@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/IBMPlexMono-400-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/IBMPlexMono-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/IBMPlexMono-500-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/IBMPlexMono-500-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('fonts/Manrope-400-800-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('fonts/Manrope-400-800-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Unbounded';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url('fonts/Unbounded-500-700-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'Unbounded';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url('fonts/Unbounded-500-700-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --black: #090b0e;
  --graphite: #101419;
  --panel: #171d22;
  --panel-2: #1e252b;
  --paper: #f1f0eb;
  --paper-2: #e6e4dd;
  --ink: #111518;
  --ink-2: #3c4449;
  --muted: #5d666b;
  --steel: #b4bcc0;
  --line: rgba(17, 21, 24, .14);
  --line-dark: rgba(245, 244, 239, .14);
  --hot: #f27650;
  --hot-ink: #b4492e;
  --amber: #ffb347;
  --agent: #2fb5d6;
  --white: #f5f4ef;
  --sans: 'Manrope', 'Avenir Next', 'Segoe UI', Arial, sans-serif;
  --mono: 'IBM Plex Mono', Menlo, Consolas, monospace;
  --display: 'Unbounded', 'Manrope', 'Arial Black', sans-serif;
  --max: 1280px;
  --gutter: clamp(16px, 4vw, 48px);
  --header: 68px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header) + 12px); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 700; letter-spacing: -.02em; text-wrap: balance; }
p { text-wrap: pretty; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--agent); outline-offset: 3px; }
.nobr { white-space: nowrap; }
.wrap { width: 100%; max-width: calc(var(--max) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 16px; background: var(--hot); color: var(--black); font-weight: 700; text-decoration: none; }
.skip-link:focus { top: 12px; }

/* header */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; height: var(--header); display: flex; align-items: center; gap: 24px; padding: 0 var(--gutter); background: rgba(241, 240, 235, .92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 800; font-size: 20px; letter-spacing: -.02em; }
.brand-mark { position: relative; display: grid; place-items: center; width: 34px; height: 34px; border: 1.5px solid var(--ink); font-size: 17px; font-weight: 800; }
.brand-mark::after { content: '+'; position: absolute; top: -9px; right: -7px; color: var(--hot); font-size: 15px; }
.brand small { display: block; margin-top: 2px; font: 500 12px/1 var(--mono); letter-spacing: .02em; color: var(--muted); }
.main-nav { display: flex; gap: 28px; margin-left: auto; }
.main-nav a { font-size: 15px; font-weight: 600; text-decoration: none; color: var(--ink-2); }
.main-nav a:hover { color: var(--hot-ink); }
.main-nav .nav-contact { display: none; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.lang-switch { display: inline-flex; align-items: center; min-height: 44px; padding: 0 10px; font: 600 14px var(--mono); text-decoration: none; }
.lang-switch:hover { color: var(--hot-ink); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 22px; border: 1.5px solid currentColor; background: transparent; font-size: 15px; font-weight: 700; text-decoration: none; cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s; }
.button:hover { transform: translateY(-1px); }
.button-hot { background: var(--hot); border-color: var(--hot); color: var(--black); }
.button-hot:hover { background: #ff7a57; border-color: #ff7a57; }
.button-ghost-light { color: var(--white); border-color: rgba(245, 244, 239, .45); }
.button-ghost-light:hover { border-color: var(--white); }
.header-cta { min-height: 44px; padding: 0 18px; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: none; cursor: pointer; position: relative; }
.menu-toggle i { position: absolute; left: 11px; width: 22px; height: 2px; background: var(--ink); transition: transform .25s, top .25s; }
.menu-toggle i:first-child { top: 17px; }
.menu-toggle i:last-child { top: 25px; }
.menu-toggle[aria-expanded="true"] i:first-child { top: 21px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] i:last-child { top: 21px; transform: rotate(-45deg); }

/* shared section bits */
.section { padding: clamp(72px, 10vw, 128px) 0; }
.kicker { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; font: 500 13px/1.3 var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.kicker b { color: #087f98; font-weight: 600; }
.dark .kicker { color: var(--steel); }
.dark .kicker b { color: #71d5e5; }
.h2 { font-family: var(--display); font-weight: 600; font-size: clamp(27px, 3.6vw, 46px); line-height: 1.1; letter-spacing: -.025em; }
.h2 em { font-style: normal; color: #087f98; }
.dark .h2 em { color: #9ce1eb; }
.lead { font-size: clamp(17px, 1.5vw, 19px); line-height: 1.6; color: var(--ink-2); max-width: 560px; }
.dark .lead { color: var(--steel); }
.head-row { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: end; margin-bottom: clamp(40px, 5vw, 64px); }
.note { font-size: 13px; line-height: 1.5; color: var(--muted); }
.dark .note { color: #8f989d; }
.dark { background: var(--graphite); color: var(--white); }

