:root {
  color-scheme: light;
  --bg: #f7f5ef;
  --surface: #ffffff;
  --surface-muted: #ece7dd;
  --ink: #17201c;
  --muted: #5e6862;
  --line: #d9d3c6;
  --green: #285b45;
  --blue: #254f7a;
  --gold: #b7822a;
  --rust: #8d4f38;
  --shadow: 0 18px 45px rgba(23, 32, 28, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

.site-header,
.site-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-header {
  padding: 24px 0;
}

.brand {
  font-weight: 800;
  letter-spacing: 0;
}

nav,
.site-footer div {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: auto;
  display: block;
  padding: 56px 0 72px;
}

.hero-copy {
  max-width: 820px;
}

.eyebrow,
.status {
  margin: 0;
  color: var(--rust);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(44px, 6vw, 82px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: 0;
}

.hero-text,
.section-heading p,
.split > div > p,
.callout p {
  max-width: 720px;
  color: var(--muted);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 750;
}

.button.primary {
  color: #fff;
  background: var(--green);
  border-color: var(--green);
}

.button.secondary {
  color: var(--green);
  background: rgba(255, 255, 255, 0.5);
}

.hero-panel {
  display: grid;
  gap: 14px;
}

.portrait-card,
.work-card,
.workbench,
.agenda-list article,
.callout {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.portrait-card {
  overflow: hidden;
}

.portrait-card img {
  display: block;
  width: 100%;
  aspect-ratio: 5 / 6;
  object-fit: cover;
  object-position: center top;
}

.portrait-card p {
  margin: 0;
  padding: 18px 20px 20px;
  color: var(--muted);
  font-size: 15px;
}

.metric {
  display: block;
  color: var(--green);
  font-size: 42px;
  font-weight: 850;
  line-height: 1;
}

.label {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.brand-strip {
  display: grid;
  gap: 18px;
  padding: 28px 0 56px;
}

.brand-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  min-width: 112px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark img {
  display: block;
  width: auto;
  max-width: 118px;
  max-height: 28px;
  object-fit: contain;
}

.brand-mark-combo {
  gap: 9px;
  min-width: 0;
}

.brand-mark-combo span {
  white-space: nowrap;
}

.brand-mark-berkeley-engineering {
  min-width: 238px;
}

.brand-mark-berkeley-engineering img {
  max-width: 220px;
  max-height: 36px;
}

.brand-mark-hbs {
  color: #101820;
}

.brand-mark-hbs img {
  max-width: 28px;
  max-height: 34px;
}

.brand-mark-appconomy {
  color: var(--ink);
  font-size: 16px;
}

.brand-mark-appconomy img {
  max-width: 28px;
  max-height: 28px;
}

.section {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  gap: 8px;
  margin-bottom: 28px;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.work-card {
  padding: 24px;
}

.work-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
  gap: 22px;
  align-items: center;
  border-color: rgba(40, 91, 69, 0.28);
}

.work-card.wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(240px, 0.55fr) minmax(0, 1.45fr);
  gap: 22px;
  align-items: center;
}

.case-card {
  display: grid;
  gap: 18px;
}

.work-card-media {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--surface-muted);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
}

.work-card-media img {
  display: block;
  width: auto;
  max-width: 100%;
  height: 520px;
  object-fit: contain;
  object-position: top center;
}

.work-card p:not(.status) {
  color: var(--muted);
}

.simple-card {
  display: block;
}

.work-note {
  margin: 14px 0 0;
  color: var(--ink);
  font-size: 15px;
}

.text-link {
  display: inline-flex;
  margin-top: 18px;
  color: var(--green);
  font-weight: 800;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 32px;
  align-items: start;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: 28px;
  align-items: start;
  padding: 28px 0 70px;
}

.about-copy {
  display: grid;
  gap: 18px;
}

.about-copy article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 24px;
}

.agenda-list {
  display: grid;
  gap: 14px;
}

.agenda-list article {
  padding: 22px;
}

.agenda-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.callout {
  margin: 64px 0;
  padding: 34px;
  border-color: rgba(37, 79, 122, 0.25);
}

.notes-list {
  display: grid;
  gap: 16px;
  padding: 28px 0 70px;
}

.note-card {
  display: grid;
  gap: 8px;
  max-width: 900px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.note-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.site-footer {
  padding: 32px 0 44px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer p {
  margin-bottom: 0;
}

.case-hero {
  padding: 48px 0 38px;
  border-top: 1px solid var(--line);
}

.case-hero h1 {
  max-width: 900px;
}

.case-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.case-summary div,
.case-section,
.case-image {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.case-summary div {
  padding: 18px;
}

.case-summary span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-summary strong {
  display: block;
  margin-top: 7px;
  font-size: 16px;
}

.case-layout {
  display: grid;
  grid-template-columns: minmax(0, 900px);
  gap: 18px;
  align-items: start;
  justify-content: start;
  padding: 28px 0 70px;
}

.case-main {
  display: grid;
  gap: 18px;
}

.case-section {
  padding: 24px;
}

.case-section p,
.case-section li {
  color: var(--muted);
}

.case-section ul,
.case-section ol {
  padding-left: 20px;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.flow-card {
  padding: 18px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.flow-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-bottom: 12px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.flow-card h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.flow-card p {
  margin-bottom: 0;
}

.eval-snippet {
  margin: 10px 0 0;
  padding: 14px;
  overflow-x: auto;
  background: var(--surface-muted);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.45;
  white-space: pre-wrap;
}

.case-image {
  overflow: hidden;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.screenshot-grid .case-image {
  margin: 0;
}

.screenshot-grid .case-image img {
  width: auto;
  max-width: 100%;
  height: 600px;
  margin: 0 auto;
  object-fit: contain;
}

.case-image img {
  display: block;
  width: 100%;
  height: auto;
}

.case-image figcaption {
  padding: 12px 16px;
  color: var(--muted);
  font-size: 13px;
}

.pull-quote {
  margin: 20px 0;
  padding: 20px 22px;
  background: var(--surface-muted);
  border-left: 4px solid var(--green);
  border-radius: 8px;
}

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

@media (max-width: 820px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .split,
  .about-grid,
  .work-grid,
  .work-card.featured,
  .work-card.wide,
  .flow-grid,
  .screenshot-grid,
  .case-layout,
  .case-summary {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 34px;
  }

  .work-card-media img {
    width: 100%;
    height: auto;
  }

  .screenshot-grid .case-image img {
    width: 100%;
    height: auto;
  }
}

@media (max-width: 520px) {
  nav,
  .site-footer div {
    flex-wrap: wrap;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .work-card,
  .callout {
    padding: 20px;
  }
}