/* =============================================================
   PROOF / WORK PAGE — scoped styles (prf- prefix)
   Zero overlap with admin. Safe on any public page.
   ============================================================= */

/* ─── Proof accent tokens ────────────────────────────────── */
:root {
  --prf-navy:    #0b1628;
  --prf-navy-m:  #1a2f50;
  --prf-vis:     #3b82f6;
  --prf-acc:     #22c55e;
  --prf-gov:     #f59e0b;
  --prf-int:     #a855f7;
  --prf-grid:    rgba(255,255,255,.04);
  --prf-soft:    #f8fafc;
}

/* ═══════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════ */
.prf-hero {
  background: var(--prf-navy);
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 130px 0 100px;
}
.prf-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--prf-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--prf-grid) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.prf-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--prf-navy), transparent);
  pointer-events: none;
}
.prf-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 40px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.prf-hero-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--prf-vis);
  margin-bottom: 20px;
}
.prf-hero-h1 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4.2vw, 62px);
  font-weight: 400;
  line-height: 1.08;
  color: #fff;
  margin: 0 0 28px;
  letter-spacing: -.01em;
}
.prf-hero-h1 em { font-style: italic; color: rgba(255,255,255,.42); }
.prf-hero-sub {
  font-size: 17px;
  font-weight: 300;
  line-height: 1.7;
  color: rgba(255,255,255,.48);
  max-width: 480px;
  margin: 0 0 36px;
}
.prf-hero-ctas {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.prf-hero-ghost {
  font-size: 14px;
  color: rgba(255,255,255,.48);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,.18);
  padding-bottom: 2px;
  transition: color .25s, border-color .25s;
}
.prf-hero-ghost:hover { color: #fff; border-color: rgba(255,255,255,.55); }

/* Hero product composition */
.prf-hp-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  max-width: 640px;
  margin-left: auto;
}
.prf-hp-main {
  position: absolute;
  inset: 0;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,.55);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s ease, transform .6s ease;
}
.prf-hp-main.is-visible { opacity: 1; transform: none; }
.prf-hp-main img { width: 100%; height: 100%; object-fit: cover; object-position: top left; display: block; }
.prf-hp-frag {
  position: absolute;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 14px 36px rgba(0,0,0,.5);
  border: 1px solid rgba(255,255,255,.08);
  opacity: 0;
  transition: opacity .5s ease, transform .5s ease;
}
.prf-hp-frag img { width: 100%; height: 100%; object-fit: cover; object-position: top left; display: block; }
.prf-hp-frag1 { width: 40%; height: 30%; top: -6%; right: -5%; transform: translateY(-10px); }
.prf-hp-frag2 { width: 38%; height: 28%; bottom: -4%; left: -3%; transform: translateY(10px); }
.prf-hp-frag3 { width: 32%; height: 24%; bottom: 12%; right: -4%; transform: translateY(8px); }
.prf-hp-frag.is-visible { opacity: 1; transform: none; }

/* ═══════════════════════════════════════════════════════════
   SELECTED WORK INTRO
   ═══════════════════════════════════════════════════════════ */
.prf-work-intro {
  background: #fff;
  padding: 72px 0 48px;
  border-bottom: 1px solid #e8ecf0;
}
.prf-work-intro-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
}
.prf-work-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--prf-vis);
  margin-bottom: 12px;
}
.prf-work-h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.2vw, 46px);
  font-weight: 400;
  color: var(--prf-navy);
  line-height: 1.12;
  margin: 0;
}
.prf-work-sub {
  font-size: 15px;
  font-weight: 300;
  line-height: 1.75;
  color: #4a5568;
  max-width: 440px;
  align-self: end;
  margin: 0;
}

/* ═══════════════════════════════════════════════════════════
   PROJECT SECTIONS — shared base
   ═══════════════════════════════════════════════════════════ */
.prf-project {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
  scroll-margin-top: 80px;
}
.prf-project-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 40px;
}

/* Project type label */
.prf-type-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.prf-type-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
}

