:root {
  color-scheme: light;
  --paper: #f3f1e9;
  --paper-strong: #e8e4d8;
  --surface: #fbfaf5;
  --ink: #111411;
  --muted: #5d635c;
  --line: rgba(17, 20, 17, 0.16);
  --line-soft: rgba(17, 20, 17, 0.09);
  --night: #0c100e;
  --night-2: #121814;
  --night-3: #1a211c;
  --night-line: rgba(245, 241, 225, 0.16);
  --night-muted: #aeb7af;
  --yellow: #f4c733;
  --yellow-bright: #ffdc5e;
  --yellow-deep: #8b6800;
  --font: "Be Vietnam Pro", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --content-max: 1400px;
  --gutter: clamp(20px, 3.4vw, 72px);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --header-height: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: var(--header-height); }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body, button, input, textarea { font-family: var(--font); }
body, button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img, svg, canvas { display: block; max-width: 100%; }
img { height: auto; }
h1, h2, h3, p, figure { margin-top: 0; }
h1, h2, h3 { letter-spacing: -0.045em; }
h1, h2 { text-wrap: balance; }
p { text-wrap: pretty; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 4px;
}

* { --scrollbar-thumb: transparent; }
*:hover { --scrollbar-thumb: color-mix(in srgb, currentColor 18%, transparent); }
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { border-radius: 999px; background: var(--scrollbar-thumb); }

.shell {
  width: calc(100% - (var(--gutter) * 2));
  max-width: var(--content-max);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 80;
  top: 0;
  height: var(--header-height);
  border-bottom: 1px solid var(--night-line);
  background: rgba(12, 16, 14, 0.93);
  color: #f8f5e9;
  backdrop-filter: blur(18px);
}

.nav-wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 11px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 11px;
  background: var(--yellow);
  color: var(--ink);
}

.brand-mark svg { width: 22px; height: 22px; }
.brand-name { white-space: nowrap; }

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 34px);
  color: #c6cdc7;
  font-size: 13px;
  font-weight: 500;
}

.site-nav a:not(.nav-cta) {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}

.site-nav a:not(.nav-cta):hover,
.site-nav a[aria-current="page"] {
  border-color: var(--yellow);
  color: #fffdf4;
}

.site-nav .nav-cta[aria-current="page"] {
  border-color: transparent;
  color: var(--ink);
}

.nav-cta,
.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.25;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.nav-cta,
.button--yellow { background: var(--yellow); color: var(--ink); }
.nav-cta:hover,
.button--yellow:hover { background: var(--yellow-bright); }
.button--outline { border-color: rgba(248, 245, 233, 0.35); color: #f8f5e9; }
.button--outline:hover { border-color: #f8f5e9; background: rgba(255, 255, 255, 0.06); }
.button--dark { background: var(--ink); color: #fffdf4; }
.button--dark:hover { background: #272d28; }

.language-toggle {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border: 1px solid rgba(248, 245, 233, 0.18);
  border-radius: 999px;
  background: transparent;
  color: #aeb7af;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.language-toggle [data-language-option] { padding: 2px 4px; border-radius: 5px; }
html[data-language="vi"] .language-toggle [data-language-option="vi"],
html[data-language="en"] .language-toggle [data-language-option="en"] { background: var(--yellow); color: var(--ink); }
.language-divider { opacity: 0.9; }

.menu-toggle {
  width: 44px;
  height: 44px;
  display: none;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  width: 22px;
  height: 1px;
  display: block;
  margin: 6px auto;
  background: #f8f5e9;
  transition: transform 180ms ease;
}

.eyebrow,
.section-label,
.stage-topline,
.micro-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.35;
  text-transform: uppercase;
}

.eyebrow { margin-bottom: 22px; color: var(--yellow); }
.section-label { margin-bottom: 18px; color: var(--yellow-deep); }
.micro-label { color: var(--muted); }

.hero,
.subhero {
  position: relative;
  overflow: hidden;
  background: var(--night);
  color: #f8f5e9;
}

.hero::before,
.subhero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  content: "";
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  min-height: calc(100svh - var(--header-height));
  display: grid;
  grid-template-columns: minmax(0, 0.83fr) minmax(520px, 1.17fr);
  gap: clamp(28px, 3vw, 64px);
  align-items: center;
  padding-block: clamp(46px, 5vw, 82px);
}

.hero-copy { max-width: 720px; }
.hero h1,
.subhero h1 {
  margin-bottom: 28px;
  font-size: clamp(3rem, 4.1vw, 4.8rem);
  font-weight: 650;
  line-height: 1.04;
}

.hero h1 { max-width: 13ch; }
.hero h1 em,
.subhero h1 em,
.display-title em { color: var(--yellow); font-style: normal; }

.hero-lede,
.subhero-lede {
  max-width: 680px;
  margin-bottom: 30px;
  color: #b8c2ba;
  font-size: clamp(1rem, 1.15vw, 1.16rem);
  line-height: 1.75;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-products { margin: 30px 0 0; color: #7f8b82; font-size: 12px; letter-spacing: 0.06em; }

.scene-stage {
  position: relative;
  min-width: 0;
  min-height: min(720px, calc(100svh - var(--header-height) - 56px));
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: radial-gradient(circle at 52% 48%, rgba(244, 199, 51, 0.16), transparent 40%);
}

