/* MountSpec — single stylesheet. Mobile-first, no dependencies. */

/* ---------- Tokens ---------- */
:root {
  --ink: #1c2433;
  --ink-soft: #4d5a70;
  --ink-faint: #7c8799;
  --bg: #ffffff;
  --bg-soft: #f4f6fa;
  --bg-accent: #eef3fb;
  --line: #dde3ec;
  --brand: #10315c;
  --brand-soft: #2a5aa0;
  --accent: #0f766e;
  --ok-bg: #e7f6ec;   --ok-ink: #14532d;  --ok-line: #86d3a2;
  --warn-bg: #fdf3dc; --warn-ink: #713f12; --warn-line: #ecc879;
  --bad-bg: #fdecec;  --bad-ink: #7f1d1d;  --bad-line: #efa9a9;
  --radius: 10px;
  --content: 860px;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
}

/* ---------- Reset-ish ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--brand-soft); text-underline-offset: 2px; }
a:hover { color: var(--brand); }
h1, h2, h3 { line-height: 1.25; color: var(--ink); }
h1 { font-size: 1.7rem; margin: 0 0 .5rem; letter-spacing: -0.015em; }
h2 { font-size: 1.3rem; margin: 2rem 0 .6rem; }
h3 { font-size: 1.05rem; margin: 1.3rem 0 .4rem; }
p, ul, ol { margin: 0 0 1rem; }
ul, ol { padding-left: 1.4rem; }

.mono { font-family: var(--mono); }
.muted { color: var(--ink-faint); font-size: .92em; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--brand); color: #fff; padding: .5rem 1rem;
}
.skip-link:focus { left: 0; }

.wrap { max-width: var(--content); margin: 0 auto; padding: 0 1rem; }

/* ---------- Header ---------- */
.site-header {
  background: var(--brand); color: #fff;
  border-bottom: 3px solid var(--accent);
}
.header-inner {
  display: flex; align-items: center; gap: .9rem; flex-wrap: wrap;
  padding-top: .6rem; padding-bottom: .6rem;
}
.brand { display: flex; align-items: center; gap: .5rem; color: #fff; text-decoration: none; }
.brand-icon { color: #9fd7bd; }
.brand-name { font-weight: 700; font-size: 1.15rem; letter-spacing: .01em; }
.site-nav ul { display: flex; gap: .2rem; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.site-nav a {
  color: #dce6f5; text-decoration: none; padding: .35rem .6rem; border-radius: 6px;
  font-size: .95rem;
}
.site-nav a:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.header-search { display: flex; margin-left: auto; }
.header-search input {
  width: 200px; max-width: 52vw;
  border: 1px solid rgba(255,255,255,.35); border-right: 0; border-radius: 7px 0 0 7px;
  background: rgba(255,255,255,.12); color: #fff; padding: .4rem .6rem; font-size: .9rem;
}
.header-search input::placeholder { color: #b7c6dd; }
.header-search button {
  border: 1px solid rgba(255,255,255,.35); border-radius: 0 7px 7px 0;
  background: rgba(255,255,255,.18); color: #fff; padding: 0 .7rem; cursor: pointer;
}
.nav-toggle-box, .nav-toggle { display: none; }

@media (max-width: 720px) {
  .nav-toggle {
    display: flex; flex-direction: column; gap: 4px; cursor: pointer;
    padding: .5rem; margin-left: auto; order: 2;
  }
  .nav-toggle span { width: 22px; height: 2px; background: #fff; }
  .header-search { order: 3; margin-left: 0; width: 100%; }
  .header-search input { width: 100%; max-width: none; }
  .site-nav { order: 4; display: none; width: 100%; }
  .nav-toggle-box:checked ~ .site-nav { display: block; }
  .site-nav ul { flex-direction: column; padding: .3rem 0 .5rem; }
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs { font-size: .85rem; margin-top: .8rem; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .25rem; margin: 0; padding: 0; }
.breadcrumbs li + li::before { content: "›"; margin-right: .25rem; color: var(--ink-faint); }
.breadcrumbs a { color: var(--ink-soft); }
.breadcrumbs [aria-current] { color: var(--ink-faint); }

