/* NexusAI v3 — diagram-only hero, challenge story, 3D layer stack, ontology explorer,
   solution visuals, case studies, about, contact. Loaded after site.css. */
.wrap-wide { width: min(1640px, 100% - 48px); margin-inline: auto; }

/* hero: diagram only */
.hero3 { position: relative; height: 100svh; min-height: 640px; padding-top: 68px; display: flex; flex-direction: column; overflow: hidden; isolation: isolate; background: var(--g0); }
.hero3::after { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(ellipse 85% 75% at 50% 55%, transparent 30%, var(--g0) 85%); }
.hero3-stage { flex: 1; min-height: 0; display: flex; align-items: center; justify-content: center; padding: 6px 24px 0; }
.hero3-stage .hero-stage { width: 100%; min-height: 0; }
.hero3-stage.inline { padding: 0; display: block; }
.hero3-foot { display: grid; justify-items: center; gap: 10px; padding: 4px 0 16px; }
.hero3-foot .hero2-hint { margin: 0; }
.scroll-cue { width: 24px; height: 38px; border-radius: 12px; border: 1px solid var(--ln-d2); display: grid; justify-items: center; padding-top: 7px; }
.scroll-cue span { width: 2px; height: 8px; border-radius: 2px; background: var(--acc-hi); animation: cue 2s var(--ease-o) infinite; }
@keyframes cue { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(12px); } }

/* intro band below hero */
.intro { padding: clamp(64px, 8vw, 110px) 0 clamp(56px, 7vw, 96px); border-top: 1px solid var(--ln-d); }
.intro-grid { display: grid; grid-template-columns: 1fr minmax(320px, 420px); gap: 56px; align-items: end; }
.intro-grid > div:first-child { display: grid; gap: 18px; }
.h-intro { font-size: clamp(38px, 4.4vw, 66px); font-weight: 500; letter-spacing: -.045em; line-height: 1.02; text-wrap: balance; }
.h-intro .split-line { text-wrap: balance; }
.intro-side { display: grid; gap: 22px; }
.intro-side p { margin: 0; color: var(--mu-d); font-size: 17px; line-height: 1.6; }
.proof { margin-top: clamp(48px, 6vw, 80px); display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ln-d); }
.proof > div { padding: 24px 24px 0; display: grid; gap: 8px; }
.proof > div:first-child { padding-left: 0; }
.proof > div + div { border-left: 1px solid var(--ln-d); }
.proof strong { font: 300 clamp(36px, 3.8vw, 54px)/1 var(--f); letter-spacing: -.05em; color: var(--tx-d); font-variant-numeric: tabular-nums; }
.proof > div > span { font-size: 14px; color: var(--mu-d); }

/* challenge story */
.cs-story { display: grid; grid-template-columns: minmax(300px, 400px) 1fr; gap: clamp(40px, 6vw, 88px); }
.cs-side { position: sticky; top: 108px; align-self: start; display: grid; gap: 20px; }
.cs-index { list-style: none; margin: 12px 0 0; padding: 0; border-top: 1px solid var(--ln); }
.cs-index li { display: flex; gap: 14px; align-items: baseline; padding: 14px 0; border-bottom: 1px solid var(--ln); color: var(--mu); cursor: pointer; transition: color .3s, padding .4s var(--ease-o); font-size: 15.5px; }
.cs-index li span { font: 400 12px/1 var(--fm); }
.cs-index li.cur { color: var(--tx); padding-left: 10px; box-shadow: inset 2px 0 0 var(--acc); }
.cs-index li.cur span { color: var(--acc-lo); }
.cs-panels { display: grid; gap: 28px; }
.cs-panel { background: var(--p1); border: 1px solid var(--ln); border-radius: var(--r); overflow: hidden; color: var(--tx); }
.cs-art { position: relative; background: var(--g0); padding: clamp(18px, 3vw, 34px); background-image: radial-gradient(circle, rgba(255, 255, 255, .07) 1px, transparent 1.4px); background-size: 22px 22px; }
.cs-tag { position: absolute; top: 14px; left: 16px; font: 400 11.5px/1 var(--fm); padding: 6px 9px; border-radius: 4px; transition: opacity .5s; }
.cs-tag.before { background: rgba(220, 53, 69, .16); color: #ff8a95; }
.cs-tag.after { background: var(--acc-soft); color: var(--acc-hi); opacity: 0; }
.cs-panel.in .cs-tag.before { opacity: 0; transition-delay: 1s; }
.cs-panel.in .cs-tag.after { opacity: 1; transition-delay: 1.1s; }
.cs-text { padding: clamp(22px, 3vw, 34px); display: grid; gap: 12px; }
.cs-text h3 { font-size: clamp(22px, 2.2vw, 30px); letter-spacing: -.03em; }
.cs-ba { display: grid; grid-template-columns: 1fr 1fr; margin-top: 8px; border-top: 1px solid var(--ln); }
.cs-ba > div { padding: 18px 20px 0 0; display: grid; gap: 6px; align-content: start; }
.cs-ba > div + div { padding-left: 20px; border-left: 1px solid var(--ln); }
.cs-ba small { font: 400 11.5px/1 var(--fm); letter-spacing: .06em; text-transform: uppercase; color: var(--bad); }
.cs-ba > div + div small { color: var(--acc-lo); }
.cs-ba p { margin: 0; font-size: 16px; line-height: 1.55; color: var(--tx2); }
.art { width: 100%; height: auto; display: block; overflow: visible; }
