/* ==========================================================================
   THE SIENA GROUP — PRESTIGE RESORT & GOLF MEMBERSHIP SPA
   Inspired by thesiena.life, thesiena.net, thesiena.org
   ========================================================================== */

:root {
  --siena-green: #0a463d;
  --siena-green-dark: #072d27;
  --siena-green-deep: #0c1f1c;
  --siena-gold: #c5a47e;
  --siena-gold-light: #dfd3c3;
  --siena-gold-dark: #9c7a54;
  --siena-burgundy: #6d2836;
  --bg-ivory: #f9f7f2;
  --bg-warm: #f2efe9;
  --bg-white: #ffffff;
  --bg-dark: #0f1715;
  --text-primary: #1a1e1d;
  --text-secondary: #525856;
  --text-muted: #848b88;
  --border-light: #e5e0d8;
  --border-gold: rgba(197, 164, 126, 0.35);
  --shadow-sm: 0 4px 16px rgba(10, 35, 30, 0.06);
  --shadow-md: 0 12px 32px rgba(10, 35, 30, 0.1);
  --shadow-lg: 0 24px 60px rgba(10, 35, 30, 0.16);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --font-serif-en: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --font-serif-kr: 'Noto Serif KR', Georgia, serif;
  --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --header-h: 84px;
  --transition: all 0.38s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg-ivory);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

.container-wide {
  max-width: 1560px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

/* Typography Helpers */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif-en);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--siena-gold-dark);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: currentColor;
}

.section-title {
  font-family: var(--font-serif-kr);
  font-size: clamp(1.85rem, 3.4vw, 2.85rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.section-desc {
  font-size: clamp(1rem, 1.3vw, 1.125rem);
  color: var(--text-secondary);
  max-width: 760px;
  line-height: 1.8;
}

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

.text-center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 1000;
  transition: var(--transition);
  background: rgba(12, 31, 28, 0.35);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.site-header.scrolled {
  background: rgba(10, 45, 39, 0.96);
  height: 74px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
  border-bottom-color: rgba(197, 164, 126, 0.25);
}

.header-inner {
  max-width: 1640px;
  height: 100%;
  margin: 0 auto;
  padding: 0 clamp(18px, 3vw, 44px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  padding: 8px 14px;
  border-radius: 6px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  flex-shrink: 0;
}

.brand-logo-img {
  height: clamp(18px, 1.8vw, 23px);
  width: auto;
  object-fit: contain;
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 30px);
}

.nav-link {
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 4px;
  position: relative;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--siena-gold);
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-tel {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--siena-gold), var(--siena-gold-dark));
  color: #fff;
  font-weight: 600;
  font-size: 0.94rem;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 15px rgba(197, 164, 126, 0.35);
}

.header-tel:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(197, 164, 126, 0.5);
}

.mobile-menu-btn {
  display: none;
  color: #fff;
  font-size: 1.5rem;
  padding: 6px;
}

/* ==========================================================================
   SPA VIEW FILTER BAR (Optional Quick View Mode)
   ========================================================================== */
.spa-mode-banner {
  display: none;
  background: var(--siena-green-deep);
  color: #fff;
  padding: calc(var(--header-h) + 18px) 20px 18px;
  border-bottom: 1px solid var(--border-gold);
}

.spa-mode-banner.active {
  display: block;
}

.spa-mode-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   HERO SECTION (FULLSCREEN SWIPER + NUMBERED PAGER)
   ========================================================================== */
.hero-section {
  position: relative;
  height: 100vh;
  min-height: 700px;
  max-height: 1080px;
  background: #081512;
  color: #fff;
  overflow: hidden;
}

.hero-swiper {
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  transition: transform 6s ease;
  filter: brightness(0.68);
}

.swiper-slide-active .hero-bg {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(7, 24, 20, 0.55) 0%,
    rgba(7, 24, 20, 0.28) 45%,
    rgba(7, 24, 20, 0.82) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 48px);
  padding-bottom: 70px;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-serif-en);
  font-size: 0.95rem;
  letter-spacing: 0.28em;
  color: var(--siena-gold-light);
  border: 1px solid rgba(197, 164, 126, 0.5);
  padding: 7px 18px;
  margin-bottom: 22px;
  background: rgba(10, 46, 39, 0.45);
  backdrop-filter: blur(6px);
}

