/* Portfolio page topology. Every selector is page-owned (pf-*) and reads
   only published --vbg-* tokens. No .vbg-* rule is restyled here. */

.pf-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--vbg-space-3) var(--vbg-space-5);
  padding-block-end: var(--vbg-space-6);
  margin-block-end: var(--vbg-space-8);
  border-block-end: 1px solid var(--vbg-border-subtle);
}

.pf-nav-brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.pf-logo {
  display: block;
  height: 2.375rem;
  width: auto;
  max-width: 12rem;
}

@media (prefers-color-scheme: dark) {
  .pf-logo {
    filter: invert(1);
  }
}

.pf-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--vbg-space-2) var(--vbg-space-5);
}

.pf-nav-links a {
  color: var(--vbg-text-secondary);
  text-decoration: none;
}

.pf-nav-links a:hover {
  color: var(--vbg-text-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.pf-nav-links a[aria-current="true"] {
  color: var(--vbg-text-primary);
}

.pf-nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--vbg-border-default);
  border-radius: 8px;
  background: var(--vbg-surface-primary);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0;
}

.pf-nav-toggle span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--vbg-text-primary);
  transition: transform 200ms ease, opacity 200ms ease;
}

.pf-nav[data-open] .pf-nav-toggle span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.pf-nav[data-open] .pf-nav-toggle span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

@media (max-width: 47.99rem) {
  .pf-nav {
    position: relative;
    align-items: center;
  }

  .pf-nav-toggle {
    display: flex;
  }

  .pf-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: calc(-1 * var(--geist-page-margin, 24px));
    right: calc(-1 * var(--geist-page-margin, 24px));
    z-index: 50;
    flex-direction: column;
    gap: 0;
    background: var(--vbg-surface-primary);
    border-block-end: 1px solid var(--vbg-border-default);
    padding: var(--vbg-space-2) var(--geist-page-margin, 24px) var(--vbg-space-4);
  }

  .pf-nav[data-open] .pf-nav-links {
    display: flex;
  }

  .pf-nav-links a {
    padding-block: var(--vbg-space-3);
    font-size: 15px;
    border-block-end: 1px solid var(--vbg-border-subtle);
  }

  .pf-nav-links a:last-child {
    border-block-end: 0;
  }

  .pf-nav-links a:hover {
    text-decoration: none;
  }
}

/* Engagement phases: numbered ledger with a shared rail. */
.pf-phases {
  list-style: none;
  margin-inline: 0;
  padding-inline: 0;
  counter-reset: pf-phase;
  display: grid;
  gap: var(--vbg-space-5);
}

.pf-phases li {
  counter-increment: pf-phase;
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: var(--vbg-space-4);
  align-items: start;
  max-width: var(--vbg-reading-width, 44rem);
}

.pf-phase-body {
  min-width: 0;
}

.pf-phases li::before {
  content: counter(pf-phase, decimal-leading-zero);
  font-family: var(--vbg-font-mono, monospace);
  font-size: var(--vbg-type-compact);
  color: var(--vbg-text-secondary);
  padding-block-start: 0.2em;
}

/* Roles: entries separated by a rule, meta kept on its own line. */
.pf-roles {
  gap: var(--vbg-space-6);
}

.pf-roles article {
  display: grid;
  gap: var(--vbg-space-2);
  padding-block-start: var(--vbg-space-5);
  border-block-start: 1px solid var(--vbg-border-subtle);
}

.pf-roles article:first-child {
  padding-block-start: 0;
  border-block-start: 0;
}

.pf-roles h3 .pf-role-meta {
  display: block;
  margin-block-start: var(--vbg-space-1);
  font-weight: var(--vbg-weight-regular);
}

/* Outcomes: chart beside the definition ledger on wide screens. */

/* Contact: details beside the form on wide screens. */
.pf-contact-split {
  display: grid;
  gap: var(--vbg-space-8);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 60rem) {
  .pf-contact-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}


.pf-cta {
  text-decoration: none;
}

.pf-cta-ghost {
  text-decoration: none;
  border-color: var(--vbg-border-default);
  background: transparent;
  color: var(--vbg-text-primary);
}

