:root {
  --background: #f7f6f1;
  --foreground: #161713;
  --muted: #65685f;
  --line: #d9d7cb;
  --ink: #223029;
  --accent: #1f7a63;
  --accent-dark: #155341;
  --signal: #d49726;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
  color: var(--foreground);
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(34, 48, 41, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(34, 48, 41, 0.05) 1px, transparent 1px),
    var(--background);
  background-size: 56px 56px;
  color: var(--foreground);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

main {
  min-height: 100vh;
}

.hero,
.work-hero {
  padding: 24px clamp(20px, 4vw, 64px) 72px;
}

.site-nav {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1180px;
}

.brand {
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
}

.nav-links {
  align-items: center;
  display: flex;
  gap: clamp(14px, 3vw, 28px);
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a:hover,
.site-footer a:hover {
  color: var(--accent-dark);
}

.hero-grid {
  display: grid;
  gap: clamp(32px, 6vw, 78px);
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  margin: 96px auto 0;
  max-width: 1180px;
}

.hero-copy h1,
.work-hero-copy h1 {
  color: var(--ink);
  font-size: clamp(3rem, 8vw, 7.6rem);
  letter-spacing: 0;
  line-height: 0.92;
  margin: 0;
  max-width: 920px;
}

.kicker {
  color: var(--accent-dark);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  margin: 0 0 18px;
  text-transform: uppercase;
}

.hero-lede,
.work-hero-copy p,
.section-copy {
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  line-height: 1.55;
}

.hero-lede {
  margin: 28px 0 0;
  max-width: 690px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  align-items: center;
  border: 1px solid var(--ink);
  border-radius: 6px;
  display: inline-flex;
  font-weight: 700;
  min-height: 48px;
  padding: 0 18px;
}

.button.primary {
  background: var(--ink);
  color: #fffdf7;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.54);
  color: var(--ink);
}

.signal-panel {
  align-self: end;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(34, 48, 41, 0.12);
  display: grid;
  gap: 24px;
  padding: 28px;
}

.signal-panel p,
.signal-panel a {
  display: block;
  line-height: 1.45;
  margin: 0;
}

.signal-panel a {
  color: var(--accent-dark);
  margin-top: 5px;
  overflow-wrap: anywhere;
}

.panel-label {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  margin-bottom: 6px !important;
  text-transform: uppercase;
}

.metric-band {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-card {
  background: rgba(255, 255, 255, 0.48);
  min-height: 230px;
  padding: clamp(24px, 4vw, 42px);
}

.metric-card + .metric-card {
  border-left: 1px solid var(--line);
}

.metric-card strong {
  color: var(--ink);
  display: block;
  font-size: clamp(2.8rem, 5vw, 5.2rem);
  letter-spacing: 0;
  line-height: 0.9;
}

.metric-card span {
  color: var(--accent-dark);
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  margin-top: 18px;
  text-transform: uppercase;
}

.metric-card p {
  color: var(--muted);
  line-height: 1.5;
  margin: 14px 0 0;
  max-width: 300px;
}

.section {
  margin: 0 auto;
  max-width: 1180px;
  padding: 86px clamp(20px, 4vw, 64px);
}

.split-section,
.toolkit-section {
  display: grid;
  gap: clamp(28px, 6vw, 80px);
  grid-template-columns: 0.78fr 1.22fr;
}

.section h2,
.education-section h2 {
  color: var(--ink);
  font-size: clamp(2.1rem, 4vw, 4rem);
  letter-spacing: 0;
  line-height: 1;
  margin: 0;
}

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

.case-study {
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.case-study p,
.company {
  color: var(--signal);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  margin: 0 0 10px;
  text-transform: uppercase;
}

.case-study h3 {
  color: var(--ink);
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  letter-spacing: 0;
  line-height: 1.08;
  margin: 0 0 12px;
}

.case-study span {
  color: var(--muted);
  display: block;
  line-height: 1.55;
}

.tag-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tag-grid span {
  background: var(--ink);
  border-radius: 6px;
  color: #fffdf7;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.86rem;
  font-weight: 700;
  padding: 16px;
  text-transform: uppercase;
}

.site-footer {
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1180px;
  padding: 28px clamp(20px, 4vw, 64px) 38px;
}

.site-footer p {
  color: var(--ink);
  font-weight: 700;
  margin: 0;
}

.site-footer div {
  display: flex;
  gap: 22px;
}

.work-hero {
  border-bottom: 1px solid var(--line);
}

.work-hero-copy {
  margin: 92px auto 0;
  max-width: 1180px;
}

.work-hero-copy p:last-child {
  max-width: 760px;
}

.timeline {
  margin: 0 auto;
  max-width: 1180px;
  padding: 28px clamp(20px, 4vw, 64px) 0;
}

.role {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: clamp(22px, 5vw, 72px);
  grid-template-columns: 260px minmax(0, 1fr);
  padding: 44px 0;
}

.role-meta p {
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.84rem;
  font-weight: 700;
  margin: 0 0 8px;
  text-transform: uppercase;
}

.role-meta span {
  color: var(--muted);
  display: block;
  line-height: 1.45;
}

.role-body h2 {
  color: var(--ink);
  font-size: clamp(1.75rem, 3vw, 3rem);
  letter-spacing: 0;
  line-height: 1;
  margin: 0;
}

.role-summary {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.55;
  margin: 18px 0 22px;
  max-width: 760px;
}

.role ul {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 0;
  max-width: 850px;
  padding: 0;
}

.role li {
  color: #373a33;
  line-height: 1.5;
  padding-left: 24px;
  position: relative;
}

.role li::before {
  background: var(--accent);
  border-radius: 999px;
  content: "";
  height: 7px;
  left: 0;
  position: absolute;
  top: 0.7em;
  width: 7px;
}

.education-section {
  margin: 0 auto;
  max-width: 1180px;
  padding: 70px clamp(20px, 4vw, 64px) 100px;
}

.education-section p:last-child {
  color: var(--muted);
  font-size: 1.08rem;
  margin: 16px 0 0;
}

@media (max-width: 860px) {
  .hero,
  .work-hero {
    padding-bottom: 52px;
  }

  .site-nav,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .hero-grid,
  .split-section,
  .toolkit-section,
  .role {
    grid-template-columns: 1fr;
  }

  .hero-grid,
  .work-hero-copy {
    margin-top: 64px;
  }

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

  .metric-card + .metric-card {
    border-left: 0;
  }

  .metric-card:nth-child(odd) {
    border-right: 1px solid var(--line);
  }

  .metric-card:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

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

@media (max-width: 560px) {
  .nav-links,
  .hero-actions,
  .site-footer div {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-copy h1,
  .work-hero-copy h1 {
    font-size: clamp(2.7rem, 16vw, 4.5rem);
  }

  .metric-band,
  .tag-grid {
    grid-template-columns: 1fr;
  }

  .metric-card,
  .metric-card:nth-child(odd),
  .metric-card:nth-child(n + 3) {
    border-left: 0;
    border-right: 0;
    border-top: 1px solid var(--line);
  }

  .metric-card:first-child {
    border-top: 0;
  }

  .button {
    justify-content: center;
    width: 100%;
  }
}