/* =========================================================================
   Silver Code — Marketing site V3 (OpenAI-leaning)
   V1's cool silver palette + V2's editorial numbered-row structure,
   sans-serif throughout, hairlines, generous whitespace.
   ========================================================================= */

@import url("https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600&family=Inter+Tight:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap");

:root {
  --v3-bg:         #f7f9fb;
  --v3-bg-soft:    #eef2f6;
  --v3-bg-deep:    #dfe5ec;
  --v3-paper:      #ffffff;

  --v3-ink:        #111419;
  --v3-ink-soft:   #4b5660;
  --v3-ink-mute:   rgba(17,20,25,0.56);
  --v3-ink-faint:  rgba(17,20,25,0.28);

  --v3-line:        rgba(17,20,25,0.10);
  --v3-line-strong: rgba(17,20,25,0.22);

  --v3-accent:      #90a0b0;
  --v3-accent-deep: #66717d;

  --v3-sans: "Geist", "Inter Tight", -apple-system, system-ui, "Helvetica Neue", Arial, sans-serif;
  --v3-mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace;

  --v3-content: 1200px;
  --v3-gutter:  clamp(1.25rem, 4vw, 2.4rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--v3-bg);
  color: var(--v3-ink);
  font-family: var(--v3-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, dl, figure { margin: 0; }

.shell {
  max-width: var(--v3-content);
  margin: 0 auto;
  padding: 0 var(--v3-gutter);
}

/* ---------- Header ---------- */
.v3-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(247,249,251,0.86);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--v3-line);
}
.v3-header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}
.v3-brand {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-size: 1rem; font-weight: 500; letter-spacing: -0.005em;
}
.v3-brand-logo {
  height: 28px;
  width: auto;
  display: block;
}
.v3-nav {
  display: inline-flex; align-items: center; gap: 1.9rem;
  font-size: 0.92rem; color: var(--v3-ink-soft);
}
.v3-nav a { transition: color 140ms ease; }
.v3-nav a:hover { color: var(--v3-ink); }

.v3-header-actions { display: flex; align-items: center; gap: 0.6rem; }
.v3-burger {
  display: none;
  background: transparent; border: 1px solid var(--v3-line-strong);
  border-radius: 8px; padding: 0.5rem;
  width: 38px; height: 38px;
  flex-direction: column; justify-content: space-between; align-items: stretch;
  cursor: pointer;
}
.v3-burger span {
  display: block; height: 2px; background: var(--v3-ink); border-radius: 2px;
  transition: transform 180ms ease, opacity 180ms ease;
}
.v3-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.v3-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.v3-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.v3-mobile-nav {
  display: none;
  flex-direction: column;
  padding: 0.75rem var(--v3-gutter) 1.4rem;
  gap: 0.4rem;
  background: rgba(247,249,251,0.96);
  border-top: 1px solid var(--v3-line);
}
.v3-mobile-nav a {
  padding: 0.7rem 0;
  font-size: 1rem; color: var(--v3-ink);
  border-bottom: 1px solid var(--v3-line);
}
.v3-mobile-nav .v3-cta { margin-top: 0.7rem; justify-content: center; }
.v3-mobile-nav.is-open { display: flex; }

.v3-cta {
  display: inline-flex; align-items: center;
  background: var(--v3-ink); color: #fff;
  padding: 0.6rem 1.1rem;
  border-radius: 999px; border: 1px solid var(--v3-ink);
  font-size: 0.9rem; font-weight: 500; letter-spacing: -0.005em;
  transition: background 140ms ease, transform 140ms ease, border-color 140ms ease;
  cursor: pointer; font-family: inherit;
}
.v3-cta:hover { background: #23282f; border-color: #23282f; }
.v3-cta:active { transform: translateY(1px); }
.v3-cta-secondary {
  background: transparent; color: var(--v3-ink); border-color: var(--v3-line-strong);
}
.v3-cta-secondary:hover { background: rgba(17,20,25,0.04); border-color: var(--v3-ink); }
.v3-cta-large { padding: 0.85rem 1.4rem; font-size: 0.95rem; }

