:root {
  --ink: #111215;
  --paper: #f2f2ee;
  --muted: #8d9091;
  --cyan: #76e4e8;
  --pink: #ff8dd0;
  --line: rgba(255, 255, 255, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body { margin: 0; color: var(--paper); background: var(--ink); font-family: "Manrope", Arial, sans-serif; max-width: 100%; overflow-x: clip; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }

.cursor-glow { position: fixed; z-index: 0; width: 38vw; height: 38vw; min-width: 340px; min-height: 340px; border-radius: 50%; background: radial-gradient(circle, rgba(118, 228, 232, .055), transparent 67%); pointer-events: none; transform: translate(-50%, -50%); opacity: 0; transition: opacity .5s ease; }
body:hover .cursor-glow { opacity: 1; }

.site-header { position: fixed; top: 0; z-index: 10; width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 29px clamp(22px, 5vw, 78px); mix-blend-mode: difference; color: #fff; }
.wordmark { letter-spacing: -.07em; font-weight: 800; font-size: 1.15rem; line-height: 1; }
.wordmark span { margin-left: 3px; font-size: .42em; vertical-align: top; letter-spacing: 0; }
.site-header nav { display: flex; gap: 28px; margin-left: auto; margin-right: clamp(20px, 4vw, 62px); }
.site-header nav a, .header-cta { font: 500 .68rem/1 "DM Mono", monospace; letter-spacing: .04em; text-transform: uppercase; }
.site-header nav a { opacity: .8; transition: opacity .25s ease; }
.site-header nav a:hover { opacity: 1; }
.header-cta { display: flex; gap: 9px; align-items: center; padding: 11px 14px; border: 1px solid rgba(255,255,255,.55); border-radius: 999px; }
.header-cta span { font-size: 1rem; line-height: .6; }

.intro { position: relative; display: flex; min-height: 100svh; padding: clamp(130px, 21vh, 220px) clamp(22px, 10vw, 150px) 48px; flex-direction: column; justify-content: center; background: #151619; }
.intro::before { position: absolute; content: ""; inset: 0; background: radial-gradient(ellipse 50% 50% at 60% 54%, rgba(118, 228, 232, .13), transparent 65%), radial-gradient(ellipse 35% 40% at 74% 54%, rgba(255, 141, 208, .13), transparent 62%); pointer-events: none; }
.intro::after { position: absolute; content: ""; width: 42vw; height: 1px; right: 0; top: 49%; background: linear-gradient(90deg, transparent, rgba(255,255,255,.35)); transform: rotate(-26deg); transform-origin: right; }
.eyebrow { position: relative; z-index: 1; margin: 0 0 23px; color: var(--cyan); font: 500 .68rem/1 "DM Mono", monospace; letter-spacing: .11em; text-transform: uppercase; }
.intro h1, h2 { position: relative; z-index: 1; margin: 0; font-weight: 500; letter-spacing: -.077em; line-height: .87; }
.intro h1 { font-size: clamp(4.25rem, 10.25vw, 11rem); max-width: 1000px; }
h1 em, h2 em { color: var(--pink); font-family: Georgia, serif; font-weight: 400; letter-spacing: -.09em; }
.intro-copy { position: relative; z-index: 1; max-width: 280px; margin: 36px 0 0; color: #b5b7b7; font-size: .9rem; line-height: 1.65; }
.scroll-cue { position: absolute; z-index: 1; left: clamp(22px, 10vw, 150px); bottom: 47px; display: flex; align-items: center; gap: 12px; color: #a7a9a9; font: .62rem/1 "DM Mono", monospace; letter-spacing: .06em; text-transform: uppercase; }
.scroll-cue span { width: 37px; height: 1px; background: linear-gradient(90deg, var(--cyan), var(--pink)); }

/* Hero Right Section Video Animation Overlay */
.intro-video-container {
  position: absolute;
  top: 50%;
  right: clamp(10px, 3vw, 80px);
  width: min(780px, 55vw);
  height: clamp(420px, 75vh, 820px);
  transform: translateY(-50%);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: screen;
  mask-image: radial-gradient(ellipse 85% 82% at 50% 44%, black 50%, transparent 92%);
  -webkit-mask-image: radial-gradient(ellipse 85% 82% at 50% 44%, black 50%, transparent 92%);
}

