/* Axiome Intelligence — /defense
   Page-local editorial palette. Do not add to tokens.css. */

.va-df-page {
  --df-paper:      #f2ede4;
  --df-paper-warm: #e8e1d1;
  --df-card:       #ffffff;
  --df-rule:       #d5cdbd;
  --df-rule-soft:  #eae3d1;
  --df-ink:        #1a1e24;
  --df-graphite:   #3a4048;
  --df-oxide:      #8a1c1c;
  --df-grid-line:  rgba(90, 80, 60, 0.07);

  background: var(--df-paper);
  color: var(--df-ink);
}

/* Section frame */
.va-df-page .va-df-section {
  padding-block: var(--space-block);
}

.va-df-page .va-df-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--df-oxide);
  font-weight: 600;
  margin: 0 0 0.75rem;
}

/* Shared section head typography */
.va-df-page .va-df-h2 {
  font-family: var(--font-body);
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--df-ink);
  margin: 0.5rem 0 0.875rem;
}
.va-df-page .va-df-h2 em {
  font-style: normal;
  color: var(--df-oxide);
}
.va-df-page .va-df-lede {
  font-size: 0.90625rem;
  line-height: 1.6;
  color: var(--df-graphite);
  margin: 0;
  max-width: 56ch;
}

/* § 00 Hero */
.va-df-page .va-df-hero { padding-block: clamp(4rem, 8vw, 7rem); }
.va-df-hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3rem;
  align-items: center;
}
.va-df-hero__title {
  font-family: var(--font-body);
  font-size: clamp(2.25rem, 4.5vw, 3.25rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--df-ink);
  margin: 0 0 1.25rem;
  max-width: 22ch;
}
.va-df-hero__title em {
  font-style: normal;
  color: var(--df-oxide);
}
.va-df-hero__lede,
.va-df-hero__sub {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--df-graphite);
  margin: 0 0 1.25rem;
  max-width: 44ch;
}

.va-df-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 1rem 1.375rem;
  background: var(--df-ink);
  color: var(--df-paper);
  border-radius: 2px;
  transition: background 160ms ease;
}
.va-df-cta-primary:hover { background: var(--df-oxide); }
.va-df-cta-primary:focus-visible {
  outline: 2px solid var(--df-oxide);
  outline-offset: 2px;
}

/* Hero visual panel */
.va-df-hero__visual {
  position: relative;
  background: var(--df-paper-warm);
  border: 1px solid var(--df-rule);
  aspect-ratio: 1.15 / 1;
  padding: 1.25rem;
  overflow: hidden;
}
.va-df-hero__grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--df-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--df-grid-line) 1px, transparent 1px);
  background-size: 24px 24px;
}
.va-df-hero__topology {
  position: absolute;
  top: 1.25rem; left: 1.25rem; right: 1.25rem; bottom: 3.5rem;
  width: auto; height: auto;
}
.va-df-hero__caption {
  position: absolute;
  bottom: 1rem; left: 1rem; right: 1rem;
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--df-oxide);
  z-index: 2;
}

/* § 01 Domains */
.va-df-domains__head {
  max-width: 64ch;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--df-rule);
}
.va-df-domains__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.125rem;
}
.va-df-domain__card {
  background: var(--df-card);
  border: 1px solid var(--df-rule);
  padding: 1.375rem 1.25rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 230px;
  transition: border-color 180ms ease, transform 180ms ease;
}
.va-df-domain__card:hover {
  border-color: var(--df-oxide);
  transform: translateY(-2px);
}
.va-df-domain__num {
  font-size: 0.625rem;
  color: var(--df-oxide);
  letter-spacing: 0.1em;
}
.va-df-domain__glyph {
  width: 48px;
  height: 48px;
  margin: 0.125rem 0 0.25rem;
}
.va-df-domain__name {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.005em;
  line-height: 1.2;
  color: var(--df-ink);
}
.va-df-domain__hook {
  font-size: 0.78125rem;
  line-height: 1.5;
  color: var(--df-graphite);
  margin: 0;
  flex: 1;
}
.va-df-domain__hook strong {
  color: var(--df-ink);
  font-weight: 600;
}
.va-df-domain__link {
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--df-ink);
  padding-top: 0.625rem;
  border-top: 1px solid var(--df-rule-soft);
  margin-top: 0.375rem;
  opacity: 0.65;
  transition: opacity 160ms ease, color 160ms ease;
}
.va-df-domain__link:hover { opacity: 1; color: var(--df-oxide); }
.va-df-domain__link:focus-visible {
  outline: 2px solid var(--df-oxide);
  outline-offset: 2px;
  opacity: 1;
}

