/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before{box-sizing:border-box;border:0 solid;margin:0;padding:0}::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.static{position:static}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.m-109{margin:calc(var(--spacing) * 109)}.m-183{margin:calc(var(--spacing) * 183)}.m-408{margin:calc(var(--spacing) * 408)}.m-511{margin:calc(var(--spacing) * 511)}.m-514{margin:calc(var(--spacing) * 514)}.m-768{margin:calc(var(--spacing) * 768)}.grow{flex-grow:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.rounded{border-radius:.25rem}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.blur{--tw-blur:blur(8px);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}@font-face{font-family:Fraunces;src:url(/fonts/Fraunces-Medium.ttf)format("truetype");font-style:normal;font-weight:500;font-display:swap}@font-face{font-family:Figtree;src:url(/fonts/Figtree-Regular.ttf)format("truetype");font-style:normal;font-weight:400;font-display:swap}@font-face{font-family:Figtree;src:url(/fonts/Figtree-SemiBold.ttf)format("truetype");font-style:normal;font-weight:600;font-display:swap}:root{--background:#faf4ed;--surface:#fffcf8;--plum-surface:#efe2ea;--sage-surface:#e4eadb;--ochre-surface:#fbefd8;--border:#ebe0d4;--border-strong:#dccfbf;--text:#332f2c;--secondary:#6d645c;--muted:#968b81;--primary:#6b2e4e;--primary-pressed:#56243e;--on-primary:#fff8fb;--rose:#c4788f;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--background);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-family:Figtree,ui-sans-serif,system-ui,sans-serif}a{color:inherit;text-decoration:none}.site-header{z-index:10;border-bottom:1px solid var(--border);grid-template-columns:1fr auto 1fr;align-items:center;width:min(1180px,100% - 48px);min-height:84px;margin:auto;display:grid;position:relative}.wordmark{color:var(--primary);letter-spacing:-.04em;justify-self:start;font-family:Fraunces,Georgia,serif;font-size:23px;font-weight:500}.wordmark span{background:var(--rose);border-radius:50%;width:7px;height:7px;margin-left:4px;display:inline-block}nav{color:var(--secondary);gap:30px;font-size:14px;display:flex}nav a:hover{color:var(--primary)}.header-cta{border:1px solid var(--border-strong);background:var(--surface);color:var(--primary);border-radius:999px;justify-self:end;padding:10px 17px;font-size:14px;font-weight:600}.hero{grid-template-columns:minmax(0,1.02fr) minmax(360px,.98fr);align-items:center;gap:clamp(45px,8vw,110px);width:min(1180px,100% - 48px);min-height:690px;margin:auto;padding:70px 0 90px;display:grid;position:relative}.hero:before{z-index:-1;background:var(--sage-surface);content:"";border-radius:0 0 0 50%;width:62vw;height:740px;position:absolute;top:-84px;right:-20vw}.eyebrow{color:var(--primary);letter-spacing:.025em;margin:0 0 14px;font-size:13px;font-weight:600}h1{letter-spacing:-.045em;font-family:Fraunces,Georgia,serif;font-weight:500}h2,h3{letter-spacing:-.035em;font-family:Figtree,ui-sans-serif,system-ui,sans-serif;font-weight:600}h1{max-width:720px;margin:0;font-size:clamp(56px,7.2vw,88px);line-height:.96}.hero-lede{max-width:620px;color:var(--secondary);margin:32px 0 0;font-size:clamp(18px,2vw,22px);line-height:1.52}.hero-actions{align-items:center;gap:20px;margin-top:34px;display:flex}.hero-actions span{color:var(--muted);font-size:13px}.primary-button{background:var(--primary);min-height:54px;color:var(--on-primary);border-radius:999px;justify-content:center;align-items:center;padding:0 24px;font-size:15px;font-weight:600;transition:transform .16s,background .16s;display:inline-flex}.primary-button:hover{background:var(--primary-pressed);transform:translateY(-1px)}.primary-button:focus-visible{outline:3px solid var(--rose);outline-offset:3px}.header-cta:focus-visible{outline:3px solid var(--rose);outline-offset:3px}nav a:focus-visible{outline:3px solid var(--rose);outline-offset:3px}.fact-list{flex-wrap:wrap;gap:8px;margin:28px 0 0;padding:0;list-style:none;display:flex}.fact-list li{border:1px solid var(--border);background:var(--surface);color:var(--secondary);border-radius:999px;padding:8px 11px;font-size:12px}.hero-visual{place-items:center;min-height:530px;display:grid;position:relative}.phone-shell{border:9px solid var(--surface);background:var(--surface);border-radius:44px;width:min(360px,88vw);overflow:hidden;transform:rotate(2.5deg);box-shadow:0 26px 65px #4a3a2c2b}.phone-top{height:44px;color:var(--muted);justify-content:space-between;align-items:center;padding:0 17px;font-size:11px;font-weight:600;display:flex}.phone-top i{background:var(--text);border-radius:999px;width:54px;height:17px}.baby-card{background:#fff;height:380px;position:relative;overflow:hidden}.large-ring{border:44px solid #101010;border-radius:50%;width:260px;height:260px;position:absolute;top:62px;left:-58px}.small-ring{background:var(--rose);border:25px solid #101010;border-radius:50%;width:94px;height:94px;position:absolute;top:124px;right:36px;box-shadow:0 0 0 18px #fff}.session-caption{flex-direction:column;gap:4px;padding:18px 18px 20px;display:flex}.session-caption strong{letter-spacing:-.02em;font-size:21px;font-weight:600}.session-caption span{color:var(--muted);font-size:12px}.floating-note{border:1px solid var(--border);background:var(--surface);color:var(--primary);border-radius:16px;padding:12px 15px;font-size:13px;font-weight:600;position:absolute;box-shadow:0 10px 26px #4a3a2c1a}.note-one{top:92px;left:0;transform:rotate(-4deg)}.note-two{bottom:78px;right:-5px;transform:rotate(4deg)}.intro-section{border:1px solid var(--border);background:var(--surface);border-radius:28px;grid-template-columns:.9fr 1.1fr;gap:clamp(40px,10vw,140px);width:min(1180px,100% - 48px);margin:0 auto 90px;padding:clamp(32px,6vw,66px);display:grid}.intro-section h2{max-width:480px;margin:0;font-size:clamp(42px,6vw,72px);line-height:1}.intro-section>p{color:var(--secondary);align-self:center;margin:0;font-size:18px;line-height:1.65}.changing-section{grid-template-columns:.88fr 1.12fr;align-items:center;gap:clamp(45px,9vw,125px);width:min(1180px,100% - 48px);margin:0 auto;padding:80px 0 110px;display:grid}.changing-section h2,.section-heading h2,.sets-copy h2,.responsibility-section h2,.closing-section h2{margin:0;font-size:clamp(38px,5.2vw,64px);line-height:1.02}.changing-section>div:last-child>p:not(.eyebrow),.sets-copy>p:not(.eyebrow),.responsibility-section>div:last-child>p{color:var(--secondary);margin:22px 0 0;font-size:17px;line-height:1.65}.changing-section ul{flex-wrap:wrap;gap:8px;margin:24px 0 0;padding:0;list-style:none;display:flex}.changing-section li{border-left:2px solid var(--rose);color:var(--primary);padding:2px 12px;font-size:13px;font-weight:600}.changing-photo{margin:0}.changing-photo img{object-fit:cover;width:100%;min-height:390px;display:block}.difference-section{border-top:1px solid var(--border-strong);width:min(1180px,100% - 48px);margin:0 auto;padding:100px 0}.section-heading{max-width:720px}.section-heading>p:last-child{color:var(--secondary);margin:16px 0 0;font-size:18px}.section-heading.compact{max-width:790px}.difference-grid{grid-template-columns:repeat(3,1fr);gap:34px;margin-top:64px;display:grid}.difference-grid article{border-top:3px solid var(--primary);padding-top:18px}.difference-grid h3{margin:4px 0 12px;font-size:24px;line-height:1.15}.difference-grid p{color:var(--secondary);margin:0;line-height:1.6}.sets-section{background:var(--plum-surface);grid-template-columns:.95fr 1.05fr;gap:clamp(42px,9vw,120px);width:min(1180px,100% - 48px);margin:0 auto;padding:100px clamp(24px,6vw,78px);display:grid}.set-list{margin:0;padding:0;list-style:none}.set-list li{border-top:1px solid #d6bbc9;grid-template-columns:112px 1fr;gap:18px;padding:22px 0;display:grid}.set-list li:last-child{border-bottom:1px solid #d6bbc9}.set-list>li>span{color:var(--primary);font-size:13px;font-weight:600}.set-list strong{font-size:21px;font-weight:600}.set-list p{color:var(--secondary);margin:5px 0 0;line-height:1.5}.responsibility-section{grid-template-columns:.65fr 1.35fr;align-items:center;gap:clamp(45px,10vw,150px);width:min(1000px,100% - 48px);margin:0 auto;padding:130px 0;display:grid}.responsibility-mark{aspect-ratio:1;border:30px solid var(--text);color:var(--primary);border-radius:50%;place-items:center;font-size:27px;font-weight:600;display:grid}.responsibility-section a{border-bottom:1px solid var(--primary);color:var(--primary);margin-top:24px;padding-bottom:3px;font-size:14px;font-weight:600;display:inline-block}.faq-section{border-top:1px solid var(--border-strong);width:min(1000px,100% - 48px);margin:0 auto;padding:100px 0 120px}.faq-list{border-bottom:1px solid var(--border-strong);margin-top:56px}.faq-list details{border-top:1px solid var(--border-strong)}.faq-list summary{cursor:pointer;justify-content:space-between;gap:24px;padding:23px 