:root{--bg:#050610;--surface:#0a0d16;--panel:#10151f;--ink:#f4f5f6;--soft:#c5cbd2;--muted:#8f99a6;--gold:#d4af37;--pale:#f1e6a3;--orange:#f15a2b;--green:#39d99a;--amber:#f2c768;--red:#ff6971;--line:rgba(241,230,163,.16);--max:1200px;--radius:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(1100px 550px at 20% -10%,rgba(212,175,55,.13),transparent 60%),linear-gradient(180deg,var(--bg),#020309);color:var(--ink);font:16px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}a{color:inherit}.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;z-index:20;background:white;color:black;padding:10px}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.nav{position:sticky;top:0;z-index:10;background:rgba(5,6,16,.9);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.navin{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{text-decoration:none;font-weight:800;letter-spacing:.13em;color:var(--pale)}.links{display:flex;align-items:center;gap:18px}.links a{text-decoration:none;color:var(--muted);font-size:.9rem}.links a:hover,.links a[aria-current=page]{color:var(--pale)}.menu{display:none;background:none;border:1px solid var(--line);color:var(--pale);border-radius:10px;padding:8px 11px}.hero{padding:72px 0 42px}.heroGrid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:32px;align-items:end}.kicker,.chip{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:7px 11px;color:var(--pale);font-size:.73rem;text-transform:uppercase;letter-spacing:.1em}.hero h1{font-size:clamp(2.5rem,6vw,5.6rem);line-height:.98;letter-spacing:-.055em;margin:18px 0;max-width:870px}.hero h1 span{color:var(--gold)}.lead{font-size:1.15rem;color:var(--soft);max-width:760px}.heroCard,.card{background:linear-gradient(180deg,rgba(16,21,31,.96),rgba(7,10,17,.96));border:1px solid var(--line);border-radius:var(--radius);padding:22px}.heroCard b{color:var(--pale)}.heroCard p{color:var(--soft)}.choice{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:28px 0 8px}.choice a{border:1px solid var(--line);border-radius:18px;padding:18px;text-decoration:none;background:rgba(255,255,255,.02)}.choice a strong{display:block;color:var(--pale);margin-bottom:5px}.choice a.active{border-color:var(--gold);background:rgba(212,175,55,.08)}.choice a:hover{transform:translateY(-2px)}.mainGrid{display:grid;grid-template-columns:250px minmax(0,1fr);gap:30px;padding:20px 0 70px}.rail{position:sticky;top:94px;align-self:start}.rail ol{list-style:none;padding:0;margin:0}.rail button{width:100%;text-align:left;border:0;border-left:2px solid rgba(255,255,255,.1);background:none;color:var(--muted);padding:11px 14px;cursor:pointer}.rail button.active{color:var(--pale);border-color:var(--gold);background:linear-gradient(90deg,rgba(212,175,55,.09),transparent)}.rail small{display:block;margin-top:20px;color:var(--muted)}.stage{display:none}.stage.active{display:block;animation:up .25s ease}@keyframes up{from{opacity:.25;transform:translateY(5px)}to{opacity:1;transform:none}}.stage h2{font-size:clamp(1.8rem,3vw,3rem);line-height:1.1;margin:0 0 8px}.intro{color:var(--muted);max-width:720px;margin:0 0 24px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.grid3{grid-template-columns:repeat(3,minmax(0,1fr))}.card h3{margin:0 0 8px}.card p,.card li{color:var(--soft)}.card ul{padding-left:18px}.meta{padding-top:12px;margin-top:14px;border-top:1px solid rgba(255,255,255,.07);font-size:.82rem;color:var(--muted)}.label{display:inline-flex;border-radius:999px;padding:4px 8px;font-size:.7rem;letter-spacing:.07em;text-transform:uppercase;color:var(--green);background:rgba(57,217,154,.1);border:1px solid rgba(57,217,154,.2)}.label.open{color:var(--amber);background:rgba(242,199,104,.08);border-color:rgba(242,199,104,.2)}.callout{margin:20px 0;padding:18px 20px;border-left:3px solid var(--gold);border-radius:0 14px 14px 0;background:rgba(212,175,55,.07);color:var(--soft)}.callout b{color:var(--pale)}.question{font-size:clamp(1.5rem,4vw,2.8rem);font-weight:700;line-height:1.2;margin:12px 0}.field{width:100%;min-height:110px;resize:vertical;background:#050811;border:1px solid