:root {
  --bg: #08111c;
  --bg-soft: #0d1522;
  --surface: rgba(14, 25, 40, 0.92);
  --surface-strong: #132136;
  --surface-stronger: #111d2f;
  --line: #28415d;
  --line-strong: #395878;
  --text: #ebf1f7;
  --muted: #9ab0c7;
  --accent: #36c4ff;
  --accent-soft: #d7f4ff;
  --mint: #4dd9af;
  --mint-soft: #d2ffee;
  --amber: #f5b84b;
  --amber-soft: #fff2cf;
  --rose: #f06c92;
  --rose-soft: #ffd5e0;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
  --radius-lg: 28px;
  --radius-md: 22px;
  --radius-sm: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(54, 196, 255, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(245, 184, 75, 0.12), transparent 24%),
    linear-gradient(180deg, #07111b 0%, #091420 48%, #0a131d 100%);
  color: var(--text);
}

img {
  max-width: 100%;
  display: block;
}

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

.page-shell {
  position: relative;
  overflow: hidden;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: fixed;
  inset: auto;
  pointer-events: none;
  z-index: -1;
}

.page-shell::before {
  top: 120px;
  left: -120px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: rgba(54, 196, 255, 0.08);
  filter: blur(48px);
}

.page-shell::after {
  right: -80px;
  bottom: 120px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(77, 217, 175, 0.08);
  filter: blur(48px);
}

.container {
  width: min(1180px, calc(100vw - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: rgba(8, 17, 28, 0.74);
  border-bottom: 1px solid rgba(57, 88, 120, 0.28);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: lowercase;
}

.brand-mark {
  width: 18px;
  height: 18px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), var(--mint));
  box-shadow: 0 0 0 6px rgba(54, 196, 255, 0.12);
}

.brand-word {
  font-size: 1.05rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
}

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

.nav-open-app {
  color: var(--muted);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  width: 52px;
  height: 52px;
  padding: 0;
  border: 1px solid rgba(57, 88, 120, 0.42);
  border-radius: 16px;
  background: rgba(19, 33, 54, 0.86);
  color: var(--text);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.hero-section,
.content-section,
.site-footer {
  padding: 44px 0;
}

.hero-section {
  padding-top: 54px;
}

.hero-grid,
.two-column-layout,
.architecture-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: center;
}

.hero-copy,
.diagram-card,
.feature-card,
.gateway-card,
.footer-cta,
.feature-card-large {
  border: 1px solid rgba(57, 88, 120, 0.34);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 40px;
  border-radius: var(--radius-lg);
}

.hero-copy h1 {
  margin: 14px 0 18px;
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 0.94;
  letter-spacing: -0.05em;
}

.hero-lead,
.section-heading p,
.feature-card p,
.gateway-card p,
.footer-cta p,
.bullet-list li,
.step-list li,
.footer-meta {
  color: var(--muted);
  line-height: 1.7;
}

.hero-lead {
  max-width: 56ch;
  font-size: 1.08rem;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-soft);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.82rem;
  font-weight: 700;
}

.hero-actions,
.footer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 0;
}

.hero-signal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.signal-card {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(57, 88, 120, 0.28);
  background: rgba(17, 29, 47, 0.8);
}

.signal-label,
.feature-label,
.section-note-label {
  margin: 0 0 8px;
  color: var(--accent-soft);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  font-weight: 700;
}

.signal-value {
  margin: 0;
  color: var(--text);
  line-height: 1.45;
  font-weight: 600;
}

.button,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--accent), #5ad2ff);
  color: #04101a;
}

.button-secondary,
.button-nav {
  border: 1px solid rgba(77, 217, 175, 0.34);
  background: rgba(19, 33, 54, 0.85);
}

.button-nav {
  color: var(--text);
}

.text-link {
  color: var(--accent-soft);
  padding: 0;
}

.trust-strip,
.bullet-list,
.step-list,
.use-case-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.trust-strip {
  display: grid;
  gap: 12px;
}

.trust-strip li,
.bullet-list li,
.step-list li,
.use-case-list li {
  position: relative;
  padding-left: 22px;
}

.trust-strip li::before,
.bullet-list li::before,
.step-list li::before,
.use-case-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mint), var(--accent));
  transform: translateY(-50%);
}

