/* ==========================================================================
   ATOWER LISBON — LUXURY RESIDENCES — PREMIUM CSS
   ========================================================================== */

/* 1. CSS CUSTOM PROPERTIES
   ========================================================================== */
:root {
  --color-primary: #FFFFFF;
  --color-secondary: #F7F4EE;
  --color-accent: #C7A66B;
  --color-accent-light: #E8D5A3;
  --color-dark: #121212;
  --color-dark-alt: #0A0A0A;
  --color-text: #1A1A1A;
  --color-text-light: #666666;
  --color-white: #FFFFFF;

  --gradient-gold: linear-gradient(135deg, #C7A66B 0%, #E8D5A3 50%, #C7A66B 100%);
  --gradient-hero: linear-gradient(180deg, rgba(18,18,18,0.3) 0%, rgba(18,18,18,0.7) 100%);

  --font-heading: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;

  --container-width: 1400px;
  --container-padding: 2rem;
  --section-padding: 140px;

  --transition-fast: 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-normal: 0.6s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-slow: 1.2s cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 25px 60px rgba(0, 0, 0, 0.12);
  --shadow-gold: 0 10px 30px rgba(199, 166, 107, 0.25);
}

/* 2. RESET & BASE
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-primary);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul, ol { list-style: none; }

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

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

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* 3. TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.15;
  color: var(--color-text);
}

h1 {
  font-size: clamp(3rem, 6vw, 5.5rem);
  letter-spacing: 0.04em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: 0.03em;
}

h3 { font-size: 1.6rem; }

p {
  margin-bottom: 1.5rem;
  color: var(--color-text-light);
  line-height: 1.85;
}

.text-white { color: var(--color-white) !important; }

.gold-text { color: var(--color-accent) !important; }

.section-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.35em;
  color: var(--color-accent);
  margin-bottom: 1.8rem;
  font-weight: 500;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 40px;
  height: 1px;
  background-color: var(--color-accent);
  margin-right: 15px;
  vertical-align: middle;
}

.section-title {
  margin-bottom: 1.5rem;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 5rem;
}

.section-header .section-label {
  display: flex;
  align-items: center;
  justify-content: center;
}

.section-header .section-label::after {
  content: '';
  display: inline-block;
  width: 40px;
  height: 1px;
  background-color: var(--color-accent);
  margin-left: 15px;
}

.section-header.center,
.center { text-align: center; }

.section-desc {
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* 4. BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.1rem 2.8rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
  border: none;
  position: relative;
  overflow: hidden;
  z-index: 1;
  cursor: pointer;
}

.btn-gold {
  background: var(--gradient-gold);
  color: var(--color-white);
  border: 1px solid transparent;
}

.btn-gold::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-dark);
  z-index: -1;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

.btn-gold:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

.btn-primary {
  background: var(--gradient-gold);
  color: var(--color-white);
  border: 1px solid transparent;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-dark);
  z-index: -1;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

.btn-primary:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.6);
}

.btn-outline::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-white);
  z-index: -1;
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

.btn-outline:hover {
  color: var(--color-dark);
  border-color: var(--color-white);
}

.btn-outline:hover::before {
  transform: scaleY(1);
  transform-origin: top;
}

.btn-block {
  width: 100%;
}

/* 5. ANIMATIONS & REVEAL SYSTEM
   ========================================================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

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

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

@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

/* Reveal system */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  will-change: transform, opacity;
  transition: opacity 0.9s cubic-bezier(0.215, 0.61, 0.355, 1),
              transform 0.9s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

/* Stagger delays for cards */
.highlight-card.reveal:nth-child(1) { transition-delay: 0s; }
.highlight-card.reveal:nth-child(2) { transition-delay: 0.1s; }
.highlight-card.reveal:nth-child(3) { transition-delay: 0.2s; }
.highlight-card.reveal:nth-child(4) { transition-delay: 0.3s; }
.highlight-card.reveal:nth-child(5) { transition-delay: 0.4s; }
.highlight-card.reveal:nth-child(6) { transition-delay: 0.5s; }
.highlight-card.reveal:nth-child(7) { transition-delay: 0.6s; }
.highlight-card.reveal:nth-child(8) { transition-delay: 0.7s; }

