/* ==========================================================================
   PT Karya Logam Presisi · styles.css
   Dark industrial, rebuilt to premium scale: bigger type, generous air,
   layered depth. Carbon / graphite / amber / steel, Archivo + IBM Plex Mono.
   3D layers: .bg-3d (machine hall atmosphere), .klp-3d (the machined part).
   Gate classes: html.go-full / html.go-poster (capability, not width).
   ========================================================================== */

:root {
  --carbon: #0B0C0E;
  --g1: #131519;
  --g2: #1B1E24;
  --g3: #262A32;
  --steel: #8A93A3;
  --silver: #E6E9EF;
  --amber: #FFA028;
  --amber-deep: #E07B00;
  --blue: #5B9BD5;
  --ok: #3ECF8E;
  --err: #E5484D;
  --ease-m: cubic-bezier(0.2, 0, 0, 1);
  --pad: clamp(1.25rem, 4vw, 4rem);
  --nav-h: 76px;
  --noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  background: var(--carbon);
  color: var(--silver);
  font: 400 17px/1.65 'Archivo', system-ui, sans-serif;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
h1, h2, h3 { font-stretch: 108%; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
fieldset { border: 0; padding: 0; margin: 0; }
::selection { background: rgba(255, 160, 40, .28); color: #E6E9EF; }
:focus-visible { outline: 1px solid var(--amber); outline-offset: 3px; border-radius: 2px; }

.skip { position: fixed; left: -200vw; top: 0; z-index: 200; background: var(--amber); color: var(--carbon); padding: .8rem 1.2rem; font-weight: 700; }
.skip:focus { left: 0; }

.wrap { max-width: 84rem; margin: 0 auto; padding: 0 var(--pad); position: relative; }
.wrap-n { max-width: 74rem; }

.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--steel);
}
.stamp {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.14em;
  color: var(--steel); white-space: nowrap;
}
.stamp b { color: var(--silver); font-weight: 600; }
.meta-ref {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.1em;
  color: var(--steel); text-transform: uppercase; white-space: nowrap;
}
.sec-head { display: flex; align-items: center; gap: 18px; margin-bottom: 1.75rem; }
.sec-head .rule-x { flex: 1; min-width: 40px; }
@media (max-width: 767px) { .meta-ref { display: none; } }

.sec { position: relative; padding: clamp(6rem, 11vw, 10rem) 0; }
.sec-band { border-top: 1px solid var(--g3); border-bottom: 1px solid var(--g3); background: rgba(19, 21, 25, .32); }
.sec-h2 {
  font-weight: 800; color: var(--silver);
  font-size: clamp(34px, 4.8vw, 62px);
  line-height: 1.04; max-width: 20ch;
}
.sec-lede { margin-top: 1.4rem; max-width: 34rem; color: var(--steel); font-size: 17px; }

/* oversized ghost numeral behind each section head */
.ghost-no {
  position: absolute; top: -1.2rem; right: var(--pad); z-index: 0;
  font: 800 clamp(90px, 16vw, 210px)/1 'Archivo', sans-serif; font-stretch: 108%;
  color: transparent; -webkit-text-stroke: 1px rgba(138, 147, 163, .13);
  letter-spacing: -0.04em; pointer-events: none; user-select: none;
}

/* graph-paper dot grid + hot amber layer under the hero spotlight */
.dots { background-image: radial-gradient(rgba(230, 233, 239, 0.05) 1px, transparent 1.6px); background-size: 26px 26px; }
.dots-hot {
  position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(255, 160, 40, 0.15) 1px, transparent 1.6px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(430px circle at var(--sx, 30%) var(--sy, 26%), #000 0%, transparent 72%);
  mask-image: radial-gradient(430px circle at var(--sx, 30%) var(--sy, 26%), #000 0%, transparent 72%);
}

/* hairline rule with drawing end-ticks */
.rule-x { position: relative; height: 1px; background: var(--g3); }
.rule-x::before, .rule-x::after { content: ''; position: absolute; top: -4px; width: 1px; height: 9px; background: rgba(138, 147, 163, .55); }
.rule-x::before { left: 0; }
.rule-x::after { right: 0; }

/* corner crosshair marks */
.xc {
  position: absolute; width: 9px; height: 9px; z-index: 10; pointer-events: none;
  color: rgba(138, 147, 163, .45);
  background:
    linear-gradient(currentColor, currentColor) center / 100% 1px no-repeat,
    linear-gradient(currentColor, currentColor) center / 1px 100% no-repeat;
}
.xc-tl { top: 7px; left: 7px; } .xc-tr { top: 7px; right: 7px; }
.xc-bl { bottom: 7px; left: 7px; } .xc-br { bottom: 7px; right: 7px; }

/* photography: uniform cool grade + grain */
.grade { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.22) saturate(.74) contrast(1.08) brightness(.85) hue-rotate(-8deg); }
.media { position: relative; overflow: hidden; background: var(--g2); }
.media::after {
  content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(180deg, rgba(11, 12, 14, .08), rgba(11, 12, 14, .55) 88%);
}
.media::before {
  content: ''; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background-image: var(--noise); background-size: 160px 160px;
  opacity: .15; mix-blend-mode: overlay;
}

.i16 { width: 16px; height: 16px; flex: none; }
.i20 { width: 20px; height: 20px; flex: none; }

