:root {
  --ink: #101817;
  --muted: #60706a;
  --line: #dce7e0;
  --paper: #f6f7f2;
  --white: #ffffff;
  --mint: #287866;
  --mint-dark: #164f43;
  --gold: #b8872e;
  --red: #b84c42;
  --soft: #edf5f0;
  --shadow: 0 20px 56px rgba(16, 24, 23, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

button,
input,
select {
  font: inherit;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(230px, 0.7fr) minmax(440px, 1fr) auto;
  align-items: center;
  gap: 18px;
  border-bottom: 1px solid rgba(220, 231, 224, 0.9);
  background: rgba(246, 247, 242, 0.92);
  padding: 14px 28px;
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
}

.brand span {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  background: var(--ink);
  color: #fff;
}

.site-nav nav {
  display: flex;
  justify-content: center;
  gap: 22px;
  color: #35423e;
  font-size: 14px;
  font-weight: 850;
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0 17px;
  font-weight: 850;
}

.nav-cta {
  background: var(--ink);
  color: #fff;
}

.button.primary {
  border-color: var(--mint);
  background: var(--mint);
  color: #fff;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
}

.hero {
  position: relative;
  min-height: calc(100vh - 67px);
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 8vh 28px;
  color: #fff;
  background: #0f1716;
}

.hero-visual {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background:
    linear-gradient(90deg, rgba(15, 23, 22, 0.9), rgba(15, 23, 22, 0.42) 55%, rgba(15, 23, 22, 0.78)),
    radial-gradient(circle at 64% 28%, rgba(40, 120, 102, 0.5), transparent 31%),
    radial-gradient(circle at 78% 70%, rgba(184, 135, 46, 0.26), transparent 28%),
    #0f1716;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15, 23, 22, 0.82), rgba(15, 23, 22, 0.12) 58%, rgba(15, 23, 22, 0.62));
}

.dashboard-card {
  position: relative;
  z-index: 1;
  width: min(1040px, 82vw);
  min-height: 520px;
  transform: rotate(-4deg) translateX(14vw);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(246, 247, 242, 0.96);
  box-shadow: 0 28px 100px rgba(0, 0, 0, 0.42);
  color: var(--ink);
  padding: 18px;
}

.dashboard-top,
.report-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
}

.dashboard-top span,
.report-head span,
.eyebrow {
  color: var(--mint);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  grid-template-rows: 280px 170px;
  gap: 14px;
  margin-top: 16px;
}

.score-card,
.map-card,
.signal-card,
.report-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.score-card {
  display: grid;
  align-content: center;
  gap: 6px;
  background: linear-gradient(160deg, var(--ink), var(--mint));
  color: #fff;
  padding: 20px;
}

.score-card span,
.score-card small {
  color: rgba(255, 255, 255, 0.78);
}

.score-card strong {
  font-size: 76px;
  line-height: 1;
}

.map-card {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(220, 231, 224, 0.75) 1px, transparent 1px),
    linear-gradient(rgba(220, 231, 224, 0.75) 1px, transparent 1px),
    #fbfcfa;
  background-size: 38px 38px;
}

.map-node {
  position: absolute;
  min-width: 118px;
  min-height: 54px;
  display: grid;
  place-items: center;
  border: 1px solid #c8d6ce;
  border-radius: 8px;
  background: #fff;
  font-size: 13px;
  font-weight: 850;
  padding: 8px;
}

.map-node.owner {
  left: 8%;
  top: 28%;
  background: var(--ink);
  color: #fff;
}

.map-node.family {
  left: 36%;
  top: 15%;
}

.map-node.asset {
  left: 40%;
  top: 60%;
  background: var(--soft);
}

.map-node.trust {
  left: 70%;
  top: 36%;
  border-color: #e8bdb7;
  background: #fff2f0;
}

.map-edge {
  position: absolute;
  height: 2px;
  transform-origin: left center;
  background: #9fafaa;
}

.e1 { left: 22%; top: 43%; width: 140px; transform: rotate(-18deg); }
.e2 { left: 23%; top: 48%; width: 170px; transform: rotate(22deg); }
.e3 { left: 57%; top: 55%; width: 160px; transform: rotate(-24deg); background: var(--red); }

.signal-card {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 160px repeat(3, 1fr);
  align-items: center;
  gap: 12px;
  padding: 16px;
}

.signal-card span {
  min-height: 54px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  background: var(--soft);
  color: #30413a;
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  padding: 8px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(820px, 100%);
}

.hero h1 {
  margin: 0;
  font-size: clamp(48px, 8vw, 106px);
  line-height: 0.95;
}

.hero-subtitle {
  max-width: 720px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 21px;
  line-height: 1.45;
}

.hero-actions,
.hero-tags,
.route-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.hero-tags span,
.route-tags span {
  border-radius: 999px;
  font-size: 13px;
  font-weight: 850;
}

.hero-tags span {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.82);
  padding: 8px 11px;
}

.band {
  scroll-margin-top: 78px;
  padding: 86px 28px;
}

.section-copy,
.value-grid,
.buyer-grid,
.system-grid,
.timeline,
.report-layout,
.model-grid,
.pricing-grid,
.faq-grid,
.demo-section {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.section-copy {
  margin-bottom: 30px;
}

.section-copy h2,
.demo-copy h2 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.14;
}