.scene-stage::after {
  display: none;
}

.stage-topline {
  position: absolute;
  z-index: 4;
  top: 18px;
  right: var(--gutter);
  left: 8%;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: #aab4ac;
}

.stage-topline span:first-child { display: inline-flex; align-items: center; gap: 8px; }
.stage-topline span:first-child::before { width: 7px; height: 7px; border-radius: 50%; background: var(--yellow); content: ""; }
.scene-canvas { position: absolute; z-index: 1; inset: 0; width: 100%; height: 100%; }

.scene-fallback {
  position: absolute;
  z-index: 0;
  top: 50%;
  left: 50%;
  width: min(62%, 430px);
  aspect-ratio: 1;
  border: 1px solid rgba(244, 199, 51, 0.42);
  border-radius: 46% 54% 60% 40%;
  box-shadow: inset 0 0 70px rgba(244, 199, 51, 0.1), 0 0 90px rgba(244, 199, 51, 0.08);
  transform: translate(-50%, -50%) rotate(16deg);
  transition: opacity 300ms ease;
}

.scene-fallback::before,
.scene-fallback::after {
  position: absolute;
  inset: 14%;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 50%;
  content: "";
}
.scene-fallback::after { inset: 31%; border-color: var(--yellow); }
.scene-stage.is-ready .scene-fallback { opacity: 0; }

.stage-tag {
  position: absolute;
  z-index: 4;
  width: 150px;
  padding: 13px 14px;
  border-left: 2px solid var(--yellow);
  background: rgba(12, 16, 14, 0.58);
  backdrop-filter: blur(12px);
}

.stage-tag small { display: block; margin-bottom: 4px; color: var(--yellow); font-size: 10px; letter-spacing: 0.12em; }
.stage-tag strong { display: block; font-size: 13px; letter-spacing: 0.04em; }
.stage-tag span { display: block; margin-top: 2px; color: #9ca79f; font-size: 11px; text-wrap: balance; }
.stage-tag--one { top: 25%; left: 4%; }
.stage-tag--two { top: 46%; right: var(--gutter); }
.stage-tag--three { bottom: 12%; left: 17%; }
.stage-caption { position: absolute; z-index: 4; right: var(--gutter); bottom: 18px; max-width: 220px; color: #79857c; font-size: 10px; letter-spacing: 0.11em; text-align: right; text-transform: uppercase; }

.product-rail {
  border-top: 1px solid var(--night-line);
  border-bottom: 1px solid var(--night-line);
  background: var(--night);
  color: #f8f5e9;
}

.rail-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.rail-item { min-width: 0; padding: 22px 26px 24px 0; border-right: 1px solid var(--night-line); }
.rail-item + .rail-item { padding-left: 26px; }
.rail-item:last-child { border-right: 0; }
.rail-item small { display: block; margin-bottom: 5px; color: #778279; font-size: 10px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.rail-item strong { font-size: 15px; letter-spacing: -0.02em; }

.section-block { padding-block: clamp(68px, 7vw, 112px); }
.section-block--surface { background: var(--paper); }
.section-block--night { background: var(--night); color: #f8f5e9; }
.section-block--yellow { background: var(--yellow); }
.section-block--yellow .section-label { color: #4f3a00; }
.section-block--yellow .display-title em { color: #664b00; }

.section-heading {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(32px, 7vw, 120px);
  align-items: start;
  margin-bottom: clamp(40px, 5vw, 72px);
}

.display-title {
  max-width: 15ch;
  margin-bottom: 0;
  font-size: clamp(2.25rem, 3.8vw, 4.25rem);
  font-weight: 650;
  line-height: 1.08;
}
.section-summary { max-width: 720px; margin: 4px 0 0; color: var(--muted); font-size: clamp(1rem, 1.25vw, 1.18rem); line-height: 1.75; }
.section-block--night .section-summary { color: var(--night-muted); }

.product-runway { border-top: 1px solid var(--line); }
.product-story {
  min-height: 640px;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  border-bottom: 1px solid var(--line);
}
.product-story:nth-child(even) { grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr); }
.product-story:nth-child(even) .product-story-copy { order: 2; }
.product-story:nth-child(even) .product-story-media { order: 1; }
.product-story-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(38px, 6vw, 110px) var(--gutter); }
.product-story-copy > * { max-width: 620px; }
.product-story-index { margin-bottom: 54px; color: var(--yellow-deep); font-size: 12px; font-weight: 700; letter-spacing: 0.12em; }
.product-story h3 { margin-bottom: 12px; font-size: clamp(2.4rem, 4vw, 4.8rem); font-weight: 650; line-height: 1; }
.product-story-subtitle { margin-bottom: 20px; color: var(--ink); font-size: clamp(1.05rem, 1.4vw, 1.3rem); font-weight: 600; }
.product-story-text { margin-bottom: 28px; color: var(--muted); }
.text-link { width: fit-content; min-height: 38px; display: inline-flex; align-items: center; gap: 12px; border-bottom: 1px solid currentColor; font-size: 13px; font-weight: 700; }
.product-story-media { position: relative; min-height: 520px; overflow: hidden; background: var(--night-2); }
.product-story-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 700ms cubic-bezier(.2,.7,.2,1); }
.product-story:hover .product-story-media img { transform: scale(1.025); }
.media-note { position: absolute; right: 18px; bottom: 16px; padding: 7px 10px; border-radius: 8px; background: rgba(12,16,14,0.78); color: #e7ece7; font-size: 10px; }

