/* ========================================
   Long Bay Zen Resort - Styles
   ======================================== */

:root {
  --ocean-deep: #0a2030;
  --ocean-mid: #0d3b4d;
  --ocean-teal: #1a6b7a;
  --turquoise: #3db8c1;
  --turquoise-light: #6dd5d8;
  --sand: #f5f0e8;
  --sand-light: #faf7f2;
  --gold: #c8a96e;
  --gold-light: #e0c98e;
  --white: #ffffff;
  --text-dark: #1a1a1a;
  --text-light: rgba(255,255,255,0.85);
  --text-muted: rgba(255,255,255,0.5);

  --font-display: 'Playfair Display', Georgia, serif;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-script: 'Dancing Script', cursive;
  --font-sans: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;

  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--ocean-deep);
  color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* ========================================
   Preloader
   ======================================== */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--ocean-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s var(--ease-smooth), visibility 0.8s;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

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

.preloader-logo {
  font-family: var(--font-sans);
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: 0.5em;
  color: var(--white);
}

.preloader-sub {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  color: var(--text-muted);
  margin-top: 4px;
}

.preloader-bar {
  width: 200px;
  height: 2px;
  background: rgba(255,255,255,0.1);
  margin: 2rem auto;
  border-radius: 1px;
  overflow: hidden;
}

.preloader-progress {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--turquoise), var(--gold));
  border-radius: 1px;
  transition: width 0.3s var(--ease-smooth);
}

.preloader-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* ========================================
   Sound Toggle
   ======================================== */
.sound-toggle {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9000;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s var(--ease-smooth);
}

.sound-toggle:hover {
  background: rgba(255,255,255,0.2);
  transform: scale(1.1);
}

.sound-toggle svg {
  width: 20px;
  height: 20px;
  color: var(--white);
}

.sound-toggle .sound-off { display: none; }
.sound-toggle.muted .sound-on { display: none; }
.sound-toggle.muted .sound-off { display: block; }

/* ========================================
   Navigation
   ======================================== */
#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 8000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2.5rem;
  transition: all 0.4s var(--ease-smooth);
}

#main-nav.scrolled {
  padding: 1rem 2.5rem;
  background: rgba(10, 32, 48, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.menu-toggle {
  width: 28px;
  height: 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--white);
  transition: all 0.3s var(--ease-smooth);
  transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.nav-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.logo .logo-main {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.4em;
}

.logo .logo-sub {
  font-family: var(--font-sans);
  font-size: 0.55rem;
  letter-spacing: 0.35em;
  color: var(--text-muted);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-lang {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  transition: color 0.3s;
}

.nav-lang:hover {
  color: var(--white);
}

.nav-cta {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: 0.5rem 1.2rem;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 2px;
  transition: all 0.3s var(--ease-smooth);
}

.nav-cta:hover {
  background: var(--white);
  color: var(--ocean-deep);
}

/* ========================================
   Side Menu
   ======================================== */
.side-menu {
  position: fixed;
  inset: 0;
  z-index: 7500;
  pointer-events: none;
}

.side-menu.active {
  pointer-events: auto;
}

.side-menu-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 32, 48, 0.6);
  opacity: 0;
  transition: opacity 0.4s var(--ease-smooth);
}

.side-menu.active .side-menu-overlay {
  opacity: 1;
}

.side-menu-panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 360px;
  height: 100%;
  background: rgba(10, 32, 48, 0.95);
  backdrop-filter: blur(30px);
  padding: 8rem 3rem 3rem;
  transform: translateX(-100%);
  transition: transform 0.5s var(--ease-out-expo);
}

.side-menu.active .side-menu-panel {
  transform: translateX(0);
}

.side-menu-links {
  list-style: none;
}

.side-menu-links li {
  margin-bottom: 1.5rem;
}

.side-menu-links a {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  transition: all 0.3s var(--ease-smooth);
  position: relative;
  padding-left: 0;
}

.side-menu-links a:hover,
.side-menu-links a.active {
  color: var(--white);
  padding-left: 1rem;
}

.side-menu-links a.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  background: var(--turquoise);
  border-radius: 50%;
}

/* ========================================
   Hero Section
   ======================================== */
.hero-section {
  position: relative;
  height: 300vh;
  overflow: hidden;
}

