/* How To Guides — "workshop manual" styles: off-white paper, ink navy, one signal orange. No framework. */

@font-face { font-family: "Archivo"; src: url("/assets/fonts/archivo.woff2") format("woff2"); font-weight: 600 800; font-stretch: 75% 100%; font-display: swap; }
@font-face { font-family: "Source Sans 3"; src: url("/assets/fonts/source-sans-3.woff2") format("woff2"); font-weight: 200 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Source Sans 3"; src: url("/assets/fonts/source-sans-3-italic.woff2") format("woff2"); font-weight: 200 900; font-style: italic; font-display: swap; }

:root {
  --paper: #F4F1E8;
  --paper-2: #EAE5D6;
  --card: #FFFDF7;
  --ink: #14213D;
  --ink-2: #44506A;
  --rule: #CFC7B3;
  --accent: #FF6A1F;
  --accent-dk: #A63A00;
  --accent-soft: #FFE3D1;
  --ok: #1E6B3A;
  --ok-soft: #E3F1E6;
  --danger: #A1260D;
  --head: "Archivo", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --body: "Source Sans 3", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  --wrap: 1160px;
  --gut: 16px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 16px; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1.125rem/1.6 var(--body); overflow-wrap: break-word; }
img, svg { max-width: 100%; height: auto; }
a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { color: var(--accent-dk); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
main:focus { outline: none; }
h1, h2, h3, h4 { font-family: var(--head); font-stretch: 82%; font-weight: 750; line-height: 1.12; letter-spacing: -.005em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 5.2vw, 3.25rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.85rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.3em; margin: 0 0 1em; }
li { margin-bottom: .3em; }
code { font-size: .92em; background: var(--paper-2); padding: .05em .3em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: var(--gut); padding-right: var(--gut); }
.narrow { max-width: 800px; }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.skip { position: absolute; left: 8px; top: -60px; z-index: 50; background: var(--accent); color: var(--ink); padding: 10px 14px; font-weight: 700; }
.skip:focus { top: 8px; }
.small { font-size: .92rem; }
.muted { color: var(--ink-2); }
.ic { width: 1.25em; height: 1.25em; vertical-align: -.22em; flex: none; }
.ic-s { width: 1.05em; height: 1.05em; vertical-align: -.15em; }
.ic-l { width: 30px; height: 30px; }
.kicker { font-family: var(--head); font-stretch: 85%; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; font-size: .85rem; color: var(--accent-dk); margin: 0 0 .5rem; }
.kicker a { color: inherit; text-decoration: none; }
.kicker a:hover { text-decoration: underline; }
.lead { font-size: 1.25rem; line-height: 1.5; color: var(--ink); max-width: 46em; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: .45em; min-height: 46px; padding: .5em 1.1em; border: 2px solid var(--ink); background: var(--accent); color: var(--ink); font: 700 1rem/1.2 var(--body); text-decoration: none; cursor: pointer; box-shadow: 3px 3px 0 var(--ink); transition: transform .08s, box-shadow .08s; }
.btn:hover { color: var(--ink); transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--ink); }
.btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.btn-line { background: var(--card); }
.btn[hidden] { display: none; }
.more { font-family: var(--head); font-stretch: 85%; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; font-size: .9rem; white-space: nowrap; }

