/* StonkBuilder Community · Neuralink Research Hub & Pitch Deck (/neuralink) */
:root {
  color-scheme: light dark;
  --bg: #f3f7f8;
  --surface: #ffffff;
  --surface-alt: #e9f1f3;
  --surface-elev: #f8fbfc;
  --ink: #0d1821;
  --ink-muted: #425664;
  --border: #cbd9df;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --accent-soft: rgba(15, 118, 110, 0.11);
  --blue: #0284c7;
  --blue-soft: rgba(2, 132, 199, 0.11);
  --amber: #b45309;
  --amber-soft: rgba(180, 83, 9, 0.11);
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 10px 28px rgba(13, 24, 33, 0.06);
  --max-w: 1180px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1116;
    --surface: #121b22;
    --surface-alt: #18242e;
    --surface-elev: #152029;
    --ink: #ecf3f7;
    --ink-muted: #9cb0be;
    --border: #263845;
    --accent: #2dd4bf;
    --accent-strong: #5eead4;
    --accent-soft: rgba(45, 212, 191, 0.13);
    --blue: #38bdf8;
    --blue-soft: rgba(56, 189, 248, 0.13);
    --amber: #fbbf24;
    --amber-soft: rgba(251, 191, 36, 0.13);
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  }
}

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

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.62;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent-strong);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible,
.table-scroll:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
}

code {
  background: var(--surface-alt);
  padding: 0.12rem 0.38rem;
  border-radius: 5px;
  overflow-wrap: anywhere;
}

.wrap {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.15rem;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.5rem;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
}

/* Header & Navigation */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem 0.9rem;
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--ink);
}

.brand span {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand strong {
  font-size: 0.98rem;
  letter-spacing: -0.02em;
}

.brand small {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}

.crumb {
  color: var(--ink-muted);
}

.hub-crumb,
.current-crumb {
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
}

.page-nav {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  font-size: 0.88rem;
}

.page-nav a {
  text-decoration: none;
  color: var(--ink-muted);
  font-weight: 600;
  padding: 0.22rem 0.45rem;
  border-radius: 6px;
}

.page-nav a:hover,
.page-nav a[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-soft);
}

/* Notice banner */
.independent-banner {
  margin-top: 1.1rem;
  padding: 0.78rem 1rem;
  background: var(--amber-soft);
  border: 1px solid var(--amber);
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  color: var(--ink);
}

/* Hero & Pitch Deck Header */
.pitch-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
  gap: 1.5rem;
  margin-top: 1.25rem;
  padding: 1.65rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.kicker {
  margin: 0 0 0.45rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

h1,
h2,
h3 {
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin-top: 0;
}

h1 {
  font-size: clamp(1.65rem, 3.2vw, 2.45rem);
  margin-bottom: 0.85rem;
}

h2 {
  font-size: clamp(1.32rem, 2.3vw, 1.82rem);
  margin-bottom: 0.65rem;
}

h3 {
  font-size: 1.12rem;
  margin-bottom: 0.45rem;
}

.hero-lead,
.article-summary {
  font-size: 1.05rem;
  color: var(--ink-muted);
  margin: 0 0 1.2rem;
}

.hero-ctas,
.prestocks-ctas,
.section-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1rem 0 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.05rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease;
}

.btn-sm {
  padding: 0.38rem 0.75rem;
  font-size: 0.82rem;
}

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

@media (prefers-color-scheme: dark) {
  .btn-primary {
    color: #061311;
  }
}

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

.btn-secondary {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
}

.btn-ghost {
  background: var(--surface-alt);
  color: var(--ink);
  border-color: var(--border);
}

/* KPI Strip */
.kpi-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
  margin: 1.15rem 0;
}

.kpi-card {
  background: var(--surface-elev);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.85rem;
  display: flex;
  flex-direction: column;
}

.kpi-val {
  font-size: 1.32rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.15;
}

.kpi-lbl {
  font-size: 0.84rem;
  font-weight: 700;
  margin-top: 0.2rem;
}

.kpi-note {
  font-size: 0.74rem;
  color: var(--ink-muted);
  margin-top: 0.18rem;
}

/* Fact Sheet Aside */
.fact-card {
  background: var(--surface-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.fact-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
  margin-bottom: 0.6rem;
  font-weight: 700;
}

.fact-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}

.fact-table th,
.fact-table td {
  padding: 0.35rem 0.25rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.fact-table th {
  color: var(--ink-muted);
  width: 40%;
  font-weight: 600;
}

.official-links-box {
  margin-top: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.official-label {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
}

.official-chip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.42rem 0.65rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 7px;
  text-decoration: none;
  font-size: 0.8rem;
}

.official-chip span {
  color: var(--ink-muted);
  font-size: 0.75rem;
  text-align: right;
}

