/* ==========================================================================
   HALL MARK CLUBHOUSE - LUXURY ARCHITECTURAL EXPERIENCE
   Design System & Premium Aesthetics
   ========================================================================== */

:root {
  /* Color Tokens - Ultra Luxury Off-White & Warm Beige Theme */
  --bg-dark: #f5f2eb;
  --bg-card: rgba(235, 228, 214, 0.85);
  --bg-card-hover: rgba(228, 220, 204, 0.95);
  --bg-light: #f5f2eb;
  --bg-beige: #e5ddcb;
  
  --text-main: #1a1815;
  --text-muted: #5c5448;
  --text-dark: #121110;
  
  --accent-gold: #ba9663;
  --accent-gold-bright: #d1b07f;
  --accent-bronze: #8f7248;
  --accent-green: #2d5a43;
  
  --glass-bg: rgba(235, 228, 214, 0.82);
  --glass-border: rgba(186, 150, 99, 0.25);
  --glass-border-gold: rgba(186, 150, 99, 0.45);
  
  /* Typography */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Transitions & Timing */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.25, 1, 0.5, 1);
}

/* Fixed Scroll-Parallax Video & Image Background */
.fixed-video-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

/* Hero Architectural Image Layer */
.hero-image-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 1;
  transition: opacity 0.5s ease, filter 0.5s ease;
  will-change: transform, opacity, filter;
}

#hero-render-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1);
  will-change: transform;
}

.hero-img-overlay {
  display: none !important;
}

/* Volumetric Cloud Submerge Curtain */
.cloud-curtain-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  will-change: opacity, transform;
}

.cloud-layer {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  will-change: transform, opacity, filter;
}

.cloud-layer-1 {
  top: -25%;
  left: -25%;
  width: 150%;
  height: 150%;
  background: radial-gradient(ellipse at 30% 35%, rgba(255, 255, 255, 0.95) 0%, rgba(247, 245, 240, 0.7) 45%, rgba(247, 245, 240, 0) 75%);
  filter: blur(40px);
  transform: scale(0.6) translate(-10%, -10%);
}

.cloud-layer-2 {
  top: -15%;
  right: -25%;
  width: 150%;
  height: 150%;
  background: radial-gradient(ellipse at 70% 30%, rgba(255, 255, 255, 0.92) 0%, rgba(245, 240, 230, 0.6) 50%, rgba(247, 245, 240, 0) 80%);
  filter: blur(50px);
  transform: scale(0.6) translate(10%, -10%);
}

.cloud-layer-3 {
  bottom: -25%;
  left: -15%;
  width: 140%;
  height: 140%;
  background: radial-gradient(ellipse at 40% 70%, rgba(255, 255, 255, 0.96) 0%, rgba(240, 235, 225, 0.65) 45%, rgba(247, 245, 240, 0) 75%);
  filter: blur(45px);
  transform: scale(0.6) translate(-5%, 10%);
}

.cloud-layer-4 {
  top: 15%;
  left: 15%;
  width: 110%;
  height: 110%;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.9) 0%, rgba(247, 245, 240, 0.5) 55%, rgba(247, 245, 240, 0) 85%);
  filter: blur(35px);
  transform: scale(0.6);
}

.cloud-mist-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(247, 245, 240, 0.4);
  backdrop-filter: blur(20px);
  opacity: 0;
  will-change: opacity;
}

#parallax-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 0.6s ease;
  will-change: transform, opacity;
}

.video-vignette-overlay {
  display: none !important;
}

.video-ambient-glow {
  display: none !important;
}

/* Video Scrub Time Indicator Pill */
.video-scrub-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--glass-border-gold);
  border-radius: 30px;
  padding: 0.4rem 0.9rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-gold);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  margin-right: 0.5rem;
}

.video-scrub-pill i {
  width: 14px;
  height: 14px;
}

.scrub-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent-gold);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

/* Make sections translucent so video shines through on scroll */
.section {
  padding: 10rem 0;
  position: relative;
  z-index: 2;
  background-color: rgba(245, 242, 235, 0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
}

.section.dark-bg {
  background-color: rgba(235, 228, 214, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

/* Reset & Base Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  background-color: var(--bg-light);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body {
  position: relative;
  width: 100%;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Hide default cursor on desktop */
@media (min-width: 1024px) {
  body {
    cursor: none;
  }
  a, button, input, select, textarea, [data-magnet] {
    cursor: none;
  }
}

