:root {
  color-scheme: light;
  --ink: #171b1d;
  --paper: #f6f7f4;
  --white: #ffffff;
  --line: #d8ddda;
  --green: #2d6b4f;
  --blue: #315d7a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}
a { color: inherit; }
.site-header {
  height: 64px;
  padding: 0 clamp(20px, 5vw, 72px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.brand { font-size: 18px; font-weight: 750; text-decoration: none; }
nav { display: flex; gap: 24px; }
nav a { color: #455054; font-size: 14px; text-decoration: none; }
nav a:hover { color: var(--green); }
.hero {
  position: relative;
  min-height: min(720px, calc(100vh - 104px));
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #1d2224;
}
.hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background: rgba(10, 16, 18, 0.58);
}
.hero-content {
  position: relative;
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 80px clamp(20px, 5vw, 72px) 88px;
  color: var(--white);
}
.eyebrow, .section-label {
  margin: 0 0 14px;
  color: #b9d7c9;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}
h1 { margin: 0; font-size: clamp(52px, 9vw, 112px); line-height: 0.94; letter-spacing: 0; }
.hero-content > p:last-child { max-width: 620px; margin: 28px 0 0; font-size: 19px; line-height: 1.6; color: #e4e9e6; }
.intro {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 88px 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
  gap: 64px;
  border-bottom: 1px solid var(--line);
}
.section-label { color: var(--green); }
h2 { max-width: 680px; margin: 0; font-size: 42px; line-height: 1.12; letter-spacing: 0; }
.intro > p { margin: 30px 0 0; color: #566064; font-size: 17px; line-height: 1.75; }
.principles {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 96px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.principles article {
  min-height: 220px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.principles span { color: var(--blue); font-size: 13px; font-weight: 800; }
h3 { margin: 46px 0 12px; font-size: 20px; }
.principles p { margin: 0; color: #5f696d; line-height: 1.65; }
footer {
  min-height: 72px;
  padding: 0 clamp(20px, 5vw, 72px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #657074;
  background: var(--white);
  border-top: 1px solid var(--line);
  font-size: 13px;
}
@media (max-width: 720px) {
  .site-header { height: 58px; }
  nav { gap: 16px; }
  .hero { min-height: 650px; }
  .hero-content { padding-bottom: 64px; }
  .intro { grid-template-columns: 1fr; gap: 20px; padding: 64px 0; }
  h2 { font-size: 34px; }
  .intro > p { margin-top: 0; }
  .principles { grid-template-columns: 1fr; padding: 48px 0 72px; }
  .principles article { min-height: 190px; }
  h3 { margin-top: 32px; }
}