:root {
  color-scheme: dark;
  --ink: #090d11;
  --ink-2: #0d141a;
  --panel: #111a21;
  --cyan: #00b7f4;
  --cyan-soft: #79dfff;
  --lime: #b8f500;
  --white: #f5f8fa;
  --muted: #91a0aa;
  --line: rgba(145, 178, 196, 0.18);
  --shell: min(1180px, calc(100% - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--white); font-family: Bahnschrift, "Segoe UI", Arial, sans-serif; font-size: 1rem; line-height: 1.65; overflow-x: hidden; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 20; background: linear-gradient(rgba(255,255,255,.014) 1px, transparent 1px); background-size: 100% 4px; opacity: .16; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 1rem; top: 1rem; z-index: 99; transform: translateY(-180%); padding: .7rem 1rem; background: var(--lime); color: var(--ink); font-weight: 700; }
.skip-link:focus { transform: none; }
:focus-visible { outline: 2px solid var(--lime); outline-offset: 4px; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 30; height: 82px; display: flex; align-items: center; justify-content: space-between; padding: 0 max(24px, calc((100vw - 1180px) / 2)); border-bottom: 1px solid transparent; transition: background .3s, border-color .3s; }
.site-header.scrolled { background: rgba(9,13,17,.9); backdrop-filter: blur(16px); border-color: var(--line); }
.brand img { width: 280px; height: auto; }
.site-nav { display: flex; gap: 2rem; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; }
.site-nav a { color: #bdc8ce; transition: color .2s; }
.site-nav a:hover { color: var(--cyan); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: transparent; color: white; }
.menu-toggle span:not(.sr-only) { display: block; width: 20px; height: 2px; background: currentColor; margin: 5px auto; }

.hero { min-height: 100svh; position: relative; display: grid; align-items: center; isolation: isolate; overflow: hidden; background: linear-gradient(90deg, rgba(9,13,17,.98) 0 38%, rgba(9,13,17,.88) 62%, rgba(9,13,17,.96)), url('/assets/arcspool-wallpaper.jpg') center/cover no-repeat; }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 25%; background: linear-gradient(transparent, var(--ink)); z-index: -1; }
.hero-grid { position: absolute; inset: 0; z-index: -1; opacity: .13; background-image: linear-gradient(rgba(0,183,244,.18) 1px, transparent 1px), linear-gradient(90deg, rgba(0,183,244,.18) 1px, transparent 1px); background-size: 80px 80px; mask-image: linear-gradient(90deg, #000, transparent 62%); }
.hero-content { position: relative; z-index: 2; padding-top: 9rem; }
.eyebrow, .section-kicker { margin: 0 0 1.3rem; color: var(--cyan-soft); font-size: .78rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.pulse { display: inline-block; width: 8px; height: 8px; margin-right: .65rem; background: var(--lime); box-shadow: 0 0 0 6px rgba(184,245,0,.08); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 920px; margin-bottom: 1.5rem; font-size: clamp(3rem, 6.2vw, 6.7rem); line-height: .95; letter-spacing: -.045em; text-transform: uppercase; }
h1 span { color: var(--cyan); -webkit-text-stroke: 0; }
.hero-copy { max-width: 650px; color: #b2c0c8; font-size: clamp(1.08rem, 1.5vw, 1.35rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2.2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: .75rem 1.25rem; border: 1px solid var(--line); font-size: .82rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; transition: transform .2s, border-color .2s, background .2s; }
.button:hover { transform: translateY(-2px); border-color: var(--cyan); }
.button.primary { background: var(--cyan); border-color: var(--cyan); color: #041016; }
.button.primary span { margin-left: 1.5rem; font-size: 1.2rem; }
.button.secondary { background: rgba(10,17,22,.6); }
