/* Scenario 77 — Practice Area pages.
   Extends home.css. Set --pa / --pa-pressed via [data-pa] on <body>. */

[data-pa="csd"] {
  --pa: var(--red);
  --pa-pressed: var(--red-pressed);
  --pa-rgb: 208, 20, 15;
}
[data-pa="sm"] {
  --pa: var(--steel);
  --pa-pressed: #356a93;
  --pa-rgb: 70, 130, 180;
}
[data-pa="aia"] {
  --pa: var(--jade);
  --pa-pressed: #00865A;
  --pa-rgb: 0, 168, 107;
}

/* PA-tinted versions of shared things */
[data-pa] .eyebrow                 { color: var(--pa); }
[data-pa] .accent-pa               { color: var(--pa); }
[data-pa] .btn-pa                  { background: var(--pa); color: var(--text-primary); }
[data-pa] .btn-pa:hover            { background: var(--pa-pressed); }
[data-pa] .btn-ghost:hover         { border-color: var(--pa); }
[data-pa] .btn-text                { color: var(--pa); }
[data-pa] .pa-card:hover           { border-color: var(--pa); }
[data-pa] .nav-cta .btn-primary    { background: var(--pa); }
[data-pa] .nav-cta .btn-primary:hover { background: var(--pa-pressed); }

/* Nav: indicate active practice area in the marker row */
.nav-marker.is-active {
  color: var(--text-primary);
  background: rgba(var(--pa-rgb), 0.06);
  border-top: 2px solid var(--pa);
  margin-top: -1px;
}
.nav-marker.is-active::after {
  content: ""; flex: 1;
}

/* ============== PA Hero ============== */
.pa-hero {
  position: relative;
  background:
    radial-gradient(rgba(245,245,245, calc(var(--grid-opacity) + 0.03)) 1px, transparent 1px) 0 0 / var(--grid-size) var(--grid-size),
    linear-gradient(135deg, #0E0E11 0%, #14141A 100%);
  border-bottom: 1px solid var(--border);
  padding: 96px 0 var(--section-py);
  overflow: hidden;
}
.pa-hero .corner-mark {
  position: absolute; top: 28px; right: var(--gutter);
  display: flex; align-items: center; gap: 10px;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 11px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.1em;
}
.pa-hero .corner-mark .dot {
  width: 6px; height: 6px; background: var(--pa);
}
.pa-hero .hero-grid {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 80px;
  align-items: end;
}
.pa-hero .hero-main .eyebrow { margin-bottom: 32px; }
.pa-hero h1 { margin-bottom: 28px; max-width: 900px; }
.pa-hero h1 .accent-pa { color: var(--pa); }
.pa-hero .lede { max-width: 640px; margin-bottom: 40px; }
.pa-hero .cta-row { display: flex; gap: 16px; flex-wrap: wrap; }

/* Hero breadcrumb diagram — vertical methodology */
.pa-breadcrumb {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  position: relative;
}
.pa-breadcrumb .head {
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid var(--divider);
  padding-bottom: 14px; margin-bottom: 4px;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 11px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.12em;
}
.pa-breadcrumb .head .marker { display: flex; align-items: center; gap: 8px; }
.pa-breadcrumb .head .marker .dot {
  width: 6px; height: 6px; background: var(--pa);
}
.pa-breadcrumb .stage {
  display: grid; grid-template-columns: 32px 1fr auto; gap: 14px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--divider);
}
.pa-breadcrumb .stage:last-child { border-bottom: none; }
.pa-breadcrumb .stage .num {
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 11px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.1em;
}
.pa-breadcrumb .stage .label {
  font-family: var(--font-heading); font-weight: 600; font-size: 16px;
  color: var(--text-secondary); letter-spacing: -0.005em;
}
.pa-breadcrumb .stage .tag {
  font-family: var(--font-heading); font-size: 10px; font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.12em;
}
.pa-breadcrumb .stage.is-current {
  background: linear-gradient(90deg, rgba(var(--pa-rgb), 0.10), transparent);
  margin: 0 -28px;
  padding: 22px 28px;
  border-top: 1px solid rgba(var(--pa-rgb), 0.4);
  border-bottom: 1px solid rgba(var(--pa-rgb), 0.4);
  position: relative;
}
.pa-breadcrumb .stage.is-current::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--pa);
}
.pa-breadcrumb .stage.is-current .num { color: var(--pa); }
.pa-breadcrumb .stage.is-current .label { color: var(--text-primary); font-weight: 700; }
.pa-breadcrumb .stage.is-current .tag { color: var(--pa); }
.pa-breadcrumb .legend {
  margin-top: 18px; padding-top: 14px;
  border-top: 1px solid var(--divider);
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 10px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.12em;
  display: flex; justify-content: space-between;
}

