/* CDPH — blueprint engineering. Signature: dimension-line section frames. */
:root {
  --navy: #0A2540;
  --navy-2: #0B2A4A;
  --paper: #F3F6F9;
  --ink: #0A2540;
  --ink-2: #3D5470;
  --cyan: #5CC8FF;
  --line-blue: #1F6FB2;
  --signal: #FF7A1A;
  --hair: rgba(255, 255, 255, .12);
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --wrap: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 17px/1.65 var(--sans); color: var(--ink); background: var(--paper); overflow-wrap: break-word; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--line-blue); }
a:hover { color: var(--navy); }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* blueprint grid surfaces */
.site-header, .hero, .page-head, .cta-panel, .site-footer {
  background-color: var(--navy);
  background-image:
    linear-gradient(var(--hair) 1px, transparent 1px),
    linear-gradient(90deg, var(--hair) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  color: #fff;
}
.site-header { background-size: 24px 24px; background-image: none; border-bottom: 1px solid var(--hair); position: relative; z-index: 20; }

/* header + nav */
.hdr { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.brand { display: flex; flex-direction: column; text-decoration: none; color: #fff; line-height: 1.1; }
.brand-mark { font-weight: 800; font-size: 24px; letter-spacing: .04em; }
.brand-sub { font: 11px/1.3 var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--cyan); }
.nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.nav-burger { display: none; }
.nav-list { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-item { position: relative; }
.nav-top { background: none; border: 0; color: #fff; font: 600 15px var(--sans); padding: 22px 12px; cursor: pointer; }
.nav-top::after { content: ""; display: inline-block; width: 6px; height: 6px; margin-left: 8px; border-right: 1.5px solid var(--cyan); border-bottom: 1.5px solid var(--cyan); transform: translateY(-3px) rotate(45deg); }
.menu {
  display: none;
  position: absolute; top: 100%; left: 0; min-width: 250px; margin: 0; padding: 10px 0; list-style: none;
  background: var(--navy-2); border: 1px solid var(--hair); border-top: 2px solid var(--cyan);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .35);
}
.has-menu:hover > .menu, .has-menu:focus-within > .menu { display: block; }
.menu a { display: flex; padding: 8px 18px; color: #fff; text-decoration: none; font-size: 15px; }
.menu a:hover, .menu a:focus { background: rgba(92, 200, 255, .12); color: var(--cyan); }
.nav-cta { margin-left: 8px; }
.lang-item { margin-left: 6px; }
.lang-top { background: none; border: 1px solid rgba(255,255,255,.35); color: #fff; font: 600 13px var(--mono); padding: 10px 12px; cursor: pointer; white-space: nowrap; }
.lang-top::after { content: ""; display: inline-block; width: 6px; height: 6px; margin-left: 8px; border-right: 1.5px solid var(--cyan); border-bottom: 1.5px solid var(--cyan); transform: translateY(-3px) rotate(45deg); }
.lang-menu {
  display: none;
  position: absolute; top: calc(100% + 8px); right: 0; z-index: 60; min-width: 190px; margin: 0; padding: 8px 0; list-style: none;
  background: var(--navy-2); border: 1px solid var(--hair); border-top: 2px solid var(--signal);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .35);
}
.lang-item:hover > .lang-menu, .lang-item:focus-within > .lang-menu { display: block; }
.lang-menu a { display: block; padding: 8px 16px; color: #fff; text-decoration: none; font-size: 14px; white-space: nowrap; }
.lang-menu a:hover, .lang-menu a:focus, .lang-menu a[aria-current="true"] { background: rgba(92, 200, 255, .12); color: var(--cyan); }

/* buttons */
.btn { display: inline-block; padding: 12px 20px; font: 600 15px/1.2 var(--sans); text-decoration: none; border: 1.5px solid transparent; margin: 4px 6px 4px 0; }
.btn-cta { background: var(--signal); color: #111; border-color: var(--signal); }
.btn-cta:hover { background: #ff9447; color: #111; }
.btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .55); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }

/* mono tags */
.dwg-no, .crumbs, .ftitle, figcaption, .dim-tag, .dim-val, .sys-code, .rel-code, .evidence dt {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .1em;
}
.dwg-no { font-size: 12px; color: var(--cyan); margin: 0 0 12px; }
.crumbs { font-size: 11px; margin: 0 0 18px; color: rgba(255,255,255,.7); }
.crumbs a { color: rgba(255,255,255,.85); }

