:root {
  --ink: #1c1713;
  --ink-2: #2d241c;
  --ink-3: #44372c;
  --amber: #c98d2c;
  --gold: #efbd4e;
  --warm: #f3eee5;
  --paper: #e8e0d4;
  --glass: #a29da0;
  --muted: #8e8378;
  --line: rgba(45, 36, 28, .16);
  --line-dark: rgba(243, 238, 229, .14);
  --green: #85a980;
  --header-h: 82px;
  --page: min(1480px, calc(100vw - 72px));
  --ease: cubic-bezier(.2, .75, .25, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--warm);
  font-family: "Geist", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  overflow-x: clip;
  text-rendering: optimizeLegibility;
}
button, a { color: inherit; }
a { text-decoration: none; }
button { font: inherit; }
::selection { color: var(--ink); background: var(--gold); }
.skip-link {
  position: fixed;
  z-index: 9999;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  background: var(--gold);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 4px; }
.noise {
  position: fixed;
  z-index: 1000;
  inset: 0;
  pointer-events: none;
  opacity: .022;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: var(--page);
  margin: 0 auto;
  color: var(--warm);
  transition: height .35s var(--ease), background .35s, color .35s, width .35s;
}
.site-header::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--line-dark);
}
.site-header.is-scrolled {
  top: 10px;
  height: 60px;
  width: min(1440px, calc(100vw - 36px));
  padding: 0 22px;
  color: var(--ink);
  background: rgba(243, 238, 229, .92);
  border: 1px solid rgba(28, 23, 19, .12);
  backdrop-filter: blur(18px);
}
.site-header.is-scrolled::after { display: none; }
.brand { display: inline-flex; align-items: center; gap: 11px; width: fit-content; font-size: .77rem; font-weight: 700; letter-spacing: .13em; }
.brand-mark { width: 30px; height: 30px; }
.desktop-nav { display: flex; align-items: center; gap: 36px; font-size: .82rem; }
.desktop-nav a, .header-cta { position: relative; }
.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -7px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .35s var(--ease);
}
.desktop-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header-cta { justify-self: end; display: flex; align-items: center; gap: 12px; font-size: .82rem; font-weight: 600; }
.header-cta span { transition: transform .3s var(--ease); }
.header-cta:hover span { transform: translate(3px, -3px); }
.menu-toggle { display: none; width: 38px; height: 38px; padding: 8px; border: 0; background: transparent; }
.menu-toggle span { display: block; width: 100%; height: 1px; margin: 6px 0; background: currentColor; transition: transform .3s; }
.mobile-menu { display: none; }

.hero {
  position: relative;
  min-height: 100svh;
  padding: calc(var(--header-h) + 80px) max(36px, calc((100vw - 1480px) / 2)) 38px;
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(520px, 1.05fr);
  grid-template-rows: 1fr auto;
  gap: 54px 4vw;
  align-items: center;
  color: var(--warm);
  background:
    radial-gradient(circle at 70% 42%, rgba(201, 141, 44, .11), transparent 31%),
    linear-gradient(115deg, #17120f 0%, #211913 58%, #17120f 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .42;
  background-image: linear-gradient(var(--line-dark) 1px, transparent 1px), linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 7vw 7vw;
  mask-image: linear-gradient(to right, black, transparent 52%);
}
.hero-copy { position: relative; z-index: 2; max-width: 820px; padding-bottom: 18px; }
.eyebrow { margin: 0 0 30px; color: var(--amber); font-size: .7rem; font-weight: 600; letter-spacing: .17em; text-transform: uppercase; }
.hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(3.9rem, 6.6vw, 7.7rem);
  font-weight: 500;
  line-height: .91;
  letter-spacing: -.067em;
  text-wrap: balance;
}
.hero-lede { max-width: 640px; margin: 38px 0 0; color: rgba(243, 238, 229, .68); font-size: clamp(1rem, 1.2vw, 1.22rem); line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 32px; margin-top: 42px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 22px; padding: 0 23px; border: 1px solid transparent; font-size: .83rem; font-weight: 600; transition: transform .35s var(--ease), background .35s, color .35s; }
.button span { transition: transform .35s var(--ease); }
.button:hover { transform: translateY(-2px); }
.button:hover span { transform: translate(3px, -3px); }
.button-primary { color: var(--ink); background: var(--gold); }
.button-primary:hover { background: #ffd26e; }
.text-link { display: inline-flex; gap: 13px; color: rgba(243, 238, 229, .75); font-size: .83rem; }
.text-link span { color: var(--gold); }

