .3s;
}
.sinus-card:hover { box-shadow: 0 18px 40px rgba(12,27,46,.08); }
.sinus-card-hd {
  padding: 20px 24px;
  background: var(--navy);
  color: #fff;
  border-bottom: 3px solid var(--gold);
}
.sinus-card-hd .sinus-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--gold);
  margin-bottom: 4px;
}
.sinus-card-hd h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.sinus-card-imgs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--gray-100);
}
.sinus-card-imgs > div {
  aspect-ratio: 1/1;
  overflow: hidden;
  background: var(--gray-100);
}
.sinus-card-imgs img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sinus-card-body {
  padding: 24px;
}
.sinus-card-body dl {
  margin: 0;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 10px 16px;
  font-size: 14px;
}
.sinus-card-body dt {
  color: var(--gray-400);
  font-weight: 500;
}
.sinus-card-body dd {
  margin: 0;
  color: var(--gray-600);
  line-height: 1.55;
}
@media (max-width: 767px) {
  .sinus-compare { grid-template-columns: 1fr; gap: 24px; }
}


/* Career groups — 의료진 상세 약력 (intro#page02) */
.career-groups {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.career-group {
  padding: 20px 0 22px;
  border-top: 1px solid var(--gray-100);
}
.career-group:first-child { border-top: none; padding-top: 0; }
.career-label {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--gold);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 12px;
}
.career-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.career-group li {
  position: relative;
  padding-left: 14px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--gray-600);
  letter-spacing: -0.01em;
}
.career-group li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.5;
}
.career-group li strong {
  color: var(--navy);
  font-weight: 700;
}


/* Director quote — 원장 인사말 인용구 (intro#page02) */
.director-quote {
  position: relative;
  margin: 24px 0 0;
  padding: 28px 32px 24px 36px;
  background: #fff;
  border-left: 3px solid var(--gold);
  box-shadow: 0 4px 16px rgba(12,27,46,.04);
}
.director-quote::before {
  content: '"';
  position: absolute;
  top: -12px;
  left: 18px;
  font-family: var(--font-en);
  font-size: 56px;
  line-height: 1;
  color: var(--gold);
  font-style: italic;
  opacity: 0.6;
}
.director-quote p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray-600);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.director-quote p:last-of-type { margin-bottom: 16px; }
.director-quote p strong {
  color: var(--navy);
  font-weight: 700;
}
.director-quote cite {
  display: block;
  font-style: normal;
  font-size: 13px;
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-align: right;
}


/* Map link brand variants — 카카오 옐로우 / 네이버 그린 (intro#info) */
.info-map-link.map-link-kakao,
.info-map-link.map-link-naver {
  font-weight: 700;
  letter-spacing: -0.01em;
  border-width: 0;
  padding: 11px 22px;
  transition: filter .25s, transform .25s, box-shadow .25s;
}
.info-map-link.map-link-kakao {
  background: #FEE500;
  color: #191919;
}
.info-map-link.map-link-kakao:hover {
  filter: brightness(0.96);
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(254, 229, 0, 0.35);
  color: #191919;
  border-color: transparent;
}
.info-map-link.map-link-naver {
  background: #03C75A;
  color: #ffffff;
}
.info-map-link.map-link-naver:hover {
  filter: brightness(0.96);
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(3, 199, 90, 0.35);
  color: #ffffff;
  border-color: transparent;
}