/* ============================================================
   lyncc.io — Platform page styles
   ============================================================ */

/* ---------- HERO ---------- */
.phero { background: var(--lyncc-ink); color: var(--fg-on-ink); position: relative; overflow: hidden; padding: 160px 0 96px; }
.phero .h2 { color: var(--fg-on-ink); }
.phero-grid-bg { position: absolute; inset: 0; pointer-events: none; opacity: .45;
  background-image: linear-gradient(var(--border-ink) 1px, transparent 1px), linear-gradient(90deg, var(--border-ink) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 30%, transparent 75%); }
.phero-inner { position: relative; z-index: 1; max-width: 860px; }
.phero h1 { font-family: var(--font-display); font-weight: 600; font-size: clamp(38px, 5.2vw, 64px); line-height: 1.03; letter-spacing: -.03em; margin: 0 0 22px; color: var(--fg-on-ink); text-wrap: balance; }
.phero h1 .accent { color: var(--lyncc-yellow); }
.phero-sub { font-size: clamp(17px, 1.4vw, 20px); line-height: 1.55; color: var(--fg-on-ink-2); max-width: 660px; margin: 0 0 34px; text-wrap: pretty; }
.phero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--border-ink); border-radius: var(--r-lg); overflow: hidden; margin-top: 44px; }
.phero-stats .cell { padding: 24px 26px; border-right: 1px solid var(--border-ink); }
.phero-stats .cell:last-child { border-right: none; }
.phero-stats .v { font-family: var(--font-display); font-weight: 600; font-size: 36px; letter-spacing: -.02em; color: var(--lyncc-yellow); line-height: 1; }
.phero-stats .d { font-size: 13px; color: var(--fg-on-ink-2); margin-top: 10px; line-height: 1.5; }

/* ---------- ANIMATED DEMO ---------- */
.demo { background: var(--bg-paper); }
.demo-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 30px; flex-wrap: wrap; }
.demo-head .eyebrow { margin-bottom: 12px; }
.demo-play { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; color: var(--fg-3); }
.demo-play .pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 rgba(46,125,91,.5); animation: demopulse 1.8s infinite; }
@keyframes demopulse { 0%{box-shadow:0 0 0 0 rgba(46,125,91,.45)} 70%{box-shadow:0 0 0 7px rgba(46,125,91,0)} 100%{box-shadow:0 0 0 0 rgba(46,125,91,0)} }
@media (prefers-reduced-motion: reduce){ .demo-play .pulse-dot { animation: none; } }

.demo-stage { max-width: 1120px; margin: 0 auto; }
.demo-tabs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; margin-bottom: 16px; }
.demo-tab { position: relative; text-align: left; background: var(--bg-card); border: 1px solid var(--border-1); border-radius: var(--r-md); padding: 12px 14px; cursor: pointer; overflow: hidden; transition: border-color var(--dur) var(--ease-out); }
.demo-tab:hover { border-color: var(--border-2); }
.demo-tab .tn { font-family: var(--font-mono); font-size: 10px; letter-spacing: .1em; color: var(--fg-4); }
.demo-tab .tl { font-family: var(--font-display); font-weight: 600; font-size: 14px; margin-top: 4px; color: var(--fg-2); letter-spacing: -.01em; }
.demo-tab.active { border-color: var(--lyncc-ink); }
.demo-tab.active .tl { color: var(--fg-1); }
.demo-tab .tprog { position: absolute; left: 0; bottom: 0; height: 3px; width: 0; background: var(--lyncc-yellow); }
.demo-tab.active .tprog { width: 100%; transition: width 4s linear; }

.demo-views { position: relative; }
.pv { display: none; }
.pv.active { display: block; animation: pvin .42s var(--ease-out); }
@keyframes pvin { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce){ .pv.active { animation: none; } }

