:root {
  --gold: #c5942e;
  --charcoal: #1a1a1a;
  --dark: #2d2d2d;
  --white: #ffffff;
  --muted: rgba(26, 26, 26, 0.75);
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Source Sans 3", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .section-fade {
    opacity: 1 !important;
    transform: none !important;
  }
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--charcoal);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  line-height: 1.2;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

::selection {
  background: color-mix(in srgb, var(--gold) 30%, white);
}

.container {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 2.5rem;
  }
}

.gold-line {
  display: block;
  width: 3rem;
  height: 3px;
  background: var(--gold);
  margin-top: 0.75rem;
}

.gold-line.center {
  margin-left: auto;
  margin-right: auto;
}

/* Nav */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 80rem;
  margin: 0 auto;
}

.logo {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--charcoal);
}

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

.nav-desktop {
  display: none;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-desktop a {
  position: relative;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(26, 26, 26, 0.7);
  transition: color 0.2s;
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--gold);
}

.nav-desktop a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background: var(--gold);
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
}

.menu-toggle span {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--gold);
}

.nav-mobile {
  display: none;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  padding: 1rem 1.5rem;
}

.nav-mobile.open {
  display: block;
}

.nav-mobile a {
  display: block;
  padding: 0.5rem 0;
  text-decoration: none;
  font-size: 0.875rem;
  color: rgba(26, 26, 26, 0.7);
}

.nav-mobile a.active {
  color: var(--gold);
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
  scroll-margin-top: 5rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.1);
  will-change: transform;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--dark), rgba(45, 45, 45, 0.7), rgba(45, 45, 45, 0.3));
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 80rem;
  margin: 0 auto;
  padding: 8rem 1.5rem 5rem;
}

@media (min-width: 768px) {
  .hero-content {
    padding: 8rem 2.5rem 7rem;
  }
}

.hero-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 1rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  margin: 0;
  max-width: 36rem;
}

.hero-subtitle {
  font-family: var(--serif);
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  color: rgba(255, 255, 255, 0.9);
  margin: 1rem 0 0;
  max-width: 36rem;
}

.hero-intro {
  margin-top: 2rem;
  max-width: 48rem;
  color: rgba(255, 255, 255, 0.75);
  font-size: 1rem;
}

.hero-quote {
  margin: 2rem 0 0;
  max-width: 48rem;
  padding-left: 1.5rem;
  border-left: 2px solid var(--gold);
  font-style: italic;
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.8);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 2px;
  cursor: pointer;
  border: none;
  font-family: var(--sans);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.btn-primary {
  background: var(--gold);
  color: var(--white);
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--gold) 90%, black);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

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

.btn-hero-walkthrough {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 1rem 1.75rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dark);
  background: linear-gradient(135deg, #f0c96a 0%, var(--gold) 45%, #b8862d 100%);
  border: 2px solid rgba(255, 255, 255, 0.85);
  box-shadow:
    0 0 0 1px rgba(197, 148, 46, 0.45),
    0 10px 28px rgba(0, 0, 0, 0.35),
    0 0 24px rgba(197, 148, 46, 0.35);
  animation: hero-walkthrough-pulse 2.8s ease-in-out infinite;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-hero-walkthrough:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.9),
    0 14px 32px rgba(0, 0, 0, 0.4),
    0 0 32px rgba(197, 148, 46, 0.5);
}

.btn-hero-walkthrough-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: rgba(45, 45, 45, 0.9);
  color: var(--gold);
  font-size: 0.75rem;
  line-height: 1;
}

@keyframes hero-walkthrough-pulse {
  0%,
  100% {
    box-shadow:
      0 0 0 1px rgba(197, 148, 46, 0.45),
      0 10px 28px rgba(0, 0, 0, 0.35),
      0 0 24px rgba(197, 148, 46, 0.35);
  }
  50% {
    box-shadow:
      0 0 0 1px rgba(255, 255, 255, 0.75),
      0 12px 30px rgba(0, 0, 0, 0.38),
      0 0 36px rgba(197, 148, 46, 0.55);
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn-hero-walkthrough {
    animation: none;
  }
}