.loc-card.reveal:nth-child(1) { transition-delay: 0s; }
.loc-card.reveal:nth-child(2) { transition-delay: 0.08s; }
.loc-card.reveal:nth-child(3) { transition-delay: 0.16s; }
.loc-card.reveal:nth-child(4) { transition-delay: 0.24s; }
.loc-card.reveal:nth-child(5) { transition-delay: 0.32s; }
.loc-card.reveal:nth-child(6) { transition-delay: 0.4s; }

.inv-stat.reveal:nth-child(1) { transition-delay: 0s; }
.inv-stat.reveal:nth-child(2) { transition-delay: 0.15s; }
.inv-stat.reveal:nth-child(3) { transition-delay: 0.3s; }
.inv-stat.reveal:nth-child(4) { transition-delay: 0.45s; }

/* 6. NAVIGATION — .nav-header
   ========================================================================== */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 0;
  z-index: 1000;
  transition: all 0.5s ease;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 4px 30px rgba(0,0,0,0.04);
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  letter-spacing: 0.15em;
  color: var(--color-white);
  transition: color 0.4s ease;
  font-weight: 500;
}

.nav-header.scrolled .logo {
  color: var(--color-dark);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.85);
  position: relative;
  transition: color 0.3s ease;
  font-weight: 400;
}

.nav-header.scrolled .nav-links a {
  color: var(--color-text);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

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

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-white);
}

.nav-header.scrolled .nav-links a:hover,
.nav-header.scrolled .nav-links a.active {
  color: var(--color-accent);
}

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

.cta-btn {
  padding: 0.75rem 1.8rem !important;
  font-size: 0.7rem !important;
}

/* Mobile toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 18px;
  z-index: 1001;
  cursor: pointer;
}

.mobile-toggle .bar {
  display: block;
  width: 100%;
  height: 1.5px;
  background-color: var(--color-white);
  transition: all 0.4s ease;
}

.nav-header.scrolled .mobile-toggle .bar {
  background-color: var(--color-dark);
}

.mobile-toggle.active .bar:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-toggle.active .bar:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active .bar:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(18, 18, 18, 0.97);
  backdrop-filter: blur(20px);
  z-index: 999;
  align-items: center;
  justify-content: center;
}

.mobile-menu.active {
  display: flex;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.mobile-nav-links a {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-white);
  letter-spacing: 0.1em;
  transition: color 0.3s;
}

.mobile-nav-links a:hover {
  color: var(--color-accent);
}

.mobile-cta {
  margin-top: 1.5rem;
  font-size: 0.85rem !important;
}

/* 7. HERO — .section-hero
   ========================================================================== */
.section-hero {
  position: relative;
  height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-dark);
}

.hero-bg-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.dark-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 900px;
  padding: 0 2rem;
}

.hero-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  color: var(--color-accent);
  margin-bottom: 2.5rem;
}

.hero-title {
  color: var(--color-white);
  margin-bottom: 2rem;
  text-shadow: 0 4px 30px rgba(0,0,0,0.25);
}

.hero-desc {
  color: rgba(255,255,255,0.8);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 3.5rem;
  line-height: 1.7;
}

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

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: rgba(255,255,255,0.7);
  transition: opacity 0.3s;
  animation: fadeIn 1s ease 2s both;
}

.scroll-indicator:hover { color: var(--color-white); }

.scroll-text {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  margin-bottom: 12px;
  font-weight: 400;
}

.scroll-indicator svg {
  animation: scrollBounce 2s ease-in-out infinite;
}

/* 8. VISION — .section-vision
   ========================================================================== */
.section-vision {
  padding: var(--section-padding) 0;
  background-color: var(--color-primary);
}

.vision-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.vision-image-col {
  position: relative;
  overflow: hidden;
}

.vision-img {
  width: 100%;
  height: 650px;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.vision-image-col:hover .vision-img {
  transform: scale(1.03);
}

