/* Cedar Rapids Water — shared design system (v2: Established & Trustworthy).
   Palette: warm cream paper, deep navy structure, brass accent. Zilla Slab + Source Sans 3.
   CLASS INVENTORY (unchanged from v1 — same markup, new skin):
   header.inner · .wrap · .eyebrow · .page-hero(>img,.ph-scrim,.ph-copy,.crumbs,h1,.sub,.ctas)
   section.blk(.tight) · .sec-head · .prose · .stat-chips · .btn(.primary/.ghost)
   .split(>div,figure.sidefig) · .cost-table · .faq · .cta-band(.bg) · .related-grid/.rel · footer
*/
:root{
  --paper:#F6F1E8;      /* warm cream */
  --paper-2:#EDE4D5;    /* deeper cream, alt sections */
  --card:#FFFFFF;
  --navy:#16324F;       /* deep navy — structure */
  --navy-2:#1F4165;
  --navy-deep:#0E2437;  /* footer / hero scrim */
  --brass:#B07B3A;      /* accent */
  --brass-deep:#8B5E27;
  --brass-soft:#D8BA8B;
  --ink:#1D2833;        /* body text */
  --stone:#5C6771;      /* muted text */
  --line:rgba(29,40,51,.14);
  --line-2:rgba(29,40,51,.09);
  --r:12px;
  --disp:'Zilla Slab',Georgia,'Times New Roman',serif;
  --body:'Source Sans 3',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--disp);line-height:1.12;letter-spacing:-.01em;font-weight:700;color:var(--navy)}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:1140px;margin:0 auto;padding:0 clamp(20px,4vw,44px)}
.eyebrow{font-family:var(--body);font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brass-deep)}

/* header */
header.inner{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;justify-content:space-between;align-items:center;
  padding:14px clamp(20px,4vw,44px);color:#fff;background:var(--navy);border-bottom:2px solid var(--brass)}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--disp);font-weight:700;font-size:20px;color:#fff}
.brand svg{width:26px;height:26px;flex:none}
header.inner nav{display:flex;gap:26px;align-items:center}
header.inner nav a{color:rgba(255,255,255,.82);font-size:15px;font-weight:600}
header.inner nav a:hover{color:#fff}
.callbtn{font-weight:700;font-size:14.5px;color:#fff;background:var(--brass);padding:10px 17px;border-radius:8px;transition:background .2s}
.callbtn:hover{background:var(--brass-deep)}
@media(max-width:880px){header.inner nav a:not(.callbtn){display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:16px;padding:14px 24px;border-radius:8px;
  transition:transform .14s,background .2s,box-shadow .2s;cursor:pointer;border:0;font-family:var(--body)}
.btn.primary{background:var(--brass);color:#fff;box-shadow:0 8px 22px -12px rgba(139,94,39,.9)}
.btn.primary:hover{transform:translateY(-1px);background:var(--brass-deep)}
.btn.ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn.ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* page hero */
.page-hero{position:relative;min-height:60svh;display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:var(--navy-deep)}
.page-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ph-scrim{position:absolute;inset:0;background:
  linear-gradient(0deg,rgba(9,24,37,.92) 0%,rgba(9,24,37,.6) 34%,rgba(9,24,37,.15) 68%,rgba(9,24,37,.35) 100%)}
.ph-copy{position:relative;z-index:2;width:100%;max-width:1140px;margin:0 auto;padding:128px clamp(20px,4vw,44px) 46px}
.crumbs{font-size:13px;font-weight:600;letter-spacing:.03em;color:var(--brass-soft);display:flex;gap:9px;flex-wrap:wrap}
.crumbs a{color:var(--brass-soft)}.crumbs a:hover{color:#fff}.crumbs b{color:#fff;font-weight:600}
.crumbs span{opacity:.5}
.page-hero h1{font-size:clamp(34px,5vw,58px);margin:14px 0 0;color:#fff;max-width:18ch;line-height:1.06}
.page-hero .sub{margin-top:15px;max-width:52ch;font-size:18px;color:rgba(255,255,255,.9)}
.page-hero .ctas{margin-top:24px;display:flex;gap:13px;flex-wrap:wrap}

