/* ==========================================================================
   StitchMath — design system
   Mobile-first, dependency-free, Core Web Vitals friendly.
   ========================================================================== */

:root {
  /* Brand — warm leather palette */
  --brown-900: #3a2416;
  --brown-800: #4d3020;
  --brown-700: #6b4226;
  --brown-600: #7a4b28;
  --brown-500: #9a6a3c;
  --tan-400: #c69663;
  --tan-200: #e7cfa9;
  --tan-100: #f3e6d0;
  --cream: #faf5ec;
  --paper: #fffdf9;

  --ink: #24201b;
  --ink-soft: #554d43;
  --muted: #7d7367;
  --line: #e6dccb;
  --line-strong: #d8c9b0;

  --accent: var(--brown-600);
  --accent-dark: var(--brown-800);
  --amazon: #d97706;
  --amazon-dark: #b45309;
  --ok: #2f7d4f;
  --warn-bg: #fdf3e2;
  --warn-line: #e7b667;
  --danger-bg: #fbecea;
  --danger-line: #e0917f;
  --safety-bg: #eaf4ee;
  --safety-line: #7fbf9a;
  --note-bg: #eef2f7;
  --note-line: #9db6cf;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(58,36,22,.06), 0 6px 18px rgba(58,36,22,.06);
  --shadow-lg: 0 10px 34px rgba(58,36,22,.12);

  --wrap: 960px;
  --prose: 820px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Noto Sans", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Visualisation variables (consumed by inline SVG) */
  --viz-bg: #fbf4e8;
  --viz-axis: #9a6a3c;
  --viz-mark: #7a4b28;
  --viz-thread: #c69663;
  --viz-hide-zone: #ecdcc2;
  --viz-hide-hi: #d9a86a;
  --card-bg: #fffdf9;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #ece4d8;
    --ink-soft: #c9bdac;
    --muted: #a99e8f;
    --cream: #201a14;
    --paper: #2a221a;
    --line: #3c3125;
    --line-strong: #4b3d2d;
    --tan-100: #3a2f22;
    --tan-200: #4a3a28;
    --accent: #c69663;
    --accent-dark: #e7cfa9;
    --note-bg: #22282f;
    --note-line: #3d566f;
    --warn-bg: #2e2415;
    --safety-bg: #17281e;
    --danger-bg: #2c1a16;
    --viz-bg: #241c14;
    --viz-axis: #c69663;
    --viz-mark: #e7cfa9;
    --viz-thread: #8a6540;
    --viz-hide-zone: #3a2f22;
    --viz-hide-hi: #7a5327;
    --card-bg: #2a221a;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 18px rgba(0,0,0,.3);
  }
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration-color: var(--tan-400); text-underline-offset: 2px; }
a:hover { color: var(--accent-dark); }
h1, h2, h3, h4 { line-height: 1.2; color: var(--ink); font-weight: 750; }
h1 { font-size: clamp(1.7rem, 4.5vw, 2.4rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.3rem, 3vw, 1.6rem); margin-top: 2em; }
h3 { font-size: 1.15rem; }
code { font-family: var(--mono); background: var(--tan-100); padding: .1em .35em; border-radius: 4px; font-size: .92em; }
.container { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 20px; }
.muted { color: var(--muted); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--accent); color: #fff; padding: .6rem 1rem; border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 3px solid var(--tan-400); outline-offset: 2px; border-radius: 4px; }

/* --------------------------------------------------------------------------
   Header / nav
   -------------------------------------------------------------------------- */
.site-header {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(1.1);
}
.header-inner { display: flex; align-items: center; gap: 1rem; min-height: 62px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 800; font-size: 1.2rem; color: var(--brown-700); text-decoration: none; letter-spacing: -.02em; }
.brand-mark { color: var(--accent); flex: none; }
.brand--footer { color: var(--tan-200); font-size: 1.15rem; }

.nav-toggle { display: none; }
.nav-toggle-label { display: none; }
.site-nav { margin-left: auto; display: flex; gap: .3rem; flex-wrap: wrap; }
.site-nav a {
  display: inline-block; padding: .5rem .8rem; border-radius: var(--radius-sm);
  color: var(--ink-soft); text-decoration: none; font-weight: 600; font-size: .98rem;
}
.site-nav a:hover { background: var(--tan-100); color: var(--brown-700); }