.intro-video {
  width: 110%;
  height: 110%;
  object-fit: cover;
  object-position: center 28%;
  transform: scale(1.22) translateY(-5%);
  pointer-events: none;
  filter: contrast(1.05) brightness(1.02);
}

.motion { position: relative; height: 520vh; }
.motion-stage { position: sticky; top: 0; height: 100svh; overflow: hidden; background: #111215; }
#keyboard-canvas { position: absolute; inset: 0; display: block; width: 100%; height: 100%; }
.stage-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,11,13,.4) 0%, transparent 44%, transparent 70%, rgba(10,11,13,.18)), linear-gradient(0deg, rgba(10,11,13,.64), transparent 40%, rgba(10,11,13,.18)); pointer-events: none; }
.motion-topline, .motion-bottomline { position: absolute; left: clamp(22px, 5vw, 78px); right: clamp(22px, 5vw, 78px); display: flex; justify-content: space-between; color: rgba(255,255,255,.7); font: .62rem/1 "DM Mono", monospace; letter-spacing: .09em; text-transform: uppercase; }
.motion-topline { top: 98px; }
.motion-bottomline { bottom: 35px; align-items: center; }
.scroll-progress { width: min(260px, 35vw); height: 1px; background: rgba(255,255,255,.25); overflow: hidden; }
.scroll-progress i { display: block; width: 0%; height: 100%; background: linear-gradient(90deg, var(--cyan), var(--pink)); }
.hero-copy { position: absolute; z-index: 2; left: clamp(22px, 10vw, 150px); bottom: clamp(72px, 14vh, 145px); width: min(390px, 68vw); min-height: 260px; }
.hero-message { position: absolute; inset: 0; visibility: hidden; opacity: 0; transform: translateY(15px); transition: opacity .45s ease, transform .55s cubic-bezier(.22, .61, .36, 1), visibility 0s .55s; }
.hero-message.is-active { visibility: visible; opacity: 1; transform: translateY(0); transition-delay: 0s; }
.message-number { display: block; margin-bottom: 16px; color: var(--cyan); font: .64rem/1 "DM Mono", monospace; letter-spacing: .1em; }
.hero-message h2 { font-size: clamp(3rem, 5.6vw, 6.2rem); }
.hero-message p { width: 235px; margin: 24px 0 0; color: rgba(255,255,255,.75); font-size: .84rem; line-height: 1.65; }

.statement, .switch-section, .specs-section { position: relative; padding: clamp(108px, 15vw, 210px) clamp(22px, 10vw, 150px); }
.statement { background: var(--paper); color: #131416; }
.statement .eyebrow, .specs-section .eyebrow { color: #269ba3; }
.statement-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(210px, .45fr); gap: clamp(35px, 10vw, 150px); align-items: end; }
.statement h2, .specs-section h2 { font-size: clamp(3.5rem, 7.5vw, 8.5rem); }
.statement h2 em, .specs-section h2 em { color: #d83486; }
.statement-right { display: flex; flex-direction: column; gap: 28px; justify-content: flex-end; }
.statement-right p, .statement-layout > p { max-width: 350px; margin: 0 0 8px; color: #616468; font-size: .96rem; line-height: 1.8; }
.tech-section-img { width: 100%; max-width: 440px; height: auto; object-fit: contain; mix-blend-mode: multiply; mask-image: radial-gradient(ellipse 90% 85% at 50% 50%, black 65%, transparent 98%); -webkit-mask-image: radial-gradient(ellipse 90% 85% at 50% 44%, black 65%, transparent 98%); transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease; filter: contrast(1.05); }
.tech-section-img:hover { transform: translateY(-6px) scale(1.02); filter: contrast(1.08); }

