.product-page { overflow-x: clip; background: var(--paper); color: var(--ink); }
.product-page main { overflow: clip; }
.product-page .mono-label { display: block; margin-bottom: 18px; color: var(--muted); font: 500 9px/1 "IBM Plex Mono",monospace; letter-spacing: .14em; text-transform: uppercase; }
.product-page .eyebrow-mint { color: var(--mint-deep); }

.product-hero,.product-chapter,.product-onboarding,.product-faq,.product-access { width: min(1440px,90vw); margin-inline: auto; }
.product-hero { min-height: 100svh; padding: 170px 0 104px; display: grid; grid-template-columns: minmax(0,.72fr) minmax(620px,1.28fr); gap: clamp(52px,7vw,116px); align-items: center; }
.product-hero h1 { max-width: 720px; margin: 0; font: 400 clamp(62px,6.6vw,108px)/.92 "IBM Plex Serif",serif; letter-spacing: -.058em; }
.product-hero h1 em { color: var(--mint-deep); font-weight: 400; }
.product-hero p { max-width: 56ch; margin: 30px 0 0; color: var(--muted); font: 400 17px/1.72 "IBM Plex Sans",sans-serif; }
.product-hero .hero-actions { margin-top: 34px; }

.system-cutaway,.technical-plate { position: relative; margin: 0; border: 1px solid var(--line); border-radius: 8px; background-color: rgba(255,255,255,.28); background-image: linear-gradient(rgba(20,20,20,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(20,20,20,.035) 1px,transparent 1px); background-size: 32px 32px; box-shadow: 0 30px 78px rgba(20,20,20,.08); overflow: hidden; }
.system-cutaway { min-height: 620px; padding: 58px 34px 74px; display: grid; grid-template-columns: .72fr 1.3fr .72fr; gap: 18px; align-items: center; }

.circuit-zone { position: relative; z-index: 2; min-width: 0; padding: 34px 14px 18px; border: 1px solid rgba(20,20,20,.22); background: rgba(247,245,240,.9); display: grid; gap: 8px; align-content: center; }
.circuit-zone > span { position: absolute; inset: 0 0 auto; min-height: 25px; padding: 0 9px; border-bottom: 1px solid var(--line); display: flex; align-items: center; color: var(--muted); font: 500 8px/1 "IBM Plex Mono",monospace; letter-spacing: .13em; }
.circuit-zone b { min-height: 35px; padding: 0 8px; border-block: 1px solid rgba(20,20,20,.12); display: flex; align-items: center; color: var(--ink); font: 500 8px/1.25 "IBM Plex Mono",monospace; letter-spacing: .06em; }
.circuit-inputs { grid-column: 1; min-height: 244px; }
.circuit-autolab { grid-column: 2; min-height: 384px; padding-inline: 18px; border-color: var(--mint-deep); background: rgba(252,251,247,.94); }
.circuit-autolab::after { content: "LIVE CONTROL PLANE"; position: absolute; right: 12px; bottom: 10px; color: var(--mint-deep); font: 500 7px/1 "IBM Plex Mono",monospace; letter-spacing: .12em; }
.circuit-autolab > span { color: var(--mint-deep); border-bottom-color: rgba(12,138,95,.3); }
.circuit-autolab b { border-color: rgba(12,138,95,.22); }
.circuit-output { grid-column: 3; min-height: 184px; }
.circuit-output small { color: var(--muted); font: 400 8px/1.55 "IBM Plex Mono",monospace; }
.circuit-route { position: absolute; inset: 88px 3% 92px; z-index: 1; width: 94%; height: calc(100% - 180px); overflow: visible; pointer-events: none; }
.route-history { color: rgba(20,20,20,.2); stroke-width: 1; }
.route-active { color: rgba(12,138,95,.58); stroke-width: 1.4; }
.route-loop { color: rgba(12,138,95,.42); stroke-width: 1.2; stroke-dasharray: 6 7; }
.route-dash { color: var(--mint); stroke-width: 4; stroke-linecap: round; stroke-dasharray: 18 1000; stroke-dashoffset: 0; filter: drop-shadow(0 0 5px rgba(47,206,150,.55)); animation: circuit-route-once 4.6s cubic-bezier(.35,.05,.28,1) .45s 1 both; }
@keyframes circuit-route-once { to { stroke-dashoffset: -982; } }
.diagram-key { position: absolute; inset: auto 24px 20px; z-index: 3; display: flex; flex-wrap: wrap; gap: 10px 18px; color: var(--muted); font: 500 8px/1 "IBM Plex Mono",monospace; letter-spacing: .08em; }
.diagram-key span { white-space: nowrap; }
.diagram-key span:first-child { color: var(--mint-deep); }

