:root {
  --bg: #0a0a0a;
  --bg-elev: #131313;
  --fg: #f5f5f5;
  --muted: #8a8a8a;
  --line: #1f1f1f;
  --line-soft: #161616;
  --accent: #d4ff00;
  --accent-dim: #7a9400;
  --warm: #d4ff00;
  --warm-dim: #7a9400;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  font-weight: 400;
  line-height: 1.55;
  font-size: 17px;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 1.5rem 4rem;
}
.wrap.wide { max-width: 880px; }

.serif { font-family: 'Instrument Serif', 'Iowan Old Style', Georgia, serif; font-weight: 400; letter-spacing: -0.01em; }
.mono { font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace; }

/* Top nav */
.topnav {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 4rem;
  font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace;
  font-size: 0.95rem;
}
.topnav .brand { color: var(--accent); }
.topnav .brand::before { content: "● "; color: var(--warm); }
.topnav .links a { color: var(--muted); margin-left: 1.25rem; }
.topnav .links a.active, .topnav .links a:hover { color: var(--fg); text-decoration: none; }

/* Hero */
h1 {
  font-family: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  font-size: clamp(2.6rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 400;
  margin-bottom: 1.5rem;
  max-width: 18ch;
}
h1 em { font-style: italic; color: var(--warm); font-weight: 400; }
.lede {
  font-size: 1.15rem; color: var(--muted);
  max-width: 56ch; margin-bottom: 4.5rem; line-height: 1.55;
}
.lede .hl { color: var(--warm); }

/* Section */
section { margin-bottom: 4rem; }
.label {
  font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace;
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--muted);
  margin-bottom: 1.25rem; padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
}
p { margin-bottom: 1rem; max-width: 60ch; }
p:last-child { margin-bottom: 0; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 1rem; }
.stat .num {
  font-family: 'Instrument Serif', serif;
  font-size: 3rem; font-weight: 400;
  color: var(--accent); letter-spacing: -0.04em; line-height: 1;
  margin-bottom: 0.5rem;
}
.stat .cap { font-size: 0.9rem; color: var(--muted); line-height: 1.4; }

/* Service rows */
.what { list-style: none; border-top: 1px solid var(--line); }
.what li {
  padding: 1.25rem 0; border-bottom: 1px solid var(--line);
  display: grid; grid-template-columns: 2.5rem 1fr; gap: 1rem;
  align-items: baseline;
  transition: background 0.15s ease;
}
.what li:hover { background: var(--bg-elev); }
.what li .n { font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace; color: var(--warm); font-size: 0.85rem; }
.what li .t { font-size: 1.05rem; }
.what li .t strong { font-weight: 600; }
.what li .t span { color: var(--muted); display: block; font-size: 0.92rem; margin-top: 0.25rem; }

/* Bio */
.bio p { color: var(--muted); }
.bio p strong { color: var(--fg); font-weight: 500; }

/* CTA */
.cta { margin-top: 5rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.cta a {
  font-family: 'Instrument Serif', serif; color: var(--accent);
  font-size: 1.5rem; font-style: italic;
  border-bottom: 1px solid var(--accent); padding-bottom: 4px;
}
.cta a:hover { color: var(--warm); border-bottom-color: var(--warm); text-decoration: none; }
.cta .small { color: var(--muted); font-size: 0.9rem; margin-top: 1rem; }

/* Footer */
footer {
  margin-top: 5rem; padding-top: 1.5rem; border-top: 1px solid var(--line);
  font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace;
  font-size: 0.72rem; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.14em;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem;
}

/* Case study head */
.casehead { display: grid; gap: 0.6rem; margin-bottom: 3rem; padding-bottom: 2rem; border-bottom: 1px solid var(--line); }
.casehead .cat {
  font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace;
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--warm);
}
.casehead h2 {
  font-family: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  font-size: clamp(2rem, 4.5vw, 2.8rem); font-weight: 400;
  letter-spacing: -0.015em; line-height: 1.1; max-width: 22ch;
}
.casehead .meta { font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace; font-size: 0.85rem; color: var(--muted); margin-top: 0.4rem; }
.casehead .dates { font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--accent-dim); }

