:root {
  --bg: #02040c;
  --ink: #f8fafc;
  --muted: #b6c4d6;
  --line: rgba(255, 255, 255, 0.1);
  --teal: #67e8f9;
  --teal-dark: #22d3ee;
  --blue: #7dd3fc;
  --amber: #f59e0b;
  --rose: #fb7185;
  --surface: #060b18;
  --soft: rgba(255, 255, 255, 0.045);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 82% 0%, rgba(34, 211, 238, 0.16), transparent 30rem),
    radial-gradient(circle at 16% 18%, rgba(79, 70, 229, 0.14), transparent 26rem),
    var(--bg);
  color: var(--ink);
  font-family:
    Helvetica, Arial, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  letter-spacing: 0;
  overflow-x: hidden;
}

a {
  color: inherit;
}

h1,
h2,
h3,
p,
a,
b,
span,
label,
button,
input {
  overflow-wrap: break-word;
  word-break: normal;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 0 clamp(20px, 5vw, 70px);
  background: rgba(2, 4, 12, 0.78);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: #02040c;
  background: #fff;
  border-radius: 8px;
  font-size: 15px;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

nav a,
.header-action {
  text-decoration: none;
}

.header-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  color: #02040c;
  background: #fff;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(360px, 1.14fr);
  gap: clamp(30px, 5vw, 70px);
  align-items: center;
  min-height: clamp(620px, 78vh, 850px);
  padding: clamp(42px, 7vw, 86px) clamp(20px, 5vw, 70px) 32px;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(44px, 7vw, 84px);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero h1 span {
  display: block;
}

.hero-copy,
.network-visual,
.section,
.outreach {
  min-width: 0;
}

.hero p {
  max-width: 680px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
}

.primary-button {
  color: #02040c;
  background: #fff;
  border-radius: 999px;
}

.secondary-button {
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.primary-button svg,
.secondary-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.network-visual {
  min-height: 520px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    linear-gradient(90deg, rgba(103, 232, 249, 0.06) 1px, transparent 1px),
    linear-gradient(rgba(125, 211, 252, 0.055) 1px, transparent 1px),
    rgba(6, 11, 24, 0.9);
  background-size: 28px 28px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.network-visual svg {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 520px;
}

.architecture-visual {
  position: relative;
  isolation: isolate;
}

.architecture-visual::before {
  position: absolute;
  inset: 8%;
  z-index: -1;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.15), transparent 64%);
  content: "";
  filter: blur(24px);
}

.arch-shell {
  fill: rgba(2, 6, 23, 0.58);
  stroke: rgba(255, 255, 255, 0.14);
}

.arch-title {
  fill: #f8fafc;
  font-size: 24px;
  font-weight: 900;
}

.arch-subtitle {
  fill: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.arch-plane rect {
  fill: rgba(255, 255, 255, 0.035);
  stroke: rgba(255, 255, 255, 0.1);
  stroke-width: 1.2;
}

.core-plane > rect {
  fill: rgba(8, 51, 68, 0.2);
  stroke: rgba(103, 232, 249, 0.18);
}

.plane-label {
  fill: #a5f3fc;
  font-size: 15px;
  font-weight: 900;
}

.arch-node rect {
  fill: url("#archPanel");
  stroke: rgba(255, 255, 255, 0.14);
}

.arch-node.strong rect,
.arch-node.core rect {
  fill: url("#archCore");
  stroke: rgba(103, 232, 249, 0.52);
}

.arch-node.exposure rect {
  fill: rgba(20, 83, 45, 0.25);
  stroke: rgba(110, 231, 183, 0.42);
}

.arch-node.research rect {
  fill: rgba(49, 46, 129, 0.34);
  stroke: rgba(165, 180, 252, 0.42);
}

.arch-node text {
  fill: #f8fafc;
  font-size: 13px;
  font-weight: 900;
  text-anchor: middle;
}

.arch-node .node-note,
.node-note {
  fill: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.arch-flow {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  filter: url("#archGlow");
}

.arch-flow.data {
  stroke: #22d3ee;
}

.arch-flow.control {
  stroke: #fb7185;
  stroke-dasharray: 7 9;
}

.arch-flow.service {
  stroke: #f59e0b;
  stroke-dasharray: 9 8;
}

.arch-assurance rect {
  fill: rgba(255, 255, 255, 0.045);
  stroke: rgba(103, 232, 249, 0.22);
}

.arch-assurance text {
  fill: #f8fafc;
  font-size: 15px;
  font-weight: 900;
}

.arch-assurance .node-note {
  fill: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.arch-assurance circle {
  fill: rgba(34, 211, 238, 0.14);
  stroke: rgba(103, 232, 249, 0.42);
}

.arch-assurance path {
  fill: none;
  stroke: #a5f3fc;
  stroke-width: 2;
  stroke-linecap: round;
}

.link {
  fill: none;
  stroke: var(--teal-dark);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 7 10;
}

.link.hot {
  stroke: var(--rose);
}

.link.warm {
  stroke: var(--amber);
}

.node rect {
  fill: url("#nodeFill");
  stroke: rgba(255, 255, 255, 0.16);
  stroke-width: 1.5;
}

.node.core rect {
  fill: #083344;
  stroke: var(--teal);
}

.node text {
  fill: var(--ink);
  font-size: 17px;
  font-weight: 800;
  text-anchor: middle;
}

.node text + text {
  fill: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.metric text {
  fill: var(--teal-dark);
  font-size: 16px;
  font-weight: 800;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 0 clamp(20px, 5vw, 70px) 22px;
  border: 1px solid var(--line);
  background: transparent;
}