.hero-stage {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 820px;
  justify-self: end;
  aspect-ratio: 1 / .82;
  border: 1px solid rgba(239, 189, 78, .2);
  background: radial-gradient(circle at 50% 48%, rgba(239, 189, 78, .08), rgba(28, 23, 19, .1) 50%, rgba(28, 23, 19, .6) 100%);
  isolation: isolate;
}
.hero-stage::before, .hero-stage::after { content: ""; position: absolute; z-index: 3; pointer-events: none; }
.hero-stage::before { inset: 16px; border: 1px solid rgba(243, 238, 229, .07); }
.hero-stage::after { inset: 0; background: linear-gradient(90deg, transparent 49.92%, rgba(243,238,229,.06) 50%, transparent 50.08%), linear-gradient(transparent 49.92%, rgba(243,238,229,.06) 50%, transparent 50.08%); }
#hero-3d { position: absolute; z-index: 2; inset: 0; width: 100%; height: 100%; display: block; }
.stage-fallback { position: absolute; z-index: 1; inset: 0; display: grid; place-items: center; }
.webgl-ready .stage-fallback { opacity: 0; }
.fallback-core { width: 130px; height: 130px; border: 1px solid rgba(239,189,78,.6); transform: rotate(45deg); box-shadow: 0 0 60px rgba(201,141,44,.18); }
.fallback-orbit { position: absolute; width: 52%; aspect-ratio: 1; border: 1px solid rgba(243,238,229,.15); border-radius: 50%; transform: rotateX(64deg) rotateZ(20deg); }
.fallback-orbit-b { width: 72%; transform: rotateX(71deg) rotateZ(-28deg); }
.stage-interface { position: absolute; z-index: 4; inset: 0; pointer-events: none; font-size: .65rem; letter-spacing: .08em; text-transform: uppercase; }
.stage-topline { position: absolute; top: 32px; left: 32px; right: 32px; display: flex; justify-content: space-between; color: rgba(243,238,229,.45); }
.live-state { display: flex; align-items: center; gap: 8px; color: rgba(243,238,229,.72); }
.live-state i, .status-pill i { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px rgba(133,169,128,.7); }
.stage-node { position: absolute; display: grid; grid-template-columns: auto 1fr; gap: 0 10px; width: 140px; padding: 10px 12px; color: var(--warm); background: rgba(28,23,19,.58); border: 1px solid rgba(243,238,229,.13); backdrop-filter: blur(8px); }
.stage-node > span { grid-row: span 2; color: var(--amber); font-size: .58rem; }
.stage-node strong { font-size: .65rem; font-weight: 600; }
.stage-node small { color: rgba(243,238,229,.42); font-size: .52rem; }
.stage-node-pos { top: 25%; left: 6%; }
.stage-node-ai { top: 20%; right: 5%; }
.stage-node-cloud { bottom: 18%; right: 10%; }
.stage-caption { position: absolute; left: 32px; bottom: 28px; color: rgba(243,238,229,.36); }
.hero-foot { position: relative; z-index: 2; grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr auto; gap: 24px; padding-top: 25px; border-top: 1px solid var(--line-dark); color: rgba(243,238,229,.38); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; }
.hero-foot a { display: flex; align-items: center; gap: 12px; color: var(--warm); }
.hero-foot i { width: 28px; height: 1px; background: var(--gold); }

.marquee-shell { overflow: hidden; color: var(--ink); background: var(--gold); border-bottom: 1px solid rgba(28,23,19,.18); }
.marquee-track { display: flex; width: max-content; animation: marquee 35s linear infinite; }
.marquee-set { display: flex; align-items: center; gap: 32px; padding: 17px 16px; white-space: nowrap; font-size: .72rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.marquee-set i { width: 4px; height: 4px; transform: rotate(45deg); background: currentColor; }
@keyframes marquee { to { transform: translateX(-50%); } }

.section { padding: 160px max(36px, calc((100vw - 1480px) / 2)); }
.section-heading { display: grid; grid-template-columns: minmax(160px,.55fr) minmax(480px,1.6fr) minmax(240px,.65fr); gap: 4vw; align-items: end; margin-bottom: 86px; }
.section-heading .eyebrow { align-self: start; margin-top: 13px; }
.section-heading h2, .story-intro h2 { margin: 0; font-size: clamp(2.8rem, 5vw, 5.7rem); font-weight: 500; line-height: .98; letter-spacing: -.055em; text-wrap: balance; }
.section-heading > p:last-child, .story-intro > p:last-child { margin: 0; color: #70665d; line-height: 1.7; }
.section-heading.compact { grid-template-columns: .58fr 1.42fr; }

