/* ==========================================================================
   Luxmin Pack — sections：各區塊版面與 Demo 外殼
   ========================================================================== */

/* ─────────── 裝置外殼（石墨金屬框）─────────── */
.device.bezel--dark,
.device--pad,
.device--phone {
  background: linear-gradient(155deg, #3B3B3E 0%, #1D1D1F 38%, #121213 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.16), var(--shadow-device);
}
.device.bezel--dark { padding: 0.55rem; border-radius: 1.5rem; }
.device.bezel--dark > .bezel__core {
  border-radius: calc(1.5rem - 0.55rem);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.6);
  background: var(--screen);
}

/* 螢幕玻璃反光 */
.wall::after,
.screen::after,
.iw__wall::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(118deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.015) 32%, transparent 46%);
  z-index: 3;
}

/* ─────────── HERO ─────────── */
.hero {
  padding-top: clamp(7.5rem, 15vh, 10.5rem);
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
  min-height: min(100dvh, 62rem);
  display: flex;
  align-items: center;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 5vw, 5.5rem);
  align-items: center;
}
/* 大標跟著欄寬走：「一個簡單的動作，」八個字永遠一行 */
.hero__copy { container-type: inline-size; }
.hero .h-display { font-size: clamp(2.3rem, 11.6cqi, 5.8rem); }
.hero__copy .lede { margin-top: 1.7rem; }
.hero__facts { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1.8rem; }
.hero__facts li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.32rem 0.8rem 0.32rem 0.65rem;
  border-radius: 999px;
  box-shadow: inset 0 0 0 1px var(--hair-2);
  font-size: 0.82rem;
  color: var(--ink-2);
}
.hero__facts li::before { content: ""; width: 0.32rem; height: 0.32rem; border-radius: 50%; background: var(--ink); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 2.3rem; }

.hero__stage { position: relative; padding: 0 0 20% 7%; }

.wall {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: radial-gradient(120% 90% at 50% 115%, #22190F 0%, #0D0C0B 55%, #09090A 100%);
}
.wall__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.wall__hud {
  position: absolute;
  top: 0.9rem;
  left: 1rem;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.58rem;
  color: var(--on-dark-2);
}
.wall__hud b { color: var(--on-dark); font-weight: 500; font-variant-numeric: tabular-nums; }
.wall__hud-sep { opacity: 0.4; }
.wall__title {
  position: absolute;
  left: 50%;
  top: 46%;
  z-index: 1;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
  white-space: nowrap;
}
.wall__title span { display: block; font-size: 0.52rem; letter-spacing: 0.34em; color: rgba(255, 233, 207, 0.42); }
.wall__title strong {
  display: block;
  margin-top: 0.45rem;
  font-weight: 300;
  font-size: clamp(1.1rem, 2.1vw, 1.85rem);
  letter-spacing: -0.02em;
  color: rgba(255, 244, 230, 0.9);
  text-shadow: 0 0 24px rgba(255, 190, 120, 0.35);
}

.device--pad {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  width: 47%;
  padding: 0.55rem;
  border-radius: 1.55rem;
  rotate: -3.5deg;
  transition: rotate 0.9s var(--ease-out), translate 0.9s var(--ease-out);
}
.device--pad:hover, .device--pad.is-active { rotate: -1deg; translate: 0 -4px; }
.pad {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 1.05rem;
  overflow: hidden;
  background:
    linear-gradient(transparent calc(66% - 1px), rgba(92, 52, 36, 0.16) calc(66% - 1px), rgba(92, 52, 36, 0.16) 66%, transparent 66%) no-repeat,
    radial-gradient(120% 120% at 20% 0%, #FFFFFF 0%, #F5F3EE 70%);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.5);
}
.pad::before {
  content: "×";
  position: absolute;
  left: 8%;
  top: calc(66% - 1.55rem);
  font-size: 1rem;
  color: var(--ink-3);
  pointer-events: none;
}
.pad__canvas { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: none; cursor: crosshair; z-index: 1; }
.pad__hint {
  position: absolute;
  left: 0;
  right: 0;
  top: 36%;
  text-align: center;
  font-family: var(--font-hand);
  font-size: clamp(0.95rem, 1.4vw, 1.2rem);
  color: var(--ink-3);
  pointer-events: none;
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}
.pad__hint.is-off { opacity: 0; transform: translateY(-6px); }
.pad__bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.55rem;
}
.pad__btn {
  padding: 0.32rem 0.8rem;
  border-radius: 999px;
  font-size: 0.72rem;
  color: var(--ink-2);
  background: rgba(92, 52, 36, 0.06);
  transition: background-color 0.4s var(--ease-out), opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}
.pad__btn:active { transform: scale(0.96); }
.pad__btn--send { background: var(--ink); color: var(--paper); }
.pad__btn:disabled { opacity: 0.35; cursor: default; }
.pad__timer { color: var(--lux); font-size: 0.6rem; }

