/* style.css — 전체 레이아웃 및 섹션 스타일 */

/* ── 리셋 & 기본 ────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -ms-overflow-style: none;
  /* IE, Edge 스크롤바 숨기기 (shift 방지) */
  scrollbar-width: none;
  /* Firefox 스크롤바 숨기기 */
  overflow-x: hidden;
}

html::-webkit-scrollbar {
  display: none;
  /* Chrome, Safari, Opera 스크롤바 숨기기 */
}

body {
  font-family: var(--font-serif);
  font-size: var(--fs-base);
  color: var(--color-text);
  background: #e8e0d8;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ── 로딩 오버레이 ──────────────────────────────────────── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: #e8e0d8;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: opacity 0.9s ease;
  pointer-events: all;
}

.loading-overlay.fade-out {
  opacity: 0;
  pointer-events: none;
}

.loading-ring {
  width: 32px;
  height: 32px;
  border: 2px solid rgba(184, 149, 106, 0.25);
  border-top-color: #b8956a;
  border-radius: 50%;
  animation: loading-spin 1s linear infinite;
}

@keyframes loading-spin {
  to { transform: rotate(360deg); }
}

/* ── 핸드폰 프레임 ───────────────────────────────────────── */
.phone-frame {
  width: 100%;
  max-width: 480px;
  background: var(--color-bg);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  opacity: 0;
  transition: opacity 0.8s ease;
}

body.loaded .phone-frame {
  opacity: 1;
}

/* ── 공통 섹션 ──────────────────────────────────────────── */
.section {
  width: 100%;
}

.section-inner {
  padding: var(--space-xl) var(--space-md);
  text-align: center;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--color-primary-light);
  margin: var(--space-xs) auto 0;
}

/* ── ① 커버 (Sleeve 봉투 애니메이션) ────────────────────────────────────────── */
.section-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  background: #fdfdfd;
  padding-top: 0;
  /* 상단 여백 완전 제거 (화면 꽉 차게) */
  margin: 0;
}

/* ── Envelope Scene ── */
.envelope-scene {
  position: relative;
  width: 100%;
  /* 좌우 여백 완전 제거 */
  max-width: 100%;
  aspect-ratio: 3.4 / 5.2;
  z-index: 20;
}

/* Envelope Back */
.envelope-back {
  position: absolute;
  top: 0;
  margin-top: 32%;
  will-change: transform, opacity;
  /* 상단 달력을 덮지 않도록 전체 봉투 시작점 하향 */
  left: 0;
  width: 100%;
  height: auto;
  aspect-ratio: 3.4 / 4.2;
  background: #f7f7f7;
  /* 아주 밝은 이너 페이퍼 질감 */
  border-radius: 4px;
  z-index: 1;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.06);
  transition: transform 2.2s cubic-bezier(0.25, 1, 0.5, 1), opacity 0s;
  /* 다시 올라올 때는 딜레이/트랜지션 없이 투명도 0(완전 불투명) 적용 */
}

/* 튀어나온 편지지 & 래퍼 */
.letter-scroll-wrapper {
  position: relative;
  width: 100%;
  margin: 0 auto;
  top: 0;
  height: 100%;
  overflow: hidden;
  z-index: 2;
  border-radius: 4px;
}

.main-letter {
  background: #ffffff;
  width: 100%;
  min-height: 1000px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: transform 2.2s cubic-bezier(0.25, 1, 0.5, 1);
  padding-bottom: 60px;
  will-change: transform;
}

/* Envelope Front */
.envelope-front {
  position: absolute;
  top: 0;
  margin-top: 32%;
  left: 0;
  will-change: transform, opacity;
  width: 100%;
  height: auto;
  aspect-ratio: 3.4 / 4.2;
  z-index: 3;
  pointer-events: none;
  /* 봉투 상단 경계선을 살리기 위한 상향 음영(-3px)과 전체적인 큰 볼륨감(16px)을 다중으로 적용 */
  filter: drop-shadow(0 -3px 12px rgba(0, 0, 0, 0.08)) drop-shadow(0 8px 16px rgba(0, 0, 0, 0.06));
  transition: transform 2.2s cubic-bezier(0.25, 1, 0.5, 1), opacity 0s;
}

.env-mask-svg {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 4px;
}

/* 화면 길이에 구애받지 않고 봉투로 풀스크린을 채우도록 연장해주는 빈 가상 요소 */
.envelope-bottom-extension {
  position: absolute;
  top: 99%;
  left: 0;
  width: 100%;
  height: 60vh;
  background: #ffffff;
  pointer-events: none;
}