/* Project heading */
.prf-project-h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.4vw, 48px);
  font-weight: 400;
  line-height: 1.12;
  margin: 0 0 10px;
}
.prf-project-subtitle {
  font-size: 15px;
  font-weight: 400;
  color: #64748b;
  margin: 0 0 28px;
}

/* Challenge → System → Control Gained row */
.prf-csg {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}
.prf-csg-block {}
.prf-csg-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.prf-csg-text {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.6;
  color: #374151;
}
.prf-csg-outcomes {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.prf-csg-outcome {
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}
.prf-csg-outcome::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Dark sections */
.prf-project--dark .prf-project-h2 { color: #fff; }
.prf-project--dark .prf-project-subtitle { color: rgba(255,255,255,.4); }
.prf-project--dark .prf-csg-text { color: rgba(255,255,255,.5); }
.prf-project--dark .prf-csg-outcome { color: rgba(255,255,255,.75); }
.prf-project--dark .prf-type-label { color: rgba(255,255,255,.35); }

/* Progressive disclosure */
.prf-expand-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--prf-vis);
  background: none;
  border: none;
  padding: 8px 0;
  cursor: pointer;
  transition: gap .2s;
}
.prf-expand-btn:hover { gap: 12px; }
.prf-expand-btn-icon {
  font-size: 16px;
  transition: transform .3s ease;
}
.prf-expand-btn[aria-expanded="true"] .prf-expand-btn-icon { transform: rotate(45deg); }
.prf-project--dark .prf-expand-btn { color: rgba(255,255,255,.5); }
.prf-expand-details {
  overflow: hidden;
  max-height: 0;
  transition: max-height .45s ease, opacity .35s ease;
  opacity: 0;
}
.prf-expand-details.is-open {
  max-height: 600px;
  opacity: 1;
}
.prf-expand-content {
  padding-top: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.prf-expand-block-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #94a3b8;
  margin-bottom: 8px;
}
.prf-expand-block-text {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.7;
  color: #475569;
}
.prf-project--dark .prf-expand-block-text { color: rgba(255,255,255,.38); }
.prf-project--dark .prf-expand-block-label { color: rgba(255,255,255,.25); }

/* ═══════════════════════════════════════════════════════════
   SCREENSHOT + GALLERY
   ═══════════════════════════════════════════════════════════ */
.prf-gallery {
  width: 100%;
}
.prf-gallery-main {
  width: 100%;
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 16/10;
  position: relative;
  background: #0d1d35;
}
.prf-gallery-img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top left;
  transition: opacity .35s ease;
}
.prf-gallery-img.is-hidden { opacity: 0; }
.prf-gallery-thumbs {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.prf-gallery-thumb {
  width: 76px;
  height: 50px;
  border-radius: 5px;
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0;
  background: none;
  transition: border-color .2s, transform .15s;
  flex-shrink: 0;
}
.prf-gallery-thumb:hover { transform: translateY(-2px); }
.prf-gallery-thumb.is-active { border-color: var(--prf-vis); }
.prf-gallery-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top left; display: block; }
.prf-gallery-thumb:focus-visible { outline: 2px solid var(--prf-vis); outline-offset: 2px; }

/* Screenshot without gallery */
.prf-screenshot {
  width: 100%;
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 16/10;
  box-shadow: 0 20px 60px rgba(11,22,40,.15);
}
.prf-screenshot img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top left;
  display: block;
}
.prf-screenshot--dark { box-shadow: 0 24px 80px rgba(0,0,0,.5); }

/* Screenshot with floating annotations */
.prf-annotated {
  position: relative;
  width: 100%;
  border-radius: 10px;
  overflow: visible;
}
.prf-annotated-img {
  width: 100%;
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 16/10;
  box-shadow: 0 20px 60px rgba(11,22,40,.15);
}
.prf-annotated-img img { width: 100%; height: 100%; object-fit: cover; object-position: top left; display: block; }
.prf-annotation {
  position: absolute;
  background: rgba(11,22,40,.88);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 6px;
  padding: 7px 12px;
  font-size: 11px;
  font-weight: 500;
  color: rgba(255,255,255,.85);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .4s ease, transform .4s ease;
  z-index: 10;
}
.prf-annotation.is-visible { opacity: 1; transform: none; }
.prf-annotation::before {
  content: '';
  position: absolute;
  width: 6px; height: 6px;
  border-radius: 50%;
  bottom: -3px; left: 12px;
  background: var(--prf-vis);
}

