:root {
  --ink: #102a2e;
  --ink-soft: #40585b;
  --night: #06282d;
  --teal: #0d5b60;
  --mint: #d6eee8;
  --lime: #c9e45b;
  --paper: #f7f6ef;
  --white: #fff;
  --line: #cbd9d5;
  --shadow: 0 22px 60px rgba(6, 40, 45, .13);
  --radius: 1.25rem;
  --shell: min(1180px, calc(100% - 2.5rem));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  overflow-wrap: break-word;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--teal); text-underline-offset: .18em; }
a:hover { text-decoration-thickness: .14em; }
button, input { font: inherit; }
:focus-visible { outline: 3px solid #f2d83f; outline-offset: 4px; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link {
  position: fixed; z-index: 100; left: 1rem; top: 1rem; padding: .7rem 1rem;
  color: var(--night); background: var(--lime); font-weight: 800; transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: relative; z-index: 10; color: var(--white); background: var(--night);
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.header-inner { min-height: 5.25rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .8rem; color: inherit; text-decoration: none; line-height: 1; }
.brand > span:last-child { display: flex; align-items: baseline; gap: .35rem; }
.brand strong { font-size: 1.08rem; letter-spacing: .01em; }
.brand small { color: var(--lime); font-size: .82rem; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
.brand-mark { position: relative; display: inline-block; width: 2.5rem; height: 2.5rem; border: 2px solid var(--lime); border-radius: 50%; }
.brand-mark::before, .brand-mark span:first-child, .brand-mark span:last-child {
  content: ""; position: absolute; height: 2px; left: .52rem; right: .52rem; background: var(--lime); transform: rotate(-35deg);
}
.brand-mark::before { top: .76rem; }
.brand-mark span:first-child { top: 1.17rem; }
.brand-mark span:last-child { top: 1.58rem; }
.site-header nav { display: flex; align-items: center; gap: .3rem; }
.site-header nav a { color: #e5f1ef; padding: .7rem .85rem; border-radius: .65rem; font-weight: 700; font-size: .94rem; text-decoration: none; }
.site-header nav a:hover, .site-header nav a[aria-current="page"] { color: var(--night); background: var(--lime); }

.hero { position: relative; min-height: 42rem; display: grid; align-items: center; overflow: hidden; color: var(--white); background: var(--night); }
.hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,29,33,.95) 0%, rgba(3,29,33,.8) 45%, rgba(3,29,33,.2) 100%); }
.hero-content { position: relative; padding-block: 6rem; }
.hero h1, .page-hero h1 { max-width: 14ch; margin: .4rem 0 1.25rem; color: var(--white); font-size: clamp(2.6rem, 6vw, 5.3rem); line-height: .98; letter-spacing: -.045em; }
.lead { max-width: 65ch; margin: 0; font-size: clamp(1.08rem, 2vw, 1.28rem); line-height: 1.6; color: #e5efed; }
.eyebrow { margin: 0 0 .5rem; color: var(--lime); font-size: .78rem; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow.dark { color: #436005; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 3.25rem; padding: .75rem 1.25rem; border-radius: .65rem; font-weight: 850; text-decoration: none; }
.button-primary { color: var(--night); background: var(--lime); }
.button-primary:hover { background: #deef91; }
.button-ghost { color: var(--white); border: 1px solid rgba(255,255,255,.65); background: rgba(6,40,45,.45); }
.button-ghost:hover { background: rgba(255,255,255,.12); }

.quick-nav { position: relative; z-index: 2; margin-top: -2rem; }
.quick-grid { display: grid; grid-template-columns: repeat(3, 1fr); box-shadow: var(--shadow); }
.quick-grid a { display: grid; grid-template-columns: auto 1fr; column-gap: .9rem; padding: 1.5rem; color: var(--ink); background: var(--white); text-decoration: none; border-right: 1px solid var(--line); }
.quick-grid a:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.quick-grid a:last-child { border: 0; border-radius: 0 var(--radius) var(--radius) 0; }
.quick-grid a:hover { background: #f1f9f6; }
.quick-grid span { grid-row: 1 / 3; color: #597174; font-weight: 900; }
.quick-grid strong { font-size: 1.08rem; }
.quick-grid small { color: var(--ink-soft); font-size: .9rem; }

