:root{
  --navy:#06172d;
  --navy-2:#0a2b54;
  --blue:#1769e8;
  --blue-2:#4b8df8;
  --purple:#6f5ce7;
  --teal:#0b8f72;
  --amber:#b7791f;
  --red:#b84a4a;
  --ink:#10243f;
  --muted:#657890;
  --soft:#8798ac;
  --line:#dce6f0;
  --line-strong:#c9d7e5;
  --bg:#f4f7fb;
  --card:#ffffff;
  --card-2:#f9fbfd;
  --pale:#edf4ff;
  --purple-pale:#f1efff;
  --green-pale:#eaf8f3;
  --amber-pale:#fff6df;
  --red-pale:#fff0f0;
  --shadow:0 18px 55px rgba(16,42,78,.09);
  --shadow-soft:0 8px 28px rgba(16,42,78,.07);
  --radius:24px;
  --radius-sm:15px;
  --max:1440px;
}

:root[data-theme="dark"]{
  --ink:#e8f0fa;
  --muted:#a9b8ca;
  --soft:#8094aa;
  --line:#253a53;
  --line-strong:#34506f;
  --bg:#071321;
  --card:#0d2035;
  --card-2:#102740;
  --pale:#102b49;
  --purple-pale:#201d49;
  --green-pale:#0d352f;
  --amber-pale:#3b2d11;
  --red-pale:#3d1e25;
  --shadow:0 20px 60px rgba(0,0,0,.26);
  --shadow-soft:0 10px 30px rgba(0,0,0,.18);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;
  color:var(--ink);
  background:
    radial-gradient(circle at 6% -2%,rgba(23,105,232,.13),transparent 34rem),
    radial-gradient(circle at 88% 7%,rgba(111,92,231,.09),transparent 30rem),
    var(--bg);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  line-height:1.58;
  text-rendering:optimizeLegibility;
}
a{color:inherit}
button,input{font:inherit}
::selection{background:rgba(23,105,232,.22)}

.reading-progress{position:fixed;inset:0 0 auto;z-index:1000;height:3px;background:transparent;pointer-events:none}
.reading-progress span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--blue),var(--purple));box-shadow:0 0 12px rgba(23,105,232,.35)}
.skip-link{position:fixed;left:14px;top:-70px;z-index:1200;padding:10px 14px;border-radius:10px;background:var(--navy);color:#fff;text-decoration:none;font-weight:900}
.skip-link:focus{top:10px}

.manual-shell{width:min(var(--max),calc(100% - 36px));margin-inline:auto}
.topbar{position:sticky;top:0;z-index:900;border-bottom:1px solid color-mix(in srgb,var(--line) 82%,transparent);background:color-mix(in srgb,var(--card) 88%,transparent);backdrop-filter:blur(20px) saturate(1.25)}
.topbar-inner{width:min(var(--max),calc(100% - 36px));margin:auto;min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:950;letter-spacing:-.02em;white-space:nowrap}
.brand img{border-radius:12px;background:#fff;box-shadow:0 5px 16px rgba(16,42,78,.08)}
.brand span{display:grid;line-height:1.05;font-size:.96rem}
.brand small{margin-top:5px;color:var(--muted);font-size:.55rem;letter-spacing:.12em}
.topbar nav{display:flex;align-items:center;gap:7px}
.topbar nav a,.topbar nav button{border:1px solid var(--line);border-radius:999px;background:var(--card);padding:8px 12px;text-decoration:none;color:var(--ink);font-size:.71rem;font-weight:850;cursor:pointer;transition:.18s ease}
.topbar nav a:hover,.topbar nav button:hover,.topbar nav a:focus-visible,.topbar nav button:focus-visible{transform:translateY(-1px);border-color:var(--blue);color:var(--blue)}
.topbar nav .download{border-color:transparent;background:linear-gradient(135deg,var(--blue),#4e7df3);color:#fff}
.topbar nav button{width:38px;height:38px;padding:0}

