/* ============================================================
   ZA POWER — v3 "Light Showroom"
   full-bleed room hero · swipe deck · dimmer dial · soft section fades
   ============================================================ */

:root {
  --bg: #f5f4f2;
  --bg2: #eeedeb;
  --white: #ffffff;
  --ink: #16161a;
  --ink2: #2c2c31;
  --muted: #6d6e75;
  --muted2: #9a9ba1;
  --line: #e3e2df;
  --line2: #d2d1cd;
  --red: #e3242b;
  --red-hot: #ff3b41;
  --red-deep: #a01318;
  --glow: rgba(227, 36, 43, .45);
  --dark: #121215;
  --dark2: #1a1a1f;
  --font-ar: 'Alexandria', 'Segoe UI', system-ui, sans-serif;
  --font-en: 'Archivo', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Consolas', monospace;
  --ease: cubic-bezier(.22, .8, .24, 1);
  --nav-h: 76px;
  --shadow-soft: 0 24px 60px -28px rgba(22, 22, 26, .25);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden; overflow-x: clip;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ar);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden; overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}
html[lang="en"] body { font-family: var(--font-en); font-weight: 400; }

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
.mono { font-family: var(--font-mono); }

/* no ugly long-press highlight / selection on visuals & UI */
img, h1, h2, h3, .btn, .nav, .master, .marquee, .deck, .dial,
.lab, .pillar, .ccard, .kicker, .panelmenu, .footer, .callout, .hero__content {
  -webkit-user-select: none; user-select: none;
  -webkit-touch-callout: none;
}
p, .section__lead, .range__list { -webkit-user-select: text; user-select: text; }

::selection { background: rgba(227,36,43,.85); color: #fff; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #cfcecb; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--red); }

/* SVG bolt glyph */
.bolt {
  display: inline-block; width: 10px; height: 14px; vertical-align: -2px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 11 15'%3E%3Cpath d='M6.8 0 0 8.4h3.6L2.8 15l7.9-9.3H6.3L8.6 0Z'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 11 15'%3E%3Cpath d='M6.8 0 0 8.4h3.6L2.8 15l7.9-9.3H6.3L8.6 0Z'/%3E%3C/svg%3E") center / contain no-repeat;
}
.bolt--red { color: var(--red); }

/* click spark burst */
.spark {
  position: fixed; z-index: 200; pointer-events: none;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--red-hot); box-shadow: 0 0 10px 2px var(--glow);
  animation: sparkfly .55s ease-out forwards;
}
@keyframes sparkfly {
  0% { transform: translate(0, 0) scale(1); opacity: 1; }
  100% { transform: translate(var(--dx), var(--dy)) scale(.2); opacity: 0; }
}

/* ---------- current spine ---------- */
.spine {
  position: fixed; top: 0; inset-inline-start: 0; width: 3px; height: 100vh;
  background: rgba(22,22,26,.06); z-index: 60; pointer-events: none;
}
.spine__fill {
  position: absolute; top: 0; left: 0; width: 100%; height: 0%;
  background: linear-gradient(180deg, var(--red-deep), var(--red));
  box-shadow: 0 0 10px 1px var(--glow);
}
.spine__spark {
  position: absolute; bottom: -4px; left: 50%; transform: translateX(-50%);
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--red-hot);
  box-shadow: 0 0 10px 3px var(--glow);
}
body.power-off .spine__fill { opacity: 0; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 90;
  transition: background .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.nav--scrolled {
  background: rgba(255,255,255,.85);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav__inner {
  max-width: 1320px; margin: 0 auto; height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 0 28px;
}
.nav__logo { position: relative; display: block; width: 128px; }
.nav__logo img { width: 100%; height: auto; transition: opacity .7s; }
.nav__logo-light { position: absolute; inset: 0; opacity: 0; }
/* over the photo hero (not scrolled) → light logo */
.nav:not(.nav--scrolled) .nav__logo-dark { opacity: 0; }
.nav:not(.nav--scrolled) .nav__logo-light { opacity: 1; }