.vision-content-col .section-title {
  margin-bottom: 2rem;
}

.vision-text p {
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 1.5rem;
}

.vision-stats {
  display: flex;
  gap: 3rem;
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(0,0,0,0.08);
}

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

.stat-val {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--color-dark);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-light);
}

/* 9. HIGHLIGHTS — .section-highlights
   ========================================================================== */
.section-highlights {
  padding: var(--section-padding) 0;
  background-color: var(--color-secondary);
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.highlight-card {
  background: var(--color-white);
  padding: 2.8rem 2rem;
  text-align: center;
  transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  border-top: 2px solid transparent;
  position: relative;
}

.highlight-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-hover);
  border-top-color: var(--color-accent);
}

.highlight-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1.5rem;
  color: var(--color-accent);
  transition: transform 0.4s ease;
}

.highlight-card:hover .highlight-icon {
  transform: scale(1.15);
}

.highlight-title {
  font-size: 1.25rem;
  margin-bottom: 0.8rem;
  font-weight: 500;
}

.highlight-desc {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

/* 10. LIFESTYLE — .section-lifestyle
   ========================================================================== */
.section-lifestyle {
  padding: var(--section-padding) 0;
  background-color: var(--color-primary);
}

.lifestyle-list {
  margin-top: 2rem;
}

.lifestyle-item {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
  align-items: center;
  margin-bottom: 0;
}

.lifestyle-item:nth-child(even) {
  direction: rtl;
}

.lifestyle-item:nth-child(even) > * {
  direction: ltr;
}

.lifestyle-img-wrap {
  position: relative;
  overflow: hidden;
  height: 70vh;
  min-height: 500px;
}

.lifestyle-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.lifestyle-item:hover .lifestyle-img-wrap img {
  transform: scale(1.04);
}

.lifestyle-content {
  padding: 4rem 5rem;
}

.lifestyle-title {
  font-size: 2rem;
  margin-bottom: 1.2rem;
  color: var(--color-dark);
}

.lifestyle-desc {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* 11. LOCATION — .section-location
   ========================================================================== */
.section-location {
  padding: var(--section-padding) 0;
  background-color: var(--color-secondary);
}

.location-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 5rem;
}

.location-desc {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text-light);
}

.location-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.loc-card {
  background: var(--color-white);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.loc-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-gold);
  transform: scaleX(0);
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.loc-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.loc-card:hover::after {
  transform: scaleX(1);
}

.loc-icon {
  width: 36px;
  height: 36px;
  color: var(--color-accent);
  margin: 0 auto 1.2rem;
}

.loc-title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.loc-desc {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.loc-time {
  display: inline-block;
  background: var(--gradient-gold);
  color: var(--color-white);
  padding: 0.35rem 1.2rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
}

/* 12. RESIDENCES — .section-residences
   ========================================================================== */
.section-residences {
  padding: var(--section-padding) 0;
  background-color: var(--color-primary);
}

.residences-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.residence-card {
  position: relative;
  cursor: pointer;
  transition: transform 0.5s ease;
}

.residence-card:hover {
  transform: translateY(-8px);
}

.residence-img-box {
  position: relative;
  overflow: hidden;
  height: 450px;
}

.residence-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.residence-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,0.5) 100%);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.residence-card:hover .residence-img-box img {
  transform: scale(1.06);
}

.residence-card:hover .residence-overlay {
  opacity: 1;
}

.residence-info {
  padding: 1.8rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.residence-title {
  font-size: 1.6rem;
  margin-bottom: 0.4rem;
  font-weight: 500;
}

.residence-size {
  display: block;
  font-size: 0.85rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
  font-weight: 500;
}

.residence-features {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 1.2rem;
}

.residence-link {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text);
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}

.residence-link::after {
  content: ' →';
  transition: margin-left 0.3s;
}

.residence-link:hover {
  color: var(--color-accent);
}

.residence-link:hover::after {
  margin-left: 5px;
}

/* 13. GALLERY — .section-gallery
   ========================================================================== */
.section-gallery {
  padding: var(--section-padding) 0;
  background-color: var(--color-primary);
}

