/* ══════════════════════════════════════
   PORTFOLIO PAGE — Refined & Elegant
══════════════════════════════════════ */

/* Page Hero Override for centered title */
.page-hero {
  text-align: center;
  padding: 56px 60px 48px;
}
.page-hero .page-breadcrumb {
  justify-content: center;
}
.page-hero-inner {
  max-width: 800px;
  margin: 0 auto;
}
.page-hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}
.page-hero p {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Filter Bar - Hidden but kept for structure */
.pf-filter-bar {
  position: sticky;
  top: var(--nav-h);
  z-index: 90;
  background: rgba(244,241,235,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: none; /* Hidden as requested */
  gap: 8px;
  padding: 12px 60px;
  overflow-x: auto;
  scrollbar-width: none;
}
.pf-filter-bar::-webkit-scrollbar { display: none; }
.filter-btn {
  flex-shrink: 0;
  padding: 7px 18px;
  border-radius: 40px;
  border: 1.5px solid var(--border);
  background: transparent;
  font-family: 'Space Mono', monospace;
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.22s;
  white-space: nowrap;
}
.filter-btn.active,
.filter-btn:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}

/* Grid Section */
.pf-grid-sec {
  background: var(--bg2);
  padding: 50px 60px 70px;
}
.pf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
  max-width: 1400px;
  margin: 0 auto;
}

/* Project Card */
.pf-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.3s;
  box-shadow: 0 4px 16px rgba(60, 80, 50, 0.08);
  animation: fadeUp 0.5s ease both;
}
.pf-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 48px rgba(60, 80, 50, 0.16);
  border-color: rgba(20, 104, 88, 0.35);
}
.pf-item.hidden {
  opacity: 0;
  pointer-events: none;
  height: 0;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

/* Thumbnail Area */
.pf-item-thumb {
  position: relative;
  height: 230px;
  background: var(--bg3);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pf-item-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.5s cubic-bezier(0.2, 0.9, 0.4, 1.1), filter 0.3s;
  filter: saturate(0.88);
}
.pf-item:hover .pf-item-thumb img {
  transform: scale(1.05);
  filter: saturate(1.05);
}

/* Overlay on hover */
.pf-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(20, 60, 40, 0.6);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.pf-item:hover .pf-item-overlay {
  opacity: 1;
}
.pf-zoom {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-family: 'Space Mono', monospace;
  background: rgba(0, 0, 0, 0.5);
  padding: 8px 18px;
  border-radius: 40px;
  transition: background 0.2s;
}
.pf-zoom:hover {
  background: var(--teal);
}

/* Project Tag (top right corner) */
.pf-item-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 5px 14px;
  border-radius: 40px;
  background: rgba(20, 104, 88, 0.92);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  font-family: 'Space Mono', monospace;
  backdrop-filter: blur(2px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Meta Info */
.pf-item-meta {
  padding: 22px 22px 24px;
}
.pf-item-meta h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.2px;
}
.pf-item-meta p {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 14px;
}
.pf-item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pf-item-tags span {
  padding: 4px 12px;
  border-radius: 40px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: rgba(20, 104, 88, 0.07);
  border: 1px solid rgba(20, 104, 88, 0.2);
  color: var(--teal);
  transition: all 0.2s;
}
.pf-item:hover .pf-item-tags span {
  background: rgba(20, 104, 88, 0.12);
  border-color: rgba(20, 104, 88, 0.35);
}

/* ========== LIGHTBOX ========== */
.pf-lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 80px 20px 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.pf-lightbox.open {
  opacity: 1;
  pointer-events: all;
}
.pf-lb-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 20, 14, 0.8);
  backdrop-filter: blur(8px);
  cursor: pointer;
}
.pf-lb-panel {
  position: relative;
  z-index: 2;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 24px;
  width: min(820px, 95vw);
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  box-shadow: 0 32px 80px rgba(10, 20, 14, 0.4);
  transform: translateY(16px) scale(0.97);
  transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.pf-lightbox.open .pf-lb-panel {
  transform: translateY(0) scale(1);
}
.pf-lb-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg2);
  color: var(--text-mid);
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  z-index: 10;
}
.pf-lb-close:hover {
  background: var(--coral);
  color: #fff;
  border-color: var(--coral);
}
.pf-lb-header {
  margin-bottom: 16px;
  padding-right: 40px;
}
.pf-lb-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.45rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 8px;
}
.pf-lb-desc {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 12px;
}
.pf-lb-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pf-lb-tags span {
  padding: 4px 12px;
  border-radius: 40px;
  font-size: 0.68rem;
  font-weight: 600;
  background: rgba(20, 104, 88, 0.08);
  border: 1px solid rgba(20, 104, 88, 0.2);
  color: var(--teal);
}
.pf-lb-preview {
  position: relative;
  border-radius: var(--r);
  overflow: hidden;
  background: var(--bg3);
  margin-bottom: 14px;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pf-lb-preview img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: opacity 0.2s;
}
.pf-lb-counter {
  position: absolute;
  bottom: 10px;
  right: 12px;
  background: rgba(10, 20, 14, 0.7);
  backdrop-filter: blur(4px);
  color: #fff;
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 40px;
}
.pf-lb-strip-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.pf-lb-arrow {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg2);
  color: var(--teal);
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.pf-lb-arrow:hover {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
}
.pf-lb-strip-vp {
  flex: 1;
  overflow: hidden;
}
.pf-lb-strip {
  display: flex;
  gap: 12px;
  transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.pf-lb-thumb {
  flex-shrink: 0;
  width: 95px;
  height: 64px;
  border-radius: 10px;
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: center;
}
.pf-lb-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.pf-lb-thumb:hover {
  transform: scale(1.05);
}
.pf-lb-thumb.active {
  border-color: var(--teal);
  box-shadow: 0 0 0 2px rgba(20, 104, 88, 0.3);
}

/* Skills Teaser */
.skills-teaser {
  background: var(--bg);
  padding: 70px 60px;
}
.skills-banner {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  max-width: 1000px;
  margin: 0 auto;
}
.skill-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 60px;
  transition: all 0.25s;
}
.skill-badge:hover {
  transform: translateY(-4px);
  border-color: rgba(20, 104, 88, 0.4);
  box-shadow: 0 12px 28px rgba(20, 104, 88, 0.12);
}
.skill-badge img {
  width: 26px;
  height: 26px;
  object-fit: contain;
}
.skill-badge .sk-emoji {
  font-size: 1.4rem;
}
.skill-badge span:last-child {
  font-family: 'DM Serif Display', serif;
  font-size: 0.95rem;
  color: var(--text);
}

/* Responsive */
@media (max-width: 960px) {
  .page-hero {
    padding: 40px 24px 32px;
  }
  .pf-grid-sec {
    padding: 40px 24px 50px;
  }
  .pf-grid {
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 20px;
  }
  .pf-lightbox {
    padding: 70px 12px 12px;
  }
  .skills-teaser {
    padding: 50px 24px;
  }
}
@media (max-width: 640px) {
  .pf-grid {
    grid-template-columns: 1fr;
  }
  .pf-lb-strip-vp {
    max-width: calc(100vw - 100px);
  }
  .pf-lb-thumb {
    width: 70px;
    height: 50px;
  }
}