:root {
  color-scheme: dark;
  --bg: #071016;
  --panel: #101c25;
  --panel-2: #142835;
  --text: #f6f9fc;
  --muted: #a8b8c6;
  --line: rgba(153, 190, 214, .23);
  --blue: #4f9cff;
  --teal: #34d2c2;
  --green: #60cf86;
  --amber: #f2b750;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  overflow-x: hidden;
}

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 16, 22, .92);
  backdrop-filter: blur(14px);
}

.brand,
.site-nav,
.hero-actions,
.site-footer nav,
.stack-list {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  text-decoration: none;
  font-weight: 900;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  color: #061015;
  background: linear-gradient(135deg, var(--teal), var(--blue));
}

.site-nav {
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.site-nav a,
.site-footer a {
  text-decoration: none;
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--text);
}

.nav-action,
.button {
  border-radius: 8px;
  font-weight: 900;
  text-decoration: none;
}

.nav-action {
  padding: 10px 14px;
  color: #061015;
  background: var(--teal);
}

.hero {
  display: grid;
  grid-template-columns: minmax(310px, .74fr) minmax(480px, 1.26fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(42px, 7vw, 88px) clamp(20px, 4vw, 56px);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .11em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 20px;
  font-size: clamp(42px, 5.5vw, 76px);
  line-height: 1;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.15;
}

.hero-lede,
.section-heading p,
.feature-grid p,
.capability-grid p,
.ecosystem-grid p,
.split-section p,
.launch-band p,
.site-footer p {
  color: var(--muted);
}

.hero-lede {
  max-width: 720px;
  margin-bottom: 28px;
  font-size: 19px;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 12px 17px;
}

.button-primary {
  color: #061015;
  background: var(--blue);
}

.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .04);
}

.hero-visual {
  margin: 0;
  border: 1px solid rgba(79, 156, 255, .38);
  border-radius: 8px;
  overflow: hidden;
  background: #05090d;
  box-shadow: 0 28px 90px rgba(0, 0, 0, .46);
}

.hero-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.section {
  padding: clamp(54px, 7vw, 90px) clamp(20px, 4vw, 56px);
  border-top: 1px solid var(--line);
}

.section-soft {
  background: rgba(255, 255, 255, .025);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.wide-heading {
  max-width: 1060px;
}

.feature-grid,
.capability-grid,
.ecosystem-grid {
  display: grid;
  gap: 18px;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.capability-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ecosystem-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-grid article,
.capability-grid article,
.ecosystem-grid article,
.flow-panel,
.launch-band {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.feature-grid article,
.capability-grid article,
.ecosystem-grid article {
  min-height: 220px;
  padding: 24px;
}

.capability-grid article {
  background: var(--panel-2);
}

.ecosystem-grid span {
  display: block;
  margin-bottom: 10px;
  color: var(--teal);
  font-weight: 900;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(360px, .7fr);
  gap: clamp(26px, 5vw, 68px);
  align-items: center;
}

.flow-panel {
  display: grid;
  gap: 1px;
  overflow: hidden;
}

.flow-panel div {
  padding: 18px;
  background: rgba(255, 255, 255, .035);
}

.flow-panel span {
  display: block;
  margin-bottom: 5px;
  color: var(--amber);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.launch-band {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(320px, .65fr);
  gap: 34px;
  align-items: center;
  margin: clamp(30px, 5vw, 56px);
}

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

.stack-list span {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--teal);
  background: rgba(52, 210, 194, .08);
  font-size: 13px;
  font-weight: 900;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(260px, .8fr) minmax(280px, 1fr);
  gap: 26px;
  padding: 40px clamp(20px, 4vw, 56px);
  border-top: 1px solid var(--line);
  background: #050a0f;
}

.site-footer nav {
  flex-wrap: wrap;
  gap: 14px;
  color: var(--muted);
  font-weight: 800;
}

.site-footer span {
  grid-column: 1 / -1;
  color: #7f91a3;
  font-size: 13px;
}

@media (max-width: 980px) {
  .site-nav { display: none; }
  .hero,
  .split-section,
  .launch-band,
  .site-footer {
    grid-template-columns: 1fr;
  }
  .feature-grid,
  .capability-grid,
  .ecosystem-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }
  .hero,
  .section {
    padding-inline: 18px;
  }
  h1 {
    font-size: 40px;
  }
  .feature-grid,
  .capability-grid,
  .ecosystem-grid {
    grid-template-columns: 1fr;
  }
}
