/* NexusAI v4 — challenge diagrams, realistic capability visuals, KPI target tiles. Loaded after v3.css. */

/* ---------- capability screens (bento v2) ---------- */
.bento2 .bento-c { padding: 14px 14px 20px; }
.bento2 .bento-c > .num, .bento2 .bento-c > h4, .bento2 .bento-c > p { padding: 0 6px; }
.bento-v2 { margin-bottom: 10px; border-radius: 8px; background: var(--g0); padding: 14px; min-height: 196px; display: grid; align-content: center; background-image: radial-gradient(circle, rgba(255, 255, 255, .05) 1px, transparent 1.3px); background-size: 16px 16px; overflow: hidden; }
.ui { color: #e3e6ec; font-size: 13px; display: grid; gap: 10px; width: 100%; }
.ui small { display: block; font-size: 11.5px; color: var(--mu-d); line-height: 1.35; }
.ui b { font-weight: 500; font-size: 13.5px; color: #eceef2; }
.ui .ic { width: 14px; height: 14px; }
.av { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; border: 2px solid var(--g1); box-shadow: 0 0 0 1px var(--ln-d2); flex: none; }
.ui-row { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; }
.avw { position: relative; display: inline-block; }
.avw .av { width: 42px; height: 42px; }
.dot { position: absolute; right: 0; bottom: 1px; width: 10px; height: 10px; border-radius: 50%; border: 2px solid var(--g0); }
.dot.ok { background: var(--ok); }
.pill { display: inline-flex; align-items: center; gap: 5px; padding: 5px 8px; border-radius: 999px; font: 500 11px/1 var(--fm); background: var(--acc-soft); color: var(--acc-hi); border: 1px solid var(--acc-line); white-space: nowrap; }
.pill.ok { background: rgba(34, 160, 107, .14); color: #5fd39e; border-color: rgba(34, 160, 107, .4); }
.ui .chips { justify-content: flex-start; gap: 6px; }
.src { display: inline-flex; align-items: center; gap: 5px; padding: 5px 8px; border-radius: 4px; background: var(--g1); border: 1px solid var(--ln-d2); font: 400 11px/1 var(--fm); color: #d5d9e1; opacity: 0; transform: translateY(4px); transition: opacity .4s, transform .5s var(--ease-o); }
.src .ic { width: 12px; height: 12px; color: #5fd39e; }
.in .src { opacity: 1; transform: none; }
.in .src:nth-child(2) { transition-delay: .15s; } .in .src:nth-child(3) { transition-delay: .3s; } .in .src:nth-child(4) { transition-delay: .45s; }
.mets { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.mets > div { padding: 8px; border-radius: 6px; background: var(--g1); border: 1px solid var(--ln-d); }
.mets b { display: block; margin-top: 3px; color: var(--acc-hi); font-size: 13px; }
.ui-people, .ui-ents { position: relative; height: 196px; display: block; }
.ui-people > svg, .ui-ents > svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.ui-people line, .ui-ents line { stroke: var(--acc); stroke-opacity: .7; stroke-width: 1.4; stroke-dasharray: 200; stroke-dashoffset: 200; transition: stroke-dashoffset 1s var(--ease-o); transition-delay: calc(.3s + var(--i) * .12s); }
.in .ui-people line, .in .ui-ents line { stroke-dashoffset: 0; }
.pn, .en { position: absolute; transform: translate(-50%, -50%); display: grid; justify-items: center; gap: 4px; z-index: 1; opacity: 0; transition: opacity .5s; transition-delay: calc(.2s + var(--i, 0) * .12s); }
.in .pn, .in .en { opacity: 1; }
.pn small, .en small { font: 400 10.5px/1 var(--fm); color: #d5d9e1; background: var(--g0); padding: 2px 5px; border-radius: 3px; white-space: nowrap; }
.pn.center .av { width: 52px; height: 52px; border: 2px solid var(--acc); box-shadow: 0 0 0 5px var(--acc-soft); }
.tag-h { position: absolute; left: 0; bottom: 0; font: 400 10.5px/1 var(--fm); color: var(--mu-d); }
.en > .ic { width: 34px; height: 34px; padding: 8px; border-radius: 8px; background: var(--g1); border: 1px solid var(--acc-line); color: var(--acc-hi); }
.en.hub > .ic { width: 42px; height: 42px; padding: 10px; background: var(--acc); color: var(--acc-ink); border-color: var(--acc); }