/* ============ precision indicator ============ */
.pi { position: relative; width: 22px; height: 22px; display: inline-block; color: var(--steel); flex: none; }
.pi-sm { width: 18px; height: 18px; }
.pi svg { position: absolute; inset: 0; width: 100%; height: 100%; transition: transform 900ms var(--ease-m); will-change: transform; }
.pi-dot {
  position: absolute; left: 50%; top: 50%; width: 7px; height: 7px;
  transform: translate(-50%, -50%); border-radius: 50%;
  background: var(--amber); box-shadow: 0 0 10px rgba(255, 160, 40, .65);
  transition: background 200ms var(--ease-m), box-shadow 200ms var(--ease-m);
}
.pi-sm .pi-dot { width: 6px; height: 6px; }
@keyframes pi-blink { 0%, 100% { opacity: 1; } 45% { opacity: .12; } }
.pi-dot.blink { animation: pi-blink 480ms var(--ease-m) 1; }
.pi-dot.ok-flash { background: #3ECF8E; box-shadow: 0 0 12px rgba(62, 207, 142, .7); }

/* ============ nav ============ */
.top { position: fixed; inset: 0 0 auto; z-index: 50; padding: 12px 12px 0; }
.nav-inner {
  max-width: 84rem; margin: 0 auto; height: 60px;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0 1.4rem; border-radius: 999px;
  border: 1px solid transparent; background: transparent;
  transition: background-color .35s var(--ease-m), border-color .35s var(--ease-m), box-shadow .35s var(--ease-m);
}
.nav-inner.nav-solid {
  max-width: 58rem;
  background: rgba(19, 21, 25, .78);
  border-color: rgba(230, 233, 239, .08);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .45);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-name { font-weight: 800; font-stretch: 108%; letter-spacing: -0.01em; font-size: 13px; color: var(--silver); white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 1.9rem; }
.nav-link { font-size: 13.5px; color: var(--steel); transition: color 120ms var(--ease-m); }
.nav-link:hover { color: var(--silver); }
.nav-cta { display: flex; align-items: center; gap: .6rem; }
.menu-btn { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; border: 1px solid var(--g3); border-radius: 6px; color: var(--steel); }
.menu-btn svg { width: 20px; height: 20px; }
.mobile-menu {
  max-width: 84rem; margin: 8px auto 0; display: flex; flex-direction: column;
  border-radius: 16px; border: 1px solid rgba(230, 233, 239, .08);
  background: rgba(19, 21, 25, .92);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .45); padding: .5rem;
  animation: mm-in .22s var(--ease-m);
}
.mobile-menu[hidden] { display: none; }
@keyframes mm-in { from { opacity: 0; transform: translateY(-6px); } }
.mm-link { display: block; padding: .85rem 1rem; border-radius: 10px; font-size: 15px; color: var(--silver); transition: background-color 120ms var(--ease-m); }
.mm-link:hover { background: rgba(38, 42, 50, .6); }
@media (max-width: 1023px) {
  .nav-links { display: none; }
  .menu-btn { display: inline-flex; }
}
@media (min-width: 1024px) { .mobile-menu { display: none !important; } }
@media (max-width: 520px) {
  .nav-inner { padding: 0 .55rem 0 1rem; gap: .5rem; height: 54px; }
  .brand { gap: 9px; }
  .brand-name { font-size: 11px; letter-spacing: 0; }
  .pi { width: 18px; height: 18px; }
  .btn-nav { padding: .45rem .85rem; font-size: 11.5px; }
  .menu-btn { width: 36px; height: 36px; flex: none; }
}

/* ============ buttons ============ */
.btn-amber {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  background: var(--amber); color: #0B0C0E; border-radius: 999px;
  font-weight: 700; letter-spacing: -0.01em; white-space: nowrap;
  transition: background-color 120ms var(--ease-m), transform 120ms var(--ease-m);
}
.btn-amber:hover { background: var(--amber-deep); }
.btn-amber:active { transform: translateY(1px); }
.btn-nav { padding: .55rem 1.25rem; font-size: 13px; }
.btn-cta { padding: 1.05rem 2.1rem; font-size: 15px; margin-top: 2.6rem; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: .6rem;
  border: 1px solid var(--g3); border-radius: 999px;
  padding: .95rem 2rem; color: var(--silver); font-weight: 500; font-size: 15px;
  transition: border-color 120ms var(--ease-m), color 120ms var(--ease-m);
}
.btn-ghost:hover { border-color: rgba(138, 147, 163, .6); }
.btn-sm { padding: .5rem 1rem; font-size: 13px; border-radius: 6px; }

.mb { position: relative; border-radius: 999px; padding: 1px; overflow: hidden; background: rgba(38, 42, 50, .9); display: inline-block; }
.mb-light {
  position: absolute; left: 50%; top: 50%; width: 260%; aspect-ratio: 1 / 1; pointer-events: none;
  background: conic-gradient(from 0deg,
    transparent 0deg, transparent 300deg,
    rgba(255, 160, 40, .18) 322deg,
    rgba(255, 160, 40, .95) 345deg,
    rgba(255, 160, 40, 1) 353deg,
    transparent 360deg);
  transform: translate(-50%, -50%) rotate(0deg);
  animation: mb-rot 5.2s linear infinite; will-change: transform;
}
@keyframes mb-rot { to { transform: translate(-50%, -50%) rotate(1turn); } }
.mb-core {
  position: relative; z-index: 1; display: inline-flex; align-items: center; gap: .6rem;
  border-radius: 999px; background: #131519; padding: .98rem 2.1rem;
  color: var(--amber); font-weight: 600; font-size: 15px; letter-spacing: -0.01em;
  transition: background-color 120ms var(--ease-m);
}
.mb:hover .mb-core { background: #1B1E24; }
.arrow-btn {
  width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--g3); color: var(--steel); border-radius: 6px;
  transition: color 120ms var(--ease-m), border-color 120ms var(--ease-m);
}
.arrow-btn:hover { color: var(--silver); border-color: rgba(138, 147, 163, .55); }