/* Tables */
table.mat { width: 100%; border-collapse: collapse; font-size: 0.97rem; }
table.mat th, table.mat td { text-align: left; padding: 0.95rem 0.6rem 0.95rem 0; border-bottom: 1px solid var(--line); vertical-align: top; }
table.mat th {
  font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace;
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--muted); font-weight: 500; width: 28%;
}
table.mat tr:last-child th, table.mat tr:last-child td { border-bottom: 0; }
table.mat td strong { color: var(--accent); font-weight: 500; }
table.mat td .mono { color: var(--muted); font-size: 0.85rem; }

/* Placemat */
.placemat { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1px; background: var(--line); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 1rem 0 0; }
.placemat .col { background: var(--bg); padding: 1.5rem 1.25rem; }
.placemat .col h4 {
  font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace;
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--warm); font-weight: 500; margin-bottom: 0.85rem;
}
.placemat .col p { font-size: 0.95rem; margin-bottom: 0.6rem; }
.placemat .col p:last-child { margin-bottom: 0; }
.placemat .col strong { color: var(--accent); font-weight: 500; }

/* Result callouts */
.result { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 1.5rem 0 0; }
.result .r { padding: 1.25rem; border: 1px solid var(--line); background: var(--bg-elev); transition: border-color 0.15s ease; }
.result .r:hover { border-color: var(--warm-dim); }
.result .r .n { font-family: 'Instrument Serif', serif; color: var(--accent); font-size: 2rem; letter-spacing: -0.03em; line-height: 1; margin-bottom: 0.5rem; }
.result .r .l { color: var(--muted); font-size: 0.88rem; line-height: 1.4; }

/* Stack tags */
.stack { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.5rem; }
.stack span { font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace; font-size: 0.78rem; padding: 0.3rem 0.6rem; border: 1px solid var(--line); color: var(--muted); background: var(--bg-elev); }

/* Services */
.service-intro {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: start;
  margin-bottom: 4.5rem;
}
.service-note {
  border: 1px solid var(--line);
  background: var(--bg-elev);
  padding: 1.35rem;
}
.service-note .k {
  font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--warm);
  margin-bottom: 0.8rem;
}
.service-note p { color: var(--muted); font-size: 0.95rem; }
.service-scenes {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.service-scenes figure {
  background: var(--bg);
  min-width: 0;
}
.service-scenes img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: var(--bg-elev);
}
.service-scenes figcaption {
  padding: 1rem;
  min-height: 7.2rem;
}
.service-scenes figcaption strong {
  display: block;
  font-size: 0.98rem;
  font-weight: 600;
}
.service-scenes figcaption span {
  display: block;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
  margin-top: 0.25rem;
}
.service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.service-card {
  background: var(--bg);
  padding: 1.4rem 1.25rem;
  min-height: 12rem;
  display: flex;
  flex-direction: column;
}
.service-card h3 {
  font-size: 1.05rem;
  line-height: 1.25;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.service-card p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
  margin-bottom: 0.9rem;
}
.service-card .stack { margin-top: auto; }
.service-menu-groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.service-menu-groups article {
  background: var(--bg);
  padding: 1.2rem 1.15rem;
}
.service-menu-groups h3 {
  font-size: 0.98rem;
  line-height: 1.25;
  font-weight: 600;
  margin-bottom: 0.45rem;
}
.service-menu-groups p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 0;
}
.service-flow { list-style: none; counter-reset: flow; }
.service-flow li {
  counter-increment: flow;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}
.service-flow li::before {
  content: counter(flow, decimal-leading-zero);
  font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace;
  color: var(--accent);
  font-size: 0.85rem;
}
.service-flow strong { display: block; font-weight: 600; }
.service-flow span { color: var(--muted); font-size: 0.93rem; display: block; margin-top: 0.2rem; }