var(--line);color:var(--ink);padding:16px;border-radius:14px;font:inherit}.pills{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.pill{border:1px solid var(--line);color:var(--muted);background:#090d15;border-radius:999px;padding:8px 11px;cursor:pointer}.pill.selected{border-color:var(--gold);color:var(--pale);background:rgba(212,175,55,.09)}.meter{height:8px;background:#252c38;border-radius:99px;overflow:hidden;margin:10px 0}.meter i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--green))}.table{width:100%;border-collapse:collapse;background:rgba(10,13,22,.8);border:1px solid var(--line);border-radius:16px;overflow:hidden}.table th,.table td{text-align:left;padding:13px;border-bottom:1px solid rgba(255,255,255,.07);vertical-align:top}.table th{font-size:.75rem;text-transform:uppercase;letter-spacing:.07em;color:var(--pale)}.actions{display:flex;justify-content:space-between;gap:12px;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:999px;padding:11px 17px;background:#0a0e17;color:var(--pale);cursor:pointer;text-decoration:none}.btn.primary{background:var(--orange);border-color:var(--orange);color:white}.btn:disabled{opacity:.4}.result{white-space:pre-wrap;overflow:auto;background:#02050a;border:1px solid var(--line);border-radius:14px;padding:16px;color:#b9f2d7;max-height:380px}.disclaimer{color:var(--muted);font-size:.83rem}.footer{border-top:1px solid var(--line);padding:28px 0 50px;color:var(--muted)}.footer b{color:var(--pale)}
@media(max-width:880px){.heroGrid,.mainGrid,.grid,.grid3{grid-template-columns:1fr}.rail{position:static;overflow:auto}.rail ol{display:flex}.rail button{white-space:nowrap;border-left:0;border-bottom:2px solid rgba(255,255,255,.1)}.choice{grid-template-columns:1fr}.links{display:none;position:absolute;left:20px;right:20px;top:70px;background:#080b13;border:1px solid var(--line);border-radius:16px;padding:16px;flex-direction:column;align-items:flex-start}.links.open{display:flex}.menu{display:block}.table{display:block;overflow:auto}}
/* Interstellar immersion system */
.cosmos{position:relative;isolation:isolate;overflow:hidden}.cosmos>.stars{position:absolute;inset:0;width:100%;height:100%;z-index:-2;pointer-events:none}.cosmos::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(rgba(255,255,255,.016) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.016) 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(90deg,#000,rgba(0,0,0,.18))}.cosmos::after{content:"";position:absolute;width:720px;height:720px;right:-220px;top:-230px;border-radius:50%;z-index:-1;background:radial-gradient(circle,rgba(212,175,55,.10),rgba(93,115,255,.07) 40%,transparent 68%);filter:blur(16px);animation:cosmosDrift 16s ease-in-out infinite alternate}
.orbitVisual{position:relative;min-height:430px;display:grid;place-items:center}.orbitRing{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border-radius:50%}.orbitRing.r1{width:380px;height:380px;border:1px solid rgba(212,175,55,.20);animation:orbitSpin 34s linear infinite}.orbitRing.r2{width:300px;height:300px;border:1px dashed rgba(56,224,162,.23);animation:orbitSpinReverse 24s linear infinite}.orbitRing.r3{width:220px;height:220px;border:1px solid rgba(93,115,255,.24);animation:orbitSpin 18s linear infinite}.orbitSweep{position:absolute;left:50%;top:50%;width:330px;height:330px;transform:translate(-50%,-50%);border-radius:50%;background:conic-gradient(from 0deg,transparent 0 70%,rgba(212,175,55,.26) 84%,rgba(93,115,255,.10) 93%,transparent);mask-image:radial-gradient(circle,transparent 0 30%,#000 50% 100%);animation:orbitSpin 8s linear infinite}.orbitCore{position:absolute;width:116px;height:116px;border-radius:50%;display:grid;place-items:center;text-align:center;padding:16px;border:1px solid rgba(212,175,55,.48);background:radial-gradient(circle,rgba(241,230,163,.18),rgba(212,175,55,.05) 45%,rgba(2,4,11,.96) 72%);box-shadow:0 0 0 14px rgba(212,175,55,.025),0 0 64px rgba(212,175,55,.18);color:var(--pale);font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;animation:corePulse 3.4s ease-in-out infinite}.orbitNode{position:absolute;width:172px;padding:13px;border-radius:14px;background:linear-gradient(180deg,rgba(7,13,25,.93),rgba(3,6,13,.86));border:1px