/* Value Bridge Partners — redesign layer (vbp-add.css)
   Loads AFTER site.css. Additive only: new tokens + new components for the
   value-creation repositioning. Reuses site.css primitives (.wrap, .btn,
   .serif, .eyebrow, .section, .tile, .practice-block) wherever possible.
   ------------------------------------------------------------------------ */

:root {
  /* Secondary brand colour, drawn from the logo's "BRIDGE PARTNERS" slate */
  --slate: #38453F;
  --slate-soft: #EBE9E2;
  --slate-line: #C9CFC8;
  /* The logo's brighter red, for sparing data emphasis */
  --accent-bright: oklch(0.55 0.17 30);
  --accent-amber: oklch(0.74 0.13 60);
}

/* ---------- Header: real logo lockup ---------- */
.vbp-header { position: sticky; top: 0; z-index: 50; background: color-mix(in oklab, var(--bg) 92%, transparent); backdrop-filter: saturate(1.2) blur(8px); border-bottom: 1px solid var(--rule-soft); }
.vbp-header-inner { display: flex; align-items: center; justify-content: space-between; height: 80px; gap: 32px; }
.vbp-brand { display: inline-flex; align-items: center; text-decoration: none; }
.vbp-brand img { height: 44px; width: auto; display: block; }
.vbp-nav { display: flex; align-items: center; gap: 30px; }
.vbp-nav a { font-family: var(--sans); font-size: 14px; color: var(--ink-soft); text-decoration: none; position: relative; padding: 6px 0; }
.vbp-nav a:hover { color: var(--ink); }
.vbp-nav a[aria-current="page"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; border-bottom: 1px solid var(--accent); }
.vbp-lang { display: inline-flex; gap: 0; font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; border: 1px solid var(--rule); border-radius: 2px; overflow: hidden; margin-left: 4px; }
.vbp-lang a { text-decoration: none; color: var(--muted); padding: 5px 9px; transition: background 120ms ease, color 120ms ease; }
.vbp-lang a.active { color: var(--bg); background: var(--ink); }
.vbp-lang a:not(.active):hover { color: var(--ink); background: var(--bg-alt); }
.vbp-lang .sep { display: none; }
@media (max-width: 920px) { .vbp-nav a.vbp-navlink { display: none; } }

/* ---------- Prose button fix ----------
   site.css .prose a overrides link colour; reset .btn / .btn-ghost inside prose */
.prose .btn { color: var(--bg); text-decoration: none; }
.prose .btn:hover { color: var(--bg); }
.prose .btn-ghost { color: var(--ink); text-decoration: none; }
.prose .btn-ghost:hover { color: var(--bg); }

/* ---------- Insight teasers (homepage strip) ---------- */
.insight-teasers { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--rule); }
.insight-teaser { padding: 28px 24px; text-decoration: none; color: inherit; border-right: 1px solid var(--rule); transition: background 120ms ease; display: block; }
.insight-teaser:last-child { border-right: none; }
.insight-teaser:hover { background: var(--accent-soft); }
.insight-teaser .t-tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 12px; display: block; }
.insight-teaser h4 { font-family: var(--serif); font-size: 19px; line-height: 1.3; margin: 0; }
@media (max-width: 720px) { .insight-teasers { grid-template-columns: 1fr; } .insight-teaser { border-right: none; border-bottom: 1px solid var(--rule); } .insight-teaser:last-child { border-bottom: none; } }

/* ---------- Hero ---------- */
.vbp-hero { padding: clamp(64px, 8vw, 104px) 0 clamp(48px, 5vw, 72px); border-bottom: 1px solid var(--rule); }
.vbp-hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(40px, 5vw, 72px); align-items: center; }
.vbp-hero .eyebrow { color: var(--accent); display: block; margin-bottom: 26px; }
.vbp-hero h1 { font-family: var(--serif); font-size: clamp(48px, 6.4vw, 84px); line-height: 0.98; letter-spacing: -0.025em; font-weight: 400; margin: 0; }
.vbp-hero h1 em { font-style: italic; color: var(--accent); }
.vbp-hero .lede { margin-top: 28px; }
.vbp-cta-row { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
@media (max-width: 860px) { .vbp-hero-grid { grid-template-columns: 1fr; } }

/* dual-audience secondary button uses slate */
.btn-slate { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; font-family: var(--sans); font-size: 14px; text-decoration: none; border: 1px solid var(--slate); background: transparent; color: var(--slate); transition: background 120ms ease, color 120ms ease; }
.btn-slate:hover { background: var(--slate); color: var(--bg); }