/* ═══════════════════════════════════════════════════════════
   PROJECT LAYOUT VARIATIONS
   ═══════════════════════════════════════════════════════════ */

/* 2-col: info left, visual right */
.prf-2col { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; align-items: start; }
.prf-2col--flip .prf-project-info { order: 2; }
.prf-2col--flip .prf-project-visual { order: 1; }
.prf-2col--equal { grid-template-columns: 1fr 1fr; }

/* Full-width visual above or below text */
.prf-full-intro { max-width: 680px; margin-bottom: 40px; }
.prf-full-visual { width: 100%; }

/* Dark grid overlay */
.prf-project--dark {
  background: var(--prf-navy);
}
.prf-project--dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--prf-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--prf-grid) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.prf-project--soft { background: var(--prf-soft); }
.prf-project--white { background: #fff; }

/* ═══════════════════════════════════════════════════════════
   FINANCIAL INSTITUTION — workflow visualization
   ═══════════════════════════════════════════════════════════ */
.prf-fi-flow {
  width: 100%;
  padding: 28px;
  background: var(--prf-soft);
  border-radius: 12px;
  border: 1px solid #e2e8f0;
}
.prf-fi-flow-header {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #94a3b8;
  margin-bottom: 20px;
}
.prf-fi-steps {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  padding-bottom: 4px;
}
.prf-fi-step {
  flex: 1;
  min-width: 100px;
  text-align: center;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .35s ease, transform .35s ease;
}
.prf-fi-step.is-visible { opacity: 1; transform: none; }
.prf-fi-step-node {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 8px;
  font-size: 18px;
  transition: border-color .4s, box-shadow .4s;
}
.prf-fi-step.is-active .prf-fi-step-node {
  border-color: var(--prf-gov);
  box-shadow: 0 0 0 3px rgba(245,158,11,.15);
}
.prf-fi-step.is-done .prf-fi-step-node {
  border-color: var(--prf-acc);
  box-shadow: 0 0 0 3px rgba(34,197,94,.12);
}
.prf-fi-step-name { font-size: 11px; font-weight: 600; color: #374151; margin-bottom: 4px; }
.prf-fi-step-meta { font-size: 9px; color: #94a3b8; }
.prf-fi-arrow {
  flex-shrink: 0;
  width: 28px; height: 1px;
  background: #e2e8f0;
  position: relative;
}
.prf-fi-arrow::after {
  content: '›';
  position: absolute;
  right: -4px; top: -9px;
  color: #d1d5db;
  font-size: 14px;
}
.prf-fi-meta-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #e8ecf0;
}
.prf-fi-meta-item {
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 11px;
  opacity: 0;
  transition: opacity .4s ease;
}
.prf-fi-meta-item.is-visible { opacity: 1; }
.prf-fi-meta-item--doc  { background: rgba(59,130,246,.07); }
.prf-fi-meta-item--aud  { background: rgba(245,158,11,.07); }
.prf-fi-meta-item--rep  { background: rgba(34,197,94,.07); }
.prf-fi-meta-label { font-weight: 600; margin-bottom: 2px; color: var(--prf-navy); }
.prf-fi-meta-val { color: #64748b; }

/* ═══════════════════════════════════════════════════════════
   NJIAOPS — annotated full-width
   ═══════════════════════════════════════════════════════════ */
.prf-nia-annot { top: 10%; left: 38%; }
.prf-nia-annot2 { top: 42%; right: 6%; }
.prf-nia-annot3 { bottom: 14%; left: 30%; }