.art text { font: 400 11px var(--fm); fill: #c8cdd7; text-anchor: middle; }
.art rect, .art polygon { fill: var(--g1); stroke: var(--ln-d2); stroke-width: 1; }
.art .a-cap { fill: var(--mu-d); text-anchor: start; }
.art .a-arrow { fill: none; stroke: var(--mu-d); stroke-width: 1.4; }
.a-link { stroke: var(--acc); stroke-width: 1.5; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1s var(--ease-o); transition-delay: calc(.9s + var(--i) * .12s); }
.cs-panel.in .a-link { stroke-dashoffset: 0; }
.a-broken line { stroke: #ff6b78; stroke-width: 1.4; stroke-dasharray: 3 3; }
.a-broken text { fill: #ff6b78; font-size: 15px; }
.a-broken { transition: opacity .5s .5s; }
.cs-panel.in .a-broken { opacity: 0; }
.a-node rect { transition: stroke .5s; transition-delay: calc(1s + var(--i) * .12s); }
.cs-panel.in .a-node rect { stroke: var(--acc); }
.a-hub { transform-box: fill-box; transform-origin: center; transform: scale(0); transition: transform .8s var(--ease-o) .7s; }
.art .a-hub polygon { fill: var(--acc); stroke: none; }
.art .a-hub text { fill: var(--acc-ink); font-weight: 500; }
.cs-panel.in .a-hub { transform: scale(1); }
.a-rail { stroke: var(--ln-d2); stroke-width: 2; fill: none; }
.a-step circle { fill: var(--g1); stroke: var(--mu-d); stroke-width: 1.5; }
.art .a-block rect { fill: rgba(220, 53, 69, .18); stroke: #ff6b78; }
.art .a-block text { fill: #ff8a95; font-size: 18px; font-weight: 600; }
.art .a-block .a-cap { font-size: 11px; font-weight: 400; text-anchor: middle; fill: #ff8a95; }
.a-detour { fill: none; stroke: var(--acc); stroke-width: 2; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.2s var(--ease-o) .8s; }
.cs-panel.in .a-detour { stroke-dashoffset: 0; }
.a-agent { opacity: 0; transition: opacity .6s 1.3s; }
.art .a-agent rect { fill: var(--acc-soft); stroke: var(--acc); }
.art .a-agent text { fill: var(--acc-hi); }
.cs-panel.in .a-agent { opacity: 1; }
.a-token { fill: var(--acc-hi); opacity: 0; transition: opacity .5s 1.8s; }
.cs-panel.in .a-token { opacity: 1; }
.art .a-raw text { fill: #8f96a3; font-size: 13px; transition: opacity .8s; transition-delay: calc(.4s + var(--i) * .03s); }
.cs-panel.in .a-raw text { opacity: .25; }
.a-edge line { stroke: var(--acc); stroke-width: 1.5; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset .9s var(--ease-o); transition-delay: calc(1s + var(--i) * .2s); }
.art .a-edge text { fill: var(--mu-d); font-size: 10px; opacity: 0; transition: opacity .5s; transition-delay: calc(1.5s + var(--i) * .2s); }
.cs-panel.in .a-edge line { stroke-dashoffset: 0; }
.cs-panel.in .a-edge text { opacity: 1; }
.a-ent { opacity: 0; transition: opacity .5s; transition-delay: calc(.8s + var(--i) * .15s); }
.a-ent circle { fill: var(--acc); }
.art .a-ent text { fill: var(--tx-d); font-size: 11.5px; }
.cs-panel.in .a-ent { opacity: 1; }
.a-dash .a-chart { fill: none; stroke: var(--mu-d); stroke-width: 1.6; }
.art .a-dash .a-warn { fill: #ffb86b; text-anchor: start; }
.a-act { opacity: 0; transform: translateX(14px); transition: opacity .5s, transform .6s var(--ease-o); transition-delay: calc(.8s + var(--i) * .45s); }
.cs-panel.in .a-act { opacity: 1; transform: none; }
.art .a-act circle { fill: var(--ok); }
.a-act path { fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.art .a-act text { text-anchor: start; fill: var(--tx-d); font-size: 12px; }

/* 3D layer stack */
.ls { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(28px, 4vw, 56px); align-items: center; }
.ls-visual { position: relative; height: 560px; perspective: 1900px; }
.ls-iso { position: absolute; inset: 0; transform-style: preserve-3d; transform: translateY(100px) rotateX(58deg) rotateZ(-40deg); }
.ls-plane { position: absolute; left: 50%; top: 50%; width: 300px; height: 300px; margin: -150px 0 0 -150px; border-radius: 10px; border: 1px solid var(--ln-d2); background: rgba(20, 22, 27, .9); transform: translateZ(calc(var(--z) * 62px)); transition: transform .8s var(--ease-o), background .5s, border-color .5s, opacity .5s; cursor: pointer; }
.ls-plane.above { opacity: .22; }
.ls-plane.below { opacity: .75; }
.ls-dots { position: absolute; inset: 26px; background-image: radial-gradient(circle, rgba(255, 255, 255, .22) 1.1px, transparent 1.5px); background-size: 24px 24px; opacity: .5; transition: opacity .5s; }
.ls-pn { position: absolute; left: 18px; top: 16px; font: 400 12px/1 var(--fm); color: var(--mu-d); }
.ls-pl { position: absolute; left: 46px; top: 16px; font: 500 12px/1 var(--fm); letter-spacing: .1em; text-transform: uppercase; color: var(--tx-d); }
.ls-plane.on { background: color-mix(in srgb, var(--acc) 20%, var(--g1)); border-color: var(--acc); transform: translateZ(calc(var(--z) * 62px + 10px)) translate(-70px, 70px); box-shadow: 0 0 60px -10px color-mix(in srgb, var(--acc) 60%, transparent); }