.switch-section { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(290px, .75fr); gap: clamp(45px, 10vw, 165px); align-items: center; background: #101114; }
.switch-visual { position: relative; overflow: hidden; aspect-ratio: 1.12; border-radius: 2px; background: #1b1d20; }
.switch-visual::after { position: absolute; content: ""; inset: 0; background: linear-gradient(145deg, rgba(118,228,232,.18), transparent 42%, rgba(255,141,208,.12)); pointer-events: none; }
.switch-visual img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.03); transition: transform 1.2s cubic-bezier(.16,1,.3,1); }
.switch-visual:hover img { transform: scale(1.1); }
.visual-tag { position: absolute; bottom: 17px; left: 18px; z-index: 1; padding: 8px 10px; border: 1px solid rgba(255,255,255,.28); background: rgba(14,15,17,.36); backdrop-filter: blur(8px); font: .58rem/1 "DM Mono", monospace; letter-spacing: .08em; }
.switch-content h2 { font-size: clamp(3.5rem, 6.8vw, 7.8rem); }
.body-copy { max-width: 390px; margin: 32px 0 0; color: #b5b6b8; font-size: .94rem; line-height: 1.8; }
.spec-list { max-width: 390px; margin: 43px 0 0; border-top: 1px solid var(--line); }
.spec-list > div { display: flex; justify-content: space-between; padding: 13px 0; border-bottom: 1px solid var(--line); font: .69rem/1 "DM Mono", monospace; letter-spacing: .03em; }
.spec-list dt { color: #8e9195; }
.spec-list dd { margin: 0; color: #e5e5e5; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.11); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stats div { display: flex; min-height: 190px; padding: 32px clamp(18px, 3vw, 48px); flex-direction: column; justify-content: space-between; background: #111215; }
.stats strong { color: var(--paper); font-size: clamp(1.7rem, 3.1vw, 3.2rem); font-weight: 500; letter-spacing: -.08em; }
.stats span { color: #96989b; font: .62rem/1.3 "DM Mono", monospace; letter-spacing: .05em; text-transform: uppercase; }

.specs-section { background: #ecece8; color: #141518; }
.spec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: clamp(58px, 9vw, 120px); border-top: 1px solid #c6c7c3; background: #c6c7c3; }
.spec-grid article { min-height: 300px; padding: 24px 24px 30px; display: flex; flex-direction: column; background: #ecece8; }
.spec-index { color: #259aa2; font: .62rem/1 "DM Mono", monospace; }
.spec-grid h3 { margin: auto 0 15px; font-weight: 500; font-size: 1.3rem; letter-spacing: -.05em; }
.spec-grid p { max-width: 260px; margin: 0; color: #616469; font-size: .8rem; line-height: 1.65; }

.order { position: relative; isolation: isolate; padding: clamp(110px, 17vw, 230px) clamp(22px, 10vw, 150px); overflow: hidden; text-align: center; background: #121316; }
.order > *:not(.order-orb) { position: relative; z-index: 1; }
.order .eyebrow { color: var(--cyan); }
.order h2 { font-size: clamp(4rem, 9.4vw, 10.4rem); }
.order > p:not(.eyebrow) { max-width: 390px; margin: 32px auto 0; color: #aeb0b2; font-size: .9rem; line-height: 1.75; }
.order-orb { position: absolute; z-index: 0; width: 48vw; height: 48vw; min-width: 410px; min-height: 410px; border-radius: 50%; filter: blur(5px); opacity: .22; }
.orb-one { top: -22vw; left: -15vw; background: radial-gradient(circle at 55% 55%, var(--cyan), transparent 64%); }
.orb-two { right: -16vw; bottom: -26vw; background: radial-gradient(circle at 40% 40%, var(--pink), transparent 63%); }
.primary-button { display: inline-flex; gap: 13px; align-items: center; justify-content: center; margin-top: 38px; padding: 16px 20px; color: #111215; border-radius: 999px; background: var(--paper); font: 500 .7rem/1 "DM Mono", monospace; letter-spacing: .06em; text-transform: uppercase; transition: transform .25s ease, background .25s ease; }
.primary-button:hover { background: #fff; transform: translateY(-3px); }
.primary-button span { font-size: 1.1rem; line-height: .6; }

footer { display: flex; align-items: center; justify-content: space-between; padding: 30px clamp(22px, 5vw, 78px); border-top: 1px solid var(--line); color: #777a7d; font: .58rem/1 "DM Mono", monospace; letter-spacing: .04em; text-transform: uppercase; }
footer .wordmark { color: var(--paper); font-family: "Manrope", sans-serif; font-size: 1.02rem; text-transform: none; }

/* ==========================================================================
   NEW INTERACTIVE SECTIONS (LIGHTING, ACOUSTICS, ARCHITECTURE, PACKAGE)
   ========================================================================== */

