@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;1,400&family=Inter:wght@300;400;500;600&display=swap');

:root {
  /* Premium Palette */
  --bg-primary: #fcfbf9;
  --bg-secondary: #f6f3ed;
  --bg-dark: #121211;
  --text-primary: #1c1a18;
  --text-secondary: #6e6b64;
  --text-light: #eae6df;
  --accent-gold: #c5a880;
  --accent-gold-hover: #b1936b;
  --accent-gold-dark: #8c7352;
  --border-light: #eae6df;
  --border-dark: #2a2825;
  --shadow-subtle: 0 4px 30px rgba(0, 0, 0, 0.02);
  --shadow-premium: 0 20px 50px rgba(28, 26, 24, 0.08);
  --glass-bg: rgba(252, 251, 249, 0.85);
  --glass-border: rgba(234, 230, 223, 0.7);
  
  /* Fonts */
  --font-display: 'Outfit', sans-serif;
  --font-serif: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  
  /* Layout Spacing */
  --header-height: 80px;
  --section-padding: 8rem 2rem;
  --container-width: 1280px;
  
  /* Transitions */
  --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--accent-gold);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold-dark);
}

/* Typography Elements */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

p {
  color: var(--text-secondary);
}

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

.luxury-title-italic {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent-gold-dark);
}

/* Reusable Components */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

.section {
  padding: var(--section-padding);
  position: relative;
}

.section-dark {
  background-color: var(--bg-dark);
  color: var(--text-light);
}

.section-dark p {
  color: #a5a29a;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 0;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border: 1px solid var(--text-primary);
}

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

.btn-accent {
  background-color: var(--accent-gold);
  color: var(--bg-primary);
  border: 1px solid var(--accent-gold);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--text-primary);
}

.btn-outline:hover {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background-color: transparent;
  color: var(--text-light);
  border: 1px solid var(--border-dark);
}

.btn-outline-dark:hover {
  background-color: var(--text-light);
  color: var(--bg-dark);
  border-color: var(--text-light);
}

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

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

/* Header & Nav */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 100;
  transition: var(--transition-smooth);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--accent-gold);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent-gold);
  transition: var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.whatsapp-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: #25d366;
  padding: 0.5rem 1rem;
  border-radius: 30px;
  background: rgba(37, 211, 102, 0.05);
}

.whatsapp-link:hover {
  background: rgba(37, 211, 102, 0.1);
  transform: translateY(-1px);
}

.whatsapp-link svg {
  fill: currentColor;
  width: 18px;
  height: 18px;
}

/* Page Wrapper / Routing Container */
main {
  margin-top: var(--header-height);
}

.page-view {
  display: none;
  opacity: 0;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.page-view.active {
  display: block;
  opacity: 1;
}

/* Home Hero Section */
.hero-wrapper {
  position: relative;
  height: calc(100vh - var(--header-height));
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  background-color: var(--bg-dark);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(to right, rgba(18, 18, 17, 0.85) 40%, rgba(18, 18, 17, 0.2) 100%), url('assets/hero_interior.png');
  background-size: cover;
  background-position: center;
  transition: transform 0.1s linear; /* Parallax effect script updates transform */
}

.hero-content {
  position: relative;
  z-index: 10;
  color: var(--text-light);
  max-width: 680px;
  padding: 0 1.5rem;
  animation: heroReveal 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes heroReveal {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(197, 168, 128, 0.12);
  border: 1px solid rgba(197, 168, 128, 0.3);
  padding: 0.4rem 1rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 1.5rem;
}

.hero-badge span {
  width: 6px;
  height: 6px;
  background-color: var(--accent-gold);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-gold);
}

.hero-content h1 {
  font-size: 4.2rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.hero-content h1 strong {
  font-weight: 600;
  color: var(--accent-gold);
}

.hero-content p {
  font-size: 1.15rem;
  font-weight: 300;
  margin-bottom: 2.5rem;
  color: #cbc8bf;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

/* Home Section Header */
.section-header {
  margin-bottom: 5rem;
}

.section-tag {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-gold-dark);
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: 2.8rem;
  font-weight: 300;
  color: var(--text-primary);
}