.section { padding-block: clamp(4.5rem, 8vw, 7rem); }
.section-heading { max-width: 770px; margin-bottom: 2.4rem; }
h2 { margin: 0 0 1rem; font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.08; letter-spacing: -.035em; }
h3 { margin: 0 0 .6rem; font-size: 1.2rem; line-height: 1.25; }
p { margin-top: 0; }
.intro { font-size: 1.12rem; color: var(--ink-soft); }
.cards { display: grid; gap: 1rem; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.card { min-width: 0; padding: 1.7rem; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.card-number { display: block; margin-bottom: 1.7rem; color: var(--teal); font-weight: 900; font-size: .82rem; }
.card p { margin-bottom: 0; color: var(--ink-soft); }
.source-note { margin: 1.5rem 0 0; color: #4c6264; font-size: .9rem; }
.source-note a { font-weight: 700; }

.split-section { padding-block: clamp(4rem, 8vw, 7rem); background: #e8f0ec; }
.split-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); align-items: center; gap: clamp(2rem, 6vw, 6rem); }
.topic-links { display: grid; gap: .8rem; margin-top: 2rem; }
.topic-links a { position: relative; display: grid; gap: .2rem; padding: 1.2rem 3.5rem 1.2rem 1.2rem; color: var(--ink); background: var(--white); border-radius: .8rem; text-decoration: none; }
.topic-links a:hover { box-shadow: 0 10px 24px rgba(6,40,45,.1); transform: translateY(-2px); }
.topic-links span { color: var(--ink-soft); font-size: .92rem; }
.topic-links i { position: absolute; top: 50%; right: 1.2rem; color: var(--teal); font-style: normal; font-size: 1.5rem; transform: translateY(-50%); }
.image-card { margin: 0; padding: .75rem; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); transform: rotate(1.3deg); }
.image-card img { width: 100%; border-radius: .85rem; }
.image-card figcaption { padding: .75rem .4rem .15rem; color: var(--ink-soft); font-size: .88rem; }
.image-card.compact { transform: rotate(-1.2deg); }
.safety-grid { display: grid; grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr); align-items: center; gap: clamp(2rem, 6vw, 6rem); }
.check-list, .plain-list { display: grid; gap: .7rem; padding: 0; margin: 1.5rem 0 0; list-style: none; }
.check-list li, .plain-list li { position: relative; padding-left: 1.8rem; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: #3f5f00; font-weight: 900; }
.plain-list li::before { content: "—"; position: absolute; left: 0; top: 0; color: var(--teal); font-weight: 900; }

.search-section { padding-block: clamp(4.5rem, 8vw, 7rem); color: var(--white); background: var(--night); }
.search-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(320px, 1.15fr); gap: 1.5rem clamp(2rem, 6vw, 6rem); align-items: end; }
.search-grid h2 { max-width: 12ch; }
.search-grid p { color: #d2e3df; }
.product-search label { display: block; margin-bottom: .55rem; color: var(--white); font-weight: 800; }
.product-search > div { display: flex; padding: .42rem; background: var(--white); border-radius: .8rem; }
.product-search input { min-width: 0; flex: 1; padding: .78rem .9rem; color: var(--ink); border: 0; background: transparent; }
.product-search button { border: 0; padding: .75rem 1rem; color: var(--night); background: var(--lime); border-radius: .55rem; font-weight: 850; cursor: pointer; }
.product-search button:hover { background: #deef91; }
.search-tags { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: .55rem; }
.search-tags a { padding: .5rem .75rem; color: #eef7f5; border: 1px solid #6f8f8a; border-radius: 999px; text-decoration: none; font-size: .9rem; }
.search-tags a:hover { color: var(--night); background: var(--mint); }
.external-note { grid-column: 1 / -1; margin: -.7rem 0 0; font-size: .85rem; }

.faq-list { display: grid; gap: .8rem; max-width: 900px; }
.faq-list details { padding: 1.1rem 1.25rem; background: var(--white); border: 1px solid var(--line); border-radius: .8rem; }
.faq-list summary { cursor: pointer; font-weight: 850; }
.faq-list details p { margin: 1rem 0 .2rem; color: var(--ink-soft); }

