:root{--bg:#091018;--panel:#101a25;--panel2:#142231;--line:#26384a;--text:#eef6ff;--muted:#94a8bc;--accent:#63e6be;--accent2:#74c0fc;--danger:#ff8787;--warn:#ffd43b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit}.shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{padding:24px 18px;border-right:1px solid var(--line);background:#0b141e;display:flex;flex-direction:column;gap:16px}.brand{text-decoration:none;font-weight:800;font-size:22px}.tag,.small,.hint{font-size:13px;color:var(--muted)}nav{display:grid;gap:6px;flex:1}nav a{padding:11px 12px;text-decoration:none;border-radius:10px;color:#c7d6e5}nav a:hover{background:var(--panel2);color:#fff}main{padding:28px;max-width:1500px;width:100%}.top{display:flex;justify-content:space-between;align-items:end;margin-bottom:26px}.top h1{margin:3px 0 0;font-size:34px}.eyebrow,.kicker{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:800}.pill{padding:8px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:var(--muted)}.hero{display:grid;grid-template-columns:1fr 220px;gap:24px;background:linear-gradient(135deg,#112333,#0d1924);border:1px solid var(--line);border-radius:20px;padding:30px}.hero h2{font-size:36px;line-height:1.15;margin:8px 0}.hero p{color:var(--muted);max-width:800px}.score{display:flex;flex-direction:column;justify-content:center;align-items:center;border-left:1px solid var(--line)}.score strong{font-size:54px}.score small,.score span{color:var(--muted)}.actions{display:flex;gap:10px;flex-wrap:wrap}.primary,.ghost,.danger-btn,button{display:inline-block;border:0;border-radius:9px;padding:11px 16px;font-weight:750;text-decoration:none;cursor:pointer}.primary{background:var(--accent);color:#052018}.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}.danger-btn{background:#3a1619;color:#ffd8d8;border:1px solid #6d252b}.full{width:100%}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0}.metrics>div{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px}.metrics b{font-size:30px;display:block}.metrics span{color:var(--muted)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:18px}.panel h2,.panel h3{margin-top:5px}.accent{border-left:4px solid var(--accent)}.warning{border-left:4px solid var(--warn)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.section-head{display:flex;justify-content:space-between;align-items:center}.d2-wrap{overflow:auto}.d2-wrap svg{width:100%;min-width:760px}.d2-lines path{stroke:#526a80;stroke-width:3;fill:none;marker-end:url(#arrow);color:#526a80}.d2-node rect{fill:#132332;stroke:#46617a;stroke-width:2}.d2-node text{text-anchor:middle;fill:#eef6ff;font-weight:800;font-size:16px}.d2-node .sub{fill:#95a9bc;font-size:12px;font-weight:500}.lesson-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.lesson-card{display:flex;flex-direction:column;min-height:220px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px;text-decoration:none}.lesson-card:hover{border-color:#4d6d89;transform:translateY(-1px)}.lesson-card p{color:var(--muted);flex:1}.lesson-top,.lesson-foot{display:flex;justify-content:space-between;gap:10px}.lesson-top{font-size:12px;color:var(--accent);text-transform:uppercase;font-weight:800}.lesson-foot{color:var(--muted);font-size:13px}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:20px}.sticky{position:sticky;top:20px}.lead{font-size:21px}.steps{list-style:none;padding:0}.steps li{display:grid;grid-template-columns:38px 1fr;gap:12px;align-items:start;margin:12px 0}.steps li>span{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#203445;color:var(--accent);font-weight:800}.steps p{margin:4px 0}.formula{font:700 18px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;background:#08111a;border:1px solid var(--line);padding:16px;border-radius:10px;overflow:auto}.video-placeholder{aspect-ratio:16/9;background:linear-gradient(135deg,#182b3d,#0b151f);border:1px dashed #4b657d;border-radius:12px;display:grid;place-items:center;text-align:center;padding:18px}.video-placeholder div{font-size:32px}.video-placeholder span{display:block;color:var(--muted);font-size:12px}.choice{display:block;border:1px solid var(--line);padding:10px;border-radius:9px;margin:8px 0}.quiz-result{padding:10px;border-radius:9px;margin-top:10px}.quiz-result.success{background:#153528}.quiz-result.danger{background:#3b181c}label{display:grid;gap:6px;color:#cbd8e5;font-weight:650;margin-bottom:14px}input,textarea,select{width:100%;background:#08111a;color:var(--text);border:1px solid #33495e;border-radius:9px;padding:12px;font:inherit}textarea{min-height:100px;resize:vertical}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-size:12px;text-transform:uppercase}.inline{display:inline-flex;gap:7px;align-items:center;margin:3px}.inline input{width:220px}.flash{padding:12px 14px;border-radius:10px;margin-bottom:14px;border:1px solid var(--line)}.flash.success{background:#113729}.flash.danger{background:#3a171b}.flash.warning{background:#3c3210}.success-box{border-left:4px solid var(--accent)}.danger-box{border-left:4px solid var(--danger)}.narrow{max-width:640px}.login-bg{min-height:100vh;display:grid;place-items:center;padding:22px;background:radial-gradient(circle at top,#17314a,#081018 50%)}.login-card{width:min(460px,100%);background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:28px}.login-card h1{text-align:center}.login-card>p{text-align:center;color:var(--muted)}.logo-big{text-align:center;font-size:48px}.hint{margin-top:14px;text-align:center}.intro{margin-bottom:18px}code{background:#08111a;padding:2px 5px;border-radius:5px}@media(max-width:980px){.shell{grid-template-columns:1fr}.sidebar{position:static;border-right:0;border-bottom:1px solid var(--line)}nav{grid-template-columns:repeat(3,1fr)}.lesson-grid{grid-template-columns:repeat(2,1fr)}.lesson-layout{grid-template-columns:1fr}.sticky{position:static}}@media(max-width:650px){main{padding:18px}.top{align-items:start;gap:10px}.top h1{font-size:28px}.pill{display:none}.hero,.two-col{grid-template-columns:1fr}.score{border-left:0;border-top:1px solid var(--line);padding-top:16px}.metrics{grid-template-columns:1fr 1fr}.lesson-grid{grid-template-columns:1fr}nav{grid-template-columns:1fr 1fr}.hero h2{font-size:28px}.inline{display:flex;flex-wrap:wrap}.inline input{width:100%}}
.nav-label{margin:12px 8px 2px;color:var(--muted);font-size:10px;letter-spacing:.14em;text-transform:uppercase;font-weight:900}.project-bar{display:grid;grid-template-columns:minmax(220px,1fr) 2fr;gap:18px;align-items:end}.project-select-form,.new-project-form{margin:0}.new-project-form{display:grid;grid-template-columns:1fr 1.5fr auto;gap:10px;align-items:end}.new-project-form label,.project-select-form label{margin:0}.original-hero{margin-bottom:18px}.stage-name{font-size:30px!important;text-align:center}.stage-callout{padding:12px 14px;border:1px solid var(--line);background:#0a141d;border-radius:10px;margin-bottom:14px}.why-chain{border-top:1px solid var(--line);padding:14px 0}.why-chain:first-of-type{border-top:0}.why-chain li{margin:8px 0}.range-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.range-grid>div{background:#0a141d;border:1px solid var(--line);padding:14px;border-radius:10px}.range-grid span{display:block;color:var(--accent);margin-top:5px}.progress{height:16px;background:#08111a;border:1px solid var(--line);border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;background:var(--accent)}.journal-entry{border-top:1px solid var(--line);padding:12px 0}.journal-entry:first-of-type{border-top:0}.journal-entry small{color:var(--muted)}.gantt-row{display:grid;grid-template-columns:190px minmax(180px,1fr) 260px;gap:12px;align-items:center;margin:12px 0}.gantt-track{height:20px;background:#08111a;border:1px solid var(--line);position:relative;border-radius:5px;overflow:hidden}.gantt-track b,.gantt-track i{position:absolute;left:0;top:0;height:100%;display:block}.gantt-track b{background:#26384a;z-index:1}.gantt-track i{background:var(--accent);z-index:2}.support-label{fill:#94a8bc;text-anchor:middle;font-size:14px}.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}@media(max-width:980px){.project-bar,.new-project-form,.three-col{grid-template-columns:1fr}.range-grid{grid-template-columns:1fr}.gantt-row{grid-template-columns:1fr}.sidebar nav{grid-template-columns:repeat(2,1fr)}}@media(max-width:650px){.sidebar nav{grid-template-columns:1fr}}

