:root {
  --navy-950: #050c1d;
  --navy-900: #08152f;
  --navy-850: #0b1b3e;
  --navy-800: #132454;
  --blue-600: #2f65bd;
  --blue-500: #3f79d3;
  --blue-400: #6ba3ef;
  --cyan: #73d7ff;
  --ink: #101a2e;
  --slate: #5f6b7f;
  --line: #dce3ec;
  --soft: #f4f7fb;
  --white: #ffffff;
  --shadow-sm: 0 12px 36px rgba(6, 20, 47, .08);
  --shadow-lg: 0 32px 80px rgba(5, 17, 42, .18);
  --radius-sm: 12px;
  --radius: 22px;
  --radius-lg: 34px;
  --container: 1240px;
  --header-h: 84px;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 18px); }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body.intro-active { overflow: hidden; }
body[dir="rtl"] { font-family: Tahoma, "Segoe UI", Arial, sans-serif; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
svg { display: block; }
::selection { color: var(--white); background: var(--blue-600); }

.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.section { position: relative; padding: 112px 0; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--blue-600);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .18em;
  line-height: 1.2;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; }
.eyebrow-light { color: var(--blue-400); }
.button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 5px;
  font-size: .9rem;
  font-weight: 800;
  letter-spacing: .02em;
  transition: transform .25s var(--ease), background .25s, border-color .25s, box-shadow .25s;
}
.button:hover { transform: translateY(-2px); }
.button svg, .calc-link svg { width: 18px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 2; }
.button-primary { color: var(--white); background: var(--blue-600); box-shadow: 0 15px 36px rgba(47, 101, 189, .28); }
.button-primary:hover { background: #3974d0; box-shadow: 0 18px 45px rgba(47, 101, 189, .42); }
.button-ghost { color: var(--white); background: rgba(255, 255, 255, .05); border-color: rgba(255, 255, 255, .28); backdrop-filter: blur(10px); }
.button-ghost:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .45); }

/* Intro */
.intro {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--navy-950);
  opacity: 1;
  visibility: visible;
  transition: opacity .75s var(--ease), visibility .75s;
}
.intro.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.intro-grid {
  position: absolute;
  inset: 0;
  opacity: .16;
  background-image: linear-gradient(rgba(93, 140, 220, .18) 1px, transparent 1px), linear-gradient(90deg, rgba(93, 140, 220, .18) 1px, transparent 1px);
  background-size: 70px 70px;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000, transparent 70%);
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 70%);
  animation: gridPulse 2.2s ease-in-out both;
}
.intro::before, .intro::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: min(72vw, 720px); aspect-ratio: 1;
  border: 1px solid rgba(95, 150, 235, .16);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(.7);
  animation: introRing 2s .25s var(--ease) both;
}
.intro::after { width: min(52vw, 510px); animation-delay: .4s; }
.intro-content { position: relative; z-index: 2; display: grid; justify-items: center; text-align: center; }
.intro-logo-wrap {
  width: 190px;
  height: 222px;
  display: grid;
  place-items: center;
  padding: 0;
  background: transparent;
  opacity: 0;
  transform: translateY(18px) scale(.92);
  animation: logoReveal .8s .25s var(--ease) forwards;
}
.intro-logo { width: 100%; height: 100%; object-fit: contain; filter: drop-shadow(0 24px 50px rgba(63,121,211,.26)); }
.intro-kicker { margin-top: 24px; color: rgba(255,255,255,.7); font-size: .72rem; font-weight: 800; letter-spacing: .24em; text-transform: uppercase; opacity: 0; animation: fadeUp .6s .8s forwards; }
.charge-line { width: 220px; height: 2px; margin-top: 22px; overflow: hidden; background: rgba(255,255,255,.12); }
.charge-line span { display: block; width: 100%; height: 100%; background: linear-gradient(90deg, var(--blue-500), var(--cyan)); transform: translateX(-100%); animation: charge 1.25s .75s var(--ease) forwards; }
.intro-skip { position: absolute; right: 28px; bottom: 24px; z-index: 3; padding: 8px 0; color: rgba(255,255,255,.58); background: none; border: 0; border-bottom: 1px solid rgba(255,255,255,.2); cursor: pointer; font-size: .76rem; font-weight: 700; letter-spacing: .08em; }
.intro-skip:hover { color: var(--white); }
.intro-bolt { position: absolute; width: 2px; height: 30vh; background: linear-gradient(transparent, rgba(71,130,226,.45), transparent); transform: rotate(24deg); filter: blur(.5px); }
.bolt-one { left: 19%; top: -4%; }
.bolt-two { right: 22%; bottom: -7%; }