.hero-flyover {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.flyover-layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: opacity 1.2s var(--ease-smooth);
}

.flyover-ocean {
  background: 
    radial-gradient(ellipse at 30% 80%, rgba(0,180,220,0.4) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 20%, rgba(0,120,180,0.3) 0%, transparent 40%),
    radial-gradient(ellipse at 50% 50%, rgba(20,80,120,0.5) 0%, transparent 60%),
    linear-gradient(170deg, #063545 0%, #0a6a7e 25%, #12a0a8 45%, #1bc4b8 60%, #8de4d8 75%, #f0f5e8 90%);
  background-image: url('https://images.unsplash.com/photo-1527004013197-933c4bb611b6?auto=format&fit=crop&w=1920&q=85'),
    radial-gradient(ellipse at 30% 80%, rgba(0,180,220,0.4) 0%, transparent 50%),
    linear-gradient(170deg, #063545 0%, #0a6a7e 25%, #12a0a8 45%, #1bc4b8 60%, #8de4d8 75%, #f0f5e8 90%);
  background-size: cover;
  background-position: center;
  opacity: 1;
}

.flyover-reef {
  background:
    radial-gradient(ellipse at 40% 60%, rgba(0,100,150,0.6) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 40%, rgba(0,150,130,0.4) 0%, transparent 50%),
    linear-gradient(180deg, #042a3a 0%, #0a4a5a 30%, #0d6070 50%, #1a8088 70%, #0a3a4a 100%);
  background-image: url('https://images.unsplash.com/photo-1546026423-cc4642628d2b?auto=format&fit=crop&w=1920&q=85'),
    radial-gradient(ellipse at 40% 60%, rgba(0,100,150,0.6) 0%, transparent 50%),
    linear-gradient(180deg, #042a3a 0%, #0a4a5a 30%, #0d6070 50%, #1a8088 70%, #0a3a4a 100%);
  background-size: cover;
  background-position: center;
  opacity: 0;
}

.flyover-beach {
  background:
    radial-gradient(ellipse at 50% 70%, rgba(255,200,120,0.3) 0%, transparent 50%),
    radial-gradient(ellipse at 30% 30%, rgba(0,180,200,0.3) 0%, transparent 50%),
    linear-gradient(180deg, #1a90a0 0%, #30b8c0 20%, #60d0d0 40%, #d4c8a0 55%, #f0e8d0 65%, #e8d0a0 80%, #c08040 100%);
  background-image: url('https://images.unsplash.com/photo-1507525428034-b723cf961d3e?auto=format&fit=crop&w=1920&q=85'),
    linear-gradient(180deg, #1a90a0 0%, #30b8c0 20%, #60d0d0 40%, #d4c8a0 55%, #f0e8d0 65%, #e8d0a0 80%, #c08040 100%);
  background-size: cover;
  background-position: center;
  opacity: 0;
}

.flyover-resort {
  background:
    radial-gradient(ellipse at 50% 50%, rgba(0,100,120,0.3) 0%, transparent 50%),
    linear-gradient(180deg, #0a5060 0%, #148070 20%, #20a080 35%, #40c090 45%, #e0e8d0 55%, #c0d0b0 70%, #1a6070 90%);
  background-image: url('https://images.unsplash.com/photo-1573843981267-be1999ff37cd?auto=format&fit=crop&w=1920&q=85'),
    linear-gradient(180deg, #0a5060 0%, #148070 20%, #20a080 35%, #40c090 45%, #e0e8d0 55%, #c0d0b0 70%, #1a6070 90%);
  background-size: cover;
  background-position: center;
  opacity: 0;
}

.flyover-color-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, 
    rgba(10,32,48,0.5) 0%, 
    rgba(10,32,48,0.15) 40%, 
    rgba(10,32,48,0.4) 100%);
  transition: background 1s var(--ease-smooth);
}

.flyover-color-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(10,32,48,0.4) 100%);
  pointer-events: none;
}

.flyover-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-flyover::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  opacity: 0.4;
  pointer-events: none;
  mix-blend-mode: overlay;
}

.hero-content {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 10;
  pointer-events: none;
  transition: opacity 0.8s var(--ease-smooth);
  text-shadow: 0 2px 30px rgba(0,0,0,0.3), 0 0 80px rgba(0,0,0,0.15);
}

