/* NovaPanda docs site ? shared (light-first, Stripe/Linear air) */
:root {
  color-scheme: light;
  --bg: #F8FAFC;
  --card: #ffffff;
  --text: #0F172A;
  --muted: #64748B;
  --accent: #0EA5E9;
  --accent-soft: #E0F2FE;
  --ok: #10B981;
  --border: #E2E8F0;
  --ink: #0F172A;
  --ink-hover: #1E293B;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.08);
  --radius: 14px;
  --crimson: #E11D48;
  --const-body: #334155;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Songti SC", "Noto Serif SC", Georgia, serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", system-ui, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
.wrap { max-width: 52rem; margin: 0 auto; padding: 0 1.25rem 4rem; }
.wrap-wide { max-width: 68rem; margin: 0 auto; padding: 0 1.5rem; }
.site-nav {
  display: flex; flex-wrap: wrap; gap: .35rem 1.1rem; align-items: center;
  padding: 1rem 0 1.5rem; font-size: .92rem; border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}
.site-nav strong { margin-right: .5rem; font-size: 1rem; }
.site-nav a { text-decoration: none; color: var(--muted); }
.site-nav a:hover, .site-nav a.active { color: var(--accent); }

/* Subpage blue hero (constitution / vision) ? kept, softened */
.hero {
  background: linear-gradient(135deg, #0c4a6e 0%, #0369a1 55%, #0ea5e9 100%);
  color: #fff; padding: 2.75rem 1.25rem 3rem; margin: 0 -1.25rem 2rem;
  border-radius: 0 0 20px 20px;
}
.hero h1 { font-size: clamp(1.6rem, 4vw, 2.35rem); margin: 0 0 .85rem; line-height: 1.25; }
.hero .lead { font-size: 1.05rem; opacity: .95; max-width: 40rem; margin: 0; }
.pill {
  display: inline-block; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.28);
  border-radius: 999px; padding: .2rem .7rem; font-size: .78rem; margin-bottom: .85rem;
}
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.2rem 1.35rem; margin-bottom: 1rem; box-shadow: var(--shadow);
  transition: transform .3s ease, box-shadow .3s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.card h2 { font-size: 1.05rem; margin: 0 0 .65rem; }
.card p { margin: 0; color: var(--muted); font-size: .94rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .85rem; }
.principle {
  background: var(--accent-soft); border-radius: 10px; padding: .85rem 1rem;
  border: 1px solid var(--border);
}
.principle b { display: block; margin-bottom: .25rem; font-size: .92rem; }
.principle span { font-size: .85rem; color: var(--muted); }
.stack { display: flex; flex-direction: column; gap: .5rem; margin: 1rem 0; }
.layer {
  display: grid; grid-template-columns: 7rem 1fr; gap: .75rem; align-items: start;
  padding: .75rem 1rem; border-radius: 10px; border: 1px solid var(--border); background: var(--card);
}
.layer .tag { font-size: .75rem; font-weight: 700; text-transform: uppercase; color: var(--accent); padding-top: .15rem; }
.layer .name { font-weight: 600; margin-bottom: .15rem; }
.layer .desc { font-size: .88rem; color: var(--muted); }
.open-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.open-table th, .open-table td { text-align: left; padding: .6rem .5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.open-table th { color: var(--muted); font-weight: 600; }
.btn-row { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1.25rem; align-items: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .7rem 1.25rem; border-radius: 10px; text-decoration: none;
  font-weight: 600; font-size: .92rem; border: 1px solid transparent;
  transition: background .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.btn-primary { background: #fff; color: var(--accent); }
.btn-ghost { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.35); }
.btn-dark { background: var(--accent); color: #fff; }
.btn-ink {
  background: var(--ink); color: #fff;
}
.btn-ink:hover { background: var(--ink-hover); color: #fff; transform: translateY(-1px); }
.btn-sky {
  background: var(--accent); color: #fff;
}
.btn-sky:hover { background: #0284c7; color: #fff; }
.btn-text {
  background: transparent; color: var(--muted); padding-left: .35rem; padding-right: .35rem;
}
.btn-text:hover { color: var(--text); }
.brand-figure {
  margin: 0 0 1.5rem; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--border); background: #0f1624; box-shadow: var(--shadow);
}
.brand-figure img { display: block; width: 100%; height: auto; }
.brand-figure figcaption {
  padding: .55rem .85rem; font-size: .82rem; color: var(--muted);
  border-top: 1px solid var(--border); background: var(--card);
}
.dev-tool-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: .85rem; margin-bottom: 1rem;
}
.dev-tool-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 1rem 1.1rem; box-shadow: var(--shadow);
  transition: transform .3s ease, box-shadow .3s ease;
}
.dev-tool-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.dev-tool-card h3 { margin: 0 0 .35rem; font-size: .98rem; }
.dev-tool-card p { margin: 0; font-size: .88rem; color: var(--muted); }
.dev-tool-card .surface-tag { margin-bottom: .5rem; }
.node-strip {
  font-size: .9rem; color: var(--muted);
}
.node-strip a { font-weight: 600; }
.section-title { font-size: 1.2rem; margin: 2rem 0 1rem; }
.note {
  font-size: .88rem; color: var(--muted); border-left: 3px solid var(--border);
  padding-left: .85rem; margin-top: 2rem;
}
code { font-size: .88em; background: rgba(127,127,127,.12); padding: .1rem .35rem; border-radius: 4px; }
pre { background: rgba(127,127,127,.1); padding: .85rem 1rem; overflow-x: auto; border-radius: 8px; font-size: .85rem; }
footer { margin-top: 2.5rem; font-size: .82rem; color: var(--muted); }