.signal-strip { display: flex; align-items: center; gap: .9rem; margin-top: 4rem; color: #71838d; font-size: .7rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.signal-strip i { width: 5px; height: 5px; background: var(--lime); }
.hero-console { position: absolute; right: max(32px, calc((100vw - 1180px) / 2)); bottom: 9%; width: min(390px, 31vw); background: rgba(8,13,17,.88); border: 1px solid rgba(0,183,244,.2); box-shadow: 0 30px 80px rgba(0,0,0,.38); }
.console-head { height: 38px; display: flex; align-items: center; gap: 7px; padding: 0 12px; border-bottom: 1px solid var(--line); }
.console-head span { width: 6px; height: 6px; background: #40505a; }
.console-head span:last-of-type { background: var(--lime); }
.console-head b { margin-left: auto; color: #60727d; font: 600 .58rem/1 monospace; letter-spacing: .12em; }
.console-body { padding: 1.1rem; }
.flow-row { display: grid; grid-template-columns: 36px 1fr auto; align-items: center; gap: .75rem; font: .68rem/1.2 monospace; color: #768994; }
.flow-row em { color: var(--cyan); font-style: normal; }
.flow-row b { color: #d3dce0; font-weight: 500; }
.flow-row.active b { color: var(--lime); }
.flow-line { height: 24px; margin-left: 14px; border-left: 1px solid #29404d; }
.flow-line i { display: block; width: var(--w); height: 1px; background: linear-gradient(90deg, #29404d, var(--cyan)); transform: translateY(12px); }
.prompt-line { display: flex; gap: 1rem; align-items: center; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line); font: .72rem monospace; color: #6f828c; }
.prompt-line strong { color: var(--lime); font-size: 1rem; }
.scroll-cue { position: absolute; left: max(24px, calc((100vw - 1180px) / 2)); bottom: 2rem; writing-mode: vertical-rl; font-size: .62rem; letter-spacing: .2em; text-transform: uppercase; color: #60717b; }
.scroll-cue span { display: inline-block; width: 1px; height: 36px; margin-top: .8rem; background: var(--cyan); }

.company-section { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 9vw, 9rem); padding-block: clamp(7rem, 12vw, 11rem); border-bottom: 1px solid var(--line); }
.company-statement h2 { font-size: clamp(2.8rem, 5.2vw, 5.7rem); }
.company-statement h2 span { color: var(--cyan); }
.company-lead { max-width: 570px; margin-top: 2rem; color: #c4d0d6; font-size: 1.2rem; }
.company-profile { align-self: end; padding-left: 2.5rem; border-left: 1px solid var(--line); }
.company-profile > p { color: var(--muted); font-size: 1.06rem; }
.company-profile > p:first-child { color: #d4dde1; }
.company-signature { margin-top: 2.5rem; border-top: 1px solid var(--line); }
.company-signature div { display: grid; grid-template-columns: 110px 1fr; gap: 1rem; padding: .9rem 0; border-bottom: 1px solid var(--line); }
.company-signature span { color: #657984; font: .67rem monospace; letter-spacing: .08em; text-transform: uppercase; }
.company-signature strong { font-size: .82rem; font-weight: 600; }

.section { padding-block: clamp(6rem, 11vw, 10rem); }
.section-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: end; margin-bottom: 4rem; }
.section-intro .section-kicker { grid-column: 1 / -1; margin-bottom: -1.5rem; }
h2 { margin-bottom: 0; font-size: clamp(2.5rem, 5vw, 5.2rem); line-height: 1; letter-spacing: -.04em; text-transform: uppercase; }
.section-intro > p:last-child { max-width: 520px; margin-bottom: .4rem; color: var(--muted); font-size: 1.1rem; }
.pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.pillar { position: relative; min-height: 460px; padding: 2.2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(145deg, rgba(255,255,255,.025), transparent 65%); transition: background .3s, transform .3s; }
.pillar:hover { background: rgba(0,183,244,.045); transform: translateY(-5px); }
.pillar-index { position: absolute; right: 1.5rem; top: 1.2rem; color: #43535d; font: .68rem monospace; }