solid var(--line);box-shadow:0 18px 46px rgba(0,0,0,.36);font-size:.78rem;color:var(--muted);animation:nodeFloat 6s ease-in-out infinite}.orbitNode b{display:block;color:var(--ink);font-size:.7rem;text-transform:uppercase;letter-spacing:.07em;margin-bottom:4px}.orbitNode.n1{left:0;top:8%;border-color:rgba(56,224,162,.3)}.orbitNode.n2{right:0;top:15%;border-color:rgba(93,115,255,.34);animation-delay:-1.5s}.orbitNode.n3{left:5%;bottom:3%;border-color:rgba(243,90,42,.3);animation-delay:-2.6s}.orbitNode.n4{right:3%;bottom:1%;border-color:rgba(212,175,55,.34);animation-delay:-.8s}
.miniConsole{margin-top:18px;border:1px solid var(--line);border-radius:16px;background:rgba(3,6,12,.52);overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.32)}.miniConsoleHead{display:flex;justify-content:space-between;gap:12px;padding:11px 13px;border-bottom:1px solid var(--line);color:var(--pale);font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.miniConsoleHead span:last-child{color:var(--green)}.miniMetrics{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.06)}.miniMetric{background:#080c14;padding:12px}.miniMetric small{display:block;color:var(--muted);font-size:.65rem}.miniMetric b{display:block;margin-top:4px;color:var(--pale);font-size:.84rem}.telemetry{height:4px;background:linear-gradient(90deg,var(--gold),var(--green),var(--indigo,#5d73ff),var(--orange));background-size:200% 100%;animation:telemetry 4s linear infinite}
@keyframes orbitSpin{to{transform:translate(-50%,-50%) rotate(360deg)}}@keyframes orbitSpinReverse{to{transform:translate(-50%,-50%) rotate(-360deg)}}@keyframes cosmosDrift{to{transform:translate(-80px,90px) scale(1.05)}}@keyframes corePulse{50%{box-shadow:0 0 0 20px rgba(212,175,55,.02),0 0 86px rgba(212,175,55,.28)}}@keyframes nodeFloat{50%{transform:translateY(-8px)}}@keyframes telemetry{to{background-position:200% 0}}
@media(max-width:880px){.orbitVisual{min-height:500px}.orbitNode{width:145px}.orbitRing.r1{width:330px;height:330px}.orbitRing.r2{width:260px;height:260px}.miniMetrics{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.orbitRing,.orbitSweep,.orbitCore,.orbitNode,.cosmos::after,.telemetry{animation:none!important}}


/* RPO public specification — OpenProof visual system */
.rpo-home{font-family:Montserrat,Inter,ui-sans-serif,system-ui,sans-serif;background:#04050a}
.rpo-home h1,.rpo-home h2,.rpo-home h3,.rpo-home .brand,.rpo-home .section-index,.rpo-home .eyebrow,.rpo-home .version-line{font-family:Orbitron,Montserrat,sans-serif}
.brand-lockup{display:flex;align-items:center;gap:11px;letter-spacing:0;text-transform:none}
.brand-lockup img{width:36px;height:36px;border-radius:50%;filter:drop-shadow(0 0 12px rgba(212,175,55,.22))}
.brand-lockup span{display:flex;flex-direction:column;line-height:1.1}
.brand-lockup strong{font-size:.82rem;letter-spacing:.16em;color:var(--pale)}
.brand-lockup small{font:500 .52rem/1.2 Montserrat,sans-serif;letter-spacing:.13em;color:var(--muted);margin-top:4px}
.rpo-home .navin{display:grid;grid-template-columns:auto 1fr auto auto}
.rpo-home .links{justify-content:flex-end}
.rpo-home .links a{font-size:.76rem;text-transform:uppercase;letter-spacing:.08em}
.rpo-home .links .external-link{color:var(--pale)}
.language{display:flex;align-items:center;gap:6px;color:rgba(241,230,163,.32);font-size:.68rem}
.language button{border:0;background:none;color:var(--muted);font:600 .68rem Montserrat,sans-serif;padding:6px 2px;cursor:pointer}
.language button[aria-pressed=true]{color:var(--pale)}
.rpo-hero{min-height:calc(100vh - 70px);display:flex;align-items:center;padding:70px 0}
.rpo-hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(420px,.92fr);align-items:center;gap:46px}
.eyebrow,.section-index{font-size:.66rem;letter-spacing:.18em;color:var(--gold);text-transform:uppercase}
.rpo-copy h1{font-size:clamp(2.6rem,5.4vw,5.2rem);line-height:1.03;letter-spacing:-.025em;margin:22px 0;color:var(--ink);font-weight:600}
.rpo-lead{max-width:720px;color:var(--soft);font-size:clamp(1rem,1.45vw,1.18rem);line-height:1.75}
