/* ============================================================
   NOVEX - Premium Projects Explorer
   ============================================================ */

.portfolio-hero {
  min-height: 58vh;
  display: flex;
  align-items: end;
  padding: calc(var(--navbar-h) + 92px) 0 86px;
  overflow: hidden;
}

.portfolio-hero::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 20px;
  width: min(920px, 86vw);
  height: 280px;
  transform: translateX(-50%);
  background:
    radial-gradient(ellipse at 30% 70%, rgba(255,255,255,0.34), transparent 58%),
    radial-gradient(ellipse at 72% 30%, rgba(var(--primary-rgb),0.22), transparent 54%);
  filter: blur(10px);
  pointer-events: none;
}

body.dark-mode .portfolio-hero::before {
  background:
    radial-gradient(ellipse at 30% 70%, rgba(var(--primary-rgb),0.13), transparent 58%),
    radial-gradient(ellipse at 72% 30%, rgba(255,255,255,0.06), transparent 54%);
}

.portfolio-hero-inner {
  text-align: center;
}

.portfolio-kicker,
.portfolio-section-label {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--card-border);
  background: var(--card);
  border-radius: var(--radius-full);
  color: var(--muted);
  font-family: var(--font-display);
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.17em;
  line-height: 1;
  padding: 8px 16px;
  text-transform: uppercase;
  backdrop-filter: blur(18px);
}

.portfolio-hero h1 {
  color: var(--foreground);
  font-size: clamp(4rem, 13vw, 10rem);
  font-weight: 900;
  letter-spacing: 0;
  line-height: 0.9;
  margin: 18px 0 22px;
  text-transform: uppercase;
  text-shadow: 0 18px 70px rgba(4,17,26,0.16);
}

body.dark-mode .portfolio-hero h1 {
  background: linear-gradient(135deg, #fff 0%, rgba(var(--primary-rgb),0.76) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.portfolio-hero p {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.8;
  margin: 0 auto;
  max-width: 680px;
}

.portfolio-shell {
  padding-top: 38px;
}

.portfolio-topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.portfolio-topbar h2 {
  margin-top: 14px;
}

.portfolio-back {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-full);
  background: var(--card);
  color: var(--foreground);
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 800;
  padding: 11px 18px;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.portfolio-back:hover {
  transform: translateY(-2px);
  border-color: var(--card-hover-border);
  background: var(--surface-light);
}

.portfolio-breadcrumb {
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 42px;
  min-height: 22px;
}

.portfolio-breadcrumb button,
.portfolio-breadcrumb span {
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0;
}

.portfolio-breadcrumb button:hover {
  color: var(--foreground);
}

.portfolio-breadcrumb .is-current {
  color: var(--foreground);
}

.portfolio-stage {
  min-height: 360px;
  perspective: 1300px;
}

.folder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 74px 34px;
  justify-items: center;
  padding: 30px 0 52px;
}

.folder-button {
  appearance: none;
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  height: 250px;
  max-width: 340px;
  padding: 0;
  perspective: 900px;
  position: relative;
  text-align: left;
  width: 100%;
}

.folder-model {
  bottom: 0;
  height: 206px;
  left: 50%;
  position: absolute;
  transform: translateX(-50%) rotateX(7deg) rotateY(-8deg);
  transform-style: preserve-3d;
  transition: transform 520ms cubic-bezier(0.19, 1, 0.22, 1);
  width: min(312px, 88vw);
}

.folder-button:hover .folder-model,
.folder-button:focus-visible .folder-model {
  transform: translateX(-50%) translateY(-14px) rotateX(3deg) rotateY(8deg);
}

.folder-shadow {
  background: radial-gradient(ellipse, rgba(4,17,26,0.28), transparent 67%);
  bottom: -22px;
  filter: blur(6px);
  height: 42px;
  left: 9%;
  opacity: 0.72;
  position: absolute;
  transform: rotateX(70deg);
  transition: opacity 400ms ease, transform 400ms ease;
  width: 82%;
}

.folder-button:hover .folder-shadow,
.folder-button:focus-visible .folder-shadow {
  opacity: 0.9;
  transform: rotateX(70deg) scale(1.08);
}

.folder-paper,
.folder-paper-side {
  background: linear-gradient(145deg, rgba(255,255,255,0.98), rgba(216,236,242,0.92));
  border: 1px solid rgba(255,255,255,0.75);
  border-radius: 16px;
  box-shadow: 0 18px 32px rgba(4,17,26,0.14);
  position: absolute;
  transform-origin: bottom center;
  transition: transform 520ms cubic-bezier(0.19, 1, 0.22, 1);
}

.folder-paper {
  bottom: 78px;
  height: 120px;
  left: 72px;
  transform: translateZ(-22px) rotate(-2deg);
  width: 170px;
}

