:root {
  color-scheme: dark;
  --bg: #070a10;
  --panel: #0d121b;
  --panel-soft: #101721;
  --line: rgba(154, 172, 196, 0.16);
  --text: #dbe4ee;
  --muted: #8e9bae;
  --quiet: #667285;
  --blue: #3b8ce8;
  --blue-soft: rgba(59, 140, 232, 0.18);
  --green: #72b6a1;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(59, 140, 232, 0.09), transparent 32rem),
    linear-gradient(180deg, #070a10 0%, #0a0f16 52%, #070a10 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

.site-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1160px;
  padding: 24px;
}

.brand {
  align-items: center;
  color: #eef5ff;
  display: inline-flex;
  font-size: 0.95rem;
  font-weight: 700;
  gap: 12px;
}

.brand-mark {
  background: #f6f8fb;
  border-radius: 6px;
  height: 34px;
  object-fit: contain;
  padding: 3px;
  width: 34px;
}

nav {
  align-items: center;
  display: flex;
  gap: 22px;
}

nav a {
  color: var(--muted);
  font-size: 0.9rem;
  transition: color 160ms ease;
}

nav a:hover,
nav a:focus-visible {
  color: var(--text);
}

main {
  margin: 0 auto;
  max-width: 1160px;
  padding: 0 24px 32px;
}

.hero {
  align-items: stretch;
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.72fr);
  min-height: calc(100vh - 120px);
  padding: 64px 0 40px;
}

.hero-copy {
  align-self: center;
  max-width: 760px;
}

.eyebrow {
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin: 0 0 18px;
  text-transform: uppercase;
}

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

h1 {
  color: #f2f6fb;
  font-size: clamp(3.2rem, 8vw, 6.8rem);
  letter-spacing: 0;
  line-height: 0.94;
  margin-bottom: 28px;
  max-width: 920px;
}

h2 {
  color: #eef4fb;
  font-size: clamp(2rem, 4vw, 3.6rem);
  letter-spacing: 0;
  line-height: 1.02;
  margin-bottom: 0;
}

h3 {
  color: #eef4fb;
  font-size: 1rem;
  margin-bottom: 10px;
}

.hero-text {
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
  max-width: 700px;
}

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

.button,
.subscribe-form button {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 700;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover,
.button:focus-visible,
.subscribe-form button:hover,
.subscribe-form button:focus-visible {
  transform: translateY(-1px);
}

.primary,
.subscribe-form button {
  background: var(--blue);
  color: #06101c;
}

.secondary {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line);
  color: var(--text);
}

.signal-panel {
  align-self: center;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.018)),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  min-height: 500px;
  overflow: hidden;
  padding: 28px;
  position: relative;
}

.signal-panel::after {
  background-image:
    linear-gradient(rgba(142, 155, 174, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(142, 155, 174, 0.08) 1px, transparent 1px);
  background-size: 26px 26px;
  content: "";
  inset: 0;
  mask-image: linear-gradient(to bottom, black, transparent 74%);
  opacity: 0.55;
  pointer-events: none;
  position: absolute;
}

.hero-logo {
  background: #f6f8fb;
  border-radius: 8px;
  display: block;
  margin: 26px auto 72px;
  max-width: 320px;
  padding: 18px;
  position: relative;
  width: min(100%, 320px);
  z-index: 1;
}

.workflow {
  display: grid;
  gap: 10px;
  position: relative;
  z-index: 1;
}

.workflow span {
  background: rgba(7, 10, 16, 0.72);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  display: block;
  font-size: 0.9rem;
  padding: 14px 16px;
}

.metrics,
.feature-grid,
.newsletter,
.governance-section {
  border-top: 1px solid var(--line);
}

.metrics {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 108px;
}

.metrics div {
  border-right: 1px solid var(--line);
  padding: 24px;
}

.metrics div:first-child {
  padding-left: 0;
}

.metrics div:last-child {
  border-right: 0;
}

.metrics strong,
.metrics span {
  display: block;
}

.metrics strong {
  color: var(--text);
  margin-bottom: 8px;
}

.metrics span,
.feature-grid p,
.use-list p,
.newsletter p,
.governance-section p,
footer {
  color: var(--muted);
}

.content-band,
.split-section,
.newsletter,
.product-section,
.upcoming-section,
.governance-section {
  padding: 96px 0;
}

.section-heading {
  display: grid;
  gap: 24px;
  grid-template-columns: 0.76fr 1.24fr;
  margin-bottom: 42px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

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

.section-intro {
  color: var(--muted);
  margin-bottom: 42px;
  max-width: 760px;
}

