:root {
  --gold: #c9a24a;
  --gold-soft: #e8d5a3;
  --lake: #1f5f66;
  --deep: #13221f;
  --ink: #1b1710;
  --paper: #f6f1e6;
  --muted: #6d6456;
  --card: #fffdf8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
}

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.container.narrow {
  width: min(760px, calc(100% - 40px));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246, 241, 230, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(19, 34, 31, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background:
    radial-gradient(circle at 50% 35%, var(--gold-soft), transparent 55%),
    linear-gradient(160deg, var(--lake), var(--deep));
}

.brand strong {
  display: block;
  letter-spacing: 0.12em;
  font-size: 14px;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.nav-links {
  display: flex;
  gap: 22px;
  font-size: 14px;
  color: var(--muted);
}

.hero {
  position: relative;
  min-height: 78vh;
  display: grid;
  place-items: end stretch;
  background:
    linear-gradient(180deg, rgba(19, 34, 31, 0.18), rgba(19, 34, 31, 0.72)),
    radial-gradient(circle at 20% 20%, rgba(201, 162, 74, 0.35), transparent 28%),
    linear-gradient(120deg, #2f6b63 0%, #1b3d38 42%, #c9a24a 160%);
  color: #f7f1e4;
}

.hero-inner {
  padding: 80px 0 72px;
}

.eyebrow {
  letter-spacing: 0.28em;
  font-size: 12px;
  color: var(--gold-soft);
}

.hero h1 {
  margin: 8px 0 18px;
  font-size: clamp(40px, 8vw, 84px);
  line-height: 1.1;
  font-weight: 600;
}

.hero h1 span {
  display: block;
  margin-top: 10px;
  font-size: 0.42em;
  letter-spacing: 0.18em;
  color: var(--gold-soft);
}

.lead {
  max-width: 640px;
  font-size: 18px;
  color: rgba(247, 241, 228, 0.88);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: 36px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: rgba(247, 241, 228, 0.7);
}

.intro,
.pillars,
.story,
.about {
  padding: 88px 0;
}

.kicker {
  margin: 0 0 10px;
  color: var(--lake);
  letter-spacing: 0.18em;
  font-size: 12px;
}

h2 {
  margin: 0 0 20px;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.25;
}

.section-head {
  margin-bottom: 36px;
}

.grid-3,
.grid-4,
.split,
.footer-grid {
  display: grid;
  gap: 24px;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card,
.quote-panel {
  background: var(--card);
  border: 1px solid rgba(19, 34, 31, 0.08);
  border-radius: 18px;
  padding: 28px;
}

.card h3 {
  margin-top: 0;
  color: var(--deep);
}

.split {
  grid-template-columns: 1.2fr 0.8fr;
  align-items: start;
}

.checklist {
  padding-left: 18px;
}

.quote-panel {
  background: var(--deep);
  color: #f6f1e6;
}

.quote-panel blockquote {
  margin: 0 0 18px;
  font-size: 22px;
  line-height: 1.5;
}

.numbers {
  padding: 36px 0;
  background: #efe6d4;
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
}

.numbers strong {
  display: block;
  font-size: 32px;
  color: var(--gold);
}

.site-footer {
  padding: 48px 0 56px;
  background: var(--deep);
  color: #efe6d4;
}

.footer-grid {
  grid-template-columns: 1.2fr 1fr 1fr;
  color: rgba(239, 230, 212, 0.82);
}

@media (max-width: 860px) {
  .nav-links {
    display: none;
  }

  .grid-3,
  .grid-4,
  .split,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    padding: 64px 0 48px;
  }
}