/* ═══════════════════════════════════════════════════════════
   MZH ELECTRONICS — High-tech PCB / PCBA portal
   Design system: deep-space navy · solder-mask green · cyan · copper
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg-0: #04070d;
  --bg-1: #060b14;
  --bg-2: #0a1220;
  --bg-3: #0e1830;
  --line: rgba(120, 170, 255, 0.10);
  --line-strong: rgba(120, 170, 255, 0.22);
  --pri: #00e5a0;
  --pri-dim: rgba(0, 229, 160, 0.14);
  --sec: #00c2ff;
  --sec-dim: rgba(0, 194, 255, 0.12);
  --cop: #ffb02e;
  --txt: #e9f2ff;
  --txt-2: #9db2cc;
  --txt-3: #647691;
  --font-d: "Space Grotesk", "Noto Sans SC", system-ui, sans-serif;
  --font-b: "Inter", "Noto Sans SC", system-ui, sans-serif;
  --font-m: "JetBrains Mono", "SFMono-Regular", monospace;
  --rad: 14px;
  --nav-h: 72px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --glow-pri: 0 0 24px rgba(0, 229, 160, 0.35);
  --glow-sec: 0 0 24px rgba(0, 194, 255, 0.30);
}

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

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }
html:focus-within { scroll-behavior: smooth; }

body {
  background: var(--bg-0);
  color: var(--txt);
  font-family: var(--font-b);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(0, 229, 160, 0.28); color: #fff; }

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; }
address { font-style: normal; }

.container { width: min(1240px, 92vw); margin-inline: auto; }
.section { position: relative; padding: clamp(84px, 10vw, 140px) 0; }

/* ── ambient layers ─────────────────────────────────────── */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(90, 140, 220, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 140, 220, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, #000 30%, transparent 78%);
}
.bg-noise {
  position: fixed; inset: -50%; z-index: 1; pointer-events: none; opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  animation: noiseShift 0.9s steps(2) infinite;
}
@keyframes noiseShift {
  0% { transform: translate(0, 0); }
  50% { transform: translate(1.2%, -0.8%); }
  100% { transform: translate(-0.6%, 1%); }
}
.scanline {
  position: fixed; left: 0; right: 0; top: -12%; height: 12%; z-index: 2; pointer-events: none;
  background: linear-gradient(to bottom, transparent, rgba(0, 229, 160, 0.035) 45%, rgba(0, 194, 255, 0.05) 55%, transparent);
  animation: scanMove 9s linear infinite;
}
@keyframes scanMove { to { top: 112%; } }

/* ── custom cursor ──────────────────────────────────────── */
.cursor-dot, .cursor-ring { position: fixed; top: 0; left: 0; z-index: 9999; pointer-events: none; border-radius: 50%; }
.cursor-dot { width: 6px; height: 6px; background: var(--pri); box-shadow: var(--glow-pri); transform: translate(-50%, -50%); }
.cursor-ring {
  width: 34px; height: 34px; border: 1px solid rgba(0, 229, 160, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.25s var(--ease-out), height 0.25s var(--ease-out), border-color 0.25s, background 0.25s;
}
.cursor-ring.is-hot { width: 56px; height: 56px; border-color: rgba(0, 194, 255, 0.8); background: rgba(0, 194, 255, 0.06); }
@media (hover: none), (pointer: coarse) { .cursor-dot, .cursor-ring { display: none; } }

/* ── preloader ──────────────────────────────────────────── */
#preloader {
  position: fixed; inset: 0; z-index: 10000; display: grid; place-items: center;
  background: var(--bg-0);
  transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}
#preloader.is-done { opacity: 0; visibility: hidden; }
.pre-inner { display: grid; place-items: center; gap: 18px; }
.pre-board { fill: rgba(0, 229, 160, 0.05); stroke: rgba(0, 229, 160, 0.35); stroke-width: 1.5; }
.pre-trace {
  fill: none; stroke: var(--pri); stroke-width: 3; stroke-linecap: round;
  stroke-dasharray: 60; stroke-dashoffset: 60;
  animation: traceDraw 1.6s var(--ease-out) infinite;
  filter: drop-shadow(0 0 6px rgba(0, 229, 160, 0.8));
}
.pre-via { fill: none; stroke: var(--sec); stroke-width: 2.5; animation: pulseFade 1.6s ease-in-out infinite; }
.pre-via-core { fill: var(--cop); animation: pulseFade 1.6s ease-in-out infinite 0.3s; }
@keyframes traceDraw {
  0% { stroke-dashoffset: 60; }
  55% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -60; }
}
@keyframes pulseFade { 0%, 100% { opacity: 0.25; } 50% { opacity: 1; } }
.pre-brand { font-family: var(--font-m); font-size: 13px; letter-spacing: 0.42em; color: var(--txt-2); }
.pre-brand span { color: var(--pri); }
.pre-bar { width: 220px; height: 2px; background: rgba(255, 255, 255, 0.08); border-radius: 2px; overflow: hidden; }
.pre-bar i { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--pri), var(--sec)); box-shadow: var(--glow-pri); transition: width 0.15s linear; }
.pre-pct { font-family: var(--font-m); font-size: 12px; color: var(--txt-3); }