.v3-eyebrow {
  font-family: var(--v3-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--v3-ink-mute);
  display: inline-flex; align-items: center; gap: 0.55rem;
}
.v3-eyebrow::before {
  content: ""; width: 24px; height: 1px;
  background: var(--v3-line-strong); display: inline-block;
}
.v3-eyebrow-light { color: rgba(247,249,251,0.62); }
.v3-eyebrow-light::before { background: rgba(247,249,251,0.34); }

/* ---------- Hero ---------- */
.v3-hero {
  padding: 6rem 0 3rem;
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: 4rem; align-items: end;
}
.v3-hero-copy { display: grid; gap: 1.5rem; }
.v3-hero-eyebrow-row {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.v3-hero h1 {
  font-family: var(--v3-sans);
  font-weight: 500;
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--v3-ink);
  max-width: 13ch;
  text-wrap: balance;
}
.v3-hero-lede {
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  line-height: 1.45;
  color: var(--v3-ink-soft);
  max-width: 42ch;
  font-weight: 400;
  letter-spacing: -0.005em;
}
.v3-hero-actions {
  display: flex; gap: 1.4rem; flex-wrap: wrap; padding-top: 0.4rem;
  align-items: center;
}
.v3-hero-link {
  font-size: 0.95rem; color: var(--v3-ink-soft);
  display: inline-flex; align-items: center; gap: 0.4rem;
  transition: color 140ms ease;
}
.v3-hero-link::after { content: "\2192"; transition: transform 140ms ease; }
.v3-hero-link:hover { color: var(--v3-ink); }
.v3-hero-link:hover::after { transform: translateX(2px); }
.v3-hero-meta {
  display: inline-flex; align-items: center; gap: 0.5rem;
  color: var(--v3-ink-mute); font-family: var(--v3-mono);
  font-size: 0.7rem; letter-spacing: 0.10em; text-transform: uppercase;
}
.v3-hero-meta-dot { width: 6px; height: 6px; border-radius: 99px; background: var(--v3-accent-deep); }

/* ---------- Hero answer mock ---------- */
.v3-mock {
  border: 1px solid var(--v3-line);
  background: var(--v3-paper);
  border-radius: 14px;
  padding: 1.4rem;
  display: grid; gap: 1rem;
  font-size: 0.9rem;
}
.v3-mock-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 0.8rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--v3-line);
}
.v3-mock-head-label {
  font-family: var(--v3-mono); font-size: 0.66rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--v3-ink-mute);
}
.v3-mock-lock {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-family: var(--v3-mono); font-size: 0.62rem;
  letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--v3-ink);
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--v3-line-strong);
  border-radius: 99px;
  white-space: nowrap;
}
.v3-mock-lock-dot {
  width: 6px; height: 6px; border-radius: 99px;
  background: var(--v3-accent-deep);
}
.v3-mock-q {
  color: var(--v3-ink-mute);
  font-family: var(--v3-mono); font-size: 0.78rem;
  letter-spacing: 0.02em;
  line-height: 1.5;
}
.v3-mock-q::before {
  content: "Q  ";
  color: var(--v3-ink-faint);
  margin-right: 0.3rem;
}
.v3-mock-a {
  color: var(--v3-ink); font-size: 1rem; line-height: 1.5;
  letter-spacing: -0.005em;
}
.v3-mock-a-mark {
  display: inline-block;
  background: rgba(144,160,176,0.22);
  padding: 0 0.25em; border-radius: 3px;
}
.v3-mock-cite {
  display: flex; align-items: center; gap: 0.7rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--v3-line);
  border-radius: 8px;
  background: var(--v3-bg-soft);
}
.v3-mock-cite-mark {
  width: 26px; height: 26px; border-radius: 5px;
  background: var(--v3-ink); color: #fff;
  display: grid; place-items: center; flex-shrink: 0;
  font-family: var(--v3-mono); font-size: 0.52rem; font-weight: 600;
  letter-spacing: 0.04em;
}
.v3-mock-cite-body {
  display: grid; gap: 0.1rem; flex: 1; min-width: 0;
}
.v3-mock-cite-title {
  color: var(--v3-ink); font-size: 0.9rem; font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.v3-mock-cite-meta {
  color: var(--v3-ink-mute);
  font-family: var(--v3-mono); font-size: 0.62rem;
  letter-spacing: 0.10em; text-transform: uppercase;
}
.v3-mock-cite-page {
  color: var(--v3-ink-mute);
  font-family: var(--v3-mono); font-size: 0.68rem;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