/* ============ hero ============ */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; }
.spotlight {
  position: absolute; left: 0; top: 0; width: 56rem; height: 56rem;
  margin-left: -28rem; margin-top: -28rem;
  pointer-events: none; opacity: 0;
  background: radial-gradient(closest-side,
    rgba(255, 160, 40, .08),
    rgba(255, 160, 40, .028) 38%,
    rgba(230, 233, 239, .012) 55%,
    transparent 72%);
  transition: opacity 1.4s var(--ease-m); will-change: transform;
}
.spotlight.on { opacity: 1; }
.hero-grid {
  position: relative; z-index: 10; width: 100%; max-width: 84rem; margin: 0 auto;
  padding: calc(var(--nav-h) + 3rem) var(--pad) 6rem;
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2rem, 4vw, 4rem); align-items: center;
}
.hero-copy .eyebrow { margin-bottom: 2rem; }
.hero-h1 {
  font-weight: 800; color: var(--silver); line-height: .98;
  font-size: clamp(52px, 7.6vw, 118px);
  letter-spacing: -0.03em; max-width: 11ch;
}
.tg-w {
  display: inline-block;
  opacity: 0; filter: blur(7px); transform: translateY(10px);
  transition: opacity .6s var(--ease-m), filter .6s var(--ease-m), transform .6s var(--ease-m);
  will-change: opacity, filter, transform;
}
.tg-w.in { opacity: 1; filter: blur(0); transform: none; }
.lede { margin-top: 2.2rem; max-width: 32rem; font-size: 18px; line-height: 1.7; color: var(--steel); }
.hero-ctas { margin-top: 3rem; display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.hero-stamp-l { position: absolute; bottom: 1.6rem; left: 1.6rem; z-index: 10; }
.hero-stamp-r { position: absolute; bottom: 1.6rem; right: 1.6rem; z-index: 10; }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; padding-bottom: 4rem; }
  .hero-stamp-l, .hero-stamp-r { display: none; }
}

/* the 3D dock: the part-drawing SVG paints first; the canvas replaces it after frame 1 */
.hero-stage { position: relative; display: grid; justify-items: center; min-height: 300px; }
.dock { position: relative; width: min(100%, 460px); aspect-ratio: 1; touch-action: pan-y; }
.part-svg { width: 100%; height: 100%; color: rgba(138, 147, 163, .55); transition: opacity .7s var(--ease-m); }
.dock.is-3d { cursor: grab; }
.dock.is-3d .part-svg { opacity: 0; }
.dock.is-dragging { cursor: grabbing; }
.poster-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: 10px; border: 1px solid var(--g3); }
.hint {
  margin-top: .4rem; font-family: 'IBM Plex Mono', monospace; font-size: 11px;
  letter-spacing: .14em; text-transform: uppercase; color: var(--steel);
  opacity: 0; transition: opacity .6s var(--ease-m);
}
html.go-full .dock.is-3d ~ .hint, html.go-full .hint.is-ready { opacity: .8; }
.hint.is-gone { opacity: 0 !important; }
.loading {
  position: absolute; left: 50%; bottom: 8%; transform: translateX(-50%);
  display: grid; gap: .5rem; justify-items: center; width: min(240px, 80%);
  font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--steel);
}
.loading .bar { width: 100%; height: 1px; background: var(--g3); overflow: hidden; }
.loading .bar i { display: block; height: 100%; width: 0; background: var(--amber); transition: width .4s var(--ease-m); }
/* dimension callouts, drawing style */
.dim {
  position: absolute; display: flex; align-items: center; gap: .6rem;
  font-family: 'IBM Plex Mono', monospace; font-size: 10.5px; letter-spacing: .12em;
  color: var(--steel); pointer-events: none;
  opacity: 0; transition: opacity 1s var(--ease-m) .4s;
}
.dim i { display: block; width: 52px; height: 1px; background: rgba(138, 147, 163, .5); position: relative; }
.dim i::before { content: ''; position: absolute; left: 0; top: -2.5px; width: 6px; height: 6px; border-radius: 50%; border: 1px solid var(--amber); }
.dim-a { top: 31%; right: -4%; }
.dim-b { bottom: 18%; left: -2%; flex-direction: row-reverse; }
.dim-b i { transform: scaleX(-1); }
.dock.is-3d ~ .dim, html.go-poster .dim { opacity: 1; }
@media (max-width: 1100px) { .dim-a { right: 0; } .dim-b { left: 0; } }
@media (max-width: 900px) {
  .hero-stage { order: -1; min-height: 0; }
  .dock { width: min(72vw, 340px); }
  .dim { display: none; }
  .hero-copy .eyebrow { margin-bottom: 1.4rem; }
  .hero-ctas { margin-top: 2.2rem; }
}