.ui-journey ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); position: relative; }
.ui-journey ol::before { content: ""; position: absolute; left: 10%; right: 10%; top: 15px; height: 1px; background: var(--ln-d2); }
.ui-journey li { display: grid; justify-items: center; gap: 4px; text-align: center; position: relative; opacity: 0; transition: opacity .4s; transition-delay: calc(.2s + var(--i) * .15s); }
.in .ui-journey li { opacity: 1; }
.ui-journey li > span { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--g1); border: 1px solid var(--ln-d2); color: #c8cdd7; }
.ui-journey li.warn > span { border-color: #ffb86b; color: #ffb86b; }
.ui-journey li.ok > span { background: var(--ok); border-color: var(--ok); color: #fff; }
.ui-journey li b { font-size: 11px; line-height: 1.2; }
.ui-journey li small { font-size: 10px; }
.ui-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.ui-top small { font: 400 11px/1 var(--fm); }
.live { display: inline-flex; align-items: center; gap: 7px; font: 500 11.5px/1 var(--fm); color: #e3e6ec; }
.live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ok); animation: ping 1.8s infinite; }
.al { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; padding: 9px 10px; border-radius: 6px; background: var(--g1); border: 1px solid var(--ln-d); opacity: 0; transform: translateY(6px); transition: opacity .4s, transform .5s var(--ease-o); transition-delay: calc(.2s + var(--i) * .2s); }
.in .al { opacity: 1; transform: none; }
.al .av { width: 26px; height: 26px; }
.al b { font-size: 12.5px; }
.ui .sev { display: inline-flex; align-items: center; gap: 5px; font: 500 10px/1 var(--fm); letter-spacing: .06em; text-transform: uppercase; padding: 5px 7px; border-radius: 4px; }
.ui .sev::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.ui .sev.critical { background: rgba(220, 53, 69, .2); color: #ff8a95; }
.ui .sev.high { background: rgba(255, 159, 67, .18); color: #ffb86b; }
.ui .sev.medium { background: var(--acc-soft); color: var(--acc-hi); }
.ui .sev.low, .ui .sev.info { background: rgba(255, 255, 255, .07); color: var(--mu-d); }
.ui-fc svg { width: 100%; height: 110px; overflow: visible; }
.ui-fc .gr path { stroke: rgba(255, 255, 255, .07); fill: none; }
.ui-fc .band { fill: var(--acc); fill-opacity: .14; opacity: 0; transition: opacity .8s 1.4s; }
.ui-fc .act { fill: none; stroke: #c8cdd7; stroke-width: 2; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1s .2s; }
.ui-fc .prd { fill: none; stroke: var(--acc-hi); stroke-width: 2.2; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1s 1.1s; }
.ui-fc .now { stroke: rgba(255, 255, 255, .25); stroke-dasharray: 3 3; }
.ui-fc circle { fill: var(--acc); }
.in .ui-fc .act, .in .ui-fc .prd { stroke-dashoffset: 0; }
.in .ui-fc .band { opacity: 1; }
.lg { display: inline-flex; align-items: center; gap: 6px; font: 400 10.5px/1 var(--fm); color: var(--mu-d); }
.lg i { width: 12px; height: 2px; display: inline-block; }
.lg i.a { background: #c8cdd7; } .lg i.p { background: var(--acc-hi); margin-left: 6px; }
.ui-foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.ac { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; padding: 8px 10px; border-radius: 6px; background: var(--g1); border: 1px solid var(--ln-d); opacity: 0; transform: translateX(8px); transition: opacity .4s, transform .5s var(--ease-o); transition-delay: calc(.2s + var(--i) * .2s); }
.in .ac { opacity: 1; transform: none; }
.ac .av { width: 28px; height: 28px; }
.ac b { display: block; font-size: 12.5px; line-height: 1.3; }
.cf { display: block; height: 4px; border-radius: 2px; background: rgba(255, 255, 255, .08); margin-top: 6px; overflow: hidden; }
.cf i { display: block; height: 100%; width: 0; background: var(--acc); transition: width 1s var(--ease-o); transition-delay: calc(.5s + var(--i) * .2s); }