/* Scroll-led product story */
.product-experience {
  position: relative;
  overflow: clip;
  background: var(--night);
  color: #f8f5e9;
}

.product-experience::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.026) 1px, transparent 1px);
  background-size: 72px 72px;
  content: "";
  pointer-events: none;
}

.product-experience-heading {
  position: relative;
  z-index: 3;
  margin-bottom: 0;
  padding-block: clamp(78px, 8vw, 124px) clamp(48px, 5vw, 72px);
  border-bottom: 1px solid var(--night-line);
}

.product-experience .section-label { color: var(--yellow); }
.product-experience .section-summary { color: var(--night-muted); }
.product-experience-layout {
  position: relative;
  z-index: 2;
  width: calc(100% - (var(--gutter) * 2));
  max-width: var(--content-max);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(440px, 0.92fr);
  margin-inline: auto;
}

.product-scene-column {
  position: relative;
  min-width: 0;
  border-right: 1px solid var(--night-line);
}

.scene-stage--journey {
  position: sticky;
  top: var(--header-height);
  height: calc(100svh - var(--header-height));
  min-height: 620px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 48%, rgba(244,199,51,0.17), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,0.018), transparent 58%);
}

.scene-stage--journey::before {
  position: absolute;
  z-index: 0;
  inset: 9% 8%;
  border-top: 1px solid rgba(244,199,51,0.2);
  border-bottom: 1px solid rgba(244,199,51,0.12);
  content: "";
  pointer-events: none;
}

.journey-orbit-label,
.journey-current,
.journey-axis {
  position: absolute;
  z-index: 4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.journey-orbit-label { top: 28px; left: var(--gutter); color: var(--yellow); font-size: 12px; font-weight: 700; }
.journey-orbit-label span:last-child { margin-left: 4px; color: #aeb7af; }
.journey-current { right: var(--gutter); bottom: 32px; color: #f8f5e9; font-size: clamp(1rem, 1.4vw, 1.35rem); font-weight: 600; }
.journey-axis { top: 50%; left: 22px; display: grid; gap: 15vh; color: #9ca79f; font-size: 9px; transform: translateY(-50%); writing-mode: vertical-rl; }

.product-chapters { min-width: 0; }
.product-chapter {
  min-height: 82svh;
  display: grid;
  align-content: center;
  gap: 28px;
  padding: clamp(54px, 6vw, 92px) var(--gutter);
  border-left: 2px solid transparent;
  border-bottom: 1px solid var(--night-line);
  transition: border-color 260ms ease, opacity 260ms ease;
}

.product-chapter:last-child { border-bottom: 0; }
.product-experience.is-3d-ready .product-chapter { opacity: 0.72; }
.product-experience.is-3d-ready .product-chapter.is-active { border-left-color: var(--yellow); opacity: 1; }
.product-chapter-copy { max-width: 640px; }
.product-chapter h3 { margin-bottom: 12px; font-size: clamp(2.65rem, 4.4vw, 5.1rem); font-weight: 650; line-height: 1; }
.product-chapter .product-story-index { display: block; margin-bottom: 38px; color: var(--yellow); }
.product-chapter .product-story-subtitle { color: #f8f5e9; }
.product-chapter .product-story-text { max-width: 590px; color: var(--night-muted); }
.product-chapter .text-link { color: var(--yellow); }
.product-chapter-media {
  position: relative;
  width: min(100%, 540px);
  aspect-ratio: 16 / 7;
  margin: 0;
  overflow: hidden;
  border-top: 1px solid rgba(244,199,51,0.45);
  background: var(--night-2);
}
.product-chapter-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.72) contrast(1.04); }

.editorial-band-wrap {
  background: var(--night);
}

.editorial-band {
  width: 100%;
  min-height: clamp(500px, 33.333vw, 720px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
}
.editorial-copy .section-label { color: #4f3a00; }
.editorial-band figure { position: relative; min-height: 100%; margin: 0; overflow: hidden; }
.editorial-band figure img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.editorial-copy {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 72px;
  padding: clamp(58px, 6vw, 96px) max(var(--gutter), calc((100vw - var(--content-max)) / 2)) clamp(58px, 6vw, 96px) clamp(48px, 5vw, 84px);
  background: var(--yellow);
}
.editorial-quote { max-width: 12ch; margin-bottom: 0; font-size: clamp(2.3rem, 4vw, 4.6rem); font-weight: 650; line-height: 1.08; letter-spacing: -0.05em; }
.editorial-copy p:last-child { max-width: 580px; margin-bottom: 0; color: #594400; }