.hero{position:relative;isolation:isolate;margin-top:22px;min-height:510px;padding:clamp(34px,5.5vw,74px);border-radius:32px;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(290px,.56fr);gap:42px;align-items:center;overflow:hidden;color:#fff;background:
  radial-gradient(circle at 85% 18%,rgba(111,92,231,.52),transparent 24rem),
  radial-gradient(circle at 0% 100%,rgba(23,105,232,.38),transparent 30rem),
  linear-gradient(135deg,#041326 0%,#08264b 52%,#102e5e 100%);
  box-shadow:0 30px 80px rgba(6,23,45,.24)
}
.hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.08);border-radius:50%;z-index:-1}
.hero:before{width:560px;height:560px;right:-270px;top:-300px;box-shadow:0 0 0 70px rgba(255,255,255,.025),0 0 0 145px rgba(255,255,255,.018)}
.hero:after{width:360px;height:360px;left:-220px;bottom:-250px;box-shadow:0 0 0 55px rgba(96,165,250,.035)}
.hero-copy{max-width:900px}
.hero-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.hero-meta span,.mini-label{border:1px solid rgba(255,255,255,.14);border-radius:999px;background:rgba(255,255,255,.07);padding:6px 9px;color:#b9dcff;font-size:.6rem;letter-spacing:.09em;font-weight:900;text-transform:uppercase}
.hero h1{max-width:940px;margin:0;font-size:clamp(2.7rem,5.4vw,5.4rem);line-height:.95;letter-spacing:-.06em;font-weight:950}
.hero-copy>p{max-width:850px;margin:19px 0 0;color:#d7e7f8;font-size:clamp(.92rem,1.4vw,1.05rem)}
.hero-copy>p b{color:#fff}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border-radius:12px;padding:10px 15px;text-decoration:none;font-size:.76rem;font-weight:900;transition:.18s ease}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg,var(--blue),#477ef2);color:#fff;box-shadow:0 11px 28px rgba(23,105,232,.24)}
.btn.ghost{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.07);color:#fff}
.manual-search{max-width:790px;margin-top:25px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;border:1px solid rgba(255,255,255,.2);border-radius:15px;background:rgba(255,255,255,.1);padding:7px 9px 7px 13px;backdrop-filter:blur(10px);box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.manual-search>span{font-size:1.25rem;color:#b9dcff;line-height:1}
.manual-search input{width:100%;border:0;outline:0;background:transparent;color:#fff;padding:7px 0;font-size:.84rem}
.manual-search input::placeholder{color:#b9cbe0}
.manual-search kbd{border:1px solid rgba(255,255,255,.18);border-bottom-color:rgba(255,255,255,.28);border-radius:7px;background:rgba(2,12,28,.28);padding:3px 8px;color:#d9e8f8;font:700 .72rem ui-monospace,SFMono-Regular,Menlo,monospace}
.search-feedback{min-height:18px;margin-top:5px;color:#bddcff;font-size:.68rem;font-weight:700}
.hero-principle{position:relative;border:1px solid rgba(255,255,255,.14);border-radius:24px;background:linear-gradient(160deg,rgba(255,255,255,.11),rgba(255,255,255,.055));padding:25px;backdrop-filter:blur(15px);box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}
.hero-principle>strong{display:block;margin:12px 0 20px;font-size:clamp(1.5rem,2.4vw,2.2rem);line-height:1.06;letter-spacing:-.04em}
.principle-list{display:grid;gap:8px}
.principle-list p{margin:0;display:grid;grid-template-columns:120px 1fr;gap:9px;border-top:1px solid rgba(255,255,255,.1);padding:10px 0 2px;font-size:.77rem}
.principle-list b{color:#fff}.principle-list span{color:#c9ddf1}

.journey{padding:32px 0 10px}
.section-head{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(250px,.65fr);gap:30px;align-items:end;margin-bottom:22px}
.section-head.compact{margin-bottom:16px}
.section-head h2{margin:5px 0 0;font-size:clamp(1.85rem,3.5vw,3rem);line-height:1.02;letter-spacing:-.045em}
.section-head>p{margin:0;color:var(--muted);font-size:.86rem}
.eyebrow{display:block;color:var(--blue);font-size:.62rem;letter-spacing:.13em;font-weight:950;text-transform:uppercase}
.journey-track{display:grid;grid-template-columns:repeat(8,minmax(135px,1fr));gap:7px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}
.journey-track a{position:relative;min-height:123px;border:1px solid var(--line);border-radius:17px;background:var(--card);padding:13px;text-decoration:none;box-shadow:var(--shadow-soft);transition:.18s ease}
.journey-track a:hover{transform:translateY(-2px);border-color:var(--blue)}
.journey-track b{display:inline-grid;place-items:center;width:27px;height:27px;border-radius:9px;background:var(--pale);color:var(--blue);font-size:.62rem}
.journey-track span{display:block;margin-top:11px;font-size:.88rem;font-weight:950}
.journey-track small{display:block;margin-top:4px;color:var(--muted);font-size:.66rem;line-height:1.35}