.product-chapter { position: relative; min-height: 760px; padding: 116px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: minmax(0,.66fr) minmax(560px,1.34fr); gap: clamp(54px,8vw,128px); align-items: center; }
.product-chapter.reverse { grid-template-columns: minmax(560px,1.34fr) minmax(0,.66fr); }
.product-chapter.reverse .product-copy { grid-column: 2; }
.product-chapter.reverse > figure { grid-row: 1; grid-column: 1; }
.product-chapter.reverse > :last-child { grid-row: 1; grid-column: 1; }
.product-copy h2 { max-width: 650px; margin: 0; font: 400 clamp(48px,5vw,78px)/.98 "IBM Plex Serif",serif; letter-spacing: -.048em; }
.product-copy p { max-width: 48ch; margin: 25px 0 0; color: var(--muted); font: 400 16px/1.72 "IBM Plex Sans",sans-serif; }
.technical-plate { min-height: 560px; padding: 68px 30px 48px; }
.plate-index { position: absolute; inset: 0 0 auto; min-height: 39px; padding: 0 18px; border-bottom: 1px solid var(--line); background: rgba(247,245,240,.78); display: flex; align-items: center; justify-content: space-between; gap: 18px; color: var(--muted); font: 500 10px/1.3 "IBM Plex Mono",monospace; letter-spacing: .1em; }
.plate-index small { color: var(--muted); font: inherit; letter-spacing: .04em; text-align: right; }

.customer-boundary { position: relative; min-height: 430px; padding: 0 22px 22px; border: 1px solid rgba(20,20,20,.34); display: grid; grid-template-areas: "boundary-label boundary-label boundary-label" "sources scheduler pools"; grid-template-columns: minmax(0,.86fr) minmax(0,1.04fr) minmax(0,.9fr); grid-template-rows: auto 1fr; column-gap: 25px; row-gap: 12px; align-items: center; }
.customer-boundary::before { content: ""; position: absolute; left: 13%; right: 13%; top: 50%; z-index: 0; border-top: 1px solid rgba(20,20,20,.2); }
.boundary-label { grid-area: boundary-label; align-self: start; min-height: 40px; padding: 0 12px; border-bottom: 1px solid rgba(20,20,20,.28); background: var(--paper); color: var(--muted); display: flex; align-items: center; font: 500 10px/1.2 "IBM Plex Mono",monospace; letter-spacing: .12em; }
.topology-sources,.compute-pools { position: relative; z-index: 1; display: grid; gap: 12px; }
.topology-sources { grid-area: sources; }
.topology-sources b,.compute-pools > div { min-width: 0; min-height: 72px; padding: 14px 12px; border-block: 1px solid rgba(20,20,20,.22); background: rgba(247,245,240,.93); display: grid; align-content: space-between; gap: 11px; }
.topology-sources b { color: var(--ink); font: 500 9px/1 "IBM Plex Mono",monospace; letter-spacing: .08em; }
.topology-sources small { color: var(--muted); font: 400 10px/1.35 "IBM Plex Mono",monospace; letter-spacing: 0; }
.topology-scheduler { grid-area: scheduler; position: relative; z-index: 2; min-height: 208px; padding: 24px 16px; border: 1px solid var(--mint-deep); background: rgba(252,251,247,.96); display: grid; place-items: center; align-content: center; gap: 18px; text-align: center; }
.topology-scheduler::before,.topology-scheduler::after { content: ""; position: absolute; top: 50%; width: 25px; border-top: 1px solid var(--mint-deep); }
.topology-scheduler::before { right: 100%; }
.topology-scheduler::after { left: 100%; }
.topology-scheduler > span { color: var(--mint-deep); font: 500 16px/1 "IBM Plex Mono",monospace; letter-spacing: .2em; }
.topology-scheduler strong { color: var(--ink); font: 500 11px/1.35 "IBM Plex Mono",monospace; letter-spacing: .08em; }
.topology-scheduler small { max-width: 18ch; color: var(--muted); font: 400 10px/1.45 "IBM Plex Mono",monospace; }
.topology-proposed-route { position: absolute; left: 100%; top: 34%; width: 25px; border-top: 1px dashed var(--mint-deep); opacity: .68; pointer-events: none; }
.compute-pools { grid-area: pools; }
.compute-pools > div { font: 500 10px/1 "IBM Plex Mono",monospace; letter-spacing: .1em; }
.compute-pools span { color: var(--muted); }
.compute-pools b { color: var(--mint-deep); font: 500 10px/1 "IBM Plex Mono",monospace; letter-spacing: .08em; }

