/* Visual refinement of the supplied frontend-design.css.
   Brand palette and approved copy are intentionally retained. */
:root{--water-surface:#edf3f1;--water-line:#d2dfdc;--brand-mist:#f4efff;--surface-shadow:0 18px 54px #37245b08}
body{background:#fbfcfc;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
::selection{background:#e3d7ff;color:var(--dark)}
.utility-bar{font-size:11px;letter-spacing:.015em;padding-top:8px;padding-bottom:8px}
.site-header{background:#fff;border-color:#e9eeec;box-shadow:0 6px 24px #37245b03}
.header-inner{padding-top:22px;padding-bottom:22px;background:#fff}
.site-header nav{gap:24px}.site-header nav>a:not(.nav-contact){text-underline-offset:7px}
.site-header nav>a:not(.nav-contact):hover{text-decoration:underline;text-decoration-thickness:1px}
.nav-contact{border-color:#d9cee9;background:#fff}
.dropdown-panel{padding:10px;background:#fff;border-color:#e5e2ed;box-shadow:0 20px 60px #37245b12;border-radius:14px}
.dropdown-panel a{transition:background .2s}.dropdown-panel a:hover{background:var(--brand-mist)}
.button{min-height:50px;border-radius:8px;transition:transform .2s,background .2s,box-shadow .2s;letter-spacing:.005em}
.button:not(.secondary):not(.amazon-button){box-shadow:0 5px 15px #7149ed14}
.button:not(:disabled):hover{transform:translateY(-2px);box-shadow:0 9px 24px #7149ed20}
.button.secondary{border-color:#cabfde;background:#ffffff80}
.model-chip{border-color:#d8cdec;background:#ffffffb5;letter-spacing:.04em;font-size:12px}
.eyebrow,.section-kicker{letter-spacing:.035em}
.hero{position:relative;isolation:isolate;background:radial-gradient(ellipse at 78% 20%,#ffffffc9 0,transparent 48%),linear-gradient(125deg,#edf3f1 10%,#e4eeeb 72%,#ece7f8);min-height:660px;border-radius:0 0 32px 32px;border:1px solid #e2eae7;border-top:0;padding-top:68px;padding-bottom:58px}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:url("assets/water-contours.svg") center/cover no-repeat;pointer-events:none}
.hero-context{display:inline-block;padding:0 0 0 13px;border-left:2px solid var(--purple);font-size:13px;letter-spacing:.025em}
.hero h1{font-weight:600;letter-spacing:-.055em;line-height:1.02}
.hero .lead{color:#52615e}.hero-note{letter-spacing:.035em}
.product-orbit{width:80%;top:5%;left:9%;border-color:#c0d2cd;background:radial-gradient(ellipse at 35% 25%,#ffffffed,transparent 65%);box-shadow:0 0 0 26px #ffffff20,0 0 0 27px #c0d2cd4d,0 0 0 54px #ffffff12}
.hero-art>img{filter:drop-shadow(0 22px 22px #37245b0d)}
.hero-product-label{background:#ffffff94;border:1px solid #ffffffd9;border-radius:12px;padding:17px 19px;backdrop-filter:blur(8px);bottom:0;left:8%;right:0;box-shadow:0 8px 28px #37245b05}
.hero-product-label strong{font-size:23px}.hero-product-label svg{color:var(--purple)}
.home-collection{padding-top:100px}.section-heading h2{font-weight:500}
.product-grid{gap:42px 30px}
.product-image,.handheld-card .product-image,.overhead-card .product-image,.faucet-card .product-image{position:relative;overflow:hidden;border:1px solid #dde6e2;border-radius:20px;background:radial-gradient(ellipse at 50% 28%,#fff 0,#edf3f1 67%,#e5eeeb 100%);box-shadow:inset 0 1px 0 #fff;transition:border-color .25s,box-shadow .25s}
.overhead-card .product-image{background:radial-gradient(ellipse at 50% 28%,#fff 0,#f0ecf7 75%,#e9e3f3 100%)}
.faucet-card .product-image{background:radial-gradient(ellipse at 50% 28%,#fff 0,#e9f0f1 75%,#e1e9eb 100%)}
.product-image::before{content:"";position:absolute;inset:14px;border:1px solid #ffffffb3;border-radius:14px;pointer-events:none}
.product-image img{transition:transform .45s cubic-bezier(.2,.7,.3,1);position:relative}