.sig-ghost {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 25;
  pointer-events: none;
  transform-origin: 0 0;
  will-change: transform, opacity;
}

/* ─────────── 數字條 + 跑馬燈 ─────────── */
.strip { padding-top: clamp(1rem, 3vw, 2rem); }
.strip__stats { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 0.4rem 1.5rem 0.4rem 0; }
.stat + .stat { padding-left: 1.5rem; box-shadow: inset 1px 0 0 var(--hair); }
.stat strong {
  display: block;
  font-size: clamp(2.3rem, 4.2vw, 3.6rem);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat strong small { font-size: 0.5em; font-weight: 400; color: var(--ink-3); margin: 0 0.06em; }
.stat span { display: block; margin-top: 0.7rem; font-size: 0.86rem; color: var(--ink-2); text-wrap: pretty; }

.marquee {
  margin-top: clamp(3.5rem, 7vw, 6rem);
  padding-block: 1.15rem;
  overflow: hidden;
  box-shadow: inset 0 1px 0 var(--hair), inset 0 -1px 0 var(--hair);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track { display: flex; width: max-content; animation: marquee 48s linear infinite; }
.marquee__track span {
  display: inline-flex;
  align-items: center;
  font-size: clamp(1.05rem, 1.9vw, 1.5rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink-3);
  white-space: nowrap;
}
.marquee__track span::after { content: ""; width: 0.3rem; height: 0.3rem; margin-inline: 1.6rem; border-radius: 50%; background: var(--lux); opacity: 0.7; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ─────────── 為什麼是輕 ─────────── */
.why {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}
.why__head { position: sticky; top: 8rem; }
.why__head .lede { margin-top: 1.5rem; }
.why__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.why__card--wide { grid-column: 1 / -1; }
.why__card .bezel__core {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 15.5rem;
  padding: clamp(1.5rem, 2.8vw, 2.25rem);
}
.why__card--wide .bezel__core { display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto 1fr; column-gap: 2rem; }
.why__card--wide .why__viz { grid-column: 2; grid-row: 1 / span 3; align-self: center; }
.why__num { color: var(--ink-3); }
.why__card h3 { font-size: clamp(1.3rem, 1.9vw, 1.65rem); font-weight: 700; line-height: 1.3; letter-spacing: -0.02em; }
.why__card p { color: var(--ink-2); max-width: 26em; }
.why__viz--qr { display: flex; flex-direction: column; align-items: center; gap: 0.9rem; }
.qr { width: 6rem; padding: 0.7rem; border-radius: 1rem; background: #fff; box-shadow: inset 0 0 0 1px var(--hair), 0 14px 30px -18px rgba(40, 30, 20, 0.4); }
.qr path { fill: none; stroke: var(--ink); stroke-width: 3; }
.qr .qr__fill { fill: var(--ink); stroke: none; }
.why__arrow { color: var(--lux); letter-spacing: 0.08em; }

/* ─────────── 作品 ─────────── */
.section--works { padding-bottom: calc(var(--section-y) * 0.6); }
.section-head { max-width: 48rem; margin-bottom: clamp(3.5rem, 7vw, 6rem); }
.section-head .lede { margin-top: 1.4rem; }
.section-head--split { max-width: none; display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 3rem; }

.exhibit {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2.5rem, 5.5vw, 6rem);
  align-items: center;
  padding-block: clamp(3.5rem, 6vw, 5.5rem);
  box-shadow: inset 0 1px 0 var(--hair);
}
.exhibit--flip { grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); }
.exhibit--flip .exhibit__info { order: 2; }
.exhibit__index { color: var(--lux); }
.exhibit__name {
  margin-top: 0.8rem;
  font-size: clamp(1.95rem, 1.2rem + 2vw, 2.9rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
}
.exhibit__name span { display: block; margin-top: 0.25rem; font-size: 0.5em; font-weight: 300; letter-spacing: -0.01em; color: var(--ink-3); }
.exhibit__desc { margin-top: 1.25rem; color: var(--ink-2); text-wrap: pretty; }
.spec { margin-top: 1.9rem; box-shadow: inset 0 1px 0 var(--hair); }
.spec div { display: grid; grid-template-columns: 5.8rem 1fr; gap: 1rem; padding: 0.72rem 0; box-shadow: inset 0 -1px 0 var(--hair); font-size: 0.9rem; }
.spec dt { padding-top: 0.2rem; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; color: var(--ink-3); }
.exhibit__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.2rem 1.5rem; margin-top: 2.1rem; }
.price { display: flex; align-items: baseline; gap: 0.5rem; }
.price .mono { color: var(--ink-3); }
.price strong { font-size: 1.95rem; font-weight: 600; letter-spacing: -0.035em; font-variant-numeric: tabular-nums; }
.price span:last-child { font-size: 0.9rem; color: var(--ink-2); }