/* ---------- Layout ---------- */
.layout { display: grid; grid-template-columns: 1fr; gap: 2rem; padding-bottom: 3rem; }
main { min-width: 0; }
@media (min-width: 1020px) {
  .layout { grid-template-columns: minmax(0, 1fr) 260px; max-width: 1160px; }
  .layout-single { grid-template-columns: minmax(0, var(--content)); justify-content: center; }
}
.sidebar { font-size: .92rem; }
@media (max-width: 1019px) { .sidebar { border-top: 1px solid var(--line); padding-top: 1rem; } }
.side-box {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
  padding: .9rem 1rem; margin-bottom: 1rem;
}
.side-box h2 { font-size: .95rem; margin: 0 0 .5rem; }
.side-box ul { list-style: none; padding: 0; margin: 0; }
.side-box li { margin-bottom: .45rem; }
.side-pattern { font-size: 1.9rem; font-weight: 700; margin: .2rem 0; color: var(--brand); }
.side-pattern span { font-size: .9rem; font-weight: 400; color: var(--ink-faint); }

/* ---------- Page head ---------- */
.page-head { margin-top: 1.2rem; }
.page-meta { color: var(--ink-soft); font-size: .92rem; display: flex; flex-wrap: wrap; gap: .35rem .5rem; align-items: center; }
.last-verified-inline { color: var(--accent); font-weight: 600; }
.last-verified { color: var(--accent); font-weight: 600; font-size: .92rem; }

/* ---------- Quick answer ---------- */
.quick-answer {
  background: var(--bg-accent); border: 1px solid #cfdcf0; border-left: 4px solid var(--brand-soft);
  border-radius: var(--radius); padding: .9rem 1.1rem; margin: 1.2rem 0;
}
.quick-answer h2 {
  margin: 0 0 .35rem; font-size: .8rem; text-transform: uppercase;
  letter-spacing: .08em; color: var(--brand-soft);
}
.quick-answer p { margin: 0; font-size: 1.02rem; }

/* ---------- Tables ---------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 0 1rem; }
.spec-table { border-collapse: collapse; width: 100%; font-size: .95rem; }
.spec-table th, .spec-table td {
  border: 1px solid var(--line); padding: .5rem .65rem; text-align: left;
  vertical-align: top; white-space: nowrap;
}
.spec-table td { white-space: normal; }
.spec-table thead th { background: var(--bg-soft); position: sticky; top: 0; }
.spec-table tbody tr:nth-child(even) { background: #fafbfd; }
.spec-table-kv th { width: 38%; background: var(--bg-soft); font-weight: 600; white-space: normal; }
.spec-note { font-size: .92rem; color: var(--ink-soft); }
[data-sortable] thead th { cursor: pointer; user-select: none; }
[data-sortable] thead th::after { content: " ↕"; color: var(--ink-faint); font-size: .8em; }
[data-sortable] thead th.sorted-asc::after { content: " ↑"; color: var(--brand-soft); }
[data-sortable] thead th.sorted-desc::after { content: " ↓"; color: var(--brand-soft); }

/* ---------- Chips ---------- */
.chip {
  display: inline-block; padding: .1rem .55rem; border-radius: 999px;
  font-family: var(--mono); font-size: .82rem; font-weight: 700; line-height: 1.5;
  border: 1px solid transparent;
}
.chip-m4 { background: #eae4f8; color: #4c2f8f; border-color: #c9b8ef; }
.chip-m6 { background: #e1f0e6; color: #1d5c33; border-color: #a4d6b4; }
.chip-m8 { background: #fdeadd; color: #8a4310; border-color: #f2c49b; }
.chip-list { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; }
.chip-link {
  font-family: inherit; font-weight: 600; text-decoration: none;
  background: var(--bg-soft); color: var(--brand); border: 1px solid var(--line);
  padding: .3rem .8rem;
}
.chip-link:hover { border-color: var(--brand-soft); background: var(--bg-accent); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: .5rem 1rem; border-radius: 8px; text-decoration: none;
  border: 1px solid var(--brand-soft); color: var(--brand); font-weight: 600; font-size: .95rem;
  background: #fff; cursor: pointer;
}
.btn:hover { background: var(--bg-accent); }
.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-soft); color: #fff; }
.btn-amazon { background: #fff7e6; border-color: #e7b84e; color: #6b4b0f; }
.btn-amazon:hover { background: #fdefcd; color: #4d3608; }