/* ---------------------------------------------------------------- header */
.site-head { background: var(--ink); color: #fff; position: relative; }
.site-head::after { content: ""; display: block; height: 10px; background: repeating-linear-gradient(90deg, var(--accent) 0 2px, transparent 2px 12px) top / 100% 6px no-repeat, linear-gradient(var(--accent), var(--accent)) bottom / 100% 4px no-repeat; }
.head-in { display: flex; align-items: center; gap: 12px 20px; padding-top: 14px; padding-bottom: 12px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; text-decoration: none; margin-right: auto; min-width: 0; }
.brand:hover { color: #fff; }
.brand-mark { width: 40px; height: 40px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name { font-family: var(--head); font-stretch: 78%; font-weight: 800; font-size: 1.6rem; text-transform: uppercase; letter-spacing: .02em; }
.brand-tag { font-size: .9rem; color: #C9D1E3; margin-top: 3px; }
.head-search { display: flex; flex: 1 1 320px; max-width: 460px; position: relative; }
.head-search input { flex: 1; min-width: 0; min-height: 44px; border: 2px solid #fff; border-right: 0; padding: 6px 12px; font: inherit; font-size: 1rem; background: #fff; color: var(--ink); border-radius: 0; }
.head-search button { min-width: 48px; min-height: 44px; border: 2px solid #fff; background: var(--accent); color: var(--ink); cursor: pointer; display: grid; place-items: center; }
.nav-main { border-top: 1px solid rgba(255, 255, 255, .14); }
.nav-main ul { list-style: none; display: flex; flex-wrap: wrap; gap: 0 4px; padding-top: 0; padding-bottom: 0; margin: 0 auto; }
.nav-main li { margin: 0; }
.nav-main a { display: block; padding: 10px 12px; color: #fff; text-decoration: none; font-family: var(--head); font-stretch: 85%; font-weight: 700; font-size: .98rem; text-transform: uppercase; letter-spacing: .06em; border-bottom: 3px solid transparent; }
.nav-main a:hover { color: #fff; border-bottom-color: rgba(255, 106, 31, .6); }
.nav-main a[aria-current] { border-bottom-color: var(--accent); }
.nav-mobile { display: none; }
.nav-mobile summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 8px; min-height: 44px; padding: 6px 12px; border: 2px solid #fff; font-weight: 700; }
.nav-mobile summary::-webkit-details-marker { display: none; }
.burger { display: inline-grid; gap: 4px; }
.burger i { display: block; width: 18px; height: 2px; background: #fff; }
.nav-mobile ul { list-style: none; padding: 8px 0; margin: 0; }
.nav-mobile a { display: block; padding: 10px 4px; color: #fff; text-decoration: none; font-weight: 700; border-bottom: 1px solid rgba(255, 255, 255, .14); }
.nav-mobile a[aria-current] { color: var(--accent); }

/* ---------------------------------------------------------------- suggestions dropdown */
.sg { position: absolute; left: 0; right: 0; top: 100%; z-index: 30; background: var(--card); border: 2px solid var(--ink); border-top: 0; list-style: none; margin: 0; padding: 0; box-shadow: 4px 4px 0 var(--ink); max-height: 70vh; overflow: auto; }
.sg[hidden] { display: none; }
.sg li { margin: 0; }
.sg a { display: block; padding: 9px 12px; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--paper-2); line-height: 1.3; }
.sg a small { display: block; color: var(--ink-2); font-size: .82rem; }
.sg [aria-selected="true"] a, .sg a:hover { background: var(--accent-soft); }
.sg .sg-all a { font-weight: 700; }

/* ---------------------------------------------------------------- page heads */
.page-head { padding: 28px 0 8px; position: relative; }
.page-head-ic { padding-left: 0; }
.crumbs ol { list-style: none; padding: 0; margin: 0 0 14px; display: flex; flex-wrap: wrap; gap: 2px 0; font-size: .95rem; }
.crumbs li { margin: 0; color: var(--ink-2); }
.crumbs li + li::before { content: "/"; margin: 0 .5em; color: var(--accent-dk); font-weight: 700; }
.crumbs a { color: var(--ink-2); }
.cat-ic { display: inline-grid; place-items: center; width: 52px; height: 52px; background: var(--accent); border: 2px solid var(--ink); color: var(--ink); flex: none; }
.cat-ic-lg { margin-bottom: 12px; }