.screen { position: relative; aspect-ratio: 1568 / 744; overflow: hidden; }
.screen__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 1.1s var(--ease-out), transform 2.6s var(--ease-out);
}
.screen__img.is-on { opacity: 1; transform: scale(1); }
.screen__badge {
  position: absolute;
  left: 0.8rem;
  bottom: 0.75rem;
  z-index: 4;
  display: flex;
  gap: 0.7rem;
  padding: 0.38rem 0.75rem;
  border-radius: 999px;
  background: rgba(8, 8, 9, 0.62);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  font-size: 0.58rem;
  color: var(--on-dark-3);
}
.screen__badge span { color: var(--on-dark); letter-spacing: 0.06em; text-transform: none; }
.exhibit__demo .chips { margin-top: 1.15rem; }
.chips__more { margin-top: 1rem; font-size: 0.66rem; line-height: 2; letter-spacing: 0.05em; text-transform: none; color: var(--ink-3); }

/* ─────────── 拍立得牆 Demo ─────────── */
.iw__stage { display: grid; grid-template-columns: minmax(0, 1fr) 12.5rem; gap: 1.4rem; align-items: center; }
.iw__wall {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: radial-gradient(130% 100% at 50% 0%, #2B2219 0%, #17120E 52%, #0F0D0B 100%);
}
.iw__wall::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 50% 40%, #F4F1EA 0%, #E6E1D6 100%);
  opacity: 0;
  transition: opacity 0.9s var(--ease-out);
}
.iw__wall[data-preset="sticky"]::before { opacity: 1; }
.iw__wall[data-preset="grid"] { background: radial-gradient(130% 100% at 50% 0%, #26282A 0%, #151617 55%, #0E0F10 100%); }
.iw__lines { position: absolute; inset: 0; width: 100%; height: 100%; transition: opacity 0.7s var(--ease-out); }
.iw__wall:not([data-preset="line"]) .iw__lines { opacity: 0; }
.iw__lines path { fill: none; stroke: rgba(222, 196, 156, 0.5); stroke-width: 1.2; vector-effect: non-scaling-stroke; }
.iw__lines circle { fill: #FFD9A0; }
.iw__items { position: absolute; inset: 0; }
.iw__title {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-hand);
  font-size: clamp(1.1rem, 2.6vw, 2.2rem);
  line-height: 1.25;
  text-align: center;
  color: #2A2825;
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.8s var(--ease-out), transform 0.9s var(--ease-out);
  pointer-events: none;
}
.iw__wall[data-preset="sticky"] .iw__title { opacity: 1; transform: none; }
.iw__mod {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.34rem 0.7rem;
  border-radius: 999px;
  background: rgba(10, 10, 10, 0.66);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
  font-size: 0.56rem;
  color: var(--on-dark-2);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out), color 0.4s var(--ease-out);
}
.iw__mod.is-on { opacity: 1; transform: none; }
.iw__mod.is-ok { color: #9FE6BE; }

.iw-item { position: absolute; left: 0; top: 0; width: 14.5%; transform-origin: 50% 0; will-change: transform; }
.iw-card { position: relative; transform-origin: 50% 0; transition: opacity 0.45s var(--ease-out), transform 0.45s var(--ease-out); }
.iw-slot {
  position: absolute;
  left: 0;
  top: 0;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.025);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}
.iw-slot::before { content: ""; position: absolute; top: -3%; left: 50%; width: 7%; aspect-ratio: 1; translate: -50% 0; border-radius: 50%; background: rgba(255, 255, 255, 0.18); }
.iw-card.is-swapping { opacity: 0; transform: scale(0.9); }
.iw-polaroid {
  padding: 7% 7% 0;
  background: #FBFAF6;
  border-radius: 2px;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2), 0 10px 18px -8px rgba(0, 0, 0, 0.7);
}
.iw-photo { position: relative; aspect-ratio: 1; overflow: hidden; background: #1D1A17; }
.iw-photo img { width: 100%; height: 100%; object-fit: cover; }
.iw-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: #2A241D;
  opacity: 0;
  pointer-events: none;
}
.iw-item.is-developing .iw-photo img { filter: sepia(1) brightness(0.25) contrast(0.8); }
.iw-item.is-developing .iw-photo::after { opacity: 0.85; }
.iw-item.is-developed .iw-photo img { filter: none; transition: filter 3.2s var(--ease-soft); }
.iw-item.is-developed .iw-photo::after { opacity: 0; transition: opacity 2.6s var(--ease-soft); }
.iw-cap { padding: 0.35em 0.1em 0.55em; font-family: var(--font-hand); color: #2B2926; line-height: 1.2; font-size: clamp(0.42rem, 0.78vw, 0.72rem); }
.iw-cap b { display: block; font-weight: 400; font-size: 0.8em; color: #75706A; }
.iw-clip {
  position: absolute;
  top: -10%;
  left: 50%;
  width: 11%;
  height: 22%;
  translate: -50% 0;
  border-radius: 1.5px;
  background: linear-gradient(90deg, #C9A57A, #E1C29A 50%, #B98F62);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
  transition: opacity 0.4s var(--ease-out);
}
.iw-pin {
  position: absolute;
  top: -3%;
  left: 50%;
  width: 7%;
  aspect-ratio: 1;
  translate: -50% 0;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #FF9A76, var(--lux) 60%, #B33A0E);
  box-shadow: 0 2px 3px rgba(0, 0, 0, 0.5);
  opacity: 0;
}
.iw__wall[data-preset="grid"] .iw-clip { opacity: 0; }
.iw__wall[data-preset="grid"] .iw-pin { opacity: 1; }
.iw-sticky {
  aspect-ratio: 1;
  padding: 12% 11%;
  background: var(--sc, #F4D35E);
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.12), 0 12px 14px -10px rgba(0, 0, 0, 0.45);
  font-family: var(--font-hand);
  color: #2B2926;
  font-size: clamp(0.5rem, 0.95vw, 0.85rem);
  line-height: 1.3;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.iw-sticky b { font-weight: 400; font-size: 0.78em; color: rgba(43, 41, 38, 0.6); }
.iw-sticky::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 22%;
  height: 22%;
  background: linear-gradient(135deg, transparent 50%, rgba(0, 0, 0, 0.12) 50%, rgba(255, 255, 255, 0.35) 100%);
}