.pillar-symbol { display: grid; place-items: center; width: 72px; height: 72px; margin-bottom: 3rem; border: 1px solid rgba(0,183,244,.4); color: var(--cyan); font: 700 1rem monospace; }
.pillar:nth-child(3) .pillar-symbol { color: var(--lime); border-color: rgba(184,245,0,.4); }
.pillar h3 { font-size: 1.55rem; letter-spacing: -.02em; }
.pillar p { color: var(--muted); }
.pillar ul { margin: 2rem 0 0; padding: 1.4rem 0 0; list-style: none; border-top: 1px solid var(--line); }
.pillar li { padding: .35rem 0; color: #c1cbd0; font-size: .87rem; }
.pillar li::before { content: "↳"; margin-right: .6rem; color: var(--cyan); }

.project-section { padding-block: clamp(6rem, 10vw, 9rem); background: #0b1217; border-block: 1px solid var(--line); }
.scope-section { padding-block: clamp(6rem, 10vw, 9rem); border-bottom: 1px solid var(--line); }
.scope-section h2 span { color: var(--cyan); }
.scope-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 3rem; padding: 1px; background: var(--line); }
.scope-card { min-height: 280px; padding: 2rem; background: #0b1116; display: flex; flex-direction: column; }
.scope-card > span, .service-code, .trend-demo-head span { color: var(--cyan); font: 700 .66rem monospace; letter-spacing: .13em; }
.scope-card.testing > span { color: var(--lime); }
.scope-card.research > span { color: #b9a7ff; }
.scope-card h3 { margin: 2rem 0 .8rem; font-size: 1.4rem; }
.scope-card p { color: var(--muted); }
.scope-card small { margin-top: auto; padding-top: 2rem; color: #617783; font: .65rem monospace; text-transform: uppercase; }
.project-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(3rem, 8vw, 8rem); align-items: center; }
.status-label { display: inline-flex; align-items: center; gap: .6rem; margin-bottom: 2rem; padding: .45rem .7rem; border: 1px solid rgba(0,183,244,.28); color: var(--cyan-soft); font-size: .68rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.status-label span { width: 6px; height: 6px; background: var(--cyan); }
.status-label.lime { color: var(--lime); border-color: rgba(184,245,0,.28); }
.status-label.lime span { background: var(--lime); }
.project-copy h2 { margin-bottom: 2rem; }
.project-copy .lead { color: #d8e0e4; font-size: 1.2rem; }
.project-copy > p:not(.section-kicker):not(.lead) { color: var(--muted); }
.project-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 2.8rem; background: var(--line); border: 1px solid var(--line); }
.project-facts div { padding: 1rem; background: var(--ink-2); }
.project-facts small, .project-facts strong { display: block; }
.project-facts small { color: #6f818b; font-size: .65rem; letter-spacing: .12em; text-transform: uppercase; }
.project-facts strong { margin-top: .25rem; font-size: .9rem; }
.data-module { position: relative; padding: 1.4rem; background: #080d10; border: 1px solid rgba(0,183,244,.27); box-shadow: 0 35px 90px rgba(0,0,0,.35); }
.data-module::before { content: ""; position: absolute; width: 18px; height: 18px; top: -1px; left: -1px; border-top: 2px solid var(--cyan); border-left: 2px solid var(--cyan); }
.module-top, .metric-row { display: flex; justify-content: space-between; align-items: center; font: .65rem monospace; letter-spacing: .1em; color: #6d818c; }
.module-top b { color: var(--lime); }
.metric-row { margin-top: 2rem; }
.metric-row strong { margin-left: auto; margin-right: .6rem; color: white; font-size: 2.4rem; letter-spacing: -.06em; }
.metric-row .up { color: var(--lime); font-style: normal; }
.chart { position: relative; height: 240px; margin-block: 1rem; overflow: hidden; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 100% 44px, 80px 100%; }
.chart svg { width: 100%; height: 100%; }
.chart .area { fill: url(#area); }
.chart .line { fill: none; stroke: var(--cyan); stroke-width: 3; vector-effect: non-scaling-stroke; }
.scan { position: absolute; inset: 0 auto 0 65%; width: 1px; background: linear-gradient(transparent, var(--lime), transparent); }