/* hero */
.hero { position: relative; isolation: isolate; overflow: hidden; background: var(--black); color: var(--white); min-height: min(880px, calc(100svh - var(--header))); display: flex; align-items: center; }
.hero-art { position: absolute; inset: 0; }
.hero-art img { width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%; opacity: .95; transform: translate3d(calc(var(--hero-x, 0) * -7px), calc(var(--hero-y, 0) * -5px), 0) scale(1.055); animation: hero-drift 22s ease-in-out infinite alternate; will-change: transform; }
.hero::before { content: ''; position: absolute; inset: 0; z-index: 0; background: radial-gradient(ellipse at 71% 50%, rgba(80, 189, 215, .13), transparent 35%), radial-gradient(ellipse at 76% 50%, rgba(255, 116, 75, .08), transparent 22%); pointer-events: none; }
.hero::after { content: ''; position: absolute; inset: 0; z-index: 0; background: linear-gradient(90deg, rgba(7, 12, 16, .98) 0%, rgba(7, 12, 16, .93) 33%, rgba(7, 12, 16, .46) 55%, rgba(7, 12, 16, .04) 82%), linear-gradient(0deg, rgba(7, 12, 16, .8) 0%, transparent 32%); }
.hero-inner { position: relative; z-index: 2; padding-top: clamp(48px, 7vw, 92px); padding-bottom: clamp(38px, 5vw, 68px); }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 24px; font: 500 13px/1.3 var(--mono); letter-spacing: .05em; text-transform: uppercase; color: var(--steel); }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--hot); box-shadow: 0 0 0 4px rgba(255, 97, 56, .2); animation: pulse 2.4s ease-in-out infinite; }
.hero h1 { font-family: var(--sans); font-weight: 800; font-size: clamp(42px, 5.15vw, 70px); line-height: 1.01; letter-spacing: -.055em; max-width: 710px; }
.hero h1 em { display: block; font-style: normal; color: #c3edf2; }
.hero-lede { margin-top: 24px; max-width: 560px; font-size: clamp(17px, 1.45vw, 19px); line-height: 1.62; color: #d6dadc; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-formats-label { margin-top: clamp(28px, 4vw, 44px); font: 500 11px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: #9caeb2; }
.hero-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 860px; margin-top: 10px; border-top: 1px solid rgba(156, 225, 235, .38); }
.hero-facts div { padding: 15px 18px 0 0; }
.hero-facts div + div { padding-left: 20px; border-left: 1px solid var(--line-dark); }
.hero-facts b { display: block; font: 700 clamp(15px, 1.35vw, 19px)/1.25 var(--sans); letter-spacing: -.025em; color: var(--white); }
.hero-facts span { display: block; margin-top: 5px; font-size: 12px; line-height: 1.35; color: #a9d6dc; }
.hero-caption { position: absolute; right: var(--gutter); bottom: 18px; z-index: 1; font: 500 12px var(--mono); color: rgba(245, 244, 239, .6); letter-spacing: .04em; }

/* trust strip */
.trust { position: relative; overflow: hidden; background: linear-gradient(110deg, #11191e, #172127 48%, #10181c); color: var(--white); border-top: 1px solid rgba(135, 216, 231, .2); border-bottom: 1px solid rgba(135, 216, 231, .14); }
.trust::after { content: ''; position: absolute; inset: 0; pointer-events: none; opacity: .24; background: linear-gradient(90deg, transparent 48%, rgba(114, 209, 225, .08) 48.2%, transparent 48.4%), radial-gradient(ellipse at 86% 0%, rgba(50, 159, 181, .2), transparent 30%); }
.trust ul { list-style: none; margin: 0 auto; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.trust li { position: relative; z-index: 1; padding: 22px 18px 22px 0; font-size: 14px; line-height: 1.45; font-weight: 500; color: #c4d0d3; }
.trust li + li { padding-left: 18px; border-left: 1px solid rgba(198, 228, 232, .17); }
.trust li b { display: block; margin-bottom: 6px; font: 700 12px/1.3 var(--mono); letter-spacing: .025em; text-transform: uppercase; color: #a9e5ed; }