.gallery-filters {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.7rem 1.8rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-light);
  border: 1px solid rgba(0,0,0,0.12);
  background: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-body);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-dark);
  color: var(--color-white);
  border-color: var(--color-dark);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 300px;
  gap: 0.8rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: opacity 0.4s, transform 0.4s;
}

.gallery-item.large {
  grid-column: span 2;
  grid-row: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.25, 1, 0.5, 1);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(18,18,18,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.gallery-overlay span {
  font-family: var(--font-body);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-white);
  transform: translateY(15px);
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.07);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-item:hover .gallery-overlay span {
  transform: translateY(0);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox-content img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 25px;
  right: 35px;
  color: var(--color-white);
  font-size: 2.5rem;
  cursor: pointer;
  z-index: 2001;
  background: none;
  border: none;
  transition: color 0.3s;
  line-height: 1;
}

.lightbox-close:hover { color: var(--color-accent); }

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-white);
  font-size: 2rem;
  cursor: pointer;
  z-index: 2001;
  background: none;
  border: none;
  padding: 1rem;
  transition: color 0.3s;
}

.lightbox-prev { left: 25px; }
.lightbox-next { right: 25px; }

.lightbox-prev:hover,
.lightbox-next:hover { color: var(--color-accent); }

/* 14. INVESTMENT — .section-investment
   ========================================================================== */
.section-investment {
  padding: var(--section-padding) 0;
  background-color: var(--color-dark);
  color: var(--color-white);
  position: relative;
}

.investment-content {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 5rem;
}

.investment-desc {
  color: rgba(255,255,255,0.65);
  font-size: 1.05rem;
  line-height: 1.85;
}

.investment-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  margin-bottom: 4rem;
}

.inv-stat {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border: 1px solid rgba(255,255,255,0.08);
  transition: all 0.4s ease;
}

.inv-stat:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 40px rgba(199, 166, 107, 0.1);
}

.inv-num {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 1rem;
}

.inv-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.6);
}

.investment-features {
  max-width: 600px;
  margin: 0 auto;
}

.investment-features li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
}

.investment-features li svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* 15. TESTIMONIALS — .section-testimonials
   ========================================================================== */
.section-testimonials {
  padding: var(--section-padding) 0;
  background-color: var(--color-secondary);
}

.carousel-wrapper {
  max-width: 850px;
  margin: 0 auto;
  position: relative;
}

.carousel-track {
  text-align: center;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.testimonial-slide {
  display: none;
  animation: fadeIn 0.7s ease;
  width: 100%;
  position: absolute;
}

.testimonial-slide.active {
  display: block;
  position: relative;
}

.quote {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.45;
  font-style: italic;
  color: var(--color-dark);
  margin-bottom: 2.5rem;
  position: relative;
}

.quote::before {
  content: '"';
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-heading);
  font-size: 5rem;
  color: var(--color-accent);
  opacity: 0.25;
  line-height: 1;
}

.author {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
  color: var(--color-text);
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-top: 3rem;
}

.carousel-btn {
  color: var(--color-text-light);
  font-size: 1.2rem;
  padding: 0.5rem;
  cursor: pointer;
  transition: color 0.3s;
  background: none;
  border: none;
}

.carousel-btn:hover { color: var(--color-accent); }

.carousel-dots {
  display: flex;
  gap: 0.8rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(0,0,0,0.15);
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active {
  background: var(--color-accent);
  transform: scale(1.3);
}

/* 16. CONTACT — .section-contact
   ========================================================================== */
.section-contact {
  position: relative;
  padding: var(--section-padding) 0;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.contact-bg-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

.contact-overlay {
  position: absolute;
  inset: 0;
  background: rgba(18,18,18,0.82);
}

.contact-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.contact-info .section-title {
  color: var(--color-white);
}

.contact-desc {
  color: rgba(255,255,255,0.65);
  font-size: 1.05rem;
  line-height: 1.8;
}

.inquiry-form {
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 3.5rem;
}

.form-group {
  margin-bottom: 1.8rem;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 0.6rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-white);
  transition: border-color 0.3s;
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.3);
}

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

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23C7A66B' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
  cursor: pointer;
}