0;font-size:18px;font-weight:600;list-style:none;display:flex}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{color:var(--rose);font-size:24px;font-weight:400}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list details p{max-width:760px;color:var(--secondary);margin:-5px 0 24px;line-height:1.65}.closing-section{background:var(--sage-surface);text-align:center;width:min(1180px,100% - 48px);margin:0 auto;padding:clamp(48px,8vw,90px)}.closing-section h2{max-width:880px;margin-left:auto;margin-right:auto}.closing-section>p:last-child{color:var(--secondary);margin:24px 0 0}.research-invite{border-top:1px solid var(--border-strong);grid-template-columns:.9fr 1.1fr;gap:clamp(45px,10vw,135px);width:min(1180px,100% - 48px);margin:0 auto 100px;padding:90px 0 0;display:grid}.research-invite h2{max-width:530px;margin:0;font-size:clamp(38px,5vw,62px);line-height:1.02}.research-invite>div:last-child{align-self:center}.research-invite>div:last-child p{color:var(--secondary);margin:0;font-size:17px;line-height:1.65}.research-invite a{border-bottom:1px solid var(--primary);color:var(--primary);margin-top:24px;padding-bottom:4px;font-size:14px;font-weight:600;display:inline-block}.resource-page{width:min(1180px,100% - 48px);margin:0 auto;padding-bottom:50px}.resource-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;min-height:84px;display:flex}.resource-header nav{display:flex}.resource-hero{max-width:920px;padding:100px 0 86px}.resource-hero h1{max-width:900px;font-size:clamp(58px,8vw,100px)}.resource-hero>p:not(.eyebrow){max-width:760px;color:var(--secondary);margin:30px 0 0;font-size:19px;line-height:1.65}.evidence-key{color:var(--secondary);flex-wrap:wrap;gap:18px;margin-top:34px;font-size:12px;font-weight:600;display:flex}.evidence-key span{align-items:center;gap:7px;display:flex}.evidence-key i{border-radius:50%;width:10px;height:10px}.key-study{background:var(--primary)}.key-review{background:var(--rose)}.key-guidance{background:#7c906e}.topic-grid{border-top:1px solid var(--border-strong);border-left:1px solid var(--border-strong);grid-template-columns:repeat(2,1fr);display:grid}.topic-grid>a{border-right:1px solid var(--border-strong);border-bottom:1px solid var(--border-strong);min-height:380px;padding:clamp(27px,4vw,46px);transition:box-shadow .16s,transform .16s}.topic-grid>a:nth-child(2),.topic-grid>a:nth-child(6){background:var(--plum-surface)}.topic-grid>a:nth-child(3),.topic-grid>a:nth-child(7){background:var(--ochre-surface)}.topic-grid>a:nth-child(4){background:var(--sage-surface)}.topic-grid>a:hover{z-index:1;position:relative;transform:translateY(-3px);box-shadow:0 18px 44px #4a3a2c1f}.topic-grid>a:focus-visible{z-index:1;outline:3px solid var(--rose);outline-offset:-5px;position:relative}.topic-art{aspect-ratio:4/3;background:var(--surface);place-items:center;display:grid;overflow:hidden}.topic-art svg{width:100%;height:100%;display:block}.topic-art img{object-fit:cover;width:100%;height:100%;display:block}.topic-art.art-make-high-contrast-cards img,.topic-art.art-tummy-time-contrast-cards img{object-fit:contain;background:#fff;padding:12px}.topic-art.compact{width:150px;margin:27px 0 22px}.art-high-contrast-newborns{background:var(--surface)}.art-infant-color-vision{background:#f1dfd1}.art-visual-tracking{background:var(--ochre-surface)}.art-newborn-vision-distance{background:#ede7de}.art-contrast-cards-by-age{background:var(--sage-surface)}.art-how-to-use-contrast-cards{background:var(--plum-surface)}.distance-visual,.age-visual,.card-use-visual{width:100%;height:100%;position:relative}.distance-visual>span:first-child{aspect-ratio:1;border:14px solid var(--text);border-radius:50%;width:25%;position:absolute;top:26%;left:15%}.distance-visual>span:nth-child(2){aspect-ratio:1;background:var(--rose);border-radius:50%;width:16%;position:absolute;top:37%;right:14%}.distance-visual>i{background:var(--primary);height:3px;position:absolute;bottom:29%;left:42%;right:31%}.distance-visual>i:before,.distance-visual>i:after{background:var(--primary);content:"";width:3px;height:13px;position:absolute;top:-5px}.distance-visual>i:before{left:0}.distance-visual>i:after{right:0}.age-visual{justify-content:center;align-items:center;gap:9%;padding:15%;display:flex}.age-visual>span{background:var(--text);border-radius:50%;display:block}.age-visual>span:first-child{aspect-ratio:1;width:34%}.age-visual>span:nth-child(2){aspect-ratio:1;border:10px solid var(--text);background:var(--surface);width:25%}.age-visual>span:nth-child(3){aspect-ratio:1;background:var(--rose);width:17%}.card-use-visual>span:first-child{border:10px solid var(--text);background:var(--surface);border-radius:6px;width:51%;height:68%;position:absolute;top:16%;left:24%;transform:rotate(-4deg)}.card-use-visual>span:first-child:after{aspect-ratio:1;background:var(--text);content:"";border-radius:50%;width:50%;position:absolute;top:28%;left:25%}.card-use-visual>span:nth-child(2){aspect-ratio:1;background:var(--rose);border-radius:50%;width:19%;position:absolute;bottom:18%;right:16%}.topic-label{color:var(--primary);margin:0 0 10px;font-size:12px;font-weight:600}.topic-grid h2{max-width:440px;margin:0;font-size:clamp(27px,3.3vw,40px);line-height:1.08}.topic-grid>a>p:not(.topic-label){max-width:470px;color:var(--secondary);margin:18px 0 0;line-height:1.6}.source-count{color:var(--muted);margin-top:30px;font-size:12px;display:block}.reading-rules{grid-template-columns:.8fr 1.2fr;gap:clamp(45px,10vw,140px);padding:120px 0;display:grid}.reading-rules h2{max-width:430px;margin:0;font-size:clamp(38px,5vw,62px);line-height:1.02}.reading-rules ol{margin:0;padding:0;list-style:none}.reading-rules li{border-top:1px solid var(--border-strong);grid-template-columns:1fr 1.55fr;gap:25px;padding:22px 0;display:grid}.reading-rules li span{color:var(--secondary);line-height:1.55}.review-note{background:var(--surface);border:1px solid var(--border);grid-template-columns:.45fr 1.55fr;gap:35px;padding:28px;display:grid}.review-note strong{color:var(--primary)}.review-note p{color:var(--secondary);margin:0;line-height:1.6}.resource-footer{border-top:1px solid var(--border);color:var(--muted);justify-content:space-between;gap:30px;margin-top:70px;padding-top:25px;font-size:12px;display:flex}.parent-library .resource-hero{max-width:none;padding:48px 0 38px}.parent-library .resource-hero h1{max-width:860px;font-size:clamp(2.6rem,5.6vw,4.6rem);line-height:1.04}.parent-library .resource-hero>p:not(.eyebrow){max-width:620px;margin-top:20px;font-size:1.125rem;line-height:1.55}.library-jumps{flex-wrap:wrap;justify-content:flex-start;gap:8px 24px;margin-top:24px;display:flex}.library-jumps a{color:var(--primary);text-underline-offset:5px;padding:10px 0;font-size:1rem;text-decoration:underline}.library-section{border-top:1px solid var(--border-strong);padding:30px 0 36px;scroll-margin-top:24px}.library-section-heading{margin-bottom:24px}.library-section-heading h2{margin:0;font-size:clamp(1.8rem,3.5vw,2.75rem);line-height:1.12}.library-section-heading p{max-width:640px;color:var(--secondary);margin:12px 0 0;font-size:1rem;line-height:1.55}.library-packs{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.library-pack{background:var(--sage-surface);border:1px solid var(--border);min-width:0;padding:clamp(20px,3vw,32px);display:block}.library-pack:nth-child(2){background:var(--plum-surface)}.library-pack-art{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:24px;display:grid}.library-pack-art img{aspect-ratio:1;object-fit:contain;background:#fff;width:100%;height:auto;padding:6px;display:block}.library-pack h3{margin:0;font-size:1.8rem;line-height:1.15}.library-pack p{max-width:35ch;color:var(--secondary);margin:12px 0 0;font-size:1rem;line-height:1.55}.library-link-label{color:var(--primary);margin-top:18px;font-size:.9375rem;font-weight:600;line-height:1.4;display:block}.library-pack:hover .library-link-label,.library-guide:hover h3{text-underline-offset:4px;text-decoration:underline}.library-pack-help{color:var(--secondary);margin:20px 0 0;font-size:1rem;line-height:1.6}.library-pack-help a,.library-editorial a{color:var(--primary);text-underline-offset:4px;text-decoration:underline}.library-guides{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:40px;display:grid}.library-guide{border-top:1px solid var(--border);grid-template-columns:112px minmax(0,1fr);align-items:start;gap:22px;padding:24px 0;display:grid}.library-guide>.topic-art.compact{width:112px;margin:0}.library-guide h3{margin:0;font-family:Fraunces,Georgia,serif;font-size:1.375rem;font-weight:500;line-height:1.2}.library-guide p{color:var(--secondary);margin:10px 0 0;font-size:1rem;line-height:1.5}.library-guide .library-link-label{margin-top:12px}.library-editorial{border-top:1px solid var(--border-strong);padding:24px 0;font-size:1rem;line-height:1.6}.library-editorial summary{cursor:pointer;width:fit-content;color:var(--primary);font-size:1.125rem;font-weight:600}.library-editorial