:root {
  --ink: #15191b;
  --ink-2: #4f585c;
  --paper: #ffffff;
  --paper-2: #f3f4f2;
  --rule: #d9ddda;
  --accent: #c4470a;
  --accent-dark: #9e3807;
  --dark: #15191b;
  --dark-2: #22292c;
  --on-dark: #eef0ee;
  --on-dark-2: #a9b2b5;
  --f-display: "Archivo", "Arial Narrow", Arial, sans-serif;
  --f-body: "IBM Plex Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --wrap: 1240px;
  --gut: clamp(16px, 4vw, 40px);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.6 var(--f-body); }
img, video { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--f-display); font-stretch: 85%; line-height: 1.05; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.4rem, 1.4rem + 4vw, 4.6rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 1.3rem + 1.8vw, 2.8rem); font-weight: 800; }
h3 { font-size: 1.3rem; font-weight: 700; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gut); }
.skip { position: absolute; left: -999px; top: 0; background: var(--accent); color: #fff; padding: 8px 12px; z-index: 20; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* Top bar and header */
.topbar { background: var(--dark); color: var(--on-dark-2); font-size: .8rem; }
.topbar .wrap { display: flex; justify-content: space-between; gap: 12px; padding-top: 6px; padding-bottom: 6px; flex-wrap: wrap; }
.topbar a { color: var(--on-dark); text-decoration: none; }
.site-header { background: var(--paper); border-bottom: 1px solid var(--rule); position: sticky; top: 0; z-index: 10; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark { font: 800 2rem/1 var(--f-display); font-stretch: 75%; background: var(--ink); color: #fff; padding: 6px 9px 4px; letter-spacing: .02em; }
.logo-sub { font: 600 .72rem/1.15 var(--f-body); text-transform: uppercase; letter-spacing: .08em; }
.logo-light .logo-mark { background: var(--accent); }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { text-decoration: none; font-weight: 500; font-size: .98rem; padding: 6px 0; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current] { border-color: var(--accent); }
.nav .btn { border-bottom: 0; }
.nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.nav-btn { display: none; }

/* Buttons */
.btn { display: inline-block; background: var(--accent); color: #fff !important; text-decoration: none; font-weight: 600; padding: 14px 24px; border: 2px solid var(--accent); transition: background .15s; }
.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-sm { padding: 9px 16px; }
.btn-ghost { background: transparent; border-color: currentColor; }
.btn-ghost:hover { background: rgba(255,255,255,.1); border-color: currentColor; }
.eyebrow { font: 600 .78rem/1 var(--f-body); text-transform: uppercase; letter-spacing: .14em; color: var(--accent); margin-bottom: 14px; }

/* Home hero */
.hero { position: relative; min-height: min(88vh, 760px); display: flex; align-items: flex-end; color: #fff; background: var(--dark); overflow: hidden; }
.hero video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,12,13,.15) 0%, rgba(10,12,13,.75) 100%); }
.hero .wrap { position: relative; z-index: 1; padding-top: 120px; padding-bottom: 72px; width: 100%; }
.hero h1 { max-width: 14ch; font-size: clamp(2.8rem, 1.4rem + 5.5vw, 6rem); }
.hero p { max-width: 46ch; font-size: 1.2rem; color: #e6e9e7; }
.hero .eyebrow { color: #ffb58c; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

/* Stats strip */
.stats { background: var(--dark); color: var(--on-dark); }
.stats ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); }
.stats li { padding: 28px 20px; border-left: 1px solid #333b3e; }
.stats li:first-child { border-left: 0; padding-left: 0; }
.stats b { display: block; font: 800 2.2rem/1 var(--f-display); font-stretch: 85%; color: #fff; }
.stats span { color: var(--on-dark-2); font-size: .9rem; }

/* Sections */
.section { padding: clamp(56px, 8vw, 104px) 0; }
.section-alt { background: var(--paper-2); }
.section-dark { background: var(--dark); color: var(--on-dark); }
.section-dark .lead, .section-dark p { color: var(--on-dark-2); }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 36px; flex-wrap: wrap; }
.section-head h2 { max-width: 20ch; margin: 0; }
.section-head p { max-width: 52ch; margin: 0; color: var(--ink-2); }
.lead { font-size: 1.2rem; color: var(--ink-2); max-width: 60ch; }
.more { font-weight: 600; text-decoration: none; border-bottom: 2px solid var(--accent); padding-bottom: 2px; }

/* Split feature with video */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.split video { width: 100%; aspect-ratio: 16/10; object-fit: cover; background: var(--dark-2); }
.checks { list-style: none; padding: 0; margin: 0 0 28px; }
.checks li { padding: 12px 0 12px 32px; border-bottom: 1px solid #333b3e; position: relative; }
.checks li::before { content: ""; position: absolute; left: 0; top: 20px; width: 14px; height: 8px; border-left: 3px solid var(--accent); border-bottom: 3px solid var(--accent); transform: rotate(-45deg); }
.section:not(.section-dark) .checks li { border-color: var(--rule); }

