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b{font-family:var(--font-mono);font-size:.66rem;font-weight:700;color:color-mix(in srgb,var(--accent) 70%,var(--muted))}.bk-core{position:relative;z-index:1;display:grid;justify-self:center;width:min(100%,380px);padding:5px;border-radius:var(--r-md, 12px);border:1px solid color-mix(in srgb,var(--blue) 30%,var(--line));background:var(--surface-raised);box-shadow:0 4px 16px #0f172a0f;min-width:0}.bk-roles{display:grid;grid-template-columns:repeat(3,1fr);gap:5px}.bk-role{--role: var(--blue);display:grid;gap:4px;justify-items:center;padding:5px 3px 6px;border-radius:var(--r-sm);border:1px solid color-mix(in srgb,var(--role) 26%,var(--line));background:color-mix(in srgb,var(--role) 5%,transparent);min-width:0}.bk-role[data-role=m]{--role: var(--role-m)}.bk-role[data-role=e]{--role: var(--role-e)}.bk-role[data-role=a]{--role: var(--role-a)}.bk-role-name{font-size:.62rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:color-mix(in srgb,var(--role) 86%,transparent);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.bk-slot{display:block;min-width:0;max-width:100%}.bk-slot-inner{display:flex;align-items:center;justify-content:center;gap:3px}.bk-pair-half{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;border:1px solid color-mix(in srgb,var(--accent) 42%,transparent);background:var(--surface-raised);box-shadow:0 1px 3px #0f172a0d}.bk-slot-logo{width:19px;height:19px;object-fit:contain;display:block}.bk-pair-tie{width:4px;height:1px;flex:none;background:color-mix(in srgb,var(--role) 45%,transparent)}.bk-pair-half.is-in{animation:bk-swap .42s cubic-bezier(.2,.7,.3,1) both}@keyframes bk-swap{0%{opacity:0;transform:translateY(5px) scale(.96)}to{opacity:1;transform:none}}.backends.is-static .bk-link,.backends.is-static .bk-pair-half.is-in{animation:none}.backends.is-static 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var(--line2)}.sb-kicker{font-size:.86rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--blue);white-space:nowrap}.sb-copy{margin:0;flex:1 1 30ch;font-size:.92rem;line-height:1.65;color:var(--body)}.sb-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s7)}.sb-item{display:flex;flex-direction:column;gap:var(--s2);padding-left:var(--s4);border-left:2px solid var(--blue)}.sb-name{font-family:var(--font-serif);font-size:1.18rem;font-weight:700;letter-spacing:-.02em;line-height:1.2;color:var(--ink2)}.sb-metric{font-size:.74rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}.sb-figure{display:flex;align-items:baseline;gap:var(--s2);margin-top:var(--s2)}.sb-from{font-family:var(--font-mono);font-size:1.02rem;font-weight:600;color:var(--ctrl);text-decoration:line-through;text-decoration-thickness:1.5px}.sb-arrow{width:17px;height:17px;flex:none;align-self:center;color:var(--ctrl)}.sb-now{font-family:var(--font-serif);font-size:clamp(2.2rem,3.6vw,3.1rem);font-weight:700;line-height:.95;letter-spacing:-.03em;color:var(--blue-deep)}.sb-now small{font-size:.38em;font-weight:600;letter-spacing:0;margin-left:1px}.sb-delta{align-self:flex-start;font-family:var(--font-mono);font-size:.86rem;font-weight:700;color:var(--gain)}.sb-track{position:relative;height:8px;margin-top:var(--s2);border-radius:var(--r-pill);background:var(--surface-inset);overflow:hidden}.sb-track i{position:absolute;inset:0 auto 0 0;display:block;border-radius:var(--r-pill)}.sb-bar-now{width:var(--now);background:var(--blue)}.sb-bar-base{width:var(--base);background:var(--ctrl)}.sb-note{margin:var(--s5) 0 0;padding-top:var(--s4);border-top:1px solid var(--line);font-size:.8rem;line-height:1.6;color:var(--muted)}.sb-key{display:inline-block;width:16px;height:6px;border-radius:var(--r-pill);vertical-align:middle;margin:0 