/* § 02 Methodology */
.va-df-pipe__head {
  max-width: 64ch;
  margin-bottom: 2.5rem;
  padding-bottom: 1.625rem;
  border-bottom: 1px solid var(--df-rule);
}
.va-df-pipe__track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  padding: 1.25rem 0 1.25rem;
}
.va-df-pipe__line {
  position: absolute;
  left: 6%; right: 6%;
  top: calc(1.25rem + 38px);
  height: 1px;
  background: var(--df-oxide);
  opacity: 0.35;
  z-index: 0;
}
.va-df-pipe__stage {
  position: relative;
  text-align: center;
  padding: 0 0.5rem;
  z-index: 1;
}
.va-df-pipe__badge {
  width: 60px;
  height: 60px;
  margin: 0 auto 0.875rem;
  background: var(--df-paper);
  border: 1px solid var(--df-rule);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  position: relative;
}
.va-df-pipe__num {
  font-size: 0.59375rem;
  color: var(--df-oxide);
  letter-spacing: 0.1em;
  margin: 0 0 0.25rem;
}
.va-df-pipe__name {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  margin: 0 0 0.375rem;
  letter-spacing: -0.005em;
  color: var(--df-ink);
}
.va-df-pipe__desc {
  font-size: 0.71875rem;
  line-height: 1.45;
  color: var(--df-graphite);
  margin: 0;
}
.va-df-pipe__axis {
  margin-top: 2rem;
  padding-top: 1.125rem;
  border-top: 1px dashed var(--df-rule); /* fallback for pre-color-mix browsers */
  border-top: 1px dashed color-mix(in oklab, var(--df-rule) 80%, transparent);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.625rem;
  color: var(--df-oxide);
  letter-spacing: 0.1em;
}
.va-df-pipe__arrow { opacity: 0.5; }

.va-df-pipe__discipline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--df-rule);
}
.va-df-disc__mark {
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  color: var(--df-oxide);
  font-weight: 600;
  margin: 0 0 0.625rem;
}
.va-df-disc__title {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--df-ink);
}
.va-df-disc__body {
  font-size: 0.78125rem;
  line-height: 1.55;
  color: var(--df-graphite);
  margin: 0;
}

