.video[data-astro-cid-osiozmwl]{margin:0}video[data-astro-cid-osiozmwl],.video__yt[data-astro-cid-osiozmwl]{aspect-ratio:16/9;border-radius:var(--radius-l);background:var(--c-charcoal-deep);width:100%;display:block;overflow:hidden}.video__yt[data-astro-cid-osiozmwl]{position:relative}.video__yt[data-astro-cid-osiozmwl] picture,.video__yt[data-astro-cid-osiozmwl] img{width:100%;height:100%}.video__yt[data-astro-cid-osiozmwl] img{object-fit:cover;filter:brightness(.55)}.video__yt[data-astro-cid-osiozmwl] iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.video__consent[data-astro-cid-osiozmwl]{justify-content:center;align-items:center;gap:var(--space-s);color:var(--c-white);text-align:center;flex-direction:column;padding:1.5rem;display:flex;position:absolute;inset:0}.video__consent[data-astro-cid-osiozmwl][hidden],.video__unload[data-astro-cid-osiozmwl][hidden]{display:none}.video__consent[data-astro-cid-osiozmwl] p[data-astro-cid-osiozmwl]{max-width:36rem;font-family:var(--font-display);font-size:var(--fs-300);color:var(--c-on-dark-muted);margin:0;line-height:1.5}.video__consent[data-astro-cid-osiozmwl] a[data-astro-cid-osiozmwl]{color:var(--c-white);text-underline-offset:.15em;text-decoration:underline}.video__play[data-astro-cid-osiozmwl]{color:var(--c-white);font-family:var(--font-display);text-align:left;cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;gap:1rem;padding:.5rem;display:flex}.video__play[data-astro-cid-osiozmwl] strong[data-astro-cid-osiozmwl]{font-size:1.125rem;display:block}.video__unload[data-astro-cid-osiozmwl]{z-index:1;font-size:var(--fs-300);padding:.65rem .9rem;position:absolute;top:.75rem;right:.75rem;box-shadow:0 2px 10px #0004}.video__icon[data-astro-cid-osiozmwl]{background:var(--c-lime);width:3.5rem;height:3.5rem;color:var(--c-charcoal-deep);border-radius:999px;flex:none;place-items:center;font-size:1.25rem;display:grid}.video__play[data-astro-cid-osiozmwl]:focus-visible{outline:3px solid var(--c-lime);outline-offset:4px}@media (width<=39.99em){.video__yt[data-astro-cid-osiozmwl]{aspect-ratio:auto;min-height:22rem}.video__consent[data-astro-cid-osiozmwl]{padding:var(--space-m)}.video__yt[data-astro-cid-osiozmwl] picture{position:absolute;inset:0}.video__play[data-astro-cid-osiozmwl] strong[data-astro-cid-osiozmwl]{font-size:1rem}.video__icon[data-astro-cid-osiozmwl]{width:2.5rem;height:2.5rem}}figcaption[data-astro-cid-osiozmwl]{color:var(--c-text-muted);font-family:var(--font-display);margin-top:.6rem;font-size:.875rem}.knowledge-icon[data-astro-cid-z3uzt2xx]{width:3rem;height:3rem;color:var(--c-teal);display:block}@media (prefers-reduced-motion:no-preference){[data-reveal].is-visible>.knowledge-icon[data-astro-cid-z3uzt2xx]{animation:icon-arrive .7s var(--ease-out) both}@keyframes icon-arrive{0%{opacity:.3;transform:translateY(8px)scale(.9)}to{opacity:1;transform:translateY(0)scale(1)}}}.history-illustrations[data-astro-cid-cjprbhc3]{margin-block:var(--space-l) var(--space-xl)}.pk-extras[data-astro-cid-ih42kh55]{padding-block:var(--space-xl)}.pk-study-images[data-astro-cid-ih42kh55]{gap:var(--media-gap);margin-block:var(--space-l);grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;display:grid}@media (width<=47.99em){.pk-study-images[data-astro-cid-ih42kh55]{grid-template-columns:minmax(0,1fr)}}.pk-block[data-astro-cid-ih42kh55]+.pk-block[data-astro-cid-ih42kh55]{margin-top:var(--space-2xl);padding-top:var(--space-xl);border-top:1px solid var(--c-line)}.pk-heading[data-astro-cid-ih42kh55]{margin-block:var(--space-xs) var(--space-l);font-size:var(--fs-700);line-height:1.12}.pk-lead[data-astro-cid-ih42kh55]{max-width:48rem;margin-bottom:var(--space-l);font-size:var(--fs-500);line-height:1.7}.pk-timeline[data-astro-cid-ih42kh55]{gap:var(--space-l);max-width:58rem;display:grid}.pk-timeline[data-astro-cid-ih42kh55] li[data-astro-cid-ih42kh55]{gap:var(--space-m);padding-left:var(--space-m);border-left:3px