/* demo dash-main view bodies */
.pv-head { display: flex; align-items: center; margin-bottom: 18px; }
.pv-head h4 { font-family: var(--font-display); font-weight: 600; font-size: 18px; margin: 0; letter-spacing: -.01em; }
.pv-head .sub { font-size: 12.5px; color: var(--fg-3); margin-top: 2px; }
.pv-head .pill { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 11px; padding: 5px 11px; border-radius: var(--r-pill); }
.pill-ok { color: var(--ok); background: rgba(46,125,91,.1); border: 1px solid rgba(46,125,91,.25); }
.pill-go { color: var(--lyncc-yellow-700); background: var(--lyncc-yellow-100); border: 1px solid var(--lyncc-yellow-300); }

/* quantity view: bars */
.qbars { display: flex; align-items: flex-end; gap: 16px; height: 150px; padding: 14px 4px 0; border-bottom: 1px solid var(--border-1); }
.qbar { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 8px; height: 100%; justify-content: flex-end; }
.qbar .bar { width: 100%; max-width: 46px; background: var(--lyncc-yellow); border-radius: 6px 6px 0 0; }
.qbar .bar.dim { background: var(--n-200); }
.qbar .ql { font-family: var(--font-mono); font-size: 10px; color: var(--fg-3); }
.qmeta { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 16px; }

/* generic data table */
.dtable { width: 100%; border-collapse: collapse; }
.dtable th { text-align: left; font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--fg-4); padding: 0 0 10px; border-bottom: 1px solid var(--border-1); }
.dtable td { padding: 12px 0; border-bottom: 1px solid var(--border-1); font-size: 13.5px; color: var(--fg-2); }
.dtable td b { color: var(--fg-1); font-weight: 600; }
.dtable .ok { color: var(--ok); font-weight: 600; }
.dtable tr:last-child td { border-bottom: none; }

/* doc / list rows */
.doclist { display: flex; flex-direction: column; gap: 10px; }
.docrow { display: flex; align-items: center; gap: 12px; padding: 13px 14px; border: 1px solid var(--border-1); border-radius: var(--r-md); background: var(--bg-card); }
.docrow .dic { width: 32px; height: 32px; border-radius: 8px; background: var(--bg-sunken); display: grid; place-items: center; color: var(--fg-1); flex: none; }
.docrow .dic svg { width: 16px; height: 16px; }
.docrow .dt { flex: 1; }
.docrow .dt b { display: block; font-size: 13.5px; font-weight: 600; color: var(--fg-1); }
.docrow .dt span { font-family: var(--font-mono); font-size: 10.5px; color: var(--fg-3); }
.docrow .chk { width: 22px; height: 22px; border-radius: 50%; background: var(--ok); color: #fff; display: grid; place-items: center; }
.docrow .chk svg { width: 13px; height: 13px; }

/* testing gauges */
.gauges { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 16px; }
.gauge { border: 1px solid var(--border-1); border-radius: var(--r-md); padding: 16px; background: var(--bg-card); }
.gauge .gk { font-family: var(--font-mono); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; color: var(--fg-3); }
.gauge .gv { font-family: var(--font-display); font-weight: 600; font-size: 26px; margin: 8px 0; letter-spacing: -.02em; }
.gauge .gtrack { height: 6px; border-radius: 3px; background: var(--n-150); overflow: hidden; }
.gauge .gfill { height: 100%; background: var(--ok); border-radius: 3px; }
.gauge .gnote { font-size: 11px; color: var(--ok); margin-top: 8px; font-weight: 600; }

/* logistics route */
.route { display: flex; align-items: center; gap: 0; padding: 8px 0 20px; }
.route .stop { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; flex: none; width: 110px; }
.route .stop .rn { width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--border-2); background: var(--bg-card); display: grid; place-items: center; color: var(--fg-4); }
.route .stop .rn svg { width: 13px; height: 13px; }
.route .stop.done .rn { background: var(--lyncc-yellow); border-color: var(--lyncc-yellow); color: var(--lyncc-ink); }
.route .stop.cur .rn { background: var(--lyncc-ink); border-color: var(--lyncc-ink); color: var(--lyncc-yellow); }
.route .stop .rl { font-size: 11px; font-weight: 600; color: var(--fg-2); }
.route .stop .rw { font-family: var(--font-mono); font-size: 9px; color: var(--fg-4); }
.route .seg { flex: 1; height: 2px; background: var(--border-2); position: relative; }
.route .seg.done { background: var(--lyncc-yellow); }