.section-copy p:not(.eyebrow),
.demo-copy p {
  max-width: 790px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.value-grid,
.buyer-grid,
.system-grid,
.model-grid,
.pricing-grid,
.faq-grid {
  display: grid;
  gap: 14px;
}

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

.system-grid,
.model-grid,
.faq-grid {
  grid-template-columns: repeat(2, 1fr);
}

.value-grid article,
.buyer-grid article,
.system-grid article,
.model-grid article,
.pricing-grid article,
.report-steps article,
.faq-grid details,
.lead-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 22px;
}

.value-grid span,
.system-grid span,
.pricing-grid span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
}

h3 {
  margin: 0;
  font-size: 19px;
}

article h3 {
  margin-top: 8px;
}

article p,
li,
details p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.buyers,
.report,
.faq {
  background: #fff;
}

.buyer-grid article b,
.model-grid article b {
  font-size: 18px;
}

.buyer-grid small {
  display: block;
  margin-top: 16px;
  color: var(--mint);
  font-size: 13px;
  font-weight: 850;
}

.workflow {
  background: #101817;
  color: #fff;
}

.workflow .section-copy p:not(.eyebrow),
.workflow .timeline p {
  color: rgba(255, 255, 255, 0.68);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.timeline div {
  min-height: 220px;
  display: grid;
  align-content: start;
  gap: 12px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  padding: 18px;
}

.timeline b {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--mint);
}

.report-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1fr);
  gap: 18px;
  align-items: stretch;
}

.report-steps {
  display: grid;
  gap: 14px;
}

.report-steps b {
  color: var(--mint);
}

.report-card {
  display: grid;
  align-content: start;
  gap: 18px;
  box-shadow: var(--shadow);
  padding: 24px;
}

.report-head b {
  border-radius: 999px;
  background: var(--soft);
  color: var(--mint);
  padding: 6px 10px;
  font-size: 12px;
}

.report-score {
  display: grid;
  grid-template-columns: 112px 1fr;
  align-items: center;
  gap: 16px;
  border-radius: 8px;
  background: linear-gradient(160deg, var(--ink), var(--mint-dark));
  color: #fff;
  padding: 18px;
}

.report-score strong {
  font-size: 72px;
  line-height: 1;
}

.report-bars {
  display: grid;
  gap: 12px;
}

.report-bars label {
  display: grid;
  gap: 7px;
  color: #33413c;
  font-size: 13px;
  font-weight: 850;
}

.report-bars i {
  display: block;
  height: 10px;
  border-radius: 999px;
  background: var(--mint);
}

.route-tags span {
  background: var(--soft);
  color: var(--mint-dark);
  padding: 7px 10px;
}

.commercial {
  background: #f0f4ef;
}

.pricing-grid article {
  display: grid;
  align-content: start;
  gap: 10px;
}

.pricing-grid h3 {
  font-size: 27px;
}

.pricing-grid ul {
  display: grid;
  gap: 9px;
  margin: 10px 0 0;
  padding-left: 18px;
}

.pricing-grid .featured {
  border-color: rgba(40, 120, 102, 0.45);
  box-shadow: var(--shadow);
}

.faq-grid summary {
  cursor: pointer;
  font-weight: 900;
}

.demo-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 18px;
  align-items: start;
  border-top: 1px solid var(--line);
}

.lead-form {
  display: grid;
  gap: 14px;
  box-shadow: var(--shadow);
}

.lead-form label {
  display: grid;
  gap: 8px;
  color: #30413a;
  font-size: 13px;
  font-weight: 850;
}

.lead-form input,
.lead-form select {
  width: 100%;
  min-height: 44px;
  border: 1px solid #cddad3;
  border-radius: 7px;
  background: #fff;
  padding: 0 12px;
}

.lead-form button {
  width: 100%;
  border: 0;
}

.form-status {
  min-height: 20px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.form-status.warn {
  color: var(--red);
}

.form-status.success {
  color: var(--mint);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding: 24px 28px;
  color: var(--muted);
  font-size: 13px;
}

.site-footer div {
  display: grid;
  gap: 5px;
}

.site-footer b {
  color: var(--ink);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 1080px) {
  .site-nav {
    grid-template-columns: 1fr auto;
  }

  .site-nav nav {
    display: none;
  }

  .dashboard-card {
    transform: rotate(-4deg) translateX(24vw);
  }

  .value-grid,
  .buyer-grid,
  .system-grid,
  .timeline,
  .report-layout,
  .model-grid,
  .pricing-grid,
  .faq-grid,
  .demo-section {
    grid-template-columns: 1fr 1fr;
  }

  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .site-nav {
    padding: 12px;
  }

  .brand b {
    display: none;
  }

  .nav-cta {
    min-height: 38px;
    padding: 0 12px;
    font-size: 13px;
  }

  .hero {
    min-height: 770px;
    align-items: end;
    padding: 110px 18px 54px;
  }

  .dashboard-card {
    width: 860px;
    opacity: 0.78;
    transform: rotate(-5deg) translate(245px, -96px) scale(0.66);
  }

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

  .band {
    padding: 62px 18px;
  }

  .value-grid,
  .buyer-grid,
  .system-grid,
  .timeline,
  .report-layout,
  .model-grid,
  .pricing-grid,
  .faq-grid,
  .demo-section {
    grid-template-columns: 1fr;
  }

  .signal-card {
    grid-template-columns: 1fr;
  }

  .report-score {
    grid-template-columns: 1fr;
  }

  .site-footer {
    display: grid;
  }
}