@media (max-width: 640px) {
  .nav-toggle-label {
    display: flex; flex-direction: column; gap: 5px; margin-left: auto;
    padding: 8px; cursor: pointer; border-radius: 8px;
  }
  .nav-toggle-label span { width: 24px; height: 2.5px; background: var(--brown-700); border-radius: 2px; transition: .2s; }
  .site-nav {
    flex-basis: 100%; flex-direction: column; gap: 0;
    max-height: 0; overflow: hidden; transition: max-height .25s ease; margin-left: 0;
  }
  .nav-toggle:checked ~ .site-nav { max-height: 400px; padding-bottom: .5rem; }
  .site-nav a { padding: .7rem .6rem; border-radius: 6px; }
}

.breadcrumb-wrap { padding-top: 14px; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .35rem; padding: 0; margin: 0; font-size: .85rem; color: var(--muted); }
.breadcrumbs li + li::before { content: "/"; margin-right: .35rem; color: var(--line-strong); }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent); text-decoration: underline; }
.breadcrumbs [aria-current] span { color: var(--ink-soft); }

/* --------------------------------------------------------------------------
   Layout containers
   -------------------------------------------------------------------------- */
main.container { padding-top: 22px; padding-bottom: 56px; }
.with-sidebar { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 900px) { .with-sidebar { grid-template-columns: minmax(0,1fr) 300px; } }
.page-head { margin-bottom: .5rem; }
.lead { font-size: 1.15rem; color: var(--ink-soft); margin-top: .4rem; }
article, .prose-page, .content-page, .tool-page, .hub-page { max-width: var(--prose); }
.hub-page, .home { max-width: var(--wrap); }

.prose > * + * { margin-top: 1rem; }
.prose p, .prose li { color: var(--ink); }
.prose h2 + p { margin-top: .5rem; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li + li { margin-top: .35rem; }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: .4rem; justify-content: center;
  padding: .7rem 1.15rem; border-radius: var(--radius-sm); font-weight: 700; font-size: 1rem;
  text-decoration: none; cursor: pointer; border: 1px solid transparent; transition: .15s;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--accent-dark); color: #fff; }
.btn-ghost { background: transparent; border-color: var(--line-strong); color: var(--brown-700); }
.btn-ghost:hover { background: var(--tan-100); }
.btn-amazon { background: var(--amazon); color: #fff; padding: .55rem .9rem; font-size: .95rem; }
.btn-amazon:hover { background: var(--amazon-dark); color: #fff; }

/* --------------------------------------------------------------------------
   Quick answer
   -------------------------------------------------------------------------- */
.quick-answer {
  background: linear-gradient(180deg, var(--tan-100), var(--paper));
  border: 1px solid var(--line-strong); border-left: 4px solid var(--accent);
  border-radius: var(--radius); padding: 1rem 1.2rem; margin: 1.4rem 0;
}
.qa-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .09em; color: var(--accent); margin: 0 0 .3rem; }
.qa-body { margin: 0; }
.qa-body p { margin: 0; font-size: 1.05rem; }

/* --------------------------------------------------------------------------
   Tool form + result grid
   -------------------------------------------------------------------------- */
.tool-grid { display: grid; grid-template-columns: 1fr; gap: 1.4rem; margin: 1.5rem 0; }
@media (min-width: 760px) { .tool-grid { grid-template-columns: 340px minmax(0,1fr); align-items: start; } }

.tool-form {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.2rem; box-shadow: var(--shadow); position: sticky; top: 78px;
}
@media (max-width: 759px) { .tool-form { position: static; } }
.tool-form fieldset { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .6rem .8rem; margin: 0 0 1rem; }
.tool-form legend { font-weight: 700; font-size: .9rem; padding: 0 .3rem; }
.field { margin-bottom: 1rem; }
.field label { display: block; font-weight: 650; font-size: .95rem; margin-bottom: .3rem; }
.field .opt { font-weight: 400; color: var(--muted); font-size: .8rem; }
.tool-form input[type=number], .tool-form input[type=search], .tool-form select, .search-form input {
  width: 100%; padding: .6rem .7rem; font-size: 1rem; font-family: inherit;
  border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--cream); color: var(--ink);
}
.tool-form input:focus, .tool-form select:focus { border-color: var(--accent); }
.field-hint { display: block; font-size: .82rem; color: var(--muted); margin-top: .3rem; }
.radio { display: inline-flex; align-items: center; gap: .35rem; margin-right: 1rem; font-weight: 550; font-size: .95rem; cursor: pointer; }
.tool-form .btn-primary { width: 100%; margin-top: .3rem; }