/* v0.6.2 guided workflow additions */
.workflow-coach{display:flex;gap:18px;align-items:center;justify-content:space-between;border:1px solid var(--line);background:var(--panel);padding:16px 18px;border-radius:16px;margin:0 0 18px}.workflow-coach p{margin:5px 0 0;max-width:780px}.why-popup{font-size:1rem}.progress-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}.progress-card{display:flex;min-width:0;flex-direction:column;gap:6px;padding:14px;border:1px solid var(--line);border-radius:14px;text-decoration:none;background:var(--panel-2)}.progress-card.active{outline:2px solid var(--accent)}.progress-card span{font-size:.82rem;color:var(--muted)}.pdf-panel{overflow:hidden}.pdf-reader{width:100%;height:760px;border:1px solid var(--line);border-radius:12px;background:white}.log-detail td{font-size:.82rem;color:var(--muted);padding-top:0}.callout{padding:14px;border-left:3px solid var(--accent);background:var(--panel-2);border-radius:8px}@media(max-width:760px){.workflow-coach{align-items:flex-start;flex-direction:column}.pdf-reader{height:520px}}
.prior-answer{border:1px solid var(--line);background:var(--panel-2);padding:14px;border-radius:12px;margin:12px 0}.prior-answer span{font-size:.75rem;color:var(--muted);font-weight:800;letter-spacing:.12em}.prior-answer strong{color:var(--accent)}.example-chain,.ladder-flow,.mini-chain{display:flex;flex-direction:column;gap:9px}.example-chain>div:not(.why-arrow),.ladder-node,.mini-chain>div{border:1px solid var(--line);background:var(--panel-2);padding:12px 14px;border-radius:12px}.why-arrow,.mini-chain>span{text-align:center;color:var(--accent);font-weight:900;letter-spacing:.06em}.strategy-question-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,1fr));gap:18px}.question-chain{min-width:0}.question-chain h2{font-size:1.05rem}