/* ============ 3D canvases (explicit width/height: inset alone oversizes at dpr > 1) ============ */
.bg-3d { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }
.klp-3d {
  position: fixed; inset: 0; width: 100%; height: 100%; z-index: 5; pointer-events: none;
  opacity: 0; transition: opacity .9s var(--ease-m); will-change: transform, opacity;
}
.klp-3d.is-on { opacity: 1; }
html.go-poster .part-svg { opacity: 0; }
html.go-poster .hint, html.go-poster .loading { display: none; }

/* ============ Lesson 1 §6 / Lesson 2: per-section [data-3d] transitions ============ */
[data-3d] { --p: 1; transform-origin: 50% 100%; opacity: calc(var(--p) * 1.25 - 0.25); }
.has-3d [data-3d] { --p: 0; will-change: transform, opacity; }
[data-3d="rise"] { transform: perspective(1400px) rotateX(calc((1 - var(--p)) * 16deg)) translateY(calc((1 - var(--p)) * 64px)) scale(calc(0.955 + var(--p) * 0.045)); }
[data-3d="hinge-left"] { transform-origin: 0% 50%; transform: perspective(1400px) rotateY(calc((1 - var(--p)) * -26deg)) translateX(calc((1 - var(--p)) * -40px)); }
[data-3d="hinge-right"] { transform-origin: 100% 50%; transform: perspective(1400px) rotateY(calc((1 - var(--p)) * 26deg)) translateX(calc((1 - var(--p)) * 40px)); }
[data-3d="lift"] { transform: perspective(1200px) translate3d(0, calc((1 - var(--p)) * 48px), calc((var(--p) - 1) * 140px)) rotateX(calc((1 - var(--p)) * 12deg)); }
[data-3d="foot"] { transform-origin: 50% 100%; transform: perspective(1800px) rotateX(calc((1 - var(--p)) * 38deg)) translateY(calc((1 - var(--p)) * 14%)); }
@media (max-width: 768px) {
  [data-3d="hinge-left"], [data-3d="hinge-right"] { transform-origin: 50% 100%; transform: perspective(1400px) rotateX(calc((1 - var(--p)) * 16deg)) translateY(calc((1 - var(--p)) * 64px)) scale(calc(0.955 + var(--p) * 0.045)); }
}

/* ============ ticker ============ */
.ticker { border-top: 1px solid var(--g3); border-bottom: 1px solid var(--g3); background: rgba(19, 21, 25, .4); padding: 1.4rem 0; }
.marquee {
  overflow: hidden; position: relative; display: flex;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track { display: flex; flex: none; min-width: 100%; will-change: transform; }
.marquee-track.run { animation: marq var(--marq-dur, 40s) linear infinite; }
.marquee:hover .marquee-track.run,
.marquee:focus-within .marquee-track.run { animation-play-state: paused; }
@keyframes marq { to { transform: translate3d(-50%, 0, 0); } }
.mq-set { display: flex; align-items: center; flex: none; font-family: 'IBM Plex Mono', monospace; font-size: 12px; letter-spacing: 0.14em; color: var(--steel); text-transform: uppercase; }
.mq-set span { padding: 0 1.6rem; white-space: nowrap; }
.mq-set i { color: var(--g3); font-style: normal; }
.logo-set { gap: 4.5rem; padding: 0 2.25rem; opacity: .5; filter: grayscale(1); text-transform: none; }
.logo-set span { padding: 0; white-space: nowrap; color: var(--silver); }
.lg-a { font-family: 'Archivo', sans-serif; font-weight: 800; font-stretch: 108%; letter-spacing: -0.01em; font-size: 19px; }
.lg-i { font-style: italic; }
.lg-b { font-family: 'IBM Plex Mono', monospace; font-weight: 600; letter-spacing: 0.2em; font-size: 15px; }
.logos { margin-top: 3.5rem; }

/* ============ stats ============ */
.stats-wrap { max-width: 84rem; margin: 0 auto; padding: clamp(4.5rem, 8vw, 7.5rem) var(--pad); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { position: relative; padding: 3rem 2rem; }
.stat + .stat::before { content: ''; position: absolute; left: 0; top: 14%; bottom: 14%; width: 1px; background: var(--g3); }
.stat + .stat::after { content: ''; position: absolute; left: -3px; top: calc(14% - 1px); width: 7px; height: 1px; background: rgba(138, 147, 163, .55); }
.stat-n { font-family: 'IBM Plex Mono', monospace; font-weight: 600; font-size: clamp(40px, 4.6vw, 62px); color: var(--silver); line-height: 1; }
.stat-unit { font-size: .55em; }
.stat .eyebrow { margin-top: 1rem; }
@media (max-width: 1023px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat { padding: 2.2rem 1.2rem; }
  .stat:nth-child(odd)::before, .stat:nth-child(odd)::after { display: none; }
}