.nav__links { display: flex; gap: 30px; }
.nav__links a {
  position: relative; font-size: .92rem; font-weight: 400; color: var(--muted);
  padding: 6px 0; transition: color .5s;
}
html[lang="en"] .nav__links a { font-weight: 500; }
.nav__links a::after {
  content: ''; position: absolute; bottom: 0; inset-inline-start: 0;
  width: 0; height: 2px; background: var(--red); transition: width .3s var(--ease);
}
.nav__links a:hover::after { width: 100%; }
.nav:not(.nav--scrolled) .nav__links a { color: rgba(255,255,255,.72); }
.nav:not(.nav--scrolled) .nav__links a:hover { color: #fff; }
.nav--scrolled .nav__links a:hover { color: var(--ink); }

.nav__side { display: flex; align-items: center; gap: 14px; }
.nav__lang {
  font-size: .8rem; letter-spacing: .1em; color: var(--ink);
  border: 1px solid var(--line2); border-radius: 999px; padding: 7px 16px;
  transition: border-color .25s, background .25s, color .5s;
}
.nav__lang:hover { border-color: var(--red); color: var(--red); }
.nav:not(.nav--scrolled) .nav__lang { color: #fff; border-color: rgba(255,255,255,.3); }

.nav__burger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav__burger span {
  width: 22px; height: 2px; background: var(--ink);
  transition: transform .3s var(--ease), opacity .3s, background .5s;
}
.nav:not(.nav--scrolled) .nav__burger span { background: #fff; }
.nav__burger.is-open span { background: var(--ink) !important; }
.nav__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; }
.nav__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- mobile menu ---------- */
.panelmenu {
  position: fixed; inset: 0; z-index: 80; background: var(--bg);
  display: flex; flex-direction: column; justify-content: center; padding: 90px 32px 40px;
  transform: translateY(-102%); transition: transform .5s var(--ease);
}
.panelmenu.is-open { transform: translateY(0); }
.panelmenu__list { display: flex; flex-direction: column; }
.panelmenu__list a {
  display: flex; align-items: center; gap: 18px;
  padding: 20px 4px; border-bottom: 1px solid var(--line);
  font-size: 1.35rem; font-weight: 500; color: var(--ink);
  opacity: 0; transform: translateY(14px);
  transition: opacity .45s var(--ease), transform .45s var(--ease);
  transition-delay: calc(var(--i) * 70ms + 150ms);
}
.panelmenu.is-open .panelmenu__list a { opacity: 1; transform: none; }
.breaker {
  width: 30px; height: 44px; border-radius: 8px; flex: none;
  background: linear-gradient(180deg, #ffffff, #efeeec);
  border: 1px solid var(--line2); position: relative;
  box-shadow: inset 0 1px 0 #fff, 0 2px 6px rgba(22,22,26,.08);
}
.breaker::after {
  content: ''; position: absolute; left: 50%; top: 7px; transform: translateX(-50%);
  width: 10px; height: 14px; border-radius: 3px; background: #c9c8c4;
  transition: background .25s, transform .25s, box-shadow .25s;
}
.panelmenu__list a:active .breaker::after,
.panelmenu__list a:hover .breaker::after {
  background: var(--red); transform: translateX(-50%) translateY(14px);
  box-shadow: 0 0 10px 2px var(--glow);
}

/* ============================================================
   HERO — a real room; the switch lights it up
   ============================================================ */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center; justify-content: center;
  padding: calc(var(--nav-h) + 30px) 24px 80px;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: 66% center;
  filter: brightness(1.02);
  transition: filter 1.3s var(--ease), transform 8s var(--ease);
  transform: scale(1.04);
}
body.power-on .hero__bg { transform: scale(1); }
body.power-off .hero__bg { filter: brightness(.22) saturate(.55); }
.hero__scrim {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(12,12,15,.6), rgba(12,12,15,.28) 42%, rgba(12,12,15,.62));
  transition: opacity 1.2s;
}
body.power-on .hero__scrim { opacity: .92; }

.hero__content {
  position: relative; z-index: 2; text-align: center; max-width: 860px;
  color: #fff;
}
.hero__kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .68rem; letter-spacing: .18em; color: rgba(255,255,255,.85);
  border: 1px solid rgba(255,255,255,.28); border-radius: 999px; padding: 8px 16px;
  margin-bottom: 30px; background: rgba(12,12,15,.25);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  transition: opacity 1s;
}
.hero__kicker .bolt { flex: none; }
body.power-off .hero__kicker { opacity: .45; }