/* Constitution / manifesto */
.page-hero {
  position: relative; overflow: hidden;
  background: linear-gradient(145deg, #021a3a 0%, #054491 42%, #0a5bc4 100%);
  color: #fff; padding: 3rem 1.25rem 3.25rem; margin: 0 -1.25rem 2.5rem;
  border-radius: 0 0 24px 24px;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 90% 10%, rgba(255,255,255,.12), transparent 55%),
              radial-gradient(ellipse 50% 40% at 10% 90%, rgba(120,180,255,.15), transparent 50%);
  pointer-events: none;
}
.page-hero-inner { position: relative; max-width: 40rem; }
.page-hero .eyebrow {
  font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; opacity: .8; margin-bottom: .75rem;
}
.page-hero h1 {
  font-size: clamp(1.75rem, 4.5vw, 2.6rem); margin: 0 0 1rem; line-height: 1.2; font-weight: 700;
}
.page-hero .manifesto {
  font-size: clamp(1.05rem, 2.5vw, 1.2rem); line-height: 1.7; opacity: .94; margin: 0 0 1.25rem;
}
.page-hero .manifesto strong { color: #fff; font-weight: 600; }
.redline-strip {
  display: flex; flex-wrap: wrap; gap: .5rem 1rem; font-size: .82rem; opacity: .88; margin-top: 1rem;
}
.redline-strip span::before { content: "?"; margin-right: .35rem; opacity: .6; }
.redline-strip span:first-child::before { content: none; }
.litmus-box {
  background: var(--card); border: 1px solid var(--border); border-left: 4px solid var(--accent);
  border-radius: 12px; padding: 1.25rem 1.35rem; margin: 1.5rem 0; box-shadow: var(--shadow);
}
.litmus-box .label { font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: .5rem; }
.litmus-box p { margin: 0; font-size: 1.02rem; color: var(--text); line-height: 1.6; }
.principle-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.75rem; height: 1.75rem; border-radius: 8px; background: var(--accent); color: #fff;
  font-size: .8rem; font-weight: 700; margin-bottom: .5rem;
}
.principle-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 1.1rem 1.2rem; box-shadow: var(--shadow);
}
.principle-card h3 { margin: 0 0 .35rem; font-size: 1rem; }
.principle-card p { margin: 0; font-size: .88rem; color: var(--muted); }
.layer-timeline { position: relative; padding-left: 1.5rem; margin: 1rem 0; }
.layer-timeline::before {
  content: ""; position: absolute; left: .45rem; top: .5rem; bottom: .5rem;
  width: 2px; background: linear-gradient(180deg, var(--accent), var(--border));
  border-radius: 2px;
}
.layer-timeline .layer { position: relative; margin-bottom: .65rem; }
.layer-timeline .layer::before {
  content: ""; position: absolute; left: -1.35rem; top: 1.1rem;
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent); border: 2px solid var(--card);
}
.layer-timeline .layer.highlight { border-color: var(--accent); background: var(--accent-soft); }
.section-lead { color: var(--muted); font-size: .94rem; margin: -.35rem 0 1rem; max-width: 38rem; }
.quote-soul {
  font-size: 1rem; color: var(--text); border-left: 3px solid var(--accent);
  padding: .5rem 0 .5rem 1rem; margin: 1rem 0 0; font-style: italic;
}
.path-flow { display: flex; flex-direction: column; gap: 0; margin: 1rem 0; }
.path-step {
  display: grid; grid-template-columns: 5.5rem 1fr; gap: 1rem; padding: 1rem 0;
  border-bottom: 1px dashed var(--border);
}
.path-step:last-child { border-bottom: none; }
.path-step .phase { font-size: .75rem; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: .06em; padding-top: .15rem; }
.path-step .title { font-weight: 600; margin-bottom: .2rem; }
.path-step .desc { font-size: .88rem; color: var(--muted); }
.belief-item { padding: .75rem 0; border-bottom: 1px solid var(--border); }
.belief-item:last-child { border-bottom: none; }
.belief-item strong { display: block; margin-bottom: .2rem; font-size: .95rem; }
.belief-item span { font-size: .88rem; color: var(--muted); }
.narrative-level { display: grid; grid-template-columns: 4rem 1fr; gap: .75rem; padding: .85rem 0; border-bottom: 1px solid var(--border); }
.narrative-level:last-child { border-bottom: none; }
.narrative-level .lv { font-weight: 700; color: var(--accent); font-size: .85rem; }
.draft-banner {
  background: #fff3cd; color: #664d03; border: 1px solid #ffc107;
  border-radius: 10px; padding: .75rem 1rem; margin: 1rem 0 1.5rem; font-size: .9rem;
}
.relocate-banner {
  background: #e8f4fc; color: #0c4a6e; border: 1px solid #7dd3fc;
  border-radius: 10px; padding: .75rem 1rem; margin: 0 0 1rem; font-size: .9rem;
}
.relocate-banner a { font-weight: 600; }
@media (prefers-color-scheme: dark) {
  .draft-banner { background: #3d3200; color: #ffe08a; border-color: #806600; }
  .relocate-banner { background: #0c4a6e; color: #e0f2fe; border-color: #0284c7; }
}
.lang-switch { margin-left: auto; font-size: .85rem; }
.lang-switch a { color: var(--muted); text-decoration: none; }
.lang-switch a:hover, .lang-switch a.active { color: var(--accent); }
.lang-switch a.active { font-weight: 600; }
.surface-row td:first-child { font-weight: 600; }
.surface-tag {
  display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .04em;
  text-transform: uppercase; color: var(--accent); background: var(--accent-soft);
  border-radius: 4px; padding: .1rem .4rem; margin-right: .35rem;
}

