/* ============================================================
   백송체형관리 - main.css
   ============================================================ */

*,*::before,*::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }

:root {
  --cream:   #F4EEE5;
  --warm:    #FAF7F2;
  --gold:    #BFA26A;
  --gold-lt: #D9CCAA;
  --sage:    #8FA888;
  --deep:    #2A2118;
  --mid:     #6B5F4E;
  --light:   #EDE7DC;
  --br:      rgba(191,162,106,.18);
}

body {
  font-family:'Noto Sans KR',sans-serif;
  background:var(--warm);
  color:var(--deep);
  overflow-x:hidden;
}
a { text-decoration:none; color:inherit; }
img { display:block; max-width:100%; }

/* ══════════════════════════════════════
   NAV
══════════════════════════════════════ */
.site-header {
  position:fixed; top:0; left:0; right:0; z-index:200;
  display:flex; align-items:center; justify-content:space-between;
  padding:0 48px; height:78px;
  background:rgba(250,247,242,.96);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--br);
}

/* 로고 */
.site-branding { display:flex; align-items:center; }
.site-branding .custom-logo { height:62px; width:auto; display:block; filter:drop-shadow(0 1px 2px rgba(0,0,0,.08)); }
.site-branding .site-title  { font-family:'Noto Serif KR',serif; font-size:26px; letter-spacing:6px; color:var(--deep); font-weight:400; }
.site-branding .site-title a { color:inherit; }

/* 메인 메뉴 */
.main-navigation { display:flex; align-items:center; }
.main-navigation ul { display:flex; align-items:center; gap:40px; list-style:none; }
.main-navigation a {
  font-family:'Noto Serif KR',serif;
  font-size:17px; font-weight:400;
  color:var(--mid); letter-spacing:2px;
  transition:color .2s; position:relative;
}
.main-navigation a::after {
  content:''; position:absolute; bottom:-3px; left:0; right:0;
  height:1px; background:var(--gold);
  transform:scaleX(0); transition:transform .3s;
}
.main-navigation a:hover { color:var(--deep); }
.main-navigation a:hover::after { transform:scaleX(1); }
.main-navigation a.active { color:var(--deep); }
.main-navigation a.active::after { transform:scaleX(1); }

/* 전화번호 */
.nav-tel {
  display:flex; flex-direction:column; align-items:flex-end; gap:2px;
  padding-left:32px; border-left:1px solid var(--br);
}
.nav-tel-label { font-size:11px; letter-spacing:2px; color:var(--mid); text-transform:uppercase; }
.nav-tel-num   { font-size:22px; font-weight:700; color:var(--deep); letter-spacing:1px; }
.nav-tel-num a { color:var(--deep); transition:color .2s; }
.nav-tel-num a:hover { color:var(--gold); }

/* ══════════════════════════════════════
   SLIDER
══════════════════════════════════════ */
.bs-slider {
  position:relative;
  width:100%; height:100vh; min-height:580px;
  overflow:hidden;
}
.bs-slide {
  position:absolute; inset:0;
  display:flex; align-items:flex-end;
  padding-bottom:80px; padding-left:64px;
  opacity:0; transition:opacity 1.2s ease;
  pointer-events:none;
}
.bs-slide.active { opacity:1; pointer-events:auto; }

.bs-slide-bg {
  position:absolute; inset:0;
  background-size:cover; background-position:center;
  transition:transform 8s ease;
  transform:scale(1.05);
}
.bs-slide.active .bs-slide-bg { transform:scale(1); }

/* 기본 그라디언트 배경 (이미지 없을 때) */
.bs-slide:nth-child(1) .bs-slide-bg { background-image:linear-gradient(145deg,#C8BAA4 0%,#A0907A 30%,#806050 60%,#604030 100%); }
.bs-slide:nth-child(2) .bs-slide-bg { background-image:linear-gradient(145deg,#A8B8A0 0%,#788A6A 30%,#587050 60%,#385030 100%); }