/* ---------- Cards ---------- */
.card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem 1.1rem; background: #fff;
}
.card h2, .card h3 { margin-top: 0; }
.card-list { display: grid; gap: .9rem; margin: 1rem 0; }
.mount-card { display: flex; gap: .9rem; }
.card-icon { flex: 0 0 auto; color: var(--brand-soft); margin-top: .2rem; }
.card-body { min-width: 0; }
.card-body h3 { margin: 0 0 .25rem; }
.card-meta { font-size: .85rem; color: var(--ink-faint); margin-bottom: .4rem; }
.card-why { font-size: .92rem; color: var(--ok-ink); background: var(--ok-bg); border-radius: 6px; padding: .35rem .6rem; }
.card-note { font-size: .88rem; color: var(--ink-soft); }
.card-cta { margin: .5rem 0 0; }

.brand-grid, .guide-list { list-style: none; display: grid; gap: .9rem; padding: 0; }
@media (min-width: 640px) { .brand-grid { grid-template-columns: 1fr 1fr; } }
.brand-grid h3 { margin: 0 0 .2rem; }

/* ---------- Hero / home ---------- */
.hero { text-align: center; padding: 2.2rem 0 .6rem; }
.hero h1 { font-size: 1.9rem; max-width: 24ch; margin: 0 auto .6rem; }
.hero-sub { color: var(--ink-soft); max-width: 58ch; margin: 0 auto 1.4rem; }
.hero-hint { font-size: .9rem; color: var(--ink-faint); margin-top: .8rem; }
.tool-cards { display: grid; gap: 1rem; }
@media (min-width: 640px) { .tool-cards { grid-template-columns: 1fr 1fr; } }
.tool-card {
  display: block; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.1rem 1.2rem; text-decoration: none; color: var(--ink); background: #fff;
}
.tool-card:hover { border-color: var(--brand-soft); box-shadow: 0 2px 10px rgba(16, 49, 92, .08); color: var(--ink); }
.tool-card svg { color: var(--accent); }
.tool-card h3 { margin: .5rem 0 .3rem; color: var(--brand); }
.tool-card p { margin: 0; font-size: .93rem; color: var(--ink-soft); }

/* ---------- Search forms ---------- */
.search-form { display: flex; gap: 0; max-width: 560px; margin: 0 auto; position: relative; }
.search-form input {
  flex: 1; min-width: 0; padding: .65rem .9rem; font-size: 1rem;
  border: 2px solid var(--brand-soft); border-right: 0; border-radius: 8px 0 0 8px;
}
.search-form input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.search-form button {
  padding: .65rem 1rem; font-size: .95rem; font-weight: 600; cursor: pointer;
  background: var(--brand); color: #fff; border: 2px solid var(--brand); border-radius: 0 8px 8px 0;
  white-space: nowrap;
}
.search-form button:hover { background: var(--brand-soft); border-color: var(--brand-soft); }

/* Suggestions dropdown (JS-added) */
.suggest-box {
  position: absolute; z-index: 50; top: 100%; left: 0; right: 0;
  background: #fff; border: 1px solid var(--line); border-radius: 0 0 8px 8px;
  box-shadow: 0 8px 20px rgba(16,49,92,.12); max-height: 300px; overflow-y: auto;
  list-style: none; margin: 0; padding: 0; text-align: left;
}
.suggest-box li { border-top: 1px solid var(--bg-soft); }
.suggest-box a { display: block; padding: .5rem .8rem; text-decoration: none; color: var(--ink); font-size: .92rem; }
.suggest-box a:hover, .suggest-box .active a { background: var(--bg-accent); }
.header-search { position: relative; }
.header-search .suggest-box { min-width: 280px; right: 0; left: auto; }

/* ---------- Tool panels & verdicts ---------- */
.tool-panel {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.1rem; margin: 1.2rem 0;
}
.tool-panel .search-form { margin: 0; max-width: none; }
.fit-form { display: grid; gap: .9rem; }
.fit-row { display: grid; gap: .25rem; }
.fit-row label { font-weight: 600; font-size: .92rem; }
.fit-form select {
  width: 100%; padding: .55rem .6rem; font-size: .95rem;
  border: 1px solid var(--ink-faint); border-radius: 8px; background: #fff;
}
.fit-form .btn { justify-self: start; }
.tool-result { margin-top: 1.5rem; }

.verdict { border-radius: var(--radius); padding: 1rem 1.2rem; margin: 1.2rem 0; border: 1px solid; }
.verdict-label { font-size: 1.25rem; font-weight: 800; letter-spacing: .02em; margin: 0 0 .5rem; }
.verdict ul { margin: 0; }
.verdict-ok   { background: var(--ok-bg);   color: var(--ok-ink);   border-color: var(--ok-line); }
.verdict-warn { background: var(--warn-bg); color: var(--warn-ink); border-color: var(--warn-line); }
.verdict-bad  { background: var(--bad-bg);  color: var(--bad-ink);  border-color: var(--bad-line); }

