/* gva4HR theme - typography follows the gva4HR document standard:
   headings in Ubuntu, body in Ubuntu Condensed, codes in Ubuntu Mono.
   Web line spacing is raised above 1.0 for screen legibility. */

:root {
  --navy: #1F3864;
  --navy-2: #2A4B85;
  --logo-blue: #3B5FC0;
  --ink: #1B2333;
  --muted: #5B6578;
  --line: #D8DEEA;
  --bg: #FFFFFF;
  --bg-soft: #F4F6FB;
  /* programme pillars (v4 colour coding) */
  --gap: #2B6CB0;
  --gtp: #1F8A8A;
  --inp: #B9770E;
  --hps: #6B4FA0;
  /* pillar families */
  --fam-sp: #1F3864;
  --fam-ep: #2E7D5B;
  --fam-tp: #A0522D;
  --fam-cp: #8B1E3F;
  --fam-sec: #55657A;
  --wrap: 72rem;
  --radius: 6px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Ubuntu Condensed', 'Ubuntu', system-ui, sans-serif;
  font-size: 1.125rem;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
}
h1, h2, h3, h4, .brand, .menu, .chip, .section-title, .card-title, .fam-name, .band-label { font-family: 'Ubuntu', system-ui, sans-serif; }
code, kbd, pre, .mono, .mini-code, .pillar-code, .chip, .fam-code, .iso, .tagline, dt { font-family: 'Ubuntu Mono', ui-monospace, monospace; }
a { color: var(--navy-2); }
a:hover { color: var(--logo-blue); }
img { max-width: 100%; height: auto; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1rem; }
.skip { position: absolute; left: -999px; top: 0; background: var(--navy); color: #fff; padding: .5rem 1rem; z-index: 10; }
.skip:focus { left: 1rem; }
.muted { color: var(--muted); }
.label { font-family: 'Ubuntu', sans-serif; font-weight: 500; font-size: .8em; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin-right: .35em; }

/* ---------- header / identity strip ---------- */
.site-header { border-bottom: 1px solid var(--line); }
.identity { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-top: .75rem; padding-bottom: .75rem; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; color: var(--ink); }
.brand img { width: 56px; height: 56px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-abbr { font-weight: 700; font-size: 1.35rem; color: var(--navy); letter-spacing: .01em; }
.brand-name { font-weight: 500; font-size: 1rem; }
.brand-sub { font-size: .85rem; color: var(--muted); }
.identity-side { display: flex; align-items: center; gap: 1rem; }
.tagline { font-size: .9rem; color: var(--navy-2); white-space: nowrap; }
.langswitch { display: flex; gap: .25rem; list-style: none; margin: 0; padding: 0; font-family: 'Ubuntu', sans-serif; font-size: .85rem; }
.langswitch a, .langswitch span { display: inline-block; padding: .2rem .45rem; border-radius: 4px; text-decoration: none; }
.langswitch span { background: var(--navy); color: #fff; }
.langswitch a { color: var(--navy); border: 1px solid var(--line); }

/* main navigation: navy gradient bar */
.mainnav { background: linear-gradient(90deg, var(--navy) 0%, var(--navy-2) 60%, var(--logo-blue) 100%); }
.menu { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; }
.menu a { display: block; padding: .7rem .8rem; color: #fff; text-decoration: none; font-size: .95rem; border-bottom: 3px solid transparent; }
.menu a:hover, .menu .active > a { background: rgba(255,255,255,.1); border-bottom-color: #fff; }
.menu .prog-gap > a { border-bottom-color: color-mix(in srgb, var(--gap) 70%, white); }
.menu .prog-gtp > a { border-bottom-color: color-mix(in srgb, var(--gtp) 70%, white); }
.menu .prog-inp > a { border-bottom-color: color-mix(in srgb, var(--inp) 70%, white); }
.menu .prog-hps > a { border-bottom-color: color-mix(in srgb, var(--hps) 70%, white); }
.menu .prog.active > a { border-bottom-color: #fff; }
.menu-toggle { display: none; }
.menu-toggle summary { color: #fff; padding: .7rem 1rem; cursor: pointer; font-family: 'Ubuntu', sans-serif; }
.menu-toggle .menu { flex-direction: column; padding-bottom: .5rem; }

