PORTFOLIO / PROJECTS SECTION ENHANCEMENTS
   ============================================ */

/* Category Color Coding with CSS Variables */
:root {
  --portfolio-apps: #ef3724;
  --portfolio-ios: #007AFF;
  --portfolio-template: #34C759;
  --portfolio-wireframes: #AF52DE;
  --portfolio-graphic: #FF9500;
  --portfolio-ui-ux: #5856D6;
  --portfolio-all: #ef3724;
}

/* Portfolio Section Container */
.page-portfolio {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #fff 0%, #f8f9fa 100%);
}

/* Subtle background pattern */
.page-portfolio::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(239, 55, 36, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(239, 55, 36, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.page-portfolio .container {
  position: relative;
  z-index: 1;
}

/* ============================================
   FILTER BUTTONS WITH ANIMATED UNDERLINE
   ============================================ */

.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0 40px;
}

.portfolio-filter-btn {
  position: relative;
  padding: 10px 25px;
  background: transparent;
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  color: #666;
  cursor: pointer;
  transition: all 0.3s ease;
  overflow: hidden;
}

.portfolio-filter-btn::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--filter-color, var(--portfolio-all));
  border-radius: 3px;
  transform: translateX(-50%);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-filter-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--filter-color, var(--portfolio-all));
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: 25px;
  z-index: -1;
}

.portfolio-filter-btn:hover,
.portfolio-filter-btn.active {
  color: #333;
}

.portfolio-filter-btn:hover::before,
.portfolio-filter-btn.active::before {
  width: 80%;
}

.portfolio-filter-btn.active::after {
  opacity: 0.1;
}

/* Category-specific filter colors */
.portfolio-filter-btn[data-filter="apps"] { --filter-color: var(--portfolio-apps); }
.portfolio-filter-btn[data-filter="ios"] { --filter-color: var(--portfolio-ios); }
.portfolio-filter-btn[data-filter="template"] { --filter-color: var(--portfolio-template); }
.portfolio-filter-btn[data-filter="wireframes"] { --filter-color: var(--portfolio-wireframes); }
.portfolio-filter-btn[data-filter="graphic"] { --filter-color: var(--portfolio-graphic); }
.portfolio-filter-btn[data-filter="ui-ux"] { --filter-color: var(--portfolio-ui-ux); }

/* ============================================
   PORTFOLIO GRID WITH SMOOTH ANIMATIONS
   ============================================ */

.page-portfolio .gridder {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  margin-top: 20px;
}

/* Grid item base with smooth filter transitions */
.page-portfolio .grid-item {
  position: relative;
  opacity: 1;
  transform: scale(1);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hidden state for filtered items */
.page-portfolio .grid-item.hidden {
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
}

/* Category color indicators */
.page-portfolio .grid-item::before {
  content: '';
  position: absolute;
  top: 15px;
  left: 15px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--category-color, var(--portfolio-apps));
  z-index: 10;
  box-shadow: 0 2px 8px var(--category-color, var(--portfolio-apps));
  opacity: 0;
  transform: scale(0);
  transition: all 0.3s ease 0.1s;
}

.page-portfolio .grid-item:hover::before {
  opacity: 1;
  transform: scale(1);
}

/* Category colors */
.page-portfolio .grid-item.apps { --category-color: var(--portfolio-apps); }
.page-portfolio .grid-item.ios { --category-color: var(--portfolio-ios); }
.page-portfolio .grid-item.template { --category-color: var(--portfolio-template); }
.page-portfolio .grid-item.wireframes { --category-color: var(--portfolio-wireframes); }
.page-portfolio .grid-item.graphic { --category-color: var(--portfolio-graphic); }
.page-portfolio .grid-item.ui-ux { --category-color: var(--portfolio-ui-ux); }

/* ============================================
   IMAGE ZOOM + OVERLAY ON HOVER
   ============================================ */

.page-portfolio .img-place {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: #1a1a2e;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.page-portfolio .img-place::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    transparent 40%,
    rgba(0, 0, 0, 0.8) 100%
  );
  z-index: 2;
  opacity: 0.7;
  transition: opacity 0.4s ease;
}

/* Gradient overlay enhancement on hover */
.page-portfolio .img-place:hover::before {
  opacity: 1;
  background: linear-gradient(
    180deg,
    rgba(239, 55, 36, 0.2) 0%,
    rgba(0, 0, 0, 0.3) 40%,
    rgba(0, 0, 0, 0.9) 100%
  );
}

/* Image zoom effect */
.page-portfolio .img-place img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-portfolio .img-place:hover img {
  transform: scale(1.15);
}

/* Card lift effect on hover */
.page-portfolio .img-place:hover {
  box-shadow:
    0 25px 50px rgba(239, 55, 36, 0.15),
    0 15px 30px rgba(0, 0, 0, 0.15);
  transform: translateY(-10px);
}

/* ============================================
   HOVER PARALLAX ON IMAGES
   ============================================ */

.page-portfolio .img-place.parallax-active {
  transform-style: preserve-3d;
  perspective: 1000px;
}

.page-portfolio .img-place.parallax-active img {
  transform-style: preserve-3d;
}

/* ============================================
   IMAGE CAPTION ENHANCEMENTS
   ============================================ */

.page-portfolio .img-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 25px;
  z-index: 5;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-portfolio .img-place:hover .img-caption {
  transform: translateY(0);
  opacity: 1;
}

.page-portfolio .img-caption h5 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 5px;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.page-portfolio .img-caption p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

/* View Project Icon */
.page-portfolio .img-place::after {
  content: '+';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60px;
  height: 60px;
  background: rgba(239, 55, 36, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 300;
  color: #fff;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 4;
}

.page-portfolio .img-place:hover::after {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