.guide-layout{display:grid;grid-template-columns:238px minmax(0,1fr);gap:34px;align-items:start;padding:20px 0 70px}
.toc{position:sticky;top:88px;max-height:calc(100vh - 108px);overflow:auto;border:1px solid var(--line);border-radius:20px;background:color-mix(in srgb,var(--card) 94%,transparent);box-shadow:var(--shadow-soft);padding:12px;scrollbar-width:thin}
.toc-title{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:7px 8px 10px;border-bottom:1px solid var(--line);margin-bottom:6px}
.toc-title strong{font-size:.67rem;text-transform:uppercase;letter-spacing:.1em}
.toc-title span{color:var(--blue);font-size:.66rem;font-weight:900}
.toc>a{display:block;border-radius:9px;padding:7px 9px;color:var(--muted);text-decoration:none;font-size:.7rem;font-weight:800;transition:.15s ease}
.toc>a:hover,.toc>a.current{background:var(--pale);color:var(--blue)}
.toc-actions{display:grid;grid-template-columns:1fr 1fr;gap:6px;border-top:1px solid var(--line);margin-top:7px;padding-top:10px}
.toc-actions button{border:1px solid var(--line);border-radius:9px;background:var(--card-2);color:var(--muted);padding:7px 5px;font-size:.59rem;font-weight:850;cursor:pointer}
.toc-actions button:hover{border-color:var(--blue);color:var(--blue)}
.content{min-width:0}

.guide-section{display:grid;grid-template-columns:82px minmax(0,1fr);gap:18px;margin-bottom:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow-soft);padding:clamp(25px,4vw,44px);transition:opacity .16s ease,transform .16s ease}
.guide-section[hidden]{display:none!important}
.section-marker{position:sticky;top:104px;align-self:start;display:grid;justify-items:center;gap:8px}
.section-marker span{display:grid;place-items:center;width:46px;height:46px;border-radius:15px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;font-size:.72rem;font-weight:950;box-shadow:0 8px 22px rgba(23,105,232,.22)}
.section-marker i{writing-mode:vertical-rl;transform:rotate(180deg);color:var(--soft);font-style:normal;font-size:.53rem;letter-spacing:.13em;font-weight:900}
.section-body{min-width:0}
.section-body>h3{margin:30px 0 12px;font-size:1.06rem;letter-spacing:-.015em}
.section-body>p{color:var(--muted)}

.lens-grid,.risk-grid,.uncertainty-grid,.decision-grid,.tool-grid,.case-grid,.tl-grid{display:grid;gap:10px}
.lens-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.lens-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.lens-grid article,.risk-grid article,.uncertainty-grid article,.case-grid article,.tl-grid article{border:1px solid var(--line);border-radius:16px;background:var(--card-2);padding:15px}
.lens-grid article>span,.uncertainty-grid article>span{display:inline-flex;border-radius:999px;background:var(--pale);padding:5px 8px;color:var(--blue);font-size:.57rem;font-weight:950;text-transform:uppercase;letter-spacing:.05em}
.lens-grid strong,.uncertainty-grid strong{display:block;margin:10px 0 6px;font-size:.9rem;line-height:1.22}
.lens-grid p,.risk-grid p,.uncertainty-grid p,.tl-grid p{margin:0;color:var(--muted);font-size:.74rem}
.risk-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.risk-grid article{border-top:3px solid var(--purple)}
.risk-grid b{display:block;margin-bottom:5px;font-size:.86rem}