/* hero */
.hero { padding: 56px 0 40px; }
.hero-grid, .ph-grid.has-fig, .page-head.has-fig .ph-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero h1, .page-head h1 { font-weight: 800; letter-spacing: -.02em; line-height: 1.05; margin: 0 0 18px; }
.hero h1 { font-size: clamp(34px, 5vw, 58px); }
.page-head h1 { font-size: clamp(30px, 4vw, 46px); }
.hero-lead, .ph-desc { font-size: 18px; color: rgba(255,255,255,.85); max-width: 40em; }
.evidence { display: grid; grid-template-columns: repeat(4, 1fr); margin: 40px 0 0; border: 1px solid var(--hair); }
.evidence div { padding: 16px 18px; border-right: 1px solid var(--hair); }
.evidence div:last-child { border-right: 0; }
.evidence dt { font-size: 11px; color: var(--cyan); }
.evidence dd { margin: 4px 0 0; font: 600 18px/1.3 var(--mono); }
.page-head { padding: 40px 0 48px; }

/* drawing frames with registration marks */
.dwg-frame {
  position: relative; margin: 0; padding: 14px;
  border: 1px solid rgba(92, 200, 255, .55);
  background:
    linear-gradient(var(--cyan), var(--cyan)) top left / 22px 2px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) top left / 2px 22px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) top right / 22px 2px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) top right / 2px 22px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) bottom left / 22px 2px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) bottom left / 2px 22px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) bottom right / 22px 2px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) bottom right / 2px 22px no-repeat,
    rgba(10, 37, 64, .6);
}
.dwg-frame .reg { position: absolute; top: -9px; left: 50%; width: 18px; height: 18px; margin-left: -9px; border: 1px solid var(--cyan); border-radius: 50%; background: radial-gradient(circle, var(--cyan) 0 2px, transparent 3px); }
.dwg-frame img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--navy-2); }
.dwg-frame figcaption { font-size: 11px; color: var(--cyan); padding-top: 10px; }
.prose .dwg-frame { margin: 28px 0; background-color: var(--navy); }
.dwg-frame.inset { max-width: 232px; float: right; margin: 6px 0 16px 24px; }
.dwg-frame.inset img { aspect-ratio: 1 / 1; object-fit: contain; }

/* content sheets */
.sheet {
  padding: 48px 0;
  background-color: var(--paper);
  background-image: linear-gradient(rgba(10,37,64,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(10,37,64,.045) 1px, transparent 1px);
  background-size: 24px 24px;
}
.prose { max-width: 820px; }
.prose h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; letter-spacing: -.015em; line-height: 1.15; margin: 8px 0 14px; }
.prose h3 { font-size: 20px; margin: 28px 0 8px; }
.prose p, .prose li { color: #1b3350; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin: 6px 0; }
.prose::after { content: ""; display: block; clear: both; }

/* signature: dimension line */
.dimline { display: flex; align-items: center; gap: 14px; margin: 46px 0 10px; color: var(--line-blue); }
.dim-tag { flex: 0 0 auto; font-size: 11px; padding: 3px 8px; border: 1px solid currentColor; background: var(--paper); }
.dim-rule { position: relative; flex: 1 1 auto; height: 1px; background: currentColor; min-width: 60px; }
.dim-rule::before, .dim-rule::after { content: ""; position: absolute; top: -5px; width: 0; height: 0; border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
.dim-rule::before { left: 0; border-right: 9px solid currentColor; }
.dim-rule::after { right: 0; border-left: 9px solid currentColor; }
.dim-val { position: absolute; left: 50%; top: -11px; transform: translateX(-50%); font-size: 11px; padding: 2px 8px; background: var(--paper); white-space: nowrap; }
.prose > .dimline:first-child { margin-top: 0; }
.systems .dimline { margin-top: 0; }

/* tables as drawing schedules */
.table-wrap { overflow-x: auto; margin: 20px 0; border: 1px solid rgba(10,37,64,.25); background: #fff; }
table { border-collapse: collapse; width: 100%; min-width: 480px; font-size: 15px; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid rgba(10,37,64,.14); vertical-align: top; }
th { font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .08em; background: var(--navy); color: #fff; }

