:root {
  --ink: #171717;
  --muted: #68635c;
  --stone: #8a857c;
  --stone-dark: #46433e;
  --paper: #f4efe7;
  --paper-warm: #ebe3d7;
  --brand-blue: #a9c6df;
  --brand-blue-deep: #6d91b1;
  --cream: #fbf8f2;
  --line: rgba(23, 23, 23, 0.16);
  --shadow: 0 24px 80px rgba(23, 23, 23, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(23, 23, 23, 0.03) 1px, transparent 1px),
    linear-gradient(180deg, var(--paper), #d9d3ca 48%, var(--cream));
  background-size: 76px 76px, auto;
  font-family:
    Arial,
    "Noto Sans TC",
    "Microsoft JhengHei",
    sans-serif;
  letter-spacing: 0;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  min-height: 100dvh;
  overflow: hidden;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 18px;
  left: 50%;
  display: flex;
  width: min(1160px, calc(100% - 32px));
  align-items: center;
  justify-content: space-between;
  transform: translateX(-50%);
  border: 1px solid rgba(255, 255, 255, 0.56);
  background: rgba(244, 239, 231, 0.76);
  box-shadow: 0 12px 36px rgba(23, 23, 23, 0.08);
  backdrop-filter: blur(18px);
  padding: 10px 12px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  font-weight: 900;
}

.brand-lockup strong,
.brand-lockup small {
  display: block;
  line-height: 1;
}

.brand-lockup small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: 4px;
}

.site-nav a {
  padding: 10px 12px;
  color: var(--stone-dark);
  font-size: 13px;
  font-weight: 700;
}

.hero-section {
  display: grid;
  min-height: 100dvh;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  align-items: center;
  gap: 48px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 118px 0 64px;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow,
.section-kicker {
  display: block;
  margin: 0 0 14px;
  color: var(--brand-blue-deep);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-copy h1 {
  margin: 0;
  font-size: 88px;
  line-height: 0.88;
  font-weight: 950;
}

.hero-subtitle {
  margin: 14px 0 0;
  color: var(--stone-dark);
  font-size: 26px;
  font-weight: 900;
}

.hero-text {
  max-width: 470px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  padding: 0 18px;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.primary-action {
  background: var(--ink);
  color: var(--paper);
}

.secondary-action {
  background: rgba(255, 255, 255, 0.34);
}

.blindbox-stage {
  position: relative;
  min-height: 640px;
  perspective: 1000px;
}

.spotlight {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg, transparent 20%, rgba(255, 255, 255, 0.55) 48%, transparent 72%),
    radial-gradient(circle at 52% 24%, rgba(255, 255, 255, 0.82), transparent 34%);
  mix-blend-mode: screen;
  opacity: 0.62;
  animation: spotlight 7s ease-in-out infinite alternate;
  pointer-events: none;
}

.blindbox-card {
  position: relative;
  overflow: hidden;
  height: 640px;
  border: 1px solid rgba(255, 255, 255, 0.56);
  background: #c9c1b5;
  box-shadow: var(--shadow);
  transform-style: preserve-3d;
}

.blindbox-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: figure-rise 900ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.box-lid {
  position: absolute;
  z-index: 3;
  top: 0;
  left: 0;
  display: grid;
  width: 100%;
  height: 42%;
  place-items: center;
  border-bottom: 1px solid rgba(23, 23, 23, 0.18);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.24), transparent),
    var(--paper-warm);
  color: rgba(23, 23, 23, 0.16);
  font-size: 84px;
  font-weight: 950;
  animation: box-reveal 1000ms 260ms cubic-bezier(0.77, 0, 0.18, 1) both;
}

.spec-tag {
  position: absolute;
  right: 18px;
  bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.48);
  background: rgba(244, 239, 231, 0.72);
  backdrop-filter: blur(14px);
  padding: 12px 14px;
}

.spec-tag span {
  color: var(--brand-blue-deep);
  font-weight: 950;
}

.identity-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto 104px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.identity-band > div {
  min-height: 112px;
  border-right: 1px solid var(--line);
  padding: 24px;
}

.identity-band > div:last-child {
  border-right: 0;
}

.identity-band strong {
  display: block;
  font-size: 18px;
}

.lineup-section,
.transition-film,
.showroom-section,
.motion-section,
.merch-wall {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 28px;
}

.section-heading h2,
.motion-section h2 {
  max-width: 760px;
  margin: 0;
  font-size: 44px;
  line-height: 1.08;
}

.collection-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr 1fr;
  gap: 18px;
  align-items: stretch;
}

.collection-card {
  display: grid;
  overflow: hidden;
  min-height: 540px;
  grid-template-rows: minmax(0, 1fr) auto;
  border: 1px solid rgba(23, 23, 23, 0.14);
  background: rgba(251, 248, 242, 0.62);
  box-shadow: 0 18px 60px rgba(23, 23, 23, 0.08);
  transform-style: preserve-3d;
}

