.learn-hub{width:min(1160px,100%)}
.learn-breadcrumbs{display:flex;flex-wrap:wrap;gap:.35rem .55rem;margin:1.4rem 0;color:var(--color-text-muted);font-size:.82rem}
.learn-breadcrumbs a{color:var(--color-text-muted)}
.learn-hero{position:relative;display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr);gap:clamp(1rem,4vw,2.5rem);align-items:end;min-height:460px;padding:clamp(1.5rem,6vw,4.5rem);border:1px solid var(--color-border);border-radius:clamp(24px,5vw,40px);background:
  radial-gradient(circle at 12% 12%,color-mix(in srgb,var(--color-accent) 22%,transparent),transparent 30%),
  radial-gradient(circle at 84% 76%,color-mix(in srgb,var(--color-info) 16%,transparent),transparent 32%),
  linear-gradient(145deg,var(--color-surface-raised),var(--color-surface));
box-shadow:var(--shadow-elevated);overflow:hidden}
.learn-hero::before{content:"";position:absolute;inset:1px;border-radius:inherit;border:1px solid color-mix(in srgb,var(--color-text-strong) 7%,transparent);pointer-events:none}
.learn-hero-copy{position:relative;z-index:1}
.learn-eyebrow,.learn-card-kicker{margin:0 0 .65rem;color:var(--color-accent-bright);font-size:.74rem;font-weight:850;letter-spacing:.11em;text-transform:uppercase}
.learn-hero h1{max-width:11ch;margin:0;font-size:clamp(2.5rem,7vw,5.7rem);line-height:.96;letter-spacing:-.055em}
.learn-hero .lede{max-width:680px;margin:1.35rem 0 0;color:var(--color-text-muted);font-size:clamp(1rem,2vw,1.18rem);line-height:1.7}
.learn-trust{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:1.5rem}
.learn-trust span{display:inline-flex;align-items:center;min-height:34px;padding:.4rem .7rem;border:1px solid var(--color-border);border-radius:var(--radius-pill);background:color-mix(in srgb,var(--color-surface-raised) 82%,transparent);color:var(--color-text);font-size:.76rem;font-weight:750}
.learn-trust span::before{content:"";width:6px;height:6px;margin-right:.45rem;border-radius:50%;background:var(--color-accent)}
.learn-start{position:relative;z-index:1;padding:1.35rem;border:1px solid color-mix(in srgb,var(--color-accent) 38%,var(--color-border));border-radius:var(--radius-xl);background:color-mix(in srgb,var(--color-surface-raised) 86%,transparent);box-shadow:var(--shadow-subtle);backdrop-filter:blur(16px)}
.learn-start h2{margin:0;font-size:clamp(1.3rem,3vw,1.75rem);line-height:1.15}
.learn-start p:not(.learn-card-kicker){margin:.7rem 0 1rem;color:var(--color-text-muted);font-size:.92rem;line-height:1.6}
.learn-start a{display:inline-flex;align-items:center;justify-content:space-between;width:100%;min-height:46px;padding:.7rem .85rem;border-radius:var(--radius-md);background:var(--color-accent);color:var(--color-on-accent);font-weight:800;text-decoration:none}
.learn-section{margin:clamp(3.75rem,9vw,7rem) 0}
.learn-section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(250px,.42fr);gap:1.5rem;align-items:end;margin-bottom:1.4rem}
.learn-section-head h2{max-width:18ch;margin:0;font-size:clamp(1.8rem,4vw,3rem);line-height:1.05;letter-spacing:-.035em}
.learn-section-head>p{margin:0;color:var(--color-text-muted);line-height:1.65}
.learn-path-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.learn-path-card{position:relative;display:grid;min-height:290px;padding:clamp(1.25rem,3vw,1.65rem);border:1px solid var(--color-border);border-radius:var(--radius-2xl);background:linear-gradient(145deg,var(--color-surface-raised),var(--color-surface));box-shadow:var(--shadow-subtle);color:var(--color-text);text-decoration:none;overflow:hidden;transition:border-color var(--duration-base) var(--ease-standard),transform var(--duration-base) var(--ease-standard),box-shadow var(--duration-base) var(--ease-standard)}
.learn-path-card::after{content:"";position:absolute;right:-60px;bottom:-80px;width:190px;height:190px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--color-accent) 16%,transparent),transparent 70%);transition:transform var(--duration-slow) var(--ease-standard)}