2px}.sb-key-base{background:var(--ctrl)}.sb-key-now{background:var(--blue)}@media(max-width:860px){.sb-list{grid-template-columns:1fr;gap:var(--s5)}}.section{max-width:var(--content-w);margin:0 auto;padding:var(--s7) var(--pad-x) var(--s6)}.band>.section:first-child{padding-top:var(--s7)}.video-section{padding-top:var(--s5);padding-bottom:var(--s6)}.video-intro{display:grid;grid-template-columns:86px 1fr;column-gap:var(--s5);align-items:start;max-width:var(--content-w);margin:0 auto var(--s5);padding-top:var(--s4);border-top:2px solid var(--ink2);text-align:left}.video-kicker{display:flex;flex-direction:column;align-items:flex-start;gap:var(--s1);color:var(--muted);font-size:.82rem;font-weight:700;line-height:1.2;letter-spacing:.1em;text-transform:uppercase;padding-top:2px;max-width:9ch}.video-kicker:before{content:"";width:clamp(26px,3vw,34px);height:clamp(26px,3vw,34px);margin-bottom:var(--s1);background:var(--blue);clip-path:polygon(16% 6%,92% 50%,16% 94%)}:root[data-theme=dark] .video-kicker:before{background:var(--blue-pale)}.section h2.video-title{margin:0;font-size:clamp(1.75rem,3.2vw,2.5rem);line-height:1.14;letter-spacing:-.025em;max-width:38ch}@media(max-width:720px){.video-intro{grid-template-columns:1fr}.video-kicker{flex-direction:row;align-items:center;gap:var(--s3);max-width:none;margin-bottom:var(--s3)}.video-kicker:before{width:20px;height:20px;margin-bottom:0}.section h2.video-title{max-width:none}}.video-wrapper{position:relative;max-width:var(--content-w);margin:0 auto;border-radius:var(--r-md);overflow:hidden;background:#05070c;aspect-ratio:16 / 9;outline:none;box-shadow:0 18px 48px -24px #081c3473,0 0 0 1px #94b0cc29;transition:box-shadow .3s}.video-wrapper:hover{box-shadow:0 22px 56px -24px #081c348c,0 0 0 1px #2698d84d}:root[data-theme=dark] .video-wrapper{box-shadow:0 20px 56px -26px #000c,0 0 0 1px 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strong{color:var(--ink2);font-weight:650}.section-lede code{overflow-wrap:anywhere}.band{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.band+.band{border-top:0}.band>.section+.section{padding-top:var(--s5)}.takeaway{display:grid;grid-template-columns:120px minmax(0,1fr) minmax(0,1fr);align-items:start;gap:var(--s3) var(--s5);margin-top:var(--s6);padding:var(--s5) 0 0;border-top:1px solid var(--line)}.takeaway-kicker{grid-row:1 / 3;margin:0;padding-top:5px;font-size:.72rem;font-weight:700;line-height:1.3;letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}.takeaway-lead{margin:0;font-family:var(--font-serif);font-size:1.24rem;line-height:1.42;letter-spacing:-.015em;color:var(--ink2)}.takeaway-lead strong{font-weight:700}.takeaway-body{margin:0;font-size:.9rem;line-height:1.7;color:var(--body)}@media(max-width:900px){.takeaway{grid-template-columns:1fr}.takeaway-kicker{grid-row:auto;padding-top:0}}.problem-row{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s6);margin-bottom:var(--s6);padding-top:var(--s4);border-top:1px solid var(--line)}.problem-card{position:relative;padding-left:0}.problem-icon{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border-radius:var(--r-sm);margin-bottom:var(--s3);color:var(--ctrl);background:color-mix(in srgb,var(--ctrl) 16%,transparent)}.problem-icon svg{width:17px;height:17px}.problem-card h3{margin:0 0 var(--s2);font-family:var(--font-sans);font-size:1rem;font-weight:650;letter-spacing:-.01em;color:var(--ink2)}.problem-card p{margin:0;font-size:.91rem;line-height:1.65;color:var(--muted)}.idea-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}.idea-figure{margin:var(--s5) 0 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