/* ============== Section primitive overrides shared ============== */

/* ============== "The work this practice area addresses" ============== */
.work-frame {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 96px; align-items: start;
}
.work-frame .lead h2 { margin-bottom: 24px; max-width: 520px; }
.work-frame .lead h2 .accent-pa { color: var(--pa); }
.work-frame .lead p { color: var(--text-secondary); max-width: 480px; margin-bottom: 16px; }
.work-frame .lead p:last-child { margin-bottom: 0; }
.work-frame .signals {
  display: flex; flex-direction: column;
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
}
.work-frame .signals .item {
  display: grid; grid-template-columns: 56px 1fr; gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--divider);
}
.work-frame .signals .item:last-child { border-bottom: none; }
.work-frame .signals .item .tag {
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 11px; color: var(--pa);
  text-transform: uppercase; letter-spacing: 0.12em;
  padding-top: 4px;
}
.work-frame .signals .item .text {
  font-size: 15px; line-height: 1.65; color: var(--text-primary);
}
.work-frame .signals .item .text strong { color: var(--text-primary); font-weight: 700; }
.work-frame .signals .item .text .muted { color: var(--text-secondary); display: block; margin-top: 6px; }

/* ============== Deliverables — services with examples ============== */
.deliverables {
  display: flex; flex-direction: column;
}
.deliverables .service {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 64px;
  padding: 64px 0;
  border-top: 1px solid var(--divider);
  align-items: start;
}
.deliverables .service:first-child { border-top: none; padding-top: 24px; }
.deliverables .service:last-child  { padding-bottom: 24px; }
.deliverables .service .meta {
  position: sticky; top: 132px;
  display: flex; flex-direction: column; gap: 14px;
}
.deliverables .service .meta .index {
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 11px; color: var(--pa);
  text-transform: uppercase; letter-spacing: 0.14em;
  display: flex; align-items: center; gap: 10px;
}
.deliverables .service .meta .index .dot {
  width: 6px; height: 6px; background: var(--pa);
}
.deliverables .service .meta h3 {
  font-family: var(--font-heading); font-weight: 700;
  font-size: 26px; line-height: 1.2; letter-spacing: -0.012em;
  color: var(--text-primary);
}
.deliverables .service .body {
  display: flex; flex-direction: column; gap: 28px;
}
.deliverables .service .body > p {
  font-size: 17px; line-height: 1.65; color: var(--text-secondary);
  max-width: 680px;
}
.deliverables .service .example {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--pa);
  border-radius: 0 10px 10px 0;
  padding: 24px 28px;
  display: flex; flex-direction: column; gap: 14px;
  max-width: 680px;
}
.deliverables .service .example .ex-head {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 11px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.14em;
  border-bottom: 1px solid var(--divider);
  padding-bottom: 12px;
}
.deliverables .service .example .ex-head .who { color: var(--text-primary); font-weight: 700; }
.deliverables .service .example .ex-body {
  font-size: 15px; line-height: 1.65; color: var(--text-secondary);
}
.deliverables .service .example .ex-outcome {
  display: flex; gap: 14px; align-items: baseline;
  padding-top: 12px;
  border-top: 1px solid var(--divider);
}
.deliverables .service .example .ex-outcome .ind {
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 10px; color: var(--pa);
  text-transform: uppercase; letter-spacing: 0.14em;
  flex: none; padding-top: 3px;
}
.deliverables .service .example .ex-outcome .met {
  font-family: var(--font-heading); font-weight: 700;
  font-size: 16px; color: var(--text-primary);
  line-height: 1.4; letter-spacing: -0.005em;
}

.deliverables-thread {
  margin-top: 56px;
  border-top: 1px solid var(--divider);
  padding-top: 32px;
  font-size: 15px; color: var(--text-secondary);
  display: grid; grid-template-columns: 240px 1fr; gap: 64px;
}
.deliverables-thread .label {
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 11px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.14em;
}
.deliverables-thread p { max-width: 680px; }
.deliverables-thread p strong { color: var(--text-primary); font-weight: 600; }