.hero__title {
  font-size: clamp(3rem, 8.4vw, 6.8rem);
  line-height: 1.1; font-weight: 800; letter-spacing: -.01em;
  margin-bottom: 24px; color: #fff;
  text-shadow: 0 6px 40px rgba(0,0,0,.45);
  transition: color 1s, opacity 1s;
}
html[lang="en"] .hero__title {
  font-weight: 900; font-variation-settings: 'wdth' 120;
  text-transform: uppercase; line-height: .98;
  font-size: clamp(2.8rem, 7vw, 5.6rem);
}
.hero__title-line { display: block; overflow: hidden; }
.hero__title-line > span, .hero__title-line > em { display: inline-block; }
.reddot {
  display: inline-block; width: .17em; height: .17em; border-radius: 50%;
  background: var(--red); box-shadow: 0 0 22px var(--glow);
  margin-inline-start: .06em; vertical-align: baseline;
  font-style: normal; color: transparent; overflow: hidden; text-indent: -9em;
  transition: background 1s, box-shadow 1s;
}
body.power-off .hero__title { opacity: .35; }
body.power-off .reddot { background: #6b6b72; box-shadow: none; }
body.power-on .hero__title-line > span { animation: ignite .9s var(--ease) both; }
body.power-on .hero__title-line:nth-child(2) > span { animation-delay: .12s; }
@keyframes ignite {
  0% { opacity: 0; transform: translateY(60%); }
  55% { opacity: .4; }
  62% { opacity: 1; }
  70% { opacity: .55; }
  78% { opacity: 1; }
  100% { opacity: 1; transform: none; }
}

.hero__lead {
  max-width: 520px; margin: 0 auto 34px; color: rgba(255,255,255,.82);
  font-size: 1.04rem; text-shadow: 0 2px 18px rgba(0,0,0,.5);
  transition: opacity 1s .1s;
}
body.power-off .hero__lead { opacity: .3; }

.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; transition: opacity 1s .2s; }
body.power-off .hero__cta { opacity: .25; pointer-events: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 15px 34px; border-radius: 999px;
  font-size: .95rem; font-weight: 500; letter-spacing: .01em;
  transition: transform .3s var(--ease), box-shadow .3s, background .3s, border-color .3s, color .3s;
  will-change: transform;
}
.btn--solid {
  background: linear-gradient(135deg, var(--red), var(--red-deep));
  color: #fff; box-shadow: 0 10px 28px -10px var(--glow);
}
.btn--solid:hover { transform: translateY(-3px); box-shadow: 0 16px 38px -10px var(--glow); }
.btn--glass {
  color: #fff; border: 1px solid rgba(255,255,255,.4);
  background: rgba(255,255,255,.1);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.btn--glass:hover { background: rgba(255,255,255,.2); transform: translateY(-3px); }
.btn--ghost { border: 1px solid var(--line2); color: var(--ink); background: rgba(255,255,255,.5); }
.btn--ghost:hover { border-color: var(--red); color: var(--red); transform: translateY(-3px); }

