:root{--ink:#132032;--navy:#102d60;--blue:#16499e;--blue-hover:#103775;--muted:#526175;--pale:#f0f5fc;--line:#d8e0eb;--white:#fff;--radius:12px;--font:Inter,"Segoe UI",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--ink);background:#fff;font:400 20px/1.65 var(--font);-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}a{color:var(--blue);text-underline-offset:5px}button{cursor:pointer}img{display:block;max-width:100%;height:auto}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:750;line-height:1.12;letter-spacing:-.045em}h1{font-size:clamp(52px,5.4vw,80px);margin-bottom:27px}h2{font-size:clamp(36px,3.45vw,51px);margin-bottom:24px}h3{font-size:30px}p{margin-bottom:22px}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #2272e5;outline-offset:5px}input:focus-visible,select:focus-visible,textarea:focus-visible{outline-offset:2px}::selection{background:#d0e1ff;color:#102d60}[hidden]{display:none!important}.container{width:min(1180px,calc(100% - 96px));margin-inline:auto}.section-pad{padding-block:100px}.eyebrow{font-size:16px;font-weight:700;letter-spacing:.08em;line-height:1.5;text-transform:uppercase;color:var(--blue);margin-bottom:24px}.button{display:inline-flex;justify-content:center;align-items:center;gap:22px;min-height:62px;border-radius:8px;padding:16px 25px;font-size:19px;font-weight:650;line-height:1.4;text-decoration:none;border:1px solid transparent;transition:background .16s ease,transform .16s ease}.button span{font-size:25px;line-height:1}.button-primary{background:var(--blue);color:#fff}.button-primary:hover{background:var(--blue-hover);transform:translateY(-1px)}.button-secondary{background:#fff;color:var(--blue);border-color:var(--blue)}.button-secondary:hover{background:var(--pale)}.button:disabled{opacity:.65;cursor:wait;transform:none}.text-link{display:inline-flex;align-items:center;gap:20px;font-size:19px;font-weight:650;min-height:44px;text-decoration:none}.text-link:hover{text-decoration:underline}.text-link span{font-size:23px}.skip-link{position:fixed;z-index:20;left:16px;top:-100px;padding:10px 18px;background:#fff;border:2px solid var(--blue);border-radius:6px}.skip-link:focus{top:10px}
.site-header{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid #e4eaf2}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;min-height:100px}.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);flex-shrink:0}.wordmark{font-size:26px;letter-spacing:-.055em;font-weight:750;line-height:1.12}.wordmark>span{display:block;font-size:12px;font-weight:650;letter-spacing:.27em;line-height:1.8;padding-left:2px}.site-header nav{display:flex;gap:34px;align-items:center}.site-header nav>a{font-size:18px;text-decoration:none;font-weight:600;color:var(--ink);padding-block:9px}.site-header nav>a:hover{color:var(--blue)}.site-header nav .nav-cta{display:flex;gap:20px;align-items:center;background:#edf3fc;color:var(--blue);padding:12px 19px;border-radius:7px}.site-header nav .nav-cta:hover{background:#dfebfb}.nav-cta span{font-size:23px}
.hero{padding-top:66px;background:#fff}.hero-grid{display:grid;grid-template-columns:1.06fr 1fr;gap:50px;align-items:center}.hero-copy{padding-bottom:12px}.hero-copy .eyebrow{display:flex;align-items:center;gap:12px;font-size:14px;letter-spacing:.085em}.blue-dash{display:inline-block;width:26px;height:3px;background:var(--blue);flex-shrink:0}h1>span{color:var(--blue)}.hero-description{font-size:21px;line-height:1.65;max-width:510px;margin-bottom:29px;color:#46566b}.hero-note{font-size:16px;color:var(--muted);margin:15px 0 0}.hero-art{position:relative;padding-bottom:30px;align-self:center}.hero-art>img{width:100%}.art-caption{position:absolute;right:0;bottom:10px;display:flex;align-items:center;gap:13px;font-size:15px;font-weight:500;color:#51657c;letter-spacing:.02em}.caption-line{height:1px;width:32px;background:#839bbb}.intro-strip{display:flex;align-items:center;justify-content:space-between;gap:28px;border-top:1px solid var(--line);margin-top:46px;padding-block:27px 35px}.intro-strip p{display:flex;gap:14px;margin:0;font-size:16px;font-weight:550;color:#46566b}.intro-strip p>span{color:#345e9b;font-size:15px;font-weight:700;letter-spacing:.03em}