.form-group select option {
  background: var(--color-dark);
  color: var(--color-white);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.inquiry-form .btn-gold {
  margin-top: 0.5rem;
}

.privacy-note {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  margin-top: 1.2rem;
  margin-bottom: 0;
}

.form-success-msg {
  margin-top: 1.5rem;
  padding: 1.2rem;
  background: rgba(199,166,107,0.15);
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  text-align: center;
  font-size: 0.9rem;
}

/* 17. CINEMATIC CLOSING — .section-cinematic
   ========================================================================== */
.section-cinematic {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--color-dark);
}

.cinematic-bg-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.section-cinematic .dark-overlay {
  z-index: 2;
}

.cinematic-content {
  position: relative;
  z-index: 3;
  max-width: 900px;
  padding: 0 2rem;
}

.cinematic-content .section-label {
  color: var(--color-accent);
}

.cinematic-content .section-label::before {
  background-color: var(--color-accent);
}

.cinematic-title {
  color: var(--color-white);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.cinematic-desc {
  color: rgba(255,255,255,0.75);
  font-size: 1.15rem;
  max-width: 550px;
  margin: 0 auto 3rem;
}

/* 18. FOOTER — .site-footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-dark-alt);
  color: var(--color-white);
  padding: 6rem 0 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  letter-spacing: 0.12em;
  margin-bottom: 1.5rem;
  display: block;
  color: var(--color-white);
  font-weight: 500;
}

.footer-desc {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-address {
  color: rgba(255,255,255,0.4);
  font-size: 0.85rem;
  margin-top: 1.5rem;
}

.footer-heading {
  font-family: var(--font-body);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1.8rem;
  color: var(--color-accent);
  font-weight: 500;
}

.footer-col ul li {
  margin-bottom: 0.7rem;
}

.footer-col ul li a {
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  transition: color 0.3s;
}

.footer-col ul li a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copyright {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  margin: 0;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  color: rgba(255,255,255,0.6);
  transition: all 0.3s ease;
}

.social-links a svg {
  width: 18px;
  height: 18px;
}

.social-links a:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

/* 19. RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1200px) {
  :root {
    --section-padding: 100px;
  }

  .highlights-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .vision-container {
    gap: 4rem;
  }

  .lifestyle-content {
    padding: 3rem 3.5rem;
  }
}

@media (max-width: 1024px) {
  :root {
    --section-padding: 80px;
  }

  .nav-links,
  .cta-btn {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .vision-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .vision-img {
    height: 450px;
  }

  .lifestyle-item,
  .lifestyle-item:nth-child(even) {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .lifestyle-img-wrap {
    height: 50vh;
    min-height: 350px;
  }

  .lifestyle-content {
    padding: 3rem 2rem;
  }

  .location-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .residences-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 250px;
  }

  .gallery-item.large {
    grid-column: span 2;
    grid-row: span 1;
  }

  .investment-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px;
    --container-padding: 1.5rem;
  }

  .highlights-grid {
    grid-template-columns: 1fr;
  }

  .location-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 280px;
  }

  .gallery-item.large {
    grid-column: span 1;
    grid-row: span 1;
  }

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

  .inv-num {
    font-size: 2.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-desc {
    font-size: 1rem;
  }

  .vision-stats {
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
  }

  .inquiry-form {
    padding: 2.5rem 1.8rem;
  }

  .lifestyle-img-wrap {
    height: 40vh;
    min-height: 280px;
  }

  .residence-img-box {
    height: 320px;
  }

  .carousel-track {
    min-height: 320px;
  }

  .cinematic-title {
    font-size: clamp(2rem, 5vw, 3rem);
  }
}

@media (max-width: 480px) {
  :root {
    --section-padding: 50px;
    --container-padding: 1.2rem;
  }

  .hero-label {
    font-size: 0.7rem;
    letter-spacing: 0.25em;
  }

  .section-label {
    font-size: 0.7rem;
  }

  .btn {
    padding: 0.9rem 2rem;
    font-size: 0.72rem;
  }

  .scroll-indicator {
    bottom: 25px;
  }
}