/* HyperGrowth Platform — Ops Console shell parity: halftone / ordered screen, signal blue, reproducible grain */

body.hg-platform {
  font-family: var(--font-body);
}

body.hg-platform .doc-main {
  position: relative;
  z-index: 2;
}

.doc-main {
  display: grid;
  gap: 20px;
  margin: 20px auto 56px;
}

/* ── Sticky header stack (matches console topbar tone) ── */

.hg-platform-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 6, 10, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(92, 159, 216, 0.1);
}

.hg-platform-topbar-row {
  border-bottom: 1px solid rgba(92, 159, 216, 0.06);
  flex-wrap: wrap;
  row-gap: 10px;
  min-height: unset;
  height: auto;
  padding-top: 10px;
  padding-bottom: 10px;
}

.hg-platform-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.hg-platform-lang-label {
  color: var(--muted);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
}

#languageSelect {
  min-width: 128px;
  padding: 8px 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background-color: var(--surface-1);
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.055) 0.38px, transparent 0.38px);
  background-size: 4px 4px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

#languageSelect:focus {
  outline: none;
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

.hg-platform-subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  padding: 10px 20px 12px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background-color: transparent;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.045) 0.4px, transparent 0.4px);
  background-size: 5px 5px;
}

.hg-platform-subnav a {
  padding: 6px 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  text-decoration: none;
  transition: var(--transition-fast);
}

.hg-platform-subnav a:hover {
  border-color: var(--accent-dim);
  color: var(--accent-soft);
  background: var(--surface-1);
}

.hg-screen-lab {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px 18px;
  padding: 8px 16px 12px;
  border-top: 1px solid rgba(92, 159, 216, 0.08);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.hg-screen-lab-readout {
  letter-spacing: 0.08em;
  color: var(--accent-soft);
  font-size: 0.72rem;
}

.hg-bayer-step {
  padding: 7px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background-color: var(--surface-1);
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0.35px, transparent 0.35px);
  background-size: 3px 3px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition-fast);
}

.hg-bayer-step:hover {
  border-color: var(--accent-dim);
  color: var(--accent-soft);
}

.hg-bayer-step:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg-0), 0 0 0 4px var(--accent-dim);
}

/* ── Layout width ── */

.doc-main,
.doc-footer {
  width: min(1200px, calc(100% - 28px));
  margin-inline: auto;
}

/* ── Hero dither strip (inline, reproducible weave) ── */

.hg-hero-dither--inline {
  height: 6px;
  width: min(100%, 360px);
  margin-bottom: 14px;
  opacity: 0.65;
  mix-blend-mode: overlay;
  background-image:
    linear-gradient(45deg, rgba(255, 255, 255, 0.08) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.06) 25%, transparent 25%),
    repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(200, 210, 230, 0.04) 3px, rgba(200, 210, 230, 0.04) 4px);
  background-size: 5px 5px, 5px 5px, 100% 100%;
  background-position: 0 0, 2.5px 2.5px, 0 0;
}

/* ── Section panels: particle base, no glass orb ── */

.hero-essay,
.doc-section {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(92, 159, 216, 0.1);
  border-radius: var(--radius-md);
  background-color: var(--surface-0);
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.052) 0.42px, transparent 0.42px);
  background-size: 6px 6px;
  box-shadow: none;
  backdrop-filter: none;
}

.hero-essay {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
  gap: 24px;
  padding: 28px;
}

.doc-section {
  padding: 26px 28px;
}

/* Halftone lift on interactive cards */
.hg-dither-surface {
  position: relative;
  z-index: 0;
}

.hg-dither-surface::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.42;
  mix-blend-mode: overlay;
  background-image:
    radial-gradient(circle, rgba(92, 159, 216, 0.09) 0.35px, transparent 0.35px),
    repeating-linear-gradient(0deg, transparent 0 2px, rgba(200, 210, 230, 0.035) 2px, rgba(200, 210, 230, 0.035) 3px);
  background-size: 4px 4px, 100% 4px;
}

.hg-dither-surface > * {
  position: relative;
  z-index: 1;
}

.signal-card.hg-dither-surface::after,
.hero-cosmos.hg-dither-surface::after {
  opacity: 0.55;
}