p{max-width:65ch;color:var(--secondary);margin:18px 0}.library-jumps a:focus-visible{outline:3px solid var(--primary);outline-offset:5px}.library-pack:focus-visible{outline:3px solid var(--primary);outline-offset:5px}.library-guide:focus-visible{outline:3px solid var(--primary);outline-offset:5px}.library-pack-help a:focus-visible{outline:3px solid var(--primary);outline-offset:5px}.library-editorial summary:focus-visible{outline:3px solid var(--primary);outline-offset:5px}.library-editorial a:focus-visible{outline:3px solid var(--primary);outline-offset:5px}.parent-library .resource-footer{margin-top:28px}@media (max-width:860px){.library-guides{grid-template-columns:1fr}}@media (max-width:600px){.library-packs{grid-template-columns:1fr}.library-jumps{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 16px;display:grid}.library-guide{grid-template-columns:76px minmax(0,1fr);gap:16px}.library-guide>.topic-art.compact{width:76px}.parent-library .resource-hero{padding-top:32px}}.article-page{width:min(1180px,100% - 48px);margin:0 auto;padding-bottom:50px}.article-hero{padding:74px 0 80px}.article-hero .back-link{color:var(--secondary);margin-bottom:65px;font-size:13px;display:inline-block}.article-hero-main{grid-template-columns:minmax(0,1fr) 260px;align-items:end;gap:clamp(42px,7vw,90px);display:grid}.article-hero-main.article-hero-text{grid-template-columns:1fr}.article-hero h1{max-width:960px;font-size:clamp(54px,7.8vw,96px);line-height:.97}.article-dek{max-width:760px;color:var(--secondary);margin:28px 0 0;font-size:19px;line-height:1.65}.article-meta{flex-wrap:wrap;gap:8px;margin-top:30px;display:flex}.article-meta span{border:1px solid var(--border-strong);background:var(--surface);color:var(--secondary);border-radius:999px;padding:7px 10px;font-size:11px;font-weight:600}.quick-answer{border-top:3px solid var(--primary);border-bottom:1px solid var(--border-strong);grid-template-columns:.42fr 1.58fr;gap:45px;padding:36px 0 44px;display:grid}.section-kicker{color:var(--primary);letter-spacing:.025em;margin:0;font-size:12px;font-weight:600}.quick-answer h2{max-width:850px;margin:0;font-family:Fraunces,Georgia,serif;font-size:clamp(29px,4vw,46px);font-weight:500;line-height:1.16}.quick-answer h2>span{display:block}.quick-answer h2>span+span{margin-top:.48em}.article-photo{width:min(1020px,100%);margin:72px auto 0}.article-photo img{aspect-ratio:16/8.5;object-fit:cover;object-position:50% 40%;width:100%;display:block}.article-photo figcaption{max-width:760px;color:var(--secondary);margin:14px 0 0;font-size:14px;line-height:1.55}.article-photo-high-contrast-newborn img{object-position:50% 47%}.article-photo-infant-color-vision img,.article-photo-visual-tracking img{object-position:50% 29%}.article-photo-newborn-vision-distance img{object-position:50% 43%}.article-photo-tummy-time-contrast-cards img{object-position:50% 64%}.article-inline-photo{margin:10px -42px 72px}.article-inline-photo img{aspect-ratio:16/9;object-fit:cover;object-position:50% 46%;width:100%;display:block}.distance-explainer{background:var(--sage-surface);grid-template-columns:.82fr 1.18fr;gap:clamp(28px,6vw,78px);width:min(1020px,100%);margin:32px auto 72px;padding:clamp(28px,5vw,56px);display:grid}.distance-explainer-copy h2{max-width:470px;margin:12px 0 0;font-size:clamp(31px,4vw,48px);line-height:1.04}.distance-explainer-copy>p:last-child{max-width:480px;color:var(--secondary);margin:22px 0 0;font-size:16px;line-height:1.65}.feeding-distance{background:var(--surface);flex-direction:column;justify-content:center;align-items:stretch;min-height:270px;padding:38px clamp(28px,5vw,58px);display:flex}.distance-number{color:var(--text);align-items:baseline;gap:13px;display:flex}.distance-number strong{letter-spacing:-.06em;font-family:Fraunces,Georgia,serif;font-size:clamp(72px,10vw,116px);font-weight:500;line-height:.82}.distance-number span{color:var(--primary);font-size:16px;font-weight:700}.distance-rule{background:var(--primary);width:100%;height:3px;margin-top:34px;position:relative}.distance-rule:before,.distance-rule:after{background:var(--primary);content:"";width:2px;height:12px;position:absolute;top:-5px}.distance-rule:before{left:0}.distance-rule:after{right:0}.distance-rule i{background:var(--primary);width:2px;height:9px;position:absolute;top:-3px}.distance-rule i:first-child{left:25%}.distance-rule i:nth-child(2){left:50%}.distance-rule i:last-child{left:75%}.feeding-distance>p{color:var(--secondary);margin:14px 0 0;font-size:13px}.article-body{width:min(920px,100%);margin:0 auto;padding:80px 0 105px}.article-body>section{border-top:1px solid var(--border-strong);grid-template-columns:.45fr 1.55fr;gap:40px;padding:42px 0 54px;display:grid}.article-body h2{margin:0;font-size:clamp(28px,3vw,38px);line-height:1.12}.article-body ul{grid-column:2;margin:-16px 0 0;padding:0;list-style:none}.article-prose{grid-column:2;margin-top:-9px}.article-prose p{color:var(--secondary);margin:0;font-size:18px;line-height:1.72}.article-prose p+p{margin-top:24px}.article-body li{border-top:1px solid var(--border);color:var(--secondary);padding:17px 0 17px 25px;font-size:17px;line-height:1.65;position:relative}.article-body li:before{background:var(--rose);content:"";border-radius:50%;width:7px;height:7px;position:absolute;top:27px;left:1px}.article-body .parent-panel,.article-body .limits-panel{border:0;margin:18px -42px;padding:42px}.article-body .parent-panel{background:var(--sage-surface)}.article-body .limits-panel{background:var(--ochre-surface)}.article-body .parent-panel li,.article-body .limits-panel li{color:var(--text);border-color:#50413224}.parent-panel-high-contrast-newborns li{grid-template-columns:54px minmax(0,1fr);align-items:center;gap:18px;min-height:82px;padding-left:0;display:grid}.parent-panel-high-contrast-newborns li:before{background:var(--primary);content:"";border-radius:50%;width:38px;height:38px;margin-left:3px;display:block;position:static}.parent-panel-high-contrast-newborns li:nth-child(2):before{border:9px solid var(--primary);background:var(--surface)}.parent-panel-high-contrast-newborns li:nth-child(3):before{background:var(--rose);border-radius:5px}.parent-panel-high-contrast-newborns li:nth-child(4):before{background:var(--primary);width:20px;height:42px;box-shadow:15px 0 0 var(--primary);border-radius:999px;margin-left:12px}.article-body .limits-panel .article-prose p{color:var(--text)}.parent-feature .article-body{width:min(820px,100%)}.parent-feature .article-body>section{padding:58px 0 68px;display:block}.parent-feature .article-body>section>.section-kicker{margin-bottom:13px}.parent-feature .article-body h2{max-width:710px;font-size:clamp(34px,4.5vw,51px);line-height:1.06}.parent-feature .article-prose{max-width:720px;margin-top:30px}.parent-feature .article-prose p{font-size:19px;line-height:1.75}.parent-feature .article-body .parent-panel,.parent-feature .article-body .limits-panel{margin-left:-48px;margin-right:-48px;padding:48px}.parent-feature .parent-panel ul{margin-top:30px}.parent-feature .parent-panel li{padding-top:20px;padding-bottom:20px;font-size:18px}.study-snapshot{border:1px solid var(--border-strong);background:var(--surface);grid-template-columns:.95fr 1.05fr;gap:clamp(28px,5vw,60px);margin:18px -42px 72px;padding:42px;display:grid}.study-snapshot-heading h2{margin:12px 0 0;font-size:clamp(30px,3.8vw,45px);line-height:1.05}.study-snapshot-heading>p:last-child{color:var(--secondary);margin:20px 0 0;line-height:1.6}.study-distance-options{grid-template-columns:1fr 1fr;gap:12px;display:grid}.study-distance-options>div{background:var(--ochre-surface);text-align:center;place-items:center;min-height:205px;padding:20px 12px;display:grid}.study-distance-options strong{margin-top:18px;font-size:13px}.study-position{border:3px solid var(--text);border-radius:50%;place-items:center;width:92px;height:92px;font-family:Fraunces,Georgia,serif;font-size:30px;line-height:1;display:grid}.study-position-far{width:70px;height:70px;color:var(--primary);border-color:var(--primary);font-size:23px}.study-result{border-top:2px solid var(--primary);color:var(--secondary);grid-column:1/-1;margin:0;padding-top:22px;font-size:17px;line-height:1.6}.study-result strong{color:var(--text)}.study-caption{color:var(--muted);grid-column:1/-1;margin:-4px 0 0;font-size:11px;line-height:1.5}.notice-factors{border-top:3px solid var(--primary);border-bottom:1px solid var(--border-strong);margin:12px -42px 64px;padding:36px 0 42px}.notice-factors>div:first-child{grid-template-columns:.42fr 1.58fr;align-items:start;gap:36px;display:grid}.notice-factors h2{margin:0;font-size:clamp(33px,4vw,47px)}.notice-factor-list{grid-template-columns:repeat(4,1fr);gap:8px;margin-top:32px;display:grid}.notice-factor-list span{background:var(--sage-surface);min-height:115px;color:var(--secondary);padding:18px;font-size:14px;line-height:1.35}.notice-factor-list