/* Header */
.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid rgba(9, 27, 62, .08);
  transition: height .3s var(--ease), box-shadow .3s, background .3s;
}
.site-header.is-scrolled { height: 72px; background: rgba(255,255,255,.92); box-shadow: 0 12px 35px rgba(6, 20, 47, .08); backdrop-filter: blur(18px); }
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { min-width: 210px; display: inline-flex; align-items: center; gap: 12px; }
.brand-mark { width: 48px; height: 57px; display: grid; place-items: center; overflow: hidden; background: var(--white); }
.brand-mark img { width: 46px; height: 55px; object-fit: contain; }
.brand-copy { display: grid; gap: 1px; line-height: 1.1; }
.brand-copy strong { color: var(--navy-800); font-size: 1.28rem; font-weight: 950; letter-spacing: .2em; }
.brand-copy small { color: var(--slate); font-size: .61rem; font-weight: 700; letter-spacing: .05em; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav > a { position: relative; color: #334059; font-size: .82rem; font-weight: 750; }
.main-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--blue-600); transition: right .25s var(--ease); }
.main-nav > a:not(.nav-cta):hover::after { right: 0; }
.main-nav .nav-cta { padding: 11px 17px; color: var(--white); background: var(--navy-800); border-radius: 4px; transition: background .25s, transform .25s; }
.main-nav .nav-cta:hover { background: var(--blue-600); transform: translateY(-1px); }
.lang-toggle { min-width: 66px; padding: 9px 11px; color: var(--navy-800); background: transparent; border: 1px solid var(--line); border-radius: 4px; font-size: .78rem; font-weight: 800; cursor: pointer; }
.lang-toggle:hover { color: var(--white); background: var(--blue-600); border-color: var(--blue-600); }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 9px; background: transparent; border: 0; cursor: pointer; }
.menu-toggle span { display: block; width: 100%; height: 2px; margin: 5px 0; background: var(--navy-800); transition: transform .25s, opacity .25s; }

/* Hero */
.hero { position: relative; min-height: max(680px, 100svh); display: flex; align-items: center; padding-top: var(--header-h); overflow: hidden; color: var(--white); background: var(--navy-950); }
.hero-media { position: absolute; inset: var(--header-h) 0 0; background-image: linear-gradient(90deg, rgba(4, 11, 27, .98) 0%, rgba(5, 15, 35, .9) 30%, rgba(5, 16, 38, .48) 57%, rgba(5, 16, 38, .09) 100%), linear-gradient(0deg, rgba(4, 11, 26, .45), transparent 45%), url("assets/voltx-hero.jpg"); background-position: center; background-size: cover; transform: scale(1.02); animation: heroFocus 1.4s 1.2s var(--ease) both; }
.hero::after { content: ""; position: absolute; inset: var(--header-h) 0 0; opacity: .28; background: radial-gradient(circle at 20% 35%, rgba(63, 121, 211, .18), transparent 30%), linear-gradient(90deg, transparent 49.9%, rgba(255,255,255,.06) 50%, transparent 50.1%); pointer-events: none; }
.hero-inner { position: relative; z-index: 3; padding-top: 60px; padding-bottom: 78px; }
.hero-copy { width: min(680px, 62%); }
.hero-eyebrow { color: #9fc3ff; }
.hero h1 { max-width: 680px; margin: 22px 0 24px; font-size: clamp(3.6rem, 6.4vw, 6.45rem); font-weight: 900; letter-spacing: -.065em; line-height: .92; }
.hero h1 span, .hero h1 em { display: block; }
.hero h1 em { color: var(--blue-400); font-style: normal; }
.hero-lead { max-width: 610px; margin: 0; color: rgba(255,255,255,.76); font-size: clamp(1rem, 1.45vw, 1.2rem); line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-promise { display: grid; grid-template-columns: repeat(4, 1fr); width: min(610px, 100%); margin-top: 58px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.16); }
.hero-promise div { display: grid; gap: 4px; }
.hero-promise strong { color: var(--blue-400); font-size: .67rem; letter-spacing: .18em; }
.hero-promise span { color: rgba(255,255,255,.68); font-size: .78rem; font-weight: 700; }
.hero-circuit { position: absolute; z-index: 2; bottom: 0; left: 0; width: 55%; height: 42%; fill: var(--blue-400); opacity: .16; pointer-events: none; }
.hero-circuit path { fill: none; stroke: var(--blue-400); stroke-width: 1.2; stroke-dasharray: 900; stroke-dashoffset: 900; animation: trace 3s 1.4s ease-out forwards; }
.hero-glow { position: absolute; z-index: 2; left: 25%; top: 38%; width: 300px; aspect-ratio: 1; border-radius: 50%; background: rgba(52, 113, 210, .13); filter: blur(70px); pointer-events: none; transform: translate(-50%, -50%); transition: left .4s ease-out, top .4s ease-out; }
.scroll-cue { position: absolute; z-index: 4; right: 38px; bottom: 32px; width: 28px; height: 48px; display: grid; place-items: start center; padding-top: 9px; border: 1px solid rgba(255,255,255,.3); border-radius: 20px; }
.scroll-cue span { width: 4px; height: 8px; border-radius: 5px; background: var(--white); animation: scrollCue 1.8s infinite; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.hero .reveal:nth-child(2) { transition-delay: .08s; }
.hero .reveal:nth-child(3) { transition-delay: .16s; }
.hero .reveal:nth-child(4) { transition-delay: .24s; }
.hero .reveal:nth-child(5) { transition-delay: .32s; }

/* Proof */
.proof-strip { position: relative; z-index: 5; color: var(--white); background: var(--navy-800); border-top: 1px solid rgba(255,255,255,.08); }
.proof-grid { min-height: 112px; display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid > div { display: flex; align-items: center; gap: 15px; padding: 25px 30px; border-inline-end: 1px solid rgba(255,255,255,.11); }
.proof-grid > div:first-child { padding-inline-start: 0; }
.proof-grid > div:last-child { border-inline-end: 0; }
.proof-icon { width: 38px; height: 38px; flex: 0 0 38px; display: grid; place-items: center; color: var(--blue-400); border: 1px solid rgba(101,159,239,.4); border-radius: 50%; font-size: .68rem; font-weight: 900; }
.proof-grid p { display: grid; margin: 0; line-height: 1.25; }
.proof-grid strong { font-size: .83rem; }
.proof-grid small { margin-top: 5px; color: rgba(255,255,255,.54); font-size: .68rem; }