/* ============ capabilities bento ============ */
.bento { margin-top: 3.5rem; display: grid; grid-template-columns: repeat(6, 1fr); gap: 1.1rem; position: relative; z-index: 1; }
.cell { grid-column: span 2; border-radius: 12px; }
.cell-lg { grid-column: span 4; grid-row: span 2; }
.cell-half { grid-column: span 3; }
.cell-tilt {
  position: relative; height: 100%; overflow: hidden; border-radius: 12px;
  border: 1px solid var(--g3); background: var(--g1);
  transition: border-color 200ms var(--ease-m);
}
.cell:hover .cell-tilt { border-color: rgba(138, 147, 163, .4); }
/* cursor spotlight */
.cell-tilt::after {
  content: ''; position: absolute; inset: 0; z-index: 5; pointer-events: none;
  opacity: 0; transition: opacity .35s var(--ease-m);
  background: radial-gradient(340px circle at var(--cx, 50%) var(--cy, 50%),
    rgba(255, 160, 40, .09), rgba(255, 160, 40, .028) 45%, transparent 70%);
}
.cell:hover .cell-tilt::after { opacity: 1; }
/* Aceternity-style tilt: transforms only on the inner wrapper, never on [data-3d] itself */
@media (hover: hover) {
  html.has-js .cell-tilt { transform: perspective(1100px) rotateX(calc(var(--py, 0) * -3.2deg)) rotateY(calc(var(--px, 0) * 4deg)); transition: transform .9s var(--ease-m), border-color 200ms var(--ease-m); }
  html.has-js .cell.is-tilting .cell-tilt { transition: transform .18s var(--ease-m), border-color 200ms var(--ease-m); }
}
.media-lg { height: clamp(220px, 26vw, 360px); }
.cell .media { height: 180px; }
.cell-lg .media { height: auto; min-height: clamp(220px, 26vw, 360px); }
.cell-body { padding: 1.8rem 1.9rem 2rem; }
.cell-lg .cell-body { padding: 2.2rem 2.4rem 2.4rem; }
.cell-body h3 { font-size: 21px; font-weight: 700; color: var(--silver); }
.cell-lg .cell-body h3 { font-size: 26px; }
.cell-body p { margin-top: .8rem; font-size: 15px; line-height: 1.65; color: var(--steel); max-width: 46ch; }
.spec-line { margin-top: 1.2rem !important; font-family: 'IBM Plex Mono', monospace; font-size: 11px !important; letter-spacing: 0.14em; text-transform: uppercase; color: var(--steel); }
@media (max-width: 1023px) {
  .bento { grid-template-columns: 1fr 1fr; }
  .cell, .cell-lg, .cell-half { grid-column: span 2; grid-row: auto; }
  .cell .media, .media-lg, .cell-lg .media { height: 200px; min-height: 0; }
}

/* ============ compare ============ */
.cmp {
  position: relative; margin-top: 3.5rem; aspect-ratio: 16/10; overflow: hidden;
  border-radius: 12px; border: 1px solid var(--g3);
  --pos: 50%; touch-action: pan-y; cursor: ew-resize; user-select: none;
}
@media (min-width: 768px) { .cmp { aspect-ratio: 21/9; } }
.cmp img { -webkit-user-drag: none; user-select: none; }
.cmp-media { position: absolute; inset: 0; }
.cmp-top { position: absolute; inset: 0; z-index: 2; overflow: hidden; clip-path: inset(0 calc(100% - var(--pos)) 0 0); will-change: clip-path; }
.cmp-bar { position: absolute; inset: 0 auto 0 0; z-index: 3; will-change: transform; }
.cmp.gliding .cmp-top { transition: clip-path .6s var(--ease-m); }
.cmp.gliding .cmp-bar { transition: transform .6s var(--ease-m); }
.cmp-line { position: absolute; top: 0; bottom: 0; left: -0.5px; width: 1px; background: rgba(230, 233, 239, .75); }
.cmp-line::before, .cmp-line::after { content: ''; position: absolute; left: -1px; width: 3px; height: 14px; background: var(--amber); }
.cmp-line::before { top: 0; } .cmp-line::after { bottom: 0; }
#cmpHandle {
  position: absolute; top: 50%; left: 0; transform: translate(-50%, -50%);
  touch-action: none; width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid rgba(230, 233, 239, .45); background: rgba(11, 12, 14, .72);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  color: var(--silver); cursor: ew-resize;
  transition: transform 120ms var(--ease-m), border-color 120ms var(--ease-m);
}
.cmp:hover #cmpHandle { transform: translate(-50%, -50%) scale(1.06); border-color: rgba(230, 233, 239, .8); }
.cmp-tag {
  position: absolute; top: 14px; z-index: 4;
  font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: .14em;
  color: rgba(230, 233, 239, .85); background: rgba(11, 12, 14, .55);
  border: 1px solid rgba(230, 233, 239, .12); padding: 4px 8px;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.cmp-tag-l { left: 14px; } .cmp-tag-r { right: 14px; }
.cmp-cap { margin-top: 1.8rem; text-align: center; font-family: 'IBM Plex Mono', monospace; font-size: 12px; letter-spacing: 0.14em; color: var(--steel); text-transform: uppercase; }