/* problem */
.problem-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.problem-grid article { padding: 28px 28px 8px 0; }
.problem-grid article + article { padding-left: 28px; border-left: 1px solid var(--line); }
.problem-grid b { font: 600 13px var(--mono); color: var(--hot-ink); }
.problem-grid h3 { margin: 12px 0 10px; font-size: 22px; line-height: 1.2; }
.problem-grid p { color: var(--ink-2); font-size: 16px; }
.chart-card { margin-top: clamp(48px, 6vw, 72px); display: grid; grid-template-columns: 1.3fr .7fr; background: var(--black); color: var(--white); }
.chart { padding: clamp(20px, 3vw, 36px); }
.chart svg { width: 100%; height: auto; overflow: visible; }
.chart .axis { stroke: rgba(245, 244, 239, .25); stroke-width: 1; }
.chart .grid { stroke: rgba(245, 244, 239, .08); stroke-width: 1; }
.chart text { fill: #9aa3a8; font: 500 12px var(--mono); }
.chart .curve { fill: none; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.chart .curve-gas, .chart .curve-heat { stroke: var(--hot); }
.chart .curve-agent { stroke: var(--agent); }
.chart .marker { fill: var(--black); stroke-width: 2.5; }
.chart .threshold { stroke: var(--amber); stroke-dasharray: 5 6; stroke-width: 1.5; }
.chart .label-gas { fill: var(--hot); font-weight: 600; font-size: 13px; }
.chart .label-agent { fill: var(--agent); font-weight: 600; font-size: 13px; }
.chart .label-thr { fill: var(--amber); }
.js .chart .curve { stroke-dasharray: 1400; stroke-dashoffset: 1400; transition: stroke-dashoffset 2.6s cubic-bezier(.16, 1, .3, 1); }
.js .chart.is-visible .curve { stroke-dashoffset: 0; }
.js .chart.is-visible .curve-gas, .js .chart.is-visible .curve-agent { transition-delay: .9s; }
.mechanisms { padding: clamp(24px, 3vw, 40px); background: var(--panel); }
.mechanisms h3 { font-size: 20px; line-height: 1.25; margin-bottom: 18px; }
.mechanisms ol { list-style: none; margin: 0; padding: 0; counter-reset: m; }
.mechanisms li { counter-increment: m; position: relative; padding: 14px 0 14px 40px; border-top: 1px solid var(--line-dark); font-size: 16px; line-height: 1.45; color: #d6dadc; }
.mechanisms li::before { content: '0' counter(m); position: absolute; left: 0; top: 15px; font: 600 13px var(--mono); color: var(--agent); }
.mechanisms li strong { display: block; color: var(--white); }
.legend { list-style: none; margin: 0; padding: 0 clamp(20px, 3vw, 36px) 14px; display: flex; flex-wrap: wrap; gap: 10px 24px; }
.legend li { display: flex; align-items: center; gap: 10px; font-size: 14px; line-height: 1.4; color: #d6dadc; }
.legend i { flex: 0 0 26px; height: 3px; border-radius: 2px; }
.lg-gas { background: var(--hot); }
.lg-agent { background: var(--agent); }
.lg-thr { background: repeating-linear-gradient(90deg, var(--amber) 0 5px, transparent 5px 10px); height: 2px !important; }
.chart-note { padding: 0 clamp(20px, 3vw, 36px) clamp(18px, 2vw, 24px); font-size: 13px; color: #8f989d; }