.callout{position:relative;margin-top:20px;border:1px solid #bfd6f4;border-left:5px solid var(--blue);border-radius:14px;background:color-mix(in srgb,var(--pale) 78%,var(--card));padding:15px 16px}
.callout>span{display:block;margin-bottom:3px;color:var(--blue);font-size:.55rem;letter-spacing:.1em;font-weight:950}
.callout>b{font-size:.88rem}.callout p{margin:4px 0 0;color:var(--muted);font-size:.77rem}
.callout.good{border-color:#b7e1d1;border-left-color:var(--teal);background:color-mix(in srgb,var(--green-pale) 80%,var(--card))}.callout.good>span{color:var(--teal)}
.callout.warn{border-color:#ead18c;border-left-color:var(--amber);background:color-mix(in srgb,var(--amber-pale) 86%,var(--card))}.callout.warn>span{color:var(--amber)}
.callout.boundary{border-color:#c8bff2;border-left-color:var(--purple);background:color-mix(in srgb,var(--purple-pale) 82%,var(--card))}.callout.boundary>span{color:var(--purple)}
.callout.key{border-color:#bad6fb;border-left-color:var(--blue);background:linear-gradient(135deg,color-mix(in srgb,var(--pale) 92%,var(--card)),var(--card))}
.callout a{font-weight:850;color:var(--blue)}

.step-list{list-style:none;padding:0;margin:0;counter-reset:manualstep}
.step-list li{counter-increment:manualstep;position:relative;display:grid;grid-template-columns:minmax(210px,.38fr) minmax(0,1fr);gap:18px;padding:15px 0 15px 42px;border-top:1px solid var(--line)}
.step-list li:first-child{border-top:0}
.step-list li:before{content:counter(manualstep,decimal-leading-zero);position:absolute;left:0;top:13px;display:grid;place-items:center;width:29px;height:29px;border-radius:10px;background:var(--pale);color:var(--blue);font-size:.59rem;font-weight:950}
.step-list b{font-size:.82rem}.step-list p{margin:0;color:var(--muted);font-size:.79rem}
.step-list.compact-steps li{padding-top:11px;padding-bottom:11px}

.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px;background:var(--card-2);scrollbar-width:thin}
table{width:100%;border-collapse:collapse;min-width:780px;font-size:.73rem}
th,td{text-align:left;vertical-align:top;padding:11px 12px;border-bottom:1px solid var(--line)}
th{position:sticky;top:0;z-index:2;background:var(--navy);color:#fff;font-size:.61rem;text-transform:uppercase;letter-spacing:.055em}
tbody tr:last-child td{border-bottom:0}tbody tr:nth-child(even){background:color-mix(in srgb,var(--pale) 42%,var(--card))}
td:first-child{font-weight:850}td a{color:var(--blue);font-weight:850}

.deep-dive{display:grid;gap:8px;margin-top:16px}
.deep-dive details{border:1px solid var(--line);border-radius:14px;background:var(--card-2);overflow:hidden}
.deep-dive summary{position:relative;cursor:pointer;list-style:none;padding:14px 42px 14px 15px;font-size:.8rem;font-weight:900}
.deep-dive summary::-webkit-details-marker{display:none}
.deep-dive summary:after{content:"+";position:absolute;right:14px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:23px;height:23px;border-radius:8px;background:var(--pale);color:var(--blue);font-size:.95rem}
.deep-dive details[open] summary:after{content:"−"}
.deep-dive details[open] summary{border-bottom:1px solid var(--line)}
.detail-body{padding:14px 15px 16px;color:var(--muted);font-size:.79rem}
.detail-body p{margin:0}.detail-body p+p{margin-top:10px}
.micro-example,.micro-rule{margin-top:12px;border-radius:11px;background:var(--pale);padding:10px 12px;display:grid;grid-template-columns:auto 1fr;gap:7px 10px;font-size:.72rem}
.micro-example b,.micro-rule b{color:var(--blue)}
.micro-rule{grid-template-columns:auto 1fr auto 1fr}