.btn-outline-dark {
  background: transparent;
  color: var(--charcoal);
  border: 1px solid rgba(0, 0, 0, 0.15);
}

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

/* Sections */
.section {
  padding: 5rem 0;
  scroll-margin-top: 5rem;
}

.section-fade {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.section-fade.visible {
  opacity: 1;
  transform: translateY(0);
}

.section-alt {
  background: #f8f8f8;
}

.section-dark {
  background: var(--dark);
  color: var(--white);
}

.section-dark .gold-line {
  background: var(--gold);
}

.section-dark p,
.section-dark li {
  color: rgba(255, 255, 255, 0.75);
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  margin: 0;
}

.section-lead {
  margin: 1.5rem auto 0;
  max-width: 48rem;
  color: var(--muted);
  text-align: center;
}

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

/* Grid layouts */
.split {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 768px) {
  .split {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }

  .split.reverse .split-image {
    order: 2;
  }
}

.split-image img {
  width: 100%;
  max-height: 560px;
  object-fit: cover;
}

.content-block + .content-block {
  margin-top: 2rem;
}

.content-block h3 {
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
}

.content-block p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--muted);
}

/* Research — full-width text */
.research-content {
  max-width: 56rem;
}

.research-content .section-title {
  font-size: clamp(2rem, 4.5vw, 3rem);
}

.research-lead {
  margin-top: 2rem;
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  line-height: 1.75;
  color: var(--muted);
}

.concept-banner {
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--gold);
  background: rgba(197, 148, 46, 0.06);
  font-family: var(--serif);
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  font-weight: 600;
  color: var(--charcoal);
  line-height: 1.5;
}

.research-blocks {
  display: grid;
  gap: 2rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .research-blocks {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    align-items: start;
  }
}

.research-content .content-block h3 {
  font-size: 1.375rem;
}

.research-content .block-concept {
  margin-top: 0.75rem;
  font-size: 0.9375rem;
  font-style: italic;
  line-height: 1.6;
  color: var(--charcoal);
}

.research-content .content-block > p:not(.block-concept) {
  font-size: 1rem;
  line-height: 1.7;
}

.research-points {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.research-points li {
  position: relative;
  padding-left: 1rem;
  margin-bottom: 0.75rem;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--muted);
  border-left: 2px solid rgba(197, 148, 46, 0.35);
}

.research-points li:last-child {
  margin-bottom: 0;
}

.research-points strong {
  color: var(--charcoal);
  font-weight: 600;
}

.research-content .accordion-panel li {
  font-size: 1rem;
  line-height: 1.7;
}

/* Cards */
.card-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 3.5rem;
}

@media (min-width: 640px) {
  .card-grid.cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid.cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.card {
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: var(--white);
  padding: 1.5rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-color: rgba(197, 148, 46, 0.4);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.card h3 {
  font-size: 1.25rem;
  margin: 0;
}

.card p {
  margin: 1rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
}

/* Timeline */
.timeline {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 3rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.timeline-step {
  border: 1px solid rgba(197, 148, 46, 0.3);
  background: rgba(197, 148, 46, 0.05);
  padding: 0.5rem 1rem;
  text-align: center;
  min-width: 120px;
}

.timeline-step .num {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.timeline-step .label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  margin-top: 0.25rem;
}

.timeline-arrow {
  display: none;
  align-self: center;
  color: var(--gold);
}

@media (min-width: 768px) {
  .timeline-arrow {
    display: inline;
  }
}

/* Process steps */
.process-step {
  display: grid;
  gap: 2rem;
  align-items: center;
  margin-top: 5rem;
}

@media (min-width: 768px) {
  .process-step {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }

  .process-step.reverse .process-image {
    order: 2;
  }
}

.process-image {
  border: 1px solid rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.process-image--flow {
  background: transparent;
  padding: 0;
  border: none;
  overflow: visible;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.process-flow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.process-flow--second {
  margin-top: 0;
}

