/* Gravita visual system
   Breakpoints: 1100 grids, 980 stacked sections, 900 navigation, 720 single column, 560 compact panels. */

:root {
  --navy-950: #070b14;
  --navy-900: #0c1220;
  --navy-800: #141c2f;
  --navy-700: #1c2740;
  --navy-glass: rgba(12, 18, 32, 0.78);
  --ink: #101828;
  --ink-soft: #243044;
  --muted: #5d6b82;
  --muted-dark: #b4c0d4;
  --label-dark: #8ea0bb;
  --line: #e4e8f0;
  --line-strong: #d5dbe6;
  --line-dark: rgba(186, 204, 232, 0.16);
  --paper: #f5f7fb;
  --paper-warm: #fbfaf7;
  --white: #ffffff;
  --blue: #1f5bff;
  --blue-ink: #1847cc;
  --blue-soft: #e8efff;
  --cyan: #26d6c9;
  --cyan-soft: #dffaf7;
  --green: #41c681;
  --green-soft: #e6f8ef;
  --amber: #f5b84b;
  --amber-soft: #fff2d8;
  --plum: #6f5cff;
  --plum-soft: #efedff;
  --focus: #9eb6ff;

  --font-display: "Sora", "Segoe UI", sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-md: 1.0625rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 1.75rem;
  --fs-3xl: clamp(1.85rem, 3vw, 2.7rem);
  --fs-hero: clamp(2.25rem, 4.6vw, 4.25rem);

  --lh-tight: 1.12;
  --lh-body: 1.65;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6.5rem;

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  --shadow-xs: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-sm: 0 10px 26px rgba(16, 24, 40, 0.07);
  --shadow-md: 0 22px 52px rgba(16, 24, 40, 0.1);
  --shadow-lg: 0 34px 80px rgba(6, 12, 24, 0.22);
  --shadow-header: 0 10px 30px rgba(0, 0, 0, 0.28);
  --inset-dark: inset 0 1px 0 rgba(255, 255, 255, 0.08);

  --shell: 1160px;
  --header-h: 72px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);

  color-scheme: light;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-md);
  line-height: var(--lh-body);
  color: var(--muted-dark);
  background:
    linear-gradient(180deg, var(--navy-950) 0, var(--navy-950) 38rem, var(--paper) 38rem),
    var(--navy-950);
  overflow-wrap: break-word;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0;
  line-height: var(--lh-tight);
  color: var(--white);
  text-wrap: balance;
}

h1 {
  font-size: var(--fs-hero);
}

h2 {
  font-size: var(--fs-3xl);
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

::selection {
  background: #d9e4ff;
  color: var(--ink);
}

#top,
section[id] {
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.section-shell {
  width: min(var(--shell), calc(100% - 48px));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -48px;
  z-index: 80;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--ink);
  font-weight: 600;
}

.skip-link:focus {
  top: 12px;
}

/* Header and navigation */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  background: rgba(7, 11, 20, 0.86);
  border-top: 2px solid var(--blue);
  border-bottom: 1px solid var(--line-dark);
  backdrop-filter: blur(18px) saturate(1.25);
  transition: background-color 180ms var(--ease), box-shadow 180ms var(--ease), border-color 180ms var(--ease);
}

.site-header.is-scrolled {
  background: rgba(7, 11, 20, 0.96);
  border-bottom-color: rgba(186, 204, 232, 0.22);
  box-shadow: var(--shadow-header);
}

.header-bar {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  line-height: 1;
}

.brand img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  filter: drop-shadow(0 6px 14px rgba(31, 91, 255, 0.28));
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.9375rem;
  font-weight: 600;
}

.nav a {
  position: relative;
  color: var(--muted-dark);
  transition: color 160ms var(--ease);
}

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

.nav a[aria-current="true"] {
  color: var(--white);
  text-decoration: none;
}

.nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -9px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  opacity: 0;
  transform: scaleX(0.45);
  transform-origin: center;
  transition: opacity 160ms var(--ease), transform 160ms var(--ease);
}

.nav a:hover::after,
.nav a[aria-current="true"]::after {
  opacity: 1;
  transform: scaleX(1);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.03);
  color: var(--white);
  cursor: pointer;
  transition: background-color 160ms var(--ease), border-color 160ms var(--ease);
}

.menu-button:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(186, 204, 232, 0.28);
}

.menu-button .icon-close {
  display: none;
}

.menu-button[aria-expanded="true"] .icon-menu {
  display: none;
}

.menu-button[aria-expanded="true"] .icon-close {
  display: block;
}

/* Buttons, badges, eyebrows */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transition: transform 160ms var(--ease), background-color 160ms var(--ease), border-color 160ms var(--ease), color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.button-primary {
  background: linear-gradient(135deg, #2f69ff, var(--blue));
  color: var(--white);
  box-shadow: 0 12px 28px rgba(31, 91, 255, 0.24);
}

.button-primary:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, #265df2, var(--blue-ink));
  color: var(--white);
  box-shadow: 0 16px 34px rgba(31, 91, 255, 0.3);
}

.button:active {
  transform: translateY(0);
}

.button-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.22);
}

.button-secondary:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
}

.surface .button-secondary {
  color: var(--ink);
  border-color: var(--line-strong);
}

.surface .button-secondary:hover {
  background: var(--paper);
  color: var(--ink);
}

.nav-cta {
  min-height: 40px;
  padding: 8px 14px;
  font-size: var(--fs-sm);
  text-decoration: none;
}

.nav a.nav-cta,
.nav a.nav-cta:hover {
  color: var(--white);
}

.button:hover .arrow {
  transform: translateX(3px);
}

.arrow {
  flex: none;
  transition: transform 160ms var(--ease);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  padding: 4px 8px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted-dark);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.badge-light {
  border-color: transparent;
  background: var(--blue-soft);
  color: var(--blue-ink);
}

.badge-light:nth-of-type(2n) {
  background: var(--cyan-soft);
  color: #087a72;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--space-4);
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero .eyebrow,
.band .eyebrow,
.contact-copy .eyebrow {
  color: var(--focus);
}

.mark {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 1px;
  background: currentColor;
}

/* Hero */

.hero {
  position: relative;
  padding-top: var(--space-8);
  background:
    radial-gradient(ellipse 52% 42% at 84% 12%, rgba(31, 91, 255, 0.2), transparent 62%),
    radial-gradient(ellipse 38% 34% at 12% 70%, rgba(38, 214, 201, 0.1), transparent 68%),
    var(--navy-950);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(158, 182, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(158, 182, 255, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse at 75% 30%, #000 10%, transparent 68%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(38, 214, 201, 0.42), rgba(31, 91, 255, 0.38), transparent);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: center;
}

.hero-copy {
  min-width: 0;
}

.line {
  display: block;
}

.line-quiet {
  color: #d5deee;
  font-weight: 500;
}

.hero-lead {
  max-width: 38rem;
  margin: var(--space-5) 0 var(--space-6);
  color: var(--muted-dark);
  font-size: var(--fs-lg);
  line-height: 1.65;
  text-wrap: pretty;
}

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

.trust-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid rgba(186, 204, 232, 0.12);
}

.trust-label {
  margin: 0;
  color: var(--label-dark);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
}

.trust-list li {
  padding: 0 14px;
  border-left: 1px solid var(--line-dark);
  color: #e7eef8;
  font-size: var(--fs-sm);
  font-weight: 600;
}

.trust-list li:first-child {
  padding-left: 0;
  border-left: 0;
}

.product-visual {
  position: relative;
  width: min(100%, 520px);
  justify-self: end;
  min-width: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 0, rgba(38, 214, 201, 0.14), transparent 32%),
    linear-gradient(180deg, #111a2d, #0c1322);
  border: 1px solid rgba(186, 204, 232, 0.2);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), var(--inset-dark);
}

.product-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, #000 0, transparent 78%);
  pointer-events: none;
}

.product-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.workspace-top,
.workspace-body,
.signal-panel,
.insight-panel,
.workflow-panel {
  min-width: 0;
}

.workspace-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(7, 11, 20, 0.26);
  border-bottom: 1px solid var(--line-dark);
}

.workspace-id {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.workspace-id img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.workspace-body {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  padding: 14px;
}

.signal-panel,
.insight-panel,
.workflow-panel {
  border: 1px solid rgba(186, 204, 232, 0.15);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.052);
  box-shadow: var(--inset-dark);
}

.signal-panel {
  padding: 16px;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.panel-heading span,
.workflow-panel span,
.card-number,
.solution-index,
.stack-card > span {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-heading span,
.workflow-panel span {
  color: var(--label-dark);
  font-size: 0.6875rem;
}