.feature-grid article {
  border-right: 1px solid var(--line);
  min-height: 260px;
  padding: 24px;
}

.feature-grid article:first-child {
  padding-left: 0;
}

.feature-grid article:last-child {
  border-right: 0;
}

.feature-index {
  color: var(--quiet);
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 38px;
}

.product-section,
.upcoming-section {
  border-top: 1px solid var(--line);
}

.product-layout {
  display: grid;
  gap: 42px;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.8fr);
}

.product-summary p,
.upcoming-copy p,
.detail-grid p {
  color: var(--muted);
}

.product-summary p {
  max-width: 700px;
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.dataset-stats {
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.dataset-stats div {
  border-bottom: 1px solid var(--line);
  min-height: 156px;
  padding: 22px;
}

.dataset-stats div:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.dataset-stats strong {
  color: #f1f6fc;
  display: block;
  font-size: clamp(1.7rem, 4vw, 3rem);
  letter-spacing: 0;
  line-height: 1;
  margin-bottom: 16px;
}

.dataset-stats span {
  color: var(--muted);
  display: block;
  font-size: 0.92rem;
}

.detail-grid {
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 56px;
}

.detail-grid article {
  border-right: 1px solid var(--line);
  padding: 24px;
}

.detail-grid article:first-child {
  padding-left: 0;
}

.detail-grid article:last-child {
  border-right: 0;
}

.upcoming-section {
  display: grid;
  gap: 56px;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
}

.upcoming-copy p {
  font-size: 1rem;
  margin-bottom: 18px;
}

.compliance-strip {
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
  padding-top: 18px;
}

.compliance-strip span {
  background: rgba(114, 182, 161, 0.08);
  border: 1px solid rgba(114, 182, 161, 0.18);
  border-radius: 6px;
  color: #a8cfc3;
  font-size: 0.84rem;
  font-weight: 700;
  padding: 8px 10px;
}

.split-section {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 56px;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.use-list {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, 1fr);
}

.use-list div {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}

.use-list p {
  margin-bottom: 0;
}

.governance-section {
  display: grid;
  gap: 56px;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
}

.governance-section p {
  margin-bottom: 0;
  max-width: 620px;
}

.control-list {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.control-list li {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  padding: 15px 16px;
}

.newsletter {
  align-items: start;
  display: grid;
  gap: 40px;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.72fr);
}

.newsletter p {
  max-width: 560px;
}

.subscribe-form {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}

.subscribe-form label {
  color: var(--text);
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.form-row {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr auto;
}

input {
  background: #080c13;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font: inherit;
  min-height: 46px;
  min-width: 0;
  padding: 0 14px;
  width: 100%;
}

input:focus {
  border-color: rgba(59, 140, 232, 0.72);
  outline: 2px solid var(--blue-soft);
}

.bot-field {
  height: 1px;
  left: -10000px;
  overflow: hidden;
  position: absolute;
  top: auto;
  width: 1px;
}

.form-note {
  color: var(--quiet);
  font-size: 0.86rem;
  margin: 12px 0 0;
  min-height: 1.3em;
}

footer {
  align-items: center;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1160px;
  padding: 28px 24px 42px;
}

@media (max-width: 880px) {
  .site-header,
  footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  nav {
    flex-wrap: wrap;
    gap: 16px;
  }

  .hero,
  .section-heading,
  .split-section,
  .newsletter,
  .product-layout,
  .upcoming-section,
  .governance-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
  }

  .signal-panel {
    min-height: auto;
  }

  .metrics,
  .feature-grid,
  .use-list {
    grid-template-columns: 1fr;
  }

  .metrics div,
  .feature-grid article {
    border-bottom: 1px solid var(--line);
    border-right: 0;
    padding-left: 0;
  }

  .metrics div:last-child,
  .feature-grid article:last-child {
    border-bottom: 0;
  }

  .content-band,
  .split-section,
  .newsletter,
  .product-section,
  .upcoming-section,
  .governance-section {
    padding: 72px 0;
  }

  .detail-grid,
  .dataset-stats {
    grid-template-columns: 1fr;
  }

  .dataset-stats div:nth-child(odd),
  .detail-grid article {
    border-right: 0;
  }

  .detail-grid article {
    border-bottom: 1px solid var(--line);
    padding-left: 0;
  }

  .detail-grid article:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 560px) {
  .site-header,
  main,
  footer {
    padding-left: 18px;
    padding-right: 18px;
  }

  h1 {
    font-size: 3rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .subscribe-form button {
    width: 100%;
  }
}