.anatomy-grid { position: relative; min-height: 444px; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); grid-template-rows: repeat(3,minmax(112px,1fr)); gap: 18px; align-items: stretch; }
.anatomy-grid::before { content: ""; position: absolute; left: 12%; right: 12%; top: 50%; z-index: 0; height: 1px; background: rgba(20,20,20,.18); }
.anatomy-core,[data-anatomy-part] { position: relative; z-index: 1; min-width: 0; border: 1px solid rgba(20,20,20,.22); background: rgba(247,245,240,.94); }
.anatomy-core { grid-area: 2 / 2; padding: 16px; border-color: #31433b; background: #0c1210; color: var(--mint); display: grid; place-items: center; align-content: center; gap: 11px; text-align: center; box-shadow: 0 16px 34px rgba(12,18,16,.16); }
.anatomy-core span { font: 500 11px/1 "IBM Plex Mono",monospace; letter-spacing: .1em; }
.anatomy-core small { color: #a9b0ac; font: 400 10px/1.2 "IBM Plex Mono",monospace; letter-spacing: .08em; }
[data-anatomy-part] { padding: 14px; display: grid; align-content: space-between; gap: 9px; }
[data-anatomy-part] > span { color: var(--muted); font: 500 10px/1.2 "IBM Plex Mono",monospace; letter-spacing: .08em; }
[data-anatomy-part] > b { color: var(--ink); font: 500 10px/1.25 "IBM Plex Mono",monospace; }
[data-anatomy-part] > small { color: var(--muted); font: 400 10px/1.25 "IBM Plex Mono",monospace; }
[data-anatomy-part="change"] { grid-area: 1 / 1; }
[data-anatomy-part="gpu"] { grid-area: 1 / 3; border-color: rgba(12,138,95,.4); }
[data-anatomy-part="gpu"] > b { color: var(--mint-deep); }
[data-anatomy-part="trace"] { grid-area: 2 / 1; }
[data-anatomy-part="logs"] { grid-area: 2 / 3; }
[data-anatomy-part="checkpoint"] { grid-area: 3 / 1; }
[data-anatomy-part="evaluation"] { grid-area: 3 / 3; border-color: rgba(20,20,20,.34); }
[data-anatomy-part="change"]::after,[data-anatomy-part="gpu"]::after,[data-anatomy-part="checkpoint"]::after,[data-anatomy-part="evaluation"]::after { content: ""; position: absolute; width: calc(50% + 18px); height: calc(50% + 18px); pointer-events: none; }
[data-anatomy-part="change"]::after { left: 50%; top: 100%; border-left: 1px solid rgba(20,20,20,.18); border-bottom: 1px solid rgba(20,20,20,.18); }
[data-anatomy-part="gpu"]::after { right: 50%; top: 100%; border-right: 1px solid rgba(20,20,20,.18); border-bottom: 1px solid rgba(20,20,20,.18); }
[data-anatomy-part="checkpoint"]::after { left: 50%; bottom: 100%; border-left: 1px solid rgba(20,20,20,.18); border-top: 1px solid rgba(20,20,20,.18); }
[data-anatomy-part="evaluation"]::after { right: 50%; bottom: 100%; border-right: 1px solid rgba(20,20,20,.18); border-top: 1px solid rgba(20,20,20,.18); }
.anatomy-trace { width: 100%; height: 28px; overflow: visible; }
.anatomy-trace polyline { fill: none; stroke: var(--mint-deep); stroke-width: 1.4; vector-effect: non-scaling-stroke; }

.watchdog-instrument,.experiment-queue,.product-diff,.compute-map { min-height: 500px; border: 1px solid var(--line); border-radius: 8px; background: rgba(255,255,255,.26); box-shadow: 0 28px 68px rgba(26,31,28,.06); }
.watchdog-instrument { aspect-ratio: 16/10; border-color: #31433b; background: #0c1210; overflow: hidden; box-shadow: 0 30px 80px rgba(6,14,11,.18); }
.watchdog-instrument canvas { display: block; width: 100%; height: 100%; }
.experiment-queue,.product-diff { min-height: 600px; padding: 0; display: grid; grid-template-rows: auto 1fr; overflow: hidden; }
.lineage-index,.packet-index { min-height: 42px; padding: 0 18px; border-bottom: 1px solid var(--line); background: rgba(247,245,240,.84); display: flex; align-items: center; justify-content: space-between; gap: 18px; color: var(--muted); font: 500 10px/1.3 "IBM Plex Mono",monospace; letter-spacing: .1em; }
.lineage-index small,.packet-index small { color: var(--muted); font: inherit; letter-spacing: .04em; text-align: right; }