span:nth-child(2){background:var(--ochre-surface)}.notice-factor-list span:nth-child(3){background:var(--plum-surface)}.notice-factor-list span:nth-child(4){background:var(--surface);border:1px solid var(--border)}.notice-factor-list strong{color:var(--text);margin-bottom:6px;font-family:Fraunces,Georgia,serif;font-size:24px;font-weight:500;display:block}.contrast-explainer,.pattern-gallery{background:var(--sage-surface);grid-template-columns:.9fr 1.1fr;gap:clamp(30px,6vw,76px);width:min(1020px,100%);margin:32px auto 72px;padding:clamp(30px,5vw,56px);display:grid}.contrast-explainer h2,.pattern-gallery h2,.attention-factors h2,.pattern-parts h2{max-width:560px;margin:12px 0 0;font-size:clamp(32px,4.2vw,49px);line-height:1.04}.contrast-explainer>div:first-child>p:last-child,.pattern-gallery>div:first-child>p:last-child{max-width:530px;color:var(--secondary);margin:22px 0 0;line-height:1.65}.contrast-comparison{background:var(--surface);grid-template-columns:1fr 1fr;place-items:center;min-height:290px;display:grid}.contrast-comparison span{aspect-ratio:1;border-radius:50%;width:min(100px,55%);display:block}.contrast-faint{border:10px solid #241f1b29}.contrast-bold{border:18px solid var(--text)}.looking-study{border:1px solid var(--border-strong);background:var(--surface);grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,60px);margin:18px -42px 72px;padding:42px;display:grid}.looking-study h2{margin:12px 0 0;font-size:clamp(30px,3.8vw,45px);line-height:1.05}.looking-study>div:first-child>p:last-child{color:var(--secondary);margin:20px 0 0;line-height:1.6}.looking-targets{grid-template-columns:1fr 1fr;gap:12px;display:grid}.looking-targets>div{background:var(--ochre-surface);place-items:center;min-height:220px;padding:24px 12px;display:grid}.looking-targets strong{margin-top:17px;font-size:13px}.looking-targets span{aspect-ratio:1;border-radius:50%;width:94px;display:block}.plain-target{background:#d5cec5}.pattern-target{border:18px solid var(--text);background:var(--surface)}.looking-study .study-result{grid-column:1/-1}.attention-factors,.pattern-parts{border-top:3px solid var(--primary);border-bottom:1px solid var(--border-strong);width:min(1020px,100%);margin:32px auto 72px;padding:36px 0 42px}.attention-factors>div:first-child,.pattern-parts>div:first-child{grid-template-columns:.42fr 1.58fr;align-items:start;gap:36px;display:grid}.attention-factor-list,.pattern-part-list{grid-template-columns:repeat(4,1fr);gap:8px;margin-top:32px;display:grid}.attention-factor-list span,.pattern-part-list span{background:var(--sage-surface);min-height:145px;color:var(--secondary);padding:20px 18px;font-size:14px;line-height:1.5}.attention-factor-list span:nth-child(2),.pattern-part-list span:nth-child(2){background:var(--ochre-surface)}.attention-factor-list span:nth-child(3),.pattern-part-list span:nth-child(3){background:var(--plum-surface)}.attention-factor-list span:nth-child(4),.pattern-part-list span:nth-child(4){border:1px solid var(--border);background:var(--surface)}.attention-factor-list strong,.pattern-part-list strong{color:var(--text);margin-bottom:8px;font-family:Fraunces,Georgia,serif;font-size:23px;font-weight:500;display:block}.attention-check{background:var(--plum-surface);margin:12px -42px 64px;padding:46px}.attention-check h2{max-width:660px;margin:12px 0 0;font-size:clamp(33px,4vw,49px);line-height:1.05}.attention-check>p:last-child{max-width:650px;color:var(--secondary);margin:24px 0 0;font-size:17px;line-height:1.65}.glance-line{width:min(560px,100%);height:70px;margin-top:24px;position:relative}.glance-line:before{background:var(--border-strong);content:"";height:2px;position:absolute;top:34px;left:24px;right:24px}.glance-line span{z-index:1;background:var(--primary);border-radius:50%;width:30px;height:30px;position:absolute;top:20px}.glance-line span:first-child{left:12px}.glance-line span:last-child{background:var(--rose);right:12px}.glance-line i{z-index:1;border:4px solid var(--primary);background:var(--plum-surface);border-radius:50%;width:20px;height:20px;position:absolute;top:25px;left:46%}.pattern-gallery{background:var(--ochre-surface)}.pattern-cards{grid-template-columns:repeat(3,1fr);align-items:center;gap:10px;display:grid}.pattern-cards>span{aspect-ratio:3/4;background:var(--surface);display:block;position:relative;overflow:hidden}.wide-stripes{background:repeating-linear-gradient(90deg, var(--text) 0 22%, var(--surface) 22% 44%)!important}.single-shape:after{aspect-ratio:1;background:var(--text);content:"";border-radius:50%;width:68%;position:absolute;top:27%;left:16%}.simple-target:before,.simple-target:after{content:"";border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.simple-target:before{aspect-ratio:1;background:var(--text);width:72%}.simple-target:after{aspect-ratio:1;background:var(--surface);width:34%}.color-timeline{background:var(--plum-surface);grid-template-columns:.72fr 1.28fr;gap:clamp(30px,6vw,76px);width:min(1020px,100%);margin:32px auto 72px;padding:clamp(30px,5vw,56px);display:grid}.color-timeline h2,.color-factors h2{max-width:540px;margin:12px 0 0;font-size:clamp(32px,4.2vw,49px);line-height:1.04}.color-timeline>div:first-child>p:last-child{color:var(--secondary);margin:22px 0 0;line-height:1.65}.color-timeline-cards{grid-template-columns:repeat(3,1fr);gap:9px;display:grid}.color-timeline-cards>div{background:var(--surface);min-height:265px;padding:18px}.color-timeline-cards strong{margin-top:22px;font-family:Fraunces,Georgia,serif;font-size:20px;font-weight:500;line-height:1.1;display:block}.color-timeline-cards p{color:var(--secondary);margin:10px 0 0;font-size:13px;line-height:1.45}.color-stage{background:var(--background);height:104px;display:block;position:relative;overflow:hidden}.stage-birth{background:linear-gradient(90deg, var(--text) 0 50%, var(--surface) 50%)}.stage-birth:after{border:5px solid var(--surface);content:"";background:#b5484d;border-radius:50%;width:34px;height:34px;position:absolute;top:35px;left:calc(50% - 17px)}.stage-one-two{background:linear-gradient(90deg,#b5484d 0 50%,#718a66 50%)}.stage-three-six{background:linear-gradient(90deg,#b5484d 0 33.33%,#486f88 33.33% 66.66%,#d6a946 66.66%)}.color-study{border:1px solid var(--border-strong);background:var(--surface);grid-template-columns:.88fr 1.12fr;gap:clamp(28px,5vw,60px);margin:18px -42px 72px;padding:42px;display:grid}.color-study h2{margin:12px 0 0;font-size:clamp(30px,3.8vw,45px);line-height:1.05}.color-study>div:first-child>p:last-child{color:var(--secondary);margin:20px 0 0;line-height:1.6}.color-study-patches{grid-template-columns:1fr 1fr;gap:12px;display:grid}.color-study-patches>div{background:var(--ochre-surface);place-items:center;min-height:210px;padding:22px 12px;display:grid}.color-study-patches span{aspect-ratio:1;border-radius:50%;width:88px;display:block}.red-patch{background:#b5484d}.gray-patch{background:#918b86}.color-study-patches strong{margin-top:18px;font-size:13px}.color-study .study-result{grid-column:1/-1}.color-factors{border-top:3px solid var(--primary);border-bottom:1px solid var(--border-strong);margin:12px -42px 64px;padding:36px 0 42px}.color-factors>div:first-child{grid-template-columns:.42fr 1.58fr;align-items:start;gap:36px;display:grid}.color-factor-list{grid-template-columns:repeat(4,1fr);gap:8px;margin-top:32px;display:grid}.color-factor-list span{background:var(--sage-surface);min-height:155px;color:var(--secondary);padding:18px;font-size:13px;line-height:1.45}.color-factor-list span:nth-child(2){background:var(--ochre-surface)}.color-factor-list span:nth-child(3){background:var(--plum-surface)}.color-factor-list span:nth-child(4){border:1px solid var(--border);background:var(--surface)}.color-factor-list i{border-radius:50%;width:42px;height:42px;margin-bottom:20px;display:block}.factor-hue{background:linear-gradient(135deg,#b5484d 0 50%,#486f88 50%)}.factor-brightness{background:linear-gradient(135deg, var(--text) 0 50%, var(--surface) 50%);border:1px solid var(--border)}.factor-size{background:var(--primary);border-radius:2px!important;width:52px!important;height:32px!important}.factor-age{border:8px solid var(--rose);background:var(--surface)}.color-factor-list strong{color:var(--text);margin-bottom:6px;font-family:Fraunces,Georgia,serif;font-size:22px;font-weight:500;display:block}.age-card-timeline,.card-routine{grid-template-columns:.72fr 1.28fr;gap:clamp(30px,6vw,76px);width:min(1020px,100%);margin:32px auto 72px;padding:clamp(30px,5vw,56px);display:grid}.age-card-timeline{background:var(--ochre-surface)}.card-routine{background:var(--sage-surface)}.age-card-timeline h2,.card-routine h2,.age-evidence h2,.card-setup h2{max-width:560px;margin:12px 0 0;font-size:clamp(32px,4.2vw,49px);line-height:1.04}.age-card-timeline>div:first-child>p:last-child{color:var(--secondary);margin:22px 0 