/* ==========================================================================
   ARKAN ARCHITECTS — LUXURY LIGHT COMPONENT STYLES
   Header, Logos, Clocks, Hero Carousel, Material Sandbox, Estimator, Lightbox
   ========================================================================== */

/* --------------------------------------------------------------------------
   Header & Live Clocks
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(250, 250, 247, 0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background-color var(--duration-fast) var(--ease-architectural), 
              border-color var(--duration-fast) var(--ease-architectural), 
              box-shadow var(--duration-fast) var(--ease-architectural);
}

.site-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid rgba(158, 123, 79, 0.25);
  box-shadow: 0 10px 30px rgba(17, 19, 23, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: var(--space-md);
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  transition: opacity var(--duration-fast);
}

.brand-logo-wrap:hover {
  opacity: 0.85;
}

.brand-logo-img {
  height: 34px;
  width: auto;
  object-fit: contain;
  display: block;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  text-transform: uppercase;
}

.brand-sub {
  font-family: var(--font-body);
  font-size: var(--text-mono);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Live Studio Clocks Ticker in Header */
.header-clocks {
  display: none;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  padding: 0.35rem 1.25rem;
  background: rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-subtle);
}

@media (min-width: 1080px) {
  .header-clocks {
    display: flex;
  }
}

.clock-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.clock-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
  box-shadow: 0 0 6px var(--color-accent);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 0.4; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); }
}

.clock-city {
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.clock-time {
  color: var(--color-text-primary);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.main-nav {
  display: none;
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2.25rem);
}

@media (min-width: 860px) {
  .main-nav {
    display: flex;
  }
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  position: relative;
  padding: 0.5rem 0;
  letter-spacing: 0.01em;
  transition: color var(--duration-fast) var(--ease-architectural);
}

.nav-link:hover {
  color: var(--color-text-primary);
}

.nav-link.active {
  color: var(--color-text-primary);
  font-weight: 700;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 1px;
}

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

@media (min-width: 860px) {
  .nav-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    cursor: pointer;
  }
}

.nav-cta-btn .cta-pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
  box-shadow: 0 0 6px var(--color-accent);
  animation: pulseDot 2s infinite ease-in-out;
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  padding: 10px 8px;
  gap: 5px;
  background: transparent;
  cursor: pointer;
  z-index: 120;
}

@media (min-width: 860px) {
  .mobile-nav-toggle {
    display: none;
  }
}

.mobile-nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: transform var(--duration-fast) var(--ease-architectural), opacity var(--duration-fast);
}

.mobile-nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.mobile-nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-bg);
  padding: calc(var(--header-height) + 2rem) 2rem 3rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--duration-normal) var(--ease-architectural), opacity var(--duration-normal), visibility var(--duration-normal);
  z-index: 90;
}

.mobile-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  display: inline-block;
}

.mobile-nav-link.active {
  color: var(--color-accent);
}

.mobile-drawer-footer {
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Buttons & Interactive Elements
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-subtle);
  transition: all var(--duration-fast) var(--ease-architectural);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background-color: var(--color-text-primary);
  color: #FFFFFF;
  border: 1px solid var(--color-text-primary);
  box-shadow: 0 4px 14px rgba(17, 19, 23, 0.15);
}

.btn-primary:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 6px 20px var(--color-accent-glow);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background-color: var(--color-surface);
  border-color: var(--color-text-primary);
  color: var(--color-text-primary);
}

.btn-accent {
  background-color: var(--color-accent);
  color: #FFFFFF;
  border: 1px solid var(--color-accent);
}

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

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: 0.8125rem;
}

.link-subtle {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1.5px solid var(--color-accent);
  padding-bottom: 2px;
}

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

/* --------------------------------------------------------------------------
   CINEMATIC FULLSCREEN HERO CAROUSEL
   -------------------------------------------------------------------------- */
.hero-carousel-wrap {
  position: relative;
  width: 100%;
  height: clamp(560px, 86vh, 920px);
  min-height: 560px;
  overflow: hidden;
  background-color: #0E1013;
}

.carousel-slide-item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-cinematic) var(--ease-architectural), visibility var(--duration-cinematic);
}

.carousel-slide-item.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.carousel-slide-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  transition: transform 7s cubic-bezier(0.1, 1, 0.1, 1);
  filter: brightness(0.88) contrast(1.02);
}

.carousel-slide-item.is-active .carousel-slide-img {
  transform: scale(1);
}

.carousel-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg, 
    rgba(17, 19, 23, 0.25) 0%, 
    rgba(17, 19, 23, 0.1) 40%, 
    rgba(17, 19, 23, 0.65) 80%,
    rgba(17, 19, 23, 0.9) 100%
  );
  z-index: 3;
}