.lineage-system { position: relative; min-height: 528px; padding: 34px; display: grid; grid-template-columns: minmax(0,1fr) minmax(130px,.82fr) minmax(0,1fr); gap: 42px; align-items: center; }
.lineage-outcomes,.lineage-proposals { position: relative; z-index: 2; min-width: 0; display: grid; grid-template-rows: auto repeat(3,minmax(72px,1fr)) auto; gap: 10px; }
.lineage-column-label { color: var(--muted); font: 500 10px/1.2 "IBM Plex Mono",monospace; letter-spacing: .1em; }
.lineage-result,[data-next-experiment] { min-width: 0; min-height: 72px; padding: 13px 14px; border: 1px solid rgba(20,20,20,.22); background: rgba(247,245,240,.96); display: grid; align-content: space-between; gap: 10px; }
.lineage-result > span,[data-next-experiment] > span { color: var(--ink); font: 500 10px/1.25 "IBM Plex Mono",monospace; letter-spacing: .07em; }
.lineage-result small,[data-next-experiment] small { color: var(--muted); font: 400 10px/1.35 "IBM Plex Mono",monospace; }
.lineage-result[data-lineage-selected] { border-color: var(--mint-deep); background: rgba(47,206,150,.1); box-shadow: inset 3px 0 0 var(--mint); }
.lineage-result[data-lineage-selected] > span { color: var(--ink); }
.lineage-result[data-lineage-selected] small { color: var(--muted); }
[data-next-experiment] { border-color: rgba(12,138,95,.35); }
[data-next-experiment] > span { color: var(--ink); }
.lineage-note { min-height: 28px; margin: 2px 0 0; color: var(--muted); font: 400 10px/1.4 "IBM Plex Mono",monospace; }
.lineage-memory { position: relative; z-index: 2; min-width: 0; min-height: 224px; padding: 24px 18px; border: 1px solid #31433b; background: #0c1210; color: var(--paper); display: grid; place-items: center; align-content: center; gap: 18px; text-align: center; box-shadow: 0 18px 42px rgba(12,18,16,.18); }
.lineage-memory > span { color: var(--mint); font: 500 11px/1.25 "IBM Plex Mono",monospace; letter-spacing: .09em; }
.lineage-memory > b { max-width: 18ch; color: var(--paper); font: 500 10px/1.5 "IBM Plex Mono",monospace; letter-spacing: .06em; }
.lineage-memory > small { max-width: 22ch; color: #b8c1bc; font: 400 10px/1.5 "IBM Plex Mono",monospace; }
.lineage-routes { position: absolute; inset: 34px; z-index: 1; width: calc(100% - 68px); height: calc(100% - 68px); overflow: visible; pointer-events: none; }
.lineage-routes path { fill: none; stroke-linecap: round; }
.lineage-history-route { stroke: rgba(20,20,20,.28); stroke-width: 1.2; }
.lineage-proposal-route { stroke: var(--mint-deep); stroke-width: 1.35; stroke-dasharray: 7 7; }