/* ?? Landing (novapanda.io homepage) ?? */
body.landing {
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(14, 165, 233, 0.08), transparent 55%),
    radial-gradient(ellipse 40% 30% at 100% 20%, rgba(16, 185, 129, 0.05), transparent 50%),
    var(--bg);
}
.landing-nav {
  position: sticky; top: 0; z-index: 40;
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.landing-nav-inner {
  display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.25rem;
  padding-top: .9rem; padding-bottom: .9rem;
}
.landing-nav .brand {
  display: inline-flex; align-items: baseline; gap: .35rem;
  text-decoration: none; color: var(--text); font-size: 1.05rem;
}
.landing-nav .brand strong { font-weight: 700; letter-spacing: -0.02em; }
.landing-nav .brand-tag { color: var(--muted); font-weight: 500; font-size: .92rem; }
.landing-nav .brand-tag-crimson { color: #E11D48; }
.landing-nav .nav-links {
  display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; flex: 1;
  justify-content: center; font-size: .9rem;
}
.landing-nav .nav-links a {
  text-decoration: none; color: var(--muted); font-weight: 500;
}
.landing-nav .nav-links a:hover,
.landing-nav .nav-links a.active { color: var(--text); }
.landing-nav .nav-links a.active { font-weight: 600; }
.landing-nav .nav-actions {
  display: flex; flex-wrap: wrap; align-items: center; gap: .65rem; margin-left: auto;
}
.landing-nav .btn { font-size: .85rem; padding: .55rem 1rem; }

