/* Patchwork Software Studio: shared styles */
:root {
  --steel: #EEF1F4;
  --paper: #FFFFFF;
  --ink: #14213D;
  --muted: #5B6577;
  --line: #D3D9E1;
  --add: #2E7D4F;
  --add-bg: #DDF2E3;
  --del: #B3261E;
  --del-bg: #FBE3E1;
  --gutter: #8A94A6;
  --display: "Bricolage Grotesque", system-ui, sans-serif;
  --body: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --steel: #10172A; --paper: #182238; --ink: #E6EBF2; --muted: #9AA6BA;
    --line: #2A3650; --add: #6BD49A; --add-bg: #173A2A; --del: #F28B82; --del-bg: #45201F; --gutter: #6C7891;
  }
}
:root[data-theme="dark"] {
  --steel: #10172A; --paper: #182238; --ink: #E6EBF2; --muted: #9AA6BA;
  --line: #2A3650; --add: #6BD49A; --add-bg: #173A2A; --del: #F28B82; --del-bg: #45201F; --gutter: #6C7891;
}

* { box-sizing: border-box; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  background: var(--steel);
  color: var(--ink);
  font: 400 17px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}
a { color: inherit; }
img, svg { max-width: 100%; }
:focus-visible { outline: 3px solid var(--add); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

.skip {
  position: absolute; left: -999px; top: 8px; z-index: 10;
  background: var(--ink); color: var(--steel); padding: 10px 16px; border-radius: 6px; font-weight: 600;
}
.skip:focus { left: 16px; }

/* Header */
header.site {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
  gap: 12px 24px;
  padding-top: 24px; padding-bottom: 24px;
}
.logo { font: 800 22px/1 var(--display); text-decoration: none; letter-spacing: -0.02em; }
.logo span { color: var(--add); }
nav.main { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 24px; font-size: 15px; }
nav.main a { text-decoration: none; color: var(--muted); }
nav.main a:hover { color: var(--ink); }
nav.main a[aria-current="page"] {
  color: var(--ink); font-weight: 600;
  text-decoration: underline; text-decoration-color: var(--add);
  text-decoration-thickness: 2px; text-underline-offset: 6px;
}
@media (max-width: 640px) { nav.main { width: 100%; gap: 6px 18px; } }
.nav-cta { color: var(--ink) !important; font-weight: 600; border-bottom: 2px solid var(--add); }
.nav-cta[aria-current="page"] { text-decoration: none !important; }

/* Hero: the headline is a diff */
.hero { padding: 48px 0 88px; }
.diff {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.diff-head {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  font: 400 13px/1.4 var(--mono);
  color: var(--muted);
}
.diff-row {
  display: grid;
  grid-template-columns: 44px 28px 1fr;
  align-items: baseline;
}
.diff-row .ln, .diff-row .sign {
  font: 400 14px/1 var(--mono);
  color: var(--gutter);
  text-align: right;
  padding-right: 10px;
  user-select: none;
}
.diff-row .sign { text-align: center; padding: 0; font-weight: 600; }
.diff-row h1, .diff-row p.line {
  margin: 0;
  padding: 6px 16px 10px 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(34px, 7.4vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.row-del { background: var(--del-bg); }
.row-del .sign { color: var(--del); }
.row-del p.line { color: var(--del); text-decoration: line-through; text-decoration-thickness: 0.06em; opacity: 0.85; }
.row-add { background: var(--add-bg); }
.row-add .sign { color: var(--add); }
.row-ctx p.line { font-size: clamp(18px, 2.2vw, 24px); font-family: var(--body); font-weight: 400; letter-spacing: 0; line-height: 1.5; color: var(--muted); max-width: 46ch; padding-top: 14px; padding-bottom: 18px; }
@media (max-width: 520px) { .diff-row { grid-template-columns: 0 22px 1fr; } .diff-row .ln { visibility: hidden; } }