.panel-heading strong {
  color: var(--white);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
}

.service-map {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.service-map::before,
.service-map::after {
  content: "";
  position: absolute;
  inset: 50% 18%;
  height: 1px;
  background: rgba(158, 182, 255, 0.28);
}

.service-map::after {
  transform: rotate(90deg);
}

.node {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-height: 58px;
  border: 1px solid rgba(186, 204, 232, 0.16);
  border-radius: 12px;
  background: rgba(17, 27, 47, 0.94);
  color: #e7eef8;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
}

.node-primary {
  border-color: rgba(38, 214, 201, 0.48);
  box-shadow: 0 0 0 1px rgba(38, 214, 201, 0.08);
}

.node-watch {
  color: var(--white);
  border-color: rgba(158, 182, 255, 0.7);
  background: linear-gradient(135deg, rgba(31, 91, 255, 0.28), rgba(111, 92, 255, 0.18));
}

.timeline-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 72px;
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid rgba(186, 204, 232, 0.1);
}

.timeline-bars span {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: rgba(158, 182, 255, 0.32);
  transition: background-color 160ms var(--ease), transform 160ms var(--ease);
}

.timeline-bars span:nth-child(4),
.timeline-bars span:nth-child(6) {
  background: #8eafff;
}

.product-visual:hover .timeline-bars span:nth-child(4),
.product-visual:hover .timeline-bars span:nth-child(6) {
  transform: scaleY(1.05);
  background: var(--cyan);
}

.insight-panel {
  padding: 16px;
  background:
    linear-gradient(135deg, rgba(31, 91, 255, 0.15), rgba(38, 214, 201, 0.06)),
    rgba(31, 91, 255, 0.08);
  border-color: rgba(31, 91, 255, 0.3);
}

.badge-blue {
  color: #d5e2ff;
  border-color: rgba(158, 182, 255, 0.3);
  background: rgba(158, 182, 255, 0.12);
}

.insight-panel h2 {
  margin-top: 12px;
  color: var(--white);
  font-size: 1.35rem;
}

.insight-panel p {
  margin-top: 8px;
  color: #d5deee;
  font-size: var(--fs-sm);
  line-height: 1.5;
}

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

.workflow-panel div {
  min-width: 0;
  padding: 14px;
  border-right: 1px solid rgba(186, 204, 232, 0.1);
}

.workflow-panel div:last-child {
  border-right: 0;
}

.workflow-panel strong {
  display: block;
  margin-top: 6px;
  color: var(--white);
  font-size: 0.95rem;
}

.workflow-panel small {
  display: block;
  margin-top: 3px;
  color: var(--label-dark);
  font-size: var(--fs-xs);
}

.proof {
  position: relative;
  margin-top: var(--space-8);
  border-top: 1px solid var(--line-dark);
}

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

.proof-grid li {
  padding: 28px 22px 32px 0;
}

.proof-grid li + li {
  padding-left: 22px;
  border-left: 1px solid var(--line-dark);
}

.proof-grid span {
  display: block;
  margin-bottom: 10px;
  color: var(--focus);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
}

.proof-grid strong {
  display: block;
  color: var(--white);
  font-size: 0.975rem;
  font-weight: 600;
}

.proof-grid p {
  margin-top: 4px;
  color: var(--label-dark);
  font-size: var(--fs-sm);
}

/* Sections */

.section {
  padding: var(--space-9) 0;
}

.surface {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(245, 247, 251, 0.52)),
    var(--white);
  color: var(--ink);
}

.surface-muted {
  background:
    linear-gradient(180deg, var(--paper), var(--paper-warm));
}

.surface h2,
.surface h3 {
  color: var(--ink);
}

.surface .section-heading p,
.surface .feature-card p,
.surface .resource-grid p,
.enterprise-panel > div > p {
  color: var(--muted);
}

.band {
  position: relative;
  background:
    radial-gradient(ellipse 42% 32% at 88% 10%, rgba(38, 214, 201, 0.09), transparent 64%),
    radial-gradient(ellipse 42% 34% at 12% 100%, rgba(111, 92, 255, 0.1), transparent 68%),
    var(--navy-900);
}

.band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(186, 204, 232, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(186, 204, 232, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(180deg, transparent, #000 22%, #000 78%, transparent);
  pointer-events: none;
}

.band > .section-shell {
  position: relative;
  z-index: 1;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 40px;
}

.section-heading h2 {
  max-width: 12ch;
}

#technology .section-heading h2,
#audience .section-heading h2,
#resources .section-heading h2 {
  max-width: 16ch;
}

.section-heading p {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.7;
}

.band .section-heading p {
  color: var(--muted-dark);
}

/* Cards */

.feature-grid,
.resource-grid {
  display: grid;
  gap: 16px;
}

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

.feature-card,
.resource-grid article,
.stack-card,
.architecture-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(251, 252, 255, 0.94)),
    var(--white);
  box-shadow: var(--shadow-xs);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), box-shadow 180ms var(--ease), background-color 180ms var(--ease);
}

.feature-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100%;
  padding: 24px;
}

.feature-card:hover,
.resource-grid article:hover,
.stack-card:hover,
.architecture-grid article:hover {
  transform: translateY(-3px);
  border-color: rgba(31, 91, 255, 0.22);
  box-shadow: var(--shadow-md);
}

.feature-card.featured {
  overflow: hidden;
  background:
    radial-gradient(circle at 100% 0, rgba(38, 214, 201, 0.16), transparent 36%),
    linear-gradient(180deg, #172034, #101828);
  border-color: rgba(16, 24, 40, 0.95);
  box-shadow: var(--shadow-md);
}

.feature-card.featured::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--plum));
}

.feature-card.featured {
  position: relative;
}

.feature-card.featured:hover {
  border-color: rgba(31, 91, 255, 0.34);
  box-shadow: var(--shadow-lg);
}

.card-number {
  margin-bottom: var(--space-6);
  color: var(--label-dark);
  font-size: 0.6875rem;
}

.feature-card.featured .card-number {
  color: #9aabc4;
}

.feature-card h3,
.resource-grid h3 {
  font-size: 1.35rem;
  text-wrap: balance;
}

.feature-card p {
  margin-top: 12px;
  font-size: 0.975rem;
  line-height: 1.6;
}

.feature-card.featured h3 {
  color: var(--white);
}

.feature-card.featured p {
  color: #c5d2e6;
}

.mini-visual {
  margin-top: auto;
  padding-top: 28px;
}

.telemetry-visual,
.chart-visual {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 48px;
}

.telemetry-visual span {
  flex: 1;
  max-width: 16px;
  border-radius: 3px 3px 0 0;
  background: var(--cyan);
  opacity: 0.35;
}

.telemetry-visual span:nth-child(1) { height: 35%; }
.telemetry-visual span:nth-child(2) { height: 80%; opacity: 1; }
.telemetry-visual span:nth-child(3) { height: 50%; }
.telemetry-visual span:nth-child(4) { height: 95%; opacity: 1; }
.telemetry-visual span:nth-child(5) { height: 62%; }

.feature-card.featured .telemetry-visual span {
  background: #9ff4ed;
}

.chart-visual span {
  width: 10px;
  border-radius: 3px 3px 0 0;
  background: #d5def2;
}

.chart-visual span:nth-child(1) { height: 16px; }
.chart-visual span:nth-child(2) { height: 32px; }
.chart-visual span:nth-child(3) { height: 22px; }
.chart-visual span:nth-child(4) { height: 44px; background: var(--blue); }
.chart-visual span:nth-child(5) { height: 28px; }
.chart-visual span:nth-child(6) { height: 36px; }

.workflow-visual {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.workflow-visual b {
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.feature-card:nth-child(3) .workflow-visual b:nth-child(2) {
  border-color: #cfc8ff;
  background: var(--plum-soft);
  color: #4735bf;
}

.nodes-visual {
  display: grid;
  grid-template-columns: repeat(2, 22px);
  gap: 6px;
}

.nodes-visual span {
  height: 22px;
  border: 1.5px solid #c5d0e4;
  border-radius: 5px;
}

.nodes-visual span:nth-child(2),
.nodes-visual span:nth-child(3) {
  background: var(--green-soft);
  border-color: #a9e7c9;
}

/* Solutions */

.solution-list {
  border-top: 1px solid var(--line-dark);
}

.solution-row {
  position: relative;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-dark);
  transition: padding-left 180ms var(--ease), border-color 180ms var(--ease);
}

.solution-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  opacity: 0;
  transition: opacity 180ms var(--ease);
}