/* --- master switch (on the wall) --- */
.master {
  position: absolute; z-index: 3;
  bottom: 13%; inset-inline-end: 7%;
  display: flex; flex-direction: column; align-items: center;
  -webkit-tap-highlight-color: transparent;
}
.master__plate {
  width: 78px; height: 110px; border-radius: 14px;
  background: linear-gradient(160deg, #fbfaf8, #e8e6e2);
  border: 1px solid rgba(0,0,0,.12);
  box-shadow: 0 18px 44px -14px rgba(0,0,0,.55), inset 0 1px 0 #fff;
  display: flex; align-items: center; justify-content: center;
  transition: background 1s, box-shadow .4s;
}
body.power-off .master__plate {
  background: linear-gradient(160deg, #232327, #17171a);
  border-color: #33333a;
  box-shadow: 0 18px 40px -12px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.06);
}
.master__rocker {
  width: 40px; height: 76px; border-radius: 9px;
  background: linear-gradient(180deg, #fdfdfc 0%, #e8e6e3 55%, #f3f2f0 100%);
  box-shadow: inset 0 2px 3px #fff, inset 0 -6px 10px rgba(22,22,26,.18), 0 2px 6px rgba(22,22,26,.3);
  position: relative; transition: background 1s, box-shadow .35s;
}
body.power-off .master__rocker {
  background: linear-gradient(180deg, #35353b 0%, #202024 55%, #2a2a2f 100%);
  box-shadow: inset 0 2px 3px rgba(255,255,255,.08), inset 0 -6px 10px rgba(0,0,0,.55), 0 2px 6px rgba(0,0,0,.5);
}
body.power-on .master__rocker {
  background: linear-gradient(180deg, #f3f2f0 0%, #e8e6e3 45%, #fdfdfc 100%);
  box-shadow: inset 0 -2px 3px #fff, inset 0 6px 10px rgba(22,22,26,.16), 0 2px 6px rgba(22,22,26,.3);
}
.master__led {
  position: absolute; top: 9px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 12px; border-radius: 3px; background: #4a4a52;
  transition: background .35s, box-shadow .35s, top .35s;
}
body.power-on .master__led {
  background: var(--red-hot); box-shadow: 0 0 10px 2px var(--glow); top: 55px;
}
.master__hint {
  position: absolute; top: -46px; inset-inline-start: 50%; transform: translateX(-50%);
  white-space: nowrap; font-size: .78rem; color: #fff;
  background: rgba(28,28,32,.92); border: 1px solid rgba(255,255,255,.14);
  padding: 7px 14px; border-radius: 999px;
  animation: hintbob 1.6s ease-in-out infinite;
  transition: opacity .4s;
}
html[dir="rtl"] .master__hint { transform: translateX(50%); }
body.power-on .master__hint { opacity: 0; visibility: hidden; }
@keyframes hintbob { 0%,100% { margin-top: 0 } 50% { margin-top: -5px } }

/* --- surge line --- */
.hero__surge {
  position: absolute; top: 50%; left: 0; right: 0; height: 2px; z-index: 5;
  background: linear-gradient(90deg, transparent, var(--red-hot), transparent);
  box-shadow: 0 0 18px 3px var(--glow);
  transform: scaleX(0); opacity: 0; pointer-events: none;
}
body.power-on .hero__surge { animation: surge .9s ease-out .05s; }
@keyframes surge {
  0% { transform: scaleX(0); opacity: 1; }
  55% { transform: scaleX(1); opacity: 1; }
  100% { transform: scaleX(1); opacity: 0; }
}

.hero__scrollcue {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 2;
  transition: opacity .8s .5s;
}
.hero__scrollcue i {
  display: block; width: 1px; height: 38px;
  background: linear-gradient(180deg, var(--red-hot), transparent);
  animation: cue 1.8s ease-in-out infinite;
}
@keyframes cue { 0% { transform: scaleY(0); transform-origin: top } 50% { transform: scaleY(1); transform-origin: top } 51% { transform-origin: bottom } 100% { transform: scaleY(0); transform-origin: bottom } }
body.power-off .hero__scrollcue { opacity: 0; }

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee {
  display: flex; overflow: hidden; white-space: nowrap;
  background: linear-gradient(90deg, var(--red-deep), var(--red) 50%, var(--red-deep));
  transform: rotate(-1.1deg); width: 104%; margin: -14px 0 0 -2%;
  border-top: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(0,0,0,.25);
  position: relative; z-index: 4;
}
.marquee__track {
  display: inline-block; padding: 13px 0;
  font-weight: 600; font-size: .95rem; letter-spacing: .06em; color: #fff;
  animation: marquee 26s linear infinite;
}
.marquee__track .bolt { color: rgba(255,255,255,.85); margin: 0 16px; }
@keyframes marquee { to { transform: translateX(-100%); } }
html[dir="rtl"] .marquee__track { animation-name: marquee-rtl; }
@keyframes marquee-rtl { to { transform: translateX(100%); } }

/* ============================================================
   SECTIONS — shared
   ============================================================ */
.section { position: relative; padding: 104px 28px; max-width: 1320px; margin: 0 auto; }

.section__head { text-align: center; margin-bottom: 60px; }
.section__head--start { text-align: start; margin-bottom: 40px; }
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .88rem; font-weight: 500; color: var(--red);
  margin-bottom: 16px;
}
.section__title {
  font-size: clamp(1.9rem, 4.6vw, 3.2rem); font-weight: 700; letter-spacing: -.01em; line-height: 1.3;
}
html[lang="en"] .section__title {
  font-weight: 900; font-variation-settings: 'wdth' 118; text-transform: uppercase;
}
.section__lead { max-width: 560px; margin: 16px auto 0; color: var(--muted); font-size: 1.02rem; }
.section__head--start .section__lead { margin-inline-start: 0; }