/* Sections & Grids */
.section {
  margin-top: 2.4rem;
  padding-top: 0.5rem;
}

.section-head {
  margin-bottom: 1.2rem;
}

.sub-heading {
  margin: 1.5rem 0 0.8rem;
  font-size: 1.15rem;
  color: var(--accent);
}

.path-grid,
.cluster-grid,
.video-grid,
.slide-mini-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(265px, 1fr));
  gap: 1rem;
}

.path-card,
.cluster-card,
.video-grid-card,
.slide-mini {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem;
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.path-card:hover,
.cluster-card:hover,
.slide-mini:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.path-step,
.cluster-kicker,
.slide-num {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.cluster-tutorial {
  border-left: 4px solid var(--blue);
}

.path-card p,
.cluster-card p,
.video-grid-card p {
  font-size: 0.9rem;
  color: var(--ink-muted);
  margin: 0.35rem 0 0.85rem;
}

.path-cta,
.cluster-foot {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--accent);
}

/* Inline SVG Diagrams */
.nl-diagram {
  margin: 1.25rem 0;
  padding: 1.15rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.nl-diagram-head {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-bottom: 0.85rem;
}

.nl-diagram-kicker {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.nl-svg {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

.nl-diagram-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
  margin-top: 0.9rem;
}

.nl-diagram-card {
  background: var(--surface-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
}

.nl-diagram-card span {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
}

.nl-diagram-card p {
  margin: 0.3rem 0 0;
  font-size: 0.84rem;
  color: var(--ink-muted);
}

.nl-mint-check {
  display: grid;
  gap: 0.65rem;
}

.nl-mint-row {
  padding: 0.75rem;
  background: var(--surface-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.nl-mint-badge {
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--accent);
}

.nl-mint-row p {
  margin: 0.25rem 0 0;
  font-size: 0.88rem;
}

/* Privacy-Gated YouTube Media Embed Cards */
.two-col-media {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.nl-media-card {
  margin: 1.25rem 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.nl-media-frame,
.nl-restricted-frame {
  position: relative;
  width: 100%;
  min-height: 250px;
  background: #09131a;
  color: #f1f7fa;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.35rem;
}

.nl-media-poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  pointer-events: none;
}

.nl-media-overlay,
.nl-restricted-overlay {
  position: relative;
  z-index: 2;
  max-width: 660px;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.nl-media-title {
  font-size: 1.18rem;
  color: #ffffff;
}

.nl-media-note {
  margin: 0;
  font-size: 0.85rem;
  color: #cbd5e1;
}

.nl-media-buttons,
.nl-restricted-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.35rem;
}

.media-player {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  display: block;
}

.nl-media-meta {
  padding: 0.75rem 1rem;
  background: var(--surface-elev);
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--ink-muted);
}

.nl-media-meta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
}

.nl-media-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.nl-video-caption {
  margin: 0.45rem 0 0;
  color: var(--ink);
  font-size: 0.86rem;
}

.nl-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  background: var(--surface-alt);
  color: var(--ink);
  border: 1px solid var(--border);
}

.nl-badge-teal {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
}

.nl-badge-amber,
.nl-restricted-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--amber-soft);
  color: var(--amber);
  border: 1px solid var(--amber);
  width: fit-content;
}

.nl-chip-link {
  font-weight: 700;
  font-size: 0.82rem;
  text-decoration: none;
}

/* Tables */
.table-scroll {
  width: 100%;
  overflow-x: auto;
  margin: 1.15rem 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

table.data caption {
  text-align: left;
  padding: 0.75rem 0.95rem;
  font-weight: 700;
  font-size: 0.84rem;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--border);
  background: var(--surface-elev);
}

table.data th,
table.data td {
  padding: 0.72rem 0.9rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

table.data thead th {
  background: var(--surface-alt);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ev-sub {
  display: block;
  font-weight: 400;
  color: var(--ink-muted);
  margin-top: 0.2rem;
}

.copy-btn {
  margin-left: 0.45rem;
  padding: 0.18rem 0.55rem;
  font-size: 0.76rem;
  font-weight: 700;
  border-radius: 5px;
  border: 1px solid var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  cursor: pointer;
}

/* PreStocks Panel & Crypto Primer */
.prestocks-panel,
.pitch-preview-box {
  margin-top: 2.4rem;
  padding: 1.45rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.prestocks-panel-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.crypto-primer,
.faq-item,
.official-desc-box {
  margin-top: 0.85rem;
  background: var(--surface-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
}

.crypto-primer summary,
.faq-item summary,
.official-desc-box summary {
  font-weight: 700;
  cursor: pointer;
}

.primer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 0.75rem;
  margin-top: 0.85rem;
}

.primer-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  font-size: 0.85rem;
}