/* ── buttons ────────────────────────────────────────────── */
.btn {
  position: relative; display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 30px; border-radius: 10px;
  font-family: var(--font-d); font-weight: 600; font-size: 15px; letter-spacing: 0.04em;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s, background 0.3s, border-color 0.3s;
  overflow: hidden; isolation: isolate;
}
.btn::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, 0.22) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.7s var(--ease-out);
}
.btn:hover::after { transform: translateX(120%); }
.btn:active { transform: scale(0.97); }
.btn-sm { padding: 10px 20px; font-size: 13.5px; border-radius: 8px; }
.btn-primary {
  color: #03130c;
  background: linear-gradient(135deg, var(--pri), #2ee6c0);
  box-shadow: 0 6px 28px rgba(0, 229, 160, 0.30);
}
.btn-primary:hover { box-shadow: 0 8px 40px rgba(0, 229, 160, 0.5); transform: translateY(-2px); }
.btn-ghost {
  color: var(--txt); border: 1px solid var(--line-strong);
  background: rgba(10, 18, 32, 0.5); backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--sec); box-shadow: var(--glow-sec); transform: translateY(-2px); }

/* ── nav ────────────────────────────────────────────────── */
#siteNav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  transition: background 0.4s, border-color 0.4s, transform 0.45s var(--ease-out);
  border-bottom: 1px solid transparent;
}
#siteNav.is-solid {
  background: rgba(5, 9, 16, 0.78);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--line);
}
#siteNav.is-hidden { transform: translateY(-100%); }
.nav-inner {
  width: min(1360px, 94vw); margin-inline: auto; height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--txt); }
.brand-name { font-family: var(--font-d); font-weight: 700; font-size: 17px; letter-spacing: 0.12em; display: flex; align-items: baseline; gap: 8px; }
.brand-name em { font-style: normal; font-size: 12px; font-weight: 500; letter-spacing: 0.22em; color: var(--pri); }
.nav-links { display: flex; gap: 6px; }
.nav-links a {
  position: relative; padding: 9px 14px; border-radius: 8px;
  font-size: 14.5px; font-weight: 500; color: var(--txt-2);
  transition: color 0.25s, background 0.25s;
}
.nav-links a:hover, .nav-links a.is-active { color: var(--txt); background: rgba(120, 170, 255, 0.07); }
.nav-links a.is-active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--pri), var(--sec)); box-shadow: var(--glow-pri);
}
.nav-ops { display: flex; align-items: center; gap: 14px; }
.lang-toggle {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 12px; border-radius: 999px; border: 1px solid var(--line-strong);
  font-family: var(--font-m); font-size: 12.5px; color: var(--txt-2);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.lang-toggle:hover { border-color: var(--pri); box-shadow: var(--glow-pri); }
.lang-toggle i { width: 1px; height: 12px; background: var(--line-strong); }
.lang-opt { transition: color 0.25s; }
.lang-opt.is-on { color: var(--pri); font-weight: 700; }
.burger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.burger i { width: 22px; height: 2px; background: var(--txt); border-radius: 2px; transition: transform 0.3s var(--ease-out), opacity 0.3s; }
.burger.is-open i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open i:nth-child(2) { opacity: 0; }
.burger.is-open i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── hero ───────────────────────────────────────────────── */
#hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  padding-top: var(--nav-h); overflow: hidden;
}
#pcb3d { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero-fallback {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 60% 45% at 68% 42%, rgba(0, 229, 160, 0.10), transparent 65%),
    radial-gradient(ellipse 45% 40% at 30% 65%, rgba(0, 194, 255, 0.08), transparent 60%),
    var(--bg-0);
}
.hero-vignette {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(to right, rgba(4, 7, 13, 0.88) 0%, rgba(4, 7, 13, 0.55) 34%, transparent 62%),
    linear-gradient(to top, var(--bg-0) 0%, transparent 22%);
}
.hero-content { position: relative; z-index: 2; }
.hero-overline {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--font-m); font-size: 13px; letter-spacing: 0.34em; color: var(--pri);
  padding: 10px 18px; border: 1px solid rgba(0, 229, 160, 0.28); border-radius: 999px;
  background: rgba(0, 229, 160, 0.05); backdrop-filter: blur(6px);
  box-shadow: inset 0 0 24px rgba(0, 229, 160, 0.08);
}
.hero-overline .tick { width: 6px; height: 6px; border-radius: 50%; background: var(--pri); box-shadow: var(--glow-pri); animation: pulseFade 2s ease-in-out infinite; }
.hero-title {
  margin: 30px 0 26px;
  font-family: var(--font-d); font-weight: 700;
  font-size: clamp(46px, 8.4vw, 108px); line-height: 1.04; letter-spacing: 0.01em;
}
.ht-line { display: block; overflow: hidden; }
.ht-word { display: inline-block; }
.ht-word.grad {
  background: linear-gradient(100deg, var(--pri) 5%, var(--sec) 55%, var(--cop) 105%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 26px rgba(0, 194, 255, 0.25));
}
.hero-sub { max-width: 560px; color: var(--txt-2); font-size: clamp(15px, 1.4vw, 17.5px); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 38px; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 46px; }
.hero-chips li {
  display: flex; align-items: baseline; gap: 8px;
  padding: 11px 18px; border-radius: 10px;
  border: 1px solid var(--line); background: rgba(8, 14, 26, 0.55); backdrop-filter: blur(8px);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s var(--ease-out);
}
.hero-chips li:hover { border-color: rgba(0, 229, 160, 0.45); box-shadow: var(--glow-pri); transform: translateY(-3px); }
.hero-chips b { font-family: var(--font-d); font-size: 19px; color: var(--pri); }
.hero-chips span { font-size: 12.5px; color: var(--txt-3); letter-spacing: 0.06em; }
.hero-hud {
  position: absolute; z-index: 2; display: flex; align-items: center; gap: 9px;
  font-family: var(--font-m); font-size: 11px; letter-spacing: 0.22em; color: var(--txt-3);
}
.hud-tl { top: calc(var(--nav-h) + 26px); left: 3vw; }
.hud-tr { top: calc(var(--nav-h) + 26px); right: 3vw; }
.hud-bl { bottom: 34px; left: 3vw; }
.hud-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--sec); box-shadow: var(--glow-sec); animation: pulseFade 1.8s ease-in-out infinite; }
.hero-scroll {
  position: absolute; right: 3vw; bottom: 34px; z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: var(--font-m); font-size: 10.5px; letter-spacing: 0.3em; color: var(--txt-3);
  writing-mode: vertical-rl;
}
.hs-track { width: 1px; height: 58px; background: rgba(255, 255, 255, 0.12); overflow: hidden; }
.hs-track i { display: block; width: 100%; height: 20px; background: var(--pri); box-shadow: var(--glow-pri); animation: scrollHint 1.8s var(--ease-out) infinite; }
@keyframes scrollHint { 0% { transform: translateY(-22px); } 100% { transform: translateY(62px); } }

