/* ==========================================================================
   RSON DESIGN STUDIO — HOME PAGE (EXACT REFERENCE MOCKUP SPECIFICATION)
   ========================================================================== */

/* --------------------------------------------------------------------------
   01. HERO SECTION
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-3xl);
  background-color: var(--bg-primary);
}

.hero-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
}

.hero-title {
  margin-top: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.hero-subtitle {
  font-size: var(--text-body);
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.7;
  font-weight: 400;
  margin-bottom: var(--space-2xl);
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* Hero Showcase Slider Frame */
.hero-showcase {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10.2;
  border-radius: var(--radius-subtle);
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.08);
  background-color: #0A0A0C;
}

.hero-slides-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s var(--ease-editorial), visibility 0.6s var(--ease-editorial);
}

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

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Floating Circular Slider Navigation Arrows (< and >) */
.hero-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  transition: all var(--transition-fast);
}

.hero-nav-btn:hover {
  background: #FFFFFF;
  transform: translateY(-50%) scale(1.06);
}

.hero-nav-prev {
  left: 14px;
}

.hero-nav-next {
  right: 14px;
}

/* Hero Bottom Overlay Bar */
.hero-bottom-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.25) 60%, transparent 100%);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 5;
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.hero-pagination {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  letter-spacing: 0.12em;
}

.hero-progress-line {
  width: 48px;
  height: 1.5px;
  background: rgba(255, 255, 255, 0.35);
  position: relative;
  overflow: hidden;
}

.hero-progress-active {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  background: #FFFFFF;
}

.hero-caption-link {
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.04em;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  opacity: 0.95;
  transition: opacity var(--transition-fast);
}

.hero-caption-link:hover {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   02. METRICS / STATS BAR (MATCHING REFERENCE MOCKUP)
   -------------------------------------------------------------------------- */
.metrics-bar {
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
  padding: var(--space-xl) 0;
  background-color: var(--bg-primary);
}

.metrics-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-xl);
}

.metrics-cols {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(2rem, 4vw, 4.5rem);
}

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

.metric-number {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* Metrics Right Thumbnails & Link */
.metrics-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.metrics-thumbnails {
  display: flex;
  align-items: center;
}

.metric-thumb {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid #FFFFFF;
  margin-left: -10px;
  object-fit: cover;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.metric-thumb:first-child {
  margin-left: 0;
}

.metrics-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.metrics-link:hover {
  color: var(--bg-dark);
}

/* --------------------------------------------------------------------------
   03. 3-COLUMN PILLAR CARDS (DIRECTLY BELOW STATS AS IN REFERENCE)
   -------------------------------------------------------------------------- */
.pillar-section {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-4xl);
  background-color: var(--bg-primary);
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.pillar-card {
  position: relative;
  aspect-ratio: 16 / 11;
  border-radius: var(--radius-subtle);
  overflow: hidden;
  display: block;
  background-color: #0B0C0E;
}

.pillar-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.pillar-card:hover img {
  transform: scale(1.04);
}

.pillar-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.25) 55%, transparent 100%);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  z-index: 2;
}

.pillar-title {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 1.2;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  transition: color var(--transition-fast);
}

.pillar-title .arrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 1.1rem;
  transition: transform var(--transition-base);
}

.pillar-card:hover .pillar-title .arrow {
  transform: translateX(6px);
}

/* --------------------------------------------------------------------------
   03B. CONSTRUCTION & STRUCTURAL ENGINEERING SHOWCASE (TOP SECTION)
   -------------------------------------------------------------------------- */
.construction-showcase-section {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
  position: relative;
}

.construction-head-flex {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.construction-head-left {
  max-width: 720px;
}

.construction-filter-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-light);
}

.const-filter-btn {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.5rem 1.15rem;
  background-color: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.const-filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-primary);
  background-color: #FFFFFF;
}

.const-filter-btn.active {
  background-color: var(--bg-dark);
  border-color: var(--bg-dark);
  color: #FFFFFF;
}

/* Construction Grid Layout: Editorial 5-Card Layout */
.construction-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-lg);
}

/* Card 1 (Hero Villa Scaffolding): Spans 7 columns */
.const-card-hero {
  grid-column: span 7;
}

/* Card 2 (Glass Corridor): Spans 5 columns */
.const-card-corridor {
  grid-column: span 5;
}

/* Cards 3, 4, 5: 3 equal 4-column cards */
.const-card-col4 {
  grid-column: span 4;
}

.const-card {
  position: relative;
  background-color: #FFFFFF;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-subtle);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.const-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.07);
  border-color: var(--border-light);
}

.const-media-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: #0E0F12;
  cursor: pointer;
}