/* ============ process ============ */
.proses-head { margin-bottom: 4rem; }
.steps-rail { position: relative; max-width: 46rem; margin: 0 auto; }
#spine { position: absolute; left: 15px; top: 6px; bottom: 6px; width: 1px; background: var(--g3); }
#beam {
  position: absolute; left: 0; top: 0; width: 1px; height: 100%;
  transform: scaleY(0); transform-origin: top;
  background: linear-gradient(180deg, rgba(255, 160, 40, 0), rgba(255, 160, 40, .55) 18%, var(--amber));
  will-change: transform;
}
#beamHead {
  position: absolute; left: 0.5px; top: 0; width: 7px; height: 7px;
  transform: translate(-50%, -50%); border-radius: 50%;
  background: var(--amber); box-shadow: 0 0 14px 3px rgba(255, 160, 40, .55);
  will-change: transform;
}
.steps { list-style: none; margin: 0; padding: 0; position: relative; }
.step { position: relative; padding: 0 0 1.6rem 3.4rem; }
@media (min-width: 768px) { .step { padding-left: 4.5rem; padding-bottom: 2rem; } }
.step:last-child { padding-bottom: 0; }
.step-node {
  position: absolute; left: 15.5px; top: 30px; width: 11px; height: 11px;
  transform: translateX(-50%); border-radius: 50%;
  border: 1px solid var(--g3); background: var(--carbon);
  transition: border-color .3s var(--ease-m), background .3s var(--ease-m), box-shadow .3s var(--ease-m);
  z-index: 2;
}
.step.lit .step-node { border-color: var(--amber); background: var(--amber); box-shadow: 0 0 10px rgba(255, 160, 40, .55); }
.step-card {
  position: relative; border-radius: 12px; border: 1px solid var(--g3); background: var(--g1);
  padding: 1.8rem 2rem;
  opacity: 0; transform: translateY(14px);
  transition: opacity .7s var(--ease-m), transform .7s var(--ease-m);
}
.step.lit .step-card { opacity: 1; transform: none; }
.step-no { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.14em; color: var(--steel); }
.step-card h3 { margin-top: .7rem; font-size: 20px; font-weight: 700; color: var(--silver); }
.step-card p { margin-top: .7rem; font-size: 15px; line-height: 1.65; color: var(--steel); }

/* ============ facility ============ */
.fac-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; margin-bottom: 3rem; }
.fac-arrows { display: none; gap: .6rem; }
@media (min-width: 640px) { .fac-arrows { display: flex; } }
.fac-scroll {
  display: flex; gap: 1.4rem; overflow-x: auto; scroll-snap-type: x mandatory;
  padding: 0 var(--pad) 1rem;
  -ms-overflow-style: none; scrollbar-width: none;
}
.fac-scroll::-webkit-scrollbar { display: none; }
@media (min-width: 1440px) { .fac-scroll { padding-left: max(var(--pad), calc((100% - 84rem) / 2 + 4rem)); } }
.fac-card {
  position: relative; height: clamp(440px, 58vh, 540px); width: min(80vw, 420px); flex: none;
  scroll-snap-align: start; overflow: hidden; border-radius: 14px; border: 1px solid var(--g3);
  transition: border-color 200ms var(--ease-m);
}
.fac-card:hover { border-color: rgba(138, 147, 163, .45); }
.fac-card.media::after { background: linear-gradient(180deg, rgba(11, 12, 14, .10), rgba(11, 12, 14, .8) 86%); }
.fac-img { position: absolute; inset: 0; }
.fac-body { position: absolute; inset: 0; z-index: 3; display: flex; flex-direction: column; justify-content: space-between; padding: 1.9rem; }
.fac-cat { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.14em; color: rgba(230, 233, 239, .8); text-transform: uppercase; }
.fac-body h3 { font-size: 27px; font-weight: 800; color: var(--silver); }
.fac-spec { margin-top: .7rem; font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.14em; color: rgba(230, 233, 239, .9); text-transform: uppercase; }
.fac-open { margin-top: 1.4rem; }

.fac-overlay { position: fixed; inset: 0; z-index: 80; display: flex; align-items: center; justify-content: center; padding: 1rem; transition: opacity .3s var(--ease-m), visibility 0s; }
.fac-overlay.hide { opacity: 0; pointer-events: none; visibility: hidden; transition: opacity .3s var(--ease-m), visibility 0s .3s; }
.fac-backdrop { position: absolute; inset: 0; background: rgba(11, 12, 14, .85); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.fac-panel {
  position: relative; width: 100%; max-width: 44rem; overflow: hidden;
  border-radius: 14px; border: 1px solid var(--g3); background: var(--g1);
  transition: transform .4s var(--ease-m), opacity .4s var(--ease-m);
}
.fac-overlay.hide .fac-panel { transform: translateY(16px); opacity: 0; }
.fac-panel-media { height: 230px; }
.fac-panel-body { padding: 2rem 2.2rem 2.2rem; }
.fac-panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.fac-panel-body h3 { margin-top: .3rem; font-size: 26px; font-weight: 800; color: var(--silver); }
.fac-desc { margin-top: 1rem; font-size: 15px; line-height: 1.65; color: var(--steel); }
.fac-specs { margin: 1.6rem 0 0; }