.container {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 2rem;
}

.hidden {
  display: none !important;
}

/* Custom Cursor */
#custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
}

@media (max-width: 1024px), (pointer: coarse) {
  #custom-cursor {
    display: none !important;
  }
}

#cursor-ring {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(197, 168, 128, 0.5);
  border-radius: 50%;
  position: fixed;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--ease-out-expo), height 0.3s var(--ease-out-expo), border-color 0.3s ease, background 0.3s ease;
}

#cursor-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent-gold);
  border-radius: 50%;
  position: fixed;
  transform: translate(-50%, -50%);
  transition: opacity 0.2s ease;
}

#cursor-text {
  position: fixed;
  transform: translate(-50%, -50%);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--bg-dark);
  opacity: 0;
  transition: opacity 0.2s ease;
}

body.cursor-hover #cursor-ring {
  width: 70px;
  height: 70px;
  background: rgba(197, 168, 128, 0.2);
  border-color: var(--accent-gold);
}

body.cursor-text-active #cursor-ring {
  width: 80px;
  height: 80px;
  background: var(--accent-gold);
  border-color: var(--accent-gold);
}

body.cursor-text-active #cursor-dot {
  opacity: 0;
}

body.cursor-text-active #cursor-text {
  opacity: 1;
}

/* Particle Canvas */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
  opacity: 0.6;
}

/* Main Header Setup */
#main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.5rem 0;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: none;
  box-shadow: none;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), padding 0.4s ease, background 0.4s ease, backdrop-filter 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

/* Hide Header when scrolling DOWN past hero */
#main-header.nav-hidden {
  transform: translateY(-100%);
}

/* Luxurious Tint Header when scrolling UP past hero */
#main-header.header-tint {
  transform: translateY(0);
  padding: 0.85rem 0;
  background: rgba(245, 242, 235, 0.92) !important;
  backdrop-filter: blur(25px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(25px) saturate(180%) !important;
  border-bottom: 1px solid rgba(186, 150, 99, 0.25) !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05) !important;
}

/* Tinted Header Text Adaptations */
#main-header.header-tint .brand-mark {
  color: #1a1815;
  text-shadow: none;
}

#main-header.header-tint .brand-sub {
  color: var(--accent-gold);
  text-shadow: none;
}

#main-header.header-tint .nav-link {
  color: #4a453e;
  text-shadow: none;
}

#main-header.header-tint .nav-link:hover,
#main-header.header-tint .nav-link.active {
  color: #1a1815;
}

#main-header.header-tint .icon-btn {
  background: rgba(255, 255, 255, 0.7);
  border-color: rgba(186, 150, 99, 0.3);
  color: #1a1815;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.header-inner {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.brand-mark {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: #ffffff;
  line-height: 1;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}

.brand-sub {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.4em;
  color: var(--accent-gold);
  margin-top: 0.25rem;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.6);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: #ffffff;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  padding: 0.4rem 0;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.7);
  transition: color 0.3s ease;
}

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

.nav-link:hover, .nav-link.active {
  color: var(--accent-gold-bright);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.icon-btn {
  background: rgba(18, 20, 24, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: border-color 0.3s ease, background 0.3s ease;
}

.icon-btn:hover {
  background: rgba(186, 150, 99, 0.3);
  border-color: var(--accent-gold);
}

/* Sound Wave Animation */
.sound-wave {
  display: none;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
}

.sound-wave span {
  width: 2px;
  background-color: var(--accent-gold);
  border-radius: 2px;
  animation: wave 1.2s infinite ease-in-out alternate;
}

.sound-wave span:nth-child(1) { height: 40%; animation-delay: 0s; }
.sound-wave span:nth-child(2) { height: 100%; animation-delay: 0.2s; }
.sound-wave span:nth-child(3) { height: 60%; animation-delay: 0.4s; }

@keyframes wave {
  0% { height: 20%; }
  100% { height: 100%; }
}

/* Buttons */
.btn-primary {
  background: var(--accent-gold);
  color: #ffffff;
  border: none;
  padding: 0.85rem 1.75rem;
  border-radius: 40px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(186, 150, 99, 0.3);
  transition: background 0.3s ease, transform 0.3s var(--ease-out-expo), box-shadow 0.3s ease;
}

.btn-primary:hover {
  background: var(--accent-gold-bright);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(186, 150, 99, 0.4);
}