/* ============== When this practice area fits ============== */
.fits {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
}
.fits .head { grid-column: 1 / -1; margin-bottom: 16px; }
.fits .head h2 { margin-bottom: 16px; }
.fits .head .lede { max-width: 720px; }
.fits .head h2 .accent-pa { color: var(--pa); }
.fits .item {
  display: grid; grid-template-columns: 24px 1fr; gap: 16px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  align-items: start;
}
[data-rhythm="alt"] .section.surface .fits .item { background: var(--surface); }
.fits .item .check {
  width: 20px; height: 20px;
  border: 1.5px solid var(--pa);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex: none; margin-top: 2px;
}
.fits .item .check::after {
  content: ""; width: 8px; height: 8px;
  background: var(--pa); border-radius: 50%;
}
.fits .item .text {
  font-size: 15px; line-height: 1.6; color: var(--text-primary);
}
.fits .item .text strong { font-weight: 700; color: var(--text-primary); }

/* ============== "When it's part of a bigger picture" ============== */
.bigger {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 96px; align-items: start;
}
.bigger .lead h2 { margin-bottom: 24px; max-width: 480px; }
.bigger .lead p {
  font-size: 16px; line-height: 1.7; color: var(--text-secondary);
  max-width: 480px; margin-bottom: 14px;
}
.bigger .lead p:last-child { margin-bottom: 0; }

.bigger .related {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
.bigger .related .rel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--rel-color);
  border-radius: 0 0 12px 12px;
  padding: 28px;
  display: flex; flex-direction: column; gap: 14px;
  text-decoration: none; color: inherit;
  transition: border-color 150ms ease, transform 150ms ease;
}
[data-rhythm="alt"] .section.surface .bigger .related .rel { background: var(--bg); }
.bigger .related .rel:hover { transform: translateY(-2px); }
.bigger .related .rel .label {
  font-family: var(--font-heading); font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--rel-color);
}
.bigger .related .rel h4 {
  font-family: var(--font-heading); font-weight: 700; font-size: 19px;
  line-height: 1.25; letter-spacing: -0.008em;
}
.bigger .related .rel p {
  font-size: 14px; line-height: 1.6; color: var(--text-secondary);
}
.bigger .related .rel .arrow {
  font-family: var(--font-heading); font-size: 12px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--rel-color);
  margin-top: auto;
}
.bigger .related .rel[data-rel="csd"] { --rel-color: var(--red); }
.bigger .related .rel[data-rel="sm"]  { --rel-color: var(--steel); }
.bigger .related .rel[data-rel="aia"] { --rel-color: var(--jade); }

.bigger .sequence {
  grid-column: 1 / -1;
  margin-top: 32px;
  padding: 28px 32px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  display: grid; grid-template-columns: 240px 1fr; gap: 48px;
  align-items: center;
}
[data-rhythm="alt"] .section.surface .bigger .sequence { background: var(--surface); }
.bigger .sequence .label {
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 11px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.14em;
}
.bigger .sequence .flow {
  display: flex; align-items: center; gap: 12px;
  flex-wrap: wrap;
}
.bigger .sequence .flow .chip {
  font-family: var(--font-heading); font-weight: 600; font-size: 13px;
  letter-spacing: -0.005em;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  white-space: nowrap;
}
.bigger .sequence .flow .chip.is-here {
  background: rgba(var(--pa-rgb), 0.12);
  border-color: var(--pa);
  color: var(--text-primary);
}
.bigger .sequence .flow .arr {
  font-family: 'SFMono-Regular', Consolas, monospace;
  color: var(--text-muted); font-size: 12px;
}

/* ============== Foot CTA overrides per practice area ============== */
[data-pa] .foot-cta h2 .accent-pa { color: var(--pa); }
[data-pa] .foot-cta .btn-primary { background: var(--pa); }
[data-pa] .foot-cta .btn-primary:hover { background: var(--pa-pressed); }
[data-pa] .strategy-block .btn-primary { background: var(--pa); }
[data-pa] .strategy-block .btn-primary:hover { background: var(--pa-pressed); }

/* PA-specific eyebrow line break in big h2 */
.pa-section-head { margin-bottom: 80px; max-width: 880px; }
.pa-section-head .eyebrow { margin-bottom: 20px; }
.pa-section-head h2 { margin-bottom: 22px; }
.pa-section-head h2 .accent-pa { color: var(--pa); }
.pa-section-head .lede { color: var(--text-secondary); }

/* ============== Responsive ============== */
@media (max-width: 980px) {
  .pa-hero .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .work-frame { grid-template-columns: 1fr; gap: 40px; }
  .deliverables .service { grid-template-columns: 1fr; gap: 24px; }
  .deliverables .service .meta { position: static; }
  .deliverables-thread { grid-template-columns: 1fr; gap: 16px; }
  .fits { grid-template-columns: 1fr; }
  .bigger { grid-template-columns: 1fr; gap: 32px; }
  .bigger .related { grid-template-columns: 1fr; }
  .bigger .sequence { grid-template-columns: 1fr; gap: 18px; padding: 22px; }
}
