/* =========================================
   ULTRA-LUXURY REDESIGN - SPARV STUDIO
========================================= */

:root {
  /* Color Palette */
  --obsidian: #0f0f11;
  --obsidian-light: #1a1a1d;
  --ivory: #f9f8f6;
  --champagne: #e6dfd1;
  --brushed-gold: #c1a173;
  --stone-beige: #d6d0c4;
  --graphite: #2a2a2a;
  --white: #ffffff;
}

body {
  font-family: "Inter", sans-serif;
  background-color: var(--obsidian);
  color: var(--ivory);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
.font-playfair {
  font-family: 'Playfair Display', serif;
}

.font-inter {
  font-family: 'Inter', sans-serif;
}

.text-obsidian {
  color: var(--obsidian);
}

.text-ivory {
  color: var(--ivory);
}

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

.text-champagne {
  color: var(--champagne);
}

.text-stone {
  color: var(--stone-beige);
}

.bg-obsidian {
  background-color: var(--obsidian);
}

.bg-obsidian-light {
  background-color: var(--obsidian-light);
}

.bg-ivory {
  background-color: var(--ivory);
}

.bg-stone {
  background-color: var(--stone-beige);
}

.letter-spacing-sm {
  letter-spacing: 1px;
}

.letter-spacing-md {
  letter-spacing: 2px;
}

.letter-spacing-lg {
  letter-spacing: 4px;
}

.fs-xs {
  font-size: 0.75rem;
}

.fs-xxl {
  font-size: 5rem;
  line-height: 1;
}

.fs-giant {
  font-size: 10vw;
  line-height: 0.8;
  letter-spacing: -2px;
}

@media (min-width: 992px) {
  .fs-xxl {
    font-size: 8rem;
  }
}

.fw-300 {
  font-weight: 300;
}

.fw-400 {
  font-weight: 400;
}

.fw-500 {
  font-weight: 500;
}

.fw-600 {
  font-weight: 600;
}

.z-index-1 {
  z-index: 1;
}

.z-index-2 {
  z-index: 2;
}

.z-index-3 {
  z-index: 3;
}

.z-index-max {
  z-index: 9999;
}

/* Cinematic Transitions & Reveals */
.reveal-up {
  opacity: 0.8;
  transform: translateY(60px);
  transition: all 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

.reveal-up.active {
  opacity: 1;
  transform: translateY(50);
}

.delay-1 {
  transition-delay: 0.2s;
}

.delay-2 {
  transition-delay: 0.4s;
}

.delay-3 {
  transition-delay: 0.6s;
}

/* Image Treatments */
.img-cinematic {
  width: 100%;
  height: 100vh;
  object-fit: cover;
}

.img-architectural {
  width: 100%;
  object-fit: cover;
  filter: contrast(1.05) saturate(0.9);
}

.img-zoom-hover {
  overflow: hidden;
}

.img-zoom-hover img {
  transition: transform 1.5s cubic-bezier(0.25, 1, 0.5, 1);
}

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

/* =========================================
   NEW HEADER & FULL SCREEN MENU
========================================= */
.brand-logo {
  font-size: 1.25rem;
  letter-spacing: 4px;
}

.header-link {
  font-size: 0.75rem;
  font-family: 'Inter', sans-serif;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ivory);
  text-decoration: none;
  transition: color 0.3s ease;
  padding: 0.5rem;
}

.header-link:hover {
  color: var(--brushed-gold);
}

.main-header {
  transition: all 0.5s ease;
  background: transparent;
}

.main-header.scrolled {
  background: rgba(15, 15, 17, 0.9);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.menu-trigger {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-trigger:hover .menu-text {
  color: var(--brushed-gold);
}

.full-screen-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(15, 15, 17, 0.98);
  backdrop-filter: blur(20px);
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.full-screen-menu.open {
  opacity: 1;
  visibility: visible;
}

.menu-link {
  font-size: 3rem;
  color: var(--ivory);
  text-decoration: none;
  transition: all 0.4s ease;
  display: inline-block;
  opacity: 0;
  transform: translateY(30px);
}

.full-screen-menu.open .menu-link {
  opacity: 1;
  transform: translateY(0);
}

.menu-link:hover {
  color: var(--brushed-gold);
  transform: translateX(20px) !important;
}

.menu-number {
  font-size: 1rem;
  color: var(--stone-beige);
  margin-right: 2rem;
  font-family: 'Inter', sans-serif;
  letter-spacing: 2px;
}

/* =========================================
   LUXURY INTRO LOADER
========================================= */
.intro-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--obsidian);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: opacity 1s cubic-bezier(0.25, 1, 0.5, 1), visibility 1s;
}

.intro-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.intro-logo {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  letter-spacing: 8px;
  color: var(--ivory);
  opacity: 0;
  animation: fadeIn 1s forwards 0.3s;
}