.lighting-section, .acoustics-section, .architecture-section, .package-section {
  position: relative;
  padding: clamp(108px, 15vw, 210px) clamp(22px, 10vw, 150px);
}

/* 1. FlowingMenu Component (Lighting Section) */
.flowing-menu-section {
  position: relative;
  background: #101114;
  padding: clamp(80px, 12vw, 160px) 0 clamp(60px, 10vw, 120px) !important;
}
.flowing-menu-header {
  position: relative;
  z-index: 10;
  padding: 0 clamp(22px, 5vw, 60px);
  max-width: 950px;
  margin: 0 auto clamp(40px, 6vw, 70px) auto;
  text-align: center;
}
.flowing-menu-header .eyebrow { color: var(--cyan); margin-bottom: 10px; }
.flowing-menu-header h2 { font-size: clamp(3.2rem, 6.5vw, 7rem); line-height: 0.95; margin-bottom: 16px; }
.flowing-menu-header .body-copy { color: #8e9194; font-size: clamp(0.9rem, 1.2vw, 1.05rem); line-height: 1.7; max-width: 580px; margin: 0 auto; }

.flowing-menu-wrap {
  width: 100%;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.flowing-menu {
  display: flex;
  flex-direction: column;
  height: 100%;
  margin: 0;
  padding: 0;
}
.flowing-menu__item {
  flex: 1;
  position: relative;
  overflow: hidden;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.flowing-menu__item:first-child {
  border-top: none;
}
.flowing-menu__item-link {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  position: relative;
  cursor: pointer;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  font-weight: 600;
  font-size: clamp(1.4rem, 3.2vh, 2.6rem);
  font-family: "Manrope", sans-serif;
  letter-spacing: 0.03em;
  transition: opacity 0.3s ease;
  z-index: 2;
}
.flowing-menu__item-link:hover {
  opacity: 0.85;
}
.flowing-marquee {
  position: absolute;
  top: 0;
  left: 0;
  overflow: hidden;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transform: translate3d(0, 101%, 0);
  z-index: 5;
}
.flowing-marquee__inner-wrap {
  height: 100%;
  width: 100%;
  overflow: hidden;
}
.flowing-marquee__inner {
  display: flex;
  align-items: center;
  position: relative;
  height: 100%;
  width: fit-content;
  will-change: transform;
}
.flowing-marquee__part {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.flowing-marquee span {
  white-space: nowrap;
  text-transform: uppercase;
  font-weight: 600;
  font-size: clamp(1.4rem, 3.2vh, 2.6rem);
  font-family: "Manrope", sans-serif;
  line-height: 1;
  padding: 0 1vw;
  letter-spacing: 0.03em;
}
.flowing-marquee__img {
  width: clamp(150px, 16vw, 240px);
  height: clamp(45px, 6vh, 80px);
  margin: 0 2vw;
  border-radius: 999px;
  background-size: cover;
  background-position: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}
@media (max-width: 760px) {
  .flowing-menu-wrap { height: 440px !important; }
  .flowing-menu__item-link, .flowing-marquee span { font-size: 1.25rem; }
  .flowing-marquee__img { width: 120px; height: 38px; margin: 0 3vw; }
}