/* ---------- Proof strip ---------- */
.v3-proof {
  border-top: 1px solid var(--v3-line);
  border-bottom: 1px solid var(--v3-line);
  padding: 2rem 0;
}
.v3-proof-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}
.v3-proof-item dt {
  font-family: var(--v3-mono); font-size: 0.68rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--v3-ink-mute);
  padding-bottom: 0.55rem;
}
.v3-proof-item dd {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--v3-ink);
  font-weight: 500;
}

/* ---------- Numbered list sections ---------- */
.v3-list { padding: 5rem 0; border-top: 1px solid var(--v3-line); }
.v3-list-header {
  display: grid; grid-template-columns: 1fr 1.6fr; gap: 2.5rem;
  padding-bottom: 2.4rem;
}
.v3-list-header h2 {
  font-family: var(--v3-sans);
  font-weight: 500;
  font-size: clamp(1.9rem, 3.2vw, 2.8rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  max-width: 18ch;
  text-wrap: balance;
}
.v3-list-header-aside {
  align-self: end; color: var(--v3-ink-soft);
  font-size: 1rem; max-width: 42ch; line-height: 1.5;
}

.v3-row {
  display: grid; grid-template-columns: 5.5ch 1fr 1.5fr;
  gap: 2rem;
  padding: 1.9rem 0;
  border-top: 1px solid var(--v3-line);
  align-items: start;
  transition: background 180ms ease;
}
.v3-row:last-child { border-bottom: 1px solid var(--v3-line); }
.v3-row:hover { background: rgba(17,20,25,0.02); }
.v3-row-index {
  font-family: var(--v3-mono); font-size: 0.74rem;
  letter-spacing: 0.10em;
  color: var(--v3-ink-mute);
  padding-top: 0.5rem;
}
.v3-row-title {
  font-family: var(--v3-sans);
  font-weight: 500;
  font-size: clamp(1.2rem, 1.6vw, 1.4rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
}
.v3-row-body {
  color: var(--v3-ink-soft); font-size: 1rem; line-height: 1.55; max-width: 52ch;
}