/* solutions */
.solutions { background: var(--paper-2); }
.solutions .head-row { grid-template-columns: 1fr; justify-items: center; gap: 16px; max-width: 900px; margin: 0 auto clamp(36px, 4vw, 52px); text-align: center; }
.solutions .head-row .lead { max-width: 680px; }
.solution-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 1.6vw, 20px); max-width: 1180px; margin-inline: auto; align-items: stretch; }
.solution { display: flex; flex-direction: column; background: var(--paper); border: 1px solid var(--line); perspective: 1200px; }
.solution-visual { margin: 0; position: relative; display: grid; place-items: center; aspect-ratio: 4 / 3; overflow: hidden; background: var(--black); border-bottom: 1px solid var(--line-dark); }
.solution-visual::before { content: ""; position: absolute; inset: 18px; border: 1px solid rgba(255,255,255,.09); }
.solution-visual img { width: 100%; height: 100%; object-fit: contain; transform: scale(.94); transition: transform .8s cubic-bezier(.16, 1, .3, 1), filter .6s; }
.solution:hover .solution-visual img { transform: scale(.98); filter: saturate(1.08); }
.solution-visual-extinguisher img, .solution-visual-remote img, .solution-visual-module img { object-position: center; }
.solution-note { margin-top: 20px; max-width: 760px; }
.problem-note { margin-top: 28px; }
.proof-bridge { display: grid; grid-template-columns: minmax(180px, .72fr) minmax(0, 2.28fr); gap: 28px; align-items: stretch; margin-top: clamp(32px, 4vw, 48px); padding: clamp(22px, 3vw, 32px); color: var(--white); background: linear-gradient(110deg, #11191e, #172127 48%, #10181c); border-top: 2px solid rgba(114, 209, 225, .62); }
.proof-bridge-intro { display: flex; flex-direction: column; justify-content: space-between; align-items: flex-start; gap: 18px; }
.proof-bridge-kicker { font: 600 11px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: #a9e5ed; }
.proof-bridge-link { display: inline-flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 700; color: var(--white); text-decoration: none; }
.proof-bridge-link span { color: #a9e5ed; transition: transform .2s ease; }
.proof-bridge-link:hover span { transform: translateX(4px); }
.proof-bridge-items { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); list-style: none; margin: 0; padding: 0; }
.proof-bridge-items li { display: flex; flex-direction: column; gap: 7px; padding: 0 18px; border-left: 1px solid rgba(198, 228, 232, .17); font-size: 13px; line-height: 1.45; color: #c4d0d3; }
.proof-bridge-items li:first-child { padding-left: 0; border-left: 0; }
.proof-bridge-items b { font: 700 12px/1.35 var(--mono); color: #a9e5ed; }



.solution-body { display: flex; flex-direction: column; flex: 1; padding: clamp(20px, 2vw, 24px); }
.solution-num { font: 600 13px var(--mono); color: var(--hot-ink); }
.solution h3 { margin: 10px 0 10px; font-size: 24px; line-height: 1.15; }
.solution p { font-size: 16px; color: var(--ink-2); }
.spec { margin: 20px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.spec li { display: flex; justify-content: space-between; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.spec li span { color: var(--muted); }
.spec li b { font: 600 15px var(--mono); text-align: right; }
.solution .where { margin-top: auto; padding-top: 18px; font-size: 14px; color: var(--muted); }

/* tests */
.tests-layout { display: block; max-width: 1120px; margin-inline: auto; }
.tests-photo { margin: 0; position: sticky; top: calc(var(--header) + 24px); }
.tests-photo img { width: 100%; aspect-ratio: 4 / 3.4; object-fit: cover; }
.tests-photo figcaption { margin-top: 12px; font-size: 13px; color: #8f989d; }
.numbers { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); margin-top: 36px; }
.numbers div { padding: 22px 20px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.numbers b { display: block; font: 600 clamp(26px, 3vw, 36px)/1 var(--mono); letter-spacing: -.03em; color: var(--white); }
.numbers span { display: block; margin-top: 10px; font-size: 14px; line-height: 1.4; color: var(--steel); }
.test-list { margin: 32px 0 0; padding: 0; list-style: none; }
.test-list li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; padding: 10px 0; font-size: 16px; line-height: 1.45; color: #d6dadc; border-bottom: 1px solid var(--line-dark); }
.test-list li::before { content: ''; width: 10px; height: 10px; margin-top: 7px; border: 2px solid var(--agent); border-radius: 50%; }
.who { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px; }
.who span { padding: 8px 12px; border: 1px solid var(--line-dark); font: 500 13px var(--mono); color: var(--white); }
.tests-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; margin-top: 32px; }
.tests-cta p { font-size: 15px; color: var(--steel); max-width: 340px; }