.hero-title {
  font-family: var(--font-serif-kr);
  font-size: clamp(2.1rem, 4.5vw, 3.8rem);
  font-weight: 600;
  line-height: 1.24;
  margin-bottom: 18px;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 36px;
  max-width: 680px;
  font-weight: 300;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 32px;
  background: var(--siena-green);
  border: 1px solid var(--siena-gold);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--siena-gold-dark);
  border-color: var(--siena-gold-light);
  transform: translateY(-2px);
}

.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 32px;
  background: linear-gradient(135deg, var(--siena-gold), var(--siena-gold-dark));
  color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  box-shadow: 0 8px 25px rgba(197, 164, 126, 0.3);
}

.btn-gold:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.btn-outline-light:hover {
  background: #fff;
  color: var(--siena-green-dark);
}

/* Hero Bottom Numbered Bar (inspired by thesiena.life) */
.hero-bottom-nav {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  background: rgba(8, 24, 21, 0.78);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-tabs {
  max-width: 1480px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.hero-tab {
  padding: 20px 18px;
  text-align: left;
  color: rgba(255, 255, 255, 0.55);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  transition: var(--transition);
  cursor: pointer;
}

.hero-tab:last-child {
  border-right: none;
}

.hero-tab::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--siena-gold);
  transition: width 0.4s ease;
}

.hero-tab.active,
.hero-tab:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

.hero-tab.active::before {
  width: 100%;
}

.hero-tab-num {
  font-family: var(--font-serif-en);
  font-size: 0.85rem;
  color: var(--siena-gold);
  display: block;
  margin-bottom: 3px;
  letter-spacing: 0.1em;
}

.hero-tab-label {
  font-size: 0.95rem;
  font-weight: 600;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================================================
   SECTION COMMON SPACING
   ========================================================================== */
.section {
  padding: clamp(72px, 9vw, 128px) 0;
  position: relative;
}

.section-dark {
  background: var(--siena-green-deep);
  color: #ffffff;
}

.section-dark .section-title {
  color: #ffffff;
}

.section-dark .section-desc {
  color: rgba(255, 255, 255, 0.76);
}

.section-dark .eyebrow {
  color: var(--siena-gold);
}

.section-warm {
  background: var(--bg-warm);
}

.section-white {
  background: var(--bg-white);
}

/* ==========================================================================
   BRAND LINEUP (01 — 06 PRESTIGE LINEUP)
   ========================================================================== */
.heritage-banner {
  background: linear-gradient(135deg, #0a3830 0%, #071f1b 100%);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 5vw, 56px);
  color: #fff;
  margin-bottom: 64px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 36px;
  align-items: center;
  box-shadow: var(--shadow-lg);
}

.heritage-banner h3 {
  font-family: var(--font-serif-kr);
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  margin-bottom: 16px;
  color: var(--siena-gold-light);
}

.heritage-banner p {
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.8;
  font-size: 1.02rem;
}

.heritage-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.stat-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(197, 164, 126, 0.28);
  padding: 22px 20px;
  border-radius: var(--radius-md);
  text-align: center;
}

.stat-num {
  font-family: var(--font-serif-en);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--siena-gold);
  line-height: 1.1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.8);
}

.brand-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.brand-card {
  group: brand;
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.brand-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--siena-gold);
}

.brand-card-img-wrap {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.brand-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.brand-card:hover .brand-card-img-wrap img {
  transform: scale(1.07);
}

.brand-card-num {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(10, 46, 39, 0.88);
  color: var(--siena-gold);
  font-family: var(--font-serif-en);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 5px 13px;
  border-radius: 4px;
  border: 1px solid rgba(197, 164, 126, 0.4);
}

.brand-card-body {
  padding: 26px 26px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.brand-card-cat {
  font-family: var(--font-serif-en);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--siena-gold-dark);
  font-weight: 700;
  margin-bottom: 6px;
}