/* modules */
.mod-h { font-size: 26px; font-weight: 800; margin: 0 0 12px; }
.sys-grid, .rel-grid, .post-list { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 14px; }
.sys-grid { grid-template-columns: repeat(3, 1fr); }
.rel-grid { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.sys-grid a, .rel-grid a, .post-list a { display: flex; flex-direction: column; gap: 6px; height: 100%; padding: 16px 18px; background: #fff; border: 1px solid rgba(10,37,64,.2); border-left: 3px solid var(--line-blue); color: var(--ink); text-decoration: none; }
.sys-grid a:hover, .rel-grid a:hover, .post-list a:hover { border-left-color: var(--signal); }
.sys-code, .rel-code { font-size: 11px; color: var(--line-blue); }
.sys-grid span:last-child, .post-list span:last-child { color: var(--ink-2); font-size: 15px; }
.related { padding-top: 8px; }
.cta-panel { padding: 48px 0; }
.cta-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center; }
.cta-panel p { color: rgba(255,255,255,.85); }

/* contact form */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 18px 0; }
.form-grid .full { grid-column: 1 / -1; }
.form-grid label { display: flex; flex-direction: column; gap: 6px; font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.form-grid input, .form-grid textarea, .form-grid select { font: 16px var(--sans); padding: 10px 12px; border: 1px solid rgba(10,37,64,.35); background: #fff; width: 100%; }
.form-grid button { cursor: pointer; }
.contact-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.contact-cards > div { background: #fff; border: 1px solid rgba(10,37,64,.2); padding: 16px 18px; }

/* footer */
.site-footer { padding: 48px 0 28px; font-size: 14px; }
.site-footer a { color: rgba(255,255,255,.85); text-decoration: none; }
.site-footer a:hover { color: var(--cyan); }
.fgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.fgrid ul { list-style: none; padding: 0; margin: 0; }
.fgrid li { margin: 4px 0; }
.ftitle { font-size: 11px; color: var(--cyan); margin: 0 0 10px; }
.faddr { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--hair); color: rgba(255,255,255,.8); }
.fnote { margin-top: 28px; font: 11px var(--mono); color: rgba(255,255,255,.55); }

/* responsive */
@media (max-width: 960px) {
  .nav-burger { display: block; width: 44px; height: 44px; position: relative; cursor: pointer; border: 1px solid var(--hair); }
  .bars, .bars::before, .bars::after { position: absolute; left: 11px; width: 20px; height: 2px; background: #fff; content: ""; }
  .bars { top: 21px; } .bars::before { top: -6px; left: 0; } .bars::after { top: 6px; left: 0; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--navy-2); border-top: 1px solid var(--hair); max-height: 80vh; overflow-y: auto; }
  .nav-toggle:checked ~ .nav { display: block; }
  .nav-list { flex-direction: column; align-items: stretch; padding: 8px 0 16px; }
  .nav-top { width: 100%; text-align: left; padding: 12px 24px; }
  .menu { position: static; box-shadow: none; border: 0; min-width: 0; padding: 0 0 8px 12px; }
  .nav-toggle:checked ~ .nav .menu { display: block; }
  .nav-cta { margin: 8px 24px; text-align: center; }
  .lang-item { margin: 8px 24px 16px; }
  .lang-top { width: 100%; text-align: left; }
  .lang-menu { top: calc(100% + 6px); right: 0; left: 0; min-width: 0; }
  .hero-grid, .page-head.has-fig .ph-grid, .cta-grid { grid-template-columns: 1fr; gap: 28px; }
  .evidence { grid-template-columns: repeat(2, 1fr); }
  .evidence div:nth-child(2) { border-right: 0; }
  .evidence div:nth-child(-n+2) { border-bottom: 1px solid var(--hair); }
  .sys-grid { grid-template-columns: repeat(2, 1fr); }
  .fgrid { grid-template-columns: repeat(2, 1fr); }
  .faddr { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 18px; }
  .sys-grid, .form-grid, .contact-cards, .fgrid { grid-template-columns: 1fr; }
  .dim-val { font-size: 10px; padding: 1px 5px; }
  .dim-tag { font-size: 10px; }
  .dwg-frame.inset { float: none; margin: 16px 0; }
  .btn { display: block; text-align: center; margin: 8px 0; }
}