/* reveals */
.js-ready .reveal {
  opacity: 0; transform: translateY(26px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
  transition-delay: calc(var(--d, 0) * 90ms);
}
.js-ready .reveal.is-in { opacity: 1; transform: none; }

/* ============================================================
   PILLARS
   ============================================================ */
.pillars { padding-top: 110px; }
.pillars__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px 44px;
}
.pillar { position: relative; padding-top: 22px; }
.pillar::before {
  content: ''; position: absolute; top: 0; inset-inline-start: 0;
  width: 34px; height: 3px; border-radius: 2px; background: var(--red);
  transition: width .45s var(--ease);
}
.pillar:hover::before { width: 64px; }
.pillar h3 { font-size: 1.12rem; font-weight: 600; margin-bottom: 10px; }
.pillar p { font-size: .92rem; color: var(--muted); }

/* ============================================================
   COLLECTION — swipeable 3D deck
   ============================================================ */
.deck { position: relative; }
.deck__stage {
  position: relative; height: 520px;
  perspective: 1500px;
  touch-action: pan-y;
  cursor: grab;
}
.deck__stage.is-dragging { cursor: grabbing; }
.deckcard {
  position: absolute; left: 50%; top: 50%;
  width: min(60vw, 400px);
  background: var(--white); border-radius: 24px; overflow: hidden;
  box-shadow: 0 30px 70px -34px rgba(22,22,26,.45);
  will-change: transform, opacity;
  transform: translate(-50%, -50%);
}
.deckcard__img {
  aspect-ratio: 1.3; position: relative;
  background: radial-gradient(120% 100% at 50% 0%, #fafaf9, #edecea);
}
.deckcard__img img {
  position: absolute; inset: 9%; width: 82%; height: 82%; object-fit: contain;
  filter: drop-shadow(0 20px 24px rgba(22,22,26,.25));
  pointer-events: none;
}
.deckcard__meta { padding: 18px 24px 22px; text-align: start; border-top: 1px solid var(--line); }
.deckcard__meta h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; }
.deckcard__meta p { font-size: .84rem; color: var(--muted); }

.deck__nav {
  display: flex; align-items: center; justify-content: center; gap: 22px;
  margin-top: 30px;
}
.deck__arrow {
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--line2); background: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 6px rgba(22,22,26,.06);
  transition: border-color .25s, color .25s, transform .25s;
}
.deck__arrow svg { width: 20px; height: 20px; }
.deck__arrow:hover { border-color: var(--red); color: var(--red); transform: translateY(-2px); }
.deck__dots { display: flex; gap: 8px; }
.deck__dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--line2);
  transition: background .3s, transform .3s; padding: 0;
}
.deck__dot.is-on { background: var(--red); transform: scale(1.35); }

/* ============================================================
   ENGINEERING — fades in & out of the dark
   ============================================================ */
.engineering {
  max-width: none;
  background: linear-gradient(180deg, var(--bg) 0px, var(--dark) 220px, var(--dark2) calc(100% - 220px), var(--bg) 100%);
  color: #f2f2f3;
  padding-top: 230px; padding-bottom: 240px;
}
.engineering > * { max-width: 1320px; margin-inline: auto; }
.engineering .section__lead { color: #9a9ba3; }
.engineering__stage { position: relative; }
.engineering__stage > img { width: 100%; filter: drop-shadow(0 30px 40px rgba(0,0,0,.5)); }

.callout {
  position: absolute; display: flex; align-items: center; gap: 12px;
}
.callout i {
  width: 12px; height: 12px; border-radius: 50%; flex: none;
  background: var(--red); box-shadow: 0 0 0 4px rgba(227,36,43,.18), 0 0 14px 2px var(--glow);
  animation: pulse 2.4s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: .35 } }
.callout div {
  background: rgba(22,22,26,.92); border: 1px solid #33333a;
  border-radius: 999px; padding: 9px 18px; font-size: .84rem; white-space: nowrap;
}
.callout--1 { top: 6%; left: 6%; }
.callout--2 { bottom: 2%; left: 38%; }
.callout--3 { top: 8%; right: 3%; }