/* ── marquee ────────────────────────────────────────────── */
.marquee {
  position: relative; z-index: 3; overflow: hidden;
  border-block: 1px solid var(--line);
  background: rgba(7, 12, 22, 0.72); backdrop-filter: blur(10px);
  padding: 17px 0;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track { display: flex; align-items: center; gap: 34px; width: max-content; animation: marquee 36s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-family: var(--font-d); font-size: 14px; font-weight: 600; letter-spacing: 0.2em;
  color: var(--txt-2); white-space: nowrap;
}
.marquee-track i { color: var(--pri); font-style: normal; font-size: 9px; text-shadow: var(--glow-pri); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ── section heads ──────────────────────────────────────── */
.sec-head { max-width: 720px; margin-bottom: clamp(44px, 5vw, 68px); }
.sec-overline { font-family: var(--font-m); font-size: 12.5px; letter-spacing: 0.4em; color: var(--sec); margin-bottom: 16px; }
.sec-overline span { position: relative; padding-left: 34px; }
.sec-overline span::before {
  content: ""; position: absolute; left: 0; top: 50%; width: 24px; height: 1px;
  background: linear-gradient(90deg, var(--sec), transparent); box-shadow: var(--glow-sec);
}
.sec-title {
  font-family: var(--font-d); font-weight: 700;
  font-size: clamp(30px, 4.4vw, 52px); line-height: 1.16; letter-spacing: 0.01em;
}
.sec-sub { margin-top: 16px; color: var(--txt-2); font-size: clamp(14.5px, 1.25vw, 16.5px); }