.process-flow-item {
  flex: 1;
  min-width: 0;
  margin: 0;
  text-align: center;
  position: relative;
  z-index: 1;
  cursor: pointer;
  transition: transform 0.35s ease, z-index 0s;
}

.process-flow-item:hover {
  z-index: 5;
  transform: scale(1.08);
}

.process-flow-item img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.35s ease, border-color 0.35s ease;
}

.process-flow-item:hover img {
  border-color: rgba(197, 148, 46, 0.45);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.14);
}

.process-flow-item figcaption {
  margin: 0.5rem 0 0;
  font-size: 0.6875rem;
  line-height: 1.35;
  color: var(--muted);
}

.process-image--flow .process-flow-item:only-child {
  width: 100%;
}

.process-flow-arrow {
  flex-shrink: 0;
  color: var(--gold);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1;
  padding: 0 0.125rem;
}

@media (max-width: 767px) {
  .process-flow {
    flex-direction: column;
    gap: 0.5rem;
  }

  .process-flow-arrow {
    transform: rotate(90deg);
  }
}

.process-step .step-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

.process-step h3 {
  font-size: 1.5rem;
  margin: 0.5rem 0 0;
}

.process-step p {
  margin-top: 1rem;
  font-size: 0.9375rem;
  color: var(--muted);
}

.step-effect-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.step-effect-panels {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2rem;
}

.step-effect-heading {
  margin: 0 0 1rem;
  font-family: var(--serif);
  font-size: 1.125rem;
  font-weight: 600;
}

.step-effect-panel .video-figure video {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #111;
}

.process-bts-title {
  margin: 2rem 0 0;
  font-family: var(--serif);
  font-size: 1.125rem;
  font-weight: 600;
}

.process-bts-videos {
  margin-top: 1rem;
}

.caption-list {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.caption-list li {
  font-size: 0.875rem;
  color: var(--muted);
  margin-top: 0.75rem;
}

.caption-list strong {
  color: var(--charcoal);
}

/* Before/after */
.before-after {
  margin-top: 4rem;
}

.collision-section {
  max-width: 72rem;
}

.collision-lead {
  margin-top: 1rem;
  max-width: 52rem;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--muted);
}

.collision-approaches {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (min-width: 768px) {
  .collision-approaches {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .collision-card--wide {
    grid-column: 1 / -1;
    max-width: 48rem;
    margin: 0 auto;
    width: 100%;
  }
}

.collision-card {
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: var(--white);
  overflow: hidden;
  transition: border-color 0.2s;
}

.collision-card:hover {
  border-color: rgba(197, 148, 46, 0.35);
}

.collision-media video,
.collision-media img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
  background: var(--dark);
}

.collision-media--tabbed {
  background: var(--dark);
}

.scene-tab-list {
  display: flex;
  gap: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: #1f1f1f;
}

.scene-tab-list button {
  flex: 1;
  padding: 0.625rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--sans);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.scene-tab-list button:hover {
  color: rgba(255, 255, 255, 0.85);
}

.scene-tab-list button[aria-selected="true"] {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.scene-panel {
  display: none;
}

.scene-panel.active {
  display: block;
}

.scene-panel[hidden] {
  display: none !important;
}

.collision-media--carousel .scene-panel video {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  display: block;
  background: #000;
}

.scene-panel video {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
  background: var(--dark);
}

.video-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 9/16;
  max-height: 28rem;
  margin: 0 auto;
  background: var(--dark);
}

.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.collision-media--carousel .scene-tabs {
  position: relative;
}

.carousel-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: absolute;
  top: 2.75rem;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0 0.25rem;
  pointer-events: none;
  z-index: 2;
}

.carousel-nav button {
  pointer-events: auto;
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.55);
  color: var(--white);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.carousel-nav button:hover {
  background: rgba(197, 148, 46, 0.9);
  color: var(--white);
}

.scene-caption {
  margin: 0;
  padding: 0.75rem 1rem;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.75);
  background: #1a1a1a;
}

.scene-caption em {
  color: var(--gold);
  font-style: normal;
  font-weight: 600;
}