.ls-plane.on .ls-dots { background-image: radial-gradient(circle, var(--acc-hi) 1.2px, transparent 1.6px); opacity: .7; }
.ls-plane.on .ls-pn, .ls-plane.on .ls-pl { color: var(--acc-hi); }
.ls-ops-band { display: none; }
.ls-panel { display: grid; gap: 22px; }
.ls-tabs { display: grid; border-top: 1px solid var(--ln-d); }
.ls-tabs button { position: relative; display: flex; align-items: baseline; gap: 14px; padding: 14px 4px; border: 0; border-bottom: 1px solid var(--ln-d); background: none; color: var(--mu-d); font-size: 16px; text-align: left; transition: color .3s, padding .4s var(--ease-o); }
.ls-tabs button span:first-child { font: 400 12px/1 var(--fm); }
.ls-tabs button:hover { color: var(--tx-d); }
.ls-tabs button[aria-selected="true"] { color: var(--tx-d); padding-left: 12px; }
.ls-tabs button[aria-selected="true"] span:first-child { color: var(--acc-hi); }
.ls-tabs .bar { position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%; background: var(--acc); transform: scaleX(0); transform-origin: left; }
.ls-tabs button[aria-selected="true"] .bar { animation: tabbar var(--dur, 5s) linear forwards; }
.ls-panel.paused .ls-tabs button[aria-selected="true"] .bar { animation: none; transform: scaleX(1); }
.ls-details { min-height: 210px; }
.ls-desc { margin: 0 0 16px; font-size: 16.5px; line-height: 1.55; color: #d5d9e1; }
.ls-items { display: flex; flex-wrap: wrap; gap: 6px; }
.ls-items span { display: inline-flex; align-items: center; gap: 7px; padding: 7px 11px; border-radius: 4px; border: 1px solid var(--ln-d2); font-size: 13px; color: #d5d9e1; }
.ls-items .ic { width: 16px; height: 16px; color: var(--acc-hi); }
.ls-sub { margin-top: 14px; display: grid; gap: 8px; }
.ls-sub small { font: 400 11px/1 var(--fm); letter-spacing: .1em; text-transform: uppercase; color: var(--mu-d); }
.ls-sub div { display: flex; flex-wrap: wrap; gap: 6px; }
.ls-sub span { font: 400 12px/1 var(--fm); padding: 6px 9px; border-radius: 4px; border: 1px dashed var(--ln-d2); color: var(--mu-d); }
.ls-ops { margin-top: 40px; display: grid; grid-template-columns: 220px 1fr; gap: 24px; align-items: center; padding: 20px 24px; border-radius: var(--r); border: 1px solid var(--acc-line); background: linear-gradient(90deg, var(--acc-soft), transparent 60%); }
.ls-ops-h { display: grid; gap: 6px; }
.ls-ops-h b { font: 600 20px/1 var(--f); letter-spacing: -.02em; }
.ls-ops-h span { font: 400 12px/1 var(--fm); color: var(--mu-d); }
.ls-ops-items { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.ls-ops-items span { display: inline-flex; align-items: center; gap: 8px; font-size: 14.5px; color: #d5d9e1; }
.ls-ops-items .ic { width: 18px; height: 18px; color: var(--acc-hi); }

/* ontology explorer */

/* platform capabilities + home differentiators (no icon tiles) */
.caps4, .diff2 { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ln-d); }
.diff2 { border-color: var(--ln); }
.caps4 li, .diff2 article { padding: 26px 26px 6px 0; display: grid; gap: 12px; align-content: start; }
.caps4 li + li, .diff2 article + article { padding-left: 26px; border-left: 1px solid var(--ln-d); }
.diff2 article + article { border-color: var(--ln); }
.caps4 h3, .diff2 h3 { font-size: 22px; letter-spacing: -.025em; }
.caps4 p { margin: 0; color: var(--mu-d); font-size: 15px; }
.diff2 .tagline { margin: 0; color: var(--acc-lo); font-size: 15px; }
.d-row { display: grid; gap: 4px; padding-top: 12px; border-top: 1px dashed var(--ln); }
.d-row small { font: 400 11px/1 var(--fm); letter-spacing: .06em; text-transform: uppercase; color: var(--mu); }
.d-row p { margin: 0; font-size: 14.5px; line-height: 1.5; color: var(--mu); }
.d-row.us p { color: var(--tx); font-weight: 500; }
.pt-n { font: 400 11.5px/1 var(--fm); opacity: .6; }
.ticks li { grid-template-columns: 14px 1fr; }
.ticks li::before { content: ""; width: 6px; height: 6px; margin-top: 9px; border-radius: 1px; background: var(--acc); }

/* solution pages */
.uc-nav button span { font: 400 11.5px/1 var(--fm); margin-right: 8px; opacity: .6; }
.prob { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); column-gap: 40px; }
.prob li { display: grid; grid-template-columns: 64px 1fr; gap: 12px; padding: 22px 0; border-top: 1px solid var(--ln); }
.prob-n { font: 300 34px/1 var(--f); letter-spacing: -.04em; color: var(--acc-lo); font-variant-numeric: tabular-nums; }
.prob h4 { font-size: 17px; font-weight: 500; margin-bottom: 6px; letter-spacing: -.015em; }
.prob p { margin: 0; font-size: 15px; color: var(--mu); line-height: 1.55; }
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.bento.b4 { grid-template-columns: repeat(2, 1fr); }