/* ---------------------------------------------------------------- home */
.hero { background-color: var(--paper); background-image: linear-gradient(rgba(20, 33, 61, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(20, 33, 61, .06) 1px, transparent 1px); background-size: 24px 24px; border-bottom: 2px solid var(--ink); }
.hero-in { padding-top: 44px; padding-bottom: 36px; }
.hero h1 { font-size: clamp(2.3rem, 7vw, 4.4rem); text-transform: uppercase; font-stretch: 76%; max-width: 14em; margin-bottom: .3em; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 6px 22px; margin: 18px 0 0; font-size: 1rem; color: var(--ink-2); }
.hero-stats strong { color: var(--ink); font-family: var(--head); font-size: 1.2rem; }
.bigsearch { margin-top: 18px; max-width: 760px; position: relative; }
.bigsearch-l { display: block; font-family: var(--head); font-stretch: 85%; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; font-size: .95rem; margin-bottom: 6px; }
.bigsearch-row { display: flex; align-items: stretch; border: 2px solid var(--ink); background: var(--card); box-shadow: 5px 5px 0 var(--ink); position: relative; }
.bigsearch-pre { display: flex; align-items: center; padding: 0 0 0 14px; font-family: var(--head); font-stretch: 85%; font-weight: 700; color: var(--ink-2); white-space: nowrap; font-size: 1.15rem; }
.bigsearch input { flex: 1; min-width: 0; border: 0; background: transparent; font: inherit; font-size: 1.2rem; padding: 14px 10px; color: var(--ink); border-radius: 0; }
.bigsearch input:focus { outline: none; }
.bigsearch-row:focus-within { outline: 3px solid var(--accent); outline-offset: 2px; }
.btn-go { box-shadow: none; border-width: 0 0 0 2px; min-height: 56px; }
.btn-go:hover, .btn-go:active { transform: none; box-shadow: none; background: #ff8143; }
.bigsearch .sg { top: calc(100% + 2px); }
.band { padding-top: 40px; padding-bottom: 8px; }
.band-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 16px; border-bottom: 2px solid var(--ink); margin-bottom: 18px; }
.band-head h2 { margin-bottom: .35em; }
.sec-no { display: inline-block; font-size: .7em; vertical-align: .18em; background: var(--ink); color: var(--accent); padding: .1em .35em; margin-right: .3em; letter-spacing: .04em; }
.cat-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.cat-grid li { margin: 0; }
.cat-tile { display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 12px; align-items: center; padding: 12px; background: var(--card); border: 2px solid var(--ink); text-decoration: none; height: 100%; }
.cat-tile .cat-ic { grid-row: 1 / 3; width: 48px; height: 48px; }
.cat-tile:hover { box-shadow: 4px 4px 0 var(--accent); color: var(--ink); }
.cat-name { font-family: var(--head); font-stretch: 85%; font-weight: 750; font-size: 1.15rem; line-height: 1.15; }
.cat-n { font-size: .9rem; color: var(--ink-2); font-weight: 400; font-family: var(--body); }
.how-band { padding-bottom: 40px; }
.how-band h2 { border-bottom: 2px solid var(--ink); padding-bottom: .35em; }
.how-list { list-style: none; counter-reset: how; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.how-list li { counter-increment: how; margin: 0; padding: 14px; border-top: 4px solid var(--ink); background: var(--card); font-size: 1rem; }
.how-list li::before { content: counter(how); display: block; font-family: var(--head); font-weight: 800; font-size: 1.8rem; line-height: 1; color: var(--accent-dk); margin-bottom: 6px; }
.how-list strong { display: block; font-family: var(--head); font-stretch: 85%; font-size: 1.1rem; }
.suggest-strip { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 20px; margin-top: 24px; padding: 18px; background: var(--accent-soft); border: 2px dashed var(--ink); }
.suggest-strip p { margin: 0; }