.packet-stack { min-height: 636px; padding: 30px; display: grid; grid-template-columns: repeat(12,minmax(0,1fr)); grid-template-rows: repeat(7,72px); gap: 12px; align-content: center; }
.packet-sheet { min-width: 0; padding: 15px; border: 1px solid rgba(20,20,20,.25); background: rgba(252,251,247,.98); display: grid; align-content: space-between; gap: 7px; box-shadow: 0 14px 34px rgba(20,20,20,.09); }
.packet-sheet header { padding-bottom: 8px; border-bottom: 1px solid var(--line); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; column-gap: 10px; row-gap: 3px; }
.packet-sheet header span,.packet-sheet header b { min-width: 0; flex: 0 0 auto; max-width: 100%; color: var(--muted); font: 500 10px/1.25 "IBM Plex Mono",monospace; letter-spacing: .08em; white-space: nowrap; }
.packet-sheet header b { color: var(--ink); }
.packet-sheet > strong { color: var(--ink); font: 500 11px/1.35 "IBM Plex Mono",monospace; }
.packet-sheet > small { color: var(--muted); font: 400 10px/1.4 "IBM Plex Mono",monospace; }
.packet-diff { grid-column: 1 / 7; grid-row: 1 / 5; z-index: 3; padding: 20px; }
.packet-diff code { display: grid; align-content: center; gap: 13px; color: var(--ink); font: 400 11px/1.5 "IBM Plex Mono",monospace; }
.packet-diff code span { display: block; padding: 8px 10px; border-left: 2px solid currentColor; }
.diff-removed { color: #9e4937; background: rgba(158,73,55,.07); }
.diff-added { color: var(--ink); background: rgba(47,206,150,.09); border-left-color: var(--mint); }
.packet-config { grid-column: 7 / 10; grid-row: 1 / 3; z-index: 2; transform: translateY(6px); }
.packet-evaluation { grid-column: 10 / 13; grid-row: 1 / 3; z-index: 1; border-left: 3px solid var(--mint); }
.packet-evaluation > strong { color: var(--ink); }
.packet-logs { grid-column: 7 / 10; grid-row: 3 / 5; z-index: 2; transform: translateY(6px); }
.packet-checkpoint { grid-column: 10 / 13; grid-row: 3 / 5; z-index: 1; transform: translateY(6px); }
.packet-lineage { grid-column: 2 / 7; grid-row: 5 / 8; z-index: 2; transform: translateY(-10px); }
.packet-approval { grid-column: 7 / 13; grid-row: 5 / 8; z-index: 4; min-height: 186px; padding: 24px; border-color: var(--mint); background: #0c1210; color: var(--paper); transform: translateX(-10px); box-shadow: 0 22px 48px rgba(12,18,16,.2); }
.packet-approval > span { color: var(--mint); font: 500 10px/1.2 "IBM Plex Mono",monospace; letter-spacing: .11em; }
.packet-approval > strong { max-width: 23ch; color: var(--paper); font: 500 14px/1.3 "IBM Plex Mono",monospace; letter-spacing: .06em; }
.packet-approval > p { margin: 0; color: var(--mint); font: 500 11px/1.35 "IBM Plex Mono",monospace; letter-spacing: .07em; }
.packet-approval > small { color: #b8c1bc; }
.compute-map { min-height: 600px; padding: 68px 30px 30px; display: grid; }
.deployment-system { position: relative; min-height: 470px; display: grid; grid-template-areas: "customer control" "managed control"; grid-template-columns: minmax(0,3fr) minmax(110px,1fr); grid-template-rows: minmax(0,1fr) 108px; row-gap: 22px; column-gap: clamp(18px,2.4vw,28px); align-items: stretch; }
.deployment-customer-boundary { grid-area: customer; min-width: 0; min-height: 328px; padding: 0 18px 20px; border: 1px dashed rgba(20,20,20,.42); background: rgba(247,245,240,.86); display: grid; grid-template-rows: auto auto 1fr; gap: 16px; }
.deployment-boundary-head { min-height: 42px; padding: 0 2px; border-bottom: 1px solid rgba(20,20,20,.24); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.deployment-boundary-head span,.deployment-boundary-head small { color: var(--ink); font: 500 10px/1.3 "IBM Plex Mono",monospace; letter-spacing: .1em; }
.deployment-boundary-head small { color: var(--muted); font-weight: 400; letter-spacing: .04em; }
.deployment-assets { display: flex; flex-wrap: wrap; gap: 8px; }
.deployment-assets span { min-height: 28px; padding: 0 10px; border: 1px solid rgba(12,138,95,.32); background: rgba(47,206,150,.08); color: var(--ink); display: inline-flex; align-items: center; font: 500 10px/1 "IBM Plex Mono",monospace; letter-spacing: .1em; }
.deployment-customer-nodes { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; align-items: stretch; }
.deployment-customer-nodes article,.deployment-managed { min-width: 0; padding: 14px 12px; border: 1px solid rgba(20,20,20,.24); background: rgba(252,251,247,.97); display: grid; align-content: space-between; gap: 12px; }
.deployment-customer-nodes article { position: relative; z-index: 2; min-height: 126px; }
.deployment-customer-nodes span,.deployment-managed > span { color: var(--muted); font: 500 10px/1.3 "IBM Plex Mono",monospace; letter-spacing: .06em; }
.deployment-customer-nodes b,.deployment-managed > b { color: var(--ink); font: 500 11px/1.3 "IBM Plex Mono",monospace; letter-spacing: .06em; }
.deployment-customer-nodes small,.deployment-managed > small { color: var(--muted); font: 400 10px/1.4 "IBM Plex Mono",monospace; }
.deployment-managed { grid-area: managed; position: relative; z-index: 2; width: 100%; min-height: 108px; border-color: rgba(12,138,95,.34); }
.deployment-managed > b { color: var(--ink); }
.deployment-control-plane { grid-area: control; position: relative; z-index: 2; min-width: 0; padding: 26px 18px; border: 1px solid #31433b; background: #0c1210; color: var(--paper); display: grid; place-items: center; align-content: center; gap: 22px; text-align: center; box-shadow: 0 20px 44px rgba(12,18,16,.18); }
.deployment-control-plane > span { color: var(--mint); font: 500 10px/1.3 "IBM Plex Mono",monospace; letter-spacing: .12em; }
.deployment-control-plane > b { color: var(--paper); font: 500 12px/1.5 "IBM Plex Mono",monospace; letter-spacing: .08em; }
.deployment-control-plane > small { color: #b8c1bc; font: 400 10px/1.55 "IBM Plex Mono",monospace; }
.deployment-connectors { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.deployment-connectors path { fill: none; stroke: rgba(12,138,95,.62); stroke-width: 1.3; stroke-linecap: round; }

