@font-face { font-family: "Montserrat"; font-weight: 600; font-display: swap; src: url(fonts/montserrat-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "Montserrat"; font-weight: 700; font-display: swap; src: url(fonts/montserrat-latin-700-normal.woff2) format("woff2"); }
@font-face { font-family: "Montserrat"; font-weight: 800; font-display: swap; src: url(fonts/montserrat-latin-800-normal.woff2) format("woff2"); }
@font-face { font-family: "Roboto"; font-weight: 400; font-display: swap; src: url(fonts/roboto-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "Roboto"; font-weight: 500; font-display: swap; src: url(fonts/roboto-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "Roboto"; font-weight: 700; font-display: swap; src: url(fonts/roboto-latin-700-normal.woff2) format("woff2"); }
:root { --brand: #004AAD; --brand-dark: #003A8A; --navy: #00295F; --accent: #FF9D00; --text: #1b2430; --muted: #5a6675; --line: #dde3ea; --bg: #f4f6f9; --card: #fff; --head: "Montserrat", "Segoe UI", Arial, sans-serif; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 16px/1.55 "Roboto", "Segoe UI", Arial, sans-serif; }
a { color: var(--brand); }
img { max-width: 100%; }
[hidden] { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 0; background: #fff; padding: 10px 14px; z-index: 10; }
.skip:focus { left: 8px; top: 8px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.dh-wrap { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

.dh-top { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.dh-top-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.dh-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--navy); }
.dh-logo img { display: block; height: 29px; width: auto; }
.dh-logo span { font: 700 13px/1 var(--head); letter-spacing: .12em; text-transform: uppercase; padding-left: 12px; border-left: 2px solid var(--accent); }
.dh-top nav { display: flex; gap: 6px; }
.dh-top nav a { color: var(--navy); text-decoration: none; font-weight: 500; font-size: 15px; padding: 8px 12px; border-radius: 4px; }
.dh-top nav a:hover { background: var(--bg); }

.dh-hero { background: var(--navy); color: #fff; padding: 44px 0 34px; position: relative; overflow: hidden; }
.dh-hero::after { content: ""; position: absolute; right: -80px; top: -40px; bottom: -40px; width: 46%; background: linear-gradient(115deg, transparent 0 18%, var(--brand) 18% 62%, transparent 62% 70%, var(--accent) 70% 74%, transparent 74%); opacity: .55; pointer-events: none; }
.dh-hero .dh-wrap { position: relative; z-index: 1; }
.dh-kicker { font: 700 12px/1.2 var(--head); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin: 0 0 10px; }
.dh-hero h1 { font: 800 38px/1.1 var(--head); margin: 0 0 10px; text-transform: uppercase; }
.dh-lead { max-width: 56ch; margin: 0 0 22px; color: #d5e0f0; }
.dh-search { display: flex; max-width: 660px; background: #fff; border-radius: 6px; padding: 5px; box-shadow: 0 10px 30px rgba(0, 0, 0, .25); }
.dh-search input { flex: 1; min-width: 0; border: 0; padding: 12px 14px; font: inherit; color: var(--text); background: transparent; border-radius: 4px; }
.dh-search button { border: 0; background: var(--brand); color: #fff; font: 600 15px/1 "Roboto", sans-serif; padding: 0 22px; border-radius: 4px; cursor: pointer; }
.dh-search button:hover { background: var(--brand-dark); }
.dh-count { margin: 14px 0 0; color: #b9cae3; font-size: 14px; }

.dh-body { padding-top: 26px; padding-bottom: 60px; }
.dh-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.dh-chips button { border: 1px solid var(--line); background: #fff; color: var(--navy); font: 500 14px/1 "Roboto", sans-serif; padding: 9px 14px; border-radius: 999px; cursor: pointer; }
.dh-chips button span { color: var(--muted); font-size: 12.5px; margin-left: 2px; }
.dh-chips button:hover { border-color: var(--brand); }
.dh-chips button.on { background: var(--navy); border-color: var(--navy); color: #fff; }
.dh-chips button.on span { color: #b9cae3; }

.dh-group { margin-bottom: 34px; }
.dh-group h2, .dh-more h2 { font: 700 15px/1.2 var(--head); letter-spacing: .08em; text-transform: uppercase; color: var(--navy); margin: 0 0 14px; padding-bottom: 10px; border-bottom: 2px solid var(--navy); position: relative; }
.dh-group h2::after, .dh-more h2::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 56px; height: 2px; background: var(--accent); }
.dh-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.dh-card { background: var(--card); border: 1px solid var(--line); border-radius: 6px; display: flex; flex-direction: column; overflow: hidden; transition: border-color .12s, box-shadow .12s, transform .12s; }
.dh-card:hover { border-color: var(--brand); box-shadow: 0 8px 22px rgba(0, 41, 95, .1); transform: translateY(-2px); }
.dh-card-main { display: flex; flex-direction: column; flex: 1; text-decoration: none; color: inherit; }
.dh-thumb { display: flex; align-items: center; justify-content: center; height: 190px; background: #fff; border-bottom: 1px solid var(--line); padding: 14px; }
.dh-thumb img { width: 100%; height: 100%; object-fit: contain; }
.dh-noimg { font: 800 26px/1 var(--head); color: #c9d4e2; letter-spacing: .1em; }
.dh-card-text { padding: 14px 16px 10px; display: flex; flex-direction: column; gap: 4px; }
.dh-sub { font: 700 11px/1.2 var(--head); letter-spacing: .1em; text-transform: uppercase; color: var(--brand); }
.dh-card-text strong { font: 700 16px/1.25 var(--head); color: var(--navy); }
.dh-tag { color: var(--muted); font-size: 14px; line-height: 1.4; }
.dh-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 16px 14px; }
.dh-meta { color: var(--muted); font-size: 13px; }
.dh-pdf { font: 700 12px/1 var(--head); letter-spacing: .08em; text-decoration: none; color: var(--brand); border: 1px solid var(--brand); padding: 7px 11px; border-radius: 4px; }
.dh-pdf:hover { background: var(--brand); color: #fff; }
.dh-empty { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 40px 24px; text-align: center; color: var(--muted); }
.dh-empty h1, .dh-empty h2 { font: 700 20px/1.2 var(--head); color: var(--navy); margin: 0 0 8px; }
.dh-link { border: 0; background: none; color: var(--brand); font: inherit; text-decoration: underline; cursor: pointer; padding: 0; }

