:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --surface-2: #f0f4fb;
  --line: #d7e1f2;
  --line-strong: #b7c9ea;
  --text-main: #0f1f3d;
  --text-soft: #4f6289;
  --text-dim: #66779c;
  --brand: #2f7dff;
  --brand-soft: #e8f0ff;
  --ok: #19a974;
  --warn: #b57f00;
  --danger: #b91c1c;
  --mono: "IBM Plex Mono", Menlo, monospace;
  --body: "Inter", "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius-md: 11px;
  --container: min(1200px, calc(100% - 2rem));
  --shadow-1: 0 8px 24px rgba(27, 57, 121, 0.08);
  --shadow-2: 0 18px 40px rgba(27, 57, 121, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--body);
  background: var(--bg);
  color: var(--text-main);
  overflow-x: hidden;
}

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

h1,
h2,
h3,
h4,
.brand-text,
.footer-brand {
  margin: 0;
  letter-spacing: -0.02em;
}

.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: transparent;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 90;
  background: #2f7dff;
}

.container {
  width: var(--container);
  margin-inline: auto;
  position: relative;
  z-index: 2;
}

.section {
  padding: 4.8rem 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  border-bottom: 1px solid transparent;
  transition: background 170ms ease, border-color 170ms ease, box-shadow 170ms ease;
}

.site-header.scrolled {
  background: rgba(247, 249, 252, 0.93);
  border-color: var(--line);
  box-shadow: 0 8px 22px rgba(20, 46, 97, 0.08);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.nav-shell {
  min-height: 82px;
  display: grid;
  align-items: center;
  grid-template-columns: auto 1fr auto;
  gap: 1.1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.62rem;
}

.brand-mark {
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 0.68rem;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #fff;
  background: #1b4fc7;
  box-shadow: 0 8px 18px rgba(27, 79, 199, 0.3);
}

.brand-text {
  font-size: 1.08rem;
  font-weight: 800;
  color: #17356d;
  letter-spacing: 0.03em;
}

.site-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 0.95rem;
}

.site-nav a {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
  padding-bottom: 0.26rem;
  border-bottom: 2px solid transparent;
  transition: border-color 150ms ease, color 150ms ease;
}

.site-nav a:hover {
  border-color: #9bb8eb;
  color: #244b91;
}

.header-actions {
  display: inline-flex;
  gap: 0.55rem;
}

.btn {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.68rem 1.04rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  transition: transform 170ms ease, box-shadow 170ms ease;
}

.btn-account {
  font-family: var(--body);
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  text-transform: none;
  font-weight: 700;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: #1f5fd9;
  color: #fff;
  box-shadow: 0 10px 20px rgba(35, 88, 197, 0.24);
}

.btn-ghost {
  border-color: var(--line-strong);
  background: #fff;
  color: #35578f;
}

.menu-toggle {
  display: none;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.68rem;
  border: 1px solid var(--line-strong);
  background: #fff;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.32rem;
}

.menu-toggle span {
  width: 1.1rem;
  height: 2px;
  background: #405f97;
}

.eyebrow {
  margin: 0;
  color: #4367a4;
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero {
  padding-top: 1.6rem;
  padding-bottom: 1.2rem;
}

.hero-shell {
  display: grid;
  grid-template-columns: 1.03fr 0.97fr;
  gap: 0.5rem;
  align-items: start;
}

.hero-copy h1 {
  margin-top: 0.74rem;
  font-size: clamp(2.15rem, 4vw, 4.4rem);
  line-height: 0.96;
  color: #0c2248;
}

.hero-sub {
  margin: 1rem 0 0;
  max-width: 62ch;
  color: var(--text-soft);
  font-size: 1.02rem;
  line-height: 1.72;
}

.hero-actions {
  margin-top: 1.35rem;
  display: flex;
  gap: 0.58rem;
  flex-wrap: wrap;
}

.hero-meta {
  margin-top: 1rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.hero-meta span {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #4b6698;
  font-size: 0.7rem;
  padding: 0.32rem 0.6rem;
}

.hero-visual {
  display: grid;
  gap: 0.45rem;
}

.live-stream-visual {
  display: grid;
  gap: 0.46rem;
  align-content: start;
}

.live-stream-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #48679f;
}

.passive-visual {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-1);
  padding: 0.72rem;
  display: grid;
  gap: 0.56rem;
}

.passive-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
}

.passive-head p,
.passive-head span {
  margin: 0;
  color: #4f6b98;
  font-size: 0.72rem;
}

