/* ==========================================================================
   Resolute Business Development
   Design system. Section numbers refer to the build file.
   ========================================================================== */

/* 2.1 Fonts -------------------------------------------------------------- */

@font-face {
  font-family: "Source Serif 4";
  src: url("../fonts/SourceSerif4-var-latin.woff2") format("woff2");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../fonts/Inter-var-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/IBMPlexMono-400-latin.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/IBMPlexMono-500-latin.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* 3.2 Metric-matched fallbacks. Overrides measured against the subset files
   above with @capsizecss/unpack, against the local face named in src with
   @capsizecss/metrics. Target is zero reflow when the web font lands. */

@font-face {
  font-family: "Source Serif 4 Fallback";
  src: local("Georgia");
  size-adjust: 107.45%;
  ascent-override: 96.42%;
  descent-override: 31.18%;
  line-gap-override: 0%;
}

@font-face {
  font-family: "Inter Fallback";
  src: local("Arial"), local("Helvetica");
  size-adjust: 107.12%;
  ascent-override: 90.44%;
  descent-override: 22.52%;
  line-gap-override: 0%;
}

@font-face {
  font-family: "IBM Plex Mono Fallback";
  src: local("Courier New");
  size-adjust: 99.98%;
  ascent-override: 102.52%;
  descent-override: 27.5%;
  line-gap-override: 0%;
}

/* 3.1 Tokens ------------------------------------------------------------- */

:root {
  --bg: #f7f5ee; /* Page ground, warm ivory */
  --surface: #efece1; /* Cards, alternating bands, quote blocks */
  --surface-raised: #ffffff; /* ONLY: capability cards, personnel cards, identifiers block */
  --text: #1a1f1b; /* Headings and body, near-black with green cast */
  --text-secondary: #575a52; /* Supporting copy, captions, stat labels */
  --green-900: #1e3b2a; /* Ink bands, footer, CTA band, Human chip */
  --green-700: #2e5a3e; /* Hover on green-900 elements, link hover */
  --green-600: #35603f; /* Eyebrows, links, accents on light ground */
  --green-200: #dce6ce; /* Chips, layer tiles, subtle fills. NEVER text. */
  --border: #e3e0d4; /* 1px hairlines, card strokes, table rules */
  --border-on-dark: #2e4a38; /* 1px rules on green-900 ground */
  --text-on-dark: #f4f2e9; /* Text on green-900 */
  --text-on-dark-secondary: #b9c4b4; /* Secondary text on green-900 */

  --serif: "Source Serif 4", "Source Serif 4 Fallback", Georgia, serif;
  --sans: "Inter", "Inter Fallback", -apple-system, Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", "IBM Plex Mono Fallback", SFMono-Regular, Menlo, monospace;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-soft: 0 1px 2px rgba(20, 31, 27, 0.06); /* Ceiling, not a default. No component applies it at rest. */

  --nav-height: 72px;
  --measure: 660px;
}

/* Base ------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  /* Left at 16px so rem-based heading clamps keep their intended pixel sizes. */
  font-size: 16px;
  color: var(--text);
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (min-width: 768px) {
  body {
    font-size: 17px;
  }
}

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

/* 3.2 Typography --------------------------------------------------------- */

h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  color: var(--text);
  margin: 0;
  text-wrap: balance;
}

h1,
.display {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.875rem, 3.2vw, 2.5rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.015em;
}

h3 {
  font-size: clamp(1.5rem, 2.2vw, 1.75rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h4 {
  font-size: clamp(1.125rem, 1.4vw, 1.25rem);
  font-weight: 600;
  line-height: 1.35;
}

/* The H3 and H4 type roles applied to whatever element keeps the document
   outline sequential. Type treatment is identical to the tags above. */
.h3-scale {
  font-size: clamp(1.5rem, 2.2vw, 1.75rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.h4-scale {
  font-size: clamp(1.125rem, 1.4vw, 1.25rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: normal;
}

p {
  margin: 0;
}

p + p {
  margin-top: 24px;
}

.lede {
  font-size: 18px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.small {
  font-size: 13px;
  line-height: 1.45;
}