/* Hero Content Layer */
.hero-content-layer {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding-bottom: clamp(2rem, 5vw, 4rem);
  z-index: 5;
}

.hero-monograph-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--color-border);
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  border-radius: var(--radius-card);
  max-width: 760px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  border-left: 4px solid var(--color-accent);
}

.hero-tag-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: var(--space-xs);
  flex-wrap: wrap;
}

.hero-project-name {
  font-family: var(--font-heading);
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
  letter-spacing: -0.025em;
}

.hero-project-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-md);
  max-width: 58ch;
}

/* Hero Carousel Navigation Tabs */
.hero-tabs-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--space-md);
}

@media (max-width: 768px) {
  .hero-tabs-bar {
    display: none;
  }
}

.hero-tab-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-subtle);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-architectural);
  text-align: left;
}

.hero-tab-item:hover {
  background: rgba(255, 255, 255, 0.25);
}

.hero-tab-item.is-active {
  background: #FFFFFF;
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.tab-progress-bar {
  width: 100%;
  height: 2px;
  background-color: rgba(0, 0, 0, 0.1);
  overflow: hidden;
  margin-bottom: 2px;
}

.tab-progress-fill {
  height: 100%;
  width: 0%;
  background-color: var(--color-accent);
}

.hero-tab-item.is-active .tab-progress-fill {
  animation: heroTimer 6s linear infinite;
}

@keyframes heroTimer {
  from { width: 0%; }
  to { width: 100%; }
}

.tab-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-accent);
  font-weight: 600;
}

.tab-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero-tab-item:not(.is-active) .tab-title {
  color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   PROJECT CARDS (Luxury Light Monograph)
   -------------------------------------------------------------------------- */
.project-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  position: relative;
  transition: all var(--duration-normal) var(--ease-architectural);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.project-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

.project-thumbnail-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
  background-color: var(--color-surface-sunken);
}

.project-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-architectural);
}

.project-card:hover .project-thumbnail {
  transform: scale(1.04);
}

.project-card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-primary);
  font-weight: 600;
  border-radius: var(--radius-tag);
  z-index: 3;
}

.project-meta-wrap {
  display: flex;
  flex-direction: column;
  padding: var(--space-md);
  gap: 0.45rem;
  background: var(--color-surface);
}

.project-header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-xs);
}

.project-card-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.project-card-year {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  color: var(--color-accent);
  font-weight: 600;
}

.project-card-details {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   DYNAMIC METRIC COUNTERS
   -------------------------------------------------------------------------- */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 860px) {
  .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
  }
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-subtle);
  border-left: 3px solid var(--color-accent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
}

.metric-value {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 3.8vw, 3.5rem);
  font-weight: 800;
  color: var(--color-text-primary);
  line-height: 1;
}

.metric-label {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-primary);
}

.metric-sub {
  font-size: var(--text-meta);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   INTERACTIVE MATERIALITY & TECTONIC SANDBOX
   -------------------------------------------------------------------------- */
.material-sandbox-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
  margin-top: var(--space-xl);
}

@media (min-width: 900px) {
  .material-sandbox-grid {
    grid-template-columns: 1fr 1.2fr;
  }
}

.material-selector-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.material-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-subtle);
  text-align: left;
  transition: all var(--duration-fast) var(--ease-architectural);
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.material-btn:hover {
  border-color: var(--color-accent);
  background: var(--color-surface-hover);
}

.material-btn.is-active {
  background: var(--color-surface-sunken);
  border-color: var(--color-accent);
  border-left: 4px solid var(--color-accent);
}

.material-btn-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.material-btn-geo {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  color: var(--color-accent);
  font-weight: 500;
}

.material-preview-card {
  position: relative;
  width: 100%;
  height: 480px;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}

.material-preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity var(--duration-normal) var(--ease-architectural);
}

.material-preview-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.75rem;
  background: linear-gradient(180deg, transparent 0%, rgba(17, 19, 23, 0.92) 100%);
  color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   INTERACTIVE COMMISSION & SCOPE ESTIMATOR
   -------------------------------------------------------------------------- */
.estimator-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: clamp(1.5rem, 4vw, 3rem);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.04);
  margin-top: var(--space-xl);
}

.estimator-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 900px) {
  .estimator-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.estimator-control-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.range-slider-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.range-slider {
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: var(--radius-tag);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.estimator-result-card {
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-subtle);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-md);
}

.phase-timeline-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.phase-timeline-item {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

/* --------------------------------------------------------------------------
   LIGHTBOX MODAL (Full Screen Monograph)
   -------------------------------------------------------------------------- */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(17, 19, 23, 0.96);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-architectural), visibility var(--duration-normal);
}

.lightbox-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem clamp(1.5rem, 4vw, 3rem);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.lightbox-counter {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 500;
}