.dh-crumb { font-size: 14px; color: var(--muted); margin: 0 0 16px; }
.dh-doc { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 30px 34px; border-top: 4px solid var(--brand); }
.dh-doc-head { display: grid; grid-template-columns: 1fr minmax(0, 300px); gap: 30px; align-items: start; margin-bottom: 22px; }
.dh-doc-head .dh-kicker { color: var(--brand); }
.dh-doc h1 { font: 800 32px/1.12 var(--head); color: var(--navy); text-transform: uppercase; margin: 0 0 8px; }
.dh-doc-tag { font-size: 18px; font-weight: 500; margin: 0 0 8px; }
.dh-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.dh-btn { display: inline-block; text-decoration: none; font: 600 15px/1 "Roboto", sans-serif; padding: 13px 20px; border-radius: 4px; border: 1px solid #b6c2d1; color: var(--navy); background: #fff; }
.dh-btn:hover { border-color: var(--navy); }
.dh-btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.dh-btn.primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); }
.dh-photo { border: 1px solid var(--line); border-bottom: 4px solid var(--brand); padding: 16px; display: flex; align-items: center; justify-content: center; aspect-ratio: 1; }
.dh-photo img { width: 100%; height: 100%; object-fit: contain; }
.dh-doc section { margin-top: 24px; }
.dh-doc p { margin: 0 0 12px; max-width: 78ch; }
.dh-doc h2 { font: 700 14px/1.2 var(--head); letter-spacing: .08em; text-transform: uppercase; color: var(--navy); margin: 0 0 12px; padding: 0 0 8px 16px; border-bottom: 1px solid var(--navy); position: relative; }
.dh-doc h2::before { content: ""; position: absolute; left: 0; top: 2px; width: 10px; height: 10px; background: var(--accent); }
.dh-two { display: grid; grid-template-columns: 1fr 1fr; gap: 0 34px; }
.dh-list { list-style: none; margin: 0; padding: 0; }
.dh-list li { position: relative; padding: 0 0 8px 18px; }
.dh-list li::before { content: ""; position: absolute; left: 0; top: .55em; width: 7px; height: 7px; background: var(--brand); }
.dh-spec, .dh-table { border-collapse: collapse; width: 100%; font-size: 15px; }
.dh-spec th { text-align: left; font-weight: 500; color: var(--navy); width: 38%; }
.dh-spec th, .dh-spec td { padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.dh-spec tr:nth-child(odd) { background: #f4f6f9; }
.dh-scroll { overflow-x: auto; }
.dh-table th { background: var(--navy); color: #fff; font-weight: 500; text-align: left; padding: 9px 12px; white-space: nowrap; }
.dh-table td { padding: 9px 12px; border: 1px solid var(--line); }
.dh-table tbody tr:nth-child(even) { background: #f4f6f9; }
.dh-drawing { display: block; max-height: 520px; }
.dh-notes { border-top: 1px solid var(--line); padding-top: 14px; color: var(--muted); font-size: 14px; }
.dh-more { margin-top: 34px; }
.dh-morelist { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
.dh-morelist a { display: flex; flex-direction: column; gap: 2px; background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--brand); padding: 12px 14px; text-decoration: none; color: var(--navy); border-radius: 0 4px 4px 0; }
.dh-morelist a:hover { border-color: var(--brand); }
.dh-morelist span { color: var(--muted); font-size: 13px; }

.dh-foot { background: var(--navy); color: #d5e0f0; padding: 28px 0 22px; font-size: 14px; }
.dh-foot-in { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 14px; }
.dh-foot strong { display: block; color: #fff; font: 700 15px/1.3 var(--head); margin-bottom: 4px; }
.dh-foot a { color: #fff; }
.dh-foot-contact { display: flex; flex-direction: column; gap: 4px; text-align: right; }
.dh-small { color: #9db4d6; font-size: 12.5px; border-top: 1px solid #1b4a8c; padding-top: 14px; }

@media (max-width: 760px) {
  .dh-hero { padding: 30px 0 26px; }
  .dh-hero h1 { font-size: 28px; }
  .dh-hero::after { display: none; }
  .dh-search button { padding: 0 14px; }
  .dh-doc { padding: 22px 18px; }
  .dh-doc h1 { font-size: 24px; }
  .dh-doc-head, .dh-two { grid-template-columns: 1fr; }
  .dh-photo { order: -1; max-width: 260px; }
  .dh-top nav a:first-child { display: none; }
  .dh-foot-contact { text-align: left; }
}
@media (prefers-reduced-motion: reduce) { .dh-card { transition: none; } .dh-card:hover { transform: none; } html { scroll-behavior: auto; } }