.hero-visual {
  margin: 0;
}

.hero-visual img {
  width: 100%;
  border-radius: 26px;
  border: 1px solid rgba(57, 88, 120, 0.34);
  box-shadow: var(--shadow);
}

.section-heading {
  max-width: 72ch;
  margin-bottom: 26px;
}

.section-note {
  margin: 0 0 24px;
  padding: 18px 20px;
  border-radius: 20px;
  border: 1px solid rgba(57, 88, 120, 0.28);
  background: rgba(12, 22, 36, 0.78);
}

.section-note-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.section-heading h2,
.footer-cta h2 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.problem-grid,
.audience-grid,
.gateway-grid,
.use-case-grid {
  display: grid;
  gap: 18px;
}

.promise-grid,
.runtime-option-grid,
.process-card-grid,
.next-layer-grid {
  display: grid;
  gap: 18px;
}

.problem-grid,
.audience-grid,
.use-case-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.promise-grid,
.runtime-option-grid,
.process-card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

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

.feature-card,
.gateway-card,
.feature-card-large,
.diagram-card {
  border-radius: var(--radius-md);
  padding: 24px;
}

.feature-card h3,
.gateway-card h3 {
  margin: 0 0 12px;
  font-size: 1.28rem;
  line-height: 1.2;
}

.feature-card p,
.gateway-card p {
  margin: 0;
}

.feature-card-compact h3 {
  font-size: 1.1rem;
}

.diagram-card {
  margin: 0;
  background: rgba(10, 18, 29, 0.95);
}

.workflow-diagram {
  overflow: hidden;
}

.workflow-diagram img {
  width: 100%;
  border-radius: 16px;
}

.feature-label {
  margin-bottom: 10px;
}

.step-list {
  display: grid;
  gap: 14px;
  counter-reset: platform-steps;
}

.step-list li {
  padding: 18px 18px 18px 68px;
  border-radius: 18px;
  border: 1px solid rgba(57, 88, 120, 0.28);
  background: rgba(17, 29, 47, 0.78);
}

.step-list li::before {
  counter-increment: platform-steps;
  content: counter(platform-steps);
  left: 20px;
  top: 50%;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--amber), #ffd37e);
  color: #06111b;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  transform: translateY(-50%);
}

.gateway-card img {
  width: 100%;
  max-width: 160px;
  margin-bottom: 20px;
}

.gateway-card {
  display: flex;
  flex-direction: column;
}

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

.gateway-card-primary {
  background:
    linear-gradient(180deg, rgba(19, 33, 54, 0.96), rgba(13, 24, 39, 0.96));
}

.gateway-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.gateway-points {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.gateway-points li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.55;
}

.gateway-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateY(-50%);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid currentColor;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.status-available {
  color: var(--mint-soft);
  background: rgba(77, 217, 175, 0.12);
}

.status-rollout {
  color: var(--amber-soft);
  background: rgba(245, 184, 75, 0.12);
}

.status-secondary {
  color: var(--accent-soft);
  background: rgba(54, 196, 255, 0.12);
}

.next-layer-strip {
  margin-top: 22px;
  padding: 22px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(57, 88, 120, 0.28);
  background: rgba(12, 20, 33, 0.74);
}

.next-layer-card {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(57, 88, 120, 0.22);
  background: rgba(17, 29, 47, 0.72);
}

.next-layer-card h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.next-layer-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.feature-card-large {
  display: flex;
  align-items: center;
}

.onboarding-list {
  margin-top: 0;
  margin-bottom: 24px;
}

.architecture-grid {
  align-items: stretch;
}

.trust-layout {
  align-items: start;
}

.site-footer {
  padding-top: 24px;
  padding-bottom: 64px;
}

.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.use-case-grid-compact,
.runtime-option-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.runtime-bullets {
  margin-top: 22px;
}

.abbreviated-flow {
  margin-top: 22px;
}

.abbreviated-flow-compact {
  margin-top: 0;
}

.use-case-list {
  display: grid;
  gap: 14px;
}

.use-case-list li {
  padding: 18px 18px 18px 28px;
  border-radius: 18px;
  border: 1px solid rgba(57, 88, 120, 0.28);
  background: rgba(17, 29, 47, 0.74);
  color: var(--muted);
  line-height: 1.65;
}