.solution-row:hover {
  padding-left: 16px;
  border-bottom-color: rgba(158, 182, 255, 0.28);
}

.solution-row:hover::before {
  opacity: 1;
}

.solution-index {
  padding-top: 6px;
  color: var(--label-dark);
  font-size: var(--fs-xs);
}

.solution-row h3 {
  font-size: var(--fs-xl);
  transition: color 160ms var(--ease);
}

.solution-row:hover h3 {
  color: #f7fbff;
}

.solution-row p {
  max-width: 62ch;
  margin-top: 8px;
  color: var(--muted-dark);
  font-size: 1rem;
  line-height: 1.65;
}

/* Enterprise */

.enterprise-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.85fr);
  gap: 72px;
  align-items: center;
}

.enterprise-art {
  position: relative;
}

.enterprise-art::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 28px;
  bottom: 28px;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(31, 91, 255, 0.35), rgba(38, 214, 201, 0.34), transparent);
}

.enterprise-panel > div > p {
  max-width: 46rem;
  margin-top: 20px;
  line-height: 1.7;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 28px 0 32px;
}

.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.5;
}

.check-list li::before {
  content: "";
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex: none;
  border-radius: 50%;
  background-color: var(--blue-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.2 6.4 11 12.5 5' fill='none' stroke='%231f5bff' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 14px;
}

.enterprise-art {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.stack-card {
  position: relative;
  padding: 20px 22px;
  border-radius: var(--radius-md);
}

.stack-card::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 20px;
  width: 3px;
  height: 34px;
  border-radius: 999px;
  background: var(--blue);
}

.stack-card:nth-child(1)::before {
  background: var(--cyan);
}

.stack-card:nth-child(2)::before {
  background: var(--plum);
}

.stack-card:nth-child(3)::before {
  background: var(--green);
}

.stack-card > span {
  color: var(--blue);
  font-size: 0.6875rem;
}

.stack-card strong {
  display: block;
  margin: 8px 0 6px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
}

.stack-card small {
  color: var(--muted);
  font-size: var(--fs-sm);
}

.stack-card.emphasis {
  border-color: #d5d1ff;
  box-shadow: var(--shadow-md);
}

/* Audience */

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

.resource-grid article {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
  padding: 28px;
}

.resource-grid article::after {
  content: "";
  width: 34px;
  height: 2px;
  margin-top: auto;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  opacity: 0.65;
}

.resource-grid h3 {
  margin-top: 8px;
}

.resource-grid p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.65;
}

.resource-grid-dark article {
  border-color: var(--line-dark);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.035));
  box-shadow: none;
}

.resource-grid-dark article:hover {
  border-color: rgba(158, 182, 255, 0.35);
  background: rgba(255, 255, 255, 0.07);
}

.resource-grid-dark h3 {
  color: var(--white);
}

.resource-grid-dark p {
  color: var(--muted-dark);
}

/* Technology */

.architecture-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  counter-reset: architecture;
}

.architecture-grid article {
  position: relative;
  min-width: 0;
  padding: 24px;
}

.architecture-grid article::after {
  counter-increment: architecture;
  content: "0" counter(architecture);
  position: absolute;
  right: 20px;
  bottom: 18px;
  color: #d8deea;
  font-family: var(--font-mono);
  font-size: 1.25rem;
}

.architecture-grid article:nth-child(1) .status-pill {
  background: var(--cyan-soft);
  color: #087a72;
}

.architecture-grid article:nth-child(2) .status-pill {
  background: var(--amber-soft);
  color: #8a5a04;
}

.architecture-grid article:nth-child(3) .status-pill {
  background: var(--plum-soft);
  color: #4735bf;
}

.architecture-grid article:nth-child(4) .status-pill {
  background: var(--green-soft);
  color: #14784a;
}

.status-pill {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 24px;
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--paper);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.architecture-grid h3 {
  font-size: 1.25rem;
}

.architecture-grid p {
  margin-top: 12px;
  padding-bottom: 34px;
  color: var(--muted);
  font-size: 0.975rem;
  line-height: 1.6;
}

/* Contact */

.contact-section {
  padding-top: var(--space-7);
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--white);
  box-shadow: var(--shadow-lg);
}

.contact-copy {
  position: relative;
  padding: 48px 40px;
  background:
    radial-gradient(circle at 100% 0, rgba(38, 214, 201, 0.14), transparent 40%),
    var(--navy-900);
}

.contact-copy::after {
  content: "";
  position: absolute;
  left: 40px;
  right: 40px;
  bottom: 40px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(31, 91, 255, 0.5), transparent);
}

.contact-copy h2 {
  color: var(--white);
}

.contact-copy p:last-child {
  margin-top: 16px;
  color: var(--muted-dark);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 40px;
}

.field:nth-child(5),
.field:nth-child(6),
.contact-form .button,
.form-note,
.form-status {
  grid-column: 1 / -1;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  font-weight: 600;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  min-width: 0;
  padding: 12px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: #fbfcff;
  color: var(--ink);
  font-size: 1rem;
  transition: background-color 160ms var(--ease), border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.field textarea {
  min-height: 96px;
  resize: vertical;
}

.field select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 52%,
    calc(100% - 13px) 52%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #8b97ab;
}

.field input:focus-visible,
.field textarea:focus-visible,
.field select:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 1px;
  border-color: var(--blue);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(31, 91, 255, 0.08);
}

.field input:user-invalid,
.field textarea:user-invalid,
.field select:user-invalid {
  border-color: #b42318;
}

.contact-form .button {
  justify-content: center;
  margin-top: 4px;
}

.form-note,
.form-status {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-sm);
  line-height: 1.5;
}

.form-status {
  min-height: 1.25em;
}

.form-status:not(:empty) {
  color: var(--blue-ink);
  font-weight: 600;
}

/* Scroll reveal */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms var(--ease), transform 500ms var(--ease);
}

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

/* Footer */

.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--line-dark);
  background: var(--navy-950);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.1fr;
  gap: 32px;
  align-items: start;
}

.tagline {
  margin-top: 12px;
  color: var(--muted-dark);
  font-size: 0.9375rem;
}

.footer-nav {
  display: grid;
  gap: 8px;
}

.footer-nav a {
  color: var(--muted-dark);
  font-size: 0.9375rem;
}

.footer-nav a:hover {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-meta p {
  margin: 0 0 6px;
  color: var(--label-dark);
  font-size: var(--fs-sm);
}

/* Focus */

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.surface :focus-visible {
  outline-color: var(--blue);
}

.button-primary:focus-visible {
  outline-color: var(--white);
}

.surface .button-primary:focus-visible {
  outline-color: var(--blue);
}

/* Responsive */

@media (max-width: 1100px) {
  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 980px) {
  .hero-grid,
  .section-heading,
  .enterprise-panel,
  .contact-card,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .hero-grid,
  .enterprise-panel {
    gap: 40px;
  }

  .product-visual {
    width: 100%;
    justify-self: stretch;
  }

  .section-heading {
    gap: 16px;
    margin-bottom: 32px;
  }

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

  .proof-grid li:nth-child(odd) {
    padding-left: 0;
    border-left: 0;
  }

  .proof-grid li:nth-child(3),
  .proof-grid li:nth-child(4) {
    border-top: 1px solid var(--line-dark);
  }

  .contact-copy,
  .contact-form {
    padding: 32px 28px;
  }
}

@media (max-width: 900px) {
  .menu-button {
    display: inline-flex;
  }

  .nav {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    z-index: 39;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 8px 16px 20px;
    background: var(--navy-900);
    border-bottom: 1px solid var(--line-dark);
  }

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

  .nav a {
    padding: 12px 8px;
  }

  .nav a:not(.nav-cta)::after {
    left: 8px;
    right: auto;
    bottom: 8px;
    width: 32px;
    transform-origin: left;
  }

  .nav a[aria-current="true"] {
    text-underline-offset: 4px;
  }

  .nav-cta {
    margin-top: 8px;
  }
}

@media (max-width: 720px) {
  .section-shell {
    width: min(var(--shell), calc(100% - 32px));
  }

  .section {
    padding: 64px 0;
  }

  .hero {
    padding-top: 36px;
  }

  .hero-lead {
    font-size: 1.0625rem;
  }

  .feature-grid,
  .resource-grid {
    grid-template-columns: 1fr;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .solution-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .solution-index {
    padding-top: 0;
  }