/* Ribbon */
.ribbon-container {
  position: absolute;
  top: 0;
  margin-top: 0;
  /* 사진/홀을 가리지 않도록 썸노치 부근으로 바짝 끌어올림 */
  left: -15%;
  /* PNG 여백을 찢고 모서리 끝까지 확장 */
  width: 130%;
  /* 비율을 대폭 늘려서 끝이 딱 맞물리도록 스케일업 */
  z-index: 4;
  pointer-events: none;
}

.ribbon-img {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.35));
  /* 훨씬 더 리얼한 그림자감 추가 */
}

/* ── Animation State (.is-open) ── */
.envelope-scene.is-open {
  aspect-ratio: auto;
}

.envelope-scene.is-open .envelope-back {
  transform: translateY(110vh);
  /* 깊게 떨어짐 */
  opacity: 0;
  box-shadow: none;
  /* Safari GPU 잔상(베이지색 그림자) 방지를 위해 열릴 때 강제로 그림자 제거 */
  transition: transform 2.2s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.6s ease-in 0.1s;
}

.envelope-scene.is-open .envelope-front {
  transform: translateY(110vh);
  /* 깊게 떨어짐 */
  opacity: 0;
  filter: none;
  /* Safari 혼합 모드 + 드롭섀도우 조합이 렌더링 찌꺼기를 남기지 않도록 강제 제거 */
  transition: transform 2.2s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.6s ease-in 0.1s, filter 0.1s;
}

/* 리본 역시 봉투가 열릴 때 그림자를 즉시 제거해 잔상 방지 */
.envelope-scene.is-open .ribbon-img {
  filter: none;
  transition: filter 0.1s;
}

/* SVG 내부의 노이즈 필터, 멀티플라이 속성도 함께 제거해 베이지색 GPU 찌꺼기 완벽 차단 */
.envelope-scene.is-open .env-mask-svg rect[style*="mix-blend-mode"] {
  opacity: 0;
  transition: opacity 0.1s;
}

.envelope-scene.is-open .main-letter {
  transform: translateY(0);
  /* 기존 -30px 이 상단 이름을 화면 밖으로 잘라버리는 문제 원인이었으므로 0으로 픽스 */
}

.envelope-scene.is-open .letter-scroll-wrapper {
  overflow: visible;
  height: auto;
}

/* 스크롤 가이드 화살표 */
.hero-bottom-text {
  position: absolute;
  bottom: 8%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 10;
  transition: opacity 0.4s ease;
}

.hero-bottom-text.fade-out {
  opacity: 0;
  pointer-events: none;
}

.view-details-txt {
  font-family: var(--font-display);
  font-size: 13px;
  color: #333;
  letter-spacing: 0.1em;
}

.view-details-arrow {
  font-size: 14px;
  color: #111;
  animation: bounceUp 1.5s infinite;
}

@keyframes bounceUp {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

/* ── Letter Top (Sticking out portion) ── */
.letter-top {
  position: relative;
  text-align: center;
  background: #ffffff;
  border-radius: 4px 4px 0 0;
  overflow: hidden;
}

.letter-header-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding-top: 24px;
  z-index: 5;
  /* 봉투 열림 시 부드럽게 아래로 내려가기 위한 모션 (사진과 여백 좁히기) */
  transition: transform 2.2s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

/* 봉투가 열리면 헤더(이름+달력)가 사진(아래) 쪽으로 부드럽게 30px 내려오며 중앙으로 집중됨 */
.envelope-scene.is-open .letter-header-content {
  transform: translateY(30px);
}

.letter-names {
  font-family: 'Cormorant Garamond', var(--font-display), serif;
  font-size: 19px;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: #222;
  margin-bottom: 24px;
  /* 달력만 추가로 아래로 밀어줌 */
}

.letter-names .amp {
  font-size: 14px;
  font-weight: 300;
  margin: 0 8px;
  color: #666;
}

/* 1-Week Calendar */
.letter-calendar {
  margin: 0;
}

.calendar-row {
  display: flex;
  justify-content: center;
  gap: 20px;
  /* 기존 12px에서 늘려서 더 넓게 퍼진 느낌 적용 */
}

.cal-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.cal-day-label {
  font-family: var(--font-serif);
  font-size: 11px;
  color: #777;
  text-transform: capitalize;
}

