/* Layout concept: instrument data-sheet catalog. Graph-paper image tiles with part codes,
   mono part numbers and prices, one sun-yellow action colour on a deep green frame. */
:root {
  --bg: #f3f5f0;
  --surface: #ffffff;
  --ink: #14211a;
  --muted: #55655b;
  --line: #d6ddd3;
  --grid: #e3e9e0;
  --tint: #e7eee6;
  --brand: #1b5a3a;
  --brand-ink: #ffffff;
  --sun: #f1b500;
  --sun-ink: #241b00;
  --ready: #1b6b43;
  --ready-bg: #dff0e5;
  --pre: #7a4b00;
  --pre-bg: #fbecc8;
  --focus: #0b5fd6;
  --font-display: "Prompt", "IBM Plex Sans Thai", system-ui, sans-serif;
  --font-body: "IBM Plex Sans Thai", "Noto Sans Thai", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1612;
    --surface: #16211b;
    --ink: #e7efe9;
    --muted: #9db0a4;
    --line: #28372e;
    --grid: #1d2b23;
    --tint: #1a2820;
    --brand: #1f6a45;
    --brand-ink: #f3fbf5;
    --sun: #f4c02a;
    --sun-ink: #241b00;
    --ready: #7fd6a3;
    --ready-bg: #19372a;
    --pre: #f1c978;
    --pre-bg: #3b2e12;
    --focus: #7fb1ff;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0e1612;
  --surface: #16211b;
  --ink: #e7efe9;
  --muted: #9db0a4;
  --line: #28372e;
  --grid: #1d2b23;
  --tint: #1a2820;
  --brand: #1f6a45;
  --brand-ink: #f3fbf5;
  --sun: #f4c02a;
  --sun-ink: #241b00;
  --ready: #7fd6a3;
  --ready-bg: #19372a;
  --pre: #f1c978;
  --pre-bg: #3b2e12;
  --focus: #7fb1ff;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
}
a { color: inherit; }
img { max-width: 100%; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

.shell { min-height: 100vh; display: flex; flex-direction: column; }
main {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding-block: 24px 56px;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  flex: 1;
}

/* header */
.top {
  background: var(--brand);
  color: var(--brand-ink);
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 20;
}
.top-in {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 20px;
  padding-block: 10px;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.sun {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--sun);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--sun) 35%, transparent);
  flex: none;
}
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: 18px; line-height: 1.1; display: flex; flex-direction: column; }
.brand-name small { font-family: var(--font-body); font-weight: 400; font-size: 12px; opacity: .8; letter-spacing: .02em; }
.search { position: relative; flex: 1 1 260px; min-width: 0; }
.search input {
  width: 100%;
  font: inherit; font-size: 15px;
  padding: 9px 14px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: var(--surface);
  color: var(--ink);
}
.search input::placeholder { color: var(--muted); }
.results {
  list-style: none; margin: 6px 0 0; padding: 4px;
  position: absolute; left: 0; right: 0; top: 100%;
  background: var(--surface); color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px;
  box-shadow: 0 12px 30px rgb(0 0 0 / .22);
  max-height: 60vh; overflow-y: auto;
}
.results a { display: flex; justify-content: space-between; gap: 12px; padding: 9px 10px; text-decoration: none; border-radius: 6px; font-size: 14px; line-height: 1.4; }
.results a:hover, .results a:focus-visible { background: var(--tint); }
.results a span { min-width: 0; overflow-wrap: anywhere; }
.results a b { font-family: var(--font-mono); font-weight: 500; white-space: nowrap; }
.results .none { padding: 10px; font-size: 14px; color: var(--muted); }
.nav { display: flex; gap: 16px; font-size: 14px; }
.nav a { text-decoration: none; opacity: .92; padding: 6px 0; }
.nav a:hover { text-decoration: underline; }

/* type */
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.25; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(26px, 4.4vw, 42px); }
h2 { font-size: clamp(21px, 2.8vw, 27px); }
h3 { font-size: 15px; font-family: var(--font-body); font-weight: 500; line-height: 1.45; }
.eyebrow { margin: 0 0 8px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.lede { font-size: 18px; color: var(--muted); max-width: 62ch; margin: 14px 0 0; }
.lede.narrow { margin: 6px 0 20px; font-size: 16px; }

/* hero */
.hero { padding-block: 36px 40px; border-bottom: 1px solid var(--line); }
.hero h1 { max-width: 26ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font: inherit; font-weight: 500; font-size: 15px;
  padding: 11px 20px; min-height: 44px;
  border-radius: 6px;
  border: 1.5px solid var(--ink);
  background: transparent; color: var(--ink);
  text-decoration: none; cursor: pointer;
}
.btn:hover { background: var(--tint); }
.sun-btn { background: var(--sun); color: var(--sun-ink); border-color: var(--sun); }
.sun-btn:hover { background: var(--sun); filter: brightness(.95); }