  .trust-list li {
    padding: 4px 0;
    border-left: 0;
  }

  .trust-list {
    display: grid;
    gap: 2px;
  }

  .contact-form .button {
    width: 100%;
  }

  .footer-inner {
    gap: 24px;
  }
}

@media (max-width: 560px) {
  .proof-grid,
  .workflow-panel {
    grid-template-columns: 1fr;
  }

  .proof-grid li,
  .proof-grid li + li {
    padding: 18px 0;
    border-left: 0;
  }

  .proof-grid li + li {
    border-top: 1px solid var(--line-dark);
  }

  .workflow-panel div {
    border-right: 0;
    border-bottom: 1px solid rgba(186, 204, 232, 0.1);
  }

  .workflow-panel div:last-child {
    border-bottom: 0;
  }

  .solution-row:hover {
    padding-left: 0;
  }

  .contact-copy::after {
    left: 28px;
    right: 28px;
    bottom: 28px;
  }
}

@media (max-width: 520px) {
  .architecture-grid {
    grid-template-columns: 1fr;
  }

  .service-map {
    grid-template-columns: 1fr;
  }

  .service-map::before,
  .service-map::after {
    display: none;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}


/* Extended content modules */

.principles-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.principle-card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.78);
  box-shadow: var(--shadow-xs);
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease), border-color 180ms var(--ease);
}

.principle-card:hover {
  transform: translateY(-4px);
  border-color: rgba(31,91,255,0.3);
  box-shadow: var(--shadow-sm);
}

.principle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 24px;
  border-radius: 10px;
  background: var(--blue-soft);
  color: var(--blue-ink);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
}

.principle-card h3 {
  margin-bottom: 10px;
  font-size: 1.12rem;
}

.principle-card p {
  color: var(--muted);
  font-size: var(--fs-sm);
}

.journey {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.journey-step {
  padding: 22px;
  border: 1px solid rgba(186,204,232,0.18);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.045);
  box-shadow: var(--inset-dark);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.journey-step:hover {
  transform: translateY(-4px);
  border-color: rgba(38,214,201,0.5);
  background: rgba(255,255,255,0.075);
}

.journey-top {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 28px;
  color: var(--focus);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.journey-state {
  color: var(--cyan);
}

.journey-step h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.journey-step p {
  color: var(--muted-dark);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

.journey-foot {
  margin-top: 24px;
  padding-top: 14px;
  border-top: 1px solid rgba(186,204,232,0.14);
  color: var(--label-dark);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.section-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  margin-top: 22px;
  padding: 18px 20px;
  border: 1px solid rgba(186,204,232,0.16);
  border-radius: var(--radius-md);
  background: rgba(7,11,20,0.26);
}

.section-note strong {
  color: var(--white);
  font-size: var(--fs-sm);
}

.section-note p {
  color: var(--muted-dark);
  font-size: var(--fs-sm);
}

.capability-table {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-xs);
}

.capability-row {
  display: grid;
  grid-template-columns: 0.8fr 1.4fr 1.2fr;
  min-width: 720px;
  gap: 24px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: var(--fs-sm);
}

.capability-row:last-child {
  border-bottom: 0;
}

.capability-row strong {
  color: var(--ink);
  font-weight: 700;
}

.capability-header {
  background: var(--navy-900);
  color: var(--muted-dark);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.78);
  box-shadow: var(--shadow-xs);
}

.faq-item summary {
  cursor: pointer;
  padding: 20px 22px;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  list-style-position: inside;
}

.faq-item summary::marker {
  color: var(--blue);
}

.faq-item p {
  padding: 0 22px 22px;
  color: var(--muted);
  font-size: var(--fs-sm);
}

.footer-disclaimer {
  max-width: 38rem;
  margin-top: 14px;
  line-height: 1.5;
}

@media (max-width: 1100px) {
  .principles-grid,
  .journey {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .principles-grid,
  .journey,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .section-note {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

/* Final visual polish: contrast, hover states, and interactive surfaces */

/* Keep typography from leaking into card content. */
.principle-card,
.principle-card h3,
.principle-card p,
.principle-card span {
  text-transform: none;
  letter-spacing: normal;
}

/* Explicit contrast for every light-surface heading. */
.surface h1,
.surface h2,
.surface h3,
.surface h4,
.surface-muted h1,
.surface-muted h2,
.surface-muted h3,
.surface-muted h4 {
  color: var(--ink);
}

/* Dark bands need consistently readable headings and body copy. */
.band h1,
.band h2,
.band h3,
.band h4 {
  color: var(--white);
}

.band .section-heading p,
.band .solution-row p,
.band .journey-step p {
  color: var(--muted-dark);
}

/* Restore intentional dark-panel contrast after the broad heading rules. */
.feature-card.featured h3,
.resource-grid-dark h3,
.contact-copy h2,
.product-visual h2,
.journey-step h3,
.section-note strong {
  color: var(--white);
}

/* Livelier, consistent hover treatment for content surfaces. */
.principle-card,
.journey-step,
.capability-row:not(.capability-header),
.faq-item,
.proof-grid li,
.signal-panel,
.insight-panel,
.workflow-panel {
  position: relative;
  transition:
    transform 220ms var(--ease),
    border-color 220ms var(--ease),
    box-shadow 220ms var(--ease),
    background-color 220ms var(--ease);
}

.principle-card::before,
.journey-step::before,
.faq-item::before,
.signal-panel::before,
.insight-panel::before,
.workflow-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(circle at var(--pointer-x, 50%) var(--pointer-y, 0%), rgba(38, 214, 201, 0.18), transparent 48%);
  transition: opacity 220ms var(--ease);
}

.principle-card:hover,
.journey-step:hover,
.faq-item:hover,
.signal-panel:hover,
.insight-panel:hover,
.workflow-panel:hover {
  transform: translateY(-4px);
  border-color: rgba(31, 91, 255, 0.38);
  box-shadow: 0 18px 42px rgba(16, 24, 40, 0.12);
}

.principle-card:hover::before,
.journey-step:hover::before,
.faq-item:hover::before,
.signal-panel:hover::before,
.insight-panel:hover::before,
.workflow-panel:hover::before {
  opacity: 1;
}

/* Make capability rows feel interactive without compromising table readability. */
.capability-row:not(.capability-header) {
  transition: background-color 180ms var(--ease), transform 180ms var(--ease), border-color 180ms var(--ease);
}

.capability-row:not(.capability-header):hover {
  background: linear-gradient(90deg, rgba(31, 91, 255, 0.06), rgba(38, 214, 201, 0.045));
  border-bottom-color: rgba(31, 91, 255, 0.22);
}

.capability-row:not(.capability-header):hover strong {
  color: var(--blue-ink);
}

/* Give the hero workspace a subtle interactive edge. */
.product-visual {
  transition: transform 240ms var(--ease), border-color 240ms var(--ease), box-shadow 240ms var(--ease);
}

.product-visual:hover {
  transform: translateY(-4px);
  border-color: rgba(38, 214, 201, 0.42);
  box-shadow: 0 36px 90px rgba(6, 12, 24, 0.32), 0 0 0 1px rgba(38, 214, 201, 0.08);
}

/* Make interactive rows and cards visibly clickable to mouse and keyboard users. */
.feature-card,
.resource-grid article,
.stack-card,
.architecture-grid article,
.principle-card,
.journey-step,
.faq-item,
.capability-row:not(.capability-header) {
  cursor: default;
}

@media (prefers-reduced-motion: reduce) {
  .principle-card:hover,
  .journey-step:hover,
  .faq-item:hover,
  .signal-panel:hover,
  .insight-panel:hover,
  .workflow-panel:hover,
  .product-visual:hover {
    transform: none;
  }
}

/* Refined FAQ experience: editorial intro + spacious, high-clarity accordion. */
.faq-section {
  position: relative;
  overflow: hidden;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(230px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(34px, 6vw, 92px);
  align-items: start;
}

.faq-intro {
  position: sticky;
  top: calc(var(--header-h) + 28px);
}

.faq-intro h2 {
  max-width: 9ch;
  font-size: clamp(2rem, 3.2vw, 3.1rem);
}

.faq-intro-copy {
  max-width: 30rem;
  margin-top: 20px;
  color: var(--muted);
  font-size: 1.05rem;
}

.faq-intro-note {
  display: flex;
  gap: 12px;
  margin-top: 34px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-xs);
}

.faq-intro-note-icon {
  display: grid;
  place-items: center;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--blue-soft);
  color: var(--blue-ink);
  font-weight: 700;
}

.faq-intro-note strong {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.9rem;
}

.faq-intro-note p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

.faq-intro-note a {
  display: inline-flex;
  gap: 6px;
  margin-top: 10px;
  color: var(--blue-ink);
  font-size: 0.875rem;
  font-weight: 700;
}

