/* Compact Attach — shop-manual stylesheet. System fonts only. */

:root {
  --steel-950: #0d0f11;
  --steel-900: #121417;
  --steel-800: #1b1f24;
  --steel-700: #2a3036;
  --steel-600: #3c444c;
  --steel-400: #6b7380;
  --steel-300: #9aa1aa;
  --steel-200: #c5c8ce;
  --paper: #f3efe6;
  --paper-2: #e7e0d0;
  --paper-3: #fffdf8;
  --ink: #16181c;
  --ink-muted: #4a4f57;
  --amber: #d69a12;
  --amber-2: #f0b429;
  --amber-dark: #8a6208;
  --danger: #8b2e2e;
  --ok: #2a5c34;
  --line: #c9c2b3;
  --max: 70rem;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Segoe UI Mono", Menlo, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  font-size: 1.05rem;
}

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

a {
  color: var(--amber-dark);
}

a:hover {
  color: var(--ink);
}

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

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -4rem;
  z-index: 1000;
  padding: 0.5rem 0.85rem;
  background: var(--amber);
  color: var(--steel-900);
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  top: 0.75rem;
}

.caution-bar {
  height: 7px;
  background: repeating-linear-gradient(
    -45deg,
    var(--steel-950) 0 10px,
    var(--amber) 10px 20px
  );
}

.site-header {
  background: var(--steel-800);
  color: var(--paper);
}

.header-inner,
.nav-inner,
.wrap,
.footer-inner {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border: 2px solid var(--amber);
  color: var(--amber);
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

.brand-tag {
  color: var(--steel-300);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--steel-600);
  padding: 0.45rem 0.7rem;
  font: inherit;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.site-nav {
  border-top: 1px solid var(--steel-700);
  background: var(--steel-900);
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0.65rem 0 0.8rem;
}

.nav-list a {
  color: var(--paper-2);
  text-decoration: none;
  font-size: 0.92rem;
}

.nav-list a:hover,
.nav-list a[aria-current="page"] {
  color: var(--amber-2);
}

.nav-list a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

@media (max-width: 52rem) {
  .site-nav[data-open="false"] {
    display: none;
  }
}

@media (min-width: 52.01rem) {
  .nav-toggle {
    display: none;
  }

  .site-nav[data-open="false"] {
    display: block;
  }
}

.wrap {
  padding: 1.6rem 0 3rem;
}

.kicker {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-dark);
  margin: 0 0 0.4rem;
}

h1,
h2,
h3 {
  line-height: 1.2;
  font-weight: 700;
}

h1 {
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.35rem;
  margin: 2rem 0 0.6rem;
  padding-top: 0.4rem;
  border-top: 1px solid var(--line);
}

h3 {
  font-size: 1.08rem;
  margin: 1.4rem 0 0.4rem;
}

p,
li {
  max-width: 62ch;
}

.lede {
  font-size: 1.15rem;
  max-width: 50ch;
}

.hero {
  background: var(--steel-800);
  color: var(--paper);
  padding: 1.8rem 0 2.2rem;
}

.hero .wrap {
  padding-top: 0.4rem;
  padding-bottom: 0.2rem;
}

.hero .kicker {
  color: var(--amber-2);
}

.hero p {
  color: var(--steel-200);
}

.hero a {
  color: var(--amber-2);
}

.machine-toggle {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1.1rem 0 1.2rem;
}

.machine-toggle button {
  font: inherit;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--steel-600);
  background: var(--steel-700);
  color: var(--paper);
  cursor: pointer;
}

.machine-toggle button[aria-selected="true"] {
  background: var(--amber);
  color: var(--steel-900);
  border-color: var(--amber);
  font-weight: 700;
}

.panel[hidden] {
  display: none;
}

.card-grid,
.coupler-grid,
.tool-grid {
  display: grid;
  gap: 0.9rem;
  margin: 1rem 0 0;
}

.card-grid {
  grid-template-columns: 1fr;
}

.coupler-grid,
.tool-grid {
  grid-template-columns: 1fr;
}

@media (min-width: 40rem) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .coupler-grid,
  .tool-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 60rem) {
  .coupler-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card,
.plate {
  background: var(--paper-3);
  border: 1px solid var(--line);
  padding: 1rem 1.05rem 1.1rem;
  box-shadow: 3px 3px 0 var(--paper-2);
}