/* ---------- Audit log mock ---------- */
.v3-audit-wrap {
  padding: 5rem 0;
  border-top: 1px solid var(--v3-line);
}
.v3-audit-grid {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 3rem; align-items: center;
}
.v3-audit-copy { display: grid; gap: 1rem; }
.v3-audit-title {
  font-family: var(--v3-sans); font-weight: 500;
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  line-height: 1.1; letter-spacing: -0.02em;
  max-width: 18ch; text-wrap: balance;
}
.v3-audit-lede {
  color: var(--v3-ink-soft); font-size: 1rem; line-height: 1.55; max-width: 42ch;
}
.v3-audit {
  border: 1px solid var(--v3-line);
  background: var(--v3-paper);
  border-radius: 14px;
  overflow: hidden;
}
.v3-audit-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.95rem 1.2rem;
  border-bottom: 1px solid var(--v3-line);
  background: var(--v3-bg-soft);
}
.v3-audit-head-label,
.v3-audit-head-meta {
  font-family: var(--v3-mono); font-size: 0.66rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--v3-ink-mute);
}
.v3-audit-row {
  display: grid; grid-template-columns: 1.6rem 1fr auto;
  gap: 1rem;
  padding: 1rem 1.2rem;
  align-items: center;
  border-bottom: 1px solid var(--v3-line);
}
.v3-audit-row:last-child { border-bottom: none; }
.v3-audit-mark {
  font-family: var(--v3-mono); font-size: 1.05rem;
  text-align: center; line-height: 1;
  color: var(--v3-ink-mute);
}
.v3-audit-row-cited   .v3-audit-mark { color: #2f6f4a; }
.v3-audit-row-blocked .v3-audit-mark { color: var(--v3-ink-soft); }
.v3-audit-row-refused .v3-audit-mark { color: var(--v3-ink-mute); }
.v3-audit-body { display: grid; gap: 0.25rem; min-width: 0; }
.v3-audit-q {
  color: var(--v3-ink); font-size: 0.95rem; font-weight: 500;
  letter-spacing: -0.005em;
}
.v3-audit-meta {
  color: var(--v3-ink-mute);
  font-family: var(--v3-mono); font-size: 0.66rem;
  letter-spacing: 0.06em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.v3-audit-tag {
  font-family: var(--v3-mono); font-size: 0.6rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.3rem 0.55rem;
  border-radius: 99px;
  border: 1px solid var(--v3-line-strong);
  color: var(--v3-ink);
  white-space: nowrap;
}
.v3-audit-tag-cited   { color: #2f6f4a; border-color: rgba(47,111,74,0.4); background: rgba(47,111,74,0.06); }
.v3-audit-tag-blocked { color: var(--v3-ink-soft); }
.v3-audit-tag-refused { color: var(--v3-ink-mute); }

/* ---------- Compliance obligations mock ---------- */
.v3-obligations-wrap {
  padding: 5rem 0;
  border-top: 1px solid var(--v3-line);
}
.v3-obligations-grid {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 3rem; align-items: center;
}
.v3-obligations-copy { display: grid; gap: 1rem; }
.v3-obligations-title {
  font-family: var(--v3-sans); font-weight: 500;
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  line-height: 1.1; letter-spacing: -0.02em;
  max-width: 22ch; text-wrap: balance;
}
.v3-obligations-lede {
  color: var(--v3-ink-soft); font-size: 1rem; line-height: 1.55; max-width: 42ch;
}
.v3-obligations {
  border: 1px solid var(--v3-line);
  background: var(--v3-paper);
  border-radius: 14px;
  overflow: hidden;
}
.v3-obligations-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.95rem 1.2rem;
  border-bottom: 1px solid var(--v3-line);
  background: var(--v3-bg-soft);
}
.v3-obligations-head-label,
.v3-obligations-head-meta {
  font-family: var(--v3-mono); font-size: 0.66rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--v3-ink-mute);
}
.v3-obligations-row {
  display: grid; grid-template-columns: 1.6rem 1fr auto;
  gap: 1rem;
  padding: 1rem 1.2rem;
  align-items: center;
  border-bottom: 1px solid var(--v3-line);
}
.v3-obligations-row:last-child { border-bottom: none; }
.v3-obligations-mark {
  font-family: var(--v3-mono); font-size: 1.05rem;
  text-align: center; line-height: 1;
  color: var(--v3-ink-mute);
}
.v3-obligations-row-done    .v3-obligations-mark { color: #2f6f4a; }
.v3-obligations-row-risk    .v3-obligations-mark { color: #a86b1f; }
.v3-obligations-row-pending .v3-obligations-mark { color: var(--v3-ink-mute); }
.v3-obligations-body { display: grid; gap: 0.25rem; min-width: 0; }
.v3-obligations-name {
  color: var(--v3-ink); font-size: 0.95rem; font-weight: 500;
  letter-spacing: -0.005em;
}
.v3-obligations-qa {
  display: grid; gap: 0.55rem;
  padding: 1rem 1.2rem 1.1rem;
  border-bottom: 1px solid var(--v3-line);
  background: var(--v3-paper);
}
.v3-obligations-q {
  color: var(--v3-ink-mute);
  font-family: var(--v3-mono); font-size: 0.78rem;
  letter-spacing: 0.02em;
  line-height: 1.5;
}
.v3-obligations-q::before {
  content: "Q  ";
  color: var(--v3-ink-faint);
  margin-right: 0.3rem;
}
.v3-obligations-a {
  color: var(--v3-ink); font-size: 0.95rem;
  line-height: 1.5; letter-spacing: -0.005em;
}
.v3-obligations-a::before {
  content: "A  ";
  color: var(--v3-ink-faint);
  font-family: var(--v3-mono); font-size: 0.78rem;
  margin-right: 0.3rem;
  vertical-align: 1px;
}
.v3-obligations-meta {
  color: var(--v3-ink-mute);
  font-family: var(--v3-mono); font-size: 0.66rem;
  letter-spacing: 0.06em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.v3-obligations-tag {
  font-family: var(--v3-mono); font-size: 0.6rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.3rem 0.55rem;
  border-radius: 99px;
  border: 1px solid var(--v3-line-strong);
  color: var(--v3-ink);
  white-space: nowrap;
}
.v3-obligations-tag-done    { color: #2f6f4a; border-color: rgba(47,111,74,0.4); background: rgba(47,111,74,0.06); }
.v3-obligations-tag-risk    { color: #a86b1f; border-color: rgba(168,107,31,0.4); background: rgba(168,107,31,0.06); }
.v3-obligations-tag-pending { color: var(--v3-ink-mute); }

