/* Danu Water site styles. Palette and type match the product sheets.
   Shared by every page except the impact explorers. */
:root{
  --ink:#0D2B2E; --teal:#0B6E69; --teal-deep:#084F4B; --teal-light:#7CC4BC; --panel:#DCEEEC;
  --body:#2E4A4C; --muted:#4A6466; --soft:#516E6C; --line:#C5D4D2; --mist:#F4F7F6; --paper:#FFFFFF;
  --head:"Space Grotesk",system-ui,sans-serif; --sans:Inter,system-ui,sans-serif;
  --wide:72rem; --text:42rem;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--body);font-family:var(--sans);font-size:1.03rem;line-height:1.6}
h1,h2,h3,h4{font-family:var(--head);color:var(--ink);line-height:1.12;letter-spacing:-.015em;margin:0 0 .6em;font-weight:700}
h1{font-size:clamp(2.1rem,5vw,3.5rem);letter-spacing:-.025em}
h2{font-size:clamp(1.5rem,2.8vw,2.05rem)}
h3{font-size:1.18rem;font-weight:600}
p{margin:0 0 1em}
a{color:var(--teal);text-underline-offset:.18em}
a:hover{color:var(--teal-deep)}
:focus-visible{outline:3px solid var(--teal-light);outline-offset:3px;border-radius:3px}
img,svg,video{max-width:100%}
.wrap{max-width:var(--wide);margin:0 auto;padding:0 1.25rem}
.measure{max-width:var(--text)}
.lede{font-size:1.15rem;color:var(--muted);max-width:40rem}
.muted{color:var(--muted)}
.skip{position:absolute;left:-999px;top:0;background:var(--teal);color:#fff;padding:.5rem 1rem;z-index:200}
.skip:focus{left:1rem}
/* Small section labels, as on the product sheets */
.small-head,.fam{font-family:var(--sans);font-size:.8rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--soft);margin:0 0 .7rem}
.fam{color:var(--teal)}

/* Header */
.site-head{position:sticky;top:0;z-index:100;background:var(--ink);color:#e6f1f0}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:4rem;gap:1rem}
.logo{display:flex;align-items:center;gap:.55rem;color:#fff;text-decoration:none;font-family:var(--head);font-weight:700;font-size:1.15rem}
.logo svg{width:28px;height:28px;flex:none}
.logo:hover{color:#fff}
.nav ul{list-style:none;display:flex;gap:1.6rem;margin:0;padding:0}
.nav a{color:#c3d6d4;text-decoration:none;font-size:.95rem;font-weight:500;padding:.35rem 0;border-bottom:2px solid transparent}
.nav a:hover{color:#fff}
.nav a[aria-current="page"]{color:#fff;border-bottom-color:var(--teal-light)}
.nav-toggle{display:none;background:none;border:1px solid #3d5c5f;color:#fff;border-radius:6px;padding:.4rem .7rem;font:500 .9rem var(--sans)}
@media (max-width:860px){
  .nav-toggle{display:block}
  .nav{position:absolute;top:4rem;left:0;right:0;background:var(--ink);display:none;border-top:1px solid #1d4245}
  .nav.open{display:block}
  .nav ul{flex-direction:column;gap:0;padding:.5rem 1.25rem 1rem}
  .nav a{display:block;padding:.75rem 0;border-bottom:1px solid #1d4245}
  .nav a[aria-current="page"]{border-bottom-color:#1d4245;color:var(--teal-light)}
}

/* Buttons */
.btn{display:inline-block;font:600 1rem var(--sans);text-decoration:none;border-radius:8px;padding:.8rem 1.35rem;border:2px solid var(--teal);background:var(--teal);color:#fff;line-height:1.2}
.btn:hover{background:var(--teal-deep);border-color:var(--teal-deep);color:#fff}
.btn.ghost{background:transparent;color:inherit;border-color:currentColor}
.btn.ghost:hover{background:rgba(124,196,188,.15);color:inherit}
.actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.75rem}

