:root {
  --bg: #111314;
  --bg-elev: #1a1d1f;
  --fog: #f4f1ec;
  --muted: #9a9690;
  --line: rgba(244, 241, 236, 0.1);
  --accent: #e8dfd0;
  --accent-hot: #f0ebe3;
  --font-display: "Syne", "Noto Sans TC", sans-serif;
  --font-body: "Noto Sans TC", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--fog);
  font-family: var(--font-body);
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(232, 223, 208, 0.08), transparent 55%),
    var(--bg);
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 40;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* —— Compact top bar —— */
.top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.25rem;
  background: rgba(17, 19, 20, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.top__left {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  min-width: 0;
}

.logo {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--fog);
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
  cursor: default;
}

.lang-toggle {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  flex-shrink: 0;
  width: 9.5rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  background: var(--bg-elev);
}

.lang-toggle__pill {
  position: absolute;
  top: 0.25rem;
  left: 0.25rem;
  width: calc(50% - 0.25rem);
  height: calc(100% - 0.5rem);
  background: var(--accent);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 0;
}

.lang-toggle.is-en .lang-toggle__pill {
  transform: translateX(100%);
}

.lang-toggle__btn {
  position: relative;
  z-index: 1;
  appearance: none;
  border: 0;
  margin: 0;
  padding: 0.55rem 0.4rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  transition: color 0.2s ease;
}

.lang-toggle__btn.is-active {
  color: var(--bg);
}

/* —— Gallery first —— */
.gallery {
  padding: 1.25rem 1.25rem 3.5rem;
  max-width: 1280px;
  margin: 0 auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
}

@media (min-width: 768px) {
  .grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.15rem;
  }
}

@media (min-width: 1100px) {
  .grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.ad {
  --rx: 0deg;
  --ry: 0deg;
  display: block;
  width: 100%;
  color: inherit;
  text-align: left;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
  perspective: 800px;
}

.ad.is-in {
  opacity: 1;
  transform: translateY(0);
}

.ad__tilt {
  transform: rotateX(var(--rx)) rotateY(var(--ry));
  transform-style: preserve-3d;
  transition: transform 0.18s ease-out;
}

.ad__media {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  margin: 0;
  aspect-ratio: 9 / 16;
  overflow: hidden;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.ad__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.5s ease, filter 0.35s ease;
  filter: saturate(0.98);
}

.ad:hover .ad__media img {
  transform: scale(1.04);
  filter: saturate(1.05);
}

.ad__play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: linear-gradient(to top, rgba(17, 19, 20, 0.65), transparent 48%);
  opacity: 0.85;
  transition: opacity 0.25s ease;
}

.ad:hover .ad__play {
  opacity: 1;
}

.ad__play span {
  min-width: 3.4rem;
  height: 3.4rem;
  padding: 0 0.65rem;
  border-radius: 999px;
  background: var(--fog);
  color: var(--bg);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: transform 0.25s ease, background 0.25s ease;
}

.ad:hover .ad__play span {
  transform: scale(1.06);
  background: var(--accent-hot);
}

.ad__name {
  margin: 0.65rem 0 0;
  font-size: 0.86rem;
  font-weight: 500;
  line-height: 1.4;
  transition: color 0.2s ease;
}

.ad:hover .ad__name {
  color: var(--accent-hot);
}

.ad__foot {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.ad__meta {
  margin: 0;
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ad__shop {
  flex-shrink: 0;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.ad__shop:hover {
  color: var(--accent-hot);
  border-bottom-color: var(--accent-hot);
}

.footer {
  padding: 1.5rem 1.25rem 2.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

/* —— Lightbox —— */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgba(10, 11, 12, 0.92);
  backdrop-filter: blur(12px);
}

.lightbox[hidden] {
  display: none;
}

.lightbox__close {
  position: absolute;
  top: 0.85rem;
  right: 1rem;
  border: 1px solid var(--line);
  width: 2.6rem;
  height: 2.6rem;
  background: var(--bg-elev);
  color: var(--fog);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.lightbox__close:hover {
  background: var(--fog);
  color: var(--bg);
}

.lightbox__frame {
  width: min(400px, 92vw);
  aspect-ratio: 9 / 16;
  background: #000;
  border: 1px solid var(--line);
  overflow: hidden;
  animation: pop 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes pop {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.lightbox__frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.lightbox__title {
  margin: 0.9rem 0 0;
  max-width: 26rem;
  text-align: center;
  font-size: 0.95rem;
}