.bs-slide-overlay {
  position:absolute; inset:0;
  background:linear-gradient(to top,rgba(40,28,16,.78) 0%,rgba(40,28,16,.2) 50%,transparent 100%);
}
.bs-slide:nth-child(2) .bs-slide-overlay {
  background:linear-gradient(to top,rgba(20,36,20,.78) 0%,rgba(20,36,20,.2) 50%,transparent 100%);
}
.bs-slide-figure {
  position:absolute; right:0; top:0; bottom:0; width:60%;
}
.bs-slide:nth-child(1) .bs-slide-figure {
  background:radial-gradient(ellipse 55% 75% at 68% 38%,rgba(210,188,158,.22) 0%,transparent 65%),
             radial-gradient(ellipse 35% 55% at 82% 62%,rgba(170,138,106,.18) 0%,transparent 50%);
}
.bs-slide:nth-child(2) .bs-slide-figure {
  background:radial-gradient(ellipse 55% 75% at 65% 40%,rgba(158,188,158,.2) 0%,transparent 65%),
             radial-gradient(ellipse 35% 55% at 80% 65%,rgba(100,148,100,.15) 0%,transparent 50%);
}

.bs-slide-content { position:relative; z-index:2; max-width:800px; }
.bs-slide-sub {
  font-family:'Noto Sans KR',sans-serif;
  font-size:14px; font-weight:300; color:rgba(255,255,255,.85);
  letter-spacing:3px; margin-bottom:14px;
}
.bs-slide-title {
  font-family:'Cormorant Garamond',serif;
  font-size:clamp(52px,9vw,110px);
  font-weight:300; color:#fff;
  line-height:1.0; letter-spacing:-1px;
}
.bs-slide-title em { font-style:italic; color:var(--gold-lt); }

/* 화살표 */
.bs-slider-arrow {
  position:absolute; top:50%; transform:translateY(-50%); z-index:10;
  background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.25);
  color:#fff; width:48px; height:48px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; font-size:18px; transition:background .25s;
  backdrop-filter:blur(6px);
}
.bs-slider-arrow:hover { background:rgba(255,255,255,.25); }
.bs-slider-arrow.prev  { left:24px; }
.bs-slider-arrow.next  { right:24px; }

/* 인디케이터 → 하단 별도 블록에서 정의 */

/* ══════════════════════════════════════
   SECTIONS COMMON
══════════════════════════════════════ */
.bs-section         { padding:80px 64px; }
.bs-section-label   { font-size:11px; letter-spacing:4px; color:var(--mid); text-transform:uppercase; margin-bottom:10px; font-weight:500; }
.bs-section-title   { font-size:22px; font-weight:700; color:var(--deep); letter-spacing:1px; margin-bottom:16px; }
.bs-section-desc    { font-size:14px; color:var(--mid); line-height:2; font-weight:300; max-width:700px; }

/* ══════════════════════════════════════
   PROGRAMS
══════════════════════════════════════ */
.bs-prog-grid {
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:16px; margin-top:36px;
}
.bs-prog-card {
  position:relative; border-radius:6px; overflow:hidden;
  cursor:pointer; aspect-ratio:3/4;
  transition:transform .35s,box-shadow .35s;
}
.bs-prog-card:hover { transform:translateY(-4px); box-shadow:0 20px 48px rgba(42,33,24,.14); }

.bs-prog-card-bg {
  position:absolute; inset:0;
  background-size:cover; background-position:center;
  transition:transform .5s ease;
}
.bs-prog-card:hover .bs-prog-card-bg { transform:scale(1.05); }

/* 기본 그라디언트 (이미지 없을 때) */
.bs-prog-card:nth-child(1) .bs-prog-card-bg { background-image:linear-gradient(160deg,#C2A882 0%,#8A7060 40%,#604C38 100%); }
.bs-prog-card:nth-child(2) .bs-prog-card-bg { background-image:linear-gradient(160deg,#A8B898 0%,#788A68 40%,#506040 100%); }
.bs-prog-card:nth-child(3) .bs-prog-card-bg { background-image:linear-gradient(160deg,#C4A878 0%,#9A8058 40%,#705A38 100%); }
.bs-prog-card:nth-child(4) .bs-prog-card-bg { background-image:linear-gradient(160deg,#B8A898 0%,#887870 40%,#605850 100%); }

.bs-prog-card-overlay {
  position:absolute; inset:0;
  background:linear-gradient(to top,rgba(40,30,18,.85) 0%,rgba(40,30,18,.1) 55%,transparent 100%);
}
.bs-prog-card-info {
  position:absolute; bottom:0; left:0; right:0; z-index:2;
  padding:20px 18px;
}
.bs-prog-card-name {
  font-family:'Noto Serif KR',serif;
  font-size:16px; font-weight:400; color:#fff; margin-bottom:6px;
}
.bs-prog-card-desc { font-size:11px; color:rgba(255,255,255,.7); line-height:1.7; }