/* Sections */
.band{padding:clamp(3.25rem,7vw,5.5rem) 0}
.band.mist{background:var(--mist)}
.band.dark{background:var(--ink);color:#e6f1f0}
.band.dark h2,.band.dark h3{color:#fff}
.band.dark .lede{color:#b3cbc8}
.band.dark .btn{background:var(--teal-light);border-color:var(--teal-light);color:var(--ink)}
.band.dark .btn:hover{background:#a5dbd4;border-color:#a5dbd4}
.band.dark .btn.ghost{background:transparent;color:#e6f1f0;border-color:#e6f1f0}
.head-row{display:flex;justify-content:space-between;align-items:end;gap:1rem;flex-wrap:wrap;margin-bottom:2rem}
.head-row h2{margin:0}

/* Hero and page heads */
.hero{background:var(--ink);color:#e6f1f0;padding:clamp(3rem,7vw,5.5rem) 0 clamp(2.5rem,5vw,4rem)}
.hero h1{color:#fff;max-width:14ch}
.hero .lede{color:#b3cbc8}
.hero .btn.ghost{color:#fff}
.hero-flow{margin-top:clamp(2.5rem,5vw,3.5rem);background:var(--mist);border-radius:14px;padding:1.25rem}
.page-head{background:var(--ink);color:#e6f1f0;padding:clamp(2.75rem,6vw,4.25rem) 0 clamp(2.25rem,5vw,3.25rem)}
.page-head h1{color:#fff;max-width:24ch}
.page-head .lede{color:#b3cbc8}
.crumbs{font-size:.9rem;margin-bottom:1.25rem;color:#8eaeab}
.crumbs a{color:#a9dcd5}
.page-head.light{background:var(--mist);color:var(--body);border-bottom:1px solid var(--line)}
.page-head.light h1{color:var(--ink);font-size:clamp(2.4rem,6vw,3.9rem);margin-bottom:.2em}
.page-head.light .crumbs{color:var(--soft)}
.page-head.light .crumbs a{color:var(--teal)}
.tagline{font-size:clamp(1.15rem,2.4vw,1.45rem);color:var(--muted);margin:0}

/* Flow diagrams (light, as on the product sheets) */
.diagram-card{margin:0;background:var(--mist);border-radius:14px;padding:1.5rem}
.band.mist .diagram-card{background:#fff;border:1px solid var(--line)}
.diagram-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.diagram{display:block;width:100%;height:auto;margin:0 auto}
@media (max-width:760px){.diagram{min-width:var(--minw)}}
.diagram-scroll:focus-visible{outline:3px solid var(--teal-light);outline-offset:4px;border-radius:6px}
.dn-step rect{fill:#fff;stroke:var(--line);stroke-width:1.5}
.dn-prod rect{fill:var(--teal)}
.dn-opt rect{fill:var(--panel);stroke:var(--teal);stroke-width:1.5;stroke-dasharray:5 4}
.diagram text{font-family:var(--sans);font-size:13px}
.diagram .t{font-weight:700;font-size:13.5px}
.dn-step text{fill:var(--ink)}
.dn-step .s{fill:var(--muted)}
.dn-prod text{fill:#fff}
.dn-prod .s{fill:#d3ebe8}
.dn-opt text{fill:var(--ink)}
.dn-opt .s{fill:var(--muted)}
.diagram a:hover .dn-prod rect{fill:var(--teal-deep)}
.diagram a:hover .dn-opt rect{fill:#c8e5e1}
.diagram a:focus-visible rect{stroke:var(--teal-light);stroke-width:4}
.dl{fill:none;stroke:var(--soft);stroke-width:2}
.dp{fill:none;stroke:var(--teal);stroke-width:2}
.dp.dash{stroke-dasharray:5 4}
.dlab{fill:var(--soft);font-size:12.5px}
.legend{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;margin:1rem 0 0;font-size:.88rem;color:var(--muted)}
.lg{display:inline-flex;align-items:center;gap:.5rem}
.sw{display:inline-block;width:18px;height:12px;border-radius:3px}
.sw.prod{background:var(--teal)}
.sw.dash{height:0;border-top:2px dashed var(--teal);border-radius:0}
.sw.line{height:0;border-top:2px solid var(--teal);border-radius:0}
.scroll-hint{display:none;font-size:.85rem;color:var(--soft);margin:.6rem 0 0}
@media (max-width:760px){.scroll-hint{display:block}}
.footnote{font-size:.88rem;color:var(--soft);max-width:var(--text);margin-top:1rem}