/* One orchestrated moment: the old line is struck, then the new one is typed in */
@media (prefers-reduced-motion: no-preference) {
  .hero .row-del p.line { animation: strike 0.6s 0.5s both ease-out; }
  .hero .row-del { animation: tint-del 0.4s 0.3s both; }
  .hero .row-add { animation: tint-add 0.4s 1.2s both; }
  .hero .row-add h1 { animation: reveal 0.9s 1.3s both steps(28, end); }
  @keyframes strike { from { text-decoration-color: transparent; opacity: 1; color: var(--ink); } }
  @keyframes tint-del { from { background: transparent; } }
  @keyframes tint-add { from { background: transparent; } }
  @keyframes reveal { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: center; margin-top: 32px; }
.btn {
  display: inline-block;
  background: var(--ink); color: var(--steel);
  font: 600 16px/1 var(--body);
  padding: 16px 24px; border-radius: 6px;
  text-decoration: none; border: 0; cursor: pointer;
}
.btn:hover { background: var(--add); color: #fff; }
.btn-quiet { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 2px var(--ink); }
.btn-quiet:hover { background: var(--ink); color: var(--steel); }
.hero-note { color: var(--muted); font-size: 15px; }

/* Sections */
section.block { padding: 88px 0; border-top: 1px solid var(--line); }
h2 {
  font: 800 clamp(30px, 4.4vw, 48px)/1.08 var(--display);
  letter-spacing: -0.03em;
  margin: 0 0 16px;
  max-width: 18ch;
}
.lede { color: var(--muted); max-width: 58ch; margin: 0 0 48px; font-size: 18px; }
.more { display: inline-block; margin-top: 14px; font-weight: 600; font-size: 15px; text-decoration-color: var(--add); text-decoration-thickness: 2px; text-underline-offset: 4px; }
.more:hover { color: var(--add); }
.section-foot { margin-top: 40px; }

/* Services: plain two-column list, no cards */
.services { display: grid; grid-template-columns: 1fr; gap: 0; }
@media (min-width: 760px) { .services { grid-template-columns: 1fr 1fr; column-gap: 64px; } }
.service { padding: 28px 0; border-top: 1px solid var(--line); }
.service h3 { font: 600 22px/1.25 var(--display); margin: 0 0 8px; letter-spacing: -0.01em; }
.service p { margin: 0; color: var(--muted); max-width: 46ch; }
.service .stack, .stack { margin-top: 12px; font: 400 13px/1.6 var(--mono); color: var(--gutter); }

/* Process: a real sequence, so it gets numbers */
.process { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.process li {
  counter-increment: step;
  display: grid; grid-template-columns: 72px 1fr; gap: 8px 24px;
  padding: 28px 0; border-top: 1px solid var(--line);
}
@media (min-width: 860px) { .process li { grid-template-columns: 96px 260px 1fr; align-items: baseline; } }
.process li::before {
  content: "v0." counter(step);
  font: 600 15px/1.4 var(--mono); color: var(--add);
}
.process h3 { font: 600 22px/1.25 var(--display); margin: 0; }
.process p { margin: 0; color: var(--muted); max-width: 52ch; grid-column: 2; }
@media (min-width: 860px) { .process p { grid-column: 3; } }
.process .dur { display: block; font-size: 14px; color: var(--gutter); font-family: var(--body); font-weight: 400; margin-top: 4px; }

/* Work */
.work, .work-grid { display: grid; gap: 24px; }
@media (min-width: 900px) { .work { grid-template-columns: 1.3fr 1fr; } .work article:first-child { grid-row: span 2; } }
@media (min-width: 760px) { .work-grid { grid-template-columns: 1fr 1fr; } }
.work article, .work-grid article {
  background: var(--paper); border: 1px solid var(--line); border-radius: 10px;
  padding: 28px; display: flex; flex-direction: column;
}
.client { color: var(--muted); font-size: 15px; margin: 0 0 8px; }
.work h3, .work-grid h3 { font: 700 26px/1.15 var(--display); letter-spacing: -0.02em; margin: 0 0 12px; }
.work h3 a, .work-grid h3 a { text-decoration-color: var(--add); text-decoration-thickness: 2px; text-underline-offset: 5px; }
.work h3 a:hover, .work-grid h3 a:hover { color: var(--add); }
.work article:first-child h3 { font-size: clamp(28px, 3.4vw, 40px); }
.work p, .work-grid p { margin: 0 0 20px; color: var(--muted); }
.work .result, .work-grid .result { margin-top: auto; }
.result { display: flex; gap: 12px; align-items: baseline; padding-top: 16px; border-top: 1px dashed var(--line); }
.result strong { font: 800 34px/1 var(--display); color: var(--add); letter-spacing: -0.02em; white-space: nowrap; }
.result span { color: var(--muted); font-size: 15px; }
.tags { margin: 0 0 20px; font: 400 13px/1.6 var(--mono); color: var(--gutter); }