.panel-list { display: flex; flex-direction: column; gap: .4rem; }
.panel-row { display: grid; grid-template-columns: 20px 1fr auto 1fr; align-items: center; gap: .4rem; }
.panel-n { color: var(--muted); font-size: .85rem; text-align: center; }
.panel-row input { padding: .4rem .5rem; }

/* Result card */
.result-card {
  background: var(--paper); border: 1px solid var(--line-strong); border-radius: var(--radius);
  padding: 1.3rem; box-shadow: var(--shadow);
}
.result-h { margin: 0 0 1rem; font-size: 1.4rem; color: #c3ab9b; }
.stat-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: .7rem; margin-bottom: 1rem; }
@media (min-width: 520px) { .stat-row { grid-template-columns: repeat(4, 1fr); } }
.stat { background: var(--tan-100); border-radius: var(--radius-sm); padding: .7rem .5rem; text-align: center; }
.stat-value { font-size: 1.25rem; font-weight: 800; color: #f3ddd0; letter-spacing: -.01em; }
.stat-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin-top: .15rem; }
.stat-sub { font-size: .78rem; color: var(--ink-soft); margin-top: .1rem; }
.result-line { margin-top: .8rem; padding-top: .8rem; border-top: 1px solid var(--line); }
.tag { display: inline-block; font-size: .72rem; font-weight: 700; padding: .1rem .5rem; border-radius: 20px; }
.tag-info { background: var(--note-bg); color: var(--accent-dark); border: 1px solid var(--note-line); }

/* --------------------------------------------------------------------------
   Visualisations
   -------------------------------------------------------------------------- */
.viz-block { margin: 2rem 0; }
.viz-block svg { display: block; border: 1px solid var(--line); border-radius: var(--radius); margin-top: .6rem; background: var(--viz-bg); }
.viz-tick { font: 600 11px var(--font); fill: var(--viz-axis); }
.viz-rowlabel { font: 600 12px var(--font); fill: var(--ink-soft); }
.viz-zone-label { font: 700 14px var(--font); fill: var(--brown-800); }
.viz-zone-sub { font: 500 11px var(--font); fill: var(--muted); }

/* Thread-pitch scale */
.thread-pitch { margin: 1rem 0 0; }
.tp-track { position: relative; display: flex; height: 46px; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--line-strong); }
.tp-zone { display: flex; align-items: center; justify-content: center; min-width: 0; }
.tp-zone-thread { font-size: .74rem; font-weight: 700; color: rgba(30,20,10,.8); white-space: nowrap; }
.tp-z1 { background: #f0dcbf; } .tp-z2 { background: #e3bf8c; } .tp-z3 { background: #cf9a5c; }
.tp-z4 { background: #b3762f; } .tp-z5 { background: #8a5620; }
.tp-z4 .tp-zone-thread, .tp-z5 .tp-zone-thread { color: rgba(255,250,240,.95); }
.tp-marker { position: absolute; top: -6px; bottom: -6px; width: 3px; background: var(--brown-900); transform: translateX(-50%); }
.tp-marker::after { content: ""; position: absolute; top: -7px; left: 50%; transform: translateX(-50%); border: 6px solid transparent; border-top-color: var(--brown-900); }
.tp-marker--off { background: var(--danger-line); }
.tp-marker-value { position: absolute; top: -30px; left: 50%; transform: translateX(-50%); font-size: .72rem; font-weight: 800; background: var(--brown-900); color: #fff; padding: .05rem .4rem; border-radius: 10px; white-space: nowrap; }
.tp-axis { position: relative; height: 20px; margin-top: 4px; }
.tp-tick { position: absolute; transform: translateX(-50%); font-size: .72rem; color: var(--muted); }
.thread-pitch figcaption { font-size: .82rem; color: var(--muted); margin-top: 1.2rem; }

/* --------------------------------------------------------------------------
   Callouts
   -------------------------------------------------------------------------- */
.callout { border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 1rem 1.1rem; margin: 1.5rem 0; }
.callout--note { background: var(--note-bg); border-color: var(--note-line); }
.callout--warn { background: var(--warn-bg); border-color: var(--warn-line); }
.callout--danger { background: var(--danger-bg); border-color: var(--danger-line); }
.callout--safety { background: var(--safety-bg); border-color: var(--safety-line); }
.callout-head { display: flex; align-items: center; gap: .5rem; font-weight: 750; margin-bottom: .4rem; }
.callout-icon { font-size: 1.1rem; }
.callout-body > :first-child { margin-top: 0; }
.callout-body > :last-child { margin-bottom: 0; }
.tick-list { list-style: none; padding-left: 0; margin: 0; }
.tick-list li { position: relative; padding-left: 1.5rem; margin-bottom: .45rem; }
.tick-list li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 800; }