.iw .device--phone { position: relative; z-index: 2; width: 100%; rotate: 2deg; translate: 0 1.2rem; }
.device--phone { padding: 0.42rem; border-radius: 2.35rem; }
.phone { position: relative; border-radius: 1.95rem; overflow: hidden; background: var(--paper); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.5); }
.phone::before { content: ""; position: absolute; top: 0.5rem; left: 50%; width: 4.2rem; height: 1.05rem; translate: -50% 0; border-radius: 999px; background: #0B0B0C; z-index: 2; }
.phone__screen { display: flex; flex-direction: column; gap: 0.55rem; padding: 2.1rem 0.85rem 1rem; }
.phone__top { display: flex; align-items: center; gap: 0.4rem; font-size: 0.54rem; color: var(--ink-3); }
.phone__top .led { width: 0.35rem; height: 0.35rem; }
.phone__photo { position: relative; aspect-ratio: 4 / 3; border-radius: 0.8rem; overflow: hidden; background: #D8D3CA; }
.phone__photo canvas { width: 100%; height: 100%; }
.phone__chip {
  position: absolute;
  right: 0.45rem;
  bottom: 0.45rem;
  padding: 0.28rem 0.62rem;
  /* 觸控裝置上放大一點，27px 太小按不到 */
  border-radius: 999px;
  font-size: 0.64rem;
  color: #fff;
  background: rgba(15, 15, 15, 0.55);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}
.phone__field { display: grid; gap: 0.2rem; font-size: 0.6rem; color: var(--ink-3); }
.phone__field input {
  width: 100%;
  padding: 0.48rem 0.65rem;
  border: 0;
  border-radius: 0.6rem;
  outline: none;
  background: rgba(92, 52, 36, 0.045);
  box-shadow: inset 0 0 0 1px var(--hair);
  font-size: 0.8rem;
  color: var(--ink);
  transition: box-shadow 0.4s var(--ease-out);
}
.phone__field input:focus { box-shadow: inset 0 0 0 1.5px var(--lux); }
.phone__row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem; margin-top: 0.15rem; }
.phone__file, .phone__send {
  position: relative;
  display: grid;
  place-items: center;
  padding: 0.55rem 0.4rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 500;
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), opacity 0.4s var(--ease-out);
}
.phone__file { background: rgba(92, 52, 36, 0.06); cursor: pointer; }
.phone__file input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.phone__send { background: var(--ink); color: var(--paper); }
.phone__send:active, .phone__file:active { transform: scale(0.96); }
.phone__send:disabled { opacity: 0.4; cursor: default; }
.phone__fine { font-size: 0.56rem; text-align: center; color: var(--ink-3); }
.chips--presets { margin-top: 2.4rem; }

/* ─────────── 實驗室 ─────────── */
.lab__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.lab-card { rotate: var(--r, 0deg); transition: rotate 0.9s var(--ease-out), translate 0.9s var(--ease-out); }
.lab-card:nth-child(1) { --r: -1.1deg; }
.lab-card:nth-child(2) { --r: 0.8deg; translate: 0 1.2rem; }
.lab-card:nth-child(3) { --r: -0.5deg; }
.lab-card:nth-child(4) { --r: 0.9deg; }
.lab-card:nth-child(5) { --r: -0.8deg; translate: 0 1.2rem; }
.lab-card:nth-child(6) { --r: 0.6deg; }
.lab-card:hover { rotate: 0deg; translate: 0 -0.4rem; }
.lab-card .bezel__core { display: flex; flex-direction: column; padding: 0.55rem 0.55rem 1.7rem; }
.lab-card__viz { width: 100%; aspect-ratio: 16 / 10; border-radius: 1.1rem; background: #09090A; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05); }
.lab-card__viz--play { cursor: pointer; }
.lab-card__meta { display: flex; justify-content: space-between; padding: 1.25rem 1rem 0; color: var(--on-dark-3); }
.lab-card__meta span { color: var(--lux-soft); }
.lab-card h3 { padding: 0.55rem 1rem 0; font-size: 1.3rem; font-weight: 700; letter-spacing: -0.02em; }
.lab-card h3 span { margin-left: 0.5rem; font-size: 0.72em; font-weight: 300; color: var(--on-dark-3); letter-spacing: 0; }
.lab-card p:last-child { padding: 0.5rem 1rem 0; font-size: 0.92rem; line-height: 1.75; color: var(--on-dark-2); }

