.ecb{position:relative;container-type:inline-size;aspect-ratio:640 / 390;overflow:hidden;border-radius:12px;background:color-mix(in srgb,var(--fg) 3%,transparent)}.ecb-mark{position:absolute;left:50%;top:54%;width:128%;height:auto;aspect-ratio:1;translate:-50% -50%;pointer-events:none;color:hsl(var(--foreground));-webkit-mask-image:radial-gradient(48% 48% at 50% 50%,#000 30%,transparent 76%);mask-image:radial-gradient(48% 48% at 50% 50%,#000 30%,transparent 76%)}.ecb-mark path{fill:currentColor;fill-opacity:.03;stroke:hsl(var(--foreground));stroke-opacity:.22;stroke-width:1.1;vector-effect:non-scaling-stroke}.ecb-stage{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:flex-end;justify-content:center;gap:10cqi;padding-bottom:7.5cqi}.ecb-book{--t: 2.1cqi;position:relative;display:block;width:28cqi;aspect-ratio:840 / 1296;perspective:1300px;border-radius:6px;outline:none}.ecb-book--2{width:27.5cqi;aspect-ratio:485 / 757;margin-bottom:7cqi}.ecb-lift{position:absolute;top:0;right:0;bottom:0;left:0;transform-style:preserve-3d}.ecb-body{position:absolute;top:0;right:0;bottom:0;left:0;transform-style:preserve-3d;transform:rotateY(-22deg) rotateX(3deg)}.ecb-front{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;border-radius:2px 5px 5px 2px;transform:translateZ(calc(var(--t) / 2));background:#111;box-shadow:inset 0 0 0 1px #ffffff0f}.ecb-front img{display:block;width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.ecb-front:before,.ecb-front:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.ecb-front:before{right:auto;width:6%;background:linear-gradient(90deg,rgb(0 0 0 / .38),rgb(255 255 255 / .16) 40%,rgb(0 0 0 / .1) 64%,transparent)}.ecb-front:after{background:linear-gradient(118deg,#ffffff2e,#fff0 32%,#fff0 72%,#ffffff12)}.ecb-pages{position:absolute;top:1.2%;bottom:1.2%;right:calc(var(--t) / -2);width:var(--t);transform:rotateY(90deg);background:linear-gradient(90deg,rgb(0 0 0 / .16),transparent 22%,transparent 78%,rgb(0 0 0 / .2)),repeating-linear-gradient(90deg,#f8f6f2 0,#f8f6f2 1px,#d3cec5 1px,#d3cec5 1.6px,#f0ede5 1.6px,#f0ede5 2.4px)}.ecb-floor{position:absolute;left:4%;right:-8%;bottom:-4.5%;height:8%;z-index:-1;border-radius:50%;background:radial-gradient(closest-side,rgb(0 0 0 / .42),transparent);filter:blur(5px)}.dark .ecb-floor{background:radial-gradient(closest-side,rgb(0 0 0 / .8),transparent)}.dark .ecb-mark path{fill-opacity:.04;stroke-opacity:.26}.ecb-book:focus-visible .ecb-front{outline:2px solid var(--fg);outline-offset:-2px}.ec-page{isolation:isolate}.ec-shell{max-width:1500px;margin:0 auto}.ec-sec{scroll-margin-top:150px}.ec-state{display:inline-flex;align-items:center;gap:7px;min-height:28px;padding:0 12px;white-space:nowrap;border-radius:999px;background:var(--g-fill-thin);box-shadow:inset 0 0 0 1px var(--g-hair);font:600 12.5px/1 var(--font-body);color:var(--fg-sec)}.ec-state--quiet{color:hsl(var(--foreground) / var(--text-muted))}.ec-dot{flex:none;width:6px;height:6px;border-radius:50%}.ec-dot-live{background:hsl(var(--foreground))}.ec-dot-build{background:hsl(var(--foreground) / .34)}.ec-hero{position:relative;overflow:hidden;padding:clamp(124px,12vw,168px) 24px clamp(40px,5vw,64px)}.ec-hero-in{position:relative;z-index:1}.ec-hero-copy{display:flex;flex-direction:column;align-items:center;text-align:center;max-width:960px;margin:0 auto}.ec-hero-title{margin:clamp(20px,2.6vw,28px) 0 