/* Genesis P49-P56 — Home + Engineering authority completion */
:root{--p56-ink:#13201f;--p56-muted:#5d6d6a;--p56-line:rgba(17,56,52,.14);--p56-surface:#fff;--p56-soft:#f4f8f7;--p56-deep:#0d2926;--p56-deep2:#123a35;--p56-accent:#c68a2e;--p56-green:#0f756a}
html.dark{--p56-ink:#f3f7f6;--p56-muted:#b7c6c3;--p56-line:rgba(255,255,255,.12);--p56-surface:#102a27;--p56-soft:#0b211f;--p56-deep:#061815;--p56-deep2:#0d2f2b}
.p56-shell{width:min(1180px,calc(100% - 40px));margin-inline:auto}.p56-local-nav{position:sticky;top:var(--p19-header-height,76px);z-index:34;background:color-mix(in srgb,var(--p56-surface) 92%,transparent);border-block:1px solid var(--p56-line);backdrop-filter:blur(18px)}.p56-local-nav .p56-shell{display:flex;gap:8px;overflow:auto;padding-block:10px;scrollbar-width:none;position:relative}.p56-local-nav .p56-shell::-webkit-scrollbar{display:none}.p56-local-nav a{flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid transparent;border-radius:999px;color:var(--p56-muted);font-size:.78rem;font-weight:750;text-decoration:none;white-space:nowrap}.p56-local-nav a span{font-size:.66rem;letter-spacing:.08em;color:var(--p56-accent)}.p56-local-nav a:hover,.p56-local-nav a:focus-visible,.p56-local-nav a.is-active{color:var(--p56-ink);border-color:var(--p56-line);background:var(--p56-soft)}.p56-progress{position:absolute;inset-inline:0;bottom:0;height:2px;background:transparent}.p56-progress i{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--p56-green),var(--p56-accent));transition:width .16s linear}
.p56-heading{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.75fr);gap:48px;align-items:end;margin-bottom:34px}.p56-heading h2{margin:.4rem 0 0;color:var(--p56-ink);font-size:clamp(2rem,4vw,4.25rem);line-height:.98;letter-spacing:-.045em}.font-arabic .p56-heading h2{line-height:1.15;letter-spacing:0}.p56-heading>p{margin:0;color:var(--p56-muted);font-size:1.02rem;line-height:1.8}.p56-kicker{display:block;color:var(--p56-green);font-size:.72rem;font-weight:850;letter-spacing:.16em;text-transform:uppercase}.p56-boundary{margin-top:28px;padding:20px 22px;border:1px solid rgba(198,138,46,.35);border-radius:20px;background:color-mix(in srgb,var(--p56-accent) 7%,var(--p56-surface));display:grid;grid-template-columns:180px 1fr;gap:22px}.p56-boundary strong{color:var(--p56-accent);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase}.p56-boundary p{margin:0;color:var(--p56-ink);line-height:1.7}
.p49-ecosystem,.p50-chain,.p51-proof-section,.p52-scenarios,.p53-interface,.p54-evidence{padding:clamp(70px,8vw,118px) 0;scroll-margin-top:150px}.p49-ecosystem,.p53-interface{background:var(--p56-surface)}.p50-chain,.p54-evidence{background:var(--p56-soft)}.p51-proof-section,.p52-scenarios{background:linear-gradient(145deg,var(--p56-deep),var(--p56-deep2));color:#fff}.p51-proof-section .p56-heading h2,.p52-scenarios .p56-heading h2{color:#fff}.p51-proof-section .p56-heading>p,.p52-scenarios .p56-heading>p{color:rgba(255,255,255,.72)}.p51-proof-section .p56-kicker,.p52-scenarios .p56-kicker{color:#e0b15f}
.p49-route-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.p49-route{position:relative;display:flex;flex-direction:column;min-height:330px;padding:24px;border:1px solid var(--p56-line);border-radius:24px;background:var(--p56-surface);overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}.p49-route:before{content:"";position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,var(--p56-green),var(--p56-accent));transform:scaleX(.18);transform-origin:inline-start;transition:transform .25s ease}.p49-route:hover{transform:translateY(-5px);border-color:rgba(15,117,106,.35);box-shadow:0 24px 55px rgba(8,40,36,.1)}.p49-route:hover:before{transform:scaleX(1)}.p49-route .p49-no{font-size:2rem;color:color-mix(in srgb,var(--p56-green) 42%,transparent);font-weight:300}.p49-route small{margin-top:36px;color:var(--p56-accent);font-weight:850;letter-spacing:.12em}.p49-route h3{margin:10px 0;color:var(--p56-ink);font-size:1.45rem}.p49-route p{margin:0;color:var(--p56-muted);line-height:1.65}.p49-route a{margin-top:auto;padding-top:22px;color:var(--p56-green);font-weight:800;text-decoration:none;display:flex;justify-content:space-between;align-items:center}