solid var(--c-lime);grid-template-columns:9rem minmax(0,1fr);display:grid}.pk-timeline__year[data-astro-cid-ih42kh55]{font:600 var(--fs-500) var(--font-display);color:var(--c-teal)}.pk-timeline[data-astro-cid-ih42kh55] h4[data-astro-cid-ih42kh55],.pk-hgu-grid[data-astro-cid-ih42kh55] h4[data-astro-cid-ih42kh55]{margin-bottom:var(--space-xs);font-size:var(--fs-500)}.pk-timeline[data-astro-cid-ih42kh55] p[data-astro-cid-ih42kh55],.pk-cycle[data-astro-cid-ih42kh55] p[data-astro-cid-ih42kh55],.pk-details[data-astro-cid-ih42kh55] p[data-astro-cid-ih42kh55],.pk-hgu-grid[data-astro-cid-ih42kh55] p[data-astro-cid-ih42kh55]{font-size:var(--fs-300);line-height:1.7}.pk-source[data-astro-cid-ih42kh55]{max-width:64rem;margin-top:var(--space-m);color:var(--c-text-muted);font:400 var(--fs-300)/1.55 var(--font-display)}.pk-source[data-astro-cid-ih42kh55] a[data-astro-cid-ih42kh55]{color:var(--c-green-text)}.pk-cycle[data-astro-cid-ih42kh55]{gap:var(--media-gap);margin-bottom:var(--space-l);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.pk-cycle[data-astro-cid-ih42kh55] li[data-astro-cid-ih42kh55]{padding:var(--space-m);border-left:3px solid var(--c-teal);background:var(--c-mist)}.pk-cycle[data-astro-cid-ih42kh55] span[data-astro-cid-ih42kh55]{margin-bottom:var(--space-xs);color:var(--c-teal);font:600 var(--fs-500) var(--font-display);display:block}.pk-cycle[data-astro-cid-ih42kh55] strong[data-astro-cid-ih42kh55]{margin-bottom:var(--space-xs);font:600 var(--fs-500) var(--font-display);display:block}.pk-table-wrap[data-astro-cid-ih42kh55]{overflow-x:auto}table[data-astro-cid-ih42kh55]{border-collapse:collapse;width:100%;font:400 var(--fs-400)/1.5 var(--font-display);text-align:left}caption[data-astro-cid-ih42kh55]{margin-bottom:var(--space-s);color:var(--c-text-muted);font-size:var(--fs-300);text-align:left}th[data-astro-cid-ih42kh55],td[data-astro-cid-ih42kh55]{padding:var(--space-s) var(--space-s) var(--space-s) 0;border-bottom:1px solid var(--c-line);vertical-align:top}thead[data-astro-cid-ih42kh55] th[data-astro-cid-ih42kh55]{border-bottom:2px solid var(--c-forest)}.pk-calculator[data-astro-cid-ih42kh55],.pk-hgu-grid[data-astro-cid-ih42kh55]{gap:var(--space-xl);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.pk-fields[data-astro-cid-ih42kh55]{gap:var(--space-m);grid-template-columns:repeat(2,minmax(0,1fr));align-content:start;display:grid}.pk-fields[data-astro-cid-ih42kh55] label[data-astro-cid-ih42kh55]{font:500 var(--fs-400) var(--font-display)}.pk-fields[data-astro-cid-ih42kh55] label[data-astro-cid-ih42kh55] span[data-astro-cid-ih42kh55]{color:var(--c-text-muted);font-size:var(--fs-300);margin-block:.25rem .5rem;display:block}.pk-fields[data-astro-cid-ih42kh55] input[data-astro-cid-ih42kh55]{border:1px solid var(--c-warm-300);background:var(--c-white);width:100%;color:var(--c-ink);font:400 1.125rem var(--font-display);padding:.75rem;display:block}.pk-fields[data-astro-cid-ih42kh55] input[data-astro-cid-ih42kh55]:invalid{border-color:var(--c-teal)}.pk-results[data-astro-cid-ih42kh55]{padding:var(--space-l);background:var(--c-mist);border-left:4px solid var(--c-lime)}.pk-results[data-astro-cid-ih42kh55] dl[data-astro-cid-ih42kh55],.pk-quantities[data-astro-cid-ih42kh55]{gap:var(--space-m);display:grid}.pk-results[data-astro-cid-ih42kh55] dt[data-astro-cid-ih42kh55],.pk-quantities[data-astro-cid-ih42kh55] dt[data-astro-cid-ih42kh55]{font:400 var(--fs-400) var(--font-display)}.pk-results[data-astro-cid-ih42kh55] dd[data-astro-cid-ih42kh55],.pk-quantities[data-astro-cid-ih42kh55] dd[data-astro-cid-ih42kh55]{color:var(--c-teal);font:600 var(--fs-700) var(--font-display);margin:.3rem 0 