/* ============ testimonials ============ */
.t-grid { margin-top: 5rem; display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.t-photo { position: relative; height: 340px; width: min(100%, 270px); overflow: hidden; border-radius: 12px; border: 1px solid var(--g3); }
.t-portrait { position: absolute; inset: 0; opacity: 0; transform: translateX(16px); transition: opacity .55s var(--ease-m), transform .55s var(--ease-m); }
.t-portrait.on { opacity: 1; transform: none; }
.t-stack { display: grid; }
.t-quote { grid-area: 1 / 1; margin: 0; opacity: 0; transform: translateX(14px); pointer-events: none; transition: opacity .55s var(--ease-m), transform .55s var(--ease-m); }
.t-quote.on { opacity: 1; transform: none; pointer-events: auto; }
.t-text { font-size: clamp(21px, 2.2vw, 27px); font-weight: 500; line-height: 1.5; color: var(--silver); }
.t-foot { margin-top: 1.8rem; font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.14em; color: var(--steel); text-transform: uppercase; }
.t-nav { margin-top: 2.4rem; display: flex; align-items: center; gap: 1rem; }
.t-index { font-family: 'IBM Plex Mono', monospace; font-size: 12px; letter-spacing: 0.14em; color: var(--steel); }
@media (max-width: 900px) { .t-grid { grid-template-columns: 1fr; } .t-photo { margin: 0 auto; } }

/* ============ RFQ ============ */
.blueprint {
  position: relative; margin-top: 3.5rem;
  background-color: #10141B;
  background-image:
    linear-gradient(rgba(91, 155, 213, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 155, 213, .05) 1px, transparent 1px);
  background-size: 28px 28px;
  border: 1px solid rgba(91, 155, 213, .18);
  border-radius: 16px; padding: clamp(1.6rem, 4vw, 3.4rem);
}
.rfq-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(2rem, 4vw, 3.5rem); }
@media (max-width: 1023px) { .rfq-grid { grid-template-columns: 1fr; } }
.rfq-controls fieldset + fieldset, .vol-block { margin-top: 2.4rem; }
.rfq-controls legend { margin-bottom: 1rem; padding: 0; }
.pills { display: flex; flex-wrap: wrap; gap: .6rem; }
.pill-in { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.pill {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .62rem 1.05rem; cursor: pointer; user-select: none;
  border: 1px solid var(--g3); border-radius: 6px; background: #131519;
  font-family: 'IBM Plex Mono', monospace; font-size: 12px;
  letter-spacing: .08em; text-transform: uppercase; color: var(--steel);
  transition: color 120ms var(--ease-m), border-color 120ms var(--ease-m), background-color 120ms var(--ease-m);
}
.pill::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--g3); transition: background 120ms var(--ease-m), box-shadow 120ms var(--ease-m); }
.pill-in:checked + .pill { color: var(--silver); border-color: rgba(255, 160, 40, .55); background: #1B1E24; }
.pill-in:checked + .pill::before { background: var(--amber); box-shadow: 0 0 8px rgba(255, 160, 40, .6); }
.pill-in:focus-visible + .pill { outline: 1px solid var(--amber); outline-offset: 3px; }
.pill:hover { color: var(--silver); }

.vol-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 1.1rem; }
.vol-read { font-family: 'IBM Plex Mono', monospace; font-size: 19px; font-weight: 600; color: var(--silver); }
.vol-read em { font-style: normal; font-size: 12px; color: var(--steel); }
input.vol {
  -webkit-appearance: none; appearance: none; display: block;
  width: 100%; height: 2px; background:
    linear-gradient(90deg, var(--amber-deep) var(--fill, 40%), var(--g3) var(--fill, 40%));
}
input.vol::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px; border-radius: 50%; cursor: ew-resize;
  background: radial-gradient(circle, var(--amber) 0 3px, #1B1E24 3.5px);
  border: 1px solid var(--steel);
  box-shadow: 0 0 0 4px #10141B;
  transition: transform 120ms var(--ease-m);
}
input.vol::-webkit-slider-thumb:active { transform: scale(1.1); }
input.vol::-moz-range-thumb {
  width: 16px; height: 16px; border-radius: 50%; cursor: ew-resize;
  background: radial-gradient(circle, var(--amber) 0 3px, #1B1E24 3.5px);
  border: 1px solid var(--steel);
}
input.vol::-moz-range-track { height: 2px; background: var(--g3); }
input.vol::-moz-range-progress { height: 2px; background: var(--amber-deep); }
.vol-scale { margin-top: .9rem; display: flex; justify-content: space-between; font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: .1em; color: var(--steel); }

/* live 3D material preview box: the fixed canvas scissors into this rect */
.rfq-view {
  position: relative; margin-top: 2.6rem; aspect-ratio: 16 / 9.5;
  border: 1px solid rgba(91, 155, 213, .28); border-radius: 10px;
  background:
    radial-gradient(90% 90% at 50% 42%, rgba(91, 155, 213, .07), transparent 62%),
    #0B0E13;
  overflow: hidden;
}
.rfq-view .poster-img { border: 0; border-radius: 0; }
.rfq-view-hud {
  position: absolute; inset: auto 0 0 0; z-index: 3; display: flex; justify-content: space-between; gap: 1rem;
  padding: .7rem .9rem;
  font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: .14em; color: var(--steel);
  text-transform: uppercase;
}
.rfq-view-tag::before { content: ''; display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--ok); margin-right: .5rem; vertical-align: 1px; box-shadow: 0 0 8px rgba(62, 207, 142, .7); }
.rfq-view-mat { color: var(--silver); }

