/* ============================================
   PORTFOLIO.CSS — Portfolio Page Styles
   Interior Design Website | Black & Gold Theme
   ============================================ */

/* ══════════════════════════════════════════
   PORTFOLIO HERO
══════════════════════════════════════════ */

.portfolio-hero {
  background: var(--black-rich);
  padding-top: calc(var(--nav-height) + 3rem);
  padding-bottom: var(--sp-16);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.portfolio-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 50% 0%, rgba(192,57,43,0.08) 0%, transparent 65%);
  pointer-events: none;
}

.portfolio-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--gold-primary);
  margin-bottom: var(--sp-5);
}

.portfolio-hero-line {
  display: block;
  width: 2rem;
  height: 1px;
  background: var(--grad-gold);
}

.portfolio-hero-title {
  font-size: clamp(var(--text-3xl), 6vw, var(--text-5xl));
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--sp-5);
}

.portfolio-hero-title em {
  font-style: italic;
  color: var(--gold-primary);
}

.portfolio-hero-subtitle {
  font-size: var(--text-md);
  color: var(--text-secondary);
  max-width: 520px;
  margin-inline: auto;
  line-height: var(--leading-loose);
  font-weight: var(--weight-light);
}

/* ══════════════════════════════════════════
   FILTER BAR
══════════════════════════════════════════ */

.portfolio-filter-wrap {
  background: var(--black-deep);
  padding-block: var(--sp-8);
  border-bottom: var(--border-thin);
  position: sticky;
  top: var(--nav-height-scrolled);
  z-index: var(--z-sticky);
  backdrop-filter: blur(12px);
  background: rgba(44,24,16,0.95);
}

.portfolio-filter-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.pf-pill {
  padding: 0.5rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.8);
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--trans-base);
  background: transparent;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.pf-pill:hover {
  border-color: #f1948a;
  color: #ffffff;
  background: rgba(192,57,43,0.2);
}

.pf-pill.active {
  background: var(--grad-gold);
  border-color: transparent;
  color: #ffffff;
  font-weight: var(--weight-bold);
  box-shadow: 0 4px 16px var(--gold-glow-md);
}

.pf-pill-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  color: #ffffff;
  font-size: 0.6rem;
  font-weight: var(--weight-bold);
}

.pf-pill.active .pf-pill-count {
  background: rgba(255,255,255,0.25);
  color: #ffffff;
}

/* ══════════════════════════════════════════
   PORTFOLIO GRID
══════════════════════════════════════════ */

.portfolio-main {
  background: var(--black-deep);
  padding-block: var(--sp-10);
}

.portfolio-count-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-8);
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.portfolio-count-text {
  font-size: var(--text-sm);
  color: var(--text-muted);
  letter-spacing: var(--tracking-wide);
}

.portfolio-count-text span { color: var(--gold-primary); font-weight: var(--weight-semi); }

.portfolio-sort {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* Main grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}

/* ── PORTFOLIO CARD ── */
.pf-card {
  background: var(--black-card);
  border: var(--border-thin);
  border-radius: var(--radius-xl);
  overflow: hidden;
  text-decoration: none;
  display: block;
  transition: all var(--trans-base);
  position: relative;
  opacity: 1;
  transform: scale(1);
}

.pf-card:hover {
  transform: translateY(-8px);
  border-color: var(--gold-dim);
  box-shadow: var(--shadow-xl), var(--shadow-gold);
}

/* Filter animation */
.pf-card.hide {
  display: none;
}

.pf-card.show {
  display: block;
  animation: cardEntrance 0.4s var(--ease-out) both;
}

/* Image */
.pf-card-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.pf-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out);
}

.pf-card:hover .pf-card-img { transform: scale(1.08); }

.pf-card-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(44,24,16,0.7) 0%, transparent 55%);
  transition: opacity var(--trans-base);
}

/* Before/After badge */
.pf-card-ba-badge {
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-4);
  background: rgba(44,24,16,0.85);
  backdrop-filter: blur(6px);
  border: var(--border-gold);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  font-size: 0.6rem;
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--gold-primary);
  z-index: 2;
}

/* Category pill on image */
.pf-card-cat {
  position: absolute;
  bottom: var(--sp-4);
  left: var(--sp-4);
  background: rgba(44,24,16,0.8);
  backdrop-filter: blur(6px);
  border: var(--border-gold);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  font-size: 0.6rem;
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--gold-primary);
  z-index: 2;
}

/* Body */
.pf-card-body {
  padding: var(--sp-5) var(--sp-6);
}

.pf-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-2);
  transition: color var(--trans-fast);
  line-height: var(--leading-snug);
}

.pf-card:hover .pf-card-title { color: var(--gold-bright); }

.pf-card-location {
  font-size: var(--text-xs);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  margin-bottom: var(--sp-4);
  letter-spacing: var(--tracking-wide);
}

/* Stats row */
.pf-card-stats {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding-top: var(--sp-4);
  border-top: var(--border-thin);
  flex-wrap: wrap;
}

.pf-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pf-stat-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.pf-stat-value {
  font-size: var(--text-xs);
  color: var(--gold-primary);
  font-weight: var(--weight-semi);
}

