/* ==========================================================================
   Portfolio listing (/portfolios/)
   Builds on single-portfolio.css: --pf-* tokens, .pf-pill, .pf-hl, .pf-spotlight,
   .pf-aurora/.pf-hero-grid, .pf-hero-metrics, .pf-btn and .pf-outcome-cta.
   ========================================================================== */

/* Hero — same structure as the home page hero: left-aligned copy + tilted visual */
.pfa-hero {
  padding-top: clamp(24px, 3.5vw, 44px);
  padding-bottom: clamp(36px, 4.5vw, 60px);
  /* Same layers as the home / service page heroes: blue glow, white fade (keeps the copy readable), office photo */
  background-color: #FFFFFF;
  background-image:
    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 45%),
    linear-gradient(90deg, #FFFFFF 0%, rgba(255, 255, 255, 0.97) 35%, rgba(255, 255, 255, 0.8) 60%, rgba(255, 255, 255, 0.15) 100%),
    url('https://images.unsplash.com/photo-1497366216548-37526070297c?q=80&w=2869&auto=format&fit=crop');
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  border-bottom: 1px solid #E2E8F0;
}

/* The photo replaces the decorative aurora + grid used on case study heroes */
.pfa-hero .pf-hero-bg {
  display: none;
}

@media (max-width: 991px) {
  .pfa-hero {
    background-image:
      linear-gradient(180deg, #FFFFFF 0%, rgba(255, 255, 255, 0.95) 50%, rgba(255, 255, 255, 0.2) 100%),
      url('https://images.unsplash.com/photo-1497366216548-37526070297c?q=80&w=2869&auto=format&fit=crop');
  }
}

.pfa-hero-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
}

.pfa-hero-copy {
  min-width: 0;
}

.pfa-breadcrumb {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--pf-subtle);
}

.pfa-breadcrumb a {
  color: var(--pf-blue);
  text-decoration: none;
}

.pfa-breadcrumb a:hover {
  text-decoration: underline;
}

/* Pill badge (home .hero-top-badge) */
.pfa-top-badge {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
  padding: 8px 20px;
  border-radius: 50px;
  background: rgba(27, 58, 92, 0.03);
  border: 1px solid rgba(27, 58, 92, 0.08);
  box-shadow: 0 4px 12px rgba(27, 58, 92, 0.02);
  color: var(--pf-primary);
  font-size: 14px;
  font-weight: 600;
}

.pfa-badge-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.pfa-badge-item svg {
  width: 15px;
  height: 15px;
}

.pfa-badge-item .is-star {
  color: #F59E0B;
}

.pfa-badge-divider {
  color: #CBD5E1;
  font-weight: 300;
}

/* Headline (home .hero-title) */
.pfa-title {
  margin: 0 0 18px;
  font-family: var(--pf-font);
  font-size: clamp(2.25rem, 4.2vw, 3.5rem);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.09375rem;
  color: var(--pf-primary);
}

.pfa-title span {
  color: #3b82f6;
}

.pfa-lead {
  margin: 0 0 28px;
  max-width: 540px;
  font-size: 1.125rem;
  line-height: 1.7;
  color: #4A5568;
}

.pfa-hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.pfa-hero-actions .pf-btn-secondary svg {
  color: #3b82f6;
}

/* Right: tilted stack of mini case study cards */
.pfa-hero-visual {
  position: relative;
  min-width: 0;
  perspective: 1400px;
}

.pfa-hero-stage {
  --rx: 0deg;
  --ry: 0deg;
  position: relative;
  height: 380px;
  max-width: 540px;
  margin-left: auto;
  transform: rotateY(calc(-8deg + var(--ry))) rotateX(calc(4deg + var(--rx)));
  transform-style: preserve-3d;
  transition: transform 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.pfa-hero-stage::before {
  content: "";
  position: absolute;
  inset: 10% 8%;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.3) 0%, transparent 70%);
  filter: blur(40px);
}

.pfa-mini {
  position: absolute;
  width: 74%;
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(11, 99, 174, 0.1);
  box-shadow: 0 20px 50px rgba(37, 99, 235, 0.14);
}