.section-dark .section-title {
  color: var(--text-light);
}

.section-title strong {
  font-weight: 600;
}

/* Services Grid & Cards */
.service-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  padding: 3.5rem 2.5rem;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-gold);
  background-color: var(--bg-primary);
  box-shadow: var(--shadow-premium);
}

.service-num {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--accent-gold);
  margin-bottom: 2rem;
  display: block;
  letter-spacing: 0.1em;
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
  color: var(--accent-gold-dark);
}

.service-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  font-weight: 500;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  flex-grow: 1;
  line-height: 1.7;
}

.service-link {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.service-link svg {
  transition: transform 0.3s ease;
  width: 16px;
  height: 16px;
}

.service-card:hover .service-link {
  color: var(--accent-gold-dark);
}

.service-card:hover .service-link svg {
  transform: translateX(5px);
}

/* Before / After Section */
.comparison-container {
  position: relative;
  width: 100%;
  height: 550px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-premium);
}

.image-before, .image-after {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.image-before img, .image-after img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-after {
  z-index: 10;
  /* JavaScript controls this clip-path or width. We'll start with 50% split */
  clip-path: inset(0 0 0 50%);
}

.slider-handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background-color: var(--accent-gold);
  z-index: 20;
  cursor: ew-resize;
  transform: translateX(-50%);
}

.slider-button {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50px;
  height: 50px;
  background-color: var(--text-primary);
  border: 2px solid var(--accent-gold);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  pointer-events: none;
  transition: background-color 0.3s ease;
}

.slider-handle:hover .slider-button,
.slider-handle:active .slider-button {
  background-color: var(--accent-gold-dark);
  color: var(--bg-primary);
}

.slider-button svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.comparison-label {
  position: absolute;
  bottom: 2rem;
  padding: 0.6rem 1.2rem;
  background: rgba(18, 18, 17, 0.8);
  backdrop-filter: blur(10px);
  color: var(--text-light);
  font-family: var(--font-display);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  z-index: 15;
  border: 1px solid rgba(234, 230, 223, 0.2);
}

.label-before {
  left: 2rem;
}

.label-after {
  right: 2rem;
  z-index: 25; /* Keep it above the clip-path of image-after */
}

/* Portfolio Filters & Grid */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
  list-style: none;
}

.filter-btn {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: none;
  border: none;
  padding: 0.5rem 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  border-bottom: 1px solid transparent;
  transition: var(--transition-fast);
}

.filter-btn.active, .filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-gold);
}

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

.portfolio-item {
  position: relative;
  overflow: hidden;
  height: 480px;
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 3rem;
  color: var(--text-light);
  transition: var(--transition-smooth);
}

.portfolio-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  transition: var(--transition-smooth);
}

.portfolio-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(18, 18, 17, 0) 40%, rgba(18, 18, 17, 0.9) 100%);
  z-index: 2;
  transition: var(--transition-smooth);
}

.portfolio-content {
  position: relative;
  z-index: 3;
  transform: translateY(20px);
  opacity: 0;
  transition: var(--transition-smooth);
}

.portfolio-item:hover .portfolio-content {
  transform: translateY(0);
  opacity: 1;
}

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

.portfolio-item:hover::before {
  background: linear-gradient(to bottom, rgba(18, 18, 17, 0.2) 10%, rgba(18, 18, 17, 0.95) 100%);
}

.portfolio-tag {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 0.75rem;
  display: block;
}

.portfolio-item h3 {
  font-size: 1.8rem;
  font-weight: 300;
  margin-bottom: 1.5rem;
}

.portfolio-link {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  border-bottom: 1px solid var(--accent-gold);
  padding-bottom: 0.2rem;
}

.portfolio-link svg {
  width: 14px;
  height: 14px;
}

/* Process Timeline */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50px;
  height: 100%;
  width: 1px;
  background-color: var(--border-light);
}

.timeline-item {
  position: relative;
  margin-bottom: 4rem;
  padding-left: 100px;
  transition: var(--transition-smooth);
}