.product-onboarding { min-height: 720px; padding: 116px 0; scroll-margin-top: 100px; border-top: 1px solid var(--line); display: grid; grid-template-columns: minmax(0,.62fr) minmax(620px,1.38fr); gap: clamp(54px,8vw,128px); align-items: center; }
.product-onboarding-copy h2,.product-faq-intro h2 { max-width: 650px; margin: 0; font: 400 clamp(48px,5vw,78px)/.98 "IBM Plex Serif",serif; letter-spacing: -.048em; }
.product-onboarding-copy h2 em,.product-faq-intro h2 em { color: var(--mint-deep); font-weight: 400; }
.product-onboarding-copy p,.product-faq-intro p { max-width: 48ch; margin: 25px 0 0; color: var(--muted); font: 400 16px/1.72 "IBM Plex Sans",sans-serif; }
.product-onboarding-console-column { min-width: 620px; }
.product-onboarding .mono-label { color: var(--muted); font: 500 10px/1 "IBM Plex Mono",monospace; }
.product-onboarding .onboarding-access-label { color: var(--ink); font: 500 10px/1 "IBM Plex Mono",monospace; }
.product-onboarding .onboarding-console { border-radius: 8px; box-shadow: 0 34px 84px rgba(12,18,16,.18),18px 18px 0 rgba(47,206,150,.07); }
.product-onboarding .onboarding-head { height: 50px; color: #a9b0ac; font: 500 10px/1 "IBM Plex Mono",monospace; }
.product-onboarding .onboarding-tabs button { min-height: 48px; color: #a9b0ac; font: 500 10px/1 "IBM Plex Mono",monospace; }
.product-onboarding .onboarding-tabs button:hover { color: var(--paper); }
.product-onboarding .onboarding-tabs button[aria-selected="true"] { color: var(--paper); border-color: var(--mint); }
.product-onboarding .onboarding-tabs button:focus-visible { outline: 2px solid var(--mint); outline-offset: -4px; }
.product-onboarding .onboarding-panel { min-height: 294px; padding: 42px 34px; }
.product-onboarding .onboarding-panel pre { color: #c4ccc8; font-size: 14px; line-height: 2; }
.product-onboarding .onboarding-panel pre i { color: #91a099; }

.product-faq { min-height: 720px; padding: 116px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: minmax(0,.62fr) minmax(560px,1.38fr); gap: clamp(54px,8vw,128px); align-items: start; }
.product-faq-list { border-top: 1px solid var(--line); }
.product-faq details { border-bottom: 1px solid var(--line); }
.product-faq summary { min-height: 86px; padding: 24px 6px; color: var(--ink); cursor: pointer; list-style: none; display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 28px; align-items: center; font: 500 17px/1.45 "IBM Plex Sans",sans-serif; }
.product-faq summary::-webkit-details-marker { display: none; }
.product-faq summary::after { content: "+"; color: var(--mint-deep); font: 400 22px/1 "IBM Plex Mono",monospace; }
.product-faq details[open] summary::after { content: "−"; }
.product-faq summary:focus-visible { outline: 2px solid var(--mint-deep); outline-offset: 4px; }
.product-faq details p { max-width: 68ch; margin: -4px 48px 28px 6px; color: var(--muted); font: 400 15px/1.72 "IBM Plex Sans",sans-serif; }

.product-access { margin-bottom: 80px; padding: 92px 6vw; border-radius: 7px; background: var(--ink); color: var(--paper); display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(48px,8vw,112px); align-items: center; }
.product-access h2 { margin: 0; font: 400 clamp(52px,5.2vw,82px)/.95 "IBM Plex Serif",serif; letter-spacing: -.05em; }
.product-access h2 em { color: var(--mint); font-weight: 400; }
.product-access > div p { max-width: 38ch; color: #a9b0ac; font: 400 15px/1.7 "IBM Plex Sans",sans-serif; }
.product-access .early-access-control input { border-color: #46514c; background: rgba(255,255,255,.04); color: var(--paper); }
.product-access .early-access-control input:focus-visible { border-color: var(--mint); outline: 2px solid var(--mint); outline-offset: 3px; box-shadow: 0 0 0 5px rgba(47,206,150,.18); }
.product-access .early-access-form label { color: #b8c1bc; }
.product-access .early-access-status { color: #a9b0ac; }
.product-access .early-access-form[data-state="success"] .early-access-status { color: var(--mint); }
.product-access .early-access-form[data-state="invalid"] .early-access-status,
.product-access .early-access-form[data-state="failure"] .early-access-status { color: #f0a38e; }
.product-access .early-access-demo { color: #a9b0ac; }

