:root {
  --bg: #07111f;
  --bg-soft: #0a1728;
  --panel: #0f2034;
  --panel-2: #122942;
  --line: rgba(255,255,255,.12);
  --text: #f4f8fb;
  --muted: #9fb0c3;
  --accent: #33d6b2;
  --accent-2: #5ca8ff;
  --light-bg: #f4f7fa;
  --light-panel: #ffffff;
  --light-text: #0b1726;
  --light-muted: #58677a;
  --shadow: 0 24px 70px rgba(3, 12, 24, .24);
  --radius: 24px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
img { max-width: 100%; }

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}
.section { position: relative; padding: 112px 0; }
.section-light { background: var(--light-bg); color: var(--light-text); }
.section-dark { background: #091524; }
.page-shell { overflow: hidden; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  background: rgba(7, 17, 31, .74);
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(18px);
}
.nav-wrap {
  height: 76px;
  display: flex;
  align-items: center;
  gap: 34px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -.02em;
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  color: #041019;
  background: linear-gradient(135deg, var(--accent), #77f2d7);
  box-shadow: 0 0 28px rgba(51,214,178,.26);
}
.brand-text { font-size: 19px; }
.main-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 28px;
}
.main-nav a {
  color: #bac6d4;
  font-size: 14px;
  transition: .2s ease;
}
.main-nav a:hover { color: white; }
.nav-toggle { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #041019;
  background: linear-gradient(135deg, var(--accent), #76efd5);
  box-shadow: 0 14px 36px rgba(51,214,178,.2);
}
.btn-secondary {
  color: white;
  background: rgba(255,255,255,.05);
  border-color: rgba(255,255,255,.14);
}
.btn-ghost {
  color: white;
  background: rgba(255,255,255,.05);
  border-color: rgba(255,255,255,.12);
}
.btn-small { min-height: 40px; padding: 0 16px; font-size: 13px; }
.full { width: 100%; }

.hero {
  min-height: 820px;
  padding-top: 178px;
  background:
    radial-gradient(circle at 20% 25%, rgba(51,214,178,.10), transparent 35%),
    radial-gradient(circle at 85% 35%, rgba(92,168,255,.12), transparent 33%),
    #07111f;
}
.hero-grid, .map-grid-bg {
  position: absolute;
  inset: 0;
  opacity: .16;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,1), transparent 90%);
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
  pointer-events: none;
}
.glow-a {
  width: 350px;
  height: 350px;
  right: 7%;
  top: 19%;
  background: rgba(51,214,178,.06);
}
.glow-b {
  width: 300px;
  height: 300px;
  left: 12%;
  bottom: 8%;
  background: rgba(92,168,255,.05);
}
.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 76px;
  align-items: center;
}
.eyebrow {
  margin-bottom: 20px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
}
.eyebrow.dark { color: #087d69; }
.hero h1, .section-heading h2, .trial-copy h2, .network-copy h2 {
  margin: 0;
  letter-spacing: -.045em;
  line-height: 1.08;
}
.hero h1 {
  max-width: 720px;
  font-size: clamp(48px, 6vw, 76px);
}
.hero h1 span {
  background: linear-gradient(90deg, var(--accent), #8fc7ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead {
  max-width: 680px;
  margin: 28px 0 0;
  color: #afbdd0;
  font-size: 20px;
}
.hero-actions { display: flex; gap: 14px; margin-top: 38px; flex-wrap: wrap; }
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 40px;
  color: #7f91a7;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .12em;
}
.hero-trust span + span::before {
  content: "•";
  margin-right: 18px;
  color: #3c5067;
}