0}.pk-results[data-astro-cid-ih42kh55] dd[data-astro-cid-ih42kh55] span[data-astro-cid-ih42kh55],.pk-quantities[data-astro-cid-ih42kh55] dd[data-astro-cid-ih42kh55] span[data-astro-cid-ih42kh55]{color:var(--c-text-muted);font-size:var(--fs-400)}.pk-quantities[data-astro-cid-ih42kh55] dd[data-astro-cid-ih42kh55] span[data-astro-cid-ih42kh55]{display:block}.pk-hgu-grid[data-astro-cid-ih42kh55] p[data-astro-cid-ih42kh55]{margin-top:var(--space-m)}.pk-details[data-astro-cid-ih42kh55]{margin-top:var(--space-l);border-block:1px solid var(--c-line)}.pk-details[data-astro-cid-ih42kh55] summary[data-astro-cid-ih42kh55]{padding-block:var(--space-m);font:600 var(--fs-500) var(--font-display);cursor:pointer}.pk-details[data-astro-cid-ih42kh55]>div[data-astro-cid-ih42kh55]{padding-bottom:var(--space-l)}.pk-details[data-astro-cid-ih42kh55] p[data-astro-cid-ih42kh55]+p[data-astro-cid-ih42kh55]{margin-top:var(--space-s)}@media (width<=55.99em){.pk-calculator[data-astro-cid-ih42kh55],.pk-hgu-grid[data-astro-cid-ih42kh55]{grid-template-columns:minmax(0,1fr)}}@media (width<=39.99em){.pk-timeline[data-astro-cid-ih42kh55] li[data-astro-cid-ih42kh55]{gap:var(--space-xs);grid-template-columns:minmax(0,1fr)}.pk-cycle[data-astro-cid-ih42kh55],.pk-fields[data-astro-cid-ih42kh55]{grid-template-columns:minmax(0,1fr)}table[data-astro-cid-ih42kh55]{font-size:var(--fs-300)}}.pk-timeline[data-astro-cid-ih42kh55]{gap:var(--media-gap);grid-template-columns:repeat(2,minmax(0,1fr));max-width:none}.pk-timeline[data-astro-cid-ih42kh55] li[data-astro-cid-ih42kh55]{gap:var(--space-xs) var(--space-m);padding:var(--space-m);border-left:2px solid var(--c-lime);background:var(--c-mist);grid-template-columns:3rem minmax(0,1fr);align-content:start}.pk-timeline[data-astro-cid-ih42kh55] li[data-astro-cid-ih42kh55] svg{grid-row:span 2}.pk-timeline__year[data-astro-cid-ih42kh55]{font-size:var(--fs-400)}.pk-timeline[data-astro-cid-ih42kh55] details[data-astro-cid-ih42kh55]{grid-column:2}.pk-timeline[data-astro-cid-ih42kh55] summary[data-astro-cid-ih42kh55]{font:600 var(--fs-500)/1.3 var(--font-display);cursor:pointer}.pk-timeline[data-astro-cid-ih42kh55] details[data-astro-cid-ih42kh55] p[data-astro-cid-ih42kh55]{margin-top:var(--space-s)}.pk-cycle[data-astro-cid-ih42kh55] li[data-astro-cid-ih42kh55]{position:relative}.pk-cycle[data-astro-cid-ih42kh55] li[data-astro-cid-ih42kh55]>svg{margin-bottom:var(--space-s);width:3.5rem;height:3.5rem}.pk-cycle[data-astro-cid-ih42kh55] li[data-astro-cid-ih42kh55]>span[data-astro-cid-ih42kh55]{right:var(--space-m);top:var(--space-m);opacity:.65;position:absolute}.pk-energy-flow[data-astro-cid-ih42kh55]{align-items:center;gap:var(--space-m);margin-block:var(--space-xl);padding-block:var(--space-l);border-block:1px solid var(--c-line);flex-wrap:wrap;display:flex}.pk-energy-flow[data-astro-cid-ih42kh55]>div[data-astro-cid-ih42kh55]{flex:10rem;min-width:0}.pk-energy-flow[data-astro-cid-ih42kh55] svg{width:4rem;height:4rem;margin-bottom:var(--space-s)}.pk-energy-flow[data-astro-cid-ih42kh55] strong[data-astro-cid-ih42kh55],.pk-energy-flow[data-astro-cid-ih42kh55] small[data-astro-cid-ih42kh55]{font-family:var(--font-display);display:block}.pk-energy-flow[data-astro-cid-ih42kh55] strong[data-astro-cid-ih42kh55]{font-size:var(--fs-500)}.pk-energy-flow[data-astro-cid-ih42kh55] small[data-astro-cid-ih42kh55]{color:var(--c-text-muted);font-size:var(--fs-300);margin-top:.35rem}.pk-flow-arrow[data-astro-cid-ih42kh55]{color:var(--c-teal);font:400 var(--fs-700) var(--font-display)}.pk-share-bar[data-astro-cid-ih42kh55]{height:.6rem;margin-bottom:var(--space-l);background:var(--c-line);overflow:hidden}.pk-share-bar[data-astro-cid-ih42kh55] span[data-astro-cid-ih42kh55]{background:var(--c-teal);height:100%;display:block}@media (prefers-reduced-motion:no-preference){.pk-energy-flow[data-astro-cid-ih42kh55].is-visible .pk-flow-arrow[data-astro-cid-ih42kh55]{animation:2.4s