.timeline-dot {
  position: absolute;
  left: 45px;
  top: 5px;
  width: 11px;
  height: 11px;
  background-color: var(--bg-primary);
  border: 2px solid var(--accent-gold);
  border-radius: 50%;
  z-index: 10;
  transform: translateX(-50%);
  transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-dot,
.timeline-item.active .timeline-dot {
  background-color: var(--accent-gold);
  box-shadow: 0 0 12px var(--accent-gold);
  transform: translateX(-50%) scale(1.3);
}

.timeline-step {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-gold-dark);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  display: block;
}

.timeline-item h3 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
  font-weight: 400;
}

.timeline-item p {
  max-width: 700px;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Testimonials */
.testimonials-slider {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.testimonial-slide {
  padding: 2rem 0;
}

.quote-icon {
  font-family: var(--font-serif);
  font-size: 5rem;
  line-height: 1;
  color: var(--accent-gold);
  opacity: 0.4;
  margin-bottom: 1.5rem;
  display: block;
}

.testimonial-text {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 2rem;
  font-weight: 400;
}

.testimonial-author {
  font-family: var(--font-display);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.testimonial-project {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.testimonials-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.test-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--border-light);
  cursor: pointer;
  border: none;
  transition: var(--transition-fast);
}

.test-dot.active {
  background-color: var(--accent-gold);
  transform: scale(1.2);
}

/* Native Modal Dialog Styling */
dialog {
  border: 1px solid var(--border-light);
  background-color: var(--bg-primary);
  box-shadow: var(--shadow-premium);
  max-width: 580px;
  width: 90%;
  margin: auto;
  padding: 3rem;
  border-radius: 0;
  outline: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), overlay 0.4s allow-discrete, display 0.4s allow-discrete;
}

dialog[open] {
  opacity: 1;
  transform: translateY(0);
}

/* Starting style for entry transition */
@starting-style {
  dialog[open] {
    opacity: 0;
    transform: translateY(20px);
  }
}

dialog::backdrop {
  background: rgba(18, 18, 17, 0.4);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.4s ease, overlay 0.4s allow-discrete, display 0.4s allow-discrete;
}

dialog[open]::backdrop {
  opacity: 1;
}

@starting-style {
  dialog[open]::backdrop {
    opacity: 0;
  }
}

.dialog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.dialog-title {
  font-size: 1.8rem;
  font-weight: 500;
}

.dialog-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  padding: 0.5rem;
}

.dialog-close:hover {
  color: var(--text-primary);
  transform: scale(1.1);
}

.dialog-close svg {
  width: 20px;
  height: 20px;
}

/* Premium Form Styles */
.form-group {
  margin-bottom: 1.8rem;
}

.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}

.form-control {
  width: 100%;
  padding: 0.9rem 1.2rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
  outline: none;
  border-radius: 0;
}

.form-control:focus {
  border-color: var(--accent-gold);
  background-color: var(--bg-primary);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Selection Chips (Custom Radios) */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.chip-label {
  display: block;
}

.chip-label input {
  display: none;
}

.chip-text {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--border-light);
  background-color: var(--bg-secondary);
  font-size: 0.85rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: var(--transition-fast);
}

.chip-label input:checked + .chip-text {
  border-color: var(--text-primary);
  background-color: var(--text-primary);
  color: var(--bg-primary);
}

.chip-label:hover .chip-text {
  border-color: var(--accent-gold);
}

/* Floating AI Concierge Widget */
.concierge-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 90;
}

.concierge-trigger {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--text-primary);
  border: 2px solid var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 32px rgba(28, 26, 24, 0.25);
  transition: var(--transition-smooth);
  color: var(--accent-gold);
  position: relative;
}

.concierge-trigger:hover {
  background-color: var(--accent-gold-dark);
  color: var(--bg-primary);
  transform: translateY(-3px) rotate(5deg);
}

.concierge-trigger svg {
  width: 24px;
  height: 24px;
}

/* Pulsing Badge on Trigger */
.concierge-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background-color: var(--accent-gold);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--text-primary);
  animation: pulseGold 2s infinite;
}