.bento.b5 .bento-c:first-child, .bento.b7 .bento-c:first-child, .bento.b7 .bento-c:last-child { grid-column: span 2; }
.bento-c { background: var(--p1); border: 1px solid var(--ln); border-radius: var(--r); padding: 18px; display: grid; gap: 8px; align-content: start; color: var(--tx); transition: border-color .3s, transform .5s var(--ease-o), box-shadow .5s; }
.bento-c:hover { border-color: var(--acc-line); transform: translateY(-3px); box-shadow: 0 24px 48px -32px rgba(18, 20, 24, .35); }
.bento-v { height: 130px; margin-bottom: 8px; border-radius: 6px; background: var(--g0); display: grid; place-items: center; padding: 10px 14px; background-image: radial-gradient(circle, rgba(255, 255, 255, .06) 1px, transparent 1.3px); background-size: 16px 16px; }
.bento-c h4 { font-size: 18px; font-weight: 500; letter-spacing: -.02em; }
.bento-c p { margin: 0; font-size: 14.5px; color: var(--mu); line-height: 1.55; }
.v { width: 100%; height: 110px; overflow: visible; }
.v-merge rect { fill: var(--g1); stroke: var(--ln-d2); }
.v-merge .vm-src rect { opacity: 0; transition: opacity .4s; transition-delay: calc(var(--i) * .15s); }
.in .v-merge .vm-src rect { opacity: 1; }
.vm-l { fill: none; stroke: var(--acc); stroke-width: 1.5; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset .9s var(--ease-o); transition-delay: calc(.4s + var(--i) * .15s); }
.in .vm-l { stroke-dashoffset: 0; }
.v-merge .vm-gold { fill: var(--acc-soft); stroke: var(--acc); }
.vm-tick { fill: none; stroke: var(--acc-hi); stroke-width: 2.4; stroke-linecap: round; stroke-dasharray: 30; stroke-dashoffset: 30; transition: stroke-dashoffset .6s 1.2s; }
.in .vm-tick { stroke-dashoffset: 0; }
.v-graph line { stroke: var(--acc); stroke-opacity: .7; stroke-width: 1.4; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset .8s var(--ease-o); transition-delay: calc(.3s + var(--i) * .12s); }
.in .v-graph line { stroke-dashoffset: 0; }
.v-graph circle { fill: var(--g1); stroke: var(--acc-hi); stroke-width: 1.5; }
.v-graph circle.hub { fill: var(--acc); animation: breathe2 2.6s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
@keyframes breathe2 { 50% { transform: scale(1.25); } }
.v-alert rect { fill: var(--g1); stroke: var(--ln-d2); }
.v-alert g { opacity: 0; transform: translateY(8px); transition: opacity .5s, transform .5s var(--ease-o); transition-delay: calc(var(--i) * .25s); }
.in .v-alert g { opacity: 1; transform: none; }
.v-alert .ln { fill: rgba(255, 255, 255, .28); stroke: none; }
.v-alert .ln.s { fill: rgba(255, 255, 255, .12); }
.v-alert .crit { fill: #ff5a67; animation: blink 1.2s infinite; } .v-alert .high { fill: #ff9f43; } .v-alert .med { fill: var(--acc-hi); }
.v-line .grid { stroke: rgba(255, 255, 255, .08); fill: none; }
.v-line .hist { fill: none; stroke: #c8cdd7; stroke-width: 1.8; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1s .2s; }
.v-line .fc { fill: none; stroke: var(--acc-hi); stroke-width: 2; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1s 1.1s; }
.v-line .band { fill: var(--acc); fill-opacity: .14; opacity: 0; transition: opacity .8s 1.6s; }
.v-line circle { fill: var(--acc); }
.in .v-line .hist, .in .v-line .fc { stroke-dashoffset: 0; }
.in .v-line .band { opacity: 1; }
.v-rank text { font: 400 11px var(--fm); fill: var(--mu-d); }
.v-rank .tr { fill: rgba(255, 255, 255, .06); }
.v-rank .fl { fill: var(--acc); transform-box: fill-box; transform-origin: left; transform: scaleX(0); transition: transform .9s var(--ease-o); transition-delay: calc(var(--i) * .15s); }
.v-rank g:first-child .fl { fill: var(--acc-hi); }
.in .v-rank .fl { transform: none; }
.v-bars rect { fill: var(--acc); fill-opacity: .8; transform-box: fill-box; transform-origin: bottom; transform: scaleY(0); transition: transform .8s var(--ease-o); transition-delay: calc(var(--i) * .08s); }
.v-bars rect:last-of-type { fill: var(--acc-hi); fill-opacity: 1; }
.v-bars path { stroke: rgba(255, 255, 255, .2); }
.in .v-bars rect { transform: none; }
.dark-t { border-color: var(--ln-d); }
.dark-t .table { background: var(--g1); color: var(--tx-d); }
.dark-t .table th { background: var(--g2); color: var(--mu-d); border-color: var(--ln-d); }
.dark-t .table td { color: #c8cdd7; border-color: var(--ln-d); }
.dark-t .table td:first-child { color: var(--tx-d); }
.dark .block-head .num { color: var(--acc-hi); }
.dark .block-head h3 { color: var(--tx-d); }
.dark .fnode { background: var(--g1); border-color: var(--ln-d); color: var(--tx-d); }
.dark .fnode small { color: var(--mu-d); }
.dark .fnode i { background: transparent; border: 1px solid var(--ln-d2); color: var(--acc-hi); }
.dark .flow-col > h5 { color: var(--mu-d); }
.fnode i { background: transparent; border: 1px solid var(--ln); }