.process-layout { display: grid; grid-template-columns: minmax(260px, 0.65fr) minmax(0, 1.35fr); gap: clamp(40px, 7vw, 120px); }
.process-intro { max-width: 520px; }
.process-list { border-top: 1px solid var(--night-line); }
.process-row { display: grid; grid-template-columns: 72px minmax(0, 1fr) auto; gap: 24px; align-items: start; padding: 30px 0; border-bottom: 1px solid var(--night-line); }
.process-row > span { color: var(--yellow); font-size: 11px; letter-spacing: 0.12em; }
.process-row h3 { margin-bottom: 8px; font-size: clamp(1.4rem, 1.9vw, 2rem); font-weight: 600; }
.process-row p { max-width: 620px; margin-bottom: 0; color: var(--night-muted); }
.process-row svg { width: 22px; height: 22px; color: #68746c; }

.cta-panel {
  min-height: 340px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 50px;
  align-items: end;
  padding-block: clamp(70px, 8vw, 130px);
}
.cta-panel .display-title { max-width: 16ch; }
.cta-panel-copy { max-width: 520px; justify-self: end; }
.cta-panel-copy p { color: #5a4500; }

/* Inner pages */
.subhero-inner {
  position: relative;
  z-index: 1;
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(460px, 1.12fr);
  gap: clamp(48px, 7vw, 120px);
  align-items: center;
  padding-block: clamp(70px, 8vw, 125px);
}
.subhero-copy { max-width: 760px; }
.subhero h1 { max-width: 14ch; }
.subhero .scene-stage { min-height: 480px; }

.split-story { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(46px, 8vw, 150px); align-items: start; }
.split-story-copy { max-width: 700px; }
.split-story-copy p { color: var(--muted); font-size: 1.05rem; }
.split-story-copy p + p { margin-top: 22px; }
.photo-frame { position: relative; height: clamp(430px, 45vw, 680px); overflow: hidden; border-radius: var(--radius-md); background: var(--night-2); }
.photo-frame img { width: 100%; height: 100%; object-fit: cover; }

.statement-section { padding-block: clamp(72px, 8vw, 128px); background: var(--yellow); }
.statement-text { max-width: 19ch; margin: 0; font-size: clamp(2.45rem, 5vw, 5.8rem); font-weight: 650; line-height: 1.08; letter-spacing: -0.055em; }

.values-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--night-line); }
.value-card { min-height: 300px; padding: 32px 34px 36px 0; border-right: 1px solid var(--night-line); }
.value-card + .value-card { padding-left: 34px; }
.value-card:last-child { border-right: 0; }
.value-card > span { color: var(--yellow); font-size: 11px; letter-spacing: 0.12em; }
.value-card h3 { max-width: 13ch; margin: 52px 0 16px; font-size: clamp(1.6rem, 2.2vw, 2.35rem); font-weight: 600; line-height: 1.15; }
.value-card p { max-width: 390px; margin-bottom: 0; color: var(--night-muted); }

.identity-panel { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(50px, 9vw, 160px); }
.identity-list { border-top: 1px solid var(--line); }
.identity-row { display: grid; grid-template-columns: minmax(140px, 0.5fr) minmax(0, 1fr); gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.identity-row span { color: var(--muted); font-size: 12px; font-weight: 600; text-transform: uppercase; }
.identity-row strong { font-weight: 600; }

.product-detail { display: grid; grid-template-columns: minmax(320px, 0.78fr) minmax(0, 1.22fr); min-height: 580px; border-bottom: 1px solid var(--line); }
.product-detail:nth-child(even) { grid-template-columns: minmax(0, 1.22fr) minmax(320px, 0.78fr); }
.product-detail:nth-child(even) .product-detail-copy { order: 2; }
.product-detail:nth-child(even) .product-detail-media { order: 1; }
.product-detail-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(50px, 7vw, 120px) var(--gutter); }
.product-detail-copy > * { max-width: 620px; }
.product-detail h2 { margin-bottom: 14px; font-size: clamp(2.6rem, 4.7vw, 5.7rem); font-weight: 650; line-height: 1; }
.product-detail-subtitle { color: var(--ink); font-size: clamp(1.05rem, 1.35vw, 1.25rem); font-weight: 600; }
.product-detail-copy p:not(.section-label):not(.product-detail-subtitle) { color: var(--muted); }
.product-detail-media { position: relative; min-height: 500px; overflow: hidden; background: var(--night); }
.product-detail-media img { width: 100%; height: 100%; object-fit: cover; }
.product-detail-status { width: fit-content; margin-top: 28px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: 0.11em; }

.system-map { position: relative; min-height: 520px; overflow: hidden; border-top: 1px solid var(--night-line); border-bottom: 1px solid var(--night-line); border-radius: 0; background: radial-gradient(circle at 50% 50%, rgba(244,199,51,0.14), transparent 42%); }
.system-map .scene-canvas { z-index: 1; }
.system-map .scene-fallback { z-index: 0; }
.system-map.is-ready .scene-fallback { opacity: 0; }
.system-map::before, .system-map::after { position: absolute; inset: 14%; border: 1px solid rgba(244,199,51,0.28); border-radius: 50%; content: ""; }
.system-map::after { inset: 29%; border-color: rgba(255,255,255,0.12); }
.system-node { position: absolute; z-index: 2; min-width: 150px; padding: 14px; border-left: 2px solid var(--yellow); background: rgba(12,16,14,0.84); }
.system-node strong { display: block; font-size: 14px; }
.system-node span { color: var(--night-muted); font-size: 12px; }
.system-node--one { top: 18%; left: 10%; }
.system-node--two { top: 45%; right: 9%; }
.system-node--three { bottom: 15%; left: 25%; }