/* ─────────── 運作方式 ─────────── */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-bottom: clamp(3rem, 6vw, 5rem); }
.step { position: relative; padding-top: 1.3rem; box-shadow: inset 0 1px 0 var(--hair-2); }
.step::before { content: ""; position: absolute; top: -2.5px; left: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--lux); }
.step .mono { color: var(--ink-3); }
.step h3 { margin-top: 0.75rem; font-size: 1.15rem; font-weight: 700; letter-spacing: -0.01em; }
.step p { margin-top: 0.4rem; font-size: 0.92rem; color: var(--ink-2); }

.bento { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 1rem; }
.bento__cell--mod { grid-column: span 7; }
.bento__cell--brand { grid-column: span 5; }
.bento__cell--output { grid-column: span 5; }
.bento__cell--privacy { grid-column: span 7; }
.bento__cell--gear { grid-column: span 12; }
.bento .bento__cell--gear .bezel__core { flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.bento__cell .bezel__core { display: flex; flex-direction: column; gap: 1.6rem; padding: clamp(1.4rem, 2.6vw, 2rem); overflow: hidden; }
.bento__text .mono { color: var(--ink-3); }
.bento__text h3 { margin-top: 0.6rem; font-size: clamp(1.2rem, 1.7vw, 1.5rem); font-weight: 700; line-height: 1.35; letter-spacing: -0.02em; }
.bento__text p { margin-top: 0.5rem; max-width: 30em; font-size: 0.93rem; color: var(--ink-2); }

.mod { flex: 1; display: grid; place-items: center; min-height: 17.5rem; border-radius: 1.2rem; background: radial-gradient(90% 90% at 50% 20%, #FBF2EA, var(--bg-deep)); box-shadow: inset 0 0 0 1px var(--hair); }
.mod__phone { width: min(17.5rem, 84%); padding: 1rem 0.9rem 1.1rem; border-radius: 1.7rem; background: #FFFAF6; box-shadow: inset 0 0 0 1px var(--hair), var(--shadow-float); }
.mod__head { display: flex; justify-content: space-between; color: var(--ink-3); }
.mod__head b { font-weight: 500; color: var(--ink); }
.mod__stack { position: relative; height: 12.5rem; margin-top: 0.9rem; }
.mod-card {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  display: grid;
  grid-template-columns: 3.3rem 1fr;
  gap: 0.75rem;
  align-items: center;
  padding: 0.65rem;
  border-radius: 1rem;
  background: var(--paper);
  box-shadow: inset 0 0 0 1px var(--hair), 0 12px 22px -14px rgba(0, 0, 0, 0.3);
  will-change: transform, opacity;
}
.mod-card__img { aspect-ratio: 1; border-radius: 0.6rem; overflow: hidden; background: #ccc; }
.mod-card__img img { width: 100%; height: 100%; object-fit: cover; }
.mod-card__name { font-size: 0.66rem; color: var(--ink-3); }
.mod-card__msg { font-family: var(--font-hand); font-size: 0.98rem; line-height: 1.3; }
.mod-card__stamp { position: absolute; top: 0.55rem; right: 0.6rem; padding: 0.12rem 0.5rem; border-radius: 999px; font-size: 0.58rem; font-weight: 500; opacity: 0; }
.mod-card__stamp--ok { color: #0E8F6E; background: rgba(14, 143, 110, 0.12); }
.mod-card__stamp--no { color: #C2362B; background: rgba(194, 54, 43, 0.1); }