0;text-wrap:balance;font:var(--t-display-1);letter-spacing:calc(var(--tk-display-1) + var(--optic-track-display))}.ec-hero-title em{font-family:var(--font-serif-accent);font-weight:400;color:hsl(var(--brand-ink))}.ec-hero-description{max-width:680px;margin:clamp(18px,2.2vw,24px) 0 0;text-wrap:pretty;font:var(--t-lead);letter-spacing:calc(var(--tk-lead) + var(--optic-track));color:hsl(var(--foreground) / .78)}.ec-hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:11px;margin-top:clamp(24px,3vw,32px)}.ec-hero-map{margin-top:clamp(40px,5.4vw,68px)}.ec-map{max-width:1240px;margin:0 auto;box-sizing:border-box;padding:var(--pad-feature);border-radius:var(--r-feature);border:1px solid var(--g-hair);background:var(--g-fill);-webkit-backdrop-filter:var(--g-blur);backdrop-filter:var(--g-blur);box-shadow:var(--g-shade),inset 0 1px 0 var(--g-spec-top),var(--c-rest)}.ec-map-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px}.ec-map-label{font:600 12px/1 var(--font-body);text-transform:uppercase;letter-spacing:.05em;color:hsl(var(--foreground) / var(--text-muted))}.ec-map-steps{position:relative;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));margin:clamp(26px,3vw,40px) 0 0;padding:0;list-style:none}.ec-map-step{position:relative;display:flex;flex-direction:column;align-items:center;gap:18px;padding:0 6px}.ec-map-rail{position:absolute;top:23px;left:0;right:0;border-top:1px dashed hsl(var(--foreground) / .3);transform-origin:0 50%}.ec-map-step:first-child .ec-map-rail{left:50%}.ec-map-step:last-child .ec-map-rail{right:50%}.ec-map-step:not(:last-child) .ec-map-rail:after{content:"";position:absolute;top:-5px;right:-1px;width:8px;height:8px;border-top:1px solid hsl(var(--foreground) / .42);border-right:1px solid hsl(var(--foreground) / .42);transform:rotate(45deg)}.ec-map-node{position:relative;z-index:1;display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 18px 0 7px;border-radius:var(--radius-capsule);border:1px solid var(--g-hair);background:hsl(var(--card));box-shadow:var(--c-rest)}.ec-map-node>.pi{flex:none}.ec-map-num{font:600 12px/1 var(--font-numeric);font-variant-numeric:tabular-nums;letter-spacing:.02em;color:hsl(var(--foreground) / var(--text-muted))}.ec-map-node strong{font:600 15px/1 var(--font-body);letter-spacing:-.005em;color:hsl(var(--foreground))}.ec-map-products{display:flex;flex-direction:column;align-items:center;gap:8px;margin:0;padding:0;list-style:none}.ec-mchip{display:inline-flex;align-items:center;gap:9px;min-height:38px;padding:0 15px 0 9px;white-space:nowrap;text-decoration:none;border-radius:var(--radius-capsule);border:1px solid var(--hair);background:hsl(var(--foreground) / .04);font:600 13px/1 var(--font-body);color:hsl(var(--foreground) / .86)}.ec-mchip>.pi{flex:none}.ec-mchip.is-build>.pi{opacity:.72}.ec-mchip:hover{border-color:var(--g-hair-hover)}.ec-mchip:focus-visible{outline:2px solid hsl(var(--ring));outline-offset:3px}.ec-mchip.is-build{border-style:dashed}.ec-problems{padding:clamp(36px,4.6vw,64px) 24px clamp(28px,3.4vw,48px)}.ec-problem-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin:clamp(26px,3vw,40px) 0 0;padding:0;list-style:none}.ec-idx{display:flex;flex-direction:column;gap:16px;height:100%;box-sizing:border-box;padding:24px;border-radius:var(--r-card);text-decoration:none;color:inherit}.ec-idx:focus-visible{outline:2px solid hsl(var(--brand-ink));outline-offset:3px}.ec-idx-top{display:flex;justify-content:space-between;align-items:center}.ec-idx-top>.pi{flex:none}.ec-idx-num{display:inline-flex;align-items:center;justify-content:center;height:28px;padding:0 