.hero-panel {
  border: 1px solid rgba(255,255,255,.13);
  background: linear-gradient(180deg, rgba(20,44,70,.88), rgba(9,24,40,.92));
  box-shadow: var(--shadow);
  border-radius: 28px;
  padding: 24px;
  backdrop-filter: blur(24px);
}
.panel-head, .dash-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #cbd6e1;
  font-size: 13px;
}
.status-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(51,214,178,.10), 0 0 18px rgba(51,214,178,.8);
}
.panel-meta { color: #6f839a; }
.primary-metric {
  padding: 36px 0 28px;
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.metric-label { display: block; color: #8fa2b9; font-size: 13px; }
.primary-metric strong {
  display: block;
  margin: 3px 0;
  font-size: clamp(46px, 6vw, 76px);
  line-height: 1.05;
  letter-spacing: -.05em;
}
.primary-metric small { color: #70859c; }
.mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 18px;
}
.mini-card {
  min-height: 108px;
  padding: 18px;
  border-radius: 16px;
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.07);
}
.mini-card span { display: block; color: #7f93aa; font-size: 12px; }
.mini-card strong { display: block; margin-top: 10px; font-size: 22px; }
.signal-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 20px;
  color: #8fa2b8;
  font-size: 12px;
}
.signal-bars { display: flex; align-items: end; height: 18px; gap: 3px; }
.signal-bars span { width: 4px; border-radius: 2px; background: var(--accent); }
.signal-bars span:nth-child(1){height:25%}
.signal-bars span:nth-child(2){height:45%}
.signal-bars span:nth-child(3){height:70%}
.signal-bars span:nth-child(4){height:100%}

.metric-strip {
  position: relative;
  z-index: 5;
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: #081421;
}
.metric-strip-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
}
.metric-strip-item {
  padding: 30px 24px;
  border-right: 1px solid rgba(255,255,255,.08);
}
.metric-strip-item:first-child { border-left: 1px solid rgba(255,255,255,.08); }
.metric-strip-item strong { display: block; font-size: 30px; letter-spacing: -.03em; }
.metric-strip-item span { color: #8193a8; font-size: 13px; }

.section-heading { max-width: 760px; margin-bottom: 54px; }
.section-heading h2, .network-copy h2, .trial-copy h2 {
  font-size: clamp(36px, 5vw, 58px);
}
.section-heading p, .network-copy p, .trial-copy p {
  margin-top: 22px;
  color: var(--light-muted);
  font-size: 18px;
}
.section-dark .section-heading p, .map-section .network-copy p, .trial-copy p {
  color: #91a3b8;
}

.value-grid, .use-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.value-card, .use-card {
  min-height: 260px;
  padding: 34px;
  border-radius: 22px;
  background: var(--light-panel);
  border: 1px solid #dde4eb;
  box-shadow: 0 14px 45px rgba(24,46,72,.06);
}
.value-index, .use-card > span {
  color: #087d69;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .14em;
}
.value-card h3, .use-card h3 { margin: 42px 0 12px; font-size: 24px; }
.value-card p, .use-card p { margin: 0; color: var(--light-muted); }

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 18px;
}
.capability-card {
  min-height: 260px;
  padding: 30px;
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.025));
}
.icon-wrap {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(51,214,178,.10);
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}
.capability-card h3 { margin: 46px 0 12px; font-size: 22px; }
.capability-card p { margin: 0; color: #8fa1b5; }

.validation-layout {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 34px;
  align-items: stretch;
}
.validation-dashboard {
  padding: 28px;
  border-radius: 26px;
  background: #0a1828;
  color: white;
  box-shadow: var(--shadow);
}
.dash-toolbar span { color: #7890a8; }
.dash-grid {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 13px;
  margin-top: 24px;
}
.dash-number {
  min-height: 118px;
  padding: 20px;
  border-radius: 16px;
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.065);
}
.dash-number.wide { grid-column: span 2; }
.dash-number span { display: block; color: #7f93a9; font-size: 12px; }
.dash-number strong {
  display: block;
  margin-top: 8px;
  font-size: 30px;
  letter-spacing: -.03em;
}
.progress-line {
  height: 6px;
  overflow: hidden;
  margin-top: 14px;
  border-radius: 99px;
  background: rgba(255,255,255,.07);
}
.progress-line span {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.chart-wrap { margin-top: 24px; }
.chart-bars {
  height: 130px;
  display: flex;
  align-items: end;
  gap: 12px;
  padding: 14px 12px 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.chart-bars span {
  flex: 1;
  min-width: 12px;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(180deg, rgba(51,214,178,.95), rgba(92,168,255,.28));
}
.chart-labels {
  display: flex;
  justify-content: space-between;
  color: #6f8297;
  font-size: 11px;
  padding-top: 8px;
}