.learn-path-card:hover{border-color:color-mix(in srgb,var(--color-accent) 65%,var(--color-border));transform:translateY(-4px);box-shadow:var(--shadow-elevated)}
.learn-path-card:hover::after{transform:scale(1.15)}
.learn-path-number{position:absolute;top:1rem;right:1.2rem;color:color-mix(in srgb,var(--color-text-muted) 44%,transparent);font-family:var(--font-display);font-size:2.4rem;font-weight:800;letter-spacing:-.05em}
.learn-path-card .learn-card-kicker{padding-right:3.6rem}
.learn-path-card strong{max-width:15ch;margin-top:.35rem;color:var(--color-text-strong);font-family:var(--font-display);font-size:clamp(1.35rem,3vw,1.9rem);line-height:1.1}
.learn-path-card>span:not(.learn-path-number):not(.learn-card-kicker){max-width:48ch;margin-top:.75rem;color:var(--color-text-muted);font-size:.93rem;line-height:1.65}
.learn-path-card>b{align-self:end;margin-top:1rem;color:var(--color-accent-bright);font-size:.88rem}
.learn-path-ai{background:linear-gradient(145deg,color-mix(in srgb,var(--color-accent-soft) 72%,var(--color-surface-raised)),var(--color-surface))}
.learn-role-filters{display:flex;flex-wrap:wrap;gap:.55rem;margin:1.5rem 0}
.learn-role-filters button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.62rem .9rem;border:1px solid var(--color-border);border-radius:var(--radius-pill);background:var(--color-surface-raised);color:var(--color-text-muted);font:750 .82rem/1.2 var(--font-body);cursor:pointer;transition:border-color var(--duration-fast) var(--ease-standard),background-color var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard),transform var(--duration-fast) var(--ease-standard)}
.learn-role-filters button:hover{border-color:var(--color-accent);color:var(--color-text-strong);transform:translateY(-1px)}
.learn-role-filters button[aria-pressed="true"]{border-color:var(--color-accent);background:var(--color-accent);color:var(--color-on-accent)}
.learn-progress{display:grid;grid-template-columns:minmax(0,1fr) minmax(180px,.55fr);gap:1rem;align-items:center;margin:0 0 1.25rem;padding:1rem 1.1rem;border:1px solid var(--color-border);border-radius:var(--radius-xl);background:color-mix(in srgb,var(--color-surface-raised) 84%,transparent)}
.learn-progress strong,.learn-progress span{display:block}.learn-progress strong{color:var(--color-text-strong);font-size:.88rem}.learn-progress div>span{margin-top:.2rem;color:var(--color-text-muted);font-size:.75rem}
.learn-progress-bar{height:8px;border-radius:var(--radius-pill);background:var(--color-surface-inset);overflow:hidden}.learn-progress-bar span{display:block;width:var(--learn-progress,0%);height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--color-accent),var(--color-accent-bright));transition:width var(--duration-slow) var(--ease-standard)}
.learn-guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.learn-guide-card{display:grid;align-content:start;min-height:300px;padding:1.25rem;border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-surface);box-shadow:var(--shadow-subtle)}
.learn-guide-card.is-complete{border-color:color-mix(in srgb,var(--color-success) 50%,var(--color-border));background:linear-gradient(145deg,color-mix(in srgb,var(--color-success) 6%,var(--color-surface)),var(--color-surface))}
.learn-guide-card[hidden]{display:none}
.learn-guide-meta{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1rem}
.learn-guide-meta span{display:inline-flex;align-items:center;min-height:26px;padding:.28rem .5rem;border:1px solid var(--color-border);border-radius:var(--radius-pill);background:var(--color-accent-soft);color:var(--color-accent-bright);font-size:.68rem;font-weight:800;letter-spacing:.035em;text-transform:uppercase}
.learn-guide-card h3{margin:0 0 .65rem;font-size:1.25rem;line-height:1.2}
.learn-guide-card p{margin:0;color:var(--color-text-muted);font-size:.9rem;line-height:1.65}
.learn-guide-card a{display:inline-flex;align-items:center;align-self:end;min-height:44px;margin-top:1rem;color:var(--color-accent-bright);font-weight:800;text-decoration:none}