.product-card:hover .product-image{border-color:#c0addf;box-shadow:var(--surface-shadow)}
.product-card:hover .product-image img{transform:scale(1.035)}
.card-label{padding-top:25px}.card-label h3{font-size:23px;line-height:1.18;letter-spacing:-.025em}
.card-action{padding-top:16px;border-color:#e1e7e4}.card-action svg{transition:transform .2s}
.product-card:hover .card-action svg{transform:translateX(4px)}
.inline-stage{position:relative;overflow:hidden;border:1px solid #d6e3de;border-radius:32px;background:radial-gradient(ellipse at 35% 20%,#fff,#e2eeea 68%);box-shadow:inset 0 0 0 14px #ffffff30}
.inline-stage::before{content:"";position:absolute;width:74%;aspect-ratio:1;border:1px solid #bdcec7;border-radius:50%;box-shadow:0 0 0 25px #ffffff3d,0 0 0 26px #bdcec747;pointer-events:none}
.inline-stage img{position:relative;filter:drop-shadow(0 16px 18px #37245b0d)}
.inline-facts>div{padding:15px 0}.inline-facts dt{font-size:13px}
.replacement-section{background:#fff;border-block:1px solid #e7edeb;padding-block:82px}
.cartridge-map a{background:#fff;border:1px solid #e5e8e9;border-radius:14px;padding:18px;transition:box-shadow .25s,border-color .25s,transform .25s}
.cartridge-map a:hover{background:#fff;border-color:#c4b0e6;box-shadow:0 12px 32px #37245b08;transform:translateY(-3px)}
.cartridge-thumb{background:radial-gradient(ellipse at center,#fff 45%,#f1f5f3);border-radius:10px;border:1px solid #f1f3f2}
.cartridge-map .cartridge-title{line-height:1.4}.cartridge-map strong{letter-spacing:-.025em}
.breadcrumbs{font-size:12px;letter-spacing:.015em}.breadcrumbs span[aria-hidden]{color:#b5bdb9}
.product-hero{padding-top:44px;padding-bottom:90px}
.detail-image,.cartridge-photo{position:relative;isolation:isolate;overflow:hidden;border:1px solid #dce6e2;border-radius:24px;background:radial-gradient(ellipse at 40% 20%,#fff 0,#edf3f1 62%,#e2ece8 100%);box-shadow:inset 0 0 0 12px #ffffff30}
.detail-image::before{content:"";position:absolute;width:78%;aspect-ratio:1;left:11%;top:13%;border:1px solid #cadbd4;border-radius:50%;box-shadow:0 0 0 28px #ffffff30,0 0 0 29px #cadbd447;z-index:-1;pointer-events:none}
.detail-image img{filter:drop-shadow(0 20px 24px #37245b0b)}
.cartridge-photo{background:radial-gradient(ellipse at 50% 36%,#fff 55%,#edf3f1 100%)}
.detail-copy .eyebrow{padding-left:12px;border-left:2px solid var(--purple)}
.detail-copy h1{letter-spacing:-.045em}.detail-copy .model{font-weight:500}
.specs{border-top:1px solid #dfe6e2}.specs>div{padding:16px 0;border-color:#e3e9e6}
.specs>div:nth-child(even){background:#edf3f13d}.specs dt{font-size:13px}.specs dd{font-weight:500}
.purchase-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:0 0 32px}
.purchase-actions>.button{margin:0}
.button.amazon-button{background:#fff;color:var(--dark);border:1px solid #c4b3df;box-shadow:none;gap:10px;opacity:1;cursor:not-allowed;white-space:nowrap}
.amazon-button svg{width:18px;height:18px;color:var(--purple)}
.amazon-button .amazon-external{font-size:17px;color:var(--purple);margin-left:4px}
.complete-guide,.illustrated-replacement{border-top:1px solid #e3eae7}
.guide-figure{border-color:#e0e7e3;border-radius:16px;box-shadow:0 8px 30px #37245b03;padding:20px}
.guide-figure figcaption{font-size:12px;letter-spacing:.01em}
.guide-body h3{font-size:23px}.guide-index-card{background:#f0f5f2;border:1px solid #e0e8e3;border-radius:14px;transition:background .2s,border-color .2s}
.guide-index-card:hover{border-color:#c6b4df;background:#f6f2fc}
.shower-flush .guide{border-radius:16px;border:1px solid #dbe7e1;background:linear-gradient(115deg,#edf3f1,#f3f7f4);box-shadow:none}
.page-intro{position:relative}.page-intro .eyebrow{color:var(--purple)}