.lightbox-close-btn {
  width: 48px;
  height: 48px;
  color: #FFFFFF;
  font-size: 1.75rem;
  cursor: pointer;
  border-radius: var(--radius-subtle);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast);
}

.lightbox-close-btn:hover {
  background: var(--color-accent);
  color: #FFFFFF;
}

.lightbox-body {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 clamp(1rem, 5vw, 4rem);
  overflow: hidden;
}

.lightbox-image {
  max-width: 90vw;
  max-height: 78vh;
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8);
  border-radius: var(--radius-subtle);
  transition: opacity 220ms ease;
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  cursor: pointer;
  z-index: 1010;
  transition: all var(--duration-fast);
}

.lightbox-nav-btn:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.lightbox-prev { left: clamp(1rem, 3vw, 2.5rem); }
.lightbox-next { right: clamp(1rem, 3vw, 2.5rem); }

.lightbox-caption-bar {
  padding: 1.25rem 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* --------------------------------------------------------------------------
   FOOTER (Deep Basalt Charcoal Monolith)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-dark-bg);
  color: #FAFAF7;
  padding-top: clamp(4.5rem, 7vw, 7rem);
  padding-bottom: clamp(2.5rem, 4vw, 4rem);
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  position: relative;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

@media (min-width: 860px) {
  .footer-top-grid {
    grid-template-columns: 1.6fr 1fr 1fr;
  }
}

.footer-logo-img {
  height: 36px;
  width: auto;
  margin-bottom: var(--space-sm);
}

.footer-brand-title {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
}

.footer-statement {
  font-size: var(--text-sm);
  color: #A0A5B1;
  line-height: 1.65;
  max-width: 44ch;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: var(--text-sm);
  color: #A0A5B1;
}

.footer-link:hover {
  color: #FFFFFF;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--text-meta);
  color: #7B828F;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* ==========================================================================
   RIGHT-SIDE FLOATING QUICK-QUOTE TAB & INTERACTIVE SLIDE-OUT DRAWER
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Floating Right-Side Trigger Tab
   -------------------------------------------------------------------------- */
.floating-quote-tab {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 95;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background-color: var(--color-dark-bg);
  color: #FAFAF7;
  padding: 0.85rem 1rem 0.85rem 0.95rem;
  border-radius: 8px 0 0 8px;
  border: 1px solid rgba(158, 123, 79, 0.45);
  border-right: none;
  box-shadow: -4px 12px 32px rgba(17, 19, 23, 0.35);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-architectural);
  text-decoration: none;
}

.floating-quote-tab:hover {
  background-color: #1A1D23;
  padding-left: 1.35rem;
  border-color: var(--color-accent);
  box-shadow: -8px 16px 40px rgba(158, 123, 79, 0.45);
  transform: translateY(-50%) translateX(-4px);
}

.floating-quote-tab:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.tab-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: rgba(158, 123, 79, 0.2);
  border: 1px solid rgba(158, 123, 79, 0.5);
  border-radius: 4px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.tab-icon-wrap svg {
  width: 14px;
  height: 14px;
}

.tab-text {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #FAFAF7;
  white-space: nowrap;
}

.tab-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent);
  animation: pulseDot 2s infinite ease-in-out;
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .floating-quote-tab {
    top: auto;
    bottom: 1.5rem;
    right: 1.25rem;
    transform: none;
    border-radius: var(--radius-tag);
    border: 1px solid rgba(158, 123, 79, 0.6);
    padding: 0.75rem 1.15rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  }
  .floating-quote-tab:hover {
    transform: translateY(-2px);
    padding-left: 1.15rem;
  }
}

/* --------------------------------------------------------------------------
   2. Slide-Out Architectural Quote Drawer
   -------------------------------------------------------------------------- */
.quote-drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(17, 19, 23, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 300ms var(--ease-architectural), visibility 300ms;
}

.quote-drawer-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.quote-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(620px, 100vw);
  height: 100vh;
  background-color: var(--color-bg);
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.3);
  z-index: 999;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 400ms cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  border-left: 1px solid var(--color-border);
}

.quote-drawer.is-open {
  transform: translateX(0);
}

/* Drawer Header */
.quote-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.35rem 1.75rem;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.quote-drawer-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.2rem;
}

.quote-drawer-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin: 0;
}

.quote-drawer-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-architectural);
}

.quote-drawer-close:hover {
  background: var(--color-text-primary);
  color: #FFFFFF;
  border-color: var(--color-text-primary);
  transform: rotate(90deg);
}

/* Drawer Progress Bar */
.quote-drawer-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--color-surface-sunken);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.quote-step-tab {
  padding: 0.65rem 0.5rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--duration-fast);
}

.quote-step-tab.is-active {
  color: var(--color-text-primary);
  font-weight: 700;
  border-bottom-color: var(--color-accent);
  background: var(--color-surface);
}