.collision-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.collision-card-body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.collision-card h4 {
  font-family: var(--serif);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
  color: var(--charcoal);
}

.collision-card p {
  margin: 0.75rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--muted);
}

.collision-case-study {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.case-study-title {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.collision-case-study > p {
  margin-top: 1rem;
  max-width: 52rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--muted);
}

.collision-case-study img {
  margin-top: 1.5rem;
}

.floral-window-context {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.case-study-subtitle {
  font-family: var(--serif);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
}

.floral-window-context .research-points {
  margin-top: 1rem;
}

.case-study-ref-images {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

@media (min-width: 768px) {
  .case-study-ref-images {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    align-items: start;
  }
}

.ref-lightbox-trigger {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: var(--white);
  cursor: zoom-in;
  text-align: left;
  font-family: inherit;
  position: relative;
  transition:
    border-color 0.25s ease,
    box-shadow 0.25s ease,
    z-index 0s;
}

.ref-lightbox-trigger:hover,
.ref-lightbox-trigger:focus-visible {
  z-index: 20;
  border-color: rgba(197, 148, 46, 0.45);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.14);
  outline: none;
}

.ref-image-wrap {
  display: block;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: #f8f8f8;
  transition: aspect-ratio 0.3s ease;
}

.ref-lightbox-trigger:hover .ref-image-wrap,
.ref-lightbox-trigger:focus-visible .ref-image-wrap {
  aspect-ratio: auto;
  overflow: visible;
}

.ref-lightbox-trigger img {
  margin-top: 0;
  width: 100%;
  height: 100%;
  min-height: 12rem;
  object-fit: cover;
  object-position: top center;
  transition:
    object-fit 0.25s ease,
    height 0.3s ease,
    max-height 0.3s ease;
}

.ref-lightbox-trigger:hover img,
.ref-lightbox-trigger:focus-visible img {
  object-fit: contain;
  height: auto;
  max-height: min(70vh, 520px);
}

.ref-caption {
  display: block;
  padding: 0.625rem 0.75rem;
  font-size: 0.75rem;
  color: var(--muted);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.case-study-bridge {
  margin-top: 2rem;
  max-width: 52rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  font-style: italic;
  color: var(--muted);
}

.case-study-videos {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .case-study-videos {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

.video-figure {
  margin: 0;
}

.video-figure video {
  width: 100%;
  display: block;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: var(--dark);
}

.video-figure figcaption {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  font-style: italic;
  color: var(--muted);
  text-align: left;
}

.video-figure figcaption strong {
  color: var(--gold);
  font-style: normal;
  font-weight: 600;
}

.before-after img {
  width: 100%;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.caption-row {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

@media (min-width: 768px) {
  .caption-row {
    grid-template-columns: 1fr 1fr;
  }
}

.caption-row p {
  font-size: 0.875rem;
  font-style: italic;
  color: var(--muted);
  margin: 0;
}

/* Accordion */
.accordion-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2.5rem;
  background: none;
  border: none;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gold);
  cursor: pointer;
  font-family: var(--sans);
  padding: 0;
}

.accordion-panel {
  display: none;
  margin-top: 1rem;
  padding-left: 1.5rem;
  border-left: 2px solid rgba(197, 148, 46, 0.3);
}

.accordion-panel.open {
  display: block;
}

.accordion-panel li {
  font-size: 0.9375rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

/* Theory */
.theory-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 4rem;
}

@media (min-width: 768px) {
  .theory-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.theory-figure {
  border: 1px solid rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.theory-figure figcaption {
  padding: 1rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.theory-list {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 640px) {
  .theory-list {
    grid-template-columns: 1fr 1fr;
  }
}

.theory-list li {
  padding-left: 1rem;
  border-left: 2px solid rgba(197, 148, 46, 0.3);
  font-size: 0.875rem;
  color: var(--muted);
}

/* Interaction modes */
.mode-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 3.5rem;
}

@media (min-width: 768px) {
  .mode-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.mode-card {
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: var(--white);
  overflow: hidden;
}