/* sectors */
.sector-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.sector { position: relative; display: flex; flex-direction: column; background: var(--panel); color: var(--white); text-decoration: none; border: 1px solid var(--line-dark); transition: border-color .25s, transform .25s; }
.sector:hover { border-color: var(--hot); transform: translateY(-3px); }
.sector figure { margin: 0; aspect-ratio: 16 / 11; overflow: hidden; }
.media { position: relative; background: radial-gradient(circle at 70% 30%, rgba(47, 181, 214, .18), transparent 55%), linear-gradient(160deg, #1e252b, #0b0e11); }
.media > svg { position: absolute; inset: 0; margin: auto; width: 46%; height: auto; fill: none; stroke: rgba(245, 244, 239, .45); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.media > img { position: relative; }
.media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .8s ease; }
.media video.is-ready { opacity: 1; }
.hero > video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.2s ease; }
.hero > video.is-ready { opacity: .9; }
.sector figure img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.85); transition: transform .6s ease; }
.sector:hover figure img { transform: scale(1.04); }
.sector-tag { position: absolute; top: 12px; left: 12px; padding: 5px 9px; background: rgba(9, 11, 14, .8); font: 500 12px var(--mono); letter-spacing: .03em; }
.sector-body { display: flex; flex-direction: column; flex: 1; padding: 22px 22px 20px; }
.sector h3 { font-size: 19px; line-height: 1.2; }
.sector p { margin-top: 10px; font-size: 15px; line-height: 1.5; color: var(--steel); }
.sector .fit { margin-top: 14px; font-size: 14px; color: var(--white); }
.sector .fit b { color: var(--agent); font-weight: 600; }
.sector .go { margin-top: auto; padding-top: 18px; font-size: 14px; font-weight: 700; color: var(--hot); }
.sectors-note { margin-top: 24px; }

/* incidents */
.incident-list { border-top: 1px solid var(--line); }
.incident { display: grid; grid-template-columns: 170px 1fr 260px; gap: 32px; padding: 28px 0; border-bottom: 1px solid var(--line); align-items: start; }
.incident-when { font: 600 15px/1.4 var(--mono); color: var(--hot-ink); }
.incident-when span { display: block; margin-top: 4px; font-weight: 500; font-size: 13px; color: var(--muted); }
.incident h3 { font-size: 21px; line-height: 1.25; }
.incident p { margin-top: 8px; font-size: 16px; color: var(--ink-2); }
.incident a { font-size: 14px; font-weight: 600; text-underline-offset: 3px; }
.incident a:hover { color: var(--hot-ink); }
.bridge { margin-top: 36px; display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding: 28px 32px; background: var(--black); color: var(--white); }
.bridge p { font-size: 18px; line-height: 1.5; max-width: 760px; }
.bridge p b { color: var(--amber); font-weight: 700; }

/* process */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); counter-reset: s; border-top: 1px solid var(--line-dark); }
.steps li { list-style: none; position: relative; padding: 28px 24px 4px 0; }
.steps li + li { padding-left: 24px; border-left: 1px solid var(--line-dark); }
.steps b { font: 600 13px var(--mono); color: var(--hot); }
.steps h3 { margin: 12px 0 10px; font-size: 21px; line-height: 1.2; }
.steps p { font-size: 16px; color: var(--steel); }
.steps ol, ol.steps { margin: 0; padding: 0; }
.partners { margin-top: 48px; display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center; padding: 24px 28px; border: 1px solid var(--line-dark); }
.partners b { font: 600 13px var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--amber); }
.partners p { font-size: 16px; color: #d6dadc; }
.partners a { font-weight: 700; color: var(--white); text-underline-offset: 3px; white-space: nowrap; }