/* --------------------------------------------------------------------------
   Product cards
   -------------------------------------------------------------------------- */
.gear { margin-top: 2.2rem; }
.cards-intro { color: var(--ink-soft); margin-bottom: 1rem; }
.product-grid { list-style: none; padding: 0; margin: 1rem 0 0; display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 620px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
.product-card {
  background: var(--card-bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem 1.1rem; box-shadow: var(--shadow); display: flex; flex-direction: column;
}
.card-top { display: flex; align-items: flex-start; gap: .7rem; }
.card-icon-wrap { flex: none; width: 44px; height: 44px; display: grid; place-items: center; background: var(--tan-100); border-radius: 10px; color: var(--brown-600); }
.card-icon { width: 26px; height: 26px; }
.card-title { font-size: 1.02rem; margin: 0; }
.card-specs { display: grid; grid-template-columns: repeat(2, 1fr); gap: .3rem .8rem; margin: .8rem 0; }
.card-specs > div { display: flex; justify-content: space-between; gap: .5rem; font-size: .82rem; border-bottom: 1px dotted var(--line); padding-bottom: .2rem; }
.card-specs dt { color: var(--muted); margin: 0; }
.card-specs dd { margin: 0; font-weight: 650; text-align: right; }
.card-notes { font-size: .9rem; color: var(--ink-soft); margin: .2rem 0 .8rem; }
.card-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: .5rem; flex-wrap: wrap; }
.card-reviewed { font-size: .74rem; color: var(--muted); }

/* --------------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------------- */
.table-wrap { overflow-x: auto; margin: 1rem 0; border: 1px solid var(--line); border-radius: var(--radius); }
.data-table { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 460px; }
.data-table caption { text-align: left; padding: .7rem 1rem; font-size: .82rem; color: var(--muted); border-bottom: 1px solid var(--line); }
.data-table th, .data-table td { padding: .6rem .85rem; text-align: left; border-bottom: 1px solid var(--line); }
.data-table thead th { background: var(--tan-100); color: #e3e3e3; font-size: .82rem; text-transform: uppercase; letter-spacing: .03em; position: sticky; top: 0; }
.data-table tbody tr:nth-child(even) { background: color-mix(in srgb, var(--tan-100) 40%, transparent); }
.data-table tbody th { font-weight: 700; }

/* --------------------------------------------------------------------------
   FAQ / takeaways / related
   -------------------------------------------------------------------------- */
.faq { margin-top: 2.2rem; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: .6rem; background: var(--paper); overflow: hidden; }
.faq-item summary { cursor: pointer; padding: .85rem 1rem; font-weight: 650; list-style: none; position: relative; padding-right: 2.4rem; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 1rem; top: 50%; transform: translateY(-50%); font-size: 1.3rem; color: var(--accent); }
.faq-item[open] summary::after { content: "−"; }
.faq-a { padding: 0 1rem 1rem; color: var(--ink-soft); }
.faq-a > :first-child { margin-top: 0; }

.takeaways { background: var(--tan-100); border-radius: var(--radius); padding: 1.2rem 1.3rem; margin: 2rem 0; }
.takeaways h2 { margin-top: 0; }

.related { margin-top: 2.5rem; }
.rel-grid { display: grid; grid-template-columns: 1fr; gap: .8rem; margin-top: 1rem; }
@media (min-width: 560px) { .rel-grid { grid-template-columns: repeat(2, 1fr); } }
.rel-card { display: flex; flex-direction: column; gap: .25rem; padding: .9rem 1rem; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-sm); text-decoration: none; transition: .15s; }
.rel-card:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateY(-1px); }
.rel-kicker { font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); font-weight: 800; }
.rel-title { font-weight: 650; color: var(--ink); }

.verified { font-size: .82rem; color: var(--muted); margin-top: 2rem; font-style: italic; }