.process-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.process-card { min-height: 320px; padding: 30px 30px 38px 0; border-right: 1px solid var(--line); }
.process-card + .process-card { padding-left: 30px; }
.process-card:last-child { border-right: 0; }
.process-card > span { color: var(--yellow-deep); font-size: 11px; font-weight: 700; letter-spacing: 0.12em; }
.process-card h2 { margin: 56px 0 16px; font-size: clamp(1.55rem, 2vw, 2.2rem); font-weight: 600; line-height: 1.15; }
.process-card p { margin-bottom: 0; color: var(--muted); }

.principles-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--night-line); border-bottom: 1px solid var(--night-line); }
.principle-chip { min-height: 160px; display: flex; align-items: center; justify-content: center; padding: 30px; border-right: 1px solid var(--night-line); color: #f8f5e9; font-size: clamp(1.05rem, 1.4vw, 1.25rem); font-weight: 600; text-align: center; }
.principle-chip:last-child { border-right: 0; }

.contact-layout { display: grid; grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr); gap: clamp(50px, 10vw, 170px); align-items: start; }
.contact-intro { max-width: 500px; }
.contact-intro .display-title { font-size: clamp(2rem, 3.1vw, 3.5rem); }
.contact-form { padding: clamp(26px, 4vw, 52px); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.field { display: grid; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 12px; font-weight: 700; }
.field input, .field textarea { width: 100%; border: 1px solid rgba(17,20,17,0.24); border-radius: var(--radius-sm); background: #fff; color: var(--ink); font-size: 16px; }
.field input { height: 48px; padding: 0 14px; }
.field textarea { min-height: 170px; padding: 14px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--ink); outline: 2px solid rgba(244,199,51,0.32); }
.form-actions { display: flex; align-items: center; gap: 18px; margin-top: 24px; }
.form-status { margin: 0; color: var(--muted); font-size: 12px; }

.contact-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--night-line); }
.contact-option { min-height: 270px; padding: 32px 30px 36px 0; border-right: 1px solid var(--night-line); }
.contact-option + .contact-option { padding-left: 30px; }
.contact-option:last-child { border-right: 0; }
.contact-option span { color: var(--yellow); font-size: 11px; letter-spacing: 0.12em; }
.contact-option h3 { margin: 62px 0 12px; font-size: 1.7rem; font-weight: 600; }
.contact-option p { color: var(--night-muted); }

.site-footer { padding: clamp(64px, 7vw, 110px) 0 28px; background: #080b09; color: #edf1ec; }
.footer-main { display: grid; grid-template-columns: minmax(300px, 1.45fr) repeat(3, minmax(150px, 0.55fr)); gap: clamp(34px, 6vw, 110px); padding-bottom: 64px; }
.footer-brand { max-width: 540px; }
.footer-brand .brand { margin-bottom: 26px; }
.footer-legal { margin-bottom: 12px; color: #edf1ec; font-size: 14px; font-weight: 600; }
.footer-description { max-width: 500px; margin-bottom: 26px; color: #8e9a91; font-size: 13px; }
.footer-domain { min-height: 32px; display: inline-flex; align-items: center; gap: 9px; color: var(--yellow); font-size: 13px; font-weight: 600; }
.footer-domain::before { width: 7px; height: 7px; border-radius: 50%; background: var(--yellow); content: ""; }
.footer-column h2 { margin: 4px 0 22px; color: #7f8b82; font-size: 10px; font-weight: 700; letter-spacing: 0.13em; text-transform: uppercase; }
.footer-column ul { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.footer-column a, .footer-column li { color: #c9d0ca; font-size: 13px; }
.footer-column a:hover { color: var(--yellow); }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; padding-top: 24px; border-top: 1px solid var(--night-line); color: #728078; font-size: 11px; }

.reveal { opacity: 1; transform: none; }
.hero .reveal,
.subhero .reveal { animation: reveal-in 620ms ease both; }
.hero .reveal--delay-short,
.subhero .reveal--delay-short { animation-delay: 80ms; }
.hero .reveal--delay,
.subhero .reveal--delay { animation-delay: 150ms; }

@keyframes reveal-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 1120px) {
  .site-nav { gap: 16px; }
  .hero-inner, .subhero-inner { grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr); }
  .hero h1, .subhero h1 { font-size: clamp(2.8rem, 5vw, 4.5rem); }
  .scene-stage { min-height: 540px; }
  .product-experience-layout { grid-template-columns: minmax(0, 0.95fr) minmax(390px, 1.05fr); }
  .product-chapter { min-height: 76svh; }
  .product-story, .product-story:nth-child(even), .product-detail, .product-detail:nth-child(even) { grid-template-columns: 1fr 1fr; }
  .footer-main { grid-template-columns: 1.25fr repeat(3, 0.5fr); gap: 34px; }
  html[data-language="en"] .subhero h1 { font-size: clamp(2.35rem, 3.7vw, 4.1rem); }
  .process-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-card:nth-child(2) { border-right: 0; }
  .process-card:nth-child(n+3) { border-top: 1px solid var(--line); }
}