@media (min-width: 768px) {
  .lede {
    font-size: 20px;
  }

  .small {
    font-size: 14px;
  }
}

.eyebrow {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green-600);
  margin: 0 0 16px; /* Eyebrows sit 16px above their H2. */
}

@media (min-width: 768px) {
  .eyebrow {
    font-size: 13px;
  }
}

/* Prose measure. Column spans locate a block; they never widen it past this. */
.measure {
  max-width: var(--measure);
}

/* 3.3 Layout ------------------------------------------------------------- */

.container {
  /* Content area is 1200px. Padding sits outside that box. */
  max-width: 1248px;
  margin-inline: auto;
  padding-inline: 24px;
}

@media (min-width: 1024px) {
  .container {
    max-width: 1296px;
    padding-inline: 48px;
  }
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.grid > * {
  grid-column: 1 / -1;
}

@media (min-width: 768px) {
  .grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
  }

  .span-5 {
    grid-column: span 5;
  }

  .span-7 {
    grid-column: span 7;
  }

  .span-8 {
    grid-column: span 8;
  }

  .col-4-12 {
    grid-column: 4 / 13;
  }

  .col-4-11 {
    grid-column: 4 / 12;
  }

  .col-6-13 {
    grid-column: 6 / 13;
  }

  .col-1-8 {
    grid-column: 1 / 9;
  }
}

.section {
  padding-block: 64px;
}

.section--hero {
  padding-block: 64px;
}

@media (min-width: 768px) {
  .section {
    padding-block: 96px;
  }

  .section--lg {
    padding-block: 120px;
  }

  .section--hero {
    padding-top: 160px;
    padding-bottom: 96px;
  }

  /* 7.3 Federal only. Required so the identifiers clear the fold. */
  .section--hero-federal {
    padding-top: 64px;
    padding-bottom: 64px;
  }
}

.section--flush-top {
  padding-top: 0;
}

.band-surface {
  background-color: var(--surface);
}

.band-green {
  background-color: var(--green-900);
}

/* Anchor targets clear the compacted bar. Also satisfies WCAG 2.2 SC 2.4.11. */
[id] {
  scroll-margin-top: 88px;
}

/* Accessibility ---------------------------------------------------------- */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 200;
  transform: translateY(-200%);
  padding: 12px 16px;
  background-color: var(--bg);
  color: var(--green-600);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 8px;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--green-600);
  outline-offset: 2px;
}

:focus-visible {
  outline: 2px solid var(--green-600);
  outline-offset: 2px;
}

.band-green :focus-visible,
.mobile-nav :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--text-on-dark);
}

/* 3.4 Navigation --------------------------------------------------------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background-color: var(--bg);
  border-bottom: 1px solid transparent;
}

.site-nav .container,
.nav-inner {
  height: 100%;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.wordmark {
  display: block;
  text-decoration: none;
  color: var(--text);
  line-height: 1.1;
}

.wordmark-name {
  display: block;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 20px;
}

.wordmark-sub {
  display: none;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  margin-top: 2px;
}

@media (min-width: 1024px) {
  .wordmark-sub {
    display: block;
  }
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding-block: 4px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  transition: color 180ms var(--ease-out);
}

.nav-link:hover {
  color: var(--green-700);
}

.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background-color: var(--green-600);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  padding: 0;
  background: none;
  border: 0;
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }
}

/* Compaction past 80px. Scroll-driven animation only: browsers without
   support keep the static 72px bar, which is acceptable. */
@keyframes nav-compact {
  to {
    height: 64px;
    background-color: var(--bg);
    border-bottom-color: var(--border);
  }
}

@supports ((backdrop-filter: blur(12px)) or (-webkit-backdrop-filter: blur(12px))) {
  @keyframes nav-compact {
    to {
      height: 64px;
      background-color: rgba(247, 245, 238, 0.85);
      border-bottom-color: var(--border);
    }
  }