/* § 03 Recent briefs */
.va-df-briefs__head {
  max-width: 72ch;
  margin-bottom: 2.25rem;
  padding-bottom: 1.625rem;
  border-bottom: 1px solid var(--df-rule);
}
.va-df-briefs__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.va-df-brief {
  background: var(--df-card);
  border: 1px solid var(--df-rule);
  display: flex;
  flex-direction: column;
  min-height: 340px;
  overflow: hidden;
  transition: border-color 180ms ease, transform 180ms ease;
}
.va-df-brief:hover {
  border-color: var(--df-oxide);
  transform: translateY(-2px);
}
.va-df-brief__cover {
  height: 150px;
  background: var(--df-paper-warm);
  border-bottom: 1px solid var(--df-rule);
  position: relative;
  overflow: hidden;
}
.va-df-brief__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(90, 80, 60, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 80, 60, 0.06) 1px, transparent 1px);
  background-size: 16px 16px;
}
.va-df-brief__stamp {
  position: absolute;
  top: 0.625rem; left: 0.625rem;
  font-size: 0.5625rem;
  color: var(--df-graphite);
  letter-spacing: 0.1em;
  background: rgba(242, 237, 228, 0.75);
  padding: 0.125rem 0.375rem;
  z-index: 2;
}
.va-df-brief__art {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.va-df-brief__cover-title {
  position: absolute;
  bottom: 0.75rem; left: 0.75rem; right: 0.75rem;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  line-height: 1.15;
  color: var(--df-ink);
  font-weight: 600;
  letter-spacing: -0.005em;
  margin: 0;
  z-index: 2;
}
.va-df-brief__body {
  padding: 0.875rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}
.va-df-brief__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.59375rem;
  color: var(--df-oxide);
  letter-spacing: 0.08em;
}
.va-df-brief__tag {
  background: var(--df-paper);
  padding: 0.125rem 0.375rem;
  border: 1px solid var(--df-rule);
  color: var(--df-graphite);
  font-size: 0.5625rem;
}
.va-df-brief__summary {
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--df-graphite);
  margin: 0;
  flex: 1;
}
.va-df-brief__link {
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--df-ink);
  padding-top: 0.625rem;
  border-top: 1px solid var(--df-rule-soft);
  opacity: 0.7;
  transition: opacity 160ms ease, color 160ms ease;
}
.va-df-brief__link:hover { opacity: 1; color: var(--df-oxide); }
.va-df-brief__link:focus-visible {
  outline: 2px solid var(--df-oxide);
  outline-offset: 2px;
  opacity: 1;
}

/* § 04 Sovereign deployment */
.va-df-sov__grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 3rem;
  align-items: center;
}
.va-df-sov__tiers {
  display: flex;
  gap: 0;
  border-top: 1px solid var(--df-rule);
  border-bottom: 1px solid var(--df-rule);
  margin: 1.375rem 0 1.5rem;
}
.va-df-sov__tier {
  flex: 1;
  padding: 1rem 1.125rem 1rem 0;
  border-right: 1px solid var(--df-rule);
}
.va-df-sov__tier:last-child { border-right: none; padding-right: 0; }
.va-df-sov__tier + .va-df-sov__tier { padding-left: 1.125rem; }
.va-df-sov__tc {
  font-size: 0.625rem;
  color: var(--df-oxide);
  letter-spacing: 0.1em;
  margin: 0 0 0.375rem;
}
.va-df-sov__tname {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  margin: 0 0 0.375rem;
  letter-spacing: -0.005em;
  color: var(--df-ink);
}
.va-df-sov__tbody {
  font-size: 0.71875rem;
  line-height: 1.5;
  color: var(--df-graphite);
  margin: 0;
}
.va-df-cta-secondary {
  display: inline-block;
  margin-left: 0.875rem;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--df-ink);
  padding-bottom: 2px;
  border-bottom: 1px solid var(--df-ink);
  transition: color 160ms ease, border-color 160ms ease;
}
.va-df-cta-secondary:hover { color: var(--df-oxide); border-color: var(--df-oxide); }
.va-df-cta-secondary:focus-visible {
  outline: 2px solid var(--df-oxide);
  outline-offset: 2px;
}

/* Sovereign visual */
.va-df-sov__visual {
  position: relative;
  background: var(--df-paper-warm);
  border: 1px solid var(--df-rule);
  aspect-ratio: 1 / 1;
  overflow: hidden;
}
.va-df-sov__gridbg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--df-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--df-grid-line) 1px, transparent 1px);
  background-size: 24px 24px;
}
.va-df-sov__perimeter {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.va-df-sov__caption {
  position: absolute;
  bottom: 0.875rem; left: 0.875rem; right: 0.875rem;
  font-size: 0.59375rem;
  color: var(--df-oxide);
  letter-spacing: 0.1em;
  z-index: 2;
}

