/* =========================================================================
   Nebula COS — shared design system  (single source of truth)
   Buildless. No framework. No external CDN/runtime deps.
   Linked by every page: <link rel="stylesheet" href="/assets/site.css">

   Section map:
     1. Tokens (:root)        — color, type scale, spacing, radii, shadow, motion
     2. Fonts                 — refined self-contained system stack (no Google Fonts)
     3. Reset / base
     4. Layout primitives     — .container, .section, .band, .section-head, grids
     5. Components            — .nav .orb .button .eyebrow .tag .card .media-frame
                                .stack-row .compare-grid .evidence .footer .reveal
     6. Responsive            — 980px / 600px
     7. Motion / reduced-motion
   Every capability claim renders with a .tag variant so the page cannot
   overclaim by construction (the "honesty system").
   ========================================================================= */

/* =========================================================================
   1. TOKENS
   ========================================================================= */
:root {
  color-scheme: dark;

  /* --- Base / depth: a true elevation ramp (old single flat --panel removed) --- */
  --bg: #050608;            /* page base */
  --bg-soft: #0a0c10;       /* alternating band background */
  --surface-0: #0e1116;     /* lowest card */
  --surface-1: #131820;     /* default card */
  --surface-2: #1a212c;     /* raised card / hover */
  --surface-3: #222b39;     /* popover / active chip */

  /* --- Ink ramp --- */
  --ink: #f6f7fb;
  --ink-soft: #c7ccd6;
  --muted: #8c94a3;
  --faint: #5d6573;         /* captions, footnotes, evidence cites */

  /* --- Hairlines --- */
  --line: rgba(255, 255, 255, 0.10);
  --line-strong: rgba(255, 255, 255, 0.18);
  --line-faint: rgba(255, 255, 255, 0.05);

  /* --- Brand accents --- */
  --purple: #8957e5;
  --indigo: #6674ff;
  --cyan: #35d0e6;
  --green: #36d188;
  --amber: #f2b84b;
  --rose: #ff6b8a;

  /* --- Accent text/border tints --- */
  --amber-ink: #ffe0a2;
  --green-ink: #bff6d7;
  --rose-ink: #ffc2cf;
  --purple-ink: #cbb8ff;
  --cyan-ink: #b6f0f8;
  --indigo-ink: #c2c8ff;

  /* --- Status semantics (the credibility system) --- */
  --status-live: var(--green);        --status-live-ink: var(--green-ink);     /* shipped + tested */
  --status-optional: var(--amber);    --status-optional-ink: var(--amber-ink); /* built, off by default */
  --status-roadmap: var(--purple);    --status-roadmap-ink: var(--purple-ink); /* engine / roadmap */
  --status-gated: var(--rose);        --status-gated-ink: var(--rose-ink);     /* built, gated, unverified */

  /* --- Signature gradients --- */
  --grad-brand: linear-gradient(135deg, #8957e5 0%, #6674ff 42%, #35d0e6 100%);
  --grad-cta: linear-gradient(135deg, rgba(137, 87, 229, 0.96), rgba(53, 208, 230, 0.84));
  --grad-card: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
  --grad-card-hover: linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.02));
  --glow-page:
    radial-gradient(circle at 16% 10%, rgba(137, 87, 229, 0.15), transparent 34rem),
    radial-gradient(circle at 90% 30%, rgba(53, 208, 230, 0.09), transparent 30rem);

  /* --- Type scale (modular ~1.28, fluid) --- */
  --fz-display: clamp(2.9rem, 6vw, 5.0rem);
  --fz-h1: clamp(2.3rem, 4.2vw, 3.4rem);
  --fz-h2: clamp(1.8rem, 3vw, 2.6rem);
  --fz-h3: 1.35rem;
  --fz-lead: clamp(1.05rem, 1.6vw, 1.3rem);
  --fz-body: 1.0rem;
  --fz-sm: 0.9rem;
  --fz-xs: 0.78rem;

  /* --- Spacing (8px base) --- */
  --sp-1: 0.5rem;
  --sp-2: 0.75rem;
  --sp-3: 1rem;
  --sp-4: 1.5rem;
  --sp-5: 2rem;
  --sp-6: 3rem;
  --sp-7: 4.5rem;
  --sp-8: 7rem;

  /* --- Layout --- */
  --max: 1140px;
  --max-prose: 720px;
  --nav-h: 64px;

  /* --- Radii --- */
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-pill: 999px;

