:root {
  --bg: #111318;
  --bg-alt: #171a20;
  --panel: #1d2128;
  --panel-strong: #20252d;
  --text: #f4efe4;
  --muted: #b9b19f;
  --accent: #d7a45c;
  --line: #313844;
  --line-strong: #4f5a69;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  --content-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(215, 164, 92, 0.06), transparent 18%),
    linear-gradient(180deg, #111318 0%, #0d1014 100%);
  color: var(--text);
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

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

code,
pre,
.eyebrow,
.site-brand__kicker,
.card-meta,
.summary-list dt,
.detail-list dt,
.caption,
.table-note,
.metric-table th,
.site-nav,
.button,
.breadcrumb,
.stat-card__label {
  font-family: "IBM Plex Mono", "Consolas", monospace;
}

p code,
li code,
td code,
dd code,
span code,
.caption code,
.table-note code {
  padding: 0.14rem 0.38rem;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: #151921;
  color: #efe8d7;
  font-size: 0.92em;
}

h1,
h2,
h3,
h4,
p,
dl,
dd,
dt,
ul {
  margin: 0;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  letter-spacing: -0.03em;
}

.site-shell {
  width: min(calc(100% - 40px), var(--content-width));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.site-brand {
  display: inline-flex;
  flex-direction: column;
  gap: 8px;
}

.site-brand__kicker,
.eyebrow,
.card-meta,
.breadcrumb {
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-brand__title {
  font-size: 1rem;
  font-weight: 600;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 0.82rem;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.inline-link:hover,
.inline-link:focus-visible {
  color: var(--accent);
}

main {
  display: grid;
  gap: 72px;
  padding-top: 40px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
  gap: 24px;
  align-items: start;
}

.hero__main,
.panel,
.experience-card,
.project-card,
.stat-card,
.contact-card,
.figure-card,
.detail-card,
.metric-table,
.callout {
  min-width: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero__main {
  padding: 36px;
}

.experience-card {
  padding: 28px;
  background:
    linear-gradient(180deg, rgba(215, 164, 92, 0.08), transparent 28%),
    var(--panel-strong);
  border-color: rgba(215, 164, 92, 0.4);
}

.experience-card__header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.experience-card__header h3 {
  margin-top: 8px;
  font-size: 1.6rem;
}

.experience-card__meta,
.experience-card__tools,
.experience-card__note {
  color: var(--muted);
  line-height: 1.6;
}

.experience-card__meta {
  margin-top: 10px;
}

.experience-card__body {
  display: grid;
  gap: 18px;
  padding-top: 18px;
}

.experience-card__scope {
  color: #ece5d6;
  font-size: 1.05rem;
  line-height: 1.72;
}

.experience-list {
  margin-top: 0;
}

.hero__aside,
.panel,
.detail-card,
.callout,
.figure-card,
.metric-table {
  padding: 28px;
}

.hero h1 {
  margin-top: 12px;
  font-size: clamp(2.8rem, 8vw, 5.4rem);
  line-height: 0.94;
}

.hero__summary {
  margin-top: 18px;
  max-width: 66ch;
  color: #ece5d6;
  font-size: 1.16rem;
  line-height: 1.72;
}

.hero__actions,
.card-actions,
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero__actions {
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-align: center;
  text-transform: uppercase;
  transition: border-color 0.16s ease, background-color 0.16s ease, transform 0.16s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button--primary {
  background: var(--accent);
  color: #1a1510;
}

.button--primary:hover,
.button--primary:focus-visible {
  background: #e3b573;
}

.button--subtle {
  border-color: rgba(215, 164, 92, 0.4);
  background: rgba(215, 164, 92, 0.14);
  color: var(--text);
}

.button--ghost {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--text);
}

.button--ghost:hover,
.button--ghost:focus-visible {
  border-color: var(--accent);
}

.summary-list {
  display: grid;
  gap: 18px;
  margin-top: 12px;
}

.summary-list div,
.detail-list div {
  display: grid;
  gap: 6px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.summary-list div:first-child,
.detail-list div:first-child {
  padding-top: 0;
  border-top: 0;
}

.summary-list dt,
.detail-list dt {
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.summary-list dd,
.detail-list dd {
  line-height: 1.6;
}

.section {
  display: grid;
  gap: 24px;
}

.section-heading {
  display: grid;
  gap: 10px;
  max-width: 70ch;
}

.section-heading h2 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  line-height: 1.04;
}

.section-heading p {
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.68;
}

.project-stack {
  display: grid;
  gap: 18px;
}

.project-card {
  padding: 26px;
}

.project-card--featured {
  background:
    linear-gradient(180deg, rgba(215, 164, 92, 0.08), transparent 28%),
    var(--panel-strong);
  border-color: rgba(215, 164, 92, 0.4);
}

.project-card__header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.project-card__header h3 {
  margin-top: 8px;
  font-size: 1.6rem;
}

.project-card__body {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  padding-top: 18px;
}

.project-card__body h4 {
  margin-bottom: 10px;
  font-size: 0.98rem;
}

.project-card__body p {
  color: var(--muted);
  line-height: 1.65;
}

.evidence-grid,
.contact-grid,
.detail-grid,
.figure-grid,
.metric-grid {
  display: grid;
  gap: 18px;
}

.evidence-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.stat-card {
  padding: 22px;
}

.stat-card__value {
  display: block;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--accent);
  font-size: 2rem;
  line-height: 1;
}

