:root {
  --bg: #faf8f3;
  --panel: rgba(245, 242, 235, 0.9);
  --line: rgba(209, 206, 197, 0.4);
  --title: #8b3a3a;
  --text: #5a554c;
  --dark: #2b2a27;
  --shadow: 0 12px 28px rgba(66, 49, 31, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Arial, sans-serif;
  overflow-x: auto;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

.page-shell {
  display: flex;
  min-height: 100vh;
  min-width: 1600px;
}

.sidebar {
  position: sticky;
  top: 0;
  align-self: flex-start;
  width: 320px;
  height: 100vh;
  background: var(--panel);
  backdrop-filter: blur(6px);
  border-right: 1px solid var(--line);
  box-shadow: 1px 0 10px rgba(0, 0, 0, 0.02);
  z-index: 10;
}

.sidebar-inner {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 64px 48px 48px 64px;
}

.sidebar-divider {
  position: absolute;
  top: 96px;
  right: 24px;
  width: 1px;
  height: calc(100% - 192px);
  background: rgba(139, 58, 58, 0.2);
}

.sidebar-meta {
  margin: 0 0 56px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-meta-line {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 22px;
  line-height: 28px;
  letter-spacing: 0.02em;
  color: var(--dark);
}

.sidebar-meta-title {
  font-weight: 700;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  gap: 18px;
  overflow-y: auto;
  padding-right: 8px;
  padding-bottom: 32px;
}

.nav-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  color: inherit;
  text-decoration: none;
}

.nav-index {
  flex: 0 0 12px;
  margin-top: 6px;
  font-size: 10px;
  line-height: 15px;
  color: rgba(122, 117, 104, 0.4);
}

.nav-label {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 16px;
  line-height: 20px;
  letter-spacing: 0.025em;
  color: var(--text);
}

.nav-item.is-active .nav-index,
.nav-item.is-active .nav-label {
  color: var(--title);
}

.nav-item.is-active::before {
  content: "";
  width: 16px;
  height: 1px;
  margin-top: 10px;
  margin-left: -32px;
  background: var(--title);
  flex: 0 0 auto;
}

.content {
  width: calc(100% - 320px);
  min-width: 0;
  padding: 0;
}

.hero {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
}

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

.figma-section {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 56px 0 80px;
}

.section-copy {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 28px;
  align-items: start;
  margin-bottom: 48px;
}

.section-kicker {
  display: block;
  width: 64px;
  height: 1px;
  margin-bottom: 40px;
  background: rgba(139, 58, 58, 0.7);
}

.section-copy h2 {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 44px;
  line-height: 1.2;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--title);
}

.section-copy p {
  margin: 40px 0 0;
  max-width: 680px;
  font-size: 15px;
  line-height: 30px;
  letter-spacing: 0.02em;
  color: #4a4740;
}

.section-wide,
.section-grid-3,
.section-grid-2,
.section-grid-5,
.section-population,
.transport-section {
  display: grid;
  gap: 16px;
}

.section-wide {
  grid-template-columns: repeat(4, 1fr);
}

.section-wide .section-copy,
.section-grid-3 .section-copy,
.section-grid-2 .section-copy,
.section-grid-5 .section-copy,
.section-population .section-copy,
.transport-section .section-copy {
  grid-column: 1 / -1;
}

.section-wide .full-width-card,
.section-grid-2 .full-width-card,
.section-grid-3 .full-width-card,
.figma-section .full-width-card {
  grid-column: 1 / -1;
}

.site-introduction-gallery {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  grid-column: 1 / -1;
}

.site-introduction-gallery img:nth-child(-n + 3) {
  grid-column: span 4;
}

.site-introduction-gallery img:nth-child(n + 4) {
  grid-column: span 3;
}

.section-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

#accessibility-analysis > img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
}

.transport-section {
  grid-template-columns: repeat(3, 1fr);
  align-items: start;
}

.transport-section > .framework-label {
  margin-top: 6px;
}

.transport-usage-grid,
.transport-route-map {
  grid-column: 1 / -1;
}

.transport-usage-grid {
  display: grid;
  grid-template-columns: repeat(2, 302px);
  gap: 24px;
}

.transport-usage-grid img,
.transport-route-map {
  border: 0;
  box-shadow: none;
  background: transparent;
}

.transport-route-map {
  width: 853px;
}

.plan-section {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.plan-title {
  margin: 8px 0 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 22.4px;
  line-height: 33.6px;
  color: #3a3a3a;
}

.plan-section img {
  border: 0;
  box-shadow: none;
  background: transparent;
}

.section-final-drawings {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.section-final-drawings > .framework-label {
  margin-top: 8px;
}

.accessibility-legend {
  display: flex;
  align-items: center;
  gap: 96px;
  grid-column: 1 / -1;
  margin: 4px 0 10px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 18px;
}