/* ---------------------------------------------------------------- cards and lists */
.cards { list-style: none; padding: 0; margin: 0 0 24px; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.card { margin: 0; }
.card a { display: flex; flex-direction: column; gap: 6px; height: 100%; padding: 14px 16px 12px; background: var(--card); border: 1.5px solid var(--ink); text-decoration: none; position: relative; }
.card a::before { content: ""; position: absolute; left: -1.5px; top: -1.5px; width: 34px; height: 5px; background: var(--accent); }
.card a:hover { box-shadow: 4px 4px 0 var(--ink); color: var(--ink); }
.card-cat { font-size: .82rem; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-2); font-weight: 700; }
.card-t { font-family: var(--head); font-stretch: 85%; font-weight: 750; font-size: 1.22rem; line-height: 1.15; text-decoration: underline; text-decoration-color: transparent; text-decoration-thickness: 2px; text-underline-offset: 3px; }
.card a:hover .card-t { text-decoration-color: var(--accent); }
.card-s { color: var(--ink-2); font-size: 1rem; line-height: 1.45; }
.card-meta { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: auto; padding-top: 6px; font-size: .9rem; border-top: 1px dashed var(--rule); }
.diff::before { content: ""; display: inline-block; width: 9px; height: 9px; margin-right: 5px; border: 1.5px solid var(--ink); vertical-align: 0; }
.diff-easy::before { background: var(--ok); }
.diff-medium::before { background: var(--accent); }
.diff-hard::before { background: var(--danger); }
.list-bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 4px 20px; border-top: 2px solid var(--ink); padding-top: 10px; margin: 14px 0 16px; }
.list-bar p { margin: 0; }
.count { font-weight: 700; }
.sorts a, .sorts span { margin-left: .5em; }
.sort-on { font-weight: 700; border-bottom: 3px solid var(--accent); }
.empty, .empty-box { color: var(--ink-2); }
.empty-box { background: var(--card); border: 2px dashed var(--ink); padding: 18px; color: var(--ink); }
.subcat-nav ul, .chip-list { list-style: none; padding: 0; margin: 0 0 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.subcat-nav li, .chip-list li { margin: 0; }
.subcat-nav a, .chip-list a { display: inline-flex; align-items: center; gap: 6px; min-height: 40px; padding: 4px 12px; border: 1.5px solid var(--ink); background: var(--card); text-decoration: none; font-weight: 600; font-size: 1rem; }
.subcat-nav a:hover, .chip-list a:hover { background: var(--accent-soft); color: var(--ink); }
.toolkit-link { margin-top: 20px; padding: 12px 14px; border-left: 5px solid var(--accent); background: var(--card); }
.cat-list { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.cat-row { margin: 0; padding: 16px; background: var(--card); border: 2px solid var(--ink); }
.cat-row-h { display: flex; gap: 12px; align-items: center; text-decoration: none; margin-bottom: 8px; }
.cat-row p { font-size: 1rem; color: var(--ink-2); margin-bottom: .6em; }
.subcats { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 1rem; }

/* pager */
.pager { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 8px 0 28px; }
.pager ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0; }
.pager li { margin: 0; }
.pg { display: inline-grid; place-items: center; min-width: 44px; min-height: 44px; padding: 0 10px; border: 1.5px solid var(--ink); background: var(--card); text-decoration: none; font-weight: 700; }
.pg-on { background: var(--ink); color: #fff; }
.pg-gap { align-self: center; padding: 0 4px; }

/* A–Z */
.az-nav ul { list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-wrap: wrap; gap: 6px; }
.az-nav li { margin: 0; }
.az-nav a, .az-nav span { display: inline-grid; place-items: center; min-width: 42px; min-height: 42px; padding: 0 6px; border: 1.5px solid var(--ink); font-family: var(--head); font-weight: 800; text-decoration: none; background: var(--card); }
.az-nav span { border-color: var(--rule); color: #8A8778; background: transparent; }
.az-nav a[aria-current] { background: var(--ink); color: #fff; }
.az-sec { margin-bottom: 26px; }
.az-h { display: inline-block; background: var(--ink); color: var(--accent); padding: 2px 14px; font-size: 1.6rem; margin-bottom: 10px; }
.az-list { columns: 2 300px; column-gap: 32px; padding-left: 0; list-style: none; }
.az-list li { break-inside: avoid; padding: 3px 0; border-bottom: 1px dotted var(--rule); }