.btn-secondary {
  background: rgba(18, 20, 24, 0.5);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.85rem 1.75rem;
  border-radius: 40px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(18, 20, 24, 0.7);
  border-color: var(--accent-gold);
  transform: translateY(-2px);
}

.btn-xl {
  padding: 1.1rem 2.2rem;
  font-size: 0.85rem;
}

/* Hero Section */
.hero-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 6rem;
  overflow: hidden;
}

.video-bg-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

#hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  will-change: transform;
}

.video-overlay {
  display: none !important;
}

.vignette {
  display: none !important;
}

/* Smooth Black Tint Overlay when text reveals after animation */
.hero-text-tint-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background: radial-gradient(circle at center, rgba(10, 12, 15, 0.25) 0%, rgba(10, 12, 15, 0.45) 100%);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  will-change: opacity;
  transform: translateZ(0);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-text-tint-overlay.visible {
  opacity: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  margin-top: 2rem;
  opacity: 0;
  transform: translateY(35px) translateZ(0);
  pointer-events: none;
  will-change: opacity, transform;
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-content.visible {
  opacity: 1;
  transform: translateY(0) translateZ(0);
  pointer-events: auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--glass-border-gold);
  padding: 0.45rem 1.2rem;
  border-radius: 30px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--accent-gold-bright);
  margin-bottom: 2rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.badge-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent-gold);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 0.3; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.2); }
  100% { opacity: 0.3; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.05;
  text-transform: uppercase;
  color: #ffffff;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.8);
}

/* Split Words Mask Animation Classes */
.word-wrapper {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  margin-right: 0.25em;
}

.word-inner {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
  will-change: transform, opacity;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.4rem);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.9);
  max-width: 750px;
  margin: 0 auto 3rem auto;
  line-height: 1.6;
  text-shadow: 0 2px 15px rgba(0, 0, 0, 0.7);
}

.hero-metrics-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  background: rgba(18, 20, 24, 0.75);
  border: 1px solid rgba(186, 150, 99, 0.35);
  backdrop-filter: blur(25px) saturate(180%);
  -webkit-backdrop-filter: blur(25px) saturate(180%);
  padding: 1.5rem 3rem;
  border-radius: 24px;
  max-width: 950px;
  margin: 0 auto;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.metric-num {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--accent-gold-bright);
  line-height: 1;
}

.metric-unit {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--accent-gold-bright);
}

.metric-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #a0988c;
  margin-top: 0.4rem;
}

.metric-divider {
  width: 1px;
  height: 40px;
  background: var(--glass-border);
}

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: #ffffff;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7);
  transition: opacity 0.5s var(--ease-out-expo), transform 0.5s var(--ease-out-expo);
}

.scroll-indicator.fade-out {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 15px);
}

.scroll-text {
  color: #ffffff;
  font-weight: 700;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.scroll-indicator i {
  color: #ffffff;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.7));
}

.mouse-icon {
  width: 22px;
  height: 36px;
  border: 2px solid #ffffff;
  border-radius: 12px;
  position: relative;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.mouse-icon .wheel {
  width: 3px;
  height: 6px;
  background-color: var(--accent-gold);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll-wheel 1.8s infinite var(--ease-smooth);
}

@keyframes scroll-wheel {
  0% { opacity: 1; transform: translate(-50%, 0); }
  100% { opacity: 0; transform: translate(-50%, 12px); }
}

.video-controls {
  position: absolute;
  bottom: 2.5rem;
  right: 2.5rem;
  z-index: 2;
  display: flex;
  gap: 0.75rem;
}

.video-ctrl-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: #ffffff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  transition: border-color 0.3s ease;
}

.video-ctrl-btn:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

/* Sections Base Styling */
.section {
  padding: 8rem 0;
  position: relative;
  z-index: 2;
  background-color: var(--bg-dark);
}

.section.dark-bg {
  background-color: rgba(235, 228, 214, 0.92);
}

.section-header {
  margin-bottom: 4rem;
}

.section-header.center {
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--accent-gold);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 4.5vw, 4rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: #1a1815;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.section-lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 780px;
  line-height: 1.7;
}

