:root {
  color-scheme: light;
  --ink: #0f172a;
  --muted: #475569;
  --quiet: #64748b;
  --paper: #f7f9fb;
  --surface: #ffffff;
  --line: #cbd5e1;
  --blue: #2563eb;
  --teal: #0f9f8f;
  --violet: #6750c3;
  --amber: #c0843d;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.1);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 70% 45%, rgba(37, 99, 235, 0.08), transparent 34%),
    radial-gradient(circle at 20% 30%, rgba(15, 159, 143, 0.06), transparent 30%),
    #f8fafc;
  color: var(--ink);
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: min(1180px, calc(100% - 64px));
  height: 80px;
  margin: 0 auto;
  padding: 0;
  backdrop-filter: blur(14px);
}

.brand,
.nav-links,
.hero-actions,
.inline-actions,
.card-topline {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  min-width: 0;
  color: #0f172a;
  font-size: 20px;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: block;
  width: 40px;
  height: 40px;
  overflow: visible;
}

.brand-mark path {
  fill: none;
  stroke: url(#brand-gradient);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 4;
}

.brand-mark circle {
  fill: #f8fafc;
  stroke: #0f9f8f;
  stroke-width: 3;
}

.brand-mark circle:nth-of-type(n + 5) {
  stroke: #2563eb;
}

.nav-links {
  gap: 30px;
  color: #334155;
  font-size: 16px;
  font-weight: 540;
}

.nav-links a {
  text-decoration: none;
}

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

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(380px, 1.1fr);
  align-items: center;
  gap: 72px;
  min-height: calc(100vh - 88px);
  width: min(1180px, calc(100% - 64px));
  margin: 0 auto;
  padding: 0;
}

.hero::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 34%;
  width: 32rem;
  height: 18rem;
  background: linear-gradient(90deg, rgba(15, 159, 143, 0.09), rgba(37, 99, 235, 0.08));
  filter: blur(42px);
  opacity: 0.8;
  pointer-events: none;
  transform: translateY(-50%);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 560px;
  min-width: 0;
}

.eyebrow {
  margin: 0 0 18px;
  color: #008b7a;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 620px;
  margin: 0 0 24px;
  color: #0f172a;
  font-size: 76px;
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  max-width: 13ch;
  font-size: 56px;
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin: 0.95rem 0 0.7rem;
  font-size: 1.12rem;
  line-height: 1.18;
}

.lead {
  max-width: 560px;
  margin: 0 0 34px;
  color: #475569;
  font-size: 20px;
  line-height: 1.55;
}

.hero-actions,
.inline-actions {
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 0;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 15px 22px;
  font-weight: 700;
  text-decoration: none;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: #0f172a;
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.18);
}

.button.secondary {
  border-color: #cbd5e1;
  background: #ffffff;
  color: #0f172a;
}

.access-note {
  max-width: 520px;
  margin: 18px 0 0;
  color: #64748b;
  font-size: 14px;
}

.graph-panel {
  position: relative;
  overflow: hidden;
  justify-self: end;
  width: min(100%, 560px);
  min-height: 560px;
  border: 1px solid rgba(203, 213, 225, 0.75);
  border-radius: 18px;
  background:
    linear-gradient(rgba(15, 23, 42, 0.016) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.016) 1px, transparent 1px),
    rgba(255, 255, 255, 0.82);
  background-size: 42px 42px;
  box-shadow: var(--shadow);
}

.graph-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 57%, rgba(37, 99, 235, 0.14), transparent 14rem),
    radial-gradient(circle at 72% 28%, rgba(15, 159, 143, 0.08), transparent 14rem);
  pointer-events: none;
}

.graph-meta {
  position: absolute;
  top: 1rem;
  right: 1rem;
  left: 1rem;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: #475569;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.graph-meta span {
  padding: 0.16rem 0.3rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.66);
}

.knowledge-graph {
  position: absolute;
  inset: 2.4rem 0 0;
  width: 100%;
  height: calc(100% - 2.4rem);
}

.edges line {
  stroke: rgba(51, 65, 85, 0.32);
  stroke-width: 1.55;
}

.node {
  transform-box: fill-box;
  transform-origin: center;
  animation: float-node 7s ease-in-out infinite;
}

.node:nth-child(2n) {
  animation-delay: -2.2s;
}

.node:nth-child(3n) {
  animation-delay: -4.4s;
}

.node circle {
  fill: rgba(255, 255, 255, 0.9);
  stroke-width: 2;
  filter: drop-shadow(0 12px 22px rgba(15, 23, 42, 0.12));
}

