:root {
  color-scheme: light;
  --ink: #101713;
  --ink-soft: #24352c;
  --muted: #627068;
  --paper: #f7f5ef;
  --paper-2: #ebe7db;
  --gold: #c79b45;
  --jade: #2e8065;
  --clay: #b35f3d;
  --white: #ffffff;
  --line: rgba(16, 23, 19, 0.13);
  --shadow: 0 24px 70px rgba(16, 23, 19, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial,
    sans-serif;
  line-height: 1.65;
}

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

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  color: var(--white);
  background: linear-gradient(180deg, rgba(10, 15, 12, 0.88), rgba(10, 15, 12, 0.28));
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 260px;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--ink);
  background: var(--gold);
  border-radius: 8px;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.15;
}

.brand strong {
  font-size: 15px;
}

.brand small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  margin-top: 3px;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 26px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

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

.nav-cta,
.button,
.contact-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
}

.nav-cta {
  padding: 0 16px;
  color: var(--ink);
  background: var(--white);
  font-size: 14px;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
}

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

.hero-image {
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(6, 10, 8, 0.9), rgba(6, 10, 8, 0.64) 38%, rgba(6, 10, 8, 0.12) 74%),
    linear-gradient(180deg, rgba(6, 10, 8, 0.25), rgba(6, 10, 8, 0.55));
}

.hero-content {
  position: relative;
  width: min(780px, calc(100% - 36px));
  padding: 140px 0 58px clamp(18px, 6vw, 88px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.25;
}

.hero-copy {
  max-width: 690px;
  color: rgba(255, 255, 255, 0.83);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 42px;
}

.button {
  padding: 0 20px;
}

.button.primary {
  color: var(--ink);
  background: var(--gold);
}

.button.ghost {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.28);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(96px, 1fr));
  gap: 14px;
  max-width: 620px;
  margin: 0;
}

.hero-metrics div {
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.hero-metrics dt {
  font-size: 30px;
  font-weight: 800;
}

.hero-metrics dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.section-inner {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
}

.intro-band,
.section,
.split-section,
.governance,
.contact-section {
  padding: clamp(64px, 9vw, 112px) 0;
}

.intro-band {
  background: var(--ink);
  color: var(--white);
}

.intro-grid,
.split-grid,
.governance-grid,
.contact-grid,
.outcomes {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 78px);
  align-items: start;
}

.intro-grid p:last-child {
  color: rgba(255, 255, 255, 0.76);
  font-size: 18px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.section-heading.wide {
  max-width: 880px;
}

.section-heading p,
.split-copy p,
.outcome-copy p,
.contact-grid p {
  color: var(--muted);
}

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

.feature-card {
  min-height: 280px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 32px rgba(16, 23, 19, 0.06);
}

.feature-icon {
  display: inline-grid;
  width: 44px;
  height: 44px;
  margin-bottom: 28px;
  place-items: center;
  color: var(--white);
  background: var(--jade);
  border-radius: 8px;
  font-weight: 800;
  font-size: 13px;
}

.feature-card p,
.process p,
.master-list span,
.outcome-list p {
  color: var(--muted);
}

.split-section {
  background: var(--paper-2);
}

.split-copy {
  position: sticky;
  top: 110px;
}

.note {
  padding-left: 18px;
  border-left: 3px solid var(--clay);
  color: var(--ink-soft) !important;
}

.master-list {
  display: grid;
  gap: 14px;
}

.master-list article {
  padding: 22px 24px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(16, 23, 19, 0.12);
  border-radius: 8px;
}

.master-list strong,
.master-list span {
  display: block;
}

.master-list span {
  margin-top: 6px;
}

.muted {
  background: #f0eee6;
}

.process {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.process article {
  min-height: 260px;
  padding: 26px;
  background: var(--paper);
}

.process span {
  display: inline-block;
  margin-bottom: 36px;
  color: var(--jade);
  font-weight: 800;
}

.outcome-list {
  display: grid;
  gap: 16px;
}

.outcome-list p {
  margin: 0;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.governance {
  color: var(--white);
  background: var(--ink);
}

.governance ul {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: rgba(255, 255, 255, 0.78);
}

.governance li {
  padding-left: 22px;
  border-left: 3px solid var(--gold);
}

.contact-section {
  background:
    linear-gradient(120deg, rgba(46, 128, 101, 0.13), transparent 42%),
    var(--paper);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-form label,
.contact-form span {
  display: block;
}

.contact-form label span {
  margin-bottom: 7px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: #fbfaf6;
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form button {
  width: 100%;
  padding: 0 18px;
  color: var(--white);
  background: var(--ink);
  font: inherit;
}

.form-hint {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.site-footer {
  padding: 28px 0;
  color: rgba(255, 255, 255, 0.72);
  background: #070a08;
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-grid p {
  margin: 0;
}

.footer-grid div {
  display: flex;
  gap: 20px;
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .hero-content {
    width: min(100% - 36px, 760px);
    padding-left: 0;
    margin: 0 auto;
  }

  .intro-grid,
  .split-grid,
  .governance-grid,
  .contact-grid,
  .outcomes {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .process {
    grid-template-columns: 1fr 1fr;
  }

  .split-copy {
    position: static;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand {
    min-width: 0;
    max-width: calc(100vw - 90px);
  }

  .brand strong {
    overflow: hidden;
    font-size: 14px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .brand small,
  .nav-cta span:first-child {
    display: none;
  }

  .nav-cta {
    width: 42px;
    padding: 0;
  }

  .hero {
    min-height: 94vh;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(6, 10, 8, 0.88), rgba(6, 10, 8, 0.56)),
      linear-gradient(180deg, rgba(6, 10, 8, 0.1), rgba(6, 10, 8, 0.78));
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 31px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .hero-metrics,
  .feature-grid,
  .process {
    grid-template-columns: 1fr;
  }

  .process article {
    min-height: auto;
  }

  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
  }
}