:root {
  --surround: #e2e2e2;
  --canvas: #ffffff;
  --ink: #111111;
  --muted: #5a5a5a;
  --line: #111111;
  --yellow: #f6d32a;
  --blue: #168ef6;
  --green: #60ae53;
  --orange: #f07a1a;
  --red: #e30613;
  --brand: #007dfe;
  --cmyk-c: #00aeef;
  --cmyk-m: #ec008c;
  --cmyk-y: #fff200;
  --cmyk-k: #111111;
  --max: 1080px;
  --pad: 28px;
  --radius-pill: 999px;
  --radius-btn: 10px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--surround);
  color: var(--ink);
  font-family: "IBM Plex Sans", Helvetica, Arial, sans-serif;
  font-size: 1.015rem;
  line-height: 1.5;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #002dce;
}

:focus-visible {
  outline: 2px solid #111;
  outline-offset: 2px;
}

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--yellow);
  border: 1px solid #111;
  padding: 6px 10px;
  z-index: 20;
}

.skip:focus {
  top: 12px;
}

.page {
  min-height: 100vh;
  padding: 22px 12px 36px;
}

.doc {
  max-width: var(--max);
  margin: 0 auto;
  background: var(--canvas);
  border: 1px solid #111;
  padding: 18px var(--pad) 22px;
}

.kicker-top {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #666;
}

.cmyk {
  display: inline-flex;
  gap: 3px;
}

.cmyk i {
  display: block;
  width: 10px;
  height: 10px;
  border: 1px solid #111;
}

.cmyk .c { background: var(--cmyk-c); }
.cmyk .m { background: var(--cmyk-m); }
.cmyk .y { background: var(--cmyk-y); }
.cmyk .k { background: var(--cmyk-k); }

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid #111;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  flex: 0 0 auto;
}

.brand:hover { color: inherit; }

.brand img,
.brand svg {
  width: 42px;
  height: 32px;
}

.wordmark {
  font-family: "Barlow Condensed", "Arial Narrow", sans-serif;
  font-weight: 800;
  font-size: 1.85rem;
  letter-spacing: 0.04em;
  line-height: 1;
}

.nav-toggle {
  display: none;
  background: #fff;
  border: 1px solid #111;
  border-radius: var(--radius-btn);
  padding: 8px 12px;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav ul {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.pill {
  display: inline-block;
  border: 1px solid #111;
  border-radius: var(--radius-pill);
  padding: 7px 16px;
  text-decoration: none;
  font-size: 0.92rem;
  background: #fff;
  line-height: 1.2;
}

.pill:hover {
  background: #f3f3f3;
  color: inherit;
}

.pill.is-active {
  background: #111;
  color: #fff;
}

.pill.is-active:hover { color: #fff; }

.btn-yellow,
.btn-green {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid #111;
  border-radius: var(--radius-btn);
  padding: 9px 16px;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
  line-height: 1.2;
  color: #111;
}

.btn-yellow { background: var(--yellow); }
.btn-green { background: var(--green); color: #fff; }
.btn-yellow:hover,
.btn-green:hover { color: #111; filter: brightness(0.97); }
.btn-green:hover { color: #fff; }

.crumb {
  margin: 10px 0 0;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  color: #666;
  letter-spacing: 0.02em;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.18fr);
  gap: 18px 22px;
  padding: 22px 0 8px;
}

.kicker {
  margin: 0 0 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
.h1 {
  font-family: "Barlow Condensed", "Arial Narrow", sans-serif;
  font-weight: 800;
  font-size: clamp(2.6rem, 6.2vw, 4.35rem);
  line-height: 0.9;
  letter-spacing: -0.015em;
  margin: 0 0 16px;
}

h2,
.h2 {
  font-family: "Barlow Condensed", "Arial Narrow", sans-serif;
  font-weight: 800;
  font-size: clamp(1.7rem, 3vw, 2.15rem);
  line-height: 1.05;
  margin: 0 0 8px;
}

h3,
.h3 {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 1.02rem;
  font-weight: 700;
  margin: 0 0 6px;
}

.lede {
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 12px;
}

.sublede {
  margin: 0 0 18px;
  color: #222;
  max-width: 36ch;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 22px 0 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #444;
}

.meta-row span {
  border-left: 1px solid #ccc;
  padding-left: 12px;
}
.meta-row span:first-child {
  border-left: 0;
  padding-left: 0;
}

.figure {
  margin: 0;
}

.figure img {
  width: 100%;
  border: 1px solid #d7d7d7;
  background: #fafafa;
}

.figcap {
  margin: 6px 0 0;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #666;
  text-align: right;
}

.rule,
.rule-dot {
  border: 0;
  border-top: 1px dotted #111;
  margin: 18px 0;
}

.rule-solid {
  border: 0;
  border-top: 1px solid #111;
  margin: 16px 0;
}

.method {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px 24px;
  padding: 4px 0 8px;
}

.method h2 {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.55rem;
  margin-bottom: 4px;
}

.method p {
  margin: 0 0 10px;
  color: #333;
}

.method .num {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 800;
}

.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.panel {
  border: 1px solid #111;
  padding: 16px 16px 14px;
}

.panel .split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 12px;
  align-items: center;
}