@keyframes pulseGold {
  0% {
    box-shadow: 0 0 0 0 rgba(197, 168, 128, 0.7);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(197, 168, 128, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(197, 168, 128, 0);
  }
}

.concierge-panel {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 380px;
  height: 520px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-premium);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  transition: var(--transition-smooth);
  z-index: 95;
}

.concierge-panel.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

.concierge-header {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.concierge-agent-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.concierge-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--accent-gold-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-primary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
}

.concierge-name h4 {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--bg-primary);
}

.concierge-status {
  font-size: 0.75rem;
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.concierge-status span {
  width: 5px;
  height: 5px;
  background-color: #25d366;
  border-radius: 50%;
  display: inline-block;
}

.concierge-close {
  background: none;
  border: none;
  color: var(--border-light);
  cursor: pointer;
  padding: 0.2rem;
  transition: var(--transition-fast);
}

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

.concierge-body {
  flex-grow: 1;
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background-color: var(--bg-secondary);
}

.chat-bubble {
  max-width: 85%;
  padding: 0.85rem 1.1rem;
  font-size: 0.9rem;
  line-height: 1.5;
}

.chat-bubble-agent {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-top-left-radius: 0;
  align-self: flex-start;
  color: var(--text-primary);
}

.chat-bubble-user {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border-top-right-radius: 0;
  align-self: flex-end;
}

.concierge-options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
  align-self: flex-start;
  width: 100%;
}

.concierge-opt-btn {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  font-family: var(--font-body);
  text-align: left;
  cursor: pointer;
  transition: var(--transition-fast);
}

.concierge-opt-btn:hover {
  border-color: var(--accent-gold);
  background-color: var(--bg-secondary);
  color: var(--accent-gold-dark);
}

.concierge-input-container {
  border-top: 1px solid var(--border-light);
  padding: 1rem;
  display: flex;
  background-color: var(--bg-primary);
}

.concierge-input {
  flex-grow: 1;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  background: none;
}

.concierge-send {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--accent-gold-dark);
  transition: var(--transition-fast);
  padding: 0.2rem;
}

.concierge-send:hover {
  color: var(--text-primary);
  transform: scale(1.1);
}

/* About Layout details */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 5rem;
  align-items: flex-start;
}

.about-intro-text {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  margin-top: 3.5rem;
  border-top: 1px solid var(--border-light);
  padding-top: 2.5rem;
}

.stat-item h3 {
  font-size: 3rem;
  font-weight: 600;
  color: var(--accent-gold-dark);
  margin-bottom: 0.25rem;
}

.stat-item p {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Footer styling */
footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 6rem 2rem 2.5rem;
  border-top: 1px solid var(--border-dark);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 4rem;
  margin-bottom: 5rem;
}

.footer-brand h2 {
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.footer-brand h2 span {
  color: var(--accent-gold);
}

.footer-brand p {
  color: #a5a29a;
  margin-bottom: 2rem;
  font-size: 0.95rem;
  line-height: 1.7;
}

.footer-links h3 {
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  color: var(--accent-gold);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.85rem;
}

.footer-links a {
  color: #a5a29a;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--accent-gold);
  padding-left: 5px;
}

.footer-contact h3 {
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  color: var(--accent-gold);
}

.footer-contact p {
  color: #a5a29a;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.footer-contact svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--accent-gold);
  stroke-width: 1.5;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.footer-socials {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-icon {
  width: 40px;
  height: 40px;
  background-color: var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  transition: var(--transition-fast);
}

.social-icon:hover {
  background-color: var(--accent-gold);
  color: var(--bg-dark);
  transform: translateY(-2px);
}

.social-icon svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.footer-bottom {
  border-top: 1px solid var(--border-dark);
  padding-top: 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: #7b7872;
}

.footer-legal {
  display: flex;
  gap: 2rem;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 5rem 1.5rem;
  }
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  .hero-content h1 {
    font-size: 2.8rem;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .portfolio-item {
    height: 380px;
  }
  .comparison-container {
    height: 400px;
  }
  .nav-menu {
    display: none; /* Add mobile navigation drawer/hamburger later */
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
  .footer-legal {
    justify-content: center;
  }
}