[data-explainer-chapter][data-reveal="pending"] .topology-scheduler::before,
[data-explainer-chapter][data-reveal="pending"] .topology-scheduler::after,
[data-explainer-chapter][data-reveal="pending"] .topology-proposed-route { opacity: .2; transform: scale(.6); }
[data-explainer-chapter][data-reveal="resolved"] .topology-scheduler::before,
[data-explainer-chapter][data-reveal="resolved"] .topology-scheduler::after,
[data-explainer-chapter][data-reveal="resolved"] .topology-proposed-route { transition: opacity 420ms ease-out,transform 620ms cubic-bezier(.22,.61,.36,1); }
[data-explainer-chapter][data-reveal="pending"] .anatomy-grid::before,
[data-explainer-chapter][data-reveal="pending"] [data-anatomy-part]::after { opacity: .24; transform: scale(.7); }
[data-explainer-chapter][data-reveal="resolved"] .anatomy-grid::before,
[data-explainer-chapter][data-reveal="resolved"] [data-anatomy-part]::after { transition: opacity 440ms ease-out,transform 560ms cubic-bezier(.22,.61,.36,1); }
[data-explainer-chapter][data-reveal="pending"] .lineage-proposal-route { opacity: .28; transform: translateX(-8px); }
[data-explainer-chapter][data-reveal="resolved"] .lineage-proposal-route { transition: opacity 460ms ease-out,transform 620ms cubic-bezier(.22,.61,.36,1); }
[data-explainer-chapter][data-reveal="pending"] .packet-sheet { transform: translateY(8px); }
[data-explainer-chapter][data-reveal="resolved"] .packet-sheet { transition: transform 560ms cubic-bezier(.22,.61,.36,1); }

@media (max-width: 1080px) {
  .product-hero,.product-chapter,.product-chapter.reverse,.product-access { grid-template-columns: 1fr; }
  .product-onboarding { grid-template-columns: 1fr; }
  .product-onboarding-console-column { min-width: 0; }
  .product-hero { min-height: auto; padding: 150px 0 92px; }
  .product-hero > div { max-width: 760px; }
  .product-chapter { min-height: 0; padding: 92px 0; }
  .product-chapter.reverse .product-copy { grid-column: 1; grid-row: 1; }
  .product-chapter.reverse > figure,.product-chapter.reverse > :last-child { grid-column: 1; grid-row: 2; }
}