.platforms-section { background: var(--paper); }
.product-grid { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: minmax(300px, auto); grid-auto-flow: dense; border: 1px solid var(--line); }
.product-panel { min-width: 0; overflow: hidden; background: #f7f3ec; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pos-panel { grid-column: span 7; grid-row: span 2; }
.ai-panel, .infra-panel { grid-column: span 5; }
.panel-bar { height: 58px; display: flex; align-items: center; justify-content: space-between; padding: 0 19px; border-bottom: 1px solid var(--line); color: #766c63; font-size: .66rem; }
.panel-bar > div { display: flex; align-items: center; gap: 10px; }
.panel-bar strong { color: var(--ink); font-size: .75rem; }
.product-symbol { width: 28px; height: 28px; display: grid; place-items: center; color: var(--ink); background: var(--gold); font-size: .6rem; font-weight: 700; }
.panel-tools button { width: 29px; height: 29px; border: 1px solid var(--line); background: transparent; }
.pos-layout { display: grid; grid-template-columns: 122px 1fr; min-height: 580px; }
.pos-layout aside { display: flex; flex-direction: column; gap: 8px; padding: 26px 14px; color: #8d837a; background: #eee8df; border-right: 1px solid var(--line); font-size: .65rem; }
.pos-layout aside span { padding: 9px 10px; }
.pos-layout aside .active { color: var(--ink); background: var(--warm); font-weight: 600; }
.pos-content { min-width: 0; padding: 30px; }
.dashboard-title { display: flex; justify-content: space-between; align-items: end; }
.dashboard-title div { display: grid; gap: 7px; }
.dashboard-title small, .metric-row small, .chart-head small { color: #93887e; font-size: .56rem; letter-spacing: .12em; }
.dashboard-title strong { font-size: 1.35rem; font-weight: 600; }
.dashboard-title > span { color: #8b8177; font-size: .6rem; }
.metric-row { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 28px; border: 1px solid var(--line); }
.metric-row > div { position: relative; display: grid; gap: 7px; padding: 17px; border-right: 1px solid var(--line); }
.metric-row > div:last-child { border: 0; }
.metric-row strong { font-size: clamp(.9rem,1.3vw,1.22rem); font-weight: 600; }
.metric-row > div > span { position: absolute; right: 14px; bottom: 17px; color: #8f857b; font-size: .53rem; }
.metric-row .positive { color: #63845f; }
.chart-card { margin-top: 22px; padding: 21px; border: 1px solid var(--line); }
.chart-head { display: flex; justify-content: space-between; align-items: center; }
.chart-head > div:first-child { display: grid; gap: 6px; }
.chart-head strong { font-size: .8rem; }
.legend { display: flex; align-items: center; gap: 7px; color: #81776e; font-size: .55rem; }
.legend i { width: 7px; height: 7px; background: var(--amber); }
.chart-card svg { display: block; width: 100%; height: 210px; margin-top: 15px; overflow: visible; }
.chart-grid { stroke: rgba(28,23,19,.08); }
.chart-card .area { fill: url(#area); }
.chart-card .line { fill: none; stroke: var(--amber); stroke-width: 2.2; vector-effect: non-scaling-stroke; }
.chart-labels { display: flex; justify-content: space-between; color: #9a9087; font-size: .48rem; letter-spacing: .08em; }

