/* PGRC Enterprise website — LTPD product-site conventions v0.2 baseline.
   Shared conventions (keep identical across LTPD product sites): spacing/type scale, radii,
   component names (.btn .badge .card .more .contact-panel), breakpoints 1023/820/720/480/340.
   Product-specific: the colour tokens in the "Brand" block only. */

/* ---------- Tokens ---------- */
:root {
  color-scheme: dark;

  /* Brand — PGRC Enterprise (steel blue, taken from the verified product mark #16222e / #8fb4d9) */
  --brand-700: #1f3a56;
  --brand-800: #16222e;
  --bg: #080d14;
  --bg-alt: #0b121b;
  --panel: #101a26;
  --panel-2: #152233;
  --line: #243548;
  --line-strong: #46627f;
  --accent: #8fb4d9;
  --accent-hover: #b4cde6;
  --on-accent: #07121d;

  --ink: #f2f6fa;
  --muted: #b6c4d2;
  --amber: #e6cc94;     /* in-sprint / local development */
  --violet: #cdbff2;    /* planned */

  /* Typography */
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --fs-xs: 0.6875rem; --fs-sm: 0.8125rem; --fs-base: 0.9375rem; --fs-md: 1.0625rem; --fs-lg: 1.25rem;
  --fs-h2: clamp(1.5rem, 1.2rem + 1.2vw, 2rem);
  --fs-h1: clamp(1.65rem, 0.9rem + 3.6vw, 3.1rem);
  --fw-regular: 400; --fw-semibold: 650; --fw-bold: 750;

  /* Spacing / shape */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 20px; --s-6: 24px; --s-8: 32px; --s-10: 40px;
  --section-y: clamp(28px, 4.2vw, 48px);
  --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-pill: 999px;
  --max: 1120px;
  --header-h: 60px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: var(--fw-regular) var(--fs-base)/1.55 var(--font); overflow-wrap: break-word; }
h1, h2, h3, p, ul, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
.wrap { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--accent); color: var(--on-accent); padding: 10px 14px; border-radius: var(--r-sm); font-weight: var(--fw-bold); text-decoration: none; }
.skip-link:focus { top: 8px; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2); min-height: 40px; padding: 9px 16px; border-radius: var(--r-sm); border: 1px solid transparent; font: var(--fw-bold) var(--fs-sm)/1.2 var(--font); text-decoration: none; text-align: center; cursor: pointer; transition: background-color .15s, border-color .15s, color .15s, transform .15s; }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { color: var(--ink); border-color: var(--line-strong); background: transparent; }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn:active { transform: translateY(1px); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(8, 13, 20, .94); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.nav-bar { min-height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; min-width: 0; }
.brand img { height: 36px; width: 36px; flex: none; border-radius: 7px; }
.brand-text { display: grid; line-height: 1.1; }
.brand-name { font-size: 18px; font-weight: 800; letter-spacing: .04em; }
.brand-tag { font-size: 9.5px; font-weight: var(--fw-semibold); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); white-space: nowrap; }
.primary-nav ul { display: flex; align-items: center; gap: var(--s-6); }
.primary-nav a { display: inline-block; padding: 6px 2px; font-size: var(--fs-sm); font-weight: var(--fw-semibold); color: var(--muted); text-decoration: none; border-bottom: 2px solid transparent; }
.primary-nav a:hover { color: var(--ink); }
.primary-nav a[aria-current="true"] { color: var(--accent); border-bottom-color: var(--accent); }
.primary-nav .nav-cta { padding: 8px 14px; border: 1px solid var(--line-strong); border-radius: var(--r-sm); color: var(--accent); }
.primary-nav .nav-cta:hover { border-color: var(--accent); background: rgba(143, 180, 217, .08); }
.ltpd-link { display: inline-flex; align-items: center; gap: 8px; font-size: var(--fs-xs); color: var(--muted); text-decoration: none; padding-left: var(--s-4); border-left: 1px solid var(--line); }
.ltpd-link img { height: 24px; width: auto; }
.ltpd-link:hover { color: var(--ink); }
.nav-toggle { display: none; align-items: center; gap: 8px; min-height: 40px; padding: 8px 12px; background: transparent; color: var(--ink); border: 1px solid var(--line-strong); border-radius: var(--r-sm); font: var(--fw-semibold) var(--fs-sm)/1 var(--font); cursor: pointer; }
.nav-toggle:hover { border-color: var(--accent); }
.nav-toggle .bars, .nav-toggle .bars::before, .nav-toggle .bars::after { display: block; width: 16px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-toggle .bars { position: relative; }
.nav-toggle .bars::before, .nav-toggle .bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle .bars::before { top: -5px; }
.nav-toggle .bars::after { top: 5px; }
.nav-toggle[aria-expanded="true"] .bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .bars::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bars::after { transform: translateY(-5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { padding: clamp(28px, 5vw, 52px) 0 clamp(28px, 4.5vw, 44px); background: radial-gradient(ellipse at 88% 30%, rgba(31, 58, 86, .6), transparent 58%), linear-gradient(180deg, #0c1622, var(--bg)); border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); gap: var(--s-10); align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; font-size: var(--fs-xs); font-weight: var(--fw-bold); letter-spacing: .16em; text-transform: uppercase; color: var(--accent); }
.eyebrow::before { content: ""; width: 16px; height: 2px; background: var(--accent); flex: none; }
.hero h1 { font-size: var(--fs-h1); line-height: 1.1; letter-spacing: -.03em; font-weight: var(--fw-bold); margin: var(--s-3) 0 var(--s-4); }
.hero h1 .accent { color: var(--accent); }
.lede { max-width: 58ch; color: #d2dde8; font-size: var(--fs-md); line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-6); }
.hero-note { margin-top: var(--s-4); font-size: var(--fs-sm); color: var(--muted); max-width: 62ch; }