/* ---------- Callouts & info blocks ---------- */
.callout { border-radius: var(--radius); padding: .8rem 1.1rem; margin: 1rem 0; border: 1px solid; }
.callout p { margin: 0; }
.callout-warn { background: var(--warn-bg); border-color: var(--warn-line); color: var(--warn-ink); }
.double-check {
  background: var(--warn-bg); border: 1px solid var(--warn-line);
  border-radius: var(--radius); padding: .9rem 1.1rem; margin: 1.5rem 0;
}
.double-check h2 { margin: 0 0 .5rem; font-size: 1.05rem; color: var(--warn-ink); }
.double-check ul { margin: 0; color: var(--warn-ink); }
.stand-fit {
  background: var(--bg-soft); border: 1px solid var(--line); border-left: 4px solid var(--accent);
  border-radius: var(--radius); padding: .9rem 1.1rem; margin: 1.5rem 0;
}
.stand-fit h2 { margin: 0 0 .5rem; font-size: 1.05rem; }
.remote-box {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: .9rem 1.1rem; margin: 1.5rem 0; background: #fff;
}
.remote-box h2 { margin: 0 0 .5rem; font-size: 1.05rem; }
.remote-box li { margin-bottom: .7rem; }
.remote-box .btn { margin-left: .4rem; padding: .2rem .7rem; font-size: .85rem; }
.sources { border-top: 1px solid var(--line); margin-top: 2rem; padding-top: .5rem; font-size: .95rem; }
.faq h3 { color: var(--brand); }
.steps li { margin-bottom: .6rem; }

.accessory-cta {
  display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem;
  background: var(--bg-soft); border: 1px dashed var(--line); border-radius: var(--radius);
  padding: .7rem 1rem; margin: .8rem 0; font-size: .93rem;
}
.accessory-cta p { margin: 0; flex: 1 1 260px; }
.fits-note { color: var(--ink-faint); }
.affiliate-note { font-size: .85rem; color: var(--ink-faint); }

/* ---------- Figures ---------- */
.pattern-figure { margin: 1.2rem 0; text-align: center; color: var(--ink-soft); }
.pattern-figure figcaption { font-size: .85rem; color: var(--ink-faint); margin-top: .3rem; }

/* ---------- Related ---------- */
.related-grid { list-style: none; padding: 0; display: grid; gap: .4rem; }
@media (min-width: 640px) { .related-grid { grid-template-columns: 1fr 1fr; } }
.related-hubs { list-style: none; padding: .6rem 0 0; display: flex; flex-wrap: wrap; gap: .5rem 1.2rem; border-top: 1px dashed var(--line); }

/* ---------- Ads ---------- */
.ad-box { margin: 1.5rem 0; text-align: center; }
.ad-label {
  display: block; font-size: .68rem; text-transform: uppercase; letter-spacing: .1em;
  color: var(--ink-faint); margin-bottom: .25rem;
}
.ad-after_intro, .ad-in_article, .ad-before_faq { min-height: 120px; }
.ad-sidebar { min-height: 250px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-soft); border-top: 1px solid var(--line); margin-top: 2rem; font-size: .9rem; }
.footer-grid { display: grid; gap: 1.2rem; grid-template-columns: 1fr; padding: 1.6rem 1rem; }
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(4, 1fr); max-width: 1160px; } }
.footer-h { font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; margin: 0 0 .5rem; color: var(--ink-soft); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .35rem; }
.site-footer a { color: var(--ink-soft); }
.footer-note { padding-bottom: 1.6rem; color: var(--ink-faint); font-size: .82rem; max-width: 1160px; }

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .sidebar, .ad-box, .header-search, .related,
  .breadcrumbs, .accessory-cta, .btn, .skip-link { display: none !important; }
  .layout { display: block; }
  body { font-size: 12pt; color: #000; }
  a { color: #000; text-decoration: none; }
  .quick-answer, .double-check, .verdict { border: 1pt solid #999; }
  .spec-table th, .spec-table td { border: 1pt solid #999; }
  h1 { font-size: 18pt; }
  #sources a::after { content: " (" attr(href) ")"; font-size: 9pt; color: #444; }
}