.concept-hero{display:grid;grid-template-columns:minmax(0,1fr) 36px minmax(0,.65fr);gap:10px;align-items:stretch;margin-bottom:17px}
.concept-hero>div:not(.arrow){border:1px solid var(--line);border-radius:17px;background:linear-gradient(145deg,var(--card-2),var(--card));padding:18px}
.concept-hero span{display:block;color:var(--blue);font-size:.58rem;letter-spacing:.09em;font-weight:950}
.concept-hero strong{display:block;margin:7px 0 5px;font-size:1.05rem}
.concept-hero p{margin:0;color:var(--muted);font-size:.74rem}
.concept-hero .arrow{display:grid;place-items:center;color:var(--blue);font-size:1.3rem;font-weight:900}
.compare-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:17px}
.compare-strip>div{border:1px solid var(--line);border-radius:14px;background:var(--card-2);padding:13px}
.compare-strip span{display:block;color:var(--muted);font-size:.6rem;text-transform:uppercase;letter-spacing:.07em;font-weight:850}
.compare-strip strong{display:block;margin-top:4px;font-size:.83rem}

.funnel{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:8px;align-items:center;border:1px solid var(--line);border-radius:19px;background:linear-gradient(135deg,var(--card-2),var(--pale));padding:14px}
.funnel div{text-align:center;border:1px solid var(--line);border-radius:14px;background:var(--card);padding:14px 9px}
.funnel b{display:block;color:var(--blue);font-size:1.42rem;letter-spacing:-.04em}.funnel span{display:block;margin-top:4px;color:var(--muted);font-size:.66rem}
.funnel i{color:var(--soft);font-style:normal;font-weight:950}.caption{margin:6px 0 20px;color:var(--muted);font-size:.67rem}
.workflow-table{display:grid;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.workflow-table article{display:grid;grid-template-columns:42px minmax(0,1fr) 130px;gap:12px;align-items:center;padding:12px 14px;border-top:1px solid var(--line);background:var(--card-2)}
.workflow-table article:first-child{border-top:0}.workflow-table article:nth-child(even){background:color-mix(in srgb,var(--pale) 38%,var(--card))}
.workflow-table article>span{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--pale);color:var(--blue);font-size:.6rem;font-weight:950}
.workflow-table b{display:block;font-size:.8rem}.workflow-table p{margin:3px 0 0;color:var(--muted);font-size:.72rem}.workflow-table em{justify-self:end;border-radius:999px;background:var(--card);border:1px solid var(--line);padding:5px 7px;color:var(--muted);font-style:normal;font-size:.56rem;font-weight:850}
.inline-actions{display:flex;gap:8px;margin-top:16px}

.evidence-section{border-color:#cfdcf5}
.evidence-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.evidence-grid article{border:1px solid var(--line);border-radius:16px;background:var(--card-2);padding:15px}
.evidence-grid h3{margin:11px 0 6px;font-size:.86rem}.evidence-grid p{margin:0;color:var(--muted);font-size:.72rem}
.badge{display:inline-flex;border-radius:999px;padding:5px 8px;font-size:.55rem;font-weight:950;letter-spacing:.04em}
.badge.computed{background:#eaf3ff;color:#1263d7}.badge.retrieved{background:#f1efff;color:#6755d9}.badge.measured{background:#e8f8f1;color:#08765d}.badge.reviewed{background:#fff4db;color:#916000}
:root[data-theme="dark"] .badge.computed{background:#12355d;color:#8fc1ff}:root[data-theme="dark"] .badge.retrieved{background:#282351;color:#b9adff}:root[data-theme="dark"] .badge.measured{background:#123a30;color:#82d5bb}:root[data-theme="dark"] .badge.reviewed{background:#403112;color:#ffd37a}
.comparison-steps{display:grid;grid-template-columns:repeat(7,minmax(170px,1fr));gap:8px;overflow-x:auto;padding-bottom:5px;scrollbar-width:thin}
.comparison-steps article{min-height:180px;border:1px solid var(--line);border-radius:15px;background:var(--card-2);padding:13px}
.comparison-steps article>b{display:grid;place-items:center;width:27px;height:27px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;font-size:.62rem}
.comparison-steps strong{display:block;margin:10px 0 5px;font-size:.82rem}.comparison-steps p{margin:0;color:var(--muted);font-size:.7rem}
.uncertainty-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.uncertainty-grid article:last-child{grid-column:span 3;background:linear-gradient(135deg,var(--pale),var(--card-2))}
.case-study{border:1px solid var(--line-strong);border-radius:19px;overflow:hidden;background:var(--card-2);box-shadow:var(--shadow-soft)}
.case-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 17px;border-bottom:1px solid var(--line);background:linear-gradient(135deg,var(--pale),var(--card))}
.case-head span{display:block;color:var(--purple);font-size:.54rem;letter-spacing:.09em;font-weight:950}.case-head h4{margin:3px 0 0;font-size:1.06rem}.status{border-radius:999px;padding:6px 9px;font-size:.58rem;font-weight:950;white-space:nowrap}.status.mixed{background:var(--amber-pale);color:#8d5c00}
.case-grid{grid-template-columns:repeat(4,minmax(0,1fr));padding:12px}.case-grid article{background:var(--card)}.case-grid article>b{display:block;margin:9px 0 5px;font-size:.7rem;color:var(--muted)}.case-grid article>strong{display:block;font-size:.83rem;line-height:1.25}.case-grid article p{margin:6px 0 0;color:var(--muted);font-size:.69rem}
.case-conclusion{border-top:1px solid var(--line);padding:14px 17px}.case-conclusion span{display:block;color:var(--blue);font-size:.57rem;text-transform:uppercase;letter-spacing:.08em;font-weight:950}.case-conclusion p{margin:5px 0;color:var(--muted);font-size:.77rem}.case-conclusion b{font-size:.76rem}
.claim-card{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:1px;border:1px solid var(--line);border-radius:17px;overflow:hidden;background:var(--line)}
.claim-card>div{background:var(--card-2);padding:14px}.claim-card span{display:block;margin-bottom:6px;color:var(--blue);font-size:.54rem;letter-spacing:.09em;font-weight:950}.claim-card strong{font-size:.88rem}.claim-card p{margin:0;color:var(--muted);font-size:.71rem}