.glance { border: 1px solid var(--line); border-radius: var(--r-lg); background: rgba(16, 26, 38, .85); padding: var(--s-5); }
.glance h2 { font-size: var(--fs-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: var(--fw-bold); margin-bottom: var(--s-2); }
.glance li + li { border-top: 1px solid var(--line); }
.glance li { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); padding: 10px 2px; font-size: var(--fs-sm); font-weight: var(--fw-semibold); }
.glance a { text-decoration: none; }
.glance a:hover { color: var(--accent); }

/* ---------- Sections ---------- */
.section { padding: var(--section-y) 0; border-bottom: 1px solid var(--line); }
.section.alt { background: var(--bg-alt); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: var(--s-6); margin-bottom: var(--s-5); }
.section-head h2 { font-size: var(--fs-h2); line-height: 1.15; letter-spacing: -.025em; font-weight: var(--fw-bold); margin-top: var(--s-2); }
.section-head p { max-width: 46ch; color: var(--muted); font-size: var(--fs-sm); }

/* ---------- Cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-4); align-items: start; }
.card-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { position: relative; min-width: 0; border: 1px solid var(--line); border-radius: var(--r-md); padding: var(--s-5); background: linear-gradient(150deg, var(--panel-2), var(--panel)); transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--line-strong); }
.card::before { content: ""; position: absolute; left: var(--s-5); top: 0; width: 36px; height: 3px; border-radius: 0 0 3px 3px; background: var(--brand-700); transition: width .2s, background-color .2s; }
.card:hover::before { width: 64px; background: var(--accent); }
.card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--s-3); }
.card-kicker { font-size: var(--fs-xs); font-weight: var(--fw-bold); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); line-height: 1.5; padding-top: 2px; }
.card h3 { font-size: var(--fs-lg); line-height: 1.25; letter-spacing: -.02em; font-weight: var(--fw-bold); margin: var(--s-3) 0 var(--s-2); }
.card p { color: var(--muted); font-size: var(--fs-sm); line-height: 1.6; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: var(--s-4); }
.tags li { font-size: var(--fs-xs); line-height: 1.5; color: #cadbea; border: 1px solid var(--line); border-radius: var(--r-pill); padding: 2px 9px; }

/* ---------- Badges ---------- */
.badge { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; flex: none; font-size: var(--fs-xs); font-weight: var(--fw-bold); letter-spacing: .02em; padding: 3px 10px; border-radius: var(--r-pill); border: 1px solid; line-height: 1.4; }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex: none; }
.badge-demo { color: #a9e7c1; border-color: #3f7a60; background: rgba(35, 81, 61, .45); }
.badge-dev { color: var(--amber); border-color: #75653a; background: rgba(230, 204, 148, .08); }
.badge-planned { color: var(--violet); border-color: #6a5d96; background: rgba(205, 191, 242, .08); }
.badge-offering { color: var(--accent); border-color: #3d6285; background: rgba(31, 58, 86, .6); }

/* ---------- Expandable details ---------- */
details.more { margin-top: var(--s-4); border-top: 1px solid var(--line); }
details.more summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); min-height: 44px; padding: 10px 0 0; cursor: pointer; font-size: var(--fs-sm); font-weight: var(--fw-bold); color: var(--ink); }
details.more summary::-webkit-details-marker { display: none; }
details.more summary:hover { color: var(--accent); }
details.more summary::after { content: ""; width: 8px; height: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-2px); transition: transform .2s; flex: none; }
details.more[open] summary::after { transform: rotate(-135deg); }
.detail-list { display: grid; gap: var(--s-3); padding: var(--s-3) 0 0; }
.detail-list dt { font-size: var(--fs-xs); font-weight: var(--fw-bold); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.detail-list dd { color: var(--muted); font-size: var(--fs-sm); line-height: 1.55; margin-top: 2px; }

/* ---------- Status key & capability groups ---------- */
.key { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-3); margin-bottom: var(--s-6); }
.key > div { border: 1px solid var(--line); border-radius: var(--r-md); padding: var(--s-4); background: var(--panel); }
.key p { margin-top: var(--s-2); font-size: var(--fs-sm); color: var(--muted); }
.group-title { display: flex; align-items: center; gap: var(--s-3); margin: var(--s-8) 0 var(--s-4); font-size: var(--fs-md); font-weight: var(--fw-bold); }
.group-title h3 { font-size: inherit; margin: 0; }
.toolbar { margin-top: var(--s-6); }
.group-title p { font-size: var(--fs-sm); font-weight: var(--fw-regular); color: var(--muted); }
.notice { margin-top: var(--s-6); padding: var(--s-4) var(--s-5); border: 1px dashed var(--line-strong); border-radius: var(--r-md); font-size: var(--fs-sm); color: var(--muted); }
.notice strong { color: var(--ink); }

