/* ============================================================
   Cogniron — Platform page template
   Extends homepage.css (same "Steel" system: Zinc + Indigo).
   Every component here is CONTENT-DRIVEN — layouts flex with any
   text length and any number of items (no hardcoded counts), so
   editing copy never breaks the design.
   Reuses from homepage.css: .nav/.np-*, .crumb (service-detail),
   .btn, .eyebrow, .accent-bar, .brand-mark, .finalcta, .footer,
   .band-dark, .reveal.
   ============================================================ */

/* ── Breadcrumb (mirrors service-detail) ─────────────── */
.crumb { display: flex; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em; color: var(--text-tertiary); }
.crumb a { color: var(--text-secondary); text-decoration: none; transition: color 140ms ease; }
.crumb a:hover { color: var(--accent); }
.crumb .sep { opacity: 0.5; }
.crumb .here { color: var(--text-primary); }

/* ════════════════════════════════════════════════════════
   HERO — headline + at-a-glance spec card
   ════════════════════════════════════════════════════════ */
.pf-hero { padding: 40px 0 96px; position: relative; overflow: hidden; }
.pf-hero::after { content: ""; position: absolute; top: -26%; right: -8%; width: 680px; height: 600px; background:
    radial-gradient(42% 48% at 72% 18%, color-mix(in srgb, var(--accent) 30%, transparent), transparent 62%),
    radial-gradient(34% 42% at 96% 44%, color-mix(in srgb, #8B5CF6 24%, transparent), transparent 64%),
    radial-gradient(46% 52% at 54% -6%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 66%); pointer-events: none; z-index: 0; filter: blur(6px); }
.pf-hero-grid { position: relative; z-index: 1; margin-top: 40px; display: grid; grid-template-columns: minmax(0,1.08fr) minmax(0,0.92fr); gap: 64px; align-items: center; }
.pf-platform-tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent);
}
.pf-platform-tag .dot { width: 7px; height: 7px; border-radius: 999px; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-subtle); }
.pf-h1 { margin-top: 22px; font-size: clamp(34px, 4vw, 56px); line-height: 1.1; letter-spacing: -0.024em; font-weight: 500; color: var(--text-primary); max-width: 16ch; text-wrap: balance; }
.pf-h1 em { color: var(--accent); font-family: var(--font-sans); font-style: normal; font-weight: 600; letter-spacing: -0.02em; line-height: 1; }
.pf-sub { margin-top: 36px; font-size: 19px; line-height: 1.55; color: var(--text-secondary); max-width: 52ch; text-wrap: pretty; }
.pf-hero .hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.pf-note { margin-top: 24px; display: flex; align-items: flex-start; gap: 10px; font-family: var(--font-mono); font-size: 12px; line-height: 1.5; color: var(--text-tertiary); max-width: 50ch; }
.pf-note .pf-note-mk { color: var(--accent); flex: none; }

/* At-a-glance spec card */
.pf-glance { border: 1px solid var(--border-subtle); border-radius: 16px; background: var(--bg-elevated); overflow: hidden; box-shadow: 0 1px 0 rgba(0,0,0,0.02), 0 32px 70px -48px rgba(9,9,11,0.26); }
.pf-glance-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 15px 20px; border-bottom: 1px solid var(--border-subtle); background: var(--bg-subtle); }
.pf-glance-head .ttl { font-family: var(--font-mono); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-primary); }
.pf-glance-head .badge { font-family: var(--font-mono); font-size: 10.5px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; padding: 4px 10px; border-radius: 999px; color: var(--accent); background: var(--accent-subtle); }
.pf-glance-body { padding: 6px 22px 10px; }
.pf-glance-row { display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: baseline; padding: 15px 0; border-bottom: 1px solid var(--border-subtle); }
.pf-glance-row:last-child { border-bottom: none; }
.pf-glance-row .gk { font-size: 14px; color: var(--text-secondary); }
.pf-glance-row .gv { font-family: var(--font-mono); font-size: 13px; font-weight: 600; color: var(--text-primary); text-align: right; letter-spacing: -0.01em; }
.pf-glance-row .gv.accent { color: var(--accent); }

