:root {
  color-scheme: light;
  --ink: #202124;
  --muted: #5d6672;
  --line: #dbe2ea;
  --paper: #f8fafc;
  --white: #ffffff;
  --green: #2f6f5e;
  --blue: #315f9d;
  --gold: #b8832f;
  --shadow: 0 18px 50px rgba(32, 33, 36, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 0 clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(219, 226, 234, 0.9);
  background: rgba(248, 250, 252, 0.94);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 8px;
  color: var(--white);
  background: var(--green);
  font-weight: 800;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav a:hover {
  color: var(--green);
}

main {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  min-height: calc(100vh - 72px);
  padding: clamp(42px, 7vw, 92px) 0;
}

.hero-copy {
  max-width: 620px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.08;
  font-weight: 800;
}

.lead {
  max-width: 560px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
}

.photo-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.photo-panel img {
  display: block;
  width: 100%;
  height: auto;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 24px 0 64px;
}

.content-block {
  min-height: 230px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.block-index {
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
}

.content-block h2,
.contact h2 {
  margin: 10px 0 14px;
  font-size: 24px;
  line-height: 1.25;
}

.content-block p,
.contact p,
.contact dd {
  color: var(--muted);
}

.contact {
  margin-bottom: 70px;
  padding: clamp(28px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.contact dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 26px 0 0;
}

.contact dt {
  margin-bottom: 6px;
  color: var(--ink);
  font-weight: 700;
}

.contact dd {
  margin: 0;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 20px;
  padding: 26px 20px 34px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: var(--white);
  font-size: 14px;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--blue);
}

.site-footer span {
  margin-left: 14px;
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .section-grid,
  .contact dl {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  main {
    width: min(100% - 28px, 1160px);
  }

  .nav {
    gap: 6px 14px;
  }

  .content-block,
  .contact {
    padding: 22px;
  }

  .site-footer span {
    display: block;
    margin: 4px 0 0;
  }
}