.pfa-mini--1 {
  top: 0;
  left: 0;
  z-index: 3;
  transform: translateZ(40px);
}

.pfa-mini--2 {
  top: 34%;
  right: 0;
  z-index: 2;
  transform: translateZ(20px);
}

.pfa-mini--3 {
  bottom: 0;
  left: 8%;
  z-index: 1;
  opacity: 0.92;
}

.pfa-mini-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.pfa-mini-head .pf-arch-dots {
  padding: 0;
  border: none;
  background: none;
}

.pfa-mini-head .pf-arch-dots i {
  width: 7px;
  height: 7px;
}

.pfa-mini-cat {
  padding: 3px 9px;
  border-radius: var(--pf-radius-pill);
  background: var(--pf-blue-soft);
  color: var(--pf-blue);
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.pfa-mini-title {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--pf-text-dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pfa-mini-icons {
  display: flex;
  gap: 8px;
}

.pfa-mini-icons span {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--pf-blue);
  background: linear-gradient(135deg, #EEF4FF 0%, #DBE8FF 100%);
}

.pfa-mini--1 .pfa-mini-icons span:first-child {
  color: #FFFFFF;
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

.pfa-mini-icons svg {
  width: 17px;
  height: 17px;
}

.pfa-mini-meta {
  font-size: 12px;
  font-weight: 600;
  color: var(--pf-subtle);
}

.pfa-mini-meta strong {
  color: var(--pf-text-dark);
}

/* Floating chips (reuse .pf-hero-chip from the case study hero) */
.pfa-chip--top {
  top: -14px;
  right: -4%;
  z-index: 4;
}

.pfa-chip--bottom {
  bottom: 18%;
  left: -6%;
  z-index: 4;
  animation-delay: -3s;
}

.pfa-chip-text {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--pf-muted);
  white-space: nowrap;
}

.pfa-chip-text strong {
  color: var(--pf-text-dark);
}

@media (max-width: 1024px) {
  .pfa-hero-row {
    grid-template-columns: 1fr;
  }

  .pfa-hero-stage {
    margin: 12px auto 0;
  }
}

@media (max-width: 768px) {
  .pfa-hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .pfa-top-badge {
    padding: 7px 14px;
    font-size: 12.5px;
  }

  .pfa-lead {
    font-size: 1rem;
  }

  .pfa-hero-stage {
    height: 330px;
    transform: none;
  }

  .pfa-mini {
    width: 86%;
  }

  .pfa-chip--top {
    right: 0;
  }

  .pfa-chip--bottom {
    left: 0;
  }
}

@media (max-width: 580px) {
  /* Keep phones focused on the copy and the grid */
  .pfa-hero-visual {
    display: none;
  }
}
/* Listing */
.pfa-listing {
  padding-top: clamp(36px, 4.5vw, 56px);
  padding-bottom: clamp(64px, 7vw, 96px);
  background: var(--pf-bg-alt);
}

/* Filter chips */
.pfa-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: clamp(28px, 4vw, 40px);
}

.pfa-filter {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--pf-radius-pill);
  border: 1px solid #E3E9F3;
  background: #FFFFFF;
  color: var(--pf-text);
  font-family: var(--pf-font);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.pfa-filter span {
  min-width: 22px;
  padding: 2px 7px;
  border-radius: var(--pf-radius-pill);
  background: #F4F7FC;
  color: var(--pf-subtle);
  font-size: 12px;
  font-weight: 700;
}

.pfa-filter:hover {
  border-color: var(--pf-blue-soft-border);
  color: var(--pf-blue);
  transform: translateY(-1px);
}

.pfa-filter:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}

.pfa-filter.is-active {
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  border-color: transparent;
  color: #FFFFFF;
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.25);
}

.pfa-filter.is-active span {
  background: rgba(255, 255, 255, 0.22);
  color: #FFFFFF;
}