ease-in-out infinite material-flow}.pk-share-bar[data-astro-cid-ih42kh55] span[data-astro-cid-ih42kh55]{transition:width .5s var(--ease-out)}@keyframes material-flow{0%,to{opacity:.4;transform:translate(0)}50%{opacity:1;transform:translate(7px)}}}@media (width<=55.99em){.pk-timeline[data-astro-cid-ih42kh55]{grid-template-columns:minmax(0,1fr)}}@media (width<=39.99em){.pk-timeline[data-astro-cid-ih42kh55] li[data-astro-cid-ih42kh55]{grid-template-columns:3rem minmax(0,1fr)}.pk-energy-flow[data-astro-cid-ih42kh55]>div[data-astro-cid-ih42kh55]{flex-basis:calc(50% - var(--space-m))}.pk-flow-arrow[data-astro-cid-ih42kh55]{display:none}}.resource-chart[data-astro-cid-jaulaal4]{padding:var(--space-m);background:var(--c-white);border-top:3px solid var(--c-teal);margin:0;container-type:inline-size}svg[data-astro-cid-jaulaal4]{width:100%;height:auto;font-family:var(--font-display);display:block;overflow:visible}.chart-title[data-astro-cid-jaulaal4]{fill:var(--c-ink);font-size:24px;font-weight:650}.chart-unit[data-astro-cid-jaulaal4]{fill:var(--c-text-muted);font-size:18px}.chart-label[data-astro-cid-jaulaal4]{fill:var(--c-ink);font-size:20px}.chart-value[data-astro-cid-jaulaal4]{fill:var(--c-ink);font-size:22px;font-weight:600}.resource-chart__mobile[data-astro-cid-jaulaal4]{font-family:var(--font-display);display:none}.resource-chart__title[data-astro-cid-jaulaal4]{font:650 var(--fs-500)/1.3 var(--font-display);color:var(--c-ink);margin-bottom:var(--space-m)}.resource-chart__mobile[data-astro-cid-jaulaal4] dl[data-astro-cid-jaulaal4]{gap:var(--space-m);margin:0;display:grid}.resource-chart__row[data-astro-cid-jaulaal4]{min-width:0}.resource-chart__row[data-astro-cid-jaulaal4] dt[data-astro-cid-jaulaal4]{font-weight:600;font-size:var(--fs-400);color:var(--c-ink);line-height:1.4}.resource-chart__row[data-astro-cid-jaulaal4] dd[data-astro-cid-jaulaal4]{font-size:var(--fs-400);color:var(--c-ink);margin:.3rem 0 0;line-height:1.4}.resource-chart__row[data-astro-cid-jaulaal4] dd[data-astro-cid-jaulaal4]>span[data-astro-cid-jaulaal4]:not(.resource-chart__bar){color:var(--c-text-muted)}.resource-chart__bar[data-astro-cid-jaulaal4]{background:var(--c-line);height:.65rem;margin-top:.6rem;display:block}.resource-chart__bar[data-astro-cid-jaulaal4]>span[data-astro-cid-jaulaal4]{height:100%;display:block}figcaption[data-astro-cid-jaulaal4]{margin-top:var(--caption-gap,.6rem);font:400 var(--fs-300)/1.55 var(--font-display);color:var(--c-text-muted)}figcaption[data-astro-cid-jaulaal4] span[data-astro-cid-jaulaal4],figcaption[data-astro-cid-jaulaal4] a[data-astro-cid-jaulaal4]{display:block}figcaption[data-astro-cid-jaulaal4] a[data-astro-cid-jaulaal4]{margin-top:.3rem}@media (width<=39.99em){.resource-chart[data-astro-cid-jaulaal4]{padding:var(--space-s)}.resource-chart[data-astro-cid-jaulaal4]>svg[data-astro-cid-jaulaal4]{display:none}.resource-chart__mobile[data-astro-cid-jaulaal4]{display:block}}@container (width<=30rem){.resource-chart[data-astro-cid-jaulaal4]>svg[data-astro-cid-jaulaal4]{display:none}.resource-chart__mobile[data-astro-cid-jaulaal4]{display:block}}.resource-reading[data-astro-cid-cykz64uc]{gap:var(--space-2xl);display:grid}.resource-opening[data-astro-cid-cykz64uc]{max-width:64rem}.resource-opening[data-astro-cid-cykz64uc] p[data-astro-cid-cykz64uc]+p[data-astro-cid-cykz64uc]{margin-top:var(--space-m)}.resource-lead[data-astro-cid-cykz64uc]{font-size:var(--fs-500);line-height:1.7}.resource-jumps[data-astro-cid-cykz64uc]{gap:var(--space-s);margin-top:var(--space-l);flex-wrap:wrap;display:flex}.resource-jumps[data-astro-cid-cykz64uc] a[data-astro-cid-cykz64uc]{border-bottom:2px solid var(--c-teal);font:600 var(--fs-400)/1.3 var(--font-display);padding:.6rem .9rem}.resource-case[data-astro-cid-cykz64uc]{scroll-margin-top:var(--header-space);border-top:1px