.passive-kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.4rem;
}

.passive-kpis article {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f9fbff;
  padding: 0.48rem 0.52rem;
}

.passive-kpis small {
  display: block;
  color: #607aa7;
  font-size: 0.65rem;
}

.passive-kpis strong {
  display: block;
  margin-top: 0.24rem;
  color: #173b76;
  font-size: 1rem;
}

.ops-console {
  display: grid;
  gap: 0.62rem;
}

.ops-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.ops-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.ops-tabs button {
  border: 1px solid var(--line-strong);
  background: #fff;
  border-radius: 999px;
  color: #44639a;
  font-size: 0.65rem;
  font-family: var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.34rem 0.56rem;
  cursor: pointer;
}

.ops-tabs button.active {
  border-color: #2b6be2;
  color: #1f57c0;
  background: #f7fbff;
}

.ops-window-control {
  display: grid;
  gap: 0.26rem;
  color: #5070a8;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#opsWindowSlider {
  width: 124px;
  accent-color: #2f7dff;
}

.ops-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.44rem;
}

.ops-metrics article {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.52rem 0.56rem;
}

.ops-metrics small {
  display: block;
  color: #6480ab;
  font-size: 0.68rem;
}

.ops-metrics strong {
  display: block;
  margin-top: 0.26rem;
  color: #173b76;
  font-size: 1.02rem;
}

.ops-workbench {
  --ops-left: 58%;
  display: flex;
  align-items: stretch;
  min-height: 242px;
}

.ops-pane {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.58rem;
}

.ops-chart-pane {
  flex: 0 0 var(--ops-left);
}

.ops-events-pane {
  flex: 1;
  min-width: 190px;
}

.ops-split-divider {
  width: 1.65rem;
  display: grid;
  place-items: center;
}

#opsWorkbenchSlider {
  width: 88px;
  transform: rotate(90deg);
  accent-color: #2f7dff;
  cursor: ew-resize;
}

#opsChart {
  width: 100%;
  height: 136px;
  border-radius: 10px;
  border: 1px solid rgba(162, 185, 230, 0.35);
  background: #0f1930;
}

#opsChartLine {
  fill: none;
  stroke: #4d86ff;
  stroke-width: 2.35;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ops-chart-caption {
  margin: 0.44rem 0 0;
  color: #5a74a3;
  font-size: 0.74rem;
  line-height: 1.5;
}

.ops-events-title {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #4f6998;
}

.live-ops-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.live-ops-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 0.75rem 0.86rem;
  background: #fbfdff;
}

.live-ops-header p,
.live-ops-header span {
  margin: 0;
  font-size: 0.74rem;
  color: #5e739d;
}

.live-ops-body {
  --snapshot-width: 50%;
  display: flex;
  align-items: stretch;
  min-height: 248px;
}

.live-pane {
  padding: 0.68rem;
}

.snapshot-pane {
  flex: 0 0 var(--snapshot-width);
  border-right: 1px solid var(--line);
}

.stream-pane {
  flex: 1;
  min-width: 220px;
}

.stream-pane-full {
  min-width: 0;
  width: 100%;
}

.live-ops-body.live-stream-only {
  min-height: 206px;
}

.pane-title {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #4f6998;
}

.split-divider {
  width: 1.8rem;
  border-right: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: #f7faff;
  display: grid;
  place-items: center;
}

#opsSplitSlider {
  width: 90px;
  transform: rotate(90deg);
  accent-color: #2f7dff;
  cursor: ew-resize;
}

.status-board,
.terminal-card,
.problem-grid article,
.diagram-card,
.architecture-details article,
.workflow-grid article,
.preview-panel,
.security-grid article,
.pricing-cards article,
.cta-shell,
.site-footer,
.preview-tabs,
.trust-strip {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-1);
}

.status-board,
.terminal-card,
.diagram-card,
.preview-panel {
  padding: 0.86rem;
}

.status-board header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.status-board header p,
.status-board header span {
  margin: 0;
  font-size: 0.74rem;
  color: #5e739d;
}

.status-grid {
  margin-top: 0.62rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.status-grid div {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-2);
  padding: 0.65rem;
}

.status-grid small {
  display: block;
  color: #6a7fa5;
  font-size: 0.72rem;
}

.status-grid strong {
  display: block;
  margin-top: 0.3rem;
  color: #16366e;
  font-size: 1.2rem;
}

.live-chart {
  margin-top: 0.58rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.4rem;
  background: #f9fbff;
}