  /* --- Shadows / depth --- */
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 16px 50px rgba(0, 0, 0, 0.40);
  --shadow-lg: 0 30px 90px rgba(0, 0, 0, 0.50);
  --shadow-glow: 0 0 28px rgba(137, 87, 229, 0.45);
  --inset-hi: inset 0 1px 0 rgba(255, 255, 255, 0.06);

  /* --- Motion --- */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur-fast: 140ms;
  --dur: 320ms;
  --dur-slow: 520ms;
}

/* =========================================================================
   2. FONTS — refined system stack.
   No Google Fonts, no self-hosted webfont (kills the third-party request,
   the FOUC, and the prior /assets/fonts/Inter-var.woff2 404). The system
   stack below renders identically premium with zero network cost.
   ========================================================================= */

/* =========================================================================
   3. RESET / BASE
   ========================================================================= */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--glow-page), var(--bg);
  background-attachment: fixed;
  color: var(--ink);
  font-family: Inter, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: var(--fz-body);
  line-height: 1.65;
  font-feature-settings: "cv11", "ss01", "calt";
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

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

h1, h2, h3, h4, p, figure, ul, ol {
  margin: 0;
  overflow-wrap: break-word;
}

h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

strong { font-weight: 600; }

/* Tabular numerals on figures/status/version text */
.tabular { font-variant-numeric: tabular-nums; }

/* Accessible focus ring on every interactive element */
:where(a, button, [tabindex], input, summary):focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Skip link */
.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 999;
  background: var(--ink);
  color: var(--bg);
  padding: 0.7rem 0.95rem;
  border-radius: var(--r-sm);
  font-weight: 700;
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus { top: 1rem; }

/* =========================================================================
   4. LAYOUT PRIMITIVES
   ========================================================================= */

/* .container — centered content column with consistent gutters */
.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}
.container--prose { max-width: var(--max-prose); }

/* section — vertical rhythm (alternating bands use .band) */
.section { padding-block: var(--sp-8); }

/* .band — alternating background for visual rhythm between sections */
.band {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent),
    var(--bg-soft);
  border-block: 1px solid var(--line-faint);
}

/* .section-head — eyebrow + heading on the left, lead paragraph on the right */
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(260px, 0.42fr);
  gap: var(--sp-5);
  align-items: end;
  margin-bottom: var(--sp-6);
}
.section-head h2 { font-size: var(--fz-h2); margin-top: var(--sp-2); }

/* .lead — larger intro paragraph */
.lead {
  color: var(--ink-soft);
  font-size: var(--fz-lead);
  line-height: 1.5;
}

/* Reusable grids: collapse to one column on mobile (see responsive) */
.grid { display: grid; gap: var(--sp-3); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* .split — content + media two-column */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.86fr);
  gap: var(--sp-5);
  align-items: center;
}

/* =========================================================================
   5. COMPONENTS
   ========================================================================= */

/* ---- .nav — fixed top bar, identical on every page ---------------------- */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 60;
  height: var(--nav-h);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 6, 8, 0.72);
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
}
.nav__inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  flex-wrap: wrap;
}
.nav__link {
  color: var(--ink-soft);
  font-size: var(--fz-sm);
  font-weight: 500;
  padding-block: 0.25rem;
  transition: color var(--dur-fast) var(--ease);
}
.nav__link:hover { color: var(--ink); }
/* active page link gets ink + an accent underline */
.nav__link[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--cyan);
  text-underline-offset: 7px;
  text-decoration-thickness: 2px;
}
/* mobile toggle (hidden on desktop) */
.nav__toggle {
  display: none;
  appearance: none;
  background: var(--surface-1);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  color: var(--ink);
  width: 42px;
  height: 38px;
  font-size: 1.1rem;
  cursor: pointer;
}

/* ---- .orb — pure-CSS brand mark, no asset; reused at nav/hero/footer ---- */
.orb {
  --orb-size: 26px;
  width: var(--orb-size);
  height: var(--orb-size);
  border-radius: 999px;
  flex: 0 0 auto;
  background:
    radial-gradient(circle at 34% 30%, #fff2c7, transparent 13%),
    radial-gradient(circle at 58% 46%, #9bb7ff, transparent 28%),
    radial-gradient(circle at 50% 56%, #8957e5, #151a38 58%, #07080b 100%);
  box-shadow: var(--shadow-glow);
}
.orb--lg { --orb-size: 120px; }
.orb--sm { --orb-size: 20px; }