.faq-intro-note a:hover {
  color: var(--plum);
}

.faq-content-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-strong);
}

.faq-content-head span {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.faq-content-head small {
  color: var(--muted);
  font-size: 0.8rem;
}

.faq-grid {
  grid-template-columns: 1fr;
  gap: 12px;
}

.faq-item {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 2px 8px rgba(16, 24, 40, 0.035);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), box-shadow 220ms var(--ease), background 220ms var(--ease);
}

.faq-item summary {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 78px;
  padding: 20px 22px;
  list-style: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.03rem;
  font-weight: 600;
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-question {
  flex: 1;
}

.faq-symbol {
  position: relative;
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  border: 1px solid #cbd7ee;
  border-radius: 50%;
  background: #f6f8ff;
  transition: background 180ms var(--ease), border-color 180ms var(--ease), transform 180ms var(--ease);
}

.faq-symbol::before,
.faq-symbol::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 11px;
  height: 1.5px;
  border-radius: 99px;
  background: var(--blue);
  transform: translate(-50%, -50%);
}

.faq-symbol::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: opacity 180ms var(--ease), transform 180ms var(--ease);
}

.faq-item summary:hover .faq-symbol {
  border-color: var(--blue);
  background: var(--blue-soft);
  transform: scale(1.06);
}

.faq-item[open] {
  border-color: rgba(31, 91, 255, 0.45);
  background: linear-gradient(135deg, rgba(239, 245, 255, 0.98), rgba(247, 252, 255, 0.98));
  box-shadow: 0 14px 34px rgba(31, 91, 255, 0.09);
}

.faq-item[open] summary {
  color: var(--blue-ink);
}

.faq-item[open] .faq-symbol {
  border-color: var(--blue);
  background: var(--blue);
}

.faq-item[open] .faq-symbol::before,
.faq-item[open] .faq-symbol::after {
  background: white;
}

.faq-item[open] .faq-symbol::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-item p {
  max-width: 62ch;
  padding: 0 70px 24px 22px;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.7;
}

@media (max-width: 900px) {
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .faq-intro {
    position: static;
  }

  .faq-intro h2 {
    max-width: 16ch;
  }

  .faq-intro-copy {
    max-width: 42rem;
  }

  .faq-intro-note {
    max-width: 34rem;
  }
}

@media (max-width: 560px) {
  .faq-content-head {
    display: grid;
    gap: 5px;
  }

  .faq-item summary {
    min-height: 70px;
    padding: 17px;
    font-size: 0.96rem;
  }

  .faq-item p {
    padding: 0 17px 20px;
    font-size: 0.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .faq-item,
  .faq-symbol,
  .faq-symbol::after {
    transition: none;
  }
}


/* Audience / solutions cards: premium selectable grid */
.solution-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  border-top: 0;
  list-style: none;
}

.solution-row {
  isolation: isolate;
  min-height: 218px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 26px;
  border: 1px solid rgba(186, 204, 232, 0.16);
  border-radius: 18px;
  background:
    radial-gradient(circle at 100% 0, rgba(31, 91, 255, 0.08), transparent 45%),
    rgba(255, 255, 255, 0.035);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
  cursor: pointer;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease), box-shadow 220ms var(--ease);
}

.solution-row::before { inset: 14px auto 14px 0; width: 3px; opacity: 0; }
.solution-row:hover { padding-left: 26px; transform: translateY(-4px); border-color: rgba(158,182,255,.45); box-shadow: 0 18px 40px rgba(0,0,0,.18); }
.solution-row.is-selected {
  border-color: rgba(38, 214, 201, 0.7);
  background:
    radial-gradient(circle at 100% 0, rgba(31,91,255,.26), transparent 52%),
    linear-gradient(145deg, rgba(38,214,201,.12), rgba(31,91,255,.12)),
    rgba(255,255,255,.06);
  box-shadow: 0 18px 42px rgba(0,0,0,.2), inset 0 0 0 1px rgba(38,214,201,.08);
}
.solution-row.is-selected::before { opacity: 1; }
.solution-index { padding: 0; color: var(--focus); font-size: .75rem; }
.solution-row h3 { font-size: clamp(1.15rem, 2vw, 1.45rem); max-width: 18ch; }
.solution-row p { margin-top: 0; max-width: 42ch; color: #c4cede; font-size: .98rem; }
.solution-row::after {
  content: '↗';
  position: absolute;
  right: 24px;
  top: 23px;
  color: var(--label-dark);
  font-size: 1.2rem;
  transition: color 180ms var(--ease), transform 180ms var(--ease);
}
.solution-row:hover::after, .solution-row.is-selected::after { color: var(--cyan); transform: translate(2px,-2px); }

@media (max-width: 720px) {
  .solution-list { grid-template-columns: 1fr; }
  .solution-row { min-height: auto; }
}

/* Enterprise resources: premium selectable cards with guaranteed contrast. */
.resource-grid-dark {
  gap: 18px;
}

.resource-grid-dark article {
  position: relative;
  isolation: isolate;
  min-height: 292px;
  padding: 30px;
  border: 1px solid rgba(157, 180, 220, 0.18);
  border-radius: 22px;
  background:
    radial-gradient(circle at 100% 0, rgba(31, 91, 255, 0.12), transparent 48%),
    linear-gradient(145deg, rgba(255,255,255,.065), rgba(255,255,255,.025));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.045);
  cursor: pointer;
  overflow: hidden;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease), box-shadow 220ms var(--ease);
}

.resource-grid-dark article::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  opacity: 0;
  transition: opacity 220ms var(--ease);
}

.resource-grid-dark article::after {
  content: "↗";
  width: auto;
  height: auto;
  margin: 0;
  position: absolute;
  right: 26px;
  top: 24px;
  background: none;
  color: rgba(199, 213, 239, .65);
  font-size: 1.35rem;
  opacity: 1;
  transition: color 180ms var(--ease), transform 180ms var(--ease);
}

.resource-grid-dark article:hover {
  transform: translateY(-5px);
  border-color: rgba(158, 182, 255, .48);
  background:
    radial-gradient(circle at 100% 0, rgba(31,91,255,.2), transparent 52%),
    linear-gradient(145deg, rgba(255,255,255,.09), rgba(255,255,255,.035));
  box-shadow: 0 18px 42px rgba(0,0,0,.2), inset 0 1px 0 rgba(255,255,255,.05);
}

.resource-grid-dark article.is-selected {
  border-color: rgba(38, 214, 201, .72);
  background:
    radial-gradient(circle at 100% 0, rgba(31,91,255,.3), transparent 55%),
    linear-gradient(145deg, rgba(38,214,201,.14), rgba(31,91,255,.16)),
    #101c35;
  box-shadow: 0 20px 48px rgba(0,0,0,.24), inset 0 0 0 1px rgba(38,214,201,.08);
}

.resource-grid-dark article.is-selected::before {
  opacity: 1;
}

.resource-grid-dark article:hover::after,
.resource-grid-dark article.is-selected::after {
  color: var(--cyan);
  transform: translate(2px, -2px);
}

.resource-grid-dark article .badge {
  align-self: flex-start;
  color: #b9caff;
  border-color: rgba(158,182,255,.28);
  background: rgba(31,91,255,.12);
}

.resource-grid-dark article.is-selected .badge {
  color: #071c2c;
  border-color: transparent;
  background: linear-gradient(90deg, #26d6c9, #8be9e2);
}

.resource-grid-dark article h3,
.resource-grid-dark article.is-selected h3 {
  max-width: 13ch;
  color: #f6f9ff;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.15;
}

.resource-grid-dark article p,
.resource-grid-dark article.is-selected p {
  max-width: 34ch;
  color: #b9c7dc;
  line-height: 1.7;
}

@media (max-width: 900px) {
  .resource-grid {
    grid-template-columns: 1fr;
  }