0;line-height:1.65}.age-card-stages{grid-template-columns:repeat(3,1fr);gap:9px;display:grid}.age-card-stages>div{background:var(--surface);min-height:275px;padding:18px}.age-card-stages strong{margin-top:22px;font-family:Fraunces,Georgia,serif;font-size:20px;font-weight:500;line-height:1.1;display:block}.age-card-stages p{color:var(--secondary);margin:10px 0 0;font-size:13px;line-height:1.45}.age-card-stage{background:var(--background);height:110px;display:block;position:relative;overflow:hidden}.age-stage-zero-two{background:linear-gradient(90deg, var(--text) 0 48%, var(--surface) 48%)}.age-stage-zero-two:after{border:7px solid var(--surface);background:var(--text);content:"";border-radius:50%;width:42px;height:42px;position:absolute;top:34px;left:calc(48% - 21px)}.age-stage-two-four{background:var(--surface);border:1px solid var(--border)}.age-stage-two-four:before,.age-stage-two-four:after{content:"";border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.age-stage-two-four:before{border:17px solid var(--text);width:74px;height:74px}.age-stage-two-four:after{background:#b5484d;width:22px;height:22px}.age-stage-four-six{background:linear-gradient(90deg, var(--text) 0 33.33%, #b5484d 33.33% 66.66%, #486f88 66.66%)}.age-evidence,.card-setup{border-top:3px solid var(--primary);border-bottom:1px solid var(--border-strong);margin:12px -42px 64px;padding:36px 0 42px}.age-evidence>div:first-child,.card-setup>div:first-child{grid-template-columns:.42fr 1.58fr;align-items:start;gap:36px;display:grid}.age-evidence-list,.card-setup-list{grid-template-columns:repeat(4,1fr);gap:8px;margin-top:32px;display:grid}.age-evidence-list span,.card-setup-list span{background:var(--sage-surface);min-height:160px;color:var(--secondary);padding:18px;font-size:13px;line-height:1.45}.age-evidence-list span:nth-child(2),.card-setup-list span:nth-child(2){background:var(--ochre-surface)}.age-evidence-list span:nth-child(3),.card-setup-list span:nth-child(3){background:var(--plum-surface)}.age-evidence-list span:nth-child(4),.card-setup-list span:nth-child(4){border:1px solid var(--border);background:var(--surface)}.age-evidence-list i,.card-setup-list i{width:48px;height:48px;margin-bottom:20px;display:block;position:relative}.age-evidence-list strong,.card-setup-list strong{color:var(--text);margin-bottom:6px;font-family:Fraunces,Georgia,serif;font-size:21px;font-weight:500;display:block}.evidence-pattern{background:repeating-linear-gradient(90deg, var(--text) 0 10px, var(--surface) 10px 20px)}.evidence-contour{border:9px solid var(--primary);border-radius:50%}.evidence-color{background:linear-gradient(90deg,#b5484d 0 50%,#918b86 50%);border-radius:50%}.evidence-motion:before{background:var(--primary);content:"";width:48px;height:3px;position:absolute;top:22px;left:0}.evidence-motion:after{background:var(--rose);content:"";border-radius:50%;width:22px;height:22px;position:absolute;top:12px;right:0}.age-one-change{background:var(--plum-surface);grid-template-columns:190px 1fr;align-items:center;gap:clamp(28px,5vw,56px);margin:12px -42px 64px;padding:42px;display:grid}.one-change-mark{background:var(--primary);width:170px;height:170px;color:var(--surface);border-radius:50%;place-items:center;font-family:Fraunces,Georgia,serif;font-size:96px;line-height:1;display:grid}.age-one-change h2,.card-stop-signs h2{margin:12px 0 0;font-size:clamp(33px,4vw,49px);line-height:1.05}.age-one-change p:last-child,.card-stop-signs>div:first-child>p:last-child{max-width:650px;color:var(--secondary);margin:20px 0 0;font-size:17px;line-height:1.65}.card-routine{grid-template-columns:.7fr 1.3fr}.card-routine-steps{grid-template-columns:repeat(3,1fr);gap:9px;display:grid}.card-routine-steps>div{background:var(--surface);min-height:255px;padding:20px 18px}.card-routine-steps span{background:var(--primary);width:46px;height:46px;color:var(--surface);border-radius:50%;place-items:center;font-family:Fraunces,Georgia,serif;font-size:24px;display:grid}.card-routine-steps strong{margin-top:32px;font-family:Fraunces,Georgia,serif;font-size:22px;font-weight:500;display:block}.card-routine-steps p{color:var(--secondary);margin:10px 0 0;font-size:13px;line-height:1.5}.setup-awake{border:8px solid var(--rose);background:var(--surface);border-radius:50%}.setup-distance:before{background:var(--primary);content:"";width:48px;height:3px;position:absolute;top:22px;left:0}.setup-distance:after{background:var(--primary);width:3px;height:17px;box-shadow:-45px 0 0 var(--primary);content:"";position:absolute;top:15px;right:0}.setup-still{border:11px solid var(--text);border-radius:50%}.setup-together{background:var(--primary);box-shadow:25px 0 0 var(--rose);border-radius:50%}.card-stop-signs{background:var(--plum-surface);grid-template-columns:.9fr 1.1fr;gap:clamp(30px,6vw,70px);margin:12px -42px 64px;padding:42px;display:grid}.stop-sign-list{grid-template-columns:1fr 1fr;gap:9px;display:grid}.stop-sign-list span{background:var(--surface);min-height:128px;color:var(--secondary);flex-direction:column;justify-content:space-between;padding:16px;font-size:13px;line-height:1.35;display:flex}.stop-sign-list i{background:var(--primary);width:40px;height:40px;color:var(--surface);border-radius:50%;place-items:center;font-family:Georgia,serif;font-size:20px;font-style:normal;display:grid}.parent-panel-infant-color-vision li{grid-template-columns:54px minmax(0,1fr);align-items:center;gap:18px;min-height:82px;padding-left:0;display:grid}.parent-panel-infant-color-vision li:before{background:linear-gradient(90deg, var(--text) 0 50%, var(--surface) 50%);content:"";border-radius:50%;width:40px;height:40px;margin-left:2px;display:block;position:static}.parent-panel-infant-color-vision li:nth-child(2):before{box-shadow:inset 0 0 0 8px var(--surface);background:#b5484d}.parent-panel-infant-color-vision li:nth-child(3):before{background:var(--surface);border:8px solid #486f88}.article-app-note{border:1px solid var(--border-strong);background:var(--surface);grid-template-columns:104px minmax(0,1fr);gap:28px;margin:8px 0 40px;padding:clamp(22px,4vw,34px);display:grid}.app-note-art{flex-direction:column;align-self:start;gap:12px;display:flex}.app-note-art img{border:1px solid var(--border);background:#fff;width:100%;max-width:104px;height:auto;padding:8px;display:block}.app-note-brand{color:var(--primary);margin:0 0 10px;font-size:.875rem;font-weight:600}.article-body .article-app-note h2{max-width:600px;font-size:clamp(1.5rem,3vw,2rem);line-height:1.15}.app-note-copy{margin-top:18px}.app-note-copy p{color:var(--secondary);margin:0;font-size:1rem;line-height:1.65}.app-note-copy p+p{margin-top:14px}.app-note-action{flex-wrap:wrap;align-items:center;gap:12px 20px;margin-top:22px;display:flex}.app-note-action a{color:var(--primary);text-underline-offset:5px;padding:8px 0;font-size:1rem;font-weight:600;text-decoration:underline}.app-note-action a:hover{color:var(--text)}.app-note-action a:focus-visible{outline:3px solid var(--primary);outline-offset:4px}.app-note-action>span{color:var(--muted);font-size:.8125rem}.article-app-note .design-principle>p{font-size:.875rem}.design-principles{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px;display:grid}.design-principle{border:1px solid var(--border-strong);background:var(--surface);padding:12px 12px 18px}.principle-visual{background:var(--background);place-items:center;height:100px;margin-bottom:17px;display:grid;position:relative;overflow:hidden}.principle-visual span{display:block}.principle-subject .principle-visual span{background:var(--primary);border-radius:50%;width:46px;height:46px}.principle-path .principle-visual:before{background:var(--border-strong);content:"";width:72%;height:2px;position:absolute;left:14%}.principle-path .principle-visual span{background:var(--rose);border-radius:50%;width:34px;height:34px;position:relative;left:20%}.principle-pause .principle-visual:before{background:var(--primary);content:"";border-radius:50%;width:35px;height:35px;position:absolute;left:22%}.principle-pause .principle-visual span{background:var(--primary);width:8px;height:34px;box-shadow:16px 0 0 var(--primary);position:absolute;right:24%}.design-principle strong{font-size:15px;display:block}.design-principle>p{color:var(--secondary);margin:5px 0 0;font-size:13px;line-height:1.45}.related-reading{border-top:1px solid var(--border-strong);grid-template-columns:.62fr 1.38fr;gap:clamp(45px,9vw,120px);padding:68px 0 78px;display:grid}.related-reading h2{max-width:370px;margin:12px 0 0;font-size:clamp(31px,4vw,45px);line-height:1.07}.related-reading-list{grid-template-columns:1fr 1fr;gap:12px;display:grid}.related-reading-list a{border:1px solid var(--border-strong);background:var(--surface);padding:28px}.related-reading-list a:first-child{background:var(--sage-surface)}.related-reading-list h3{margin:0;font-family:Fraunces,Georgia,serif;font-size:25px;font-weight:500;line-height:1.12}.related-reading-list p{color:var(--secondary);margin:16px 0 