/* sections */
.sec { padding-top: 36px; }
.sec-h { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 6px 16px; margin-bottom: 16px; }
.sec-n { margin: 0; font-size: 13px; color: var(--muted); }
.more { font-size: 14px; color: var(--brand); font-weight: 500; }
:root[data-theme="dark"] .more { color: var(--sun); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .more { color: var(--sun); } }

.crumb { display: flex; flex-wrap: wrap; gap: 4px 8px; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.crumb a { text-decoration: none; }
.crumb a:hover { text-decoration: underline; }
.crumb-cur { overflow-wrap: anywhere; min-width: 0; }

/* categories */
.cats { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; }
.cat {
  display: flex; flex-direction: column; gap: 4px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
  min-width: 0;
}
.cat:hover { border-color: var(--brand); }
.cat-code { font-size: 12px; color: var(--brand); letter-spacing: .12em; font-weight: 500; }
:root[data-theme="dark"] .cat-code { color: var(--sun); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .cat-code { color: var(--sun); } }
.cat-name { font-family: var(--font-display); font-weight: 500; font-size: 17px; line-height: 1.35; }
.cat-meta { font-size: 13px; color: var(--muted); font-family: var(--font-mono); }

/* product grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; }
.card {
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  min-width: 0;
}
.card[hidden] { display: none; }
.card:hover { border-color: var(--brand); }
.card-body { padding: 12px; display: flex; flex-direction: column; gap: 10px; flex: 1; justify-content: space-between; }
.card h3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; }
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.price { font-family: var(--font-mono); font-weight: 500; font-size: 17px; font-variant-numeric: tabular-nums; }
.tag { font-size: 12px; padding: 2px 8px; border-radius: 99px; white-space: nowrap; }
.tag.ready { background: var(--ready-bg); color: var(--ready); }
.tag.pre { background: var(--pre-bg); color: var(--pre); }

/* image tile with graph-paper placeholder */
.thumb {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  background-color: var(--tint);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 16px 16px;
  display: grid; place-items: center;
  overflow: hidden;
}
.thumb::before {
  content: attr(data-code);
  font-family: var(--font-mono); font-size: 14px; letter-spacing: .16em;
  color: var(--muted);
}
.thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; background: #fff; }
.thumb img.x { display: none; }

/* chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.chip {
  font: inherit; font-size: 14px;
  padding: 7px 14px; min-height: 40px;
  border-radius: 99px;
  border: 1px solid var(--line);
  background: var(--surface); color: var(--ink);
  cursor: pointer;
}
.chip .mono { font-size: 12px; color: var(--muted); margin-left: 4px; }
.chip:hover { border-color: var(--brand); }
.chip[aria-pressed="true"] { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.chip[aria-pressed="true"] .mono { color: inherit; opacity: .85; }

/* product page */
.pd { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 32px; padding-top: 20px; align-items: start; }
.thumb.big { border: 1px solid var(--line); border-radius: 10px; }
.pd-info h1 { font-size: clamp(22px, 3.2vw, 32px); margin-bottom: 18px; overflow-wrap: anywhere; }
.spec { margin: 0; border-top: 1px solid var(--line); }
.spec > div { display: grid; grid-template-columns: 9em 1fr; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.spec dt { color: var(--muted); font-size: 14px; }
.spec dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.big-price { font-size: 28px; line-height: 1.2; }
.note { font-size: 14px; color: var(--muted); margin: 14px 0 0; }
.pd-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }

/* quote */
.quote {
  margin-top: 48px;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px;
  padding: 28px;
  background: var(--brand); color: var(--brand-ink);
  border-radius: 12px;
}
.quote h2 { margin-bottom: 10px; }
.quote p { margin: 0 0 10px; opacity: .92; }
.quote .eyebrow { color: inherit; opacity: .75; }
.line-id { font-size: 18px; }
.line-id .mono { font-size: 22px; color: var(--sun); font-weight: 500; }
.quote-r { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; min-width: 0; }
.quote-r label { font-size: 14px; opacity: .9; }
.quote textarea {
  width: 100%;
  font: inherit; font-size: 14px; line-height: 1.6;
  padding: 12px; border-radius: 8px;
  border: 1px solid transparent;
  background: var(--surface); color: var(--ink);
  resize: vertical;
}
.quote .btn:not(.sun-btn) { border-color: var(--brand-ink); color: var(--brand-ink); }
.quote .btn:not(.sun-btn):hover { background: rgb(255 255 255 / .12); }
.copied { font-size: 14px; color: var(--sun); }