/* ══════════════════════════════════════
   REVIEWS
══════════════════════════════════════ */
.bs-reviews { background:var(--warm); padding:80px 64px; }
.bs-reviews-label { font-size:10px; letter-spacing:4px; color:var(--mid); text-transform:uppercase; margin-bottom:16px; }
.bs-reviews-title {
  font-family:'Noto Serif KR',serif;
  font-size:clamp(22px,3vw,36px); font-weight:300;
  color:var(--deep); line-height:1.5; margin-bottom:40px;
}
.bs-reviews-title strong { font-weight:600; display:block; }

.bs-reviews-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.bs-rv-card {
  background:var(--cream); border-radius:6px; padding:32px 28px;
  border:1px solid transparent;
  transition:border-color .25s,transform .3s,box-shadow .3s;
}
.bs-rv-card:hover { border-color:var(--br); transform:translateY(-3px); box-shadow:0 12px 36px rgba(42,33,24,.07); }
.bs-rv-title { font-size:15px; font-weight:500; color:var(--deep); margin-bottom:12px; }
.bs-rv-text  { font-size:13px; color:var(--mid); line-height:2; font-weight:300; }
.bs-rv-more-wrap { text-align:center; margin-top:40px; }
.bs-rv-more {
  display:inline-block;
  background:var(--deep); color:#fff;
  padding:13px 40px; border-radius:50px;
  font-size:13px; letter-spacing:1px;
  transition:background .25s;
}
.bs-rv-more:hover { background:var(--gold); }

/* ══════════════════════════════════════
   PROMO
══════════════════════════════════════ */
.bs-promo { display:grid; grid-template-columns:1fr 1fr; min-height:480px; }

.bs-promo-left {
  background:var(--cream);
  padding:80px 64px;
  display:flex; flex-direction:column; justify-content:center;
}
.bs-promo-label { font-size:10px; letter-spacing:4px; color:var(--mid); text-transform:uppercase; margin-bottom:20px; }
.bs-promo-title {
  font-family:'Noto Serif KR',serif;
  font-size:clamp(24px,3vw,38px); font-weight:300;
  color:var(--deep); line-height:1.5; margin-bottom:20px;
}
.bs-promo-title strong { font-weight:600; }
.bs-promo-desc { font-size:14px; color:var(--mid); line-height:2; font-weight:300; margin-bottom:16px; }
.bs-promo-note { font-size:12px; color:var(--mid); line-height:1.9; opacity:.7; }
.bs-promo-btn {
  display:inline-block; margin-top:28px;
  background:var(--deep); color:#fff;
  padding:14px 32px; border-radius:4px;
  font-size:13px; font-weight:500; letter-spacing:1px;
  width:fit-content; transition:background .25s;
}
.bs-promo-btn:hover { background:var(--gold); color:var(--deep); }

.bs-promo-right {
  position:relative; overflow:hidden;
  background:linear-gradient(145deg,#C0B0A0 0%,#988070 40%,#786050 100%);
  background-size:cover; background-position:center;
}
.bs-promo-right-overlay {
  position:absolute; inset:0;
  background:radial-gradient(ellipse 70% 80% at 50% 60%,rgba(210,185,155,.3) 0%,transparent 60%);
}

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.site-footer { background:var(--deep); padding:48px 64px 32px; }
.footer-inner {
  display:grid; grid-template-columns:auto 1fr auto;
  gap:60px; align-items:start;
  padding-bottom:32px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand { display:flex; align-items:center; gap:10px; }
.footer-brand .custom-logo { height:48px; width:auto; filter:brightness(0) invert(1) opacity(.7); }
.footer-brand-name { font-family:'Noto Serif KR',serif; font-size:18px; letter-spacing:4px; color:#fff; font-weight:400; }

.footer-info { display:flex; flex-direction:column; gap:5px; }
.footer-info p { font-size:12px; color:rgba(255,255,255,.4); line-height:1.8; }
.footer-info strong { color:rgba(255,255,255,.5); font-weight:400; }

.footer-links-row { display:flex; gap:24px; align-items:center; }
.footer-links-row a { font-size:12px; color:rgba(255,255,255,.35); transition:color .2s; }
.footer-links-row a:hover { color:var(--gold); }
.footer-links-row span { color:rgba(255,255,255,.15); font-size:10px; }