.hero-badge {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s var(--ease-out-expo) 0.5s forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-title .title-line {
  display: block;
  font-size: clamp(3rem, 8vw, 6rem);
  opacity: 0;
  transform: translateY(40px);
}

.hero-title .title-line:nth-child(1) {
  animation: fadeInUp 1.2s var(--ease-out-expo) 0.8s forwards;
}

.hero-title .title-line:nth-child(2) {
  font-style: italic;
  animation: fadeInUp 1.2s var(--ease-out-expo) 1s forwards;
}

.hero-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 300;
  font-style: italic;
  color: var(--text-light);
  letter-spacing: 0.15em;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s var(--ease-out-expo) 1.3s forwards;
}

.hero-tagline {
  margin-top: 1rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s var(--ease-out-expo) 1.5s forwards;
}

.tagline-zh {
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.2em;
}

.hero-scroll-hint {
  position: fixed;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 10;
  opacity: 0;
  animation: fadeInUp 1s var(--ease-out-expo) 2.5s forwards;
  transition: opacity 0.5s;
}

.hero-scroll-hint span {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
}

.hero-scroll-hint .scroll-hint-sub {
  margin-top: 0.5rem;
  font-size: 0.65rem;
  color: var(--gold);
}

.scroll-arrow {
  width: 32px;
  height: 32px;
  margin: 0.5rem auto;
  animation: bounceDown 2s infinite;
}

.scroll-arrow svg {
  width: 100%;
  height: 100%;
  color: var(--turquoise-light);
}

.hero-progress {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  padding: 0 2rem 1rem;
  opacity: 0;
  transition: opacity 0.5s;
}

.hero-progress.visible {
  opacity: 1;
}

.progress-track {
  height: 2px;
  background: rgba(255,255,255,0.1);
  border-radius: 1px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--turquoise), var(--gold-light));
  border-radius: 1px;
  transition: width 0.1s linear;
}

.progress-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* ========================================
   Nature Section
   ======================================== */
.nature-section {
  position: relative;
  padding: 6rem 2rem;
  background: linear-gradient(180deg, var(--ocean-deep) 0%, #0e3340 50%, var(--ocean-deep) 100%);
  overflow: hidden;
}

.nature-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(61,184,193,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(200,169,110,0.06) 0%, transparent 50%);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 3rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-transform: lowercase;
}

.section-tag-right {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.section-title.italic {
  font-style: italic;
}

.nature-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  align-items: start;
}

.nature-card {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.nature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.nature-card[data-animate="slide-right"].visible {
  animation: slideInRight 0.8s var(--ease-out-expo) forwards;
}

.nature-card[data-animate="slide-left"].visible {
  animation: slideInLeft 0.8s var(--ease-out-expo) forwards;
}

.nature-card[data-animate="slide-up"].visible {
  animation: slideInUp 0.8s var(--ease-out-expo) forwards;
}

.nature-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform 0.6s var(--ease-smooth);
}

.nature-card:hover img {
  transform: scale(1.05);
}

.nature-card-label {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--white);
  background: rgba(10,32,48,0.6);
  backdrop-filter: blur(8px);
  padding: 0.4rem 0.8rem;
  border-radius: 2px;
}

.nature-reef {
  grid-row: span 1;
}

.reef-interactive {
  position: relative;
  cursor: pointer;
}

.reef-interactive img {
  height: 320px;
}

.reef-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem 1.5rem 1.5rem;
  background: linear-gradient(transparent, rgba(10,32,48,0.9));
}

.reef-overlay p {
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--text-light);
}

.reef-hotspot {
  position: absolute;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  transition: transform 0.3s var(--ease-smooth);
}

.reef-hotspot:hover {
  transform: scale(1.2);
}

.hotspot-pulse {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 1.5px solid rgba(61,184,193,0.5);
  animation: pulse 2s infinite;
}

.hotspot-icon {
  font-size: 1.5rem;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
}

.nature-info-text {
  max-width: 800px;
  margin: 3rem auto 0;
  text-align: center;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s var(--ease-out-expo);
}

.nature-info-text.visible {
  opacity: 1;
  transform: translateY(0);
}

.nature-info-text p {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-light);
  letter-spacing: 0.02em;
}