/* compliance checklist */
.cchecks { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ccheck { display: flex; align-items: center; gap: 11px; padding: 12px 14px; border: 1px solid var(--border-1); border-radius: var(--r-md); background: var(--bg-card); }
.ccheck .ci { width: 22px; height: 22px; border-radius: 50%; background: var(--ok); color: #fff; display: grid; place-items: center; flex: none; }
.ccheck .ci svg { width: 13px; height: 13px; }
.ccheck b { font-size: 13px; font-weight: 600; color: var(--fg-1); display: block; }
.ccheck span { font-family: var(--font-mono); font-size: 10px; color: var(--fg-3); }

.demo-cap { text-align: center; font-size: 14px; color: var(--fg-3); margin: 26px auto 0; max-width: 600px; }

/* ---------- MOBILE NOTE ---------- */
.mnote { background: var(--lyncc-ink); color: var(--fg-on-ink); }
.mnote-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: center; }
.mnote .h2 { color: var(--fg-on-ink); }
.mnote-phone { display: flex; justify-content: center; }
.mphone { width: 230px; aspect-ratio: 230/470; background: #0b0b0b; border-radius: 36px; padding: 9px; box-shadow: 0 30px 70px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.10), inset 0 0 0 1px rgba(255,255,255,.05); }
.mphone-screen { width: 100%; height: 100%; border-radius: 28px; overflow: hidden; background: var(--bg-paper); position: relative; display: flex; flex-direction: column; padding: 30px 16px 16px; }
.mphone .ptime { font-family: var(--font-mono); font-size: 10px; color: var(--fg-3); text-align: center; margin-bottom: 18px; }
.mphone .palert { background: var(--bg-card); border: 1px solid var(--border-1); border-radius: var(--r-md); padding: 13px; margin-bottom: 10px; display: flex; gap: 10px; align-items: flex-start; box-shadow: var(--sh-sm); }
.mphone .palert .pi { width: 28px; height: 28px; border-radius: 8px; background: var(--lyncc-yellow); color: var(--lyncc-ink); display: grid; place-items: center; flex: none; }
.mphone .palert .pi svg { width: 15px; height: 15px; }
.mphone .palert b { font-size: 12px; color: var(--fg-1); display: block; }
.mphone .palert span { font-family: var(--font-mono); font-size: 9.5px; color: var(--fg-3); }

/* ---------- FEATURE CARDS ---------- */
.pfeat { background: var(--bg-paper); }
.pfeat-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.pfeat-card { background: var(--bg-card); border: 1px solid var(--border-1); border-radius: var(--r-lg); padding: 28px; grid-column: span 2; display: flex; flex-direction: column; transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out); }
.pfeat-card:hover { transform: translateY(-3px); box-shadow: var(--sh-md); border-color: var(--border-2); }
.pfeat-card.wide { grid-column: span 3; }
.pfeat-num { font-family: var(--font-mono); font-size: 12px; color: var(--fg-4); letter-spacing: .1em; }
.pfeat-ico { width: 44px; height: 44px; border-radius: var(--r-md); background: var(--lyncc-yellow); color: var(--lyncc-ink); display: grid; place-items: center; margin: 18px 0; }
.pfeat-ico svg { width: 22px; height: 22px; }
.pfeat-card h3 { font-family: var(--font-display); font-weight: 600; font-size: 19px; letter-spacing: -.012em; margin: 0 0 10px; }
.pfeat-card p { font-size: 14.5px; line-height: 1.6; color: var(--fg-3); margin: 0; text-wrap: pretty; }