.brand-card-title {
  font-family: var(--font-serif-kr);
  font-size: 1.38rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.brand-card-desc {
  font-size: 0.94rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  flex: 1;
}

.brand-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--siena-green);
}

.brand-card:hover .brand-card-link {
  color: var(--siena-gold-dark);
  gap: 12px;
}

/* ==========================================================================
   PROPERTY SHOWCASE LAYOUT (RESORT & PRIMO)
   ========================================================================== */
.showcase-split {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  margin-bottom: 56px;
}

.showcase-split.reverse {
  grid-template-columns: 1fr 1.15fr;
}

.showcase-gallery-main {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16 / 10;
  background: #111;
}

.showcase-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.35s ease, transform 0.6s ease;
  cursor: zoom-in;
}

.showcase-thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.thumb-btn {
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 2px solid transparent;
  opacity: 0.65;
  transition: var(--transition);
}

.thumb-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.thumb-btn.active,
.thumb-btn:hover {
  opacity: 1;
  border-color: var(--siena-gold);
  transform: translateY(-2px);
}

.property-meta-list {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.property-meta-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.96rem;
}

.property-meta-label {
  font-weight: 700;
  color: var(--siena-green);
  min-width: 72px;
  flex-shrink: 0;
}

.quote-banner-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--siena-burgundy);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 24px 0;
  box-shadow: var(--shadow-sm);
}

.quote-banner-en {
  font-family: var(--font-serif-en);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--siena-burgundy);
  margin-bottom: 4px;
}

.quote-banner-kr {
  font-size: 0.96rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Pool Villa 6 Concepts Grid */
.poolvilla-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.poolvilla-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
}

.poolvilla-card:hover {
  border-color: var(--siena-gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.poolvilla-tag {
  font-family: var(--font-serif-en);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--siena-gold-dark);
  font-weight: 700;
}

.poolvilla-name {
  font-family: var(--font-serif-en);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--siena-green-dark);
  margin: 4px 0 10px;
}

.poolvilla-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   3 GOLF CLUBS SECTION (VELLUTO, SEOUL, JEJU)
   ========================================================================== */
.golf-tabs-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 40px 0 44px;
}

.golf-tab-btn {
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid rgba(197, 164, 126, 0.4);
  color: rgba(255, 255, 255, 0.75);
  background: rgba(255, 255, 255, 0.04);
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
}

.golf-tab-btn.active,
.golf-tab-btn:hover {
  background: var(--siena-gold);
  color: #081815;
  border-color: var(--siena-gold);
  box-shadow: 0 8px 24px rgba(197, 164, 126, 0.35);
}

.golf-panel {
  display: none;
  animation: fadeIn 0.45s ease;
}

.golf-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.golf-card-large {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(197, 164, 126, 0.25);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 44px);
}

.golf-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.golf-photo-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.12);
  cursor: zoom-in;
}

.golf-photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.golf-photo-item:hover img {
  transform: scale(1.06);
}

/* ==========================================================================
   LOUNGE CHEONGDAM & THE SIENA LIFE LOOKBOOK
   ========================================================================== */
.lounge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 32px;
}

.lounge-photo-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4 / 3;
  position: relative;
  cursor: zoom-in;
}

.lounge-photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.lounge-photo-card:hover img {
  transform: scale(1.06);
}

.floor-guide {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.floor-item {
  background: #fff;
  border: 1px solid var(--border-light);
  padding: 18px 20px;
  border-radius: var(--radius-sm);
}

.floor-badge {
  font-family: var(--font-serif-en);
  font-weight: 700;
  color: var(--siena-gold-dark);
  font-size: 0.9rem;
}

.floor-name {
  font-weight: 700;
  color: var(--siena-green-dark);
  margin-top: 4px;
}

.lookbook-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 36px;
}

.lookbook-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-sm);
  cursor: zoom-in;
  background: #fff;
}

.lookbook-item.wide {
  grid-column: span 2;
}

.lookbook-item img {
  width: 100%;
  height: 100%;
  max-height: 400px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.lookbook-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px 18px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.72));
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