/* v0.7.0 learning-first report + animated examples */
.lesson-orientation h2{font-size:30px;margin:.35rem 0}.term-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;margin-top:16px}.term-card{padding:14px;border:1px solid var(--line);border-radius:12px;background:#0a141d}.term-card>b{display:block}.term-card>span{display:inline-block;margin-top:4px;color:var(--accent);font:800 12px/1.2 ui-monospace,SFMono-Regular,monospace}.term-card p{margin-bottom:0;color:var(--muted)}.lesson-video{display:block;width:100%;border:1px solid var(--line);border-radius:12px;background:#050b10}.browser-demo{display:grid;gap:12px}.demo-stage{border:1px solid var(--line);border-radius:12px;background:#08111a;padding:14px;min-height:230px;display:grid;align-content:center;gap:18px}.demo-message{min-height:56px}.demo-message b,.demo-message span{display:block}.demo-message b{color:var(--accent);font-size:18px}.demo-message span{color:var(--text)}.demo-visual{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px}.demo-node{display:grid;place-items:center;text-align:center;gap:4px;min-width:78px;max-width:115px;padding:10px 7px;border:1px solid var(--line);border-radius:10px;color:var(--muted);transition:.25s ease}.demo-node b{display:grid;place-items:center;width:25px;height:25px;border-radius:50%;background:#152434}.demo-node.active{border-color:var(--accent);color:var(--text);transform:translateY(-3px);background:#10281f}.demo-node.done{color:#c8d8e7;background:#10202d}.demo-visual i{color:var(--muted);font-style:normal}.demo-controls{display:flex;gap:8px;flex-wrap:wrap}.action-panel{border-left:4px solid var(--accent2)}.explain-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.panel-inner{background:#0a141d;border:1px solid var(--line);border-radius:14px;padding:16px}.scope-goal{font-size:18px}.readiness-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}.readiness-card{display:grid;gap:4px;padding:14px;border:1px solid var(--line);border-radius:12px}.readiness-card span{color:var(--muted);font-size:13px}.readiness-card.ready{border-left:4px solid var(--accent);background:#10281f}.readiness-card.not-ready{border-left:4px solid var(--warn);background:#29230d}.tip-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:12px}.tip-card{padding:16px;border:1px solid var(--line);border-radius:12px;background:#0a141d}.tip-card p{color:var(--muted);margin-bottom:0}.final-hero{margin-bottom:18px}.course-path{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin:16px 0}.course-step{border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--panel)}.course-step b{display:block;color:var(--accent)}.course-step span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
@media(max-width:760px){.explain-grid{grid-template-columns:1fr}.lesson-orientation h2{font-size:24px}.demo-node{min-width:68px}.demo-visual i{display:none}}
@media print{.sidebar,.top,.workflow-coach,.actions,.pill{display:none!important}.shell{display:block}.panel,.hero{break-inside:avoid;background:#fff!important;color:#111!important;border-color:#bbb!important}body,main{background:#fff!important;color:#111!important}main{padding:0}.kicker,.small,.muted{color:#444!important}a{color:#111!important;text-decoration:none}}