/* Spatial engineering diagram: a visual anchor for design, test and scale-up. */
.engineering { position: relative; isolation: isolate; overflow: hidden; background: radial-gradient(ellipse at 21% 55%, rgba(54, 155, 181, .16), transparent 33%), linear-gradient(125deg, #080d11 4%, #111a1f 58%, #0a1116) !important; }
.engineering::before { content: ''; position: absolute; z-index: -1; inset: 0; opacity: .22; background-image: linear-gradient(rgba(173, 224, 231, .12) 1px, transparent 1px), linear-gradient(90deg, rgba(173, 224, 231, .12) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(90deg, #000, transparent 78%); }
.engineering-stage { display: block; }
.engineering-visual { position: relative; min-height: 340px; aspect-ratio: 1 / .88; display: grid; place-items: center; perspective: 900px; overflow: hidden; border: 1px solid rgba(154, 219, 230, .13); background: radial-gradient(ellipse at 52% 53%, rgba(65, 185, 211, .12), transparent 35%), linear-gradient(145deg, rgba(30, 46, 53, .72), rgba(9, 14, 18, .85)); box-shadow: inset 0 0 60px rgba(58, 155, 177, .08), 0 30px 90px rgba(0, 0, 0, .28); }
.engineering-visual::before, .engineering-visual::after { content: ''; position: absolute; inset: 10%; border: 1px solid rgba(164, 228, 236, .12); transform: rotateX(65deg) rotateZ(-24deg); }
.engineering-visual::after { inset: 21%; border-color: rgba(255, 158, 115, .2); transform: rotateX(65deg) rotateZ(24deg); }
.engineering-ring { position: absolute; width: 74%; aspect-ratio: 1; border: 1px solid rgba(128, 221, 236, .44); border-radius: 50%; transform: rotateX(68deg) rotateZ(-22deg); box-shadow: 0 0 36px rgba(54, 176, 202, .13); animation: orbit-turn 34s linear infinite; }
.engineering-ring::after { content: ''; position: absolute; top: 8%; left: 22%; width: 9px; height: 9px; border-radius: 50%; background: #9ce1eb; box-shadow: 0 0 22px 5px rgba(114, 211, 227, .3); }
.ring-two { width: 54%; border-color: rgba(255, 154, 110, .5); transform: rotateX(68deg) rotateZ(20deg); animation-duration: 26s; animation-direction: reverse; }
.ring-two::after { top: 81%; left: 79%; background: #ff9a6e; box-shadow: 0 0 16px 4px rgba(255, 154, 110, .3); }
.engineering-core { position: relative; z-index: 1; width: 112px; height: 136px; display: flex; justify-content: center; align-items: center; gap: 8px; padding: 14px; border: 1px solid rgba(209, 237, 241, .46); background: linear-gradient(145deg, rgba(123, 164, 174, .34), rgba(24, 37, 42, .9)); transform: rotateY(-20deg) rotateX(8deg); box-shadow: 22px 20px 0 -7px rgba(95, 137, 148, .32), 44px 40px 48px rgba(0, 0, 0, .38), inset 0 0 20px rgba(161, 231, 239, .11); animation: core-float 6s ease-in-out infinite; }
.engineering-core i { display: block; width: 20px; height: 92px; border: 1px solid rgba(208, 238, 242, .55); background: linear-gradient(90deg, rgba(187, 224, 229, .3), rgba(34, 57, 64, .18)); box-shadow: inset 0 0 12px rgba(142, 218, 229, .18); }
.engineering-core i:nth-child(2) { border-color: rgba(255, 168, 125, .8); box-shadow: inset 0 0 18px rgba(255, 128, 82, .16), 0 0 20px rgba(255, 128, 82, .16); }
.engineering-line { position: absolute; width: 26%; height: 1px; left: 11%; top: 30%; background: linear-gradient(90deg, transparent, rgba(137, 221, 233, .75)); transform: rotate(-24deg); }
.line-two { left: auto; right: 9%; top: 71%; transform: rotate(-24deg); background: linear-gradient(90deg, rgba(255, 163, 120, .7), transparent); }
.engineering .steps { position: relative; z-index: 1; }
.engineering .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.engineering .steps li:not(:last-child)::after { content: '→'; position: absolute; top: 25px; right: 14px; color: #71d5e5; font: 500 18px var(--mono); }
.tests-scope-note { margin-top: 16px; max-width: 760px; }

/* contact */
.contact { background: var(--paper-2); }
.contact-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(32px, 6vw, 88px); align-items: start; }
.contact-side .h2 { margin-bottom: 22px; }
.contact-points { margin: 32px 0 0; padding: 0; list-style: none; }
.contact-points li { padding: 14px 0; border-top: 1px solid var(--line); font-size: 16px; }
.contact-points li span { display: block; font: 500 12px var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.contact-points a { font-weight: 700; text-underline-offset: 3px; }
.form { background: var(--paper); border: 1px solid var(--line); padding: clamp(22px, 3vw, 36px); display: grid; grid-template-columns: 1fr 1fr; gap: 18px 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label, .field legend { font-size: 14px; font-weight: 700; }
.field label i, .field legend i { font-style: normal; font-weight: 500; color: var(--muted); }
.field input, .field select, .field textarea { width: 100%; min-height: 50px; padding: 12px 14px; border: 1.5px solid #c9c7bf; background: #fff; border-radius: 0; font-size: 16px; transition: border-color .2s; }
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--ink); outline: none; }
.field select { appearance: none; -webkit-appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%); background-position: calc(100% - 20px) 22px, calc(100% - 14px) 22px; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 40px; }
fieldset.field { border: 0; margin: 0; padding: 0; min-width: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { position: relative; font-weight: 600; font-size: 15px; }
.chips input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; min-height: 0; }
.chips span { display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border: 1.5px solid #c9c7bf; background: #fff; transition: all .15s; }
.chips input:checked + span { background: var(--ink); border-color: var(--ink); color: var(--white); }
.chips input:focus-visible + span { outline: 3px solid var(--agent); outline-offset: 2px; }
.form-foot { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; margin-top: 4px; }
.form-foot .note { flex: 1 1 240px; }
.form-status { grid-column: 1 / -1; display: none; padding: 14px 16px; font-size: 15px; font-weight: 600; }
.form-status.ok { display: block; background: #dff3f8; color: #0d4a5a; }
.copy-btn { margin-top: 12px; min-height: 44px; color: #0d4a5a; }
.copy-fallback { grid-column: 1 / -1; width: 100%; min-height: 120px; padding: 12px; font: 14px var(--mono); }
.form-status.err { display: block; background: #fde3dc; color: #7a2410; }
.hp { position: absolute; left: -9999px; }