/* Bento grid: first card is a wide featured card */
.pfa-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.pfa-card {
  position: relative;
  margin: 0;
  display: flex;
  flex-direction: column;
  border-radius: var(--pf-radius-xl);
  background: #FFFFFF;
}

.pfa-card[hidden] {
  display: none;
}

.pfa-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--pf-shadow-hover);
}

/* Whole card is clickable; content sits above the spotlight layers */
.pfa-card-link {
  position: absolute;
  inset: 0;
  z-index: 3;
  border-radius: inherit;
}

.pfa-card-link:focus-visible {
  outline: 3px solid #3b82f6;
  outline-offset: 3px;
}

.pfa-card.is-featured {
  grid-column: span 3;
  flex-direction: row;
}

.pfa-grid.is-filtered .pfa-card.is-featured {
  grid-column: auto;
  flex-direction: column;
}

.pfa-card.is-entering {
  animation: pfa-enter 0.45s cubic-bezier(0.165, 0.84, 0.44, 1) both;
}

@keyframes pfa-enter {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}

/* Visual area */
.pfa-visual {
  position: relative;
  aspect-ratio: 16 / 10;
  margin: 10px 10px 0;
  border-radius: calc(var(--pf-radius-xl) - 8px);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #EEF4FF;
  background-image:
    radial-gradient(rgba(11, 99, 174, 0.12) 1px, transparent 1px),
    radial-gradient(circle at 100% 0%, rgba(59, 130, 246, 0.25) 0%, transparent 55%),
    radial-gradient(circle at 0% 100%, rgba(14, 165, 233, 0.18) 0%, transparent 55%);
  background-size: 18px 18px, auto, auto;
}

.pfa-card.is-featured .pfa-visual {
  flex: 0 0 56%;
  aspect-ratio: auto;
  min-height: 340px;
  margin: 10px 0 10px 10px;
}

.pfa-grid.is-filtered .pfa-card.is-featured .pfa-visual {
  flex: none;
  aspect-ratio: 16 / 10;
  min-height: 0;
  margin: 10px 10px 0;
}

.pfa-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.pfa-card:hover .pfa-visual img {
  transform: scale(1.04);
}

/* Generated visual: outlined mark + floating feature icon tiles */
.pfa-visual-mark {
  position: absolute;
  right: 6%;
  bottom: -6%;
  font-size: clamp(4.5rem, 9vw, 7.5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 2px rgba(11, 99, 174, 0.18);
  white-space: nowrap;
  transition: -webkit-text-stroke-color 0.4s ease, transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.pfa-card.is-featured .pfa-visual-mark {
  font-size: clamp(6rem, 12vw, 11rem);
}

.pfa-card:hover .pfa-visual-mark {
  -webkit-text-stroke-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-6px);
}

.pfa-visual-icons {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 56px);
  gap: 12px;
}

.pfa-card.is-featured .pfa-visual-icons {
  grid-template-columns: repeat(3, 64px);
  gap: 14px;
}

.pfa-grid.is-filtered .pfa-card.is-featured .pfa-visual-icons {
  grid-template-columns: repeat(2, 56px);
}

.pfa-visual-ico {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--pf-blue);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.14);
  transition: transform 0.5s cubic-bezier(0.165, 0.84, 0.44, 1), background 0.3s ease, color 0.3s ease;
  transition-delay: calc(var(--i) * 40ms);
}

.pfa-card.is-featured .pfa-visual-ico {
  width: 64px;
  height: 64px;
}

.pfa-visual-ico svg {
  width: 24px;
  height: 24px;
}

.pfa-visual-ico:nth-child(odd) {
  transform: translateY(-6px);
}

.pfa-card:hover .pfa-visual-ico {
  color: #FFFFFF;
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  transform: translateY(-10px);
}

.pfa-card:hover .pfa-visual-ico:nth-child(even) {
  transform: translateY(-4px);
}

.pfa-cat {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 12px;
  border-radius: var(--pf-radius-pill);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--pf-blue);
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(20, 33, 61, 0.08);
}