/* ── stats ──────────────────────────────────────────────── */
#stats { padding-top: clamp(64px, 7vw, 96px); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat {
  position: relative; padding: 30px 26px 26px; border-radius: var(--rad);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(14, 24, 48, 0.55), rgba(8, 13, 24, 0.7));
  backdrop-filter: blur(10px); overflow: hidden;
}
.stat::before {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--pri), transparent);
  opacity: 0; transition: opacity 0.4s;
}
.stat:hover::before { opacity: 1; }
.stat-num { font-family: var(--font-d); font-weight: 700; font-size: clamp(34px, 3.6vw, 50px); line-height: 1; color: var(--txt); display: flex; align-items: baseline; gap: 4px; }
.stat-num em { font-style: normal; font-size: 0.5em; color: var(--pri); }
.stat-label { margin-top: 10px; color: var(--txt-3); font-size: 13.5px; letter-spacing: 0.08em; }
.stat-bar { margin-top: 18px; height: 3px; border-radius: 3px; background: rgba(255, 255, 255, 0.07); overflow: hidden; }
.stat-bar i { display: block; width: 0; height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--pri), var(--sec)); box-shadow: var(--glow-pri); transition: width 1.4s var(--ease-out) 0.2s; }
.stat.is-inview .stat-bar i { width: calc(var(--p) * 100%); }

/* ── services ───────────────────────────────────────────── */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.svc-card {
  position: relative; padding: 34px 30px 30px; border-radius: var(--rad);
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(14, 24, 48, 0.5), rgba(7, 11, 20, 0.75));
  backdrop-filter: blur(10px);
  transition: border-color 0.35s, box-shadow 0.35s;
  transform-style: preserve-3d; overflow: hidden;
}
.svc-card:hover { border-color: rgba(0, 229, 160, 0.4); box-shadow: 0 18px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 229, 160, 0.08); }
.svc-glow {
  position: absolute; inset: 0; opacity: 0; transition: opacity 0.4s; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(0, 229, 160, 0.12), transparent 45%);
}
.svc-card:hover .svc-glow { opacity: 1; }
.svc-icon {
  width: 62px; height: 62px; display: grid; place-items: center;
  border-radius: 14px; color: var(--pri);
  border: 1px solid rgba(0, 229, 160, 0.25); background: var(--pri-dim);
  box-shadow: inset 0 0 20px rgba(0, 229, 160, 0.1);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s;
  transform: translateZ(30px);
}
.svc-icon svg { width: 32px; height: 32px; }
.svc-card:hover .svc-icon { transform: translateZ(30px) scale(1.08) rotate(-4deg); box-shadow: inset 0 0 24px rgba(0, 229, 160, 0.2), var(--glow-pri); }
.svc-card h3 { margin-top: 22px; font-family: var(--font-d); font-size: 21px; font-weight: 600; transform: translateZ(24px); }
.svc-card p { margin-top: 12px; color: var(--txt-2); font-size: 14.5px; transform: translateZ(16px); }
.svc-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; transform: translateZ(12px); }
.svc-tags span {
  font-family: var(--font-m); font-size: 10.5px; letter-spacing: 0.1em; color: var(--sec);
  padding: 5px 10px; border-radius: 6px; border: 1px solid rgba(0, 194, 255, 0.25); background: var(--sec-dim);
}
.svc-index {
  position: absolute; top: 20px; right: 24px;
  font-family: var(--font-m); font-size: 13px; color: var(--txt-3); opacity: 0.55; letter-spacing: 0.14em;
}