/* Sections */
.section-head { display: grid; grid-template-columns: 1.35fr .65fr; align-items: end; gap: 70px; margin-bottom: 52px; }
.section-head h2, .calc-copy h2, .about-copy h2, .career-content h2, .contact-copy h2, .delivery-copy h2 { margin: 14px 0 0; font-size: clamp(2.25rem, 4.2vw, 4.1rem); font-weight: 850; letter-spacing: -.052em; line-height: 1.04; }
.section-head p { margin: 0 0 7px; color: var(--slate); }
.services { overflow: hidden; background: var(--soft); }
.services::before { content: "V"; position: absolute; right: -5vw; top: -120px; color: rgba(19, 36, 84, .025); font-size: 48rem; font-weight: 950; line-height: 1; pointer-events: none; }
.service-grid { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card { min-height: 410px; display: flex; flex-direction: column; padding: 30px; color: var(--ink); background: var(--white); border: 1px solid #e3e8f0; border-radius: var(--radius); box-shadow: 0 8px 25px rgba(9, 29, 65, .03); transition: transform .35s var(--ease), color .35s, background .35s, border-color .35s, box-shadow .35s; }
.service-number { align-self: flex-end; color: #acb6c5; font-size: .7rem; font-weight: 800; letter-spacing: .18em; }
.service-icon { width: 58px; height: 58px; display: grid; place-items: center; margin-top: 3px; color: var(--blue-600); background: var(--soft); border: 1px solid #e4e9f0; border-radius: 14px; }
.service-icon svg { width: 31px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { margin: 24px 0 12px; font-size: 1.28rem; line-height: 1.25; }
.service-card p { margin: 0; color: var(--slate); font-size: .88rem; line-height: 1.72; }
.service-card ul { display: grid; gap: 6px; margin: auto 0 0; padding: 22px 0 0; list-style: none; border-top: 1px solid rgba(112,126,151,.16); }
.service-card li { position: relative; padding-inline-start: 17px; color: #4e5b70; font-size: .74rem; font-weight: 700; }
.service-card li::before { content: ""; position: absolute; left: 0; top: .7em; width: 7px; height: 2px; background: var(--blue-500); }
.service-card:hover { color: var(--white); background: linear-gradient(145deg, var(--navy-800), #1e4388); border-color: transparent; box-shadow: 0 30px 70px rgba(10, 31, 77, .25); transform: translateY(-8px); }
.service-card:hover p, .service-card:hover li { color: rgba(255,255,255,.74); }
.service-card:hover .service-number { color: rgba(255,255,255,.48); }
.service-card:hover .service-icon { color: var(--blue-400); background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.17); }
.service-card:hover ul { border-top-color: rgba(255,255,255,.15); }
.service-card:hover li::before { background: var(--blue-400); }