.const-card-hero .const-media-wrap {
  aspect-ratio: 16 / 10.5;
}

.const-media-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.const-card:hover .const-media-wrap img {
  transform: scale(1.05);
}

.const-badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  padding: 0.35rem 0.75rem;
  background: rgba(17, 18, 20, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: var(--radius-subtle);
  z-index: 2;
}

.const-zoom-btn {
  position: absolute;
  bottom: var(--space-md);
  right: var(--space-md);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  opacity: 0;
  transform: scale(0.85);
  transition: all var(--transition-fast);
  cursor: pointer;
  z-index: 2;
}

.const-card:hover .const-zoom-btn {
  opacity: 1;
  transform: scale(1);
}

.const-zoom-btn:hover {
  background-color: var(--bg-dark);
  color: #FFFFFF;
}

.const-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.const-kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-beige);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-2xs);
  display: block;
}

.const-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: var(--space-xs);
}

.const-card-hero .const-title {
  font-size: 1.5rem;
}

.const-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.const-specs-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border-hairline);
  margin-top: auto;
}

.const-spec-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.2rem 0.55rem;
  background-color: var(--bg-secondary);
  border-radius: var(--radius-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-hairline);
}

/* Lightbox Modal */
.const-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 11, 14, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease-editorial), visibility 0.3s;
  padding: var(--space-lg);
}

.const-modal.active {
  opacity: 1;
  visibility: visible;
}

.const-modal-content {
  position: relative;
  max-width: 1100px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  background-color: #141518;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-subtle);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

.const-modal-media {
  width: 100%;
  max-height: 65vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #0A0A0C;
  overflow: hidden;
}

.const-modal-img {
  max-width: 100%;
  max-height: 65vh;
  object-fit: contain;
  display: block;
}

.const-modal-footer {
  padding: var(--space-md) var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #18191E;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.const-modal-info {
  display: flex;
  flex-direction: column;
}

.const-modal-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-beige);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.const-modal-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: #FFFFFF;
  margin-top: 2px;
}

.const-modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-fast);
}

.const-modal-close:hover {
  background-color: #FFFFFF;
  color: #000000;
}

/* --------------------------------------------------------------------------
   04. STUDIO MANIFESTO / ABOUT STATEMENT
   -------------------------------------------------------------------------- */
.statement-section {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
}

.statement-quote {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 400;
  line-height: 1.25;
  color: var(--text-primary);
  max-width: 1100px;
  margin-bottom: var(--space-3xl);
  letter-spacing: -0.015em;
}

.statement-quote em {
  font-style: italic;
  color: var(--brand-orange);
}

.statement-principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--border-hairline);
}

.principle-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.principle-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-beige);
  letter-spacing: 0.14em;
  font-weight: 600;
}

.principle-title {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}

.principle-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   05. FEATURED SELECTED ARCHIVE
   -------------------------------------------------------------------------- */
.featured-projects {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
  background-color: var(--bg-primary);
}

.project-filters {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-subtle);
  color: var(--text-secondary);
  background: var(--bg-primary);
  transition: all var(--transition-fast);
  cursor: pointer;
  user-select: none;
}

.filter-btn:hover {
  border-color: var(--border-light);
  color: var(--text-primary);
}

.filter-btn.active {
  background-color: var(--bg-dark);
  border-color: var(--bg-dark);
  color: #FFFFFF;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2xl);
}

.project-card {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-subtle);
  overflow: hidden;
  transition: opacity 0.35s ease, transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.project-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.05);
}

.project-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: #0A0A0C;
}

.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-media img {
  transform: scale(1.03);
}

.project-badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background: rgba(255, 255, 255, 0.95);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 4px 10px;
  border-radius: var(--radius-subtle);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-info {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex-grow: 1;
  justify-content: space-between;
}

.project-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.project-title {
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.2;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.project-action {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-hairline);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* --------------------------------------------------------------------------
   06. SERVICES SECTION (THE 6 DISTINCT SERVICES)
   -------------------------------------------------------------------------- */
.services-section {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
}

.services-matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.service-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-subtle);
  padding: var(--space-2xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent-beige);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.service-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

.service-card:hover::before {
  transform: scaleX(1);
}

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

.service-number {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-beige);
  letter-spacing: 0.1em;
  font-weight: 600;
}

.service-icon {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.service-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.service-name {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

.service-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--space-xs);
}

.service-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 3px 8px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  border-radius: var(--radius-subtle);
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   07. CLIENT BRANDS WALL (19 REAL LOGOS)
   -------------------------------------------------------------------------- */
.brands-section {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
  background-color: var(--bg-primary);
}