.use-case-list strong {
  color: var(--text);
}

.page-intro {
  padding-bottom: 18px;
}

.process-grid .section-heading {
  max-width: 62ch;
}

.section-heading-tight {
  margin-bottom: 0;
}

.positioning-block {
  display: grid;
  gap: 24px;
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(57, 88, 120, 0.34);
  background:
    linear-gradient(145deg, rgba(19, 33, 54, 0.96), rgba(10, 18, 29, 0.96));
  box-shadow: var(--shadow);
}

.positioning-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.positioning-pills span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(77, 217, 175, 0.28);
  background: rgba(12, 22, 36, 0.82);
  color: var(--accent-soft);
  font-weight: 600;
}

.text-link-muted {
  color: var(--muted);
}

.workflow-overview-list {
  gap: 12px;
}

.onboarding-step-list {
  margin-top: 0;
}

.timeline-strip,
.compare-grid,
.artifact-strip {
  display: grid;
  gap: 18px;
}

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

.timeline-item,
.knowledge-item,
.artifact-pill,
.callout-panel,
.deployment-step {
  border-radius: var(--radius-md);
  border: 1px solid rgba(57, 88, 120, 0.28);
  background: rgba(17, 29, 47, 0.78);
  box-shadow: var(--shadow);
}

.timeline-item,
.knowledge-item,
.deployment-step {
  padding: 24px;
}

.timeline-item h3,
.knowledge-item h3,
.artifact-pill h3,
.callout-panel h3,
.deployment-step h3 {
  margin: 0 0 12px;
  font-size: 1.22rem;
  line-height: 1.2;
}

.timeline-item p,
.knowledge-item p,
.artifact-pill p,
.callout-panel p,
.deployment-step p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.knowledge-layout,
.process-split-layout {
  align-items: start;
}

.knowledge-stack,
.deployment-ladder {
  display: grid;
  gap: 16px;
}

.callout-panel {
  padding: 28px;
  background:
    linear-gradient(160deg, rgba(14, 25, 40, 0.98), rgba(9, 19, 31, 0.96));
}

.deployment-summary {
  display: grid;
  gap: 18px;
}

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

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

.artifact-pill {
  padding: 20px;
}

.footer-cta {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
  padding: 32px;
  border-radius: var(--radius-lg);
}

.footer-meta {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-top: 18px;
  font-size: 0.96rem;
}

@media (max-width: 980px) {
  .site-nav {
    position: absolute;
    top: 82px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 18px;
    border-radius: 22px;
    border: 1px solid rgba(57, 88, 120, 0.34);
    background: rgba(12, 20, 33, 0.96);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .nav-toggle {
    display: inline-block;
  }

  .hero-grid,
  .two-column-layout,
  .architecture-grid,
  .footer-cta {
    grid-template-columns: 1fr;
  }

  .problem-grid,
  .audience-grid,
  .gateway-grid,
  .use-case-grid,
  .hero-signal-grid,
  .promise-grid,
  .runtime-option-grid,
  .process-card-grid,
  .process-card-grid-three,
  .next-layer-grid,
  .gateway-grid-core,
  .use-case-grid-compact,
  .timeline-strip,
  .compare-grid,
  .artifact-strip {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding: 30px 24px;
  }

  .positioning-block {
    padding: 22px;
  }

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

@media (max-width: 640px) {
  .container {
    width: min(100vw - 28px, 1180px);
  }

  .hero-section,
  .content-section,
  .site-footer {
    padding: 30px 0;
  }

  .header-row {
    min-height: 74px;
  }

  .hero-copy h1 {
    font-size: clamp(2.4rem, 15vw, 3.4rem);
  }

  .section-heading h2,
  .footer-cta h2 {
    font-size: clamp(1.8rem, 10vw, 2.4rem);
  }

  .feature-card,
  .gateway-card,
  .diagram-card,
  .feature-card-large,
  .footer-cta {
    padding: 20px;
  }

  .callout-panel,
  .timeline-item,
  .knowledge-item,
  .deployment-step,
  .artifact-pill {
    padding: 20px;
  }

  .button,
  .text-link {
    width: 100%;
  }

  .section-actions {
    flex-direction: column;
  }

  .positioning-pills span {
    width: 100%;
    justify-content: center;
  }
}

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

  .button,
  .text-link {
    transition: none;
  }
}