/* ---- .pill — small static chip (e.g. "Alpha" in the nav) ---------------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  padding: 0.4rem 0.8rem;
  font-size: var(--fz-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
}

/* ---- .button — pill action; .button-primary = brand CTA ----------------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;                 /* touch target */
  padding: 0.7rem 1.3rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: var(--surface-1);
  color: var(--ink);
  font-weight: 600;
  font-size: var(--fz-sm);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    filter var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease);
}
.button:hover {
  background: var(--surface-2);
  border-color: color-mix(in srgb, var(--cyan) 45%, var(--line-strong));
  transform: translateY(-1px);
}
.button-primary {
  background: var(--grad-cta);
  border: none;
  color: #07080b;
  box-shadow: var(--shadow-sm);
}
.button-primary:hover {
  filter: brightness(1.08);
  box-shadow: var(--shadow-md);
}

/* ---- .eyebrow — small uppercase kicker above headings ------------------- */
.eyebrow {
  display: inline-block;
  font-size: var(--fz-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin-bottom: var(--sp-2);
}
.eyebrow--amber { color: var(--amber); }
.eyebrow--purple { color: var(--purple-ink); }
.eyebrow--rose { color: var(--rose); }

/* ---- .tag — status chip (the honesty system). FOUR variants. ----------
   Used inline beside every feature claim. Leading dot encodes the status.
   .tag--live "Live" · .tag--optional "Optional · off by default"
   .tag--roadmap "Engine · roadmap" · .tag--gated "Built · gated"          */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border-radius: var(--r-pill);
  padding: 0.25rem 0.65rem 0.25rem 0.55rem;
  font-size: var(--fz-xs);
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  border: 1px solid var(--line-strong);
  color: var(--ink-soft);
}
.tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: currentColor;
  flex: 0 0 auto;
}
.tag--live {
  color: var(--status-live-ink);
  background: color-mix(in srgb, var(--status-live) 14%, transparent);
  border-color: color-mix(in srgb, var(--status-live) 30%, transparent);
}
.tag--optional {
  color: var(--status-optional-ink);
  background: color-mix(in srgb, var(--status-optional) 14%, transparent);
  border-color: color-mix(in srgb, var(--status-optional) 30%, transparent);
}
.tag--roadmap {
  color: var(--status-roadmap-ink);
  background: color-mix(in srgb, var(--status-roadmap) 16%, transparent);
  border-color: color-mix(in srgb, var(--status-roadmap) 34%, transparent);
}
.tag--gated {
  color: var(--status-gated-ink);
  background: color-mix(in srgb, var(--status-gated) 13%, transparent);
  border-color: color-mix(in srgb, var(--status-gated) 30%, transparent);
}

/* ---- .tag-legend — inline self-explaining key for the four .tag colors -- */
.tag-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

/* ---- .card — base elevated surface; .card--feature adds index + note ---- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  background: var(--grad-card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--sp-4);
  box-shadow: var(--inset-hi), var(--shadow-sm);
  transition: transform var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease);
}
.card:hover {
  transform: translateY(-3px);
  background: var(--grad-card-hover);
  border-color: var(--line-strong);
  box-shadow: var(--inset-hi), var(--shadow-md);
}
.card h3 { font-size: var(--fz-h3); }
.card p { color: var(--muted); font-size: var(--fz-sm); }

/* feature card: numeral 01–06 + tech-note */
.card--feature .card__index {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}
.card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
}
/* .tech-note — "under the hood:" evidence line inside a feature card */
.tech-note {
  margin-top: auto;
  padding-top: var(--sp-2);
  color: var(--faint);
  font-size: var(--fz-xs);
  line-height: 1.5;
  font-family: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  border-top: 1px solid var(--line-faint);
}

/* ---- .media-frame — render/image holder with vignette + CLS-safe img ---- */
.media-frame {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: #07080b;
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 80px rgba(0, 0, 0, 0.45);
}
.media-frame img { width: 100%; height: 100%; object-fit: cover; }

/* .render-placeholder — tasteful labeled block where a real render belongs
   (NOT a fake photoreal image). Used until a WebP render is supplied.      */
.render-placeholder {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 360px;
  padding: var(--sp-5);
  text-align: center;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 30% 25%, rgba(137, 87, 229, 0.16), transparent 60%),
    radial-gradient(circle at 78% 80%, rgba(53, 208, 230, 0.12), transparent 60%),
    var(--surface-0);
  box-shadow: var(--inset-hi);
}
.render-placeholder__label {
  font-size: var(--fz-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--faint);
  font-weight: 600;
}
.render-placeholder__title {
  margin-top: var(--sp-2);
  font-size: var(--fz-sm);
  color: var(--ink-soft);
  max-width: 28ch;
}