/* Sector tiles */
.tiles{list-style:none;margin:2rem 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(16.5rem,1fr));gap:1rem}
.tiles a{display:block;height:100%;text-decoration:none;color:inherit;border:1px solid var(--line);border-radius:12px;padding:1.3rem 1.35rem;background:#fff;border-top:4px solid var(--teal)}
.tiles a:hover{border-color:var(--teal)}
.tiles a:hover h3{color:var(--teal);text-decoration:underline;text-underline-offset:.18em}
.tiles h3{margin:0 0 .45rem;font-size:1.2rem}
.tiles p{margin:0;font-size:.95rem;color:var(--muted)}

/* Sector page */
.jobs-note{background:var(--panel);border-radius:12px;padding:1.25rem 1.5rem;margin:1.75rem 0 2.25rem}
.jobs-note h3{font-size:1.05rem;margin:0 0 .35rem}
.jobs-note p{margin:0;color:var(--body);max-width:60rem}
.products{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(15.5rem,1fr));gap:1rem}
.products a{display:flex;flex-direction:column;height:100%;text-decoration:none;color:inherit;background:#fff;border:1px solid var(--line);border-radius:12px;padding:1.25rem 1.3rem}
.products li.opt a{border-style:dashed;border-color:var(--teal)}
.products a:hover{border-color:var(--teal)}
.products h3{font-size:1.4rem;margin:0 0 .4rem}
.products p{font-size:.95rem;color:var(--muted);margin:0}
.products .fam{margin-bottom:.4rem}
.products .go{margin-top:auto;padding-top:1rem;font-weight:600;color:var(--teal)}
.products a:hover .go{text-decoration:underline}
.also{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0;margin:0}
.also a{display:block;font-size:.93rem;border:1px solid var(--line);border-radius:999px;padding:.35rem .9rem;text-decoration:none;color:var(--body);background:#fff}
.also a:hover{border-color:var(--teal);color:var(--teal)}

/* Product listing */
.listing{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,26rem);gap:3rem;align-items:start}
@media (max-width:900px){.listing{grid-template-columns:1fr;gap:2rem}}
.listing .small-head{margin-top:1.75rem}
.listing .small-head:first-child{margin-top:0}
.listing p{max-width:var(--text)}
.ticks{margin:0;padding-left:1.15rem;max-width:var(--text)}
.ticks li{margin-bottom:.4rem}
.illus{display:grid;grid-template-columns:1fr 1fr;gap:1rem;background:#fff;border:1px solid var(--line);border-radius:14px;padding:1.5rem 1.25rem}
.illus figure{margin:0;text-align:center}
.illus svg{width:100%;max-width:150px;height:auto;display:block;margin:0 auto .75rem}
.illus figcaption{font-size:.88rem;color:var(--muted)}
.illus strong{display:block;font-size:.95rem;margin-bottom:.25rem}
.illus .bad{color:#8A4B1E}
.illus .good{color:var(--teal)}
.addon{border:1.5px dashed var(--teal);background:var(--panel);border-radius:12px;padding:1.1rem 1.25rem;margin-top:1rem}
.addon h3{margin:0 0 .3rem}
.addon p{margin:0;font-size:.95rem}
.cells{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(17rem,1fr));gap:1rem}
.cells li{border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.25rem;background:#fff}
.cells h3{font-size:1.02rem;margin:0 0 .35rem}
.cells p{margin:0;font-size:.93rem;color:var(--muted)}

