/*
Theme Name: Smart Thermostat
Theme URI: https://smartthermostat.ca
Author: smartthermostat.ca
Description: Custom theme for smartthermostat.ca — independent smart thermostat reviews, buying guides, and rebate tracking for Canada and the United States. Built around the site's sourcing-confidence transparency: every review discloses how well-sourced it is.
Version: 1.0.0
Requires at least: 6.4
Requires PHP: 7.4
Text Domain: smartthermostat
*/

@font-face {
  font-family: 'Big Shoulders';
  src: url('assets/fonts/BigShoulders-Variable.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-stretch: 75% 100%;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('assets/fonts/Inter-Variable.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --paper: #fdfcfa;
  --paper-raised: #ffffff;
  --paper-sunken: #f2f1ec;
  --ink: #1a1916;
  --ink-soft: #66604f;
  --ink-faint: #948c78;
  --line: #e6e2d6;

  --heat: #a8541c;
  --heat-strong: #8a4315;
  --heat-tint: #a8541c14;
  --cool: #1b6e6a;
  --cool-strong: #14504d;
  --cool-tint: #1b6e6a14;

  --strong-c: #1b6e6a;
  --partial-c: #b9832e;
  --thin-c: #96897a;

  --radius-s: 3px;
  --radius-m: 6px;
  --shadow-card: 0 2px 6px #1a19160f, 0 1px 2px #1a191608;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #16181a;
    --paper-raised: #1e2022;
    --paper-sunken: #101112;
    --ink: #f2eee4;
    --ink-soft: #a69c8c;
    --ink-faint: #746b5d;
    --line: #2b2d2e;

    --heat: #e2812e;
    --heat-strong: #f2994a;
    --heat-tint: #e2812e26;
    --cool: #4fbdb6;
    --cool-strong: #6ed0c9;
    --cool-tint: #4fbdb626;

    --strong-c: #4fbdb6;
    --partial-c: #d9a54a;
    --thin-c: #7a7365;

    --shadow-card: 0 1px 2px #00000040, 0 1px 1px #00000030;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #16181a; --paper-raised: #1e2022; --paper-sunken: #101112;
  --ink: #f2eee4; --ink-soft: #a69c8c; --ink-faint: #746b5d; --line: #2b2d2e;
  --heat: #e2812e; --heat-strong: #f2994a; --heat-tint: #e2812e26;
  --cool: #4fbdb6; --cool-strong: #6ed0c9; --cool-tint: #4fbdb626;
  --strong-c: #4fbdb6; --partial-c: #d9a54a; --thin-c: #7a7365;
  --shadow-card: 0 1px 2px #00000040, 0 1px 1px #00000030;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --paper: #fdfcfa; --paper-raised: #ffffff; --paper-sunken: #f2f1ec;
  --ink: #1a1916; --ink-soft: #66604f; --ink-faint: #948c78; --line: #e6e2d6;
  --heat: #a8541c; --heat-strong: #8a4315; --heat-tint: #a8541c14;
  --cool: #1b6e6a; --cool-strong: #14504d; --cool-tint: #1b6e6a14;
  --strong-c: #1b6e6a; --partial-c: #b9832e; --thin-c: #96897a;
  --shadow-card: 0 2px 6px #1a19160f, 0 1px 2px #1a191608;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
@media (prefers-reduced-motion: no-preference) {
  .ring-seg { transition: stroke-dashoffset 1.1s cubic-bezier(.16,1,.3,1); }
  .reveal { animation: rise .6s cubic-bezier(.16,1,.3,1) both; }
}
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

a { color: inherit; }
:focus-visible { outline: 2px solid var(--heat); outline-offset: 2px; }
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 0 0 var(--radius-s) 0;
}
.skip-link:focus { left: 0; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 28px; }
.wrap-narrow { max-width: 760px; margin: 0 auto; padding: 0 28px; }
@media (max-width: 420px) {
  .wrap, .wrap-narrow { padding: 0 18px; }
}
.mono { font-family: ui-monospace, 'SF Mono', 'Cascadia Code', Menlo, Consolas, monospace; font-variant-numeric: tabular-nums; }
.eyebrow {
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 12.5px;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
h1, h2, h3, .display {
  font-family: 'Big Shoulders', sans-serif;
  font-weight: 700;
  font-stretch: 85%;
  text-wrap: balance;
  letter-spacing: -0.01em;
  margin: 0;
}