/* Chapter 1: Architecture Cards */
.arch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.arch-card {
  background: rgba(235, 228, 214, 0.88);
  border: 1px solid rgba(186, 150, 99, 0.3);
  border-radius: 20px;
  overflow: hidden;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 15px 35px rgba(135, 110, 75, 0.08);
  transition: transform 0.4s var(--ease-out-expo), border-color 0.4s ease, box-shadow 0.4s ease;
}

.arch-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-gold);
  box-shadow: 0 25px 50px rgba(186, 150, 99, 0.18);
}

.card-img-wrap {
  position: relative;
  width: 100%;
  height: 260px;
  overflow: hidden;
}

.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out-expo);
}

.arch-card:hover .card-img-wrap img {
  transform: scale(1.08);
}

.card-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--glass-border-gold);
  padding: 0.35rem 0.9rem;
  border-radius: 20px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent-gold);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.card-content {
  padding: 2rem;
}

.card-content h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 500;
  color: #121418;
  margin-bottom: 0.75rem;
}

.card-content p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--glass-border);
  padding-top: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-gold);
}

/* Video Feature Banner */
.video-feature-banner {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(247, 245, 240, 0.85) 100%);
  border: 1px solid var(--glass-border-gold);
  border-radius: 20px;
  padding: 2.5rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.04);
}

.v-banner-info h3 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: #121418;
  margin: 0.5rem 0;
}

.v-banner-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.v-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
}

/* Floor Section Header */
.floor-header {
  margin-bottom: 3.5rem;
}

.floor-badge {
  display: inline-block;
  background: rgba(158, 126, 76, 0.12);
  border: 1px solid var(--glass-border-gold);
  padding: 0.3rem 0.9rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
  margin-bottom: 1rem;
}

.floor-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 400;
  color: #121418;
  margin-bottom: 1rem;
}

.floor-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 700px;
}

/* Amenity Tab Showcase */
.amenity-showcase {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.showcase-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 1rem;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.75rem 1.5rem;
  border-radius: 30px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: color 0.3s ease, background 0.3s ease;
}

.tab-btn:hover {
  color: #121418;
  background: rgba(255, 255, 255, 0.6);
}

.tab-btn.active {
  color: #ffffff;
  background: var(--accent-gold);
}

.tab-pane {
  display: none;
  animation: fadeIn 0.5s ease forwards;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.pane-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.pane-media {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  height: 420px;
  border: 1px solid var(--glass-border);
}

.pane-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.play-scene-overlay {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--glass-border-gold);
  color: var(--accent-gold);
  padding: 0.75rem 1.5rem;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: background 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

.play-scene-overlay:hover {
  background: var(--accent-gold);
  color: #ffffff;
  transform: scale(1.05);
}

.pane-details h3 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 500;
  color: #121418;
  margin-bottom: 1rem;
}

.pane-details p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.spec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.spec-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-main);
}

.spec-list i {
  color: var(--accent-gold);
  width: 18px;
}

/* Split Feature Row (Level 01 Boardroom) */
.split-feature-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: 24px;
  padding: 3.5rem;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.04);
}

.feature-text .sub-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
}

.feature-text h3 {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: #121418;
  margin: 0.5rem 0 1rem 0;
}

.feature-text p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.feature-specs {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
}

.spec-box {
  display: flex;
  flex-direction: column;
}

.box-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 500;
  color: var(--accent-gold);
}

.box-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.feature-image {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  height: 400px;
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--glass-border-gold);
  color: var(--accent-gold);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

/* Facility Grid (Level 02 Gym & Games) */
.grid-2col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 2.5rem;
}

/* Facility Grid (Level 02 Gym & Games) */
.grid-2col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 2.5rem;
}

.facility-card {
  background: rgba(235, 228, 214, 0.88);
  border: 1px solid rgba(186, 150, 99, 0.3);
  border-radius: 20px;
  overflow: hidden;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 15px 35px rgba(135, 110, 75, 0.08);
  transition: transform 0.4s var(--ease-out-expo);
}

.facility-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-gold);
}

.f-img {
  position: relative;
  height: 280px;
}

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

.f-play {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--glass-border-gold);
  color: var(--accent-gold);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.f-body {
  padding: 2rem;
}

.f-body h3 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: #1a1815;
  margin-bottom: 0.75rem;
}

.f-body p {
  color: #4a453e;
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.f-tags {
  display: flex;
  gap: 0.6rem;
}

.f-tags span {
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--glass-border-gold);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-gold);
}