.intro-line {
  width: 0;
  height: 1px;
  background-color: var(--brushed-gold);
  margin-top: 1rem;
  animation: growLine 1s cubic-bezier(0.25, 1, 0.5, 1) forwards 0.6s;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

@keyframes growLine {
  to {
    width: 100px;
  }
}

/* =========================================
   CINEMATIC SLIDING HERO
========================================= */
.cinematic-hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background-color: var(--obsidian);
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.5s cubic-bezier(0.25, 1, 0.5, 1), visibility 1.5s;
  z-index: 1;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.hero-slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transform: scale(1.1);
  will-change: transform;
  transition: transform 8s linear;
}

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

.hero-slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(15, 15, 17, 0.8) 0%, rgba(15, 15, 17, 0.3) 50%, rgba(15, 15, 17, 0.1) 100%);
  z-index: 1;
}

.hero-slide-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 10%;
  max-width: 1200px;
}

/* Hero Headline Typography Overrides */
.hero-slide-content h1.fs-xxl {
  font-size: 3.5rem;
}

@media (min-width: 992px) {
  .hero-slide-content h1.fs-xxl {
    font-size: 5rem;
  }
}

/* Staggered text animations in slide */
.hero-slide .slide-text {
  opacity: 0;
  transform: translateY(30px);
  transition: all 1s cubic-bezier(0.25, 1, 0.5, 1);
}

.hero-slide.active .slide-text {
  opacity: 1;
  transform: translateY(0);
}

.hero-slide.active .slide-text.t1 {
  transition-delay: 0.5s;
}

.hero-slide.active .slide-text.t2 {
  transition-delay: 0.7s;
}

.hero-slide.active .slide-text.t3 {
  transition-delay: 0.9s;
}

.hero-slide.active .slide-text.t4 {
  transition-delay: 1.1s;
}

/* =========================================
   INTERACTIVE PROGRESS NAVIGATION
========================================= */
.progress-nav-container {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 3;
  padding: 0 5%;
  background: linear-gradient(to top, rgba(15, 15, 17, 0.9), transparent);
}

.progress-nav {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.progress-item {
  flex-grow: 1;
  text-align: center;
  padding: 1.5rem 0;
  cursor: pointer;
  position: relative;
}

.progress-item .nav-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.4);
  transition: color 0.3s ease;
}

.progress-item.active .nav-label,
.progress-item:hover .nav-label {
  color: var(--ivory);
}

.progress-line {
  position: absolute;
  top: -1px;
  left: 0;
  height: 2px;
  width: 0%;
  background-color: var(--brushed-gold);
}

.progress-item.active .progress-line {
  animation: progressFill 6s linear forwards;
}

@keyframes progressFill {
  from {
    width: 0%;
  }

  to {
    width: 100%;
  }
}

@media (max-width: 991px) {

  /* On mobile, condense progress nav */
  .progress-nav {
    border-top: none;
    justify-content: center;
    gap: 2rem;
    padding-bottom: 2rem;
  }

  .progress-item {
    display: none;
  }

  .mobile-slide-counter {
    display: block !important;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    letter-spacing: 4px;
    color: var(--ivory);
  }

  .hero-slide-overlay {
    background: linear-gradient(to top, rgba(15, 15, 17, 0.9) 0%, rgba(15, 15, 17, 0.5) 50%, rgba(15, 15, 17, 0.3) 100%);
  }
}

.mobile-slide-counter {
  display: none;
}

/* =========================================
   PREMIUM CTAs
========================================= */
.btn-primary-luxury {
  display: inline-flex;
  align-items: center;
  background-color: var(--ivory);
  color: var(--obsidian);
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 2px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 1rem 2rem;
  text-decoration: none;
  border-radius: 2px;
  transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  border: 1px solid var(--ivory);
}

.btn-primary-luxury .btn-arrow {
  margin-left: 0.75rem;
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.btn-primary-luxury:hover {
  background-color: var(--champagne);
  border-color: var(--champagne);
  padding: 1rem 2.25rem;
}

.btn-primary-luxury:hover .btn-arrow {
  transform: translateX(5px);
}

.btn-secondary-luxury {
  display: inline-flex;
  align-items: center;
  background-color: transparent;
  color: var(--ivory);
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 2px;
  font-weight: 500;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  padding-bottom: 0.25rem;
}

.btn-secondary-luxury:hover {
  color: var(--brushed-gold);
  border-bottom-color: var(--brushed-gold);
}

.floating-contact {
  position: absolute;
  bottom: 8rem;
  right: 3rem;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.floating-contact-text {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.25rem;
}

@media (max-width: 991px) {
  .floating-contact {
    display: none;
  }
}

.mobile-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--obsidian);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 9999;
  padding: 1rem;
  text-align: center;
  display: none;
}

@media (max-width: 991px) {
  .mobile-sticky-cta {
    display: block;
  }
}


/* Layout Hacks (Negative Space & Asymmetry) */
.negative-margin-top {
  margin-top: -100px;
  position: relative;
  z-index: 2;
}