/* ---------- header ---------- */
header.site {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-family: 'Big Shoulders', sans-serif;
  font-weight: 700;
  font-stretch: 85%;
  font-size: 22px;
  letter-spacing: -0.01em;
}
.logo-mark { flex: none; border-radius: 50%; }
.site-links {
  display: flex;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 14.5px;
  font-weight: 500;
}
.site-links a { text-decoration: none; color: var(--ink-soft); }
.site-links a:hover, .site-links .current-cat-parent a { color: var(--ink); }
.nav-right { display: flex; align-items: center; gap: 14px; }
.locale-toggle {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 12px;
  letter-spacing: .04em;
}
.locale-toggle a {
  padding: 6px 12px;
  color: var(--ink-faint);
  text-decoration: none;
}
.locale-toggle a.active { background: var(--ink); color: var(--paper); }

.nav-search-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; flex: none;
  border: 1px solid var(--line); border-radius: var(--radius-s);
  background: var(--paper-raised); color: var(--ink); padding: 0; cursor: pointer;
}
.nav-search-toggle:hover { border-color: var(--ink-faint); }
.nav-search-toggle svg { width: 17px; height: 17px; }
.nav-search { display: none; border-top: 1px solid var(--line); background: var(--paper); padding: 18px 0; }
.nav-search.is-open { display: block; }
.nav-search .search-form { margin: 0; max-width: 480px; }

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

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: var(--paper-raised);
  padding: 0;
}
.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
}
.nav-toggle-bars { position: relative; }
.nav-toggle-bars::before, .nav-toggle-bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bars::before { top: -5px; }
.nav-toggle-bars::after { top: 5px; }

.mobile-menu {
  display: none;
  border-top: 1px solid var(--line);
  background: var(--paper);
  padding: 18px 0 22px;
}
.mobile-menu ul { list-style: none; margin: 0; padding: 0 28px; display: flex; flex-direction: column; gap: 2px; }
.mobile-menu a { display: block; padding: 11px 0; text-decoration: none; color: var(--ink); font-size: 16px; font-weight: 500; border-bottom: 1px solid var(--line); }
.mobile-menu .mobile-locale { margin: 16px 28px 0; width: auto; }
.mobile-menu .mobile-locale a { border-bottom: none; padding: 8px 14px; font-size: 13px; }

@media (max-width: 880px) {
  .site-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-menu.is-open { display: block; }
}
body.menu-open { overflow: hidden; }

/* ---------- hero ---------- */
.hero { padding: 72px 0 84px; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
@media (max-width: 880px) { .hero-grid { grid-template-columns: 1fr; } }
.hero h1 { font-size: clamp(40px, 5.4vw, 68px); line-height: .98; margin-top: 14px; }
.hero h1 em { font-style: normal; color: var(--heat); }
.hero-sub { margin: 22px 0 0; max-width: 46ch; color: var(--ink-soft); font-size: 17px; }
.hero-cta { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: var(--radius-s);
  font-weight: 600; font-size: 14.5px; text-decoration: none; border: 1px solid transparent;
  cursor: pointer; background: none;
}
.btn-primary { background: var(--heat); color: #fff9f2; }
.btn-primary:hover { background: var(--heat-strong); }
.btn-ghost { border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink-faint); }
.btn-amazon { background: #ff9900; color: #0f1111; border-color: #a06000; }
.btn-amazon:hover { background: #e88a00; }
.hero .article-disclosure { margin: 14px 0 0; max-width: 46ch; }

.gauge-card { background: var(--paper-raised); border: 1px solid var(--line); border-radius: var(--radius-m); box-shadow: var(--shadow-card); padding: 28px 26px 24px; }
.gauge-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; flex-wrap: wrap; gap: 4px 12px; }
.gauge-head .eyebrow { margin: 0; }
.gauge-body { display: flex; align-items: center; gap: 22px; margin-top: 14px; flex-wrap: wrap; }
.ring-wrap { position: relative; width: 168px; height: 168px; flex: none; }
.ring-wrap svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.ring-center .n { font-size: 34px; font-weight: 700; letter-spacing: -0.02em; }
.ring-center .l { font-size: 10px; color: var(--ink-faint); letter-spacing: .06em; text-transform: uppercase; margin-top: 2px; }
.legend { display: flex; flex-direction: column; gap: 10px; font-size: 13.5px; }
.legend-row { display: flex; align-items: center; gap: 9px; }
.legend-row .sw { width: 9px; height: 9px; border-radius: 2px; flex: none; }
.legend-row .lbl { color: var(--ink-soft); flex: 1; }
.legend-row .v { font-weight: 600; }
.gauge-foot { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--ink-faint); line-height: 1.5; }
.gauge-foot a { color: var(--cool); text-decoration: underline; text-underline-offset: 2px; }