/* ---------- WORKFLOW STRIP ---------- */
.flow { background: var(--lyncc-ink); color: var(--fg-on-ink); }
.flow .h2 { color: var(--fg-on-ink); }
.flow-wrap { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: center; margin-top: 20px; }
.flow-list { display: flex; flex-direction: column; gap: 8px; }
.flow-step { display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: start; padding: 18px; border-radius: var(--r-md); border: 1px solid transparent; cursor: pointer; transition: background var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out); }
.flow-step:hover { background: var(--bg-ink-2); }
.flow-step.active { background: var(--bg-ink-2); border-color: var(--border-ink); }
.flow-step .idx { font-family: var(--font-mono); font-size: 13px; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--border-ink); display: grid; place-items: center; color: var(--fg-on-ink-2); transition: all var(--dur) var(--ease-out); }
.flow-step.active .idx { background: var(--lyncc-yellow); color: var(--lyncc-ink); border-color: var(--lyncc-yellow); }
.flow-step h4 { font-family: var(--font-display); font-weight: 600; font-size: 18px; margin: 4px 0 5px; letter-spacing: -.01em; color: var(--fg-on-ink); }
.flow-step p { font-size: 14px; line-height: 1.55; color: var(--fg-on-ink-2); margin: 0; max-height: 0; overflow: hidden; opacity: 0; transition: all var(--dur-slow) var(--ease-out); }
.flow-step.active p { max-height: 100px; opacity: 1; margin-top: 4px; }
.flow-visual { background: var(--bg-ink-2); border: 1px solid var(--border-ink); border-radius: var(--r-xl); padding: 40px; min-height: 380px; display: flex; flex-direction: column; justify-content: center; position: relative; overflow: hidden; }
.flow-visual .stage-eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; color: var(--lyncc-yellow); text-transform: uppercase; margin-bottom: 20px; }
.flow-visual h3 { font-family: var(--font-display); color: var(--fg-on-ink); font-size: 28px; font-weight: 600; letter-spacing: -.02em; margin: 0 0 16px; line-height: 1.1; }
.flow-visual .stage-body { color: var(--fg-on-ink-2); font-size: 15px; line-height: 1.6; max-width: 380px; }
.flow-doc { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 8px; }
.flow-doc .doc { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 11px; color: var(--fg-on-ink); background: var(--lyncc-ink); border: 1px solid var(--border-ink); border-radius: var(--r-sm); padding: 8px 12px; }
.flow-doc .doc svg { width: 13px; height: 13px; color: var(--lyncc-yellow); }
.flow-stagenum { position: absolute; right: 28px; bottom: 8px; font-family: var(--font-display); font-weight: 600; font-size: 120px; color: rgba(255,255,255,.04); line-height: 1; }

/* ---------- INTELLIGENCE LAYER (animated AI/IoT) ---------- */
.intel { background: var(--bg-paper); }
.intel-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.intel-card { background: var(--bg-card); border: 1px solid var(--border-1); border-radius: var(--r-lg); overflow: hidden; transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out); }
.intel-card:hover { transform: translateY(-3px); box-shadow: var(--sh-md); border-color: var(--border-2); }
.ic-viz { position: relative; height: 170px; background: var(--lyncc-ink); overflow: hidden; display: grid; place-items: center; }
.ic-meta { padding: 24px 26px 26px; }
.ic-tags { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.ic-tag { font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; padding: 4px 10px; border-radius: var(--r-pill); font-weight: 600; }
.ic-tag.live { color: var(--ok); background: rgba(46,125,91,.12); border: 1px solid rgba(46,125,91,.3); }
.ic-tag.pilot { color: var(--lyncc-yellow-700); background: var(--lyncc-yellow-100); border: 1px solid var(--lyncc-yellow-300); }
.ic-kind { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--fg-4); }
.ic-meta h3 { font-family: var(--font-display); font-weight: 600; font-size: 20px; letter-spacing: -.014em; margin: 0 0 9px; }
.ic-meta p { font-size: 14.5px; line-height: 1.6; color: var(--fg-3); margin: 0; text-wrap: pretty; }