.folder-paper-side {
  bottom: 48px;
  height: 132px;
  opacity: 0.78;
  width: 96px;
}

.folder-paper-side.left {
  left: 28px;
  transform: translateZ(-30px) rotate(-14deg);
}

.folder-paper-side.right {
  right: 32px;
  transform: translateZ(-32px) rotate(14deg);
}

.folder-button:hover .folder-paper,
.folder-button:focus-visible .folder-paper {
  transform: translateY(-34px) translateZ(-18px) rotate(2deg);
}

.folder-button:hover .folder-paper-side.left,
.folder-button:focus-visible .folder-paper-side.left {
  transform: translateX(-26px) translateY(-14px) translateZ(-24px) rotate(-28deg);
}

.folder-button:hover .folder-paper-side.right,
.folder-button:focus-visible .folder-paper-side.right {
  transform: translateX(26px) translateY(-14px) translateZ(-24px) rotate(28deg);
}

.folder-back,
.folder-front {
  border-radius: 24px;
  inset: auto 0 0;
  position: absolute;
}

.folder-back {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.30), transparent 45%),
    linear-gradient(145deg, var(--folder-a), var(--folder-b));
  bottom: 26px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.42),
    0 26px 58px rgba(4,17,26,0.22);
  height: 128px;
  transform: translateZ(-42px) rotateX(-7deg);
}

.folder-back::before {
  background: linear-gradient(135deg, var(--folder-tab), var(--folder-a));
  border-radius: 18px 18px 8px 8px;
  content: "";
  height: 44px;
  left: 22px;
  position: absolute;
  top: -28px;
  width: 118px;
}

.folder-front {
  background:
    linear-gradient(150deg, rgba(255,255,255,0.42), rgba(255,255,255,0.08) 42%, transparent 70%),
    radial-gradient(circle at 18% 18%, rgba(255,255,255,0.34), transparent 36%),
    linear-gradient(145deg, var(--folder-b), var(--folder-a));
  border: 1px solid rgba(255,255,255,0.32);
  bottom: 0;
  box-shadow:
    0 34px 78px rgba(4,17,26,0.24),
    inset 0 1.5px 0 rgba(255,255,255,0.42),
    inset 0 -32px 48px rgba(0,0,0,0.12);
  height: 150px;
  overflow: hidden;
  transform: translateZ(28px);
}

.folder-front::before {
  background: linear-gradient(110deg, transparent, rgba(255,255,255,0.38), transparent);
  content: "";
  height: 170%;
  left: -110%;
  position: absolute;
  top: -38%;
  transform: rotate(12deg);
  transition: left 720ms cubic-bezier(0.19, 1, 0.22, 1);
  width: 48%;
}

.folder-button:hover .folder-front::before,
.folder-button:focus-visible .folder-front::before {
  left: 122%;
}

.folder-button.is-opening .folder-front {
  animation: folderOpen 540ms cubic-bezier(0.16, 1, 0.3, 1);
}

.folder-name {
  bottom: 38px;
  color: rgba(255,255,255,0.97);
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-style: italic;
  font-weight: 900;
  left: 24px;
  line-height: 1;
  position: absolute;
  text-shadow: 0 3px 22px rgba(0,0,0,0.24);
  z-index: 2;
}

.folder-meta {
  bottom: 18px;
  color: rgba(255,255,255,0.68);
  font-size: 0.62rem;
  font-weight: 900;
  left: 26px;
  letter-spacing: 0.15em;
  position: absolute;
  text-transform: uppercase;
  z-index: 2;
}

.folder-glow {
  background: radial-gradient(circle, rgba(255,255,255,0.32), transparent 66%);
  height: 96px;
  position: absolute;
  right: -20px;
  top: -18px;
  width: 120px;
}

@keyframes folderOpen {
  0% { transform: translateZ(28px) rotateX(0deg); }
  55% { transform: translateZ(44px) rotateX(-18deg) translateY(8px); }
  100% { transform: translateZ(28px) rotateX(0deg); }
}

.portfolio-panel {
  animation: panelIn 440ms cubic-bezier(0.19, 1, 0.22, 1);
}

@keyframes panelIn {
  from { opacity: 0; transform: translateY(28px) scale(0.985); }
  to { opacity: 1; transform: none; }
}

.portfolio-empty {
  border: 1px dashed var(--card-border);
  border-radius: 18px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 52px 20px;
  text-align: center;
}

.video-grid,
.image-grid {
  display: grid;
  gap: 18px;
}

.video-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.image-grid {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.portfolio-video-card,
.portfolio-image-card {
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: var(--card);
  box-shadow: var(--shadow);
  cursor: pointer;
  overflow: hidden;
  position: relative;
  transition: transform 240ms ease, border-color 240ms ease, box-shadow 240ms ease;
}