.sleep-banner{background:var(--navy);color:#fff;padding-block:65px}.sleep-banner-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:center}.sleep-banner .eyebrow{color:#b7cff2;font-size:14px;margin-bottom:20px}.sleep-banner h2{font-size:clamp(31px,3vw,42px);line-height:1.2;margin-bottom:0;color:#fff}.sleep-banner-copy>p{font-size:20px;line-height:1.75;color:#dce7f7;margin-bottom:20px}.light-link{color:#fff}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:45px}.section-heading .eyebrow{margin-bottom:16px}.section-heading h2{margin-bottom:0}.section-heading>p{color:var(--muted);font-size:19px;line-height:1.75;margin-bottom:4px}.journal-list{border-top:1px solid var(--line)}.article-details{border-bottom:1px solid var(--line)}.article-details summary{list-style:none;display:grid;grid-template-columns:75px minmax(0,1fr) 132px;gap:28px;padding:34px 0;cursor:pointer;position:relative;border-radius:3px}.article-details summary::-webkit-details-marker{display:none}.article-number{font-size:35px;font-weight:450;line-height:1.3;letter-spacing:-.04em;color:#6382ae;padding-top:28px}.article-meta{display:flex;flex-wrap:wrap;gap:8px 14px;color:#526175;font-size:16px;line-height:1.7;font-weight:500;margin-bottom:9px}.article-category{color:var(--blue);font-weight:650}.article-meta .meta-dot{color:#77889e}.article-details h3{font-size:29px;line-height:1.28;letter-spacing:-.025em;margin:0 0 10px;max-width:780px}.article-synopsis{color:#526175;font-size:18px;line-height:1.7;margin:0;max-width:760px}.article-action{display:flex;gap:12px;align-items:center;justify-content:flex-end;align-self:center;color:var(--blue);font-size:16px;font-weight:650;white-space:nowrap}.article-action .plus{display:grid;place-items:center;width:29px;height:29px;font-size:27px;font-weight:350;line-height:1}.article-details summary:hover h3{color:var(--blue)}.article-details[open] summary{padding-bottom:25px}.article-details[open] .plus{transform:rotate(45deg)}.article-details[open] .read-open,.article-details:not([open]) .read-close{display:none}.article-body{margin-left:103px;padding:0 0 35px;max-width:790px;font-size:20px;line-height:1.8}.article-body>p{margin-bottom:21px}.article-takeaway{background:var(--pale);border-left:3px solid var(--blue);padding:21px 24px;margin:28px 0}.article-takeaway strong{display:block;font-size:17px;color:var(--blue);margin-bottom:5px}.article-sources{font-size:16px;line-height:1.8;color:var(--muted);padding-top:10px}.article-sources>p{margin-bottom:6px;font-weight:650}.article-sources ul{padding-left:22px;margin:0}.article-sources li{padding:3px 0}.article-sources a{overflow-wrap:anywhere}.journal-footnote{font-size:16px;color:var(--muted);margin:25px 0 0}.loading-note{padding:25px 0}
.evaluation{background:var(--pale)}.form-container{max-width:1040px}.evaluation-intro{max-width:780px;margin:0 auto 42px;text-align:center}.evaluation-intro .eyebrow{margin-bottom:18px}.evaluation-intro h2{font-size:clamp(36px,3.7vw,51px);line-height:1.14}.evaluation-intro h2>span{color:var(--blue)}.evaluation-intro>p:not(.eyebrow):not(.small-note){color:#46566b;font-size:20px;line-height:1.7;max-width:650px;margin-inline:auto;margin-bottom:13px}.small-note{font-size:16px;color:var(--muted)}.form-shell{background:#fff;border:1px solid #dce5f1;border-radius:16px;padding:36px 42px 40px;box-shadow:0 12px 50px #102d6006}.form-topline{display:flex;justify-content:space-between;gap:20px;font-size:15px;color:var(--muted);margin-bottom:23px}.form-kicker{font-size:13px;letter-spacing:.1em;font-weight:700;color:var(--blue)}.preview-note{display:flex;gap:9px;align-items:baseline;background:#f2f6fc;border-radius:6px;color:#465d7b;padding:12px 15px;font-size:15px;line-height:1.65;margin-bottom:30px}.preview-dot{height:7px;width:7px;border-radius:100%;background:#416dab;flex-shrink:0}fieldset{border:0;margin:0 0 32px;padding:0;min-width:0}legend{width:100%;display:flex;align-items:center;gap:12px;font-size:24px;font-weight:650;letter-spacing:-.025em;line-height:1.4;padding:0 0 