/* viz: telemetry */
.viz-telemetry { padding: 22px 26px; }
.vt-rows { width: 100%; display: flex; flex-direction: column; gap: 11px; }
.vt-row { display: grid; grid-template-columns: 64px 1fr 56px; gap: 12px; align-items: center; }
.vt-k { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .08em; color: var(--fg-on-ink-2); }
.vt-v { font-family: var(--font-mono); font-size: 11px; color: var(--lyncc-yellow); text-align: right; }
.vt-bars { display: flex; gap: 3px; align-items: flex-end; height: 16px; }
.vt-bars i { flex: 1; background: rgba(255,213,0,.3); border-radius: 1px; height: 40%; }
.vt-row:nth-child(1) .vt-bars i { animation: eq 1.4s ease-in-out infinite; }
.vt-row:nth-child(2) .vt-bars i { animation: eq 1.7s ease-in-out infinite; }
.vt-row:nth-child(3) .vt-bars i { animation: eq 2.1s ease-in-out infinite; }
.vt-row:nth-child(4) .vt-bars i { animation: eq 1.9s ease-in-out infinite; }
.vt-bars i:nth-child(2){ animation-delay:.15s } .vt-bars i:nth-child(3){ animation-delay:.3s } .vt-bars i:nth-child(4){ animation-delay:.45s } .vt-bars i:nth-child(5){ animation-delay:.6s }
@keyframes eq { 0%,100%{ height:30%; background:rgba(255,213,0,.25) } 50%{ height:95%; background:var(--lyncc-yellow) } }
.vt-scan { position: absolute; left: 0; right: 0; top: 0; height: 2px; background: linear-gradient(90deg, transparent, rgba(255,213,0,.6), transparent); animation: scanY 3s linear infinite; }
@keyframes scanY { 0%{ transform: translateY(0) } 100%{ transform: translateY(170px) } }

/* viz: forecast */
.viz-forecast svg { width: 86%; height: 110px; }
.vf-grid { fill: none; stroke: var(--border-ink); stroke-width: 1; }
.vf-line { fill: none; stroke: var(--lyncc-yellow); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 520; stroke-dashoffset: 520; animation: draw 3s var(--ease-out) infinite; }
@keyframes draw { 0%{ stroke-dashoffset: 520 } 55%,100%{ stroke-dashoffset: 0 } }
.vf-pt { fill: var(--lyncc-yellow); opacity: 0; animation: ptin 3s var(--ease-out) infinite; }
@keyframes ptin { 0%,50%{ opacity:0 } 60%{ opacity:1 } 85%{ opacity:1 } 100%{ opacity:0 } }
.vf-badge, .vv-badge, .vg-badge { position: absolute; bottom: 14px; right: 16px; font-family: var(--font-mono); font-size: 10px; letter-spacing: .04em; color: var(--lyncc-ink); background: var(--lyncc-yellow); padding: 4px 10px; border-radius: var(--r-pill); }

/* viz: vision */
.viz-vision { padding: 20px; }
.vv-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; width: 100%; }
.vv-dot { aspect-ratio: 1; border-radius: 50%; background: rgba(255,255,255,.1); border: 1px solid var(--border-ink); }
.vv-dot.flag { background: var(--lyncc-yellow); border-color: var(--lyncc-yellow); animation: flagblink 1.6s ease-in-out infinite; }
@keyframes flagblink { 0%,100%{ box-shadow: 0 0 0 0 rgba(255,213,0,.5) } 50%{ box-shadow: 0 0 0 6px rgba(255,213,0,0) } }
.vv-scan { position: absolute; top: 0; bottom: 0; left: 0; width: 2px; background: linear-gradient(180deg, transparent, rgba(255,213,0,.6), transparent); animation: scanX 2.6s linear infinite; }
@keyframes scanX { 0%{ transform: translateX(0) } 100%{ transform: translateX(440px) } }