/* ════════════════════════════════════════════════════════
   OVERVIEW — editorial lead band
   ════════════════════════════════════════════════════════ */
.pf-overview-grid { display: grid; grid-template-columns: minmax(0,0.8fr) minmax(0,1.2fr); gap: 64px; align-items: start; }
.pf-overview-lead { font-family: var(--font-sans); font-style: normal; font-weight: 500; font-size: clamp(26px, 3vw, 38px); line-height: 1.2; letter-spacing: -0.022em; color: var(--text-primary); text-wrap: balance; }
.pf-overview-lead em, .pf-overview-lead strong { color: var(--accent); font-style: normal; font-weight: 500; }
.pf-overview-lead .rd-w { will-change: opacity; transition: opacity .15s linear; }
@media (prefers-reduced-motion: reduce) { .pf-overview-lead .rd-w { opacity: 1 !important; } }
.pf-overview-body { display: flex; flex-direction: column; gap: 22px; padding-top: 8px; }
.pf-overview-body p { font-size: 18px; line-height: 1.62; color: var(--text-secondary); text-wrap: pretty; max-width: 60ch; }
.pf-overview-body p strong { color: var(--text-primary); font-weight: 600; }

/* ════════════════════════════════════════════════════════
   PILLARS / MODULES — flexible repeating blocks
   Auto-fit grid: 1 col on small, fits 2+ when room. No fixed count.
   ════════════════════════════════════════════════════════ */
.pf-pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 28px; margin-top: 56px; }
.pf-pillar {
  display: flex; flex-direction: column;
  border: 1px solid var(--border-subtle); border-radius: 18px;
  background: var(--bg-elevated); padding: 32px 32px 34px;
  position: relative; overflow: hidden;
  transition: border-color 200ms ease, transform 200ms cubic-bezier(.22,1,.36,1), box-shadow 200ms ease;
}
.pf-pillar::before { content: ""; position: absolute; left: 0; top: 0; right: 0; height: 3px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform 320ms cubic-bezier(.22,1,.36,1); }
.pf-pillar:hover { border-color: var(--border-default); transform: translateY(-3px); box-shadow: 0 28px 60px -40px rgba(9,9,11,0.3); }
.pf-pillar:hover::before { transform: scaleX(1); }
.pf-pillar-num { font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: 0.08em; color: var(--accent); }
.pf-pillar-name { margin-top: 14px; font-size: 25px; font-weight: 600; letter-spacing: -0.016em; color: var(--text-primary); }
.pf-pillar-for { margin-top: 10px; font-size: 15px; line-height: 1.5; color: var(--text-secondary); }
.pf-pillar-for em { color: var(--text-primary); font-style: normal; font-weight: 500; }
.pf-pillar-lbl { margin-top: 24px; padding-bottom: 12px; border-bottom: 1px solid var(--border-subtle); font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-tertiary); }
.pf-pillar-list { list-style: none; margin-top: 16px; display: flex; flex-direction: column; gap: 13px; }
.pf-pillar-list li { display: grid; grid-template-columns: 18px 1fr; gap: 12px; font-size: 15.5px; line-height: 1.5; color: var(--text-secondary); }
.pf-pillar-list .mk { color: var(--accent); font-family: var(--font-mono); font-size: 13px; padding-top: 2px; }
.pf-pillar-list li strong { color: var(--text-primary); font-weight: 600; }

/* ── Module rows (Velocity): heavier blocks with stage chips + features ── */
.pf-modules { margin-top: 56px; display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--border-default); }
.pf-module {
  display: grid; grid-template-columns: minmax(0,0.92fr) minmax(0,1.08fr); gap: 48px;
  padding: 44px 0; border-bottom: 1px solid var(--border-subtle); align-items: start;
  position: relative; transition: background 200ms ease;
}
.pf-module::before { content: ""; position: absolute; left: 0; top: -1px; height: 2px; width: 0; background: var(--accent); transition: width 320ms cubic-bezier(.22,1,.36,1); }
.pf-module:hover::before { width: 88px; }
.pf-module-head { position: sticky; top: 96px; }
.pf-module-idx { font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: 0.1em; color: var(--text-tertiary); }
.pf-module-name { margin-top: 12px; font-size: 27px; font-weight: 600; letter-spacing: -0.016em; line-height: 1.12; color: var(--text-primary); }
.pf-module-name .pf-module-kicker { display: block; margin-bottom: 4px; font-family: var(--font-mono); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent); }
.pf-module-tag { margin-top: 14px; font-size: 16px; line-height: 1.55; color: var(--text-secondary); max-width: 40ch; text-wrap: pretty; }
.pf-module-stages { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 7px; }
.pf-stage-chip { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.02em; color: var(--text-secondary); background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: 999px; padding: 5px 11px; }
.pf-stage-chip .n { color: var(--accent); }
.pf-module-feats { list-style: none; display: flex; flex-direction: column; gap: 13px; }
.pf-module-feats li { display: grid; grid-template-columns: 16px 1fr; gap: 11px; font-size: 15px; line-height: 1.5; color: var(--text-secondary); }
.pf-module-feats .mk { color: var(--accent); font-family: var(--font-mono); font-size: 12px; padding-top: 3px; }
.pf-module-feats li strong { color: var(--text-primary); font-weight: 600; }

