:root {
  --ink: #102033;
  --muted: #5a6978;
  --paper: #f4f1ea;
  --card: #fffdf8;
  --line: #d5d8d2;
  --red: #a82d2b;
  --red-dark: #7d201f;
  --lime: #c9e265;
  --navy: #102033;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.6 Inter, Arial, Helvetica, sans-serif;
}
a { color: inherit; }
img { max-width: 100%; display: block; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #fff;
  color: var(--ink);
  padding: 0.75rem 1rem;
  z-index: 2000;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.5rem;
  background: var(--navy);
  color: #fff;
  border-bottom: 3px solid var(--red);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  background: #fff;
  border-radius: 0.25rem;
  padding: 0.2rem;
}
.brand span { color: var(--lime); }
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  font-size: 0.92rem;
}
.site-nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}
.site-nav a[aria-current="page"],
.site-nav a:hover { color: var(--lime); }
.nav-cta {
  border: 1px solid #fff;
  padding: 0.55rem 0.85rem;
}
.nav-cta:hover {
  background: #fff;
  color: var(--navy) !important;
}
.hamburger {
  display: none;
  background: none;
  border: 0;
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
}

.hero,
.page-intro,
.paper-hero,
.section,
.cta,
.site-footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4.5rem 1.5rem;
}
.hero {
  padding-top: 5.5rem;
  padding-bottom: 4rem;
}
.eyebrow,
.card-label {
  margin: 0;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--red-dark);
  text-transform: uppercase;
}
.hero h1,
.page-intro h1,
.paper-hero h1 {
  max-width: 16ch;
  margin: 0.75rem 0 1.25rem;
  font: 700 clamp(2.5rem, 6vw, 4.8rem)/1.02 Georgia, "Times New Roman", serif;
  letter-spacing: -0.04em;
}
.lede {
  max-width: 42rem;
  font-size: 1.15rem;
  color: var(--muted);
}
.actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.75rem;
}
.button {
  display: inline-block;
  padding: 0.85rem 1.2rem;
  background: var(--red);
  color: #fff;
  text-decoration: none;
  border: 0;
  font-weight: 700;
}
.button:hover { background: var(--red-dark); }
.button-secondary {
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--ink);
}
.button-secondary:hover {
  background: var(--ink);
  color: #fff;
}
.button-light {
  background: var(--lime);
  color: var(--ink);
}
.button-light:hover { filter: brightness(0.95); }
.text-link { font-weight: 700; }

.credibility {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 1.75rem;
  color: var(--muted);
  font: 0.78rem/1.4 ui-monospace, Consolas, monospace;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.credibility span {
  border-left: 1px solid var(--line);
  padding-left: 1.25rem;
}
.credibility span:first-child {
  border-left: 0;
  padding-left: 0;
}

.statement {
  background: var(--lime);
  padding: 2.5rem 1.5rem;
}
.statement p {
  max-width: var(--max);
  margin: 0 auto;
  font: 700 clamp(1.4rem, 3vw, 2.2rem)/1.2 Georgia, serif;
  letter-spacing: -0.02em;
}

.grid-section {
  display: grid;
  grid-template-columns: 0.9fr 1.3fr;
  gap: 3.5rem;
  align-items: start;
}
h2 {
  margin: 0.4rem 0 1rem;
  font: 700 clamp(1.9rem, 4vw, 3.2rem)/1.05 Georgia, serif;
  letter-spacing: -0.03em;
}
h3 {
  margin: 0 0 0.55rem;
  font: 700 1.15rem/1.25 Georgia, serif;
}
.numbered-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: item;
}
.numbered-list li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.75rem;
  padding: 0 0 1.4rem;
  margin: 0 0 1.2rem;
  border-bottom: 1px solid var(--line);
}
.numbered-list li::before {
  content: "0" counter(item);
  counter-increment: item;
  color: var(--red);
  font-weight: 700;
}
.numbered-list strong,
.numbered-list span { grid-column: 2; }
.numbered-list strong { margin-bottom: -0.6rem; }