#heroChart {
  width: 100%;
  height: 118px;
}

#heroChartLine {
  fill: none;
  stroke: #1f5fd9;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.terminal-title {
  margin: 0 0 0.36rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: #47649a;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#terminalStream {
  margin: 0.52rem 0 0;
  min-height: 92px;
  max-height: 128px;
  overflow: auto;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #0f1930;
  color: #d9e6ff;
  padding: 0.8rem;
  font-size: 0.73rem;
  line-height: 1.5;
  font-family: var(--mono);
}

.live-ops-body.live-stream-only #terminalStream {
  min-height: 132px;
  max-height: 172px;
}

.ops-events-pane #terminalStream {
  min-height: 162px;
  max-height: 190px;
  margin-top: 0.42rem;
}

#terminalChart {
  width: 100%;
  height: 34px;
  margin-top: 0.18rem;
  border-radius: 10px;
  border: 1px solid rgba(162, 185, 230, 0.35);
  background: #0f1930;
}

#terminalChartLine {
  fill: none;
  stroke: #4d86ff;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.passive-visual #terminalChart {
  height: 58px;
  margin-top: 0.04rem;
}

.passive-visual #terminalStream {
  margin: 0.2rem 0 0;
  min-height: 136px;
  max-height: 168px;
}

.trust-strip {
  margin-top: 0.2rem;
  overflow: hidden;
}

.trust-track {
  display: flex;
  width: max-content;
  gap: 2rem;
  padding: 0.58rem 0.95rem;
  font-family: var(--mono);
  color: #4f6998;
  font-size: 0.63rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: marquee 24s linear infinite;
}

.section-head {
  max-width: 780px;
}

.section-head h2 {
  margin-top: 0.7rem;
  font-size: clamp(1.64rem, 3vw, 2.7rem);
  line-height: 1.08;
  color: #112f63;
}

.problem-grid,
.workflow-grid,
.security-grid,
.pricing-cards {
  margin-top: 1rem;
  display: grid;
  gap: 0.75rem;
}

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

.problem-grid article,
.workflow-grid article,
.security-grid article,
.pricing-cards article {
  padding: 1rem;
}

.problem-grid h3,
.workflow-grid h3,
.security-grid h3,
.pricing-cards h3,
.preview-panel h3,
.architecture-details h3 {
  color: #15386f;
}

.problem-grid p,
.problem-grid li,
.workflow-grid li,
.preview-panel p,
.security-grid li,
.pricing-cards li,
.footer-meta,
.cta-shell p,
.architecture-details p {
  color: var(--text-soft);
  line-height: 1.66;
}

.problem-grid ul,
.security-grid ul {
  margin: 0.6rem 0 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.34rem;
}

.architecture-layout {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 0.75rem;
}

.architecture-layout-v2 {
  grid-template-columns: 1.15fr 0.85fr;
}

.arch-shell {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-1);
  padding: 0.86rem;
  display: grid;
  gap: 0.68rem;
}

.arch-stage {
  display: grid;
  gap: 0.62rem;
}

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

.arch-node {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fbff;
  padding: 0.8rem;
}

.arch-node h3 {
  margin: 0.26rem 0 0;
  font-size: 1rem;
  color: #173d79;
}

.arch-node p {
  margin: 0.34rem 0 0;
  font-size: 0.82rem;
  line-height: 1.56;
  color: #4d6696;
}

.arch-node-eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #4d6ea5;
}

.arch-node.emphasis {
  border-color: #9db6e3;
  background: #f5f9ff;
}

.arch-flow-band {
  border: 1px dashed #b6c7e7;
  border-radius: 10px;
  background: #fcfdff;
  padding: 0.48rem 0.58rem;
  display: flex;
  gap: 0.46rem;
  flex-wrap: wrap;
}

.arch-flow-band span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: #47649a;
  font-size: 0.68rem;
  padding: 0.28rem 0.52rem;
}

.architecture-details-v2 {
  display: grid;
  gap: 0.68rem;
}

.architecture-details-v2 article {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow-1);
  padding: 0.86rem;
}

.architecture-details {
  display: grid;
  gap: 0.72rem;
}

.architecture-details article {
  padding: 0.9rem;
}

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

.workflow-grid ol {
  margin: 0.65rem 0 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.33rem;
  color: var(--text-soft);
  line-height: 1.62;
}

.demo-shell {
  display: grid;
  gap: 0.8rem;
}

.preview-tabs {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  padding: 0.6rem;
}