.status-pill { display: flex; align-items: center; gap: 7px; color: #63845f; }
.workflow { position: relative; min-height: 250px; margin: 16px; background-image: linear-gradient(rgba(28,23,19,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(28,23,19,.05) 1px, transparent 1px); background-size: 22px 22px; }
.workflow-lines { position: absolute; inset: 0; }
.workflow-lines svg { width: 100%; height: 100%; fill: none; stroke: rgba(201,141,44,.65); stroke-width: 1; stroke-dasharray: 4 4; }
.flow-node { position: absolute; display: grid; gap: 2px; width: 132px; padding: 9px 11px; background: #f7f3ec; border: 1px solid rgba(28,23,19,.2); box-shadow: 0 8px 20px rgba(45,36,28,.05); }
.flow-node small { color: var(--amber); font-size: .46rem; letter-spacing: .12em; }
.flow-node strong { font-size: .63rem; }
.flow-node span { color: #8a8077; font-size: .5rem; }
.flow-source { top: 21px; left: 18px; }
.flow-agent { z-index: 2; top: 95px; left: 50%; transform: translateX(-50%); border-color: var(--amber); }
.flow-action { top: 67px; right: 18px; }
.flow-alert { right: 18px; bottom: 20px; }
.ai-foot { display: flex; justify-content: space-between; padding: 0 20px 18px; color: #81776e; font-size: .56rem; }
.infra-status { display: flex; justify-content: space-between; align-items: center; margin: 17px; padding: 15px; color: #63845f; background: rgba(133,169,128,.1); border: 1px solid rgba(99,132,95,.22); }
.infra-status > div { display: flex; align-items: center; gap: 11px; }
.infra-status i, .service-list i { width: 7px; height: 7px; display: inline-block; border-radius: 50%; background: var(--green); }
.infra-status span { display: grid; }
.infra-status span strong { color: var(--ink); font-size: .66rem; }
.infra-status small { color: #758072; font-size: .5rem; }
.infra-status > strong { font-size: .75rem; }
.service-list { margin: 0 17px; border: 1px solid var(--line); }
.service-list > div { display: flex; justify-content: space-between; padding: 9px 12px; border-bottom: 1px solid var(--line); color: #5f564e; font-size: .55rem; }
.service-list > div:last-child { border: 0; }
.service-list span { display: flex; align-items: center; gap: 8px; }
.service-list em { color: #8b8178; font-style: normal; }
.terminal { margin: 14px 17px 17px; padding: 11px 13px; color: #bdb2a4; background: var(--ink); }
.terminal > div { display: flex; gap: 5px; margin-bottom: 9px; }
.terminal > div span { width: 5px; height: 5px; border-radius: 50%; background: #665a50; }
.terminal code { font-size: .5rem; line-height: 1.7; }
.terminal b { color: var(--gold); }.terminal i { color: var(--green); font-style: normal; }

.capabilities-section { color: var(--warm); background: var(--ink); }
.capabilities-section .section-heading h2 { max-width: 900px; }
.service-accordion { border-top: 1px solid var(--line-dark); }
.service-item { border-bottom: 1px solid var(--line-dark); }
.service-item button { width: 100%; display: grid; grid-template-columns: 100px 1fr 44px; gap: 18px; align-items: center; padding: 28px 0; color: var(--warm); border: 0; background: transparent; cursor: pointer; text-align: left; }
.service-number { color: var(--amber); font-size: .65rem; letter-spacing: .15em; }
.service-title { font-size: clamp(1.45rem,2.5vw,2.7rem); font-weight: 500; letter-spacing: -.035em; }
.service-icon { position: relative; width: 42px; height: 42px; border: 1px solid var(--line-dark); border-radius: 50%; }
.service-icon::before, .service-icon::after { content: ""; position: absolute; top: 50%; left: 50%; width: 12px; height: 1px; background: var(--warm); transform: translate(-50%,-50%); transition: transform .35s; }
.service-icon::after { transform: translate(-50%,-50%) rotate(90deg); }
.service-item.is-open .service-icon::after { transform: translate(-50%,-50%) rotate(0); }
.service-content { height: 0; overflow: hidden; display: grid; grid-template-columns: 100px 1.15fr .85fr; gap: 18px; }
.service-content p { grid-column: 2; max-width: 700px; margin: 0 0 38px; color: rgba(243,238,229,.6); font-size: clamp(1rem,1.5vw,1.3rem); line-height: 1.65; }
.service-content ul { grid-column: 3; margin: 0 0 38px; padding: 0; list-style: none; color: rgba(243,238,229,.48); font-size: .73rem; }
.service-content li { padding: 7px 0; border-bottom: 1px solid rgba(243,238,229,.08); }