.pf-card-arrow {
  margin-left: auto;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-dim);
  transition: all var(--trans-base);
  flex-shrink: 0;
}

.pf-card:hover .pf-card-arrow {
  background: var(--gold-primary);
  border-color: var(--gold-primary);
  color: #ffffff;
  transform: translateX(2px);
}

/* No results */
.pf-no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--sp-16) 0;
  color: var(--text-secondary);
}

.pf-no-results h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--sp-3);
  font-family: var(--font-body);
  font-weight: var(--weight-medium);
}

/* ══════════════════════════════════════════
   BEFORE / AFTER SHOWCASE
══════════════════════════════════════════ */

.ba-showcase {
  background: var(--black-rich);
}

.ba-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-8);
  align-items: start;
}

.ba-item {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: ew-resize;
  user-select: none;
  box-shadow: var(--shadow-lg);
}

.ba-item-inner {
  position: relative;
  aspect-ratio: 4/3;
}

/* After image (full width base) */
.ba-img-after {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: absolute;
  inset: 0;
}

/* Before image (clipped) */
.ba-img-before-wrap {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  overflow: hidden;
  width: 50%;
  z-index: 2;
}

.ba-img-before {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  object-fit: cover;
  object-position: left center;
  /* Width is set dynamically by JS to match full container width */
  width: 100%;
}

/* Drag handle */
.ba-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  background: var(--grad-gold);
  z-index: 3;
  cursor: ew-resize;
}

.ba-handle-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--grad-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 0.9rem;
  box-shadow: var(--shadow-gold);
  font-weight: bold;
}

/* Labels */
.ba-label {
  position: absolute;
  bottom: var(--sp-4);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.6rem;
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  z-index: 4;
}

.ba-label-before {
  left: var(--sp-4);
  background: rgba(44,24,16,0.8);
  color: var(--text-secondary);
  border: var(--border-thin);
}

.ba-label-after {
  right: var(--sp-4);
  background: var(--grad-gold);
  color: #ffffff;
}

.ba-info {
  padding: var(--sp-5);
}

.ba-info-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-2);
}

.ba-info-meta {
  font-size: var(--text-xs);
  color: var(--gold-primary);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--sp-3);
}

.ba-info-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-loose);
}

/* ══════════════════════════════════════════
   PORTFOLIO CTA
══════════════════════════════════════════ */

.portfolio-cta {
  background: var(--black-card);
  position: relative;
  overflow: hidden;
}

.portfolio-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 100% at 50% 50%, rgba(192,57,43,0.06) 0%, transparent 70%);
}

.portfolio-cta-inner {
  position: relative;
  text-align: center;
  max-width: 620px;
  margin-inline: auto;
}

.portfolio-cta-title {
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-3xl));
  font-weight: 700;
  margin-bottom: var(--sp-4);
}

.portfolio-cta-title em { font-style: italic; color: var(--gold-primary); }

.portfolio-cta-text {
  color: var(--text-secondary);
  font-size: var(--text-md);
  line-height: var(--leading-loose);
  margin-bottom: var(--sp-8);
  font-weight: var(--weight-light);
}

.portfolio-cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
  width: 100%;
}

.portfolio-cta-actions .btn {
  flex: 0 1 auto;
  min-width: 200px;
  justify-content: center;
}

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */

@media (max-width: 1024px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .ba-grid { grid-template-columns: 1fr; max-width: 600px; margin-inline: auto; }
}

@media (max-width: 640px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-filter-inner { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: var(--sp-2); }
  .pf-pill { flex-shrink: 0; }
  .portfolio-cta-actions { flex-direction: column; align-items: center; gap: var(--sp-3); }
  .portfolio-cta-actions .btn { width: 100%; max-width: 340px; }
}

/* ══ MOBILE FIX: 360px – 430px ══ */
@media (max-width: 430px) {
  .portfolio-hero-title { font-size: 1.7rem; }
  .portfolio-hero-subtitle { font-size: 0.875rem; }
  .portfolio-filter-wrap { top: 62px; padding-block: 0.65rem; }
  .portfolio-filter-inner { gap: 0.5rem; padding-inline: 0.75rem; }
  .pf-pill { padding: 0.4rem 0.9rem; font-size: 0.65rem; }
  .pf-pill-count { width: 15px; height: 15px; font-size: 0.55rem; }
  .portfolio-grid { grid-template-columns: 1fr; gap: 0.85rem; }
  .pf-card-title { font-size: 1rem; }
  .pf-card-stats { gap: 0.6rem; flex-wrap: wrap; }
  .ba-grid { grid-template-columns: 1fr; }
  .ba-item-inner { aspect-ratio: 4/3; }
  .portfolio-cta-title { font-size: 1.45rem; }
  .portfolio-cta-actions { flex-direction: column; align-items: center; gap: var(--sp-3); }
  .portfolio-cta-actions .btn { width: 100%; max-width: 100%; }
}

/* ══ 20px section gap between portfolio cards on mobile ══ */
@media (max-width: 768px) {
  .portfolio-grid { gap: 20px; }
  .portfolio-main { padding-block: var(--sp-8); }
}
@media (max-width: 430px) {
  .portfolio-grid { gap: 20px; grid-template-columns: 1fr; }
}