/* ---------------------------------------------------------------- guide */
.guide-head { border-bottom: 2px solid var(--ink); padding: 26px 0 22px; background-image: linear-gradient(rgba(20, 33, 61, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(20, 33, 61, .05) 1px, transparent 1px); background-size: 24px 24px; }
.guide-head h1 { max-width: 20em; }
.plate { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); margin: 18px 0 16px; border: 2px solid var(--ink); background: var(--card); max-width: 860px; }
.plate > div { padding: 10px 14px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); margin-right: -1px; margin-bottom: -1px; }
.plate dt { font-size: .78rem; text-transform: uppercase; letter-spacing: .09em; color: var(--ink-2); font-weight: 700; }
.plate dd { margin: 2px 0 0; font-family: var(--head); font-stretch: 85%; font-weight: 750; font-size: 1.2rem; line-height: 1.2; }
.plate-sub { font-family: var(--body); font-weight: 400; font-size: .9rem; color: var(--ink-2); }
.meter { display: inline-flex; gap: 3px; vertical-align: 0; }
.meter i { width: 10px; height: 14px; border: 1.5px solid var(--ink); }
.meter-1 i:nth-child(-n+1), .meter-2 i:nth-child(-n+2), .meter-3 i:nth-child(-n+3) { background: var(--accent); }
.guide-actions { display: flex; flex-wrap: wrap; gap: 10px 14px; }
.guide-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px; padding-top: 26px; }
.guide-main { min-width: 0; max-width: 780px; }
.guide-side { display: none; }
.jump { background: var(--card); border: 2px solid var(--ink); padding: 12px 16px 6px; margin-bottom: 24px; }
.jump-h { font-size: 1rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: .5em; }
.jump ol, .side-steps ol { list-style: none; padding: 0; margin: 0 0 8px; }
.jump li, .side-steps li { margin: 0; }
.jump a, .side-steps a { display: flex; gap: 10px; align-items: baseline; padding: 6px 0; text-decoration: none; line-height: 1.3; border-bottom: 1px dotted var(--rule); }
.jump a:hover, .side-steps a:hover { text-decoration: underline; text-decoration-color: var(--accent); }
.jn { display: inline-grid; place-items: center; flex: none; min-width: 26px; height: 26px; background: var(--ink); color: #fff; font-family: var(--head); font-weight: 800; font-size: .9rem; }
.panel { background: var(--card); border: 2px solid var(--ink); padding: 16px 18px 6px; margin: 0 0 24px; }
.panel-h { display: flex; align-items: center; gap: 10px; font-size: 1.3rem; text-transform: uppercase; letter-spacing: .04em; margin: -16px -18px 14px; padding: 10px 18px; background: var(--ink); color: #fff; }
.panel-h .ic { color: var(--accent); }
.need-list { list-style: none; padding: 0; }
.need-list li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; padding: 7px 0; border-bottom: 1px dashed var(--rule); margin: 0; }
.need-box { width: 16px; height: 16px; border: 2px solid var(--ink); flex: none; align-self: center; }
.need-item { flex: 1 1 12em; }
.amz { font-size: .92rem; font-weight: 700; white-space: nowrap; }
.amz-note { margin-top: 10px; }
.safety { border-color: var(--danger); background: #FFF4EF; }
.safety .panel-h { background: var(--danger); }
.safety .panel-h .ic { color: #fff; }
.tips .panel-h { background: var(--ok); }
.tips .panel-h .ic, .pro .panel-h .ic { color: #fff; }
.tips { border-color: var(--ok); }
.pro .panel-h { background: var(--accent-dk); }
.pro { border-color: var(--accent-dk); }
.sec-h { border-bottom: 2px solid var(--ink); padding-bottom: .3em; margin-top: 8px; }
.guide-main .sec-h { margin-top: 36px; }
.guide-main .steps-sec .sec-h { margin-top: 8px; }