.in .cf i { width: var(--w); }
.ac button { font: 500 11px/1 var(--f); padding: 6px 9px; border-radius: 4px; border: 0; background: var(--acc); color: var(--acc-ink); pointer-events: none; }
.kb { display: grid; grid-template-columns: 1fr 1.1fr auto; gap: 10px; align-items: center; }
.kb small { font-size: 11.5px; color: #c8cdd7; }
.kb .tr { position: relative; height: 6px; border-radius: 3px; background: rgba(255, 255, 255, .08); }
.kb .tr i { position: absolute; left: 0; top: 0; bottom: 0; width: 0; border-radius: 3px; background: var(--acc); transition: width 1s var(--ease-o); transition-delay: calc(.2s + var(--i) * .15s); }
.in .kb .tr i { width: var(--w); }
.kb .tr em { position: absolute; right: 8%; top: -3px; width: 2px; height: 12px; background: #fff; opacity: .7; }
.kb b { font: 500 12px/1 var(--fm); color: var(--acc-hi); }

.th, .fu { display: grid; grid-template-columns: 118px 1fr 38px 16px; gap: 8px; align-items: center; font-size: 12px; color: #c8cdd7; }
.fu { grid-template-columns: 118px 1fr 38px; }
.th .tr, .fu .bar { height: 7px; border-radius: 4px; background: rgba(255, 255, 255, .08); overflow: hidden; }
.th .tr i, .fu .bar i { display: block; height: 100%; width: 0; border-radius: 4px; background: var(--acc); transition: width 1s var(--ease-o); transition-delay: calc(.2s + var(--i) * .15s); }
.in .th .tr i, .in .fu .bar i { width: var(--w); }
.th b, .fu b { font: 500 11.5px/1 var(--fm); color: #e3e6ec; text-align: right; }
.th em { display: grid; place-items: center; }
.th em .ic { width: 13px; height: 13px; }
.th em.up { color: #ff8a95; } .th em.down { color: #5fd39e; }
.fu.drop span:first-child { color: #ffb86b; }
.fu.drop .bar i { background: #ffb86b; }
.pill.warn { background: rgba(255, 159, 67, .14); color: #ffb86b; border-color: rgba(255, 159, 67, .4); }
.ui-themes .pill, .ui-funnel .pill { justify-self: start; }

/* ---------- KPI & target tiles ---------- */
.kt { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.kt-c { background: var(--p1); border: 1px solid var(--ln); border-radius: var(--r); padding: 20px 20px 0; display: grid; gap: 8px; align-content: start; color: var(--tx); overflow: hidden; transition: border-color .3s, box-shadow .5s, transform .5s var(--ease-o); }
.kt-c:hover { border-color: var(--acc-line); transform: translateY(-3px); box-shadow: 0 24px 48px -32px rgba(18, 20, 24, .35); }
.kt-top { display: flex; justify-content: space-between; align-items: center; }
.kt-top .num { color: var(--acc-lo); }
.kt-pill { font: 400 10.5px/1 var(--fm); letter-spacing: .04em; color: var(--mu); padding: 5px 8px; border-radius: 999px; border: 1px solid var(--ln); }
.kt-v { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; margin: 6px 0 2px; }
.kt-v strong { font: 300 46px/1 var(--f); letter-spacing: -.05em; color: var(--tx); font-variant-numeric: tabular-nums; }
.kt-v.txt strong { font-size: 30px; letter-spacing: -.03em; }
.kt-op { font: 300 30px/1 var(--f); color: var(--acc-lo); }
.kt-pre, .kt-u { font-size: 15px; color: var(--mu); }
.kt-c h4 { font-size: 16.5px; font-weight: 500; letter-spacing: -.015em; }
.kt-c p { margin: 0; font-size: 13.5px; color: var(--mu); line-height: 1.5; }
.kt-ch { width: calc(100% + 40px); height: 64px; margin: 10px -20px 0; overflow: visible; background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--acc) 5%, transparent)); }
.kt-tl { stroke: var(--acc-lo); stroke-dasharray: 4 4; stroke-opacity: .6; }
.kt-ch text { font: 400 9px var(--fm); fill: var(--acc-lo); letter-spacing: .1em; }
.kt-l { fill: none; stroke: var(--acc); stroke-width: 2.2; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.4s var(--ease-o) .2s; }
.kt-c.in .kt-l { stroke-dashoffset: 0; }
.kt-ch circle { fill: var(--acc); opacity: 0; transition: opacity .4s 1.4s; }
.kt-c.in .kt-ch circle { opacity: 1; }