.wfl { position: relative; }
.wfl-track { height: 2px; background: var(--ln-d); margin-bottom: 26px; border-radius: 2px; overflow: hidden; }
.wfl-track i { display: block; height: 100%; width: var(--p, 0%); background: var(--acc); transition: width .9s var(--ease-o); }
.wfl-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.wfl-s { padding: 20px; border-radius: var(--r); border: 1px solid var(--ln-d); background: var(--g1); display: grid; gap: 8px; align-content: start; transition: border-color .4s, background .4s, transform .5s var(--ease-o); }
.wfl-dot { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font: 400 12px/1 var(--fm); border: 1px solid var(--ln-d2); color: var(--mu-d); transition: all .4s; }
.wfl-s b { font-size: 16.5px; font-weight: 500; }
.wfl-s p { margin: 0; font-size: 14px; color: var(--mu-d); line-height: 1.55; }
.wfl-s.done .wfl-dot { background: var(--acc-soft); border-color: var(--acc-line); color: var(--acc-hi); }
.wfl-s.lit { border-color: var(--acc); background: color-mix(in srgb, var(--acc) 9%, var(--g1)); transform: translateY(-4px); }
.wfl-s.lit .wfl-dot { background: var(--acc); border-color: var(--acc); color: var(--acc-ink); box-shadow: 0 0 0 6px var(--acc-soft); }
.wfl-out { margin-top: 12px; display: grid; grid-template-columns: 90px 1fr; gap: 16px; align-items: baseline; padding: 18px 20px; border-radius: var(--r); border: 1px solid var(--acc-line); background: var(--acc-soft); }
.wfl-out small { font: 400 11.5px/1 var(--fm); letter-spacing: .08em; text-transform: uppercase; color: var(--acc-hi); }
.wfl-out p { margin: 0; color: var(--tx-d); font-size: 15px; }
.kg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.kg-c { background: var(--p1); border: 1px solid var(--ln); border-radius: var(--r); padding: 20px; display: grid; grid-template-columns: 120px 1fr; gap: 6px 16px; align-items: center; color: var(--tx); }
.gauge { width: 120px; height: 70px; overflow: visible; }
.g-t { fill: none; stroke: #e6e6e0; stroke-width: 9; stroke-linecap: round; }
.g-f { fill: none; stroke: var(--acc); stroke-width: 9; stroke-linecap: round; stroke-dasharray: 100; stroke-dashoffset: 100; transition: stroke-dashoffset 1.4s var(--ease-o) .2s; }
.kg-c.in .g-f { stroke-dashoffset: calc(100 - var(--p)); }
.g-m { stroke: var(--tx); stroke-width: 2; stroke-linecap: round; transform-origin: 60px 62px; transform: rotate(-90deg); transition: transform 1.4s var(--ease-o) .2s; }
.kg-c.in .g-m { transform: rotate(var(--r)); }
.kg-t { display: grid; gap: 4px; }
.kg-t small { font: 400 11px/1 var(--fm); letter-spacing: .08em; text-transform: uppercase; color: var(--mu); }
.kg-t b { font: 500 20px/1.15 var(--f); letter-spacing: -.02em; color: var(--acc-lo); }
.kg-c h4 { grid-column: 1 / -1; font-size: 16px; font-weight: 500; margin-top: 10px; }
.kg-c p { grid-column: 1 / -1; margin: 0; font-size: 13.5px; color: var(--mu); line-height: 1.5; }
.feed { border-radius: var(--r); background: var(--g0); color: var(--tx-d); overflow: hidden; border: 1px solid var(--g2); }
.feed-h { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--ln-d); font: 400 12px/1 var(--fm); color: var(--mu-d); }
.feed-live { display: inline-flex; align-items: center; gap: 8px; color: var(--tx-d); }
.feed-live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ok); animation: ping 1.8s infinite; }
.feed-r { display: grid; grid-template-columns: 110px 1.4fr 1fr; gap: 18px; align-items: center; padding: 16px 18px; border-bottom: 1px solid var(--ln-d); opacity: 0; transform: translateY(10px); transition: opacity .5s, transform .6s var(--ease-o), background .3s; transition-delay: calc(var(--i) * .18s); }
.feed-r:last-child { border-bottom: 0; }
.feed-r:hover { background: var(--g1); }
.feed.in .feed-r { opacity: 1; transform: none; }
.feed-r b { font-weight: 500; font-size: 15px; }
.feed-r p { margin: 2px 0 0; font-size: 13.5px; color: var(--mu-d); }
.feed-a { font-size: 13.5px; color: #c8cdd7; }
.feed-a small { display: block; font: 400 10.5px/1 var(--fm); letter-spacing: .08em; text-transform: uppercase; color: var(--acc-hi); margin-bottom: 4px; }
.feed .sev { justify-self: start; display: inline-flex; align-items: center; gap: 6px; font: 500 11px/1 var(--fm); letter-spacing: .08em; text-transform: uppercase; padding: 6px 9px; border-radius: 4px; }
.feed .sev.critical { background: rgba(220, 53, 69, .18); color: #ff8a95; }
.feed .sev.high { background: rgba(255, 159, 67, .16); color: #ffb86b; }
.feed .sev.medium { background: var(--acc-soft); color: var(--acc-hi); }
.feed .sev.low, .feed .sev.info { background: rgba(255, 255, 255, .06); color: var(--mu-d); }
.roi-rows { border-top: 1px solid var(--ln); }