/* § 05 Engage */
.va-df-engage {
  padding-block: clamp(4rem, 8vw, 6rem);
  position: relative;
  overflow: hidden;
}
.va-df-engage__grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3.5rem;
  align-items: flex-start;
}
.va-df-engage__title {
  font-family: var(--font-body);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--df-ink);
  margin: 0.75rem 0 1.25rem;
  max-width: 14ch;
}
.va-df-engage__title em {
  font-style: normal;
  color: var(--df-oxide);
}
.va-df-engage__lede {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--df-graphite);
  margin: 0 0 1.75rem;
  max-width: 52ch;
}
.va-df-engage__ctas {
  display: flex;
  align-items: center;
  gap: 1.125rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.va-df-engage__contact {
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  line-height: 1.75;
  color: var(--df-graphite);
  padding-top: 1.25rem;
  border-top: 1px solid var(--df-rule);
  max-width: 52ch;
}
.va-df-engage__contact strong {
  color: var(--df-ink);
  font-weight: 600;
}
.va-df-engage__contact a {
  color: var(--df-oxide);
  border-bottom: 1px dotted var(--df-oxide);
}
.va-df-engage__contact a:hover { color: var(--df-ink); border-bottom-color: var(--df-ink); }
.va-df-engage__contact p { margin: 0 0 0.875rem; }

.va-df-engage__paths { padding-top: 2.75rem; }
.va-df-engage__paths-eyebrow {
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  color: var(--df-oxide);
  margin: 0 0 1.25rem;
  text-transform: uppercase;
}
.va-df-path {
  padding: 1.25rem 0;
  border-top: 1px solid var(--df-rule);
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 1rem;
  align-items: flex-start;
}
.va-df-path:last-child { border-bottom: 1px solid var(--df-rule); }
.va-df-path__num {
  font-size: 0.6875rem;
  color: var(--df-oxide);
  letter-spacing: 0.08em;
  padding-top: 0.125rem;
}
.va-df-path__name {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  margin: 0 0 0.375rem;
  letter-spacing: -0.005em;
  color: var(--df-ink);
}
.va-df-path__desc {
  font-size: 0.78125rem;
  line-height: 1.55;
  color: var(--df-graphite);
  margin: 0;
}

/* Responsive — ≥ 900px, < 1200px */
@media (max-width: 1199.98px) {
  .va-df-briefs__grid { grid-template-columns: repeat(2, 1fr); }
}

/* Responsive — ≥ 600px, < 900px */
@media (max-width: 899.98px) {
  .va-df-hero__grid,
  .va-df-sov__grid,
  .va-df-engage__grid {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }
  .va-df-domains__grid { grid-template-columns: repeat(2, 1fr); }
  .va-df-pipe__track { grid-template-columns: repeat(3, 1fr); row-gap: 2rem; }
  .va-df-pipe__line { display: none; }
  .va-df-pipe__axis { flex-wrap: wrap; gap: 0.5rem; justify-content: center; }
  .va-df-pipe__discipline { grid-template-columns: 1fr; }
  .va-df-sov__tiers { flex-direction: column; }
  .va-df-sov__tier { border-right: none; border-bottom: 1px solid var(--df-rule); padding: 1rem 0; }
  .va-df-sov__tier:last-child { border-bottom: none; }
  .va-df-sov__tier + .va-df-sov__tier { padding-left: 0; }
  .va-df-engage__paths { padding-top: 0; }
}

/* Responsive — < 600px */
@media (max-width: 599.98px) {
  .va-df-hero__title { font-size: 2.125rem; }
  .va-df-page .va-df-h2 { font-size: 1.625rem; }
  .va-df-engage__title { font-size: 2rem; }
  .va-df-domains__grid { grid-template-columns: 1fr; }
  .va-df-briefs__grid { grid-template-columns: 1fr; }
  .va-df-pipe__track { grid-template-columns: repeat(2, 1fr); }
  .va-df-hero__caption { font-size: 0.5625rem; }
  .va-df-engage__ctas { flex-direction: column; align-items: flex-start; gap: 0.875rem; }
  .va-df-cta-secondary { margin-left: 0; }
}