.primer-card p {
  margin: 0.3rem 0 0;
  color: var(--ink-muted);
}

/* Glossary & Sources */
.glossary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.85rem;
  margin: 0;
}

.glossary-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.9rem;
}

.glossary-item dt {
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

.glossary-item dd {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.sources-box {
  margin-top: 2.5rem;
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.sources-list {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.86rem;
  display: grid;
  gap: 0.45rem;
}

.source-date {
  color: var(--ink-muted);
}

/* Article & Tutorial Pages */
.article-hero {
  margin-top: 1.25rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.75rem;
}

.takeaways-box {
  margin-top: 1rem;
  padding: 1rem 1.15rem;
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
}

.takeaways-box ul {
  margin: 0.45rem 0 0;
  padding-left: 1.2rem;
}

.takeaways-box li {
  margin-bottom: 0.35rem;
}

.prose {
  margin-top: 1.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.prose h2 {
  margin-top: 1.65rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.prose h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.callout {
  margin: 1.2rem 0;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--blue);
  background: var(--blue-soft);
}

.callout-warn {
  border-left-color: var(--amber);
  background: var(--amber-soft);
}

.steps-section {
  margin-top: 1.5rem;
}

.steps-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.9rem;
}

.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 1.1rem;
}

.step-num {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
}

.step-check {
  margin: 0.5rem 0 0;
  padding: 0.55rem 0.75rem;
  background: var(--surface-alt);
  border-radius: 6px;
  font-size: 0.86rem;
}

.evidence-split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.ev-box {
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-elev);
}

.ev-pro {
  border-top: 3px solid var(--accent);
}

.ev-limit {
  border-top: 3px solid var(--amber);
}

.official-desc-pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--surface);
  padding: 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 0.82rem;
}

/* Video Library Filter & Cards */
.filter-bar {
  margin-top: 1.25rem;
  padding: 1.15rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.filter-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.85rem;
}

.filter-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.filter-field input,
.filter-field select {
  width: 100%;
  padding: 0.52rem 0.65rem;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--surface-elev);
  color: var(--ink);
  font-size: 0.88rem;
}

.filter-status {
  margin: 0.75rem 0 0;
  font-size: 0.84rem;
  color: var(--ink-muted);
  font-weight: 600;
}

.video-lib-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.video-lib-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.vlc-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.55rem;
}

.vlc-num {
  font-weight: 800;
  color: var(--accent);
  font-size: 0.86rem;
}

.vlc-sub {
  font-size: 0.88rem;
  color: var(--ink-muted);
  margin: 0.25rem 0 0.5rem;
}

.vlc-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.65rem;
  margin-top: 0.85rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-size: 0.84rem;
}

.vlc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* 16-Slide Pitch Deck View */
.deck-toc {
  margin-top: 1.25rem;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.deck-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
}

.deck-step-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.deck-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.deck-pill {
  padding: 0.28rem 0.6rem;
  border-radius: 6px;
  background: var(--surface-elev);
  border: 1px solid var(--border);
  text-decoration: none;
  font-size: 0.78rem;
  color: var(--ink);
}

.deck-pill span {
  font-weight: 800;
  color: var(--accent);
}

.deck-slide {
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 5px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.deck-slide-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
}

.slide-counter {
  margin-left: auto;
  font-weight: 800;
  color: var(--ink-muted);
  font-size: 0.85rem;
}

.deck-slide-sub {
  color: var(--ink-muted);
  margin: 0 0 1rem;
}

.slide-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
  gap: 0.65rem;
  margin-bottom: 1.15rem;
}

.slide-metric {
  padding: 0.65rem 0.8rem;
  background: var(--surface-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.slide-metric span {
  display: block;
  font-size: 0.74rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  font-weight: 700;
}

.slide-metric strong {
  font-size: 0.96rem;
  color: var(--accent);
}

.slide-takeaway {
  margin-top: 0.9rem;
  padding: 0.75rem 0.95rem;
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

.slide-video-ref {
  margin-top: 0.75rem;
  font-size: 0.86rem;
}

@media (min-width: 960px) {
  .deck-slide-body {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 1.35rem;
    align-items: start;
  }
  .deck-slide-visual .nl-diagram {
    margin-top: 0;
  }
}

.deck-slide-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 1.1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--ink-muted);
}

/* Footer */
.footer {
  margin-top: 3rem;
  padding: 2rem 0 2.5rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
  font-size: 0.86rem;
  color: var(--ink-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 1.5rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 0.5rem 0.9rem;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 860px) {
  .pitch-hero,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .page-nav {
    margin-left: 0;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .wrap {
    padding: 0 0.8rem;
  }
  .pitch-hero,
  .article-hero,
  .prose,
  .deck-slide {
    padding: 1rem;
  }
}