/* ================================================================
   AccumulateNodes documentation site — shared stylesheet
   Palette lifted directly from BizFirst's live dark theme
   (bizfirstai.com/website/assets/css/b-theme-dark.css), so this
   site is a genuine sibling of the EdgeStream product page, not a
   generic approximation.
   ================================================================ */

:root {
  /* Brand */
  --color-primary:        #16A34A;
  --color-primary-hover:  #15803D;
  --color-primary-light:  #22C55E;
  --color-primary-subtle: rgba(22, 163, 74, 0.12);
  --color-logo:           #0A6C0C;

  /* Backgrounds */
  --bg-base:           #080F08;
  --bg-raised:         #0C150C;
  --bg-surface:        #172017;
  --bg-surface-hover:  #1E2B1E;
  --bg-overlay:        rgba(8, 15, 8, 0.9);

  /* Text */
  --text-primary:   #F0FDF4;
  --text-secondary: #D1FAE5;
  --text-muted:     #86EFAC;
  --text-disabled:  #4B7055;
  --text-inverse:   #080F08;

  /* Borders */
  --border-subtle:  rgba(22, 163, 74, 0.08);
  --border-default: rgba(22, 163, 74, 0.15);
  --border-strong:  rgba(22, 163, 74, 0.30);
  --border-primary: rgba(22, 163, 74, 0.50);

  /* Status */
  --color-success:        #22C55E;
  --color-success-subtle: rgba(34, 197, 94, 0.12);
  --color-warning:        #F59E0B;
  --color-warning-subtle: rgba(245, 158, 11, 0.12);
  --color-error:          #EF4444;
  --color-error-subtle:   rgba(239, 68, 68, 0.12);
  --color-info:           #3B82F6;
  --color-info-subtle:    rgba(59, 130, 246, 0.12);

  /* Typography */
  --font-family:      'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, Consolas, monospace;

  /* Layout */
  --header-height:  72px;
  --sidebar-width:  272px;
  --container-max:  1180px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;

  --glow-primary: 0 0 40px rgba(22, 163, 74, 0.30);
  --card-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
  --card-shadow-hover: 0 8px 40px rgba(22, 163, 74, 0.18);
}

/* ── Reset ─────────────────────────────────────────────────── */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text-secondary);
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--text-primary); }

h1, h2, h3, h4 {
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 0 0 0.6em;
}
h1 { font-size: clamp(2rem, 3.4vw, 2.75rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 2.4vw, 1.9rem); margin-top: 2.6em; }
h3 { font-size: 1.25rem; margin-top: 2em; }
h4 { font-size: 1.05rem; margin-top: 1.6em; color: var(--text-secondary); }

p { margin: 0 0 1.1em; color: var(--text-secondary); }
p.lead { font-size: 1.15rem; color: var(--text-secondary); line-height: 1.7; }

ul, ol { margin: 0 0 1.1em; padding-left: 1.4em; color: var(--text-secondary); }
li { margin-bottom: 0.4em; }
li::marker { color: var(--color-primary); }

code {
  font-family: var(--font-family-mono);
  font-size: 0.87em;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 4px;
  padding: 0.1em 0.4em;
  color: var(--color-primary-light);
}

pre {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 1.1em 1.3em;
  overflow-x: auto;
  font-family: var(--font-family-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-primary-light);
}
pre code { background: none; border: none; padding: 0; color: inherit; }

hr {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: 2.5em 0;
}

svg.icon {
  width: 1em;
  height: 1em;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: -0.15em;
}

/* ── Skip link ─────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.6em 1em;
  z-index: 1000;
  border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; }

/* ── Header ────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  z-index: 300;
  display: flex;
  align-items: center;
  background: rgba(8, 15, 8, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-default);
}

.site-header__inner {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  min-width: 0;
}

.brand__logo {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  object-fit: contain;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  flex-shrink: 0;
}

.brand__text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand__name { font-weight: 800; font-size: 1.05rem; color: var(--text-primary); letter-spacing: -0.01em; white-space: nowrap; }
.brand__tagline { font-size: 0.72rem; color: var(--text-muted); white-space: nowrap; }

.header-actions { display: flex; align-items: center; gap: 0.6rem; }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.35em 0.8em;
  border-radius: var(--radius-full);
  background: var(--color-warning-subtle);
  color: var(--color-warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
  white-space: nowrap;
}
.status-pill__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55em 1.1em;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-primary);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}
.btn:hover { background: var(--color-primary-subtle); color: var(--text-primary); border-color: var(--color-primary); }
.btn--primary { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-hover); color: #fff; box-shadow: var(--glow-primary); }