.pf-form {
  max-width: var(--vbg-reading-width, 44rem);
}

.pf-form input,
.pf-form select,
.pf-form textarea {
  inline-size: 100%;
  max-inline-size: 100%;
}

/* Keep long tables readable on narrow screens without hiding content. */
.pf-ledger {
  overflow-x: auto;
}

/* Anchor offset so section headings are not hidden under no chrome. */
.pf-main [id] {
  scroll-margin-block-start: var(--vbg-space-8);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

html {
  scroll-behavior: smooth;
}

/* Engagement section: use the full shell width and pair the phase ledger
   into two columns on desktop instead of leaving the right half empty. */
.pf-engage > :where(h2, p, .pf-phases) {
  grid-column: 1 / -1;
  max-width: none;
}

@media (min-width: 60rem) {
  .pf-engage .pf-phases {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--vbg-space-8);
  }
}
/* Case studies: full-width section, cards in a responsive grid. */
.pf-cases > :where(h2, p) {
  grid-column: 1 / -1;
  max-width: none;
}

.pf-cases > p {
  max-width: var(--vbg-reading-width, 44rem);
}

.pf-case-grid {
  grid-column: 1 / -1;
  display: grid;
  gap: var(--vbg-space-6);
  grid-template-columns: minmax(0, 1fr);
  margin-block-start: var(--vbg-space-6);
}

@media (min-width: 60rem) {
  .pf-case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--vbg-space-6);
  }
}

.pf-case {
  display: grid;
  gap: var(--vbg-space-2);
  align-content: start;
  padding: var(--vbg-space-6);
  border: 1px solid var(--vbg-border-subtle);
  border-radius: var(--vbg-radius);
  background: var(--vbg-surface-secondary);
}

.pf-case > h3 {
  margin-block-end: var(--vbg-space-2);
}

.pf-case > p {
  margin-block: 0;
}

.pf-case-label {
  margin-block-start: var(--vbg-space-3);
  font-family: var(--vbg-font-mono, monospace);
  font-size: var(--vbg-type-label);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--vbg-text-secondary);
}

.pf-case-flow {
  font-family: var(--vbg-font-mono, monospace);
  font-size: var(--vbg-type-compact);
  color: var(--vbg-text-secondary);
}

.pf-case-stack {
  margin-block-start: var(--vbg-space-2);
  font-size: var(--vbg-type-compact);
  color: var(--vbg-text-secondary);
}

/* Vercel-grade restyle (test branch). Page-owned pf-* classes only. */


.pf-hero {
  grid-column: 1 / -1;
  display: grid;
  gap: var(--vbg-space-5);
  align-items: start;
  padding-block: clamp(24px, 4vw, 56px) clamp(32px, 5vw, 64px);
  position: relative;
}

.pf-hero::before {
  content: "";
  position: absolute;
  inset: -40px 0 0;
  z-index: -1;
  background:
    radial-gradient(60% 50% at 70% 20%, rgba(0, 112, 243, 0.08), transparent 70%),
    radial-gradient(50% 45% at 85% 60%, rgba(121, 40, 202, 0.07), transparent 70%),
    radial-gradient(45% 40% at 55% 80%, rgba(0, 223, 216, 0.06), transparent 70%);
  mask-image: linear-gradient(#000 40%, transparent 100%);
  pointer-events: none;
}

.pf-hero-title {
  font-size: clamp(2.5rem, 5.2vw, 4rem);
  line-height: 1;
  letter-spacing: -0.06em;
  font-weight: 600;
  text-wrap: balance;
  margin: 0;
  max-width: 24ch;
}


.pf-hero-lede {
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--vbg-text-secondary);
  max-width: 72ch;
  margin: 0;
}

.pf-hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--vbg-space-3);
  margin: 0;
}

.pf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  border-radius: 999px;
  padding: 12px 22px;
  text-decoration: none;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
  white-space: nowrap;
}

.pf-btn-primary {
  background: #171717;
  color: #fff;
  border: 1px solid #171717;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08), 0 8px 16px -8px rgba(0, 0, 0, 0.25);
}