.portfolio-video-card:hover,
.portfolio-image-card:hover {
  border-color: var(--card-hover-border);
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.portfolio-video-card {
  min-height: 340px;
}

.portfolio-video-media {
  aspect-ratio: 9 / 16;
  background: linear-gradient(135deg, rgba(4,17,26,0.9), rgba(var(--primary-rgb),0.42));
  position: relative;
}

.portfolio-video-card.is-wide .portfolio-video-media {
  aspect-ratio: 16 / 9;
}

.portfolio-video-media img,
.portfolio-image-card img,
.portfolio-image-card video {
  display: block;
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.portfolio-video-media img {
  opacity: 0;
  transition: opacity 320ms ease;
}

.portfolio-video-media img.is-loaded {
  opacity: 1;
}

.portfolio-play {
  align-items: center;
  background: rgba(0,0,0,0.26);
  color: #04111a;
  display: flex;
  inset: 0;
  justify-content: center;
  position: absolute;
}

.portfolio-play span {
  align-items: center;
  background: rgba(255,255,255,0.94);
  border-radius: 50%;
  box-shadow: 0 10px 28px rgba(0,0,0,0.3);
  display: flex;
  font-size: 1.4rem;
  height: 58px;
  justify-content: center;
  padding-left: 4px;
  width: 58px;
}

.portfolio-video-copy {
  padding: 14px 16px 16px;
}

.portfolio-video-copy h3 {
  font-size: 0.96rem;
  letter-spacing: 0;
  margin-bottom: 4px;
}

.portfolio-video-copy p {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.portfolio-image-card {
  aspect-ratio: 16 / 10;
}

.portfolio-image-card::after {
  background: linear-gradient(to top, rgba(0,0,0,0.54), transparent 55%);
  content: "";
  inset: 0;
  opacity: 0;
  position: absolute;
  transition: opacity 220ms ease;
}

.portfolio-image-card:hover::after {
  opacity: 1;
}

.portfolio-image-label {
  bottom: 12px;
  color: #fff;
  font-size: 0.76rem;
  font-weight: 900;
  left: 14px;
  opacity: 0;
  position: absolute;
  right: 14px;
  text-shadow: 0 2px 14px rgba(0,0,0,0.5);
  transform: translateY(8px);
  transition: opacity 220ms ease, transform 220ms ease;
  z-index: 2;
}

.portfolio-image-card:hover .portfolio-image-label {
  opacity: 1;
  transform: translateY(0);
}

.media-lightbox,
.yt-modal {
  align-items: center;
  background: rgba(0,0,0,0.9);
  inset: 0;
  justify-content: center;
  padding: 18px;
  position: fixed;
  z-index: 99999;
}

.media-lightbox:not([hidden]) {
  display: flex;
}

.media-lightbox img {
  border-radius: 8px;
  box-shadow: 0 36px 110px rgba(0,0,0,0.72);
  max-height: 88vh;
  max-width: min(1120px, 94vw);
  object-fit: contain;
}

.media-lightbox video {
  border-radius: 8px;
  box-shadow: 0 36px 110px rgba(0,0,0,0.72);
  max-height: 88vh;
  max-width: min(1120px, 94vw);
}

.media-lightbox-close,
#yt-x {
  align-items: center;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  display: flex;
  font-size: 1.35rem;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.media-lightbox-close {
  position: fixed;
  right: 22px;
  top: 22px;
}

.yt-modal-bg {
  inset: 0;
  position: absolute;
}

.yt-modal-box {
  background: #090b0d;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  box-shadow: 0 36px 110px rgba(0,0,0,0.72);
  max-width: 980px;
  overflow: hidden;
  position: relative;
  width: 100%;
  z-index: 2;
}

.yt-modal-head {
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  color: #fff;
  display: flex;
  font-weight: 900;
  justify-content: space-between;
  padding: 12px 14px 12px 18px;
}

.yt-modal-frame {
  aspect-ratio: 16 / 9;
  background: #000;
  position: relative;
}

.yt-modal-frame iframe {
  height: 100%;
  inset: 0;
  position: absolute;
  width: 100%;
}

@media (max-width: 768px) {
  .portfolio-hero {
    min-height: 52vh;
    padding-bottom: 58px;
  }

  .portfolio-topbar {
    align-items: start;
    flex-direction: column;
  }

  .folder-grid {
    grid-template-columns: 1fr;
    gap: 58px;
  }

  .folder-button {
    height: 226px;
  }

  .folder-model {
    transform: translateX(-50%) rotateX(5deg);
    width: min(292px, 86vw);
  }

  .video-grid,
  .image-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-video-card {
    min-height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .folder-model,
  .folder-paper,
  .folder-paper-side,
  .portfolio-panel,
  .portfolio-video-card,
  .portfolio-image-card {
    animation: none !important;
    transition: none !important;
  }
}