.status-strip div {
  min-height: 92px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.04);
}

.status-strip span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.status-strip b {
  display: block;
  margin-top: 10px;
  color: var(--ink);
  font-size: clamp(18px, 2.2vw, 28px);
}

.brief-gate {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.72fr);
  gap: clamp(24px, 5vw, 70px);
  align-items: start;
  margin: 0 clamp(20px, 5vw, 70px) 22px;
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid rgba(103, 232, 249, 0.18);
  border-radius: 28px;
  background:
    linear-gradient(120deg, rgba(34, 211, 238, 0.1), rgba(79, 70, 229, 0.055)),
    rgba(255, 255, 255, 0.035);
  box-shadow: var(--shadow);
  scroll-margin-top: 96px;
}

.section,
.architecture-visual,
.outreach {
  scroll-margin-top: 96px;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 14px;
  color: #a5f3fc;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.brief-gate h2 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.03;
  letter-spacing: 0;
}

.brief-gate p {
  max-width: 700px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.62;
}

.brief-form {
  display: grid;
  gap: 14px;
}

.brief-form label {
  display: grid;
  gap: 7px;
  color: #e5eef8;
  font-size: 13px;
  font-weight: 800;
}

.brief-form input {
  width: 100%;
  min-height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 0 14px;
  outline: none;
  background: rgba(2, 6, 23, 0.72);
  color: #f8fafc;
  font: inherit;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.brief-form input:focus {
  border-color: rgba(103, 232, 249, 0.62);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.12);
}

.brief-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  border: 0;
  border-radius: 999px;
  margin-top: 4px;
  color: #02040c;
  background: #fff;
  font: inherit;
  font-size: 15px;
  font-weight: 900;
  cursor: pointer;
}

.brief-form button[disabled] {
  cursor: wait;
  opacity: 0.66;
}

.brief-form button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  min-height: 22px;
  margin: 2px 0 0;
  font-size: 14px;
  line-height: 1.5;
}

.form-status[data-state="success"] {
  color: #86efac;
}

.form-status[data-state="error"] {
  color: #fca5a5;
}

.section {
  padding: clamp(58px, 8vw, 100px) clamp(20px, 5vw, 70px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(260px, 0.72fr);
  gap: clamp(20px, 4vw, 54px);
  align-items: end;
  margin-bottom: 34px;
}

.section h2,
.outreach h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(31px, 4vw, 54px);
  line-height: 1.03;
  letter-spacing: 0;
}

.section p,
.outreach p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.62;
}

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

.timeline article {
  min-height: 244px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.timeline span {
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 900;
}

.timeline h3,
.use-cases h3 {
  margin: 42px 0 12px;
  font-size: 20px;
  line-height: 1.16;
}

.timeline p,
.use-cases p,
.capacity-grid p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(360px, 1fr);
  gap: clamp(28px, 5vw, 74px);
  background: rgba(255, 255, 255, 0.035);
  color: #fff;
}

.split h2,
.split p {
  color: #fff;
}

.split p {
  color: #cbd5df;
  margin-top: 18px;
}

.capacity-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.capacity-grid article {
  min-height: 176px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.capacity-grid b,
.capacity-grid span {
  display: block;
}

.capacity-grid b {
  font-size: 24px;
}

.capacity-grid span {
  margin-top: 6px;
  color: #67e8f9;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.partner-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.partner-list span {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
}

.use-cases > div {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  border: 1px solid var(--line);
  background: transparent;
}

.use-cases article {
  min-height: 178px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.04);
}

.use-cases h3 {
  margin-top: 0;
}

.outreach {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin: 0 clamp(20px, 5vw, 70px) clamp(46px, 7vw, 76px);
  padding: clamp(28px, 5vw, 56px);
  border-radius: 16px;
  background: linear-gradient(120deg, rgba(34, 211, 238, 0.12), rgba(79, 70, 229, 0.08));
  border: 1px solid var(--line);
}

.outreach p {
  max-width: 780px;
  margin-top: 16px;
  color: var(--muted);
}

@media (max-width: 980px) {
  .site-header {
    position: static;
  }

  nav {
    display: none;
  }

  .hero,
  .section-heading,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .network-visual,
  .network-visual svg {
    min-height: 420px;
  }

  .status-strip,
  .timeline,
  .use-cases > div {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .brief-gate {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 12px 16px;
    gap: 10px;
  }

  .brand {
    gap: 8px;
    font-size: 16px;
  }

  .header-action {
    display: none;
  }

  .hero,
  .section,
  .brief-gate {
    padding-left: 16px;
    padding-right: 32px;
  }

  .hero h1 {
    font-size: clamp(34px, 10.5vw, 42px);
    line-height: 1.03;
  }

  .hero-copy {
    max-width: 326px;
  }

  .hero p {
    max-width: 326px;
  }

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

  .primary-button,
  .secondary-button {
    width: 326px;
    max-width: 100%;
  }

  .metric text {
    font-size: 13px;
  }

  .network-visual,
  .network-visual svg {
    min-height: 330px;
  }

  .architecture-visual {
    overflow-x: auto;
    overscroll-behavior-x: contain;
  }

  .architecture-visual svg {
    width: 760px;
    max-width: none;
  }

  .arch-title {
    font-size: 26px;
  }

  .arch-subtitle,
  .plane-label {
    font-size: 16px;
  }

  .arch-node text {
    font-size: 15px;
  }

  .status-strip,
  .timeline,
  .capacity-grid,
  .use-cases > div {
    grid-template-columns: 1fr;
  }

  .outreach {
    align-items: flex-start;
    flex-direction: column;
    margin-left: 16px;
    margin-right: 16px;
  }
}