0;font-size:14px;line-height:1.55}.related-reading-list strong{color:var(--primary);margin-top:24px;font-size:12px;display:inline-block}.care-prep,.tummy-placement,.diy-pattern-gallery{background:var(--sage-surface);width:min(1020px,100%);margin:40px auto 0;padding:clamp(24px,5vw,48px)}.care-prep h2,.tummy-placement h2,.diy-pattern-gallery h2,.printable-download h2{margin:12px 0 0;font-size:clamp(28px,4vw,44px);line-height:1.12}.care-prep .section-kicker,.tummy-placement .section-kicker,.diy-pattern-gallery .section-kicker,.printable-download .section-kicker{font-size:14px}.care-prep-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:32px 0 0;display:grid}.care-prep-list>div{border-top:2px solid var(--primary);padding-top:18px}.care-prep-list dt{font-size:20px;font-weight:600}.care-prep-list dd{color:var(--secondary);margin:10px 0 0;line-height:1.6}.care-prep-note{color:var(--secondary);margin:28px 0 0;font-size:14px}.tummy-placement{background:var(--plum-surface);grid-template-columns:1fr 1fr;gap:30px;display:grid}.tummy-placement>div>p:last-child{color:var(--secondary);line-height:1.65}.placement-example{background:var(--surface);grid-template-columns:1fr 1.1fr;align-content:center;align-items:center;gap:16px;padding:24px 20px;display:grid}.placement-example img{width:100%;height:auto;display:block}.placement-distance strong{color:var(--primary);font-size:20px}.placement-distance span{border-left:2px solid var(--primary);border-right:2px solid var(--primary);background:linear-gradient(var(--primary), var(--primary)) center / 100% 2px no-repeat;height:10px;margin:14px 0;display:block}.placement-distance p{margin:0;font-size:14px;line-height:1.5}.placement-example .placement-floor{border-top:2px solid var(--border-strong);grid-column:1/-1;margin:0;padding-top:12px;font-size:14px}.diy-pattern-gallery{background:var(--ochre-surface)}.diy-pattern-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:30px;display:grid}.diy-pattern-grid figure{margin:0}.diy-pattern-grid img{background:#fff;width:100%;height:auto;padding:12px;display:block}.diy-pattern-grid figcaption{margin-top:12px;font-size:15px;line-height:1.5}.print-jump{color:var(--primary);text-underline-offset:5px;margin-top:12px;padding:14px 0 4px;text-decoration:underline;display:inline-block}.printable-download{background:var(--plum-surface);margin:16px 0 52px;padding:clamp(24px,5vw,40px);scroll-margin-top:24px}.printable-download p:not(.section-kicker){color:var(--secondary);line-height:1.6}.printable-buttons{grid-template-columns:1fr 1fr;gap:14px;margin-top:24px;display:grid}.printable-buttons a{background:var(--primary);color:var(--surface);padding:20px;font-size:17px;font-weight:600;line-height:1.5;display:block}.printable-buttons a span{margin-top:7px;font-size:14px;font-weight:400;display:block}.printable-buttons a:hover{background:var(--text)}.printable-buttons a:focus-visible{outline:3px solid var(--text);outline-offset:4px}.print-jump:focus-visible{outline:3px solid var(--text);outline-offset:4px}.printable-download .printable-note{margin-top:22px;font-size:14px}.diy-pattern-gallery .printable-download{border-top:1px solid var(--border-strong);background:0 0;margin:30px 0 0;padding:24px 0 0}.printable-download h3{margin:0;font-family:Figtree,sans-serif;font-size:1.125rem;font-weight:600}.diy-pattern-gallery .printable-buttons{margin-top:16px}.diy-pattern-gallery .printable-note{margin-bottom:0}.animal-pack{background:var(--sage-surface)}.animal-pack .diy-pattern-grid img{aspect-ratio:1;object-fit:contain;padding:20px}.art-black-and-white-animal-cards img{object-fit:contain;width:100%;height:100%;max-height:240px;padding:20px}.comfort-check{margin:32px 0 8px}.comfort-check h2{margin:0 0 18px;font-size:1.5rem;line-height:1.2}.comfort-check-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0;display:grid}.comfort-check-grid>div{background:var(--ochre-surface);padding:22px}.comfort-check-grid>div:nth-child(2),.comfort-check-grid>div:nth-child(3){background:var(--sage-surface)}.comfort-check-grid dt{font-size:1.125rem;font-weight:600}.comfort-check-grid dd{color:var(--secondary);margin:8px 0 0;font-size:1rem;line-height:1.6}.tummy-setups{background:var(--sage-surface);margin:8px 0 0;padding:clamp(24px,5vw,44px);scroll-margin-top:24px}.tummy-setups h2{margin:0;font-size:clamp(1.625rem,3vw,2.25rem);line-height:1.15}.tummy-setups>p{max-width:680px;font-size:1.0625rem;line-height:1.65}.tummy-setup-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0;display:grid}.tummy-setup-grid>section{background:var(--surface);min-width:0;padding:clamp(20px,3vw,28px)}.tummy-setup-grid h3{margin:0 0 12px;font-size:1.375rem;font-weight:600}.tummy-setup-grid p{color:var(--secondary);margin:0;font-size:1rem;line-height:1.65}.tummy-setup-grid p+p{margin-top:12px}.tummy-setups .tummy-sleep-note{max-width:none;margin:0;font-size:1rem}.guidance-link{color:var(--primary);text-underline-offset:4px;margin-top:16px;font-size:.875rem;text-decoration:underline;display:inline-block}.guidance-link:focus-visible{outline:3px solid var(--primary);outline-offset:4px}.tummy-timing{background:var(--ochre-surface);margin:0 0 24px;padding:28px}.tummy-timing-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin:24px 0 18px;display:grid}.tummy-timing-grid>div{border-top:2px solid var(--primary);padding-top:16px}.tummy-timing h3{margin:0 0 8px;font-size:1rem;font-weight:600}.tummy-timing p{color:var(--secondary);margin:10px 0 0;font-size:1rem;line-height:1.6}.tummy-timing strong{color:var(--text)}.parent-questions{min-width:0;margin:0}.parent-questions details+details{border-top:1px solid var(--border-strong)}.parent-questions summary{cursor:pointer;padding:16px 0;font-size:1.0625rem;font-weight:600;line-height:1.5}.parent-questions summary::marker{color:var(--primary)}.parent-questions summary:focus-visible{outline:3px solid var(--primary);outline-offset:4px}.parent-questions details p{color:var(--secondary);margin:0 0 20px;font-size:1rem;line-height:1.65}.visual-guide .article-hero{padding:42px 0 32px}.visual-guide .article-hero .back-link{margin-bottom:32px;font-size:.875rem}.visual-guide .article-hero h1{max-width:900px;font-size:clamp(2.5rem,5.5vw,4rem);line-height:1.06}.visual-guide .article-dek{max-width:630px;margin-top:20px;font-size:1.125rem;line-height:1.6}.visual-guide .article-meta{margin-top:20px}.visual-guide .article-meta span{background:0 0;border:0;border-radius:0;padding:0;font-size:.8125rem;font-weight:400}.visual-guide .article-meta span+span:before{content:"·";margin-right:8px}.visual-guide .guide-photo-hero{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);align-items:center;gap:40px}.visual-guide .guide-photo-hero .article-photo{width:100%;margin:0}.visual-guide .guide-photo-hero img{aspect-ratio:1}.visual-guide>.care-prep,.visual-guide>.tummy-placement,.visual-guide>.diy-pattern-gallery{width:100%;margin-top:8px}.visual-guide .care-prep h2,.visual-guide .tummy-placement h2,.visual-guide .diy-pattern-gallery h2{margin-top:0;font-size:clamp(1.625rem,3vw,2.25rem)}.visual-guide .article-body{width:min(960px,100%);padding:32px 0 40px}.visual-guide .article-body>section{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:30px;padding:32px 0}.visual-guide .article-body h2{font-size:clamp(1.5rem,2.8vw,2rem);line-height:1.15}.visual-guide .article-prose{margin:0}.visual-guide .article-prose p{font-size:1.0625rem;line-height:1.65}.visual-guide .article-prose p+p{margin-top:18px}.visual-guide .article-body ul{margin:0}.visual-guide .article-body li{border:0;padding:0 0 16px 25px;font-size:1.0625rem;line-height:1.6}.visual-guide .article-body li:last-child{padding-bottom:0}.visual-guide .article-body li:before{width:auto;height:auto;color:var(--primary);content:"✓";background:0 0;border-radius:0;font-weight:600;top:1px;left:0}.visual-guide .article-body .parent-panel,.visual-guide .article-body .limits-panel{margin:0 0 24px;padding:28px}.visual-guide .article-body .parent-panel{background:var(--sage-surface)}.visual-guide .related-reading{gap:30px;padding:32px 0}.visual-guide .related-reading h2{font-size:2rem}.visual-guide .related-reading-list p{display:none}.visual-guide .related-reading-list h3{font-size:1.375rem}.guide-sources{border-top:1px solid var(--border-strong);border-bottom:1px solid var(--border-strong);margin:0 0 28px}.guide-sources summary{color:var(--primary);cursor:pointer;padding:22px 0;font-size:1.0625rem}.guide-sources summary span{color:var(--secondary)}.guide-sources summary:focus-visible{outline:3px solid var(--primary);outline-offset:4px}.guide-sources .source-list{max-width:760px;margin-left:auto}.visual-guide .medical-note{padding:24px;display:block}.visual-guide .medical-note p{margin-top:10px;font-size:1rem}.quick-read{width:min(760px,100%);margin:0 auto}.quick-read .article-hero{padding:32px 0 0}.quick-read .article-hero .back-link{margin-bottom:24px}.quick-read .article-hero-main.guide-photo-hero{display:block}.quick-read .article-hero h1{max-width:680px;font-size:clamp(2.125rem,5vw,2.875rem);line-height:1.1}.quick-read .article-dek{max-width:620px;margin-top:16px;font-size:1.0625rem}.quick-read .article-meta{margin-top:14px}.quick-read .guide-photo-hero .article-photo{margin-top:26px}.quick-read .guide-photo-hero .article-photo img{aspect-ratio:16/9;object-position:center}.quick-read .article-body{width:100%;padding:20px 0 0}.quick-read .article-body>section{border:0;padding:22px 0;display:block}.quick-read .routine-label{color:var(--primary);margin:0 0 8px;font-size:.875rem;font-weight:600}.quick-read .article-body h2{font-size:1.5rem;line-height:1.2}.quick-read .article-prose{max-width:640px;margin-top:12px}.quick-read .article-prose p{font-size:1.0625rem;line-height:1.65}.quick-read .article-prose p+p{margin-top:12px}.quick-read .article-body .parent-panel{background:0 0;margin:0;padding:22px 0 30px}.quick-read .article-app-note{background:var(--plum-surface);border:0;margin:0 0 30px;padding:24px;display:block}.quick-read .app-note-brand{margin-bottom:8px}.quick-read .article-body .article-app-note h2{font-size:1.375rem}.quick-read .app-note-copy{max-width:640px;margin-top:12px}.quick-read .app-note-action{margin-top:12px}.quick-read .article-body .limits-panel{background:0 0;margin:0;padding:0 0 28px}.quick-read .limits-panel h2{font-size:1.25rem}.quick-related{border-top:1px solid var(--border-strong);gap:12px;padding:22px 0;display:grid}.quick-related a{width:fit-content;color:var(--primary);text-underline-offset:4px;font-size:1rem;line-height:1.5;text-decoration:underline}.quick-related a:focus-visible{outline:3px solid var(--primary);outline-offset:4px}.quick-read .guide-sources{margin-bottom:18px}.quick-read .guide-sources summary{padding:18px 0}.quick-read .medical-note{background:0 0;border:0;padding:0}.quick-read .medical-note strong,.quick-read .medical-note p{font-size:.875rem}.source-library{border-top:1px solid var(--border-strong);grid-template-columns:.62fr 1.38fr;gap:clamp(45px,9vw,120px);padding:90px 0;display:grid}.source-library h2{max-width:390px;margin:0;font-size:clamp(38px,5vw,61px);line-height:1.02}.source-list{border-top:1px solid var(--border-strong)}.source-list>a{border-bottom:1px solid var(--border-strong);padding:25px 0 28px;display:block}.source-list>a:hover h3{color:var(--primary)}.source-kind{color:var(--secondary);align-items:center;gap:7px;font-size:11px;font-weight:600;display:inline-flex}.source-kind:before{background:var(--primary);content:"";border-radius:50%;width:9px;height:9px}.source-kind.review:before{background:var(--rose)}.source-kind.guidance:before{background:#7c906e}.source-list h3{margin:20px 0 6px;font-size:22px;line-height:1.25;transition:color .16s}.source-list p{color:var(--secondary);margin:8px 0 0;line-height:1.55}.source-list .source-citation{color:var(--muted);font-size:12px}.source-list strong{color:var(--primary);margin-top:17px;font-size:12px;display:inline-block}.medical-note{border:1px solid var(--border-strong);background:var(--surface);grid-template-columns:.42fr 1.58fr;gap:35px;padding:30px;display:grid}.medical-note strong{color:var(--primary)}.medical-note p{max-width:780px;color:var(--secondary);margin:0;line-height:1.65}footer{grid-template-columns:1fr 1.2fr 1fr;align-items:start;gap:30px;width:min(1180px,100% - 48px);margin:0 auto;padding:52px 0;display:grid}footer>p{color:var(--secondary);margin:2px 0 0;font-size:13px;line-height:1.5}footer>div{color:var(--secondary);justify-content:flex-end;gap:18px;font-size:13px;display:flex}footer small{border-top:1px solid var(--border);color:var(--muted);grid-column:1/-1;padding-top:20px}.legal-page{width:min(760px,100% - 40px);margin:0 auto;padding:28px 0 90px}.legal-header{justify-content:space-between;align-items:center;margin-bottom:70px;display:flex}.legal-header a:last-child{color:var(--secondary);font-size:14px}.legal-page h1{max-width:none;font-size:clamp(50px,9vw,78px)}.legal-page .lede{color:var(--secondary);margin:24px 0 0;font-size:18px;line-height:1.6}.legal-content{margin-top:60px}.legal-content section{border-top:1px solid var(--border-strong);padding:28px 0}.legal-content h2{margin:0 0 12px;font-size:23px}.legal-content p,.legal-content li{color:var(--secondary);line-height:1.7}.legal-content ul,.legal-content ol{padding-left:22px}.legal-content li{margin:5px 0}.legal-content a{color:var(--primary);text-underline-offset:3px;text-decoration:underline}.legal-meta{color:var(--muted);font-size:13px}.legal-footer{border-top:1px solid var(--border-strong);width:100%;color:var(--secondary);justify-content:flex-start;gap:12px;padding:25px 0 0;font-size:14px;display:flex}@media (max-width:860px){.visual-guide .guide-photo-hero{grid-template-columns:1fr;gap:28px}.visual-guide .guide-photo-hero img{aspect-ratio:16/9}.site-header{grid-template-columns:1fr auto}nav{display:none}.hero{grid-template-columns:1fr;padding-top:55px}.hero:before{width:110vw;height:58%;top:42%;right:-30vw}.hero-copy{text-align:center}.hero-lede{margin-left:auto;margin-right:auto}.hero-actions,.fact-list{justify-content:center}.intro-section,.research-invite,.reading-rules,.source-library,.changing-section,.sets-section,.responsibility-section,.difference-grid{grid-template-columns:1fr}.difference-grid h3{margin-top:20px}.changing-photo{order:2}.responsibility-mark{width:220px}footer{grid-template-columns:1fr 1fr}footer>p{grid-area:2/1/auto/-1}footer>div{grid-column:1/-1;justify-content:flex-start}}@media (max-width:560px){.comfort-check-grid,.tummy-setup-grid,.tummy-timing-grid{grid-template-columns:1fr}.animal-pack .diy-pattern-grid img{padding:12px}.article-app-note{grid-template-columns:1fr;gap:22px}.app-note-art{flex-direction:row}.app-note-art img{width:72px}.visual-guide .article-hero{padding-top:28px}.visual-guide .article-body>section{grid-template-columns:1fr;gap:18px}.visual-guide .article-body .parent-panel,.visual-guide .article-body .limits-panel{padding:24px 20px}.quick-read .article-body .parent-panel{padding:22px 0 30px}.quick-read .article-body .limits-panel{padding:0 0 28px}.visual-guide .article-prose,.visual-guide .article-body ul{grid-column:1}.visual-guide .guide-photo-hero img{aspect-ratio:4/3}.care-prep-list{grid-template-columns:1fr;gap:18px}.tummy-placement{grid-template-columns:1fr}.diy-pattern-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.printable-buttons{grid-template-columns:1fr}.site-header,.hero,.intro-section,.changing-section,.difference-section,.sets-section,.responsibility-section,.faq-section,.closing-section,footer,.research-invite,.resource-page{width:min(100% - 32px,1180px)}.site-header{min-height:72px}.header-cta{padding:9px 13px}.hero{gap:38px;min-height:0;padding:45px 0 70px}h1{font-size:clamp(62px,23vw,92px)}.hero-actions{flex-direction:column;gap:12px}.hero-visual{min-height:490px}.floating-note{display:none}.intro-section{border-radius:22px;margin-bottom:48px;padding:29px 24px}.changing-section,.difference-section,.responsibility-section,.faq-section{padding-top:72px;padding-bottom:72px}.changing-photo img{min-height:340px}.sets-section{padding:52px 24px}.set-list li{grid-template-columns:92px 1fr}.responsibility-mark{border-width:24px;width:180px}.closing-section{padding:48px 22px}footer,.topic-grid{grid-template-columns:1fr}.topic-grid>a{min-height:330px}.reading-rules li{grid-template-columns:1fr;gap:8px}.review-note,.design-principles{grid-template-columns:1fr}.resource-header nav{display:none}.resource-hero{padding:70px 0 58px}.article-photo{margin-top:48px}.article-photo img{aspect-ratio:4/3;object-position:50% 27%}.article-photo-newborn-vision-distance img{object-position:55% 45%}.article-inline-photo{margin:0 -16px 55px}.article-inline-photo img{aspect-ratio:4/3;object-position:54% 50%}.distance-explainer{grid-template-columns:1fr;margin-bottom:50px;padding:28px 20px}.feeding-distance{min-height:220px;padding:20px 12px}.distance-number strong{font-size:clamp(68px,24vw,104px)}.resource-footer{flex-direction:column}.article-page{width:min(100% - 32px,1180px)}.article-hero{padding:55px 0 58px}.article-hero .back-link{margin-bottom:45px}.article-hero-main{grid-template-columns:1fr}.article-hero-main>.topic-art{width:min(270px,100%)}.quick-answer,.medical-note{grid-template-columns:1fr}.article-body{padding:55px 0 75px}.article-body>section{grid-template-columns:1fr;gap:18px}.article-body ul,.article-prose{grid-column:1;margin:0}.article-body .parent-panel,.article-body .limits-panel{margin-left:-16px;margin-right:-16px;padding:30px 16px}.parent-feature .article-body .parent-panel,.parent-feature .article-body .limits-panel{margin-left:-16px;margin-right:-16px;padding:32px 16px}.study-snapshot{grid-template-columns:1fr;margin:8px -16px 55px;padding:30px 16px}.notice-factors{margin-left:0;margin-right:0}.notice-factors>div:first-child{grid-template-columns:1fr;gap:12px}.notice-factor-list{grid-template-columns:1fr 