.tl-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.tl-grid article{position:relative;overflow:hidden}.tl-grid article:before{content:"";position:absolute;inset:0 auto 0 0;width:3px;background:linear-gradient(var(--blue),var(--purple))}.tl-grid b{display:block;margin-bottom:6px;color:var(--blue);font-size:.7rem;letter-spacing:.08em}
.decision-grid{grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:20px}.decision{border:1px solid var(--line);border-radius:16px;background:var(--card-2);padding:15px}.decision span{font-size:.65rem;font-weight:950}.decision p{margin:7px 0 0;color:var(--muted);font-size:.73rem}.decision.nominate{border-top:3px solid var(--teal)}.decision.nominate span{color:var(--teal)}.decision.conditional{border-top:3px solid var(--blue)}.decision.conditional span{color:var(--blue)}.decision.hold{border-top:3px solid var(--amber)}.decision.hold span{color:var(--amber)}.decision.kill{border-top:3px solid var(--red)}.decision.kill span{color:var(--red)}

.tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.tool-grid a{display:block;position:relative;border:1px solid var(--line);border-radius:17px;background:var(--card-2);padding:16px;text-decoration:none;transition:.18s ease;overflow:hidden}
.tool-grid a:hover{transform:translateY(-2px);border-color:var(--blue);box-shadow:var(--shadow-soft)}
.tool-grid a>span{display:inline-flex;border-radius:999px;background:var(--pale);padding:5px 7px;color:var(--blue);font-size:.55rem;text-transform:uppercase;font-weight:950;letter-spacing:.06em}
.tool-grid b{display:block;margin:10px 0 5px;font-size:.9rem}.tool-grid p{margin:0;color:var(--muted);font-size:.72rem}.tool-grid em{display:block;margin-top:12px;color:var(--purple);font-style:normal;font-size:.6rem;font-weight:900}
.faq-large details{background:var(--card)}
.glossary-table table{min-width:900px}