/* ---------- Performance Bridge waterfall card (hero motif) ---------- */
.vbp-wf-card { background: var(--bg-alt); border: 1px solid var(--rule); padding: 28px 30px 24px; }
.vbp-wf-top { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 6px; }
.vbp-wf-top .t { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.vbp-wf-top .v { font-family: var(--serif); font-size: 15px; color: var(--accent); white-space: nowrap; }
.vbp-wf-sub { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.vbp-wf { display: flex; align-items: flex-end; gap: 14px; height: 200px; border-bottom: 1px solid var(--ink); }
.vbp-wf .col { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; height: 100%; }
.vbp-wf .bar { background: var(--accent-soft); border-top: 2px solid var(--accent); }
.vbp-wf .bar.cap { background: var(--ink); border-top: 2px solid var(--ink); }
.vbp-wf-labels { display: flex; gap: 14px; margin-top: 10px; }
.vbp-wf-labels span { flex: 1; font-family: var(--mono); font-size: 9px; letter-spacing: 0.03em; text-transform: uppercase; color: var(--muted); text-align: center; line-height: 1.35; }
.vbp-wf-labels span b { display: block; color: var(--ink); font-weight: 500; font-size: 11px; margin-top: 2px; }

/* ---------- KPI strip (data/execution band, from Direction B) ---------- */
.vbp-kpis { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.vbp-kpi { padding: 30px 28px 30px 0; border-right: 1px solid var(--rule); }
.vbp-kpi:last-child { border-right: 0; }
.vbp-kpi .num { font-family: var(--serif); font-size: clamp(40px, 4vw, 52px); line-height: 1; letter-spacing: -0.02em; color: var(--ink); }
.vbp-kpi .num b { color: var(--accent); font-weight: 400; }
.vbp-kpi .lab { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-top: 14px; }
@media (max-width: 860px) { .vbp-kpis { grid-template-columns: 1fr 1fr; } .vbp-kpi:nth-child(2) { border-right: 0; } .vbp-kpi:nth-child(1), .vbp-kpi:nth-child(2) { border-bottom: 1px solid var(--rule); } }

/* ---------- The Challenge ---------- */
.vbp-chal-lead { font-family: var(--serif); font-size: clamp(26px, 2.8vw, 34px); line-height: 1.28; letter-spacing: -0.01em; max-width: 26ch; color: var(--ink); }
.vbp-chal-lead em { font-style: italic; color: var(--accent); }
.vbp-chal { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); margin-top: 40px; }
.vbp-chal .item { padding: 26px 24px 30px 0; border-right: 1px solid var(--rule); }
.vbp-chal .item:last-child { border-right: 0; padding-right: 0; }
.vbp-chal .item .n { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 0.1em; }
.vbp-chal .item h4 { font-family: var(--serif); font-size: 20px; font-weight: 400; line-height: 1.2; margin: 14px 0 10px; }
.vbp-chal .item p { font-size: 14px; color: var(--muted); line-height: 1.55; }
@media (max-width: 860px) { .vbp-chal { grid-template-columns: 1fr 1fr; } .vbp-chal .item:nth-child(2) { border-right: 0; padding-right: 0; } }

/* ---------- The Performance Bridge framework ---------- */
.vbp-pb-stages { display: grid; grid-template-columns: repeat(4, 1fr); position: relative; margin-top: 44px; }
.vbp-pb-line { position: absolute; top: 19px; left: 6%; right: 6%; height: 1px; background: var(--rule); z-index: 0; }
.vbp-pb-stage { position: relative; z-index: 1; padding-right: 28px; }
.vbp-pb-dot { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--ink); background: var(--bg); display: flex; align-items: center; justify-content: center; font-family: var(--mono); font-size: 13px; color: var(--accent); margin-bottom: 24px; }
.vbp-pb-stage:last-child .vbp-pb-dot { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.vbp-pb-stage h4 { font-family: var(--serif); font-size: 24px; font-weight: 400; margin: 0 0 10px; }
.vbp-pb-stage p { font-size: 14px; color: var(--muted); line-height: 1.55; max-width: 24ch; }
.vbp-pb-bars { display: flex; align-items: flex-end; gap: 5px; height: 34px; margin-top: 20px; }
.vbp-pb-bars i { flex: 1; background: var(--accent-soft); border-top: 2px solid var(--accent); }
@media (max-width: 860px) { .vbp-pb-stages { grid-template-columns: 1fr 1fr; gap: 36px 0; } .vbp-pb-line { display: none; } }

/* ---------- Section headers (eyebrow + heading, 1/3–2/3) ---------- */
.vbp-sechead { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; align-items: baseline; }
@media (max-width: 740px) { .vbp-sechead { grid-template-columns: 1fr; gap: 14px; } }

/* ---------- Closing CTA split ---------- */
.vbp-cta-split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
@media (max-width: 740px) { .vbp-cta-split { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- Services group header (transformed practice-block) ---------- */
.vbp-svc-num { color: var(--slate) !important; }