/* Principles: short prose */
.principles { display: grid; gap: 40px; }
@media (min-width: 860px) { .principles { grid-template-columns: repeat(3, 1fr); } }
.principles h3 { font: 600 20px/1.3 var(--display); margin: 0 0 8px; }
.principles p { margin: 0; color: var(--muted); }

/* Contact block (dark) */
.contact { background: var(--ink); color: var(--steel); border-radius: 14px; padding: 56px 28px; margin: 88px 0; }
@media (min-width: 760px) { .contact { padding: 72px 64px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: end; } }
.contact.contact-top { align-items: start; margin-top: 0; }
.contact h2 { color: var(--steel); }
.contact p { color: color-mix(in srgb, var(--steel) 72%, var(--ink)); margin: 0 0 24px; max-width: 44ch; }
.contact form { display: grid; gap: 12px; }
.contact label { font-size: 14px; color: color-mix(in srgb, var(--steel) 72%, var(--ink)); }
.contact input, .contact textarea, .contact select {
  width: 100%; font: 400 16px/1.4 var(--body);
  padding: 12px 14px; border-radius: 6px;
  border: 1px solid color-mix(in srgb, var(--steel) 30%, var(--ink));
  background: color-mix(in srgb, var(--steel) 8%, var(--ink)); color: var(--steel);
}
.contact [aria-invalid="true"] { border-color: var(--del); box-shadow: 0 0 0 1px var(--del); }
.contact :focus-visible { outline-color: var(--add); }
.contact textarea { min-height: 96px; resize: vertical; }
.contact .btn { background: var(--add); color: #fff; border: 0; cursor: pointer; justify-self: start; }
.contact .btn:hover { background: var(--steel); color: var(--ink); }
.contact .fine { font-size: 14px; margin: 4px 0 0; }
.form-status { min-height: 1.4em; font-size: 15px; margin: 0; }
.form-row { display: grid; gap: 12px; }
@media (min-width: 520px) { .form-row { grid-template-columns: 1fr 1fr; } .form-row > div { display: grid; gap: 12px; align-content: start; } }

/* Inner page head */
.page-head { padding: 40px 0 72px; }
.crumbs { font: 400 14px/1.5 var(--mono); color: var(--gutter); margin: 0 0 20px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--add); }
.page-head h1 {
  font: 800 clamp(40px, 7vw, 84px)/1.02 var(--display);
  letter-spacing: -0.035em; margin: 0 0 24px; max-width: 16ch;
}
.page-head .lede { margin-bottom: 0; font-size: clamp(18px, 2vw, 21px); }

/* Prose */
.prose { max-width: 68ch; }
.prose p, .prose ul, .prose ol { margin: 0 0 1.1em; }
.prose li { margin-bottom: 0.4em; }
.prose h2 { margin-top: 56px; font-size: clamp(26px, 3.4vw, 36px); max-width: 24ch; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font: 600 21px/1.3 var(--display); margin: 32px 0 8px; }
.split { display: grid; gap: 32px 64px; }
@media (min-width: 860px) { .split { grid-template-columns: 1fr 1.5fr; } }
.split > div > h2 { position: sticky; top: 24px; }

/* Service detail */
.svc { display: grid; gap: 24px 64px; padding: 72px 0; border-top: 1px solid var(--line); scroll-margin-top: 16px; }
@media (min-width: 860px) { .svc { grid-template-columns: 1fr 1.25fr; } }
.svc h2 { margin-bottom: 12px; }
.svc .intro { color: var(--muted); max-width: 46ch; margin: 0; }
.svc h3 { font: 600 18px/1.3 var(--display); margin: 0 0 8px; }
.ticks { list-style: none; padding: 0; margin: 0 0 32px; }
.ticks li { padding: 10px 0 10px 28px; border-top: 1px dashed var(--line); position: relative; }
.ticks li::before { content: "+"; position: absolute; left: 4px; color: var(--add); font: 600 16px/1.6 var(--mono); }
.spec { display: grid; grid-template-columns: max-content 1fr; gap: 8px 20px; margin: 0; font-size: 15px; }
.spec dt { font: 400 13px/1.8 var(--mono); color: var(--gutter); }
.spec dd { margin: 0; }