.pf-btn-primary:hover {
  background: #000;
  transform: translateY(-1px);
}

.pf-btn-secondary {
  background: #fff;
  color: #171717;
  border: 1px solid var(--vbg-border-strong);
}

.pf-btn-secondary:hover {
  background: var(--vbg-surface-secondary);
  transform: translateY(-1px);
}




.pf-section-head {
  grid-column: 1 / -1;
  display: grid;
  gap: var(--vbg-space-3);
  margin-block-end: var(--vbg-space-6);
  max-width: none;
}

.pf-section-head h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.048em;
  font-weight: 600;
  margin: 0;
  max-width: 22ch;
  text-wrap: balance;
}

.pf-section-head > p {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--vbg-text-secondary);
  margin: 0;
  max-width: 60ch;
}

.pf-logo-strip {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: var(--vbg-space-2) var(--vbg-space-6);
  align-items: center;
  margin-block-start: var(--vbg-space-6);
  padding-block-start: var(--vbg-space-6);
  border-top: 1px solid var(--vbg-border-subtle);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--vbg-text-secondary);
}

.pf-cta-band {
  grid-column: 1 / -1;
  background: #0a0a0a;
  color: #ededed;
  border-radius: 16px;
  padding: clamp(32px, 5vw, 64px);
  display: grid;
  gap: var(--vbg-space-5);
  justify-items: start;
  position: relative;
  overflow: hidden;
  margin-block-start: var(--vbg-space-8);
}

.pf-cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(50% 80% at 80% 20%, rgba(0, 112, 243, 0.25), transparent 70%),
    radial-gradient(40% 70% at 90% 90%, rgba(121, 40, 202, 0.22), transparent 70%);
  pointer-events: none;
}

.pf-cta-band > * {
  position: relative;
}

.pf-cta-band h2 {
  color: #fff;
  font-size: clamp(1.75rem, 3.4vw, 2.75rem);
  letter-spacing: -0.048em;
  line-height: 1.1;
  font-weight: 600;
  margin: 0;
  max-width: 20ch;
  text-wrap: balance;
}

.pf-cta-band p {
  color: #a3a3a3;
  font-size: 1.125rem;
  margin: 0;
  max-width: 52ch;
}

.pf-cta-band .pf-btn-primary {
  background: #ededed;
  border-color: #ededed;
  color: #0a0a0a;
}

.pf-cta-band .pf-btn-secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.25);
  color: #ededed;
}

.pf-footer {
  grid-column: 1 / -1;
  margin-block-start: clamp(48px, 6vw, 80px);
  padding-block-start: var(--vbg-space-8);
  border-top: 1px solid var(--vbg-border-subtle);
  display: grid;
  gap: var(--vbg-space-6);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 60rem) {
  .pf-footer {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.pf-footer h3 {
  font-size: 13px;
  font-weight: 500;
  color: var(--vbg-text-secondary);
  margin: 0 0 var(--vbg-space-3);
}

.pf-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--vbg-space-2);
}

.pf-footer a {
  color: var(--vbg-text-secondary);
  text-decoration: none;
  font-size: 14px;
}

.pf-footer a:hover {
  color: var(--vbg-text-primary);
}

.pf-case {
  position: relative;
  overflow: hidden;
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.pf-case::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, #0070f3, #7928ca, #ff0080);
  opacity: 0;
  transition: opacity 150ms ease;
}

.pf-case:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px -8px rgba(0, 0, 0, 0.14), 0 24px 32px -12px rgba(0, 112, 243, 0.12);
}

.pf-case:hover::before {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .pf-btn,
  .pf-bento-card,
  .pf-case {
    transition: none;
  }
  .pf-btn-primary:hover,
  .pf-bento-card:hover,
  .pf-case:hover {
    transform: none;
  }
}

.pf-contact-form {
  grid-column: 1 / -1;
  border: 1px solid var(--vbg-border-default);
  border-radius: 12px;
  background: var(--vbg-surface-secondary);
  padding: clamp(20px, 3vw, 32px);
  margin-block-start: var(--vbg-space-6);
}