/* Calculator */
.calculator-section { overflow: hidden; color: var(--white); background: var(--navy-950); }
.calc-bg { position: absolute; inset: 0; opacity: .7; background: radial-gradient(circle at 10% 20%, rgba(49, 105, 196, .22), transparent 34%), radial-gradient(circle at 85% 70%, rgba(49, 105, 196, .12), transparent 28%), linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: auto, auto, 70px 70px, 70px 70px; }
.calc-layout { position: relative; display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 80px; }
.calc-copy p { max-width: 570px; margin: 24px 0 0; color: rgba(255,255,255,.63); font-size: 1rem; }
.calc-note { display: flex; align-items: flex-start; gap: 12px; max-width: 550px; margin-top: 34px; padding: 18px; color: rgba(255,255,255,.58); background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.1); border-radius: 10px; font-size: .74rem; line-height: 1.6; }
.calc-note-strong { color: rgba(255,255,255,.73); background: rgba(55, 113, 205, .1); border-color: rgba(91, 150, 236, .28); }
.calc-note svg { width: 20px; flex: 0 0 20px; margin-top: 2px; fill: none; stroke: var(--blue-400); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.calculator { padding: 30px; color: var(--ink); background: var(--white); border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius); box-shadow: 0 40px 100px rgba(0,0,0,.3); }
.calculator-expanded { min-height: 610px; }
.calc-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; }
.calc-top > div { display: grid; }
.calc-top span { font-size: 1.03rem; font-weight: 850; }
.calc-top small { margin-top: 3px; color: #7a8496; font-size: .7rem; }
.live-dot { display: flex !important; align-items: center; gap: 7px; padding: 6px 9px; color: #237650; background: #e8f7f0; border-radius: 30px; }
.live-dot i { width: 7px; height: 7px; border-radius: 50%; background: #31a56f; box-shadow: 0 0 0 5px rgba(49,165,111,.12); animation: livePulse 1.7s infinite; }
.live-dot b { font-size: .61rem; letter-spacing: .08em; text-transform: uppercase; }
.tool-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 24px; padding: 4px; background: var(--navy-900); border-radius: 9px; }
.tool-option { position: relative; padding: 12px 14px; color: rgba(255,255,255,.55); background: transparent; border: 0; border-radius: 6px; cursor: pointer; font-size: .76rem; font-weight: 850; transition: color .2s, background .2s, box-shadow .2s; }
.tool-option.active { color: var(--navy-800); background: var(--white); box-shadow: 0 5px 16px rgba(0,0,0,.18); }
.tool-panel[hidden] { display: none; }
.tool-panel.active { animation: toolPanelIn .35s var(--ease); }
.phase-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin: 24px 0; padding: 4px; background: #eef2f7; border-radius: 8px; }
.phase-option { padding: 10px; color: #657187; background: transparent; border: 0; border-radius: 6px; cursor: pointer; font-size: .76rem; font-weight: 800; }
.phase-option.active { color: var(--white); background: var(--navy-800); box-shadow: 0 6px 18px rgba(19,36,84,.18); }
.calc-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.calc-fields label, .contact-form label, .career-form label { display: grid; gap: 7px; }
.calc-fields label > span, .contact-form label > span, .career-form label > span { color: #606b7d; font-size: .69rem; font-weight: 750; }
.input-unit { display: flex; align-items: center; overflow: hidden; background: var(--soft); border: 1px solid #dfe5ed; border-radius: 7px; transition: border-color .2s, box-shadow .2s; }
.input-unit:focus-within { border-color: var(--blue-500); box-shadow: 0 0 0 3px rgba(63,121,211,.1); }
.input-unit input { width: 100%; height: 46px; min-width: 0; padding: 0 12px; color: var(--navy-800); background: transparent; border: 0; outline: 0; font-size: .93rem; font-weight: 800; }
.input-unit b { min-width: 45px; padding: 0 10px; color: #7c8698; border-inline-start: 1px solid #dfe5ed; font-size: .68rem; text-align: center; }
.calc-select { width: 100%; height: 48px; padding: 0 11px; color: var(--navy-800); background: var(--soft); border: 1px solid #dfe5ed; border-radius: 7px; outline: 0; font-size: .76rem; font-weight: 750; }
.calc-select:focus { border-color: var(--blue-500); box-shadow: 0 0 0 3px rgba(63,121,211,.1); }
.calc-result { margin-top: 22px; padding: 20px; color: var(--white); background: linear-gradient(135deg, var(--navy-850), #18366d); border-radius: 11px; }
.result-primary { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; padding-bottom: 17px; border-bottom: 1px solid rgba(255,255,255,.12); }
.calc-result small { color: rgba(255,255,255,.55); font-size: .66rem; }
.result-primary strong { color: var(--blue-400); font-size: 2.1rem; line-height: 1; }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; padding-top: 16px; }
.result-grid-three { grid-template-columns: repeat(3, 1fr); }
.result-grid > div { display: grid; gap: 4px; }
.result-grid strong { font-size: .87rem; }
.calc-link { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-top: 20px; color: var(--blue-600); font-size: .73rem; font-weight: 850; }
.calculator-disclaimer { display: grid; gap: 3px; margin-top: 14px; padding: 13px 15px; color: #755618; background: #fff8e7; border: 1px solid #ecd8a4; border-radius: 8px; line-height: 1.45; }
.calculator-disclaimer strong { font-size: .68rem; }
.calculator-disclaimer span { font-size: .61rem; }

/* Sectors */
.sectors { background: var(--white); }
.sector-tabs { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sector-tab { position: relative; display: flex; align-items: center; gap: 13px; padding: 22px 20px; background: transparent; border: 0; border-inline-end: 1px solid var(--line); cursor: pointer; text-align: start; }
.sector-tab:last-child { border-inline-end: 0; }
.sector-tab::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -1px; height: 3px; background: var(--blue-600); transition: right .3s var(--ease); }
.sector-tab.active::after { right: 0; }
.sector-tab span { color: #a1aabb; font-size: .62rem; font-weight: 900; }
.sector-tab b { color: #6a7588; font-size: .85rem; }
.sector-tab.active b { color: var(--navy-800); }
.sector-panel { min-height: 400px; display: grid; grid-template-columns: .7fr 1.2fr .34fr; align-items: stretch; margin-top: 28px; overflow: hidden; background: var(--soft); border: 1px solid #e1e7ef; border-radius: var(--radius); }
.sector-visual { position: relative; min-height: 380px; display: grid; place-items: center; overflow: hidden; color: var(--blue-400); background: linear-gradient(145deg, var(--navy-900), var(--navy-800)); }
.sector-visual > svg { position: relative; z-index: 2; width: 126px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 0 18px rgba(77, 139, 234, .35)); }
.sector-rings { position: absolute; inset: 0; display: grid; place-items: center; }
.sector-rings span { position: absolute; width: 230px; aspect-ratio: 1; border: 1px solid rgba(107,163,239,.17); border-radius: 50%; animation: ringTurn 12s linear infinite; }
.sector-rings span:nth-child(2) { width: 310px; border-style: dashed; animation-direction: reverse; animation-duration: 18s; }
.sector-rings span:nth-child(3) { width: 390px; opacity: .4; animation-duration: 26s; }
.sector-visual > small { position: absolute; left: 22px; bottom: 18px; color: rgba(255,255,255,.35); font-size: .63rem; font-weight: 800; letter-spacing: .17em; }
.sector-copy { align-self: center; padding: 58px; }
.sector-copy h3 { max-width: 610px; margin: 15px 0 18px; font-size: clamp(1.8rem, 3vw, 3rem); letter-spacing: -.04em; line-height: 1.07; }
.sector-copy > p { max-width: 650px; margin: 0; color: var(--slate); }
.sector-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 25px; }
.sector-tags span { padding: 7px 10px; color: #516078; background: var(--white); border: 1px solid #dee5ed; border-radius: 4px; font-size: .68rem; font-weight: 700; }
.sector-stat { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 13px; padding: 26px 15px; color: var(--white); background: var(--blue-600); writing-mode: vertical-rl; transform: rotate(180deg); }
.sector-stat span { color: rgba(255,255,255,.62); font-size: .6rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.sector-stat strong { font-size: .9rem; letter-spacing: .2em; }
.sector-stat i { width: 1px; height: 58px; background: rgba(255,255,255,.3); }
.sector-panel.is-switching .sector-copy, .sector-panel.is-switching .sector-visual > svg { animation: sectorSwitch .45s var(--ease); }