/* ========================================
   Reef Modal
   ======================================== */
.reef-modal {
  position: fixed;
  inset: 0;
  z-index: 9500;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s var(--ease-smooth);
}

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

.reef-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 32, 48, 0.85);
  backdrop-filter: blur(20px);
}

.reef-modal-content {
  position: relative;
  max-width: 700px;
  width: 90%;
  background: linear-gradient(135deg, rgba(13,59,77,0.95), rgba(10,32,48,0.95));
  border: 1px solid rgba(61,184,193,0.2);
  border-radius: 8px;
  overflow: hidden;
  transform: scale(0.8) translateY(40px);
  transition: transform 0.5s var(--ease-out-expo);
}

.reef-modal.active .reef-modal-content {
  transform: scale(1) translateY(0);
}

.reef-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.5rem;
  color: var(--white);
  z-index: 10;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  transition: background 0.3s;
}

.reef-modal-close:hover {
  background: rgba(255,255,255,0.2);
}

.reef-modal-3d {
  height: 280px;
  overflow: hidden;
  position: relative;
}

.reef-modal-image {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 8s linear;
}

.reef-modal.active .reef-modal-image {
  transform: scale(1.15);
}

.reef-modal-info {
  padding: 2rem;
}

.reef-modal-badge {
  display: inline-block;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--turquoise);
  border: 1px solid var(--turquoise);
  padding: 0.3rem 0.8rem;
  border-radius: 2px;
  margin-bottom: 1rem;
}

.reef-modal-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 400;
  margin-bottom: 1rem;
}

.reef-modal-desc {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.reef-modal-stats {
  display: flex;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.reef-modal-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--turquoise);
}

.stat-label {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* ========================================
   Beach Section
   ======================================== */
.beach-section {
  position: relative;
  padding: 6rem 2rem;
  background: var(--sand-light);
  color: var(--text-dark);
}

.beach-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s var(--ease-out-expo);
}

.beach-header.visible {
  opacity: 1;
  transform: translateY(0);
}

.beach-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 400;
  color: var(--ocean-deep);
  margin-bottom: 1.5rem;
}

.beach-desc {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(10,32,48,0.7);
}

.beach-time-switcher {
  max-width: 1100px;
  margin: 0 auto;
}

.beach-image-container {
  position: relative;
  width: 100%;
  height: 500px;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.beach-image {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s var(--ease-smooth);
}

.beach-image.active {
  opacity: 1;
}

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

.beach-time-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.dawn-overlay {
  background: linear-gradient(135deg, rgba(255,180,130,0.25) 0%, rgba(255,220,180,0.1) 100%);
}

.noon-overlay {
  background: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, rgba(0,0,0,0.05) 100%);
}

.sunset-overlay {
  background: linear-gradient(135deg, rgba(255,120,50,0.3) 0%, rgba(200,80,30,0.15) 100%);
}

.night-overlay {
  background: linear-gradient(180deg, rgba(10,20,40,0.5) 0%, rgba(15,30,50,0.6) 100%);
}

.celestial-body {
  position: absolute;
  top: 15%;
  right: 20%;
  z-index: 5;
  transition: all 1.2s var(--ease-smooth);
}

.sun, .moon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  transition: opacity 0.6s, transform 0.6s;
}

.sun {
  background: radial-gradient(circle, #fff8e1 0%, #ffcc02 40%, rgba(255,200,0,0) 70%);
  box-shadow: 0 0 60px rgba(255,200,0,0.4);
}

.moon {
  position: absolute;
  top: 0;
  left: 0;
  background: radial-gradient(circle at 35% 35%, #f0f0f0 0%, #c0c0c0 50%, rgba(200,200,200,0) 70%);
  box-shadow: 0 0 40px rgba(200,220,255,0.3);
  opacity: 0;
}

.celestial-body.night .sun { opacity: 0; transform: translateY(20px); }
.celestial-body.night .moon { opacity: 1; }
.celestial-body.dawn { top: 30%; right: 15%; }
.celestial-body.noon { top: 8%; right: 45%; }
.celestial-body.sunset { top: 40%; right: 10%; }
.celestial-body.night { top: 10%; right: 25%; }