/* 2. Acoustics & Sound Studio */
.acoustics-section { background: var(--paper); color: #131416; }
.acoustics-section .eyebrow { color: #269ba3; }
.acoustics-section h2 { font-size: clamp(3.5rem, 7.5vw, 8.5rem); }
.acoustics-section h2 em { color: #d83486; }
.acoustics-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .8fr); gap: clamp(35px, 10vw, 120px); align-items: end; margin-bottom: 50px; }
.acoustics-right { display: flex; flex-direction: column; gap: 28px; justify-content: flex-end; }
.acoustics-right p, .acoustics-layout > p { max-width: 380px; margin: 0 0 8px; color: #616468; font-size: .96rem; line-height: 1.8; }
.acoustics-section-img { width: 100%; max-width: 440px; height: auto; object-fit: contain; mix-blend-mode: multiply; mask-image: radial-gradient(ellipse 90% 85% at 50% 50%, black 65%, transparent 98%); -webkit-mask-image: radial-gradient(ellipse 90% 85% at 50% 50%, black 65%, transparent 98%); transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease; filter: contrast(1.05); }
.acoustics-section-img:hover { transform: translateY(-6px) scale(1.02); filter: contrast(1.08); }
.sound-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: #c6c7c3; border-top: 1px solid #c6c7c3; border-bottom: 1px solid #c6c7c3; }
.sound-card { background: #ecece8; padding: 32px 24px; cursor: default; transition: background 0.3s ease, transform 0.3s ease; display: flex; flex-direction: column; justify-content: space-between; gap: 20px; min-height: 380px; position: relative; overflow: hidden; }
.sound-card:hover { background: #fff; transform: translateY(-4px); box-shadow: 0 10px 30px rgba(0,0,0,0.08); }
.sound-card.is-playing { background: #fff; border-left: 3px solid #259aa2; }
.sound-card span,
.sound-card-content,
.sound-play-tag { position: relative; z-index: 2; }
.sound-card-content { width: 100%; max-width: 100%; }
.sound-card span { font: .62rem/1 "DM Mono", monospace; color: #259aa2; text-transform: uppercase; letter-spacing: .08em; }
.sound-card h3 { font-size: 1.4rem; font-weight: 600; margin: 0 0 8px; color: #141518; letter-spacing: -.04em; }
.sound-card p { font-size: .82rem; color: #616469; margin: 0; line-height: 1.6; }
.sound-play-tag { margin-top: 10px; font: .65rem/1 "DM Mono", monospace; color: #141518; font-weight: 500; display: flex; align-items: center; gap: 8px; }
.sound-play-tag i { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #d83486; }
@keyframes floatKeyVertical {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-12px); }
}
.sound-card-img-wrap {
  position: relative;
  width: 100%;
  height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 10px 0;
}
.sound-card .floating-key-img {
  width: 160px;
  height: 160px;
  object-fit: contain;
  mix-blend-mode: multiply;
  mask-image: radial-gradient(circle at 50% 50%, black 48%, transparent 76%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, black 48%, transparent 76%);
  z-index: 1;
  cursor: pointer;
  animation: floatKeyVertical 3.2s ease-in-out infinite alternate;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.sound-card .floating-key-img:hover {
  transform: translateY(-16px) scale(1.08);
}
.sound-card:nth-child(1) .floating-key-img { animation-delay: 0s; }
.sound-card:nth-child(2) .floating-key-img { animation-delay: -1.1s; }
.sound-card:nth-child(3) .floating-key-img { animation-delay: -2.2s; }