.rfq-card { position: relative; border-radius: 12px; border: 1px solid var(--g3); background: rgba(11, 12, 14, .72); padding: 1.8rem; }
.rfq-status-row { display: flex; align-items: center; gap: .8rem; }
.rfq-status { font-family: 'IBM Plex Mono', monospace; font-size: 13px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; }
.rfq-status.ok { color: var(--ok); }
.rfq-status.warn { color: var(--amber); }
.rfq-reason { margin-top: 1rem; font-size: 13.5px; line-height: 1.6; color: var(--steel); }
.rfq-rows { margin-top: 1.4rem; }
.rfq-row { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding: .85rem 0; border-bottom: 1px dashed var(--g3); }
.rfq-row-last { border-bottom: 0; }
.rfq-val { text-align: right; font-family: 'IBM Plex Mono', monospace; font-size: 13px; color: var(--silver); }
@keyframes valb { 0% { opacity: .2; } 100% { opacity: 1; } }
.vblink { animation: valb .3s var(--ease-m) 1; }

.rfq-send { margin-top: 2rem; }
.rfq-send label { display: block; margin-bottom: .8rem; }
.opt { text-transform: none; letter-spacing: normal; }
.field {
  width: 100%; background: #0B0C0E; border: 1px solid var(--g3); border-radius: 6px;
  padding: .9rem 1.1rem; color: var(--silver); font-size: 14px; font-family: inherit;
  transition: border-color 120ms var(--ease-m);
}
.field::placeholder { color: rgba(138, 147, 163, .8); font-family: 'IBM Plex Mono', monospace; font-size: 13px; }
.field:focus { border-color: rgba(255, 160, 40, .55); outline: none; }
.btn-send { margin-top: 1.1rem; width: 100%; padding: 1.05rem 1.5rem; font-size: 15px; }
.rfq-note { margin-top: 1.1rem; text-align: center; font-size: 12.5px; color: var(--steel); }
@keyframes spin-m { to { transform: rotate(1turn); } }
.spin-x { animation: spin-m .9s linear infinite; transform-origin: center; }
.btn-send .mono-lab { font-family: 'IBM Plex Mono', monospace; font-size: 13px; letter-spacing: 0.1em; }

/* ============ CTA band ============ */
.cta-band { position: relative; overflow: hidden; border-top: 1px solid var(--g3); border-bottom: 1px solid var(--g3); }
.cta-beams { position: absolute; inset: 0; width: 100%; height: 100%; }
.beam-run { stroke-dasharray: 90 1500; animation: dashmove var(--dash-dur, 10s) linear infinite; }
@keyframes dashmove { from { stroke-dashoffset: 1590; } to { stroke-dashoffset: 0; } }
.cta-inner { position: relative; max-width: 56rem; margin: 0 auto; padding: clamp(7rem, 12vw, 10rem) var(--pad); text-align: center; }
.cta-h2 { font-weight: 800; color: var(--silver); font-size: clamp(32px, 4.6vw, 58px); line-height: 1.06; }
.cta-lede { margin: 1.6rem auto 0; max-width: 34rem; color: var(--steel); font-size: 17px; }

/* ============ footer ============ */
.foot { padding: 5.5rem 0 2.8rem; }
.foot-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 3fr) minmax(0, 3fr) minmax(0, 2fr); gap: 2.6rem; }
@media (max-width: 900px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .foot-grid { grid-template-columns: 1fr; } }
.foot-tag { margin-top: 1.2rem; font-size: 14.5px; line-height: 1.65; color: var(--steel); max-width: 26ch; }
.foot-h { margin-bottom: 1.1rem; }
.foot-text { font-size: 14.5px; line-height: 1.7; color: var(--steel); }
.foot-mono { font-family: 'IBM Plex Mono', monospace; font-size: 12px; line-height: 2; color: var(--steel); }
.cert-tags { display: flex; flex-wrap: wrap; gap: .55rem; }
.cert-tags span {
  border: 1px solid var(--g3); background: var(--g1); border-radius: 5px;
  padding: .45rem .8rem; font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.1em; color: var(--steel);
}
.foot-rule { margin-top: 3.6rem; }
.foot-base { margin-top: 1.6rem; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; }
.foot-copy { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.1em; color: var(--steel); }
.foot-credit-3d { font-size: 11.5px; color: rgba(138, 147, 163, .8); }
.foot-credit-3d a { color: var(--steel); text-decoration: underline; text-underline-offset: 3px; }
.foot-by { font-size: 12px; color: var(--steel); }
.siteinaja { font-family: 'Archivo', sans-serif; font-weight: 700; font-stretch: 108%; letter-spacing: -0.01em; }
.siteinaja .s1 { color: var(--silver); }
.siteinaja .s2 { color: #00E5A0; }
.siteinaja .s3 { color: #FF6B4A; }
.siteinaja .s-dot { display: inline-block; width: 4px; height: 4px; border-radius: 50%; background: #00E5A0; margin-left: 2px; transform: translateY(-8px); }

/* ============ reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .has-3d [data-3d] { --p: 1; }
  .marquee { overflow-x: auto; -webkit-mask-image: none; mask-image: none; }
  .marquee-track.run { animation: none; }
  .mb-light { animation: none; opacity: 0; }
  .mb { background: rgba(255, 160, 40, .35); }
  .tg-w { opacity: 1; filter: none; transform: none; transition: none; }
  .spotlight { transition: none; }
  .step-card, .t-portrait, .t-quote, .step-node, .pi svg { transition: none; }
  .beam-run { animation: none; display: none; }
  .pi-dot.blink { animation: none; }
  .mobile-menu { animation: none; }
  .cmp.gliding .cmp-top, .cmp.gliding .cmp-bar { transition: none; }
  .cell-tilt { transform: none !important; }
}