@import url("./tokens.css");

* { box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; scroll-padding-top: var(--nav-height); }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body {
  font-family: var(--font-body);
  font-weight: 300;
  line-height: var(--leading-body);
  letter-spacing: 0.01em;
}
img, video { display: block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: var(--hairline) solid var(--accent); outline-offset: 3px;
}
button { font-family: inherit; }

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 10;
  height: var(--nav-height);
  display: flex; align-items: center; gap: var(--space-sm);
  padding: 0 var(--space-md);
  background: var(--bg);
  border-bottom: var(--hairline) solid var(--line);
}
.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  margin-right: auto;
  white-space: nowrap;
}
.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  flex-shrink: 0;
  background: currentColor;
  -webkit-mask: url("../assets/brand/logo.svg") center / contain no-repeat;
  mask: url("../assets/brand/logo.svg") center / contain no-repeat;
}
.nav__links {
  display: flex; gap: var(--space-md);
  overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.nav__links a {
  font-size: var(--font-size-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
  padding: 0.6rem 0;
  border-bottom: var(--hairline) solid transparent;
  min-height: 44px;
  display: inline-flex; align-items: center;
}
.nav__links a.is-on, .nav__links a:hover { color: var(--text); border-bottom-color: var(--accent); }
.nav__tools { display: flex; gap: var(--space-xs); flex-shrink: 0; }
.lang, .theme {
  background: var(--accent); color: var(--on-accent);
  border: 0; border-radius: var(--radius);
  padding: 0.4rem 0.75rem;
  font-family: var(--font-body); font-size: var(--font-size-xs);
  letter-spacing: var(--tracking-label); text-transform: uppercase;
  cursor: pointer; min-height: 44px;
}
.theme { background: transparent; color: var(--text); border: var(--hairline) solid var(--line); }
.to-top {
  position: fixed;
  right: var(--space-md);
  bottom: var(--space-md);
  z-index: 9;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.to-top.is-on { opacity: 1; pointer-events: auto; }
body:has(.zoom[open]) { overflow: hidden; }
body:has(.zoom[open]) .to-top { opacity: 0; pointer-events: none; }

.wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-md); }
.bleed { width: 100%; }
.hero, .section { scroll-margin-top: var(--nav-height); }
.section { padding-top: var(--space-2xl); padding-bottom: var(--space-lg); }
.section--alt { background: var(--bg-alt); }

.hero {
  padding-top: calc(var(--nav-height) + var(--space-md));
  padding-bottom: var(--space-md);
  display: grid;
  grid-template-columns: minmax(16rem, 0.85fr) minmax(0, 1.15fr);
  gap: var(--space-lg);
  align-items: center;
}
.hero > * { min-width: 0; }
.hero__copy .lede { margin-bottom: var(--space-md); }
.hero__lockup {
  margin: 0 0 var(--space-md);
  padding: var(--space-sm) 0;
  border-top: var(--hairline) solid var(--line);
  border-bottom: var(--hairline) solid var(--line);
}
.hero__since {
  font-size: var(--font-size-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 var(--space-xs);
}
.hero__origin {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--font-size-xl);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
}
.hero__origin::before {
  content: "";
  display: block;
  width: 2.5rem;
  height: var(--hairline);
  background: var(--accent);
  margin: 0 0 var(--space-xs);
}
html[lang="zh-Hant"] .hero__origin { letter-spacing: 0.2em; }
html[lang="zh-Hant"] .hero__lockup {
  padding: var(--space-md) 0;
  margin-bottom: var(--space-lg);
}
html[lang="zh-Hant"] .hero__since { margin-bottom: var(--space-sm); }
html[lang="zh-Hant"] .hero__origin::before { margin: 0 0 var(--space-sm); }
html[lang="zh-Hant"] h1.display { margin-bottom: var(--space-md); }
html[lang="zh-Hant"] .hero__copy .lede { margin-bottom: var(--space-lg); }