/* ==========================================================================
   Space Evolution Scrollytelling Section
   ========================================================================== */
.evolution-section {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-light);
  position: relative;
}

.evolution-scroll-container {
  height: 350vh; /* Gives plenty of scroll room to experience each stage */
  position: relative;
}

.evolution-sticky-wrapper {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.evolution-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 6rem;
  align-items: center;
  height: 100%;
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.evolution-narrative {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  padding-right: 2rem;
}

.evolution-toggle-container {
  display: inline-flex;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  padding: 0.25rem;
  border-radius: 30px;
  margin-bottom: 2.5rem;
  gap: 0.25rem;
  width: fit-content;
  box-shadow: var(--shadow-small);
}

.evolution-toggle-btn {
  background: transparent;
  border: none;
  padding: 0.6rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.evolution-toggle-btn:hover {
  color: var(--text-primary);
}

.evolution-toggle-btn.active {
  background: var(--bg-primary);
  color: var(--accent-gold);
  box-shadow: var(--shadow-small);
  border: 1px solid var(--border-light);
}

.evolution-narrative-group,
.evolution-image-group {
  display: none !important;
}

.evolution-narrative-group.active,
.evolution-image-group.active {
  display: block !important;
}

.evolution-image-group {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.evolution-stages {
  position: relative;
  margin-top: 1rem;
}

.evolution-stage-block {
  margin-bottom: 3.5rem;
  opacity: 0.25;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.evolution-stage-block.active {
  opacity: 1;
  transform: translateY(0);
}

.evolution-stage-block h3 {
  font-size: 1.4rem;
  font-weight: 500;
  margin: 0.5rem 0;
  color: var(--text-primary);
}

.evolution-stage-block p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.stage-number {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-gold);
  letter-spacing: 0.1em;
}

.evolution-visual-viewport {
  position: relative;
  width: 100%;
  height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.evolution-image-stack {
  position: relative;
  width: 100%;
  height: 100%;
  box-shadow: var(--shadow-premium);
  border: 1px solid var(--border-light);
  overflow: hidden;
  background-color: var(--bg-dark);
}

.evolution-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.evolution-img.active {
  opacity: 1;
  transform: scale(1);
  z-index: 2;
}

/* CSS scroll-driven timeline overrides removed in favor of the optimized JS scrollytelling engine */

/* Responsive adjustment for scrollytelling */
@media (max-width: 1024px) {
  .evolution-sticky-wrapper {
    height: auto;
    position: relative;
    padding-top: 4rem;
    padding-bottom: 4rem;
    overflow: visible;
  }
  
  .evolution-scroll-container {
    height: auto !important; /* Stack vertically on tablet/mobile */
  }
  
  .evolution-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 0 1.5rem;
  }
  
  .evolution-visual-viewport {
    height: 380px;
    order: -1; /* Display image gallery above text */
  }
  
  .evolution-narrative {
    padding-right: 0;
  }
  
  .evolution-stage-block {
    opacity: 1 !important;
    transform: none !important;
    margin-bottom: 2.5rem;
    animation: none !important;
  }
  
  .evolution-img {
    transition: opacity 0.5s ease !important;
    animation: none !important;
  }
}

/* Accessibility: Disable motion for sensitive users */
@media (prefers-reduced-motion: reduce) {
  .evolution-scroll-container {
    height: auto !important;
  }
  .evolution-sticky-wrapper {
    position: relative !important;
    height: auto !important;
    overflow: visible !important;
  }
  .evolution-image-group.active {
    display: block !important;
    position: relative !important;
    height: auto !important;
  }
  .evolution-image-group.active .evolution-img {
    position: relative !important;
    display: none !important;
    height: auto !important;
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
  .evolution-image-group.active .evolution-img:last-child {
    display: block !important;
  }
  .evolution-stage-block {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    margin-bottom: 2rem;
  }
}