.proof-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.proof-item, .proof-note {
  display: flex;
  gap: 18px;
  padding: 24px;
  border-radius: 18px;
  background: white;
  border: 1px solid #dde4eb;
}
.proof-item > span {
  color: #087d69;
  font-weight: 800;
}
.proof-item h3 { margin: 0 0 8px; font-size: 19px; }
.proof-item p, .proof-note p { margin: 0; color: var(--light-muted); }
.proof-note {
  display: block;
  background: #eaf8f4;
  border-color: #cdeee5;
}
.proof-note code { color: #087d69; }

.map-section {
  background:
    radial-gradient(circle at 65% 45%, rgba(51,214,178,.09), transparent 26%),
    #07111f;
}
.network-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.network-points {
  display: grid;
  gap: 12px;
  margin-top: 32px;
  color: #b3c0cf;
}
.network-points div { display: flex; align-items: center; gap: 10px; }
.network-points span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(51,214,178,.7);
}
.network-visual {
  position: relative;
  min-height: 500px;
  display: grid;
  place-items: center;
}
.globe-core {
  width: 190px;
  height: 190px;
  display: grid;
  place-content: center;
  text-align: center;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.16);
  background:
    radial-gradient(circle at 35% 30%, rgba(255,255,255,.12), transparent 24%),
    linear-gradient(145deg, rgba(51,214,178,.24), rgba(92,168,255,.12));
  box-shadow: inset 0 0 40px rgba(255,255,255,.06), 0 0 70px rgba(51,214,178,.14);
}
.globe-core strong { font-size: 23px; }
.globe-core span { color: #8fa2b7; font-size: 12px; }
.orbit {
  position: absolute;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
}
.orbit-1 { width: 330px; height: 330px; }
.orbit-2 { width: 460px; height: 460px; border-style: dashed; }
.node {
  position: absolute;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #10253c;
  border: 1px solid rgba(255,255,255,.15);
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  box-shadow: 0 8px 24px rgba(0,0,0,.22);
}
.node-1 { top: 70px; left: 115px; }
.node-2 { top: 56px; right: 85px; }
.node-3 { left: 45px; bottom: 145px; }
.node-4 { right: 20px; bottom: 160px; }
.node-5 { bottom: 48px; left: 190px; }
.node-6 { bottom: 88px; right: 120px; }

.use-case-section { padding-top: 105px; }
.trial-section {
  background: #091524;
  padding-top: 90px;
  padding-bottom: 110px;
}
.trial-card {
  display: grid;
  grid-template-columns: 1fr .82fr;
  gap: 70px;
  padding: 54px;
  border-radius: 30px;
  background:
    radial-gradient(circle at 12% 20%, rgba(51,214,178,.10), transparent 30%),
    #0d2033;
  border: 1px solid rgba(255,255,255,.11);
  box-shadow: var(--shadow);
}
.trial-copy ul {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.trial-copy li {
  position: relative;
  padding-left: 26px;
  color: #c7d1dd;
}
.trial-copy li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
}
.trial-form {
  padding: 26px;
  border-radius: 22px;
  background: rgba(255,255,255,.055);
  border: 1px solid rgba(255,255,255,.08);
}
.trial-form label {
  display: block;
  margin-bottom: 16px;
  color: #aebdcb;
  font-size: 13px;
}
.trial-form input, .trial-form textarea {
  width: 100%;
  margin-top: 7px;
  padding: 13px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.12);
  outline: none;
  color: white;
  background: rgba(2,10,18,.42);
}
.trial-form input:focus, .trial-form textarea:focus { border-color: var(--accent); }
.form-note { margin: 12px 0 0; color: #6f849a; font-size: 11px; }