.footer-bot { padding-top:24px; display:flex; justify-content:space-between; align-items:center; }
.footer-copy { font-size:11px; color:rgba(255,255,255,.2); letter-spacing:1px; }

/* ══════════════════════════════════════
   NAVER FLOAT
══════════════════════════════════════ */
.nv-float {
  position:fixed; bottom:26px; right:26px; z-index:400;
  background:#03C75A; color:#fff; border-radius:50px;
  padding:12px 20px; display:flex; align-items:center; gap:7px;
  font-size:13px; font-weight:500;
  box-shadow:0 8px 24px rgba(3,199,90,.35);
  transition:transform .25s,box-shadow .25s;
}
.nv-float svg { width:16px; height:16px; fill:#fff; }
.nv-float:hover { transform:translateY(-3px); box-shadow:0 14px 36px rgba(3,199,90,.45); }

/* ══════════════════════════════════════
   REVEAL ANIMATION
══════════════════════════════════════ */
.r { opacity:0; transform:translateY(18px); transition:opacity .6s ease,transform .6s ease; }
.r.on { opacity:1; transform:none; }
.d1 { transition-delay:.08s; }
.d2 { transition-delay:.16s; }
.d3 { transition-delay:.24s; }

/* ══════════════════════════════════════
   GALLERY
══════════════════════════════════════ */
.bs-gallery { padding:80px 64px; background:var(--cream); }
.bs-gallery-header { margin-bottom:36px; }

.bs-gallery-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.bs-gallery-item {
  position:relative;
  aspect-ratio:3/4;
  border-radius:6px;
  overflow:hidden;
  background:var(--light);
  background-size:cover;
  background-position:center;
  cursor:pointer;
  transition:transform .35s, box-shadow .35s;
  min-width:0;
}
.bs-gallery-item:hover { transform:translateY(-4px); box-shadow:0 20px 48px rgba(42,33,24,.14); }

/* 이미지 없을 때 그라디언트 플레이스홀더 */
.bs-gallery-item:nth-child(1):not([style*="background-image"]) { background:linear-gradient(160deg,#D4C4B0 0%,#A89078 50%,#806050 100%); }
.bs-gallery-item:nth-child(2):not([style*="background-image"]) { background:linear-gradient(160deg,#B8C8B0 0%,#88A078 50%,#607050 100%); }
.bs-gallery-item:nth-child(3):not([style*="background-image"]) { background:linear-gradient(160deg,#C8B898 0%,#A09070 50%,#786040 100%); }
.bs-gallery-item:nth-child(4):not([style*="background-image"]) { background:linear-gradient(160deg,#C0B8B0 0%,#908880 50%,#686060 100%); }

/* 플레이스홀더 아이콘 */
.bs-gallery-item:not([style*="background-image"])::before {
  content:'＋';
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  font-size:40px; color:rgba(255,255,255,.3);
  font-weight:300;
}
/* 호버 오버레이 */
.bs-gallery-item::after {
  content:'';
  position:absolute; inset:0;
  background:rgba(42,33,24,0);
  transition:background .35s;
}
.bs-gallery-item:hover::after { background:rgba(42,33,24,.12); }

/* 캡션 */
.bs-gallery-cap {
  position:absolute; bottom:0; left:0; right:0; z-index:2;
  padding:14px 16px;
  background:linear-gradient(to top,rgba(42,33,24,.75) 0%,transparent 100%);
  font-size:13px; color:#fff; font-weight:300; letter-spacing:.5px;
}

/* ══════════════════════════════════════
   SLIDER DOTS — 사각형 + 가운데 정렬
══════════════════════════════════════ */
.bs-slider-dots {
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
  right:auto;
  display:flex; gap:8px; z-index:10;
}
.bs-dot {
  width:28px; height:4px; border-radius:2px;
  background:rgba(255,255,255,.35); border:none; cursor:pointer;
  transition:background .3s,transform .3s; padding:0;
}
.bs-dot.on { background:#fff; transform:scaleX(1.2); }

/* ══════════════════════════════════════
   HAMBURGER (모바일 전용, 기본 숨김)
══════════════════════════════════════ */
.hamburger {
  display:none;
  flex-direction:column; justify-content:center; gap:5px;
  background:none; border:none; cursor:pointer;
  width:36px; height:36px; padding:4px;
}
.hamburger span {
  display:block; height:2px; background:var(--deep);
  border-radius:2px; transition:transform .3s, opacity .3s;
}
.hamburger.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity:0; }
.hamburger.open span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }

/* 모바일 드로어 */
.mobile-nav {
  display:none;
  position:fixed; top:60px; left:0; right:0; z-index:190;
  background:rgba(250,247,242,.98); backdrop-filter:blur(16px);
  border-bottom:1px solid var(--br);
  flex-direction:column;
  padding:8px 0 16px;
  transform:translateY(-8px); opacity:0;
  transition:transform .3s ease, opacity .3s ease;
  pointer-events:none;
}
.mobile-nav.open {
  transform:translateY(0); opacity:1;
  pointer-events:auto;
}
.mobile-nav a {
  display:block; padding:13px 24px;
  font-family:'Noto Serif KR',serif; font-size:16px;
  color:var(--mid); letter-spacing:2px;
  border-bottom:1px solid var(--br);
  transition:color .2s, background .2s;
}
.mobile-nav a:last-child { border-bottom:none; }
.mobile-nav a:hover { color:var(--deep); background:var(--cream); }

/* 모바일 전화번호 (헤더 가운데) */
.mobile-tel {
  display:none;
  font-size:13px; font-weight:700; color:var(--deep);
  letter-spacing:0; text-align:center;
  white-space:nowrap;
  line-height:1.2;
}
.mobile-tel a { color:var(--deep); }

/* ══════════════════════════════════════
   RESPONSIVE — 태블릿
══════════════════════════════════════ */
@media (max-width:1024px) {
  .site-header     { padding:0 24px; }
  .bs-section      { padding:60px 32px; }
  .bs-reviews      { padding:60px 32px; }
  .bs-promo-left   { padding:60px 32px; }
  .site-footer     { padding:40px 32px 24px; }

  .bs-prog-grid    { grid-template-columns:repeat(2,1fr); }
  .bs-reviews-grid { grid-template-columns:repeat(2,1fr); }
  .footer-inner    { grid-template-columns:1fr; gap:24px; }
}

/* ══════════════════════════════════════
   RESPONSIVE — 모바일 (≤768px)
══════════════════════════════════════ */
@media (max-width:768px) {

  /* 헤더: 로고 작게 / 가운데 전화 / 오른쪽 햄버거 */
  .site-header {
    height:60px; padding:0 16px;
    display:grid;
    grid-template-columns:1fr 1fr 1fr;
    align-items:center;
  }
  .site-branding .custom-logo { height:38px; }
  .site-branding .site-title  { font-size:15px; letter-spacing:2px; }

  /* 가운데 전화번호 */
  .mobile-tel   { display:block; justify-self:center; }
  .nav-tel      { display:none; }

  /* 메인 메뉴 — 데스크탑 숨김, 드로어로 대체 */
  .main-navigation { display:none; }

  /* 오른쪽 햄버거 */
  .hamburger { display:flex; justify-self:end; }

  /* 모바일 드로어 표시 */
  .mobile-nav { display:flex; top:60px; }

  /* 섹션 패딩 */
  .bs-section      { padding:40px 16px; }
  .bs-reviews      { padding:40px 16px; }
  .bs-gallery      { padding:40px 16px; }
  .bs-gallery-grid { grid-template-columns:repeat(2,1fr); gap:8px; }
  .bs-promo        { grid-template-columns:1fr; }
  .bs-promo-right  { height:280px; }
  .bs-promo-left   { padding:40px 16px; }

  /* 섹션 헤더 텍스트 축소 */
  .bs-section-label  { font-size:9px; letter-spacing:2px; }
  .bs-section-title  { font-size:16px; margin-bottom:10px; }
  .bs-section-desc   { font-size:12px; line-height:1.8; }

  /* 프로그램 카드 */
  .bs-prog-grid       { grid-template-columns:1fr 1fr; gap:8px; }
  .bs-prog-card-name  { font-size:12px; margin-bottom:3px; }
  .bs-prog-card-desc  { font-size:9px; line-height:1.6; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
  .bs-prog-card-info  { padding:12px 10px; }

  .bs-reviews-grid { grid-template-columns:1fr; }
  .bs-slide        { padding-left:24px; padding-bottom:70px; }
  .site-footer     { padding:32px 16px; }
  .footer-inner    { grid-template-columns:1fr; }
}