  .site-nav {
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }
}

@supports (animation-timeline: scroll()) {
  @media (prefers-reduced-motion: no-preference) {
    .site-nav {
      animation: nav-compact linear both;
      animation-timeline: scroll(root block);
      animation-range: 40px 80px;
    }
  }
}

/* Mobile nav. Native dialog: focus trap, Escape, focus return and inert
   background all come from the platform. */
html:has(dialog[open]) {
  overflow: hidden;
}

.mobile-nav {
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background-color: var(--green-900);
  color: var(--text-on-dark);
}

.mobile-nav::backdrop {
  background-color: var(--green-900);
}

.mobile-nav-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0 24px 48px;
}

.mobile-nav-top {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  height: var(--nav-height);
  flex: none;
}

.nav-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  padding: 0;
  background: none;
  border: 0;
  border-radius: 8px;
  color: var(--text-on-dark);
  cursor: pointer;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 24px;
  list-style: none;
  margin: 48px 0 0;
  padding: 0;
}

.mobile-nav-links a {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 500;
  line-height: 1.2;
  color: var(--text-on-dark);
  text-decoration: none;
}

.mobile-nav-links a[aria-current="page"] {
  color: var(--green-200);
}

.mobile-nav .btn {
  align-self: flex-start;
  margin-top: 48px;
}

@media (min-width: 1024px) {
  .mobile-nav {
    display: none;
  }
}

/* 3.4 Buttons ------------------------------------------------------------ */

.btn {
  display: inline-block;
  padding: 14px 24px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color 180ms var(--ease-out),
    color 180ms var(--ease-out),
    border-color 180ms var(--ease-out);
}

.btn-primary {
  background-color: var(--green-900);
  color: var(--text-on-dark);
  border-color: var(--green-900);
}

.btn-primary:hover {
  background-color: var(--green-700);
  border-color: var(--green-700);
}

.btn-secondary {
  background-color: transparent;
  color: var(--green-900);
  border-color: var(--green-900);
}

.btn-secondary:hover {
  background-color: var(--green-900);
  color: var(--text-on-dark);
}

.btn-inverted {
  background-color: var(--bg);
  color: var(--green-900);
  border-color: var(--bg);
}

.btn-inverted:hover {
  background-color: var(--surface);
  border-color: var(--surface);
}

/* Nav button is the secondary treatment at UI scale. */
.btn-nav {
  padding: 10px 18px;
  font-size: 15px;
}

.text-link {
  display: inline;
  color: var(--green-600);
  font-weight: 500;
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: background-size 200ms var(--ease-out);
}

.text-link:hover {
  background-size: 100% 1px;
}

.text-link-row {
  margin-top: 32px;
}

.text-link-center {
  margin-top: 48px;
  text-align: center;
}

.download-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.download-link .icon {
  flex: none;
  width: 16px;
  height: 16px;
  color: var(--green-600);
  transform: translateY(2px);
}

/* 3.4 Cards -------------------------------------------------------------- */

.card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
}

.card-raised {
  background-color: var(--surface-raised);
}

a.card {
  display: block;
  text-decoration: none;
  color: inherit;
  transition:
    border-color 180ms var(--ease-out),
    transform 180ms var(--ease-out);
}

a.card:hover {
  border-color: var(--green-600);
  transform: translateY(-2px);
}

/* 3.4 Chips -------------------------------------------------------------- */

.chip {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background-color: var(--green-200);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.04em;
}

.chip-inverted {
  background-color: var(--green-900);
  border-color: var(--border-on-dark);
  color: var(--text-on-dark);
}

/* 3.4 Stat block --------------------------------------------------------- */

.stats {
  display: grid;
  gap: 48px;
  margin-top: 64px;
}

@media (min-width: 768px) {
  .stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

.stat-num {
  display: block;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text);
}

.stat-label {
  display: block;
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.45;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

