/* ═══════════════════════════════════════════════════════
   PORTFOLIO PAGE — Specific Styles
   ═══════════════════════════════════════════════════════ */

/* ── Screen-reader-only page heading (visual design has no H1) ── */
.pf-sr-heading {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Filter Pills ─────────────────────────────────── */
.pf-filters {
  padding-top: clamp(110px, 10.66vw, 123px);
  padding-bottom: clamp(1.5rem, 2.46vw, 1.845rem);
}

.pf-filters__tabs {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.pf-filters__pill {
  font-family: 'Montserrat', var(--font-sans);
  /* 10 Sept review: filter pills "a lot smaller" (were 1.15rem 2.25rem). */
  font-size: 0.86rem;   /* was 0.82rem; 16 Sept responsive pass: 12px floor */
  font-weight: 400;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1.3;
  padding: 0.6rem 1.2rem;
  border-radius: 100px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0);
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.3s ease;
}

.pf-filters__pill:hover {
  border-color: var(--color-copper);
  color: var(--color-copper);
}

.pf-filters__pill--active,
.pf-filters__pill--active:hover {
  background: var(--color-copper);
  border-color: var(--color-copper);
  color: #fff;
}

/* 21 Sept: the Expertise pill from Portfolio.png. Expertise is a category rather than a single
   value, so the pill opens the three disciplines beneath it and picking one filters the grid.
   Every project carries a Service, so this is the one facet with real data behind it. */
.pf-filters__group {
  position: relative;
  display: inline-flex;
}

.pf-filters__menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  min-width: 100%;
  padding: 0.4rem 0;
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 10px 30px rgba(35, 31, 32, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  z-index: 5;
}

.pf-filters__group.is-open .pf-filters__menu {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.pf-filters__option {
  display: block;
  width: 100%;
  padding: 0.5rem 1.2rem;
  font-family: 'Montserrat', var(--font-sans);
  font-size: 0.86rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-align: left;
  white-space: nowrap;
  border: none;
  background: none;
  color: var(--color-text);
  cursor: pointer;
  transition: color 0.3s ease;
}

.pf-filters__option:hover,
.pf-filters__option--active {
  color: var(--color-copper);
}

/* ── Project Grid ─────────────────────────────────── */
.pf-grid-section {
  padding-top: clamp(1.5rem, 2.46vw, 1.64rem);
}

/* On Webflow the cards come from a CMS Collection List, which inserts .w-dyn-list and
   .w-dyn-items between the grid and the cards, so the grid has to be declared on the items
   wrapper too. The hand-coded page has the cards as direct children. */
.pf-grid,
.pf-grid .w-dyn-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 2.46vw, 2.05rem) clamp(1.5rem, 2.46vw, 2.05rem);
}

.pf-grid > .w-dyn-list {
  grid-column: 1 / -1;
}

.pf-card {
  display: block;
  position: relative;
  opacity: 1;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.pf-card.hidden {
  opacity: 0;
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}

.pf-card__img {
  overflow: hidden;
  border-radius: 4px;
  aspect-ratio: 16/9;
}

.pf-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

.pf-card:hover .pf-card__img img {
  transform: scale(1.05);
}

.pf-card__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
  padding-top: 0.75rem;
}
.pf-card__tag {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: clamp(0.85rem, 0.9vw, 1.1rem);
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
}

.pf-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  flex-shrink: 0;
}

.pf-dot--location {
  background: #E08A3C;
}

.pf-dot--size {
  background: #4A4FE0;
}

.pf-dot--industry {
  background: #4CAF6E;
}

/* The Webflow Portfolio cards come from the CMS and carry no .pf-dot
   markup, so draw the same colour tags from CSS (10 Sept review: "add the
   little colour tags"). CMS tags run location, [size], sector, so colour
   by position. Hand-coded cards that already have a .pf-dot are skipped. */
.pf-card__tag:not(:has(.pf-dot))::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  flex-shrink: 0;
  background: #4A4FE0;              /* size (middle tag) */
}

.pf-card__tag:first-child:not(:has(.pf-dot))::before {
  background: #E08A3C;              /* location */
}

.pf-card__tag:last-child:not(:first-child):not(:has(.pf-dot))::before {
  background: #4CAF6E;              /* sector */
}