.download-card{display:flex;align-items:center;justify-content:space-between;gap:26px;margin-top:26px;border-radius:26px;padding:30px;background:
  radial-gradient(circle at 85% 0,rgba(111,92,231,.3),transparent 22rem),
  linear-gradient(135deg,#06172d,#0a315f);color:#fff;box-shadow:var(--shadow)}
.download-card span{display:block;color:#add5ff;font-size:.58rem;letter-spacing:.11em;font-weight:950}.download-card h2{margin:5px 0 7px;max-width:760px;font-size:clamp(1.45rem,2.8vw,2.25rem);line-height:1.05;letter-spacing:-.035em}.download-card p{margin:0;max-width:800px;color:#d0e2f3;font-size:.76rem}.download-card .btn{flex:0 0 auto}

code{border-radius:6px;background:var(--pale);padding:2px 5px;color:var(--purple);font-size:.88em;font-weight:800}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(23,105,232,.42);outline-offset:3px}
.search-hidden{display:none!important}
.search-hit{animation:searchPulse .9s ease}
@keyframes searchPulse{0%{box-shadow:0 0 0 0 rgba(23,105,232,.22)}100%{box-shadow:0 0 0 15px rgba(23,105,232,0)}}

@media(max-width:1180px){
  .lens-grid.four,.risk-grid,.evidence-grid,.case-grid,.decision-grid,.tl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .uncertainty-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.uncertainty-grid article:last-child{grid-column:span 2}
  .tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .journey-track{grid-template-columns:repeat(8,150px)}
}

@media(max-width:920px){
  .topbar nav>a:not(.download){display:none}
  .hero{grid-template-columns:1fr;min-height:auto}
  .hero-principle{max-width:700px}
  .guide-layout{grid-template-columns:1fr}
  .toc{position:static;max-height:none;display:flex;overflow-x:auto;gap:4px;padding:9px}
  .toc-title,.toc-actions{display:none}.toc>a{white-space:nowrap;border:1px solid var(--line);background:var(--card-2)}
  .guide-section{grid-template-columns:1fr}.section-marker{position:static;display:flex;align-items:center;justify-content:flex-start}.section-marker i{writing-mode:horizontal-tb;transform:none}
  .section-head{grid-template-columns:1fr;gap:10px;align-items:start}
  .lens-grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}
  .claim-card{grid-template-columns:1fr 1fr}
}

@media(max-width:650px){
  .manual-shell,.topbar-inner{width:min(100% - 22px,var(--max))}
  .topbar-inner{min-height:62px}.brand small{display:none}.brand span{font-size:.86rem}.brand img{width:36px;height:36px}
  .topbar nav .download{font-size:0;width:38px;height:38px;padding:0}.topbar nav .download:after{content:"PDF";font-size:.61rem}.topbar nav button{width:36px;height:36px}
  .hero{margin-top:11px;padding:29px 19px;border-radius:23px;gap:24px}.hero h1{font-size:2.65rem}.hero-copy>p{font-size:.88rem}.hero-meta span:nth-child(2){display:none}
  .manual-search kbd{display:none}.principle-list p{grid-template-columns:105px 1fr}
  .journey{padding-top:23px}.journey-track{grid-template-columns:repeat(8,145px)}
  .guide-layout{padding-top:12px;gap:16px}.guide-section{padding:23px 16px;border-radius:20px;margin-bottom:14px}.section-marker span{width:39px;height:39px;border-radius:12px}
  .section-head h2{font-size:2rem}.section-head>p{font-size:.8rem}
  .lens-grid.four,.lens-grid.three,.risk-grid,.evidence-grid,.uncertainty-grid,.case-grid,.decision-grid,.tl-grid,.tool-grid{grid-template-columns:1fr}.uncertainty-grid article:last-child{grid-column:auto}
  .step-list li{grid-template-columns:1fr;gap:4px;padding-left:40px}.step-list b{font-size:.8rem}
  .concept-hero{grid-template-columns:1fr}.concept-hero .arrow{transform:rotate(90deg);height:24px}.compare-strip{grid-template-columns:1fr}
  .funnel{grid-template-columns:1fr}.funnel i{transform:rotate(90deg);height:20px}.workflow-table article{grid-template-columns:35px 1fr}.workflow-table em{grid-column:2;justify-self:start}
  .comparison-steps{grid-template-columns:repeat(7,180px)}
  .claim-card{grid-template-columns:1fr}.case-head{align-items:flex-start;flex-direction:column}.micro-rule{grid-template-columns:auto 1fr}
  .download-card{flex-direction:column;align-items:flex-start;padding:24px 19px;border-radius:21px}.download-card .btn{width:100%}
  table{font-size:.69rem}th,td{padding:9px 10px}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}