/*
 * Location pages (ai-consulting-philadelphia.html, ai-enablement-conshohocken.html).
 * Design-system tokens (01-marketing/brand/design-system/DESIGN.md): the dark-gray
 * surface ramp, Signal Red as the one accent, Exo 2 display, Inter body, JetBrains
 * Mono for figures, flat matte. Loaded after Basecoat 1.0.2
 * (workbench/assets/vendor/basecoat/), which reads the shadcn-style variables in
 * the first block. Basecoat's rules sit in a cascade layer, so these unlayered
 * rules win; colours on .btn are set explicitly for that reason.
 */
:root {
    --radius: 2px;
    --background: #24272C;
    --foreground: #EDEEF0;
    --card: #1D2024;
    --card-foreground: #EDEEF0;
    --popover: #2A2E33;
    --popover-foreground: #EDEEF0;
    --primary: #FD1528;
    --primary-foreground: #FFFFFF;
    --secondary: #30353B;
    --secondary-foreground: #EDEEF0;
    --muted: #2A2E33;
    --muted-foreground: #A5ABB3;
    --accent: #30353B;
    --accent-foreground: #EDEEF0;
    --destructive: #FD1528;
    --border: #3F454D;
    --input: #4E555E;
    --ring: #FD1528;

    --surface-dim: #191C20;
    --structural: #1D2024;
    --surface: #24272C;
    --outline-subtle: #2E3339;
    --elevated: #2A2E33;
    --container: #30353B;
    --stroke: #3F454D;
    --outline: #4E555E;
    --ink: #EDEEF0;
    --ink-2: #A5ABB3;
    --ink-3: #767D86;
    --red: #FD1528;
    --red-dark: #D6101F;
    --display: 'Exo 2', 'Inter', system-ui, sans-serif;
    --body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, Consolas, 'Liberation Mono', monospace;
}

html { scroll-behavior: smooth; }
[id] { scroll-margin-top: 84px; }
body {
    margin: 0;
    font-family: var(--body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--ink);
    background: var(--surface);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 14px; }
strong { color: var(--ink); font-weight: 600; }
dfn { font-style: normal; }
::selection { background: var(--red); color: #fff; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

.wrap { max-width: 1200px; margin-inline: auto; padding-inline: 16px; }
@media (min-width: 768px) { .wrap { padding-inline: 32px; } }

h1, h2, h3 {
    font-family: var(--display);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.08;
    margin: 0;
    color: var(--ink);
    text-wrap: balance;
}
h1 { font-size: clamp(36px, 5.2vw, 64px); max-width: 16ch; }
h2 { font-size: clamp(26px, 3.2vw, 38px); max-width: 28ch; }
h3 { font-size: 18px; font-weight: 700; letter-spacing: -0.01em; }

.eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 18px;
    font-family: var(--display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--ink-2);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--red); transform: skewX(-12deg); flex: none; }
.lead { margin: 20px 0 0; max-width: 62ch; font-size: 18px; line-height: 1.6; color: var(--ink-2); }
.lead strong { font-weight: 600; }
.byline { margin: 18px 0 0; font-size: 13.5px; color: var(--ink-3); }
.byline a { color: var(--ink-2); border-bottom: 1px solid var(--outline); }
.byline a:hover { color: var(--ink); }
.prose { max-width: 70ch; }
.prose p { color: var(--ink-2); }
.prose a, .inline { color: var(--ink); border-bottom: 1px solid var(--outline); }
.prose a:hover, .inline:hover { color: var(--red); border-color: var(--red); }

/* Buttons (Basecoat .btn, brand shape) */
.btn {
    height: 44px;
    padding-inline: 20px;
    border-radius: 2px;
    font-family: var(--display);
    font-size: 13.5px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    background-color: var(--red);
    color: #fff;
    border: 1px solid transparent;
    box-shadow: none;
}
.btn[data-variant="outline"] { background-color: transparent; color: var(--ink); border-color: var(--outline); }
@media (hover: hover) {
    .btn:not([data-variant]):hover { background-color: var(--red-dark); }
    .btn[data-variant="outline"]:hover { background-color: var(--container); }
}
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin-top: 26px; }
.textlink { font-size: 14.5px; color: var(--ink); border-bottom: 1px solid var(--outline); }
.textlink:hover { color: var(--red); border-color: var(--red); }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; height: 64px; background: var(--structural); border-bottom: 1px solid var(--stroke); }
.nav-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 100%; max-width: 1200px; margin-inline: auto; padding-inline: 16px; }
@media (min-width: 768px) { .nav-in { padding-inline: 32px; } }
.nav-logo img { height: 22px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { font-family: var(--display); font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); white-space: nowrap; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
@media (max-width: 720px) { .nav-links .m-hide { display: none; } .nav-logo img { height: 18px; } }