/* ════════════════════════════════════════════════════════
   WORKFLOW STEPPER — interactive numbered stages
   Horizontal rail on desktop, click/hover a stage to reveal detail.
   Stages render from markup; count is not hardcoded.
   ════════════════════════════════════════════════════════ */
.pf-flow {
  margin-top: 56px; display: grid; grid-template-columns: minmax(280px, 0.92fr) 1.4fr;
  border: 1px solid var(--border-subtle); border-radius: 18px; overflow: hidden;
  background: var(--bg-canvas);
}
/* Left rail — vertical, numbered, clickable */
.pf-flow-rail { display: flex; flex-direction: column; border-right: 1px solid var(--border-subtle); }
.pf-flow-step {
  display: grid; grid-template-columns: 34px 1fr; gap: 15px; align-items: center;
  width: 100%; text-align: left; cursor: pointer; font-family: inherit;
  background: transparent; border: none; border-bottom: 1px solid var(--border-subtle);
  padding: 17px 22px 17px 19px; position: relative;
  transition: background 200ms ease;
}
.pf-flow-step:last-child { border-bottom: none; }
/* active left-edge accent indicator */
.pf-flow-step::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--accent); transform: scaleY(0); transform-origin: center; transition: transform 260ms cubic-bezier(.22,1,.36,1); }
.pf-flow-step:hover { background: var(--bg-subtle); }
.pf-flow-step.is-active { background: var(--bg-subtle); }
.pf-flow-step.is-active::before { transform: scaleY(1); }
.pf-flow-n { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 9px; font-family: var(--font-mono); font-size: 12.5px; font-weight: 600; color: var(--text-tertiary); background: var(--bg-surface); border: 1px solid var(--border-subtle); transition: color 200ms ease, background 200ms ease, border-color 200ms ease; }
.pf-flow-step.is-active .pf-flow-n, .pf-flow-step:hover .pf-flow-n { color: #fff; background: var(--accent); border-color: var(--accent); }
.pf-flow-name { font-size: 15.5px; font-weight: 600; letter-spacing: -0.01em; color: var(--text-secondary); line-height: 1.3; transition: color 200ms ease; }
.pf-flow-step.is-active .pf-flow-name, .pf-flow-step:hover .pf-flow-name { color: var(--text-primary); }
/* Right detail panel */
.pf-flow-detail {
  background: var(--bg-subtle); padding: 44px 48px;
  display: flex; flex-direction: column; justify-content: center; gap: 0;
}
.pf-flow-detail .fd-stage { font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: 0.1em; color: var(--accent); text-transform: uppercase; }
.pf-flow-detail .fd-stage .fd-of { color: var(--text-tertiary); }
.pf-flow-detail .fd-name { margin-top: 18px; font-size: clamp(26px, 2.6vw, 34px); font-weight: 600; letter-spacing: -0.02em; line-height: 1.12; color: var(--text-primary); }
.pf-flow-detail .fd-body { margin-top: 16px; font-size: 18px; line-height: 1.55; color: var(--text-secondary); text-wrap: pretty; max-width: 52ch; }
.pf-flow-detail .fd-body b { color: var(--accent); font-weight: 600; }

/* vertical fallback list — shown only on narrow screens */
.pf-flow-stack { display: none; }

/* ════════════════════════════════════════════════════════
   CHIP GRID — standards / endpoints / integrations / models
   ════════════════════════════════════════════════════════ */
.pf-chips { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%,300px), 1fr)); gap: 10px; margin-top: 48px; }
.pf-chip {
  display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: baseline;
  padding: 18px 20px; border: 1px solid var(--border-subtle); border-radius: 13px;
  background: var(--bg-subtle); transition: border-color 180ms ease, background 180ms ease, transform 180ms cubic-bezier(.22,1,.36,1);
}
.pf-chip:hover { border-color: var(--accent); background: var(--bg-surface); transform: translateY(-1px); }
.pf-chip .pf-chip-code { font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: 0.02em; color: var(--accent); white-space: nowrap; }
.pf-chip .pf-chip-name { font-size: 15px; font-weight: 600; letter-spacing: -0.008em; color: var(--text-primary); }
.pf-chip .pf-chip-desc { display: block; margin-top: 4px; font-size: 13.5px; line-height: 1.5; color: var(--text-secondary); text-wrap: pretty; }