/* Pricing panels */
.pricing { display: grid; gap: 24px; }
@media (min-width: 860px) { .pricing { grid-template-columns: repeat(3, 1fr); } }
.panel { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 28px; }
.panel h3 { font: 600 20px/1.3 var(--display); margin: 0 0 6px; }
.panel .price { font: 800 36px/1.1 var(--display); letter-spacing: -0.02em; margin: 12px 0 4px; }
.panel .price small { font: 400 15px/1 var(--body); color: var(--muted); letter-spacing: 0; }
.panel p { color: var(--muted); margin: 0 0 12px; }
.panel ul { margin: 0; padding-left: 20px; color: var(--muted); }

/* FAQ */
.faq { border-bottom: 1px solid var(--line); max-width: 820px; }
.faq details { border-top: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 20px 0; font: 600 19px/1.35 var(--display); list-style: none; display: flex; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "+"; font-family: var(--mono); color: var(--add); width: 1ch; flex: none; }
.faq details[open] summary::before { content: "\2212"; color: var(--del); }
.faq details p { margin: 0 0 20px 32px; color: var(--muted); max-width: 64ch; }

/* Case study */
.case-meta { display: grid; gap: 20px 32px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 40px 0 0; padding: 24px 0 0; border-top: 1px solid var(--line); }
@media (min-width: 860px) { .case-meta { grid-template-columns: repeat(4, 1fr); } }
.case-meta dt { font: 400 13px/1.6 var(--mono); color: var(--gutter); }
.case-meta dd { margin: 4px 0 0; font-size: 16px; }
.stats { display: grid; gap: 24px; grid-template-columns: 1fr; margin: 0; }
@media (min-width: 560px) { .stats { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stats div { border-top: 2px solid var(--add); padding-top: 16px; }
.stats dt { font: 800 clamp(34px, 4vw, 44px)/1 var(--display); color: var(--add); letter-spacing: -0.02em; }
.stats dd { margin: 8px 0 0; color: var(--muted); font-size: 15px; }
.codeblock { margin: 32px 0; }
.codeblock .diff-row { grid-template-columns: 44px 28px 1fr; }
.codeblock code { font: 400 14px/1.6 var(--mono); padding: 6px 16px 6px 0; white-space: pre-wrap; overflow-wrap: anywhere; display: block; }
.codeblock figcaption { color: var(--muted); font-size: 15px; margin-top: 10px; }
@media (max-width: 520px) { .codeblock .diff-row { grid-template-columns: 0 22px 1fr; } }
blockquote.quote { margin: 0; padding: 32px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
blockquote.quote p { font: 600 clamp(22px, 3vw, 32px)/1.3 var(--display); letter-spacing: -0.015em; margin: 0 0 16px; max-width: 34ch; }
blockquote.quote footer, .quote-by { color: var(--muted); font-size: 15px; }
.next-case { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: center; }

/* Team */
.team { display: grid; gap: 40px 32px; }
@media (min-width: 640px) { .team { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .team { grid-template-columns: repeat(3, 1fr); } }
.person { border-top: 1px solid var(--line); padding-top: 20px; }
.avatar {
  width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center;
  background: var(--add-bg); color: var(--add); font: 600 18px/1 var(--mono); margin-bottom: 16px;
}
.person:nth-child(3n+2) .avatar { background: var(--paper); color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
.person:nth-child(3n) .avatar { background: var(--ink); color: var(--steel); }
.person h3 { font: 600 21px/1.25 var(--display); margin: 0; }
.person .role-title { color: var(--muted); margin: 2px 0 12px; font-size: 15px; }
.person p { margin: 0; }
.person .since { margin-top: 10px; font: 400 13px/1.6 var(--mono); color: var(--gutter); }