/* Progress timeline (a real sequence, so it is dated) */
.timeline{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(10.5rem,1fr));row-gap:2rem}
.timeline li{padding:1.1rem 1.25rem 0 0;position:relative;border-top:2px solid var(--teal)}
.timeline li::before{content:"";position:absolute;top:-.5rem;left:0;width:.8rem;height:.8rem;border-radius:50%;background:var(--mist);border:2px solid var(--teal)}
.timeline li.done::before{background:var(--teal)}
.timeline time,.timeline .when{display:block;font-weight:700;font-size:.88rem;color:var(--teal)}
.timeline h3{font-size:1.05rem;margin:.25rem 0 .35rem}
.timeline p{font-size:.93rem;color:var(--muted);margin:0}
@media (max-width:640px){
  .timeline{grid-template-columns:1fr;border-top:0;border-left:2px solid var(--teal);padding-left:1.25rem;gap:1.25rem}
  .timeline li{padding:0;border-top:0}
  .timeline li::before{top:.3rem;left:-1.78rem}
}
.pilot-video{display:grid;grid-template-columns:minmax(0,1.6fr) 1fr;gap:2rem;align-items:center;margin-top:3rem}
.pilot-video video{width:100%;border-radius:12px;background:var(--ink);display:block}
.pilot-video h3{font-size:1.3rem}
@media (max-width:760px){.pilot-video{grid-template-columns:1fr;gap:1rem}}

/* Two column text and proof points */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:start}
@media (max-width:820px){.split{grid-template-columns:1fr}}
.proof{display:grid;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));gap:1.75rem;margin:0;padding:0;list-style:none}
.proof li{border-top:2px solid var(--teal);padding-top:.9rem}
.proof strong{display:block;font-family:var(--head);font-size:1.15rem;color:var(--ink);margin-bottom:.25rem}
.proof span{color:var(--muted);font-size:.95rem}
.people{display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:2rem}
.people h3{margin:0 0 .15rem}
.people .role{font-weight:600;color:var(--teal);margin:0 0 .5rem}
.big-link{font-family:var(--head);font-size:1.3rem;font-weight:700}

/* News */
.filters{display:flex;flex-wrap:wrap;gap:.5rem;margin:0 0 2rem}
.filters button{font:600 .92rem var(--sans);background:#fff;color:var(--body);border:1.5px solid var(--line);border-radius:999px;padding:.45rem 1rem;cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.news-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:9rem minmax(0,1fr);gap:1.5rem;padding:1.6rem 0;border-bottom:1px solid var(--line)}
.news-item[hidden]{display:none}
.news-item .meta{font-size:.9rem;color:var(--muted);display:flex;flex-direction:column;gap:.4rem}
.news-item .meta time{font-weight:700;color:var(--ink)}
.news-item h3{margin:0 0 .4rem;font-size:1.25rem}
.news-item h3 a{color:var(--ink);text-decoration:none}
.news-item h3 a:hover{text-decoration:underline}
.news-item p{margin:0;color:var(--muted);max-width:46rem}
.news-item .more{display:inline-block;margin-top:.6rem;font-weight:600;font-size:.95rem}
@media (max-width:640px){.news-item{grid-template-columns:1fr;gap:.5rem}.news-item .meta{flex-direction:row;gap:1rem}}
.tag{display:inline-block;font-size:.8rem;font-weight:700;border-radius:4px;padding:.12rem .5rem;background:var(--panel);color:var(--teal-deep);width:max-content}
.tag.linkedin{background:#e3ecf7;color:#1d4f8a}
.news-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:1.5rem;list-style:none;margin:0;padding:0}
.news-cards li{border-top:1px solid var(--line);padding-top:1rem}
.news-cards time{font-size:.86rem;font-weight:700;color:var(--soft);display:block;margin-bottom:.35rem}
.news-cards h3{font-size:1.1rem;margin:0 0 .35rem}
.news-cards h3 a{color:var(--ink);text-decoration:none}
.news-cards h3 a:hover{text-decoration:underline}
.news-cards p{font-size:.95rem;color:var(--muted);margin:0}
.article{max-width:var(--text)}

/* Impact */
.explorers{display:grid;grid-template-columns:repeat(auto-fit,minmax(17rem,1fr));gap:1.25rem;list-style:none;margin:0;padding:0}
.explorers a{display:flex;flex-direction:column;height:100%;text-decoration:none;color:inherit;background:#fff;border:1px solid var(--line);border-radius:12px;padding:1.5rem}
.explorers a:hover{border-color:var(--teal)}
.explorers a:hover h3{text-decoration:underline;text-underline-offset:.18em}
.explorers .q{font-size:.95rem;color:var(--muted);margin:0 0 1rem}
.explorers h3{font-size:1.3rem;margin:0 0 .5rem}
.explorers .go{margin-top:auto;padding-top:1rem;font-weight:700;color:var(--teal)}
.drop{width:46px;height:46px;margin-bottom:1rem}