/* Cards */
.cards { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.cards li { background: var(--paper); }
.cards a { display: flex; flex-direction: column; height: 100%; padding: 24px 24px 20px; text-decoration: none; position: relative; min-height: 120px; transition: background .15s; }
.cards a:hover { background: var(--paper-2); }
.card-t { font: 700 1.2rem/1.15 var(--f-display); font-stretch: 90%; padding-right: 28px; }
.card-d { color: var(--ink-2); font-size: .93rem; margin-top: 8px; }
.card-arrow { position: absolute; right: 20px; top: 22px; color: var(--accent); font-weight: 700; transition: transform .15s; }
.cards a:hover .card-arrow { transform: translateX(4px); }
.cards.big a { min-height: 180px; }
.cards.big .card-t { font-size: 1.5rem; }
.section-dark .cards { background: #333b3e; border-color: #333b3e; }
.section-dark .cards li { background: var(--dark); }
.section-dark .cards a:hover { background: var(--dark-2); }
.section-dark .card-d { color: var(--on-dark-2); }

/* Inner page hero */
.page-hero { background: var(--dark); color: #fff; padding: 48px 0 56px; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 40px 40px; }
.page-hero h1 { max-width: 18ch; }
.page-hero .lead { color: #c9d0d2; }
.crumbs { font-size: .85rem; color: var(--on-dark-2); margin-bottom: 28px; }
.crumbs a { color: var(--on-dark-2); text-decoration: none; }
.crumbs a:hover { color: #fff; text-decoration: underline; }
.crumbs span { margin: 0 8px; }

/* Article layout */
.article { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(32px, 5vw, 80px); padding-top: clamp(48px, 6vw, 80px); padding-bottom: clamp(48px, 6vw, 80px); }
.prose { max-width: 70ch; }
.prose h2 { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); margin-top: 1.6em; }
.prose h2:first-child { margin-top: 0; }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: .4em; }
.prose li::marker { color: var(--accent); }
.faq { margin-top: 2.4em; border-top: 2px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--rule); padding: 16px 0; }
.faq summary { font-weight: 600; cursor: pointer; }
.faq details p { margin: 10px 0 0; color: var(--ink-2); }
.aside { display: flex; flex-direction: column; gap: 24px; }
.aside-box { border: 1px solid var(--rule); padding: 24px; }
.aside-box h3 { font-size: 1.1rem; }
.aside-box ul { list-style: none; padding: 0; margin: 0; }
.aside-box li a { display: block; padding: 7px 0; border-bottom: 1px solid var(--rule); text-decoration: none; font-size: .95rem; }
.aside-box li a:hover { color: var(--accent); }
.aside-dark { background: var(--dark); color: var(--on-dark); border: 0; }
.aside-dark p { color: var(--on-dark-2); font-size: .95rem; }
.aside-dark .tag-list { margin-bottom: 18px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; padding: 0; }
.tag-list li { font-size: .8rem; border: 1px solid #4a5357; padding: 3px 8px; }
.related { padding-bottom: clamp(48px, 6vw, 80px); }
.related h2 { font-size: 1.6rem; }

/* Index lists */
.az { columns: 3 240px; column-gap: 40px; list-style: none; padding: 0; }
.az li { break-inside: avoid; padding: 6px 0; border-bottom: 1px solid var(--rule); }
.az a { text-decoration: none; }
.az a:hover { color: var(--accent); }
.group + .group { margin-top: 56px; }

/* Team */
.people { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 24px; }
.people li { border-top: 3px solid var(--ink); padding-top: 14px; }
.people b { display: block; font: 700 1.2rem/1.2 var(--f-display); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.form label { display: block; font-weight: 600; font-size: .9rem; margin: 14px 0 6px; }
.form input, .form select, .form textarea { width: 100%; font: inherit; padding: 12px; border: 1px solid #b8bfbc; background: #fff; border-radius: 0; }
.form textarea { min-height: 130px; }
.form .btn { margin-top: 18px; border: 0; cursor: pointer; font: inherit; font-weight: 600; }
.notice { padding: 14px 16px; background: #e8f3ea; border-left: 4px solid #2d7a43; margin-bottom: 20px; }

/* CTA band and footer */
.cta-band { background: var(--accent); color: #fff; padding: 56px 0; }
.cta-band .wrap { display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
.cta-band h2 { margin-bottom: .3em; }
.cta-band p { margin: 0; max-width: 56ch; }
.cta-band .eyebrow { color: #ffd9c4; }
.cta-band .btn { background: #fff; color: var(--accent) !important; border-color: #fff; }
.cta-band .btn-ghost { background: transparent; color: #fff !important; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.site-footer { background: var(--dark); color: var(--on-dark-2); font-size: .92rem; padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 32px; }
.site-footer h3 { color: #fff; font-size: .82rem; font-family: var(--f-body); text-transform: uppercase; letter-spacing: .12em; margin-bottom: 14px; }
.site-footer a { color: var(--on-dark); text-decoration: none; }
.site-footer .footer-grid > div > a:not(.logo) { display: block; padding: 4px 0; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-base { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-top: 1px solid #333b3e; margin-top: 48px; padding-top: 20px; padding-bottom: 28px; font-size: .82rem; }