/* ==========================================================================
   MEMBERSHIP & PRICING TABLES (price1.jpg ~ price4.jpg)
   ========================================================================== */
.membership-filter-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #ffffff;
  border: 1.5px solid var(--border-gold);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin: 36px 0 44px;
  overflow: hidden;
}

.membership-filter-group {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.membership-filter-group:first-child {
  border-right: 1.5px solid var(--border-light);
}

.membership-group-title {
  font-family: var(--font-serif-kr);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--siena-green-dark);
  letter-spacing: -0.01em;
}

.membership-group-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  width: 100%;
}

.membership-tab-btn {
  padding: 15px 18px;
  border-radius: var(--radius-sm);
  background: var(--bg-ivory);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.96rem;
  transition: var(--transition);
  text-align: center;
}

.membership-tab-btn.active,
.membership-tab-btn:hover {
  background: var(--siena-green);
  color: #fff;
  border-color: var(--siena-green);
  box-shadow: var(--shadow-sm);
}

.membership-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-top: 4px solid var(--siena-green);
  border-radius: var(--radius-md);
  padding: clamp(24px, 4vw, 48px);
  margin-bottom: 40px;
  box-shadow: var(--shadow-md);
}

.membership-card.gold-accent {
  border-top-color: var(--siena-gold-dark);
}

.membership-card-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 28px;
}

.membership-badge {
  display: inline-block;
  font-family: var(--font-serif-en);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--siena-gold-dark);
  background: rgba(197, 164, 126, 0.14);
  padding: 5px 12px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.membership-card-title {
  font-family: var(--font-serif-kr);
  font-size: clamp(1.25rem, 1.85vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--siena-green-dark);
  white-space: nowrap;
}

.sub-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 28px 0 14px;
}

.sub-heading::before {
  content: '■ ';
  color: var(--siena-green);
}

.sub-heading-note {
  font-size: 0.84rem;
  font-weight: 400;
  color: var(--text-muted);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-sm);
}

.siena-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  text-align: center;
  font-size: 0.95rem;
}

.siena-table thead th {
  background: #eae4dc;
  color: #2c2623;
  font-weight: 700;
  padding: 15px 14px;
  border: 1px solid #d5cdc2;
  border-top: 2px solid var(--siena-green);
}

.siena-table tbody th {
  background: #f4f1ec;
  color: var(--siena-green-dark);
  font-weight: 700;
  padding: 15px 14px;
  border: 1px solid #e2dcd3;
  vertical-align: middle;
}

.siena-table tbody td {
  padding: 15px 14px;
  border: 1px solid #e6e1d8;
  color: var(--text-primary);
  vertical-align: middle;
  background: #fff;
}

.siena-table tbody tr:hover td {
  background: #faf8f4;
}

.price-highlight {
  font-weight: 700;
  color: var(--siena-green);
  font-size: 1.08rem;
}

/* Original Price Sheet Thumbnails (price1.jpg ~ price4.jpg) */
.price-sheets-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.price-sheet-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: zoom-in;
}

.price-sheet-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--siena-gold);
}

.price-sheet-img-wrap {
  aspect-ratio: 1 / 1.414;
  overflow: hidden;
  background: #f5f5f5;
  position: relative;
}

.price-sheet-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.price-sheet-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 46, 39, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
}

.price-sheet-card:hover .price-sheet-overlay {
  opacity: 1;
}

.price-sheet-info {
  padding: 16px;
  text-align: center;
  border-top: 1px solid var(--border-light);
}

.price-sheet-info h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--siena-green-dark);
  margin-bottom: 4px;
}

.price-sheet-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Documents Box */
.common-info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 36px;
}

.info-box {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: clamp(28px, 3.5vw, 40px);
  box-shadow: var(--shadow-sm);
}

.bank-account-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--bg-ivory);
  border: 1px solid var(--border-gold);
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  margin-top: 14px;
}

.bank-num {
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--siena-green-dark);
  letter-spacing: 0.03em;
}

.copy-btn {
  padding: 8px 16px;
  background: var(--siena-green);
  color: #fff;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 600;
}