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  width: 38px; height: 38px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ── Layout shell ──────────────────────────────────────────── */
.shell {
  display: flex;
  max-width: 1440px;
  margin: 0 auto;
  padding-top: var(--header-height);
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  position: sticky;
  top: var(--header-height);
  align-self: flex-start;
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
  padding: 1.75rem 1rem 3rem 1.75rem;
  border-right: 1px solid var(--border-subtle);
}
.sidebar::-webkit-scrollbar { width: 8px; }
.sidebar::-webkit-scrollbar-track { background: var(--bg-raised); }
.sidebar::-webkit-scrollbar-thumb { background: var(--bg-surface); border-radius: 4px; }

.sidebar__group-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-disabled);
  margin: 1.6rem 0 0.6rem;
  padding: 0 0.75rem;
}
.sidebar__group-label:first-child { margin-top: 0; }

.sidebar__nav { list-style: none; margin: 0; padding: 0; }
.sidebar__nav li { margin: 0 0 2px; }

.sidebar__link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  border: 1px solid transparent;
}
.sidebar__link svg.icon { width: 17px; height: 17px; flex-shrink: 0; color: var(--text-muted); }
.sidebar__link:hover { background: var(--bg-surface); color: var(--text-primary); }
.sidebar__link.is-active {
  background: var(--color-primary-subtle);
  border-color: var(--border-primary);
  color: var(--text-primary);
}
.sidebar__link.is-active svg.icon { color: var(--color-primary-light); }
.sidebar__code {
  margin-left: auto;
  font-family: var(--font-family-mono);
  font-size: 0.65rem;
  color: var(--text-disabled);
}

.sidebar__foot {
  margin-top: 2rem;
  padding: 0.9rem 0.9rem;
  border-radius: var(--radius-md);
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.sidebar__foot a { color: var(--color-primary-light); }

main.content {
  flex: 1;
  min-width: 0;
  padding: 2.75rem 3rem 6rem;
}
main.content.is-home { padding: 0 0 6rem; }

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; }

/* ── Breadcrumb / page kicker ─────────────────────────────── */
.page-kicker {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.9rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.page-kicker__icon {
  width: 30px; height: 30px;
  border-radius: var(--radius-md);
  background: var(--color-primary-subtle);
  border: 1px solid var(--border-primary);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary-light);
}
.page-kicker__icon svg.icon { width: 16px; height: 16px; }

.page-lede { font-size: 1.1rem; color: var(--text-secondary); max-width: 62em; }

/* ── Badges ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.28em 0.65em;
  border-radius: var(--radius-full);
  white-space: nowrap;
  border: 1px solid transparent;
}
.badge--mvp { background: var(--color-success-subtle); color: var(--color-success); border-color: rgba(34,197,94,0.3); }
.badge--phase2 { background: var(--color-warning-subtle); color: var(--color-warning); border-color: rgba(245,158,11,0.3); }
.badge--core { background: rgba(255,255,255,0.06); color: var(--text-secondary); border-color: var(--border-default); }
.badge--open { background: var(--color-error-subtle); color: #FCA5A5; border-color: rgba(239,68,68,0.3); }
.badge svg.icon { width: 11px; height: 11px; }

/* ── Cards / grid ──────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
@media (max-width: 980px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .card-grid { grid-template-columns: 1fr; } }

.res-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}
.res-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--card-shadow-hover);
}
.res-card__icon {
  width: 42px; height: 42px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-subtle);
  border: 1px solid var(--border-primary);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary-light);
  margin-bottom: 1rem;
}
.res-card__icon svg.icon { width: 21px; height: 21px; }
.res-card__title { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.4rem; }
.res-card__desc { font-size: 0.87rem; color: var(--text-muted); line-height: 1.55; margin-bottom: 1rem; flex: 1; }
.res-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-disabled);
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
}
.res-card__meta strong { color: var(--color-primary-light); font-family: var(--font-family-mono); }
.res-card__link { display: inline-flex; align-items: center; gap: 0.3em; color: var(--color-primary-light); font-weight: 600; font-size: 0.8rem; }