.cal-date-num {
  font-family: var(--font-serif);
  font-size: 13px;
  color: #222;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.cal-date-num.is-wedding {
  border: 1px solid #333;
}

.letter-photo-spacer {
  /* 봉투가 아래로 약 2.59% 이동했으므로 사진 간격도 동일하게 밀어 포토 홀(Hole) 위치에 수치 맞춤 (기존 73.53% -> 76.11%) */
  padding-top: 76.11%;
}

.letter-window-img {
  width: 58.82%;
  aspect-ratio: 1 / 1;
  margin: 0 auto 30px;
  background: #f0f0f0;
  border-radius: 2px;
  overflow: hidden;
  /* 봉투가 내려갈 때 사진이 부드럽게 위로 끌어올려지는 에어메이션 */
  transition: transform 2.2s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

/* 열렸을 때 사진을 위로 당겨 달력과의 공백을 좁힘 */
.envelope-scene.is-open .letter-window-img {
  transform: translateY(-65px);
}

.letter-window-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.letter-date {
  font-family: var(--font-serif);
  font-size: 14px;
  color: #222;
  letter-spacing: 0.05em;
  margin-bottom: 40px;
}

/* ── ② 초대의 글 ────────────────────────────────────────── */
.section-invitation {
  background: var(--color-bg);
}

.section-invitation .section-inner {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.invitation-parents {
  font-size: var(--fs-sm);
  color: var(--color-text-soft);
  line-height: 2;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.divider-floral {
  color: var(--color-primary-light);
  font-size: var(--fs-lg);
  margin: var(--space-sm) 0;
  letter-spacing: 0.5em;
}

.invitation-message {
  font-size: var(--fs-base);
  line-height: 2;
  color: var(--color-text-soft);
  letter-spacing: 0.04em;
}

/* ── ③ 예식 안내 ────────────────────────────────────────── */
.section-info {
  background: var(--color-surface);
}

.info-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  text-align: left;
}

.info-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: 12px 0;
}

.info-row+.info-row {
  border-top: 1px solid var(--color-divider);
}

.info-icon {
  font-size: var(--fs-md);
  flex-shrink: 0;
}

.info-main {
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.info-sub {
  font-size: var(--fs-sm);
  color: var(--color-text-soft);
  line-height: 1.6;
}

.info-address {
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
  margin-top: 2px;
}

.countdown-wrap {
  text-align: center;
}

.countdown-label {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.countdown-number {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  color: var(--color-primary);
  letter-spacing: 0.05em;
}

.countdown-today {
  font-size: var(--fs-xl);
  color: var(--color-primary);
}

.countdown-past {
  font-size: var(--fs-2xl);
  color: var(--color-text-muted);
}

/* ── ⑤ 오시는 길 - 지도 버튼 ──────────────────────────── */
.map-buttons {
  display: flex;
  gap: 10px;
  margin-bottom: var(--space-md);
}

.map-btn {
  flex: 1;
  padding: 13px;
  border-radius: 50px;
  font-family: var(--font-serif);
  font-size: var(--fs-sm);
  text-align: center;
  letter-spacing: 0.05em;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.map-btn-naver {
  border: 1.5px solid var(--color-divider);
  color: var(--color-text);
  background: var(--color-surface);
}

.map-btn-naver:hover,
.map-btn-naver:active {
  background: #03c75a;
  border-color: #03c75a;
  color: #fff;
}

.map-btn-kakao {
  border: 1.5px solid var(--color-divider);
  color: var(--color-text);
  background: var(--color-surface);
}

.map-btn-kakao:hover,
.map-btn-kakao:active {
  background: #f9d800;
  border-color: #f9d800;
  color: #3a1d1d;
}

/* ── RSVP 버튼 (연락처 섹션 하단) ──────────────────────── */
.rsvp-open-btn {
  display: block;
  width: 100%;
  margin-top: var(--space-md);
  padding: 16px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50px;
  font-family: var(--font-serif);
  font-size: var(--fs-sm);
  letter-spacing: 0.1em;
  transition: background var(--transition);
}