/* Hero: copy left, the office card right from 960px */
.hero { padding: 48px 0 44px; background: var(--surface-dim); border-bottom: 1px solid var(--outline-subtle); }
.hero-grid { display: grid; gap: 32px; }
.hero-grid > * { min-width: 0; }
@media (min-width: 960px) { .hero { padding: 72px 0 60px; } .hero-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 56px; align-items: start; } }
.crumbs { margin: 0 0 22px; font-size: 13px; color: var(--ink-3); }
.crumbs a { color: var(--ink-2); }
.crumbs a:hover { color: var(--ink); }
.crumbs span { margin-inline: 6px; }

/* Office card (Basecoat .card, flattened): name, address, service area, contact */
.office.card { gap: 0; padding: 0; border: 1px solid var(--outline); border-left: 3px solid var(--red); border-radius: 2px; box-shadow: none; background: var(--structural); color: var(--ink); }
.office.card > header { padding: 14px 16px 10px; border-bottom: 1px solid var(--outline-subtle); }
.office.card > header h2 { font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); max-width: none; }
.office.card > section { padding: 6px 16px 14px; }
.office dl { display: grid; grid-template-columns: 96px minmax(0, 1fr); margin: 0; font-size: 14px; line-height: 1.45; }
.office dt, .office dd { margin: 0; padding: 7px 0; border-bottom: 1px solid var(--outline-subtle); }
.office dt { font-family: var(--display); font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); padding-top: 9px; }
.office dd { color: var(--ink); }
.office dt:last-of-type, .office dd:last-of-type { border-bottom: 0; }
.office dd a { border-bottom: 1px solid var(--outline); }
.office dd a:hover { color: var(--red); border-color: var(--red); }

.sec { padding-block: 56px; border-top: 1px solid var(--outline-subtle); }
@media (min-width: 960px) { .sec { padding-block: 80px; } }
.sec.panel { background: var(--structural); }
h2 + .lead, h2 + .prose, h2 + .defs, h2 + .steps, h2 + .tbl-wrap, h2 + .stats, h2 + .areas { margin-top: 22px; }
.prose + .tbl-wrap, .lead + .tbl-wrap, .tbl-wrap + .prose, .stats + .tbl-wrap, .lead + .areas, .lead + .stats { margin-top: 24px; }
.steps + .tbl-wrap { margin-top: 32px; }

/* Definition block */
.defs { display: grid; gap: 12px; margin-bottom: 24px; }
@media (min-width: 900px) { .defs.two { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.def { border: 1px solid var(--outline); border-left: 3px solid var(--red); background: var(--elevated); padding: 16px 18px; max-width: 78ch; }
.def h3 { margin: 0 0 6px; }
.def p { margin: 0; color: var(--ink-2); }

/* Numbered steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; counter-reset: step; }
@media (min-width: 600px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.step { border: 1px solid var(--outline); background: var(--surface); padding: 16px 16px 14px; }
.sec:not(.panel) .step { background: var(--structural); }
.step::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: 10px; font-family: var(--mono); font-size: 12px; letter-spacing: .08em; color: var(--red); }
.step h3 { font-size: 17px; margin: 0 0 6px; }
.step p { margin: 0; font-size: 14.5px; line-height: 1.55; color: var(--ink-2); }

/* Tables, house style: minimal padding, a hairline under every row, a firmer
   rule under every third row, figures in monospace and right-aligned. */
.tbl-wrap { overflow-x: auto; }
.tbl-cap { margin: 0 0 8px; font-family: var(--display); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); }
.table.tbl { width: 100%; border-collapse: collapse; font-size: 14px; line-height: 1.45; }
.table.tbl th { height: auto; padding: 5px 8px; border-bottom: 1px solid var(--outline); font-family: var(--display); font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); text-align: left; white-space: nowrap; }
.table.tbl td { padding: 5px 8px; border-bottom: 1px solid var(--outline-subtle); color: var(--ink-2); white-space: normal; vertical-align: top; }
.table.tbl tbody tr:nth-child(3n) td { border-bottom-color: var(--outline); }
.table.tbl tbody tr:hover { background: transparent; }
.table.tbl th:first-child, .table.tbl td:first-child { padding-left: 0; }
.table.tbl th:last-child, .table.tbl td:last-child { padding-right: 0; }
.table.tbl td:first-child { color: var(--ink); font-weight: 600; }
.table.tbl .num { font-family: var(--mono); font-weight: 500; text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; color: var(--ink); }
.table.tbl th.num { font-family: var(--display); font-weight: 700; color: var(--ink-2); }
.table.tbl a { color: var(--ink); border-bottom: 1px solid var(--outline); }
.table.tbl a:hover { color: var(--red); border-color: var(--red); }
.fine { margin: 10px 0 0; font-size: 13.5px; color: var(--ink-3); }
.fine a { color: var(--ink-2); border-bottom: 1px solid var(--outline); }
@media (max-width: 599px) {
    .table.tbl { font-size: 13.5px; }
    .table.tbl td, .table.tbl th { padding-inline: 4px; }
    .table.tbl th { white-space: normal; letter-spacing: .06em; vertical-align: bottom; }
    .table.tbl td { hyphens: auto; }
    .table.tbl .m-hide { display: none; }
}
@media (max-width: 400px) {
    .cta-row .btn { width: 100%; padding-inline: 12px; font-size: 12.5px; letter-spacing: .06em; }
}