/* ── capabilities ───────────────────────────────────────── */
#capabilities { background: linear-gradient(to bottom, transparent, rgba(8, 13, 26, 0.6) 18%, rgba(8, 13, 26, 0.6) 82%, transparent); }
.cap-tabs {
  position: relative; display: inline-flex; gap: 4px; padding: 5px;
  border-radius: 12px; border: 1px solid var(--line); background: rgba(7, 12, 22, 0.7);
  margin-bottom: 26px; backdrop-filter: blur(10px);
}
.cap-tab {
  position: relative; z-index: 1; padding: 11px 22px; border-radius: 9px;
  font-family: var(--font-d); font-size: 14px; font-weight: 600; color: var(--txt-3);
  transition: color 0.3s;
}
.cap-tab:hover { color: var(--txt); }
.cap-tab.is-active { color: #03130c; }
.cap-tab-ink {
  position: absolute; top: 5px; bottom: 5px; left: 0; width: 0; border-radius: 9px;
  background: linear-gradient(135deg, var(--pri), #2ee6c0);
  box-shadow: 0 4px 20px rgba(0, 229, 160, 0.35);
  transition: left 0.4s var(--ease-out), width 0.4s var(--ease-out);
}
.cap-panel {
  display: grid; grid-template-columns: 1fr 290px; gap: 0;
  border-radius: var(--rad); border: 1px solid var(--line); overflow: hidden;
  background: linear-gradient(170deg, rgba(13, 22, 44, 0.6), rgba(7, 11, 20, 0.8));
  backdrop-filter: blur(12px);
}
.cap-table { display: flex; flex-direction: column; }
.cap-row {
  display: grid; grid-template-columns: 1.15fr 1fr 1fr;
  border-bottom: 1px solid var(--line);
  transition: background 0.25s;
}
.cap-row:last-child { border-bottom: 0; }
.cap-row:not(.cap-row-head):hover { background: rgba(0, 229, 160, 0.045); }
.cap-row:not(.cap-row-head):hover .cap-cell:first-child { color: var(--pri); }
.cap-cell { padding: 15px 22px; font-size: 14px; color: var(--txt-2); transition: color 0.25s; }
.cap-cell.v { font-family: var(--font-m); font-size: 13px; color: var(--txt); }
.cap-row-head { background: rgba(120, 170, 255, 0.05); }
.cap-row-head .cap-cell { font-family: var(--font-d); font-weight: 600; font-size: 12.5px; letter-spacing: 0.14em; color: var(--txt-3); }
.cap-row.switching .cap-cell.v { animation: cellFlash 0.5s var(--ease-out); }
@keyframes cellFlash {
  0% { opacity: 0; transform: translateY(7px); color: var(--pri); text-shadow: var(--glow-pri); }
  100% { opacity: 1; transform: none; }
}
.cap-side {
  border-left: 1px solid var(--line); padding: 34px 28px;
  display: flex; flex-direction: column; align-items: flex-start; gap: 20px;
  background: radial-gradient(ellipse 120% 60% at 50% 0%, rgba(0, 194, 255, 0.07), transparent 60%);
}
.cap-side-ring {
  position: relative; width: 148px; height: 148px; border-radius: 50%;
  display: grid; place-items: center; align-self: center; text-align: center;
  background:
    radial-gradient(circle at center, var(--bg-1) 58%, transparent 59%),
    conic-gradient(var(--pri) calc(var(--ring-p, 0.8) * 360deg), rgba(255, 255, 255, 0.07) 0deg);
  transition: --ring-p 0.6s;
}
.cap-side-ring::after { content: ""; position: absolute; inset: 10px; border-radius: 50%; border: 1px dashed rgba(0, 229, 160, 0.25); animation: spin 24s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.cap-side-ring span { font-family: var(--font-d); font-weight: 700; font-size: 42px; color: var(--pri); text-shadow: var(--glow-pri); display: block; }
.cap-side-ring em { font-style: normal; font-size: 11.5px; color: var(--txt-3); letter-spacing: 0.12em; display: block; margin-top: 2px; }
.cap-side p { color: var(--txt-2); font-size: 13.5px; }

/* ── process ────────────────────────────────────────────── */
.proc-line { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; padding-top: 8px; }
.proc-rail {
  position: absolute; top: 35px; left: 16px; right: calc((100% - 90px) / 6 - 16px); height: 2px;
  background: rgba(255, 255, 255, 0.08); border-radius: 2px; overflow: hidden;
}
.proc-rail i {
  display: block; width: 0; height: 100%;
  background: linear-gradient(90deg, var(--pri), var(--sec)); box-shadow: var(--glow-pri);
  transition: width 0.25s linear;
}
.proc-step { position: relative; padding-top: 52px; }
.proc-node {
  position: absolute; top: 12px; left: 0; width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid var(--line-strong); background: var(--bg-1);
  display: grid; place-items: center;
  transition: border-color 0.4s, box-shadow 0.4s;
}
.proc-node i { width: 8px; height: 8px; border-radius: 50%; background: var(--txt-3); transition: background 0.4s, box-shadow 0.4s, transform 0.4s var(--ease-out); }
.proc-step.is-active .proc-node { border-color: var(--pri); box-shadow: 0 0 0 5px rgba(0, 229, 160, 0.12), var(--glow-pri); }
.proc-step.is-active .proc-node i { background: var(--pri); box-shadow: var(--glow-pri); transform: scale(1.35); }
.proc-num {
  font-family: var(--font-m); font-size: 12px; color: var(--sec); letter-spacing: 0.2em; margin-bottom: 8px;
}
.proc-step h3 { font-family: var(--font-d); font-size: 17.5px; font-weight: 600; }
.proc-step p { margin-top: 9px; color: var(--txt-2); font-size: 13.5px; line-height: 1.65; }