.steps {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  border-top: 1px solid #111;
}

.steps li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid #111;
}

.steps li:last-child { border-bottom: 0; }

.steps .n {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
}

.stack-img {
  max-width: 210px;
  margin-left: auto;
}

.bullets {
  margin: 10px 0 14px;
  padding-left: 1.1rem;
}

.bullets li { margin: 0.2rem 0; }

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 8px 20px;
  align-items: end;
  padding: 6px 0 10px;
}

.stat strong {
  display: block;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 800;
  font-size: clamp(3rem, 7vw, 4.6rem);
  line-height: 0.85;
  letter-spacing: -0.03em;
}

.stat p {
  margin: 8px 0 0;
  max-width: 22ch;
}

.disclaimer {
  border-left: 1px solid #ccc;
  padding: 4px 0 4px 14px;
  font-size: 0.85rem;
  color: #555;
  max-width: 22ch;
}

.cta-band {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px 24px;
  align-items: center;
  padding: 6px 0 4px;
}

.cta-band h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
}

.cta-band p { margin: 0; color: #333; }

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 4px;
  font-size: 0.82rem;
  color: #444;
}

.site-footer a { color: inherit; }

.footer-end {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.tagline {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  width: 100%;
  margin-top: 4px;
  padding-top: 8px;
  border-top: 1px dotted #111;
  font-size: 0.78rem;
}

.prose p { margin: 0 0 0.9rem; }
.prose ul, .prose ol { margin: 0 0 1rem; padding-left: 1.2rem; }
.prose li { margin: 0.25rem 0; }

.quote {
  margin: 0 0 12px;
  padding: 4px 0 4px 12px;
  border-left: 3px solid #111;
  font-size: 1.05rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.card {
  border: 1px solid #111;
  padding: 10px;
}

.card h3 { margin-top: 8px; }
.card p { margin: 0; font-size: 0.92rem; }
.card-wide { margin-top: 12px; max-width: 50%; }

.table-wrap {
  overflow-x: auto;
  margin: 0 0 16px;
  border: 1px solid #111;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th, td {
  border: 1px solid #111;
  padding: 8px 10px;
  vertical-align: top;
  text-align: left;
}

th {
  background: #f4f4f4;
  font-weight: 700;
}

td.num, th.num { text-align: right; font-family: "IBM Plex Mono", ui-monospace, monospace; }

.sku {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.78rem;
}

.case {
  border: 1px solid #111;
  padding: 16px;
  margin: 0 0 16px;
}

.case header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 8px;
}

.badge {
  display: inline-block;
  background: #00794c;
  color: #fff;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  padding: 3px 6px;
}

.form {
  display: grid;
  gap: 12px;
  max-width: 640px;
}

label, .label {
  display: block;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  border: 1px solid #111;
  border-radius: 0;
  padding: 9px 10px;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 1rem;
  background: #fff;
}

textarea { min-height: 140px; resize: vertical; }

.hp {
  position: absolute;
  left: -9999px;
  height: 0;
  overflow: hidden;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.form-error {
  color: #9b1c1c;
  font-size: 0.9rem;
  display: none;
}

.form-error.is-on { display: block; }

.fallback {
  font-size: 0.9rem;
  color: #444;
}

details {
  border: 1px solid #111;
  padding: 8px 12px;
  margin: 0 0 8px;
}

summary {
  cursor: pointer;
  font-weight: 700;
}

details p { margin: 8px 0 4px; }

.contact-box {
  border: 1px solid #111;
  padding: 12px 14px;
  margin: 0 0 16px;
}

.contact-box p { margin: 0.3rem 0; }

.svg-schematic {
  width: 100%;
  height: auto;
  border: 1px solid #d7d7d7;
  background: #fff;
}

.banner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  border: 1px solid #111;
  background: #fffbe8;
  padding: 10px 12px;
  margin: 0 0 16px;
}

.notfound {
  padding: 24px 0 40px;
}

@media (max-width: 900px) {
  .hero,
  .two,
  .panel .split,
  .cta-band,
  .stats,
  .grid-4,
  .grid-2,
  .method {
    grid-template-columns: 1fr;
  }

  .stats { gap: 18px; }
  .disclaimer { border-left: 0; padding-left: 0; max-width: none; }
  .cta-band { justify-items: start; }
  .stack-img { margin: 8px auto 0; }
}

@media (max-width: 720px) {
  .page { padding: 0; }
  .doc { border-left: 0; border-right: 0; padding: 14px 14px 20px; }
  .header-row { align-items: flex-start; flex-wrap: wrap; }
  .nav-toggle { display: inline-block; margin-left: auto; }
  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
  .site-nav.is-open { display: flex; }
  .site-nav ul {
    flex-direction: column;
    width: 100%;
  }
  .pill, .site-nav .btn-yellow {
    width: 100%;
    text-align: center;
    justify-content: center;
    border-radius: 8px;
  }
  h1 { font-size: 2.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

@media print {
  body { background: #fff; }
  .page { padding: 0; }
  .doc { border: 0; max-width: none; }
  .site-nav, .nav-toggle, .btn-yellow, .btn-green, .skip { display: none !important; }
  a { text-decoration: none; }
}