/* Hotspots & Inside Residence */
.hotspot-container {
  position: relative;
  display: inline-block;
  width: 100%;
}

.hotspot {
  position: absolute;
  width: 30px;
  height: 30px;
  background-color: var(--brushed-gold);
  color: var(--obsidian);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 0 0 0 rgba(193, 161, 115, 0.7);
  animation: pulse 2s infinite;
}

.hotspot:hover,
.hotspot.active {
  transform: scale(1.2);
  animation: none;
}

.hotspot-card {
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background-color: var(--obsidian-light);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--ivory);
  width: 300px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 10;
  text-align: left;
}

.hotspot.active .hotspot-card {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.hotspot-card img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

/* Vertical Timeline */
.timeline {
  position: relative;
  padding-left: 30px;
  border-left: 1px solid rgba(193, 161, 115, 0.3);
}

.timeline-step {
  position: relative;
  margin-bottom: 3rem;
}

.timeline-step::before {
  content: '';
  position: absolute;
  left: -35px;
  top: 5px;
  width: 10px;
  height: 10px;
  background-color: var(--brushed-gold);
  border-radius: 50%;
}

/* Services (Interactive Background Swapper) */
.services-section {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.services-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
}

.services-bg.active {
  opacity: 0.4;
}

.service-item {
  font-size: 3.5rem;
  color: rgba(249, 248, 246, 0.3);
  text-decoration: none;
  display: block;
  transition: all 0.4s ease;
  border-bottom: 1px solid rgba(249, 248, 246, 0.1);
  padding: 1rem 0;
  cursor: pointer;
}

@media (max-width: 768px) {
  .service-item {
    font-size: 2.5rem;
  }
}

.service-item:hover,
.service-item.active {
  color: var(--ivory);
  padding-left: 2rem;
}

/* Projects Masonry */
.project-card {
  position: relative;
  display: block;
  overflow: hidden;
  margin-bottom: 2rem;
  cursor: pointer;
}

.project-card img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

.project-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 2rem;
  background: linear-gradient(to top, rgba(15, 15, 17, 0.9), transparent);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s ease;
}

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

.project-card:hover .project-info {
  opacity: 1;
  transform: translateY(0);
}

/* Gallery Masonry & Filters */
.filter-btn {
  background: transparent;
  border: none;
  color: var(--stone-beige);
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-btn.active,
.filter-btn:hover {
  color: var(--brushed-gold);
}

.masonry-grid {
  column-count: 1;
  column-gap: 1.5rem;
}

@media (min-width: 768px) {
  .masonry-grid {
    column-count: 2;
  }
}

@media (min-width: 1200px) {
  .masonry-grid {
    column-count: 3;
  }
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 1.5rem;
  position: relative;
  cursor: zoom-in;
}

.masonry-item img {
  width: 100%;
  display: block;
  transition: opacity 0.3s ease;
}

.masonry-item:hover img {
  opacity: 0.8;
}

/* Lightbox */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(15, 15, 17, 0.98);
  backdrop-filter: blur(10px);
  z-index: 10000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-height: 90vh;
  max-width: 90vw;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  color: var(--ivory);
  font-size: 2rem;
  cursor: pointer;
  background: none;
  border: none;
  transition: color 0.3s ease;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  color: var(--brushed-gold);
}

.lightbox-close {
  top: 20px;
  right: 40px;
}

.lightbox-prev {
  left: 40px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
}

/* FAQ Accordion */
.faq-item {
  border-bottom: 1px solid rgba(193, 161, 115, 0.2);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--brushed-gold);
  padding: 2rem 0;
  display: flex;
  align-items: center;
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.3s ease;
}

.faq-question:hover,
.faq-item.active .faq-question {
  color: var(--brushed-gold);
}

.faq-number {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  color: var(--brushed-gold);
  margin-right: 1.5rem;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  color: var(--stone-beige);
  font-weight: 300;
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding-bottom: 2rem;
}

/* Statistics */
.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 5rem;
  color: var(--ivory);
  line-height: 1;
}

/* Misc Utilities */
.vh-100 {
  height: 100vh;
}

.min-vh-100 {
  min-height: 100vh;
}

.py-8 {
  padding-top: 8rem;
  padding-bottom: 8rem;
}

.py-10 {
  padding-top: 10rem;
  padding-bottom: 10rem;
}

/* Buttons */
.btn-outline-gold {
  border: 1px solid var(--brushed-gold);
  color: var(--ivory);
  transition: all 0.3s ease;
}

.btn-outline-gold:hover {
  background-color: var(--brushed-gold);
  color: var(--obsidian);
}

.btn-gold {
  background-color: var(--brushed-gold);
  border: 1px solid var(--brushed-gold);
  color: var(--obsidian);
  transition: all 0.3s ease;
}

.btn-gold:hover {
  background-color: transparent;
  color: var(--brushed-gold);
}