/* ============================================
   PROJECT CARD FLIP REVEAL (OPTIONAL)
   ============================================ */

.portfolio-card-flip {
  perspective: 1000px;
  height: 300px;
}

.portfolio-card-flip .card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}

.portfolio-card-flip:hover .card-inner {
  transform: rotateY(180deg);
}

.portfolio-card-flip .card-front,
.portfolio-card-flip .card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 20px;
  overflow: hidden;
}

.portfolio-card-flip .card-front {
  background: #fff;
}

.portfolio-card-flip .card-front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio-card-flip .card-back {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 25px;
  text-align: center;
}

.portfolio-card-flip .card-back h5 {
  color: #fff;
  font-weight: 700;
  margin-bottom: 10px;
}

.portfolio-card-flip .card-back p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.portfolio-card-flip .card-back .btn-view {
  padding: 10px 25px;
  background: linear-gradient(135deg, #ef3724, #ff6b5b);
  color: #fff;
  border: none;
  border-radius: 25px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.portfolio-card-flip .card-back .btn-view:hover {
  transform: scale(1.05);
  box-shadow: 0 5px 20px rgba(239, 55, 36, 0.4);
}

/* ============================================
   LAZY LOADING WITH BLUR-UP EFFECT
   ============================================ */

.page-portfolio .img-place.lazy-load {
  background: #f0f0f0;
}

.page-portfolio .img-place.lazy-load img {
  filter: blur(20px);
  transition: filter 0.5s ease, transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-portfolio .img-place.lazy-load.loaded img {
  filter: blur(0);
}

/* Low quality image placeholder */
.page-portfolio .img-place .img-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  filter: blur(20px);
  transform: scale(1.1);
  transition: opacity 0.5s ease;
  z-index: 1;
}

.page-portfolio .img-place.loaded .img-placeholder {
  opacity: 0;
}

/* ============================================
   PORTFOLIO SECTION REVEAL ANIMATIONS
   ============================================ */

.page-portfolio .grid-item {
  opacity: 0;
  transform: translateY(50px) scale(0.9);
}

.page-portfolio .grid-item.revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Staggered reveal delays */
.page-portfolio .grid-item:nth-child(1) { transition-delay: 0.1s; }
.page-portfolio .grid-item:nth-child(2) { transition-delay: 0.2s; }
.page-portfolio .grid-item:nth-child(3) { transition-delay: 0.3s; }
.page-portfolio .grid-item:nth-child(4) { transition-delay: 0.4s; }
.page-portfolio .grid-item:nth-child(5) { transition-delay: 0.5s; }
.page-portfolio .grid-item:nth-child(6) { transition-delay: 0.6s; }
.page-portfolio .grid-item:nth-child(7) { transition-delay: 0.7s; }
.page-portfolio .grid-item:nth-child(8) { transition-delay: 0.8s; }
.page-portfolio .grid-item:nth-child(9) { transition-delay: 0.9s; }

/* ============================================
   LOAD MORE BUTTON ENHANCEMENT
   ============================================ */

.page-portfolio .btn-theme {
  position: relative;
  overflow: hidden;
  padding: 12px 35px;
  font-weight: 600;
  border-radius: 30px;
  transition: all 0.3s ease;
}

.page-portfolio .btn-theme::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.page-portfolio .btn-theme:hover::before {
  left: 100%;
}

.page-portfolio .btn-theme:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(239, 55, 36, 0.3);
}

/* ============================================
   LIGHTBOX ENHANCEMENTS (GLightbox style)
   ============================================ */

/* Custom fancybox/lightbox overlay styling */
.fancybox-bg {
  background: rgba(10, 10, 20, 0.95) !important;
}

.fancybox-slide--image .fancybox-content {
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
}

.fancybox-caption {
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8)) !important;
  padding: 30px !important;
}

.fancybox-caption h5 {
  margin-bottom: 5px;
}

/* Navigation buttons */
.fancybox-button {
  background: rgba(239, 55, 36, 0.8) !important;
  border-radius: 50% !important;
  width: 50px !important;
  height: 50px !important;
  transition: all 0.3s ease !important;
}

.fancybox-button:hover {
  background: rgba(239, 55, 36, 1) !important;
  transform: scale(1.1);
}

/* ============================================
   RESPONSIVE PORTFOLIO GRID
   ============================================ */

@media (max-width: 1199.98px) {
  .page-portfolio .gridder {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

@media (max-width: 991.98px) {
  .page-portfolio .gridder {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .portfolio-filters {
    gap: 5px;
  }

  .portfolio-filter-btn {
    padding: 8px 18px;
    font-size: 0.85rem;
  }
}

@media (max-width: 767.98px) {
  .page-portfolio .gridder {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .page-portfolio .img-place::after {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }

  .page-portfolio .img-caption {
    padding: 20px;
  }

  .page-portfolio .img-caption h5 {
    font-size: 1.1rem;
  }

  .portfolio-card-flip {
    height: 250px;
  }
}

@media (max-width: 575.98px) {
  .portfolio-filters {
    flex-direction: column;
    align-items: center;
  }

  .portfolio-filter-btn {
    width: 100%;
    max-width: 200px;
    text-align: center;
  }

  .page-portfolio .grid-item::before {
    top: 10px;
    left: 10px;
    width: 6px;
    height: 6px;
  }
}

/* Print styles for portfolio */
@media print {
  .page-portfolio .grid-item {
    opacity: 1;
    transform: none;
  }

  .page-portfolio .img-place::before,
  .page-portfolio .img-place::after {
    display: none;
  }

  .page-portfolio .img-caption {
    opacity: 1;
    transform: none;
    position: relative;
    background: #f8f9fa;
    color: #333;
  }

  .page-portfolio .img-caption h5,
  .page-portfolio .img-caption p {
    color: #333;
  }
}