  .resource-grid-dark article {
    min-height: 238px;
  }
}


/* Topic detail experience */
.is-selectable-card {
  position: relative;
  cursor: pointer;
}
.is-selectable-card:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 5px;
}
.is-selectable-card::after {
  content: '↗';
}
.topic-modal[hidden] { display: none; }
.topic-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 3vw, 2.5rem);
}
.topic-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 10, 22, .78);
  backdrop-filter: blur(14px);
}
.topic-dialog {
  position: relative;
  width: min(760px, 100%);
  max-height: min(760px, 90vh);
  overflow: auto;
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid rgba(158, 182, 255, .34);
  border-radius: 26px;
  background:
    radial-gradient(circle at 100% 0, rgba(31, 91, 255, .2), transparent 46%),
    linear-gradient(145deg, #f8fbff, #eaf1fb);
  color: var(--ink);
  box-shadow: 0 35px 100px rgba(0, 0, 0, .4), inset 0 1px 0 rgba(255,255,255,.8);
}
.topic-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(16, 24, 40, .12);
  border-radius: 50%;
  background: rgba(255,255,255,.7);
  color: var(--ink);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}
.topic-dialog .eyebrow { color: var(--blue-ink); margin-right: 3rem; }
.topic-dialog h2 { max-width: 18ch; margin: .5rem 0 1rem; font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.08; }
.topic-dialog-summary { max-width: 62ch; color: #52647d; font-size: 1.08rem; line-height: 1.75; }
.topic-dialog-body { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(16, 24, 40, .12); color: #243650; line-height: 1.75; }
.topic-dialog-body ul { margin: 1rem 0 0; padding-left: 1.25rem; }
.topic-dialog-body li + li { margin-top: .55rem; }
.topic-dialog-footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid rgba(16, 24, 40, .12); color: #60718a; font-size: .9rem; }
.topic-dialog-footer .button { white-space: nowrap; }
.topic-modal-open { overflow: hidden; }
@media (max-width: 600px) {
  .topic-dialog { border-radius: 20px; padding: 1.35rem; }
  .topic-dialog-footer { align-items: flex-start; flex-direction: column; }
}

/* Inline topic details: flow below the clicked card group instead of a modal. */
.topic-inline-panel[hidden] { display: none; }
.topic-inline-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  margin-top: 22px;
  padding: clamp(1.4rem, 3vw, 2.25rem);
  border: 1px solid rgba(75, 125, 226, .35);
  border-radius: 24px;
  background:
    radial-gradient(circle at 100% 0, rgba(46, 112, 255, .13), transparent 42%),
    linear-gradient(145deg, #f8fbff, #e9f1fc);
  color: #101b31;
  box-shadow: 0 18px 48px rgba(16, 39, 82, .12), inset 0 1px 0 rgba(255,255,255,.9);
  animation: topic-inline-enter .28s ease both;
}
.topic-inline-heading h3,
.topic-inline-panel h3 { color: #101b31; margin: .35rem 0 .75rem; }
.topic-inline-panel .eyebrow { color: #315b9b; }
.topic-inline-panel .mark { background: #20cfc2; }
.topic-inline-summary { color: #496486; margin: 0; line-height: 1.7; }
.topic-inline-body { color: #304967; line-height: 1.7; }
.topic-inline-body p { margin: 0 0 1rem; color: #304967; }
.topic-inline-body ul { margin: 0; padding-left: 1.2rem; }
.topic-inline-body li { margin: .45rem 0; color: #304967; }
.topic-inline-close {
  grid-column: 1 / -1;
  justify-self: end;
  border: 1px solid rgba(40, 82, 145, .25);
  border-radius: 999px;
  padding: .65rem 1rem;
  background: rgba(255,255,255,.7);
  color: #18355e;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.topic-inline-close:hover { background: #fff; border-color: rgba(40, 82, 145, .5); }
@keyframes topic-inline-enter {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 760px) {
  .topic-inline-panel { grid-template-columns: 1fr; }
  .topic-inline-close { grid-column: auto; justify-self: start; }
}
@media (prefers-reduced-motion: reduce) {
  .topic-inline-panel { animation: none; }
}

/* Inline topic details: flow below the clicked card group instead of a modal. */
.topic-inline-panel[hidden] { display: none; }
.topic-inline-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  margin-top: 22px;
  padding: clamp(1.4rem, 3vw, 2.25rem);
  border: 1px solid rgba(75, 125, 226, .35);
  border-radius: 24px;
  background: radial-gradient(circle at 100% 0, rgba(46, 112, 255, .13), transparent 42%), linear-gradient(145deg, #f8fbff, #e9f1fc);
  color: #101b31;
  box-shadow: 0 18px 48px rgba(16, 39, 82, .12), inset 0 1px 0 rgba(255,255,255,.9);
  animation: topic-inline-enter .28s ease both;
}
.topic-inline-heading h3, .topic-inline-panel h3 { color: #101b31; margin: .35rem 0 .75rem; }
.topic-inline-panel .eyebrow { color: #315b9b; }
.topic-inline-panel .mark { background: #20cfc2; }
.topic-inline-summary { color: #496486; margin: 0; line-height: 1.7; }
.topic-inline-body { color: #304967; line-height: 1.7; }
.topic-inline-body p { margin: 0 0 1rem; color: #304967; }
.topic-inline-body ul { margin: 0; padding-left: 1.2rem; }
.topic-inline-body li { margin: .45rem 0; color: #304967; }
.topic-inline-close { grid-column: 1 / -1; justify-self: end; border: 1px solid rgba(40, 82, 145, .25); border-radius: 999px; padding: .65rem 1rem; background: rgba(255,255,255,.7); color: #18355e; font: inherit; font-weight: 700; cursor: pointer; }
.topic-inline-close:hover { background: #fff; border-color: rgba(40, 82, 145, .5); }
@keyframes topic-inline-enter { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 760px) { .topic-inline-panel { grid-template-columns: 1fr; } .topic-inline-close { grid-column: auto; justify-self: start; } }
@media (prefers-reduced-motion: reduce) { .topic-inline-panel { animation: none; } }


/* Final inline topic close control: compact, centered, and pinned to the panel's top-right corner. */
.topic-inline-panel {
  padding-top: clamp(2.4rem, 4vw, 3rem);
}
.topic-inline-close {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 2;
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid rgba(40, 82, 145, .25);
  border-radius: 50%;
  background: rgba(255, 255, 255, .78);
  color: #18355e;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}
.topic-inline-close svg {
  display: block;
}
.topic-inline-close:hover {
  background: #fff;
  border-color: rgba(40, 82, 145, .55);
  box-shadow: 0 6px 16px rgba(16, 39, 82, .12);
  transform: rotate(90deg);
}
.topic-inline-close:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}
@media (max-width: 760px) {
  .topic-inline-close {
    top: 14px;
    right: 14px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .topic-inline-close {
    transition: none;
  }
}

/* -------------------------------------------------------------------------
   Enterprise narrative + capability map: editorial / product-grade polish
   ------------------------------------------------------------------------- */
.enterprise-lede {
  position: relative;
  max-width: 42rem;
  margin: 0;
  padding: 20px 22px 20px 24px;
  border: 1px solid rgba(70, 113, 190, 0.18);
  border-radius: 18px;
  background:
    radial-gradient(circle at 100% 0, rgba(45, 100, 244, 0.10), transparent 42%),
    linear-gradient(135deg, rgba(255,255,255,.72), rgba(238,245,255,.76));
  color: #435a7b;
  font-size: clamp(1rem, 1.35vw, 1.08rem);
  line-height: 1.75;
  box-shadow: 0 12px 34px rgba(34, 67, 120, 0.06), inset 0 1px 0 rgba(255,255,255,.9);
  overflow: hidden;
}

.enterprise-lede::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: linear-gradient(180deg, #2d64f4, #26d6c9);
  box-shadow: 0 0 18px rgba(45,100,244,.22);
}

.enterprise-lede::after {
  content: "";
  position: absolute;
  width: 120px;
  height: 120px;
  right: -48px;
  bottom: -72px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(38,214,201,.14), transparent 68%);
  pointer-events: none;
}

.lede-highlight {
  color: #162b52;
  font-weight: 700;
  white-space: nowrap;
  background: linear-gradient(180deg, transparent 62%, rgba(38,214,201,.17) 62%);
}

.surface-muted .enterprise-lede {
  background:
    radial-gradient(circle at 100% 0, rgba(45,100,244,.12), transparent 42%),
    linear-gradient(135deg, rgba(255,255,255,.84), rgba(234,241,251,.88));
}

/* Capability map: turn the plain table into a premium product evaluation surface. */
.capability-table {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(81, 117, 177, .20);
  border-radius: 22px;
  background: linear-gradient(180deg, #ffffff 0%, #f8faff 100%);
  box-shadow:
    0 22px 58px rgba(27, 57, 107, .10),
    inset 0 1px 0 rgba(255,255,255,.95);
}

