/* Zinsser Singapore static twins — Clay & Shell theme.
   Shared by /pages/shop/zinsser.html and /pages/shop/zinsser/*.html.
   Palette: cream #f6efe9, shell #e7d5c8, clay #b06a4f, umber #3d2e28.
   Fonts: Libre Baskerville (serif headings), IBM Plex Sans (body). */
@import url("https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap");

:root {
  --cream: #f6efe9;
  --shell: #e7d5c8;
  --clay: #b06a4f;
  --umber: #3d2e28;
  --umber-soft: rgba(61, 46, 40, 0.72);
  --hairline: #d9c6b8;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--cream);
  color: var(--umber);
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
img { max-width: 100%; height: auto; }
a { color: var(--clay); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 72rem; margin: 0 auto; padding: 0 1.5rem; }
.wrap-narrow { max-width: 48rem; margin: 0 auto; padding: 0 1.5rem; }

/* Nav */
.znav { border-bottom: 1px solid var(--hairline); background: var(--cream); }
.znav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.5rem; max-width: 72rem; margin: 0 auto; }
.znav-brand { font-family: "Libre Baskerville", serif; font-size: 1.05rem; color: var(--umber); }
.znav-brand span { color: var(--clay); }
.znav-links { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.znav-links a { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--umber-soft); }
.znav-links a:hover { color: var(--clay); text-decoration: none; }

/* Type */
.eyebrow { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.24em; color: var(--umber-soft); margin: 0 0 1.5rem; }
h1, h2, h3 { font-family: "Libre Baskerville", serif; font-weight: 700; line-height: 1.15; letter-spacing: -0.01em; color: var(--umber); }
h1 { font-size: 2.4rem; margin: 0 0 1.5rem; }
h2 { font-size: 1.7rem; margin: 3rem 0 1rem; padding-top: 2rem; border-top: 1px solid var(--hairline); }
h3 { font-size: 1.15rem; margin: 2rem 0 0.5rem; }
h2 em, h1 em { color: var(--clay); font-style: italic; }
.lede { font-size: 1.1rem; line-height: 1.7; color: var(--umber-soft); max-width: 36rem; }
.mono { font-family: "IBM Plex Mono", monospace; }

/* Bands */
.band { padding: 3.5rem 0; }
.band-head { padding: 3.5rem 0 2.5rem; }
.band-alt { background: rgba(231, 213, 200, 0.45); border-top: 1px solid var(--hairline); }
.band-rule { border-top: 2px solid var(--umber); }
.band-center { text-align: center; }
.band-center .lede { margin-left: auto; margin-right: auto; }

/* Buttons */
.btnrow { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.btnrow.center { justify-content: center; }
.btn {
  display: inline-block; padding: 0.8rem 1.75rem; min-height: 44px;
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.18em;
  border: 1px solid var(--umber); color: var(--umber); background: transparent;
}
.btn:hover { background: var(--umber); color: var(--cream); text-decoration: none; }
.btn-clay { border-color: var(--clay); color: var(--clay); }
.btn-clay:hover { background: var(--clay); color: var(--cream); }

/* Card grids (hairline) */
.grid-cards { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); margin-top: 2.5rem; }
@media (min-width: 768px) {
  .grid-cards.cols-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-cards.cols-3 { grid-template-columns: repeat(3, 1fr); }
}
.card { background: var(--cream); padding: 1.75rem; display: block; color: var(--umber); }
a.card:hover { background: var(--shell); text-decoration: none; }
.card .num { font-family: "IBM Plex Mono", monospace; font-size: 0.72rem; letter-spacing: 0.18em; color: var(--clay); margin: 0 0 0.75rem; }
.card .kicker { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.24em; color: var(--umber-soft); margin: 0 0 0.75rem; }
.card h3 { margin: 0 0 0.5rem; font-size: 1.2rem; }
.card p { margin: 0; font-size: 0.9rem; color: var(--umber-soft); }
.card .go { margin-top: 1.25rem; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--clay); }

/* Hero figure */
.hero-fig { margin: 0; width: 100%; overflow: hidden; }
.hero-fig img { display: block; width: 100%; height: auto; }
.figcap { margin-top: 0.5rem; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--umber-soft); }

/* Callout (bordered fact band) */
.callout { border-top: 1px solid var(--umber); border-bottom: 1px solid var(--umber); padding: 1.5rem 0; margin: 2.5rem 0; }
.callout .label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.24em; color: var(--umber-soft); margin: 0 0 0.5rem; }
.callout p { margin: 0; font-size: 1.1rem; }

/* Tables */
.spec { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.92rem; }
.spec th { text-align: left; text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.7rem; font-weight: 500; color: var(--umber-soft); border-bottom: 1px solid var(--umber); padding: 0.75rem; }
.spec td { border-bottom: 1px solid var(--hairline); padding: 0.75rem; vertical-align: top; }
.spec td:first-child { font-weight: 500; }

/* Swatch grid */
.swatches { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); margin: 2rem 0; }
@media (min-width: 640px) { .swatches { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .swatches { grid-template-columns: repeat(4, 1fr); } }
.swatch { background: var(--cream); margin: 0; }
.swatch .chip { display: block; width: 100%; aspect-ratio: 4 / 5; }
.swatch figcaption { padding: 1rem; border-top: 1px solid var(--hairline); }
.swatch .pxa { font-family: "IBM Plex Mono", monospace; font-size: 0.65rem; letter-spacing: 0.06em; color: var(--clay); margin: 0 0 0.35rem; }
.swatch .name { font-family: "Libre Baskerville", serif; font-style: italic; font-size: 1rem; margin: 0 0 0.35rem; }
.swatch .desc { font-size: 0.78rem; color: var(--umber-soft); margin: 0; line-height: 1.45; }

/* Breadcrumb */
.crumbs { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.24em; color: var(--umber-soft); margin-bottom: 2.5rem; }
.crumbs a { color: var(--umber-soft); }
.crumbs a:hover { color: var(--clay); }

/* FAQ */
.faq h3 { font-size: 1.05rem; margin: 1.75rem 0 0.35rem; }
.faq p { margin: 0; color: var(--umber-soft); }

/* Related grid */
.related { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); }
@media (min-width: 768px) { .related { grid-template-columns: repeat(2, 1fr); } }

/* Footer */
.zfoot { border-top: 1px solid var(--hairline); margin-top: 3rem; padding: 2.5rem 0; background: var(--shell); }
.zfoot-inner { max-width: 72rem; margin: 0 auto; padding: 0 1.5rem; display: grid; gap: 2rem; }
@media (min-width: 768px) { .zfoot-inner { grid-template-columns: 2fr 1fr 1fr; } }
.zfoot h4 { font-family: "IBM Plex Sans", sans-serif; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.24em; color: var(--umber-soft); margin: 0 0 0.75rem; }
.zfoot ul { list-style: none; margin: 0; padding: 0; }
.zfoot li { margin-bottom: 0.4rem; }
.zfoot a { color: var(--umber); font-size: 0.9rem; }
.zfoot p { font-size: 0.85rem; color: var(--umber-soft); margin: 0 0 0.4rem; }
.zfoot .legal { max-width: 72rem; margin: 2rem auto 0; padding: 1.5rem 1.5rem 0; border-top: 1px solid var(--hairline); font-size: 0.8rem; color: var(--umber-soft); }

@media (min-width: 768px) {
  h1 { font-size: 3.2rem; }
  h2 { font-size: 2rem; }
  .band { padding: 5rem 0; }
  .band-head { padding: 5rem 0 3rem; }
}