/* ============================================================
   FINISHES — the dimmer dial
   ============================================================ */
.lab {
  display: grid; grid-template-columns: 1.35fr .65fr; gap: 50px; align-items: center;
}
.lab__stage {
  position: relative; min-height: 440px;
  border-radius: 28px; background: var(--white);
  box-shadow: 0 2px 5px rgba(22,22,26,.05);
  overflow: hidden;
}
.lab__ambient {
  position: absolute; inset: -8%;
  background: radial-gradient(closest-side, var(--amb, rgba(227,36,43,.10)), transparent 72%);
  filter: blur(30px); transition: background 1s;
}
.lab__stage img {
  position: absolute; inset: 7%; margin: auto;
  max-width: 86%; max-height: 86%; width: auto; height: auto; object-fit: contain;
  opacity: 0; transition: opacity .55s var(--ease), transform .55s var(--ease);
  filter: drop-shadow(0 30px 34px rgba(22,22,26,.28));
  transform: scale(.97);
}
.lab__stage img.is-active { opacity: 1; transform: none; }

.lab__side { text-align: center; }
.dial {
  position: relative; width: 260px; height: 260px; margin: 0 auto 26px;
  touch-action: none;
}
.dial__knob {
  position: absolute; inset: 56px; border-radius: 50%;
  background:
    radial-gradient(circle at 38% 30%, #ffffff, #e7e5e1 55%, #d5d3cf);
  box-shadow: 0 18px 40px -14px rgba(22,22,26,.4), inset 0 2px 3px #fff, inset 0 -8px 14px rgba(22,22,26,.14);
  cursor: grab;
  transition: transform .5s var(--ease);
  will-change: transform;
}
.dial__knob:active { cursor: grabbing; }
.dial__pointer {
  position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  width: 5px; height: 22px; border-radius: 4px;
  background: var(--red); box-shadow: 0 0 10px 1px var(--glow);
}
.dial__center {
  position: absolute; inset: 34%; border-radius: 50%;
  background: radial-gradient(circle at 40% 32%, #f6f5f3, #dddbd7);
  box-shadow: inset 0 1px 2px #fff, inset 0 -3px 8px rgba(22,22,26,.14);
}
.dial__tick {
  position: absolute; left: 50%; top: 50%;
  width: 34px; height: 34px; margin: -17px;
  border-radius: 50%; background: var(--sw);
  outline: 1px solid rgba(22,22,26,.16); outline-offset: -1px;
  transform: rotate(var(--a)) translateY(-108px) rotate(calc(var(--a) * -1));
  transition: box-shadow .3s, outline-color .3s, scale .3s;
}
.dial__tick--split { background: linear-gradient(135deg, var(--sw) 50%, var(--sw2) 50%); }
.dial__tick:hover { scale: 1.15; }
.dial__tick.is-on {
  outline: 2px solid var(--red); outline-offset: 2px;
  box-shadow: 0 6px 18px -4px var(--glow);
  scale: 1.2;
}
.lab__name { font-size: 1.7rem; font-weight: 700; }

/* ============================================================
   LIFESTYLE — feathered into the page
   ============================================================ */
.life { position: relative; min-height: 74vh; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.life__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.life::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg,
    var(--bg) 0%, rgba(16,16,19,.52) 20%,
    rgba(16,16,19,.36) 50%,
    rgba(16,16,19,.52) 80%, var(--bg) 100%);
}
.life__quote { position: relative; z-index: 2; text-align: center; padding: 150px 28px; max-width: 900px; color: #fff; }
.life__q {
  font-size: clamp(1.6rem, 4vw, 2.8rem); font-weight: 600; line-height: 1.5;
  text-shadow: 0 4px 30px rgba(0,0,0,.65);
}
.life__a { margin-top: 22px; font-size: .74rem; letter-spacing: .3em; color: var(--red-hot); }