.rpo-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.rpo-home .btn{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;padding:13px 19px}
.rpo-home .btn.primary{background:linear-gradient(90deg,#c99532,#f1e6a3);border-color:rgba(241,230,163,.58);color:#090a0d}
.version-line{margin-top:34px;color:var(--muted);font-size:.58rem;letter-spacing:.12em;text-transform:uppercase}
.rpo-object{position:relative;aspect-ratio:1;max-width:540px;width:100%;margin:auto;display:grid;place-items:center}
.rpo-object::before{content:"";position:absolute;inset:12%;border-radius:50%;background:radial-gradient(circle,rgba(212,175,55,.10),rgba(75,90,170,.05) 40%,transparent 70%);filter:blur(18px)}
.rpo-orbit{position:absolute;border-radius:50%;border:1px solid rgba(212,175,55,.2)}
.orbit-a{width:86%;height:86%;animation:orbitSpin 38s linear infinite}
.orbit-b{width:66%;height:66%;border-style:dashed;border-color:rgba(241,230,163,.18);animation:orbitSpinReverse 28s linear infinite}
.orbit-c{width:46%;height:46%;border-color:rgba(93,115,255,.24);animation:orbitSpin 20s linear infinite}
.rpo-core{position:relative;z-index:2;width:172px;height:172px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:radial-gradient(circle at 42% 35%,rgba(241,230,163,.19),rgba(212,175,55,.05) 42%,rgba(3,5,10,.98) 72%);border:1px solid rgba(212,175,55,.48);box-shadow:0 0 0 18px rgba(212,175,55,.025),0 0 90px rgba(212,175,55,.17)}
.rpo-core img{width:48px;height:48px;border-radius:50%;margin-bottom:7px}
.rpo-core strong{font:600 1.25rem Orbitron,sans-serif;letter-spacing:.14em;color:var(--pale)}
.rpo-core span{font-size:.49rem;letter-spacing:.13em;color:var(--muted);margin-top:5px}
.rpo-signal{position:absolute;display:flex;align-items:center;gap:8px;color:var(--muted);font:600 .56rem Orbitron,sans-serif;letter-spacing:.1em}
.rpo-signal i{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 14px rgba(212,175,55,.6)}
.signal-source{top:9%;left:8%}.signal-structure{top:19%;right:0}.signal-reserve{bottom:13%;left:0}.signal-hash{right:5%;bottom:5%}
.rpo-definition,.rpo-anatomy,.rpo-paths{padding:110px 0;border-top:1px solid var(--line)}
.definition-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:start}
.rpo-home section h2{font-size:clamp(2rem,4.3vw,4.1rem);line-height:1.12;letter-spacing:-.02em;margin:18px 0 34px;font-weight:500}
.definition-copy{padding-top:18px}
.definition-copy>p{font-size:1.05rem;line-height:1.85;color:var(--soft)}
.definition-copy .boundary{margin-top:30px;padding:20px 0 20px 22px;border-left:2px solid var(--gold);color:var(--muted)}
.boundary strong{color:var(--pale)}
.rpo-anatomy{background:linear-gradient(180deg,rgba(255,255,255,.018),transparent)}
.anatomy-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.anatomy-grid article{padding:28px 24px 32px;border-right:1px solid var(--line)}
.anatomy-grid article:last-child{border-right:0}
.anatomy-grid article>span{color:var(--gold);font:600 .62rem Orbitron,sans-serif;letter-spacing:.1em}
.anatomy-grid h3{font-size:.87rem;letter-spacing:.04em;margin:24px 0 13px;color:var(--pale)}
.anatomy-grid p{color:var(--muted);font-size:.9rem;line-height:1.65;margin:0}
.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.path-grid>a{position:relative;min-height:320px;padding:26px;display:flex;flex-direction:column;text-decoration:none;border:1px solid var(--line);background:linear-gradient(180deg,rgba(16,21,31,.82),rgba(5,7,12,.88));transition:transform .25s ease,border-color .25s ease,background .25s ease}
.path-grid>a:hover{transform:translateY(-5px);border-color:rgba(212,175,55,.5);background:linear-gradient(180deg,rgba(27,27,31,.95),rgba(7,8,12,.95))}
.path-grid>a>span{color:var(--gold);font:600 .58rem Orbitron,sans-serif;letter-spacing:.14em}
.path-grid>a>strong{position:absolute;right:24px;top:19px;color:rgba(241,230,163,.16);font:500 2.6rem Orbitron,sans-serif}
.path-grid h3{margin:80px 0 12px;font-size:1.06rem;color:var(--pale)}
.path-grid p{color:var(--muted);font-size:.9rem}
.path-grid i{margin-top:auto;color:var(--pale);font-style:normal;font-size:.78rem;letter-spacing:.04em}