.display {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: var(--tracking-display);
  line-height: var(--leading-tight);
  font-size: var(--font-size-hero);
  margin: 0 0 var(--space-sm);
}
h1.display { white-space: pre-line; overflow-wrap: break-word; }
h2.display { font-size: var(--font-size-3xl); }
h3, .card__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--font-size-xl);
  margin: var(--space-sm) 0 var(--space-xs);
}
.label {
  font-size: var(--font-size-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-muted);
  border-top: var(--hairline) solid var(--line);
  padding-top: var(--space-sm);
  margin: 0 0 var(--space-md);
}
.lede {
  max-width: 40rem;
  color: var(--text-muted);
  font-size: var(--font-size-lg);
  white-space: pre-line;
}
.muted { color: var(--text-muted); }
.caption {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin: var(--space-xs) 0 0;
}

.media {
  width: 100%;
  height: auto;
  max-height: var(--img-max-h);
  object-fit: contain;
  object-position: center top;
  background-color: var(--bg-alt);
  background-size: contain;
  background-position: center top;
  background-repeat: no-repeat;
  clip-path: inset(2px);
}
.media--zoom { cursor: zoom-in; }

.cover {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2px;
  align-items: stretch;
}
.cover__frame {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  height: min(42vh, 24rem);
  background: var(--bg-alt);
  cursor: zoom-in;
}
.cover__frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center 22%;
  background-color: var(--bg-alt);
  clip-path: inset(2px);
  opacity: 0;
  transition: opacity 0.8s ease;
  pointer-events: none;
  z-index: 0;
}
.cover__frame img.is-on { opacity: 1; z-index: 1; }
.cover__nav {
  display: flex; align-items: center; justify-content: center; gap: var(--space-sm);
  margin-top: var(--space-sm);
}
.cover__dots, .thumbs { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.dot {
  min-width: 44px; min-height: 44px; padding: 0 0.6rem;
  border: var(--hairline) solid var(--line);
  background: transparent; color: var(--text-muted);
  font-family: var(--font-body); font-size: var(--font-size-xs);
  letter-spacing: var(--tracking-label);
  cursor: pointer;
}
.dot.is-on { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }

.why { display: grid; gap: var(--space-lg); }
.why__item { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: var(--space-md); align-items: center; }
.why__item:nth-child(even) { direction: rtl; }
.why__item:nth-child(even) > * { direction: ltr; }

.work-list { display: grid; gap: var(--space-2xl); margin-top: var(--space-lg); }
.work-item { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: var(--space-lg); align-items: start; }
.work-item h3 { margin-top: 0; }
[data-work-photos] { display: grid; gap: var(--space-sm); }
.work-item:nth-child(even) { direction: rtl; }
.work-item:nth-child(even) > * { direction: ltr; }
.work__frame {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-sm);
  height: var(--img-max-h);
}
.work__frame figure {
  margin: 0;
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
}
.work__frame .media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: contain;
  object-position: center;
  clip-path: none;
  background: transparent;
}
.work__nav,
.zoom__nav {
  align-self: center;
}
.thumbs { align-items: stretch; }
.thumbs button {
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  width: 4.5rem;
  height: 4.5rem;
}
.thumbs button.is-on { outline: var(--hairline) solid var(--accent); outline-offset: 2px; }
.thumbs img {
  width: 100%;
  height: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center 22%;
  background: transparent;
  clip-path: none;
}

.band { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: var(--space-md); }
.band figure { margin: 0; }
.band:not(.band--mono) .media {
  aspect-ratio: 3 / 2;
  height: auto;
  max-height: none;
  object-fit: cover;
  object-position: center;
  clip-path: none;
  background: transparent;
}
.band--mono { grid-template-columns: repeat(3, 1fr); }
.band--mono .media {
  aspect-ratio: 1 / 1;
  object-fit: cover;
  max-height: none;
  clip-path: none;
  background: transparent;
}

.clips { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.clips video, .clips img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--bg-alt); }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }
.step { display: grid; align-content: start; gap: var(--space-md); }
.step__n {
  font-size: var(--font-size-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0;
}
.step figure {
  overflow: hidden;
  height: 14rem;
  background: var(--bg-alt);
}
.steps .media, .step .media {
  width: 100%;
  height: 14rem;
  max-height: 14rem;
  object-fit: cover;
  object-position: center;
}