/* ---------- pillar band ---------- */
.pillar-band { background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.band-inner { display: flex; align-items: center; gap: .5rem 1rem; flex-wrap: wrap; padding-top: .45rem; padding-bottom: .45rem; }
.band-label { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); text-decoration: none; margin-right: .25rem; }
.band-group { display: inline-flex; gap: .25rem; flex-wrap: wrap; }
.chip { display: inline-block; font-size: .78rem; padding: .1rem .4rem; border-radius: 3px; text-decoration: none; border: 1px solid currentColor; background: #fff; }
.grp-ep .chip { color: var(--fam-ep); }
.grp-tp .chip { color: var(--fam-tp); }
.grp-cp .chip { color: var(--fam-cp); }
.grp-sec .chip { color: var(--fam-sec); }
.grp-ep .chip:hover { background: var(--fam-ep); color: #fff; }
.grp-tp .chip:hover { background: var(--fam-tp); color: #fff; }
.grp-cp .chip:hover { background: var(--fam-cp); color: #fff; }
.grp-sec .chip:hover { background: var(--fam-sec); color: #fff; }

/* ---------- content ---------- */
main { padding-top: 1.25rem; padding-bottom: 3rem; min-height: 50vh; }
.crumbs { font-size: .9rem; color: var(--muted); margin-bottom: .75rem; display: flex; flex-wrap: wrap; gap: .35rem; }
.crumbs a { color: var(--muted); }
.notice { background: #FFF8E6; border-left: 4px solid var(--inp); padding: .5rem .75rem; font-size: .95rem; }

/* Title 24 pt / H1 18 pt with dark blue rule / H2 16 pt underline / H3 14 pt bold italic / H4 12 pt underlined */
.page-title, .hero-title { font-size: 2rem; font-weight: 700; color: var(--navy); line-height: 1.15; margin: 1.5rem 0 1.25rem; }
.prose h1, .section-title { font-size: 1.5rem; font-weight: 700; color: var(--navy); border-bottom: 2px solid var(--navy); padding-bottom: .25rem; margin: 2rem 0 1.1rem; line-height: 1.2; }
.prose h2 { font-size: 1.33rem; font-weight: 700; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .2em; margin: 1.75rem 0 1rem; }
.prose h3 { font-size: 1.17rem; font-weight: 700; font-style: italic; margin: 1.5rem 0 .8rem; }
.prose h4 { font-size: 1rem; font-weight: 400; text-decoration: underline; margin: 1.25rem 0 .7rem; }
.prose { max-width: 46rem; }
.prose p { margin: 0 0 .6rem; }

/* pillar hero */
.pillar-hero { border-left: 6px solid var(--navy); padding: .25rem 0 .25rem 1rem; margin: 1rem 0 1.5rem; }
.pillar-hero .page-title { margin: .25rem 0 .5rem; }
.pillar-code { font-size: .85rem; color: var(--muted); letter-spacing: .03em; }
.pillar-function { margin: 0; font-size: 1.1rem; max-width: 46rem; }
.prog-gap .pillar-hero { border-left-color: var(--gap); }
.prog-gtp .pillar-hero { border-left-color: var(--gtp); }
.prog-inp .pillar-hero { border-left-color: var(--inp); }
.prog-hps .pillar-hero { border-left-color: var(--hps); }
.framework.fam-ep .pillar-hero { border-left-color: var(--fam-ep); }
.framework.fam-tp .pillar-hero { border-left-color: var(--fam-tp); }
.framework.fam-cp .pillar-hero { border-left-color: var(--fam-cp); }
.framework.fam-sec .pillar-hero { border-left-color: var(--fam-sec); }
.sub-list { padding-left: 1.25rem; margin: 0 0 .75rem; }
.sub-list li { margin-bottom: .3rem; }

/* cards */
.cards, .pillar-grid { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); }
.card a, .pillar-card a { display: flex; flex-direction: column; gap: .25rem; height: 100%; padding: .8rem 1rem; border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: var(--ink); background: #fff; position: relative; }
.card a:hover, .pillar-card a:hover { border-color: var(--navy-2); box-shadow: 0 2px 8px rgba(31,56,100,.08); }
.card-title { font-weight: 500; color: var(--navy); line-height: 1.25; }
.card-sum { font-size: .95rem; color: var(--muted); }
.card-count { position: absolute; top: .6rem; right: .7rem; font-size: .75rem; color: var(--muted); font-family: 'Ubuntu Mono', monospace; }
.pillar-card a { border-top: 4px solid var(--navy); }
.pillar-card.prog-gap a { border-top-color: var(--gap); }
.pillar-card.prog-gtp a { border-top-color: var(--gtp); }
.pillar-card.prog-inp a { border-top-color: var(--inp); }
.pillar-card.prog-hps a { border-top-color: var(--hps); }
.family.fam-ep .pillar-card a { border-top-color: var(--fam-ep); }
.family.fam-tp .pillar-card a { border-top-color: var(--fam-tp); }
.family.fam-cp .pillar-card a { border-top-color: var(--fam-cp); }
.family.fam-sec .pillar-card a { border-top-color: var(--fam-sec); }