/* viz: geo */
.viz-geo { overflow: hidden; }
.vg-grid { position: absolute; inset: 0; background-image: linear-gradient(var(--border-ink) 1px, transparent 1px), linear-gradient(90deg, var(--border-ink) 1px, transparent 1px); background-size: 26px 26px; opacity: .5; }
.vg-pin { position: relative; display: grid; place-items: center; }
.vg-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--lyncc-yellow); border: 2px solid var(--lyncc-ink); z-index: 2; }
.vg-ring { position: absolute; width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--lyncc-yellow); animation: ring 2.4s ease-out infinite; }
.vg-ring.r2 { animation-delay: 1.2s; }
@keyframes ring { 0%{ transform: scale(1); opacity: .8 } 100%{ transform: scale(5.5); opacity: 0 } }

@media (prefers-reduced-motion: reduce){
  .vt-bars i, .vt-scan, .vf-line, .vf-pt, .vv-dot.flag, .vv-scan, .vg-ring { animation: none !important; }
  .vf-line { stroke-dashoffset: 0; } .vf-pt { opacity: 1; }
}

/* also in the lab */
.intel-lab { margin-top: 30px; display: flex; align-items: center; gap: 22px; flex-wrap: wrap; padding: 22px 26px; border: 1px dashed var(--border-2); border-radius: var(--r-lg); background: var(--bg-sunken); }
.lab-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-3); }
.lab-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.lab-chip { display: inline-flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 500; color: var(--fg-2); background: var(--bg-card); border: 1px solid var(--border-1); border-radius: var(--r-pill); padding: 8px 13px; }
.lab-chip .lc-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--lyncc-yellow-700); }
.lab-chip .lc-status { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .04em; text-transform: uppercase; color: var(--fg-4); padding-left: 9px; border-left: 1px solid var(--border-2); }

@media (max-width: 1000px){ .intel-grid { grid-template-columns: 1fr; } }

/* ---------- PLATFORM ARCHITECTURE (deep-tech backend diagram) ---------- */
.stack { background: var(--bg-paper); }
.stack-canvas { position: relative; background: var(--lyncc-ink); border: 1px solid var(--border-ink); border-radius: var(--r-xl); padding: 40px 36px; overflow: hidden; box-shadow: 0 40px 90px rgba(26,26,26,.12); }
.stack-canvas::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--border-ink) 1px, transparent 1px), linear-gradient(90deg, var(--border-ink) 1px, transparent 1px);
  background-size: 40px 40px; opacity: .4;
  -webkit-mask-image: radial-gradient(ellipse 85% 100% at 50% 50%, #000 35%, transparent 88%);
  mask-image: radial-gradient(ellipse 85% 100% at 50% 50%, #000 35%, transparent 88%); }
.stk-flow { position: relative; z-index: 1; display: flex; align-items: stretch; }
.stk-node { flex: 1 1 0; min-width: 0; background: var(--bg-ink-2); border: 1px solid var(--border-ink); border-radius: var(--r-lg); padding: 18px 18px 20px; display: flex; flex-direction: column; }
.stk-node.core { align-items: center; text-align: center; border-color: rgba(255,213,0,.40); box-shadow: 0 0 0 1px rgba(255,213,0,.16), 0 0 44px rgba(255,213,0,.10); }
.stk-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 14px; width: 100%; }
.stk-node.core .stk-top { justify-content: center; }
.stk-kind { font-family: var(--font-mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--fg-on-ink-2); }
.stk-tag { font-family: var(--font-mono); font-size: 9px; letter-spacing: .06em; text-transform: uppercase; padding: 3px 8px; border-radius: var(--r-pill); font-weight: 600; }
.stk-tag.live { color: var(--ok); background: rgba(46,125,91,.16); }
.stk-tag.ai { color: var(--lyncc-ink); background: var(--lyncc-yellow); }
.stk-tag.out { color: var(--fg-on-ink-2); border: 1px solid var(--border-ink); }
.stk-ico { width: 40px; height: 40px; border-radius: var(--r-md); background: rgba(255,213,0,.12); color: var(--lyncc-yellow); display: grid; place-items: center; margin-bottom: 14px; }
.stk-ico svg { width: 20px; height: 20px; }
.stk-node h4 { font-family: var(--font-display); font-weight: 600; font-size: 16px; color: var(--fg-on-ink); margin: 0 0 14px; letter-spacing: -.01em; }