/* compact mono tag row (endpoints / integrations / models) */
.pf-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; }
.pf-tag { display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-mono); font-size: 13px; font-weight: 500; color: var(--text-primary); background: var(--bg-subtle); border: 1px solid var(--border-subtle); border-radius: 999px; padding: 9px 16px; transition: border-color 160ms ease, color 160ms ease; }
.pf-tag:hover { border-color: var(--accent); }
.pf-tag .mk { width: 8px; height: 8px; border-radius: 999px; background: var(--accent); opacity: 0.55; }
.pf-tag:hover .mk { opacity: 1; }
.pf-tag .sub { color: var(--text-tertiary); }

/* Integrations / AI providers — editorial hairline-grid panel */
.pf-stack { display: grid; grid-template-columns: repeat(auto-fill, minmax(216px, 1fr)); gap: 1px; margin-top: 36px; background: var(--border-subtle); border: 1px solid var(--border-subtle); border-radius: 14px; overflow: hidden; }
.pf-stack-prov { grid-template-columns: repeat(auto-fill, minmax(186px, 1fr)); }
.pf-stack-card { background: var(--bg-canvas); padding: 20px 22px; display: flex; align-items: center; gap: 13px; position: relative; transition: background .22s ease; }
.pf-stack-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: var(--accent); transition: width .26s cubic-bezier(.22,1,.36,1); }
.pf-stack-card:hover { background: var(--bg-subtle); }
.pf-stack-card:hover::before { width: 3px; }
.pf-stack-mk { flex: none; min-width: 24px; font-family: var(--font-mono); font-size: 12px; font-weight: 700; letter-spacing: 0.04em; color: var(--accent); }
.pf-stack-tx { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.pf-stack-name { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; color: var(--text-primary); }
.pf-stack-sub { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.02em; color: var(--text-tertiary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pf-stack-note { margin-top: 24px; display: flex; align-items: flex-start; gap: 10px; font-family: var(--font-mono); font-size: 12px; line-height: 1.55; color: var(--text-tertiary); max-width: 64ch; }
.pf-stack-note .pf-note-mk { color: var(--accent); flex: none; }

/* Pinned scroll-through — section holds while the stepper advances */
@media (min-width: 1041px) and (prefers-reduced-motion: no-preference) {
  .pf-pin { min-height: 300vh; }
  .pf-pin > .wrap { position: sticky; top: 84px; }
}

/* ════════════════════════════════════════════════════════
   CAPABILITIES / BENEFITS — auto-fit feature cards
   ════════════════════════════════════════════════════════ */
.pf-caps { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1px; margin-top: 56px; background: var(--border-subtle); border: 1px solid var(--border-subtle); border-radius: 18px; overflow: hidden; }
.pf-cap { background: var(--bg-canvas); padding: 30px 30px 32px; position: relative; transition: background 200ms ease; }
.pf-cap:hover { background: var(--bg-subtle); }
.pf-cap-idx { font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: 0.08em; color: var(--accent); }
.pf-cap-name { margin-top: 16px; font-size: 19px; font-weight: 600; letter-spacing: -0.014em; line-height: 1.25; color: var(--text-primary); text-wrap: balance; }
.pf-cap-desc { margin-top: 12px; font-size: 15px; line-height: 1.58; color: var(--text-secondary); text-wrap: pretty; }
.pf-cap-desc strong { color: var(--text-primary); font-weight: 600; }

/* ════════════════════════════════════════════════════════
   AUDIENCE / USE-WHEN — editorial index rows
   ════════════════════════════════════════════════════════ */
.pf-index { list-style: none; margin-top: 48px; border-top: 1px solid var(--border-default); }
.pf-index li {
  display: grid; grid-template-columns: 56px 1fr; gap: 24px; align-items: baseline;
  padding: 24px 2px; border-bottom: 1px solid var(--border-subtle); position: relative;
  transition: padding 220ms cubic-bezier(.4,0,.2,1);
}
.pf-index li::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 0; height: 2px; background: var(--accent); transition: width 260ms cubic-bezier(.22,1,.36,1); }
.pf-index li:hover { padding-left: 14px; }
.pf-index li:hover::after { width: 64px; }
.pf-index .ix-n { font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: 0.08em; color: var(--text-tertiary); padding-top: 5px; }
.pf-index li:hover .ix-n { color: var(--accent); }
.pf-index .ix-t { font-size: 19px; font-weight: 500; letter-spacing: -0.012em; color: var(--text-primary); line-height: 1.4; text-wrap: pretty; }
.pf-index .ix-t b { font-weight: 600; }
.pf-index .ix-t em { color: var(--accent); font-style: normal; font-weight: 600; }

