:root{--site-sans-font:Graphik,"Avenir Next",Avenir,"Helvetica Neue","Segoe UI",Roboto,Arial,sans-serif;--site-serif-font:Charter,"Iowan Old Style","Palatino Linotype","Book Antiqua",Georgia,serif;--background:0 0% 99%;--foreground:215 22% 12%;--card:0 0% 100%;--card-foreground:215 22% 12%;--popover:0 0% 100%;--popover-foreground:215 22% 12%;--primary:158 84% 31%;--primary-foreground:0 0% 100%;--secondary:210 20% 97%;--secondary-foreground:215 18% 24%;--muted:210 20% 96%;--muted-foreground:215 10% 40%;--accent:150 40% 96%;--accent-foreground:158 84% 24%;--destructive:0 74% 42%;--destructive-foreground:210 40% 98%;--border:215 17% 88%;--input:215 17% 88%;--ring:158 84% 31%;--radius:0.625rem;--shadow-soft:0 8px 24px rgba(15,23,42,0.04);--shadow-card:0 14px 36px rgba(15,23,42,0.05)}*,*::before,*::after{box-sizing:border-box}html{font-size:96.875%;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body{margin:0;background:hsl(var(--background));color:hsl(var(--foreground));font-family:var(--site-sans-font);font-size:1rem;line-height:1.5}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,textarea,select{font:inherit;font-family:var(--site-sans-font)}[x-cloak]{display:none !important}.material-symbols-outlined{font-variation-settings:"FILL" 0,"wght" 380,"GRAD" 0,"opsz" 24}.editorial-prose{color:hsl(var(--foreground));font-family:var(--site-serif-font);font-size:clamp(1.1875rem,1.12rem + 0.35vw,1.3125rem);line-height:1.82}.editorial-prose p{margin:0 0 1.75rem}.editorial-prose h2,.editorial-prose h3{margin:3.25rem 0 1rem;font-family:var(--site-sans-font);line-height:1.16;letter-spacing:-0.025em;color:hsl(var(--foreground))}.editorial-prose h2{font-size:clamp(2rem,1.8rem + 0.9vw,2.6rem)}.editorial-prose h3{font-size:clamp(1.5rem,1.38rem + 0.6vw,1.95rem)}.editorial-prose blockquote{margin:2.5rem 0;padding:1rem 0 1rem 1.5rem;border-left:3px solid hsl(var(--primary));color:hsl(var(--secondary-foreground));font-size:1.28em;font-style:normal}.editorial-prose pre{margin:2.25rem 0;overflow-x:auto;border:1px solid rgba(148,163,184,0.18);border-radius:0.75rem;background:#111827;color:#e5e7eb;box-shadow:var(--shadow-soft)}.editorial-prose code{font-family:"IBM Plex Mono",monospace}.editorial-prose pre code{display:block;padding:1.25rem 1.4rem;font-size:0.95rem;line-height:1.7}.editorial-prose code:not(pre code){background:hsl(var(--secondary));border:1px solid rgba(148,163,184,0.18);border-radius:0.375rem;padding:0.15em 0.4em;font-size:0.9em}.editorial-prose .lead{font-size:clamp(1.35rem,1.18rem + 0.55vw,1.7rem);line-height:1.72;color:hsl(var(--muted-foreground))}.bh-article-preview{position:relative}.bh-article-preview-content{transition:max-height 220ms ease}.bh-article-preview.is-masked .bh-article-preview-content{overflow:hidden}.bh-article-preview-overlay{position:absolute;inset-inline:0;bottom:0;display:flex;align-items:flex-end;justify-content:center;min-height:min(22rem,55%);padding:7rem 0 0;background:linear-gradient(180deg,rgba(252,253,252,0),rgba(252,253,252,0.86) 34%,rgba(252,253,252,0.97) 58%,hsl(var(--background)) 100%);pointer-events:none}.bh-article-preview-overlay[hidden]{display:none !important}.bh-article-preview-card{width:min(100%,36rem);margin:0 auto;padding:1.75rem;border:1px solid hsl(var(--border) / 0.9);border-radius:1rem;background:hsl(var(--card) / 0.96);box-shadow:0 22px 54px rgba(15,23,42,0.1);pointer-events:auto}.bh-topic-banner-stage{position:relative;min-height:13rem;overflow:hidden;border-radius:0.75rem;background:hsl(var(--foreground))}.bh-topic-banner-item{position:absolute;inset:0;display:flex;align-items:flex-end;overflow:hidden;background:linear-gradient(135deg,hsl(var(--foreground)),hsl(var(--primary) / 