/* Public research design: authentic photography, legible content and quiet motion. */
body[data-research-design]{--research-ink:var(--heading-main,#123b4a);--research-teal:var(--heading-secondary,#176b73);--research-line:#d8e5e2;--research-paper:#f4f8f7;background:var(--reading-background,#f5f8f7);color:var(--reading-text,#243d45);-webkit-font-smoothing:antialiased}
body[data-research-design] main{max-width:1500px;margin-inline:auto;padding-inline:clamp(18px,3.2vw,52px)}
body[data-research-design] .site-header{background:#ffffffed;border-bottom:1px solid var(--research-line);box-shadow:0 4px 28px #163d4808}
body[data-research-design] .header-inner{max-width:1500px;margin:auto}
body[data-research-design] #main-nav{max-width:1500px;margin:auto;gap:clamp(12px,1.5vw,24px)}
body[data-research-design] #main-nav .nav-link{font-size:15px;font-weight:650;transition:color .2s,border-color .2s}
body[data-research-design] #main-nav .nav-link.active{border-bottom:3px solid var(--research-teal)}
body[data-research-design] #page-home .hero{display:grid;grid-template-columns:1fr 1fr;isolation:isolate;min-height:580px;overflow:hidden;border-radius:22px;background:#103746;box-shadow:0 18px 55px #14394415;gap:0;align-items:stretch}
body[data-research-design] #page-home .hero-copy{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:center;padding:clamp(30px,4.4vw,66px);background:linear-gradient(135deg,#103746,#15585e);color:#fff;min-width:0;width:100%;max-width:none;margin:0}
body[data-research-design] #page-home .hero-copy:before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse at 100% 0,#80c7ab24,transparent 65%);pointer-events:none}
body[data-research-design] #page-home .hero-copy h1{font-size:clamp(35px,4.2vw,62px);font-weight:750;line-height:1.08;letter-spacing:-.045em;color:#fff;margin:20px 0 24px;max-width:14ch}
body[data-research-design] #page-home .hero-copy .eyebrow{color:#bce5d5;font-size:12px;letter-spacing:.14em;line-height:1.7;background:transparent;border:0;padding:0}
body[data-research-design] #page-home #hero-description{color:#e0eeeb;font-size:18px;line-height:1.8;max-width:49ch;margin-bottom:24px}
body[data-research-design] #page-home .hero-actions{display:flex;flex-direction:row;align-items:center;flex-wrap:wrap;gap:18px;margin:10px 0 36px}
body[data-research-design] #page-home .hero-actions .button{background:#d0edbe;color:#183f35;border:1px solid #d0edbe;box-shadow:none}
body[data-research-design] #page-home .hero-secondary{color:#fff;font-size:15px;border-bottom:1px solid #b3ccc7;padding-bottom:5px}
body[data-research-design] #page-home .hero-image{display:block;position:relative;min-height:580px;margin:0;border:0;border-radius:0;overflow:hidden;width:auto}
body[data-research-design] #page-home #cover-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;filter:none}
body[data-research-design] #page-home .hero-image:after{content:"";position:absolute;inset:50% 0 0;background:linear-gradient(transparent,#102e3760);pointer-events:none}
body[data-research-design] #page-home #hero-credit{position:absolute;z-index:2;bottom:18px;right:18px;max-width:85%;padding:8px 12px;background:#fffef2e8;color:#26453f;border-radius:6px;font-size:12px}
body[data-research-design] #page-home .hero-bottom{margin-top:auto;color:#c1ddd5;border-top:1px solid #afd8cb44;padding-top:22px;display:flex;flex-direction:column;gap:8px;font-size:12px}
body[data-research-design] #page-home .hero-bottom small{font-size:13px;color:#d9e8e3}
body[data-research-design] .audience-strip{padding:24px 8px;border-bottom:1px solid var(--research-line);gap:20px;color:var(--research-ink);font-size:13px;flex-wrap:wrap}
body[data-research-design] .audience-strip b{padding:7px 12px;border-radius:30px;background:#eaf2ee;font-weight:600}
body[data-research-design] :is(.section-heading,.research-section-heading){margin-top:56px;margin-bottom:24px;gap:24px}
body[data-research-design] :is(.section-heading,.hx-section-heading,.research-section-heading) h2{font-size:clamp(28px,3.1vw,43px);line-height:1.17;letter-spacing:-.035em;color:var(--research-ink)}
body[data-research-design] :is(.page-heading h1,.field-design-intro h2){letter-spacing:-.035em;line-height:1.15}