.quote-step-tab.is-completed {
  color: var(--color-accent);
}

/* Drawer Body */
.quote-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.quote-step-section {
  display: none;
  animation: fadeInStep 250ms ease forwards;
}

.quote-step-section.is-active {
  display: block;
}

@keyframes fadeInStep {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.quote-section-heading {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}

.quote-section-sub {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.25rem;
}

/* Typology Selection Grid */
.typology-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

@media (max-width: 480px) {
  .typology-grid {
    grid-template-columns: 1fr;
  }
}

.typology-option-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-subtle);
  background: var(--color-surface);
  padding: 1rem;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-architectural);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-align: left;
  position: relative;
}

.typology-option-card:hover {
  border-color: var(--color-accent);
  background: var(--color-surface-hover);
  transform: translateY(-2px);
}

.typology-option-card.is-selected {
  border-color: var(--color-accent);
  background: rgba(158, 123, 79, 0.08);
  box-shadow: 0 4px 14px var(--color-accent-glow);
}

.typology-option-card.is-selected::after {
  content: '✓';
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  width: 18px;
  height: 18px;
  background: var(--color-accent);
  color: #FFFFFF;
  border-radius: 50%;
  font-size: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.typology-card-icon {
  font-size: 1.25rem;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.typology-card-title {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.typology-card-desc {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

/* Area Slider in Drawer */
.drawer-slider-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-subtle);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.drawer-slider-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.drawer-slider-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.drawer-slider-val {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* Scope of Services Checkbox Grid */
.scope-checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.scope-checkbox-card {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-subtle);
  padding: 0.85rem 1rem;
  cursor: pointer;
  transition: all var(--duration-fast);
}

.scope-checkbox-card:hover {
  border-color: var(--color-accent);
  background: var(--color-surface-hover);
}

.scope-checkbox-card.is-checked {
  border-color: var(--color-accent);
  background: rgba(158, 123, 79, 0.05);
}

.scope-checkbox-card input[type="checkbox"] {
  accent-color: var(--color-accent);
  width: 18px;
  height: 18px;
  margin-top: 2px;
  cursor: pointer;
}

.scope-card-content {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.scope-card-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.scope-card-sub {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* Live Dynamic Fee & Timeline Projection Card */
.quote-projection-box {
  background: var(--color-dark-bg);
  color: #FFFFFF;
  border-radius: var(--radius-card);
  padding: 1.5rem;
  border: 1px solid rgba(158, 123, 79, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  margin-top: 0.5rem;
}

.projection-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 0.75rem;
}

.projection-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.currency-toggle-wrap {
  display: flex;
  gap: 0.25rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px;
  border-radius: 4px;
}

.currency-btn {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  color: #A0A5B1;
  background: transparent;
  cursor: pointer;
  transition: all var(--duration-fast);
}

.currency-btn.is-active {
  background: var(--color-accent);
  color: #FFFFFF;
}

.fee-range-display {
  margin-bottom: 1rem;
}

.fee-range-number {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.02em;
}

.fee-range-note {
  font-size: 0.75rem;
  color: #A0A5B1;
  margin-top: 0.15rem;
}

.phase-metrics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.75rem;
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.metric-label {
  color: #A0A5B1;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.metric-val {
  color: #FAFAF7;
  font-weight: 700;
}

/* Client Contact Inputs */
.drawer-form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

@media (min-width: 480px) {
  .drawer-form-grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
  }
}

.drawer-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.drawer-field label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.drawer-input,
.drawer-select,
.drawer-textarea {
  width: 100%;
  padding: 0.75rem 0.95rem;
  font-size: var(--text-sm);
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-subtle);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.drawer-input:focus,
.drawer-select:focus,
.drawer-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
  outline: none;
}

.drawer-textarea {
  resize: vertical;
  min-height: 80px;
}

/* Drawer Footer */
.quote-drawer-footer {
  padding: 1.15rem 1.75rem;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Success View inside Drawer */
.quote-success-view {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2.5rem 1rem;
  gap: 1.25rem;
  animation: fadeInStep 300ms ease forwards;
}

.quote-success-view.is-visible {
  display: flex;
}

.success-badge-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(46, 133, 75, 0.12);
  border: 2px solid var(--color-success);
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.quote-ref-badge {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-accent);
  background: rgba(158, 123, 79, 0.1);
  border: 1px dashed var(--color-accent);
  padding: 0.4rem 1.25rem;
  border-radius: 4px;
  letter-spacing: 0.08em;
}

.whatsapp-direct-btn {
  background-color: #25D366;
  color: #FFFFFF;
  border: 1px solid #25D366;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.whatsapp-direct-btn:hover {
  background-color: #1EBE5D;
  border-color: #1EBE5D;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
  transform: translateY(-1px);
}