1fr}.contrast-explainer,.pattern-gallery{grid-template-columns:1fr;margin-bottom:50px;padding:28px 20px}.contrast-comparison{min-height:220px}.looking-study{grid-template-columns:1fr;margin:8px -16px 55px;padding:30px 16px}.attention-factors,.pattern-parts{margin-left:0;margin-right:0}.attention-factors>div:first-child,.pattern-parts>div:first-child{grid-template-columns:1fr;gap:12px}.attention-factor-list,.pattern-part-list{grid-template-columns:1fr 1fr}.attention-check{margin-left:-16px;margin-right:-16px;padding:32px 16px}.pattern-cards{gap:6px}.color-timeline{grid-template-columns:1fr;margin-bottom:50px;padding:28px 20px}.color-timeline-cards{grid-template-columns:1fr}.color-timeline-cards>div{min-height:0}.color-study{grid-template-columns:1fr;margin:8px -16px 55px;padding:30px 16px}.color-factors{margin-left:0;margin-right:0}.color-factors>div:first-child{grid-template-columns:1fr;gap:12px}.color-factor-list{grid-template-columns:1fr 1fr}.age-card-timeline,.card-routine{grid-template-columns:1fr;margin-bottom:50px;padding:28px 20px}.age-card-stages,.card-routine-steps{grid-template-columns:1fr}.age-card-stages>div,.card-routine-steps>div{min-height:0}.age-evidence,.card-setup{margin-left:0;margin-right:0}.age-evidence>div:first-child,.card-setup>div:first-child{grid-template-columns:1fr;gap:12px}.age-evidence-list,.card-setup-list{grid-template-columns:1fr 1fr}.age-one-change{grid-template-columns:1fr;margin-left:-16px;margin-right:-16px;padding:32px 16px}.one-change-mark{width:112px;height:112px;font-size:70px}.card-stop-signs{grid-template-columns:1fr;margin-left:-16px;margin-right:-16px;padding:32px 16px}.related-reading{grid-template-columns:1fr;gap:28px;padding:55px 0}.related-reading-list{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important}}.company-page,.app-landing{overflow:hidden}.company-header,.app-landing-header{border-bottom:1px solid var(--border-strong);justify-content:space-between;align-items:center;width:min(1180px,100% - 48px);min-height:88px;margin:auto;display:flex}.company-mark{color:var(--primary);letter-spacing:-.04em;align-items:baseline;gap:8px;font-family:Fraunces,Georgia,serif;font-size:24px;display:inline-flex}.company-mark span{color:var(--rose);font-size:14px}.company-header>a:last-child{border:1px solid var(--border-strong);color:var(--primary);border-radius:100px;padding:10px 18px;font-size:14px;font-weight:600}.company-hero{width:min(1180px,100% - 48px);margin:0 auto;padding:clamp(75px,8vw,115px) 0 clamp(80px,9vw,120px)}.company-hero h1{max-width:900px;color:var(--primary);letter-spacing:-.055em;margin:22px 0 28px;font-size:clamp(62px,8vw,105px);line-height:.95}.company-hero>p:last-child{max-width:610px;color:var(--secondary);margin:0;font-size:clamp(18px,2vw,22px);line-height:1.55}.company-apps{background:var(--plum-surface);padding:90px max(24px,50vw - 590px) 125px}.company-section-heading h2{margin:12px 0 36px;font-size:clamp(36px,5vw,58px)}.company-app-card{background:var(--surface);grid-template-columns:.8fr 1.2fr;min-height:430px;display:grid;box-shadow:0 24px 60px #6b2e4e12}.company-app-card>div:last-child{flex-direction:column;justify-content:center;align-items:flex-start;padding:clamp(32px,6vw,82px);display:flex}.company-app-card h3{letter-spacing:-.045em;margin:12px 0 16px;font-family:Fraunces,Georgia,serif;font-size:clamp(37px,4.5vw,62px);font-weight:500;line-height:1.03}.company-app-card>div:last-child>p:not(.eyebrow){max-width:470px;color:var(--secondary);margin:0;font-size:18px;line-height:1.55}.company-card-link{border-bottom:1px solid var(--primary);color:var(--primary);margin-top:32px;padding-bottom:5px;font-weight:600}.company-app-actions{flex-wrap:wrap;align-items:center;gap:20px;margin-top:32px;display:flex}.company-app-actions .company-card-link{margin-top:0}.company-card-link:focus-visible{outline:3px solid var(--rose);outline-offset:4px}.company-app-card h3 a:focus-visible{outline:3px solid var(--rose);outline-offset:4px}.app-guides-link:focus-visible{outline:3px solid var(--rose);outline-offset:4px}.company-app-art{background:#f7e7dd;place-items:center;min-height:430px;display:grid;position:relative;overflow:hidden}.company-app-art span{border:55px solid var(--primary);border-radius:50%;width:245px;height:245px;display:block;transform:rotate(-16deg)}.company-app-art i{background:#d8a4a1;border-radius:50%;width:55px;height:55px;position:absolute;transform:translate(145px,115px)}.company-footer{width:min(1180px,100% - 48px);min-height:110px;color:var(--secondary);justify-content:space-between;align-items:center;gap:28px;margin:auto;font-size:14px;display:flex}.company-footer a:hover,.app-landing-header a:hover{color:var(--primary);text-underline-offset:4px;text-decoration:underline}.app-landing-header nav{align-items:center;gap:28px;display:flex}.app-landing-hero{grid-template-columns:1.1fr .9fr;align-items:center;gap:70px;width:min(1180px,100% - 48px);margin:auto;padding:110px 0 130px;display:grid}.app-landing-hero h1{color:var(--primary);letter-spacing:-.06em;margin:20px 0 24px;font-size:clamp(65px,7.5vw,105px);line-height:.95}.app-landing-hero>div:first-child>p:not(.eyebrow){max-width:570px;color:var(--secondary);font-size:20px;line-height:1.6}.app-landing-actions{color:var(--secondary);flex-wrap:wrap;align-items:center;gap:20px;margin-top:34px;font-size:14px;display:flex}.app-guides-link{color:var(--primary);text-underline-offset:5px;text-decoration:underline}.app-availability{flex-basis:100%}.app-landing-art{background:#eed4cf;border-radius:220px 220px 24px 24px;min-height:500px;position:relative;overflow:hidden}.art-circle{border:48px solid var(--primary);border-radius:50%;width:240px;height:240px;position:absolute;top:83px;left:calc(50% - 120px)}.art-dot{background:#fff7ed;border-radius:50%;width:62px;height:62px;position:absolute;top:62px;left:13%}.art-bars{gap:18px;display:flex;position:absolute;bottom:65px;left:-20px;right:-20px;transform:rotate(-12deg)}.art-bars i{background:var(--primary);flex:1;height:120px;display:block}.app-landing-details{border-top:1px solid var(--border-strong);grid-template-columns:repeat(3,1fr);gap:40px;width:min(1180px,100% - 48px);margin:0 auto;padding:72px 0 120px;display:grid}.app-landing-details article{border-top:3px solid var(--primary);padding-top:22px}.app-landing-details article>span{color:var(--rose);font-size:13px;font-weight:600}.app-landing-details h2{margin:22px 0 14px;font-size:30px;line-height:1.1}.app-landing-details p{color:var(--secondary);margin:0;line-height:1.6}.app-landing-photo{background:var(--sage-surface);grid-template-columns:1fr 1fr;display:grid}.app-landing-photo img{object-fit:cover;width:100%;height:100%;min-height:460px;display:block}.app-landing-photo>div{flex-direction:column;justify-content:center;align-items:flex-start;padding:clamp(45px,6vw,105px);display:flex}.app-landing-photo h2{max-width:520px;margin:15px 0 18px;font-size:clamp(38px,4.5vw,62px);line-height:1.05}.app-landing-photo p:not(.eyebrow){max-width:520px;color:var(--secondary);margin:0;font-size:18px;line-height:1.6}.app-landing-photo a{color:var(--primary);text-underline-offset:5px;margin-top:30px;font-weight:600;text-decoration:underline}.app-landing-links{grid-template-columns:1fr 1fr;gap:80px;width:min(1180px,100% - 48px);margin:auto;padding:115px 0;display:grid}.app-landing-links h2{max-width:440px;margin:0;font-size:clamp(40px,5vw,60px);line-height:1.05}.app-landing-links>div{align-content:center;display:grid}.app-landing-links>div a{border-bottom:1px solid var(--border-strong);color:var(--primary);justify-content:space-between;gap:20px;padding:19px 0;font-size:18px;display:flex}@media (max-width:780px){.company-app-card,.app-landing-hero,.app-landing-photo,.app-landing-links{grid-template-columns:1fr}.app-landing-hero{gap:45px;padding:72px 0 90px}.app-landing-art{min-height:390px}.app-landing-details{grid-template-columns:1fr;gap:25px;padding:50px 0 90px}.app-landing-photo img{min-height:360px;max-height:500px}.app-landing-links{gap:30px;padding:80px 0}}@media (max-width:560px){.company-header,.app-landing-header,.company-hero,.app-landing-hero,.app-landing-details,.app-landing-links,.company-footer{width:calc(100% - 32px)}.company-mark{font-size:19px}.company-hero{padding:100px 0 115px}.company-hero h1{font-size:clamp(57px,15vw,78px)}.company-apps{padding:65px 16px 80px}.company-app-art{min-height:300px}.company-app-art span{transform:scale(.75)}.company-app-card>div:last-child{padding:36px 28px 45px}.app-landing-header nav{gap:14px;font-size:12px}.app-landing-header nav a:first-child{display:none}.app-landing-hero h1{font-size:clamp(56px,15vw,78px)}.app-landing-art{min-height:330px}.art-circle{top:35px}.app-landing-photo>div{padding:60px 24px}.company-footer{flex-wrap:wrap;gap:12px 22px;padding:28px 0}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}