/* CTA band */
.cta h2{max-width:22ch}

/* Footer */
.site-foot{background:#081c1e;color:#a8c0bd;padding:3rem 0 2rem;font-size:.92rem}
.site-foot .cols{display:grid;grid-template-columns:1.4fr 1.6fr 1fr 1fr;gap:2rem}
@media (max-width:860px){.site-foot .cols{grid-template-columns:1fr 1fr}}
.site-foot h2{font-family:var(--sans);font-size:.92rem;color:#fff;margin:0 0 .6rem}
.site-foot ul{list-style:none;margin:0;padding:0;display:grid;gap:.4rem}
.site-foot ul.two{grid-template-columns:1fr 1fr;column-gap:1.25rem}
.site-foot a{color:#c9dbd9;text-decoration:none}
.site-foot a:hover{color:#fff;text-decoration:underline}
.site-foot .fine{margin-top:2.5rem;padding-top:1.25rem;border-top:1px solid #1d4245;font-size:.85rem;color:#7d9996}
@media (max-width:640px){.hero-flow{display:none}}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Timeline TRL marker, sector highlights, system sizes, steps */
.trl{display:inline-block;font:700 .72rem var(--sans);letter-spacing:.04em;color:var(--teal-deep);background:var(--panel);border-radius:4px;padding:.1rem .4rem;vertical-align:.15em;margin-left:.2rem;white-space:nowrap}
.highlights{margin:0 0 2.5rem}
.highlights ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr));gap:1.25rem}
.highlights li{border-top:2px solid var(--teal);padding-top:.75rem}
.highlights strong{display:block;font-family:var(--head);font-size:clamp(1.6rem,3.5vw,2.1rem);color:var(--ink);line-height:1.1;margin-bottom:.3rem}
.highlights span{color:var(--muted);font-size:.95rem}
.sizes{width:100%;border-collapse:collapse;font-size:.95rem;font-variant-numeric:tabular-nums}
.sizes th,.sizes td{text-align:left;padding:.6rem .75rem;border-bottom:1px solid var(--line)}
.sizes th{font-size:.8rem;font-weight:700;color:var(--soft);text-transform:uppercase;letter-spacing:.06em}
.sizes td:first-child{font-weight:600;color:var(--ink)}
.steps{list-style:none;counter-reset:s;margin:1.5rem 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:1.25rem}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:12px;padding:1.25rem}
.steps li::before{content:counter(s);display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;border-radius:50%;background:var(--teal);color:#fff;font:700 .95rem var(--sans);margin-bottom:.75rem}
.steps h3{margin:0 0 .35rem;font-size:1.1rem}
.steps p{margin:0;font-size:.95rem;color:var(--muted)}
.split>*,.listing>*,.sheet-grid>*{min-width:0}
.steps li{position:relative}
.steps li.optional{border-style:dashed;border-color:var(--teal);background:var(--mist)}
.steps li.optional::before{background:#fff;color:var(--teal);border:2px dashed var(--teal)}
.opt-tag{position:absolute;top:1.25rem;right:1.25rem;font:700 .75rem var(--sans);color:var(--teal-deep);background:var(--panel);border-radius:4px;padding:.15rem .5rem}
.placard{max-width:44rem;border:1.5px dashed var(--teal);background:var(--mist);border-radius:14px;padding:2rem}
.placard h2{font-size:1.5rem}
.recognition{margin-top:3rem}
.recognition ul{list-style:none;margin:0 0 1rem;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(11.5rem,1fr));gap:1rem}
.recognition li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1rem 1.15rem}
.recognition li span{display:block;font-size:.85rem;font-weight:700;color:var(--teal)}
.recognition li strong{display:block;font-family:var(--head);font-weight:600;color:var(--ink);font-size:1.02rem;line-height:1.3;margin-top:.25rem}
.recognition li a{display:inline-block;margin-top:.4rem;font-size:.9rem;font-weight:600}