/* ── industries ─────────────────────────────────────────── */
.ind-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.ind-card {
  position: relative; border-radius: var(--rad); overflow: hidden;
  border: 1px solid var(--line); background: var(--bg-1);
  transition: border-color 0.35s, box-shadow 0.35s, transform 0.35s var(--ease-out);
}
.ind-card:hover { border-color: rgba(0, 194, 255, 0.4); box-shadow: 0 16px 50px rgba(0, 0, 0, 0.45), var(--glow-sec); transform: translateY(-6px); }
.ind-art { position: relative; height: 168px; overflow: hidden; }
.ind-art::before, .ind-art::after { content: ""; position: absolute; inset: 0; }
.ind-art::before {
  background-image:
    linear-gradient(rgba(0, 229, 160, 0.22) 1.5px, transparent 1.5px),
    linear-gradient(90deg, rgba(0, 194, 255, 0.19) 1.5px, transparent 1.5px);
  background-size: 34px 34px;
  animation: artDrift 7s linear infinite;
}
.ind-art::after {
  background:
    radial-gradient(circle 9px at 22% 34%, var(--pri) 34%, rgba(0, 229, 160, 0.32) 35%, transparent 62%),
    radial-gradient(circle 7px at 66% 62%, var(--sec) 34%, rgba(0, 194, 255, 0.32) 35%, transparent 62%),
    radial-gradient(circle 5px at 82% 26%, var(--cop) 40%, rgba(255, 176, 46, 0.3) 41%, transparent 62%),
    radial-gradient(circle 6px at 40% 74%, var(--sec) 38%, rgba(0, 194, 255, 0.28) 39%, transparent 62%),
    radial-gradient(circle 5px at 52% 18%, var(--pri) 38%, transparent 62%),
    linear-gradient(to top, var(--bg-1) 4%, transparent 55%);
}
@keyframes artDrift { to { background-position: 34px 34px, 34px 34px; } }
.art-5g::before { background-size: 26px 26px; }
.art-auto::before { background-image: linear-gradient(rgba(255, 176, 46, 0.2) 1.5px, transparent 1.5px), linear-gradient(90deg, rgba(0, 229, 160, 0.16) 1.5px, transparent 1.5px); }
.art-med::before { background-image: linear-gradient(rgba(0, 194, 255, 0.22) 1.5px, transparent 1.5px), linear-gradient(90deg, rgba(0, 194, 255, 0.16) 1.5px, transparent 1.5px); }
.art-aero::before { background-size: 44px 44px; animation-duration: 11s; }
.art-iiot::before { background-image: linear-gradient(rgba(0, 229, 160, 0.16) 1.5px, transparent 1.5px), linear-gradient(90deg, rgba(255, 176, 46, 0.18) 1.5px, transparent 1.5px); }
.art-cons::before { background-size: 30px 30px; animation-duration: 5s; }
.ind-card h3 { padding: 22px 24px 0; font-family: var(--font-d); font-size: 19px; font-weight: 600; }
.ind-card p { padding: 9px 24px 26px; color: var(--txt-2); font-size: 13.5px; }

/* ── quality ────────────────────────────────────────────── */
.qc-grid { display: grid; grid-template-columns: 1.05fr 1fr 1fr; gap: 20px; }
.qc-certs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.qc-cert {
  display: flex; flex-direction: column; justify-content: center; gap: 8px;
  padding: 22px; border-radius: var(--rad);
  border: 1px solid var(--line); background: linear-gradient(160deg, rgba(14, 24, 48, 0.5), rgba(7, 11, 20, 0.75));
  transition: border-color 0.3s, box-shadow 0.3s;
}
.qc-cert:hover { border-color: rgba(255, 176, 46, 0.45); box-shadow: 0 0 30px rgba(255, 176, 46, 0.12); }
.qc-cert b { font-family: var(--font-d); font-size: 19px; letter-spacing: 0.04em; color: var(--cop); }
.qc-cert span { font-size: 12.5px; color: var(--txt-3); }
.qc-equip, .qc-trace {
  padding: 30px 28px; border-radius: var(--rad);
  border: 1px solid var(--line); background: linear-gradient(165deg, rgba(14, 24, 48, 0.5), rgba(7, 11, 20, 0.75));
}
.qc-equip h3, .qc-trace h3 { font-family: var(--font-d); font-size: 18px; font-weight: 600; margin-bottom: 18px; }
.qc-list li { display: flex; align-items: center; gap: 12px; padding: 8px 0; color: var(--txt-2); font-size: 14px; }
.qc-list i {
  flex: none; width: 8px; height: 8px; border-radius: 2px;
  background: var(--sec); box-shadow: var(--glow-sec); transform: rotate(45deg);
}
.qc-trace p { color: var(--txt-2); font-size: 13.5px; margin-bottom: 20px; }
.qc-meter { margin-top: 14px; }
.qc-meter-head { display: flex; justify-content: space-between; align-items: baseline; font-size: 13px; color: var(--txt-3); margin-bottom: 8px; }
.qc-meter-head b { font-family: var(--font-m); color: var(--pri); font-size: 15px; }
.qc-meter-bar { height: 5px; border-radius: 5px; background: rgba(255, 255, 255, 0.07); overflow: hidden; }
.qc-meter-bar i { display: block; width: 0; height: 100%; border-radius: 5px; background: linear-gradient(90deg, var(--pri), var(--sec)); box-shadow: var(--glow-pri); transition: width 1.5s var(--ease-out) 0.25s; }
.qc-trace.is-inview .qc-meter-bar i { width: calc(var(--p) * 100%); }

