/* ============================================
   R-LINE MAATWERK — WOW Features
   Cinematic scroll animations & reveal effects
   ============================================ */

/* --- Scroll Progress Bar --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
  z-index: 999;
  transition: width 50ms linear;
}

/* --- Before/After Scroll Reveal --- */
.reveal-compare {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 16 / 9;
}

.reveal-compare .reveal-before,
.reveal-compare .reveal-after {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.reveal-compare .reveal-before {
  z-index: 1;
}

.reveal-compare .reveal-after {
  z-index: 2;
  clip-path: inset(0 100% 0 0);
  transition: clip-path 0.05s linear;
}

.reveal-compare .reveal-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-accent);
  z-index: 3;
  left: 0%;
  transition: left 0.05s linear;
  box-shadow: 0 0 12px rgba(232, 133, 12, 0.5), 0 0 24px rgba(232, 133, 12, 0.2);
}

.reveal-compare .reveal-line::before,
.reveal-compare .reveal-line::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 8px rgba(232, 133, 12, 0.4);
}

.reveal-compare .reveal-line::before {
  top: 50%;
  transform: translate(-50%, -50%);
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  border: 3px solid var(--color-white);
}

.reveal-compare .reveal-line::after {
  top: 50%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  border-radius: 0;
  background: transparent;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 6px solid var(--color-white);
  box-shadow: none;
}

.reveal-compare-labels {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-md);
}

.reveal-compare-labels span {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-grey);
}

/* --- Staggered Fade-in for Grid Children --- */
.stagger-fade > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.stagger-fade.visible > *:nth-child(1) { transition-delay: 0ms; }
.stagger-fade.visible > *:nth-child(2) { transition-delay: 100ms; }
.stagger-fade.visible > *:nth-child(3) { transition-delay: 200ms; }
.stagger-fade.visible > *:nth-child(4) { transition-delay: 300ms; }
.stagger-fade.visible > *:nth-child(5) { transition-delay: 400ms; }
.stagger-fade.visible > *:nth-child(6) { transition-delay: 500ms; }
.stagger-fade.visible > *:nth-child(7) { transition-delay: 600ms; }
.stagger-fade.visible > *:nth-child(8) { transition-delay: 700ms; }

.stagger-fade.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* --- Hero Cinematic Entrance --- */
.hero-cinematic .label {
  opacity: 0;
  transform: translateY(20px);
  filter: blur(4px);
  animation: heroEntrance 0.8s ease forwards;
  animation-delay: 0.2s;
}

.hero-cinematic h1 {
  opacity: 0;
  transform: translateY(30px);
  filter: blur(6px);
  animation: heroEntrance 0.9s ease forwards;
  animation-delay: 0.5s;
}

.hero-cinematic p {
  opacity: 0;
  transform: translateY(20px);
  filter: blur(4px);
  animation: heroEntrance 0.8s ease forwards;
  animation-delay: 0.9s;
}

.hero-cinematic .cta-buttons {
  opacity: 0;
  transform: translateY(20px);
  filter: blur(4px);
  animation: heroEntrance 0.8s ease forwards;
  animation-delay: 1.2s;
}

@keyframes heroEntrance {
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

/* --- Ken Burns Subtle Zoom on Hero Backgrounds --- */
.ken-burns .hero-bg img {
  animation: kenBurns 20s ease-in-out infinite alternate;
  transform-origin: center center;
}

@keyframes kenBurns {
  0% {
    transform: scale(1) translate(0, 0);
  }
  100% {
    transform: scale(1.08) translate(-1%, -1%);
  }
}

/* --- Gold Line Decorators Under Section Headings --- */
.gold-line-heading {
  position: relative;
  padding-bottom: var(--space-lg);
}

.gold-line-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
  border-radius: 2px;
}

.gold-line-heading.text-center::after {
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

/* --- Card Hover Image Zoom + Brightness --- */
.card-hover-zoom {
  overflow: hidden;
}

.card-hover-zoom img {
  transition: transform 0.6s ease, filter 0.6s ease;
}

.card-hover-zoom:hover img {
  transform: scale(1.08);
  filter: brightness(1.1);
}

/* --- Scroll Story: Section Styles --- */
.story-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.story-section-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.story-section-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.1s linear;
}

.story-section-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.story-section-content {
  position: relative;
  z-index: 2;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  width: 100%;
}

/* Story text animations */
.story-fade {
  opacity: 0;
  transform: translateY(40px);
  filter: blur(8px);
  transition: opacity 0.8s ease, transform 0.8s ease, filter 0.8s ease;
}

.story-fade.visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.story-slide-left {
  opacity: 0;
  transform: translateX(-60px);
  filter: blur(6px);
  transition: opacity 0.8s ease, transform 0.8s ease, filter 0.8s ease;
}