.systems-story { position: relative; padding: 170px max(36px, calc((100vw - 1480px) / 2)); background: var(--warm); }
.story-intro { display: grid; grid-template-columns: .55fr 1.6fr .65fr; gap: 4vw; align-items: end; margin-bottom: 120px; }
.story-intro .eyebrow { align-self: start; margin-top: 13px; }
.story-stack { position: relative; max-width: 1180px; margin-left: auto; }
.stack-card { position: sticky; top: 100px; min-height: 610px; display: grid; grid-template-columns: .55fr 1.35fr 1fr; gap: 5vw; align-items: center; padding: clamp(34px,5vw,76px); margin-bottom: 80px; border: 1px solid rgba(28,23,19,.2); transform-origin: center top; box-shadow: 0 30px 70px rgba(28,23,19,.11); }
.stack-card-one { top: 90px; background: #e4d8c7; }
.stack-card-two { top: 112px; color: var(--warm); background: var(--ink-2); }
.stack-card-three { top: 134px; background: var(--gold); margin-bottom: 0; }
.stack-index { align-self: start; padding-top: 5px; font-size: .63rem; font-weight: 600; letter-spacing: .16em; }
.stack-card h3 { margin: 0; font-size: clamp(2rem,3.6vw,4.2rem); font-weight: 500; line-height: 1; letter-spacing: -.05em; }
.stack-card p { max-width: 560px; margin: 25px 0 0; opacity: .64; font-size: 1rem; line-height: 1.7; }
.map-visual { display: grid; gap: 34px; }
.map-row { display: flex; align-items: center; }
.map-row span { flex: none; width: 42px; height: 42px; border: 1px solid var(--ink); transform: rotate(45deg); }
.map-row i { flex: 1; height: 1px; background: var(--ink); }
.map-row.offset { width: 70%; margin-left: 15%; }
.code-visual { overflow: hidden; border: 1px solid var(--line-dark); }
.code-visual > span { display: block; padding: 12px 16px; color: rgba(243,238,229,.4); border-bottom: 1px solid var(--line-dark); font-size: .6rem; }
.code-visual code { display: block; padding: 25px 20px; color: rgba(243,238,229,.68); font-size: clamp(.65rem,1vw,.82rem); line-height: 2.2; }
.pulse-visual { display: grid; justify-items: center; gap: 24px; }
.pulse-ring { width: min(16vw,190px); aspect-ratio: 1; display: grid; place-items: center; border: 1px solid rgba(28,23,19,.35); border-radius: 50%; box-shadow: 0 0 0 28px rgba(28,23,19,.05), 0 0 0 56px rgba(28,23,19,.035); }
.pulse-ring i { width: 17%; aspect-ratio: 1; border-radius: 50%; background: var(--ink); box-shadow: 0 0 0 10px rgba(28,23,19,.12); }
.pulse-visual span { font-size: .65rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }

.closing { display: grid; grid-template-columns: 1.4fr .6fr; gap: 10vw; align-items: end; padding: 150px max(36px, calc((100vw - 1480px) / 2)); color: var(--ink); background: var(--amber); }
.closing .eyebrow { color: var(--ink); opacity: .62; }
.closing h2 { max-width: 900px; margin: 0; font-size: clamp(3.2rem,6vw,7.4rem); font-weight: 500; line-height: .92; letter-spacing: -.065em; }
.closing-action p { margin: 0 0 32px; opacity: .7; line-height: 1.7; }
.button-light { color: var(--warm); background: var(--ink); }
.button-light:hover { background: #34291f; }

.site-footer { display: grid; grid-template-columns: 1.2fr .55fr .75fr; gap: 7vw; padding: 85px max(36px, calc((100vw - 1480px) / 2)) 30px; color: var(--warm); background: var(--ink); }
.footer-brand p { max-width: 350px; margin: 28px 0 0; color: rgba(243,238,229,.45); font-size: .82rem; }
.footer-links { display: grid; align-content: start; gap: 12px; color: rgba(243,238,229,.62); font-size: .8rem; }
.footer-contact { display: grid; align-content: start; gap: 12px; }
.footer-contact span { color: rgba(243,238,229,.4); font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-contact a { font-size: clamp(1rem,1.4vw,1.3rem); border-bottom: 1px solid var(--line-dark); padding-bottom: 12px; }
.footer-bottom { grid-column: 1/-1; display: flex; justify-content: space-between; margin-top: 80px; padding-top: 22px; color: rgba(243,238,229,.32); border-top: 1px solid var(--line-dark); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; }

@media (max-width: 1180px) {
  :root { --page: calc(100vw - 48px); }
  .hero { grid-template-columns: 1fr 1fr; padding-left: 24px; padding-right: 24px; }
  .hero h1 { font-size: clamp(3.7rem,7.2vw,6.6rem); }
  .section-heading, .story-intro { grid-template-columns: .5fr 1.5fr; }
  .section-heading > p:last-child, .story-intro > p:last-child { grid-column: 2; max-width: 680px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: auto; }
  .pos-panel { grid-column: 1/-1; grid-row: auto; }
  .ai-panel, .infra-panel { grid-column: span 1; }
  .stack-card { grid-template-columns: .35fr 1.4fr .8fr; }
}