.p50-step-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border:1px solid var(--p56-line);border-radius:26px;overflow:hidden;background:var(--p56-surface)}.p50-step{position:relative;padding:24px 20px;min-height:240px;border-inline-end:1px solid var(--p56-line)}.p50-step:last-child{border-inline-end:0}.p50-step>span{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--p56-deep);color:#fff;font-weight:800;font-size:.76rem}.p50-step h3{margin:40px 0 8px;color:var(--p56-ink);font-size:1.2rem}.p50-step p{margin:0;color:var(--p56-muted);line-height:1.65;font-size:.92rem}.p50-step:not(:last-child):after{content:"→";position:absolute;inset-inline-end:-12px;top:34px;z-index:2;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--p56-accent);color:#fff;font-size:.75rem}.font-arabic .p50-step:not(:last-child):after{content:"←"}
.p51-proof-grid,.p54-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.p51-proof{padding:26px;border:1px solid rgba(255,255,255,.13);border-radius:22px;background:rgba(255,255,255,.055)}.p51-proof small,.p54-grid small{display:block;color:#e0b15f;font-size:.72rem;font-weight:850;letter-spacing:.12em}.p51-proof strong,.p54-grid strong{display:block;margin:28px 0 8px;font-size:1.15rem;color:#fff}.p51-proof p{margin:0;color:rgba(255,255,255,.7);line-height:1.7}.p54-grid article{padding:24px;border:1px solid var(--p56-line);border-radius:22px;background:var(--p56-surface)}.p54-grid small{color:var(--p56-green)}.p54-grid strong{color:var(--p56-ink)}.p54-grid p{color:var(--p56-muted);line-height:1.7;margin:0}
.p52-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}.p52-tabs button{appearance:none;text-align:start;padding:18px;border:1px solid rgba(255,255,255,.13);border-radius:18px;background:rgba(255,255,255,.05);color:#fff;cursor:pointer}.p52-tabs button strong,.p52-tabs button span{display:block}.p52-tabs button strong{font-size:1rem}.p52-tabs button span{margin-top:5px;color:rgba(255,255,255,.6);font-size:.82rem;line-height:1.45}.p52-tabs button[aria-selected=true]{border-color:rgba(224,177,95,.7);background:rgba(224,177,95,.12)}.p52-chain{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border:1px solid rgba(255,255,255,.13);border-radius:24px;overflow:hidden;background:rgba(0,0,0,.12)}.p52-chain article{position:relative;min-height:250px;padding:22px;border-inline-end:1px solid rgba(255,255,255,.1)}.p52-chain article:last-child{border-inline-end:0}.p52-chain article>span{color:#e0b15f;font-size:1.35rem}.p52-chain small{display:block;margin-top:44px;color:rgba(255,255,255,.5);font-size:.68rem;font-weight:850;letter-spacing:.13em}.p52-chain p{margin:10px 0 0;color:#fff;line-height:1.7;font-size:.9rem}.p52-panel[hidden]{display:none}.p52-scenarios .p56-boundary{background:rgba(224,177,95,.1);border-color:rgba(224,177,95,.35)}.p52-scenarios .p56-boundary p{color:#fff}
.p53-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.p53-grid article{padding:23px;border:1px solid var(--p56-line);border-radius:22px;background:var(--p56-soft)}.p53-grid article>span{color:var(--p56-accent);font-size:1.7rem;font-weight:300}.p53-grid h3{margin:22px 0;color:var(--p56-ink);font-size:1.2rem}.p53-grid dl{margin:0}.p53-grid dl div{padding:12px 0;border-top:1px solid var(--p56-line)}.p53-grid dt{color:var(--p56-green);font-size:.68rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.p53-grid dd{margin:5px 0 0;color:var(--p56-muted);line-height:1.5;font-size:.88rem}
.p49-home-authority .p26-section,.p52-engineering-authority .p28-section{scroll-margin-top:150px}.p56-frozen img{height:auto}.p56-frozen :focus-visible{outline:3px solid color-mix(in srgb,var(--p56-accent) 78%,white);outline-offset:3px}
@media(max-width:1000px){.p49-route-grid,.p53-grid{grid-template-columns:repeat(2,1fr)}.p50-step-grid,.p52-chain{grid-template-columns:1fr}.p50-step,.p52-chain article{min-height:auto;border-inline-end:0;border-bottom:1px solid var(--p56-line)}.p50-step:last-child,.p52-chain article:last-child{border-bottom:0}.p50-step:not(:last-child):after{inset-inline-end:auto;inset-inline-start:30px;top:auto;bottom:-12px;content:"↓"}.font-arabic .p50-step:not(:last-child):after{content:"↓"}.p52-tabs{grid-template-columns:1fr 1fr 1fr}.p56-heading{grid-template-columns:1fr;gap:18px}.p56-boundary{grid-template-columns:1fr;gap:8px}}
@media(max-width:720px){.p56-shell{width:min(100% - 28px,1180px)}.p56-local-nav{top:68px}.p56-local-nav a{padding:7px 10px;font-size:.72rem}.p49-ecosystem,.p50-chain,.p51-proof-section,.p52-scenarios,.p53-interface,.p54-evidence{padding:62px 0}.p49-route-grid,.p51-proof-grid,.p54-grid,.p53-grid,.p52-tabs{grid-template-columns:1fr}.p49-route{min-height:270px}.p52-tabs button span{display:none}.p56-heading h2{font-size:clamp(2rem,11vw,3.1rem)}.p50-step h3{margin-top:24px}.p52-chain article{min-height:auto}.p52-chain small{margin-top:20px}}
@media(prefers-reduced-motion:reduce){.p49-route,.p49-route:before,.p56-progress i{transition:none!important}.p49-route:hover{transform:none}}