/* --------------------------------------------------------------------------
   Ads (only render when configured)
   -------------------------------------------------------------------------- */
.ad { margin: 2rem 0; text-align: center; min-height: 0; }
.ad-label { display: block; font-size: .62rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: .3rem; }
.ad-sidebar { position: sticky; top: 80px; }

/* --------------------------------------------------------------------------
   Home
   -------------------------------------------------------------------------- */
.hero { text-align: center; padding: 2.5rem 0 1.5rem; }
.hero h1 { font-size: clamp(2rem, 6vw, 3rem); }
.hero-sub { max-width: 640px; margin: 1rem auto 1.5rem; font-size: 1.15rem; color: var(--ink-soft); }
.hero-cta { display: flex; gap: .7rem; justify-content: center; flex-wrap: wrap; }
.home-section { margin: 2.8rem 0; }
.home-section > h2 { text-align: center; margin-bottom: 1.2rem; }
.home-tools { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 560px) { .home-tools { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 860px) { .home-tools { grid-template-columns: repeat(4, 1fr); } }
.home-tool { display: flex; flex-direction: column; gap: .5rem; padding: 1.2rem; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; box-shadow: var(--shadow); transition: .15s; }
.home-tool:hover { transform: translateY(-2px); border-color: var(--accent); box-shadow: var(--shadow-lg); }
.home-tool-icon { width: 42px; height: 42px; display: grid; place-items: center; background: var(--tan-100); border-radius: 10px; color: var(--brown-600); }
.home-tool-icon svg { width: 26px; height: 26px; }
.home-tool-title { font-weight: 750; color: var(--ink); }
.home-tool-desc { font-size: .9rem; color: var(--ink-soft); }
.why-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 720px) { .why-grid { grid-template-columns: repeat(3, 1fr); } }
.why-card { padding: 1.2rem; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.why-card h3 { margin-top: 0; color: var(--brown-700); }

/* --------------------------------------------------------------------------
   Hubs
   -------------------------------------------------------------------------- */
.hub-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; margin: 1.5rem 0; }
@media (min-width: 620px) { .hub-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .hub-grid { grid-template-columns: repeat(3, 1fr); } }
.hub-card { display: flex; flex-direction: column; gap: .35rem; padding: 1.1rem 1.2rem; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; box-shadow: var(--shadow); transition: .15s; }
.hub-card:hover { transform: translateY(-2px); border-color: var(--accent); box-shadow: var(--shadow-lg); }
.hub-card-title { font-weight: 750; color: var(--ink); font-size: 1.05rem; }
.hub-card-desc { font-size: .9rem; color: var(--ink-soft); }

/* --------------------------------------------------------------------------
   Search / error
   -------------------------------------------------------------------------- */
.search-form { display: flex; gap: .5rem; margin: 1.2rem 0; }
.search-form input { flex: 1; }
.error-page, .search-page { max-width: var(--prose); }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer { background: #f3f3f3; color: var(--tan-100); margin-top: 3rem; padding: 2.5rem 0 1.5rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 1.6rem; }
@media (min-width: 640px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.footer-h { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--tan-400); margin: 0 0 .6rem; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: .4rem; }
.footer-col a { color: var(--tan-100); text-decoration: none; font-size: .95rem; }
.footer-col a:hover { color: #fff; text-decoration: underline; }
.footer-blurb { font-size: .92rem; color: var(--tan-200); margin: .5rem 0 0; }
.footer-legal { margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid rgba(231,207,169,.18); font-size: .82rem; color: var(--tan-200); }
.footer-legal p { margin: .3rem 0; }
.footer-affiliate { color: var(--tan-400); }

/* --------------------------------------------------------------------------
   Misc content
   -------------------------------------------------------------------------- */
.contact-email { font-size: 1.4rem; font-weight: 750; }
.contact-email a { text-decoration: none; }
.content-section:first-of-type { margin-top: 1rem; }

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

/* --------------------------------------------------------------------------
   How-to steps
   -------------------------------------------------------------------------- */
.howto-steps ol.steps { counter-reset: step; list-style: none; padding-left: 0; margin: 1rem 0; }
.howto-steps ol.steps li { position: relative; padding-left: 2.8rem; margin-bottom: 1rem; min-height: 2rem; }
.howto-steps ol.steps li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 0; top: -2px; width: 2rem; height: 2rem;
  background: var(--accent); color: #fff; border-radius: 50%;
  display: grid; place-items: center; font-weight: 800; font-size: .95rem;
}
.viz-belt, .viz-rivet { max-width: 100%; }