/* ═══════════════════════════════════════════════════════════
   TWO-SCREENSHOT COMPOSITION (CareFleet)
   ═══════════════════════════════════════════════════════════ */
.prf-two-screens {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 16px;
  align-items: start;
}
.prf-two-screens-main {
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 16/10;
  box-shadow: 0 20px 50px rgba(11,22,40,.18);
}
.prf-two-screens-main img { width: 100%; height: 100%; object-fit: cover; object-position: top left; display: block; }
.prf-two-screens-secondary {
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 16/10;
  box-shadow: 0 12px 30px rgba(11,22,40,.12);
  margin-top: 32px;
}
.prf-two-screens-secondary img { width: 100%; height: 100%; object-fit: cover; object-position: top left; display: block; }

/* ═══════════════════════════════════════════════════════════
   CUSTOM ENTERPRISE BRIDGE
   ═══════════════════════════════════════════════════════════ */
.prf-custom {
  background: var(--prf-navy-m);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.prf-custom::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--prf-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--prf-grid) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.prf-custom-inner {
  position: relative; z-index: 2;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.prf-custom-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.3);
  margin-bottom: 12px;
}
.prf-custom-h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 400;
  color: #fff;
  line-height: 1.15;
  margin: 0 0 14px;
}
.prf-custom-sub {
  font-size: 15px;
  font-weight: 300;
  line-height: 1.75;
  color: rgba(255,255,255,.4);
  max-width: 420px;
  margin: 0 0 24px;
}
.prf-custom-ghost {
  font-size: 13px;
  color: rgba(255,255,255,.4);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,.15);
  padding-bottom: 2px;
  transition: color .2s, border-color .2s;
  margin-left: 12px;
}
.prf-custom-ghost:hover { color: rgba(255,255,255,.7); border-color: rgba(255,255,255,.4); }
/* Reuse ind-sys-diagram styles; duplicated here with prf- prefix so the page stays independent */
.prf-sys-diagram { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.prf-sys-node {
  width: 100%; max-width: 280px;
  padding: 12px 18px;
  border-radius: 7px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  display: flex; align-items: center; gap: 10px;
  opacity: 0; transform: translateX(-10px);
  transition: opacity .4s ease, transform .4s ease;
}
.prf-sys-node.is-visible { opacity: 1; transform: none; }
.prf-sys-node-icon { font-size: 16px; }
.prf-sys-node-label { font-size: 12px; font-weight: 500; color: rgba(255,255,255,.65); }
.prf-sys-arrow { width: 1px; height: 12px; background: rgba(255,255,255,.12); opacity: 0; transition: opacity .4s ease; }
.prf-sys-arrow.is-visible { opacity: 1; }
.prf-sys-result {
  width: 100%; max-width: 280px;
  padding: 14px 18px; border-radius: 7px;
  background: rgba(59,130,246,.1); border: 1px solid rgba(59,130,246,.3);
  text-align: center;
  opacity: 0; transform: scale(.96);
  transition: opacity .5s ease, transform .5s ease;
}
.prf-sys-result.is-visible { opacity: 1; transform: none; }
.prf-sys-result-label { font-size: 11px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--prf-vis); }
.prf-sys-result-sub { font-size: 10px; color: rgba(255,255,255,.35); margin-top: 3px; }

/* ═══════════════════════════════════════════════════════════
   HOW WE MEASURE SUCCESS
   ═══════════════════════════════════════════════════════════ */
.prf-measure {
  background: #fff;
  padding: 80px 0;
  border-top: 1px solid #e8ecf0;
}
.prf-measure-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 40px;
}
.prf-measure-h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 42px);
  font-weight: 400;
  color: var(--prf-navy);
  margin: 0 0 40px;
  max-width: 520px;
}
.prf-measure-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}
.prf-measure-card {
  padding: 24px;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}
.prf-measure-card-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.prf-measure-card-title { font-size: 18px; font-weight: 600; color: var(--prf-navy); margin-bottom: 6px; }
.prf-measure-card-body { font-size: 14px; font-weight: 300; color: #64748b; line-height: 1.65; }
.prf-measure-card--vis .prf-measure-card-label { color: var(--prf-vis); }
.prf-measure-card--acc .prf-measure-card-label { color: var(--prf-acc); }
.prf-measure-card--gov .prf-measure-card-label { color: #b45309; }
.prf-measure-statement {
  font-size: 15px;
  font-style: italic;
  color: #475569;
  padding: 12px 0;
  border-top: 1px solid #e8ecf0;
}