@media (max-width: 900px) {
  .product-onboarding { grid-template-columns: 1fr; }
  .product-faq { grid-template-columns: 1fr; }
  .product-onboarding-console-column { min-width: 0; }
  .product-onboarding,.product-faq { min-height: 0; padding: 92px 0; }
  .system-cutaway { min-height: 960px; padding: 68px 24px 92px; grid-template-columns: 1fr; grid-template-rows: repeat(3,minmax(0,1fr)); gap: 46px; }
  .circuit-zone { padding: 32px 11px 10px; gap: 5px; }
  .circuit-zone b { min-height: 30px; }
  .circuit-inputs,.circuit-autolab,.circuit-output { grid-column: 1; min-height: 0; }
  .circuit-inputs { grid-row: 1; }
  .circuit-autolab { grid-row: 2; }
  .circuit-output { grid-row: 3; }
  .circuit-route { inset: auto; left: 50%; top: 50%; width: 760px; height: 280px; transform: translate(-50%,-50%) rotate(90deg); }
  .diagram-key { inset: auto 18px 18px; }
  .technical-plate { min-height: 0; padding: 68px 18px 24px; }
  .plate-index { padding-inline: 12px; }
  .plate-index small { max-width: 22ch; }
  .customer-boundary { min-height: 0; padding: 0 16px 18px; grid-template-areas: "boundary-label" "sources" "scheduler" "pools"; grid-template-columns: 1fr; grid-template-rows: auto auto auto auto; gap: 22px; }
  .customer-boundary::before { left: 50%; right: auto; top: 62px; bottom: 34px; width: 1px; border-top: 0; background: rgba(20,20,20,.2); }
  .topology-scheduler { min-height: 150px; }
  .topology-scheduler::before,.topology-scheduler::after { left: 50%; right: auto; top: auto; width: 1px; height: 23px; border-top: 0; border-left: 1px solid var(--mint-deep); }
  .topology-scheduler::before { bottom: 100%; }
  .topology-scheduler::after { top: 100%; }
  .topology-proposed-route { left: calc(50% + 6px); top: 100%; width: 1px; height: 23px; border-top: 0; border-left: 1px dashed var(--mint-deep); }
  .anatomy-grid { min-height: 0; grid-template-columns: 1fr; grid-template-rows: none; gap: 12px; }
  .anatomy-grid::before,[data-anatomy-part]::after { display: none; }
  .anatomy-core,[data-anatomy-part] { grid-area: auto; min-height: 94px; }
  .anatomy-core { min-height: 122px; }
  .anatomy-trace { height: 34px; }
  .watchdog-instrument,.experiment-queue,.product-diff { min-height: 430px; }
  .experiment-queue,.product-diff { min-height: 0; }
  .lineage-index,.packet-index { padding: 11px 14px; align-items: flex-start; flex-direction: column; gap: 6px; }
  .lineage-index small,.packet-index small { text-align: left; }
  .lineage-system { min-height: 0; padding: 24px 18px 28px; grid-template-columns: 1fr; gap: 26px; }
  .lineage-outcomes,.lineage-proposals { grid-template-rows: auto repeat(3,minmax(72px,auto)) auto; }
  .lineage-memory { min-height: 164px; }
  .lineage-routes { display: none; }
  .packet-stack { min-height: 0; padding: 20px; grid-template-columns: 1fr; grid-template-rows: none; grid-auto-rows: auto; gap: 12px; }
  .packet-sheet,.packet-diff,.packet-config,.packet-evaluation,.packet-logs,.packet-checkpoint,.packet-lineage,.packet-approval { grid-column: 1; grid-row: auto; min-height: 118px; transform: none; }
  .packet-diff { min-height: 190px; }
  .packet-approval { min-height: 190px; }
  .compute-map { min-height: 0; padding: 68px 18px 24px; }
  .deployment-system { min-height: 0; grid-template-areas: "customer" "managed" "control"; grid-template-columns: 1fr; grid-template-rows: auto; gap: 20px; }
  .deployment-system::before { content: ""; position: absolute; left: 22px; top: 42px; bottom: 42px; z-index: 0; border-left: 1px solid rgba(12,138,95,.5); }
  .deployment-customer-boundary { min-height: 0; }
  .deployment-customer-nodes { grid-template-columns: 1fr; }
  .deployment-customer-nodes article { min-height: 104px; }
  .deployment-managed { width: 100%; }
  .deployment-control-plane { min-height: 170px; }
  .deployment-connectors { display: none; }
}

@media (max-width: 720px) {
  .product-hero h1 { font-size: clamp(56px,16vw,78px); }
  .product-copy h2 { font-size: clamp(44px,13vw,58px); }
  .product-onboarding .onboarding-panel { min-height: 260px; padding: 32px 22px; }
  .product-onboarding .onboarding-panel pre { font-size: 12px; }
  .product-faq summary { min-height: 74px; font-size: 16px; }
  .product-access { margin-bottom: 18px; padding: 72px 24px; }
}

@media (max-width: 540px) {
  .product-hero,.product-chapter,.product-onboarding,.product-faq,.product-access { width: calc(100vw - 36px); }
  .system-cutaway,.technical-plate,.watchdog-instrument,.experiment-queue,.product-diff,.compute-map,.product-onboarding .onboarding-console { width: 100%; max-width: 100%; min-width: 0; }
  .plate-index,.plate-index small,.boundary-label,.lineage-index,.lineage-index small,.packet-index,.packet-index small,.lineage-column-label,.deployment-boundary-head span,.deployment-boundary-head small,.deployment-customer-nodes span,.deployment-managed > span,.product-page .mono-label,.product-onboarding .onboarding-access-label { overflow-wrap: anywhere; }
  .product-onboarding .onboarding-tabs { width: 100%; max-width: 100%; overflow-x: auto; overscroll-behavior-inline: contain; }
  .product-onboarding .onboarding-tabs button { flex: 0 0 auto; }
}

@media (max-width: 430px) {
  .product-hero { padding-top: 132px; }
  .product-hero p { font-size: 15px; }
  .system-cutaway { min-height: 920px; padding-inline: 16px; }
  .circuit-zone { padding-inline: 11px; }
  .circuit-route { width: 720px; }
  .diagram-key { gap: 9px 13px; }
  .product-chapter { padding: 76px 0; gap: 38px; }
  .deployment-boundary-head { align-items: flex-start; flex-direction: column; justify-content: center; gap: 5px; }
  .packet-stack { padding: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .route-dash { animation: none; stroke-dashoffset: -982; }
  .product-page [data-explainer-chapter],
  .product-page [data-explainer-chapter] *,
  .product-page [data-explainer-chapter] *::before,
  .product-page [data-explainer-chapter] *::after { transition: none !important; }
}