/* ── Typography ── */

.eyebrow,
.section-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-soft);
  opacity: 0.92;
}

h1, h2, h3 {
  margin: 0;
}

h1, h2 {
  font-family: var(--font-display), "Aldrich", "Space Grotesk", sans-serif;
}

h1 {
  margin-top: 10px;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--ink);
}

h2 {
  font-size: clamp(1.45rem, 2.8vw, 2.35rem);
  line-height: 1.05;
  color: var(--ink);
}

.hero-subtitle,
.section-lead,
.audience-card p,
.mission-grid p,
.abstraction-ledger p,
.region-card p,
.flow-grid p,
.trust-card p,
.metric-card li,
.faq p {
  color: var(--ink-secondary);
  line-height: 1.78;
}

.hero-subtitle {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.74rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  transition: var(--transition-fast);
}

.btn-primary {
  color: #f0f6fc;
  background-color: var(--accent-deep);
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0.35px, transparent 0.35px);
  background-size: 3px 3px;
  border: none;
  box-shadow: 0 0 0 1px rgba(92, 159, 216, 0.15);
}

.btn-primary:hover {
  background-color: var(--accent);
  color: #fff;
}

.btn-primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg-0), 0 0 0 4px var(--accent-dim);
}

.btn-ghost {
  color: var(--ink-soft);
  border: 1px solid var(--line-soft);
  background: var(--surface-1);
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0.35px, transparent 0.35px);
  background-size: 4px 4px;
}

.btn-ghost:hover {
  border-color: var(--accent-dim);
  color: var(--accent-soft);
}

.btn-ghost:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg-0), 0 0 0 4px var(--accent-soft);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.hero-badges li,
.section-status,
.audience-label {
  padding: 8px 12px;
  border: 1px solid rgba(92, 159, 216, 0.12);
  border-radius: var(--radius-pill);
  background: var(--surface-1);
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0.35px, transparent 0.35px);
  background-size: 4px 4px;
  color: var(--accent-soft);
  font-size: 0.68rem;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

.hero-signal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.signal-card {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid rgba(92, 159, 216, 0.1);
  border-radius: var(--radius-md);
  background: var(--surface-1);
  transition: var(--transition-fast);
}

.signal-card:hover {
  border-color: var(--accent-dim);
}

.signal-card span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.signal-card strong {
  font-size: 0.94rem;
  line-height: 1.55;
  font-weight: 600;
  color: var(--ink);
}

/* ── Hero cosmos: rings + ASCII, particle field only ── */

.hero-cosmos {
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: 100%;
  border: 1px solid rgba(92, 159, 216, 0.12);
  border-radius: var(--radius-md);
  background-color: var(--surface-1);
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0.42px, transparent 0.42px);
  background-size: 5px 5px;
  overflow: hidden;
}

.cosmos-shell {
  position: relative;
  min-height: 360px;
  display: grid;
  place-items: center;
  padding: 24px 24px 10px;
}

.cosmos-ring {
  position: absolute;
  border: 1px solid rgba(92, 159, 216, 0.14);
  border-radius: 999px;
  animation: hgPlatformRingPulse 8s ease-in-out infinite;
}

.ring-a { width: 60%; height: 60%; }
.ring-b { width: 74%; height: 74%; animation-delay: -2.5s; }
.ring-c { width: 90%; height: 90%; animation-delay: -5s; }

.ascii-ornament {
  position: relative;
  z-index: 1;
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.88rem, 1.25vw, 1rem);
  line-height: 1.55;
  letter-spacing: 0.18em;
  color: rgba(142, 184, 234, 0.72);
  text-align: center;
  white-space: pre;
}

.hero-terminal {
  position: absolute;
  inset: auto 18px 16px;
  z-index: 2;
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid rgba(92, 159, 216, 0.1);
  border-radius: var(--radius-sm);
  background: rgba(5, 6, 10, 0.85);
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0.35px, transparent 0.35px);
  background-size: 4px 4px;
}

.terminal-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(92, 159, 216, 0.12);
}

.terminal-line:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.terminal-line span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
}