@media (max-width: 1100px) { .kt { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .kt { grid-template-columns: 1fr; } .mets { grid-template-columns: 1fr 1fr; } }

/* ---------- challenge diagrams ---------- */
.cs-art { padding: clamp(18px, 2.6vw, 28px); }
.cd { display: grid; grid-template-columns: 1fr 44px 1fr; gap: 8px; align-items: stretch; }
.cd-col { display: grid; grid-template-rows: auto 1fr auto; gap: 14px; padding: 16px; border-radius: 10px; border: 1px solid var(--ln-d2); background: rgba(255, 255, 255, .025); min-width: 0; }
.cd-col.after { border-color: var(--acc-line); background: color-mix(in srgb, var(--acc) 7%, transparent); }
.cd-h { display: inline-flex; align-items: center; gap: 8px; font: 500 12px/1 var(--fm); letter-spacing: .08em; text-transform: uppercase; color: #ff8a95; }
.cd-h .ic { width: 16px; height: 16px; }
.after .cd-h { color: var(--acc-hi); }
.cd-f { font-size: 13px; color: var(--mu-d); line-height: 1.4; padding-top: 10px; border-top: 1px solid var(--ln-d); }
.after .cd-f { color: #d5d9e1; border-color: var(--acc-line); }
.cd-arrow { display: grid; place-items: center; position: relative; color: var(--acc-hi); }
.cd-arrow .ic { width: 26px; height: 26px; position: relative; z-index: 1; background: var(--g0); border-radius: 50%; padding: 3px; transform: translateX(-8px); opacity: 0; transition: transform .6s var(--ease-o) .5s, opacity .4s .5s; }
.cd-arrow i { position: absolute; left: 4px; right: 4px; top: 50%; height: 1px; background: linear-gradient(90deg, var(--ln-d2), var(--acc)); }
.cs-panel.in .cd-arrow .ic { transform: none; opacity: 1; }
.cd-grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; align-content: center; }
.cd-sys { position: relative; display: grid; justify-items: center; gap: 6px; padding: 12px 4px; border-radius: 8px; border: 1px dashed rgba(255, 107, 120, .45); background: var(--g1); }
.cd-sys > .ic { width: 22px; height: 22px; color: #c8cdd7; }
.cd-sys small, .cd-sat small, .cd-ent small { font: 400 11.5px/1.1 var(--fm); color: #d5d9e1; text-align: center; white-space: nowrap; }
.cd-sys em { position: absolute; top: -7px; right: -7px; width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; background: #3a1a1f; color: #ff8a95; border: 1px solid rgba(255, 107, 120, .5); }
.cd-sys em .ic { width: 10px; height: 10px; }
.cd-hub, .cd-graph { position: relative; min-height: 230px; }
.cd-hub > svg, .cd-graph > svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.cd-hub line, .cd-graph line { stroke: var(--acc); stroke-width: 1.5; stroke-dasharray: 220; stroke-dashoffset: 220; transition: stroke-dashoffset 1s var(--ease-o); transition-delay: calc(.6s + var(--i) * .1s); }
.cs-panel.in .cd-hub line, .cs-panel.in .cd-graph line { stroke-dashoffset: 0; }
.cd-core { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: grid; justify-items: center; gap: 4px; padding: 10px 14px; border-radius: 10px; background: var(--acc); color: var(--acc-ink); z-index: 1; box-shadow: 0 0 0 6px var(--acc-soft); }
.cd-core .ic { width: 22px; height: 22px; }
.cd-core b { font: 600 12px/1 var(--f); letter-spacing: .04em; }
.cd-sat, .cd-ent { position: absolute; transform: translate(-50%, -50%); display: grid; justify-items: center; gap: 4px; z-index: 1; opacity: 0; transition: opacity .5s; transition-delay: calc(.4s + var(--i) * .1s); }
.cs-panel.in .cd-sat, .cs-panel.in .cd-ent { opacity: 1; }
.cd-sat > .ic { width: 36px; height: 36px; padding: 8px; border-radius: 50%; background: var(--g1); border: 1px solid var(--acc-line); color: var(--acc-hi); }
.cd-ent > .ic { width: 44px; height: 44px; padding: 10px; border-radius: 10px; background: var(--g1); border: 1px solid var(--acc-line); color: var(--acc-hi); }