.preview-tabs button {
  border: 1px solid var(--line-strong);
  background: #fff;
  border-radius: 999px;
  color: #45649a;
  font-size: 0.7rem;
  font-family: var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.44rem 0.75rem;
  cursor: pointer;
}

.preview-tabs button.active {
  background: #1f5fd9;
  border-color: #1f5fd9;
  color: #fff;
}

.preview-panels {
  display: grid;
  gap: 0.6rem;
}

.preview-panel {
  display: none;
}

.preview-panel.active {
  display: block;
  animation: fadeUp 280ms ease;
}

.preview-panel table {
  margin-top: 0.6rem;
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line);
}

.preview-panel th,
.preview-panel td {
  border-bottom: 1px solid var(--line);
  padding: 0.44rem;
  text-align: left;
  font-size: 0.82rem;
  color: #355285;
}

#fleetChart {
  width: 100%;
  height: 200px;
  margin-top: 0.6rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fbff;
}

#fleetLineA,
#fleetLineB,
#fleetLineC {
  fill: none;
  stroke-width: 2.3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#fleetLineA { stroke: #1f5fd9; }
#fleetLineB { stroke: #3a7a4f; }
#fleetLineC { stroke: #9a5a1f; }

.timeline {
  margin: 0.7rem 0 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.42rem;
  color: #49608d;
}

.kpi-grid {
  margin-top: 0.7rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.kpi-grid div {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f7faff;
  padding: 0.58rem;
}

.kpi-grid small {
  color: #6c80a4;
  display: block;
}

.kpi-grid strong {
  margin-top: 0.2rem;
  display: block;
  color: #204784;
  font-size: 1.25rem;
}

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

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

.pricing-cards .price {
  margin: 0.4rem 0;
  color: #1f4f9a;
  font-weight: 800;
  font-size: 1.4rem;
}

.pricing-cards ul {
  margin: 0.4rem 0 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.36rem;
}

.pricing-cards .featured {
  border-color: #9eb9e7;
  box-shadow: var(--shadow-2);
}

.cta-section {
  padding-top: 3rem;
}

.cta-shell {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1rem;
}

.cta-form {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fbfdff;
  padding: 1rem;
}

.cta-form label {
  display: grid;
  gap: 0.34rem;
  font-size: 0.8rem;
  color: #486093;
  margin-bottom: 0.7rem;
}

.cta-form input {
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 0.7rem 0.75rem;
  font: inherit;
  color: var(--text-main);
  background: #fff;
}

.cta-form input:focus {
  outline: 2px solid #d9e7ff;
  border-color: #7fa3df;
}

.cta-actions {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin-top: 0.8rem;
}

.feedback {
  min-height: 1rem;
  margin-top: 0.8rem;
  font-size: 0.78rem;
  color: var(--warn);
}

.site-footer {
  width: var(--container);
  margin: 0 auto 2.2rem;
  padding: 1rem;
}

.footer-shell {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
}

.footer-brand {
  color: #123465;
  font-size: 1.05rem;
}

.footer-meta {
  margin: 0.3rem 0 0;
  max-width: 52ch;
  font-size: 0.84rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.footer-links a {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #fff;
  color: #3f6096;
  font-size: 0.75rem;
  padding: 0.33rem 0.58rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 440ms ease, transform 440ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .hero-shell,
  .architecture-layout,
  .cta-shell {
    grid-template-columns: 1fr;
  }

  .problem-grid,
  .workflow-grid,
  .security-grid,
  .pricing-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .live-ops-body {
    display: grid;
    grid-template-columns: 1fr;
  }

  .snapshot-pane {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .split-divider {
    display: none;
  }

  .ops-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .ops-metrics {
    grid-template-columns: 1fr;
  }

  .passive-kpis {
    grid-template-columns: 1fr;
  }

  .ops-workbench {
    display: grid;
    grid-template-columns: 1fr;
  }

  .ops-split-divider {
    display: none;
  }
}

@media (max-width: 820px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav-shell {
    grid-template-columns: auto auto 1fr;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.3rem);
    right: 1rem;
    left: 1rem;
    border: 1px solid var(--line-strong);
    border-radius: 14px;
    background: #fff;
    padding: 0.8rem;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.7rem;
    box-shadow: var(--shadow-1);
  }

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

  .header-actions .btn-ghost {
    display: none;
  }

  .problem-grid,
  .workflow-grid,
  .security-grid,
  .pricing-cards,
  .status-grid,
  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .stage-ingest,
  .stage-core,
  .stage-output,
  .architecture-layout-v2 {
    grid-template-columns: 1fr;
  }

  .footer-shell {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}