/* footer */
.foot { border-top: 1px solid var(--line); background: var(--surface); }
.foot-in {
  max-width: 1160px; margin: 0 auto;
  display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 24px;
  padding-block: 28px;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  font-size: 14px;
}
.foot p { margin: 6px 0 0; color: var(--muted); }
.foot .fine { font-size: 13px; }

@media (max-width: 760px) {
  .pd, .quote, .foot-in { grid-template-columns: minmax(0, 1fr); }
  .quote { padding: 20px; }
  .spec > div { grid-template-columns: 7.5em 1fr; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
  .hero { padding-block: 24px 28px; }
  .nav { width: 100%; }
}
@media (prefers-reduced-motion: no-preference) {
  .card, .cat, .btn { transition: border-color .15s ease, background-color .15s ease; }
}

/* promise strip, warranty, store */
.promise { list-style: none; margin: 28px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.promise li { padding: 14px 16px 14px 0; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.promise b { font-family: var(--font-display); font-weight: 500; font-size: 16px; line-height: 1.35; }
.promise span { font-size: 14px; color: var(--muted); }

.warranty { margin-top: 36px; padding: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; }
.w-head { margin-bottom: 18px; }
.w-cols { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 16px; }
.w-col { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; padding: 20px; border: 1px solid var(--line); border-radius: 10px; min-width: 0; }
.w-col p { margin: 0; color: var(--muted); font-size: 15px; }
.w-col .btn { margin-top: auto; }
.w-col.best { background: var(--tint); border: 2px solid var(--brand); }
.w-badge { font-size: 13px; font-weight: 500; padding: 3px 12px; border-radius: 99px; background: var(--sun); color: var(--sun-ink); }
.w-badge.plain { background: var(--line); color: var(--ink); }
.w-col .w-big { font-family: var(--font-display); font-weight: 600; font-size: clamp(20px, 2.6vw, 26px); line-height: 1.3; color: var(--ink); }
.warranty .fine { margin: 14px 0 0; font-size: 13px; color: var(--muted); }

.store { margin-top: 44px; display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 28px; align-items: center; padding: 28px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.store h2 { margin-bottom: 10px; }
.store p { margin: 0 0 12px; color: var(--muted); }
.store-info { margin: 14px 0 18px; border-top: 1px solid var(--line); }
.store-info > div { display: grid; grid-template-columns: 7em 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.store-info dt { color: var(--muted); font-size: 14px; }
.store-info dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.store-r { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; }
.store-r p { font-size: 14px; margin: 0; }
.qr { width: 200px; height: 200px; border-radius: 8px; background: #fff; padding: 6px; border: 1px solid var(--line); image-rendering: pixelated; }
.store .hero-cta { margin-top: 4px; }
.foot a { color: inherit; }

@media (max-width: 760px) {
  .w-cols, .store { grid-template-columns: minmax(0, 1fr); }
  .warranty, .store { padding: 20px; }
  .store-r { align-items: flex-start; text-align: left; }
}

.nb { white-space: nowrap; }

/* ---------- solar ---------- */
.solar-hero h1 { max-width: 30ch; }
.pkg-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.pkg { display: flex; flex-direction: column; gap: 6px; padding: 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); text-decoration: none; color: inherit; min-width: 0; }
.pkg[hidden] { display: none; }
.pkg:hover { border-color: var(--brand); }
.pkg-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.pkg-code { font-size: 12px; color: var(--brand); letter-spacing: .08em; font-weight: 500; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .pkg-code { color: var(--sun); } }
.pkg-top .tag { font-size: 12px; text-align: right; white-space: normal; max-width: 100%; }
.pkg-kwp { margin: 4px 0 0; font-family: var(--font-display); font-size: 15px; color: var(--muted); }
.pkg-kwp b { font-size: 34px; line-height: 1; color: var(--ink); font-weight: 600; }
.pkg-sub { margin: 0; font-size: 14px; }
.pkg-kind { margin: 0; font-size: 13px; color: var(--muted); }
.pkg-foot { margin-top: auto; padding-top: 10px; display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 4px 10px; border-top: 1px dashed var(--line); }
.pkg-foot .price { font-size: 20px; }
.pkg-small { font-size: 12px; color: var(--muted); }

.sub-h { margin: 22px 0 10px; font-size: 16px; font-weight: 600; }
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th, .tbl td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl thead th { background: var(--tint); font-weight: 500; font-size: 13px; color: var(--muted); white-space: nowrap; }
.tbl tbody th { font-weight: 500; }
.tbl tbody tr:last-child th, .tbl tbody tr:last-child td { border-bottom: 0; }