.cd-rel { position: absolute; transform: translate(-50%, -50%); font: 400 10.5px/1 var(--fm); color: var(--acc-hi); background: var(--g0); padding: 3px 6px; border-radius: 3px; border: 1px solid var(--acc-line); opacity: 0; transition: opacity .5s; transition-delay: calc(1.1s + var(--i) * .15s); white-space: nowrap; z-index: 1; }
.cs-panel.in .cd-rel { opacity: 1; }
.cd-flow { list-style: none; margin: 0; padding: 0; display: grid; align-content: center; }
.cd-step { display: grid; grid-template-columns: 30px 1fr; gap: 10px; align-items: start; position: relative; padding-bottom: 10px; }
.cd-step:not(:last-child)::before { content: ""; position: absolute; left: 14px; top: 30px; bottom: 0; width: 1px; background: var(--ln-d2); }
.cd-dot { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--ln-d2); background: var(--g1); color: #c8cdd7; }
.cd-dot .ic { width: 15px; height: 15px; }
.cd-step b { display: block; font-size: 14px; font-weight: 500; color: #e3e6ec; padding-top: 5px; }
.cd-step small { display: block; font-size: 12px; color: var(--mu-d); margin-top: 2px; }
.cd-step.ok .cd-dot { border-color: rgba(34, 160, 107, .6); color: #5fd39e; }
.cd-step.bad .cd-dot { border-color: #ff6b78; background: #3a1a1f; color: #ff8a95; }
.cd-step.bad b { color: #ff8a95; }
.cd-step.off { opacity: .35; }
.cd-step.agent .cd-dot { background: var(--acc); border-color: var(--acc); color: var(--acc-ink); box-shadow: 0 0 0 5px var(--acc-soft); }
.cd-step.agent b { color: var(--acc-hi); }
.after .cd-step { opacity: 0; transform: translateY(6px); transition: opacity .4s, transform .5s var(--ease-o); }
.after .cd-step:nth-child(1) { transition-delay: .5s; } .after .cd-step:nth-child(2) { transition-delay: .7s; } .after .cd-step:nth-child(3) { transition-delay: .9s; } .after .cd-step:nth-child(4) { transition-delay: 1.1s; } .after .cd-step:nth-child(5) { transition-delay: 1.3s; }
.cs-panel.in .after .cd-step { opacity: 1; transform: none; }
.cd-table { width: 100%; border-collapse: collapse; font: 400 12.5px/1 var(--fm); color: #8f96a3; align-self: center; }
.cd-table th { text-align: left; padding: 8px 6px; color: var(--mu-d); font-weight: 400; border-bottom: 1px solid var(--ln-d2); }
.cd-table td { padding: 8px 6px; border-bottom: 1px solid var(--ln-d); }
.cd-report { display: grid; gap: 10px; align-content: center; padding: 14px; border-radius: 8px; background: var(--g1); border: 1px solid var(--ln-d2); }
.cd-rh { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: #d5d9e1; }
.cd-rh .ic { width: 16px; height: 16px; color: var(--mu-d); }
.cd-chart { width: 100%; height: 70px; }
.cd-chart path { fill: none; stroke: #8f96a3; stroke-width: 2; }
.cd-warn, .cd-none { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; }
.cd-warn { color: #ffb86b; }
.cd-none { color: #ff8a95; }
.cd-warn .ic, .cd-none .ic { width: 15px; height: 15px; }
.cd-acts { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; align-content: center; }
.cd-acts li { display: grid; grid-template-columns: 32px 1fr 24px; gap: 10px; align-items: center; padding: 10px 12px; border-radius: 8px; background: var(--g1); border: 1px solid var(--ln-d2); opacity: 0; transform: translateX(10px); transition: opacity .5s, transform .6s var(--ease-o); transition-delay: calc(.6s + var(--i) * .35s); }
.cs-panel.in .cd-acts li { opacity: 1; transform: none; }
.cd-ai { width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; background: var(--acc-soft); color: var(--acc-hi); }
.cd-ai .ic { width: 17px; height: 17px; }
.cd-acts b { font-size: 13.5px; font-weight: 500; color: #e3e6ec; }
.cd-ok { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--ok); color: #fff; }
.cd-ok .ic { width: 13px; height: 13px; }
@media (max-width: 700px) {
  .cd { grid-template-columns: 1fr; }
  .cd-arrow { height: 34px; }
  .cd-arrow i { left: 50%; right: auto; top: 0; bottom: 0; width: 1px; height: auto; background: linear-gradient(180deg, var(--ln-d2), var(--acc)); }