/* v0.7.1 Fibonacci / golden-ratio declutter pass */
:root{
  --f1:5px;--f2:8px;--f3:13px;--f4:21px;--f5:34px;--f6:55px;
  --gold-major:61.8%;--gold-minor:38.2%;
}
.shell{grid-template-columns:233px minmax(0,1fr)}
.sidebar{padding:var(--f4);gap:var(--f4)}
.sidebar .tag{line-height:1.4;max-width:180px}
main{padding:var(--f5);max-width:1280px;margin:0 auto}
.top{margin-bottom:var(--f5);align-items:center}
.top h1{font-size:34px;line-height:1.12}
.panel{padding:var(--f4);margin-bottom:var(--f4);border-radius:13px}
.hero{grid-template-columns:minmax(0,var(--gold-major)) minmax(180px,var(--gold-minor));gap:var(--f5);padding:var(--f5)}
.two-col,.golden-grid{display:grid;grid-template-columns:minmax(0,1.618fr) minmax(260px,1fr);gap:var(--f4)}
.three-col{gap:var(--f4)}
.metrics{gap:var(--f3);margin:var(--f4) 0}
.actions{gap:var(--f3)}
.workflow-coach{padding:var(--f3) var(--f4);margin-bottom:var(--f4);gap:var(--f4);border-radius:13px}
.lesson-grid{gap:var(--f4)}
.lesson-card{padding:var(--f4);min-height:200px}

/* Collapsible navigation removes visual noise without removing features. */
nav{display:block;min-width:0}
.nav-group{border-top:1px solid var(--line);padding:var(--f2) 0}
.nav-group:first-child{border-top:0}
.nav-group summary{list-style:none;cursor:pointer;padding:var(--f2) var(--f2);font-size:11px;letter-spacing:.13em;text-transform:uppercase;font-weight:900;color:var(--muted);display:flex;align-items:center;justify-content:space-between}
.nav-group summary::-webkit-details-marker{display:none}
.nav-group summary:after{content:'+';font-size:16px;color:var(--muted)}
.nav-group[open] summary:after{content:'−'}
.nav-group-links{display:grid;gap:var(--f1);padding-top:var(--f1)}
.nav-group-links a{padding:9px 10px;border-radius:8px;font-size:14px}
.nav-label{display:none}

/* Reduce dense “card wall” feeling. */
.quiet-panel{background:transparent;border-color:var(--line)}
.compact-intro{padding-block:var(--f4)}
.compact-intro h2{max-width:760px}
.compact-intro .lead{max-width:900px}
.field-help{font-weight:500;color:var(--muted);line-height:1.35}
.plain-legend{display:grid;gap:var(--f3);margin:var(--f4) 0}
.plain-legend>div{display:grid;gap:var(--f1);padding-bottom:var(--f3);border-bottom:1px solid var(--line)}
.plain-legend>div:last-child{border-bottom:0}
.plain-legend span{color:var(--muted);font-size:14px}
.result-story h2{max-width:850px}
.risk-bars{display:grid;gap:var(--f4);margin:var(--f4) 0 var(--f5)}
.risk-bars>div{display:grid;grid-template-columns:minmax(130px,180px) 80px 1fr;gap:var(--f3);align-items:center}
.risk-bars span small{display:block;color:var(--muted);font-weight:500}
.risk-bars b{text-align:right;font-size:21px}
.risk-bars i{display:block;height:13px;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent2));width:var(--w);max-width:100%}
.decision-callout{padding:var(--f4);border-left:3px solid var(--accent);background:#0a141d;border-radius:8px}
.compact-steps li{margin:var(--f3) 0}
.next-step-panel{margin-top:var(--f4)}