.terminal-line strong {
  color: var(--ink-secondary);
  font-size: 0.78rem;
  text-align: right;
}

.diagram-box {
  margin: 0 16px 16px;
  padding: 14px 16px;
  border: 1px solid rgba(92, 159, 216, 0.1);
  border-radius: var(--radius-sm);
  background: var(--surface-0);
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.045) 0.38px, transparent 0.38px);
  background-size: 4px 4px;
}

.diagram-box h3 {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  color: var(--accent-soft);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
}

.diagram-box pre,
.contract-card code,
.api-box code,
.code-block {
  margin: 0;
  font-family: var(--font-mono);
}

.diagram-box pre {
  color: var(--ink-secondary);
  font-size: 0.78rem;
  line-height: 1.75;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
}

.section-status {
  margin: 0;
  white-space: nowrap;
}

.section-lead {
  margin: 14px 0 0;
  max-width: 78ch;
}

.audience-grid,
.mission-grid,
.abstraction-ledger,
.contract-grid,
.region-grid,
.flow-grid,
.trust-grid,
.metrics-grid,
.quickstart-grid {
  display: grid;
  gap: 14px;
}

.audience-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

.audience-card,
.mission-grid article,
.abstraction-ledger article,
.contract-card,
.region-card,
.flow-grid article,
.trust-card,
.metric-card,
.api-box,
.code-showcase,
.faq details {
  position: relative;
  overflow: hidden;
  padding: 16px 18px;
  border: 1px solid rgba(92, 159, 216, 0.1);
  border-radius: var(--radius-md);
  background: var(--surface-1);
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0.38px, transparent 0.38px);
  background-size: 5px 5px;
  transition: var(--transition-fast);
}

.audience-card::before,
.mission-grid article::before,
.abstraction-ledger article::before,
.contract-card::before,
.region-card::before,
.flow-grid article::before,
.trust-card::before,
.metric-card::before,
.api-box::before,
.code-showcase::before,
.faq details::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  z-index: 2;
  background-image: radial-gradient(circle, var(--accent) 0.45px, transparent 0.45px);
  background-size: 2px 2px;
  opacity: 0.45;
  pointer-events: none;
}

.audience-card:hover,
.mission-grid article:hover,
.abstraction-ledger article:hover,
.contract-card:hover,
.region-card:hover,
.flow-grid article:hover,
.trust-card:hover,
.metric-card:hover {
  border-color: var(--accent-dim);
}

.audience-card h3,
.mission-grid h3,
.contract-card h3,
.region-card h3,
.flow-grid h3,
.trust-card h3,
.metric-card h3 {
  font-size: 1.02rem;
  color: var(--ink);
}

.audience-card p,
.mission-grid p,
.contract-card p,
.region-card p,
.flow-grid p,
.trust-card p {
  margin-top: 10px;
}

.audience-list,
.region-card ul,
.metric-card ol {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--ink-secondary);
  line-height: 1.72;
}

.mission-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 16px;
}

.abstraction-ledger {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 16px;
}

.abstraction-ledger header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.abstraction-ledger span {
  color: var(--ink);
  font-weight: 700;
}

.abstraction-ledger code,
.contract-card code,
.api-box code {
  color: var(--accent-soft);
  font-size: 0.72rem;
}

.abstraction-ledger p {
  margin-top: 10px;
}

.contract-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 16px;
}

.contract-card {
  display: grid;
  gap: 8px;
}

.contract-card code,
.api-box code {
  display: block;
  padding: 9px 10px;
  border: 1px solid rgba(92, 159, 216, 0.1);
  border-radius: var(--radius-sm);
  background: var(--surface-0);
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0.35px, transparent 0.35px);
  background-size: 4px 4px;
}

.contract-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.contract-strip span {
  padding: 8px 12px;
  border: 1px solid rgba(92, 159, 216, 0.1);
  border-radius: var(--radius-pill);
  color: var(--accent-soft);
  font-size: 0.65rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  background: var(--surface-1);
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0.35px, transparent 0.35px);
  background-size: 4px 4px;
}