11px;border-radius:999px;font:600 12.5px/1 var(--font-body);font-variant-numeric:tabular-nums}.ec-idx-t{flex:1;font:650 16px/1.35 var(--font-display);letter-spacing:-.015em;color:var(--fg);text-wrap:pretty}.ec-idx-answer{display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:12px;border-top:1px solid var(--g-hair);font:500 13px/1.45 var(--font-body);color:hsl(var(--foreground) / var(--text-muted))}.ec-product-stories{padding-bottom:clamp(24px,3vw,48px)}.ec-nav{max-width:1500px;margin:0 auto;padding:0 24px}.ec-nav ul{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:0;padding:0;list-style:none}.ec-nav-item{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 15px 0 10px;white-space:nowrap;border-radius:var(--radius-capsule);border:1px solid transparent;text-decoration:none;font:600 13px/1 var(--font-body);color:hsl(var(--foreground) / var(--text-muted));transition:background-color var(--dur-hover) var(--ease-g2-standard),color var(--dur-hover) var(--ease-g2-standard)}.ec-nav-item:hover{background:hsl(var(--foreground) / .06);color:hsl(var(--foreground))}.ec-nav-item[aria-current=true]{background:var(--control-selected-fill, hsl(var(--foreground)));color:var(--control-selected-ink, hsl(var(--background)))}.ec-nav-item>.pi{flex:none}.ec-nav-item:focus-visible{outline:2px solid hsl(var(--ring));outline-offset:2px}@media (min-width: 1280px){.ec-nav{position:sticky;top:92px;z-index:30;width:-moz-fit-content;width:fit-content;padding:0}.ec-nav ul{flex-wrap:nowrap;gap:2px;padding:5px;border-radius:var(--radius-capsule);border:1px solid var(--hair-soft);background:hsl(var(--card));box-shadow:var(--shadow-layered);-webkit-backdrop-filter:none;backdrop-filter:none}}.ec-product-section{position:relative;padding:0 24px;margin-top:clamp(18px,2.2vw,30px)}.ec-card{max-width:1500px;margin:0 auto;box-sizing:border-box;padding:32px;border-radius:var(--r-feature)}.ec-card-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;padding-bottom:20px;border-bottom:1px solid var(--g-hair)}.ec-sec-head{display:inline-flex;align-items:center;gap:14px}.ec-sec-head>.pi{flex:none}.ec-sec-id{display:flex;flex-direction:column;gap:3px;min-width:0}.ec-sec-line{display:inline-flex;align-items:center;gap:10px}.ec-sec-tagline{font:500 13.5px/1.4 var(--font-body);color:hsl(var(--foreground) / var(--text-muted))}.ec-sec-num{display:inline-flex;align-items:center;justify-content:center;height:28px;padding:0 11px;border-radius:999px;font:600 12.5px/1 var(--font-body);font-variant-numeric:tabular-nums}.ec-sec-name{margin:0;font:700 13px/1.3 var(--font-body);letter-spacing:.03em;text-transform:uppercase}.ec-story-layout{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,392px),1fr));gap:clamp(28px,4vw,64px);align-items:center;margin-top:clamp(22px,2.6vw,34px)}.ec-story-copy,.ec-story-visual{min-width:0}@media (min-width: 941px){.ec-flip .ec-story-copy{order:2}}.ec-problem{max-width:620px;margin:16px 0 0;font:700 clamp(24px,2.3vw,30px)/1.15 var(--font-display);letter-spacing:-.025em;color:var(--fg);text-wrap:pretty}.ec-story-copy>p{max-width:600px;margin:16px 0 0;font:450 16px/1.72 var(--font-body);letter-spacing:-.006em;color:hsl(var(--foreground) / var(--text-muted));text-wrap:pretty}.ec-story-copy>.ec-problem+p{margin-top:18px}.ec-features{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,238px),1fr));gap:11px 