.syl-page{--ink:#161329;--ink-70:#3c3954;--ink-50:#6f6c85;--rule:#eceaf3;--rule-2:#dcdae8;--accent:#5b4fcf;--accent-deep:#4a3fb8;--wash:#eeecfb;--lilac:#e7e1fa;--mint:#d4f0e1;--mint-ink:#2f7a4f;--peach:#ffd9be;--butter:#fff1d6;--butter-ink:#8a6410;--navy:#3b6fd4;color:var(--ink);font-family:var(--font-sans), system-ui, sans-serif;background:#fff;min-height:100vh}.syl-main{flex-direction:column;gap:40px;max-width:980px;margin:0 auto;padding:clamp(32px,6vh,64px) 20px 88px;display:flex}.syl-hero{flex-direction:column;gap:14px;display:flex}.syl-hero h1{font:700 clamp(32px, 4.4vw, 52px)/1.04 var(--font-display), sans-serif;letter-spacing:-.035em;margin:0}.syl-hero h1 em{color:var(--accent);font-style:italic}.syl-hero p{max-width:62ch;color:var(--ink-70);margin:0;font-size:17px;line-height:1.65}.syl-proof{color:var(--ink-50);flex-wrap:wrap;gap:8px 18px;margin:4px 0 0;padding:0;font-size:13.5px;list-style:none;display:flex}.syl-proof li:before{content:"";background:var(--accent);border-radius:2px;width:7px;height:7px;margin-right:8px;display:inline-block}.syl{flex-direction:column;gap:40px;display:flex}.syl-eyebrow{font:600 12px/1 var(--font-mono), monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-50);align-items:center;gap:8px;margin-bottom:14px;display:inline-flex}.syl-sq{background:var(--accent);border-radius:3px;flex-shrink:0;width:11px;height:11px}.syl-sq-ink{background:var(--ink)}.syl-h2{font:700 clamp(25px, 3.2vw, 32px)/1.15 var(--font-display), sans-serif;letter-spacing:-.02em;color:var(--ink);margin:0 0 18px}.syl-h2 em{color:var(--accent);font-style:italic}.syl-toggle{border:1px solid var(--rule);background:#f6f5fb;border-radius:12px;align-self:flex-start;gap:4px;padding:4px;display:inline-flex}.syl-toggle button{font:600 15px/1 var(--font-sans), sans-serif;color:var(--ink-50);cursor:pointer;background:0 0;border:0;border-radius:9px;padding:11px 22px;transition:background .15s,color .15s}.syl-toggle button.on{background:var(--accent);color:#fff}.syl-toggle button:not(.on):hover{color:var(--ink)}.syl-toggle button:focus-visible,.syl-section-head:focus-visible{outline-offset:2px;outline:3px solid #8176dc}.syl-info{flex-direction:column;gap:8px;display:flex}.syl-paper-info{font:600 14.5px/1.5 var(--font-mono), monospace;color:var(--accent);margin:0}.syl-overview{color:var(--ink-70);max-width:68ch;margin:0;font-size:16.5px;line-height:1.7}.syl-sections{flex-direction:column;gap:12px;display:flex}.syl-section{border:1px solid var(--rule);background:#fff;border-radius:16px;overflow:hidden}.syl-section-head{cursor:pointer;text-align:left;width:100%;font:inherit;color:inherit;background:0 0;border:0;justify-content:space-between;align-items:center;gap:12px;padding:18px 20px;display:flex}.syl-section-head:hover{background:#faf9fe}.syl-section-head-left{align-items:center;gap:13px;min-width:0;display:flex}.syl-section-icon{border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;display:flex}.syl-section-icon-acc{background:var(--wash);color:var(--accent)}.syl-section-icon-grn{background:var(--mint);color:var(--mint-ink)}.syl-section-icon-tan{background:var(--peach);color:#8a4b1f}.syl-section-icon-amb{background:var(--butter);color:var(--butter-ink)}.syl-section-name{font:700 18.5px/1.2 var(--font-display), sans-serif;letter-spacing:-.01em}.syl-section-meta{flex-shrink:0;align-items:center;gap:10px;display:flex}.syl-section-count{font:500 12.5px/1 var(--font-mono), monospace;color:var(--ink-50);white-space:nowrap}.syl-chev{color:var(--ink-50);flex-shrink:0;transition:transform .15s}.syl-chev.open{transform:rotate(180deg)}.syl-section-body{flex-direction:column;gap:18px;padding:0 20px 22px;display:flex}.syl-topics{grid-template-columns:1fr;gap:10px;margin:0;padding:0;list-style:none;display:grid}@media (min-width:640px){.syl-topics{grid-template-columns:1fr 