.learn-guide-card a::after{content:" →";margin-left:.3rem}
.learn-filter-status{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.learn-empty{padding:1.25rem;border:1px dashed var(--color-border);border-radius:var(--radius-xl);color:var(--color-text-muted);text-align:center}
.learn-continue{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:clamp(1rem,5vw,3rem);padding:clamp(1.25rem,4vw,2rem);border:1px solid var(--color-border);border-radius:var(--radius-2xl);background:linear-gradient(145deg,var(--color-surface-raised),var(--color-surface));box-shadow:var(--shadow-subtle)}
.learn-continue h2{margin:0;font-size:clamp(1.75rem,4vw,2.7rem);line-height:1.08}
.learn-continue>div>p:not(.learn-eyebrow){color:var(--color-text-muted);line-height:1.65}
.learn-continue-links{display:grid;gap:.75rem}
.learn-continue-links a{display:grid;padding:1rem 1.05rem;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:color-mix(in srgb,var(--color-surface-raised) 82%,transparent);color:var(--color-text);text-decoration:none;transition:border-color var(--duration-fast) var(--ease-standard),transform var(--duration-fast) var(--ease-standard)}
.learn-continue-links a:hover{border-color:var(--color-accent);transform:translateX(3px)}
.learn-continue-links strong{color:var(--color-text-strong)}
.learn-continue-links span{margin-top:.25rem;color:var(--color-text-muted);font-size:.82rem}
.learn-disclosure{margin:2rem 0;padding:1.1rem;border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border);color:var(--color-text-muted);font-size:.84rem}

/* Decision primers */
.learn-primer{width:min(1120px,100%)}
.primer-hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(260px,.55fr);gap:clamp(1.25rem,5vw,3rem);align-items:end;padding:clamp(1.5rem,6vw,4rem);border:1px solid var(--color-border);border-radius:clamp(24px,5vw,40px);background:radial-gradient(circle at 85% 15%,color-mix(in srgb,var(--color-accent) 18%,transparent),transparent 30%),linear-gradient(145deg,var(--color-surface-raised),var(--color-surface));box-shadow:var(--shadow-elevated)}
.primer-hero h1{max-width:15ch;margin:0;font-size:clamp(2.25rem,6vw,5rem);line-height:.98;letter-spacing:-.052em}.primer-hero .lede{max-width:720px;margin:1.2rem 0 0;color:var(--color-text-muted);font-size:clamp(1rem,2vw,1.15rem);line-height:1.7}
.primer-facts{display:grid;gap:.75rem;margin:0;padding:1.2rem;border:1px solid color-mix(in srgb,var(--color-accent) 35%,var(--color-border));border-radius:var(--radius-xl);background:color-mix(in srgb,var(--color-surface-raised) 86%,transparent)}.primer-facts div{display:grid;gap:.2rem}.primer-facts dt{color:var(--color-text-muted);font-size:.7rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.primer-facts dd{margin:0;color:var(--color-text-strong);font-weight:750}
.primer-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,.32fr);gap:clamp(2rem,6vw,4rem);align-items:start;margin:clamp(2.5rem,7vw,5rem) 0}.primer-article{min-width:0}.primer-article section{scroll-margin-top:100px;margin:0 0 3.5rem}.primer-article h2{max-width:20ch;margin:0 0 1rem;font-size:clamp(1.65rem,4vw,2.65rem);line-height:1.08;letter-spacing:-.035em}.primer-article h3{margin:1.8rem 0 .65rem;font-size:1.15rem}.primer-article p,.primer-article li{color:var(--color-text-muted);line-height:1.75}.primer-article strong{color:var(--color-text-strong)}
.primer-answer{padding:clamp(1.2rem,4vw,1.8rem);border-left:4px solid var(--color-accent);border-radius:0 var(--radius-xl) var(--radius-xl) 0;background:var(--color-accent-soft)}.primer-answer p{margin:0;color:var(--color-text);font-size:clamp(1.05rem,2vw,1.2rem)}
.primer-choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem}.primer-choice{padding:1.15rem;border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-surface)}.primer-choice h3{margin:0 0 .55rem}.primer-choice p{margin:0;font-size:.9rem}.primer-choice .primer-not{margin-top:.8rem;padding-top:.8rem;border-top:1px solid var(--color-border);font-size:.82rem}