/* footer */
.footer { background: var(--black); color: var(--steel); padding: 40px 0 calc(32px + env(safe-area-inset-bottom)); font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr auto; gap: 28px; align-items: start; }
.footer .brand { color: var(--white); }
.footer .brand-mark { border-color: var(--white); }
.footer p { line-height: 1.6; }
.footer a { color: var(--white); text-underline-offset: 3px; }
.footer-legal { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line-dark); font-size: 13px; color: #8f989d; }

/* mobile sticky bar */
.sticky-cta { display: none; }

/* reveal */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.16, 1, .3, 1); }
.js .reveal.is-visible { opacity: 1; transform: none; }

@keyframes hero-drift { from { transform: translate3d(calc(var(--hero-x, 0) * -5px), calc(var(--hero-y, 0) * -4px), 0) scale(1.04); } to { transform: translate3d(calc(var(--hero-x, 0) * -8px - 1%), calc(var(--hero-y, 0) * -6px), 0) scale(1.08); } }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 4px rgba(255, 97, 56, .2); } 50% { box-shadow: 0 0 0 8px rgba(255, 97, 56, .05); } }
@keyframes orbit-turn { from { rotate: 0deg; } to { rotate: 360deg; } }
@keyframes node-breathe { 0%, 100% { opacity: .7; scale: .94; } 50% { opacity: 1; scale: 1.08; } }
@keyframes core-float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -8px; } }