/* Delivery */
.delivery { padding-top: 0; }
.delivery-banner { position: relative; overflow: hidden; padding: 65px; color: var(--white); background: var(--navy-950); border-radius: var(--radius-lg); }
.delivery-banner::before { content: ""; position: absolute; width: 420px; aspect-ratio: 1; right: -130px; top: -180px; border: 1px solid rgba(81,142,234,.2); border-radius: 50%; box-shadow: 0 0 0 50px rgba(81,142,234,.035), 0 0 0 100px rgba(81,142,234,.02); }
.delivery-copy { position: relative; z-index: 2; display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.delivery-copy h2 { max-width: 640px; }
.delivery-track { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 55px; }
.delivery-track::before { content: ""; position: absolute; left: 4%; right: 4%; top: 18px; height: 1px; background: linear-gradient(90deg, var(--blue-500), rgba(95,151,234,.15)); }
.delivery-track > div { position: relative; display: grid; gap: 3px; padding-inline-end: 20px; }
.delivery-track span { position: relative; z-index: 2; width: 36px; height: 36px; display: grid; place-items: center; margin-bottom: 18px; color: var(--blue-400); background: var(--navy-950); border: 1px solid rgba(107,163,239,.48); border-radius: 50%; font-size: .61rem; font-weight: 900; }
.delivery-track strong { font-size: .88rem; }
.delivery-track small { color: rgba(255,255,255,.45); font-size: .66rem; }

/* About */
.about { overflow: hidden; background: var(--soft); }
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 90px; }
.about-art { position: relative; min-height: 560px; }
.about-blueprint { position: absolute; inset: 0; overflow: hidden; color: var(--blue-400); background: var(--navy-900); border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.about-blueprint::before { content: ""; position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(rgba(107,163,239,.26) 1px, transparent 1px), linear-gradient(90deg, rgba(107,163,239,.26) 1px, transparent 1px); background-size: 30px 30px; }
.about-blueprint svg { position: absolute; width: 90%; left: 5%; top: 5%; opacity: .22; fill: none; stroke: currentColor; stroke-width: 1; }
.blueprint-mark { position: absolute; inset: 0; display: grid; place-items: center; color: rgba(255,255,255,.94); font-size: clamp(15rem, 26vw, 23rem); font-weight: 950; line-height: 1; transform: scaleX(.77); text-shadow: 0 0 60px rgba(63,121,211,.3); }
.measure { position: absolute; z-index: 2; color: rgba(255,255,255,.38); font-size: .63rem; font-weight: 800; letter-spacing: .13em; }
.measure-top { top: 24px; right: 26px; }
.measure-side { left: 23px; bottom: 25px; writing-mode: vertical-rl; }
.about-badge { position: absolute; right: -28px; bottom: 34px; width: 158px; aspect-ratio: 1; display: grid; place-content: center; padding: 20px; color: var(--white); background: var(--blue-600); border: 7px solid var(--soft); border-radius: 50%; text-align: center; line-height: 1.2; transform: rotate(-8deg); }
.about-badge::before { content: ""; position: absolute; inset: 10px; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; }
.about-badge strong { font-size: .72rem; letter-spacing: .1em; }
.about-badge span { margin-top: 4px; font-size: .58rem; }
.about-copy h2 { max-width: 690px; }
.about-copy > p { margin: 25px 0 0; color: var(--slate); font-size: 1rem; }
.about-points { display: grid; gap: 0; margin-top: 30px; border-top: 1px solid var(--line); }
.about-points > div { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.about-points > div > span { color: var(--blue-600); font-size: .67rem; font-weight: 900; }
.about-points p { display: grid; gap: 3px; margin: 0; }
.about-points strong { font-size: .88rem; }
.about-points small { color: var(--slate); font-size: .73rem; }

