:root {
  --dark-bg: #0A0D10;
  --dark-fg: #ECEEF0;
  --dark-muted: #7A858E;
  --dark-rule: rgba(236, 238, 240, 0.08);
  --light-bg: #F8F8F5;
  --light-fg: #14181A;
  --light-muted: #555A5F;
  --light-rule: rgba(20, 24, 26, 0.10);
  --accent: #2DD4BF;
  --accent-deep: #0F766E;
  --accent-soft: rgba(15, 118, 110, 0.25);
  --sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--light-bg);
  color: var(--light-fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
.container { width: 100%; max-width: 980px; margin: 0 auto; padding: 0 1.75rem; }

.dark-zone {
  background: var(--dark-bg);
  color: var(--dark-fg);
}

.site-nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.75rem 2.25rem; max-width: 1180px; margin: 0 auto;
}
.site-nav .site-mark {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}
.site-nav .site-mark:hover { color: var(--accent); }
.site-nav ul { display: flex; gap: 2.25rem; list-style: none; margin: 0; padding: 0; }
.site-nav a {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--dark-muted);
  transition: color 0.15s ease;
}
.site-nav a:hover { color: var(--accent); }

.hero { padding: 4rem 0 5rem; }
.hero h1 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(2.5rem, 6.2vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 2rem;
  max-width: 20ch;
  color: var(--dark-fg);
}
.hero h1 span.accent {
  color: var(--accent);
}
.hero .lede {
  font-family: var(--sans);
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--dark-muted);
  max-width: 56ch;
  margin-bottom: 0;
}

section {
  padding: 4rem 0;
  border-top: 1px solid var(--light-rule);
}
.section-label {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 2.5rem;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.75rem;
}
.focus-num {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--accent-deep);
  display: block;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--light-rule);
}
.focus-item h2 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.3rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 0.85rem;
  color: var(--light-fg);
}
.focus-item p {
  font-size: 0.98rem;
  color: var(--light-muted);
  line-height: 1.6;
  margin: 0;
}

.approach-body {
  font-size: 1.15rem;
  line-height: 1.55;
  max-width: 60ch;
  margin-bottom: 0;
  color: var(--light-fg);
}

.work-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.work-list li {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1.25rem;
  align-items: baseline;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--light-rule);
}
.work-list li:first-child { padding-top: 0; }
.work-list li:last-child { border-bottom: none; padding-bottom: 0; }
.work-num {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--accent-deep);
}
.work-desc {
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--light-fg);
}

.founder-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  align-items: start;
}
.founder-card { margin: 0; }
.founder-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 3px;
  background: rgba(20, 24, 26, 0.05);
  display: block;
}
.founder-card figcaption {
  margin-top: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.founder-name {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--light-fg);
}
.founder-role {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--light-muted);
  text-transform: uppercase;
}
.founder-bio p {
  font-size: 1.05rem;
  line-height: 1.65;
}
.founder-bio p:last-child { margin-bottom: 0; }

.contact { padding-bottom: 5rem; }
.contact-prompt { color: var(--light-muted); font-size: 1.05rem; margin-bottom: 0.75rem; }
.contact-email {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 1.35rem;
  letter-spacing: -0.005em;
  color: var(--accent-deep);
  border-bottom: 1px solid var(--accent-soft);
  padding-bottom: 0.08em;
  transition: border-color 0.15s ease;
  display: inline-block;
}
.contact-email:hover { border-bottom-color: var(--accent-deep); }

footer {
  border-top: 1px solid var(--light-rule);
  padding: 2rem 0 2.5rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--light-muted);
  text-align: center;
}
footer p { margin: 0; }

@media (max-width: 760px) {
  body { font-size: 16px; }
  .site-nav { padding: 1.1rem 1.25rem; }
  .site-nav ul { gap: 1.4rem; }
  .hero { padding: 2rem 0 4rem; }
  section { padding: 3.75rem 0; }
  .section-label { margin-bottom: 1.75rem; }
  .approach-body { font-size: 1.05rem; }
  .work-list li { grid-template-columns: 2.5rem 1fr; gap: 1rem; padding: 1.25rem 0; }
  .work-desc { font-size: 1rem; }
  .founder-grid { grid-template-columns: 1fr; gap: 2rem; }
  .founder-card img { max-width: 220px; }
  .focus-grid { grid-template-columns: 1fr; gap: 2.25rem; }
  .contact { padding-bottom: 4rem; }
}
