:root{--color-primary:#0f172a;--color-accent:#dc2626;--color-accent-hover:#b91c1c;--color-accent-soft:#fef2f2;--color-surface:#fff;--color-surface-2:#f8fafc;--color-surface-3:#f1f5f9;--color-border:#e2e8f0;--color-border-dark:#cbd5e1;--color-text:#0f172a;--color-text-muted:#475569;--color-text-light:#5f6b7d;--color-success:#16a34a;--color-warning:#d97706;--color-success-text:#126e34;--color-warning-text:#a04a08;--color-lab-openai:#10b981;--color-lab-anthropic:#f97316;--color-lab-deepmind:#3b82f6;--color-lab-meta:#1d4ed8;--color-lab-google:#ef4444;--color-lab-huggingface:#f59e0b;--color-lab-mistral:#8b5cf6;--color-lab-other:#6b7280;--font-display:"Playfair Display",Georgia,serif;--font-body:"Source Sans 3",system-ui,sans-serif;--font-mono:"JetBrains Mono",monospace;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--shadow-sm:0 1px 3px rgba(0,0,0,.08);--shadow-md:0 4px 12px rgba(0,0,0,.1);--shadow-lg:0 8px 24px rgba(0,0,0,.12)}.font-display{font-family:var(--font-display)}.font-body{font-family:var(--font-body)}.font-mono{font-family:var(--font-mono)}@keyframes ticker-scroll{0%{transform:translateX(0)}to{transform:translateX(-50%)}}.ticker-track{animation:ticker-scroll 45s linear infinite}.ticker-track:hover{animation-play-state:paused}@media (max-width:640px){.ticker-track{animation-duration:70s}}@keyframes live-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.15)}}.live-dot{animation:live-pulse 1.4s ease-in-out infinite}@keyframes skeleton-shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}.skeleton-shimmer{background:linear-gradient(90deg,var(--color-surface-3) 0,var(--color-surface-2) 50%,var(--color-surface-3) 100%);background-size:800px 100%;animation:skeleton-shimmer 1.4s ease-in-out infinite}.link-muted-to-accent{color:var(--color-text-light);transition:color .15s ease}.link-muted-to-accent:hover{color:var(--color-accent)}.story-headline{color:var(--color-text);text-decoration:none;transition:color .15s ease}.story-headline:hover{color:var(--color-accent);text-decoration:underline}.related-link{color:var(--color-text-muted);transition:color .15s ease}.related-link:hover{color:var(--color-accent);text-decoration:underline}.homepage-grid{display:grid;grid-template-columns:1fr;gap:1rem}@media (min-width:640px){.homepage-grid{gap:1.5rem}}@media (min-width:1024px){.homepage-grid{grid-template-columns:65% 32%;-moz-column-gap:3%;column-gap:3%;gap:1rem 3%}}:root{--ink-rgb:15 23 42;--ink-muted-rgb:71 85 105;--ink-light-rgb:95 107 125;--surface-rgb:255 255 255;--surface-2-rgb:248 250 252;--surface-3-rgb:241 245 249;--line-rgb:226 232 240;--line-strong-rgb:203 213 225;--accent-rgb:220 38 38;--accent-hover-rgb:185 28 28;--accent-soft-rgb:254 242 242;--success-rgb:22 163 74;--warning-rgb:217 119 6;--success-text-rgb:18 110 52;--warning-text-rgb:160 74 8;--font-display:var(--font-display-google,"Playfair Display"),Georgia,"Times New Roman",serif;--font-body:var(--font-body-google,"Source Sans 3"),system-ui,-apple-system,"Segoe UI",sans-serif;--font-mono:var(--font-mono-google,"JetBrains Mono"),ui-monospace,SFMono-Regular,Menlo,monospace;--shadow-card:0 1px 2px rgba(15,23,42,.04),0 8px 24px -14px rgba(15,23,42,.14);--shadow-card-hover:0 2px 4px rgba(15,23,42,.05),0 18px 34px -16px rgba(15,23,42,.2);--shadow-pop:0 10px 34px -8px rgba(15,23,42,.2),0 2px 6px rgba(15,23,42,.06);--radius-xl:16px;--radius-pill:999px;--ease-editorial:cubic-bezier(0.2,0.7,0.3,1);--dur-fast:120ms;--dur-base:180ms;--dur-slow:320ms;--shell-max:1180px;--reading-max:68ch;--sticky-offset:65px}@media (min-width:640px){:root{--sticky-offset:73px}}.surface-card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:box-shadow var(--dur-base) var(--ease-editorial),border-color var(--dur-base) var(--ease-editorial),transform