23px}.step-number{display:inline-grid;place-items:center;width:32px;height:32px;background:#eaf1fb;color:var(--blue);font-size:17px;border-radius:50%;font-weight:650;flex-shrink:0}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 26px}.field{min-width:0}.field label{display:block;font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;color:#26384f}.field label>span{font-size:15px;font-weight:400;color:var(--muted)}.field-wide{grid-column:1/-1}input:not([type=checkbox]),select,textarea{width:100%;min-height:56px;border:1px solid #73859f;background:#fff;border-radius:6px;padding:12px 14px;color:var(--ink);font-size:18px;line-height:1.5;transition:border-color .16s ease}select{appearance:none;padding-right:40px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='%23445873' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 15px center}textarea{resize:vertical;min-height:110px}input:hover,select:hover,textarea:hover{border-color:#5978a0}input::placeholder,textarea::placeholder{color:#66778d;opacity:1}.field-hint{font-size:15px;color:var(--muted);margin:7px 0 0}.consent{display:flex;align-items:flex-start;gap:12px;margin:15px 0 27px;line-height:1.65;font-size:16px;cursor:pointer}.consent input{accent-color:var(--blue);width:22px;height:22px;flex-shrink:0;margin:3px 0 0}.consent span{flex:1}.inline-button{background:none;border:0;color:var(--blue);font:inherit;padding:0;text-decoration:underline;text-underline-offset:4px;line-height:inherit}.form-bottom{display:flex;align-items:center;justify-content:space-between;gap:25px}.form-bottom>p{font-size:15px;line-height:1.6;color:var(--muted);margin:0}.honeypot{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}.form-error{padding:14px 18px;border:1px solid #bc4e4e;border-radius:6px;color:#862d2d;background:#fff6f5;font-size:17px;margin-bottom:25px}.field-error{color:#862d2d;margin:6px 0 0;font-size:16px}[aria-invalid=true]{border-color:#ad3434!important}.success-panel{padding:40px 10px;text-align:center;max-width:650px;margin:auto}.success-icon{width:64px;height:64px;display:inline-grid;place-items:center;border-radius:50%;background:#e6effd;color:var(--blue);font-size:35px;margin-bottom:25px}.success-panel h3{font-size:34px}.success-panel p{color:var(--muted)}.success-reference{font-size:15px;overflow-wrap:anywhere}
.contact-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:80px;align-items:start}.contact-copy>p:not(.eyebrow){font-size:20px;color:var(--muted);max-width:390px;line-height:1.75}.contact-copy h2{font-size:clamp(38px,3.8vw,53px)}.contact-copy .text-link{font-size:17px;gap:10px;margin-top:4px}.contact-form-shell .preview-note{margin-bottom:25px}.contact-form-shell .field-grid{gap:22px 20px}.contact-details{margin-bottom:24px}.contact-details a{display:block;font-size:19px}.site-footer{background:#f5f8fd;border-top:1px solid var(--line)}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:25px;padding-block:42px}.footer-top>p{margin:0;color:#526175;line-height:1.6;font-size:18px}.footer-top .text-link{font-size:16px}.footer-bottom{border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:25px;color:#526175;font-size:13px;line-height:1.65}.footer-bottom p{margin:0}.footer-bottom .inline-button{min-height:44px;min-width:44px;font-size:15px}dialog{border:1px solid var(--line);border-radius:16px;padding:35px;max-width:680px;width:calc(100% - 36px);max-height:85vh;color:var(--ink);font-size:18px;line-height:1.75;box-shadow:0 20px 90px #0b275b40}dialog::backdrop{background:#102d6077;backdrop-filter:blur(3px)}.dialog-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:20px}.dialog-heading h2{font-size:32px;margin:0}.dialog-close{border:0;background:#edf3fc;color:var(--blue);min-width:48px;min-height:48px;border-radius:50%;font-size:32px;line-height:1}.dialog-done{margin-top:8px}
@media(min-width:1500px){.hero{padding-top:84px}.hero-grid{gap:75px}.hero-art{margin-right:-12px}.intro-strip{margin-top:54px}}