@media (max-width: 1200px) {
  .sector-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 1100px) {
  .main-nav { gap: 20px; }
  .trust ul { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .trust li:nth-child(4) { padding-left: 0; border-left: 0; }
  .trust li:nth-child(n+4) { border-top: 1px solid rgba(9, 11, 14, .22); }
  .incident { grid-template-columns: 150px 1fr; }
  .incident > a { grid-column: 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 960px) {
  :root { --header: 62px; }
  .menu-toggle { display: block; }
  .header-cta { display: none; }
  .main-nav { position: absolute; top: 100%; left: 0; right: 0; height: calc(100vh - var(--header)); height: calc(100dvh - var(--header) + 2px); flex-direction: column; gap: 0; padding: 12px var(--gutter) 32px; background: var(--paper); margin: 0; transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .2s, transform .2s, visibility .2s; overflow-y: auto; }
  .main-nav.is-open { opacity: 1; transform: none; visibility: visible; }
  .main-nav a { padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 22px; font-weight: 700; color: var(--ink); }
  .main-nav .nav-contact { display: flex; justify-content: center; margin-top: 24px; padding: 0; border: 0; font-size: 17px; color: var(--black); }
  .header-actions { margin-left: auto; }
  .head-row, .chart-card, .tests-layout, .contact-layout { grid-template-columns: 1fr; }
  .head-row { gap: 20px; }
  .proof-bridge { grid-template-columns: 1fr; gap: 20px; }
  .proof-bridge-intro { flex-direction: row; align-items: center; }
  .proof-bridge-items li:first-child { padding-left: 0; }
  .problem-grid { grid-template-columns: 1fr; }
  .problem-grid article, .problem-grid article + article { padding: 24px 0; border-left: 0; }
  .problem-grid article + article { border-top: 1px solid var(--line); }
  .solution-grid, .sector-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps li:nth-child(3) { padding-left: 0; border-left: 0; }
  .steps li:nth-child(n+3) { border-top: 1px solid var(--line-dark); margin-top: 20px; }
  .engineering-stage { grid-template-columns: 1fr; }
  .engineering .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .engineering .steps li:nth-child(3) { padding-left: 0; border-left: 0; }
  .engineering .steps li:nth-child(3)::after { display: none; }
  .engineering .steps li:nth-child(n+3) { border-top: 1px solid var(--line-dark); margin-top: 20px; }
  .engineering-visual { width: min(100%, 460px); min-height: 260px; aspect-ratio: 1.4; margin-inline: auto; }
  .engineering .steps { grid-template-columns: 1fr; border-top: 0; }
  .engineering .steps li, .engineering .steps li + li { padding: 22px 0; border-left: 0; border-top: 1px solid var(--line-dark); margin-top: 0; }
  .engineering .steps li:first-child { border-top: 0; }
  .engineering .steps li::after { display: none; }
  .partners { grid-template-columns: 1fr; gap: 10px; }
  .bridge { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .footer { padding-bottom: calc(100px + env(safe-area-inset-bottom)); }
  .brand small { display: none; }
  .hero { min-height: 0; }
  .hero-art img { object-position: 62% 50%; opacity: .72; }
  .hero::after { background: linear-gradient(180deg, rgba(7, 12, 16, .68) 0%, rgba(7, 12, 16, .8) 48%, rgba(7, 12, 16, .98) 100%); }
  .hero-inner { padding-top: 52px; padding-bottom: 44px; }
  .eyebrow { font-size: 12px; margin-bottom: 18px; }
  .hero h1 { font-size: clamp(35px, 8.2vw, 48px); line-height: 1.03; }
  .hero-actions .button { flex: 1 1 100%; }
  .hero-formats-label { margin-top: 28px; }
  .hero-facts { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 10px; }
  .hero-facts div, .hero-facts div + div { padding: 13px 8px 0 0; border-left: 0; }
  .hero-facts div + div { padding-left: 10px; border-left: 1px solid var(--line-dark); }
  .hero-facts b { font-size: 14px; }
  .hero-facts span { font-size: 12px; }
  .hero-caption { display: none; }
  .trust ul { grid-template-columns: 1fr 1fr; padding-top: 5px; padding-bottom: 5px; }
  .chart .svg-label { display: none; }
  .chart { padding: 16px 12px 8px; }
  .legend { flex-direction: column; padding: 0 16px 12px; }
  .chart-note { padding: 0 16px 18px; }
  .sector figure { aspect-ratio: 16 / 8; }
  .tests-photo { position: relative; top: 0; }
  .trust li, .trust li + li, .trust li:nth-child(4) { padding: 14px 10px 14px 0; border-left: 0; border-top: 1px solid rgba(198, 228, 232, .17); }
  .trust li:nth-child(even) { padding-left: 10px; border-left: 1px solid rgba(198, 228, 232, .17); }
  .trust li:first-child, .trust li:nth-child(2) { border-top: 0; }
  .trust li:last-child { grid-column: 1 / -1; }
  .solution-grid, .sector-grid { grid-template-columns: 1fr; }
  .proof-bridge { gap: 16px; padding: 20px 16px; }
  .proof-bridge-intro { align-items: flex-start; flex-direction: column; gap: 10px; }
  .proof-bridge-items { grid-template-columns: 1fr; }
  .proof-bridge-items li, .proof-bridge-items li:first-child { padding: 12px 0; border-left: 0; border-top: 1px solid rgba(198, 228, 232, .17); }
  .proof-bridge-items li:first-child { border-top: 0; }
  .solution h3 { font-size: 22px; }
  .numbers div { padding: 18px 14px; }
  .steps { grid-template-columns: 1fr; }
  .engineering-visual { min-height: 220px; aspect-ratio: 1.35; }
  .steps li, .steps li + li, .steps li:nth-child(3) { padding: 22px 0; border-left: 0; margin-top: 0; border-top: 1px solid var(--line-dark); }
  .steps li:first-child { border-top: 0; }
  .incident { grid-template-columns: 1fr; gap: 10px; padding: 24px 0; }
  .incident > a { grid-column: 1; }
  .bridge { padding: 24px 20px; }
  .bridge p { font-size: 17px; }
  .bridge .button { width: 100%; }
  .form { grid-template-columns: 1fr; padding: 20px 16px; }
  .form-foot .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .sticky-cta { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; display: flex; gap: 10px; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); background: rgba(9, 11, 14, .94); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); transition: transform .25s ease; }
  .sticky-cta.is-hidden { transform: translateY(110%); }
  .sticky-cta .button { flex: 1; min-height: 50px; }
  .sticky-cta .mail { flex: 0 0 56px; padding: 0; color: var(--white); border-color: rgba(245, 244, 239, .4); }
}

@media (max-width: 380px) {
  .hero h1 { font-size: 33px; }
  .hero-facts b { font-size: 12px; }
  .hero-facts span { font-size: 11px; }
  .lang-switch { padding: 0 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
  .js .chart .curve { stroke-dashoffset: 0; }
  .engineering-ring, .engineering-core { animation: none !important; }
}