/* Careers */
.careers { overflow: hidden; background: var(--white); }
.careers::before { content: ""; position: absolute; left: -160px; top: 100px; width: 430px; aspect-ratio: 1; border: 1px solid rgba(59, 118, 205, .12); border-radius: 50%; box-shadow: 0 0 0 60px rgba(59,118,205,.025), 0 0 0 120px rgba(59,118,205,.015); }
.career-shell { position: relative; display: grid; grid-template-columns: .82fr 1.18fr; overflow: hidden; background: var(--soft); border: 1px solid #dde4ed; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.career-visual { position: relative; min-height: 830px; overflow: hidden; background: var(--navy-900); }
.career-visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 35%; transition: transform .9s var(--ease); }
.career-shell:hover .career-visual img { transform: scale(1.025); }
.career-visual-shade { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5,13,31,.95) 0%, rgba(7,18,43,.15) 52%, rgba(7,18,43,.02) 100%); }
.career-visual-copy { position: absolute; z-index: 2; left: 42px; right: 42px; bottom: 42px; display: grid; gap: 10px; color: var(--white); }
.career-visual-copy span { color: var(--blue-400); font-size: .65rem; font-weight: 900; letter-spacing: .18em; }
.career-visual-copy strong { max-width: 430px; font-size: clamp(1.6rem, 2.5vw, 2.5rem); letter-spacing: -.035em; line-height: 1.08; }
.career-visual-badge { position: absolute; z-index: 2; top: 25px; left: 25px; display: grid; padding: 12px 15px; color: var(--white); background: rgba(7,20,48,.78); border: 1px solid rgba(255,255,255,.18); border-radius: 6px; backdrop-filter: blur(12px); line-height: 1.15; }
.career-visual-badge b { letter-spacing: .18em; }
.career-visual-badge small { color: var(--blue-400); font-size: .55rem; font-weight: 850; letter-spacing: .14em; }
.career-content { align-self: center; padding: 58px 62px; }
.career-content h2 { max-width: 670px; }
.career-content > p { max-width: 700px; margin: 18px 0 0; color: var(--slate); }
.career-form { display: grid; gap: 14px; margin-top: 30px; }
.career-form input:not([type="file"]), .career-form select, .career-form textarea { width: 100%; padding: 12px 13px; color: var(--ink); background: var(--white); border: 1px solid #d7e0e9; border-radius: 7px; outline: 0; transition: border-color .2s, box-shadow .2s; }
.career-form input:not([type="file"]):focus, .career-form select:focus, .career-form textarea:focus { border-color: var(--blue-500); box-shadow: 0 0 0 3px rgba(63,121,211,.1); }
.career-form textarea { min-height: 92px; resize: vertical; }
.cv-upload { grid-template-columns: auto 1fr auto !important; align-items: center; gap: 13px !important; min-height: 78px; padding: 13px 15px; background: var(--white); border: 1px dashed #b8c5d7; border-radius: 9px; cursor: pointer; transition: border-color .2s, background .2s; }
.cv-upload:hover { background: #f9fbff; border-color: var(--blue-500); }
.cv-upload input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.cv-icon { width: 43px; height: 43px; display: grid; place-items: center; color: var(--blue-600); background: #edf4ff; border-radius: 9px; }
.cv-icon svg { width: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.cv-copy { display: grid; min-width: 0; line-height: 1.35; }
.cv-copy strong { color: var(--navy-800); font-size: .78rem; }
.cv-copy small { overflow: hidden; color: #7c8798; font-size: .62rem; text-overflow: ellipsis; white-space: nowrap; }
.cv-upload > b { padding: 8px 10px; color: var(--blue-600); background: #edf4ff; border-radius: 5px; font-size: .62rem; white-space: nowrap; }
.career-submit { width: 100%; border: 0; cursor: pointer; }
.career-status { display: none; padding: 10px 12px; border-radius: 7px; font-size: .68rem; font-weight: 700; }
.career-status.is-error { display: block; color: #9a2935; background: #fff0f2; border: 1px solid #f0c5cb; }
.career-status.is-ready { display: block; color: #226d4c; background: #eaf7f0; border: 1px solid #bfe3cf; }
.career-note { color: #7e899a; font-size: .61rem; line-height: 1.55; text-align: center; }

/* Contact */
.contact { background: var(--white); }
.contact-shell { display: grid; grid-template-columns: .92fr 1.08fr; overflow: hidden; color: var(--white); background: var(--navy-900); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.contact-copy { position: relative; overflow: hidden; padding: 66px; }
.contact-copy::after { content: "X"; position: absolute; right: -40px; bottom: -130px; color: rgba(84,145,232,.06); font-size: 24rem; font-weight: 950; line-height: 1; }
.contact-copy h2 { position: relative; z-index: 2; }
.contact-copy > p { position: relative; z-index: 2; max-width: 540px; margin: 22px 0 0; color: rgba(255,255,255,.58); }
.contact-list { position: relative; z-index: 2; display: grid; gap: 0; margin-top: 38px; border-top: 1px solid rgba(255,255,255,.12); }
.contact-list > * { display: flex; align-items: center; gap: 16px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.contact-list > a:hover strong { color: var(--blue-400); }
.contact-list > * > span { color: var(--blue-400); font-size: .62rem; font-weight: 900; }
.contact-list p { display: grid; margin: 0; line-height: 1.35; }
.contact-list small { color: rgba(255,255,255,.45); font-size: .62rem; }
.contact-list strong { margin-top: 3px; font-size: .84rem; transition: color .2s; }
.contact-form { padding: 66px; color: var(--ink); background: var(--soft); }
.form-head { display: grid; margin-bottom: 26px; }
.form-head strong { color: var(--navy-800); font-size: 1.25rem; }
.form-head span { color: #778195; font-size: .7rem; }
.contact-form { display: grid; gap: 16px; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; padding: 13px 14px; color: var(--ink); background: var(--white); border: 1px solid #dce3eb; border-radius: 7px; outline: 0; transition: border-color .2s, box-shadow .2s; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--blue-500); box-shadow: 0 0 0 3px rgba(63,121,211,.1); }
.contact-form textarea { resize: vertical; min-height: 108px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-submit { width: 100%; border: 0; cursor: pointer; }
.form-note { color: #8791a1; font-size: .62rem; text-align: center; }