/* ---------- fork ---------- */
.fork { padding: 56px 0; border-bottom: 1px solid var(--line); }
.fork-head { max-width: 60ch; margin-bottom: 30px; }
.fork-head h2 { font-size: clamp(26px, 3vw, 34px); }
.fork-head p { color: var(--ink-soft); margin: 10px 0 0; }
.fork-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-m); overflow: hidden; }
.fork-card { background: var(--paper-raised); padding: 26px 26px 24px; }
.fork-card .tag { display: inline-block; font-family: ui-monospace, Menlo, monospace; font-size: 11px; letter-spacing: .06em; padding: 3px 8px; border-radius: 3px; margin-bottom: 12px; }
.fork-card.low .tag { background: var(--cool-tint); color: var(--cool-strong); }
.fork-card.line .tag { background: var(--heat-tint); color: var(--heat-strong); }
.fork-card h3 { font-size: 22px; margin-bottom: 8px; }
.fork-card p { color: var(--ink-soft); font-size: 14.5px; margin: 0 0 14px; }
.fork-terms { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.fork-terms span { font-family: ui-monospace, Menlo, monospace; font-size: 11.5px; background: var(--paper-sunken); border: 1px solid var(--line); border-radius: 3px; padding: 3px 7px; color: var(--ink-soft); }
.fork-card a.go { font-size: 14px; font-weight: 600; text-decoration: none; color: var(--ink); }
.fork-card a.go:hover { color: var(--heat); }
.fork-card a.go .arrow { display: inline-block; transition: transform .15s; }
.fork-card a.go:hover .arrow { transform: translateX(3px); }
@media (max-width: 880px) { .fork-grid { grid-template-columns: 1fr; } }

/* ---------- zones ---------- */
.zones { padding: 60px 0 20px; }
.zones-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 28px; gap: 20px; flex-wrap: wrap; }
.zones-head h2 { font-size: clamp(26px, 3vw, 34px); }
.zones-head p { color: var(--ink-soft); font-size: 14.5px; margin: 0; max-width: 42ch; }
.zone-grid { display: grid; grid-template-columns: repeat(6, 1fr); grid-auto-rows: minmax(150px, auto); gap: 14px; }
.zone { border: 1px solid var(--line); border-radius: var(--radius-m); background: var(--paper-raised); padding: 20px 20px 18px; display: flex; flex-direction: column; box-shadow: var(--shadow-card); }
.zone.z-reviews { grid-column: span 3; grid-row: span 2; }
.zone.z-guides { grid-column: span 3; grid-row: span 1; }
.zone.z-rebates { grid-column: span 3; grid-row: span 1; }
.zone.z-dr { grid-column: span 2; grid-row: span 1; }
.zone.z-comparisons { grid-column: span 2; grid-row: span 1; }
.zone.z-howto { grid-column: span 2; grid-row: span 1; }
.zone.z-install { grid-column: span 6; grid-row: span 1; }
.zone-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; flex-wrap: wrap; row-gap: 6px; }
.zone-cat { display: inline-flex; align-items: center; gap: 7px; font-family: ui-monospace, Menlo, monospace; font-size: 11.5px; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-soft); }
.zone-cat .dot { width: 8px; height: 8px; border-radius: 50%; flex: none; background: var(--accent-light); }
@media (prefers-color-scheme: dark) { .zone-cat .dot { background: var(--accent-dark); } }
:root[data-theme="dark"] .zone-cat .dot { background: var(--accent-dark); }
:root[data-theme="light"] .zone-cat .dot { background: var(--accent-light); }
.zone-count { font-family: ui-monospace, Menlo, monospace; font-size: 12.5px; color: var(--ink-faint); }
.zone h3 { font-size: 19px; margin-bottom: 4px; }
.zone-list { list-style: none; margin: 6px 0 0; padding: 0; display: flex; flex-direction: column; gap: 7px; flex: 1; }
.zone-list a { text-decoration: none; color: var(--ink); font-size: 13.5px; line-height: 1.4; display: block; }
.zone-list a:hover { color: var(--heat); }
.zone.z-reviews .zone-list a { font-size: 14.5px; }
.zone-more { margin-top: auto; padding-top: 10px; font-size: 12.5px; font-weight: 600; text-decoration: none; color: var(--ink-soft); }
.zone-more:hover { color: var(--heat); }
.zone.z-install .install-row { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 4px; }
.zone.z-install .install-row a { text-decoration: none; color: var(--ink); font-size: 13.5px; }
.zone.z-install .install-row a:hover { color: var(--heat); }
.zone.z-install p { color: var(--ink-soft); font-size: 13.5px; margin: 0 0 10px; max-width: 60ch; }
@media (max-width: 880px) {
  .zone-grid { grid-template-columns: repeat(2, 1fr); }
  .zone.z-reviews, .zone.z-guides, .zone.z-rebates, .zone.z-install { grid-column: span 2; }
  .zone.z-reviews { grid-row: span 1; }
}
@media (max-width: 600px) {
  .zone-grid { grid-template-columns: 1fr; }
  .zone.z-reviews, .zone.z-guides, .zone.z-rebates, .zone.z-dr, .zone.z-comparisons, .zone.z-howto, .zone.z-install {
    grid-column: span 1;
    grid-row: span 1;
  }
}