.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); }
.module-grid div { padding: .8rem; background: #0c1318; }
.module-grid span, .module-grid strong { display: block; font: .62rem monospace; }
.module-grid span { color: #60727d; }
.module-grid strong { margin-top: .25rem; color: #d6e0e5; }
.module-note { margin: .8rem 0 0; color: #50616b; font-size: .7rem; text-align: right; }

.elariqa-section { position: relative; }
.elariqa-head { display: grid; grid-template-columns: 1fr .75fr; gap: 4rem; align-items: end; }
.elariqa-head > p { color: var(--muted); font-size: 1.15rem; }
.elariqa-portrait { position: relative; min-height: 590px; margin-top: 5rem; border: 1px solid var(--line); overflow: hidden; background: radial-gradient(circle at 50% 50%, rgba(0,183,244,.1), transparent 34%), linear-gradient(135deg, rgba(255,255,255,.018), transparent); }
.elariqa-portrait::before { content: ""; position: absolute; inset: 0; opacity: .15; background-image: linear-gradient(rgba(0,183,244,.2) 1px, transparent 1px), linear-gradient(90deg, rgba(0,183,244,.2) 1px, transparent 1px); background-size: 70px 70px; mask-image: radial-gradient(circle, #000 10%, transparent 68%); }
.elariqa-core { position: absolute; left: 50%; top: 50%; z-index: 2; width: 280px; height: 280px; display: flex; flex-direction: column; align-items: center; justify-content: center; transform: translate(-50%,-50%); border: 1px solid rgba(184,245,0,.48); background: rgba(7,13,17,.94); box-shadow: 0 0 0 20px rgba(0,183,244,.035), 0 40px 100px rgba(0,0,0,.45); clip-path: polygon(12% 0, 88% 0, 100% 12%, 100% 88%, 88% 100%, 12% 100%, 0 88%, 0 12%); }
.elariqa-core img { width: 86px; margin: .9rem 0; }
.elariqa-core strong { color: var(--white); font-size: 1.8rem; letter-spacing: .18em; }
.elariqa-core small { color: #687b85; font: .61rem monospace; text-transform: uppercase; }
.core-status { color: var(--lime); font: .62rem monospace; letter-spacing: .12em; }
.capability { position: absolute; z-index: 2; width: 245px; padding: 1rem 1.1rem; border: 1px solid var(--line); background: rgba(10,16,20,.92); }
.capability::after { content: ""; position: absolute; top: 50%; width: 70px; height: 1px; background: linear-gradient(90deg, var(--cyan), transparent); }
.capability-a { left: 5%; top: 11%; }
.capability-b { right: 5%; top: 11%; }
.capability-c { left: 5%; bottom: 11%; }
.capability-d { right: 5%; bottom: 11%; }
.capability-a::after, .capability-c::after { left: 100%; }
.capability-b::after, .capability-d::after { right: 100%; transform: rotate(180deg); }
.capability span, .capability b, .capability small { display: block; }
.capability span { color: var(--cyan); font: .62rem monospace; }
.capability b { margin: .35rem 0; font-size: .96rem; }
.capability small { color: #71828c; line-height: 1.4; }
.elariqa-definition { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 1px; background: var(--line); }
.elariqa-definition > div { padding: 1.8rem; background: #0c1318; }
.elariqa-definition span { color: var(--lime); font: .67rem monospace; letter-spacing: .1em; text-transform: uppercase; }
.elariqa-definition p { margin: 1rem 0 0; color: var(--muted); }
.future-fields { margin-top: 5rem; }
.future-fields-head { display: grid; grid-template-columns: 1.05fr .95fr; gap: 4rem; align-items: end; margin-bottom: 2.5rem; }
.future-fields-head h3 { margin: 0; font-size: clamp(2rem, 3.5vw, 3.7rem); line-height: 1.05; letter-spacing: -.035em; text-transform: uppercase; }
.future-fields-head > p { margin: 0; color: var(--muted); }
.application-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; padding: 1px; background: var(--line); }
.application-grid article { position: relative; min-height: 250px; padding: 1.7rem; background: #0b1116; overflow: hidden; transition: background .25s, transform .25s; }