/* Footer */
.site-footer { color: rgba(255,255,255,.68); background: var(--navy-950); }
.footer-main { min-height: 165px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 50px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand { display: inline-flex; align-items: center; gap: 12px; justify-self: start; }
.footer-brand > span { width: 60px; height: 70px; display: grid; place-items: center; padding: 0; background: transparent; }
.footer-brand img { width: 58px; height: 68px; object-fit: contain; filter: drop-shadow(0 10px 22px rgba(63,121,211,.18)); }
.footer-brand p { display: grid; margin: 0; line-height: 1.2; }
.footer-brand strong { color: var(--white); font-size: 1rem; letter-spacing: .18em; }
.footer-brand small { margin-top: 3px; font-size: .58rem; }
.footer-links { display: flex; justify-content: center; gap: 24px; }
.footer-links a { font-size: .72rem; font-weight: 700; }
.footer-links a:hover { color: var(--white); }
.footer-careers { display: grid; justify-items: end; line-height: 1.35; }
.footer-careers small { color: rgba(255,255,255,.4); font-size: .62rem; }
.footer-careers a { color: var(--blue-400); font-size: .78rem; font-weight: 800; }
.footer-bottom { min-height: 65px; display: flex; justify-content: space-between; align-items: center; gap: 25px; color: rgba(255,255,255,.35); font-size: .65rem; }
.footer-bottom i { font-style: normal; }
.back-top { position: fixed; z-index: 800; right: 20px; bottom: 20px; width: 43px; height: 43px; display: grid; place-items: center; color: var(--white); background: var(--blue-600); border: 0; border-radius: 50%; box-shadow: 0 12px 30px rgba(47,101,189,.35); cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity .25s, visibility .25s, transform .25s; }
.back-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.back-top svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* RTL */
body[dir="rtl"] .main-nav > a:not(.nav-cta)::after, body[dir="rtl"] .service-card li::before { left: auto; right: 0; }
body[dir="rtl"] .main-nav > a:not(.nav-cta)::after { left: 100%; }
body[dir="rtl"] .main-nav > a:not(.nav-cta):hover::after { left: 0; }
body[dir="rtl"] .eyebrow { letter-spacing: 0; }
body[dir="rtl"] .intro-kicker { letter-spacing: .03em; }
body[dir="rtl"] .hero h1 { letter-spacing: -.025em; line-height: 1.1; }
body[dir="rtl"] .service-card li { padding-right: 17px; padding-left: 0; }
body[dir="rtl"] .sector-visual > small { left: auto; right: 22px; }
body[dir="rtl"] .sector-stat { transform: none; }
body[dir="rtl"] .contact-copy::after { right: auto; left: -40px; }
body[dir="rtl"] .intro-skip { right: auto; left: 28px; }
body[dir="rtl"] .career-visual-copy { left: 42px; right: 42px; }
body[dir="rtl"] .career-visual-badge { left: auto; right: 25px; }

/* Animations */
@keyframes logoReveal { to { opacity: 1; transform: none; } }
@keyframes fadeUp { to { opacity: 1; transform: none; } }
@keyframes charge { to { transform: none; } }
@keyframes gridPulse { 0% { opacity: 0; } 45% { opacity: .24; } 100% { opacity: .12; } }
@keyframes introRing { to { opacity: .6; transform: translate(-50%, -50%) scale(1); } }
@keyframes heroFocus { from { opacity: 0; transform: scale(1.09); } to { opacity: 1; transform: scale(1.02); } }
@keyframes trace { to { stroke-dashoffset: 0; } }
@keyframes scrollCue { 0% { opacity: 0; transform: translateY(0); } 35% { opacity: 1; } 80%,100% { opacity: 0; transform: translateY(18px); } }
@keyframes livePulse { 50% { box-shadow: 0 0 0 8px rgba(49,165,111,0); } }
@keyframes ringTurn { to { transform: rotate(360deg); } }
@keyframes sectorSwitch { 0% { opacity: .25; transform: translateY(10px); } 100% { opacity: 1; transform: none; } }
@keyframes toolPanelIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* Responsive */
@media (max-width: 1080px) {
  .main-nav { gap: 13px; }
  .main-nav > a { font-size: .76rem; }
  .brand { min-width: 180px; }
  .hero-copy { width: 70%; }
  .proof-grid > div { padding-inline: 18px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .calc-layout { gap: 45px; }
  .sector-panel { grid-template-columns: .65fr 1.15fr .2fr; }
  .sector-copy { padding: 42px; }
  .about-grid { gap: 60px; }
  .career-content { padding: 48px 42px; }
  .contact-copy, .contact-form { padding: 50px; }
}