@media(max-width:1050px){.container{width:calc(100% - 64px)}.hero-grid{gap:25px}.hero-copy .eyebrow{font-size:12px}.hero-description{font-size:19px}.hero-copy .button{font-size:17px;padding-inline:20px;gap:14px}.hero-note{font-size:14px}.sleep-banner-inner{gap:45px}.sleep-banner-copy>p{font-size:18px}.intro-strip p{font-size:14px;gap:10px}.section-heading>p{font-size:17px}.article-details summary{grid-template-columns:45px minmax(0,1fr) 112px;gap:20px}.article-body{margin-left:65px}.article-details h3{font-size:26px}.article-action{font-size:14px;gap:7px}.contact-grid{gap:40px;grid-template-columns:1fr 1.4fr}.contact-form-shell .field-grid{grid-template-columns:1fr}.form-shell{padding:32px}.form-bottom{align-items:flex-start;flex-direction:column;gap:17px}.form-bottom>p br{display:none}.footer-bottom{flex-wrap:wrap;gap:12px 22px}.footer-bottom p:nth-child(2){order:3;width:100%}}
@media(max-width:760px){html{scroll-padding-top:142px}.container{width:calc(100% - 40px)}.section-pad{padding-block:65px}.header-inner{flex-wrap:wrap;justify-content:center;gap:16px;padding-block:15px;min-height:0}.brand img{width:38px;height:38px}.wordmark{font-size:23px}.wordmark>span{font-size:10px}.site-header nav{width:100%;justify-content:center;gap:25px}.site-header nav>a{font-size:15px;padding-block:7px;min-height:40px}.site-header nav .nav-cta{padding:8px 12px;gap:10px}.nav-cta span{font-size:18px}.hero{padding-top:41px}.hero-grid{grid-template-columns:1fr;gap:24px}.hero-copy{padding:0}.hero-copy .eyebrow{font-size:12px;gap:9px;margin-bottom:20px}h1{font-size:clamp(47px,9.7vw,70px);line-height:1.1;margin-bottom:22px;letter-spacing:-.055em}.hero-description{font-size:19px;max-width:530px;margin-bottom:25px}.hero-copy .button{min-height:58px;font-size:17px;padding:14px 19px;gap:17px}.hero-note{font-size:14px;margin-top:13px}.hero-art{max-width:470px;width:100%;margin-inline:auto;padding-bottom:20px}.art-caption{font-size:13px;bottom:2px}.intro-strip{flex-direction:column;align-items:flex-start;gap:11px;padding:22px 0 28px;margin-top:24px}.intro-strip p{font-size:16px;gap:14px}.sleep-banner{padding-block:45px}.sleep-banner-inner{grid-template-columns:1fr;gap:22px}.sleep-banner .eyebrow{font-size:12px;margin-bottom:17px}.sleep-banner h2{font-size:34px;line-height:1.2}.sleep-banner-copy>p{font-size:19px;margin-bottom:12px}.section-heading{display:block;margin-bottom:28px}.section-heading h2{font-size:37px;line-height:1.18}.section-heading>p{font-size:18px;margin:20px 0 0}.desktop-break{display:none}.eyebrow{font-size:14px;margin-bottom:15px}.article-details summary{grid-template-columns:1fr;gap:13px;padding:26px 0}.article-number{display:none}.article-details h3{font-size:25px;line-height:1.3;margin-bottom:9px}.article-meta{font-size:16px;gap:7px 10px;margin-bottom:10px}.article-synopsis{font-size:18px;line-height:1.65}.article-action{justify-content:flex-start;font-size:16px;gap:8px}.article-action .plus{font-size:25px;width:23px;height:23px}.article-body{margin-left:0;font-size:19px;line-height:1.8;padding-bottom:27px}.article-takeaway{padding:17px 18px}.journal-footnote{font-size:15px}.evaluation-intro{text-align:left;margin-bottom:28px}.evaluation-intro h2{font-size:37px;line-height:1.18}.evaluation-intro>p:not(.eyebrow):not(.small-note){font-size:19px}.form-shell{padding:25px 21px;border-radius:12px}.form-topline{font-size:13px;gap:10px}.form-kicker{font-size:11px;letter-spacing:.07em}.preview-note{font-size:16px;padding:11px 12px;line-height:1.65}.field-grid{grid-template-columns:1fr;gap:20px}legend{font-size:21px;gap:9px;padding-bottom:20px}.step-number{width:28px;height:28px;font-size:15px}.field label{font-size:16px}.field label>span{font-size:14px}input:not([type=checkbox]),select,textarea{font-size:17px;min-height:55px;padding:12px}select{padding-right:34px;background-position:right 12px center}.consent{font-size:15px;gap:10px}.field-hint{font-size:14px}.form-bottom{gap:14px}.form-bottom .button{width:100%;font-size:16px;gap:10px;padding-inline:13px}.form-bottom>p{font-size:14px}.contact-grid{grid-template-columns:1fr;gap:35px}.contact-copy h2{font-size:40px}.contact-copy>p:not(.eyebrow){max-width:none;font-size:19px}.contact-copy .text-link{font-size:17px}.contact-form-shell .button{width:100%;font-size:18px}.footer-top{display:grid;grid-template-columns:1fr auto;padding-block:30px;gap:25px}.footer-top>p{order:3;font-size:16px;grid-column:1/-1}.footer-top .text-link{font-size:14px;gap:8px}.footer-bottom{font-size:13px;padding-block:20px}.success-panel{padding:25px 0}.success-panel h3{font-size:29px}.success-panel p{font-size:18px}.dialog-heading h2{font-size:27px}dialog{padding:24px;font-size:17px}}