.mode-card img {
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}

.mode-card .mode-body {
  padding: 1.5rem;
}

.mode-card h4 {
  font-size: 1.125rem;
  margin: 0;
}

.mode-card p {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.interaction-media-grid {
  display: grid;
  gap: 2rem;
  margin: 2.5rem 0 4rem;
  padding: 0 0.5rem;
}

@media (min-width: 640px) {
  .interaction-media-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 1rem;
  }
}

.interaction-media-card {
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: var(--white);
  overflow: hidden;
}

.interaction-media-card .mode-body {
  padding: 1.75rem 2rem 2rem;
}

.interaction-media-card video {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  background: #111;
}

.interaction-media-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #111;
}

.interaction-media-embed--short {
  aspect-ratio: 9 / 16;
  max-height: 28rem;
  margin: 0 auto;
}

.interaction-media-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Journey */
.journey {
  margin-top: 4rem;
}

.journey ol {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
}

.journey li {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.journey .step-num {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid rgba(197, 148, 46, 0.4);
  background: rgba(197, 148, 46, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-weight: 600;
  color: var(--gold);
}

.journey h4 {
  font-size: 1.125rem;
  margin: 0;
}

.journey p {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
}

/* Statement block */
.statement-block {
  margin: 2.5rem auto 0;
  max-width: 56rem;
  padding: 2rem;
  border: 1px solid rgba(197, 148, 46, 0.3);
  background: rgba(197, 148, 46, 0.05);
  text-align: center;
  font-family: var(--serif);
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  font-style: italic;
  line-height: 1.5;
}

.prose {
  max-width: 48rem;
  margin: 2.5rem auto 0;
}

.prose p {
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.prose p:last-child {
  margin-bottom: 0;
}

.figure-grid {
  display: grid;
  gap: 2rem;
  margin-top: 3.5rem;
}

@media (min-width: 768px) {
  .figure-grid {
    grid-template-columns: 1fr 1fr;
  }
}

figure img {
  width: 100%;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

figcaption {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  font-style: italic;
  color: rgba(26, 26, 26, 0.6);
}

.emphasis {
  text-align: center;
  font-family: var(--serif);
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: 2.5rem;
}

/* Installation */
.banner-wrap {
  position: relative;
  overflow: hidden;
}

.banner-wrap .particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.banner-wrap img {
  width: 100%;
  opacity: 0.9;
}

.install-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 3.5rem;
}

@media (min-width: 768px) {
  .install-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.install-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.install-card img {
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}

.install-card figcaption {
  padding: 1rem;
  color: rgba(255, 255, 255, 0.65);
}

.install-card h3 {
  color: var(--white);
  font-size: 1.125rem;
  margin: 0;
}

.exhibition-space-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (min-width: 640px) {
  .exhibition-space-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .exhibition-space-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.exhibition-space-grid .video-figure video {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  background: #111;
}

.exhibition-space-item {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: var(--white);
  cursor: zoom-in;
  text-align: left;
  overflow: hidden;
  transition: transform 0.35s ease, border-color 0.2s, box-shadow 0.35s ease;
}

.exhibition-space-item:hover {
  transform: scale(1.03);
  border-color: rgba(197, 148, 46, 0.4);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
}

.exhibition-space-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.exhibition-space-item span {
  display: block;
  padding: 0.875rem 1rem;
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.4;
}

.floor-plan-figures .workflow-image-wrap {
  background: var(--white);
}

.floor-plan-figures .workflow-figure img {
  width: 100%;
  max-height: 34rem;
  object-fit: contain;
  margin: 0 auto;
}

.floor-plan-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 1.75rem;
  margin: 2.5rem 0 0;
  padding: 0;
  list-style: none;
}

.floor-plan-legend li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--muted);
}

.floor-plan-swatch {
  width: 0.875rem;
  height: 0.875rem;
  border-radius: 1px;
  flex-shrink: 0;
}

.floor-plan-swatch--progress {
  background: #e24b4b;
}

.floor-plan-swatch--video {
  background: #6eb6e8;
}

.floor-plan-swatch--canvas {
  background: #5b3f8f;
}

.floor-plan-swatch--circular {
  background: #3ecf6a;
}

.floor-plan-note {
  margin: 1.5rem auto 0;
  max-width: 40rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.6;
}