/* ---------- method ---------- */
.method { padding: 70px 0; border-top: 1px solid var(--line); margin-top: 50px; background: var(--paper-sunken); }
.method-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 50px; align-items: start; }
.method h2 { font-size: clamp(24px, 3vw, 32px); }
.method p.lead { color: var(--ink-soft); margin: 14px 0 0; max-width: 46ch; }
.method-cols { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.mcol { border-left: 3px solid var(--line); padding-left: 14px; }
.mcol.strong { border-color: var(--strong-c); }
.mcol.partial { border-color: var(--partial-c); }
.mcol.thin { border-color: var(--thin-c); }
.mcol .n { font-family: 'Big Shoulders', sans-serif; font-weight: 700; font-stretch: 85%; font-size: 32px; line-height: 1; }
.mcol .lbl { font-family: ui-monospace, Menlo, monospace; font-size: 11.5px; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-faint); margin: 6px 0 8px; }
.mcol p { font-size: 13.5px; color: var(--ink-soft); margin: 0; }
@media (max-width: 880px) { .method-grid { grid-template-columns: 1fr; } .method-cols { grid-template-columns: 1fr; gap: 16px; } }

/* ---------- category / country badges (used in cards + single) ---------- */
.cat-badge { display: inline-flex; align-items: center; gap: 6px; font-family: ui-monospace, Menlo, monospace; font-size: 11px; letter-spacing: .05em; text-transform: uppercase; text-decoration: none; color: var(--accent-light); }
.cat-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
@media (prefers-color-scheme: dark) { .cat-badge { color: var(--accent-dark); } }
:root[data-theme="dark"] .cat-badge { color: var(--accent-dark); }
:root[data-theme="light"] .cat-badge { color: var(--accent-light); }
.country-badge { font-family: ui-monospace, Menlo, monospace; font-size: 10.5px; letter-spacing: .05em; border: 1px solid var(--line); border-radius: 3px; padding: 1px 5px; color: var(--ink-faint); }

/* ---------- post cards (archive/search/related) ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 880px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .card-grid { grid-template-columns: 1fr; } }
.post-card { border: 1px solid var(--line); border-radius: var(--radius-m); background: var(--paper-raised); overflow: hidden; box-shadow: var(--shadow-card); display: flex; flex-direction: column; }
.post-card-thumb { display: block; aspect-ratio: 1200 / 630; background: var(--paper-sunken); }
.post-card-thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.post-card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.post-card-title { font-size: 18px; line-height: 1.22; }
.post-card-title a { text-decoration: none; color: var(--ink); }
.post-card-title a:hover { color: var(--heat); }
.post-card-excerpt { font-family: 'Inter', sans-serif; font-weight: 400; font-size: 13.5px; color: var(--ink-soft); margin: 0; line-height: 1.5; }