/* Card body */
.pfa-body {
  flex: 1 1 auto;
  min-width: 0;
  padding: 22px 26px 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pfa-card.is-featured .pfa-body {
  justify-content: center;
  padding: clamp(28px, 4vw, 48px);
  gap: 16px;
}

.pfa-grid.is-filtered .pfa-card.is-featured .pfa-body {
  justify-content: flex-start;
  padding: 22px 26px 26px;
  gap: 12px;
}

.pfa-meta {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--pf-subtle);
}

.pfa-meta strong {
  color: var(--pf-text-dark);
  font-weight: 800;
}

.pfa-meta i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #BCD0F7;
}

.pfa-card-title {
  margin: 0;
  font-family: var(--pf-font);
  font-size: 1.375rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--pf-text-dark);
  transition: color 0.3s ease;
  text-transform: capitalize;
}

.pfa-card.is-featured .pfa-card-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
}

.pfa-grid.is-filtered .pfa-card.is-featured .pfa-card-title {
  font-size: 1.375rem;
}

.pfa-card:hover .pfa-card-title {
  color: var(--pf-blue);
}

.pfa-excerpt {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--pf-muted);
}

.pfa-card.is-featured .pfa-excerpt {
  font-size: 16.5px;
}

.pfa-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pfa-tags li {
  margin: 0;
  padding: 4px 10px;
  border-radius: 8px;
  background: #F6F9FE;
  border: 1px solid #E6EDF7;
  color: var(--pf-text-dark);
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", Consolas, monospace;
  font-size: 12px;
  font-weight: 500;
}

.pfa-cta {
  margin-top: auto;
  padding-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--pf-blue);
  font-size: 14px;
  font-weight: 700;
}

.pfa-cta svg {
  transition: transform 0.3s ease;
}

.pfa-card:hover .pfa-cta svg {
  transform: translateX(5px);
}

.pfa-empty {
  margin: 24px 0 0;
  text-align: center;
  color: var(--pf-muted);
}

.pfa-paging:empty {
  display: none;
}

/* CTA */
.pfa-cta-section {
  padding: 0 0 clamp(64px, 7vw, 96px);
  background: var(--pf-bg-alt);
}

.pfa-cta-copy {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pfa-cta-title {
  margin: 0;
  font-family: var(--pf-font);
  font-size: clamp(1.375rem, 2.4vw, 1.875rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--pf-text-dark);
}

/* Responsive */
@media (max-width: 1024px) {
  .pfa-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pfa-card.is-featured {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .pfa-grid {
    grid-template-columns: 1fr;
  }

  .pfa-card.is-featured {
    grid-column: auto;
    flex-direction: column;
  }

  .pfa-card.is-featured .pfa-visual {
    flex: none;
    aspect-ratio: 16 / 10;
    min-height: 0;
    margin: 10px 10px 0;
  }

  .pfa-card.is-featured .pfa-body {
    padding: 22px;
  }

  .pfa-card.is-featured .pfa-visual-icons {
    grid-template-columns: repeat(3, 52px);
  }

  .pfa-card.is-featured .pfa-visual-ico {
    width: 52px;
    height: 52px;
  }

  /* Chips scroll sideways instead of wrapping into many rows */
  .pfa-filters {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 6px;
    margin-left: calc(-1 * clamp(16px, 3vw, 32px));
    margin-right: calc(-1 * clamp(16px, 3vw, 32px));
    padding-left: clamp(16px, 3vw, 32px);
    padding-right: clamp(16px, 3vw, 32px);
    scrollbar-width: none;
  }

  .pfa-filters::-webkit-scrollbar {
    display: none;
  }

  .pfa-filter {
    flex-shrink: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pfa-title span,
  .pfa-card.is-entering {
    animation: none !important;
  }

  .portfolio-single-wrapper .pfa-card:hover,
  .portfolio-single-wrapper .pfa-card:hover .pfa-visual img,
  .portfolio-single-wrapper .pfa-card:hover .pfa-visual-mark,
  .portfolio-single-wrapper .pfa-card:hover .pfa-visual-ico,
  .portfolio-single-wrapper .pfa-filter:hover {
    transform: none !important;
  }
}