body[data-research-design] .page-heading p{font-size:18px;line-height:1.75;max-width:70ch}
body[data-research-design] :is(.path-card,.hx-journey,.hx-update,.home-directory-group,.research-card,.work-panel){border:1px solid var(--research-line);border-radius:16px;background:#fff;box-shadow:0 3px 16px #163d4804}
body[data-research-design] :is(.path-card,.hx-journey,.research-source){transition:transform .22s,box-shadow .22s,border-color .22s}
body[data-research-design] :is(.path-card,.hx-journey,.research-source):hover{transform:translateY(-4px);border-color:#94b7ae;box-shadow:0 14px 32px #163d4810}
body[data-research-design] :is(.path-card,.hx-journey,.hx-update) h3{color:var(--research-ink);line-height:1.3;font-size:23px;letter-spacing:-.02em}
body[data-research-design] :is(.path-card,.hx-journey,.hx-update) p{font-size:16px;line-height:1.75}
body[data-research-design] .hx-section{margin-block:58px;--hx-paper:#edf4f0;--hx-line:var(--research-line)}
body[data-research-design] .hx-showcase{border-radius:20px;background:#eaf2ef}
body[data-research-design] .hx-slide{grid-template-columns:1fr 1fr}
body[data-research-design] .hx-slide figure{min-height:390px}
body[data-research-design] .hx-slide h3{font-size:clamp(28px,3.2vw,46px)}
body[data-research-design] .hx-slide-copy>p:not(.hx-kicker){font-size:17px;line-height:1.8}
body[data-research-design] .hx-workflow{background:linear-gradient(125deg,#e8f2ee,#f4f7ed);border:1px solid var(--research-line);padding:clamp(24px,4vw,48px)}
body[data-research-design] .hx-index{width:100%;border-top:2px solid #9cbcb1;color:#1c665c;font-size:15px}
body[data-research-design] .hx-update-meta>span{background:#e7f1eb;color:#245b49;border-radius:20px;padding:5px 11px}
body[data-research-design] .hx-update-source{font-size:14px;line-height:1.7}
body[data-research-design] .hx-update-source a{color:#185d72;text-decoration:underline;text-underline-offset:3px}
body[data-research-design] .research-section-heading{display:flex;justify-content:space-between;align-items:end}
body[data-research-design] .research-section-heading>p{max-width:45ch;font-size:16px;line-height:1.75;margin:0}
body[data-research-design] .research-source-section{margin-block:56px;padding:30px;border:1px solid #d1e1dc;border-radius:20px;background:#fffffff0;box-shadow:0 10px 34px #153f4805}
body[data-research-design] .research-source-section .research-section-heading{margin-top:0}
body[data-research-design] .research-source-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
body[data-research-design] .research-source{display:flex;flex-direction:column;align-items:start;min-width:0;padding:26px 22px;border:1px solid #bdd3cd;border-top:3px solid #3c8a81;border-radius:12px;background:#fff;text-decoration:none;color:var(--reading-text,#243d45)}
body[data-research-design] .research-source h3{font-size:23px;margin:14px 0 12px;color:var(--research-ink)}
body[data-research-design] .research-source p{font-size:15px;line-height:1.7;margin-bottom:24px}
body[data-research-design] .research-source-topic{font-size:12px;color:#2e6b5c;font-weight:700;letter-spacing:.035em}
body[data-research-design] .research-source-action{display:flex;width:100%;justify-content:space-between;gap:12px;margin-top:auto;font-size:14px;color:#185d72;font-weight:700}
body[data-research-design] #home-calculator-directory{padding:30px;border:1px solid var(--research-line);border-radius:18px;background:#edf4f1;margin-block:54px}
body[data-research-design] .home-directory-group{padding:22px}
body[data-research-design] :is(.gallery-grid img,.gallery-grid video,.research-media img){border-radius:14px}
body[data-research-design] :is(.linked-video-frame,.linked-video-card){min-width:0;max-width:100%;width:100%;box-sizing:border-box;overflow:hidden}
body[data-research-design] .linked-video-frame :is(iframe,img,video){max-width:100%;width:100%}
body[data-research-design] :is(.linked-video-frame,.linked-video-card){min-width:0;max-width:100%;width:100%;box-sizing:border-box;overflow:hidden}
body[data-research-design] .linked-video-frame :is(iframe,img,video){max-width:100%;width:100%}
body[data-research-design] .hx-about-intro{background:linear-gradient(120deg,#e6f1ed,#f5f8f4);border-radius:20px}
body[data-research-design] .hx-info p{font-size:16px;line-height:1.8}