/* ============================================================
   RANGE
   ============================================================ */
.range__inner {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center;
}
.range__list { list-style: none; margin: 30px 0 40px; display: grid; }
.range__list li {
  display: flex; align-items: center; gap: 16px;
  padding: 15px 2px; border-bottom: 1px solid var(--line);
  font-size: 1.02rem; color: var(--ink2);
}
.range__list li::before {
  content: ''; width: 10px; height: 14px; flex: none;
  background: var(--red);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 11 15'%3E%3Cpath d='M6.8 0 0 8.4h3.6L2.8 15l7.9-9.3H6.3L8.6 0Z'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 11 15'%3E%3Cpath d='M6.8 0 0 8.4h3.6L2.8 15l7.9-9.3H6.3L8.6 0Z'/%3E%3C/svg%3E") center / contain no-repeat;
}
.range__stage { position: relative; display: flex; justify-content: center; }
.range__glow {
  position: absolute; inset: 6% 10%;
  background: radial-gradient(closest-side, rgba(227,36,43,.10), transparent 74%);
  filter: blur(26px);
}
.range__stage img {
  position: relative; max-height: 620px; width: auto;
  filter: drop-shadow(0 34px 40px rgba(22,22,26,.3));
  animation: bob 6.5s ease-in-out infinite;
}
@keyframes bob { 0%,100% { transform: translateY(0) } 50% { transform: translateY(-12px) } }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { padding-bottom: 40px; }
.contact__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; max-width: 1000px; margin: 0 auto;
}
.ccard {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 36px 20px 30px; text-align: center;
  background: var(--white); border-radius: 20px;
  box-shadow: 0 2px 5px rgba(22,22,26,.05);
  transition: transform .35s var(--ease), box-shadow .35s;
}
.ccard:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); }
.ccard__ic { width: 30px; height: 30px; color: var(--red); }
.ccard__ic svg { width: 100%; height: 100%; }
.ccard b { font-weight: 600; font-size: 1.02rem; margin-top: 6px; }
.ccard > span.mono { font-size: .78rem; color: var(--muted); letter-spacing: .06em; }

/* ============================================================
   FOOTER — melts up from the page, logo rises in
   ============================================================ */
.footer {
  padding: 230px 28px 46px; text-align: center;
  background:
    radial-gradient(700px 300px at 50% 120%, rgba(227,36,43,.14), transparent 70%),
    linear-gradient(180deg, var(--bg) 0px, #131316 300px);
  color: #9a9ba3;
}
.footer__lockup { width: min(360px, 68vw); margin: 0 auto 34px; }
.js-ready .footer__lockup.reveal { transform: translateY(44px) scale(.94); transition-duration: 1.2s; }
.js-ready .footer__lockup.reveal.is-in { transform: none; }
.footer__line { font-size: .68rem; letter-spacing: .2em; color: #6d6e76; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }

  .pillars__grid { grid-template-columns: 1fr 1fr; }

  .lab { grid-template-columns: 1fr; gap: 30px; }

  .contact__grid { grid-template-columns: 1fr 1fr; }
  .range__inner { grid-template-columns: 1fr; }
  .range__stage img { max-height: 460px; }

  .callout div { font-size: .72rem; padding: 7px 12px; }
}

@media (max-width: 640px) {
  .section { padding: 70px 20px; }
  .hero { padding-inline: 20px; }
  .hero__bg { object-position: 70% center; }
  .hero__title { font-size: clamp(2.6rem, 12.5vw, 4rem); }
  .master { bottom: 10%; inset-inline-end: 6%; }
  .master__plate { width: 64px; height: 92px; }
  .master__rocker { width: 33px; height: 62px; }
  body.power-on .master__led { top: 43px; }

  .pillars__grid { grid-template-columns: 1fr; gap: 34px; }

  .deck__stage { height: 480px; }
  .deckcard { width: min(74vw, 330px); }

  .marquee__track { font-size: .8rem; padding: 10px 0; }

  .engineering { padding-top: 190px; padding-bottom: 200px; }
  .engineering__stage { display: flex; flex-direction: column; }
  .engineering__stage > img { order: -1; }
  .callout { position: static; margin-top: 12px; }
  .callout div { white-space: normal; }

  .lab__stage { min-height: 300px; }
  .dial { width: 230px; height: 230px; }
  .dial__knob { inset: 50px; }
  .dial__tick { transform: rotate(var(--a)) translateY(-96px) rotate(calc(var(--a) * -1)); }

  .life__quote { padding: 130px 24px; }

  .contact__grid { grid-template-columns: 1fr; }
  .footer { padding-top: 190px; }

  .spine { width: 2px; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js-ready .reveal { opacity: 1; transform: none; transition: none; }
  .range__stage img { animation: none; }
  .master__hint { animation: none; }
  body.power-on .hero__title-line > span { animation: none; }
  .hero__bg { transition: filter 1.3s var(--ease); transform: none; }
  .spark { display: none; }
}