.node text {
  fill: var(--ink);
  font-size: 13px;
  font-weight: 740;
  text-anchor: middle;
  dominant-baseline: middle;
  pointer-events: none;
}

.node tspan {
  text-anchor: middle;
}

.node.hub circle {
  fill: #172554;
  stroke: rgba(37, 99, 235, 0.24);
  filter:
    drop-shadow(0 0 24px rgba(37, 99, 235, 0.24))
    drop-shadow(0 18px 28px rgba(15, 23, 42, 0.18));
}

.node.hub text {
  fill: #ffffff;
  font-size: 16px;
}

.node.active circle {
  fill: #ffffff;
  stroke: rgba(37, 99, 235, 0.72);
  stroke-width: 2.6;
  filter:
    drop-shadow(0 0 18px rgba(37, 99, 235, 0.18))
    drop-shadow(0 14px 24px rgba(15, 23, 42, 0.12));
}

.node.active text {
  fill: #0f172a;
  font-size: 13.5px;
}

.node.planned {
  opacity: 0.72;
}

.node.planned circle {
  fill: rgba(255, 255, 255, 0.72);
  stroke-width: 1.8;
  stroke-dasharray: 4 5;
  filter: drop-shadow(0 10px 18px rgba(15, 23, 42, 0.07));
}

.node.planned text {
  fill: #334155;
  font-size: 12px;
  font-weight: 700;
}

.node.jc circle {
  stroke: rgba(15, 159, 143, 0.72);
}

.node.olevel circle {
  stroke: rgba(192, 132, 61, 0.72);
}

.section {
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 6.5rem) 0;
}

.two-column,
.access-band,
.contact-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.section-copy p,
.access-content p,
.contact-copy p {
  margin: 0 0 1.05rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.4rem;
}

.section-heading h2 {
  max-width: 18ch;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.product-card {
  min-height: 18rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.1rem;
  background: rgba(255, 255, 255, 0.7);
}

.product-card.live {
  background: #ffffff;
  box-shadow: 0 18px 45px rgba(20, 32, 43, 0.1);
}

.product-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.product-card a {
  display: inline-flex;
  margin-top: 1.2rem;
  color: var(--blue);
  font-weight: 740;
  text-decoration: none;
}

.card-topline {
  justify-content: space-between;
  gap: 0.8rem;
  color: var(--quiet);
  font-size: 0.78rem;
  font-weight: 720;
}

.status {
  color: var(--teal);
}

.access-band {
  width: min(1160px, calc(100% - 2rem));
  border-block: 1px solid var(--line);
}

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

.contact-link {
  display: block;
  justify-self: end;
  width: min(100%, 30rem);
  border: 1px solid rgba(36, 99, 216, 0.24);
  border-radius: 8px;
  padding: clamp(1.5rem, 4vw, 2.4rem);
  background: #ffffff;
  color: var(--blue);
  font-size: 34px;
  font-weight: 780;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 18px 45px rgba(20, 32, 43, 0.09);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.4rem;
  color: var(--quiet);
  font-size: 0.88rem;
}

.site-footer p {
  max-width: 48rem;
  margin: 0;
}

@keyframes float-node {
  0%,
  100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -7px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .node {
    animation: none;
  }

  .button {
    transition: none;
  }
}

@media (max-width: 980px) {
  .hero,
  .two-column,
  .access-band,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 44px;
    min-height: auto;
    padding: 48px 0 72px;
  }

  h1 {
    max-width: 680px;
    font-size: 64px;
  }

  h2 {
    font-size: 44px;
  }

  .graph-panel {
    justify-self: start;
    min-height: 460px;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-link {
    justify-self: start;
  }
}

@media (max-width: 680px) {
  .site-header {
    width: min(1180px, calc(100% - 32px));
  }

  .nav-links {
    display: none;
  }

  .hero {
    width: min(1180px, calc(100% - 32px));
    gap: 36px;
    padding: 32px 0 56px;
  }

  h1 {
    font-size: 56px;
  }

  .lead {
    font-size: 18px;
  }

  .contact-link {
    font-size: 26px;
  }

  .graph-panel {
    min-height: 390px;
  }

  .knowledge-graph {
    inset: 2rem -7rem 0 -7rem;
    width: calc(100% + 14rem);
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-card {
    min-height: 0;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 430px) {
  h1 {
    font-size: 44px;
  }

  h2 {
    font-size: 2rem;
  }

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

  .button {
    width: 100%;
  }

  .graph-meta {
    font-size: 12px;
  }

  .contact-link {
    font-size: 20px;
  }
}