body[data-research-design] .hx-faq summary{font-size:18px}
body[data-research-design] .subscribe-band{border-radius:18px;background:#123f4a;color:#fff}
body[data-research-design] .subscribe-band h2{color:#fff}
body[data-research-design] .hydro-smart-footer{margin-top:60px;background:#edf3f1;border-top:1px solid #c8dbd4}
body[data-research-design] :is(a,button,input,select,summary):focus-visible{outline:3px solid #176b73;outline-offset:4px}
body[data-research-design] .hero :is(a,button):focus-visible{outline-color:#d0edbe}
body[data-research-design] .research-enter{animation:research-enter .6s ease both}
@keyframes research-enter{from{opacity:.5;transform:translateY(14px)}to{opacity:1;transform:none}}
@media(min-width:1024px){body[data-research-design] .summary-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}body[data-research-design] .path-card{padding:26px 22px}}
@media(max-width:1000px){body[data-research-design] #page-home .hero{grid-template-columns:1fr 1fr;min-height:520px}body[data-research-design] #page-home .hero-image{min-height:520px}body[data-research-design] #page-home .hero-copy{padding:30px}body[data-research-design] #page-home .hero-copy h1{font-size:40px}body[data-research-design] .research-source-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){body[data-research-design] #page-home .hero{grid-template-columns:1fr;border-radius:16px}body[data-research-design] #page-home .hero-image{min-height:320px}body[data-research-design] #page-home .hero-copy h1{font-size:clamp(35px,7.5vw,50px);max-width:16ch}body[data-research-design] #page-home #hero-description{font-size:17px}body[data-research-design] #page-home .hero-copy{padding:32px 26px}body[data-research-design] .hx-slide{grid-template-columns:1fr}body[data-research-design] .hx-slide figure{min-height:240px}body[data-research-design] .research-section-heading{display:block}body[data-research-design] .research-section-heading>p{margin-top:18px}body[data-research-design] #home-calculator-directory{padding:20px}body[data-research-design] .hx-section{margin-block:38px}body[data-research-design] .audience-strip{gap:10px;padding-block:20px}body[data-research-design] .audience-strip>span{width:100%}}
@media(max-width:480px){body[data-research-design] .research-source-grid{grid-template-columns:1fr}body[data-research-design] .research-source{padding:24px}body[data-research-design] #page-home .hero-image{min-height:270px}body[data-research-design] #page-home .hero-actions{align-items:flex-start;flex-direction:column}body[data-research-design] .hero-bottom>span{font-size:11px}body[data-research-design] .hx-slide figure{min-height:215px}body[data-research-design] .hx-slide-copy{padding:25px}body[data-research-design] .research-source-section{margin-block:38px}}
@media(prefers-reduced-motion:reduce){body[data-research-design] *,body[data-research-design] *:before{animation:none!important;transition:none!important;scroll-behavior:auto!important}body[data-research-design] :is(.path-card,.hx-journey,.research-source):hover{transform:none}}
@media print{body[data-research-design] .research-enter{animation:none}body[data-research-design] .hero-copy{background:#fff;color:#000}body[data-research-design] .research-source{break-inside:avoid}}
/* Keep the original field photograph as the cover background. */
@media(min-width:761px){body[data-research-design] #page-home .hero{grid-template-columns:1fr;min-height:620px}body[data-research-design] #page-home .hero-image{position:absolute;inset:0;width:100%;height:100%;min-height:0;z-index:-1}body[data-research-design] #page-home .hero-copy{width:60%;max-width:820px;min-height:620px;background:linear-gradient(90deg,#103746f5 0%,#103746eb 70%,#10374680 90%,#10374600 100%)}body[data-research-design] #page-home .hero-copy:before{background:transparent}body[data-research-design] #page-home #cover-image{object-position:center}body[data-research-design] #page-home #hero-credit{bottom:20px;right:20px}}
@media(max-width:760px){body[data-research-design] #page-home .hero-image{grid-row:1;min-height:260px}body[data-research-design] #page-home .hero-copy{grid-row:2}body[data-research-design] #page-home #cover-image{object-position:center 45%}}