.brand-demo { display: flex; flex-direction: column; gap: 0.9rem; }
.brand-demo__screen {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  aspect-ratio: 16 / 8;
  border-radius: 1rem;
  overflow: hidden;
  background: var(--brand, #FF5B22);
  transition: background-color 1.1s var(--ease-out);
}
.brand-demo__screen::before { content: ""; position: absolute; inset: 0; background: radial-gradient(90% 90% at 30% 10%, rgba(255, 255, 255, 0.22), transparent 60%), radial-gradient(80% 80% at 80% 100%, rgba(0, 0, 0, 0.28), transparent 70%); }
.brand-demo__logo { position: relative; padding: 0.5rem 0.75rem; border-radius: 0.45rem; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.55); font-family: var(--font-mono); font-size: 0.6rem; font-weight: 500; line-height: 1.3; letter-spacing: 0.2em; text-align: center; color: #fff; }
.brand-demo__line { position: relative; width: 38%; height: 5px; border-radius: 3px; background: rgba(255, 255, 255, 0.8); }
.brand-demo__line--short { width: 22%; opacity: 0.5; }
.brand-demo__swatches { display: flex; gap: 0.55rem; }
.brand-demo__swatches i { width: 1.35rem; height: 1.35rem; border-radius: 50%; background: var(--c); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1); transition: transform 0.6s var(--ease-spring), box-shadow 0.6s var(--ease-out); }
.brand-demo__swatches i.is-on { transform: scale(1.18); box-shadow: 0 0 0 2px var(--paper), 0 0 0 3.5px var(--c); }

.outputs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; margin-top: auto; }
.outputs li { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.85rem; }
.outputs b { margin-top: 0.4rem; font-weight: 600; }
.outputs em { font-style: normal; font-size: 0.58rem; color: var(--ink-3); }
.outputs__thumb { position: relative; aspect-ratio: 3 / 4; border-radius: 0.7rem; overflow: hidden; box-shadow: inset 0 0 0 1px var(--hair); }
.outputs__thumb--poster {
  background:
    radial-gradient(circle at 22% 24%, rgba(255, 220, 170, 0.9) 0 1.5px, transparent 2.5px),
    radial-gradient(circle at 70% 18%, rgba(255, 220, 170, 0.8) 0 1px, transparent 2px),
    radial-gradient(circle at 48% 46%, rgba(255, 220, 170, 0.9) 0 1.5px, transparent 2.5px),
    radial-gradient(circle at 30% 70%, rgba(255, 220, 170, 0.7) 0 1px, transparent 2px),
    radial-gradient(circle at 76% 64%, rgba(255, 220, 170, 0.9) 0 1.5px, transparent 2.5px),
    radial-gradient(70% 50% at 50% 100%, #3A2616, transparent),
    #121112;
}
.outputs__thumb--poster::after { content: "SHOWROOM\A 2026"; white-space: pre; position: absolute; left: 0; right: 0; bottom: 14%; text-align: center; font-family: var(--font-mono); font-size: 0.42rem; letter-spacing: 0.2em; color: rgba(255, 233, 207, 0.7); }
.outputs__thumb--video { background: linear-gradient(160deg, #26201A, #0F0E0D); }
.outputs__thumb--video::before { content: ""; position: absolute; left: 50%; top: 42%; translate: -40% -50%; border-left: 0.75rem solid rgba(255, 255, 255, 0.85); border-top: 0.45rem solid transparent; border-bottom: 0.45rem solid transparent; }
.outputs__thumb--video i { position: absolute; left: 12%; right: 12%; bottom: 14%; height: 2px; border-radius: 2px; background: rgba(255, 255, 255, 0.2); overflow: hidden; }
.outputs__thumb--video i::after { content: ""; position: absolute; inset: 0; background: var(--lux); transform-origin: left; animation: scrub 5s var(--ease-soft) infinite; }
@keyframes scrub { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.outputs__thumb--folder { background: linear-gradient(transparent 30%, rgba(92, 52, 36, 0.06) 30% 31%, transparent 31% 40%, rgba(92, 52, 36, 0.06) 40% 41%, transparent 41% 50%, rgba(92, 52, 36, 0.06) 50% 51%, transparent 51%) 18% 0 / 64% 100% no-repeat, #FBFAF7; }
.outputs__thumb--folder::after { content: ""; position: absolute; right: 0; top: 0; width: 26%; aspect-ratio: 1; background: linear-gradient(225deg, var(--bg) 50%, #E2DED6 50%); }

.relay { display: flex; align-items: center; padding: 1.4rem 0.2rem 0.2rem; }
.relay__node { flex: none; padding: 0.6rem 0.95rem; border-radius: 999px; font-size: 0.8rem; line-height: 1.35; text-align: center; background: rgba(92, 52, 36, 0.05); box-shadow: inset 0 0 0 1px var(--hair); }
.relay__node small { display: block; font-family: var(--font-mono); font-size: 0.54rem; letter-spacing: 0.1em; color: var(--ink-3); }
.relay__node--ghost { background: transparent; box-shadow: inset 0 0 0 1px var(--hair-2); outline: 1px dashed var(--hair-2); outline-offset: 3px; }
.relay__node--solid { background: var(--ink); color: var(--paper); }
.relay__node--solid small { color: rgba(255, 250, 246, 0.55); }
.relay__wire { position: relative; flex: 1; min-width: 1.5rem; height: 6px; background: linear-gradient(var(--hair-2), var(--hair-2)) center / 100% 1px no-repeat; overflow: hidden; }
.relay__wire i { position: absolute; inset: 0; background: radial-gradient(circle at 50% 50%, var(--lux) 0 2.5px, transparent 3px); animation: relay 2.7s var(--ease-soft) infinite; opacity: 0; }
.relay__wire i:nth-child(2) { animation-delay: 0.9s; }
.relay__wire i:nth-child(3) { animation-delay: 1.8s; }
.relay__wire + .relay__node + .relay__wire i { animation-delay: 0.45s; }
@keyframes relay {
  0% { transform: translateX(-50%); opacity: 0; }
  15%, 80% { opacity: 1; }
  100% { transform: translateX(50%); opacity: 0; }
}