.featured-card {
  min-height: 610px;
}

.card-media {
  min-height: 0;
  background: #ded7cd;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms ease;
}

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

.collection-card.is-selected {
  outline: 2px solid var(--brand-blue);
  outline-offset: -8px;
}

.card-body {
  border-top: 1px solid var(--line);
  padding: 20px;
}

.card-body span,
.motion-list span,
.merch-item span,
.showroom-panel span {
  color: var(--brand-blue-deep);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.card-body h3,
.showroom-panel h3 {
  margin: 8px 0 10px;
  font-size: 24px;
}

.card-body p,
.film-copy p,
.showroom-panel p,
.motion-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.transition-film {
  display: grid;
  grid-template-columns: 0.74fr 1.26fr;
  gap: 26px;
  align-items: center;
}

.film-copy {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 30px 0;
}

.film-copy h2 {
  margin: 0;
  font-size: 42px;
  line-height: 1.12;
}

.film-copy p {
  margin-top: 18px;
}

.film-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(23, 23, 23, 0.14);
  background: var(--stone-dark);
  box-shadow: var(--shadow);
}

.film-frame::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(23, 23, 23, 0.42), transparent 28%, transparent 68%, rgba(23, 23, 23, 0.22)),
    linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.22), transparent 56%);
  pointer-events: none;
}

.film-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.film-caption {
  position: absolute;
  z-index: 2;
  left: 18px;
  bottom: 18px;
  display: flex;
  gap: 10px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: rgba(23, 23, 23, 0.58);
  color: var(--paper);
  backdrop-filter: blur(16px);
  padding: 12px 14px;
}

.film-caption span {
  color: var(--brand-blue);
  font-weight: 950;
}

.showroom-strip {
  position: relative;
  overflow: hidden;
  display: grid;
  min-height: 520px;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid rgba(23, 23, 23, 0.14);
  background: var(--stone);
  box-shadow: var(--shadow);
}

.showroom-strip img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  transform: translateX(var(--parallax-x, 0));
  transition: transform 200ms linear;
}

.showroom-panel {
  position: absolute;
  right: 24px;
  bottom: 24px;
  max-width: 360px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: rgba(244, 239, 231, 0.78);
  backdrop-filter: blur(18px);
  padding: 22px;
}

.motion-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: start;
}

.motion-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.motion-list > div {
  min-height: 138px;
  background: rgba(251, 248, 242, 0.72);
  padding: 22px;
}

.motion-list strong {
  display: block;
  margin: 8px 0 8px;
  font-size: 20px;
}

.merch-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  background: var(--ink);
  color: var(--paper);
}

.merch-item {
  min-height: 190px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
  padding: 24px;
}

.merch-item:last-child {
  border-right: 0;
}

.merch-item span {
  color: var(--brand-blue);
}

.merch-item strong {
  display: block;
  margin-top: 90px;
  font-size: 24px;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes box-reveal {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-104%);
  }
}

@keyframes figure-rise {
  0% {
    opacity: 0;
    transform: scale(1.12) translateY(28px);
  }
  100% {
    opacity: 1;
    transform: scale(1.04) translateY(0);
  }
}

@keyframes spotlight {
  0% {
    transform: translateX(-8%);
  }
  100% {
    transform: translateX(8%);
  }
}

@media (max-width: 900px) {
  .site-header {
    top: 10px;
  }

  .site-nav {
    display: none;
  }

  .hero-section,
  .transition-film,
  .motion-section {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    font-size: 64px;
  }

  .blindbox-stage,
  .blindbox-card {
    min-height: 520px;
    height: 520px;
  }

  .identity-band,
  .collection-grid,
  .merch-grid {
    grid-template-columns: 1fr;
  }

  .identity-band > div,
  .merch-item {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .collection-card,
  .featured-card {
    min-height: 480px;
  }

  .section-heading {
    display: block;
  }

  .section-heading h2,
  .film-copy h2,
  .motion-section h2 {
    font-size: 34px;
  }

  .showroom-panel {
    position: relative;
    right: auto;
    bottom: auto;
    max-width: none;
    margin: -80px 14px 14px;
  }
}

@media (max-width: 520px) {
  .hero-section,
  .lineup-section,
  .transition-film,
  .showroom-section,
  .motion-section,
  .merch-wall,
  .identity-band {
    width: min(100% - 24px, 1180px);
  }

  .hero-copy h1 {
    font-size: 52px;
  }

  .hero-subtitle {
    font-size: 20px;
  }

  .hero-text {
    font-size: 15px;
  }

  .blindbox-stage,
  .blindbox-card {
    min-height: 460px;
    height: 460px;
  }

  .box-lid {
    font-size: 48px;
  }

  .hero-actions {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}