.brands-head {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-3xl) auto;
}

.brands-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-md);
  align-items: center;
}

.brand-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-subtle);
  padding: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  perspective: 800px;
  transform-style: preserve-3d;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease;
}

.brand-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-beige);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand-card:hover {
  border-color: var(--accent-beige);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.08);
  transform: translateY(-6px);
}

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

/* Brand Logos Always in Full Original Color (No Grayscale) */
.brand-card img {
  max-width: 86%;
  max-height: 86%;
  object-fit: contain;
  filter: none !important;
  opacity: 1 !important;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand-card:hover img {
  transform: scale(1.08);
}

/* --------------------------------------------------------------------------
   08. TESTIMONIALS SECTION
   -------------------------------------------------------------------------- */
.testimonials-section {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}

.testimonial-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-subtle);
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-xl);
}

.quote-mark {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  line-height: 1;
  color: var(--accent-beige);
}

.testimonial-content {
  font-size: 1rem;
  color: var(--text-primary);
  line-height: 1.7;
  font-style: italic;
}

.client-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-hairline);
}

.client-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.client-role {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-beige);
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   09. FINAL MONOLITHIC CTA
   -------------------------------------------------------------------------- */
.cta-monolith {
  padding-top: var(--space-5xl);
  padding-bottom: var(--space-5xl);
  background-color: var(--bg-primary);
}

.cta-container {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.cta-title {
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  font-weight: 400;
  line-height: 1.12;
  color: var(--text-primary);
}

.cta-title em {
  font-style: italic;
  color: var(--brand-orange);
}

.cta-subtitle {
  font-size: var(--text-body-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

/* --------------------------------------------------------------------------
   10. RESPONSIVE BREAKPOINTS (HOME)
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
  .pillar-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  .pillar-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .const-card-hero,
  .const-card-corridor,
  .const-card-col4 {
    grid-column: span 12;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .services-matrix {
    grid-template-columns: repeat(2, 1fr);
  }
  .brands-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .statement-principles {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

/* --------------------------------------------------------------------------
   VISUAL-FIRST MOBILE ARCHITECTURAL VIEW (MAX-WIDTH: 768px)
   Prioritizes high-res imagery, hides repetitive text walls, keeps desktop 100% full
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  /* Hide generic section subtitle paragraphs on mobile so photos show immediately */
  .section-desc {
    display: none !important;
  }

  /* Hero Section: Photo First & Punchy Headline */
  .hero-section {
    padding-top: var(--space-lg);
    padding-bottom: var(--space-lg);
  }
  .eyebrow-line {
    font-size: 0.66rem;
    letter-spacing: 0.1em;
    margin-bottom: 0.25rem;
  }
  .hero-title {
    font-size: clamp(2rem, 7.8vw, 2.65rem);
    line-height: 1.12;
    margin-bottom: var(--space-xs);
  }
  /* Hide long 3-line subtitle on mobile so hero photography is immediately visible */
  .hero-subtitle {
    display: none !important;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-xs);
    width: 100%;
    margin-bottom: var(--space-sm);
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
  }
  .hero-showcase {
    aspect-ratio: 16 / 10;
    margin-top: var(--space-xs);
    border-radius: var(--radius-subtle);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  }

  /* Metrics Bar: Compact 2x2 Numeric Strip */
  .metrics-container {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
    padding-top: var(--space-md);
    padding-bottom: var(--space-md);
  }
  .metrics-cols {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
    width: 100%;
  }
  .metric-number {
    font-size: 1.65rem;
  }
  .metric-label {
    font-size: 0.6rem;
  }
  .metrics-right {
    justify-content: space-between;
    width: 100%;
    padding-top: var(--space-xs);
    border-top: 1px solid var(--border-hairline);
  }
  .metrics-thumbnails {
    gap: 4px;
  }
  .metric-thumb {
    width: 32px;
    height: 32px;
  }
  .metrics-link {
    font-size: 0.74rem;
  }

  /* Architectural Pillar Cards: 2x2 High-Impact Visual Grid */
  .pillar-section {
    padding-top: var(--space-md);
    padding-bottom: var(--space-xl);
  }
  .pillar-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: var(--space-sm) !important;
  }
  .pillar-card {
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-subtle);
  }
  .pillar-overlay {
    padding: var(--space-sm);
  }
  .pillar-title {
    font-size: 1.05rem;
    line-height: 1.15;
  }
  .pillar-title .arrow {
    display: none;
  }