/* ---------- Audiences ---------- */
.vbp-aud-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(32px, 4vw, 48px); }
.vbp-aud { border-top: 2px solid var(--ink); padding-top: 22px; }
.vbp-aud .k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.vbp-aud h4 { font-family: var(--serif); font-size: 24px; font-weight: 400; margin: 14px 0 14px; }
.vbp-aud ul { margin: 0; padding: 0; list-style: none; }
.vbp-aud li { font-size: 14.5px; color: var(--ink-soft); padding: 9px 0; border-top: 1px solid var(--rule-soft); }
@media (max-width: 860px) { .vbp-aud-grid { grid-template-columns: 1fr; } }

/* ---------- Experience teaser: Challenge / Actions / Impact ---------- */
.vbp-cai { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.vbp-cai > a { text-decoration: none; color: inherit; padding: 30px 30px 32px; border-right: 1px solid var(--rule); transition: background 150ms ease; }
.vbp-cai > a:last-child { border-right: 0; }
.vbp-cai > a:hover { background: linear-gradient(to bottom, var(--accent-soft), transparent 80%); }
.vbp-cai .tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; color: var(--accent); margin-bottom: 16px; }
.vbp-cai h3 { font-family: var(--serif); font-size: 22px; font-weight: 400; line-height: 1.22; margin: 0 0 18px; }
.vbp-cai dl { margin: 0; }
.vbp-cai dt { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-top: 14px; }
.vbp-cai dd { margin: 4px 0 0; font-size: 14px; line-height: 1.5; color: var(--ink-soft); }
.vbp-cai dd b { color: var(--ink); font-weight: 600; }
@media (max-width: 860px) { .vbp-cai { grid-template-columns: 1fr; } .vbp-cai > a { border-right: 0; border-bottom: 1px solid var(--rule); } }

/* ---------- Footer service groups (3-column architecture) ---------- */
.vbp-footer { border-top: 1px solid var(--rule); background: var(--bg); padding: 72px 0 40px; margin-top: 80px; }
.vbp-foot-top { display: grid; grid-template-columns: 1.05fr 1.5fr 0.85fr 1.05fr; gap: 40px; padding-bottom: 44px; border-bottom: 1px solid var(--rule-soft); }
.vbp-footer img.foot-logo { height: 50px; width: auto; }
.vbp-footer h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); font-weight: 500; margin: 0 0 18px; }
.vbp-footer .links a { display: block; font-size: 14px; text-decoration: none; color: var(--ink-soft); padding: 4px 0; line-height: 1.4; }
.vbp-footer .links a:hover { color: var(--accent); }
.vbp-footer .grp + .grp { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--rule-soft); }
.vbp-footer .foot-bottom { display: flex; justify-content: space-between; padding-top: 32px; gap: 16px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; color: var(--muted); }
@media (max-width: 860px) { .vbp-foot-top { grid-template-columns: 1fr 1fr; } }

/* ---------- Tools strip (value-creation tools, surfaced contextually) ---------- */
.vbp-tools { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.vbp-tool { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; text-decoration: none; color: inherit; padding: 34px 36px; border-right: 1px solid var(--rule); transition: background 150ms ease; }
.vbp-tool:last-child { border-right: 0; }
.vbp-tool:hover { background: linear-gradient(to bottom, var(--accent-soft), transparent 85%); }
.vbp-tool .k { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--slate); }
.vbp-tool h4 { font-family: var(--serif); font-size: 23px; font-weight: 400; line-height: 1.12; margin: 12px 0 8px; }
.vbp-tool p { font-size: 14px; color: var(--muted); line-height: 1.5; max-width: 38ch; }
.vbp-tool .go { font-family: var(--serif); font-size: 24px; color: var(--muted); transition: color 150ms ease; }
.vbp-tool:hover .go { color: var(--accent); }
@media (max-width: 860px) { .vbp-tools { grid-template-columns: 1fr; } .vbp-tool { border-right: 0; border-bottom: 1px solid var(--rule); } }

/* ---------- Service detail helpers (services page) ---------- */
.vbp-caps { font-family: var(--mono); font-size: 11px; letter-spacing: 0.05em; color: var(--slate); margin-top: 14px; line-height: 1.5; }
[id] { scroll-margin-top: 100px; }

/* group overview cards */
.vbp-grp-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.vbp-grp-cards > a { text-decoration: none; color: inherit; padding: 32px 32px 36px; border-right: 1px solid var(--rule); transition: background 150ms ease; }
.vbp-grp-cards > a:last-child { border-right: 0; }
.vbp-grp-cards > a:hover { background: linear-gradient(to bottom, var(--accent-soft), transparent 80%); }
.vbp-grp-cards .k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--slate); }
.vbp-grp-cards h3 { font-family: var(--serif); font-size: 30px; font-weight: 400; line-height: 1.05; margin: 12px 0 12px; }
.vbp-grp-cards p { font-size: 14px; color: var(--muted); line-height: 1.55; max-width: 34ch; }
@media (max-width: 860px) { .vbp-grp-cards { grid-template-columns: 1fr; } .vbp-grp-cards > a { border-right: 0; border-bottom: 1px solid var(--rule); } }