/* rails + flowing packets */
.stk-rail { flex: 0 0 46px; align-self: center; position: relative; height: 2px; background: var(--border-ink); }
.stk-rail::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(255,213,0,.22), transparent); }
.stk-packet { position: absolute; top: 50%; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--lyncc-yellow); box-shadow: 0 0 9px rgba(255,213,0,.9); transform: translate(-50%,-50%); animation: stkflow 2.1s linear infinite; z-index: 2; }
@keyframes stkflow { 0%{ left: 0; opacity: 0 } 12%{ opacity: 1 } 88%{ opacity: 1 } 100%{ left: 100%; opacity: 0 } }

/* edge stream */
.stk-stream { display: flex; flex-direction: column; gap: 9px; margin-top: auto; }
.ss-row { display: grid; grid-template-columns: 26px 1fr auto; gap: 9px; align-items: center; }
.ss-k { font-family: var(--font-mono); font-size: 9px; letter-spacing: .05em; color: var(--fg-on-ink-2); }
.ss-v { font-family: var(--font-mono); font-size: 10px; color: var(--lyncc-yellow); }
.ss-bars { display: flex; gap: 2px; align-items: flex-end; height: 14px; }
.ss-bars i { flex: 1; background: rgba(255,213,0,.3); border-radius: 1px; height: 40%; animation: eq 1.6s ease-in-out infinite; }
.ss-row:nth-child(2) .ss-bars i { animation-duration: 1.9s; }
.ss-row:nth-child(3) .ss-bars i { animation-duration: 2.2s; }
.ss-bars i:nth-child(2){ animation-delay:.12s } .ss-bars i:nth-child(3){ animation-delay:.24s } .ss-bars i:nth-child(4){ animation-delay:.36s } .ss-bars i:nth-child(5){ animation-delay:.48s }

/* core hub */
.stk-hub { position: relative; width: 56px; height: 56px; display: grid; place-items: center; margin: 2px 0 14px; }
.hub-core { width: 42px; height: 42px; border-radius: 50%; background: var(--lyncc-yellow); color: var(--lyncc-ink); display: grid; place-items: center; z-index: 2; }
.hub-core svg { width: 21px; height: 21px; }
.hub-ring { position: absolute; width: 42px; height: 42px; border-radius: 50%; border: 2px solid var(--lyncc-yellow); animation: ring 2.4s ease-out infinite; }
.hub-ring.r2 { animation-delay: 1.2s; }
.stk-counter { display: flex; flex-direction: column; align-items: center; gap: 2px; margin-top: auto; }
.stk-counter b { font-family: var(--font-display); font-weight: 600; font-size: 24px; color: var(--lyncc-yellow); letter-spacing: -.02em; }
.stk-counter span { font-family: var(--font-mono); font-size: 10px; letter-spacing: .05em; color: var(--fg-on-ink-2); }

/* ai models */
.stk-models { display: flex; flex-direction: column; gap: 8px; margin-top: auto; }
.sm { display: flex; align-items: center; gap: 9px; font-size: 12px; color: var(--fg-on-ink); }
.sm-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--lyncc-yellow); flex: none; animation: flagblink 1.8s ease-in-out infinite; }
.sm:nth-child(2) .sm-dot{ animation-delay:.4s } .sm:nth-child(3) .sm-dot{ animation-delay:.8s } .sm:nth-child(4) .sm-dot{ animation-delay:1.2s }

