:root {
  --ink: #142421;
  --pine: #173f39;
  --mint: #b9e0d2;
  --cream: #f2ede1;
  --paper: #fffdf8;
  --line: #d8ddd6;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: inherit; text-decoration: none; }

.site-nav {
  height: 78px;
  padding: 0 clamp(22px, 7vw, 108px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 248, .94);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .21em;
}
.brand i {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-family: Georgia, serif;
  font-size: 17px;
  font-style: normal;
  letter-spacing: 0;
}
.status {
  color: #5b6d68;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .17em;
}

.hero {
  min-height: 650px;
  padding: 100px clamp(24px, 8vw, 124px);
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  align-items: center;
  gap: 9vw;
  background:
    radial-gradient(circle at 80% 28%, rgba(185, 224, 210, .75), transparent 27%),
    linear-gradient(140deg, var(--cream), #faf8f1);
}
.kicker {
  margin: 0 0 20px;
  color: #47736b;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
}
.hero h1,
.section-intro h2,
.closing h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -.04em;
}
.hero h1 {
  max-width: 850px;
  font-size: clamp(54px, 7vw, 94px);
  line-height: .94;
}
.lede {
  max-width: 710px;
  margin: 30px 0 0;
  color: #596662;
  font-size: 19px;
  line-height: 1.65;
}
.principle-card {
  padding: 38px;
  background: var(--pine);
  color: #fff;
  box-shadow: 22px 22px 0 rgba(23, 63, 57, .08);
}
.principle-card > span {
  color: #a8c7be;
  font-size: 10px;
  letter-spacing: .17em;
}
.principle-card p {
  margin: 30px 0 38px;
  font-family: Georgia, serif;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.25;
}
.model-lines {
  display: grid;
  gap: 9px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.18);
}
.model-lines i {
  display: block;
  height: 6px;
  background: rgba(185, 224, 210, .26);
}
.model-lines i:nth-child(1) { width: 88%; }
.model-lines i:nth-child(2) { width: 68%; }
.model-lines i:nth-child(3) { width: 78%; }

.approach { padding: 96px clamp(24px, 8vw, 124px); }
.section-intro {
  display: grid;
  grid-template-columns: .6fr 1.4fr;
  gap: 40px;
  align-items: start;
}
.section-intro h2,
.closing h2 {
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.05;
}
.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 60px;
  border: 1px solid var(--line);
  background: var(--line);
}
.principle-grid article { padding: 34px; background: #fff; }
.principle-grid article > b { color: #6f827d; font-size: 11px; }
.principle-grid h3 {
  margin: 24px 0 16px;
  font-family: Georgia, serif;
  font-size: 27px;
  font-weight: 400;
}
.principle-grid p {
  margin: 0;
  color: #64716d;
  line-height: 1.65;
}

.closing {
  padding: 96px clamp(24px, 8vw, 124px);
  text-align: center;
  background: var(--pine);
  color: #fff;
}
.closing .kicker { color: #a8c7be; }
.closing h2 { max-width: 900px; margin: auto; }
.closing > p:last-child {
  margin: 28px auto 0;
  color: #b9c8c4;
  font-size: 14px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

footer {
  padding: 40px clamp(22px, 7vw, 108px);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  background: #0d1a18;
  color: #d8e2df;
}
footer p {
  text-align: center;
  color: #8fa19c;
  font-family: Georgia, serif;
}
footer small { text-align: right; color: #71847f; }

@media (max-width: 850px) {
  .hero,
  .section-intro { grid-template-columns: 1fr; }
  .principle-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .principle-card { max-width: 550px; }
}

@media (max-width: 600px) {
  .site-nav { padding: 0 18px; }
  .hero,
  .approach,
  .closing { padding: 66px 20px; }
  .hero h1 { font-size: 52px; }
  .status { font-size: 9px; }
  footer {
    grid-template-columns: 1fr;
    gap: 18px;
    text-align: center;
  }
  footer .brand { justify-content: center; }
  footer small { text-align: center; }
}