@media (min-width: 768px) {
  .stat-num {
    font-size: 56px;
  }
}

/* Page sections ---------------------------------------------------------- */

/* Hero. 7 columns of content, columns 8 through 12 stay empty. */
.hero-eyebrow {
  margin-bottom: 24px;
}

.hero h1 {
  margin-bottom: 24px;
}

.hero .lede {
  max-width: var(--measure);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px 32px;
  margin-top: 48px;
}

.section-intro {
  margin-top: 24px;
}

/* 7.1 Section 2. The stakes. */
.stakes {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding-block: 64px;
}

@media (min-width: 768px) {
  .stakes {
    padding-block: 96px;
  }
}

.stakes p {
  max-width: var(--measure);
  margin-inline: auto;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.2vw, 1.75rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

/* 7.1 Section 3. Operating model. */
.layers {
  display: grid;
  gap: 24px;
  margin-top: 64px;
}

@media (min-width: 768px) {
  .layers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .layers {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.layer-tile {
  display: flex;
  flex-direction: column;
  padding: 32px;
  border-radius: 8px;
  background-color: var(--green-200);
}

.layer-tile--human {
  background-color: var(--green-900);
}

.layer-descriptor {
  margin-top: 24px;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--text);
}

.layer-detail {
  margin-top: 8px;
  color: var(--text-secondary);
}

.layer-tile--human .layer-descriptor {
  color: var(--text-on-dark);
}

.layer-tile--human .layer-detail {
  color: var(--text-on-dark-secondary);
}

.pullquote {
  margin: 72px 0 0;
  padding-left: 32px;
  border-left: 2px solid var(--green-600);
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

/* 7.1 Section 4. Capabilities. */
.capability-cards {
  display: grid;
  gap: 24px;
  margin-top: 64px;
  align-items: stretch;
}

@media (min-width: 768px) {
  .capability-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.capability-card {
  display: flex;
  flex-direction: column;
}

.capability-card > p {
  margin-top: 16px;
  color: var(--text-secondary);
}

.service-list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
}

.service-list li {
  padding-top: 16px;
  margin-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
}

.service-list li:first-child {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.term {
  color: var(--text);
  font-weight: 500;
}

/* 7.1 Section 5. Approach. */
.steps {
  display: grid;
  gap: 48px 24px;
  margin-top: 64px;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.step-num {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--green-600);
  margin-bottom: 16px;
}

.step p {
  margin-top: 16px;
  color: var(--text-secondary);
}

/* 7.1 Section 6 and 7.2. Bios. Portrait column is reserved and empty:
   a portrait drops in later with no layout rewrite. */
.bio {
  margin-top: 72px;
  align-items: start;
}

.bio-text > p {
  margin-top: 16px;
  color: var(--text-secondary);
}

/* Role lines render exactly as authored. Janet's source string is uppercase
   and Thomas's is not, so no text-transform is applied to either. */
.bio-role {
  display: block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.45;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.portrait-slot {
  display: none;
}

@media (min-width: 768px) {
  /* Reserved, empty, and no intrinsic height: the column is held open so a
     portrait drops into it later without a layout rewrite. */
  .portrait-slot {
    display: block;
    grid-column: span 5;
  }

  .bio--mirrored .bio-text {
    grid-column: 1 / 8;
    grid-row: 1;
  }

  .bio--mirrored .portrait-slot {
    grid-column: 8 / 13;
    grid-row: 1;
  }
}

/* 7.1 Section 7. CTA band. */
.cta-band {
  padding-block: 64px;
}

@media (min-width: 768px) {
  .cta-band {
    padding-block: 120px;
  }
}

.cta-band h2 {
  color: var(--text-on-dark);
}

.cta-band .btn {
  margin-top: 48px;
}

.cta-fallback {
  margin-top: 24px;
  font-size: 15px;
  color: var(--text-on-dark-secondary);
}