/* 3. Exploded Architecture */
.architecture-section {
  position: relative;
  background: #03010A;
}
.switch-visual,
.switch-content,
.flowing-menu-header,
.flowing-menu-wrap,
.architecture-section > .eyebrow,
.architecture-section > h2,
.architecture-section > #architecture-scroll-stack {
  position: relative;
  z-index: 2;
}
.splash-cursor-container,
.cursor-grid-container,
.ferrofluid-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}
.architecture-section h2 { font-size: clamp(3.5rem, 7.5vw, 8.5rem); }
/* Centered HoverExpand Accordion List Matching React Component */
.hover-expand-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 1100px;
  margin: 50px auto 0;
}
.hover-expand-divider {
  width: 100%;
  border-top: 1px solid currentColor;
  opacity: 0.15;
}
.hover-expand-item {
  position: relative;
  width: 100%;
  height: 68px;
  overflow: hidden;
  cursor: default;
  transition: height 0.5s cubic-bezier(0.23, 1, 0.32, 1), opacity 0.22s ease-out;
  background: transparent;
}
.hover-expand-container.has-active .hover-expand-item {
  opacity: 0.38;
}
.hover-expand-container .hover-expand-item.is-active {
  height: 320px;
  opacity: 1;
}
@media (min-width: 761px) {
  .hover-expand-container:hover .hover-expand-item {
    opacity: 0.38;
  }
  .hover-expand-container .hover-expand-item:hover {
    height: 320px;
    opacity: 1;
  }
}
.hover-expand-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 0.45s cubic-bezier(0.23, 1, 0.32, 1), transform 0.55s cubic-bezier(0.23, 1, 0.32, 1);
}
.hover-expand-item.is-active .hover-expand-bg {
  opacity: 1;
  transform: scale(1);
}
@media (min-width: 761px) {
  .hover-expand-item:hover .hover-expand-bg {
    opacity: 1;
    transform: scale(1);
  }
}
.hover-expand-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hover-expand-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.2) 50%, rgba(0, 0, 0, 0.1));
}
.hover-expand-content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 0 20px 16px;
  pointer-events: none;
}
.hover-expand-row {
  display: flex;
  width: 100%;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}
.hover-expand-left {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}
.hover-expand-num {
  font: 0.75rem/1 "DM Mono", monospace;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  opacity: 0.4;
  transition: color 0.2s, opacity 0.2s;
}
.hover-expand-item.is-active .hover-expand-num {
  color: #ffffff;
  opacity: 0.5;
}
@media (min-width: 761px) {
  .hover-expand-item:hover .hover-expand-num {
    color: #ffffff;
    opacity: 0.5;
  }
}
.hover-expand-label {
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.2s;
  color: inherit;
}
.hover-expand-item.is-active .hover-expand-label {
  color: #ffffff;
}
@media (min-width: 761px) {
  .hover-expand-item:hover .hover-expand-label {
    color: #ffffff;
  }
}
.hover-expand-desc {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.hover-expand-item.is-active .hover-expand-desc {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.3s cubic-bezier(0.23, 1, 0.32, 1) 0.12s, transform 0.3s cubic-bezier(0.23, 1, 0.32, 1) 0.12s;
}
@media (min-width: 761px) {
  .hover-expand-item:hover .hover-expand-desc {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.3s cubic-bezier(0.23, 1, 0.32, 1) 0.12s, transform 0.3s cubic-bezier(0.23, 1, 0.32, 1) 0.12s;
  }
}
.hover-expand-sublabel {
  font: 0.7rem/1 "DM Mono", monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  flex-shrink: 0;
  opacity: 0.45;
  transition: color 0.2s, opacity 0.2s;
}
.hover-expand-item.is-active .hover-expand-sublabel {
  color: rgba(255, 255, 255, 0.55);
  opacity: 1;
}
@media (min-width: 761px) {
  .hover-expand-item:hover .hover-expand-sublabel {
    color: rgba(255, 255, 255, 0.55);
    opacity: 1;
  }
}

/* Mobile Click-To-Open & Responsive Un-crushed Layout */
@media (max-width: 760px) {
  .hover-expand-container {
    margin-top: 30px;
  }
  .hover-expand-item {
    height: 76px;
    cursor: pointer;
  }
  .hover-expand-container .hover-expand-item.is-active {
    height: 310px;
  }
  .hover-expand-content {
    padding: 0 16px 14px;
  }
  .hover-expand-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }
  .hover-expand-left {
    width: 100%;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
  }
  .hover-expand-label {
    font-size: 1.15rem;
    white-space: normal;
    overflow: visible;
    line-height: 1.2;
  }
  .hover-expand-sublabel {
    font-size: 0.64rem;
    opacity: 0.55;
    letter-spacing: 0.06em;
  }
  .hover-expand-desc {
    display: none;
    width: 100%;
    margin-top: 6px;
    white-space: normal;
    overflow: visible;
    line-height: 1.5;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.85);
  }
  .hover-expand-item.is-active .hover-expand-desc {
    display: block;
    opacity: 1;
    transform: translateX(0);
  }
}

/* 4. Package Contents */
.package-section { background: #131417; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.package-section h2 { font-size: clamp(3.5rem, 7.5vw, 8.5rem); margin-bottom: 60px; }
.package-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); }
.package-grid article { background: #131417; padding: 36px 24px; min-height: 240px; display: flex; flex-direction: column; justify-content: space-between; transition: background 0.3s ease; }
.package-grid article:hover { background: #17181c; }
.package-grid span { font: .65rem/1 "DM Mono", monospace; color: var(--pink); }
.package-grid h3 { font-size: 1.3rem; font-weight: 500; margin: 20px 0 12px; color: var(--paper); letter-spacing: -.04em; }
.package-grid p { font-size: .84rem; color: #8d9091; margin: 0; line-height: 1.6; }