.story-slide-left.visible {
  opacity: 1;
  transform: translateX(0);
  filter: blur(0);
}

.story-slide-right {
  opacity: 0;
  transform: translateX(60px);
  filter: blur(6px);
  transition: opacity 0.8s ease, transform 0.8s ease, filter 0.8s ease;
}

.story-slide-right.visible {
  opacity: 1;
  transform: translateX(0);
  filter: blur(0);
}

.story-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.story-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* --- Progress Dots Navigation --- */
.story-progress {
  position: fixed;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: var(--z-sticky);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.story-progress-line {
  width: 2px;
  height: 100%;
  background: var(--color-graphite);
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 0;
}

.story-progress-fill {
  width: 2px;
  background: var(--color-accent);
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  height: 0%;
  transition: height 0.3s ease;
  box-shadow: 0 0 8px rgba(232, 133, 12, 0.3);
}

.story-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--color-graphite);
  background: var(--color-black);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  z-index: 2;
  margin: 18px 0;
}

.story-dot:first-child {
  margin-top: 0;
}

.story-dot:last-child {
  margin-bottom: 0;
}

.story-dot.active {
  border-color: var(--color-accent);
  background: var(--color-accent);
  box-shadow: 0 0 12px rgba(232, 133, 12, 0.4);
  transform: scale(1.2);
}

.story-dot-label {
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-grey);
  opacity: 0;
  transition: opacity 0.3s ease, color 0.3s ease;
  pointer-events: none;
}

.story-dot:hover .story-dot-label,
.story-dot.active .story-dot-label {
  opacity: 1;
}

.story-dot.active .story-dot-label {
  color: var(--color-accent);
}

/* --- Parallax Image Wrapper --- */
.parallax-img {
  overflow: hidden;
  border-radius: var(--radius-md);
}

.parallax-img img {
  transform: scale(1.15);
  transition: transform 0.1s linear;
}

/* --- Dramatic Zoom Reveal --- */
.zoom-reveal {
  overflow: hidden;
  border-radius: var(--radius-md);
}

.zoom-reveal img {
  transform: scale(1.3);
  opacity: 0;
  transition: transform 1.2s ease, opacity 0.8s ease;
}

.zoom-reveal.visible img {
  transform: scale(1);
  opacity: 1;
}

/* --- Story Section Specific Overlays --- */
.overlay-dark {
  background: linear-gradient(135deg,
    rgba(10, 10, 10, 0.88) 0%,
    rgba(10, 10, 10, 0.65) 50%,
    rgba(10, 10, 10, 0.45) 100%);
}

.overlay-moody {
  background: linear-gradient(180deg,
    rgba(10, 10, 10, 0.7) 0%,
    rgba(10, 10, 10, 0.4) 30%,
    rgba(10, 10, 10, 0.6) 70%,
    rgba(10, 10, 10, 0.9) 100%);
}

.overlay-bottom {
  background: linear-gradient(0deg,
    rgba(10, 10, 10, 0.95) 0%,
    rgba(10, 10, 10, 0.3) 50%,
    rgba(10, 10, 10, 0.1) 100%);
}

.overlay-split-left {
  background: linear-gradient(90deg,
    rgba(10, 10, 10, 0.9) 0%,
    rgba(10, 10, 10, 0.7) 40%,
    rgba(10, 10, 10, 0.2) 100%);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .story-progress {
    right: 0.75rem;
  }

  .story-dot {
    width: 10px;
    height: 10px;
    margin: 12px 0;
  }

  .story-dot-label {
    display: none;
  }

  .story-section {
    min-height: 85vh;
  }

  .reveal-compare {
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 480px) {
  .story-progress {
    right: 0.5rem;
  }

  .story-dot {
    width: 8px;
    height: 8px;
    margin: 10px 0;
  }
}


/* ============================================
   PORTFOLIO PAGE — AI Project Explorer
   ============================================ */

/* --- Page Hero (compact) --- */
.page-hero {
  position: relative;
  padding: 160px 0 80px;
  background: linear-gradient(135deg, var(--color-black) 0%, var(--color-dark) 100%);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232,133,12,0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero h1 {
  margin-bottom: var(--space-md);
}

.page-hero p {
  color: var(--color-grey);
  font-size: var(--fs-lg);
  max-width: 600px;
}

/* --- Filter Bar --- */
.filter-bar {
  position: sticky;
  top: 72px;
  z-index: var(--z-dropdown);
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-graphite);
  padding: var(--space-md) 0;
  transition: box-shadow var(--transition-base);
}

.filter-bar.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.filter-bar-inner {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.filter-group-label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-grey);
  margin-right: var(--space-xs);
  white-space: nowrap;
}