.roi-r { display: grid; grid-template-columns: 1fr 1.3fr 1.2fr; gap: 24px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--ln); color: var(--tx); }
.roi-m { font-size: 15.5px; font-weight: 500; }
.roi-bars { display: grid; gap: 6px; }
.rb { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; }
.rb i { display: block; height: 8px; border-radius: 4px; width: 0; transition: width 1.2s var(--ease-o); }
.rb.before i { background: #cfcfc8; }
.rb.after i { background: var(--acc); transition-delay: .25s; }
.roi-r.in .rb i { width: var(--w); }
.rb span { font: 400 12.5px/1 var(--fm); color: var(--mu); white-space: nowrap; min-width: 92px; }
.rb.after span { color: var(--acc-lo); font-weight: 500; }
.rb-text { display: flex; gap: 10px; align-items: baseline; font: 400 13.5px/1.4 var(--fm); }
.rb-text .b { color: var(--mu); } .rb-text .a { color: var(--acc-lo); font-weight: 500; } .rb-text .arr { color: var(--mu); }
.roi-i { font-size: 14px; color: var(--tx2); line-height: 1.5; }
.notes2 { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); column-gap: 40px; }
.notes2 li { display: grid; grid-template-columns: 44px 1fr; gap: 10px; padding: 16px 0; border-top: 1px solid var(--ln); }
.notes2 span { font: 400 12.5px/1.6 var(--fm); color: var(--acc-lo); }
.notes2 p { margin: 0; font-size: 15px; color: var(--tx2); line-height: 1.55; }

/* case studies */
.chal { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--ln-d); border: 1px solid var(--ln-d); border-radius: var(--r); overflow: hidden; }
.chal li { background: var(--g0); padding: 28px; display: grid; gap: 10px; align-content: start; transition: background .3s; }
.chal li:hover { background: var(--g1); }
.chal strong { font: 300 clamp(32px, 3vw, 44px)/1 var(--f); letter-spacing: -.045em; color: #ff8a95; font-variant-numeric: tabular-nums; margin: 6px 0 4px; }
.chal strong.ph { display: none; }
.chal h3 { font-size: 19px; letter-spacing: -.02em; }
.chal p { margin: 0; font-size: 14.5px; color: var(--mu-d); line-height: 1.55; }
.sol2 { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); column-gap: 32px; }
.sol2 li { padding: 24px 0; border-top: 2px solid var(--ln2); display: grid; gap: 10px; align-content: start; position: relative; }
.sol2 li::before { content: ""; position: absolute; top: -2px; left: 0; height: 2px; width: 0; background: var(--acc); transition: width 1s var(--ease-o) .3s; }
.sol2 li.in::before { width: 100%; }
.sol2 .num { color: var(--acc-lo); }
.sol2 h3 { font-size: 19px; letter-spacing: -.02em; }
.sol2 p { margin: 0; font-size: 15px; color: var(--mu); line-height: 1.55; }

/* about */
.about-hero .h1 { font-size: clamp(40px, 5.4vw, 76px); }
.manifesto { margin: 22px 0 0; font: 400 clamp(28px, 3.6vw, 54px)/1.18 var(--f); letter-spacing: -.035em; color: var(--tx); max-width: 1100px; }
.manifesto em { color: var(--acc-lo); }
.principles { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); column-gap: 56px; }
.principles li { display: grid; grid-template-columns: 80px 1fr; grid-template-rows: auto auto; column-gap: 8px; padding: 30px 0; border-top: 1px solid var(--ln); }
.principles span { grid-row: 1 / 3; font: 300 44px/1 var(--f); letter-spacing: -.05em; color: var(--acc-lo); }
.principles h3 { font-size: 24px; letter-spacing: -.025em; }
.principles p { margin: 8px 0 0; font-size: 16px; color: var(--mu); line-height: 1.55; }
.tl { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); position: relative; }
.tl::before { content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 1px; background: var(--ln-d2); }
.tl::after { content: ""; position: absolute; left: 0; top: 7px; height: 1px; width: 0; background: var(--acc); transition: width 2.2s var(--ease-o) .2s; }
.tl.in::after { width: 100%; }
.tl li { position: relative; padding: 36px 28px 0 0; display: grid; gap: 10px; align-content: start; }
.tl-dot { position: absolute; top: 0; left: 0; width: 15px; height: 15px; border-radius: 50%; background: var(--g0); border: 1px solid var(--ln-d2); transition: background .4s, border-color .4s, box-shadow .4s; transition-delay: calc(.3s + var(--i) * .5s); }
.tl.in .tl-dot { background: var(--acc); border-color: var(--acc); box-shadow: 0 0 0 6px var(--acc-soft); }
.tl h3 { font-size: 22px; letter-spacing: -.025em; }
.tl p { margin: 0; font-size: 15px; color: var(--mu-d); }
.mosaic { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 260px; gap: 12px; grid-auto-flow: dense; }
.mo { position: relative; border-radius: var(--r); overflow: hidden; display: block; background: var(--g2); }
.mo img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease-o), filter .5s; filter: saturate(.85) brightness(.8); }
.mo:hover img { transform: scale(1.06); filter: saturate(1) brightness(.9); }
