:root {
  color-scheme: light;
  --page: #f5f8f2;
  --paper: #fffef9;
  --ink: #182e28;
  --muted: #4d6258;
  --dark: #16473d;
  --mint: #d9e9dc;
  --line: #d7e1d7;
  --sans: "Instrument Sans", system-ui, sans-serif;
  --serif: "Instrument Serif", Georgia, serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--page); color: var(--ink); font: 16px/1.55 var(--sans); }
img { max-width: 100%; display: block; }
a { color: inherit; text-underline-offset: .22em; }
button, input, select { font: inherit; color: inherit; }
button, summary, select { cursor: pointer; }
button:focus-visible, summary:focus-visible, a:focus-visible, select:focus-visible, input:focus-visible, [tabindex]:focus-visible { outline: 2px solid #196c57; outline-offset: 4px; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2 { font-family: var(--serif); font-weight: 400; line-height: .98; letter-spacing: -.027em; }
h3 { font-weight: 600; }
[hidden] { display: none !important; }
.shell { width: min(1250px, calc(100% - 96px)); margin-inline: auto; }
.sr-only, .skip:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; clip-path: inset(50%); overflow: hidden; white-space: nowrap; }
.skip:focus { position: absolute; z-index: 5; inset: 8px auto auto 10px; background: var(--paper); padding: 10px 14px; }

.top { border-bottom: 1px solid var(--line); }
.top-inner { display: flex; min-height: 72px; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; gap: 9px; align-items: center; text-decoration: none; font-size: 19px; letter-spacing: -.045em; font-weight: 600; white-space: nowrap; }
.brand strong { font-weight: 700; }
.top-nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 30px; color: var(--muted); font-size: 14px; }
.top-nav a, .foot nav a { text-decoration: none; }
.top-nav a:hover, .foot nav a:hover { text-decoration: underline; }
.top-nav [aria-current] { font-weight: 700; color: var(--dark); }
.disclosure { position: relative; }
.disclosure summary, .faq summary { list-style: none; }
.disclosure summary::-webkit-details-marker, .faq summary::-webkit-details-marker { display: none; }
.region { z-index: 4; }
.region summary { display: flex; gap: 8px; align-items: center; font-size: 13px; font-weight: 700; white-space: nowrap; padding: 8px 11px; border: 1px solid var(--line); border-radius: 7px; }
.flyout { position: absolute; z-index: 3; display: grid; width: max-content; min-width: 202px; top: calc(100% + 8px); right: 0; background: var(--paper); border: 1px solid var(--line); border-radius: 9px; padding: 6px; box-shadow: 0 8px 24px #142e2220; }
.flyout a { text-decoration: none; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 14px; padding: 8px 10px; border-radius: 4px; }
.flyout a:hover, .flyout a[aria-current] { background: var(--mint); }
.flyout small { color: var(--muted); font-size: 11px; font-weight: 700; }
.category-flyout { grid-template-columns: repeat(2, minmax(0, 1fr)); right: auto; left: 0; min-width: min(360px, calc(100vw - 32px)); max-height: 58vh; overflow: auto; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 11px; min-height: 44px; padding: 10px 15px; border: 1px solid transparent; border-radius: 6px; font-weight: 600; font-size: 14px; text-decoration: none; line-height: 1.24; }
.button.solid { color: #f6fff8; background: var(--dark); }
.button.solid:hover { background: #0e332a; }
.button.outline { border-color: #a9bdb0; background: transparent; color: var(--dark); }
.button.outline:hover { background: var(--mint); }
.text-link, .inline-link { font-size: 14px; font-weight: 700; color: var(--dark); }
.text-link:hover, .inline-link:hover { color: #12614d; }