/* Sky Terrace Hero Box */
.sky-hero-box {
  background: rgba(235, 228, 214, 0.92);
  border: 1px solid rgba(186, 150, 99, 0.35);
  border-radius: 24px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 15px 35px rgba(135, 110, 75, 0.08);
}

.sky-media {
  position: relative;
  min-height: 440px;
}

.sky-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sky-video-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--accent-gold);
  color: #1a1815;
  padding: 1rem 2rem;
  border-radius: 40px;
  font-size: 0.9rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.sky-video-btn:hover {
  transform: translate(-50%, -50%) scale(1.05);
  background: var(--accent-gold);
  color: #ffffff;
}

.sky-content {
  padding: 3.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sky-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
}

.sky-content h3 {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  color: #1a1815;
  margin: 0.5rem 0 1rem 0;
}

.sky-content p {
  color: #4a453e;
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.sky-features {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.s-feat {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.s-feat i {
  color: var(--accent-gold);
  width: 24px;
  height: 24px;
}

.s-feat strong {
  display: block;
  font-size: 1rem;
  color: #1a1815;
}

.s-feat p {
  font-size: 0.85rem;
  color: #5c5448;
  margin: 0;
}

/* Master Plan 3D Isometric Exploded Floor Stack */
.masterplan-section {
  padding-bottom: 10rem;
}

.stack-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-top: 4rem;
}

.isometric-stack {
  position: relative;
  width: 100%;
  height: 600px;
  perspective: 1200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.stack-layer {
  position: absolute;
  width: 380px;
  height: 130px;
  transform-style: preserve-3d;
  transform: rotateX(55deg) rotateZ(-30deg) translateZ(calc(var(--layer-index) * 60px));
  transition: transform 0.5s var(--ease-out-expo), filter 0.5s ease;
  cursor: pointer;
}

.stack-layer:hover, .stack-layer.active {
  transform: rotateX(55deg) rotateZ(-30deg) translateZ(calc(var(--layer-index) * 75px + 20px));
}

.layer-card {
  width: 100%;
  height: 100%;
  background: rgba(18, 20, 24, 0.92);
  border: 1px solid rgba(186, 150, 99, 0.4);
  border-radius: 16px;
  padding: 1.2rem 1.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.stack-layer.active .layer-card, .stack-layer:hover .layer-card {
  background: rgba(30, 34, 42, 0.96);
  border-color: var(--accent-gold-bright);
  box-shadow: 0 30px 60px rgba(186, 150, 99, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.layer-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.l-num {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--accent-gold-bright);
}

.l-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: #ffffff;
}

.layer-body p {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 0.4rem;
}

.l-area {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-gold-bright);
}

/* Side Floor Info Panel - Black Luxury Card */
.stack-info-panel {
  background: rgba(18, 20, 24, 0.92);
  border: 1px solid rgba(186, 150, 99, 0.35);
  border-radius: 24px;
  padding: 3rem;
  backdrop-filter: blur(25px) saturate(180%);
  -webkit-backdrop-filter: blur(25px) saturate(180%);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.info-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-gold-bright);
  margin-bottom: 1rem;
}

.stack-info-panel h3 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: #ffffff;
  margin-bottom: 1rem;
}

.stack-info-panel p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.info-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.5rem 0;
  margin-bottom: 2rem;
}

.i-stat {
  display: flex;
  flex-direction: column;
}

.i-lbl {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 0.3rem;
}

.i-stat strong {
  font-size: 0.9rem;
  color: #ffffff;
}

/* Final CTA Section */
.cta-section {
  position: relative;
  padding: 10rem 0;
  overflow: hidden;
  text-align: center;
}

.cta-video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.cta-video-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 12, 15, 0.82);
}

.cta-container {
  position: relative;
  z-index: 2;
  max-width: 850px;
}

.cta-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--accent-gold-bright);
}

.cta-heading {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 5.5vw, 5rem);
  color: #ffffff;
  margin: 1rem 0 1.5rem 0;
}

.cta-sub {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 3rem;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* Footer */
#main-footer {
  background-color: #e5ddcb;
  border-top: 1px solid rgba(186, 150, 99, 0.3);
  padding: 5rem 0 2rem 0;
  position: relative;
  z-index: 2;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: #4a453e;
  font-size: 0.9rem;
  margin-top: 1rem;
}

.footer-links {
  display: flex;
  gap: 4rem;
}

.f-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.f-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
  margin-bottom: 0.5rem;
}