/* ── quote ──────────────────────────────────────────────── */
#quote { background: radial-gradient(ellipse 70% 55% at 50% 110%, rgba(0, 229, 160, 0.07), transparent 65%); }
.quote-wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(36px, 5vw, 72px); align-items: start; }
.quote-points { margin-top: 28px; display: grid; gap: 14px; }
.quote-points li { display: flex; gap: 12px; align-items: flex-start; color: var(--txt-2); font-size: 14.5px; }
.quote-points i {
  flex: none; margin-top: 7px; width: 9px; height: 9px; border-radius: 50%;
  background: var(--pri); box-shadow: var(--glow-pri);
}
.quote-contact { display: flex; gap: 34px; margin-top: 36px; flex-wrap: wrap; }
.quote-contact span { display: block; font-size: 12px; color: var(--txt-3); letter-spacing: 0.14em; margin-bottom: 5px; }
.quote-contact b { font-family: var(--font-m); font-size: 15px; color: var(--sec); }
.quote-form {
  position: relative; padding: clamp(26px, 3vw, 40px);
  border-radius: 18px; border: 1px solid var(--line-strong);
  background: linear-gradient(170deg, rgba(14, 24, 48, 0.65), rgba(7, 11, 20, 0.85));
  backdrop-filter: blur(14px);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
}
.quote-form::before {
  content: ""; position: absolute; inset: -1px; border-radius: 18px; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, rgba(0, 229, 160, 0.5), transparent 30%, transparent 70%, rgba(0, 194, 255, 0.5));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.qf-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.qf-field { display: flex; flex-direction: column; gap: 8px; }
.qf-full { grid-column: 1 / -1; }
.qf-field > span { font-size: 13px; color: var(--txt-2); letter-spacing: 0.05em; }
.qf-field input, .qf-field select, .qf-field textarea {
  width: 100%; padding: 13px 15px; border-radius: 10px;
  border: 1px solid var(--line-strong); background: rgba(5, 9, 17, 0.65);
  color: var(--txt); font: inherit; font-size: 14px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.qf-field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='m1 1 5 5 5-5' fill='none' stroke='%239db2cc' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 15px center; }
.qf-field select:invalid { color: var(--txt-3); }
.qf-field option { background: var(--bg-2); color: var(--txt); }
.qf-field textarea { resize: vertical; min-height: 96px; }
.qf-field input::placeholder, .qf-field textarea::placeholder { color: var(--txt-3); }
.qf-field input:focus, .qf-field select:focus, .qf-field textarea:focus {
  outline: none; border-color: var(--pri); box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.14), var(--glow-pri);
}
.qf-field.is-error input, .qf-field.is-error select { border-color: #ff5d6c; box-shadow: 0 0 0 3px rgba(255, 93, 108, 0.14); }
.qf-drop {
  display: grid; place-items: center; gap: 8px; text-align: center;
  padding: 26px 18px; border-radius: 12px; cursor: pointer;
  border: 1.5px dashed var(--line-strong); color: var(--txt-3);
  transition: border-color 0.3s, background 0.3s, color 0.3s;
}
.qf-drop:hover, .qf-drop.is-drag { border-color: var(--pri); background: rgba(0, 229, 160, 0.05); color: var(--pri); }
.qf-drop p { font-size: 13px; color: inherit; }
.qf-files { font-family: var(--font-m); font-size: 12px; color: var(--pri); }
.qf-submit { width: 100%; justify-content: center; margin-top: 24px; }
.qf-submit.is-busy { pointer-events: none; opacity: 0.75; }
.qf-success { position: absolute; inset: 0; z-index: 5; display: grid; place-content: center; justify-items: center; gap: 12px; text-align: center; border-radius: 18px; background: rgba(6, 11, 20, 0.96); }
.qf-success svg { color: var(--pri); }
.qfs-ring { stroke-dasharray: 151; stroke-dashoffset: 151; animation: ringDraw 0.7s var(--ease-out) forwards; }
.qfs-check { stroke-dasharray: 40; stroke-dashoffset: 40; animation: ringDraw 0.5s var(--ease-out) 0.55s forwards; }
@keyframes ringDraw { to { stroke-dashoffset: 0; } }
.qf-success h3 { font-family: var(--font-d); font-size: 22px; }
.qf-success p { color: var(--txt-2); font-size: 14px; }