.hero { display: grid; grid-template-columns: minmax(0, .91fr) minmax(0, 1.09fr); align-items: center; gap: clamp(28px, 4.8vw, 76px); padding-block: 44px 52px; }
.hero-copy { position: relative; }
.eyebrow { color: var(--dark); letter-spacing: .13em; font-weight: 700; font-size: 11px; text-transform: uppercase; }
.hero h1 { margin-top: 12px; font-size: clamp(61px, 6.7vw, 108px); max-width: 8.5ch; line-height: .89; }
.hero-description { max-width: 42ch; margin-top: 21px; color: var(--muted); font-size: clamp(16px, 1.37vw, 20px); }
.hero-actions { display: flex; align-items: flex-start; flex-wrap: wrap; gap: 10px; margin-top: 25px; }
.inline-link { display: inline-block; margin-top: 16px; }
.hero-figure, .guide-image { position: relative; overflow: hidden; border-radius: 11px; background: var(--mint); }
.hero-figure img { width: 100%; height: auto; aspect-ratio: 1.52; object-fit: cover; }
figcaption { position: absolute; bottom: 10px; right: 10px; padding: 4px 8px; background: #f5f8f2f0; color: var(--dark); border-radius: 4px; font-size: 10px; font-weight: 600; }

.directory { background: var(--paper); padding: 35px 0 56px; border-block: 1px solid var(--line); }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 18px 30px; margin-bottom: 22px; }
.section-head h2, .guide-preview h2, .faq h2, .comparison h2 { font-size: clamp(39px, 4.3vw, 65px); }
.section-head p, .comparison-head p { color: var(--muted); margin-top: 9px; }
.section-head .text-link { margin-bottom: 3px; }
.catalog-tools { display: grid; grid-template-columns: minmax(160px,1fr) minmax(130px, .38fr) max-content; gap: 9px; }
.search-box, .filter-box { background: var(--page); border: 1px solid #c4d3c9; border-radius: 6px; min-width: 0; display: flex; align-items: center; }
.search-box { gap: 10px; padding-left: 13px; }
.search-box > span[aria-hidden] { font-size: 21px; line-height: 1; color: var(--dark); }
.search-box input, .filter-box select { min-width: 0; width: 100%; border: 0; border-radius: 5px; background: transparent; padding: 10px; min-height: 44px; }
.search-box input { padding-left: 0; }
.search-box input::placeholder { color: var(--muted); opacity: 1; }
.filter-box select { padding-right: 7px; text-overflow: ellipsis; }
.compare-jump span { display: grid; place-items: center; min-width: 23px; padding: 3px 5px; border-radius: 100px; background: var(--mint); }
.catalog-notes { margin: 12px 0 21px; color: var(--muted); font-size: 13px; }
.catalog-notes a { text-decoration-color: #9bab9e; }
.category-tip { margin: 0 0 16px; padding: 10px 12px; background: var(--page); border-left: 2px solid #90ae9e; color: var(--muted); font-size: 14px; }
.catalog-notes p + p { margin-top: 3px; }
.product-grid { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.product { min-width: 0; display: flex; flex-direction: column; overflow: hidden; border-radius: 9px; border: 1px solid var(--line); }
.product-image { display: block; background: #eef2ea; overflow: hidden; }
.product-image:focus-visible { outline-offset: -3px; }
.product-image img { width: 100%; height: auto; aspect-ratio: 1.26; object-fit: contain; mix-blend-mode: multiply; }
.product-info { display: flex; flex: 1; flex-direction: column; padding: 12px 14px 10px; border-top: 1px solid var(--line); }
.product-group { color: var(--muted); text-transform: uppercase; font-size: 10px; letter-spacing: .09em; font-weight: 700; }
.product h3 { flex: 1; padding-block: 4px 9px; font-size: 15px; line-height: 1.3; overflow-wrap: anywhere; }
.prices { display: flex; flex-wrap: wrap; align-items: baseline; gap: 3px 9px; font-variant-numeric: tabular-nums; font-size: 13px; }
.prices strong { color: var(--dark); font-size: 16px; }
.prices span { color: var(--muted); white-space: nowrap; }
.product-actions { display: flex; align-items: center; justify-content: space-between; margin-top: 10px; padding-top: 8px; border-top: 1px solid var(--line); min-height: 46px; gap: 5px; }
.product-actions a { font-size: 13px; color: var(--dark); font-weight: 600; }
.compare-add { flex: none; display: grid; place-items: center; border-radius: 5px; border: 1px solid #bfd0c4; background: var(--page); color: var(--dark); width: 34px; height: 34px; font-size: 21px; line-height: 1; }
.compare-add:hover, .compare-add[aria-pressed="true"] { background: var(--mint); }
.no-results { padding: 16px; background: var(--page); border-radius: 7px; }