/* Citation-ready figures */
.stats { display: grid; gap: 1px; background: var(--outline-subtle); border: 1px solid var(--outline-subtle); }
@media (min-width: 700px) { .stats { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.stat { background: var(--surface); padding: 18px 18px 16px; }
.sec.panel .stat { background: var(--surface); }
.stat-highlight { display: block; font-family: var(--mono); font-size: clamp(28px, 3.4vw, 40px); font-weight: 500; letter-spacing: -0.02em; line-height: 1.05; color: var(--ink); }
.stat p { margin: 8px 0 0; font-size: 14.5px; color: var(--ink-2); }
.stat .src { margin-top: 6px; font-size: 12.5px; color: var(--ink-3); }
.stat .src a { color: var(--ink-2); border-bottom: 1px solid var(--outline); }

/* Service area */
.areas { display: grid; gap: 12px; }
@media (min-width: 700px) { .areas { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.area { border-top: 2px solid var(--stroke); padding-top: 12px; }
.area h3 { font-size: 15px; margin: 0 0 6px; }
.area p { margin: 0; font-size: 14.5px; color: var(--ink-2); }
.area a { color: var(--ink); border-bottom: 1px solid var(--outline); }

/* Founder: copy left, the photo right. The photo stays a photo. */
.founder { display: grid; gap: 28px; align-items: center; }
.founder > * { min-width: 0; }
@media (min-width: 900px) { .founder { grid-template-columns: minmax(0, 1fr) 340px; gap: 56px; } }
.founder img { width: 100%; max-width: 340px; border: 1px solid var(--stroke); border-radius: 2px; }

/* FAQ */
.faq { display: grid; gap: 22px 40px; margin-top: 22px; }
@media (min-width: 900px) { .faq { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.faq h3 { font-size: 17px; margin: 0 0 6px; }
.faq p { margin: 0; font-size: 15px; color: var(--ink-2); }
.faq a { color: var(--ink); border-bottom: 1px solid var(--outline); }

/* Related pages */
.related { display: grid; gap: 0 32px; margin-top: 22px; list-style: none; padding: 0; }
@media (min-width: 700px) { .related { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.related li { padding: 9px 0; border-bottom: 1px solid var(--outline-subtle); font-size: 15px; color: var(--ink-2); }
.related li a { color: var(--ink); font-weight: 600; border-bottom: 1px solid var(--outline); }
.related li a:hover { color: var(--red); border-color: var(--red); }

/* Closing band */
.cta-band { padding: 64px 0; background: var(--surface-dim); border-top: 1px solid var(--outline-subtle); }
@media (min-width: 960px) { .cta-band { padding: 88px 0; } }
.cta-band h2 { font-size: clamp(30px, 4.4vw, 52px); }

/* Footer */
.footer { border-top: 1px solid var(--outline-subtle); background: var(--structural); padding-block: 32px 28px; font-size: 13.5px; }
.f-groups { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; padding-bottom: 24px; }
@media (min-width: 800px) { .f-groups { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.f-groups h4 { margin: 0 0 10px; font-family: var(--display); font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ink); }
.f-groups ul { list-style: none; margin: 0; padding: 0; }
.f-groups li { padding: 3px 0; }
.f-groups a { color: var(--ink-2); }
.f-groups a:hover, .f-groups a[aria-current="page"] { color: var(--ink); }
.f-bar { display: flex; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; padding-top: 18px; border-top: 1px solid var(--outline-subtle); color: var(--ink-2); }
.f-bar a { color: var(--ink-2); }
.f-bar a:hover { color: var(--ink); }