.flow { display: flex; flex-wrap: wrap; align-items: stretch; gap: 8px; margin-bottom: 18px; }
.flow .fl { flex: 1 1 150px; border: 1px solid var(--line); background: var(--surface); border-radius: 10px; padding: 12px 14px; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.flow .fl b { font-family: var(--font-display); font-weight: 500; font-size: 15px; }
.flow .fl span { font-size: 13px; color: var(--muted); }
.flow .fl.batt { flex-basis: 100%; background: var(--tint); border-style: dashed; }
.flow i { align-self: center; font-style: normal; color: var(--muted); }
@media (max-width: 760px) { .flow i { display: none; } }

.steps { list-style: none; counter-reset: s; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }
.steps li { counter-increment: s; border: 1px solid var(--line); background: var(--surface); border-radius: 10px; padding: 16px 16px 16px 58px; position: relative; min-width: 0; }
.steps li::before { content: counter(s); position: absolute; left: 16px; top: 14px; width: 30px; height: 30px; border-radius: 50%; background: var(--brand); color: var(--brand-ink); display: grid; place-items: center; font-family: var(--font-mono); font-size: 14px; }
.steps h3 { font-family: var(--font-display); font-weight: 500; font-size: 16px; margin-bottom: 4px; }
.steps p { margin: 0; font-size: 14px; color: var(--muted); }

.cols2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.colbox { border: 1px solid var(--line); background: var(--surface); border-radius: 10px; padding: 16px 18px; min-width: 0; }
.colbox h3 { font-family: var(--font-display); font-weight: 500; font-size: 16px; margin-bottom: 8px; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.checks li { position: relative; padding-left: 24px; font-size: 15px; min-width: 0; overflow-wrap: anywhere; }
.checks li::before { content: ""; position: absolute; left: 2px; top: .5em; width: 9px; height: 5px; border-left: 2px solid var(--ready); border-bottom: 2px solid var(--ready); transform: rotate(-45deg); }
.checks.cols { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); column-gap: 24px; }

.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 14px 4px; font-family: var(--font-display); font-weight: 500; font-size: 16px; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--brand); }
.faq details[open] summary::after { content: "–"; }
.faq summary:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.faq p { margin: 0 0 14px; padding: 0 4px; color: var(--muted); max-width: 70ch; }

.tags { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { font-size: 13px; padding: 4px 12px; border: 1px solid var(--line); border-radius: 99px; background: var(--surface); color: var(--muted); }

.calc { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; padding: 20px; border: 1px solid var(--line); background: var(--surface); border-radius: 12px; align-items: start; }
.calc-in { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.calc-in label { font-size: 14px; color: var(--muted); }
.calc input, .calc select { font: inherit; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); width: 100%; max-width: 360px; }
.calc input:focus-visible, .calc select:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; }
.calc-out { margin: 0; padding: 14px 16px; background: var(--tint); border-radius: 10px; font-size: 15px; min-height: 5em; }
.calc-out a { color: var(--brand); font-weight: 500; }
.sec > .fine { margin: 12px 0 0; font-size: 13px; color: var(--muted); }

.kwp-tile { aspect-ratio: 1 / 1; max-height: 420px; border: 1px solid var(--line); border-radius: 10px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; text-align: center; padding: 20px;
  background-color: var(--surface); background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 24px 24px; }
.kt-code { font-size: 13px; letter-spacing: .12em; color: var(--brand); }
.kt-num { font-family: var(--font-display); font-weight: 600; font-size: clamp(64px, 12vw, 104px); line-height: 1; }
.kt-unit { font-family: var(--font-mono); font-size: 20px; color: var(--muted); }
.kt-sub { margin-top: 10px; font-size: 14px; color: var(--muted); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .kt-code { color: var(--sun); } }
.spec dd small { color: var(--muted); font-size: 13px; }
.tel { color: inherit; text-decoration: none; }
.solar-teaser .pkg-grid { margin-top: 4px; }
.nav .nav-sun { font-weight: 600; color: var(--sun); opacity: 1; }
@media (max-width: 760px) { .calc { grid-template-columns: minmax(0, 1fr); } .tbl th, .tbl td { padding: 9px 10px; } }

.nav { flex-wrap: wrap; }
.nav a { white-space: nowrap; }

.price small { font-family: var(--font-body); font-size: 12px; color: var(--muted); font-weight: 400; }

/* temperature landing pages */
.tbl-wrap { overflow-x: auto; margin: 4px 0 8px; }
.guide { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 560px; }
.guide th, .guide td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.guide thead th { font-family: var(--font-display); font-weight: 500; background: var(--surface); }
.guide tbody th { font-weight: 500; white-space: nowrap; }
.sub { font-family: var(--font-display); font-weight: 500; font-size: 19px; margin: 30px 0 12px; }
.checks { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 0; max-width: 70ch; }
.checks li { padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.checks li b { color: var(--ink, inherit); font-family: var(--font-display); font-weight: 500; margin-right: 6px; }