.embodied-strip {
  display: flex; flex-wrap: wrap; align-items: center; gap: .45rem .75rem;
  padding: .65rem 1.5rem .85rem;
  font-size: .78rem; color: var(--muted);
  border-bottom: 1px solid var(--border);
}
.embodied-strip-label {
  font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  color: var(--accent); margin-right: .25rem;
}
.embodied-strip > span:not(.embodied-strip-label):not(.embodied-strip-note) {
  display: inline-block; padding: .2rem .55rem;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--card); color: var(--text); font-weight: 500;
}
.embodied-strip-note { margin-left: auto; font-size: .72rem; opacity: .85; }

.landing-hero {
  text-align: center; padding-top: 5.5rem; padding-bottom: 4.5rem;
}
.landing-hero h1 {
  margin: 0 auto .1em; max-width: 18ch;
  font-size: clamp(2.1rem, 5.5vw, 4.2rem);
  font-weight: 700; letter-spacing: -0.035em; line-height: 1.15;
  color: var(--text);
}
.landing-hero .hero-lead {
  margin: 1.35rem auto 0; max-width: 56rem;
  font-size: clamp(1rem, 1.45vw, 1.12rem); color: var(--muted); line-height: 1.65;
  text-wrap: balance;
}
.landing-hero .hero-figure {
  margin: 2rem auto 0; max-width: 56rem; text-align: left;
  border-radius: 16px; overflow: hidden;
  border: 1px solid var(--border);
  background: #0f1624;
  box-shadow: var(--shadow-lg);
}
.landing-hero .hero-figure figcaption {
  text-align: center; background: var(--card);
}
.landing-hero .hero-cta {
  justify-content: center; margin-top: 1.75rem; gap: .85rem 1.25rem;
}
.landing-hero .hero-meta {
  margin: 1.75rem 0 0; font-size: .85rem; color: var(--muted);
}
.landing-hero .hero-meta a { color: var(--muted); text-decoration: none; }
.landing-hero .hero-meta a:hover { color: var(--accent); }

.landing-section { padding: 2.5rem 1.5rem 1rem; }
.section-heading {
  margin: 0 0 .5rem; text-align: center;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem); font-weight: 700;
  letter-spacing: -0.02em; color: var(--text);
}
.section-sub {
  margin: 0 auto 2rem; text-align: center; max-width: 36rem;
  color: var(--muted); font-size: .98rem;
}

.split-compare {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem;
}
.split-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.75rem 1.6rem; box-shadow: var(--shadow);
  transition: transform .3s ease, box-shadow .3s ease;
}
.split-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.split-card h2 {
  margin: 0 0 .85rem; font-size: 1.15rem; line-height: 1.35; color: var(--text);
}
.split-card p { margin: 0; color: var(--muted); font-size: .95rem; line-height: 1.7; }
.split-card-accent {
  border-color: #bae6fd;
  background: linear-gradient(180deg, #fff 0%, #f0f9ff 100%);
}
.split-card-accent h2 { color: #0284c7; }

.pillar-grid, .eco-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem;
}
.pillar-card, .eco-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.5rem 1.35rem; box-shadow: var(--shadow);
  transition: transform .3s ease, box-shadow .3s ease;
}
.pillar-card:hover, .eco-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-lg);
}
.pillar-icon {
  font-size: .72rem; font-weight: 700; letter-spacing: .08em;
  color: var(--accent); margin-bottom: .75rem;
}
.pillar-card h3, .eco-card h3 {
  margin: 0 0 .55rem; font-size: 1.05rem; color: var(--text);
}
.pillar-card p, .eco-card p {
  margin: 0; font-size: .9rem; color: var(--muted); line-height: 1.65;
}
.eco-tag {
  display: inline-block; font-size: .7rem; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--ok); background: #ecfdf5;
  border: 1px solid #a7f3d0; border-radius: 6px; padding: .15rem .45rem; margin-bottom: .75rem;
}
.eco-card a {
  display: inline-block; margin-top: 1rem; font-size: .88rem; font-weight: 600;
  text-decoration: none;
}
.eco-card a:hover { text-decoration: underline; }