/* ---------- How it works ---------- */
.v3-how { padding: 5rem 0; border-top: 1px solid var(--v3-line); }
.v3-how-diagram {
  margin: 0 auto 2.5rem;
  max-width: 880px;
  padding: 1.5rem 0;
}
.v3-how-diagram svg { width: 100%; height: auto; display: block; }
.v3-diagram-stage rect {
  fill: var(--v3-paper);
  stroke: var(--v3-line-strong);
  stroke-width: 1;
}
.v3-diagram-label {
  font-family: var(--v3-sans);
  font-size: 12px;
  font-weight: 500;
  fill: var(--v3-ink);
  text-anchor: middle;
}
.v3-diagram-sub {
  font-family: var(--v3-mono);
  font-size: 8.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  fill: var(--v3-ink-mute);
  text-anchor: middle;
}
.v3-diagram-doc {
  fill: none;
  stroke: var(--v3-ink-soft);
  stroke-width: 1;
}
.v3-diagram-gate {
  stroke: var(--v3-accent-deep);
  stroke-width: 1.2;
}
.v3-diagram-check {
  fill: none;
  stroke: #2f6f4a;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.v3-diagram-arrow line,
.v3-diagram-arrow polyline {
  fill: none;
  stroke: var(--v3-ink-soft);
  stroke-width: 1;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.v3-diagram-branch polyline {
  fill: none;
  stroke: var(--v3-line-strong);
  stroke-width: 1;
  stroke-dasharray: 3 3;
}
.v3-diagram-branch-label {
  font-family: var(--v3-mono);
  font-size: 8.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  fill: var(--v3-ink-mute);
  dominant-baseline: middle;
}
.v3-how-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem;
}
.v3-how-card {
  border: 1px solid var(--v3-line);
  background: var(--v3-paper);
  border-radius: 14px;
  padding: 1.6rem 1.5rem 1.7rem;
  display: grid; gap: 0.7rem;
  align-content: start;
}
.v3-how-step {
  font-family: var(--v3-mono); font-size: 0.66rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--v3-ink-mute);
}
.v3-how-title {
  font-family: var(--v3-sans); font-weight: 500;
  font-size: 1.3rem; letter-spacing: -0.015em; line-height: 1.2;
}
.v3-how-body {
  color: var(--v3-ink-soft); font-size: 0.96rem; line-height: 1.55;
}
.v3-how-deploy {
  margin-top: 2.4rem;
  padding: 1.4rem 1.5rem;
  border: 1px solid var(--v3-line-strong);
  border-radius: 12px;
  background: var(--v3-bg-soft);
  display: grid; grid-template-columns: auto 1fr; gap: 1.2rem; align-items: center;
}
.v3-how-deploy-text {
  color: var(--v3-ink); font-size: 0.98rem; line-height: 1.5;
}