.f-col a, .f-col p {
  color: #4a453e;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.f-col a:hover {
  color: #1a1815;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(186, 150, 99, 0.25);
  padding-top: 2rem;
  font-size: 0.8rem;
  color: #5c5448;
}

/* Modal Window */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(15px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: rgba(245, 240, 230, 0.98);
  border: 1px solid rgba(186, 150, 99, 0.4);
  border-radius: 24px;
  width: 100%;
  max-width: 650px;
  padding: 3rem;
  position: relative;
  transform: scale(0.9);
  transition: transform 0.4s var(--ease-out-expo);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(186, 150, 99, 0.3);
  color: #1a1815;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease;
}

.modal-close:hover {
  background: rgba(186, 150, 99, 0.2);
}

.modal-header h2 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: #1a1815;
  margin: 0.4rem 0;
}

.modal-tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
}

.modal-form {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: #4a453e;
}

.form-group input, .form-group select, .form-group textarea {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(186, 150, 99, 0.3);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  color: #1a1815;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--accent-gold);
}

.btn-block {
  width: 100%;
  justify-content: center;
  padding: 1.1rem;
  margin-top: 1rem;
}

.modal-success {
  text-align: center;
  padding: 2rem 0;
}

.success-icon {
  width: 60px;
  height: 60px;
  background: rgba(197, 168, 128, 0.15);
  border: 1px solid var(--accent-gold);
  border-radius: 50%;
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem auto;
}

/* Hero 182-Frame Canvas Sequence Section */
.hero-sequence-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 6rem;
  overflow: hidden;
  background-color: var(--bg-dark);
}

.hero-canvas-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

#sequence-canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.canvas-vignette {
  display: none !important;
}

.canvas-loader {
  position: absolute;
  bottom: 2rem;
  left: 2rem;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--glass-border-gold);
  color: var(--accent-gold);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: opacity 0.4s ease;
}

.canvas-loader.done {
  opacity: 0;
  pointer-events: none;
}

.spinner {
  width: 12px;
  height: 12px;
  border: 2px solid var(--accent-gold);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* 3D Video Cinema Section */
.cinema-section {
  background: var(--bg-light);
  padding: 8rem 0;
}

.cinema-theater-box {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--glass-border-gold);
  border-radius: 24px;
  overflow: hidden;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.06), 0 0 40px rgba(158, 126, 76, 0.1);
}

.theater-video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  cursor: pointer;
}

#cinema-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cinema-play-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: rgba(13, 14, 16, 0.85);
  border: 1px solid var(--accent-gold);
  border-radius: 50%;
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  transition: transform 0.3s ease, background 0.3s ease;
}

.theater-video-wrap:hover .cinema-play-overlay {
  transform: translate(-50%, -50%) scale(1.1);
  background: var(--accent-gold);
  color: var(--bg-dark);
}

.play-pulse-ring {
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  border: 1px solid var(--accent-gold);
  border-radius: 50%;
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.3); opacity: 0; }
}

.cinema-controls-bar {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 2rem;
  background: rgba(18, 20, 24, 0.9);
  border-top: 1px solid var(--glass-border);
}

.c-ctrl-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: #ffffff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s ease, color 0.3s ease;
}

.c-ctrl-btn:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.c-scrub-wrap {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
}

#cinema-scrubber {
  width: 100%;
  -webkit-appearance: none;
  background: rgba(255, 255, 255, 0.1);
  height: 6px;
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

#cinema-scrubber::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-gold);
  box-shadow: 0 0 10px var(--accent-gold);
}

.c-time {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.cinema-scene-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: rgba(13, 14, 16, 0.95);
  border-top: 1px solid var(--glass-border);
  overflow-x: auto;
}

.scene-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent-gold);
  white-space: nowrap;
}

.scene-chip {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  padding: 0.4rem 0.9rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.scene-chip:hover {
  background: rgba(197, 168, 128, 0.15);
  border-color: var(--accent-gold);
  color: #ffffff;
}

/* ==========================================================================
   MOBILE & TABLET RESPONSIVE SYSTEM
   ========================================================================== */

/* Mobile Nav Toggle Button Base */
.mobile-toggle-btn, .mobile-close-btn {
  display: none;
}