.final-cta {
  margin: 2rem 0 1rem; text-align: center;
  padding: 3rem 1.75rem;
  border-radius: 20px; border: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(14, 165, 233, 0.06) 0%, rgba(16, 185, 129, 0.05) 50%, rgba(248, 250, 252, 0.9) 100%),
    var(--card);
  box-shadow: var(--shadow);
}
.final-cta h2 {
  margin: 0 auto .75rem; max-width: min(40rem, 100%);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem); letter-spacing: -0.02em; line-height: 1.35;
  word-break: keep-all; line-break: strict; overflow-wrap: normal;
  text-wrap: pretty; white-space: nowrap;
}
@media (max-width: 640px) {
  .final-cta h2 { white-space: normal; }
}
.final-cta p {
  margin: 0 auto 1.5rem; max-width: 34rem; color: var(--muted); font-size: .95rem;
}

.landing-footer {
  padding: 3rem 1.5rem 3.5rem; text-align: center;
  border-top: 1px solid var(--border); margin-top: 2rem;
}
.landing-footer .footer-links {
  display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem 1.1rem;
  margin-bottom: 1rem; font-size: .88rem;
}
.landing-footer .footer-links a {
  color: var(--muted); text-decoration: none;
}
.landing-footer .footer-links a:hover { color: var(--text); }
.landing-footer p {
  margin: 0; font-size: .8rem; color: var(--muted); line-height: 1.7;
}

@media (max-width: 900px) {
  .landing-nav .nav-links { order: 3; width: 100%; justify-content: flex-start; }
  .split-compare, .pillar-grid, .eco-grid { grid-template-columns: 1fr; }
  .landing-hero { padding-top: 3.25rem; padding-bottom: 3rem; }
  .landing-hero h1 { max-width: none; }
  .redline-grid, .paradigm-split, .bound-split, .iface-grid, .gov-grid,
  .cap-compare, .cap-grid-3, .trial-split { grid-template-columns: 1fr; }
  .eco-mesh { grid-template-columns: 1fr 1fr; }
  .stack-flow { flex-direction: column; align-items: stretch; }
  .stack-arrow { transform: rotate(90deg); }
  .stack-step { width: 100%; }
}
@media (max-width: 560px) {
  .landing-nav .nav-actions .btn-ink { width: 100%; }
  .landing-nav .nav-actions { width: 100%; }
  .landing-hero .hero-cta { flex-direction: column; }
  .landing-hero .hero-cta .btn { width: 100%; }
  .const-cta .btn-row { flex-direction: column; align-items: stretch; }
  .eco-mesh { grid-template-columns: 1fr; }
  .trial-primary { width: 100%; text-align: center; }
}

/* ?? Constitution / whitepaper (????) ?? */
body.constitution-page {
  background:
    radial-gradient(ellipse 70% 40% at 50% -8%, rgba(225, 29, 72, 0.04), transparent 55%),
    var(--bg);
}
.const-hero {
  text-align: center;
  padding: 5rem 1.5rem 3.5rem;
}
.const-eyebrow {
  margin: 0 0 1.25rem;
  font-size: .72rem; font-weight: 600; letter-spacing: .16em;
  text-transform: uppercase; color: var(--crimson);
}
.const-hero h1 {
  margin: 0 auto; max-width: min(36rem, 100%);
  font-size: clamp(1.85rem, 4.2vw, 2.85rem);
  font-weight: 700; letter-spacing: -0.035em; line-height: 1.25;
  color: var(--text);
  word-break: keep-all; line-break: strict; overflow-wrap: normal;
  text-wrap: pretty;
}
.const-epigraph {
  margin: 2rem auto 0; max-width: 40rem;
  padding: 0; border: 0;
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  font-style: italic; line-height: 1.75;
  color: var(--const-body);
}
.const-credo {
  margin: 1.75rem auto 0; max-width: 34rem;
  font-size: .98rem; line-height: 1.75; color: var(--muted);
}
.const-section {
  padding: 2.75rem 1.5rem 0.5rem;
}
.const-section-title {
  margin: 0 0 .45rem; text-align: center;
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  font-weight: 700; letter-spacing: -0.02em; color: var(--text);
}
.const-section-lead {
  margin: 0 auto 1.75rem; text-align: center; max-width: 32rem;
  color: var(--muted); font-size: .95rem;
}