.filter-btn {
  padding: 6px 16px;
  border-radius: 20px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--color-light-grey);
  background: var(--color-charcoal);
  border: 1px solid var(--color-graphite);
  transition: all var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-btn.active {
  background: var(--color-accent);
  color: var(--color-black);
  border-color: var(--color-accent);
  font-weight: var(--fw-semibold);
}

.filter-count {
  margin-left: auto;
  font-size: var(--fs-sm);
  color: var(--color-grey);
  white-space: nowrap;
}

.filter-count strong {
  color: var(--color-accent);
  font-weight: var(--fw-bold);
}

/* --- Project Grid (Masonry) --- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  align-items: start;
}

.project-card:nth-child(3n+1) .project-card-img { aspect-ratio: 4/3; }
.project-card:nth-child(3n+2) .project-card-img { aspect-ratio: 3/4; }
.project-card:nth-child(3n+3) .project-card-img { aspect-ratio: 16/10; }

.project-card {
  background: var(--color-charcoal);
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1),
              border-color var(--transition-base),
              box-shadow var(--transition-base),
              opacity 0.4s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), var(--shadow-glow);
}

.project-card-img {
  width: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card:hover .project-card-img {
  transform: scale(1.05);
}

.project-card-img-wrap {
  overflow: hidden;
  position: relative;
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(10,10,10,0.9) 100%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: var(--space-xl);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.project-card:hover .project-card-overlay {
  opacity: 1;
}

.project-card-overlay .btn {
  transform: translateY(10px);
  transition: transform 0.4s ease, background var(--transition-fast);
}

.project-card:hover .project-card-overlay .btn {
  transform: translateY(0);
}

.project-card-body {
  padding: var(--space-lg);
}

.project-card-tags {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.project-card-tags .tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-sm);
}

.tag-category {
  background: rgba(232,133,12,0.12);
  color: var(--color-accent);
}

.tag-budget {
  background: rgba(255,255,255,0.06);
  color: var(--color-light-grey);
}

.project-card-body h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-xs);
}

.project-card-body p {
  color: var(--color-grey);
  font-size: var(--fs-sm);
  margin-bottom: 0;
  line-height: 1.5;
}

/* Filter animation states */
.project-card.hiding {
  opacity: 0;
  transform: scale(0.9);
  pointer-events: none;
}

.project-card.hidden-card {
  display: none;
}

.project-card.showing {
  opacity: 0;
  transform: scale(0.95);
}

/* No results */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-4xl) var(--space-xl);
  color: var(--color-grey);
}

.no-results h3 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-md);
  color: var(--color-light-grey);
}

.no-results p {
  font-size: var(--fs-md);
}


/* ============================================
   MATERIALS SHOWCASE
   ============================================ */

.materials-section {
  background: var(--color-dark);
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.material-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  height: 280px;
  perspective: 800px;
}

.material-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}

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

.material-card-front,
.material-card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-graphite);
}

.material-card-front {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-xl);
  text-align: center;
  background: var(--color-charcoal);
}

.material-swatch {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.1);
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.material-card:hover .material-swatch {
  border-color: var(--color-accent);
}

.material-card-front h4 {
  font-size: var(--fs-md);
  color: var(--color-white);
}

.material-card-front .material-hint {
  font-size: var(--fs-xs);
  color: var(--color-grey);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.material-card-back {
  transform: rotateY(180deg);
  background: var(--color-charcoal);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.material-card-back .material-swatch-lg {
  width: 100%;
  height: 60px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  flex-shrink: 0;
}

.material-card-back h4 {
  font-size: var(--fs-md);
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.material-card-back p {
  font-size: var(--fs-sm);
  color: var(--color-light-grey);
  margin-bottom: var(--space-sm);
}

.material-card-back ul {
  margin-bottom: var(--space-sm);
}

.material-card-back ul li {
  font-size: var(--fs-xs);
  color: var(--color-light-grey);
  padding: 2px 0;
  padding-left: 14px;
  position: relative;
}

.material-card-back ul li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: var(--fw-bold);
}

.material-card-back .material-used {
  margin-top: auto;
  font-size: var(--fs-xs);
  color: var(--color-grey);
  border-top: 1px solid var(--color-graphite);
  padding-top: var(--space-sm);
}

.material-card-back .material-used strong {
  color: var(--color-accent);
}

/* Material Swatch CSS Gradients */
.swatch-eikenhout {
  background: linear-gradient(135deg, #8B6914 0%, #A0782C 30%, #6B4F0A 50%, #A0782C 70%, #8B6914 100%);
  position: relative;
}

.swatch-eikenhout::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 3px,
    rgba(0,0,0,0.08) 3px,
    rgba(0,0,0,0.08) 4px
  );
}