.time-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.time-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.8rem 1.5rem;
  border-radius: 6px;
  border: 1px solid rgba(10,32,48,0.1);
  background: var(--white);
  transition: all 0.3s var(--ease-smooth);
  min-width: 120px;
}

.time-btn:hover {
  border-color: var(--ocean-teal);
  box-shadow: 0 4px 20px rgba(26,107,122,0.1);
}

.time-btn.active {
  background: var(--ocean-deep);
  color: var(--white);
  border-color: var(--ocean-deep);
  box-shadow: 0 4px 24px rgba(10,32,48,0.3);
}

.time-icon {
  font-size: 1.3rem;
}

.time-label {
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.time-hour {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  color: rgba(10,32,48,0.4);
}

.time-btn.active .time-hour {
  color: var(--text-muted);
}

.time-desc-box {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
  min-height: 60px;
}

.time-desc-box p {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(10,32,48,0.6);
  font-style: italic;
  transition: opacity 0.5s, transform 0.5s var(--ease-smooth);
}

.beach-gallery {
  display: grid;
  grid-template-columns: 1fr 1.5fr 1fr;
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s var(--ease-out-expo);
}

.beach-gallery.visible {
  opacity: 1;
  transform: translateY(0);
}

.beach-gallery-item {
  border-radius: 4px;
  overflow: hidden;
  height: 250px;
}

.beach-gallery-item.large {
  height: 250px;
}

.beach-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-smooth);
}

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

/* ========================================
   Paradise Section
   ======================================== */
.paradise-section {
  position: relative;
  background: var(--ocean-deep);
  overflow: hidden;
}

.paradise-visual {
  position: relative;
  height: 70vh;
  min-height: 500px;
}

.paradise-image-wrap {
  position: relative;
  width: 100%;
  height: 100%;
}

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

.paradise-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, 
    transparent 0%, 
    transparent 40%, 
    rgba(10,32,48,0.6) 70%, 
    var(--ocean-deep) 100%);
}

.paradise-content {
  position: relative;
  text-align: center;
  padding: 0 2rem 4rem;
  margin-top: -6rem;
  z-index: 5;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s var(--ease-out-expo);
}

.paradise-content.visible {
  opacity: 1;
  transform: translateY(0);
}

.paradise-title {
  font-family: var(--font-script);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 400;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.paradise-desc {
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto;
}

.design-philosophy {
  padding: 4rem 2rem 6rem;
  position: relative;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.philosophy-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 6px;
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s var(--ease-out-expo);
}

.philosophy-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.philosophy-card:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(61,184,193,0.2);
  transform: translateY(-4px);
}

.philosophy-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.5rem;
  color: var(--turquoise);
}

.philosophy-icon svg {
  width: 100%;
  height: 100%;
}

.philosophy-card h4 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 1rem;
}

.philosophy-card p {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-light);
}

.zen-lines {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  opacity: 0.15;
  pointer-events: none;
}

.zen-lines svg {
  width: 100%;
  height: 100%;
}

.zen-line {
  fill: none;
  stroke: var(--turquoise);
  stroke-width: 1;
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  transition: stroke-dashoffset 3s var(--ease-smooth);
}

.zen-lines.animated .zen-line {
  stroke-dashoffset: 0;
}

.zen-line:nth-child(2) {
  stroke: var(--gold);
  transition-delay: 0.5s;
}

.zen-line:nth-child(3) {
  stroke: rgba(255,255,255,0.3);
  transition-delay: 1s;
}

/* ========================================
   Seaview Section
   ======================================== */
.seaview-section {
  position: relative;
  height: 60vh;
  min-height: 400px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.seaview-bg {
  position: absolute;
  inset: 0;
}

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

.seaview-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,32,48,0.3) 0%, rgba(10,32,48,0.7) 100%);
}

.seaview-typography {
  position: relative;
  z-index: 5;
  width: 100%;
  display: flex;
  align-items: baseline;
  justify-content: center;
  padding: 0 2rem 3rem;
  gap: 2rem;
  overflow: hidden;
}

.seaview-text, .mountain-text {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 8rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--white);
  opacity: 0;
  transition: all 1s var(--ease-out-expo);
}