.redline-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem 1.25rem;
}
.redline-grid-5 {
  grid-template-columns: repeat(3, 1fr);
  max-width: 56rem;
  margin: 0 auto;
}
.redline-item {
  padding: 1.1rem 1.15rem 1.1rem 1.2rem;
  border-left: 2px solid var(--crimson);
  background: transparent;
}
.redline-item h3 {
  margin: 0 0 .35rem; font-size: 1rem; color: var(--text); letter-spacing: -0.01em;
}
.redline-item p {
  margin: 0; font-size: .9rem; color: var(--muted); line-height: 1.6;
}

.litmus-hero {
  margin: .5rem 0 1rem;
  padding: clamp(2.5rem, 5vw, 3.75rem) clamp(1.5rem, 4vw, 3rem);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
  text-align: center;
}
.litmus-label {
  margin: 0 0 1.5rem;
  font-size: .72rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--crimson);
}
.litmus-question {
  margin: 0 auto; max-width: 42rem;
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
  font-weight: 500; line-height: 1.7; color: var(--text);
}
.litmus-verdict {
  margin: 2rem 0 0; font-size: .95rem; color: var(--muted);
}
.litmus-verdict .ok { color: #059669; font-weight: 600; }
.litmus-verdict .no { color: var(--crimson); font-weight: 600; }
.litmus-verdict .sep { margin: 0 .45rem; opacity: .45; }

.paradigm-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
.paradigm-card {
  background: #fff; border: 1px solid var(--border); border-radius: 14px;
  padding: 1.5rem 1.4rem; box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
}
.paradigm-card-accent { border-color: #fecdd3; }
.paradigm-kicker {
  margin: 0 0 .5rem; font-size: .7rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
}
.paradigm-card-accent .paradigm-kicker { color: var(--crimson); }
.paradigm-card h3 { margin: 0 0 .55rem; font-size: 1.1rem; color: var(--text); }
.paradigm-card p { margin: 0; font-size: .92rem; color: var(--muted); line-height: 1.65; }

.const-gold {
  margin: 1.75rem auto 0; max-width: 36rem; text-align: center;
  font-family: var(--serif); font-size: 1.15rem; font-weight: 600;
  line-height: 1.6; color: var(--const-body);
}
.const-gold-sm { font-size: 1.02rem; font-weight: 500; }

.iron-list {
  list-style: none; margin: 0 auto; padding: 0; max-width: 40rem;
}
.iron-list li {
  display: grid; grid-template-columns: 3.25rem 1fr; gap: 1rem;
  padding: 1.15rem 0; border-bottom: 1px solid var(--border);
}
.iron-list li:first-child { border-top: 1px solid var(--border); }
.iron-num {
  font-size: .85rem; font-weight: 700; letter-spacing: .06em;
  color: var(--crimson); padding-top: .2rem;
}
.iron-list h3 { margin: 0 0 .25rem; font-size: 1.05rem; color: var(--text); }
.iron-list p { margin: 0; font-size: .92rem; color: var(--muted); line-height: 1.6; }

.stack-flow {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: .55rem .35rem; margin: .5rem 0 1rem;
}
.stack-step {
  display: flex; flex-direction: column; align-items: center; gap: .25rem;
  min-width: 6.5rem; padding: .85rem 1rem;
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
  font-size: .88rem; font-weight: 600; color: var(--text); text-align: center;
}
.stack-lv {
  font-size: .65rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted);
}
.stack-step-ops {
  border-color: #fecdd3;
  background: linear-gradient(180deg, #fff 0%, #fff1f2 100%);
}
.stack-step-ops .stack-lv { color: var(--crimson); }
.stack-arrow {
  color: #cbd5e1; font-size: 1.1rem; font-weight: 300; padding: 0 .15rem;
}