/* ---- .render-figure — a real render in a media-frame + caption below ---- */
.render-figure { margin: 0; }
.render-figure__caption {
  margin-top: var(--sp-3);
  font-size: var(--fz-sm);
  color: var(--ink-soft);
  line-height: 1.5;
}

/* ---- .stack-row — architecture layer row with accent bar + trailing tag - */
.stack-row {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr) auto;
  gap: var(--sp-3);
  align-items: center;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-4);
  background: var(--surface-1);
  box-shadow: var(--inset-hi);
}
.stack-row::before {
  content: "";
  position: absolute;
  left: 0; top: 12%;
  width: 3px; height: 76%;
  border-radius: 3px;
  background: var(--stack-accent, var(--cyan));
}
.stack-row strong { font-size: 1rem; }
.stack-row p { color: var(--muted); font-size: var(--fz-sm); }
/* per-layer accent bar colors */
.stack-row--surfaces  { --stack-accent: var(--cyan); }
.stack-row--usability { --stack-accent: var(--indigo); }
.stack-row--cognition { --stack-accent: var(--purple); }
.stack-row--memory    { --stack-accent: var(--amber); }
.stack-row--security  { --stack-accent: var(--green); }
.stack-row--models    { --stack-accent: var(--rose); }

/* ---- .compare-grid — two-column "typical vs Nebula" with check/x --------- */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-3);
}
.compare-col {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--sp-4);
  background: var(--surface-1);
  box-shadow: var(--inset-hi);
}
.compare-col--nebula {
  border-color: color-mix(in srgb, var(--cyan) 26%, var(--line));
}
.compare-col h3 { font-size: var(--fz-h3); margin-bottom: var(--sp-3); }
.compare-col ul { list-style: none; padding: 0; display: grid; gap: var(--sp-2); }
.compare-col li {
  display: grid;
  grid-template-columns: 1.25rem 1fr;
  gap: 0.6rem;
  color: var(--ink-soft);
  font-size: var(--fz-sm);
}
.compare-col li::before {
  content: "✕";
  color: var(--rose);
  font-weight: 700;
  line-height: 1.5;
}
.compare-col--nebula li::before { content: "✓"; color: var(--green); }

/* ---- .evidence — honest "what runs / what doesn't" footnote -------------- */
.evidence {
  font-size: var(--fz-xs);
  line-height: 1.55;
  color: var(--faint);
  font-family: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
}

/* ---- .footer — slim, dateless, orb + wordmark + links + license ---------- */
.footer {
  border-top: 1px solid var(--line);
  background: #030405;
  padding-block: var(--sp-5);
  color: var(--muted);
  font-size: var(--fz-sm);
}
.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-4);
}
.footer__brand { display: inline-flex; align-items: center; gap: 0.55rem; font-weight: 700; color: var(--ink); }
.footer__links { display: flex; flex-wrap: wrap; gap: 1.1rem; }
.footer__links a { color: var(--ink-soft); font-size: var(--fz-sm); }
.footer__links a:hover { color: var(--ink); }
.footer__meta {
  margin-top: var(--sp-4);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--line-faint);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-2);
  color: var(--faint);
  font-size: var(--fz-xs);
}

/* ---- .reveal — scroll-in fade+rise (JS adds .is-visible) ----------------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
/* no-JS fallback: if the script never runs, content stays visible */
.no-js .reveal { opacity: 1; transform: none; }

/* =========================================================================
   PAGE-LEVEL: HERO (shared structure, used by index + reusable elsewhere)
   ========================================================================= */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--nav-h) + var(--sp-8)) 0 var(--sp-8);
}
.hero__copy { max-width: 720px; }
.hero h1 {
  font-size: var(--fz-display);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin-top: var(--sp-3);
}
.hero__line {
  margin-top: var(--sp-3);
  font-size: var(--fz-h2);
  line-height: 1.1;
  font-weight: 700;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__subtitle {
  margin-top: var(--sp-4);
  max-width: 640px;
  color: var(--ink-soft);
  font-size: var(--fz-lead);
  line-height: 1.55;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-5);
}
/* hero orb breathe — disabled under reduced motion (see section 7) */
.hero .orb--lg {
  position: absolute;
  top: calc(var(--nav-h) + var(--sp-5));
  right: 6%;
  z-index: -1;
  opacity: 0.9;
  animation: orb-breathe 8s var(--ease) infinite;
}
@keyframes orb-breathe {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.03); opacity: 0.95; }
}