.steps { list-style: none; padding: 0; margin: 0 0 28px; }
.step { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 0 18px; margin: 0; padding: 18px 0 8px; border-bottom: 1px solid var(--rule); scroll-margin-top: 12px; }
.step:target .step-body { background: var(--accent-soft); box-shadow: 0 0 0 8px var(--accent-soft); }
.step-badge span { display: grid; place-items: center; width: 60px; height: 60px; background: var(--accent); border: 2px solid var(--ink); box-shadow: 4px 4px 0 var(--ink); font-family: var(--head); font-stretch: 80%; font-weight: 800; font-size: 2rem; line-height: 1; }
.step-h { font-size: 1.4rem; margin: 6px 0 .5em; }
.step-body > :last-child { margin-bottom: 8px; }
.step-body h4 { margin-top: .8em; }
.step-next { display: inline-block; margin: 0 0 10px; font-size: .92rem; font-weight: 600; }
.callout { border-left: 5px solid var(--ink); background: var(--paper-2); padding: 10px 14px; margin: 0 0 1em; }
.callout p { margin: 0; }
.callout-h { font-weight: 800; text-transform: uppercase; letter-spacing: .06em; font-size: .85rem; }
.callout.warn { border-left-color: var(--danger); background: #FFF4EF; }
.callout.tip { border-left-color: var(--ok); background: var(--ok-soft); }
.table-wrap { overflow-x: auto; margin: 0 0 1em; }
.md-table { border-collapse: collapse; width: 100%; background: var(--card); font-size: 1rem; }
.md-table th, .md-table td { border: 1px solid var(--rule); padding: 6px 10px; text-align: left; vertical-align: top; }
.md-table th { background: var(--ink); color: #fff; }
.faq details { border: 1.5px solid var(--ink); background: var(--card); margin-bottom: 10px; }
.faq summary { cursor: pointer; padding: 12px 16px; font-weight: 700; list-style: none; position: relative; padding-right: 44px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 14px; top: 8px; font-family: var(--head); font-weight: 800; font-size: 1.5rem; color: var(--accent-dk); }
.faq details[open] summary::after { content: "–"; }
.faq-a { padding: 0 16px 6px; }
.sources ol { font-size: 1rem; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: .95rem; }
.tags-l { font-weight: 700; margin-right: 4px; }
.tags a { padding: 2px 10px; border: 1px solid var(--ink); background: var(--card); text-decoration: none; }
.tags a:hover { background: var(--accent-soft); color: var(--ink); }
.notice { display: flex; gap: 12px; align-items: flex-start; background: var(--paper-2); border: 1.5px solid var(--ink); padding: 14px 16px; margin: 24px 0; font-size: 1rem; }
.notice p { margin: 0; }
.notice-i { width: 24px; height: 24px; color: var(--accent-dk); margin-top: 2px; }
.helpful { border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); padding: 14px 0; margin: 24px 0 16px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; }
.helpful-h { font-size: 1.25rem; margin: 0; }
.helpful-f { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 0; }
.helpful-msg { margin: 0; font-weight: 600; }
.helpful-msg:empty { display: none; }
.helpful > p { margin: 0; }
.report { border: 1.5px dashed var(--ink); background: var(--card); margin-bottom: 30px; }
.report summary { cursor: pointer; padding: 12px 16px; font-weight: 700; }
.report[open] summary { border-bottom: 1px dashed var(--rule); }
.report form, .report .ok-msg { padding: 14px 16px 4px; }
.side-in { position: sticky; top: 16px; }
.side-steps { background: var(--card); border: 2px solid var(--ink); padding: 12px 14px 4px; }
.side-steps h2 { font-size: 1rem; text-transform: uppercase; letter-spacing: .08em; }
.side-links { margin-top: 14px; font-weight: 600; }
.related { padding-bottom: 20px; }
.print-foot { display: none; }