.region-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 16px;
}

.flow-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 16px;
}

.flow-grid article span {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  color: #f0f6fc;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  background-color: var(--accent-deep);
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0.35px, transparent 0.35px);
  background-size: 3px 3px;
  box-shadow: 0 0 0 1px rgba(92, 159, 216, 0.2);
}

.flow-grid h3 {
  margin-top: 14px;
}

.trust-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 16px;
}

.metrics-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 16px;
}

.metric-card ol {
  margin-top: 12px;
}

.quickstart-grid {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.85fr);
  margin-top: 16px;
  align-items: start;
}

.steps {
  margin: 0;
  padding-left: 22px;
  color: var(--ink-secondary);
  line-height: 1.9;
}

.code-showcase {
  margin-top: 16px;
}

.code-showcase-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-end;
}

.code-showcase-head h3 {
  margin-top: 10px;
  font-size: 1.02rem;
}

.code-block {
  margin-top: 16px;
  padding: 16px;
  border: 1px solid rgba(92, 159, 216, 0.1);
  border-radius: var(--radius-md);
  background: var(--surface-0);
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.045) 0.38px, transparent 0.38px);
  background-size: 4px 4px;
  color: var(--ink-secondary);
  font-size: 0.78rem;
  line-height: 1.65;
  overflow: auto;
}

.faq details + details {
  margin-top: 12px;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--ink);
}

.faq p {
  margin: 10px 0 0;
}

.doc-footer {
  position: relative;
  z-index: 2;
  margin-bottom: 28px;
  padding: 20px 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
  border-top: 1px solid rgba(92, 159, 216, 0.08);
}

.doc-footer a {
  color: var(--accent-soft);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.doc-footer a:hover {
  color: var(--accent);
}

.doc-mark,
.diagram-box h3,
.terminal-line span,
.contract-strip span {
  font-family: var(--font-mono);
}

.ascii-canvas {
  position: absolute;
  inset: 0;
  opacity: 0.88;
  pointer-events: none;
  mix-blend-mode: screen;
}

.hero-cosmos.ascii-enhanced .ascii-ornament {
  opacity: 0.12;
}

/* ── RTL ── */

html[dir="rtl"] .hg-platform-header,
html[dir="rtl"] .hero-essay,
html[dir="rtl"] .doc-footer {
  direction: rtl;
}

html[dir="rtl"] .steps,
html[dir="rtl"] .region-card ul,
html[dir="rtl"] .metric-card ol,
html[dir="rtl"] .audience-list {
  padding-right: 18px;
  padding-left: 0;
}

/* ── Motion ── */

@keyframes hgPlatformRingPulse {
  0%, 100% { transform: scale(0.98); opacity: 0.32; }
  50% { transform: scale(1.02); opacity: 0.72; }
}

/* ── Responsive ── */

@media (max-width: 1180px) {
  .hero-essay,
  .audience-grid,
  .mission-grid,
  .abstraction-ledger,
  .contract-grid,
  .region-grid,
  .flow-grid,
  .metrics-grid,
  .quickstart-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 860px) {
  .hg-platform-subnav {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 14px;
    mask-image: linear-gradient(90deg, black 92%, transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, black 92%, transparent 100%);
  }

  .hero-essay,
  .audience-grid,
  .mission-grid,
  .abstraction-ledger,
  .contract-grid,
  .region-grid,
  .flow-grid,
  .trust-grid,
  .metrics-grid,
  .quickstart-grid {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .code-showcase-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-signal-grid {
    grid-template-columns: 1fr;
  }

  .hero-terminal {
    position: static;
    margin: 0 18px 18px;
  }

  .cosmos-shell {
    min-height: 280px;
  }
}

@media (max-width: 640px) {
  /* Keep product nav visible on Platform (console hides it for dense ops UI) */
  body.hg-platform .hg-platform-topbar-row .hg-topbar-nav {
    display: flex !important;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 4px;
    max-width: 100%;
  }

  .hero-essay,
  .doc-section {
    padding: 18px;
  }

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

  .code-block,
  .diagram-box pre {
    font-size: 0.72rem;
  }

  h1 {
    font-size: clamp(1.85rem, 10vw, 2.6rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cosmos-ring {
    animation: none !important;
  }
}