.mills { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-lg); list-style: none; padding: 0; margin: 0; }
.mills > li { border-top: var(--hairline) solid var(--line); padding-top: var(--space-sm); }
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.tier { border-top: var(--hairline) solid var(--line); padding: var(--space-md) 0; }
.tier strong { font-family: var(--font-display); font-size: var(--font-size-2xl); display: block; }
#prices .mills { margin-top: 0; }
#prices #label-mills { margin-top: var(--space-lg); }

.contact { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
.cta-row { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin: var(--space-md) 0; }
.contact__reach .cta-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin: 0 0 var(--space-md);
}
.contact__meta p { margin: 0 0 var(--space-xs); }
.contact__meta p:last-child { margin-bottom: 0; }
.contact__reach .cta-row .btn {
  width: 100%;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.85rem 1.1rem;
  text-transform: none;
  letter-spacing: 0;
}
.btn {
  background: var(--accent); color: var(--on-accent);
  border: 0; border-radius: var(--radius);
  padding: 0.7rem 1.2rem;
  font-family: var(--font-body); font-size: var(--font-size-xs);
  letter-spacing: var(--tracking-label); text-transform: uppercase;
  cursor: pointer; min-height: 44px; display: inline-flex; align-items: center;
  text-decoration: none;
}
.btn__label {
  font-size: var(--font-size-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}
.btn__meta {
  font-size: var(--font-size-sm);
  letter-spacing: 0;
  text-transform: none;
  font-weight: 400;
  line-height: var(--leading-tight);
  word-break: break-word;
  opacity: 0.9;
}
.btn--ghost { background: transparent; color: var(--text); border: var(--hairline) solid var(--line); }
.btn--ghost .btn__meta { color: var(--text-muted); opacity: 1; }
.btn:hover { color: var(--on-accent); }
.btn--ghost:hover { color: var(--text); }
.btn.work__nav,
.btn.zoom__nav,
.cover__nav > .btn {
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  letter-spacing: 0;
  line-height: 0;
  flex-shrink: 0;
  justify-content: center;
}
.btn.work__nav svg,
.btn.zoom__nav svg,
.cover__nav > .btn svg {
  display: block;
  width: 1.4rem;
  height: 1.4rem;
  overflow: visible;
}

.form { display: grid; gap: var(--space-sm); }
.form label { font-size: var(--font-size-xs); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--text-muted); }
.form input, .form textarea {
  width: 100%; background: var(--surface); color: var(--text);
  border: var(--hairline) solid var(--line); border-radius: var(--radius);
  padding: 0.7rem; font-family: var(--font-body); font-size: var(--font-size-base);
}
.form textarea { min-height: 8rem; resize: vertical; }
.hp { position: absolute; left: -9999px; }
.map {
  grid-column: 1 / -1;
  display: block;
  width: 100%;
  height: min(32rem, 55vh);
  min-height: 22rem;
  border: var(--hairline) solid var(--line);
}

.specs { list-style: none; padding: 0; margin: var(--space-md) 0; }
.specs li { border-bottom: var(--hairline) solid var(--line); padding: var(--space-xs) 0; font-size: var(--font-size-sm); }
.swatches { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-sm); }
.swatch i { display: block; height: 4rem; border: var(--hairline) solid var(--line); }
.swatch span { font-size: var(--font-size-xs); color: var(--text-muted); }

.reveal { opacity: 0; transform: translateY(12px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-in { opacity: 1; transform: none; }