.site-footer {
  padding: 38px 0;
  background: #050c15;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 40px;
  align-items: center;
}
.footer-brand { margin-bottom: 8px; }
.site-footer p, .footer-copy { margin: 0; color: #6f8399; font-size: 12px; }
.footer-links { display: flex; gap: 22px; color: #8fa0b4; font-size: 13px; }

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .2s; }
.delay-3 { transition-delay: .3s; }

@media (max-width: 980px) {
  .desktop-cta { display: none; }
  .main-nav {
    position: fixed;
    inset: 76px 0 auto;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    background: #07111f;
    border-bottom: 1px solid var(--line);
  }
  .main-nav.open { display: flex; }
  .nav-toggle {
    margin-left: auto;
    width: 42px;
    height: 42px;
    display: grid;
    place-content: center;
    gap: 5px;
    border: 0;
    border-radius: 10px;
    background: rgba(255,255,255,.06);
  }
  .nav-toggle span {
    width: 20px;
    height: 2px;
    background: white;
  }

  .hero { padding-top: 148px; }
  .hero-layout, .network-layout, .validation-layout, .trial-card {
    grid-template-columns: 1fr;
  }
  .hero-layout { gap: 46px; }
  .metric-strip-grid { grid-template-columns: repeat(2,1fr); }
  .value-grid, .capability-grid, .use-grid { grid-template-columns: repeat(2,1fr); }
  .network-visual { min-height: 450px; }
}

@media (max-width: 640px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 82px 0; }
  .nav-wrap { height: 68px; }
  .main-nav { top: 68px; }
  .hero { min-height: auto; padding-top: 126px; }
  .hero h1 { font-size: 45px; }
  .hero-lead { font-size: 17px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-trust { gap: 10px; }
  .hero-trust span + span::before { margin-right: 10px; }
  .metric-strip-grid, .value-grid, .capability-grid, .use-grid, .dash-grid {
    grid-template-columns: 1fr;
  }
  .metric-strip-item, .metric-strip-item:first-child { border-left: 0; }
  .mini-grid { grid-template-columns: 1fr; }
  .dash-number.wide { grid-column: span 1; }
  .trial-card { padding: 26px; gap: 32px; }
  .trial-form { padding: 18px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; }
  .network-visual { transform: scale(.78); margin: -40px 0; }
  .value-card, .use-card, .capability-card { min-height: auto; }
}


.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}
.form-message {
  min-height: 22px;
  margin-top: 12px;
  font-size: 13px;
}
.form-message.success { color: #72e7cc; }
.form-message.error { color: #ff9b9b; }
.btn[disabled] { opacity: .65; cursor: not-allowed; transform: none; }


/* V2.1: compact validation presentation and backend-maintained statistics */
.hero-panel {
  width: 100%;
  max-width: 508px;
  justify-self: end;
  padding: 21px;
}
.primary-metric {
  padding: 28px 0 23px;
}
.primary-metric strong {
  font-size: clamp(42px, 5.2vw, 68px);
}
.mini-card {
  min-height: 96px;
  padding: 16px;
}
.mini-card strong {
  font-size: 20px;
}
.validation-layout {
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
}
.validation-dashboard {
  padding: 24px;
  align-self: stretch;
}
.dash-number {
  min-height: 104px;
  padding: 17px;
}
.chart-bars {
  height: 104px;
}
.chart-update-date {
  margin-top: 9px;
  text-align: right;
  color: #6f8297;
  font-size: 10px;
  letter-spacing: .02em;
}
.proof-list {
  justify-content: space-between;
}
.proof-item {
  flex: 1;
}
@media (max-width: 980px) {
  .hero-panel {
    max-width: none;
    justify-self: stretch;
  }
  .validation-layout {
    grid-template-columns: 1fr;
  }
}