1fr}}.syl-topics li{color:var(--ink-70);align-items:flex-start;gap:9px;font-size:15px;line-height:1.55;display:flex}.syl-topics li svg{color:var(--mint-ink);flex-shrink:0;margin-top:3px}.syl-books-grid{grid-template-columns:1fr;gap:10px;display:grid}@media (min-width:640px){.syl-books-grid{grid-template-columns:1fr 1fr}}.syl-book{border:1px solid var(--rule);border-left:4px solid var(--rule-2);background:#faf9fe;border-radius:4px 12px 12px 4px;padding:15px 16px}.syl-book-essential{border-color:var(--lilac);border-left-color:var(--accent);background:var(--wash)}.syl-book-reference{border-left-color:var(--navy)}.syl-book-top{align-items:flex-start;gap:9px;display:flex}.syl-book-icon{color:var(--ink-50);flex-shrink:0;margin-top:2px}.syl-book-essential .syl-book-icon{color:var(--accent)}.syl-book-title{font:700 15.5px/1.3 var(--font-display), sans-serif;letter-spacing:-.01em;flex:1}.syl-book-tag{font:600 10.5px/1 var(--font-mono), monospace;text-transform:uppercase;letter-spacing:.06em;white-space:nowrap;border-radius:999px;flex-shrink:0;align-items:center;gap:4px;padding:5px 9px;display:inline-flex}.syl-book-tag-essential{background:var(--accent);color:#fff}.syl-book-tag-reference{background:var(--navy);color:#fff}.syl-book-tag-optional{background:var(--rule-2);color:var(--ink-70)}.syl-book-author{color:var(--ink-50);margin-top:6px;padding-left:24px;font-size:13px;font-weight:500;line-height:1.4}.syl-book-why{color:var(--ink-70);margin:8px 0 0;padding-left:24px;font-size:14px;line-height:1.55}.syl-practice-link{font:600 14.5px/1 var(--font-sans), sans-serif;color:var(--accent);align-self:flex-start;text-decoration:none;display:inline-flex}.syl-practice-link:hover{color:var(--accent-deep);text-decoration:underline}.syl-guide-grid{grid-template-columns:1fr;gap:16px;display:grid}@media (min-width:700px){.syl-guide-grid{grid-template-columns:1fr 1fr}}.syl-guide-step{gap:13px;display:flex}.syl-guide-n{background:var(--wash);width:32px;height:32px;color:var(--accent);font:700 14px/1 var(--font-mono), monospace;border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.syl-guide-title{font:700 15.5px/1.3 var(--font-sans), sans-serif;margin-bottom:4px}.syl-guide-step p{color:var(--ink-70);margin:0;font-size:14.5px;line-height:1.6}.syl-cross-note{color:var(--ink-50);margin:-10px 0 16px;font-size:14.5px;line-height:1.55}.syl-cta{background:var(--ink);border-radius:18px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:18px;padding:26px 28px;display:flex}.syl-cta-title{font:800 21px/1.2 var(--font-display), sans-serif;letter-spacing:-.015em;color:#fff;margin-bottom:6px}.syl-cta p{color:#ffffffb3;max-width:42ch;margin:0;font-size:14.5px;line-height:1.55}.syl-cta-links{flex-wrap:wrap;gap:10px;display:flex}.syl-btn{min-height:44px;font:600 14.5px/1 var(--font-sans), sans-serif;border-radius:12px;align-items:center;padding:0 20px;text-decoration:none;display:inline-flex}.syl-btn-primary{color:#fff;background:linear-gradient(135deg,#7657ef,#5741c9)}.syl-btn-ghost{color:#fff;border:1px solid #ffffff59}.syl-btn:hover{filter:brightness(1.08)}.syl-in-app{background:0 0;min-height:0}.syl-in-app .dp-title{margin-bottom:24px}.syl-in-app-sub{max-width:72ch;color:var(--ink-50);margin:6px 0 0;font-size:14px;line-height:1.6}.syl-in-app .syl{gap:30px}.syl-in-app .syl-toggle button{padding:9px 18px;font-size:14px}.syl-in-app .syl-info{max-width:820px}.syl-in-app .syl-paper-info{font-size:13px}.syl-in-app .syl-overview{font-size:15px}.syl-in-app .syl-topics li{font-size:14.5px}.syl-in-app .syl-section-name{font-size:16.5px;font-weight:600}.syl-in-app .syl-book-title{font-size:15px;font-weight:600}.syl-in-app .syl-guide-title{font-weight:600}.syl-in-app .syl-h2{margin-bottom:14px;font-size:21px;font-weight:600}.syl-in-app .syl-cta-title{font-size:19px;font-weight:700}