/* ---------- Governance workflow ---------- */
.flow { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--s-3); counter-reset: step; }
.flow li { counter-increment: step; position: relative; border: 1px solid var(--line); border-radius: var(--r-md); padding: var(--s-4); background: var(--panel); font-size: var(--fs-sm); color: var(--muted); }
.flow li::before { content: counter(step, decimal-leading-zero); display: block; margin-bottom: var(--s-1); font-size: var(--fs-xs); font-weight: var(--fw-bold); letter-spacing: .12em; color: var(--accent); }
.flow strong { display: block; color: var(--ink); font-size: var(--fs-base); margin-bottom: 2px; }
.flow-note { margin-top: var(--s-4); font-size: var(--fs-sm); color: var(--muted); }

/* ---------- Contact ---------- */
.contact-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: var(--s-8); padding: clamp(20px, 3vw, 32px); border: 1px solid #3d6285; border-radius: var(--r-lg); background: linear-gradient(115deg, #1b3550, #0f1b29); }
.contact-panel h2 { font-size: var(--fs-h2); line-height: 1.15; letter-spacing: -.025em; margin: var(--s-2) 0 var(--s-3); }
.contact-panel p { color: #d0dfec; font-size: var(--fs-sm); max-width: 46ch; }
.contact-main { margin-top: var(--s-5); display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: center; }
.contact-email { font-size: var(--fs-sm); color: #d0dfec; }
.contact-email a { color: var(--accent); font-weight: var(--fw-semibold); text-underline-offset: 3px; }
.enquiry-label { font-size: var(--fs-xs); font-weight: var(--fw-bold); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: var(--s-3); }
.enquiry-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-2); }
.enquiry-links a { display: flex; align-items: center; justify-content: space-between; gap: var(--s-2); min-height: 44px; padding: 10px 14px; border: 1px solid rgba(143, 180, 217, .3); border-radius: var(--r-sm); background: rgba(6, 12, 20, .4); font-size: var(--fs-sm); font-weight: var(--fw-semibold); text-decoration: none; transition: border-color .15s, background-color .15s; }
.enquiry-links a::after { content: "\2192"; color: var(--accent); flex: none; }
.enquiry-links a:hover { border-color: var(--accent); background: rgba(6, 12, 20, .65); }

/* ---------- Footer ---------- */
.site-footer { padding: var(--s-6) 0 var(--s-8); color: #a9b8c6; font-size: var(--fs-sm); }
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--s-4) var(--s-8); }
.footer-logo { height: 64px; width: auto; }
.footer-attribution { flex: 1 1 280px; color: var(--ink); }
.footer-attribution strong { display: block; font-weight: var(--fw-semibold); }
.footer-attribution em { display: block; font-style: italic; color: #a9b8c6; margin-top: 2px; }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5); }
.site-footer a { color: #d6e3ef; text-underline-offset: 3px; }
.site-footer a:hover { color: var(--accent); }
.fineprint { margin-top: var(--s-3); font-size: var(--fs-xs); color: #9aabbb; line-height: 1.6; max-width: 95ch; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .ltpd-link span { display: none; }
}
@media (max-width: 1023px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .glance { display: none; }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .ltpd-link { display: none; }
  .primary-nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: var(--s-2) 0 var(--s-4); display: none; }
  .primary-nav.open { display: block; }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0; width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
  .primary-nav a { display: block; padding: 12px 2px; font-size: var(--fs-base); border-bottom: 1px solid var(--line); }
  .primary-nav a[aria-current="true"] { border-bottom-color: var(--line); }
  .primary-nav .nav-cta { margin-top: var(--s-3); text-align: center; border-bottom: 1px solid var(--line-strong); }
  .section-head { flex-direction: column; align-items: flex-start; gap: var(--s-2); }
  .contact-panel { grid-template-columns: minmax(0, 1fr); gap: var(--s-5); }
  .key { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 720px) {
  .card-grid, .card-grid.two { grid-template-columns: minmax(0, 1fr); }
  .flow { grid-template-columns: minmax(0, 1fr); }
  .group-title { flex-direction: column; align-items: flex-start; gap: var(--s-1); }
}
@media (max-width: 480px) {
  .wrap, .primary-nav ul { width: min(calc(100% - 32px), var(--max)); }
  .brand-name { font-size: 16px; }
  .brand-tag { font-size: 8.5px; letter-spacing: .1em; }
  .hero-actions .btn, .contact-main .btn { flex: 1 1 100%; }
  .enquiry-links { grid-template-columns: minmax(0, 1fr); }
  .card { padding: var(--s-4); }
  .card-top { flex-direction: column-reverse; gap: var(--s-2); }
}
@media (max-width: 340px) {
  .brand-tag { display: none; }
  .nav-toggle .label { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}