.floor-plan-walkthrough-link {
  display: inline;
  padding: 0;
  border: none;
  background: none;
  color: var(--gold);
  font: inherit;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
}

.floor-plan-walkthrough-link:hover {
  color: color-mix(in srgb, var(--gold) 80%, black);
}

/* Gallery */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 3rem;
}

.filter-btn {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 2px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: var(--white);
  color: rgba(26, 26, 26, 0.7);
  cursor: pointer;
  font-family: var(--sans);
  transition: background 0.2s, border-color 0.2s;
}

.filter-btn:hover {
  border-color: rgba(197, 148, 46, 0.4);
}

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

.gallery-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2.5rem;
  padding: 0.25rem;
}

@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-item {
  border: 1px solid rgba(0, 0, 0, 0.08);
  cursor: pointer;
  text-align: left;
  background: var(--white);
  padding: 0;
  overflow: hidden;
  position: relative;
  z-index: 1;
  transition: transform 0.35s ease, border-color 0.2s, box-shadow 0.35s ease;
}

.gallery-item:hover {
  transform: scale(1.05);
  z-index: 2;
  border-color: rgba(197, 148, 46, 0.4);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.14);
}

.gallery-item.hidden {
  display: none;
}

.gallery-item .thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.gallery-item .thumb-video {
  position: relative;
  background: #111;
}

.gallery-item .thumb-poster {
  position: relative;
  z-index: 1;
  transition: opacity 0.3s ease;
}

.gallery-item .thumb-preview {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery-item:hover .thumb-preview {
  opacity: 1;
}

.gallery-item:hover .thumb-poster {
  opacity: 0;
}

.gallery-item .thumb-video > .thumb-preview:only-child {
  position: relative;
  opacity: 1;
}

.gallery-item img,
.gallery-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #111;
}

.gallery-item[data-media-type="image"] img {
  transition: transform 0.5s ease;
}

.gallery-item[data-media-type="image"]:hover img {
  transform: scale(1.06);
}

.gallery-item p {
  padding: 1rem;
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.8);
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.lightbox.open {
  display: flex;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

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

.lightbox-content {
  max-width: 64rem;
  text-align: center;
}

.lightbox-content img,
.lightbox-content video {
  max-width: 100%;
  max-height: 85vh;
  margin: 0 auto;
  object-fit: contain;
  display: block;
}

.lightbox-content img[hidden],
.lightbox-content video[hidden] {
  display: none;
}

.lightbox-content p {
  margin-top: 1rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
}

/* Step 2 effect video fullscreen */
.effect-video-modal {
  position: fixed;
  inset: 0;
  z-index: 210;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem 1.5rem;
  overflow-y: auto;
}

.effect-video-modal[hidden] {
  display: none;
}

.effect-video-close {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 211;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.75);
  font-size: 2.25rem;
  line-height: 1;
  cursor: pointer;
}

.effect-video-close:hover {
  color: var(--white);
}

.effect-video-modal-inner {
  width: min(96vw, 64rem);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.effect-video-block {
  margin: 0;
  text-align: center;
}

.effect-video-block video {
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  background: #000;
  display: block;
}

.effect-video-block figcaption {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
}

/* Exhibition walkthrough fullscreen */
.exhibition-walkthrough-modal {
  position: fixed;
  inset: 0;
  z-index: 220;
  background: rgba(0, 0, 0, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3.5rem 1.25rem 1.25rem;
}

.exhibition-walkthrough-modal[hidden] {
  display: none;
}

.exhibition-walkthrough-close {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 221;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.75);
  font-size: 2.25rem;
  line-height: 1;
  cursor: pointer;
}

.exhibition-walkthrough-close:hover {
  color: var(--white);
}

.exhibition-walkthrough-layout {
  display: flex;
  align-items: stretch;
  gap: 1.5rem;
  width: min(96vw, 88rem);
  max-height: 88vh;
}