/* system matrix (4 families + secondary) */
.system-matrix { display: grid; grid-template-columns: repeat(4, 1fr); gap: .75rem; margin: 1rem 0 2rem; }
.fam-col { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.fam-head { display: flex; flex-direction: column; padding: .7rem .9rem; color: #fff; text-decoration: none; }
.fam-sp .fam-head { background: var(--fam-sp); }
.fam-ep .fam-head { background: var(--fam-ep); }
.fam-tp .fam-head { background: var(--fam-tp); }
.fam-cp .fam-head { background: var(--fam-cp); }
.fam-code { font-size: .85rem; opacity: .85; }
.fam-name { font-weight: 700; font-size: 1.05rem; }
.fam-role { font-size: .9rem; opacity: .9; line-height: 1.3; margin-top: .2rem; }
.fam-col ul { list-style: none; margin: 0; padding: .4rem 0; }
.fam-col li a { display: block; padding: .35rem .9rem; text-decoration: none; color: var(--ink); font-size: .98rem; line-height: 1.3; }
.fam-col li a:hover { background: var(--bg-soft); }
.mini-code { font-size: .8rem; color: var(--muted); margin-right: .2rem; }
.fam-sec { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; padding: .6rem .9rem; border: 1px dashed var(--fam-sec); border-radius: var(--radius); }
.fam-sec a { text-decoration: none; color: var(--fam-sec); }

/* tables */
.table-wrap { overflow-x: auto; margin: 1rem 0; }
table.data { border-collapse: collapse; width: 100%; font-size: 1rem; }
table.data th, table.data td { border: 1px solid var(--line); padding: .55rem .7rem; text-align: left; vertical-align: top; }
table.data thead th { background: var(--navy); color: #fff; font-family: 'Ubuntu', sans-serif; font-weight: 500; }
table.data tbody th { font-family: 'Ubuntu', sans-serif; font-weight: 500; width: 34%; }
table.data tbody tr:nth-child(even) { background: var(--bg-soft); }

/* abbreviation index */
.abbr-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(20rem, 1fr)); gap: .3rem 1.5rem; }
.abbr-list div { display: flex; gap: .75rem; border-bottom: 1px solid var(--line); padding: .3rem 0; }
.abbr-list dt { min-width: 4.5rem; font-weight: 700; color: var(--navy); }
.abbr-list dd { margin: 0; }

/* home */
.hero { background: linear-gradient(120deg, var(--navy) 0%, var(--navy-2) 70%, var(--logo-blue) 100%); color: #fff; border-radius: var(--radius); padding: 2rem 2rem 1.75rem; margin: .5rem 0 2rem; }
.hero .hero-title { color: #fff; margin: .25rem 0 .75rem; }
.hero-kicker { font-family: 'Ubuntu Mono', monospace; font-size: .9rem; opacity: .85; margin: 0; }
.hero-mission { font-family: 'Ubuntu', sans-serif; font-size: .95rem; letter-spacing: .02em; text-transform: uppercase; line-height: 1.45; max-width: 52rem; opacity: .95; }
.hero .prose { color: #fff; }
.module { margin-bottom: 1.5rem; }

/* footer */
.site-footer { border-top: 3px solid var(--navy); background: var(--bg-soft); padding: 1.25rem 0; font-size: .95rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; gap: 1rem; }

/* responsive */
@media (max-width: 900px) {
  .system-matrix { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .menu-wide { display: none; }
  .menu-toggle { display: block; }
  .system-matrix { grid-template-columns: 1fr; }
  .hero { padding: 1.5rem 1.1rem; }
  .page-title, .hero-title { font-size: 1.6rem; }
  .tagline { display: none; }
}

@media print {
  .mainnav, .pillar-band, .langswitch, .site-footer { display: none; }
  body { font-size: 11pt; line-height: 1.25; }
}