/* proof strip under the hero */
.proof-strip {
  margin-top: var(--sp-6);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-2);
  max-width: 760px;
}
.proof-item {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--sp-3);
  background: var(--surface-0);
  box-shadow: var(--inset-hi);
}
.proof-item strong { display: block; color: var(--ink); font-size: 0.95rem; }
.proof-item span { display: block; margin-top: 0.3rem; color: var(--muted); font-size: var(--fz-xs); }

/* quote band — large centered statement */
.quote {
  text-align: center;
}
.quote p {
  width: min(900px, 100%);
  margin-inline: auto;
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

/* roadmap chip list */
.chip-list { display: flex; flex-wrap: wrap; gap: var(--sp-2); }

/* full-bleed CTA band with image background + scrim */
.cta-band {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-top: 1px solid var(--line);
}
.cta-band__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* .hero__render — crafted SVG feature art layered above the ambient bg,
   below the copy. Anchored right (its right third is quiet) and scrimmed on
   the left so the hero copy stays legible.                                  */
.hero .cta-band__bg { z-index: -3; }
.hero__render {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
  opacity: 0.92;
  pointer-events: none;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(5, 6, 8, 0.92), rgba(5, 6, 8, 0.7) 42%, rgba(5, 6, 8, 0.18) 72%, rgba(5, 6, 8, 0));
}
@media (max-width: 980px) {
  .hero__render { opacity: 0.6; object-position: center; }
  .hero::before { background: linear-gradient(180deg, rgba(5, 6, 8, 0.78), rgba(5, 6, 8, 0.92)); }
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(5, 6, 8, 0.96), rgba(5, 6, 8, 0.82) 45%, rgba(5, 6, 8, 0.55)),
    linear-gradient(180deg, rgba(5, 6, 8, 0.35), rgba(5, 6, 8, 0.9));
}
.cta-band__content { max-width: 660px; }

/* =========================================================================
   6. RESPONSIVE
   ========================================================================= */
@media (max-width: 980px) {
  .nav__links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
    padding: var(--sp-3) max(1.25rem, calc((100% - var(--max)) / 2 + 1.25rem));
    background: rgba(5, 6, 8, 0.96);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }
  .nav__links.is-open { display: flex; }
  .nav__toggle { display: inline-flex; align-items: center; justify-content: center; }

  .section-head,
  .split,
  .grid--2,
  .grid--3,
  .grid--4,
  .compare-grid {
    grid-template-columns: 1fr;
  }
  .stack-row { grid-template-columns: 1fr; gap: var(--sp-1); }
  .stack-row .tag { justify-self: start; }
  .proof-strip { grid-template-columns: 1fr; }
  .hero .orb--lg { display: none; }
}

@media (max-width: 600px) {
  .section { padding-block: var(--sp-6); }
  .button { width: 100%; }
  .hero__actions .button { width: 100%; }
  .footer__top { flex-direction: column; align-items: flex-start; }
}

/* =========================================================================
   7. MOTION / REDUCED MOTION
   prefers-reduced-motion disables ALL transitions, transforms, animations.
   ========================================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
  .hero .orb--lg { animation: none !important; }
}

/* ---- .waitlist — email-capture form (Get-Started) ----------------------- */
/* Used by get-started.html, enhanced by site.js (POST /api/waitlist), with a
   noscript mailto fallback. Visuals reuse surface/line/status tokens.        */
.path-card__note {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: auto;
  padding-top: var(--sp-2);
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.waitlist { margin-top: auto; display: flex; flex-direction: column; gap: var(--sp-2); }
.waitlist__label {
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
}
.waitlist__row {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}
.waitlist__input {
  flex: 1 1 12rem;
  min-width: 0;
  padding: 0.7rem 0.95rem;
  color: var(--ink);
  background: var(--surface-0);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  font: inherit;
}
.waitlist__input::placeholder { color: color-mix(in srgb, var(--ink-soft) 60%, transparent); }
.waitlist__input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 1px;
  border-color: color-mix(in srgb, var(--cyan) 45%, var(--line-strong));
}
.waitlist .button { flex: 0 0 auto; }
.waitlist__status {
  min-height: 1.25rem;
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.waitlist__status.is-ok { color: var(--green-ink); }
.waitlist__status.is-error { color: var(--rose-ink); }