@media (max-width: 1024px) {
  .mobile-toggle-btn {
    display: flex;
  }

  .mobile-close-btn {
    display: flex;
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: rgba(18, 20, 24, 0.08);
    border: 1px solid rgba(186, 150, 99, 0.4);
    color: #1a1815;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    cursor: pointer;
    z-index: 100;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(245, 242, 235, 0.97);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    padding: 3rem 2rem;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 99;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
  }

  .nav-menu.mobile-open {
    transform: translateX(0);
  }

  .nav-menu .nav-link {
    font-size: 1.25rem;
    color: #1a1815;
    text-shadow: none;
    letter-spacing: 0.15em;
  }

  .pane-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .pane-media {
    height: 320px;
  }

  .split-feature-row {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 2.5rem;
  }

  .sky-hero-box {
    grid-template-columns: 1fr;
  }

  .stack-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: 0 1.25rem;
  }

  .brand-mark {
    font-size: 1.1rem;
    letter-spacing: 0.2em;
  }

  .brand-sub {
    font-size: 0.55rem;
  }

  .btn-primary {
    padding: 0.65rem 1.1rem;
    font-size: 0.75rem;
  }

  .section {
    padding: 5rem 0;
  }

  .section-title {
    font-size: 2.2rem;
  }

  .hero-sequence-section {
    padding-top: 0;
    min-height: 100vh;
  }

  .hero-badge {
    padding: 0.35rem 0.85rem;
    font-size: 0.6rem;
  }

  .hero-title {
    font-size: 2.2rem;
    line-height: 1.2;
    margin-bottom: 1rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    margin-bottom: 1.75rem;
    padding: 0 0.5rem;
  }

  .hero-metrics-bar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem 0.5rem;
    padding: 1.25rem 1rem;
    width: 94%;
    border-radius: 18px;
  }

  .metric-divider {
    display: none;
  }

  .metric-num {
    font-size: 1.7rem;
  }

  .metric-unit {
    font-size: 0.95rem;
  }

  .metric-label {
    font-size: 0.65rem;
  }

  .arch-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .arch-card {
    border-radius: 16px;
  }

  .card-img-wrap {
    height: 220px;
  }

  .card-content {
    padding: 1.5rem;
  }

  .card-content h3 {
    font-size: 1.35rem;
  }

  .video-feature-banner {
    flex-direction: column;
    text-align: center;
    padding: 2rem 1.5rem;
    gap: 1.25rem;
  }

  .grid-2col {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .facility-card {
    border-radius: 16px;
  }

  .f-img {
    height: 220px;
  }

  .f-body {
    padding: 1.5rem;
  }

  .f-body h3 {
    font-size: 1.4rem;
  }

  .sky-media {
    min-height: 260px;
  }

  .sky-content {
    padding: 2rem 1.5rem;
  }

  .sky-content h3 {
    font-size: 1.8rem;
  }

  .isometric-stack {
    height: 420px;
    transform: scale(0.85);
  }

  .stack-layer {
    width: 290px;
    height: 110px;
  }

  .stack-info-panel {
    padding: 1.75rem 1.5rem;
    border-radius: 18px;
  }

  .stack-info-panel h3 {
    font-size: 1.75rem;
  }

  .info-stats-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
    text-align: left;
  }

  .cinema-section {
    padding: 5rem 0;
  }

  .cinema-controls-bar {
    flex-wrap: wrap;
    padding: 1rem 1.25rem;
    gap: 0.75rem;
  }

  .c-scrub-wrap {
    width: 100%;
    order: 3;
    margin-top: 0.25rem;
  }

  .cta-section {
    padding: 6rem 0;
  }

  .cta-heading {
    font-size: 2.2rem;
  }

  .cta-sub {
    font-size: 1.05rem;
    margin-bottom: 2rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 2.5rem;
  }

  .footer-links {
    flex-direction: column;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
    align-items: center;
  }

  .modal-card {
    padding: 2rem 1.5rem;
    max-width: 92vw;
    border-radius: 20px;
  }

  .modal-header h2 {
    font-size: 1.75rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.85rem;
  }

  .scroll-indicator {
    bottom: 1.5rem;
  }

  .scroll-text {
    font-size: 0.55rem;
  }

  .arch-card, .facility-card, .sky-hero-box, .split-feature-row, .stack-info-panel {
    border-radius: 14px;
  }

  .isometric-stack {
    height: 380px;
    transform: scale(0.75);
  }

  .stack-layer {
    width: 260px;
  }
}