@media(max-width:370px){.container{width:calc(100% - 30px)}.site-header nav{gap:15px}.site-header nav>a{font-size:14px}.hero-copy .button{font-size:15px;gap:10px}.hero-note{font-size:13px}.form-shell{padding:20px 15px}.form-topline>span:last-child{display:none}.form-bottom .button{font-size:15px}.article-meta .meta-dot{display:none}.article-meta{gap:4px 10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
.evaluation-chapter{margin-bottom:40px}
.evaluation-chapter+fieldset{border-top:1px solid var(--line);padding-top:32px}
.evaluation-chapter>legend{padding-bottom:14px}
.chapter-intro{font-size:18px;line-height:1.7;color:var(--muted);margin-bottom:26px;max-width:720px}
.choice-question{margin:2px 0 0;padding:0}
.choice-question legend{display:block;font-size:18px;font-weight:600;letter-spacing:normal;line-height:1.5;padding-bottom:0;color:#26384f}
.choice-question legend>span{font-size:16px;font-weight:400;color:var(--muted)}
.choice-question>.field-hint{font-size:16px;margin:7px 0 15px}
.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.choice-grid .choice-tile{display:flex;align-items:flex-start;gap:12px;border:1px solid #73859f;border-radius:7px;padding:15px;margin:0;min-height:60px;cursor:pointer;font-size:17px;line-height:1.5;font-weight:400;color:var(--ink)}
.choice-tile input{accent-color:var(--blue);width:21px;height:21px;margin:2px 0 0;flex-shrink:0}
.choice-grid .choice-tile>span{font-size:17px;font-weight:400;color:var(--ink)}
.choice-tile:has(input:checked){background:#edf3fc;border-color:var(--blue);box-shadow:inset 0 0 0 1px var(--blue)}
.choice-tile:hover{border-color:var(--blue)}
.choice-question[aria-invalid=true]{border-left:3px solid #ad3434;padding-left:15px}
.summary-invitation{display:flex;align-items:center;gap:25px;margin-top:30px}
.summary-invitation .button{font-size:18px;gap:12px}
.summary-invitation>p{margin:0;font-size:16px;line-height:1.6;color:var(--muted)}
.sleep-summary{background:#f0f5fc;border:1px solid #b2c4e0;border-radius:10px;padding:30px;margin-top:28px;scroll-margin-top:15px}
.sleep-summary>.eyebrow{font-size:13px;margin-bottom:13px}
.sleep-summary h3{font-size:31px;line-height:1.2;margin-bottom:17px}
.sleep-summary>p:not(.eyebrow){font-size:18px;line-height:1.75;color:#46566b}
.summary-idea{display:flex;gap:17px;border-top:1px solid #cdd9e9;padding-top:22px;margin-top:22px}
.summary-idea-number{font-size:17px;color:var(--blue);font-weight:650;line-height:1.6}
.summary-idea h4{font-size:20px;line-height:1.5;margin:0 0 8px;letter-spacing:-.01em}
.summary-idea p{font-size:18px;line-height:1.75;color:#46566b;margin:0}
.sleep-summary .summary-footnote{font-size:16px!important;margin:25px 0 13px}
.sleep-summary .text-link{font-size:17px}
@media(max-width:760px){.chapter-intro{font-size:17px}.choice-grid{grid-template-columns:1fr;gap:10px}.choice-grid .choice-tile{font-size:17px;min-height:56px;padding:13px}.summary-invitation{flex-direction:column;align-items:stretch;gap:14px}.summary-invitation .button{font-size:17px;padding-inline:12px}.summary-invitation>p{font-size:16px}.sleep-summary{padding:23px 18px}.sleep-summary h3{font-size:28px}.summary-idea{gap:12px}.summary-idea h4{font-size:19px}.summary-idea p,.sleep-summary>p:not(.eyebrow){font-size:17px}}
@media print{.site-header,.hero-art,.evaluation,.contact,.site-footer,.article-action,.skip-link{display:none}body{font-size:12pt}.container{width:100%}.section-pad{padding:20px 0}.hero{padding-top:0}.hero-grid{display:block}h1{font-size:30pt}.sleep-banner{background:#fff;color:#000;padding:20px 0}.sleep-banner h2,.sleep-banner p{color:#000}.article-body{margin:0}.article-details summary{display:block}.article-number{display:none}}