.primer-table-wrap{overflow-x:auto;border:1px solid var(--color-border);border-radius:var(--radius-xl)}.primer-table{width:100%;min-width:620px;border-collapse:collapse;background:var(--color-surface)}.primer-table th,.primer-table td{padding:.9rem 1rem;border-bottom:1px solid var(--color-border);text-align:left;vertical-align:top}.primer-table th{background:var(--color-surface-raised);color:var(--color-text-strong);font-size:.75rem;letter-spacing:.04em;text-transform:uppercase}.primer-table td{color:var(--color-text-muted);font-size:.88rem;line-height:1.55}.primer-table tr:last-child td{border-bottom:0}
.primer-callout{padding:1.15rem;border:1px solid var(--color-border);border-radius:var(--radius-xl);background:linear-gradient(145deg,var(--color-surface-raised),var(--color-surface))}.primer-callout p:first-child{margin-top:0}.primer-callout p:last-child{margin-bottom:0}
.primer-nav{position:sticky;top:90px;padding:1rem;border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-surface)}.primer-nav strong{display:block;margin-bottom:.6rem}.primer-nav a{display:block;min-height:38px;padding:.45rem 0;color:var(--color-text-muted);font-size:.82rem;text-decoration:none}.primer-nav a:hover{color:var(--color-accent-bright)}
.primer-sources{display:grid;gap:.7rem;padding:0;list-style:none}.primer-sources a{display:grid;padding:1rem;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);color:var(--color-text-strong);text-decoration:none}.primer-sources a span{margin-top:.2rem;color:var(--color-text-muted);font-size:.78rem}.primer-sources a:hover{border-color:var(--color-accent)}
.primer-complete{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1rem;align-items:center;padding:1.2rem;border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-surface-raised)}.primer-complete p{margin:0}.primer-complete p span{display:block;margin-top:.25rem;color:var(--color-text-muted);font-size:.78rem}.primer-complete button{min-height:46px;padding:.7rem 1rem;border:1px solid var(--color-accent);border-radius:var(--radius-pill);background:var(--color-accent);color:var(--color-on-accent);font:800 .82rem/1.2 var(--font-body);cursor:pointer}.primer-complete button[aria-pressed="true"]{background:transparent;color:var(--color-accent-bright)}
.primer-next{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem}.primer-next a{display:grid;padding:1rem;border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-surface);color:var(--color-text);text-decoration:none}.primer-next span{margin-top:.3rem;color:var(--color-text-muted);font-size:.8rem}
@media (max-width:880px){.learn-hero,.primer-hero{grid-template-columns:1fr;min-height:0}.learn-hero h1{max-width:13ch}.learn-section-head,.learn-continue,.primer-layout{grid-template-columns:1fr}.learn-guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.primer-nav{position:static;display:none}}
@media (max-width:620px){.learn-hero,.primer-hero{padding:1.25rem;border-radius:24px}.learn-path-grid,.learn-guide-grid,.primer-choice-grid,.primer-next{grid-template-columns:1fr}.learn-path-card,.learn-guide-card{min-height:0}.learn-role-filters{display:grid;grid-template-columns:1fr 1fr}.learn-role-filters button:first-child{grid-column:1/-1}.learn-trust,.learn-progress,.primer-complete{grid-template-columns:1fr}.learn-trust span{justify-content:flex-start}}
@media (max-width:360px){.learn-role-filters{grid-template-columns:1fr}.learn-role-filters button:first-child{grid-column:auto}}
@media (prefers-reduced-motion:reduce){.learn-path-card,.learn-path-card::after,.learn-role-filters button,.learn-continue-links a,.learn-progress-bar span{transition:none}}
@media print{.content-header,.learn-role-filters,.learn-continue{display:none!important}.learn-hero,.learn-path-card,.learn-guide-card{box-shadow:none;break-inside:avoid}.learn-path-grid,.learn-guide-grid{display:block}.learn-path-card,.learn-guide-card{margin-bottom:1rem}}