.application-grid article::after { content: ""; position: absolute; inset: auto 0 0; height: 2px; background: var(--cyan); transform: scaleX(0); transform-origin: left; transition: transform .3s; }
.application-grid article:nth-child(2n)::after { background: var(--lime); }
.application-grid article:hover { z-index: 1; background: #101a20; transform: translateY(-3px); }
.application-grid article:hover::after { transform: scaleX(1); }
.application-code { color: var(--cyan); font: .66rem monospace; letter-spacing: .1em; }
.application-grid article:nth-child(2n) .application-code { color: var(--lime); }
.application-grid h4 { margin: 2.2rem 0 .7rem; font-size: 1.18rem; }
.application-grid p { color: var(--muted); font-size: .9rem; }
.application-grid small { position: absolute; left: 1.7rem; bottom: 1.35rem; color: #586b75; font: .62rem monospace; letter-spacing: .08em; text-transform: uppercase; }
.intelligence-map { display: grid; grid-template-columns: repeat(4, 1fr 28px) 1.2fr; align-items: center; margin-block: 5rem; }
.map-stage { min-height: 135px; padding: 1rem; border: 1px solid var(--line); background: var(--ink-2); }
.map-stage span, .map-stage b, .map-stage small { display: block; }
.map-stage span { color: var(--cyan); font: .65rem monospace; }
.map-stage b { margin-top: 1.3rem; font-size: 1rem; }
.map-stage small { color: #71828c; font-size: .68rem; }
.map-stage.featured { border-color: var(--lime); background: rgba(184,245,0,.04); }
.map-stage.featured span, .map-stage.featured b { color: var(--lime); }
.intelligence-map > i { height: 1px; background: linear-gradient(90deg, var(--line), var(--cyan)); }
.elariqa-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.elariqa-grid article { padding: 2rem; background: var(--ink); }
.elariqa-grid article > span { color: var(--cyan); font: .66rem monospace; letter-spacing: .1em; text-transform: uppercase; }
.elariqa-grid h3 { margin-top: 1.4rem; font-size: 1.3rem; }
.elariqa-grid p { margin-bottom: 0; color: var(--muted); }

.approach-section { padding-block: clamp(6rem, 11vw, 10rem); background: #0b1217; color: var(--white); border-block: 1px solid var(--line); }
.approach-section .section-kicker { color: var(--cyan-soft); }
.approach-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(3rem, 9vw, 9rem); align-items: start; }
.approach-layout .section-intro { display: block; position: sticky; top: 130px; }
.approach-layout .section-intro h2 { margin-bottom: 2rem; }
.approach-layout .section-intro p:last-child { color: var(--muted); }
.method-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.method-list li { display: grid; grid-template-columns: 70px 1fr; gap: 1.5rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.method-list li > span { color: var(--cyan); font: .75rem monospace; }
.method-list h3 { margin-bottom: .4rem; font-size: 1.4rem; }
.method-list p { margin-bottom: 0; color: var(--muted); }

.platform-section { padding-block: clamp(6rem, 10vw, 9rem); }
.platform-card { padding: clamp(2rem, 5vw, 5rem); border: 1px solid var(--line); background: linear-gradient(135deg, rgba(0,183,244,.07), transparent 60%); }
.platform-card > div:first-child { display: grid; grid-template-columns: 1.1fr .9fr; gap: 4rem; align-items: end; }
.platform-card > div:first-child p:last-child { color: var(--muted); font-size: 1.1rem; }
.service-offer { display: grid; grid-template-columns: 1.4fr .9fr auto; gap: 2rem; align-items: end; margin-top: 4rem; padding-top: 3rem; border-top: 1px solid var(--line); }
.service-offer h3 { margin: .9rem 0; font-size: clamp(1.4rem, 2.5vw, 2rem); }
.service-offer p, .service-offer li { color: var(--muted); }
.service-offer ul { margin: 0; padding-left: 1.1rem; }
.service-offer li + li { margin-top: .55rem; }