  /* Construction Showcase: Dominant Photos, No Text Blocks */
  .construction-showcase-section {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-2xl);
  }
  .construction-head-flex {
    margin-bottom: var(--space-md);
    gap: var(--space-xs);
  }
  .construction-grid {
    gap: var(--space-md);
  }
  .const-card {
    border-radius: var(--radius-subtle);
    overflow: hidden;
  }
  .const-media-wrap {
    aspect-ratio: 16 / 10;
    width: 100%;
  }
  .const-body {
    padding: var(--space-sm) var(--space-md);
  }
  .const-kicker {
    font-size: 0.64rem;
    margin-bottom: 2px;
  }
  .const-title {
    font-size: 1.1rem;
    line-height: 1.25;
    margin-bottom: 4px;
  }
  .const-card-hero .const-title {
    font-size: 1.15rem;
  }
  /* Hide long descriptive paragraphs on mobile cards so photos dominate */
  .const-desc {
    display: none !important;
  }
  .const-specs-row {
    padding-top: 4px;
    gap: 4px;
    margin-top: 2px;
  }
  .const-spec-tag {
    font-size: 0.65rem;
    padding: 0.15rem 0.45rem;
  }
  .const-specs-row .const-spec-tag:nth-child(n+3) {
    display: none;
  }

  /* Studio Manifesto / Principles: Sleek Minimal Horizontal Strips */
  .statement-section {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
  }
  .statement-quote {
    font-size: clamp(1.25rem, 5vw, 1.6rem);
    line-height: 1.35;
    margin-bottom: var(--space-lg);
  }
  .statement-principles {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
  }
  .principle-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background-color: #FFFFFF;
    border-radius: var(--radius-subtle);
    border: 1px solid var(--border-hairline);
  }
  .principle-num {
    font-size: 0.66rem;
    margin-bottom: 0;
  }
  .principle-title {
    font-size: 0.95rem;
    margin-bottom: 0;
  }
  /* Hide long principle paragraphs on mobile */
  .principle-desc {
    display: none !important;
  }

  /* Featured Works: Photography First, Title & Pill */
  .featured-projects {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-2xl);
  }
  .project-filters {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: var(--space-xs);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: var(--space-2xs);
  }
  .project-filters::-webkit-scrollbar {
    display: none;
  }
  .filter-btn {
    white-space: nowrap;
    font-size: 0.74rem;
    padding: 0.35rem 0.75rem;
    flex-shrink: 0;
  }
  .projects-grid {
    gap: var(--space-md);
  }
  .project-card {
    border-radius: var(--radius-subtle);
    overflow: hidden;
  }
  .project-media {
    aspect-ratio: 16 / 10;
  }
  .project-info {
    padding: var(--space-sm) var(--space-md);
    gap: 4px;
  }
  .project-meta-row {
    font-size: 0.7rem;
  }
  .project-title {
    font-size: 1.15rem;
    margin-top: 2px !important;
  }
  /* Hide long project description on mobile cards so visual image dominates */
  .project-desc {
    display: none !important;
  }
  .project-action {
    padding-top: 4px;
    margin-top: 4px;
    font-size: 0.76rem;
  }

  /* Capabilities & Services Matrix: Compact 2-Column Grid */
  .services-section {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
  }
  .services-matrix {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--space-xs) !important;
  }
  .service-card {
    padding: var(--space-sm);
    gap: var(--space-xs);
  }
  .service-number {
    font-size: 0.65rem;
  }
  .service-name {
    font-size: 0.95rem;
    line-height: 1.2;
    margin-bottom: 2px;
  }
  /* Hide long service descriptions on mobile */
  .service-desc {
    display: none !important;
  }
  .service-tags {
    display: none;
  }
  .service-card .link-editorial {
    font-size: 0.72rem;
  }

  /* Brand Grid */
  .brands-section {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
  }
  .brands-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
  }
  .brand-card {
    padding: var(--space-sm);
    height: 75px;
  }

  /* Testimonials: Clean and Compact */
  .testimonials-section {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
  }
  .testimonial-card {
    padding: var(--space-md);
    gap: var(--space-sm);
  }
  .quote-mark {
    font-size: 2rem;
  }
  .testimonial-content {
    font-size: 0.88rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .client-meta {
    padding-top: var(--space-xs);
  }

  /* CTA Banner */
  .cta-monolith {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
  }
  .cta-title {
    font-size: clamp(1.75rem, 6.5vw, 2.25rem);
    line-height: 1.15;
  }
  .cta-subtitle {
    display: none !important;
  }
  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: var(--space-xs);
  }
  .cta-buttons .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.95rem;
  }
  .metrics-cols {
    grid-template-columns: repeat(2, 1fr);
  }
  .metric-number {
    font-size: 1.5rem;
  }
  .const-title {
    font-size: 1.05rem;
  }
}