.iface-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
}
.iface-card {
  background: #fff; border: 1px solid var(--border); border-radius: 14px;
  padding: 1.35rem 1.25rem; box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
  transition: transform .3s ease, box-shadow .3s ease;
}
.iface-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.iface-card h3 { margin: 0 0 .45rem; font-size: 1rem; color: var(--text); }
.iface-card p { margin: 0; font-size: .88rem; color: var(--muted); line-height: 1.6; }

.bound-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
.bound-card {
  background: #fff; border: 1px solid var(--border); border-radius: 14px;
  padding: 1.5rem 1.4rem; box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
}
.bound-card h3 { margin: 0 0 .85rem; font-size: 1rem; color: var(--text); }
.bound-open h3 { color: #059669; }
.bound-private h3 { color: var(--const-body); }
.bound-card ul {
  margin: 0; padding-left: 1.1rem; color: var(--muted); font-size: .9rem; line-height: 1.75;
}

.gov-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
  max-width: 52rem; margin: 0 auto;
}
.gov-grid h3 {
  margin: 0 0 .4rem; font-size: .95rem; color: var(--text);
}
.gov-grid p {
  margin: 0; font-size: .88rem; color: var(--muted); line-height: 1.65;
}
.const-footnote {
  margin: 1.5rem 0 0; text-align: center; font-size: .85rem; color: var(--muted);
}
.const-cta { margin-top: 1rem; }

/* ???? Capability pages (Vision / Solutions / Ecosystem / Trial) ???? */
body.cap-page {
  background:
    radial-gradient(ellipse 80% 45% at 50% -10%, rgba(14, 165, 233, 0.06), transparent 55%),
    var(--bg);
}
.cap-hero {
  text-align: center;
  padding: 4.5rem 1.5rem 2.5rem;
}
.cap-eyebrow {
  margin: 0 0 1rem;
  font-size: .72rem; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent);
}
.cap-hero h1 {
  margin: 0 auto; max-width: min(36rem, 100%);
  font-size: clamp(1.85rem, 4.2vw, 2.85rem);
  font-weight: 700; letter-spacing: -0.035em; line-height: 1.25;
  color: var(--text);
  word-break: keep-all; line-break: strict; overflow-wrap: normal;
  text-wrap: pretty;
}
.cap-lead {
  margin: 1.25rem auto 0; max-width: 40rem;
  font-size: 1.05rem; line-height: 1.7; color: var(--muted);
}
.cap-section { padding: 1.75rem 1.5rem 0.5rem; }
.cap-section-label {
  margin: 0 0 1rem; text-align: center;
  font-size: .72rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted);
}
.cap-compare, .cap-grid-3 {
  display: grid; gap: 1rem;
}
.cap-compare { grid-template-columns: 1fr 1fr; }
.cap-grid-3 { grid-template-columns: repeat(3, 1fr); }
.cap-card {
  background: #fff; border: 1px solid var(--border); border-radius: 14px;
  padding: 1.5rem 1.35rem; box-shadow: var(--shadow);
  transition: transform .3s ease, box-shadow .3s ease;
}
.cap-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.cap-card-accent { border-color: #bae6fd; background: linear-gradient(180deg, #fff 0%, #f0f9ff 100%); }
.cap-kicker {
  margin: 0 0 .5rem; font-size: .7rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
}
.cap-kicker.accent { color: var(--accent); }
.cap-num {
  margin: 0 0 .65rem; font-size: .8rem; font-weight: 700;
  letter-spacing: .08em; color: var(--accent);
}
.cap-card h2 {
  margin: 0 0 .65rem; font-size: 1.15rem; letter-spacing: -0.02em; color: var(--text);
}
.cap-card p { margin: 0; font-size: .92rem; color: var(--muted); line-height: 1.65; }
.cap-card ul {
  margin: 0; padding-left: 1.1rem; color: var(--muted); font-size: .95rem; line-height: 1.75;
}
.cap-quote {
  margin: .5rem auto 1rem; max-width: 40rem; text-align: center;
  font-family: var(--serif); font-size: 1.2rem; font-weight: 600;
  line-height: 1.65; color: var(--const-body);
}
.cap-footnote {
  text-align: center; font-size: .85rem; color: var(--muted); margin: 0 0 1.5rem;
}
.vision-hero-figure {
  margin: 0 auto; max-width: 56rem;
  background: #fff;
}
.vision-hero-figure img {
  width: 100%; height: auto; display: block;
}
.vision-hero-figure figcaption {
  text-align: center;
}
.scenario-hero-figure {
  margin: 0 auto; max-width: 40rem;
  background: #fff;
}
.scenario-hero-figure img {
  width: 100%; height: auto; display: block;
}
.scenario-hero-figure figcaption {
  text-align: center;
}