@media (max-width: 900px) {
  :root { --header-height: 70px; }
  .menu-toggle { display: block; }
  .site-nav {
    position: fixed;
    z-index: 90;
    top: var(--header-height);
    right: 0;
    left: 0;
    max-height: 0;
    display: grid;
    gap: 4px;
    overflow: hidden;
    border-bottom: 1px solid transparent;
    background: var(--night);
    opacity: 0;
    transition: max-height 300ms ease, opacity 220ms ease, padding 300ms ease, border-color 300ms ease;
  }
  .site-nav.is-open { max-height: 560px; padding: 18px var(--gutter) 24px; border-color: var(--night-line); opacity: 1; }
  .site-nav a:not(.nav-cta), .language-toggle, .nav-cta { width: 100%; justify-content: flex-start; }
  .site-nav a:not(.nav-cta) { border: 0; border-bottom: 1px solid var(--night-line); }
  .nav-cta { margin-top: 8px; justify-content: center; }
  .hero-inner, .subhero-inner { min-height: auto; grid-template-columns: 1fr; }
  .hero-inner { padding: 64px 0 40px; }
  .subhero-inner { padding-block: 70px; }
  .scene-stage, .subhero .scene-stage { min-height: 500px; }
  .hero .scene-stage { width: 100%; }
  .product-experience-layout { grid-template-columns: minmax(0, 0.88fr) minmax(360px, 1.12fr); }
  .scene-stage--journey { min-height: 560px; }
  .product-chapter { min-height: 72svh; padding-inline: 34px; }
  .section-heading, .process-layout, .split-story, .identity-panel, .contact-layout { grid-template-columns: 1fr; }
  .product-story, .product-story:nth-child(even), .product-detail, .product-detail:nth-child(even) { grid-template-columns: 1fr; }
  .product-story:nth-child(even) .product-story-copy, .product-story:nth-child(even) .product-story-media,
  .product-detail:nth-child(even) .product-detail-copy, .product-detail:nth-child(even) .product-detail-media { order: initial; }
  .product-story { min-height: 0; }
  .product-story-copy, .product-detail-copy { padding-block: 68px; }
  .product-story-media, .product-detail-media { min-height: 540px; }
  .editorial-band { grid-template-columns: 1fr; }
  .editorial-band figure { min-height: 560px; }
  .values-grid, .process-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .value-card:nth-child(2) { border-right: 0; }
  .value-card:nth-child(3) { border-top: 1px solid var(--night-line); }
  .process-card:nth-child(2) { border-right: 0; }
  .process-card:nth-child(n+3) { border-top: 1px solid var(--line); }
  .footer-main { grid-template-columns: 1.2fr 0.8fr 0.8fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  :root { --gutter: 20px; }
  body { font-size: 15px; }
  .brand-name { font-size: 14px; }
  .hero h1, .subhero h1 { font-size: clamp(2.55rem, 12vw, 3.3rem); line-height: 1.06; }
  html[data-language="en"] .subhero h1 { font-size: clamp(2.3rem, 10vw, 2.65rem); }
  h1, h2 { text-wrap: pretty; }
  .hero-copy, .subhero-copy { max-width: none; }
  .hero-lede, .subhero-lede { font-size: 1rem; }
  .hero-actions { align-items: stretch; }
  .hero-actions .button { width: 100%; }
  .scene-stage, .subhero .scene-stage { min-height: 420px; border-radius: 0; }
  .stage-topline { top: 18px; right: 18px; left: 18px; font-size: 9px; }
  .stage-tag { width: 128px; padding: 10px; }
  .stage-tag--one { top: 24%; left: 4%; }
  .stage-tag--two { top: 48%; right: 3%; }
  .stage-tag--three { bottom: 10%; left: 10%; }
  .stage-caption { display: none; }
  .rail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rail-item { padding: 18px 14px 20px 0; border-bottom: 1px solid var(--night-line); }
  .rail-item + .rail-item { padding-left: 14px; }
  .rail-item:nth-child(2) { border-right: 0; }
  .rail-item:nth-child(n+3) { border-bottom: 0; }
  .section-block { padding-block: 64px; }
  .section-heading { margin-bottom: 42px; }
  .display-title { max-width: none; font-size: clamp(2.1rem, 10vw, 3rem); }
  .product-story-copy, .product-detail-copy { padding: 54px var(--gutter); }
  .product-story-index { margin-bottom: 38px; }
  .product-story h3, .product-detail h2 { font-size: clamp(2.45rem, 13vw, 3.8rem); }
  .product-story-media, .product-detail-media { min-height: 400px; }
  .product-experience-heading { padding-block: 64px 42px; }
  .product-experience-layout { display: grid; grid-template-columns: minmax(0, 1fr); }
  .product-scene-column {
    grid-area: 1 / 1;
    position: sticky;
    z-index: 5;
    top: var(--header-height);
    height: 46svh;
    align-self: start;
    border-right: 0;
    border-bottom: 1px solid var(--night-line);
    background: var(--night);
  }
  .scene-stage--journey { position: relative; top: 0; height: 100%; min-height: 0; }
  .journey-axis { display: none; }
  .journey-orbit-label { top: 18px; left: var(--gutter); }
  .journey-current { right: var(--gutter); bottom: 18px; }
  .product-chapters { grid-area: 1 / 1; position: relative; z-index: 4; min-width: 0; background: transparent; }
  .product-chapter {
    min-height: 100svh;
    gap: 24px;
    padding: calc(46svh + 52px) var(--gutter) 68px;
    background: linear-gradient(180deg, transparent 0, transparent 46svh, var(--night) 46svh, var(--night) 100%);
  }
  .product-chapter h3 { font-size: clamp(2.5rem, 13vw, 3.8rem); }
  .product-chapter .product-story-index { margin-bottom: 32px; }
  .product-chapter-media { aspect-ratio: 16 / 8.5; }
  .editorial-band figure, .photo-frame { min-height: 430px; }
  .editorial-copy { gap: 48px; padding-block: 60px; }
  .process-row { grid-template-columns: 48px minmax(0, 1fr); gap: 14px; }
  .process-row svg { display: none; }
  .cta-panel { min-height: 0; grid-template-columns: 1fr; align-items: start; }
  .cta-panel-copy { justify-self: start; }
  .values-grid, .process-grid, .principles-strip, .contact-options { grid-template-columns: 1fr; }
  .value-card, .value-card + .value-card, .process-card, .process-card + .process-card, .contact-option, .contact-option + .contact-option { min-height: 0; padding: 28px 0 34px; border-right: 0; border-bottom: 1px solid var(--night-line); }
  .process-card, .process-card + .process-card { border-bottom-color: var(--line); }
  .value-card h3, .process-card h2, .contact-option h3 { margin-top: 38px; }
  .principle-chip { min-height: 110px; border-right: 0; border-bottom: 1px solid var(--night-line); }
  .principle-chip:last-child { border-bottom: 0; }
  .identity-row { grid-template-columns: 1fr; gap: 5px; }
  .form-grid { grid-template-columns: 1fr; }
  .field--full { grid-column: auto; }
  .form-actions { align-items: stretch; flex-direction: column; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 42px 22px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
  .reveal { opacity: 1; transform: none; }
  .product-story:hover .product-story-media img { transform: none; }
}