@media (max-width: 960px) {
  .nav-btn { display: flex; flex-direction: column; gap: 5px; cursor: pointer; padding: 10px; }
  .nav-btn span { width: 24px; height: 2px; background: var(--ink); }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); flex-direction: column; align-items: stretch; gap: 0; padding: 8px var(--gut) 20px; border-bottom: 1px solid var(--rule); }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--rule); }
  .nav .btn { margin-top: 14px; text-align: center; }
  .nav-toggle:checked ~ .nav { display: flex; }
  .split, .article, .contact-grid { grid-template-columns: 1fr; }
  .stats ul { grid-template-columns: repeat(2, 1fr); }
  .stats li:nth-child(3) { border-left: 0; padding-left: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .topbar .wrap > span:first-child { display: none; }
  .stats li { padding: 20px 12px; }
  .stats li:nth-child(odd) { border-left: 0; padding-left: 0; }
  .stats b { font-size: 1.7rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* Photos and diagrams */
.photo { margin: 0 0 2em; }
.photo img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--paper-2); }
.photo figcaption, .diagram figcaption { font-size: .8rem; color: var(--ink-2); margin-top: 8px; }
.diagram { margin: 2em 0; padding: 20px; border: 1px solid var(--rule); background: var(--paper); }
.diagram svg { width: 100%; height: auto; display: block; }
.hub-band .photo { margin: 0; }
.hub-band .diagram { margin: 0; }
.safety-band .photo figcaption { color: var(--on-dark-2); }
.dg text { font-family: var(--f-body); }
.dg-box, .dg-chip, .dg-prov { fill: var(--paper-2); stroke: var(--rule); stroke-width: 1.5; }
.dg-box.on, .dg-chip.on { fill: var(--ink); stroke: var(--ink); }
.dg-prov.on { fill: #fbeee6; stroke: var(--accent); }
.dg-step { font-size: 11px; font-weight: 600; letter-spacing: .12em; fill: var(--accent); }
.dg-lbl { font-size: 17px; font-weight: 600; fill: var(--ink); }
.dg-lbl.on, .dg-clbl.on, .dg-num.on { fill: #fff; }
.dg-prov.on ~ .dg-lbl.on { fill: var(--ink); }
.dg-clbl { font-size: 15px; font-weight: 500; fill: var(--ink-2); }
.dg-cap { font-size: 11px; font-weight: 600; letter-spacing: .12em; fill: var(--ink-2); }
.dg-sm { font-size: 13px; fill: var(--ink-2); }
.dg-arrow, .dg-line { fill: none; stroke: var(--ink-2); stroke-width: 1.5; }
.dg-dot, .dg-star { fill: var(--accent); }
.dg-node { fill: var(--paper); stroke: var(--rule); stroke-width: 2; }
.dg-node.done { fill: var(--paper-2); stroke: var(--ink-2); }
.dg-node.on { fill: var(--accent); stroke: var(--accent); }
.dg-num { font-size: 13px; font-weight: 600; fill: var(--ink); }
.dg-city { fill: var(--ink-2); }
.dg-city.on { fill: var(--accent); }
.split > *, .article > * { min-width: 0; }
.photo .ph { aspect-ratio: 16 / 9; background: var(--paper-2) repeating-linear-gradient(45deg, transparent 0 14px, rgba(0,0,0,.03) 14px 28px); display: flex; align-items: center; justify-content: center; color: var(--ink-2); font-size: .85rem; }
.photo img { height: auto; }
.cards { background: none; border: 0; gap: 0; }
.cards li { border: 1px solid var(--rule); margin: 0 -1px -1px 0; }
.section-dark .cards li { border-color: #333b3e; }

/* search */
.nav-search { display: inline-flex; align-items: center; gap: 6px; }
.nav-search span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.search { max-width: 860px; }
.search-form { display: flex; gap: 10px; }
.search-form input { flex: 1; min-width: 0; font: inherit; font-size: 1.1rem; padding: 14px 16px; border: 2px solid var(--ink); border-radius: 2px; background: var(--paper); color: var(--ink); }
.search-form input:focus { outline: none; border-color: var(--accent); }
.search-count { color: var(--ink-2); margin: 18px 0 8px; min-height: 1.5em; }
.search-results { list-style: none; padding: 0; margin: 0; }
.search-results li { border-top: 1px solid var(--rule); }
.search-results a { display: grid; gap: 4px; padding: 18px 0; text-decoration: none; }
.search-results a:hover .sr-t { color: var(--accent); }
.sr-sec { font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.sr-t { font-weight: 600; font-size: 1.12rem; }
.sr-d { color: var(--ink-2); font-size: .95rem; }

/* brochure band */
.brochure-band { background: var(--paper-2); }
.brochure { display: grid; grid-template-columns: auto 1fr auto; gap: 32px; align-items: center; }
.brochure h2 { margin-bottom: .3em; }
.brochure p { margin: 0; max-width: 60ch; }
.brochure-icon { color: var(--accent); }
@media (max-width: 760px) {
  .brochure { grid-template-columns: 1fr; gap: 16px; }
  .nav-search span { position: static; width: auto; height: auto; clip: auto; }
}