.story-intro{background:radial-gradient(ellipse at 85% 18%,#e7f0ec99,transparent 53%)}
.brand-story>img{border:1px solid #edf0ed;box-shadow:var(--surface-shadow)}
.story-science-grid article{border-color:#dce6e0;border-radius:14px;box-shadow:0 7px 24px #37245b03}
.story-number{font-weight:400}.story-process{border:1px solid #e4dcef;background:linear-gradient(115deg,#f4efff,#edf3f1)}
.story-table-scroll{border-color:#dce6e0;box-shadow:0 8px 25px #37245b03}.story-table thead th{background:#f2eef9}
.story-table tbody tr:nth-child(even){background:#f6f9f7}.story-table td{line-height:1.8}
.story-statement{position:relative;isolation:isolate;overflow:hidden;background:linear-gradient(115deg,#f4efff,#edf3f1)}
.story-statement::before{content:"";position:absolute;inset:0;background:url("assets/water-contours.svg") center/cover no-repeat;opacity:.7;z-index:-1;pointer-events:none}
.story-principles article{border-top:2px solid #d8c7f3}.story-sources{border-top:1px solid #e7edeb}
.faq-category-nav a{border-radius:8px;border-color:#ded5e9;transition:background .2s,color .2s}
.faq-category-heading{padding-left:20px;border-left:2px solid #b499e6}.faq-category-heading h2{font-weight:500}
.faq-hub .faq-group-grid details{border-color:#e0e7e3}.faq-hub .faq-group-grid details[open]{background:linear-gradient(120deg,#f5f1fc70,#f0f6f370)}
.faq-hub .faq-group-grid summary{padding-block:2px}.faq-hub .faq summary::after{font-weight:400}
.faq-hub .faq-answer{padding-top:2px;padding-bottom:12px}
.cta{border-top:1px solid #e6ece8}.cta h2{letter-spacing:-.04em}
.water-use-notice{background:#f4efff;border-top-color:#e5dcf4}
footer{position:relative;isolation:isolate;overflow:hidden;background:#7149ed}
footer::before{content:"";position:absolute;inset:0;background:url("assets/water-contours.svg") center 55%/cover no-repeat;opacity:.12;z-index:-1;pointer-events:none}
.footer-top{padding-top:72px;padding-bottom:72px}.footer-brand{font-size:38px}.footer-brand span{letter-spacing:.1em;font-size:11px}
.footer-top>div>a:not(.footer-brand){font-size:14px;margin:12px 0}.footer-top>div>a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{border-top-color:#ffffff30}
.form-panel{border:1px solid #e0e7e3;border-radius:18px;background:#fff;box-shadow:var(--surface-shadow)}
.field input,.field select,.field textarea{border-radius:7px;border-color:#d8e2dc}
@media(min-width:1441px){.hero{margin-top:24px;border-radius:26px;border-top:1px solid #e2eae7}}
@media(max-width:1200px) and (min-width:1081px){.site-header nav{gap:15px}.purchase-actions{gap:10px}.purchase-actions .button{padding:13px 18px;font-size:13px}}
@media(max-width:1080px){.site-header nav{gap:0}.header-inner{padding-block:18px}.hero{min-height:580px}.hero-product-label{left:2%;padding:14px}.hero-product-label>span{gap:3px}.product-grid{gap:34px 24px}.product-hero{padding-top:32px;padding-bottom:65px}.purchase-actions .button{padding:13px 17px;font-size:13px}.guide-figure{padding:14px}.detail-image{border-radius:20px}}
@media(max-width:700px){.hero{border-radius:0 0 22px 22px;padding-top:38px;padding-bottom:26px;min-height:0}.hero-context{font-size:11px}.hero-art{padding-bottom:76px}.hero-product-label{left:0;right:0;bottom:0;padding:13px}.hero-product-label>span{flex-direction:row;align-items:center;gap:12px}.hero-product-label span span{font-size:11px}.product-orbit{box-shadow:0 0 0 18px #ffffff20,0 0 0 19px #c0d2cd4d}.product-grid{gap:28px 16px}.card-label h3{font-size:18px}.product-image::before{inset:9px;border-radius:10px}.inline-stage{border-radius:22px}.replacement-section{padding-block:55px}.cartridge-map a{padding:12px}.cartridge-map .cartridge-title{font-size:14px}.detail-image{border-radius:18px}.detail-copy .eyebrow{padding-left:10px}.purchase-actions{gap:10px;margin-bottom:26px}.purchase-actions .button{min-height:47px;font-size:12px;padding:12px 16px}.specs>div{padding:13px 0}.guide-body h3{font-size:21px}.guide-figure{padding:12px}.faq-category-heading{padding-left:14px}.faq-category-nav a{border-radius:7px}.footer-top{padding-top:48px;padding-bottom:48px}.footer-top>div>a:not(.footer-brand){font-size:12px}.footer-brand{font-size:34px}.home-collection{padding-top:60px}}