.gear { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.gear span { padding: 0.42rem 0.9rem; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--hair-2); font-size: 0.8rem; color: var(--ink-2); }

/* ─────────── 方案 ─────────── */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; align-items: stretch; }
.plan .bezel__core { display: flex; flex-direction: column; gap: 1.25rem; padding: clamp(1.6rem, 2.6vw, 2.2rem); }
.plan__name { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; font-size: 1.05rem; font-weight: 600; }
.plan__name .mono { color: var(--ink-3); }
.plan__price { display: flex; align-items: baseline; gap: 0.45rem; padding-bottom: 1.3rem; box-shadow: inset 0 -1px 0 var(--hair); }
.plan__price .mono { color: var(--ink-3); }
.plan__price strong { font-size: clamp(2.6rem, 4vw, 3.4rem); font-weight: 600; line-height: 1; letter-spacing: -0.05em; font-variant-numeric: tabular-nums; }
.plan__price span:last-child { font-size: 0.9rem; color: var(--ink-2); }
.plan__list { flex: 1; display: grid; align-content: start; gap: 0.65rem; }
.plan__list li { display: flex; align-items: baseline; gap: 0.7rem; font-size: 0.92rem; color: var(--ink-2); }
.plan__list li::before { content: ""; flex: none; width: 0.75rem; height: 1px; background: var(--ink-3); transform: translateY(-0.3em); }
.plan.bezel--dark { background: rgba(92, 52, 36, 0.07); box-shadow: inset 0 0 0 1px var(--hair-2); }
.plan--featured .bezel__core { background: radial-gradient(90% 60% at 80% 0%, rgba(255, 91, 34, 0.18), transparent 70%), var(--screen-2); }
.plan--featured .plan__name .mono, .plan--featured .plan__price .mono { color: var(--on-dark-3); }
.plan--featured .plan__price { box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.08); }
.plan--featured .plan__price span:last-child, .plan--featured .plan__list li { color: var(--on-dark-2); }
.plan--featured .plan__list li::before { background: var(--lux); }
.plan--featured .plan__name .plan__tag { padding: 0.28rem 0.65rem; border-radius: 999px; background: rgba(255, 91, 34, 0.16); color: var(--lux-soft); letter-spacing: 0.08em; }

.addons { display: flex; flex-wrap: wrap; align-items: center; gap: 0.8rem 1rem; margin-top: 1.25rem; padding: 0.85rem 1.2rem; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--hair); }
.addons > .mono { color: var(--ink-3); }
.addons ul { flex: 1; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.addons li { padding: 0.3rem 0.75rem; border-radius: 999px; background: rgba(92, 52, 36, 0.045); font-size: 0.82rem; }
.addons__note { font-size: 0.82rem; color: var(--ink-3); }
.fine { margin-top: 1.2rem; font-size: 0.8rem; color: var(--ink-3); }

/* ─────────── 合作 ─────────── */
.partners { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 6vw, 6rem); align-items: start; }
.partners__head .btn { margin-top: 2.3rem; }
.partners__list li { display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; padding: 1.7rem 0; box-shadow: inset 0 1px 0 var(--hair); }
.partners__list li:last-child { box-shadow: inset 0 1px 0 var(--hair), inset 0 -1px 0 var(--hair); }
.partners__list .mono { display: grid; place-items: center; width: 2.3rem; height: 2.3rem; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--hair-2); color: var(--ink-2); letter-spacing: 0; }
.partners__list h3 { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.01em; }
.partners__list p { margin-top: 0.3rem; color: var(--ink-2); }

/* ─────────── FAQ ─────────── */
.section--faq { padding-top: calc(var(--section-y) * 0.5); }
.faq { display: grid; grid-template-columns: 1fr 1fr; column-gap: clamp(2rem, 5vw, 5rem); }
.faq > div { padding: 1.6rem 0; box-shadow: inset 0 1px 0 var(--hair); }
.faq dt { font-size: 1.1rem; font-weight: 700; }
.faq dd { margin-top: 0.5rem; color: var(--ink-2); text-wrap: pretty; }