.mo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(13, 14, 17, .8), transparent 55%); }
.mo span { position: absolute; z-index: 1; left: 18px; bottom: 16px; right: 18px; display: flex; justify-content: space-between; align-items: center; color: #fff; font-size: 20px; font-weight: 500; letter-spacing: -.02em; }
.mo span .ic { width: 20px; height: 20px; transition: transform .4s var(--ease-o); }
.mo:hover span .ic { transform: translate(3px, -3px); }
.mo0, .mo3, .mo4 { grid-column: span 2; }

/* contact */
.contact3 { display: grid; grid-template-columns: 1fr 1fr; min-height: 100svh; }
.c3-left { position: relative; overflow: hidden; isolation: isolate; padding: 150px clamp(24px, 5vw, 80px) 72px; display: grid; align-content: start; }
.c3-left::before { content: ""; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(30deg, var(--ln-d) 1px, transparent 1px), linear-gradient(150deg, var(--ln-d) 1px, transparent 1px); background-size: 56px 32px; mask-image: radial-gradient(ellipse 80% 70% at 30% 70%, #000, transparent 80%); opacity: .7; }
.c3-inner { max-width: 560px; display: grid; gap: 24px; justify-self: end; width: 100%; }
.eyebrow-b { font: 400 13.5px/1 var(--fm); color: var(--acc-hi); }
.next3 { list-style: none; margin: 8px 0 0; padding: 0; display: grid; border-top: 1px solid var(--ln-d); }
.next3 li { display: grid; grid-template-columns: 44px 1fr; gap: 10px; padding: 18px 0; border-bottom: 1px solid var(--ln-d); }
.next3 span { font: 400 12.5px/1.6 var(--fm); color: var(--acc-hi); }
.next3 b { font-weight: 500; font-size: 16px; }
.next3 p { margin: 4px 0 0; font-size: 14.5px; color: var(--mu-d); }
.c3-right { background: var(--p0); color: var(--tx); padding: 150px clamp(24px, 5vw, 80px) 72px; display: grid; align-content: start; }
.c3-form { max-width: 560px; width: 100%; background: var(--p1); border: 1px solid var(--ln); border-radius: var(--r-l); padding: clamp(24px, 3vw, 36px); box-shadow: 0 40px 80px -50px rgba(18, 20, 24, .35); }
.topic-pills { border: 0; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.topic-pills legend { width: 100%; margin-bottom: 10px; font-size: 13.5px; font-weight: 500; color: var(--tx2); padding: 0; }
.topic-pills label { position: relative; cursor: pointer; }
.topic-pills input { position: absolute; opacity: 0; pointer-events: none; }
.topic-pills span { display: inline-flex; padding: 9px 14px; border-radius: 999px; border: 1px solid var(--ln2); font-size: 14px; color: var(--tx2); transition: all .25s var(--ease); }
.topic-pills label:hover span { border-color: var(--tx); }
.topic-pills input:checked + span { background: var(--tx); color: var(--p1); border-color: var(--tx); }
.topic-pills input:focus-visible + span { outline: 2px solid var(--acc); outline-offset: 2px; }
.opt { font-weight: 400; color: var(--mu); font-size: 12px; margin-left: 6px; }
.c3-form .btn { justify-self: start; }
.c3-done { padding: 16px 18px; border-radius: var(--r); background: color-mix(in srgb, var(--acc) 9%, #fff); border: 1px solid var(--acc-line); animation: panelIn .5s var(--ease-o); }
.c3-done[hidden] { display: none; }
.c3-done b { display: block; font-weight: 600; margin-bottom: 4px; }
.c3-done p { margin: 0; font-size: 14px; color: var(--tx2); }
.c3-done a { color: var(--acc-lo); text-decoration: underline; }

@media (max-width: 1100px) {
  .cs-story { grid-template-columns: 1fr; }
  .cs-side { position: static; }
  .cs-index { display: none; }
  .ls { grid-template-columns: 1fr; }
  .ls-visual { height: 460px; }
  .caps4, .diff2 { grid-template-columns: repeat(2, 1fr); }
  .caps4 li:nth-child(3), .diff2 article:nth-child(3) { padding-left: 0; border-left: 0; }
  .bento, .bento.b4 { grid-template-columns: repeat(2, 1fr); }
  .bento .bento-c { grid-column: auto !important; }
  .kg { grid-template-columns: repeat(2, 1fr); }
  .chal, .sol2 { grid-template-columns: repeat(2, 1fr); }
  .contact3 { grid-template-columns: 1fr; }
  .c3-left { padding-top: 120px; }
  .c3-right { padding-top: 48px; }
  .c3-inner { justify-self: start; }
  .intro-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 860px) {
  .hero3 { height: auto; min-height: 0; padding-top: 76px; }
  .hero3-stage { padding: 12px 0 0; display: block; }
  .proof { grid-template-columns: repeat(2, 1fr); }
  .proof > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .proof > div:nth-child(n+3) { margin-top: 20px; }
  .prob, .notes2, .principles { grid-template-columns: 1fr; }
  .cs-ba { grid-template-columns: 1fr; }
  .cs-ba > div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--ln); margin-top: 14px; }
  .ls-visual { height: 380px; transform: scale(.78); transform-origin: top center; margin-bottom: -60px; }
  .ls-ops { grid-template-columns: 1fr; }