/* pSEO service pages */
.pseo-hero { margin-bottom: 4rem; }
.pseo-hero h1 { max-width: 16ch; }
.pseo-fit {
  border: 1px solid var(--line);
  background: var(--bg-elev);
  padding: 1.25rem;
  max-width: 62ch;
}
.pseo-fit .k {
  font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--warm);
  margin-bottom: 0.65rem;
}
.pseo-fit p {
  color: var(--muted);
  font-size: 0.95rem;
}
.pseo-fit strong { color: var(--fg); font-weight: 500; }
.pseo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.pseo-card {
  background: var(--bg);
  padding: 1.25rem;
  min-height: 13rem;
}
.pseo-card h3 {
  font-size: 1rem;
  line-height: 1.25;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.pseo-card p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
  margin-bottom: 0;
}
.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}
.related-links a {
  font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace;
  font-size: 0.78rem;
  color: var(--muted);
  border: 1px solid var(--line);
  background: var(--bg-elev);
  padding: 0.45rem 0.65rem;
}
.related-links a:hover {
  color: var(--fg);
  border-color: var(--warm-dim);
  text-decoration: none;
}
.faq-list {
  border-top: 1px solid var(--line);
}
.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}
.faq-list summary {
  cursor: pointer;
  font-weight: 600;
}
.faq-list summary::marker { color: var(--warm); }
.faq-list p {
  color: var(--muted);
  font-size: 0.94rem;
  margin-top: 0.7rem;
}

/* Cases index */
ul.cases { list-style: none; border-top: 1px solid var(--line); }
ul.cases li { padding: 1.75rem 0; border-bottom: 1px solid var(--line); }
ul.cases li a { display: block; color: var(--fg); }
ul.cases li a:hover { text-decoration: none; }
ul.cases li a:hover .case-title { color: var(--warm); }
ul.cases li a:hover .case-cat { color: var(--accent); }
ul.cases .case-cat { font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--warm); margin-bottom: 0.5rem; transition: color 0.15s ease; }
ul.cases .case-title { font-family: 'Instrument Serif', 'Iowan Old Style', Georgia, serif; font-size: 1.7rem; font-weight: 400; letter-spacing: -0.01em; line-height: 1.15; margin-bottom: 0.5rem; transition: color 0.15s ease; }
ul.cases .case-blurb { color: var(--muted); font-size: 0.97rem; max-width: 60ch; line-height: 1.55; }
ul.cases .case-meta { font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace; font-size: 0.75rem; color: var(--muted); margin-top: 0.6rem; }
ul.cases .case-meta .date { color: var(--accent-dim); margin-right: 0.5rem; }

/* Engagement timeline */
.timeline { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 1.75rem 0; margin-bottom: 3rem; }
.timeline ol { list-style: none; display: flex; flex-direction: column; gap: 0.85rem; }
.timeline li { display: grid; grid-template-columns: 5.5rem 1fr; gap: 1.25rem; align-items: baseline; }
.timeline .yr { font-family: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace; font-size: 0.85rem; color: var(--accent); letter-spacing: 0.06em; }
.timeline .ev { color: var(--fg); font-size: 0.98rem; line-height: 1.5; }
.timeline .ev .det { color: var(--muted); display: block; font-size: 0.88rem; margin-top: 0.15rem; }

@media (max-width: 640px) {
  .wrap { padding: 3rem 1.25rem 3rem; }
  .topnav { margin-bottom: 3rem; flex-wrap: wrap; gap: 0.5rem; }
  .topnav .links a { margin-left: 0; margin-right: 0.85rem; }
  .stats { grid-template-columns: 1fr; gap: 1.75rem; }
  .stat .num { font-size: 2.4rem; }
  .service-intro { grid-template-columns: 1fr; gap: 1.25rem; margin-bottom: 3rem; }
  .service-scenes { grid-template-columns: 1fr; }
  .service-scenes figcaption { min-height: auto; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; }
  .service-menu-groups { grid-template-columns: 1fr; }
  .pseo-grid { grid-template-columns: 1fr; }
  .pseo-card { min-height: auto; }
  .placemat { grid-template-columns: 1fr; }
  .result { grid-template-columns: 1fr; }
  table.mat th { width: auto; display: block; padding-bottom: 0; border-bottom: 0; }
  table.mat td { display: block; padding-top: 0.25rem; }
  table.mat tr { display: block; padding: 0.85rem 0; border-bottom: 1px solid var(--line); }
  .timeline li { grid-template-columns: 1fr; gap: 0.25rem; }
}