.architecture-line{padding:48px 0;border-block:1px solid var(--line);background:rgba(212,175,55,.025)}
.architecture-line .wrap{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:20px}
.architecture-line div div{display:flex;flex-direction:column;gap:6px}
.architecture-line span{font:600 .64rem Orbitron,sans-serif;letter-spacing:.12em;color:var(--gold)}
.architecture-line strong{font-size:.78rem;color:var(--soft);font-weight:500}
.architecture-line b{color:rgba(241,230,163,.28)}
.rpo-footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px}
.rpo-footer strong{font-family:Orbitron,sans-serif;letter-spacing:.08em}
.rpo-footer p{font-size:.78rem;margin:5px 0 0}
.footer-links{display:flex;gap:22px}
.footer-links a{font-size:.76rem;color:var(--soft);text-decoration:none}
.footer-links .linkedin-link{display:inline-flex;align-items:center;gap:7px}
.footer-links .linkedin-glyph{display:inline-grid;place-items:center;width:18px;height:18px;border:1px solid currentColor;border-radius:2px;font:700 10px/1 Montserrat,sans-serif;letter-spacing:-.03em;text-transform:none}
@media(max-width:980px){.rpo-home .navin{grid-template-columns:auto 1fr auto}.rpo-home .menu{justify-self:end}.rpo-home .language{grid-column:3}.rpo-home .links{justify-content:flex-start}.rpo-hero-grid,.definition-grid{grid-template-columns:1fr}.rpo-object{max-width:480px}.anatomy-grid{grid-template-columns:repeat(2,1fr)}.anatomy-grid article:nth-child(2){border-right:0}.anatomy-grid article:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:720px){.rpo-home .navin{grid-template-columns:1fr auto auto;gap:10px}.brand-lockup small{display:none}.rpo-hero{min-height:auto;padding:70px 0 40px}.rpo-hero-grid{gap:24px}.rpo-copy h1{font-size:2.55rem}.rpo-object{max-width:390px}.rpo-core{width:136px;height:136px}.rpo-signal{font-size:.48rem}.rpo-definition,.rpo-anatomy,.rpo-paths{padding:76px 0}.anatomy-grid,.path-grid{grid-template-columns:1fr}.anatomy-grid article{border-right:0;border-bottom:1px solid var(--line)!important}.anatomy-grid article:last-child{border-bottom:0!important}.path-grid>a{min-height:270px}.architecture-line .wrap{grid-template-columns:1fr}.architecture-line b{transform:rotate(90deg);justify-self:start}.rpo-footer .wrap{display:block}.footer-links{margin-top:24px;flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.rpo-orbit{animation:none!important}.path-grid>a{transition:none}}

/* RPO technical subpages */
.rpo-subpage{background:#04050a;color:var(--ink)}
.rpo-subpage .links a[aria-current=page]{color:var(--pale);border-bottom:1px solid var(--gold)}
.sub-hero{min-height:610px;display:flex;align-items:center;padding:110px 0 90px;border-bottom:1px solid var(--line)}
.sub-hero .wrap{position:relative;z-index:1}
.sub-hero h1{max-width:1040px;font:600 clamp(2.8rem,6.4vw,6.4rem)/1.02 Orbitron,sans-serif;letter-spacing:-.035em;margin:24px 0;color:var(--ink)}
.sub-lead{max-width:850px;color:var(--soft);font-size:1.05rem;line-height:1.8}
.sub-actions,.verify-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.object-summary,.object-inspection,.verify-workspace,.verify-method{padding:90px 0;border-bottom:1px solid var(--line)}
.summary-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:22px;border-block:1px solid var(--line)}
.summary-grid article{padding:22px;border-right:1px solid var(--line)}
.summary-grid article:last-child{border-right:0}
.summary-grid span,.workspace-head,.code-head{display:block;color:var(--muted);font:600 .58rem Orbitron,sans-serif;letter-spacing:.12em}
.summary-grid strong{display:block;margin-top:12px;color:var(--pale);font:500 .72rem/1.5 Montserrat,sans-serif}
.summary-grid .status-ok{color:var(--green)}
.inspection-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(460px,1.2fr);gap:60px;align-items:start}
.rpo-subpage h2{font:500 clamp(2rem,4vw,3.8rem)/1.12 Orbitron,sans-serif;letter-spacing:-.02em;margin:18px 0 35px}
.inspection-list article{display:grid;grid-template-columns:45px 1fr;gap:15px;padding:18px 0;border-top:1px solid var(--line)}
.inspection-list article>b,.method-grid article>b{color:var(--gold);font:600 .6rem Orbitron,sans-serif}