.comparison { margin-top: 34px; padding: clamp(16px, 3vw, 34px); background: var(--page); border: 1px solid var(--line); border-radius: 10px; }
.comparison h2 { font-size: clamp(33px, 3.6vw, 49px); }
.comparison-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
#comparison-empty { margin-top: 16px; color: var(--muted); }
#comparison-feedback { margin-block: 8px; color: var(--dark); }
#comparison-feedback:empty { margin: 0; }
.comparison-scroll { margin-top: 16px; overflow: auto; }
.comparison table { width: 100%; border-collapse: collapse; font-size: 14px; text-align: start; }
.comparison th, .comparison td { text-align: start; border: 1px solid var(--line); padding: 10px 11px; min-width: 130px; vertical-align: top; }
.comparison thead th { background: var(--mint); }
.comparison table button { border: 0; background: transparent; padding: 0; text-decoration: underline; text-underline-offset: .2em; color: var(--dark); }

.guide-preview { display: grid; grid-template-columns: 1fr 1fr; gap: 28px clamp(20px, 7vw, 96px); align-items: center; padding-block: 65px; }
.guide-copy ul { list-style: none; padding: 0; margin: 17px 0 20px; }
.guide-copy li { border-bottom: 1px solid var(--line); padding: 11px 0; }
.guide-copy li p { color: var(--muted); font-size: 15px; margin-top: 2px; }
.guide-image img { width: 100%; height: auto; }
.faq { display: grid; grid-template-columns: .7fr 1.3fr; gap: 23px clamp(25px, 5vw, 68px); padding-block: 36px 68px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary { padding: 13px 0; font-weight: 600; display: flex; justify-content: space-between; gap: 20px; }
.faq summary::after { content: "+"; color: var(--dark); }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding-bottom: 14px; color: var(--muted); }
.foot { background: #e3eee1; border-top: 1px solid var(--line); }
.foot-inner { padding-block: 26px; display: flex; align-items: center; justify-content: space-between; gap: 20px 42px; }
.foot p { color: var(--muted); font-size: 14px; margin-top: 7px; max-width: 54ch; }
.foot nav { display: flex; flex-wrap: wrap; gap: 10px 18px; font-size: 14px; }
.guide-page { padding-block: 36px 72px; }
.guide-page h1 { max-width: 19ch; margin-top: 20px; font-size: clamp(51px, 6.8vw, 93px); }
.guide-intro { margin-top: 22px; color: var(--muted); font-size: 19px; max-width: 62ch; }
.guide-layout { display: grid; grid-template-columns: 1.12fr .88fr; gap: 36px; align-items: start; margin-top: 32px; }
.guide-steps { background: var(--paper); border: 1px solid var(--line); border-radius: 9px; padding: 0 clamp(16px, 3vw, 35px); }
.guide-steps section { padding-block: 22px; }
.guide-steps section + section { border-top: 1px solid var(--line); }
.guide-steps h2 { font-size: 32px; }
.guide-steps p { margin-top: 9px; color: var(--muted); }
.guide-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 25px; }

@media (max-width: 1100px) {
  .shell { width: calc(100% - 64px); }
  .hero h1 { font-size: clamp(57px, 7.8vw, 91px); }
}
@media (max-width: 760px) {
  .shell { width: calc(100% - 36px); }
  .top-inner { min-height: 60px; flex-wrap: wrap; gap: 0 10px; padding-top: 8px; }
  .top-nav { width: 100%; order: 1; justify-content: flex-start; gap: 15px; padding: 8px 0; font-size: 13px; }
  .hero { grid-template-columns: 1fr; gap: 25px; padding-block: 32px 34px; }
  .hero h1 { font-size: clamp(61px, 12vw, 83px); }
  .hero-actions { margin-top: 18px; }
  .hero-description { margin-top: 17px; }
  .section-head { align-items: flex-start; flex-direction: column; gap: 7px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .catalog-tools { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .search-box { grid-column: 1 / -1; }
  .product-info { padding: 9px; }
  .guide-preview, .faq, .guide-layout { grid-template-columns: 1fr; }
  .guide-preview { padding-block: 38px; }
  .faq { padding-bottom: 42px; }
  .foot-inner { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 400px) {
  .hero-actions { position: relative; }
  .category-dropdown { position: static; }
  .category-flyout { left: 0; right: auto; }
  .button { padding-inline: 11px; }
  .comparison-head { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}