/* ── Tables ────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border-default); margin: 1.5rem 0 2rem; }
table.op-table { width: 100%; border-collapse: collapse; font-size: 0.86rem; background: var(--bg-surface); min-width: 760px; }
table.op-table th {
  text-align: left;
  background: var(--bg-raised);
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-default);
  white-space: nowrap;
}
table.op-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
  color: var(--text-secondary);
}
table.op-table tr:last-child td { border-bottom: none; }
table.op-table tr:hover td { background: var(--bg-raised); }
table.op-table td.op-code { font-family: var(--font-family-mono); color: var(--color-primary-light); font-weight: 700; white-space: nowrap; }
table.op-table td.op-maps { font-family: var(--font-family-mono); font-size: 0.8rem; color: var(--text-secondary); white-space: nowrap; }
table.op-table td.op-star { color: var(--color-warning); }

/* ── Callouts ──────────────────────────────────────────────── */
.callout {
  display: flex;
  gap: 0.9rem;
  padding: 1.1rem 1.3rem;
  border-radius: var(--radius-lg);
  margin: 1.5rem 0;
  border: 1px solid var(--border-default);
  background: var(--bg-surface);
}
.callout__icon { flex-shrink: 0; width: 22px; height: 22px; color: var(--color-primary-light); margin-top: 0.1rem; }
.callout__body p:last-child { margin-bottom: 0; }
.callout__title { font-weight: 700; color: var(--text-primary); margin-bottom: 0.3rem; font-size: 0.92rem; }

.callout--business { background: var(--color-primary-subtle); border-color: var(--border-primary); }
.callout--business .callout__icon { color: var(--color-primary-light); }

.callout--open { background: var(--color-warning-subtle); border-color: rgba(245,158,11,0.35); }
.callout--open .callout__icon { color: var(--color-warning); }
.callout--open .callout__title { color: var(--color-warning); }

.callout--decided { background: rgba(255,255,255,0.03); border-color: var(--border-default); }
.callout--decided .callout__icon { color: var(--color-success); }
.callout--decided .callout__title { color: var(--color-success); }

.callout--info { background: var(--color-info-subtle); border-color: rgba(59,130,246,0.3); }
.callout--info .callout__icon { color: var(--color-info); }

/* ── Open Questions list ───────────────────────────────────── */
.oq-list { list-style: none; margin: 1.5rem 0; padding: 0; display: flex; flex-direction: column; gap: 0.9rem; }
.oq-item {
  padding: 1rem 1.2rem;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-left: 3px solid var(--color-warning);
}
.oq-item__label {
  display: flex; align-items: center; gap: 0.5em;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--color-warning); margin-bottom: 0.4rem;
}
.oq-item p { margin: 0; font-size: 0.9rem; color: var(--text-secondary); }

/* ── Mermaid diagram frame ─────────────────────────────────── */
.diagram-frame {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  margin: 1.5rem 0 2rem;
  overflow-x: auto;
  min-height: 320px;
  display: flex;
  flex-direction: column;
}
.diagram-frame__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 0.9rem;
}
/* useMaxWidth:false in mermaid-init.js renders diagrams at native size —
   min-height above gives short-but-wide flowcharts (e.g. LR direction)
   room to breathe instead of collapsing to their tight intrinsic height;
   overflow-x above handles the resulting horizontal scroll on wide ones. */
.mermaid {
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
  min-height: 280px;
}
.mermaid svg { min-height: 280px; }

/* Animated dashed edges — Mermaid renders flowchart / sequence
   diagram connectors as SVG <path>/<line> elements with these
   class names; animate the dash offset so data flow reads as
   "moving" rather than static. */
.mermaid .flowchart-link,
.mermaid .edgePath path,
.mermaid path.path,
.mermaid .messageLine0,
.mermaid .messageLine1 {
  stroke-dasharray: 6 5;
  animation: dash-flow 1.4s linear infinite;
}
@keyframes dash-flow {
  to { stroke-dashoffset: -22; }
}
.mermaid .edgeLabel { color: var(--text-primary) !important; }

/* ── Decision / status strip ───────────────────────────────── */
.decision-strip { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1.25rem 0 2rem; }
.decision-chip {
  display: inline-flex; align-items: center; gap: 0.4em;
  font-size: 0.76rem; font-weight: 600;
  padding: 0.4em 0.8em;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
}
.decision-chip svg.icon { width: 13px; height: 13px; color: var(--color-primary-light); }