.dark-band {
  background: var(--navy);
  color: #f7f4ed;
  padding: 4.5rem max(1.5rem, calc((100vw - var(--max)) / 2));
}
.dark-band .eyebrow { color: var(--lime); }
.feature-row {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.feature-row h2 { max-width: 14ch; margin-bottom: 0; }
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}
.cards article,
.case-card,
.quote-card,
.step-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 1.4rem;
}
.cards .card-label { color: var(--lime); }
.cards a,
.case-card a {
  color: var(--lime);
  font-weight: 700;
  text-decoration: none;
}
.prose { color: var(--muted); font-size: 1.05rem; }

.case-index {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}
.case-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--red);
  min-height: 100%;
}
.case-card p { color: var(--muted); }
.case-card a { color: var(--red); }

.case-study {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3.5rem 1.5rem;
  display: grid;
  grid-template-columns: 13rem 1fr;
  gap: 2.5rem;
  border-top: 1px solid var(--line);
}
.case-study.alt { background: #e8ece8; }
.case-study.alt,
.case-study.full {
  max-width: none;
  padding-left: max(1.5rem, calc((100vw - var(--max)) / 2));
  padding-right: max(1.5rem, calc((100vw - var(--max)) / 2));
}
.case-meta { color: var(--muted); font-size: 0.9rem; }
.case-body h2 { max-width: 18ch; }
.case-lede {
  max-width: 46rem;
  font: 1.25rem/1.4 Georgia, serif;
}
.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2rem;
  margin: 2rem 0;
}
.case-grid section {
  border-top: 2px solid var(--ink);
  padding-top: 0.9rem;
}
.callout {
  border-left: 5px solid var(--red);
  background: #fff;
  padding: 1rem 1.25rem;
  font: 1.15rem/1.4 Georgia, serif;
}

.testimonials {
  background: var(--card);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.quote-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.75rem;
}
.quote-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 4px solid var(--red);
}
.quote-card blockquote {
  margin: 0 0 1rem;
  font: 1.1rem/1.45 Georgia, serif;
}
.quote-card cite {
  display: block;
  font-style: normal;
  color: var(--muted);
  font-size: 0.9rem;
}

.method-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}
.step-card {
  background: var(--card);
  border: 1px solid var(--line);
}
.step-card strong { color: var(--red); }

.paper { background: #fffdf8; }
.paper-hero { border-bottom: 1px solid var(--line); }
.paper-number {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}
.paper-layout {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  display: grid;
  grid-template-columns: 12rem minmax(0, 44rem);
  gap: 3rem;
}
.paper-aside {
  position: sticky;
  top: 5.5rem;
  align-self: start;
  display: grid;
  gap: 0.6rem;
  font-size: 0.88rem;
}
.paper-aside p {
  margin: 0 0 0.5rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
}
.paper-aside a { color: var(--muted); text-decoration: none; }
.paper-body { font-size: 1.05rem; }
.paper-body section { margin-bottom: 2.75rem; }
.paper-body h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); }

.cta { text-align: center; }
.cta h2 { margin-bottom: 1.25rem; }

.site-footer {
  background: var(--navy);
  color: #d7dde4;
}
.site-footer-inner {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
}
.site-footer a { color: #fff; }

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 2px;
}

@media (max-width: 900px) {
  .grid-section,
  .case-study,
  .paper-layout,
  .cards,
  .case-index,
  .quote-grid,
  .method-steps {
    grid-template-columns: 1fr;
  }
  .hamburger { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 72px;
    right: 0;
    left: 0;
    background: var(--navy);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.25rem 1.25rem;
    border-bottom: 3px solid var(--red);
  }
  .site-header.open .site-nav { display: flex; }
  .paper-aside { position: static; }
  .feature-row h2 { max-width: none; }
}

@media (max-width: 560px) {
  .hero,
  .page-intro,
  .paper-hero,
  .section,
  .cta {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .case-grid { grid-template-columns: 1fr; }
  .credibility span {
    border-left: 0;
    padding-left: 0;
  }
}