.eco-mesh {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border); border-radius: 16px; overflow: hidden;
  background: #fff;
}
.eco-cell {
  padding: 1.35rem 1.2rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.eco-cell:nth-child(4n) { border-right: none; }
.eco-cell:nth-last-child(-n+4) { border-bottom: none; }
.eco-idx {
  display: inline-block; margin-bottom: .45rem;
  font-size: .7rem; font-weight: 700; letter-spacing: .08em; color: var(--accent);
}
.eco-cell h3 {
  margin: 0 0 .4rem; font-size: .98rem; color: var(--text); letter-spacing: -0.01em;
}
.eco-cell p {
  margin: 0; font-size: .85rem; color: var(--muted); line-height: 1.6;
}

.trial-split {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 1.25rem; align-items: stretch;
}
.mac-terminal {
  background: #0f172a; border-radius: 14px; overflow: hidden;
  border: 1px solid #1e293b; box-shadow: var(--shadow-lg);
}
.mac-bar {
  display: flex; align-items: center; gap: .4rem;
  padding: .7rem 1rem; background: #1e293b;
}
.mac-dot {
  width: 10px; height: 10px; border-radius: 50%;
}
.mac-dot.red { background: #ff5f56; }
.mac-dot.yellow { background: #ffbd2e; }
.mac-dot.green { background: #27c93f; }
.mac-title {
  margin-left: .5rem; font-size: .72rem; color: #94a3b8; letter-spacing: .04em;
}
.mac-body {
  margin: 0; padding: 1.25rem 1.35rem 1.5rem;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: .88rem; line-height: 1.7; color: #e2e8f0; overflow-x: auto;
  background: transparent; border-radius: 0;
}
.mac-body .t-cmd { color: #38bdf8; user-select: none; margin-right: .35rem; }
.trial-cta-panel {
  display: flex; flex-direction: column; justify-content: center;
  background: #fff; border: 1px solid var(--border); border-radius: 14px;
  padding: 1.75rem 1.5rem; box-shadow: var(--shadow);
}
.trial-cta-panel h2 {
  margin: 0 0 .55rem; font-size: 1.25rem; letter-spacing: -0.02em; color: var(--text);
}
.trial-cta-panel p { margin: 0 0 1.25rem; font-size: .92rem; color: var(--muted); line-height: 1.65; }
.trial-primary {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .85rem 1.2rem; font-size: .92rem; line-height: 1.35; text-align: left;
}
.trial-hint { margin: 1rem 0 0 !important; font-size: .82rem !important; }
.trial-notes { margin-top: .5rem; }

/* Quickstart phases */
.qs-phase { margin-bottom: 2rem; }
.qs-phase h2 {
  margin: 0 0 1rem; font-size: 1.15rem; letter-spacing: -0.02em; color: var(--text);
  display: flex; flex-wrap: wrap; align-items: baseline; gap: .5rem .75rem;
}
.qs-phase-num {
  font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent);
}
.qs-note {
  margin: .85rem 0 0; font-size: .85rem; color: var(--muted); line-height: 1.6;
}
.qs-bounds .ok-text { color: #059669; }
.qs-bounds .warn-text { color: #D97706; }