var(--dur-base) var(--ease-editorial)}.card-lift:hover{box-shadow:var(--shadow-card-hover);border-color:var(--color-border-dark);transform:translateY(-2px)}.card-lift:focus-within{border-color:var(--color-accent);box-shadow:var(--shadow-card-hover)}.hairline{border:0;height:0;margin:0}.hairline,.hairline-y>*+*{border-top:1px solid var(--color-border)}.rule-accent{height:2px;width:40px;background-color:var(--color-accent);border-radius:2px}.eyebrow{font-family:var(--font-body);font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--color-text-muted)}.on-dark .eyebrow{color:hsla(0,0%,100%,.55)}.chip{display:inline-flex;align-items:center;gap:6px;max-width:100%;padding:4px 10px;border:1px solid var(--color-border);border-radius:var(--radius-pill);background-color:var(--color-surface);color:var(--color-text-muted);font-family:var(--font-body);font-size:12px;line-height:1.25rem;font-weight:500;white-space:nowrap;text-decoration:none;transition:background-color var(--dur-fast) var(--ease-editorial),color var(--dur-fast) var(--ease-editorial),border-color var(--dur-fast) var(--ease-editorial)}a.chip:hover,button.chip:hover{border-color:var(--color-border-dark);color:var(--color-text);background-color:var(--color-surface-2)}.chip-active{border-color:rgb(var(--accent-rgb)/.35)}.chip-active,a.chip-active:hover,button.chip-active:hover{background-color:var(--color-accent-soft);color:var(--color-accent-hover)}a.chip-active:hover,button.chip-active:hover{border-color:rgb(var(--accent-rgb)/.55)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 16px;border:1px solid transparent;border-radius:var(--radius-md);background-color:transparent;color:var(--color-text);font-family:var(--font-body);font-size:14px;font-weight:600;line-height:1.25rem;text-decoration:none;cursor:pointer;white-space:nowrap;transition:background-color var(--dur-fast) var(--ease-editorial),border-color var(--dur-fast) var(--ease-editorial),color var(--dur-fast) var(--ease-editorial),box-shadow var(--dur-fast) var(--ease-editorial)}.btn:disabled,.btn[aria-disabled=true]{opacity:.55;cursor:not-allowed}.btn-sm{padding:6px 12px;font-size:13px}.btn-lg{padding:12px 22px;font-size:15px}.btn.btn-primary{background-color:var(--color-accent);border-color:var(--color-accent);color:#fff}.btn.btn-primary:hover:not(:disabled){background-color:var(--color-accent-hover);border-color:var(--color-accent-hover)}.btn.btn-outline{background-color:var(--color-surface);border-color:var(--color-border-dark);color:var(--color-text)}.btn.btn-outline:hover:not(:disabled){border-color:var(--color-accent);color:var(--color-accent);background-color:var(--color-accent-soft)}.btn.btn-ghost{background-color:transparent;border-color:transparent;color:var(--color-text-muted)}.btn.btn-ghost:hover:not(:disabled){background-color:var(--color-surface-3);color:var(--color-text)}.btn.btn-ink{background-color:var(--color-primary);border-color:var(--color-primary);color:#fff}.btn.btn-ink:hover:not(:disabled){background-color:#1e293b;border-color:#1e293b}.input-field{width:100%;padding:9px 12px;border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-surface);color:var(--color-text);font-family:var(--font-body);font-size:14px;line-height:1.375rem;transition:border-color var(--dur-fast) var(--ease-editorial),box-shadow var(--dur-fast) var(--ease-editorial)}.input-field::-moz-placeholder{color:var(--color-text-light)}.input-field::placeholder{color:var(--color-text-light)}.input-field:hover:not(:disabled){border-color:var(--color-border-dark)}.input-field:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px