  .cd-arrow .ic { rotate: 90deg; }
  .cd-hub, .cd-graph { min-height: 240px; }
}

/* ---------- homepage film (third section) ---------- */
.promo-band { background: radial-gradient(1100px 520px at 50% 0%, color-mix(in srgb, var(--acc) 16%, transparent), transparent 70%), #07080b; color: var(--tx-d); border-top: 1px solid var(--ln-d); }
.promo-band .lead { color: var(--mu-d); }
.promo { position: relative; margin-top: clamp(32px, 4vw, 52px); aspect-ratio: 16 / 9; border-radius: 18px; overflow: hidden; background: #000; border: 1px solid var(--ln-d2); box-shadow: 0 60px 140px -50px rgba(0, 0, 0, .9), 0 0 0 1px var(--acc-line), 0 0 90px -20px color-mix(in srgb, var(--acc) 45%, transparent); }
.promo-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; background: #000; }
.promo.playing .promo-video { object-fit: contain; }
.promo-play { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: inline-flex; align-items: center; gap: 16px; padding: 14px 26px 14px 14px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .22); background: rgba(10, 12, 18, .72); backdrop-filter: blur(10px); color: #fff; cursor: pointer; box-shadow: 0 20px 60px rgba(0, 0, 0, .55); transition: transform .35s var(--ease-o), background .3s; }
.promo-play:hover { background: rgba(10, 12, 18, .86); transform: translate(-50%, -50%) scale(1.04); }
.promo-play:focus-visible { outline: 2px solid var(--acc-hi); outline-offset: 4px; }
.promo-play-ic { position: relative; display: grid; place-items: center; width: 64px; height: 64px; border-radius: 50%; background: var(--acc); }
.promo-play-ic::after { content: ""; position: absolute; inset: -6px; border-radius: 50%; border: 2px solid var(--acc-hi); opacity: .6; animation: promoPulse 2.2s var(--ease-o) infinite; }
.promo-play-ic .ic, .promo-play-ic svg { width: 26px; height: 26px; margin-left: 3px; }
.promo-play-txt { display: grid; gap: 4px; text-align: left; }
.promo-play-txt b { font: 600 18px/1.1 var(--f); letter-spacing: -.01em; }
.promo-play-txt small { font: 400 13px/1 var(--fm); color: var(--mu-d); }
.promo.playing .promo-play { opacity: 0; pointer-events: none; }
.promo-foot { margin-top: 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.promo-note { font: 400 13.5px/1.3 var(--fm); color: var(--mu-d); }
@keyframes promoPulse { from { transform: scale(.9); opacity: .7; } to { transform: scale(1.35); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .promo-play-ic::after { animation: none; } }
@media (max-width: 700px) {
  .promo { aspect-ratio: 9 / 16; max-height: 82vh; max-width: 460px; margin-left: auto; margin-right: auto; border-radius: 16px; }
  .promo-play { padding: 10px 20px 10px 10px; gap: 12px; }
  .promo-play-ic { width: 52px; height: 52px; }
  .promo-foot { justify-content: center; text-align: center; }
}

/* ---------- hero: AI automations steps (all 7 visible, 4 + 3) ---------- */
/* the canvas is taller by --grow; everything moves down except the top cards, which grow upward */
.hc-xl[data-grow] { --top-h: calc(180px + var(--grow)); }
.hc-xl[data-grow] > :not(.top) { margin-top: var(--grow); }
.steps-run.seq { grid-auto-flow: column; grid-template-rows: repeat(4, auto); grid-template-columns: auto auto; justify-content: start; column-gap: 22px; }
.hc-xl .steps-run.seq { font-size: 13px; gap: 7px 22px; }
.steps-run.seq li { white-space: nowrap; }
.hc-xl .hc-panel.top:has(.spark) { grid-template-rows: auto auto 1fr; }
.hc-xl .hc-panel.top:has(.apps) { grid-template-rows: auto 1fr; }
.hc-xl .hc-panel.top .kpis + .spark { height: 100%; min-height: 44px; align-self: stretch; }
.hc-xl .hc-panel.top .apps { align-self: stretch; grid-auto-rows: 1fr; }
.steps-run.seq li:nth-child(1)::before { animation: seqDot0 14s infinite; }