.trend-demo { margin-top: 4rem; padding: clamp(1.4rem, 3vw, 2.4rem); background: #090f14; border: 1px solid var(--line); }
.trend-demo-head { display: flex; justify-content: space-between; gap: 2rem; align-items: flex-start; }
.trend-demo-head h3 { margin: .7rem 0 0; font-size: 1.35rem; }
.trend-demo-head b { color: var(--cyan-soft); font: .72rem monospace; }
.trend-demo-values { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 2rem; }
.trend-demo-values div { padding: 1rem; border: 1px solid var(--line); }
.trend-demo-values div:nth-child(2) { text-align: center; }
.trend-demo-values div:last-child { text-align: right; }
.trend-demo-values small { display: block; color: var(--muted); }
.trend-demo-values strong { display: block; margin-top: .3rem; font-size: 1.5rem; }
.trend-demo-values div:first-child strong { color: #42d392; }
.trend-demo-values div:last-child strong { color: #ff6b78; }
.trend-demo-chart { position: relative; height: 150px; margin-top: 1rem; overflow: hidden; background: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px) 0 0/100% 30px; }
.trend-demo-chart i { position: absolute; left: 0; right: 0; border-top: 1px dashed; }
.trend-demo-chart .high { top: 18%; border-color: #42d392; }.trend-demo-chart .baseline { top: 57%; border-color: #617783; }.trend-demo-chart .low { top: 85%; border-color: #ff6b78; }
.trend-path { position: absolute; left: 3%; right: 3%; top: 30%; height: 55%; border-top: 3px solid var(--cyan); border-radius: 50%; transform: rotate(-5deg); filter: drop-shadow(0 0 8px rgba(0,183,244,.45)); }
.trend-demo > p { margin: .8rem 0 0; color: #617783; font-size: .72rem; }
.platforms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 4rem; background: var(--line); }
.platforms div { padding: 1.6rem; background: #0c1217; }
.platforms span, .platforms strong, .platforms small { display: block; }
.platforms span { color: var(--lime); font: .7rem monospace; }
.platforms strong { margin: 1rem 0 .3rem; font-size: 1.15rem; }
.platforms small { color: #748690; }

.closing-section { position: relative; padding-block: clamp(7rem, 13vw, 12rem); overflow: hidden; background: linear-gradient(90deg, rgba(9,13,17,.97), rgba(9,13,17,.77)), url('/assets/arcspool-wallpaper.jpg') center/cover; border-top: 1px solid var(--line); }
.closing-inner img { width: 104px; margin-bottom: 2.5rem; }
.closing-inner h2 { max-width: 900px; margin-bottom: 3rem; }
.closing-inner h2 span { color: var(--cyan); }

.contact-section { padding-block: clamp(7rem, 12vw, 11rem); background: #080c0f; border-top: 1px solid var(--line); }
.contact-head { display: grid; grid-template-columns: 1.1fr .9fr; gap: 4rem; align-items: end; margin-bottom: 4rem; }
.contact-head .section-kicker { grid-column: 1 / -1; margin-bottom: -1.5rem; }
.contact-head h2 span { color: var(--cyan); }
.contact-head > p:last-child { color: var(--muted); font-size: 1.1rem; }
.contact-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.contact-form, .legal-card { padding: clamp(1.5rem, 4vw, 3.2rem); background: #0c1318; }
.form-heading { display: flex; align-items: center; gap: 1rem; margin-bottom: 2rem; }
.form-heading span { color: var(--lime); font: 700 1.2rem monospace; }
.form-heading h3 { margin: 0; font-size: 1.35rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-form label { display: grid; gap: .55rem; margin-bottom: 1rem; color: #91a3ad; font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 0; padding: .9rem 1rem; background: #080d11; color: var(--white); font: 1rem/1.4 Bahnschrift, "Segoe UI", sans-serif; }
.contact-form textarea { resize: vertical; min-height: 150px; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--cyan); outline: none; box-shadow: 0 0 0 1px var(--cyan); }
.contact-form .consent { grid-template-columns: 20px 1fr; align-items: start; margin-block: 1.3rem; font-size: .68rem; line-height: 1.5; text-transform: none; letter-spacing: .02em; }