/* ═══════════════════════════════════════════════════════════
   PROBLEMS WE HEAR REPEATEDLY
   ═══════════════════════════════════════════════════════════ */
.prf-problems {
  background: var(--prf-soft);
  padding: 80px 0;
}
.prf-problems-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px;
  text-align: center;
}
.prf-problems-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #94a3b8;
  margin-bottom: 24px;
}
.prf-problems-cycle {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
}
.prf-problems-text {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3.2vw, 38px);
  font-weight: 400;
  color: var(--prf-navy);
  line-height: 1.2;
  transition: opacity .4s ease;
}
.prf-problems-text.is-fading { opacity: 0; }
.prf-problems-conclusion {
  font-size: 15px;
  font-weight: 300;
  color: #64748b;
  line-height: 1.7;
  max-width: 500px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .5s ease, transform .5s ease;
}
.prf-problems-conclusion.is-visible { opacity: 1; transform: none; }

/* ═══════════════════════════════════════════════════════════
   THE REAL PROOF IS BETTER DECISIONS
   ═══════════════════════════════════════════════════════════ */
.prf-decisions {
  background: var(--prf-navy);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.prf-decisions::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--prf-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--prf-grid) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.prf-decisions-inner {
  position: relative; z-index: 2;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 40px;
}
.prf-decisions-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.28);
  margin-bottom: 16px;
  text-align: center;
}
.prf-decisions-h2 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4.5vw, 62px);
  font-weight: 400;
  color: #fff;
  line-height: 1.08;
  text-align: center;
  margin: 0 0 14px;
}
.prf-decisions-sub {
  text-align: center;
  font-size: 16px;
  font-weight: 300;
  color: rgba(255,255,255,.4);
  max-width: 520px;
  margin: 0 auto 60px;
  line-height: 1.7;
}

/* Flow steps */
.prf-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  align-items: start;
}
.prf-flow-step {
  text-align: center;
  padding: 0 20px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .45s ease, transform .45s ease;
}
.prf-flow-step.is-visible { opacity: 1; transform: none; }
.prf-flow-icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
  font-size: 22px;
}
.prf-flow-icon--vis { background: rgba(59,130,246,.15); border: 1px solid rgba(59,130,246,.3); }
.prf-flow-icon--acc { background: rgba(34,197,94,.12); border: 1px solid rgba(34,197,94,.28); }
.prf-flow-icon--gov { background: rgba(245,158,11,.12); border: 1px solid rgba(245,158,11,.28); }
.prf-flow-icon--int { background: rgba(168,85,247,.12); border: 1px solid rgba(168,85,247,.28); }
.prf-flow-step-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.prf-flow-step-label--vis { color: var(--prf-vis); }
.prf-flow-step-label--acc { color: var(--prf-acc); }
.prf-flow-step-label--gov { color: var(--prf-gov); }
.prf-flow-step-label--int { color: var(--prf-int); }
.prf-flow-step-title { font-size: 17px; font-weight: 500; color: #fff; margin-bottom: 6px; }
.prf-flow-step-body { font-size: 13px; font-weight: 300; color: rgba(255,255,255,.4); line-height: 1.6; }
.prf-flow-connector {
  align-self: center;
  text-align: center;
  font-size: 20px;
  color: rgba(255,255,255,.15);
  padding: 0 4px;
  opacity: 0;
  transition: opacity .4s ease;
}
.prf-flow-connector.is-visible { opacity: 1; }
.prf-flow-chain {
  display: flex;
  align-items: center;
  gap: 0;
}
.prf-flow-chain-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.prf-flow-chain-arrow { color: rgba(255,255,255,.2); font-size: 18px; flex-shrink: 0; }

.prf-decisions-tagline {
  text-align: center;
  margin-top: 56px;
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 400;
  color: rgba(255,255,255,.35);
  letter-spacing: .02em;
}
.prf-decisions-tagline span { color: rgba(255,255,255,.7); }