@media(prefers-reduced-motion:reduce){.button,.product-image,.product-image img,.card-action svg,.cartridge-map a{transition:none}.button:not(:disabled):hover,.product-card:hover .product-image img,.cartridge-map a:hover,.product-card:hover .card-action svg{transform:none}}

.button.amazon-button:disabled:hover{background:#fff;color:var(--dark);border-color:#c4b3df;box-shadow:none;transform:none}
a.button.amazon-button{cursor:pointer}

/* Two type families: Jost for the interface and body; existing display art retained. */
body{font-synthesis:none}
.site-header nav,.site-header .menu-toggle,.dropdown-panel,.nav-contact{font-family:var(--body)}
.site-header nav{font-weight:500;letter-spacing:.018em}
.site-header .nav-contact{font-weight:500;letter-spacing:.025em}
.product-dropdown summary>span{font-weight:400;letter-spacing:0}
.dropdown-panel strong,.model-chip,.hero-product-label strong{font-family:var(--body);font-weight:500}
.dropdown-panel span{font-family:var(--body);font-size:13px;letter-spacing:.01em}
.button,.faq-category-nav,.faq-number,.eyebrow,.section-kicker{font-family:var(--body)}
.button{font-weight:500;letter-spacing:.025em}
.model-chip{letter-spacing:.045em}
.specs,.inline-facts,.story-table{font-variant-numeric:lining-nums tabular-nums}
@media(min-width:1201px){.site-header nav{font-size:19px;gap:24px}}
@media(min-width:1081px) and (max-width:1200px){.site-header nav{font-size:18px;gap:15px}}
@media(max-width:1080px){.site-header nav{font-size:18px;letter-spacing:.015em}}

/* Slightly larger Jost text, retaining the existing display-heading sizes. */
body{font-size:17px}
.brand-story p,.story-principles p:not(.eyebrow),.story-science-grid p,.section-heading>p,.care-copy p,.guide p,.guide-body>p,.care-steps li{font-size:16px}
.card-label p{font-size:15px}.card-action,.text-link{font-size:15px}
.button{font-size:15px}.eyebrow,.section-kicker{font-size:15px}
.specs dt,.specs dd,.inline-facts dt,.inline-facts dd{font-size:14px}
.story-note,.guide-figure figcaption,.story-sources li,.story-sources li p{font-size:14px}
.faq-hub .faq-answer{font-size:15px}.story-table{font-size:15px}
.footer-top>div>a:not(.footer-brand){font-size:15px}
@media(min-width:1201px){.site-header nav{font-size:20px}}
@media(min-width:1081px) and (max-width:1200px){.site-header nav{font-size:19px;gap:13px}}
@media(min-width:1081px){.faq-hub .faq-group-grid summary{font-size:17px}}
@media(max-width:1080px){.site-header nav{font-size:19px}}
@media(max-width:700px){body{font-size:16px}.brand-story p,.story-principles p:not(.eyebrow),.story-science-grid p,.section-heading>p,.care-copy p,.guide p,.guide-body>p,.care-steps li{font-size:15px}.card-label p{font-size:13px}.card-action{font-size:13px}.button,.purchase-actions .button{font-size:13px}.eyebrow,.section-kicker{font-size:13px}.specs dt,.specs dd{font-size:13px}.story-note,.guide-figure figcaption,.story-sources li p{font-size:13px}.footer-top>div>a:not(.footer-brand){font-size:13px}}

/* Live Amazon product links keep the outlined purchase treatment on hover. */
a.button.amazon-button:hover{background:#f4efff;color:var(--dark);border-color:var(--purple)}