.rsvp-open-btn:hover {
  background: #9e7a50;
}

/* ── 모달 공통 ──────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: rgba(0, 0, 0, 0.5);
  align-items: flex-end;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal-sheet {
  width: 100%;
  max-width: 480px;
  background: var(--color-surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  max-height: 90vh;
  overflow-y: auto;
  padding-bottom: 40px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-md) var(--space-sm);
  border-bottom: 1px solid var(--color-divider);
  position: sticky;
  top: 0;
  background: var(--color-surface);
  z-index: 1;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--color-text);
}

.modal-close {
  font-size: var(--fs-base);
  color: var(--color-text-muted);
  padding: 4px 8px;
  transition: color var(--transition);
}

.modal-close:hover {
  color: var(--color-text);
}

.modal-body {
  padding: var(--space-sm) var(--space-md);
}

/* ── RSVP 폼 필드 ────────────────────────────────────────── */
.rsvp-field {
  margin-bottom: var(--space-sm);
}

.rsvp-label {
  display: block;
  font-size: var(--fs-sm);
  color: var(--color-text);
  margin-bottom: 8px;
  font-weight: 600;
}

.required {
  color: var(--color-primary);
}

.rsvp-input {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--color-divider);
  border-radius: 50px;
  font-family: var(--font-serif);
  font-size: var(--fs-sm);
  color: var(--color-text);
  background: var(--color-bg);
  outline: none;
  transition: border-color var(--transition);
}

.rsvp-input:focus {
  border-color: var(--color-primary);
}

.toggle-group {
  display: flex;
  gap: 8px;
}

.toggle-btn {
  flex: 1;
  padding: 12px;
  border: 1.5px solid var(--color-divider);
  border-radius: 50px;
  font-family: var(--font-serif);
  font-size: var(--fs-sm);
  color: var(--color-text-soft);
  background: var(--color-bg);
  transition: all var(--transition);
}

.toggle-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.rsvp-status {
  font-size: var(--fs-xs);
  text-align: center;
  min-height: 18px;
  margin-bottom: var(--space-xs);
}

.rsvp-status.error {
  color: #c0392b;
}

.rsvp-status.info {
  color: var(--color-text-soft);
}

.rsvp-status.success {
  color: #27ae60;
}

.rsvp-submit-btn {
  display: block;
  width: 100%;
  padding: 16px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50px;
  font-family: var(--font-serif);
  font-size: var(--fs-sm);
  letter-spacing: 0.1em;
  margin-top: var(--space-sm);
  transition: background var(--transition);
}

.rsvp-submit-btn:hover {
  background: #9e7a50;
}

.rsvp-submit-btn:disabled {
  background: var(--color-text-muted);
  cursor: not-allowed;
}

/* ── ④ 갤러리 (폴라로이드 그리드) ──────────────────────── */
.section-gallery {
  background: var(--color-bg);
}

#gallery-grid {
  margin-top: var(--space-sm);
}

.polaroid-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 8px 4px;
}

.polaroid-card {
  background: #fff;
  padding: 6px 6px 18px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.13);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  will-change: transform;
}

.polaroid-card:hover {
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
  transform: scale(1.05);
}

.polaroid-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center center;
  display: block;
  -webkit-user-drag: none;
  user-select: none;
}

.gallery-empty {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  padding: var(--space-md) 0;
}

/* 하객 사진 그리드 */
.gallery-grid.guest-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
}

.gallery-item {
  aspect-ratio: 1;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

/* ── ⑤ 오시는 길 ────────────────────────────────────────── */
.section-map {
  background: var(--color-surface);
}

.map-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-sm);
  box-shadow: var(--shadow-sm);
}

.map-iframe {
  width: 100%;
  height: 260px;
  border: none;
  display: block;
}

.map-address {
  font-size: var(--fs-sm);
  color: var(--color-text-soft);
  margin-bottom: var(--space-md);
}

.transport-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: left;
}

.transport-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: var(--fs-sm);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

.transport-icon {
  font-size: var(--fs-md);
  flex-shrink: 0;
}

.transport-label {
  font-weight: 600;
  color: var(--color-text);
  min-width: 40px;
  flex-shrink: 0;
}

.transport-detail {
  color: var(--color-text-soft);
  line-height: 1.5;
}

/* ── ⑥ 포토 공유 ────────────────────────────────────────── */
.section-guest-photos {
  background: var(--color-bg);
}

.guest-photo-message {
  font-size: var(--fs-sm);
  color: var(--color-text-soft);
  line-height: 2;
  margin-bottom: var(--space-md);
}

.upload-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  max-width: 320px;
  margin-left: auto;
  margin-right: auto;
}

