:root {
  --paper: #f7f9f8;
  --surface: #ffffff;
  --ink: #222422;
  --muted: #68706b;
  --line: #dfe5e1;
  --teal: #2f7d6d;
  --teal-dark: #1d5b50;
  --coral: #b85b45;
  --gold: #a67d28;
  --shadow: 0 18px 50px rgba(28, 36, 33, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(47, 125, 109, 0.38);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 30;
  transform: translateY(-140%);
  border-radius: 6px;
  background: var(--surface);
  padding: 8px 12px;
  box-shadow: var(--shadow);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
  padding: 14px clamp(20px, 5vw, 64px);
  background: rgba(247, 249, 248, 0.88);
  border-bottom: 1px solid rgba(223, 229, 225, 0.76);
  backdrop-filter: blur(16px);
}

.brand {
  font-size: 20px;
  font-weight: 800;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(12px, 3vw, 30px);
  color: #3d4540;
  font-size: 15px;
  white-space: nowrap;
}

.site-nav a {
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover {
  border-color: var(--teal);
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 82vh;
  padding: 120px clamp(22px, 6vw, 76px) 68px;
  overflow: hidden;
  color: #ffffff;
}

.hero-image,
.hero-scrim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: 64% center;
}

.hero-scrim {
  background: rgba(16, 22, 20, 0.34);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
}

.eyebrow,
.section-label {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 14px;
  font-weight: 800;
}

.hero .eyebrow {
  color: #f3d095;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.22;
}

h1 {
  font-size: 96px;
  font-weight: 900;
}

h2 {
  font-size: 44px;
  font-weight: 850;
}

h3 {
  font-size: 20px;
  font-weight: 800;
}

p {
  margin: 0;
}

.hero-lede {
  max-width: 670px;
  margin-top: 20px;
  font-size: 23px;
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button,
.contact-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 6px;
  padding: 10px 18px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.button-primary {
  background: #ffffff;
  color: var(--teal-dark);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.72);
  color: #ffffff;
}

.section,
.band-inner {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: clamp(66px, 9vw, 112px) 0;
}

.intro-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: clamp(30px, 6vw, 76px);
  align-items: start;
}

.intro-copy p {
  max-width: 720px;
  margin-top: 18px;
  color: #47504a;
  font-size: 18px;
}

.fact-list {
  display: grid;
  gap: 0;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.fact-list div {
  padding: 18px 20px;
}

.fact-list div + div {
  border-top: 1px solid var(--line);
}

.fact-list dt {
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.fact-list dd {
  margin: 0;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.fact-list a {
  color: var(--teal-dark);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.card-grid {
  display: grid;
  gap: 16px;
}

.card-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.info-card {
  min-height: 250px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 24px;
  box-shadow: 0 10px 28px rgba(28, 36, 33, 0.08);
}

.card-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 30px;
  margin-bottom: 28px;
  border-radius: 999px;
  background: rgba(47, 125, 109, 0.1);
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 900;
}

.info-card h3 {
  margin-bottom: 12px;
}

.info-card p,
.split-layout p,
.contract-grid p,
.boundary-grid p,
.timeline p,
.contact-section p {
  color: #4c5550;
}

.band-section {
  background: #edf3f1;
}

.band-inner {
  padding: clamp(66px, 9vw, 112px) 0;
}

.split-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.split-layout > div {
  border-top: 3px solid var(--teal);
  padding-top: 18px;
}

.split-layout h3 {
  margin-bottom: 12px;
}

.timeline {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 22px;
}

.timeline span {
  color: var(--gold);
  font-size: 18px;
  font-weight: 900;
}

.ai-section {
  background: #f2f0ec;
}

.contract-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.contract-grid article {
  min-height: 196px;
  border-radius: 8px;
  background: var(--surface);
  padding: 22px;
  border: 1px solid #e4dfd7;
}

.contract-grid h3 {
  margin-bottom: 12px;
  color: var(--teal-dark);
}

.boundary-panel {
  margin-top: 28px;
  border-radius: 8px;
  background: #242925;
  color: #ffffff;
  padding: clamp(24px, 4vw, 34px);
}

.boundary-panel h3 {
  margin-bottom: 20px;
}

.boundary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 28px;
}

.boundary-grid p {
  color: rgba(255, 255, 255, 0.82);
}

.boundary-grid strong {
  color: #ffffff;
}

.contact-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.contact-section p {
  max-width: 620px;
  margin-top: 14px;
  font-size: 18px;
}

.contact-link {
  flex: 0 1 auto;
  background: var(--teal-dark);
  color: #ffffff;
  box-shadow: var(--shadow);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 26px 20px 34px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 1040px) {
  .card-grid.four,
  .contract-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    min-height: 94px;
    padding: 12px 20px;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
    font-size: 14px;
  }

  .hero {
    min-height: 78vh;
    padding: 132px 20px 52px;
  }

  .hero-image {
    object-position: 70% center;
  }

  h1 {
    font-size: 68px;
  }

  h2 {
    font-size: 34px;
  }

  .hero-lede {
    font-size: 18px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section,
  .band-inner {
    width: min(100% - 32px, 1160px);
  }

  .intro-section,
  .timeline li,
  .boundary-grid,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .contact-section {
    align-items: stretch;
  }

  .contact-link {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .card-grid.four,
  .contract-grid {
    grid-template-columns: 1fr;
  }

  .info-card,
  .contract-grid article {
    min-height: auto;
  }

  h1 {
    font-size: 52px;
  }

  h2 {
    font-size: 30px;
  }
}