/* ==========================================================================
   Portfolio Page
   ========================================================================== */

/* ── Header ─────────────────────────────────────────────────────────────── */
.pf-header {
  background: var(--color-ivory);
  padding: calc(var(--nav-height) + 56px) var(--side-pad) 56px;
  text-align: center;
}

.pf-header__inner {
  max-width: 640px;
  margin: 0 auto;
}

.pf-header__eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 20px;
}

.pf-header__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 300;
  line-height: 1.1;
  color: var(--color-charcoal);
  margin-bottom: 24px;
}

.pf-header__title em {
  font-style: italic;
  color: var(--color-gold);
}

.pf-header__sub {
  font-size: clamp(15px, 2vw, 17px);
  font-weight: 400;
  line-height: 1.75;
  color: var(--color-warm-gray);
}

/* ── Filter Bar (sticky wrapper — .pf-filter-bar) ──────────────────────── */
.pf-filter-bar {
  position: sticky;
  top: var(--nav-height);
  z-index: 90;
  background: rgba(245, 249, 240, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.pf-filter-bar__inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--side-pad);
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.pf-filter-bar__inner::-webkit-scrollbar { display: none; }

.pf-filter-bar__btn {
  flex-shrink: 0;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-warm-gray);
  background: none;
  border: none;
  padding: 16px 18px;
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
  white-space: nowrap;
}

.pf-filter-bar__btn::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 2px;
  background: var(--color-gold);
  transition: width 0.3s var(--ease-out-expo);
}

.pf-filter-bar__btn:hover { color: var(--color-charcoal); }

.pf-filter-bar__btn.is-active {
  color: var(--color-charcoal);
}

.pf-filter-bar__btn.is-active::after { width: 70%; }

/* ── Grid ────────────────────────────────────────────────────────────────── */
/* ── Portfolio filter tabs ── */
.pf-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  padding: 0 var(--side-pad) 48px;
}
.pf-filter {
  background: transparent;
  border: 1px solid var(--color-sand);
  color: var(--color-charcoal);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 8px 20px;
  border-radius: 100px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.pf-filter:hover {
  background: var(--color-cream);
}
.pf-filter.is-active {
  background: var(--color-graphite);
  color: #fff;
  border-color: var(--color-graphite);
}

.pf-grid-section {
  background: var(--color-ivory);
  padding: 48px var(--side-pad) var(--section-pad);
}

.pf-grid {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* ── Card ────────────────────────────────────────────────────────────────── */
.pf-card {
  border-radius: 6px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: box-shadow 0.4s var(--ease-out-expo), transform 0.4s var(--ease-out-expo);
}

.pf-card:hover {
  box-shadow: 0 16px 48px rgba(0,0,0,0.13);
  transform: translateY(-4px);
}

.pf-card__img-wrap {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--color-cream);
}

.pf-card__img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease-out-expo);
}

.pf-card:hover .pf-card__img-wrap img {
  transform: scale(1.06);
}

/* Hover overlay */
.pf-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,20,10,0.82) 0%, rgba(10,20,10,0.3) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.pf-card:hover .pf-card__overlay {
  opacity: 1;
}

.pf-card__overlay-cat {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-sand);
  margin-bottom: 6px;
}

.pf-card__overlay-title {
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 300;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 8px;
}

.pf-card__overlay-desc {
  font-size: 12px;
  line-height: 1.55;
  color: rgba(255,255,255,0.75);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Card footer */
.pf-card__foot {
  padding: 14px 18px 18px;
}

.pf-card__cat {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 5px;
}

.pf-card__title {
  font-family: var(--font-display);
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 400;
  color: var(--color-charcoal);
  line-height: 1.25;
}

/* ── Carousel ────────────────────────────────────────────────────────────── */
.pf-card__slide--hidden {
  display: none;
}

.pf-card__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.85);
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s;
}
.pf-card__nav--prev { left: 8px; }
.pf-card__nav--next { right: 8px; }
.pf-card__img-wrap:hover .pf-card__nav { opacity: 1; }

.pf-card__dots {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 5px;
  z-index: 10;
}
.pf-card__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  transition: background 0.2s;
}
.pf-card__dot.is-active {
  background: #fff;
}

/* ── CTA ─────────────────────────────────────────────────────────────────── */
.pf-cta {
  background: var(--color-charcoal);
  padding: var(--section-pad) var(--side-pad);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.pf-cta::before {
  content: '';
  position: absolute; inset: 0;
  background-image: var(--grain);
  background-size: 200px;
  opacity: 0.4;
  pointer-events: none;
}

.pf-cta__inner {
  max-width: 560px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.pf-cta__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 300;
  color: var(--color-cream);
  margin-bottom: 16px;
}

.pf-cta__text {
  font-size: clamp(15px, 2vw, 17px);
  color: var(--color-sand);
  line-height: 1.7;
  margin-bottom: 36px;
}

.pf-cta .btn--primary {
  background: var(--color-gold);
  color: var(--color-charcoal);
}

.pf-cta .btn--primary:hover {
  background: var(--color-cream);
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .pf-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

@media (max-width: 600px) {
  .pf-header { padding-top: calc(var(--nav-height) + 32px); padding-bottom: 40px; }
  .pf-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .pf-card__img-wrap { aspect-ratio: 3 / 4; }
  .pf-card__overlay { opacity: 1; }
  .pf-card__foot { padding: 10px 12px 14px; }
  .pf-card__title { font-size: 14px; }
}