.capability-row {
  position: relative;
  grid-template-columns: minmax(150px, .78fr) minmax(250px, 1.42fr) minmax(220px, 1.2fr);
  align-items: center;
  min-width: 760px;
  gap: 28px;
  padding: 21px 26px;
  border-bottom: 1px solid rgba(81,117,177,.12);
  color: #536987;
  background: rgba(255,255,255,.72);
  font-size: .94rem;
  line-height: 1.55;
  transition: transform 220ms ease, background 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.capability-row:not(.capability-header)::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  bottom: 9px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, #2d64f4, #26d6c9);
  opacity: 0;
  transform: scaleY(.55);
  transition: opacity 220ms ease, transform 220ms ease;
}

.capability-row:nth-child(odd):not(.capability-header) {
  background: linear-gradient(90deg, rgba(247,250,255,.96), rgba(255,255,255,.82));
}

.capability-row:not(.capability-header):hover {
  z-index: 1;
  background: linear-gradient(90deg, #eef5ff, #ffffff 72%);
  border-bottom-color: rgba(45,100,244,.18);
  box-shadow: 0 10px 28px rgba(31,71,132,.07);
  transform: translateX(4px);
}

.capability-row:not(.capability-header):hover::before {
  opacity: 1;
  transform: scaleY(1);
}

.capability-row strong {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #122342;
  font-size: .98rem;
  font-weight: 750;
  letter-spacing: -.01em;
}

.capability-dot {
  width: 9px;
  height: 9px;
  flex: 0 0 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2d64f4, #26d6c9);
  box-shadow: 0 0 0 4px rgba(45,100,244,.08), 0 0 14px rgba(38,214,201,.18);
}

.capability-header {
  min-height: 56px;
  padding-top: 16px;
  padding-bottom: 16px;
  background:
    radial-gradient(circle at 100% 0, rgba(38,214,201,.10), transparent 35%),
    linear-gradient(135deg, #0b1730, #10234a);
  color: #b9cae8;
  border-bottom-color: rgba(119,154,217,.24);
  box-shadow: inset 0 -1px 0 rgba(255,255,255,.04);
}

.capability-header span {
  color: #c7d7f2;
  font-size: .68rem;
  font-weight: 650;
  letter-spacing: .14em;
}

.capability-header span:first-child {
  color: #54dddb;
}

.capability-row > span:not(.capability-dot) {
  color: #536987;
}

.capability-row:not(.capability-header) > span:last-child {
  color: #334d73;
  font-weight: 600;
}

@media (max-width: 720px) {
  .enterprise-lede {
    padding: 18px 18px 18px 21px;
    font-size: .98rem;
  }

  .lede-highlight {
    white-space: normal;
  }

  .capability-table {
    border-radius: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .capability-row {
    transition: none;
  }
}

/* Audience cards: compact, editorial spacing rather than oversized empty bottoms. */
.solution-list {
  align-items: stretch;
}

.solution-row {
  min-height: 0;
  height: 100%;
  padding: 24px 26px 22px;
  gap: 12px;
}

.solution-row h3 {
  max-width: 24ch;
  line-height: 1.2;
}

.solution-row p {
  max-width: 50ch;
  line-height: 1.55;
}

/* The selected audience card should feel like an active destination, not just a hover state. */
.solution-row.is-selected {
  transform: translateY(-2px);
}

/* High-importance audience detail: an editorial operating brief, not a generic popup. */
.topic-inline-panel.audience-operating-detail {
  position: relative;
  margin-top: 24px;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(94, 157, 255, 0.34);
  border-radius: 24px;
  background:
    radial-gradient(circle at 100% 0, rgba(31, 91, 255, 0.16), transparent 40%),
    radial-gradient(circle at 0 100%, rgba(38, 214, 201, 0.10), transparent 38%),
    linear-gradient(145deg, rgba(255,255,255,0.97), rgba(241,247,255,0.98));
  box-shadow: 0 24px 70px rgba(7, 24, 56, 0.16), inset 0 1px 0 rgba(255,255,255,0.85);
}

.topic-inline-panel.audience-operating-detail::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--cyan), #8b7cff);
}

.topic-inline-panel.audience-operating-detail .topic-inline-heading {
  position: relative;
  padding: 30px 34px 22px;
  border-bottom: 1px solid rgba(33, 64, 110, 0.10);
}

.topic-inline-panel.audience-operating-detail .topic-inline-heading::after {
  content: 'AUDIENCE BRIEF';
  position: absolute;
  top: 30px;
  right: 34px;
  padding: 7px 10px;
  border: 1px solid rgba(31,91,255,.18);
  border-radius: 999px;
  color: #315b9c;
  background: rgba(255,255,255,.68);
  font-size: .67rem;
  font-weight: 700;
  letter-spacing: .14em;
}

.topic-inline-panel.audience-operating-detail .topic-inline-heading h3 {
  max-width: 70%;
  margin: 6px 0 8px;
  color: #0d1a31;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  letter-spacing: -.035em;
}

.topic-inline-panel.audience-operating-detail .topic-inline-summary {
  max-width: 76ch;
  margin: 0;
  color: #4b6383;
  font-size: 1rem;
  line-height: 1.7;
}

.topic-inline-panel.audience-operating-detail .topic-inline-body {
  padding: 26px 34px 30px;
}

.topic-inline-panel.audience-operating-detail .topic-inline-body > p:first-child {
  max-width: 82ch;
  margin: 0 0 22px;
  color: #223957;
  font-size: 1.03rem;
  line-height: 1.75;
}

.audience-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 24px;
}

.audience-detail-grid > div {
  min-height: 126px;
  padding: 18px;
  border: 1px solid rgba(48, 86, 142, 0.13);
  border-radius: 16px;
  background: rgba(255,255,255,.68);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.9);
}

.audience-detail-grid strong {
  display: block;
  margin-bottom: 8px;
  color: #12305a;
  font-size: .82rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.audience-detail-grid span {
  display: block;
  color: #506987;
  font-size: .9rem;
  line-height: 1.55;
}

.topic-inline-panel.audience-operating-detail .topic-inline-body ul {
  margin: 0;
  padding-left: 1.2rem;
  color: #294363;
}

.topic-inline-panel.audience-operating-detail .topic-inline-body li {
  margin: 8px 0;
  line-height: 1.55;
}

@media (max-width: 820px) {
  .audience-detail-grid {
    grid-template-columns: 1fr;
  }
  .topic-inline-panel.audience-operating-detail .topic-inline-heading::after {
    position: static;
    display: inline-block;
    margin-top: 12px;
  }
  .topic-inline-panel.audience-operating-detail .topic-inline-heading h3 {
    max-width: 100%;
  }
}

@media (max-width: 720px) {
  .solution-row {
    padding: 21px 20px 19px;
  }
  .topic-inline-panel.audience-operating-detail .topic-inline-heading,
  .topic-inline-panel.audience-operating-detail .topic-inline-body {
    padding-left: 22px;
    padding-right: 22px;
  }
}

/* The topic detail system uses distinct editorial colorways so each section feels like a deliberate brief. */
.topic-inline-panel {
  --brief-accent: #1f5bff;
  --brief-accent-2: #26d6c9;
  --brief-tint: rgba(31, 91, 255, .12);
  border-color: color-mix(in srgb, var(--brief-accent) 30%, rgba(75, 125, 226, .28));
  background:
    radial-gradient(circle at 100% 0, var(--brief-tint), transparent 42%),
    linear-gradient(145deg, #f9fbff, #edf4fd);
}
.topic-inline-panel::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--brief-accent), var(--brief-accent-2));
}
.topic-inline-panel .topic-inline-heading {
  position: relative;
}
.topic-inline-panel .topic-inline-heading::after {
  content: attr(data-brief-label);
  position: absolute;
  top: 0;
  right: 0;
  padding: .45rem .7rem;
  border: 1px solid color-mix(in srgb, var(--brief-accent) 20%, rgba(40, 82, 145, .14));
  border-radius: 999px;
  background: rgba(255,255,255,.72);
  color: color-mix(in srgb, var(--brief-accent) 72%, #18355e);
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .14em;
}
.topic-inline-panel .topic-inline-heading .eyebrow { color: color-mix(in srgb, var(--brief-accent) 70%, #315b9b); }
.topic-inline-panel .topic-inline-heading .mark { background: var(--brief-accent-2); }
.topic-inline-panel .topic-inline-body strong {
  color: color-mix(in srgb, var(--brief-accent) 68%, #12305a);
}
.topic-inline-panel .topic-inline-body li::marker { color: var(--brief-accent); }

