:root{--slate-900: #2D353D;--slate-700: #505A65;--slate-400: #8FA3B5;--surface-light: #F1F4F7;--surface-card: #FFFFFF;--border-subtle: rgba(45, 53, 61, .14);--border-dark: rgba(143, 163, 181, .28)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--surface-light);color:var(--slate-900);line-height:1.68;font-size:16px;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,.brand-title{font-family:"Exo 2",sans-serif;color:var(--slate-900);line-height:1.25;margin-top:0}a{color:var(--slate-900);text-decoration-color:var(--slate-400);text-underline-offset:3px;transition:color .15s ease,text-decoration-color .15s ease}a:hover{color:var(--slate-700);text-decoration-color:var(--slate-900)}.container{width:100%;max-width:900px;margin:0 auto;padding:0 1.25rem}.site-header{background-color:var(--slate-900);color:var(--surface-light);border-bottom:1px solid var(--border-dark);position:sticky;top:0;z-index:20}.site-header .container{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.75rem 1.5rem;padding-top:.9rem;padding-bottom:.9rem}.brand-title{font-size:1.125rem;font-weight:700;color:#fff;text-decoration:none;letter-spacing:.01em}.brand-title:hover{color:var(--slate-400)}.top-nav{display:flex;flex-wrap:wrap;align-items:center;gap:.65rem 1.25rem;font-size:.9rem}.top-nav a{color:var(--surface-light);text-decoration:none;border-bottom:1px solid transparent;padding-bottom:2px}.top-nav a:hover{color:var(--slate-400);border-bottom-color:var(--slate-400)}.hero-band{background-color:var(--slate-900);color:var(--surface-light);padding:3.25rem 0 3.5rem;border-bottom:3px solid var(--slate-400)}.hero-band h1{color:#fff;font-size:clamp(1.85rem,3.6vw,2.5rem);font-weight:700;margin-bottom:.75rem}.hero-subtitle{font-family:"Exo 2",sans-serif;font-size:clamp(1.05rem,2vw,1.25rem);font-weight:500;color:var(--slate-400);margin:0 0 1.25rem;line-height:1.4}.hero-band p{color:var(--surface-light);margin:0 0 1rem;max-width:72ch}.hero-band blockquote{margin:1.25rem 0;padding:.9rem 1.15rem;border-left:3px solid var(--slate-400);background:#ffffff0d;color:var(--surface-light)}.hero-band a{color:#fff;text-decoration-color:var(--slate-400)}main{padding:2.5rem 0 4rem}.section-card{background-color:var(--surface-card);border:1px solid var(--border-subtle);border-radius:8px;padding:1.85rem 2rem;margin-bottom:1.75rem;box-shadow:0 1px 3px #2d353d0d}@media (max-width: 640px){.section-card{padding:1.35rem 1.25rem}}.section-card h2{font-size:1.45rem;font-weight:700;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid var(--surface-light)}.section-card h3{font-size:1.2rem;font-weight:600;margin-top:1.5rem;margin-bottom:.65rem}.section-card h4{font-size:1.05rem;font-weight:600;color:var(--slate-700);margin-top:1.35rem;margin-bottom:.5rem}.section-card p{margin:0 0 1rem}.section-card p:last-child{margin-bottom:0}.section-card ul{margin:.5rem 0 1.1rem;padding-left:1.35rem}.section-card li{margin-bottom:.45rem}.section-card blockquote{margin:.85rem 0 1.15rem;padding:.85rem 1.1rem;background-color:var(--surface-light);border-left:3px solid var(--slate-700);color:var(--slate-900);border-radius:0 4px 4px 0}.concept-item,.essay-item,.company-item,.impact-item,.platform-item{padding:.95rem 1.1rem;background-color:var(--surface-light);border:1px solid var(--border-subtle);border-radius:6px;margin-bottom:.9rem}.concept-item:last-child,.essay-item:last-child,.company-item:last-child,.impact-item:last-child,.platform-item:last-child{margin-bottom:0}.essay-link{font-family:"Exo 2",sans-serif;font-weight:600;font-size:1.04rem;color:var(--slate-900);text-decoration:underline;text-decoration-color:var(--slate-400)}.essay-link:hover{color:var(--slate-700);text-decoration-color:var(--slate-900)}.pending-link{display:inline-block;font-weight:600;color:var(--slate-900);background-color:var(--surface-light);border:1px dashed var(--slate-400);padding:.25rem .6rem;border-radius:4px;font-size:.95rem}.pending-badge{font-size:.78rem;font-weight:500;color:var(--slate-700);margin-left:.35rem}.cta-link{display:inline-block;background-color:var(--slate-900);color:#fff!important;text-decoration:none;font-weight:600;padding:.6rem 1.1rem;border-radius:5px;margin:.35rem 0 .75rem}.cta-link:hover{background-color:var(--slate-700)}.cover-placeholder{background-color:var(--surface-light);border:1px dashed var(--slate-400);border-radius:6px;padding:1rem 1.25rem;margin-bottom:1.15rem;color:var(--slate-700);font-size:.92rem}.book-layout{display:flex;flex-wrap:wrap;gap:1.75rem;align-items:flex-start}.book-cover-img{width:210px;max-width:100%;height:auto;border-radius:6px;border:1px solid var(--border-subtle);box-shadow:0 6px 18px #2d353d24}.book-details{flex:1 1 320px}.meta-line{color:var(--slate-700);font-style:italic;font-size:.95rem}.breadcrumb-link{display:inline-block;font-size:.9rem;color:var(--slate-400)!important;text-decoration:none;margin-bottom:.85rem}.breadcrumb-link:hover{color:#fff!important;text-decoration:underline}.article-prose{max-width:68ch;margin:0 auto;font-size:1.04rem;line-height:1.76}.article-prose h2{margin-top:2rem;margin-bottom:.85rem;font-size:1.32rem;border-bottom:1px solid var(--surface-light);padding-bottom:.35rem}.article-prose p{margin:0 0 1.15rem}.yp-card-figure,.essay-figure{margin:1.5rem auto 1.75rem;text-align:center}.yp-card-figure img{max-width:340px;width:100%;height:auto;border-radius:8px;box-shadow:0 4px 14px #2d353d1f}.essay-figure img{max-width:100%;border-radius:6px;border:1px solid var(--border-subtle)}.essay-figure figcaption{margin-top:.45rem;font-size:.9rem;color:var(--slate-700)}.series-nav{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;margin-top:2.25rem;padding-top:1.25rem;border-top:1px solid var(--border-subtle);font-size:.95rem}.form-field{margin-bottom:1.1rem}.form-field label{display:block;font-weight:600;margin-bottom:.35rem;font-size:.95rem}.form-field input[type=text],.form-field input[type=email],.form-field textarea{width:100%;padding:.65rem .8rem;border:1px solid var(--slate-400);border-radius:5px;font-family:inherit;font-size:.98rem;background:#fff;color:var(--slate-900)}.site-footer{background-color:var(--slate-900);color:var(--surface-light);border-top:1px solid var(--border-dark);padding:2rem 0;font-size:.9rem}.footer-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem}.footer-links{display:flex;flex-wrap:wrap;gap:.75rem 1.35rem}.footer-links a{color:var(--slate-400);text-decoration:none}.footer-links a:hover{color:#fff;text-decoration:underline}