/* ---------- Inverted CTA ---------- */
.v3-inverted {
  background: #14181d;
  color: #f7f9fb;
  padding: 5rem 0;
  margin-top: 4rem;
}
.v3-inverted .shell {
  display: grid; gap: 2.5rem;
}
.v3-pilot-head { max-width: 64ch; display: grid; gap: 1.1rem; }
.v3-pilot-head p { color: rgba(247,249,251,0.7); font-size: 1rem; }

.v3-pilot-scope {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  margin: 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(247,249,251,0.14);
}
.v3-pilot-item dt {
  font-family: var(--v3-mono); font-size: 0.68rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(247,249,251,0.62);
  padding-bottom: 0.55rem;
}
.v3-pilot-item dd {
  margin: 0;
  color: rgba(247,249,251,0.85);
  font-size: 0.94rem; line-height: 1.5;
}
.v3-pilot-cta {
  display: flex; gap: 0.7rem; flex-wrap: wrap;
  padding-top: 0.5rem;
}
.v3-inverted h2 {
  font-family: var(--v3-sans);
  font-weight: 500;
  font-size: clamp(1.9rem, 3.2vw, 2.8rem);
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: #f7f9fb;
  margin-top: 1rem;
  max-width: 18ch;
  text-wrap: balance;
}
.v3-inverted p {
  color: rgba(247,249,251,0.7);
  max-width: 44ch; font-size: 1rem;
}
.v3-inverted-actions { display: flex; gap: 0.7rem; padding-top: 1.3rem; }
.v3-cta-on-dark {
  background: #f7f9fb; color: #14181d; border-color: #f7f9fb;
}
.v3-cta-on-dark:hover { background: #ffffff; border-color: #ffffff; }
.v3-cta-on-dark-secondary {
  background: transparent; color: #f7f9fb; border-color: rgba(247,249,251,0.32);
}
.v3-cta-on-dark-secondary:hover { background: rgba(247,249,251,0.06); border-color: #f7f9fb; }

/* ---------- Footer ---------- */
.v3-footer {
  padding: 3.5rem 0 2rem;
  border-top: 1px solid var(--v3-line);
  display: grid; gap: 2.5rem;
}
.v3-footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
.v3-footer-brand {
  font-family: var(--v3-sans);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.v3-footer-tag { color: var(--v3-ink-mute); margin-top: 0.6rem; max-width: 32ch; font-size: 0.95rem; }
.v3-footer-col h4 {
  font-family: var(--v3-mono); font-size: 0.7rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--v3-ink-mute); margin-bottom: 0.9rem;
  font-weight: 400;
}
.v3-footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.45rem; }
.v3-footer-col a { color: var(--v3-ink-soft); font-size: 0.92rem; transition: color 140ms ease; }
.v3-footer-col a:hover { color: var(--v3-ink); }
.v3-footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 1.6rem; border-top: 1px solid var(--v3-line);
  font-family: var(--v3-mono); font-size: 0.7rem; letter-spacing: 0.10em;
  text-transform: uppercase; color: var(--v3-ink-mute);
}