.pf-hero-meta {
  font-size: 14px;
  color: var(--vbg-text-secondary);
  margin: 0;
}

.pf-hero-meta a {
  color: inherit;
}

.pf-stack-line {
  font-family: var(--vbg-font-mono, monospace);
  font-size: 13px;
  color: var(--vbg-text-secondary);
  margin: 0;
}

.pf-case-featured {
  grid-column: 1 / -1;
  display: grid;
  gap: var(--vbg-space-6);
  margin-block-start: var(--vbg-space-6);
}

.pf-case-wide {
  padding: clamp(20px, 3vw, 32px);
}

.pf-case-kicker {
  font-family: var(--vbg-font-mono, monospace);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--vbg-text-secondary);
  margin: 0;
}


.pf-case-points {
  margin: 0;
  padding-inline-start: 20px;
  display: grid;
  gap: var(--vbg-space-2);
  font-size: 15px;
}

.pf-archive-title {
  grid-column: 1 / -1;
  margin-block-start: var(--vbg-space-8);
}

.pf-archive-sub {
  grid-column: 1 / -1;
  color: var(--vbg-text-secondary);
  margin: 0;
  max-width: var(--vbg-reading-width, 44rem);
}

.pf-archive-grid {
  margin-block-start: var(--vbg-space-4);
}

.pf-role-bullets {
  margin: var(--vbg-space-2) 0 0;
  padding-inline-start: 20px;
  display: grid;
  gap: var(--vbg-space-2);
}

.pf-matrix-wrap {
  grid-column: 1 / -1;
  overflow-x: auto;
  margin-block-start: var(--vbg-space-6);
}

.pf-matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.pf-matrix th,
.pf-matrix td {
  text-align: left;
  vertical-align: top;
  padding: 10px 14px;
  border-bottom: 1px solid var(--vbg-border-subtle);
}

.pf-matrix th {
  white-space: nowrap;
  font-weight: 600;
  padding-right: 20px;
}

.pf-matrix td {
  color: var(--vbg-text-secondary);
}

.pf-cta-band .pf-contact-form {
  grid-column: 1 / -1;
  width: 100%;
  max-width: 560px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: clamp(20px, 3vw, 32px);
  margin-block-start: var(--vbg-space-4);
}

.pf-cta-band .pf-contact-form label {
  color: #d4d4d4;
}

.pf-cta-band .pf-contact-form input,
.pf-cta-band .pf-contact-form select,
.pf-cta-band .pf-contact-form textarea {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #ededed;
  border-radius: 8px;
}

.pf-cta-band .pf-contact-form input:focus,
.pf-cta-band .pf-contact-form select:focus,
.pf-cta-band .pf-contact-form textarea:focus {
  outline: none;
  border-color: #0070f3;
  box-shadow: 0 0 0 3px rgba(0, 112, 243, 0.25);
}

.pf-cta-band .pf-contact-form .vbg-helper {
  color: #a3a3a3;
}

.pf-cta-band .pf-contact-form .vbg-button[data-variant="primary"] {
  background: #ededed;
  color: #0a0a0a;
  border-color: #ededed;
}

.pf-nodegraph {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: 12px;
  background: var(--vbg-surface-secondary);
  margin-block: var(--vbg-space-4);
}

.pf-nodegraph::before {
  content: "";
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(to bottom, var(--vbg-border-strong), var(--vbg-surface-secondary));
  mask-image: linear-gradient(#000 0 0), linear-gradient(#000 0 0);
  mask-clip: content-box, border-box;
  mask-composite: exclude;
  -webkit-mask-clip: content-box, border-box;
  -webkit-mask-composite: xor;
}

.pf-nodegraph-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--vbg-border-default) 1px, transparent 1px);
  background-size: 20px 20px;
  background-position: center;
  pointer-events: none;
}

.pf-nodegraph svg {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
}

.pf-ng-edge {
  fill: none;
  stroke: var(--vbg-border-strong);
  stroke-width: 1.5;
}