.swatch-multiplex {
  background: linear-gradient(135deg, #D4C4A0 0%, #E8D8B4 30%, #C4B490 50%, #E0D0A8 70%, #D4C4A0 100%);
  position: relative;
}

.swatch-multiplex::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: repeating-linear-gradient(
    80deg,
    transparent,
    transparent 5px,
    rgba(0,0,0,0.04) 5px,
    rgba(0,0,0,0.04) 6px
  );
}

.swatch-aluminium {
  background: linear-gradient(135deg, #B8C0C8 0%, #D8DDE2 25%, #8A9298 50%, #C8CED4 75%, #B8C0C8 100%);
}

.swatch-kunstleer {
  background: linear-gradient(135deg, #1A1A1A 0%, #2D2D2D 30%, #1A1A1A 60%, #333333 100%);
  position: relative;
}

.swatch-kunstleer::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: repeating-conic-gradient(
    rgba(255,255,255,0.02) 0% 25%,
    transparent 0% 50%
  );
  background-size: 4px 4px;
}

.swatch-alcantara {
  background: linear-gradient(135deg, #2C2C2C 0%, #3D3D3D 50%, #282828 100%);
  position: relative;
}

.swatch-alcantara::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: url("data:image/svg+xml,%3Csvg width='4' height='4' viewBox='0 0 4 4' xmlns='http://www.w3.org/2000/svg'%3E%3Crect width='1' height='1' fill='rgba(255,255,255,0.03)'/%3E%3C/svg%3E");
}

.swatch-composiet {
  background: linear-gradient(135deg, #E8E8E8 0%, #F2F2F2 30%, #D8D8D8 60%, #EEEEEE 100%);
}

.swatch-armaflex {
  background: linear-gradient(135deg, #1A1A2E 0%, #16213E 50%, #0F3460 100%);
}

.swatch-led {
  background: linear-gradient(135deg, #0D0D0D 0%, #1A1A1A 40%, #0D0D0D 100%);
  position: relative;
  overflow: hidden;
}

.swatch-led::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 50% 50%, rgba(232,133,12,0.4) 0%, transparent 60%);
  animation: led-pulse 2s ease-in-out infinite;
}

@keyframes led-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}


/* ============================================
   FLOATING PROJECT CAROUSEL
   ============================================ */

.carousel-section {
  overflow: hidden;
  border-top: 1px solid var(--color-graphite);
}

.carousel-wrapper {
  position: relative;
  margin-top: var(--space-2xl);
}

.carousel-track-container {
  overflow: hidden;
  cursor: grab;
  -webkit-user-select: none;
  user-select: none;
}

.carousel-track-container:active {
  cursor: grabbing;
}

.carousel-track {
  display: flex;
  gap: var(--space-lg);
  will-change: transform;
}

.carousel-card {
  flex-shrink: 0;
  width: 340px;
  background: var(--color-charcoal);
  border: 1px solid var(--color-graphite);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.carousel-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
}

.carousel-card-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
}

.carousel-card-body {
  padding: var(--space-md) var(--space-lg);
}

.carousel-card-body h4 {
  font-size: var(--fs-md);
  margin-bottom: var(--space-xs);
}

.carousel-card-body .tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-sm);
  background: rgba(232,133,12,0.12);
  color: var(--color-accent);
}

/* Carousel fade edges */
.carousel-wrapper::before,
.carousel-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}

.carousel-wrapper::before {
  left: 0;
  background: linear-gradient(90deg, var(--color-black), transparent);
}

.carousel-wrapper::after {
  right: 0;
  background: linear-gradient(-90deg, var(--color-black), transparent);
}


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

@media (max-width: 1200px) {
  .materials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .project-card:nth-child(3n+2) .project-card-img {
    aspect-ratio: 16/10;
  }

  .materials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .filter-bar-inner {
    gap: var(--space-md);
  }

  .carousel-card {
    width: 300px;
  }
}

@media (max-width: 768px) {
  .page-hero {
    padding: 120px 0 60px;
  }

  .filter-bar-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .filter-group {
    flex-wrap: wrap;
  }

  .filter-count {
    margin-left: 0;
    width: 100%;
    text-align: center;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-graphite);
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  .project-card:nth-child(n) .project-card-img {
    aspect-ratio: 16/10;
  }

  .materials-grid {
    grid-template-columns: 1fr 1fr;
  }

  .material-card {
    height: 240px;
  }

  .carousel-card {
    width: 280px;
  }
}

@media (max-width: 480px) {
  .materials-grid {
    grid-template-columns: 1fr;
  }

  .material-card {
    height: 220px;
  }

  .carousel-card {
    width: 260px;
  }

  .filter-btn {
    padding: 5px 12px;
    font-size: 0.65rem;
  }
}