22px;margin:24px 0 0;padding:0;list-style:none}.ec-features li{display:flex;align-items:flex-start;gap:10px;font:500 14px/1.46 var(--font-body);letter-spacing:-.006em;color:var(--fg-sec);text-wrap:pretty}.ec-check{flex:none;display:inline-grid;place-items:center;width:20px;height:20px;margin-top:1px;border-radius:var(--radius-capsule)}.ec-book-links{display:grid;gap:10px;margin-top:24px}.ec-book-link{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px;padding:var(--pad-tile) var(--pad-callout) var(--pad-tile) var(--pad-tile);text-decoration:none;color:inherit;border-radius:var(--r-compact)}.ec-book-link:focus-visible{outline:2px solid hsl(var(--brand-ink));outline-offset:3px}.ec-book-cover{width:38px;height:50px;flex:none;overflow:hidden;border-radius:4px 7px 7px 4px;background:hsl(var(--muted));box-shadow:0 4px 10px #0000004d,inset 0 0 0 1px var(--g-hair)}.ec-book-cover img{display:block;width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.ec-book-cover img[src*=chart-patterns]{transform:scale(2.3);transform-origin:50% 52%}.ec-book-link strong{display:block;font:600 15px/1.3 var(--font-body);letter-spacing:-.005em;color:var(--fg)}.ec-book-link small{display:block;margin-top:3px;font:450 13px/1.4 var(--font-body);color:hsl(var(--foreground) / var(--text-muted))}.ec-book-link .ec-book-link-cta{min-height:0;white-space:nowrap}.ec-story-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px;padding-top:18px;border-top:1px solid var(--hair-soft)}.ec-preview{min-width:0;width:100%;margin:0;overflow:hidden;border-radius:var(--r-card)}.ec-preview-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid var(--g-hair)}.ec-preview-brand{display:inline-flex;align-items:center}.ec-preview-brand>.pi{flex:none}.ec-preview-type{font:500 12px/1.3 var(--font-body);color:hsl(var(--foreground) / var(--text-muted));white-space:nowrap}.ec-vector-stage{padding:12px;background:color-mix(in srgb,var(--fg) 2.5%,transparent)}.ec-preview-caption{display:flex;align-items:flex-start;gap:9px;padding:14px 18px;border-top:1px solid var(--g-hair);font:600 13px/1.6 var(--font-body);color:var(--fg-sec)}.ec-preview-caption-dot{flex:none;width:6px;height:6px;margin-top:7px;border-radius:50%}.ec-close{position:relative;overflow:hidden;padding:clamp(40px,5vw,72px) 24px clamp(96px,11vw,150px)}.ec-close>.site-closing-cta{position:relative;z-index:1}.ec-close-tiles{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:30px auto 0;padding:0;max-width:900px;list-style:none}.ec-tile{display:inline-flex;align-items:center;gap:9px;min-height:44px;padding:0 18px 0 11px;text-decoration:none;white-space:nowrap;border-radius:var(--radius-capsule);border:1px solid var(--hair);background:hsl(var(--foreground) / .04);font:600 14px/1 var(--font-body);color:hsl(var(--foreground) / .86)}.ec-tile>.pi{flex:none}.ec-tile:hover{border-color:var(--g-hair-hover)}.ec-tile:focus-visible{outline:2px solid hsl(var(--ring));outline-offset:3px}.ec-product-diagram{display:block;width:100%;height:auto;overflow:visible}@media (max-width: 1100px){.ec-problem-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width: 940px){.ec-sec{scroll-margin-top:100px}.ec-map-steps{grid-template-columns:1fr;gap:22px;margin-top:24px}.ec-map-step{flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:flex-start;gap:12px 14px;padding:0}.ec-map-rail{display:none}.ec-map-node{flex:none;min-width:152px}.ec-map-products{flex-direction:row;flex-wrap:wrap;justify-content:flex-start}}@media (max-width: 700px){.ec-hero{padding:108px 16px 36px}.ec-hero-actions{width:100%}.ec-hero-actions>a{flex:1 1 100%;justify-content:center}.ec-map{padding:var(--pad-callout) var(--pad-compact)}.ec-problems,.ec-product-section,.ec-close{padding-left:16px;padding-right:16px}.ec-problem-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ec-idx{padding:16px;gap:14px}.ec-idx-t{font-size:14px}.ec-nav{padding:0 16px}.ec-nav ul{justify-content:flex-start}.ec-card{padding:var(--pad-callout)}.ec-story-layout{display:flex;flex-direction:column}.ec-story-layout>*{width:100%}.ec-preview-type{white-space:normal;text-align:right}.ec-preview-bar,.ec-preview-caption{padding:12px 14px}.ec-vector-stage{padding:12px 0}.ec-book-link{grid-template-columns:auto minmax(0,1fr);row-gap:0}.ec-book-link .ec-book-link-cta{grid-column:2;justify-self:start}}@media (prefers-reduced-motion: reduce){.ec-tile,.ec-mchip,.ec-nav-item{transition:none}.ec-tile:hover,.ec-mchip:hover{transform:none}}:root body .ec-page :is(.ec-product-section,.ec-mchip,.ec-idx,.ec-tile){--ec-ink: color-mix(in srgb, hsl(var(--product-ink, var(--product))) 82%, hsl(var(--foreground)));--ec-ink-soft: color-mix(in srgb, hsl(var(--product-ink, var(--product))) 55%, hsl(var(--foreground)))}:root body .ec-page .ec-sec-num{background:hsl(var(--product) / .16);color:var(--ec-ink)}:root body .ec-page .ec-sec-name{color:var(--ec-ink-soft)}:root body .ec-page .ec-check{color:hsl(var(--product-ink, var(--product)))}:root body .ec-page .ec-preview-bar{background:none}:root body .ec-page .ec-preview-caption-dot{background:hsl(var(--product))}:root body .ec-page .ec-idx-num{background:hsl(var(--product) / .16);color:var(--ec-ink)}:root body .ec-page .ec-hero-fact[data-tone] dt{color:var(--tone)}:root body .ec-page .ec-state.tone-chip{box-shadow:none}:root body .ec-page .ec-state.tone-chip .ec-dot{background:currentColor}.ec-page .ec-state.tone-chip .ec-dot-build{opacity:.55}.ec-page .ec-close.tone-glow[data-tone]{background-image:radial-gradient(42% 170px at 50% 175px,color-mix(in srgb,var(--tone) var(--tone-glow),transparent),transparent 100%)}:root body .ec-page :is(.ec-product-section,.ec-idx):not(.theme-investology){--product: var(--brand-500);--product-ink: var(--brand-600)}.dark body .ec-page :is(.ec-product-section,.ec-idx):not(.theme-investology){--product-ink: var(--brand-400)}html:has(.ec-page){scroll-padding-top:0}.ec-page{--ec-nav-top: 92px;--ec-anchor-top: 170px}.ec-page .ec-shell,.ec-page .ec-card{max-width:1500px}.ec-page .ec-sec{scroll-margin-top:var(--ec-anchor-top)}.ec-page .ec-hero{padding-top:132px;padding-bottom:40px}.ec-page .ec-hero-map{margin-top:40px}.ec-page .ec-hero-description{max-width:720px}.ec-page .ec-mchip{min-height:44px}.ec-page .ec-problems{padding-top:32px}.ec-page .ec-nav{position:sticky;top:var(--ec-nav-top);z-index:30;width:calc(100% - 48px);max-width:1380px;padding:0}.ec-page .ec-nav ul{position:relative;flex-wrap:nowrap;justify-content:flex-start;gap:2px;padding:6px;overflow-x:auto;overscroll-behavior-inline:contain;scrollbar-width:thin;scrollbar-color:hsl(var(--foreground) / .18) transparent;border:1px solid var(--hair);border-radius:30px;background:hsl(var(--card));box-shadow:var(--shadow-layered);-webkit-backdrop-filter:none;backdrop-filter:none}.ec-page .ec-nav li{flex:none}.ec-page .ec-nav-item{min-height:44px;padding-inline:10px 