.card h2,
.card h3,
.plate h2,
.plate h3 {
  border: 0;
  margin-top: 0;
  padding-top: 0;
}

.card p,
.plate p {
  margin: 0.4rem 0 0.8rem;
}

.meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.btn,
.card .btn,
.hero a.btn,
.hero a.btn:hover,
.hero a.btn:focus-visible,
a.btn:hover,
a.btn:focus-visible {
  display: inline-block;
  background: var(--amber);
  color: var(--steel-900);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--amber-dark);
}

.btn:hover,
.card .btn:hover,
.hero a.btn:hover,
a.btn:hover {
  background: var(--amber-2);
  color: var(--steel-900);
}

.btn-ghost,
.hero a.btn-ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--steel-400);
}

.btn-ghost:hover,
.hero a.btn-ghost:hover,
.hero .btn-ghost:hover {
  color: var(--steel-900);
  background: var(--paper);
  border-color: var(--paper);
}

.note,
.callout {
  border-left: 4px solid var(--amber);
  background: var(--paper-2);
  padding: 0.75rem 0.9rem;
  margin: 1rem 0;
}

.callout-warn {
  border-left-color: var(--danger);
}

.note p,
.callout p {
  margin: 0;
}

.table-wrap {
  overflow-x: auto;
  margin: 1rem 0 1.4rem;
  border: 1px solid var(--line);
  background: var(--paper-3);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  min-width: 36rem;
}

caption {
  text-align: left;
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.65rem 0.75rem;
  color: var(--ink-muted);
  caption-side: top;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
}

th,
td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

thead th {
  background: var(--steel-800);
  color: var(--paper);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

tbody th {
  font-weight: 650;
  width: 11rem;
  background: var(--paper-2);
}

td {
  font-variant-numeric: tabular-nums;
}

.price {
  font-family: var(--mono);
  font-weight: 700;
}

.was {
  color: var(--ink-muted);
  text-decoration: line-through;
  font-weight: 400;
  margin-left: 0.35rem;
}

.site-footer {
  background: var(--steel-900);
  color: var(--steel-200);
  padding: 1.6rem 0 2rem;
  font-size: 0.92rem;
}

.site-footer a {
  color: var(--amber-2);
}

.footer-disc {
  max-width: 70ch;
  margin: 0 0 0.9rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  list-style: none;
  margin: 0 0 0.8rem;
  padding: 0;
}

.owner {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--steel-400);
  margin: 0;
}

.form-grid {
  display: grid;
  gap: 0.9rem;
  max-width: 28rem;
}

label {
  display: block;
  font-weight: 650;
  font-size: 0.92rem;
}

label span {
  display: block;
  font-weight: 500;
  color: var(--ink-muted);
  font-size: 0.82rem;
}

input[type="number"] {
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.55rem 0.65rem;
  font: inherit;
  font-family: var(--mono);
  border: 1px solid var(--steel-600);
  background: var(--paper-3);
}

.results {
  margin-top: 1.2rem;
}

.meter {
  height: 0.7rem;
  background: var(--paper-2);
  border: 1px solid var(--line);
  margin: 0.35rem 0 0.9rem;
}

.meter > span {
  display: block;
  height: 100%;
  background: var(--ok);
  width: 0;
  max-width: 100%;
}

.meter.over > span {
  background: var(--danger);
}

.faq details {
  border: 1px solid var(--line);
  background: var(--paper-3);
  padding: 0.6rem 0.8rem;
  margin: 0.5rem 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 650;
}

.stack > * + * {
  margin-top: 0.7rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.not-a-store {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--steel-600);
  display: inline-block;
  padding: 0.2rem 0.45rem;
  color: var(--steel-300);
}

.hero .not-a-store {
  margin-bottom: 0.8rem;
}

ul.plain {
  padding-left: 1.15rem;
}

.dead-end {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.infographic {
  margin: 0;
  background: var(--steel-950);
  border-bottom: 1px solid var(--steel-700);
}

.infographic img {
  display: block;
  width: min(var(--max), 100%);
  height: auto;
  margin-inline: auto;
}

.infographic figcaption {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 0.7rem 0 1rem;
  color: var(--steel-300);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
}