@media (max-width: 860px) {
  :root { --header-h: 72px; }
  .container { width: min(calc(100% - 34px), var(--container)); }
  .section { padding: 84px 0; }
  .menu-toggle { display: block; }
  .menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.is-open span:nth-child(2) { opacity: 0; }
  .menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .main-nav { position: absolute; left: 17px; right: 17px; top: calc(100% + 8px); display: grid; gap: 0; padding: 12px; background: rgba(255,255,255,.98); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .25s, visibility .25s, transform .25s; }
  .main-nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .main-nav > a { padding: 13px; }
  .main-nav > a:not(.nav-cta)::after { display: none; }
  .main-nav .nav-cta { text-align: center; }
  .lang-toggle { width: 100%; margin-top: 7px; }
  .brand-mark { width: 42px; height: 50px; }
  .brand-mark img { width: 40px; height: 48px; }
  .hero { min-height: 780px; }
  .hero-media { background-image: linear-gradient(90deg, rgba(4,11,27,.97) 0%, rgba(4,12,29,.85) 48%, rgba(5,15,35,.24) 100%), linear-gradient(0deg, rgba(4,11,26,.65), transparent 48%), url("assets/voltx-hero.jpg"); background-position: 62% center; }
  .hero-copy { width: 74%; }
  .hero h1 { font-size: clamp(3.2rem, 10vw, 5rem); }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-grid > div { border-bottom: 1px solid rgba(255,255,255,.11); }
  .section-head { grid-template-columns: 1fr; gap: 24px; }
  .section-head p { max-width: 650px; }
  .calc-layout { grid-template-columns: 1fr; }
  .calc-copy { max-width: 700px; }
  .calculator { max-width: 680px; width: 100%; justify-self: center; }
  .sector-tabs { grid-template-columns: repeat(2, 1fr); }
  .sector-tab:nth-child(2) { border-inline-end: 0; }
  .sector-panel { grid-template-columns: .8fr 1.2fr; }
  .sector-stat { grid-column: 1 / -1; min-height: 52px; flex-direction: row; writing-mode: horizontal-tb; transform: none; }
  .sector-stat i { width: 58px; height: 1px; }
  .delivery-banner { padding: 48px; }
  .delivery-track { grid-template-columns: repeat(5, minmax(120px, 1fr)); overflow-x: auto; padding-bottom: 12px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-art { min-height: 480px; max-width: 640px; width: 100%; }
  .career-shell { grid-template-columns: 1fr; }
  .career-visual { min-height: 650px; }
  .career-content { padding: 48px; }
  .contact-shell { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; padding: 35px 0; }
  .footer-links { grid-row: 2; grid-column: 1 / -1; justify-content: flex-start; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 26px), var(--container)); }
  .section { padding: 70px 0; }
  .brand { min-width: auto; }
  .brand-copy small { display: none; }
  .brand-copy strong { font-size: 1.04rem; }
  .hero { min-height: 780px; align-items: flex-end; }
  .hero-media { background-image: linear-gradient(90deg, rgba(4,11,27,.74), rgba(4,12,29,.3)), linear-gradient(0deg, rgba(4,11,26,.98) 0%, rgba(4,11,26,.84) 46%, rgba(4,11,26,.12) 100%), url("assets/voltx-hero.jpg"); background-position: 67% top; background-size: auto 100%, auto 100%, auto 62%; background-repeat: no-repeat; }
  .hero-copy { width: 100%; }
  .hero-inner { padding-top: 310px; padding-bottom: 64px; }
  .hero h1 { margin-top: 17px; font-size: clamp(3rem, 15vw, 4.4rem); }
  .hero-lead { font-size: .94rem; line-height: 1.65; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .button { width: 100%; }
  .hero-promise { margin-top: 34px; }
  .hero-promise span { font-size: .65rem; }
  .scroll-cue { display: none; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-grid > div, .proof-grid > div:first-child { padding: 18px 0; border-inline-end: 0; }
  .proof-grid > div:last-child { border-bottom: 0; }
  .section-head h2, .calc-copy h2, .about-copy h2, .career-content h2, .contact-copy h2, .delivery-copy h2 { font-size: clamp(2.05rem, 10vw, 3.15rem); }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 390px; }
  .calculator { padding: 20px; }
  .calc-fields, .result-grid, .result-grid-three { grid-template-columns: 1fr; }
  .result-primary { align-items: flex-start; flex-direction: column; gap: 8px; }
  .sector-tabs { grid-template-columns: 1fr 1fr; }
  .sector-tab { padding: 17px 12px; }
  .sector-panel { grid-template-columns: 1fr; }
  .sector-visual { min-height: 280px; }
  .sector-copy { padding: 32px 24px; }
  .delivery-banner { padding: 36px 24px; border-radius: var(--radius); }
  .delivery-track { margin-top: 40px; }
  .about-art { min-height: 390px; }
  .about-badge { width: 125px; right: -3px; bottom: 20px; border-width: 5px; }
  .career-shell { width: calc(100% - 4px); }
  .career-visual { min-height: 540px; }
  .career-visual-copy { left: 25px; right: 25px; bottom: 27px; }
  .career-content { padding: 36px 22px; }
  .cv-upload { grid-template-columns: auto 1fr !important; }
  .cv-upload > b { display: none; }
  .contact-shell { width: calc(100% - 18px); }
  .contact-copy, .contact-form { padding: 38px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; }
  .footer-links { grid-column: 1; grid-row: auto; flex-wrap: wrap; justify-content: flex-start; }
  .footer-careers { justify-items: start; }
  .footer-bottom { padding: 22px 0; align-items: flex-start; flex-direction: column; }
  .intro-logo-wrap { width: 138px; height: 160px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}