@media (max-width: 820px) {
  :root { --header-h: 68px; --page: calc(100vw - 36px); }
  .desktop-nav, .header-cta { display: none; }
  .site-header { grid-template-columns: 1fr auto; }
  .site-header.is-scrolled { top: 8px; width: calc(100vw - 20px); }
  .menu-toggle { display: block; justify-self: end; }
  .mobile-menu { position: fixed; z-index: 90; inset: 0; display: flex; flex-direction: column; justify-content: center; gap: 10px; padding: 90px 30px 40px; color: var(--warm); background: var(--ink); }
  .mobile-menu[hidden] { display: none; }
  .mobile-menu a { padding: 15px 0; font-size: clamp(1.5rem,8vw,3rem); border-bottom: 1px solid var(--line-dark); }
  .hero { min-height: auto; padding: 120px 18px 30px; grid-template-columns: 1fr; grid-template-rows: auto; gap: 56px; }
  .hero::before { mask-image: none; opacity: .25; }
  .hero-copy { padding: 0; }
  .hero h1 { font-size: clamp(3.5rem,14vw,6rem); }
  .hero-lede { font-size: 1rem; }
  .hero-stage { max-width: none; justify-self: stretch; }
  .hero-foot { grid-column: auto; grid-template-columns: 1fr auto; }
  .hero-foot > span:nth-child(2) { display: none; }
  .section { padding: 110px 18px; }
  .section-heading, .section-heading.compact, .story-intro { grid-template-columns: 1fr; gap: 23px; margin-bottom: 58px; }
  .section-heading .eyebrow, .story-intro .eyebrow { margin: 0; }
  .section-heading > p:last-child, .story-intro > p:last-child { grid-column: auto; }
  .product-grid { display: block; }
  .product-panel { border-right: 0; }
  .pos-layout { min-height: 520px; }
  .workflow { min-height: 310px; }
  .ai-panel, .infra-panel { min-height: 390px; }
  .service-item button { grid-template-columns: 54px 1fr 42px; }
  .service-content { grid-template-columns: 54px 1fr; }
  .service-content p, .service-content ul { grid-column: 2; }
  .systems-story { padding: 120px 18px; }
  .story-intro { margin-bottom: 76px; }
  .story-stack { margin: 0; }
  .stack-card { min-height: 570px; grid-template-columns: 1fr; align-content: space-between; gap: 35px; padding: 30px; }
  .stack-card-one { top: 78px; }.stack-card-two { top: 93px; }.stack-card-three { top: 108px; }
  .stack-index { align-self: auto; }
  .map-visual, .code-visual, .pulse-visual { max-width: 420px; width: 100%; }
  .pulse-ring { width: 120px; }
  .closing { grid-template-columns: 1fr; padding: 110px 18px; }
  .closing-action { max-width: 520px; }
  .site-footer { grid-template-columns: 1fr 1fr; padding: 70px 18px 25px; }
  .footer-brand { grid-column: 1/-1; }
  .footer-bottom { margin-top: 50px; }
}

@media (max-width: 540px) {
  .hero h1 { font-size: clamp(3.25rem, 15vw, 4.4rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 23px; }
  .hero-stage { aspect-ratio: .8/1; }
  .stage-topline { top: 22px; left: 22px; right: 22px; }
  .stage-node { width: 122px; }
  .stage-node-pos { top: 25%; left: 4%; }.stage-node-ai { top: 17%; right: 4%; }.stage-node-cloud { right: 5%; bottom: 18%; }
  .stage-caption { left: 22px; bottom: 20px; }
  .hero-foot > span { display: none; }
  .hero-foot { display: flex; justify-content: flex-end; }
  .section-heading h2, .story-intro h2 { font-size: 2.85rem; }
  .pos-layout { grid-template-columns: 1fr; }
  .pos-layout aside { display: none; }
  .pos-content { padding: 18px 14px; }
  .metric-row { grid-template-columns: 1fr 1fr; }
  .metric-row > div:last-child { display: none; }
  .chart-card { padding: 14px; }
  .flow-node { width: 116px; }
  .service-item button { grid-template-columns: 38px 1fr 36px; gap: 10px; padding: 24px 0; }
  .service-number { font-size: .55rem; }
  .service-content { display: block; padding-left: 48px; }
  .stack-card { min-height: 600px; }
  .closing h2 { font-size: 3.55rem; }
  .site-footer { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .marquee-track { transform: none !important; }
  .stack-card { position: relative; top: auto; }
}