solid var(--c-line);padding-top:var(--space-xl)}h3[data-astro-cid-cykz64uc]{max-width:26ch;font-size:var(--fs-700);margin-block:var(--space-xs) var(--space-l);line-height:1.15}h4[data-astro-cid-cykz64uc]{font-size:var(--fs-500);margin-bottom:var(--space-s)}.resource-split[data-astro-cid-cykz64uc],.resource-pair[data-astro-cid-cykz64uc]{gap:var(--media-gap);margin-top:var(--space-l);grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;display:grid}.resource-text[data-astro-cid-cykz64uc]{line-height:1.75}.resource-text[data-astro-cid-cykz64uc] p[data-astro-cid-cykz64uc]+p[data-astro-cid-cykz64uc]{margin-top:var(--space-m)}.resource-hiawatha[data-astro-cid-cykz64uc]{gap:var(--media-gap);margin-top:var(--space-l);grid-template-columns:1fr 1fr 1.4fr;align-items:start;display:grid}.resource-hiawatha[data-astro-cid-cykz64uc] img{max-width:27rem}.resource-planning[data-astro-cid-cykz64uc],.resource-method[data-astro-cid-cykz64uc]{padding-block:var(--space-l);border-bottom:1px solid var(--c-line);margin-top:var(--space-l);line-height:1.75}.resource-method[data-astro-cid-cykz64uc]>div[data-astro-cid-cykz64uc]{gap:var(--media-gap);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.resource-source[data-astro-cid-cykz64uc]{color:var(--c-text-muted);font:400 var(--fs-300)/1.6 var(--font-display);margin-top:var(--space-m)}@media (width>=64em){.resource-split--reverse[data-astro-cid-cykz64uc]>[data-astro-cid-cykz64uc]:first-child{order:2}}@media (width<=55.99em){.resource-hiawatha[data-astro-cid-cykz64uc]{grid-template-columns:repeat(2,minmax(0,1fr))}.resource-hiawatha[data-astro-cid-cykz64uc]>[data-astro-cid-cykz64uc]:last-child{grid-column:1/-1}}@media (width<=47.99em){.resource-split[data-astro-cid-cykz64uc],.resource-pair[data-astro-cid-cykz64uc],.resource-hiawatha[data-astro-cid-cykz64uc],.resource-method[data-astro-cid-cykz64uc]>div[data-astro-cid-cykz64uc]{grid-template-columns:minmax(0,1fr)}}.w-index[data-astro-cid-nok7zjz3]{background:var(--c-warm-50);padding-block:var(--space-m) var(--space-l)}.w-index__list[data-astro-cid-nok7zjz3]{border-top:1px solid var(--c-warm-300);grid-template-columns:repeat(2,1fr);display:grid}@media (width>=56em){.w-index__list[data-astro-cid-nok7zjz3]{grid-template-columns:repeat(4,1fr)}}.w-index__list[data-astro-cid-nok7zjz3] li[data-astro-cid-nok7zjz3]+li[data-astro-cid-nok7zjz3]{border-left:1px solid var(--c-warm-300)}@media (width<=55.99em){.w-index__list[data-astro-cid-nok7zjz3] li[data-astro-cid-nok7zjz3]:nth-child(3){border-left:0}.w-index__list[data-astro-cid-nok7zjz3] li[data-astro-cid-nok7zjz3]:nth-child(n+3){border-top:1px solid var(--c-warm-300)}}.w-index[data-astro-cid-nok7zjz3] a[data-astro-cid-nok7zjz3]{height:100%;padding:var(--space-s) var(--space-s) var(--space-s) clamp(.75rem, 1.5vw, 1.25rem);color:var(--c-ink);transition:background-color .2s var(--ease-out);gap:.15rem;text-decoration:none;display:grid}@media (width<=39.99em){.w-index__list[data-astro-cid-nok7zjz3]{grid-template-columns:minmax(0,1fr)}.w-index__list[data-astro-cid-nok7zjz3] li[data-astro-cid-nok7zjz3]+li[data-astro-cid-nok7zjz3]{border-left:0;border-top:1px solid var(--c-warm-300)}}.w-index[data-astro-cid-nok7zjz3] a[data-astro-cid-nok7zjz3]:hover{background:var(--c-warm-100)}.w-index__no[data-astro-cid-nok7zjz3]{color:var(--c-green-text);font-family:var(--font-display);font-size:.875rem;font-weight:600}.w-index__title[data-astro-cid-nok7zjz3]{font-family:var(--font-display);font-size:clamp(1.25rem,1.05rem + .8vw,1.625rem);font-weight:650;line-height:1.15}.w-index[data-astro-cid-nok7zjz3] a[data-astro-cid-nok7zjz3]:hover .w-index__title[data-astro-cid-nok7zjz3]{text-underline-offset:.2em;text-decoration:underline 2px}.w-index__text[data-astro-cid-nok7zjz3]{color:var(--c-text-muted);font-size:.875rem;line-height:1.45}.w-index__groups[data-astro-cid-nok7zjz3]{padding:var(--space-s);border-bottom:1px