14px}.ec-page .ec-sec-name{font:600 18px/1.22 var(--font-display);letter-spacing:-.018em;text-transform:none}:root body .ec-page .ec-sec-name{color:hsl(var(--foreground))}.ec-page .ec-story-copy>p{color:hsl(var(--foreground) / .82)}.ec-page .ec-features{margin-top:22px}.ec-page .ec-diagram-placeholder{width:100%;aspect-ratio:640 / 390;background:hsl(var(--foreground) / .025);border-radius:12px}.ec-expand-row{display:flex;justify-content:center;padding:6px 10px;border-top:1px solid var(--g-hair)}.ec-expand:focus-visible,.ec-diagram-dialog button:focus-visible,.ec-dialog-scroll:focus-visible{outline:2px solid hsl(var(--ring));outline-offset:-3px}.ec-diagram-dialog{width:min(1040px,calc(100vw - 24px));max-width:none;max-height:calc(100dvh - 32px);padding:0;border:1px solid var(--hair);border-radius:24px;color:hsl(var(--foreground));background:hsl(var(--card));overflow:auto;box-shadow:0 24px 100px #00000059}.ec-diagram-dialog::backdrop{background:#000000ad}.ec-dialog-panel{padding:20px}.ec-dialog-panel header{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px}.ec-dialog-panel h2{margin:0;font:750 22px/1.3 var(--font-display);letter-spacing:-.025em}.ec-dialog-panel header p,.ec-dialog-caption{margin:6px 0 0;font:450 14px/1.6 var(--font-body);color:hsl(var(--foreground) / .78)}.ec-dialog-panel button{display:grid;place-items:center;flex:none;width:44px;height:44px;border-radius:50%;background:hsl(var(--foreground) / .07)}.ec-dialog-scroll{overflow-x:auto;overscroll-behavior-inline:contain;border:1px solid var(--hair-soft);border-radius:16px;background:hsl(var(--background))}.ec-dialog-scroll .ec-product-diagram{min-width:640px}.ec-dialog-caption{margin-top:16px}.ec-builder-link{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;margin-top:20px;padding:8px 12px;font:600 14px/1.5 var(--font-body);color:hsl(var(--foreground) / .8);border-radius:12px}.ec-builder-link:hover{color:hsl(var(--foreground));background:hsl(var(--foreground) / .04)}.ec-builder-link:focus-visible{outline:2px solid hsl(var(--ring));outline-offset:2px}@media (max-width: 1023px){.ec-page{--ec-nav-top: 10px;--ec-anchor-top: 88px}.ec-page .ec-hero{padding-top:40px}}@media (max-width: 700px){.ec-page .ec-hero{padding-top:32px;padding-bottom:28px}.ec-page .ec-hero-map{margin-top:28px}.ec-page .ec-nav{width:calc(100% - 24px)}.ec-page .ec-map-step{gap:10px}.ec-page .ec-map-products{width:100%;padding-left:10px}.ec-page .ec-map-steps{gap:20px}.ec-page .ec-card{padding:var(--pad-callout) var(--pad-compact);border-radius:var(--r-card)}.ec-page .ec-preview{border-radius:var(--r-tile)}.ec-page .ec-sec-name{font-size:18px}.ec-page .ec-story-layout{gap:24px}.ec-page .ec-story-copy>p{font-size:15px;line-height:1.7}.ec-page .ec-state{white-space:normal;line-height:1.5;padding-block:6px}.ec-page .ec-preview-bar{flex-wrap:wrap;gap:8px}.ec-page .ec-preview-type{text-align:left;padding-left:42px}.ec-dialog-panel{padding:14px}}@media (max-width: 479px){.ec-page .ec-problem-grid{grid-template-columns:1fr;gap:10px}.ec-page .ec-idx{gap:12px}.ec-page .ec-idx-t{font-size:16px}}@media (prefers-reduced-transparency: reduce){.ec-page .ec-nav ul{background:hsl(var(--card));-webkit-backdrop-filter:none;backdrop-filter:none}}.ec-page .ec-map-label{font:650 12px/1 var(--font-body);letter-spacing:.07em;color:var(--fg-2)}.ec-page .ec-idx{padding:var(--pad-card);gap:var(--gap-card)}.ec-page .ec-idx-num{font:600 