/* forms */
.form label, .form legend { display: block; font-weight: 700; margin: 12px 0 4px; }
.form fieldset { border: 0; padding: 0; margin: 0; }
.form legend { margin-top: 0; }
.form label.radio { font-weight: 400; display: flex; gap: 10px; align-items: center; margin: 4px 0; min-height: 32px; }
.form input[type=text], .form input[type=email], .form select, .form textarea { width: 100%; max-width: 100%; min-height: 46px; padding: 9px 11px; border: 2px solid var(--ink); background: #fff; font: inherit; font-size: 1.05rem; color: var(--ink); border-radius: 0; }
.form textarea { min-height: 110px; }
.form input[type=radio] { width: 20px; height: 20px; accent-color: var(--accent-dk); }
.form .opt { font-weight: 400; color: var(--ink-2); }
.form .btn { margin-top: 10px; }
.form.panel { padding-top: 6px; }
.ok-msg { background: var(--ok-soft); border-left: 5px solid var(--ok); padding: 12px 14px; }
.err-msg { background: #FFF4EF; border-left: 5px solid var(--danger); padding: 12px 14px; }

/* toolkit */
.tk-sec { margin: 26px 0 10px; }
.tk-sec .sec-h { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 12px; }
.tk-sec .cat-ic { width: 40px; height: 40px; }
.tk-list { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.tk-item { margin: 0; display: flex; flex-direction: column; gap: 6px; padding: 14px; background: var(--card); border: 1.5px solid var(--ink); }
.tk-name { font-size: 1.15rem; margin: 0; }
.tk-used { font-size: .95rem; color: var(--ink-2); margin: 0 0 6px; }
.btn-amz { margin-top: auto; align-self: flex-start; min-height: 42px; font-size: .95rem; box-shadow: 2px 2px 0 var(--ink); background: var(--card); }

/* simple pages */
.prose { max-width: 46em; }
.prose h2 { margin-top: 1.4em; border-bottom: 2px solid var(--ink); padding-bottom: .25em; }
.contact-card { font-size: 1.2rem; padding: 14px 16px; background: var(--card); border: 2px solid var(--ink); }
.err-page { padding-top: 40px; padding-bottom: 50px; }
.err-links { margin-top: 20px; }
.credits-list { list-style: none; padding: 0; }
.credits-list li { display: flex; gap: 14px; margin-bottom: 14px; }
.fig { margin: 0 0 24px; }
.fig img { display: block; width: 100%; border: 2px solid var(--ink); }
.fig figcaption { font-size: .88rem; color: var(--ink-2); margin-top: 6px; }

/* ---------------------------------------------------------------- footer */
.site-foot { margin-top: 48px; background: var(--ink); color: #DCE2EE; font-size: 1rem; }
.site-foot::before { content: ""; display: block; height: 6px; background: var(--accent); }
.site-foot a { color: #fff; text-decoration-color: rgba(255, 106, 31, .8); }
.site-foot a:hover { color: var(--accent); }
.foot-top { display: grid; gap: 10px 32px; padding: 28px 0 18px; border-bottom: 1px solid rgba(255, 255, 255, .15); }
.foot-brand { margin: 0; }
.foot-name { font-family: var(--head); font-stretch: 78%; font-weight: 800; font-size: 1.5rem; text-transform: uppercase; color: #fff; margin-right: 6px; }
.foot-disclaimer { display: flex; gap: 10px; align-items: flex-start; margin: 0; padding: 12px 14px; border: 1.5px solid var(--accent); }
.foot-disclaimer .ic { color: var(--accent); margin-top: 2px; }
.foot-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 8px 32px; padding: 20px 0; }
.foot-h { font-size: 1rem; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); margin-bottom: .6em; }
.foot-cols ul { list-style: none; padding: 0; margin: 0 0 12px; }
.foot-cols li { margin: 0 0 6px; }
.foot-cats { columns: 2 140px; column-gap: 20px; }
.foot-legal { border-top: 1px solid rgba(255, 255, 255, .15); padding: 16px 0 28px; font-size: .92rem; }
.foot-legal p { margin-bottom: .6em; }
.foot-copy { color: #AEB8CC; }