.inspection-list h3,.method-grid h3{font:600 .78rem Orbitron,sans-serif;letter-spacing:.07em;margin:0 0 7px;color:var(--pale)}
.inspection-list p,.method-grid p{margin:0;color:var(--muted);font-size:.88rem;line-height:1.6}
.code-panel,.verify-input,.verify-output{border:1px solid var(--line);background:linear-gradient(180deg,rgba(14,19,29,.92),rgba(4,6,11,.96));box-shadow:0 24px 70px rgba(0,0,0,.3)}
.code-head,.workspace-head{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;border-bottom:1px solid var(--line)}
.code-head button,.workspace-head button{border:0;background:none;color:var(--pale);font:600 .58rem Orbitron,sans-serif;letter-spacing:.1em;cursor:pointer}
.code-panel pre{min-height:610px;max-height:760px;overflow:auto;margin:0;padding:24px;color:#c6d0df;font:400 .78rem/1.75 ui-monospace,SFMono-Regular,Menlo,monospace;white-space:pre-wrap}
.essential-boundary{padding:44px 0;background:rgba(212,175,55,.035);border-bottom:1px solid var(--line)}
.essential-boundary p{max-width:1000px;margin:0;color:var(--soft);line-height:1.75}.essential-boundary strong{color:var(--pale)}
.verify-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:18px}
.verify-input,.verify-output{padding:0 22px 22px}
.verify-input .workspace-head{margin:0 -22px}
#rpoInput{display:block;width:100%;height:500px;margin-top:22px;resize:vertical;border:0;outline:1px solid var(--line);background:#020409;color:#c6d0df;padding:20px;font:400 .76rem/1.7 ui-monospace,SFMono-Regular,Menlo,monospace}
.local-note{color:var(--muted);font:600 .54rem Orbitron,sans-serif;letter-spacing:.12em;margin:20px 0 0}
.verify-output{padding-top:24px}
.verification-state{display:flex;align-items:center;gap:12px;margin:24px 0 28px;color:var(--muted);font:600 .74rem Orbitron,sans-serif;letter-spacing:.1em}
.verification-state i{width:11px;height:11px;border-radius:50%;background:var(--muted);box-shadow:0 0 18px currentColor}
.verification-state.success{color:var(--green)}.verification-state.success i{background:var(--green)}
.verification-state.warning{color:var(--gold)}.verification-state.warning i{background:var(--gold)}
.verification-state.failure{color:#ff7a7a}.verification-state.failure i{background:#ff7a7a}
.verify-output dl{margin:0;border-top:1px solid var(--line)}
.verify-output dl>div{padding:18px 0;border-bottom:1px solid var(--line)}
.verify-output dt{color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em}
.verify-output dd{margin:8px 0 0;color:var(--pale);font:500 .75rem/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;overflow-wrap:anywhere}
.hash-row dd{color:var(--gold)}
.report-boundary{margin-top:28px;padding:18px;border-left:2px solid var(--gold);background:rgba(212,175,55,.035)}
.report-boundary p{color:var(--muted);font-size:.8rem;line-height:1.65}.report-boundary strong{color:var(--pale)}
.method-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:24px;border-block:1px solid var(--line)}
.method-grid article{padding:25px;border-right:1px solid var(--line)}.method-grid article:last-child{border-right:0}
.method-grid h3{margin:28px 0 8px}
@media(max-width:980px){.summary-grid,.method-grid{grid-template-columns:repeat(2,1fr)}.summary-grid article:nth-child(2),.method-grid article:nth-child(2){border-right:0}.inspection-grid,.verify-grid{grid-template-columns:1fr}}
@media(max-width:720px){.sub-hero{min-height:auto;padding:82px 0 65px}.sub-hero h1{font-size:2.65rem}.object-summary,.object-inspection,.verify-workspace,.verify-method{padding:65px 0}.summary-grid,.method-grid{grid-template-columns:1fr}.summary-grid article,.method-grid article{border-right:0;border-bottom:1px solid var(--line)}.inspection-grid{gap:34px}.code-panel pre,#rpoInput{min-height:420px;height:420px}}

/* OpenProof 2026 — canonical brand system shared with openproof.net */
:root{
  --bg:#050709;
  --surface:#090d12;
  --panel:#0d1319;
  --ink:#f1ede4;
  --soft:#9da6aa;
  --muted:#70797d;
  --gold:#c49a58;
  --pale:#e1c38a;
  --orange:#9a6f5b;
  --green:#62b99c;
  --amber:#c49a58;
  --line:rgba(214,194,139,.17);
  --max:1240px;
  --radius:0;
}
body{
  background:radial-gradient(900px 680px at 82% 25%,rgba(175,133,72,.10),rgba(43,53,64,.08) 28%,transparent 67%),linear-gradient(180deg,var(--bg),#020406);