@media(max-width:980px){
  .shell{grid-template-columns:1fr}
  .sidebar{padding:var(--f3) var(--f4)}
  .sidebar .tag{max-width:none}
  main{padding:var(--f4)}
  .golden-grid,.two-col,.hero{grid-template-columns:1fr}
  .nav-group-links{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:650px){
  main{padding:var(--f3)}
  .top{margin-bottom:var(--f4)}
  .nav-group-links{grid-template-columns:1fr}
  .risk-bars>div{grid-template-columns:1fr auto}
  .risk-bars i{grid-column:1/-1;width:var(--w)}
}

/* v0.7.2 focus + breathing-room pass */
main{max-width:1120px;padding:55px 55px 89px}
.panel{padding:34px;margin-bottom:34px}
.focus-layout{display:grid;grid-template-columns:minmax(0,1.618fr) minmax(250px,1fr);gap:34px;align-items:start;margin-bottom:34px}
.focus-layout .panel{margin-bottom:0}
.calm-panel{background:var(--panel);border-color:var(--line)}
.explain-strip{padding:21px 0 21px 21px;border-left:1px solid var(--line)}
.explain-strip h3{font-size:20px;margin:8px 0 13px}.lead-small{max-width:680px;color:var(--muted);line-height:1.6}
.input-pair{display:grid;grid-template-columns:1fr 1fr;gap:21px}.spacious-result{padding:55px}.big-explanation{font-size:18px;line-height:1.7;max-width:850px;margin:13px 0 34px}
.role-flow{display:flex;align-items:stretch;justify-content:center;gap:13px;margin:34px 0;flex-wrap:wrap}.role-flow>div{flex:1 1 190px;max-width:260px;padding:21px;border:1px solid var(--line);border-radius:13px;background:#0a141d;text-align:center}.role-flow b{display:block;font-size:34px}.role-flow span{display:block;font-weight:800;margin-top:5px}.role-flow small{display:block;color:var(--muted);margin-top:8px}.role-flow i{align-self:center;color:var(--muted);font-style:normal;font-size:21px}
.comparison-line{display:grid;grid-template-columns:1fr auto 1fr auto;gap:21px;align-items:center;margin:34px 0;padding:21px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.comparison-line span{display:block;color:var(--muted)}.comparison-line strong{font-size:25px}.arrow-big{font-size:25px;color:var(--muted)}.reduction-badge{padding:8px 13px;border:1px solid var(--accent);border-radius:999px;color:var(--accent);font-weight:900}
.quiet-details{margin-top:21px;border-top:1px solid var(--line);padding-top:13px}.quiet-details summary{cursor:pointer;color:var(--muted);font-weight:800}.detail-body{padding:13px 0 0;color:var(--muted)}
.history-list{display:grid;gap:8px}.history-item{border-top:1px solid var(--line);padding:13px 0}.history-item summary{cursor:pointer;display:grid;grid-template-columns:minmax(160px,.8fr) minmax(260px,1.6fr) auto;gap:13px;align-items:center}.history-item summary span{color:var(--muted);font-size:14px}.history-item p{color:var(--muted);margin:13px 0 0}
.probability-story{display:grid;gap:21px;margin:34px 0}.probability-story>div{display:grid;grid-template-columns:minmax(180px,1fr) minmax(180px,auto);gap:8px 21px;align-items:end}.probability-story span{color:var(--muted)}.probability-story strong{font-size:23px;text-align:right}.probability-story i{grid-column:1/-1;height:10px;background:#08111a;border:1px solid var(--line);border-radius:999px;overflow:hidden}.probability-story i em{display:block;height:100%;width:var(--p);background:var(--accent)}.stat-note{font-size:13px;color:var(--muted);max-width:820px}
.stress-story{display:grid;grid-template-columns:repeat(3,1fr);gap:21px;margin:55px 0 34px}.stress-card{padding:21px;border:1px solid var(--line);border-radius:13px}.stress-card span{display:block;color:var(--muted);font-weight:800}.stress-card strong{display:block;font-size:25px;margin:8px 0}.stress-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.5}.danger-soft{border-left:3px solid #b36b6b}.warn-soft{border-left:3px solid var(--warn)}.safe-soft{border-left:3px solid var(--accent)}
.next-action-line{margin-top:34px;padding:21px;border-left:3px solid var(--accent);background:#0a141d;border-radius:8px}.report-summary-row{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin:21px 0 34px}.report-summary-row>div{padding:13px 0;border-bottom:1px solid var(--line)}.report-summary-row b{display:block;font-size:22px}.report-summary-row span{font-size:13px;color:var(--muted)}
@media(max-width:980px){main{padding:34px 21px 55px}.focus-layout{grid-template-columns:1fr}.explain-strip{border-left:0;border-top:1px solid var(--line);padding:21px 0}.stress-story{grid-template-columns:1fr}.comparison-line{grid-template-columns:1fr}.arrow-big{transform:rotate(90deg)}.history-item summary{grid-template-columns:1fr}.history-item summary strong{justify-self:start}.report-summary-row{grid-template-columns:repeat(2,1fr)}}
@media(max-width:650px){.spacious-result,.panel{padding:21px}.input-pair,.report-summary-row{grid-template-columns:1fr}.probability-story>div{grid-template-columns:1fr}.probability-story strong{text-align:left}}