solid var(--c-line)}.w-chapter[data-astro-cid-nok7zjz3]{isolation:isolate;padding-block:var(--space-2xl) var(--space-xl);background:var(--c-warm-50);scroll-margin-top:1rem;position:relative}.w-chapter--tint[data-astro-cid-nok7zjz3]{background:var(--c-warm-100)}.w-chapter--dark[data-astro-cid-nok7zjz3]{--stone-start:calc(var(--nature-depth) * .78);background:var(--c-charcoal);padding-block:calc(var(--space-xl) + var(--stone-start) + var(--makadam-depth)) var(--space-xl)}#systeme[data-astro-cid-nok7zjz3]{--stone-start:calc(var(--nature-depth) * .9)}.w-chapter--cont[data-astro-cid-nok7zjz3]{padding-top:var(--space-l)}#macadam[data-astro-cid-nok7zjz3]{padding-top:calc(var(--space-2xl) + 2rem)}.w-legacy-anchor[data-astro-cid-nok7zjz3]{position:absolute;top:6rem}.w-chead[data-astro-cid-nok7zjz3]{gap:var(--space-s) var(--space-l);margin-bottom:var(--space-l);display:grid}@media (width>=56em){.w-chead[data-astro-cid-nok7zjz3]{grid-template-columns:auto 1fr;align-items:start}}.w-chead__no[data-astro-cid-nok7zjz3]{color:var(--c-lime);font-family:var(--font-display);letter-spacing:-.04em;font-size:clamp(3.5rem,2.5rem + 5vw,7.5rem);font-weight:300;line-height:.82}.w-chapter[data-astro-cid-nok7zjz3]:not(.on-dark) .w-chead__no[data-astro-cid-nok7zjz3]{color:var(--c-green-text)}.w-chead__title[data-astro-cid-nok7zjz3]{max-width:22ch;font-size:var(--fs-750);letter-spacing:-.015em;line-height:1.06}.w-chead__lead[data-astro-cid-nok7zjz3]{max-width:44rem;margin-top:var(--space-s);color:var(--c-ink);font-size:var(--fs-500);line-height:1.6}.on-dark[data-astro-cid-nok7zjz3] .w-chead__lead[data-astro-cid-nok7zjz3]{color:var(--c-on-dark)}.w-hero-photo img{border-radius:var(--radius-l)}@media (width<=47.99em){.w-hero-photo{--ratio:4 / 3!important}}.w-block[data-astro-cid-nok7zjz3]{padding-block:var(--space-xl);scroll-margin-top:1rem;position:relative}.w-block--tint[data-astro-cid-nok7zjz3]{background:var(--c-warm-100)}.w-block--water[data-astro-cid-nok7zjz3]{background:var(--c-warm-100);overflow:hidden}.w-block--water[data-astro-cid-nok7zjz3]>.container[data-astro-cid-nok7zjz3]{position:relative}.w-split[data-astro-cid-nok7zjz3]{gap:var(--space-l);align-items:center;display:grid}@media (width>=64em){.w-split[data-astro-cid-nok7zjz3]{gap:var(--space-xl);grid-template-columns:1fr 1fr}.w-split--flip[data-astro-cid-nok7zjz3]>[data-astro-cid-nok7zjz3]:first-child{order:2}}.w-split--video[data-astro-cid-nok7zjz3]{margin-top:var(--space-m);align-items:start}@media (width>=56em){.w-split--video[data-astro-cid-nok7zjz3]{gap:var(--space-m);grid-template-columns:1fr 1fr}}.w-text[data-astro-cid-nok7zjz3]>[data-astro-cid-nok7zjz3]+[data-astro-cid-nok7zjz3]{margin-top:1rem}.w-text[data-astro-cid-nok7zjz3] p[data-astro-cid-nok7zjz3]{max-width:38rem}.w-title[data-astro-cid-nok7zjz3]{font-size:var(--fs-700);line-height:1.1}.w-lead[data-astro-cid-nok7zjz3]{color:var(--c-ink);font-size:var(--fs-500);line-height:1.6}.on-dark[data-astro-cid-nok7zjz3] .w-lead[data-astro-cid-nok7zjz3]{color:var(--c-white)}.w-list[data-astro-cid-nok7zjz3]{gap:var(--media-gap);max-width:38rem;padding-left:1.1rem;display:grid}.w-list[data-astro-cid-nok7zjz3] li[data-astro-cid-nok7zjz3]::marker{color:var(--c-lime)}.w-pair[data-astro-cid-nok7zjz3]{gap:var(--media-gap);margin-top:var(--space-l);display:grid}@media (width>=48em){.w-pair[data-astro-cid-nok7zjz3]{grid-template-columns:1fr 1fr}}.w-duo[data-astro-cid-nok7zjz3]{gap:var(--media-gap);grid-template-columns:1.4fr 1fr;align-items:end;display:grid}.w-figlink[data-astro-cid-nok7zjz3]{color:inherit;text-decoration:none;display:block}.w-figlink[data-astro-cid-nok7zjz3]:hover figcaption{text-decoration:underline}.w-feature[data-astro-cid-nok7zjz3]{gap:var(--space-l);align-items:center;display:grid}@media (width>=64em){.w-feature[data-astro-cid-nok7zjz3]{gap:var(--space-xl);grid-template-columns:1.25fr 1fr}.w-feature--flip[data-astro-cid-nok7zjz3]>[data-astro-cid-nok7zjz3]:first-child{order:2}}.w-mosaic[data-astro-cid-nok7zjz3]{gap:var(--media-gap);margin-top:var(--space-xl);grid-template-columns:1fr 1fr;display:grid}.w-mosaic__main[data-astro-cid-nok7zjz3]{grid-column:1/-1}@media (width>=64em){.w-mosaic[data-astro-cid-nok7zjz3]{gap:var(--media-gap);grid-template-rows:auto auto;grid-template-columns:1fr 1fr}.w-mosaic__main[data-astro-cid-nok7zjz3]{grid-area:1/1/span 2}}.w-mosaic__main[data-astro-cid-nok7zjz3] img{max-height:46rem}.on-dark[data-astro-cid-nok7zjz3] .ph--diagram img{border-color:#0000}.w-links[data-astro-cid-nok7zjz3]{gap:.4rem;display:grid}.w-block--read[data-astro-cid-nok7zjz3]{padding-block:var(--space-l) var(--space-xl)}.w-read[data-astro-cid-nok7zjz3]{gap:var(--space-l);grid-template-columns:minmax(0,1fr);display:grid}@media (width>=64em){.w-read[data-astro-cid-nok7zjz3]{gap:var(--space-xl);grid-template-columns:minmax(0,1fr) 24rem;align-items:start}.w-read__aside[data-astro-cid-nok7zjz3]{top:calc(var(--header-space) + 1rem);order:2;position:sticky}}.w-read__aside[data-astro-cid-nok7zjz3] figure[data-astro-cid-nok7zjz3]{margin:0}.w-read__aside--stack[data-astro-cid-nok7zjz3]{gap:var(--space-m);display:grid}.w-read__aside[data-astro-cid-nok7zjz3] img{border-radius:var(--radius-l);width:100%;height:auto;display:block}.w-read__aside[data-astro-cid-nok7zjz3] figcaption[data-astro-cid-nok7zjz3]{color:var(--c-text-muted);font-family:var(--font-display);margin-top:.6rem;font-size:.875rem;line-height:1.45}.w-read__aside[data-astro-cid-nok7zjz3] figcaption[data-astro-cid-nok7zjz3] span[data-astro-cid-nok7zjz3]{opacity:.85;font-size:.8125rem;display:block}.w-read__aside[data-astro-cid-nok7zjz3] .gal{grid-template-columns:repeat(3,1fr)!important}.w-read__aside[data-astro-cid-nok7zjz3] .gal img{aspect-ratio:3/4}.w-prose[data-astro-cid-nok7zjz3] .photo--diagram{--bleed:100%}.w-prose[data-astro-cid-nok7zjz3]{--bleed:100%;min-width:0;max-width:44rem}.w-prose[data-astro-cid-nok7zjz3] h3{font-size:var(--fs-600)}.w-prose__kicker[data-astro-cid-nok7zjz3]{color:var(--c-green-text);font-family:var(--font-display);font-weight:600}.w-history[data-astro-cid-nok7zjz3]{gap:var(--media-gap);grid-template-columns:1fr 1fr;display:grid}.w-history__main[data-astro-cid-nok7zjz3]{grid-column:1/-1}@media (width>=64em){.w-history[data-astro-cid-nok7zjz3]{gap:var(--media-gap);grid-template-columns:2.4fr 1fr 1fr;align-items:end}.w-history__main[data-astro-cid-nok7zjz3]{grid-column:auto}}.w-columns[data-astro-cid-nok7zjz3]{gap:var(--space-m);margin-top:var(--space-l);display:grid}@media (width>=56em){.w-columns[data-astro-cid-nok7zjz3]{gap:var(--space-l);grid-template-columns:repeat(3,1fr)}}.w-terra[data-astro-cid-nok7zjz3]{margin-top:var(--space-l)}.w-cities[data-astro-cid-nok7zjz3]{gap:var(--media-gap);grid-template-columns:repeat(2,1fr);display:grid}@media (width>=64em){.w-cities[data-astro-cid-nok7zjz3]{grid-template-rows:repeat(2,minmax(15rem,1fr));grid-template-columns:2fr 1fr 1fr}.w-city--lead[data-astro-cid-nok7zjz3]{grid-row:1/span 2}}.w-city[data-astro-cid-nok7zjz3]{border-radius:var(--radius-l);background:var(--c-charcoal-2);position:relative;overflow:hidden}.w-city--lead[data-astro-cid-nok7zjz3]{grid-column:1/-1}@media (width>=64em){.w-city--lead[data-astro-cid-nok7zjz3]{grid-column:auto}}.w-city[data-astro-cid-nok7zjz3] picture,.w-city[data-astro-cid-nok7zjz3] img{width:100%;height:100%;display:block}.w-city[data-astro-cid-nok7zjz3] img{aspect-ratio:4/5;object-fit:cover;transition:transform 1s var(--ease-out)}.w-city--lead[data-astro-cid-nok7zjz3] img{aspect-ratio:4/3}@media (width>=64em){.w-city[data-astro-cid-nok7zjz3] img,.w-city--lead[data-astro-cid-nok7zjz3] img{aspect-ratio:auto}}.w-city[data-astro-cid-nok7zjz3]:hover