/* 2026-10 visual refinement: distinct 3D models, uncropped media, page-specific layouts */
.hero .scene-stage,
.subhero .scene-stage {
  min-height: min(600px, calc(100svh - var(--header-height) - 82px));
}

.stage-tag {
  width: 136px;
  padding: 11px 12px;
  background: rgba(12, 16, 14, 0.68);
}

.page-home .hero .stage-tag--one,
.page-products .subhero .stage-tag--one {
  top: 25%;
  left: 3%;
}

.page-home .hero .stage-tag--two,
.page-products .subhero .stage-tag--two {
  top: auto;
  right: auto;
  bottom: 14%;
  left: 43%;
}

.page-home .hero .stage-tag--three,
.page-products .subhero .stage-tag--three {
  top: 42%;
  right: 1%;
  bottom: auto;
  left: auto;
}

.product-experience-layout {
  grid-template-columns: minmax(360px, 0.82fr) minmax(520px, 1.18fr);
}

.scene-stage--journey {
  min-height: 560px;
  background:
    radial-gradient(circle at 50% 48%, rgba(244,199,51,0.11), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,0.012), transparent 58%);
}

.scene-stage--journey::before { inset: 12% 10%; }
.journey-axis { left: 18px; gap: 12vh; }
.product-chapter { min-height: 74svh; }
.product-chapter h3 { font-size: clamp(2.55rem, 3.8vw, 4.55rem); }

.product-chapter-media {
  width: min(100%, 570px);
  aspect-ratio: 3 / 2;
  padding: 10px;
  background: #151a16;
}

.product-chapter-media img,
.product-detail-media img,
.photo-frame img {
  object-fit: contain;
  object-position: center;
}

.product-catalogue {
  background: var(--paper);
}

.product-catalogue-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding-block: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--line);
}

.product-detail,
.product-detail:nth-child(even) {
  min-height: 0;
  display: flex;
  flex-direction: column;
  border: 0;
  background: var(--paper);
}

.product-detail .product-detail-media,
.product-detail:nth-child(even) .product-detail-media {
  order: 1;
}

.product-detail .product-detail-copy,
.product-detail:nth-child(even) .product-detail-copy {
  order: 2;
}

.product-detail-media {
  min-height: 0;
  aspect-ratio: 3 / 2;
  padding: 12px;
  background: var(--paper-strong);
}

.product-detail-copy {
  min-height: 430px;
  display: flex;
  justify-content: flex-start;
  padding: 36px 32px 42px;
}

.product-detail h2 {
  margin-bottom: 12px;
  font-size: clamp(2.3rem, 3vw, 3.5rem);
}

.product-detail-status { margin-top: auto; }
.product-detail .text-link { margin-top: 16px; }

.system-map {
  min-height: 480px;
  background: radial-gradient(circle at 50% 50%, rgba(244,199,51,0.09), transparent 38%);
}
.system-map::before,
.system-map::after { display: none; }

.system-node--one { top: 22%; left: 2%; }
.system-node--two { top: auto; right: auto; bottom: 12%; left: 42%; }
.system-node--three { top: 42%; right: 1%; bottom: auto; left: auto; }

.photo-frame {
  height: auto;
  aspect-ratio: 3 / 2;
  border-radius: 0;
  background: var(--paper-strong);
}