.upload-input {
  padding: 12px 16px;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-sm);
  font-family: var(--font-serif);
  font-size: var(--fs-sm);
  color: var(--color-text);
  background: var(--color-surface);
  outline: none;
  transition: border-color var(--transition);
}

.upload-input:focus {
  border-color: var(--color-primary);
}

.upload-file-label {
  padding: 12px 16px;
  border: 1px dashed var(--color-primary-light);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  color: var(--color-primary);
  text-align: center;
  cursor: pointer;
  transition: background var(--transition);
  background: transparent;
}

.upload-file-label:hover {
  background: rgba(184, 149, 106, 0.06);
}

.upload-btn {
  padding: 13px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-family: var(--font-serif);
  font-size: var(--fs-sm);
  letter-spacing: 0.1em;
  transition: background var(--transition);
}

.upload-btn:hover {
  background: #9e7a50;
}

.upload-btn:disabled {
  background: var(--color-text-muted);
  cursor: not-allowed;
}

.upload-status {
  font-size: var(--fs-xs);
  line-height: 1.5;
  min-height: 18px;
  text-align: center;
}

.upload-status.error {
  color: #c0392b;
}

.upload-status.info {
  color: var(--color-text-soft);
}

.upload-status.success {
  color: #27ae60;
}

.guest-gallery-grid {
  margin-top: var(--space-sm);
}

.guest-item {
  position: relative;
}

.guest-item-name {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  font-size: 10px;
  padding: 3px 6px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── ⑦ 마음 전하기 ──────────────────────────────────────── */
.section-accounts {
  background: var(--color-surface);
}

.accounts-title {
  font-family: var(--font-display);
  font-style: italic;
  letter-spacing: 0.08em;
}

/* 탭 바 */
.account-tab-bar {
  display: flex;
  border-bottom: 1px solid var(--color-divider);
  margin-bottom: var(--space-md);
}

.account-tab {
  flex: 1;
  padding: 12px 0;
  font-family: var(--font-serif);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  letter-spacing: 0.05em;
  transition: color var(--transition), border-color var(--transition);
}

.account-tab.active {
  color: var(--color-text);
  border-bottom-color: var(--color-text);
  font-weight: 600;
}

/* 계좌 행 */
.account-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-divider);
}

.account-row:last-child {
  border-bottom: none;
}

.account-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 90px;
}

.account-role {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.account-holder-name {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text);
}

.account-right {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 2px;
}

.account-bank {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.account-number {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.03em;
}

.copy-btn {
  padding: 7px 12px;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  color: var(--color-text-soft);
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}

.copy-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.copy-btn.copied {
  background: #27ae60;
  border-color: #27ae60;
  color: #fff;
}

/* ── ⑧ 연락처 ───────────────────────────────────────────── */
.section-contact {
  background: var(--color-bg);
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.contact-label {
  font-size: var(--fs-sm);
  color: var(--color-text-soft);
}

.contact-call-btn {
  padding: 8px 16px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  letter-spacing: 0.05em;
  transition: background var(--transition);
}

.contact-call-btn:hover {
  background: #9e7a50;
}

/* ── 푸터 ───────────────────────────────────────────────── */
.footer {
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  border-top: 1px solid var(--color-divider);
}

/* ── 라이트박스 ─────────────────────────────────────────── */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.88);
  justify-content: center;
  align-items: center;
  padding: var(--space-md);
}

.lightbox.active {
  display: flex;
  flex-direction: column;
}

/* 폴라로이드 프레임 */
.lightbox-img {
  max-width: min(85vw, 400px);
  max-height: 70vh;
  object-fit: contain;
  display: block;
  background: #fff;
  padding: 10px 10px 36px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  -webkit-user-drag: none;
  user-select: none;
  touch-action: none;
}

.lightbox-caption {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--fs-sm);
  margin-top: var(--space-md);
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-lg);
  padding: 8px 12px;
  line-height: 1;
  z-index: 1;
  transition: color var(--transition);
}

.lightbox-close:hover {
  color: #fff;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  font-size: 28px;
  color: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox-prev {
  left: 16px;
}

.lightbox-next {
  right: 16px;
}

/* ── 데스크탑에서 핸드폰 형태 유지 ─────────────────────── */
@media (min-width: 520px) {
  body {
    padding: 40px 0;
    align-items: flex-start;
  }

  .phone-frame {
    border-radius: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    min-height: auto;
  }
}