.legend-dot {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  flex: 0 0 26px;
}

.legend-dot-5 {
  background: #a7695c;
}

.legend-dot-10 {
  background: #c4d1b7;
}

.legend-dot-15 {
  background: #daba87;
}

.legend-text {
  font-size: 12.8px;
  line-height: 19.2px;
  color: #5a554c;
}

.section-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.regional-section {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.regional-section .section-copy,
.regional-pair-labels,
.regional-subtitle,
.regional-thumbs-group {
  grid-column: 1 / -1;
}

.regional-pair-labels {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 4px;
}

.regional-triple-labels {
  grid-template-columns: repeat(3, 1fr);
}

.regional-pair-labels p,
.regional-subtitle,
.regional-thumb-title,
.population-section-title {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 19.2px;
  line-height: 24px;
  color: #3a3a3a;
}

.regional-pair-grid {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  align-items: stretch;
}

.regional-triple-grid {
  grid-template-columns: repeat(3, 1fr);
}

.regional-pair-grid img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
}

.regional-thumbs-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.regional-thumbs {
  display: grid;
  gap: 12px;
}

.regional-thumbs-5 {
  grid-template-columns: repeat(5, 1fr);
}

.site-analysis-section {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.site-analysis-section .section-copy {
  grid-column: 1 / -1;
}

.site-analysis-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.site-analysis-card p {
  margin: 0;
  font-size: 12px;
  line-height: 18px;
  color: #7a7568;
  text-align: center;
}

.section-grid-5 {
  grid-template-columns: repeat(5, 1fr);
}

.section-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.section-grid-4 .section-copy {
  grid-column: 1 / -1;
}

.compact-section {
  padding-top: 24px;
}

.figma-section img {
  background: #fff;
  border: 1px solid #ddd7cb;
  box-shadow: var(--shadow);
}

.thumb-row {
  display: grid;
  gap: 18px;
  grid-column: 1 / -1;
}

.thumb-row-8 {
  grid-template-columns: repeat(8, 1fr);
}

.thumb-row-4 {
  grid-template-columns: repeat(4, 1fr);
}

.thumb-row-3 {
  grid-template-columns: repeat(3, 1fr);
}

.population-layout {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 32px;
}

.population-charts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-content: start;
}

.population-section .section-copy {
  margin-bottom: 24px;
}

.population-section-title {
  margin-bottom: 18px;
}

.population-chart-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.population-chart-card p {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 14.4px;
  line-height: 21.6px;
  color: #5a554c;
}

.population-chart-card img {
  border: 0;
  box-shadow: none;
  background: transparent;
}

.placeholder-anchor {
  height: 24px;
}

.section-title-only {
  min-height: 360px;
}

.option-subtitle {
  margin: 0;
  max-width: 760px;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 22.4px;
  line-height: 33.6px;
  color: var(--title);
  font-weight: 700;
}

.option-visual-section {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.option-visual-stack {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.option-visual-stack img,
.option-framework-grid img,
.framework-four-section img {
  border: 0;
  box-shadow: none;
  background: transparent;
}

.aim-vision-section {
  padding-top: 24px;
}

.vision-replacement {
  width: 100%;
  border: 0;
  box-shadow: none;
  background: transparent;
}

.vision-statement {
  margin: 0 0 64px;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 22.4px;
  line-height: 36.4px;
  color: #3a3a3a;
  text-align: center;
}

.vision-layout {
  display: grid;
  grid-template-columns: 1fr 96px 1fr;
  gap: 24px;
  align-items: center;
}

.vision-card {
  background: #f7f5f0;
  border: 1px solid rgba(139, 58, 58, 0.1);
  padding: 24px;
}

.vision-image-wrap {
  padding: 24px;
  background: #fff;
  border: 1px solid #e5e1d8;
  box-shadow: var(--shadow);
}

.vision-list {
  margin: 24px 0 0;
  padding-left: 20px;
  color: var(--text);
}

.vision-list li {
  margin-bottom: 20px;
  line-height: 26px;
}

.vision-list li::marker {
  color: var(--title);
}

.vision-arrow-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 64px;
  opacity: 0.7;
}

.vision-arrow {
  width: 80px;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.vision-icon {
  width: 91px;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.framework-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.option-framework-grid {
  align-items: start;
}

.framework-four-section {
  gap: 28px 24px;
}

.flow-top,
.flow-bottom-grid,
.swot-grid,
.evolution-project-grid,
.evolution-grid {
  display: grid;
  gap: 20px;
}

.flow-top {
  grid-template-columns: 405px 1fr;
  align-items: start;
}

.flow-card,
.flow-bottom,
.evolution-discussion,
.evolution-project,
.option-framework-section {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.flow-section-title {
  margin: 0 0 18px;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 20.8px;
  line-height: 31.2px;
  color: var(--title);
}