}
.rpo-home,.rpo-subpage{background:#050709;color:var(--ink)}
.menu,.heroCard,.card,.choice a,.field,.table,.result,.btn{border-radius:0}
.rail{top:110px}
.rail button.active{background:linear-gradient(90deg,rgba(196,154,88,.10),transparent)}

/* Header: same lockup, rhythm and edge-to-edge geometry as OpenProof. */
.nav{position:relative;top:auto;background:transparent;backdrop-filter:none;border-bottom:0}
.navin,
.rpo-home .navin{
  width:auto;
  min-height:92px;
  margin:0 4.5vw;
  padding:0;
  border-bottom:1px solid rgba(214,194,139,.17);
}
.brand-lockup{gap:15px}
.brand-lockup img{
  width:42px;
  height:42px;
  padding:4px;
  border-radius:0;
  background:radial-gradient(circle,rgba(199,169,107,.09) 0,transparent 68%);
  filter:drop-shadow(0 0 9px rgba(195,156,81,.27));
}
.brand-lockup strong{font:600 15px/1 Orbitron,Montserrat,sans-serif;letter-spacing:4.6px;color:var(--ink)}
.brand-lockup small{margin-top:7px;color:#7f898d;font:500 7px/1.2 Montserrat,sans-serif;letter-spacing:2.2px}
.rpo-home .links{gap:34px}
.rpo-home .links a{color:#9ca3a4;font:700 8px/1.2 Montserrat,sans-serif;letter-spacing:1.6px}
.rpo-home .links a:hover,.rpo-home .links a[aria-current=page]{color:var(--pale)}
.rpo-home .links .external-link{
  color:#080a0c;
  background:#c7a460;
  border:1px solid #c5a460;
  padding:13px 17px;
}
.rpo-home .links .external-link:hover{color:#080a0c;background:#e0c183;border-color:#e0c183}
.language{gap:7px;color:rgba(208,178,125,.42);font:600 9px/1 Orbitron,sans-serif;letter-spacing:1px}
.language a{border:0;background:none;color:rgba(220,224,218,.48);font:inherit;padding:8px 2px;text-decoration:none}
.language a:hover,.language a[aria-current=page]{color:#d9b36f;text-shadow:0 0 15px rgba(217,179,111,.34)}
.language button{display:none}

/* Spatial field: stars and broad orbital arcs, without the competing square grid. */
.cosmos::before{
  background:
    radial-gradient(ellipse 78% 48% at 100% 46%,transparent 0 66.5%,rgba(197,176,125,.15) 66.7% 66.85%,transparent 67.05%),
    radial-gradient(ellipse 91% 57% at 100% 46%,transparent 0 69%,rgba(197,176,125,.11) 69.2% 69.32%,transparent 69.5%),
    radial-gradient(ellipse 106% 67% at 100% 46%,transparent 0 71%,rgba(197,176,125,.08) 71.2% 71.3%,transparent 71.5%);
  background-size:auto;
  mask-image:none;
}
.cosmos::after{width:720px;height:720px;right:-90px;top:40px;background:radial-gradient(circle,rgba(175,133,72,.09),rgba(43,53,64,.14) 25%,transparent 67%);filter:blur(6px)}

/* First viewport: exact OpenProof proportions and typographic hierarchy. */
.rpo-hero{min-height:790px;padding:0;align-items:stretch}
.rpo-hero-grid{
  width:100%;
  min-height:790px;
  margin:0;
  padding:92px 6vw 112px;
  grid-template-columns:minmax(550px,1fr) minmax(520px,.82fr);
  gap:4vw;
}
.eyebrow,.section-index{color:var(--gold);font-size:7px;letter-spacing:2.2px}
.rpo-copy h1{
  max-width:820px;
  margin:23px 0 31px;
  color:#ece8df;
  font:500 clamp(51px,5.2vw,78px)/.98 Orbitron,Montserrat,sans-serif;
  letter-spacing:-.035em;
  text-transform:uppercase;
  text-shadow:0 4px 35px #000;
}
.rpo-copy h1 span{color:inherit}
.rpo-lead{max-width:630px;color:#9ca4a5;font-size:14px;line-height:1.85;letter-spacing:.15px}
.rpo-actions{margin-top:38px;gap:28px}
.rpo-home .btn{min-height:48px;padding:15px 21px;color:#aeb4b4;background:transparent;border:1px solid #596064;font:700 8px/1.2 Montserrat,sans-serif;letter-spacing:1.35px}
.rpo-home .btn:hover{border-color:#dec083;color:#dec083}
.rpo-home .btn.primary{background:linear-gradient(110deg,#ad8747,#dfc17e);border-color:#d0b06b;color:#0a0c0e}
.rpo-home .btn.primary:hover{background:linear-gradient(110deg,#c49d59,#eed397);color:#0a0c0e}
.version-line{margin-top:43px;padding-top:20px;border-top:1px solid rgba(105,113,118,.27);color:#70797c;font-size:7px;letter-spacing:1.25px}
.rpo-object{max-width:570px;min-height:570px}
.rpo-object::before{inset:13%;background:radial-gradient(circle,rgba(214,179,106,.09),rgba(100,117,128,.05) 30%,transparent 68%);filter:blur(2px)}