@keyframes seqDot0 { 0%, 2.14% { background: transparent; border-color: var(--ln-d2); box-shadow: none; } 4.29%, 96.43% { background: var(--ok); border-color: var(--ok); box-shadow: inset 0 0 0 2px var(--g1); } 100% { background: transparent; border-color: var(--ln-d2); box-shadow: none; } }
.steps-run.seq li:nth-child(2)::before { animation: seqDot1 14s infinite; }
@keyframes seqDot1 { 0%, 16.43% { background: transparent; border-color: var(--ln-d2); box-shadow: none; } 18.57%, 96.43% { background: var(--ok); border-color: var(--ok); box-shadow: inset 0 0 0 2px var(--g1); } 100% { background: transparent; border-color: var(--ln-d2); box-shadow: none; } }
.steps-run.seq li:nth-child(3)::before { animation: seqDot2 14s infinite; }
@keyframes seqDot2 { 0%, 30.71% { background: transparent; border-color: var(--ln-d2); box-shadow: none; } 32.86%, 96.43% { background: var(--ok); border-color: var(--ok); box-shadow: inset 0 0 0 2px var(--g1); } 100% { background: transparent; border-color: var(--ln-d2); box-shadow: none; } }
.steps-run.seq li:nth-child(4)::before { animation: seqDot3 14s infinite; }
@keyframes seqDot3 { 0%, 45.00% { background: transparent; border-color: var(--ln-d2); box-shadow: none; } 47.14%, 96.43% { background: var(--ok); border-color: var(--ok); box-shadow: inset 0 0 0 2px var(--g1); } 100% { background: transparent; border-color: var(--ln-d2); box-shadow: none; } }
.steps-run.seq li:nth-child(5)::before { animation: seqDot4 14s infinite; }
@keyframes seqDot4 { 0%, 59.29% { background: transparent; border-color: var(--ln-d2); box-shadow: none; } 61.43%, 96.43% { background: var(--ok); border-color: var(--ok); box-shadow: inset 0 0 0 2px var(--g1); } 100% { background: transparent; border-color: var(--ln-d2); box-shadow: none; } }
.steps-run.seq li:nth-child(6)::before { animation: seqDot5 14s infinite; }
@keyframes seqDot5 { 0%, 73.57% { background: transparent; border-color: var(--ln-d2); box-shadow: none; } 75.71%, 96.43% { background: var(--ok); border-color: var(--ok); box-shadow: inset 0 0 0 2px var(--g1); } 100% { background: transparent; border-color: var(--ln-d2); box-shadow: none; } }
.steps-run.seq li:nth-child(7)::before { animation: seqDot6 14s infinite; }
@keyframes seqDot6 { 0%, 87.86% { background: transparent; border-color: var(--ln-d2); box-shadow: none; } 90.00%, 96.43% { background: var(--ok); border-color: var(--ok); box-shadow: inset 0 0 0 2px var(--g1); } 100% { background: transparent; border-color: var(--ln-d2); box-shadow: none; } }
@media (prefers-reduced-motion: reduce) { .steps-run.seq li::before { animation: none; } }

/* ---------- hero: AI OS rail - upright label + SRE / Diagnostics / FinOps ---------- */
.hc-rail .rail-sub { writing-mode: horizontal-tb; text-align: center; font: 500 12px/1.35 var(--fm); letter-spacing: .22em; text-transform: uppercase; color: var(--mu-d); margin-top: 0; }
.rail-ops { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 12px; width: 100%; justify-items: center; }
.rail-ops li { display: grid; justify-items: center; gap: 8px; width: 112px; padding: 14px 6px 12px; border-radius: 12px; background: var(--g2); border: 1px solid var(--ln-d); transition: border-color .3s, background .3s, translate .3s var(--ease-o); }
.rail-ops li:hover { border-color: var(--acc-line); background: var(--acc-soft); translate: 0 -2px; }
.rail-ops .ic { width: 40px; height: 40px; padding: 9px; border-radius: 10px; color: var(--acc-hi); background: var(--acc-soft); border: 1px solid var(--acc-line); }
.rail-ops b { font: 600 15px/1.1 var(--f); letter-spacing: -.01em; color: var(--tx-d); }

/* ---------- About: PTR app suite, 7 industry apps ---------- */
.ptr .ptr-suite li { animation-duration: 7.2s; white-space: nowrap; gap: 6px; padding: 7px; }
.ptr .ptr-suite ul { gap: 5px; }
.ptr-suite li:last-child:nth-child(odd) { grid-column: 1 / -1; }
.hc-xl .apps small { text-align: center; line-height: 1.2; }