13px/1 var(--font-numeric);font-variant-numeric:tabular-nums}.ec-page .ec-idx-t{font:700 20px/1.3 var(--font-display);letter-spacing:-.01em}.ec-page .ec-idx-answer{margin-top:auto;font:500 14px/1.45 var(--font-body);color:var(--fg-2)}.ec-page .ec-sec-num{font:600 13px/1 var(--font-numeric);font-variant-numeric:tabular-nums}.ec-page .ec-sec-name{font:700 20px/1.3 var(--font-display);letter-spacing:-.01em}.ec-page .ec-story-copy>p{color:color-mix(in srgb,var(--fg) 90%,transparent)}.ec-page .ec-features li{font:450 15px/1.55 var(--font-body);color:color-mix(in srgb,var(--fg) 88%,transparent)}.ec-page .ec-book-links{gap:var(--gap-compact)}.ec-page .ec-book-link{padding:var(--pad-compact);gap:var(--gap-compact)}.ec-page .ec-book-link strong{font:700 16px/1.35 var(--font-display);letter-spacing:0}.ec-page .ec-book-link small{margin-top:4px;font:500 14px/1.45 var(--font-body);color:var(--fg-2)}.ec-page .ec-preview{padding:var(--pad-media)}.ec-page .ec-preview-bar{padding:4px 4px 12px;border-bottom:0}.ec-page .ec-preview-type{font:500 13.5px/1.35 var(--font-body);color:var(--fg-2)}.ec-page .ec-vector-stage{border-radius:var(--r-inner);overflow:hidden}.ec-page .ec-preview-caption{padding:12px 4px 4px;border-top:0;font:500 14px/1.55 var(--font-body);color:var(--fg-2)}.ec-page .ec-expand-row{padding:8px 0 0;border-top:0}@media (max-width: 700px){.ec-page .ec-map,.ec-page .ec-card{padding:var(--pad-card)}.ec-page .ec-idx{padding:var(--pad-card);gap:var(--gap-card)}.ec-page .ec-idx-t{font-size:20px}.ec-page .ec-vector-stage{border-radius:var(--r-tile)}.ec-page .ec-preview-bar{padding:4px 4px 12px}.ec-page .ec-preview-caption{padding:12px 4px 4px}.ec-page .ec-book-link{padding:var(--pad-compact)}}@media (max-width: 479px){.ec-page .ec-idx{gap:var(--gap-card)}.ec-page .ec-idx-t{font-size:20px}}.ec-page .ec-std,.ec-page .ec-problems{padding:clamp(18px,2.6vw,30px) 24px clamp(56px,6vw,84px)}.ec-page .ec-products-head{padding-bottom:0}.ec-page .ec-nav{margin-top:clamp(22px,2.6vw,34px)}.ec-page .ec-hero-wrap{box-sizing:border-box;padding:104px 24px 8px}.ec-page .ec-hero{position:relative;isolation:isolate;overflow:hidden;box-sizing:border-box;max-width:1500px;margin:0 auto;padding:clamp(40px,4vw,64px) clamp(24px,3vw,48px) clamp(24px,3vw,40px);border-radius:var(--r-feature, 32px);border:1px solid var(--g-hair);box-shadow:var(--c-rest);background:hsl(var(--background))}.dark .ec-page .ec-hero{background:color-mix(in srgb,var(--fg) 4%,var(--bg));border-color:var(--g-hair-hover)}.ec-page .ec-hero-in{position:relative;z-index:1}.ec-page .ec-hero-row{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(28px,3vw,56px);align-items:center}@media (min-width: 1100px){.ec-page .ec-hero-row{grid-template-columns:minmax(0,1fr) clamp(380px,32vw,520px);gap:clamp(32px,5vw,88px)}}.ec-page .ec-hero-copy{display:block;max-width:none;margin:0;text-align:left}.ec-page .ec-hero-title{margin-top:0;max-width:14ch;font:var(--t-display-2);letter-spacing:calc(var(--tk-display-2) + var(--optic-track-display))}.ec-page .ec-hero-title em{white-space:nowrap}.ec-page .ec-hero-description{max-width:34em}.ec-page .ec-hero-actions{justify-content:flex-start}.ec-page .ec-hero-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0}.ec-page .ec-hero-fact{display:flex;flex-direction:column-reverse;gap:8px;padding:18px 20px;border:1px solid var(--g-hair);border-radius:var(--r-compact, 16px);background:var(--g-fill-thin);box-shadow:var(--g-shade)}.ec-page .ec-hero-fact dt{font:650 12px/1.3 var(--font-body);letter-spacing:.02em;text-transform:uppercase;color:var(--fg-2)}.ec-page .ec-hero-fact dd{margin:0;font:600 clamp(26px,2.4vw,34px)/1 var(--font-numeric);font-variant-numeric:tabular-nums;letter-spacing:-.02em;color:var(--fg)}.dark .ec-page .ec-hero-fact{border-color:var(--g-hair-hover);background:color-mix(in srgb,var(--fg) 5%,transparent)}.ec-page .ec-hero-map{margin-top:clamp(28px,3vw,40px)}.ec-page .ec-map{max-width:none}.ec-page .ec-problem-label{display:block;font:650 12px/1.3 var(--font-body);letter-spacing:.02em;text-transform:uppercase;color:var(--fg-2)}.ec-page .ec-close{padding:clamp(18px,2.6vw,30px) 24px clamp(56px,6vw,84px)}.ec-page .ec-close .site-closing-cta__title{margin-top:0}@media (max-width: 1023px){.ec-page .ec-hero-wrap{padding-top:96px}.ec-page .ec-hero{padding-top:clamp(28px,4vw,48px)}}@media (max-width: 760px){.ec-page .ec-hero-wrap{padding:20px 12px 8px}.ec-page .ec-hero{border-radius:var(--r-card);padding:24px 18px 20px}.ec-page .ec-hero-facts{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 600px){.ec-page .ec-std,.ec-page .ec-problems,.ec-page .ec-close{padding-left:16px;padding-right:16px}}.ec-page .ec-hero-scene{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none}.ec-page .ec-hero-scene .theme-video,.ec-page .ec-hero-scene video,.ec-page .ec-hero-scene img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;-o-object-fit:cover;object-fit:cover;-o-object-position:50% 50%;object-position:50% 50%}.ec-page .ec-hero-pic,.ec-page .ec-hero-pic img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.ec-page .ec-hero-pic img{display:block;-o-object-fit:cover;object-fit:cover;-o-object-position:50% 50%;object-position:50% 50%}.ec-page .ec-hero-pic--dark,.dark .ec-page .ec-hero-pic--light,.obsidian .ec-page .ec-hero-pic--light{display:none}.dark .ec-page .ec-hero-pic--dark,.obsidian .ec-page .ec-hero-pic--dark{display:block}.ec-page .ec-hero-veil{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,rgba(255,255,255,.5) 0%,rgba(255,255,255,.22) 46%,transparent 70%)}.dark .ec-page .ec-hero-veil{background:linear-gradient(90deg,rgba(0,0,0,.55) 0%,rgba(0,0,0,.25) 46%,transparent 70%)}.ec-page .ec-hero .lb-mark{z-index:0}.ec-page .ec-hero-wrap.is-bleed{padding:0}.ec-page .is-bleed .ec-hero{max-width:none;border:0;border-radius:0;box-shadow:none;padding-top:clamp(132px,15vw,176px);padding-inline:max(clamp(24px,3vw,48px),calc((100% - 1452px)/2))}.ec-page .is-bleed .ec-hero-scene:after{content:"";position:absolute;inset:auto 0 0 0;height:18%;background:linear-gradient(180deg,transparent,hsl(var(--background)))}@media (max-width: 760px){.ec-page .is-bleed .ec-hero{padding:104px 16px 24px}.ec-page .ec-hero-scene{inset:160px 0 auto 0;height:760px;-webkit-mask-image:linear-gradient(180deg,transparent 0%,#000 16%,#000 80%,transparent 100%);mask-image:linear-gradient(180deg,transparent 0%,#000 16%,#000 80%,transparent 100%)}.ec-page .ec-hero-pic img{-o-object-position:50% 50%;object-position:50% 50%}.ec-page .ec-hero-veil{background:linear-gradient(180deg,rgba(255,255,255,.45) 0%,rgba(255,255,255,.2) 50%,transparent 70%)}.dark .ec-page .ec-hero-veil{background:linear-gradient(180deg,rgba(0,0,0,.5) 0%,rgba(0,0,0,.2) 50%,transparent 70%)}.ec-page .ec-hero-fact{background:color-mix(in srgb,hsl(var(--background)) 70%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}}