.stat-card__label {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.6;
  letter-spacing: 0.05em;
}

.bullet-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  padding-left: 20px;
  color: var(--muted);
}

.bullet-list li {
  line-height: 1.6;
}

.contact-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-card {
  display: grid;
  gap: 12px;
  padding: 22px;
}

.contact-card strong {
  font-size: 1.08rem;
}

.contact-card span:last-child {
  color: var(--muted);
  line-height: 1.55;
}

.site-footer {
  margin-top: 56px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer p {
  line-height: 1.6;
}

.case-shell {
  display: grid;
  gap: 56px;
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.case-hero {
  display: grid;
  gap: 18px;
  min-width: 0;
  padding: 34px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.case-hero h1 {
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  line-height: 0.98;
  overflow-wrap: anywhere;
}

.case-hero > p:not(.eyebrow):not(.breadcrumb) {
  max-width: 70ch;
  color: #ece5d6;
  font-size: 1.1rem;
  line-height: 1.72;
  overflow-wrap: anywhere;
}

.case-hero .eyebrow,
.case-hero .breadcrumb {
  line-height: 1.4;
}

.evidence-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.evidence-chip {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: var(--panel);
  border: 1px solid var(--line);
}

.evidence-chip strong {
  display: block;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: clamp(1.05rem, 1.15vw, 1.3rem);
  line-height: 1.18;
  color: var(--accent);
  overflow-wrap: anywhere;
}

.evidence-chip span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.detail-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.detail-card h3,
.figure-card h3,
.metric-table h3,
.callout h3 {
  margin-bottom: 14px;
  font-size: 1.22rem;
}

.detail-list {
  display: grid;
  gap: 16px;
}

.figure-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
}

.figure-card p,
.callout p,
.metric-table p {
  color: var(--muted);
  line-height: 1.62;
  overflow-wrap: anywhere;
}

.caption,
.table-note {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.6;
}

.diagram {
  margin-top: 18px;
  overflow-x: auto;
  padding: 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: #14171d;
}

.diagram svg {
  width: 100%;
  height: auto;
}

.diagram svg text {
  fill: var(--text);
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 12px;
}

.diagram svg .label-strong {
  fill: var(--accent);
}

.diagram svg .node {
  fill: #1d2128;
  stroke: #566273;
  stroke-width: 1.4;
}

.diagram svg .node-alt {
  fill: #171a20;
  stroke: var(--accent);
  stroke-width: 1.6;
}

.diagram svg .future {
  fill: rgba(215, 164, 92, 0.08);
  stroke: rgba(215, 164, 92, 0.7);
  stroke-dasharray: 6 6;
}

.diagram svg .arrow {
  fill: none;
  stroke: #8a95a6;
  stroke-width: 1.8;
  marker-end: url(#arrowhead);
}

.code-block {
  margin-top: 18px;
  overflow-x: auto;
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: #14171d;
}

.code-block pre {
  color: #efe8d7;
  font-size: 0.84rem;
  line-height: 1.7;
}

.metric-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-table table {
  width: 100%;
  margin-top: 16px;
  border-collapse: collapse;
}

.metric-table th,
.metric-table td {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.metric-table th {
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.metric-table td {
  color: var(--muted);
}

.metric-table td strong {
  color: var(--text);
}

.bars {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.bar-row {
  display: grid;
  grid-template-columns: 110px 1fr 72px;
  gap: 12px;
  align-items: center;
}

.bar-track {
  height: 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #151921;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, rgba(215, 164, 92, 0.5), rgba(215, 164, 92, 0.95));
}

.bar-row span {
  color: var(--muted);
  line-height: 1.4;
}

.callout {
  padding: 24px;
  border-color: rgba(215, 164, 92, 0.36);
  background:
    linear-gradient(180deg, rgba(215, 164, 92, 0.08), transparent 36%),
    var(--panel);
}

.status-list {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.status-item {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: #151921;
}

.status-item strong {
  display: block;
  margin-bottom: 6px;
}

.status-item p {
  color: var(--muted);
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.note-panel {
  border-left: 4px solid var(--accent);
}

.note-panel p {
  color: var(--text);
  font-size: 1.02rem;
  line-height: 1.7;
}

.inline-link {
  color: var(--accent);
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: calc(100vh - 120px);
}

.empty-state .panel {
  max-width: 520px;
  text-align: center;
}

@media (max-width: 1080px) {
  .hero,
  .figure-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .project-card__body,
  .evidence-grid,
  .metric-grid,
  .evidence-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-shell {
    width: min(calc(100% - 24px), var(--content-width));
    padding-top: 20px;
    padding-bottom: 48px;
  }

  .site-header,
  .experience-card__header,
  .project-card__header {
    flex-direction: column;
    align-items: flex-start;
  }

  main {
    gap: 56px;
    padding-top: 28px;
  }

  .hero__main,
  .hero__aside,
  .experience-card,
  .project-card,
  .figure-card,
  .panel,
  .metric-table,
  .detail-card,
  .callout {
    padding: 22px;
  }

  .case-hero h1 {
    font-size: 2rem;
  }

  .case-hero > p:not(.eyebrow):not(.breadcrumb) {
    font-size: 1rem;
  }

  .project-card__body,
  .evidence-grid,
  .contact-grid,
  .metric-grid,
  .evidence-strip {
    grid-template-columns: 1fr;
  }

  .site-nav {
    gap: 12px;
  }

  .bar-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}