.seaview-text.visible {
  opacity: 1;
  transform: translateX(0);
}

.mountain-text.visible {
  opacity: 1;
  transform: translateX(0);
}

.seaview-text {
  transform: translateX(-80px);
}

.mountain-text {
  transform: translateX(80px);
}

.seaview-divider {
  width: 60px;
  height: 2px;
  background: var(--gold);
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 1s var(--ease-smooth) 0.5s;
}

.seaview-divider.visible {
  opacity: 1;
}

/* ========================================
   Partners Section
   ======================================== */
.partners-section {
  padding: 4rem 2rem;
  background: var(--ocean-deep);
  text-align: center;
}

.partners-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  color: var(--text-muted);
  margin-bottom: 3rem;
}

.partners-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4rem;
  flex-wrap: wrap;
  max-width: 900px;
  margin: 0 auto;
}

.partner-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.5;
  transition: opacity 0.3s;
}

.partner-item:hover {
  opacity: 1;
}

.partner-logo-text {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.partner-logo-text.small {
  font-size: 1rem;
}

.partner-logo-icon svg {
  width: 24px;
  height: 24px;
  margin-bottom: 0.3rem;
}

.partner-name {
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* ========================================
   Zen Footer Section
   ======================================== */
.zen-footer-section {
  padding: 6rem 2rem;
  text-align: center;
  background: var(--ocean-deep);
  border-top: 1px solid rgba(255,255,255,0.05);
}

.zen-footer-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 400;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
}

.zen-footer-desc {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2rem;
  font-style: italic;
}

.btn-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.3);
  transition: all 0.3s var(--ease-smooth);
}

.btn-circle:hover {
  background: var(--white);
  border-color: var(--white);
}

.btn-circle svg {
  width: 20px;
  height: 20px;
  transition: color 0.3s;
}

.btn-circle:hover svg {
  color: var(--ocean-deep);
}

/* ========================================
   Main Footer
   ======================================== */
.main-footer {
  background: #061520;
  padding: 3rem 2rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.footer-brand {
  text-align: center;
  margin-bottom: 3rem;
}

.footer-brand .logo-main {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.4em;
  display: block;
}

.footer-brand .logo-sub {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--text-muted);
}

.footer-columns {
  display: flex;
  justify-content: center;
  gap: 6rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.footer-col p {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--text-light);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-bottom p {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(-60px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(60px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInUp {
  from { opacity: 0; transform: translateY(60px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(2.5); opacity: 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
  .nature-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .nature-villa {
    grid-column: span 2;
  }
  
  .nature-card img, .reef-interactive img {
    height: 240px;
  }
  
  .philosophy-grid {
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  #main-nav {
    padding: 1rem 1.5rem;
  }
  
  .nav-cta {
    display: none;
  }
  
  .side-menu-panel {
    width: 100%;
  }
  
  .nature-grid {
    grid-template-columns: 1fr;
  }
  
  .nature-villa {
    grid-column: span 1;
  }
  
  .beach-image-container {
    height: 350px;
  }
  
  .time-controls {
    gap: 0.5rem;
  }
  
  .time-btn {
    padding: 0.6rem 1rem;
    min-width: 80px;
  }
  
  .beach-gallery {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }
  
  .beach-gallery-item, .beach-gallery-item.large {
    height: 200px;
  }
  
  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .seaview-typography {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 2rem;
  }
  
  .seaview-text, .mountain-text {
    font-size: clamp(2.5rem, 12vw, 5rem);
  }
  
  .partners-grid {
    gap: 2rem;
  }
  
  .footer-columns {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }
  
  .hero-progress {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-title .title-line {
    font-size: 2.5rem;
  }
  
  .section-header {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .section-tag, .section-tag-right {
    display: none;
  }
  
  .beach-image-container {
    height: 280px;
  }
  
  .time-btn {
    min-width: 70px;
    padding: 0.5rem 0.6rem;
  }
  
  .time-label {
    font-size: 0.6rem;
  }
  
  .paradise-visual {
    height: 50vh;
    min-height: 350px;
  }
}

/* ========================================
   Custom Scrollbar
   ======================================== */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--ocean-deep);
}

::-webkit-scrollbar-thumb {
  background: rgba(61,184,193,0.3);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(61,184,193,0.5);
}

/* ========================================
   Selection
   ======================================== */
::selection {
  background: rgba(61,184,193,0.3);
  color: var(--white);
}