.flow-density-block {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.flow-density-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px 18px;
  align-items: start;
}

.flow-density-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.flow-density-item img {
  width: 80px;
}

.flow-density-item p {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 26px;
  line-height: 1.1;
  color: #111;
}

.flow-random,
.flow-area,
.evolution-source,
.option-framework-copy {
  margin: 0;
  color: var(--text);
  line-height: 1.6;
}

.flow-side-copy {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 470px;
}

.flow-random-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.flow-random-grid img,
.flow-rate-image,
.population-chart-card img,
.tunnel-intro-grid img,
.evolution-discussion-grid img {
  border: 0;
  box-shadow: none;
  background: transparent;
}

.flow-bottom-grid {
  grid-template-columns: repeat(2, 1fr);
}

.flow-rate-title {
  margin: 10px 0 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 14.4px;
  line-height: 21.6px;
  color: #5a554c;
}

.flow-rate-image {
  width: 100%;
}

.tunnel-spacer {
  height: 240px;
}

.tunnel-figma-layout img {
  border: 0;
  box-shadow: none;
  background: transparent;
}

.tunnel-figma-layout {
  display: flex;
  flex-direction: column;
}

.tunnel-section-label {
  margin: 0 0 7px;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 20.8px;
  line-height: 31.2px;
  color: #3a3a3a;
}

.tunnel-intro-row {
  display: flex;
  gap: 25px;
  align-items: flex-start;
}

.tunnel-intro-left {
  width: 451px;
  height: 271px;
  object-fit: cover;
}

.tunnel-intro-right {
  position: relative;
  width: 468.394px;
  height: 271px;
}

.tunnel-intro-right > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

.tunnel-section-profiles {
  margin-top: 97px;
}

.tunnel-profile-row {
  display: flex;
  gap: 31px;
  align-items: flex-start;
}

.tunnel-profile-left {
  width: 544px;
  height: 243px;
  object-fit: cover;
  margin-top: 70px;
}

.tunnel-profile-right {
  width: 788px;
  height: 383px;
  object-fit: cover;
}

.tunnel-map-note {
  position: absolute;
  font-family: "Lusitana", Georgia, serif;
  font-size: 20px;
  line-height: 1;
  color: #fff;
  white-space: nowrap;
}

.tunnel-map-note-residential {
  top: 14px;
  left: 227px;
}

.tunnel-map-note-green {
  top: 74px;
  left: 142px;
}

.tunnel-map-note-open {
  top: 177px;
  left: 36px;
}

.tunnel-map-note-bridge {
  top: 38px;
  left: 351px;
}

.evolution-grid {
  grid-template-columns: repeat(5, 1fr);
  margin-bottom: 24px;
}

.evolution-grid p {
  margin: 8px 0 0;
  text-align: center;
  font-family: "Cormorant Garamond", Georgia, serif;
  color: var(--title);
  font-size: 14px;
}

.evolution-project-grid {
  grid-template-columns: 1fr 1fr 1fr 1.2fr;
  align-items: center;
}

.evolution-discussion img {
  max-width: 577px;
}

.evolution-discussion-grid {
  display: grid;
  grid-template-columns: 1fr 0.92fr;
  gap: 26px;
  align-items: start;
}

.swot-grid {
  grid-template-columns: repeat(2, 1fr);
  gap: 104px 32px;
}

.swot-detailed-section .section-copy {
  margin-bottom: 36px;
}

.swot-grid-detailed {
  gap: 56px 36px;
  align-items: start;
}

.swot-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.swot-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(139, 58, 58, 0.2);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 28.8px;
  color: #3a3a3a;
}

.swot-item img {
  width: 32px;
  border: 0;
  box-shadow: none;
  background: transparent;
}

.swot-panel-image {
  border: 0;
  box-shadow: none;
  background: transparent;
}

.swot-panel-image-strengths {
  width: 624px;
}

.swot-panel-image-weaknesses {
  width: 610px;
}

.swot-panel-image-opportunities {
  width: 624px;
}

.swot-panel-image-threats {
  width: 679px;
}

.framework-label,
.main-road-label {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 17.6px;
  line-height: 26.4px;
  color: #3a3a3a;
}

.road-label {
  font-size: 19.2px;
  line-height: 24px;
}

.main-road-section {
  padding-top: 24px;
}

.main-road-block {
  margin-bottom: 48px;
}

.footer-section {
  padding-bottom: 64px;
}

.footer-divider {
  width: 100%;
  height: 1px;
  background: rgba(139, 58, 58, 0.1);
  margin-bottom: 72px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-title {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 12px;
  line-height: 18px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dark);
}

.footer-subtitle,
.footer-copy {
  margin: 8px 0 0;
  font-size: 10px;
  line-height: 15px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(122, 117, 104, 0.6);
}

.footer-subtitle-strong {
  font-weight: 700;
}