.editorial-band { align-items: stretch; }
.editorial-band figure {
  min-height: 100%;
  aspect-ratio: auto;
  background: var(--night);
}
.editorial-copy { gap: 46px; padding-block: clamp(48px, 5vw, 82px); }

.scene-stage--inline {
  min-height: 390px;
  height: 390px;
  margin-bottom: 0;
  overflow: hidden;
  border-top: 1px solid var(--night-line);
  border-bottom: 1px solid var(--night-line);
  background: radial-gradient(circle at 50% 50%, rgba(244,199,51,0.1), transparent 32%);
}

.values-visual { margin-top: 6px; }
.page-about .values-grid { border-top: 0; }
.page-about .value-card { min-height: 270px; }

.process-stage-layout {
  display: grid;
  grid-template-columns: minmax(360px, 0.82fr) minmax(0, 1.18fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.process-scene-column {
  position: relative;
  min-width: 0;
  border-right: 1px solid var(--line);
  background: var(--night);
}

.scene-stage--process {
  position: sticky;
  top: var(--header-height);
  height: calc(100svh - var(--header-height));
  min-height: 560px;
  overflow: hidden;
  background: radial-gradient(circle at 50% 50%, rgba(244,199,51,0.12), transparent 34%);
}

.process-stage-layout .process-grid {
  display: block;
  border-top: 0;
}

.process-stage-layout .process-card,
.process-stage-layout .process-card + .process-card {
  min-height: 44svh;
  padding: clamp(42px, 5vw, 72px);
  border: 0;
  border-bottom: 1px solid var(--line);
}

.process-stage-layout .process-card:last-child { border-bottom: 0; }
.process-stage-layout .process-card h2 { max-width: 18ch; margin: 38px 0 14px; }
.process-stage-layout .process-card p { max-width: 560px; }

.page-contact .contact-form {
  border: 0;
  border-top: 3px solid var(--yellow);
  border-radius: 0;
  background: var(--paper-strong);
}
.page-contact .contact-layout { align-items: center; }
.page-contact .contact-option { min-height: 230px; }
.page-contact .contact-option h3 { margin-top: 44px; }

@media (max-width: 1120px) {
  .product-experience-layout { grid-template-columns: minmax(320px, 0.76fr) minmax(430px, 1.24fr); }
  .product-catalogue-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-detail:last-child { grid-column: 1 / -1; }
  .product-detail:last-child .product-detail-media { aspect-ratio: 2 / 1; }
  .process-stage-layout { grid-template-columns: minmax(320px, 0.78fr) minmax(0, 1.22fr); }
}

@media (max-width: 900px) {
  .product-experience-layout,
  .editorial-band {
    width: 100%;
    min-height: 0;
    max-width: none;
  }
  .hero .scene-stage,
  .subhero .scene-stage { min-height: 430px; }
  .product-experience-layout { grid-template-columns: minmax(300px, 0.82fr) minmax(360px, 1.18fr); }
  .product-chapter { min-height: 68svh; padding-inline: 30px; }
  .product-catalogue-grid { grid-template-columns: 1fr; }
  .product-detail,
  .product-detail:nth-child(even),
  .product-detail:last-child {
    grid-column: auto;
    display: grid;
    grid-template-columns: minmax(280px, 0.92fr) minmax(0, 1.08fr);
  }
  .product-detail:last-child .product-detail-media,
  .product-detail-media { aspect-ratio: 3 / 2; }
  .product-detail-copy { min-height: 0; padding: 36px; }
  .process-stage-layout { grid-template-columns: minmax(300px, 0.82fr) minmax(0, 1.18fr); }
  .process-stage-layout .process-card { min-height: 50svh; }
  .editorial-band figure { min-height: 0; aspect-ratio: 3 / 2; }
  .editorial-copy { padding-inline: var(--gutter); }
}

@media (max-width: 640px) {
  .hero .scene-stage,
  .subhero .scene-stage { min-height: 360px; }
  .stage-tag { width: 116px; }
  .product-experience-layout { display: block; }
  .product-scene-column { grid-area: auto; height: 42svh; }
  .scene-stage--journey { height: 100%; min-height: 0; }
  .product-chapters { grid-area: auto; background: var(--night); }
  .product-chapter {
    min-height: 0;
    align-content: start;
    padding: 44px var(--gutter) 62px;
    background: var(--night);
  }
  .product-chapter-media { padding: 6px; }
  .product-detail,
  .product-detail:nth-child(even),
  .product-detail:last-child { display: flex; }
  .product-detail-copy { min-height: 0; padding: 34px 22px 40px; }
  .product-detail-media { padding: 6px; }
  .scene-stage--inline { height: 320px; min-height: 320px; }
  .process-stage-layout { display: block; }
  .process-scene-column { border-right: 0; border-bottom: 1px solid var(--line); }
  .scene-stage--process { position: relative; top: 0; height: 340px; min-height: 340px; }
  .process-stage-layout .process-card,
  .process-stage-layout .process-card + .process-card { min-height: 0; padding: 44px 22px; }
  .editorial-band figure { min-height: 0; aspect-ratio: 3 / 2; }
  .photo-frame { min-height: 0; aspect-ratio: 3 / 2; }
}