.zoom {
  position: fixed;
  inset: 0;
  z-index: 80;
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: var(--space-md);
  border: 0;
  box-sizing: border-box;
  background: color-mix(in srgb, var(--bg) 72%, var(--text));
  color: var(--text);
  overflow: hidden;
}
.zoom:not([open]) {
  display: none;
}
.zoom[open] {
  display: grid;
  place-items: center;
}
.zoom::backdrop {
  background: color-mix(in srgb, var(--bg) 72%, var(--text));
}
.zoom__sheet {
  width: min(96vw, 72rem);
  max-height: min(calc(100vh - 2 * var(--space-md)), 92vh);
  padding: var(--space-md);
  border: var(--hairline) solid var(--line);
  background: var(--bg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.zoom__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  flex-shrink: 0;
}
.zoom__hint { margin: 0; }
.zoom__frame {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-sm);
}
.zoom__nav { align-self: center; }
.zoom__nav[hidden] { display: none; }
.zoom__frame:has(.zoom__nav[hidden]) {
  grid-template-columns: minmax(0, 1fr);
}
.zoom__stage {
  width: 100%;
  min-height: 0;
  overflow: hidden;
  display: grid;
  place-items: center;
  cursor: zoom-in;
  touch-action: none;
  background: var(--bg-alt);
}
.zoom__stage.is-zoomed { cursor: grab; }
.zoom__stage img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: min(78vh, calc(100vh - 10rem));
  object-fit: contain;
  object-position: center;
  background-color: var(--bg-alt);
  clip-path: inset(2px);
  transform-origin: center center;
  user-select: none;
}
.zoom__caption { margin-top: var(--space-sm); flex-shrink: 0; }
.zoom__caption:empty { display: none; }

.foot {
  max-width: var(--max-width); margin: 0 auto;
  padding: var(--space-md) var(--space-md) var(--space-lg);
  border-top: var(--hairline) solid var(--line);
  color: var(--text-muted); font-size: var(--font-size-xs);
  display: flex; align-items: center; flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
}
.foot__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}
.foot__copy { margin: 0; }
.foot__links {
  display: flex; align-items: center; gap: var(--space-xs);
}
.foot__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  color: var(--text-muted);
  border: var(--hairline) solid var(--line);
  background: transparent;
  border-radius: var(--radius);
  transition: color var(--transition), border-color var(--transition);
}
.foot__icon:hover { color: var(--accent); border-color: var(--accent); }
.foot__icon svg { display: block; width: 18px; height: 18px; }

@media (max-width: 960px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --nav-height: 8.25rem; }
  .hero, .why, .why__item, .work-item, .band, .band--mono, .clips, .steps, .mills, .tiers, .contact, .swatches {
    grid-template-columns: 1fr;
  }
  .hero { padding-top: calc(var(--nav-height) + var(--space-sm)); gap: var(--space-sm); }
  .why__item:nth-child(even), .work-item:nth-child(even) { direction: ltr; }
  .cover { grid-template-columns: 1fr; }
  .cover__frame:nth-child(n + 2) { display: none; }
  .cover__nav { flex-wrap: wrap; }
  .cover__dots { flex-wrap: nowrap; }
  .work__frame {
    position: relative;
    grid-template-columns: minmax(0, 1fr);
  }
  .work__nav {
    position: absolute;
    z-index: 1;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg);
  }
  .work__nav--prev { left: var(--space-xs); }
  .work__nav--next { right: var(--space-xs); }
  .nav { height: auto; flex-wrap: wrap; padding-top: var(--space-xs); padding-bottom: var(--space-xs); }
  .nav__links { width: 100%; order: 3; }
  .zoom { padding: var(--space-sm); }
  .zoom__sheet { max-height: min(calc(100vh - 2 * var(--space-sm)), 94vh); padding: var(--space-sm); }
  .zoom__stage img { max-height: min(78vh, calc(100vh - 9rem)); }
  .zoom__frame {
    position: relative;
    grid-template-columns: minmax(0, 1fr);
  }
  .zoom__nav {
    position: absolute;
    z-index: 1;
    top: 50%;
    transform: translateY(-50%);
  }
  .zoom__nav--prev { left: var(--space-xs); }
  .zoom__nav--next { right: var(--space-xs); }
  .foot { padding-right: calc(var(--space-md) + 7.5rem); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .cover__frame img { transition: none; }
  .to-top { transition: none; }
}