/* ── Stats row (home) ──────────────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-default);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.stat-cell { background: var(--bg-surface); padding: 1.6rem 1.2rem; text-align: center; }
.stat-cell__num { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 900; color: var(--color-primary-light); line-height: 1; margin-bottom: 0.4rem; }
.stat-cell__label { font-size: 0.8rem; color: var(--text-muted); }
@media (max-width: 768px) { .stats-row { grid-template-columns: repeat(2, 1fr); } }

/* ── Hero (home page) ──────────────────────────────────────── */
.hero {
  position: relative;
  padding: 4.5rem 1.5rem 3.5rem;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 15% 30%, rgba(22, 163, 74, 0.14) 0%, transparent 55%),
    radial-gradient(circle at 85% 20%, rgba(34, 197, 94, 0.08) 0%, transparent 55%),
    radial-gradient(circle at 50% 90%, rgba(22, 163, 74, 0.07) 0%, transparent 50%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; max-width: var(--container-max); margin: 0 auto; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 0.5em;
  background: var(--color-primary-subtle);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-full);
  padding: 0.35em 0.9em;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: 1.4rem;
}
.hero__eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-primary-light); animation: pulse-dot 2s ease-in-out infinite; }
@keyframes pulse-dot { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.75); } }

.hero__title { font-size: clamp(2.2rem, 4.4vw, 3.4rem); max-width: 20em; }
.hero__title .accent { color: var(--color-primary-light); }
.hero__lede { font-size: 1.18rem; color: var(--text-secondary); max-width: 46em; line-height: 1.7; margin-bottom: 2rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 3rem; }

/* ── Section wrapper (home) ────────────────────────────────── */
.section { padding: 3.5rem 1.5rem; }
.section--alt { background: var(--bg-raised); border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); }
.section__inner { max-width: var(--container-max); margin: 0 auto; }
.section__head { max-width: 46em; margin-bottom: 2.25rem; }
.section__kicker { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-primary-light); margin-bottom: 0.6rem; }

/* ── Two-column feature ────────────────────────────────────── */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 900px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}
.feature-item__icon {
  width: 40px; height: 40px; border-radius: var(--radius-lg);
  background: var(--color-primary-subtle); border: 1px solid var(--border-primary);
  display: flex; align-items: center; justify-content: center; color: var(--color-primary-light);
  margin-bottom: 1rem;
}
.feature-item__icon svg.icon { width: 20px; height: 20px; }
.feature-item h3 { margin-top: 0; font-size: 1rem; }
.feature-item p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 0; }

/* ── Steps (getting started) ───────────────────────────────── */
.steps { display: flex; flex-direction: column; gap: 1.5rem; margin-top: 1.5rem; }
.step { display: grid; grid-template-columns: 48px 1fr; gap: 1.25rem; }
.step__num {
  width: 48px; height: 48px; border-radius: 50%;
  border: 2px solid var(--color-primary); background: var(--color-primary-subtle);
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 1.1rem; color: var(--color-primary-light); flex-shrink: 0;
}
.step__title { font-weight: 700; color: var(--text-primary); margin-bottom: 0.3rem; }
.step__desc { color: var(--text-muted); font-size: 0.92rem; }
@media (max-width: 600px) { .step { grid-template-columns: 36px 1fr; } .step__num { width: 36px; height: 36px; font-size: 0.9rem; } }

/* ── Footer ────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: #040A04;
  padding: 2.5rem 1.5rem;
}
.site-footer__inner {
  max-width: 1440px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1.25rem;
}
.site-footer__links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.site-footer__links a { font-size: 0.85rem; color: var(--text-muted); }
.site-footer__links a:hover { color: var(--color-primary-light); }
.site-footer__copy { font-size: 0.78rem; color: var(--text-disabled); }

/* ── Mobile ────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .brand__tagline { display: none; }
  .menu-toggle { display: inline-flex; }
  .sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    height: calc(100vh - var(--header-height));
    background: var(--bg-base);
    border-right: 1px solid var(--border-default);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    z-index: 250;
    width: 84vw;
    max-width: 320px;
  }
  .sidebar.is-open { transform: translateX(0); box-shadow: 12px 0 40px rgba(0,0,0,0.5); }
  main.content { padding: 2.25rem 1.25rem 4rem; }
  .card-grid, .feature-grid { grid-template-columns: 1fr; }
}