.orbit-a{width:53%;height:53%;border-color:rgba(172,154,112,.26)}
.orbit-b{width:76%;height:76%;border-style:solid;border-color:rgba(172,154,112,.20)}
.orbit-c{width:97%;height:97%;border-color:rgba(133,150,156,.14)}
.rpo-core{width:170px;height:170px;background:radial-gradient(circle at 48% 42%,#283038,#0a0e12 63%);border-color:#d8bc7b;box-shadow:inset 0 0 45px rgba(210,174,96,.15),0 0 70px rgba(177,140,70,.12),0 0 0 12px rgba(185,155,92,.04)}
.rpo-core img{width:38px;height:38px;margin-bottom:5px}
.rpo-core strong{color:#e2c98e}
.rpo-signal{color:#70797d;font-size:7px;letter-spacing:1.35px}
.rpo-signal i{width:5px;height:5px;background:#c7a65f;box-shadow:0 0 10px #d5af60}

/* Shared lower-page components. */
.rpo-definition,.rpo-anatomy,.rpo-paths{border-color:var(--line);background:#080b0f}
.rpo-anatomy{background:#0d1217}
.rpo-home section h2{color:#ece8df;font-family:Orbitron,Montserrat,sans-serif;font-weight:500}
.definition-copy>p,.definition-copy .boundary{color:#9da6aa}
.path-grid>a{border-color:var(--line);background:linear-gradient(180deg,rgba(13,19,25,.94),rgba(5,8,11,.96))}
.path-grid>a:hover{border-color:rgba(196,154,88,.52);background:#121820}
.architecture-line{background:#0d1217;border-color:var(--line)}
.footer{background:#040608;border-color:rgba(185,154,90,.19)}

/* Founder page: public evidence signals validated alongside the product architecture. */
.founder-proof{padding:105px 0;background:#080b0f;border-bottom:1px solid var(--line)}
.founder-proof h2{max-width:950px;margin:16px 0 22px;font-size:clamp(2rem,4vw,4rem);line-height:1.12;letter-spacing:-.025em}
.founder-proof-intro{max-width:850px;margin:0 0 52px;color:var(--soft);font-size:1rem;line-height:1.85}
.founder-proof-grid{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--line)}
.founder-proof-card{display:flex;min-height:300px;flex-direction:column;padding:34px 30px 30px;border-right:1px solid var(--line)}
.founder-proof-card:last-child{border-right:0}
.founder-proof-number{color:var(--gold);font:600 .62rem Orbitron,sans-serif;letter-spacing:.13em}
.founder-proof-card h3{margin:30px 0 17px;color:var(--pale);font:600 1rem/1.45 Orbitron,Montserrat,sans-serif;letter-spacing:.035em}
.founder-proof-card p{margin:0 0 28px;color:var(--muted);font-size:.9rem;line-height:1.75}
.founder-proof-card a{align-self:flex-start;margin-top:auto;padding-bottom:7px;border-bottom:1px solid rgba(225,195,138,.55);color:var(--pale);font:600 .58rem/1.45 Orbitron,Montserrat,sans-serif;letter-spacing:.1em;text-decoration:none}
.founder-proof-card a:hover{color:#f0d59a;border-color:#f0d59a}

/* The technical pages use the same header and spatial language. */
.sub-hero{min-height:690px;padding:100px 6vw 90px}
.sub-hero>.wrap{width:100%;max-width:none}
.sub-hero h1{max-width:1040px;color:#ece8df;font:500 clamp(51px,5.2vw,78px)/.98 Orbitron,Montserrat,sans-serif;letter-spacing:-.035em;text-transform:uppercase}

@media(max-width:1050px){
  .rpo-hero-grid{grid-template-columns:1fr;padding-top:72px}
  .rpo-object{width:min(680px,100%);min-height:620px;margin:-35px auto 0}
}
@media(max-width:980px){
  .rpo-home .navin{grid-template-columns:auto 1fr auto}
  .rpo-home .links{justify-content:flex-start}
  .founder-proof-grid{grid-template-columns:1fr}
  .founder-proof-card{min-height:auto;border-right:0;border-bottom:1px solid var(--line)}
  .founder-proof-card:last-child{border-bottom:0}
}
@media(max-width:880px){
  .links{top:92px;background:#070b0c;border-radius:0}
  .rpo-home .links .external-link{display:inline-flex}
}
@media(max-width:720px){
  .navin,.rpo-home .navin{margin:0 20px;grid-template-columns:1fr auto auto;gap:10px}
  .brand-lockup strong{font-size:12px;letter-spacing:3px}
  .brand-lockup small{display:none}
  .rpo-hero{min-height:auto}
  .rpo-hero-grid{min-height:auto;padding:65px 22px 80px;display:block}
  .rpo-copy h1{font-size:43px;letter-spacing:-.035em}
  .rpo-object{min-height:450px;width:124%;margin:-5px -12% -20px;transform:scale(.83)}
  .sub-hero{min-height:auto;padding:72px 22px 65px}
  .sub-hero h1{font-size:43px}
  .founder-proof{padding:75px 0}
  .founder-proof-intro{margin-bottom:38px}
}