/* v0.7.3 visual identity + calmer PERT hierarchy */
.brand{display:flex;align-items:center;gap:13px;text-transform:uppercase;letter-spacing:.16em;font-weight:900;color:#f5f8fc}.brand-mark{position:relative;width:38px;height:32px;display:inline-block;flex:0 0 38px}.brand-mark i{position:absolute;display:block;width:12px;height:12px;background:var(--accent);transform:rotate(45deg);border-radius:2px}.brand-mark i:nth-child(1){left:2px;top:12px}.brand-mark i:nth-child(2){left:18px;top:2px;width:9px;height:9px}.brand-mark i:nth-child(3){left:25px;top:18px;width:7px;height:7px;background:#d8b75b}.eyebrow,.kicker{color:var(--accent);letter-spacing:.15em}.sigma-guide{display:grid;gap:21px;margin:34px 0}.sigma-guide>div{padding:21px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:minmax(230px,.9fr) minmax(260px,1fr);gap:8px 34px}.sigma-guide>div:last-child{border-bottom:0}.sigma-guide b{color:var(--text)}.sigma-guide strong{font-size:22px;color:var(--accent2)}.sigma-guide p{grid-column:1/-1;color:var(--muted);max-width:760px;margin:5px 0 0;line-height:1.6}.simple-note{max-width:820px;padding:21px;border-left:3px solid var(--accent2);background:#0a141d;border-radius:8px;color:var(--muted);line-height:1.6}.stress-story{margin-top:55px}.top h1,.panel h2,.hero h2{letter-spacing:-.025em}@media(max-width:650px){.sigma-guide>div{grid-template-columns:1fr}}

/* =========================================================
   Responsive shell hardening
   Prevent intrinsic child widths from expanding mobile layout
   ========================================================= */

.shell,
.sidebar,
main {
    min-width: 0;
}

.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

@media (max-width: 980px) {
    .shell {
        grid-template-columns: minmax(0, 1fr);
        width: 100%;
        max-width: 100%;
    }

    .sidebar,
    main {
        width: 100%;
        max-width: 100%;
        min-width: 0;
    }

    .sidebar nav,
    .nav-group,
    .nav-group-links,
    .brand,
    .tag {
        min-width: 0;
        max-width: 100%;
    }

    .sidebar a {
        min-width: 0;
        max-width: 100%;
        overflow-wrap: anywhere;
    }
}

@media (max-width: 650px) {
    html,
    body,
    .shell {
        width: 100%;
        max-width: 100%;
    }

    main {
        padding-left: 21px;
        padding-right: 21px;
    }

    .sidebar {
        padding-left: 21px;
        padding-right: 21px;
    }
}

/* v0.7.7 mobile responsive hardening */
.shell,
.sidebar,
main {
  min-width: 0;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 980px) {
  .shell {
    grid-template-columns: minmax(0, 1fr);
    width: 100%;
    max-width: 100%;
  }

  .sidebar,
  main {
    min-width: 0;
    width: 100%;
    max-width: 100%;
  }

  .sidebar nav,
  .nav-group,
  .nav-group-links,
  .brand,
  .tag {
    min-width: 0;
    max-width: 100%;
  }

  .sidebar a {
    min-width: 0;
    max-width: 100%;
    overflow-wrap: anywhere;
  }
}

@media (max-width: 650px) {
  html,
  body,
  .shell {
    width: 100%;
    max-width: 100%;
  }

  .sidebar,
  main {
    padding-left: 21px;
    padding-right: 21px;
  }
}