/* ── footer ─────────────────────────────────────────────── */
#siteFooter { border-top: 1px solid var(--line); background: rgba(5, 8, 15, 0.85); position: relative; z-index: 3; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; padding: 64px 0 48px; }
.foot-brand p { margin-top: 18px; color: var(--txt-3); font-size: 13.5px; max-width: 300px; }
.foot-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.foot-badges span {
  font-family: var(--font-m); font-size: 10.5px; letter-spacing: 0.1em; color: var(--txt-2);
  padding: 5px 10px; border-radius: 6px; border: 1px solid var(--line);
}
.foot-col h4 { font-family: var(--font-d); font-size: 14px; letter-spacing: 0.16em; color: var(--txt); margin-bottom: 18px; }
.foot-col a { display: block; padding: 6px 0; color: var(--txt-3); font-size: 14px; transition: color 0.25s, transform 0.25s var(--ease-out); }
.foot-col a:hover { color: var(--pri); transform: translateX(5px); }
.foot-col address p { padding: 6px 0; color: var(--txt-3); font-size: 14px; }
.foot-bottom { border-top: 1px solid var(--line); padding: 20px 0; }
.foot-bottom-inner { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: 12.5px; color: var(--txt-3); }
.foot-icp { font-family: var(--font-m); }

/* ── to top ─────────────────────────────────────────────── */
#toTop {
  position: fixed; right: 26px; bottom: 26px; z-index: 800;
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  border: 1px solid var(--line-strong); background: rgba(8, 14, 26, 0.8); backdrop-filter: blur(10px);
  color: var(--pri); opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: opacity 0.35s, visibility 0.35s, transform 0.35s var(--ease-out), box-shadow 0.3s;
}
#toTop.is-show { opacity: 1; visibility: visible; transform: none; }
#toTop:hover { box-shadow: var(--glow-pri); }

/* ── reveal animations ──────────────────────────────────── */
.reveal, .svc-card, .stat, .ind-card, .qc-cert, .qc-equip, .qc-trace, .proc-step, .cap-panel, .quote-form, .quote-intro > * {
  opacity: 0; transform: translateY(34px);
  transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-out);
  will-change: opacity, transform;
}
.is-inview.reveal, .is-inview.svc-card, .is-inview.stat, .is-inview.ind-card, .is-inview.qc-cert,
.is-inview.qc-equip, .is-inview.qc-trace, .is-inview.proc-step, .is-inview.cap-panel, .is-inview.quote-form,
.quote-intro > *.is-inview {
  opacity: 1; transform: none;
}
/* keep hero content visible even before observer fires */
#hero .reveal { transition-delay: var(--d, 0s); }

/* ── responsive ─────────────────────────────────────────── */
@media (max-width: 1100px) {
  .svc-grid, .ind-grid { grid-template-columns: repeat(2, 1fr); }
  .qc-grid { grid-template-columns: 1fr 1fr; }
  .qc-certs { grid-column: 1 / -1; }
  .proc-line { grid-template-columns: repeat(3, 1fr); row-gap: 44px; }
  .proc-rail { display: none; }
  .cap-panel { grid-template-columns: 1fr; }
  .cap-side { border-left: 0; border-top: 1px solid var(--line); align-items: center; text-align: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .quote-wrap { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav-links {
    position: fixed; inset: var(--nav-h) 0 auto 0; z-index: 890;
    flex-direction: column; gap: 4px; padding: 18px 5vw 26px;
    background: rgba(5, 9, 16, 0.97); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: transform 0.35s var(--ease-out), opacity 0.35s, visibility 0.35s;
  }
  .nav-links.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav-links a { padding: 13px 16px; font-size: 16px; }
  .burger { display: flex; }
  .nav-cta { display: none; }
  .svc-grid, .ind-grid, .qc-grid, .stats-grid, .qf-grid { grid-template-columns: 1fr; }
  .proc-line { grid-template-columns: 1fr; row-gap: 34px; }
  .foot-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-hud { display: none; }
  .hero-scroll { display: none; }
  .cap-tabs { width: 100%; overflow-x: auto; }
  .cap-tab { flex: 1; white-space: nowrap; }
  .cap-cell { padding: 12px 14px; font-size: 13px; }
}

/* ── reduced motion ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
  .reveal, .svc-card, .stat, .ind-card, .qc-cert, .qc-equip, .qc-trace, .proc-step, .cap-panel, .quote-form, .quote-intro > * { opacity: 1; transform: none; }
}