/* ─────────── 最後 CTA + footer ─────────── */
.cta { position: relative; overflow: hidden; padding-block: clamp(8rem, 16vw, 13rem); text-align: center; }
.cta__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.cta__inner { position: relative; display: flex; flex-direction: column; align-items: center; }
.cta__title { font-size: clamp(2.3rem, 1rem + 4.6vw, 5.4rem); font-weight: 700; line-height: 1.14; letter-spacing: -0.035em; text-wrap: balance; }
.cta__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; margin-top: 2.7rem; }
.cta__meta { margin-top: 1.7rem; color: var(--on-dark-3); }

.footer { padding: 2.6rem 0 3rem; background: var(--night); color: var(--on-dark-2); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06); }
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem 2rem; }
.footer .nav__brand { color: var(--on-dark); }
.footer__brand p { margin-top: 0.3rem; font-size: 0.82rem; }
.footer__brand p a, .footer__links a { transition: color 0.4s var(--ease-out); }
.footer__brand p a:hover, .footer__links a:hover { color: var(--on-dark); }
.footer__links { display: flex; flex-wrap: wrap; gap: 0.6rem 1.5rem; font-size: 0.88rem; }
.footer__copy { color: var(--on-dark-3); }

/* ─────────── 多頁版：首頁的延伸連結、實驗室改成淺色預告 ─────────── */
.section-head__link, .exhibit__more, .pricing__more { margin-top: 1.1rem; font-size: 0.92rem; }
.partners__head .text-link { margin-left: 1.3rem; }
.section--lab { background: var(--bg-deep); }
.section--lab .lab-card.bezel--dark { background: rgba(92, 52, 36, 0.06); box-shadow: inset 0 0 0 1px var(--hair-2); }
.section--lab .lab-card p:last-child { display: none; }
.lab__more { margin-top: 2.6rem; }

@media (max-width: 700px) {
  .section--lab .lab__grid {
    display: flex;
    gap: 1rem;
    margin-inline: calc(var(--gutter) * -1);
    padding: 0.5rem var(--gutter) 1rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }
  .section--lab .lab-card { flex: 0 0 78%; scroll-snap-align: center; }
  .partners__head .text-link { margin: 1rem 0 0; display: flex; }
}

/* ─────────── 響應式 ─────────── */
@media (max-width: 1100px) {
  .exhibit, .exhibit--flip { grid-template-columns: 1fr; }
  .exhibit--flip .exhibit__info { order: 0; }
  .why { grid-template-columns: 1fr; }
  .why__head { position: static; }
  .lab__grid { grid-template-columns: repeat(2, 1fr); }
  .lab-card:nth-child(n) { translate: none; }
  .bento__cell--mod { grid-column: span 12; grid-row: auto; }
  .bento__cell--brand, .bento__cell--output { grid-column: span 6; }
  .bento__cell--privacy { grid-column: span 12; }
  .bento__cell--gear { grid-column: span 12; }
}

@media (max-width: 1024px) {
  .hero { min-height: 0; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__stage { max-width: 46rem; }
}

@media (max-width: 900px) {
  .hero__stage { padding: 0; display: grid; gap: 1rem; }
  .device--pad { position: relative; width: 100%; rotate: none; }
  .device--pad:hover, .device--pad.is-active { rotate: none; translate: none; }
  .pad { aspect-ratio: 16 / 8; }
  .section-head--split { grid-template-columns: 1fr; gap: 1.5rem; }
  .plans { grid-template-columns: 1fr; }
  .partners { grid-template-columns: 1fr; }
  .faq { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 2rem; }
  .strip__stats { grid-template-columns: repeat(2, 1fr); row-gap: 2rem; }
  .stat:nth-child(3) { padding-left: 0; box-shadow: none; }
}

@media (max-width: 700px) {
  .iw__stage { grid-template-columns: 1fr; justify-items: center; gap: 1.2rem; }
  .iw .device--phone { width: min(17rem, 86%); rotate: none; translate: none; }
  .iw__stage > .device--wall { width: 100%; }
  .phone__field input { font-size: 16px; }
  .chips--presets { margin-top: 1.4rem; }
  .lab__grid { grid-template-columns: 1fr; }
  .lab-card:nth-child(n) { rotate: none; translate: none; }
  .bento__cell--brand, .bento__cell--output { grid-column: span 12; }
  .steps { grid-template-columns: 1fr; }
  .why__grid { grid-template-columns: 1fr; }
  .why__card--wide .bezel__core { grid-template-columns: 1fr; }
  .why__card--wide .why__viz { grid-column: 1; grid-row: auto; align-self: start; flex-direction: row; margin-top: 0.5rem; }
  .relay { flex-wrap: wrap; row-gap: 0.8rem; }
  .relay__node { font-size: 0.74rem; padding: 0.5rem 0.75rem; }
  .addons { border-radius: 1.4rem; }
  .spec div { grid-template-columns: 5rem 1fr; }
  .hero__cta .btn { flex: 1 1 auto; }
  .cta__actions .btn { width: 100%; max-width: 20rem; }
}

@media (pointer: coarse) {
  .phone__chip { padding: 0.45rem 0.85rem; font-size: 0.72rem; }
}