rgb(var(--accent-rgb)/.12)}.input-field:disabled{background-color:var(--color-surface-2);color:var(--color-text-light);cursor:not-allowed}.select-field{-moz-appearance:none;appearance:none;-webkit-appearance:none;padding-right:32px;cursor:pointer}.popover-panel{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-pop)}.overlay-scrim{background-color:rgba(15,23,42,.45);backdrop-filter:blur(2px)}.prose-editorial{font-family:var(--font-body);font-size:17px;line-height:1.72;color:var(--color-text);max-width:var(--reading-max)}.prose-editorial>*+*{margin-top:1.1em}.prose-editorial h2{font-family:var(--font-display);font-size:1.55em;font-weight:700;line-height:1.2;letter-spacing:-.01em;margin-top:1.9em}.prose-editorial h3{font-family:var(--font-display);font-size:1.22em;font-weight:600;line-height:1.3;margin-top:1.6em}.prose-editorial a{color:var(--color-accent);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px}.prose-editorial a:hover{color:var(--color-accent-hover)}.prose-editorial ol,.prose-editorial ul{padding-left:1.35em}.prose-editorial ul{list-style:disc}.prose-editorial ol{list-style:decimal}.prose-editorial li+li{margin-top:.4em}.prose-editorial li::marker{color:var(--color-text-light)}.prose-editorial blockquote{border-left:3px solid var(--color-accent);padding-left:1em;font-style:italic;color:var(--color-text-muted)}.prose-editorial code{font-size:.86em;border-radius:var(--radius-sm);padding:.12em .36em}.prose-editorial code,.prose-editorial pre{font-family:var(--font-mono);background-color:var(--color-surface-3)}.prose-editorial pre{font-size:.82em;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:14px 16px;overflow-x:auto}.prose-editorial hr{border:0;border-top:1px solid var(--color-border)}.prose-editorial img{border-radius:var(--radius-md)}@keyframes marquee-x{0%{transform:translateX(0)}to{transform:translateX(-50%)}}.marquee-track{display:flex;width:-moz-max-content;width:max-content;will-change:transform;animation:marquee-x var(--marquee-duration,45s) linear infinite}.marquee-track:focus-within,.marquee-track:hover{animation-play-state:paused}.fade-mask-r{-webkit-mask-image:linear-gradient(90deg,#000 0,#000 calc(100% - 48px),transparent);mask-image:linear-gradient(90deg,#000 0,#000 calc(100% - 48px),transparent)}.fade-mask-x{-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 32px,#000 calc(100% - 32px),transparent);mask-image:linear-gradient(90deg,transparent 0,#000 32px,#000 calc(100% - 32px),transparent)}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.focus-ring:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:var(--radius-md)}.on-accent :focus-visible,.on-accent.focus-ring:focus-visible,.on-dark :focus-visible,.on-dark.focus-ring:focus-visible{outline-color:#fff}@media (prefers-color-scheme:dark){.adapts-dark :focus-visible{outline-color:#fff}}::-moz-selection{background:var(--color-accent-soft);color:var(--color-accent-hover)}::selection{background:var(--color-accent-soft);color:var(--color-accent-hover)}.tabular{font-variant-numeric:tabular-nums}.rank-number{font-family:var(--font-display);font-variant-numeric:tabular-nums;font-weight:700;color:var(--color-text-light);line-height:1}.headline-link{color:var(--color-text);text-decoration:none;transition:color var(--dur-fast) var(--ease-editorial)}.headline-link:hover{color:var(--color-accent)}@media (prefers-reduced-motion:reduce){.animate-fade-in,.animate-fade-in-up,.animate-float,.animate-marquee,.animate-pulse,.animate-pulse-dot,.animate-pulse-slow,.animate-shimmer,.animate-slide-up,.animate-spin,.live-dot,.marquee-track,.skeleton-shimmer,.ticker-track{animation:none!important}html{scroll-behavior:auto!important}.card-lift:hover{transform:none}}:root{--color-lab-microsoft:#0078d4;--color-lab-nvidia:#76b900;--color-lab-apple:#111827;--color-lab-amazon:#f90;--color-lab-ibm:#0f62fe;--color-lab-cohere:#39594d;--color-lab-stability:#a855f7;--color-lab-xai:#0ea5e9;--color-lab-academic:#7c3aed}.input-field[type=search]::-webkit-search-cancel-button,.input-field[type=search]::-webkit-search-decoration{-webkit-appearance:none;appearance:none}