.figures { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin: 0; }
@media (min-width: 860px) { .figures { grid-template-columns: repeat(4, 1fr); } }
.figures div { border-top: 1px solid var(--line); padding-top: 16px; }
.figures dt { font: 800 40px/1 var(--display); letter-spacing: -0.02em; }
.figures dd { margin: 8px 0 0; color: var(--muted); font-size: 15px; }

/* Careers */
.perks { display: grid; gap: 0 64px; }
@media (min-width: 760px) { .perks { grid-template-columns: 1fr 1fr; } }
.role { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 28px; margin-bottom: 24px; scroll-margin-top: 16px; }
@media (min-width: 760px) { .role { padding: 40px 48px; } }
.role h3 { font: 800 clamp(26px, 3.2vw, 34px)/1.1 var(--display); letter-spacing: -0.02em; margin: 0 0 16px; }
.role h4 { font: 600 18px/1.3 var(--display); margin: 28px 0 8px; }
.role p, .role ul { max-width: 68ch; }
.role ul { padding-left: 20px; margin: 0; }
.role li { margin-bottom: 6px; }
.role .spec { margin-bottom: 8px; }
.role .apply { margin-top: 28px; padding-top: 20px; border-top: 1px dashed var(--line); }

/* Contact page details and map */
.contact-details { display: grid; gap: 40px; }
@media (min-width: 860px) { .contact-details { grid-template-columns: 1fr 1.4fr; gap: 64px; } }
.contact-details h3 { font: 600 18px/1.3 var(--display); margin: 0 0 6px; }
.contact-details address, .contact-details p { font-style: normal; margin: 0 0 24px; }
.hours { width: 100%; border-collapse: collapse; margin: 0 0 24px; font-size: 16px; }
.hours th, .hours td { text-align: left; padding: 8px 0; border-top: 1px solid var(--line); font-weight: 400; }
.hours td { text-align: right; font-variant-numeric: tabular-nums; }
.map { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin: 0; }
.map svg { display: block; width: 100%; height: auto; }
.map figcaption { padding: 12px 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 15px; }
.map .m-bg { fill: var(--paper); }
.map .m-block { fill: var(--steel); }
.map .m-road { stroke: var(--line); fill: none; stroke-linecap: round; }
.map .m-main { stroke: var(--gutter); fill: none; stroke-linecap: round; opacity: .55; }
.map .m-rail { stroke: var(--muted); fill: none; stroke-dasharray: 10 6; }
.map .m-water { fill: none; stroke: #9CC3E0; stroke-linecap: round; }
.map .m-park { fill: var(--add-bg); }
.map .m-label { fill: var(--muted); font: 400 13px var(--mono); }
.map .m-pin { fill: var(--add); }
.map .m-pin-ring { fill: none; stroke: var(--add); opacity: .35; }
.map .m-pin-label { fill: var(--ink); font: 600 15px var(--body); }
.map .m-station { fill: var(--ink); }

/* Legal */
.legal .prose h2 { font-size: clamp(24px, 3vw, 30px); }
.toc { font-size: 15px; padding-left: 20px; columns: 2 220px; margin: 0; }
.toc li { margin-bottom: 6px; }

/* Footer */
footer.site-foot { border-top: 1px solid var(--line); padding: 56px 0 40px; color: var(--muted); font-size: 15px; }
.foot-grid { display: grid; gap: 32px 24px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 900px) { .foot-grid { grid-template-columns: 1.5fr repeat(4, 1fr); } }
.foot-brand { grid-column: 1 / -1; }
@media (min-width: 900px) { .foot-brand { grid-column: auto; } }
.foot-brand p { margin: 12px 0 0; max-width: 32ch; }
.foot-h { font: 600 15px/1.3 var(--display); color: var(--ink); margin: 0 0 12px; letter-spacing: 0; max-width: none; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; }
.foot-grid li { margin-bottom: 8px; }
.foot-grid a { text-decoration: none; }
.foot-grid a:hover { color: var(--ink); text-decoration: underline; }
.foot-grid address { font-style: normal; }
.foot-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 14px; }
.foot-base a { color: var(--muted); }

/* 404 */
.notfound { padding: 48px 0 104px; }
.notfound .diff { max-width: 860px; }