/* sections */
section.blk{padding:clamp(56px,8vw,100px) 0}
section.blk.tight{padding:clamp(40px,5vw,64px) 0}
section.blk.alt{background:var(--paper-2)}
.sec-head{max-width:62ch;margin-bottom:34px}
.sec-head h2{font-size:clamp(27px,3.6vw,42px);margin-top:12px}
.sec-head p{margin-top:13px;color:var(--stone);font-size:17.5px;max-width:56ch}

/* prose */
.prose{max-width:70ch}
.prose h2{font-size:clamp(25px,3vw,34px);margin:40px 0 14px}
.prose h3{font-size:22px;margin:30px 0 10px}
.prose p{margin:0 0 16px;color:#2A3540;font-size:17.5px}
.prose ul,.prose ol{margin:0 0 16px 22px;color:#2A3540;font-size:17.5px}
.prose li{margin-bottom:8px}
.prose li::marker{color:var(--brass)}
.prose strong{color:var(--navy)}
.prose a{color:var(--brass-deep);text-decoration:underline;text-decoration-color:var(--brass-soft);text-underline-offset:2px}
.prose a:hover{color:var(--navy)}
.prose .note{background:var(--paper-2);border-left:4px solid var(--brass);border-radius:0 10px 10px 0;padding:16px 20px;margin:22px 0;font-size:16.5px;color:#2A3540}

/* data chips — plain, not mono */
.stat-chips{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.stat-chips span{font-size:14px;font-weight:600;color:var(--navy);background:var(--card);border:1px solid var(--line);border-radius:999px;padding:8px 15px}

/* split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,56px);align-items:start}
@media(max-width:840px){.split{grid-template-columns:1fr}}
figure.sidefig{position:sticky;top:92px;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--card)}
figure.sidefig img{width:100%;object-fit:cover}
figure.sidefig figcaption{font-size:13px;font-weight:600;color:var(--stone);padding:12px 16px}

/* cost table */
.cost-table{width:100%;border-collapse:collapse;margin:18px 0 10px;background:var(--card);border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.cost-table th{font-family:var(--disp);font-weight:600;font-size:14px;letter-spacing:.02em;text-align:left;color:#fff;background:var(--navy);padding:14px 18px}
.cost-table td{padding:14px 18px;border-top:1px solid var(--line);font-size:16px;color:#2A3540}
.cost-table td:last-child{font-weight:700;color:var(--navy);white-space:nowrap}

/* faq */
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{font-family:var(--disp);font-weight:600;font-size:20px;color:var(--navy);cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--body);color:var(--brass);font-size:26px;line-height:1;transition:transform .2s;flex:none}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:13px;color:var(--stone);max-width:66ch;font-size:16.5px}
.faq details a{color:var(--brass-deep);text-decoration:underline}

/* CTA band */
.cta-band{position:relative;border-radius:16px;overflow:hidden;color:#fff;padding:clamp(30px,4.5vw,52px);
  display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;border:1px solid var(--navy-deep)}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(9,24,37,.95) 38%,rgba(22,50,79,.78));z-index:0}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,36px);max-width:22ch}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.86);max-width:46ch;font-size:16.5px}
.cta-band .bg{position:absolute;inset:0;z-index:-1}
.cta-band .bg img{width:100%;height:100%;object-fit:cover}

/* related */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:840px){.related-grid{grid-template-columns:1fr}}
.rel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;transition:transform .15s,box-shadow .2s;border-top:3px solid var(--brass)}
.rel:hover{transform:translateY(-2px);box-shadow:0 16px 30px -22px rgba(22,50,79,.55)}
.rel h3{font-size:19.5px}
.rel p{color:var(--stone);font-size:15px;margin-top:7px}
.rel .go{margin-top:13px;font-size:13.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--brass-deep);display:inline-block}

/* footer */
footer{background:var(--navy-deep);color:rgba(255,255,255,.66);padding:56px 0 28px;font-size:15px;margin-top:clamp(40px,6vw,72px)}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.12)}
@media(max-width:720px){footer .cols{grid-template-columns:1fr 1fr}}
footer h5{font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brass-soft);margin-bottom:14px}
footer a{display:block;color:rgba(255,255,255,.66);padding:3px 0}
footer a:hover{color:#fff}
footer .fbrand{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--disp);font-weight:700;font-size:19px;margin-bottom:12px}
footer .legal{padding-top:20px;font-size:13px;color:rgba(255,255,255,.45);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}