  .wfl-steps { grid-template-columns: 1fr; }
  .roi-r { grid-template-columns: 1fr; gap: 10px; }
  .feed-r { grid-template-columns: 1fr; gap: 8px; }
  .tl { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .tl::before, .tl::after { display: none; }
  .tl-dot { background: var(--acc) !important; }
  .mosaic { grid-template-columns: 1fr 1fr; grid-auto-rows: 200px; }
  .mo0, .mo3, .mo4 { grid-column: auto; }
  .mo0 { grid-column: span 2; }
  .mo5 { grid-column: span 2; }
}
@media (max-width: 600px) {
  .caps4, .diff2, .bento, .bento.b4, .kg, .chal, .sol2, .tl, .mosaic { grid-template-columns: 1fr; }
  .caps4 li + li, .diff2 article + article { padding-left: 0; border-left: 0; }
  .mo0, .mo3, .mo4 { grid-column: auto; }
  .kg-c { grid-template-columns: 1fr; }
  .ls-visual { height: 320px; transform: scale(.62); margin-bottom: -120px; }
}

/* contact page: solid header over the split layout */
body:has(.contact3) .site-header { background: var(--g0); border-color: var(--ln-d); }
.js .contact3 [data-reveal] { opacity: 1; transform: none; transition: none; animation: heroIn 1s var(--ease-o) both; animation-delay: calc(var(--d, 0) * 90ms + 100ms); }

/* ---------- v4 hero: larger, more readable diagram, no background mesh ---------- */
.hero3 { background: radial-gradient(ellipse 70% 60% at 55% 55%, color-mix(in srgb, var(--acc) 8%, var(--g0)), var(--g0) 70%); }
.hero3::after { display: none; }
.hero3-stage { padding: 4px 16px 0; }
.hero3-foot { position: absolute; left: 0; right: 0; bottom: 10px; padding: 0; z-index: 2; pointer-events: none; }
.hero3-foot > * { pointer-events: auto; }
.hero3-foot .scroll-cue { display: none; }
.hc-xl .hc-panel { padding: 16px 18px; gap: 12px; border-radius: 12px; }
.hc-xl .hc-panel header span { font-size: 13.5px; gap: 10px; }
.hc-xl .hc-panel header .ic { width: 20px; height: 20px; }
.hc-xl .hc-panel header em { font-size: 12px; }
.hc-xl .kpis small { font-size: 12.5px; }
.hc-xl .kpis b { font-size: 25px; }
.hc-xl .kpis i { font-size: 12px; }
.hc-xl .kpis i .ic { width: 13px; height: 13px; }
.hc-xl .spark { height: 44px; }
.hc-xl .wf .n .ic { width: 38px; height: 38px; padding: 9px; }
.hc-xl .wf .n small { font-size: 12px; }
.hc-xl .steps-run { font-size: 13.5px; gap: 6px; }
.hc-xl .steps-run li::before { width: 12px; height: 12px; }
.hc-xl .apps { gap: 8px; }
.hc-xl .apps span { padding: 10px 4px; gap: 6px; }
.hc-xl .apps .ic { width: 22px; height: 22px; }
.hc-xl .apps small { font-size: 12px; }
.hc-xl .hc-agents { gap: 9px; }
.hc-xl .hc-agents span { width: 34px; height: 34px; }
.hc-xl .hc-agents .ic { width: 18px; height: 18px; }
.hc-xl .hc-label { font-size: 13.5px; }
.hc-xl .hc-chips { gap: 10px; }
.hc-xl .hc-chip { height: 42px; padding: 0 16px; font-size: 16px; gap: 9px; border-radius: 8px; }
.hc-xl .hc-chip .ic { width: 19px; height: 19px; }
.hc-xl .hc-core { padding: 16px 44px 16px 20px; column-gap: 18px; border-radius: 12px; }
.hc-xl .core-cube { width: 54px; height: 54px; border-radius: 10px; }
.hc-xl .core-cube .ic { width: 30px; height: 30px; }
.hc-xl .hc-core b { font-size: 30px; }
.hc-xl .hc-core small { font-size: 14px; }
.hc-xl .hc-group .tiles { gap: 4px 6px; padding: 8px 10px; border-radius: 12px; }
.hc-xl .hc-group .tiles span { gap: 5px; padding: 6px 2px; }
.hc-xl .hc-group .tiles .ic { width: 36px; height: 36px; padding: 7px; }
.hc-xl .hc-group .tiles small { font-size: 12.5px; color: #d5d9e1; }
.hc-xl .hc-group h5 { font-size: 14.5px; }
.hc-xl .orbit { width: 320px; height: 370px; margin: 0 -18px; }
.hc-xl .orbit-ring { transform-origin: 160px 186px; }
.hc-xl .orbit-core .ic { width: 52px; height: 52px; padding: 12px; }
.hc-xl .orbit-core b { font-size: 15px; margin-top: 4px; }
.hc-xl .sat { width: 104px; transform: translate(-50%, -16px); }
.hc-xl .sat i { width: 34px; height: 34px; }
.hc-xl .sat .ic { width: 17px; height: 17px; }
.hc-xl .sat span { font-size: 12px; color: #d5d9e1; }
.hc-xl .hc-rail { border-radius: 65px; padding-top: 180px; gap: 16px; }
.hc-xl .rail-bars i { width: 56px; height: 11px; }
.hc-xl .hc-rail strong { font-size: 38px; }
.hc-xl .hc-rail span { font-size: 13px; }
.hc-xl .hotspot, .hc-xl .hs-btn { width: 40px; height: 40px; }
.hc-xl .hs-btn .ic { width: 15px; height: 15px; }
.hc-xl .hs-label { font-size: 13.5px; padding: 7px 11px; }
.hc-xl .plane-grid line { stroke-opacity: .12; }

/* contact form: error state, hidden spam trap, sending state */
.c3-done.err { background: color-mix(in srgb, #d92d20 8%, #fff); border-color: color-mix(in srgb, #d92d20 40%, transparent); }
.c3-done.err a { color: #b42318; }
.c3-form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.c3-form .btn[disabled] { opacity: .65; cursor: progress; }