/* ---------- archive / search ---------- */
.archive-header { padding: 48px 0 30px; border-bottom: 1px solid var(--line); }
.archive-header .eyebrow { margin-bottom: 8px; }
.archive-header h1 { font-size: clamp(30px, 4vw, 44px); }
.archive-header p { color: var(--ink-soft); margin: 12px 0 0; max-width: 60ch; }
.archive-body { padding: 44px 0 70px; }
.pagination { margin-top: 48px; }
.pagination ul { list-style: none; display: flex; gap: 8px; padding: 0; margin: 0; font-family: ui-monospace, Menlo, monospace; font-size: 13px; }
.pagination a, .pagination span { display: inline-flex; align-items: center; justify-content: center; min-width: 34px; height: 34px; padding: 0 10px; border: 1px solid var(--line); border-radius: var(--radius-s); text-decoration: none; color: var(--ink-soft); }
.pagination a:hover { border-color: var(--ink-faint); color: var(--ink); }
.pagination .current { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ---------- single article ---------- */
.article-header { padding: 44px 0 30px; border-bottom: 1px solid var(--line); }
.article-meta-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; row-gap: 8px; }
.article-header h1 { font-size: clamp(30px, 4.4vw, 46px); line-height: 1.03; }
.article-dek { color: var(--ink-soft); font-size: 17px; margin: 16px 0 0; max-width: 65ch; }
.article-thumb { margin: 30px 0 0; border-radius: var(--radius-m); overflow: hidden; border: 1px solid var(--line); }
.article-body { padding: 44px 0 70px; }
.article-body .wrap-narrow { font-size: 17px; line-height: 1.7; }
.article-body h2 { font-size: 27px; margin: 2.1em 0 .6em; font-stretch: 95%; }
.article-body h3 { font-size: 20px; margin: 1.8em 0 .5em; font-stretch: 100%; font-weight: 600; }
.article-body p { margin: 0 0 1.15em; }
.article-body ul, .article-body ol { margin: 0 0 1.15em; padding-left: 1.3em; }
.article-body li { margin-bottom: .4em; }
.article-body strong { font-weight: 650; }
.article-body a { color: var(--heat); text-decoration: underline; text-underline-offset: 2px; }
.article-body blockquote { margin: 1.6em 0; padding: 4px 0 4px 18px; border-left: 3px solid var(--cool); color: var(--ink-soft); font-size: 15.5px; }
.article-body table { width: 100%; border-collapse: collapse; margin: 1.6em 0; font-size: 14.5px; }
.article-body th, .article-body td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; }
.article-body th { background: var(--paper-sunken); font-weight: 600; }
.article-body code { font-family: ui-monospace, Menlo, monospace; background: var(--paper-sunken); padding: .1em .35em; border-radius: 3px; font-size: .92em; }
.article-body pre { overflow-x: auto; background: var(--paper-sunken); padding: 14px 16px; border-radius: var(--radius-s); }
.article-table-wrap { overflow-x: auto; }
.article-body .in-article-ad {
  margin: 2em 0;
  padding-top: .3em;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.article-body .in-article-ad::before {
  content: "Advertisement";
  display: block;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 10.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: center;
  margin: .6em 0;
}
.article-disclosure { margin: 0 0 1.6em; padding: 12px 16px; background: var(--paper-sunken); border-radius: var(--radius-s); font-size: 13.5px; color: var(--ink-soft); }
.amazon-box { background: var(--paper-raised); border: 1px solid var(--line); border-radius: var(--radius-m); box-shadow: var(--shadow-card); padding: 20px 22px; margin: 1.8em 0; }
.amazon-box-title { font-weight: 700; font-size: 12.5px; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-soft); margin: 0 0 12px; }
.amazon-links { display: flex; gap: 10px; flex-wrap: wrap; }
.article-body a.btn-amazon { color: #0f1111; text-decoration: none; }
.article-body a.btn-amazon:hover { color: #0f1111; }
.related { padding: 10px 0 70px; border-top: 1px solid var(--line); margin-top: 20px; }
.related h2 { font-size: 22px; margin-bottom: 20px; padding-top: 44px; }

/* ---------- misc pages ---------- */
.page-body { padding: 44px 0 80px; }
.page-body .wrap-narrow h1 { font-size: clamp(30px, 4vw, 42px); margin-bottom: .6em; }
.search-form { display: flex; gap: 10px; margin: 24px 0 0; max-width: 480px; }
.search-form input[type="search"] { flex: 1; padding: 11px 14px; border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--paper-raised); color: var(--ink); font-size: 15px; }
.error-404 { padding: 90px 0; text-align: left; }
.error-404 h1 { font-size: clamp(48px, 8vw, 96px); color: var(--heat); }

/* ---------- footer ---------- */
footer.site { padding: 44px 0 40px; border-top: 1px solid var(--line); margin-top: 40px; }
.foot-grid { display: flex; justify-content: space-between; align-items: flex-start; gap: 30px; flex-wrap: wrap; }
.foot-brand .logo { margin-bottom: 10px; }
.foot-brand p { color: var(--ink-faint); font-size: 13px; max-width: 40ch; margin: 0; }
.foot-links { display: flex; gap: 50px; flex-wrap: wrap; }
@media (max-width: 560px) { .foot-links { gap: 30px 40px; } }
.foot-col h4 { font-size: 12px; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-faint); margin: 0 0 12px; font-weight: 600; font-family: ui-monospace, Menlo, monospace; }
.foot-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.foot-col a { text-decoration: none; color: var(--ink-soft); font-size: 13.5px; }
.foot-col a:hover { color: var(--ink); }
.foot-bottom { margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 12px; color: var(--ink-faint); }