.pf-ng-edge-dash {
  fill: none;
  stroke: var(--vbg-border-strong);
  stroke-width: 1.5;
  stroke-dasharray: 4 4;
}

.pf-ng-node rect {
  fill: var(--vbg-surface-primary);
  stroke: var(--vbg-border-default);
  stroke-width: 1;
  rx: 8;
}

.pf-ng-pill rect {
  fill: var(--vbg-surface-primary);
  stroke: var(--vbg-border-strong);
  stroke-width: 1;
}

.pf-ng-title {
  font-family: var(--vbg-font-sans);
  font-size: 13px;
  font-weight: 500;
  fill: var(--vbg-text-primary);
}

.pf-ng-sub {
  font-family: var(--vbg-font-mono);
  font-size: 11.5px;
  fill: var(--vbg-text-secondary);
}

.pf-ng-badge {
  font-family: var(--vbg-font-sans);
  font-size: 10.5px;
  font-weight: 500;
  fill: var(--vbg-text-secondary);
}

.pf-ng-badge-rect {
  fill: var(--vbg-border-subtle);
  rx: 999;
}

.pf-ng-badge-dark-rect {
  fill: #171717;
  rx: 999;
}

.pf-ng-badge-dark {
  font-family: var(--vbg-font-sans);
  font-size: 10.5px;
  font-weight: 500;
  fill: #fafafa;
}

.pf-ng-label {
  font-family: var(--vbg-font-sans);
  font-size: 11px;
  fill: var(--vbg-text-secondary);
}

.pf-ng-label-rect {
  fill: var(--vbg-surface-primary);
  stroke: var(--vbg-border-default);
  stroke-width: 1;
}


.pf-cap-cards {
  grid-column: 1 / -1;
  display: grid;
  gap: var(--vbg-space-4);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 60rem) {
  .pf-cap-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.pf-cap-card {
  border: 1px solid var(--vbg-border-subtle);
  border-radius: 12px;
  background: var(--vbg-surface-secondary);
  padding: clamp(20px, 3vw, 28px);
  display: grid;
  gap: var(--vbg-space-2);
  align-content: start;
}

.pf-cap-card p {
  margin: 0;
  color: var(--vbg-text-secondary);
}

.pf-scoping {
  grid-column: 1 / -1;
  margin-block-start: var(--vbg-space-4);
}

.pf-steps {
  margin: var(--vbg-space-2) 0 0;
  padding-inline-start: 20px;
  display: grid;
  gap: var(--vbg-space-2);
}

@media (min-width: 60rem) {
  .pf-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--vbg-space-8);
  }
}

.pf-steps li::marker {
  font-family: var(--vbg-font-mono);
  color: var(--vbg-text-secondary);
}

.pf-hero-caps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--vbg-space-4);
  margin-block-start: var(--vbg-space-5);
}

@media (min-width: 60rem) {
  .pf-hero-caps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.pf-hero-caps .pf-cap-card {
  background: var(--vbg-surface-secondary);
}

.pf-cap-label {
  font-family: var(--vbg-font-mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--vbg-text-primary);
  margin: 0;
}

.pf-cap-line {
  font-size: 14px;
  color: var(--vbg-text-secondary);
  margin: 0;
  line-height: 1.5;
}

.pf-metric-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--vbg-space-6) var(--vbg-space-4);
}

@media (min-width: 60rem) {
  .pf-metric-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.pf-metric {
  display: grid;
  gap: var(--vbg-space-1);
  align-content: start;
  border-top: 1px solid var(--vbg-border-default);
  padding-top: var(--vbg-space-3);
}

.pf-metric-value {
  font-size: clamp(1.4rem, 2.2vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin: 0;
  white-space: nowrap;
}

.pf-metric-label {
  font-size: 14px;
  font-weight: 500;
  margin: 0;
}

.pf-metric-desc {
  font-size: 13px;
  line-height: 1.55;
  color: var(--vbg-text-secondary);
  margin: 0;
}

.pf-proof-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--vbg-space-4);
  margin-block-start: var(--vbg-space-8);
}

@media (min-width: 60rem) {
  .pf-proof-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}