.cta-fallback a,
.footer-col a,
.footer-contact a {
  color: inherit;
}

/* 3.4 Footer ------------------------------------------------------------- */

.site-footer {
  background-color: var(--green-900);
  color: var(--text-on-dark);
  padding-block: 72px 48px;
}

.footer-statement {
  max-width: 800px;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text-on-dark);
}

.footer-cols {
  display: grid;
  gap: 48px;
  margin-top: 72px;
}

@media (min-width: 600px) {
  .footer-cols {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

.footer-col h2 {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-on-dark-secondary);
}

.footer-col ul {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.footer-col li {
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.6;
}

.footer-col li:first-child {
  margin-top: 0;
}

.footer-col a {
  text-decoration: none;
  transition: color 180ms var(--ease-out);
}

.footer-col a:hover {
  color: var(--text-on-dark-secondary);
}

.footer-contact li {
  color: var(--text-on-dark-secondary);
}

.footer-contact li.footer-name {
  color: var(--text-on-dark);
}

.footer-contact li.footer-name:not(:first-child) {
  margin-top: 24px;
}

.footer-rule {
  height: 1px;
  margin: 48px 0 0;
  border: 0;
  background-color: var(--border-on-dark);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-top: 32px;
}

.footer-legal p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-on-dark-secondary);
}

.footer-tagline {
  margin-left: auto;
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  color: var(--text-on-dark);
  text-align: right;
}

/* 7.3 Federal ------------------------------------------------------------ */

.identifiers {
  background-color: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
}

.identifiers table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 14px;
  text-align: left;
}

.identifiers th,
.identifiers td {
  padding: 16px 0;
  border-top: 1px solid var(--border);
  vertical-align: top;
}

.identifiers tr:first-child th,
.identifiers tr:first-child td {
  border-top: 0;
  padding-top: 0;
}

.identifiers th {
  width: 120px;
  padding-right: 24px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.identifiers td {
  color: var(--text);
}

@media (min-width: 600px) {
  .identifiers th {
    width: 160px;
  }
}

.differentiators {
  list-style: none;
  margin: 48px 0 0;
  padding: 0;
  max-width: var(--measure);
}

.differentiators li {
  padding-top: 24px;
  margin-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
}

.differentiators li:first-child {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

/* 7.4 Contact and 7.5 404 ------------------------------------------------ */

.single-column {
  max-width: var(--measure);
  margin-inline: auto;
  text-align: center;
}

.single-column .lede {
  margin-top: 24px;
}

/* Wider than the prose measure so email addresses do not break mid-word. */
.contact-cards {
  display: grid;
  gap: 24px;
  max-width: 840px;
  margin: 64px auto 0;
  text-align: left;
}

@media (min-width: 600px) {
  .contact-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.contact-card .contact-name {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.35;
}

.contact-card .contact-role {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.45;
  color: var(--text-secondary);
}

.contact-card .contact-detail {
  margin-top: 16px;
}

.contact-card .contact-detail a {
  color: var(--green-600);
  text-decoration: none;
}

.contact-card .contact-detail a:hover {
  text-decoration: underline;
}

.response-note {
  margin-top: 48px;
  color: var(--text-secondary);
}

/* 3.5 Motion ------------------------------------------------------------- */

/* The unguarded default is the final, visible state. Nothing depends on
   script or on scroll-driven animation support to become visible. */
.reveal {
  opacity: 1;
  transform: none;
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      animation: reveal 350ms var(--ease-out) both;
      animation-timeline: view();
      animation-range: entry 0% cover 20%;
    }

    /* Stagger across siblings. Time-based delays do not apply to scroll
       timelines, so each sibling starts a little further into its entry. */
    .reveal-group > *:nth-child(2) {
      animation-range: entry 6% cover 24%;
    }

    .reveal-group > *:nth-child(3) {
      animation-range: entry 12% cover 28%;
    }

    .reveal-group > *:nth-child(4) {
      animation-range: entry 18% cover 32%;
    }

    .reveal-group > *:nth-child(5) {
      animation-range: entry 24% cover 36%;
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }
}