.topic-theme-platform {
  --brief-accent: #2563eb;
  --brief-accent-2: #16c7c0;
  --brief-tint: rgba(37, 99, 235, .13);
}
.topic-theme-principle {
  --brief-accent: #7257ff;
  --brief-accent-2: #b45cff;
  --brief-tint: rgba(114, 87, 255, .12);
}
.topic-theme-architecture {
  --brief-accent: #10a87b;
  --brief-accent-2: #25c8d8;
  --brief-tint: rgba(16, 168, 123, .11);
}
.topic-theme-resource {
  --brief-accent: #315dff;
  --brief-accent-2: #8a6cff;
  --brief-tint: rgba(49, 93, 255, .13);
}
.topic-theme-stakeholder {
  --brief-accent: #e27a24;
  --brief-accent-2: #efb544;
  --brief-tint: rgba(226, 122, 36, .11);
}
.topic-theme-journey {
  --brief-accent: #4169e1;
  --brief-accent-2: #20cfc2;
  --brief-tint: rgba(65, 105, 225, .12);
}
.topic-theme-audience {
  --brief-accent: #1f5bff;
  --brief-accent-2: #26d6c9;
  --brief-tint: rgba(31, 91, 255, .16);
}

/* Audience/stakeholder briefs get the same richer editorial treatment as the operating-model brief. */
.topic-theme-stakeholder,
.topic-theme-audience {
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  padding: 0;
  overflow: hidden;
  border-radius: 24px;
}
.topic-theme-stakeholder .topic-inline-heading,
.topic-theme-audience .topic-inline-heading {
  padding: 30px 34px 24px;
  border-bottom: 1px solid rgba(33, 64, 110, .10);
}
.topic-theme-stakeholder .topic-inline-body,
.topic-theme-audience .topic-inline-body {
  padding: 30px 34px 32px;
}
.topic-theme-stakeholder .topic-inline-heading::after,
.topic-theme-audience .topic-inline-heading::after {
  top: 30px;
  right: 34px;
}
.topic-theme-stakeholder .topic-inline-heading h3,
.topic-theme-audience .topic-inline-heading h3 {
  max-width: 72%;
  font-size: clamp(1.5rem, 3vw, 2.15rem);
}

/* Rich mini-brief blocks adapt their accent without becoming visually noisy. */
.topic-inline-panel .audience-detail-grid > div {
  border-top: 2px solid color-mix(in srgb, var(--brief-accent) 42%, transparent);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}
.topic-inline-panel .audience-detail-grid > div:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--brief-accent) 48%, rgba(48, 86, 142, .13));
  box-shadow: 0 10px 24px rgba(20, 47, 91, .08);
}

@media (max-width: 820px) {
  .topic-inline-panel .topic-inline-heading::after {
    position: static;
    display: inline-block;
    margin-top: 12px;
  }
  .topic-theme-stakeholder .topic-inline-heading,
  .topic-theme-audience .topic-inline-heading,
  .topic-theme-stakeholder .topic-inline-body,
  .topic-theme-audience .topic-inline-body {
    padding-left: 22px;
    padding-right: 22px;
  }
  .topic-theme-stakeholder .topic-inline-heading h3,
  .topic-theme-audience .topic-inline-heading h3 {
    max-width: 100%;
  }
}

/* Gravita comparison showcase — editorial, paired operating journeys */
.marketing-difference .difference-showcase{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(16px,2.2vw,30px);align-items:stretch;margin-top:clamp(28px,4vw,52px)}
.marketing-difference .difference-column{min-width:0;display:flex;flex-direction:column;gap:12px;padding:clamp(16px,2vw,24px);border:1px solid #d9e3f2;border-radius:26px;background:linear-gradient(145deg,#fff 0%,#f4f7fc 100%);box-shadow:0 16px 48px rgba(19,43,82,.07);position:relative;overflow:hidden}
.marketing-difference .difference-column:before{content:"";position:absolute;inset:0 0 auto;height:5px;background:linear-gradient(90deg,#aebbd0,#dce5f2)}
.marketing-difference .gravita-column{background:radial-gradient(ellipse at 100% 0%,rgba(30,202,222,.15),transparent 44%),linear-gradient(145deg,#0c1c3b 0%,#102d60 58%,#104e7a 100%);border-color:#1d6cb4;box-shadow:0 24px 64px rgba(13,60,125,.2)}
.marketing-difference .gravita-column:before{height:5px;background:linear-gradient(90deg,#28d9df,#3978ff,#9a73ff)}
.marketing-difference .difference-label{padding:18px 14px 22px;border:0;background:transparent;min-height:0;display:block}
.marketing-difference .difference-label .difference-kicker{display:block;font-size:.68rem;font-weight:800;letter-spacing:.17em;color:#647895;margin-bottom:14px}
.marketing-difference .difference-label .difference-tag{display:inline-flex;align-items:center;border:1px solid #d6e0ee;background:#edf2f9;color:#536987;border-radius:999px;padding:7px 11px;font-size:.69rem;letter-spacing:.045em;font-weight:750;margin-bottom:16px}
.marketing-difference .difference-label h3{font-size:clamp(1.35rem,2vw,1.85rem);line-height:1.15;letter-spacing:-.035em;color:#14294a;margin:0 0 10px;font-weight:780}
.marketing-difference .difference-label p{font-size:.94rem;line-height:1.6;color:#637590;margin:0;max-width:34rem}
.marketing-difference .gravita-column .difference-label .difference-kicker{color:#77e5f0}
.marketing-difference .gravita-column .difference-label .difference-tag{color:#a8f5fa;background:rgba(52,211,226,.1);border-color:rgba(91,226,239,.35)}
.marketing-difference .gravita-column .difference-label h3{color:#fff}
.marketing-difference .gravita-column .difference-label p{color:#c0d8f4}
.marketing-difference .difference-cell{display:grid;grid-template-columns:42px minmax(0,1fr);gap:15px;align-items:start;padding:21px 19px;border:1px solid #dce5f0;border-radius:17px;background:rgba(255,255,255,.84);min-height:126px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;position:relative}
.marketing-difference .difference-cell:hover{transform:translateY(-3px);border-color:#a8c5ee;box-shadow:0 12px 26px rgba(32,68,120,.09)}
.marketing-difference .difference-step{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#eaf0f8;color:#60738f;font-size:.78rem;font-weight:850;letter-spacing:.02em;border:1px solid #d8e2ef}
.marketing-difference .difference-cell h4{font-size:1.04rem;line-height:1.35;letter-spacing:-.015em;color:#192e50;margin:2px 0 7px;font-weight:780}
.marketing-difference .difference-cell p{font-size:.9rem;line-height:1.6;color:#5c708d;margin:0}
.marketing-difference .gravita-column .difference-cell{grid-template-columns:42px minmax(0,1fr) 24px;background:linear-gradient(120deg,rgba(255,255,255,.98),rgba(232,248,255,.96));border-color:rgba(123,197,255,.65);box-shadow:0 7px 22px rgba(0,10,35,.12)}
.marketing-difference .gravita-column .difference-step{color:#fff;background:linear-gradient(145deg,#2468f2,#16b8d0);border:0;box-shadow:0 5px 12px rgba(34,115,220,.24)}
.marketing-difference .gravita-column .difference-cell h4{color:#123e79}
.marketing-difference .gravita-column .difference-cell h4 em{font-style:normal;color:#087fba}
.marketing-difference .difference-arrow{display:grid;place-items:center;width:25px;height:25px;border-radius:50%;background:#d9f5fb;color:#087fae;font-size:1rem;font-weight:900;margin-top:4px}
@media(max-width:850px){.marketing-difference .difference-showcase{grid-template-columns:1fr;gap:20px}.marketing-difference .difference-column{padding:14px;border-radius:22px}.marketing-difference .difference-cell{min-height:0}}
@media(max-width:520px){.marketing-difference .difference-cell{grid-template-columns:34px minmax(0,1fr);gap:11px;padding:17px 14px}.marketing-difference .difference-step{width:32px;height:32px;border-radius:10px}.marketing-difference .gravita-column .difference-cell{grid-template-columns:34px minmax(0,1fr) 20px}.marketing-difference .difference-label{padding:16px 8px 18px}}
@media(prefers-reduced-motion:reduce){.marketing-difference .difference-cell{transition:none}.marketing-difference .difference-cell:hover{transform:none}}

/* Refined audience brief accent: keep the gradient stroke clipped inside the rounded card. */
.topic-inline-panel {
  overflow: hidden !important;
  isolation: isolate;
  border-radius: 24px !important;
}
.topic-inline-panel::before {
  inset: 0 0 auto 0 !important;
  height: 4px;
  border-radius: 24px 24px 0 0;
  clip-path: inset(0 round 24px 24px 0 0);
  z-index: 1;
  pointer-events: none;
}