.copy-btn:hover {
  background: var(--siena-gold-dark);
}

/* ==========================================================================
   INQUIRY / BROCHURE REQUEST SECTION
   ========================================================================== */
.inquiry-wrapper {
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-gold);
}

.inquiry-left {
  background: linear-gradient(155deg, var(--siena-green-dark) 0%, #061a16 100%);
  color: #fff;
  padding: clamp(44px, 6vw, 76px) clamp(28px, 5vw, 64px);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.direct-call-card {
  width: 100%;
  max-width: 720px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(197, 164, 126, 0.45);
  border-radius: var(--radius-md);
  padding: clamp(28px, 4vw, 40px);
  margin-top: 36px;
}

.direct-call-label {
  font-size: 0.9rem;
  color: var(--siena-gold-light);
  letter-spacing: 0.14em;
  margin-bottom: 8px;
}

.direct-call-number {
  font-family: var(--font-serif-en);
  font-size: clamp(2.2rem, 3.6vw, 3.1rem);
  font-weight: 700;
  color: var(--siena-gold);
  display: block;
  line-height: 1.15;
  margin-bottom: 14px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #091210;
  color: rgba(255, 255, 255, 0.65);
  padding: 72px 0 100px;
  border-top: 1px solid rgba(197, 164, 126, 0.25);
  font-size: 0.9rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 36px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-addresses {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px 32px;
  margin-top: 32px;
}

.footer-addr-item strong {
  color: rgba(255, 255, 255, 0.92);
  display: block;
  margin-bottom: 3px;
}

/* ==========================================================================
   FLOATING QUICK ACTION BAR & LIGHTBOX MODAL
   ========================================================================== */
.floating-bar {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 990;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.float-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 20px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25);
  transition: var(--transition);
}

.float-btn.call {
  background: linear-gradient(135deg, var(--siena-gold), var(--siena-gold-dark));
  color: #fff;
}

.float-btn.inquiry {
  background: var(--siena-green);
  color: #fff;
  border: 1px solid var(--siena-gold);
}

.float-btn.top {
  width: 48px;
  height: 48px;
  padding: 0;
  justify-content: center;
  align-self: flex-end;
  background: rgba(15, 23, 21, 0.85);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.float-btn:hover {
  transform: translateY(-3px);
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(5, 14, 12, 0.92);
  backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.lightbox-modal.open {
  display: flex;
}

.lightbox-inner {
  position: relative;
  max-width: 1120px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-inner img {
  max-width: 100%;
  max-height: 82vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.lightbox-caption {
  color: #fff;
  margin-top: 14px;
  font-size: 1rem;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: -44px;
  right: 0;
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  padding: 6px;
}

/* Toast Notification */
.toast-msg {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(30px);
  background: var(--siena-green-dark);
  color: #fff;
  border: 1px solid var(--siena-gold);
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  z-index: 2500;
}

.toast-msg.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1120px) {
  .membership-card-title {
    white-space: normal;
  }
  .main-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: inline-flex;
  }
  .main-nav.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(8, 28, 24, 0.98);
    padding: 24px;
    border-bottom: 1px solid var(--border-gold);
    gap: 16px;
  }
  .brand-grid,
  .poolvilla-grid,
  .lounge-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .price-sheets-grid,
  .lookbook-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .showcase-split,
  .showcase-split.reverse,
  .heritage-banner,
  .inquiry-wrapper,
  .common-info-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .membership-filter-box {
    grid-template-columns: 1fr;
  }
  .membership-filter-group:first-child {
    border-right: none;
    border-bottom: 1.5px solid var(--border-light);
  }
  .membership-group-btns {
    grid-template-columns: 1fr;
  }
  .hero-tabs {
    grid-template-columns: 1fr;
    display: none;
  }
  .brand-grid,
  .poolvilla-grid,
  .lounge-grid,
  .price-sheets-grid,
  .lookbook-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }
  .lookbook-item.wide,
  .form-group.full {
    grid-column: span 1;
  }
  .header-tel span.tel-label {
    display: none;
  }
}