.exhibition-walkthrough-video-wrap {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.exhibition-walkthrough-video-wrap video {
  width: 100%;
  max-height: 82vh;
  object-fit: contain;
  background: #000;
  display: block;
}

.exhibition-walkthrough-plans {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  justify-content: center;
  padding: 0.25rem 0;
}

.exhibition-floor-plan {
  margin: 0;
  text-align: center;
  transition: transform 0.35s ease, z-index 0s;
  transform-origin: right center;
}

.exhibition-floor-plan img {
  width: 7.5rem;
  max-height: 9rem;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
  transition: box-shadow 0.35s ease;
}

.exhibition-floor-plan figcaption {
  margin-top: 0.5rem;
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

.exhibition-floor-plan:hover {
  z-index: 5;
  transform: scale(2.75);
}

.exhibition-floor-plan:hover img {
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
}

@media (max-width: 900px) {
  .exhibition-walkthrough-layout {
    flex-direction: column;
    max-height: none;
    overflow-y: auto;
  }

  .exhibition-walkthrough-plans {
    flex-direction: row;
    justify-content: center;
    gap: 1rem;
  }

  .exhibition-floor-plan {
    transform-origin: center bottom;
  }

  .exhibition-floor-plan img {
    width: 5.5rem;
    max-height: 7rem;
  }

  .exhibition-floor-plan:hover {
    transform: scale(2.2);
  }
}

/* Workflow diagrams */
.workflow-figures {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.5rem;
  align-items: start;
}

@media (min-width: 768px) {
  .workflow-figures {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

.workflow-figure {
  margin: 0;
  text-align: center;
  position: relative;
  z-index: 1;
  cursor: pointer;
  transition: transform 0.35s ease;
}

.workflow-figure:hover {
  z-index: 5;
  transform: scale(1.06);
}

.workflow-image-wrap {
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: #f8f8f8;
  line-height: 0;
  transition: box-shadow 0.35s ease, border-color 0.35s ease;
}

.workflow-figure img {
  width: 100%;
  height: auto;
  display: block;
}

.workflow-figure:hover .workflow-image-wrap {
  border-color: rgba(197, 148, 46, 0.45);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.14);
}

.workflow-figure figcaption {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.5;
}

/* Workflow columns */
.workflow-columns {
  display: grid;
  gap: 1.5rem;
  margin-top: 4rem;
}

@media (min-width: 768px) {
  .workflow-columns {
    grid-template-columns: repeat(3, 1fr);
  }
}

.workflow-col {
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: #f8f8f8;
  padding: 1.5rem;
}

.workflow-col h3 {
  font-size: 1.25rem;
  margin: 0;
}

.workflow-col ul {
  margin: 1rem 0 0;
  padding-left: 1.25rem;
}

.workflow-col li {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

/* References */
.references ol {
  margin: 2rem 0 0;
  padding-left: 1.5rem;
}

.references li {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.references a {
  color: var(--muted);
  text-decoration: underline;
  text-decoration-color: rgba(197, 148, 46, 0.3);
  text-underline-offset: 2px;
}

.references a:hover {
  color: var(--gold);
}

.site-footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  text-align: center;
  font-size: 0.875rem;
  color: rgba(26, 26, 26, 0.6);
}

.site-footer .name {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--charcoal);
}

.site-footer p {
  margin: 0.25rem 0 0;
}

.site-footer .copyright {
  margin-top: 1rem;
  font-size: 0.75rem;
}

.blockquote {
  margin-top: 2rem;
  margin-bottom: 0;
  padding: 1.25rem 1.5rem 1.25rem 1.75rem;
  border-left: 2px solid var(--gold);
  font-style: italic;
  color: var(--muted);
}

.conclusion-content {
  max-width: 48rem;
  margin: 0 auto;
  padding: 0 1.25rem 1rem;
}

@media (min-width: 768px) {
  .conclusion-content {
    padding: 0 2rem 1.5rem;
  }
}

.hero-image {
  width: 100%;
  border: 1px solid rgba(0, 0, 0, 0.08);
  margin-bottom: 3rem;
}