/* ---------------------------------------------------------------- responsive */
@media (min-width: 1000px) {
  .guide-layout { grid-template-columns: minmax(0, 1fr) 290px; }
  .guide-side { display: block; }
  .jump { display: none; }
  .foot-top { grid-template-columns: 1fr 1.3fr; align-items: center; }
}
@media (max-width: 820px) {
  .nav-main { display: none; }
  .nav-mobile { display: block; }
  .nav-mobile[open] { flex-basis: 100%; order: 3; }
  .nav-mobile[open] summary { width: max-content; margin-left: auto; }
  .head-search { order: 4; flex-basis: 100%; max-width: none; }
}
@media (max-width: 560px) {
  body { font-size: 1.0625rem; }
  .brand-name { font-size: 1.3rem; }
  .brand-tag { font-size: .8rem; }
  .brand-mark { width: 34px; height: 34px; }
  .lead { font-size: 1.12rem; }
  .bigsearch-pre { display: none; }
  .bigsearch input { font-size: 1.05rem; padding: 12px 10px; }
  .btn-go { padding: .5em .8em; }
  .btn-go .ic + * { display: none; }
  .step { grid-template-columns: 46px minmax(0, 1fr); gap: 0 12px; }
  .step-badge span { width: 44px; height: 44px; font-size: 1.5rem; box-shadow: 3px 3px 0 var(--ink); }
  .step-h { font-size: 1.22rem; margin-top: 2px; }
  .panel { padding: 14px 14px 4px; }
  .panel-h { margin: -14px -14px 12px; padding: 9px 14px; font-size: 1.15rem; }
  .cat-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .cat-tile { grid-template-columns: 1fr; padding: 10px; }
  .cat-tile .cat-ic { grid-row: auto; width: 40px; height: 40px; margin-bottom: 6px; }
  .cards { grid-template-columns: 1fr; }
  .cat-list { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------- print: clean instructions on paper */
@media print {
  @page { margin: 14mm 14mm 16mm; }
  body { background: #fff; color: #000; font-size: 11pt; line-height: 1.45; }
  .site-head, .site-foot, .skip, .guide-actions, .jump, .guide-side, .helpful, .report, .related, .tags, .step-next, .need-list .amz, .amz-note, .crumbs, .pager, .bigsearch, .notice-i { display: none !important; }
  .wrap { max-width: none; padding: 0; }
  .guide-head { background: none; border-bottom: 2px solid #000; padding: 0 0 10px; }
  .guide-head h1 { font-size: 22pt; }
  .kicker { color: #000; }
  .lead { font-size: 12pt; }
  .plate { border-color: #000; margin: 10px 0 0; }
  .plate > div { padding: 5px 9px; }
  .plate dd { font-size: 11pt; }
  .meter i { border-color: #000; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .meter-1 i:nth-child(-n+1), .meter-2 i:nth-child(-n+2), .meter-3 i:nth-child(-n+3) { background: #000; }
  .guide-layout { display: block; padding-top: 12px; }
  .guide-main { max-width: none; }
  .panel { border: 1.5px solid #000; background: #fff; padding: 8px 12px 2px; break-inside: avoid; }
  .panel-h { background: #fff !important; color: #000; border-bottom: 1.5px solid #000; margin: -8px -12px 8px; padding: 5px 12px; font-size: 12pt; }
  .panel-h .ic { color: #000 !important; }
  .safety { background: #fff; }
  .need-list li { padding: 3px 0; }
  .step { grid-template-columns: 40px 1fr; padding: 8px 0 4px; break-inside: avoid; border-bottom: 1px solid #999; }
  .step-badge span { width: 32px; height: 32px; font-size: 15pt; background: #fff; border: 2px solid #000; box-shadow: none; }
  .step-h { font-size: 13pt; margin: 4px 0 4px; }
  .step:target .step-body { background: none; box-shadow: none; }
  .sec-h { font-size: 14pt; border-bottom-color: #000; break-after: avoid; }
  h2, h3 { break-after: avoid; }
  .faq details { border: 0; border-bottom: 1px solid #999; break-inside: avoid; }
  .faq details > * { display: block; }
  .faq summary { padding: 4px 0; }
  .faq details summary::after, .faq details[open] summary::after { content: none; }
  .faq-a { display: block !important; padding: 0 0 4px; }
  .faq details::details-content { content-visibility: visible; display: block; }
  .callout { background: #fff; border: 1px solid #000; border-left-width: 4px; }
  a { color: #000; text-decoration: none; }
  .step-body a[data-url]::after, .extra a[data-url]::after, .faq-a a[data-url]::after { content: " (" attr(data-url) ")"; font-size: 9pt; }
  .md-table th { background: #fff; color: #000; }
  .md-table th, .md-table td { border-color: #000; }
  .notice { background: #fff; border: 1px solid #000; font-size: 9pt; margin: 12px 0 0; }
  .print-foot { display: block; font-size: 9pt; border-top: 1px solid #000; padding-top: 6px; margin-top: 12px; }
  .fig img { max-height: 70mm; width: auto; border: 1px solid #000; }
}