img{transform:scale(1.04)}@media (prefers-reduced-motion:reduce){.w-city[data-astro-cid-nok7zjz3]:hover img{transform:none}}.w-city__body[data-astro-cid-nok7zjz3]{padding:var(--space-s);background:#1d1f1edb;position:absolute;inset:auto 0 0}.w-city[data-astro-cid-nok7zjz3] h3[data-astro-cid-nok7zjz3]{font-size:1.375rem}.w-city--lead[data-astro-cid-nok7zjz3] h3[data-astro-cid-nok7zjz3]{font-size:var(--fs-700)}.w-city[data-astro-cid-nok7zjz3] h3[data-astro-cid-nok7zjz3] a[data-astro-cid-nok7zjz3]{text-decoration:none;color:var(--c-white)!important}.w-city[data-astro-cid-nok7zjz3] h3[data-astro-cid-nok7zjz3] a[data-astro-cid-nok7zjz3]:after{content:"";position:absolute;inset:0}.w-city[data-astro-cid-nok7zjz3] h3[data-astro-cid-nok7zjz3] a[data-astro-cid-nok7zjz3]:focus-visible{outline:none}.w-city[data-astro-cid-nok7zjz3]:focus-within{outline:3px solid var(--c-lime);outline-offset:3px}.w-city[data-astro-cid-nok7zjz3] p[data-astro-cid-nok7zjz3]{max-width:30rem;color:var(--c-on-dark);margin-top:.25rem;font-size:.875rem;line-height:1.45}.w-systems-foot[data-astro-cid-nok7zjz3]{gap:var(--space-l);margin-top:var(--space-xl);display:grid}@media (width>=64em){.w-systems-foot[data-astro-cid-nok7zjz3]{gap:var(--space-xl);grid-template-columns:1fr 1.3fr}}.w-transfer[data-astro-cid-nok7zjz3]{padding-top:var(--space-s);border-top:3px solid var(--c-lime);color:var(--c-on-dark);align-content:start;gap:.5rem;text-decoration:none;display:grid}.w-transfer__title[data-astro-cid-nok7zjz3]{color:var(--c-white);font-family:var(--font-display);font-size:var(--fs-600);font-weight:650;line-height:1.2}.w-transfer[data-astro-cid-nok7zjz3]:hover .w-transfer__title[data-astro-cid-nok7zjz3]{text-decoration:underline}.w-transfer__text[data-astro-cid-nok7zjz3]{font-size:.9375rem;line-height:1.6}.w-small-title[data-astro-cid-nok7zjz3]{margin-bottom:var(--space-s);letter-spacing:.14em;text-transform:uppercase;font-size:.8125rem;font-weight:700}.w-articles[data-astro-cid-nok7zjz3]{border-top:1px solid #ffffff2e}.w-articles[data-astro-cid-nok7zjz3] a[data-astro-cid-nok7zjz3]{border-bottom:1px solid #ffffff2e;flex-wrap:wrap;justify-content:space-between;gap:.25rem 1rem;padding-block:.85rem;text-decoration:none;display:flex}.w-articles__title[data-astro-cid-nok7zjz3]{color:var(--c-white);font-family:var(--font-display);font-size:1.125rem;font-weight:600}.w-articles[data-astro-cid-nok7zjz3] a[data-astro-cid-nok7zjz3]:hover .w-articles__title[data-astro-cid-nok7zjz3]{text-decoration:underline}.w-articles__kicker[data-astro-cid-nok7zjz3]{color:var(--c-on-dark-muted);font-size:.875rem}.w-head[data-astro-cid-nok7zjz3]{max-width:48rem;margin-bottom:var(--space-l)}.w-head[data-astro-cid-nok7zjz3] .w-lead[data-astro-cid-nok7zjz3]{margin-top:var(--space-s)}.w-videos[data-astro-cid-nok7zjz3]{gap:var(--space-m);display:grid}@media (width>=56em){.w-videos[data-astro-cid-nok7zjz3]{grid-template-columns:1fr 1fr}}.w-partners[data-astro-cid-nok7zjz3]{max-width:48rem;margin-top:var(--space-m);color:var(--c-text-muted);font-size:.9375rem}.w-sources[data-astro-cid-nok7zjz3]{padding-block:var(--space-xl) var(--space-2xl)}.w-sources__inner[data-astro-cid-nok7zjz3]{max-width:56rem}.w-sources__meta[data-astro-cid-nok7zjz3]{color:var(--c-text-muted);font-size:.9375rem}.w-sources__details[data-astro-cid-nok7zjz3]{margin-top:var(--space-m);border-top:1px solid var(--c-warm-300);border-bottom:1px solid var(--c-warm-300)}.w-sources__details[data-astro-cid-nok7zjz3] summary[data-astro-cid-nok7zjz3]{padding-block:var(--space-s);font-family:var(--font-display);cursor:pointer;font-weight:600}.w-sources__list[data-astro-cid-nok7zjz3]{gap:var(--media-gap);padding:0 0 var(--space-m) 1.25rem;overflow-wrap:anywhere;font-size:.875rem;line-height:1.55;display:grid}