/* ═══════════════════════════════════════════════════════════
   FINAL CTA
   ═══════════════════════════════════════════════════════════ */
.prf-cta {
  background: var(--prf-navy-m);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.prf-cta::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--prf-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--prf-grid) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.prf-cta-ambient {
  position: absolute; inset: 0;
  pointer-events: none; z-index: 1;
}
.prf-cta-signal {
  position: absolute;
  border-radius: 6px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.05);
}
.prf-cta-inner {
  position: relative; z-index: 2;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 40px;
  text-align: center;
}
.prf-cta-eyebrow {
  font-size: 11px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.28); margin-bottom: 18px;
}
.prf-cta-h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 400; color: #fff; line-height: 1.1; margin: 0 0 16px;
}
.prf-cta-body {
  font-size: 16px; font-weight: 300; color: rgba(255,255,255,.42);
  line-height: 1.7; max-width: 500px; margin: 0 auto 32px;
}
.prf-cta-actions { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.prf-cta-ghost {
  font-size: 14px; color: rgba(255,255,255,.38);
  text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.15); padding-bottom: 2px;
  transition: color .2s, border-color .2s;
}
.prf-cta-ghost:hover { color: rgba(255,255,255,.7); border-color: rgba(255,255,255,.4); }

/* ═══════════════════════════════════════════════════════════
   GENERIC REVEAL
   ═══════════════════════════════════════════════════════════ */
.prf-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s ease, transform .5s ease;
}
.prf-reveal.is-visible { opacity: 1; transform: none; }

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .prf-hero-inner { gap: 40px; padding: 0 24px; }
  .prf-2col { gap: 40px; }
  .prf-custom-inner { gap: 48px; }
}
@media (max-width: 900px) {
  .prf-hero { min-height: auto; padding: 120px 0 60px; }
  .prf-hero-inner { grid-template-columns: 1fr; padding: 0 24px; }
  .prf-hp-wrap { max-width: 480px; margin: 0 auto; aspect-ratio: 16/10; }
  .prf-hp-frag2 { display: none; }
  .prf-project-inner { padding: 0 24px; }
  .prf-2col { grid-template-columns: 1fr; }
  .prf-2col--flip .prf-project-info { order: 1; }
  .prf-2col--flip .prf-project-visual { order: 2; }
  .prf-csg { grid-template-columns: 1fr; gap: 14px; }
  .prf-work-intro-inner { grid-template-columns: 1fr; padding: 0 24px; gap: 16px; }
  .prf-custom-inner { grid-template-columns: 1fr; padding: 0 24px; }
  .prf-measure-inner { padding: 0 24px; }
  .prf-measure-grid { grid-template-columns: 1fr; }
  .prf-problems-inner, .prf-decisions-inner, .prf-cta-inner { padding: 0 24px; }
  .prf-flow { grid-template-columns: 1fr 1fr; gap: 32px; }
  .prf-two-screens { grid-template-columns: 1fr; }
  .prf-two-screens-secondary { margin-top: 0; }
  .prf-fi-steps { gap: 4px; }
  .prf-fi-meta-row { grid-template-columns: 1fr; }
  .prf-expand-content { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .prf-hero { padding: 100px 0 48px; }
  .prf-hero-inner { padding: 0 20px; }
  .prf-hp-frag1, .prf-hp-frag3 { display: none; }
  .prf-project { padding: 64px 0; }
  .prf-flow { grid-template-columns: 1fr; gap: 24px; }
  .prf-gallery-thumbs { gap: 6px; }
  .prf-gallery-thumb { width: 60px; height: 40px; }
  .prf-annotation { display: none; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .prf-hp-main, .prf-hp-frag,
  .prf-reveal, .prf-fi-step, .prf-fi-meta-item,
  .prf-flow-step, .prf-flow-connector,
  .prf-annotation, .prf-problems-conclusion,
  .prf-sys-node, .prf-sys-result, .prf-sys-arrow {
    opacity: 1 !important; transform: none !important;
    animation: none !important; transition: none !important;
  }
  .prf-gallery-img { transition: none !important; }
  .prf-expand-details { transition: none !important; }
  .prf-problems-text { transition: none !important; }
}