/* Unboxing Package Right Section Video Animation Overlay */
.package-video-container {
  position: absolute;
  top: clamp(60px, 12vw, 140px);
  right: clamp(10px, 4vw, 100px);
  width: min(700px, 52vw);
  height: clamp(350px, 45vh, 550px);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: screen;
  mask-image: radial-gradient(ellipse 85% 82% at 50% 44%, black 50%, transparent 92%);
  -webkit-mask-image: radial-gradient(ellipse 85% 82% at 50% 44%, black 50%, transparent 92%);
}

.package-video {
  width: 110%;
  height: 110%;
  object-fit: cover;
  object-position: center 28%;
  transform: scale(1.22) translateY(-5%);
  pointer-events: none;
  filter: contrast(1.05) brightness(1.02);
}

@media (max-width: 760px) {
  .site-header { padding-top: 23px; }
  .site-header nav { display: none; }
  .header-cta { margin-left: auto; }
  .intro { padding-bottom: 80px; }
  .intro h1 { font-size: clamp(4rem, 18vw, 6rem); }
  .intro-video-container {
    width: 95vw;
    height: 55vh;
    right: 50%;
    top: 55%;
    transform: translate(50%, -50%);
    opacity: 0.85;
  }
  .intro-video {
    transform: scale(1.3) translateY(-6%);
  }
  .motion { height: 440vh; }
  .motion-topline { top: 82px; }
  .hero-copy { bottom: 77px; min-height: 235px; }
  .hero-message h2 { font-size: clamp(3.3rem, 14vw, 5rem); }
  .hero-message p { margin-top: 17px; }
  .motion-bottomline { bottom: 28px; }
  .scroll-progress { width: 34vw; }
  .statement-layout, .switch-section, .lighting-section, .acoustics-layout, .architecture-layout { grid-template-columns: 1fr; }
  .statement-layout { gap: 35px; }
  .switch-section, .lighting-section { gap: 45px; }
  .switch-visual, .lighting-visual { aspect-ratio: 1.08; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats div { min-height: 135px; }
  .spec-grid, .sound-grid, .package-grid { grid-template-columns: 1fr; }
  .spec-grid article, .sound-card, .package-grid article { min-height: 180px; }
  .package-video-container {
    width: 90vw;
    height: 40vh;
    right: 50%;
    top: 80px;
    transform: translateX(50%);
    opacity: 0.8;
  }
  .package-video {
    transform: scale(1.3) translateY(-6%);
  }
  footer { gap: 18px; align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .motion { height: 100svh; }
}

/* --- StaggeredMenu Mobile Component CSS --- */
@media (min-width: 761px) {
  .sm-toggle, .staggered-menu-wrapper { display: none !important; }
}

@media (max-width: 760px) {
  .sm-toggle { display: inline-flex !important; }
  .header-cta { display: none !important; }
}

.staggered-menu-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 40;
  pointer-events: none;
}
.staggered-menu-wrapper.fixed-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9990;
  overflow: hidden;
}

.sm-toggle {
  position: relative;
  display: none;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  color: #ffffff;
  font: 500 0.72rem/1 "DM Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1;
  overflow: visible;
  z-index: 10000;
  transition: all 0.3s ease;
}
.sm-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
}
.sm-toggle:focus-visible {
  outline: 2px solid #ffffffaa;
  outline-offset: 4px;
}

.sm-toggle-textWrap {
  position: relative;
  display: inline-block;
  height: 1em;
  overflow: hidden;
  white-space: nowrap;
}
.sm-toggle-textInner {
  display: flex;
  flex-direction: column;
  line-height: 1;
  will-change: transform;
}
.sm-toggle-line {
  display: block;
  height: 1em;
  line-height: 1;
}

.sm-icon {
  position: relative;
  width: 12px;
  height: 12px;
  flex: 0 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  will-change: transform;
}
.sm-icon-line {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transform: translate(-50%, -50%);
  will-change: transform;
}

.staggered-menu-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: clamp(280px, 85vw, 400px);
  height: 100%;
  background: #121317;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: -20px 0 50px rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  padding: 6em 2em 2.5em 2em;
  overflow-y: auto;
  z-index: 10;
  pointer-events: auto;
  opacity: 0;
}
[data-position='left'] .staggered-menu-panel {
  right: auto;
  left: 0;
  border-left: none;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.sm-prelayers {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: clamp(280px, 85vw, 400px);
  pointer-events: none;
  z-index: 5;
  opacity: 0;
}
[data-position='left'] .sm-prelayers {
  right: auto;
  left: 0;
}
.sm-prelayer {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 100%;
  transform: translateX(0);
  opacity: 0;
}