/* ---------- Dialog ---------- */
.v3-veil {
  position: fixed; inset: 0; z-index: 60;
  display: none; place-items: center;
  padding: 1.5rem;
  background: rgba(17,20,25,0.42);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.v3-veil.is-open { display: grid; }
.v3-dialog {
  width: min(540px, 100%);
  background: var(--v3-paper);
  border: 1px solid var(--v3-line-strong);
  border-radius: 14px;
  padding: 2.2rem;
  display: grid; gap: 1.1rem;
}
.v3-dialog h2 {
  font-family: var(--v3-sans); font-weight: 500;
  font-size: 1.7rem; line-height: 1.1; letter-spacing: -0.02em;
}
.v3-dialog-subtitle { color: var(--v3-ink-soft); }
.v3-dialog .field { display: grid; gap: 0.4rem; }
.v3-dialog .field-label {
  font-family: var(--v3-mono); font-size: 0.7rem;
  letter-spacing: 0.10em; text-transform: uppercase; color: var(--v3-ink-mute);
}
.v3-dialog input, .v3-dialog select, .v3-dialog textarea {
  font-family: var(--v3-sans); font-size: 1rem; color: var(--v3-ink);
  padding: 0.78rem 0.9rem;
  border: 1px solid var(--v3-line-strong); border-radius: 8px;
  background: #fff;
}
.v3-dialog textarea {
  resize: vertical; min-height: 4.5rem; line-height: 1.4;
}
.v3-dialog input:focus, .v3-dialog select:focus, .v3-dialog textarea:focus {
  outline: 2px solid var(--v3-accent-deep); outline-offset: 1px;
}
.v3-dialog-actions { display: flex; justify-content: flex-end; gap: 0.6rem; padding-top: 0.2rem; }
.v3-success {
  padding: 0.85rem 1rem;
  border-radius: 8px;
  background: rgba(144,160,176,0.14);
  border: 1px solid rgba(102,113,125,0.32);
  color: var(--v3-ink);
  font-family: var(--v3-mono); font-size: 0.76rem; letter-spacing: 0.06em;
}
.v3-success-meta { color: var(--v3-ink-mute); font-size: 0.95rem; }
.v3-success-meta strong { color: var(--v3-ink); }
.v3-dialog-form { display: grid; gap: 1.1rem; }
.v3-dialog-done { display: none; gap: 1.1rem; }

/* ---------- Reveal on load ---------- */
[data-reveal] {
  opacity: 0; transform: translateY(8px);
  transition: opacity 500ms ease, transform 500ms ease;
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .v3-hero { grid-template-columns: 1fr; gap: 2.5rem; align-items: start; padding: 4.5rem 0 2.5rem; }
  .v3-proof-grid { grid-template-columns: 1fr; gap: 1.2rem; }
  .v3-list-header { grid-template-columns: 1fr; gap: 1.2rem; padding-bottom: 2rem; }
  .v3-row { grid-template-columns: 4ch 1fr; gap: 1.2rem; }
  .v3-row-body { grid-column: 1 / -1; padding-left: 4ch; max-width: none; padding-top: 0.2rem; }
  .v3-how-grid { grid-template-columns: 1fr; }
  .v3-how-deploy { grid-template-columns: 1fr; gap: 0.6rem; }
  .v3-audit-grid { grid-template-columns: 1fr; gap: 2rem; }
  .v3-obligations-grid { grid-template-columns: 1fr; gap: 2rem; }
  .v3-pilot-scope { grid-template-columns: 1fr 1fr; gap: 1.4rem; }
  .v3-footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .v3-nav { display: none; }
  .v3-cta-desktop { display: none; }
  .v3-burger { display: flex; }
}
@media (max-width: 640px) {
  .v3-hero { padding: 4.5rem 0 3rem; }
  .v3-pilot-scope { grid-template-columns: 1fr; }
  .v3-audit-row { grid-template-columns: 1.4rem 1fr; }
  .v3-audit-tag { grid-column: 2; justify-self: start; margin-top: 0.3rem; }
  .v3-obligations-row { grid-template-columns: 1.4rem 1fr; }
  .v3-obligations-tag { grid-column: 2; justify-self: start; margin-top: 0.3rem; }
  .v3-footer-top { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
}