.consent input { width: 16px; height: 16px; margin-top: 2px; accent-color: var(--lime); }
.form-note { margin: 1rem 0 0; color: #60727d; font-size: .7rem; }
.legal-card { background: #101920; }
.legal-card h3 { font-size: 1.35rem; }
.legal-card address { margin-block: 1.5rem 2rem; color: #c6d0d5; font-style: normal; }
.legal-block { padding-block: 1.15rem; border-top: 1px solid var(--line); }
.legal-block > span { display: block; margin-bottom: .45rem; color: var(--cyan); font: .66rem monospace; letter-spacing: .1em; text-transform: uppercase; }
.legal-block a { color: var(--lime); text-decoration: underline; text-underline-offset: 4px; }
.legal-block p { margin: 0; color: var(--muted); font-size: .83rem; }

.site-footer { min-height: 130px; display: grid; grid-template-columns: 230px 1fr auto auto; gap: 2rem; align-items: center; color: #647680; font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; }
.site-footer img { width: 230px; }
.site-footer p { margin: 0; }
.site-footer nav { display: flex; gap: 1rem; }
.site-footer nav a:hover { color: var(--cyan); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .hero-console { display: none; }
  .hero-content { padding-bottom: 7rem; }
  .pillar-grid, .elariqa-grid { grid-template-columns: 1fr; }
  .pillar { min-height: auto; }
  .company-section, .project-layout, .elariqa-head, .approach-layout, .platform-card > div:first-child, .contact-head, .contact-grid, .future-fields-head, .service-offer { grid-template-columns: 1fr; }
  .scope-grid { grid-template-columns: 1fr; }
  .company-profile { padding-left: 0; padding-top: 2rem; border-left: 0; border-top: 1px solid var(--line); }
  .approach-layout .section-intro { position: static; }
  .intelligence-map { grid-template-columns: 1fr; gap: 0; }
  .intelligence-map > i { width: 1px; height: 26px; margin-left: 50%; background: linear-gradient(var(--line), var(--cyan)); }
  .elariqa-portrait { min-height: auto; padding: 2rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
  .application-grid { grid-template-columns: 1fr 1fr; }
  .elariqa-core, .capability { position: relative; inset: auto; width: auto; transform: none; }
  .elariqa-core { grid-column: 1 / -1; width: 280px; height: 280px; margin: 0 auto 1rem; }
  .capability::after { display: none; }
  .site-footer { grid-template-columns: 230px 1fr; }
}

@media (max-width: 760px) {
  :root { --shell: min(100% - 32px, 1180px); }
  .site-header { height: 70px; padding-inline: 16px; }
  .brand img { width: 205px; }
  .menu-toggle { display: block; }
  .site-nav { position: absolute; inset: 70px 0 auto; display: none; padding: 1.5rem 16px 2rem; background: rgba(9,13,17,.98); border-bottom: 1px solid var(--line); flex-direction: column; gap: 1.2rem; }
  .site-nav.open { display: flex; }
  .hero { min-height: 860px; background-position: 62% center; }
  .hero-content { padding-top: 8rem; }
  h1 { font-size: clamp(2.8rem, 13vw, 4.6rem); }
  .signal-strip { align-items: flex-start; flex-direction: column; gap: .4rem; }
  .signal-strip i { display: none; }
  .scroll-cue { display: none; }
  .section-intro { grid-template-columns: 1fr; gap: 1.5rem; }
  .section-intro .section-kicker { margin-bottom: 0; }
  .project-facts, .platforms, .trend-demo-values { grid-template-columns: 1fr; }
  .trend-demo-values div:nth-child(2), .trend-demo-values div:last-child { text-align: left; }
  .elariqa-portrait, .elariqa-definition, .field-row, .application-grid { grid-template-columns: 1fr; }
  .elariqa-core { grid-column: auto; width: 240px; height: 240px; }
  .data-module { padding: 1rem; }
  .chart { height: 190px; }
  .site-footer { padding-block: 2.5rem; grid-template-columns: 1fr; gap: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}