.sm-panel-inner {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.sm-panel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.sm-panel-itemWrap {
  position: relative;
  overflow: hidden;
  line-height: 1.1;
}
.sm-panel-item {
  position: relative;
  color: #ffffff;
  font-family: "Manrope", sans-serif;
  font-weight: 700;
  font-size: clamp(2.2rem, 7vw, 3rem);
  cursor: pointer;
  line-height: 1.1;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  transition: color 0.25s ease;
  display: inline-block;
  text-decoration: none;
  padding-right: 1.5em;
}
.sm-panel-itemLabel {
  display: inline-block;
  will-change: transform;
  transform-origin: 50% 100%;
}
.sm-panel-item:hover, .sm-panel-item:focus-visible {
  color: var(--sm-accent, #76e4e8);
}

.sm-panel-list[data-numbering] {
  counter-reset: smItem;
}
.sm-panel-list[data-numbering] .sm-panel-item::after {
  counter-increment: smItem;
  content: counter(smItem, decimal-leading-zero);
  position: absolute;
  top: 0.2em;
  right: 0;
  font: 400 0.85rem/1 "DM Mono", monospace;
  color: var(--sm-accent, #76e4e8);
  letter-spacing: 0.05em;
  pointer-events: none;
  user-select: none;
  opacity: var(--sm-num-opacity, 0);
}

.sm-socials {
  margin-top: auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.sm-socials-title {
  margin: 0;
  font: 500 0.75rem/1 "DM Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sm-accent, #76e4e8);
}
.sm-socials-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.sm-socials-link {
  font-family: "Manrope", sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: #a7a9a9;
  text-decoration: none;
  position: relative;
  padding: 2px 0;
  display: inline-block;
  transition: color 0.3s ease, opacity 0.3s ease;
}
.sm-socials-link:hover {
  color: #ffffff;
}

/* --- ScrollStack Component CSS (#architecture) --- */
.scroll-stack-scroller {
  position: relative;
  width: 100%;
  margin: 0 auto;
}

.scroll-stack-inner {
  position: relative;
  width: 100%;
  padding: 2rem 0 10rem 0;
}

.scroll-stack-card {
  position: sticky;
  top: 130px;
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform-origin: top center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.85);
  min-height: clamp(380px, 45vh, 480px);
  width: min(100%, 1050px);
  margin: 0 auto 35vh auto;
  padding: clamp(2.5rem, 5vw, 4rem);
  border-radius: 36px;
  box-sizing: border-box;
  background: #14161d;
  border: 1px solid rgba(255, 255, 255, 0.18);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(30px, 5vw, 60px);
  align-items: center;
  overflow: hidden;
}

.stack-card-img-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateZ(0);
}
.stack-card-img-wrap img {
  max-width: 100%;
  max-height: 330px;
  object-fit: contain;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
}
.scroll-stack-card:hover .stack-card-img-wrap img {
  transform: scale(1.06) translateY(-4px);
}

.stack-card-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.stack-card-num {
  color: var(--cyan, #76e4e8);
  font: 600 0.78rem/1 "DM Mono", monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.stack-card-title {
  margin: 0;
  font-family: "Manrope", sans-serif;
  font-size: clamp(2rem, 3.8vw, 2.8rem);
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.04em;
  line-height: 1.08;
}
.stack-card-desc {
  margin: 0;
  color: #b0b3b3;
  font-size: clamp(1rem, 1.35vw, 1.1rem);
  line-height: 1.7;
}

.scroll-stack-end {
  width: 100%;
  height: 1px;
}

@media (max-width: 760px) {
  .scroll-stack-card {
    top: 80px;
    grid-template-columns: 1fr;
    padding: 2.2rem 1.6rem;
    min-height: auto;
    gap: 24px;
    margin: 0 auto 25vh auto;
  }
  .stack-card-img-wrap {
    min-height: 190px;
  }
  .stack-card-img-wrap img {
    max-height: 210px;
  }
}