/* two-up index when used for short audience labels */
.pf-index.two-up { display: grid; grid-template-columns: 1fr 1fr; column-gap: 56px; border-top: none; }
.pf-index.two-up li:first-child, .pf-index.two-up li:nth-child(2) { border-top: 1px solid var(--border-default); }
.pf-index.two-up .ix-t { font-size: 17px; font-weight: 500; }

/* section sub-eyebrow for stacked sections inside one band */
.pf-subhead { display: flex; align-items: baseline; gap: 16px; margin-top: 84px; padding-bottom: 16px; border-bottom: 2px solid var(--text-primary); }
.pf-subhead:first-of-type { margin-top: 0; }
.pf-subhead .ttl { font-size: 22px; font-weight: 600; letter-spacing: -0.016em; color: var(--text-primary); }
.pf-subhead .meta { margin-left: auto; font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-tertiary); }

/* cross-link to the sibling platform / pod */
.pf-cross { margin-top: 64px; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 0; border-top: 1px solid var(--border-default); }
.pf-cross-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 28px 28px 28px 0; border-bottom: 1px solid var(--border-subtle); text-decoration: none; position: relative; transition: padding-left 200ms ease; }
.pf-cross-row + .pf-cross-row { border-left: 1px solid var(--border-subtle); padding-left: 28px; }
.pf-cross-row::before { content: ""; position: absolute; top: 0; bottom: 0; width: 0; background: var(--accent); transition: width 200ms ease; left: 0; }
.pf-cross-row:hover { padding-left: 14px; }
.pf-cross-row:hover::before { width: 3px; }
.pf-cross-row .pcr-k { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-tertiary); }
.pf-cross-row .pcr-t { margin-top: 8px; font-size: 19px; font-weight: 600; letter-spacing: -0.014em; color: var(--text-primary); }
.pf-cross-row .pcr-d { margin-top: 6px; font-size: 14px; line-height: 1.5; color: var(--text-secondary); max-width: 40ch; }
.pf-cross-row .arr { color: var(--accent); font-size: 18px; flex: none; transition: transform 160ms cubic-bezier(.4,0,.2,1); }
.pf-cross-row:hover .arr { transform: translateX(4px); }

/* ════════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════════ */
@media (max-width: 1040px) {
  .pf-hero-grid, .pf-overview-grid { grid-template-columns: 1fr; gap: 44px; }
  .pf-module { grid-template-columns: 1fr; gap: 24px; }
  .pf-module-head { position: static; }
  /* workflow → vertical stack */
  .pf-flow { display: block; border: none; border-radius: 0; background: transparent; }
  .pf-flow-rail { display: none; }
  .pf-flow-detail { display: none; }
  .pf-flow-stack { display: flex; flex-direction: column; border-top: 1px solid var(--border-default); }
  .pf-flow-srow { display: grid; grid-template-columns: 44px 1fr; gap: 18px; padding: 22px 2px; border-bottom: 1px solid var(--border-subtle); align-items: start; }
  .pf-flow-srow .sn { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 9px; font-family: var(--font-mono); font-size: 12px; font-weight: 600; color: #fff; background: var(--accent); }
  .pf-flow-srow .snm { font-size: 17px; font-weight: 600; letter-spacing: -0.012em; color: var(--text-primary); }
  .pf-flow-srow .sd { margin-top: 7px; font-size: 15px; line-height: 1.55; color: var(--text-secondary); }
  .pf-cross-row + .pf-cross-row { border-left: none; padding-left: 0; }
  .pf-cross-row:hover { padding-left: 14px; }
}
@media (max-width: 680px) {
  .pf-h1 { font-size: clamp(30px, 8vw, 40px); }
  .pf-pillars { grid-template-columns: 1fr; }
  .pf-index.two-up { grid-template-columns: 1fr; }
  .pf-index.two-up li:nth-child(2) { border-top: none; }
  .pf-index li, .pf-index.two-up .ix-t { font-size: 16px; }
}