0.74));opacity:0;padding:1.25rem;isolation:isolate;pointer-events:none;transform:scale(1.015);transition:opacity 360ms ease,transform 520ms ease}.bh-topic-banner-item.is-active{opacity:1;pointer-events:auto;transform:scale(1)}.bh-topic-banner-item::after{content:"";position:absolute;inset:0;z-index:2;border:1px solid hsl(var(--border) / 0.36);border-radius:inherit;pointer-events:none}.bh-topic-banner-mosaic{position:absolute;inset:0;z-index:0;display:grid;gap:2px;background:hsl(var(--foreground))}.bh-topic-banner-mosaic.has-4{grid-template-columns:minmax(0,1.7fr) minmax(0,0.85fr);grid-template-rows:repeat(3,minmax(0,1fr))}.bh-topic-banner-mosaic-tile{position:relative;min-width:0;min-height:0;overflow:hidden}.bh-topic-banner-mosaic.has-4 .bh-topic-banner-mosaic-tile:first-child{grid-row:1 / span 3}.bh-topic-banner-mosaic-image{width:100%;height:100%;object-fit:cover;object-position:center;transform:scale(1.01);transition:transform 260ms ease}.bh-topic-banner-shade{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(15,23,42,0.06),rgba(15,23,42,0.78))}.bh-topic-banner-item:hover .bh-topic-banner-mosaic-image{transform:scale(1.06)}.bh-topic-banner-dots{position:absolute;right:1rem;bottom:1rem;z-index:4;display:flex;align-items:center;gap:0.4rem}.bh-topic-banner-dot{width:0.4rem;height:0.4rem;border:0;border-radius:999px;background:rgba(255,255,255,0.46);cursor:pointer;padding:0;transition:background-color 160ms ease,transform 160ms ease,width 160ms ease}.bh-topic-banner-dot.is-active{width:1.15rem;background:rgba(255,255,255,0.9)}.bh-topic-banner-dot:focus-visible{outline:2px solid rgba(255,255,255,0.9);outline-offset:0.2rem}.bh-feed-tabs{display:inline-flex;width:fit-content;align-items:center;gap:1rem}.bh-feed-tab{border:0;border-bottom:1px solid transparent;background:transparent;color:hsl(var(--muted-foreground));cursor:pointer;font-family:var(--site-sans-font);font-size:0.75rem;font-weight:700;letter-spacing:0.12em;line-height:1;padding:0 0 0.4rem;text-transform:uppercase;transition:border-color 160ms ease,color 160ms ease}.bh-feed-tab:hover{color:hsl(var(--foreground))}.bh-feed-tab[aria-pressed="true"]{color:hsl(var(--foreground));border-color:hsl(var(--primary))}.bh-feed-tab:focus-visible{outline:2px solid hsl(var(--ring) / 0.45);outline-offset:0.25rem}.bh-feed-tab:disabled{cursor:wait;opacity:0.55}.bh-feed-list-region{min-height:12rem;position:relative}.bh-feed-list{transition:opacity 160ms ease}.bh-feed-list-region.is-loading .bh-feed-list{opacity:0.32;pointer-events:none}.bh-feed-loading{align-items:center;color:hsl(var(--muted-foreground));display:flex;font-family:var(--site-sans-font);font-size:0.8125rem;font-weight:700;gap:0.65rem;left:50%;letter-spacing:0.08em;position:absolute;text-transform:uppercase;top:1.25rem;transform:translateX(-50%);z-index:2}.bh-feed-loading[hidden]{display:none}.bh-feed-loading-spinner{animation:bh-feed-spin 800ms linear infinite;border:2px solid hsl(var(--border));border-top-color:hsl(var(--primary));border-radius:999px;height:1rem;width:1rem}@keyframes bh-feed-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.bh-feed-list,.bh-feed-loading-spinner{animation:none;transition:none}}.glass-panel{background:rgba(255,255,255,0.88);backdrop-filter:blur(8px)}.shadow-soft{box-shadow:var(--shadow-soft)}.shadow-card{box-shadow:var(--shadow-card)}::selection{background:hsla(var(--primary),0.25);color:hsl(var(--foreground))}@media (max-width:768px){.editorial-prose{font-size:1.125rem;line-height:1.78}.bh-article-preview-overlay{min-height:min(18rem,62%);padding-top:5rem}.bh-article-preview-card{padding:1.25rem;border-radius:0.85rem}}