.page-hero { padding-block: clamp(4rem, 9vw, 7rem); color: var(--white); background: radial-gradient(circle at 85% 20%, #14737a 0, transparent 28%), var(--night); }
.page-hero h1 { max-width: 17ch; font-size: clamp(2.5rem, 6vw, 4.8rem); }
.breadcrumbs { display: flex; gap: .6rem; margin-bottom: 3rem; color: #bdd2ce; font-size: .9rem; }
.breadcrumbs a { color: var(--white); }
.service-cards .card { border-top: 4px solid var(--teal); }
.editorial-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(270px, .75fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.note-panel { padding: 2rem; color: var(--white); background: var(--teal); border-radius: var(--radius); box-shadow: var(--shadow); }
.note-panel h2 { font-size: clamp(1.65rem, 3vw, 2.35rem); }
.note-panel p:last-child { margin-bottom: 0; }
.cta-band { padding-block: 2.5rem; color: var(--white); background: var(--teal); }
.cta-band .shell { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.cta-band h2 { margin: 0; font-size: clamp(1.6rem, 3vw, 2.5rem); }
.need-hero { background: radial-gradient(circle at 85% 20%, #4f710b 0, transparent 28%), var(--night); }
.process-grid { counter-reset: steps; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; padding: 0; list-style: none; }
.process-grid li { display: flex; gap: 1rem; padding: 1.5rem; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.process-grid li > span { flex: 0 0 2.5rem; height: 2.5rem; display: grid; place-items: center; color: var(--night); background: var(--lime); border-radius: 50%; font-weight: 900; }
.process-grid p { margin: 0; color: var(--ink-soft); }
.stack-list { display: grid; gap: 1.25rem; }
.stack-list > div { padding-bottom: 1.1rem; border-bottom: 1px solid #b9cbc6; }
.stack-list > div:last-child { border: 0; }
.stack-list p { margin: 0; color: var(--ink-soft); }
.do-dont-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.do-panel, .dont-panel { padding: 2rem; border-radius: var(--radius); }
.do-panel { background: #e0efc5; }
.dont-panel { background: #e4efec; }

.site-footer { padding-top: 4rem; color: #d9e7e4; background: #031d21; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .7fr .7fr; gap: 3rem; padding-bottom: 3rem; }
.footer-grid > div { display: flex; flex-direction: column; align-items: flex-start; gap: .55rem; }
.footer-grid p { max-width: 44ch; margin: .45rem 0 0; color: #aac0bc; }
.footer-grid > div > strong { margin-bottom: .5rem; color: var(--white); }
.footer-grid a { color: #d9e7e4; }
.footer-brand { color: var(--white); }
.alternate-domain { font-size: .86rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; padding-block: 1.2rem; color: #8ea8a3; border-top: 1px solid #244348; font-size: .82rem; }

@media (max-width: 820px) {
  .header-inner { align-items: flex-start; flex-direction: column; gap: .5rem; padding-block: 1rem; }
  .site-header nav { width: 100%; overflow-x: auto; padding-bottom: .25rem; }
  .site-header nav a { white-space: nowrap; }
  .hero { min-height: 38rem; }
  .hero-shade { background: rgba(3,29,33,.77); }
  .quick-grid, .cards.three, .split-grid, .safety-grid, .search-grid, .editorial-grid, .footer-grid { grid-template-columns: 1fr; }
  .quick-grid a { border-right: 0; border-bottom: 1px solid var(--line); }
  .quick-grid a:first-child { border-radius: var(--radius) var(--radius) 0 0; }
  .quick-grid a:last-child { border-radius: 0 0 var(--radius) var(--radius); }
  .image-card { max-width: 32rem; }
  .search-tags, .external-note { grid-column: auto; }
  .cta-band .shell { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  :root { --shell: min(100% - 1.25rem, 1180px); }
  .brand > span:last-child { flex-direction: column; align-items: flex-start; gap: .15rem; }
  .brand strong { font-size: .96rem; }
  .hero h1, .page-hero h1 { font-size: clamp(2.25rem, 13vw, 3.4rem); }
  .hero-content { padding-block: 4rem; }
  .hero-actions, .button { width: 100%; }
  .section { padding-block: 4rem; }
  .process-grid, .do-dont-grid { grid-template-columns: 1fr; }
  .product-search > div { flex-direction: column; gap: .35rem; }
  .product-search button { width: 100%; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@media (forced-colors: active) {
  .brand-mark, .card, .quick-grid a, .faq-list details { border: 1px solid CanvasText; }
  .hero-shade { background: Canvas; opacity: .75; }
}