/* app tiles */
.stk-tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-top: auto; }
.stk-tiles span { font-family: var(--font-mono); font-size: 10.5px; color: var(--fg-on-ink); background: var(--lyncc-ink); border: 1px solid var(--border-ink); border-radius: var(--r-sm); padding: 9px 8px; text-align: center; }

/* techstack spec strip */
.stack-specs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 24px; }
.sp-col { padding: 20px 4px 0; border-top: 2px solid var(--lyncc-ink); }
.sp-name { font-family: var(--font-display); font-weight: 600; font-size: 15px; color: var(--fg-1); display: block; margin-bottom: 13px; letter-spacing: -.01em; }
.sp-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.sp-col li { font-family: var(--font-mono); font-size: 11.5px; line-height: 1.45; color: var(--fg-3); padding-left: 16px; position: relative; }
.sp-col li::before { content: ""; position: absolute; left: 0; top: 6px; width: 6px; height: 6px; border-radius: 50%; background: var(--lyncc-yellow-700); }

@media (prefers-reduced-motion: reduce){
  .stk-packet, .ss-bars i, .hub-ring, .sm-dot { animation: none !important; }
  .stk-packet { opacity: .6; left: 50%; }
}
@media (max-width: 920px){
  .stk-flow { flex-direction: column; }
  .stk-node { width: 100%; }
  .stk-node.core { align-items: center; }
  .stk-rail { flex: 0 0 32px; width: 2px; height: 32px; align-self: center; }
  .stk-rail::after { background: linear-gradient(180deg, transparent, rgba(255,213,0,.22), transparent); }
  .stk-packet { left: 50%; top: 0; animation-name: stkflowY; }
  .stack-specs { grid-template-columns: 1fr 1fr; }
}
@keyframes stkflowY { 0%{ top: 0; opacity: 0 } 12%{ opacity: 1 } 88%{ opacity: 1 } 100%{ top: 100%; opacity: 0 } }
@media (max-width: 560px){ .stack-specs { grid-template-columns: 1fr; } }

.comp { background: var(--bg-paper); }
.comp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.comp-card { background: var(--bg-card); border: 1px solid var(--border-1); border-radius: var(--r-lg); padding: 26px; transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out); }
.comp-card:hover { transform: translateY(-2px); box-shadow: var(--sh-md); }
.comp-card .badge-ico { width: 46px; height: 46px; border-radius: var(--r-md); border: 1px solid var(--border-1); background: var(--bg-sunken); display: grid; place-items: center; color: var(--fg-1); margin-bottom: 18px; }
.comp-card .badge-ico svg { width: 22px; height: 22px; }
.comp-card .reg { font-family: var(--font-mono); font-size: 11px; color: var(--lyncc-yellow-700); letter-spacing: .04em; margin-bottom: 8px; }
.comp-card h4 { font-family: var(--font-display); font-weight: 600; font-size: 16.5px; margin: 0 0 8px; letter-spacing: -.01em; }
.comp-card p { font-size: 13.5px; line-height: 1.55; color: var(--fg-3); margin: 0; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1000px) {
  .phero-stats { grid-template-columns: 1fr; }
  .phero-stats .cell { border-right: none; border-bottom: 1px solid var(--border-ink); }
  .demo-tabs { grid-template-columns: repeat(3, 1fr); }
  .mnote-grid { grid-template-columns: 1fr; gap: 32px; }
  .pfeat-card, .pfeat-card.wide { grid-column: span 6; }
  .flow-wrap { grid-template-columns: 1fr; gap: 28px; }
  .comp-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .demo-tabs { grid-template-columns: repeat(2, 1fr); }
  .qbars { height: 120px; }
  .cchecks { grid-template-columns: 1fr; }
  .route { overflow-x: auto; }
  .dash { grid-template-columns: 1fr; }
  .dash-side { display: none; }
}