.pf-card__title {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 1.3669vw, 1.64rem);
  font-weight: 700;
  margin-top: 0.75rem;
  color: var(--color-text);
  line-height: 1.25;
}

/* ── Featured Project ─────────────────────────────── */
.pf-featured {
  background: var(--color-bg-alt);
}

.pf-featured__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(3rem, 4.1vw, 4.1rem);
  align-items: center;
}

.pf-featured__image {
  overflow: hidden;
  aspect-ratio: 16/10;
}

.pf-featured__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pf-featured__cat {
  font-size: 0.9225rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-copper);
}

.pf-featured__title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 2.7306vw, 3.28rem);
  font-weight: 600;
  margin-top: 0.5rem;
  line-height: 1.08;
}
.pf-featured__subtitle {
  font-family: var(--font-serif);
  font-size: 1.23rem;
  font-style: italic;
  color: var(--color-text);
  margin-top: 0.5rem;
  line-height: 1.08;
}
.pf-featured__desc {
  font-size: 0.984rem;
  line-height: 1.5;
  color: var(--color-text);
  margin-top: 1.5rem;
}

.pf-featured__meta {
  display: flex;
  gap: 2.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.pf-featured__meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.pf-featured__meta-label {
  font-size: 0.9225rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text);
  line-height: 1.5;
}

.pf-featured__meta-value {
  font-size: 1.0496rem;
  font-weight: 500;
}

.pf-featured .btn {
  margin-top: 2rem;
}

/* ── CTA (reuse from workplace) ───────────────────── */
.wp-cta {
  background: var(--color-dark);
  color: #fff;
}

.wp-cta__inner {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.wp-cta__heading {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 2.7306vw, 3.28rem);
  font-weight: 600;
  line-height: 1.08;
  margin-bottom: 1.5rem;
}

.wp-cta__text {
  font-size: 1.0496rem;
  line-height: 1.5;
  color: var(--color-text-muted-on-dark);
  margin-bottom: 2.5rem;
}

.wp-cta .btn {
  background: var(--color-copper);
  color: #fff;
  border-color: var(--color-copper);
}

.wp-cta .btn:hover {
  background: #fff;
  color: var(--color-dark);
  border-color: #fff;
}

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 1024px) {
  .pf-featured__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .pf-grid,
  .pf-grid .w-dyn-items {
    grid-template-columns: 1fr;
  }

  .pf-filters__tabs {
    gap: 0.625rem;
  }

  .pf-filters__pill {
    padding: 0.625rem 1.125rem;
    font-size: 0.86rem;   /* was 0.615rem; 16 Sept responsive pass: 12px floor */
  }

  .pf-card__tags {
    gap: 1rem;
  }

  .pf-featured__meta {
    flex-wrap: wrap;
    gap: 1.5rem;
  }
}

/* The portfolio grid runs wider than the body container — measured off the
   mockup, cards span x82 to x1837 on the 1920 canvas with a 27px gutter. */
.pf-grid-section > .container,
.pf-filters > .container {
  max-width: none;
  padding: 0 clamp(20px, 3.5014vw, 67.24px);
}

.pf-grid,
.pf-grid .w-dyn-items { gap: 27px clamp(16px, 1.148vw, 22.14px); }

/* 14 of the 29 CMS projects have no card thumbnail yet. Collapsing the frame would leave the two
   columns ragged, so — as on the Our People grid — the card keeps its shape and shows a blank
   placeholder tone until the photograph is loaded. */
.pf-card__img:has(img.w-dyn-bind-empty) {
  background: rgba(35, 31, 32, 0.06);
}

.pf-card__img img.w-dyn-bind-empty {
  display: none;
}

/* The card tags read Location | Size | Expertise. Only 7 of the 31 projects carry a size so far,
   so the tag drops out rather than leaving a stray separator. */
.pf-card__tag.w-dyn-bind-empty {
  display: none;
}

/* 25 Sept: the filter pills were 35px tall on a phone, under the 44px
   minimum for a comfortable touch target. */
@media (max-width: 768px) {
  .pf-filters__pill,
  .pf-filters__option {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  .pf-filters__option {
    display: flex;
  }
}