/* St. Louis Water Reviews - consumer-lab stylesheet
   Charcoal ink on white paper, emerald recommendation accents,
   boxy bordered panels, red/green pros-cons discipline.
   Jost carries headlines and UI; Georgia carries the reading voice. */

:root{
  --ink:#1f2937;
  --ink-soft:#4b5563;
  --muted:#6b7280;
  --paper:#ffffff;
  --panel:#f9fafb;
  --line:#d1d5db;
  --line-soft:#e5e7eb;
  --em:#10b981;
  --em-dark:#047857;
  --em-tint:#ecfdf5;
  --em-line:#a7f3d0;
  --red:#dc2626;
  --red-dark:#991b1b;
  --red-tint:#fef2f2;
  --red-line:#fecaca;
  --sans:'Jost',system-ui,'Segoe UI',Helvetica,Arial,sans-serif;
  --serif:Georgia,'Times New Roman',Times,serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none !important;animation:none !important}
}
body{
  margin:0;
  font-family:var(--serif);
  font-size:17px;
  line-height:1.65;
  color:var(--ink);
  background:var(--paper);
}
img,svg{max-width:100%}
a{color:var(--em-dark);text-decoration-thickness:1px;text-underline-offset:2px}
a:hover{color:var(--ink)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--em-dark);
  outline-offset:2px;
}
h1,h2,h3,h4{font-family:var(--sans);font-weight:600;line-height:1.15;color:var(--ink);margin:0 0 .5em}
p{margin:0 0 1em}
.container{max-width:1060px;margin:0 auto;padding:0 20px}

.skip-link{
  position:absolute;left:-9999px;top:0;
  background:var(--ink);color:#fff;padding:10px 16px;
  font-family:var(--sans);z-index:50;
}
.skip-link:focus{left:0}

/* ---------- top strip + header ---------- */
.topstrip{
  background:var(--ink);color:#fff;
  font-family:var(--sans);font-size:12px;font-weight:500;
  letter-spacing:.09em;text-transform:uppercase;
  padding:7px 0;
}
.topstrip .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.topstrip span{color:#d1d5db}
.topstrip strong{color:#fff;font-weight:600}

.site-head{background:#fff;border-bottom:3px solid var(--ink)}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--ink)}
.brand-mark{width:42px;height:42px;flex:none}
.brand-name{font-family:var(--sans);font-weight:700;font-size:22px;letter-spacing:.01em;line-height:1.1}
.brand-tag{font-family:var(--sans);font-size:11.5px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:2px}
.site-nav{display:flex;gap:2px;flex-wrap:wrap;font-family:var(--sans)}
.site-nav a{
  display:block;padding:8px 12px;
  border:1px solid transparent;
  text-decoration:none;color:var(--ink-soft);
  font-size:13.5px;font-weight:500;letter-spacing:.05em;text-transform:uppercase;
}
.site-nav a:hover{border-color:var(--line);background:var(--panel);color:var(--ink)}
.site-nav a.is-active{border-color:var(--ink);color:var(--ink)}

/* ---------- hero ---------- */
.hero{padding:42px 0 6px}
.kicker{
  font-family:var(--sans);font-size:12.5px;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--em-dark);
  margin:0 0 12px;
}
.hero h1{font-size:clamp(28px,4.3vw,42px);max-width:24ch;margin-bottom:14px}
.standfirst{font-size:19px;color:var(--ink-soft);max-width:64ch}
.hero-note{font-family:var(--sans);font-size:13px;color:var(--muted);max-width:70ch}
.hero-note a{color:var(--em-dark)}

/* ---------- recommendation box ---------- */
.rec-box{border:3px solid var(--em);background:#fff;margin:30px 0 10px}
.rec-head{
  background:var(--em);color:#fff;
  font-family:var(--sans);font-weight:600;font-size:13.5px;
  letter-spacing:.14em;text-transform:uppercase;
  display:flex;align-items:center;gap:10px;
  padding:10px 20px;
}
.rec-head svg{width:17px;height:17px;flex:none}
.rec-body{display:grid;grid-template-columns:1.55fr 1fr}
.rec-main{padding:26px 28px 24px}
.seal-row{display:flex;align-items:center;gap:20px;margin-bottom:14px;flex-wrap:wrap}
.seal{width:96px;height:96px;flex:none}
.rec-title h2{font-size:30px;margin:0 0 4px}
.rec-title .rec-meta{
  font-family:var(--sans);font-size:12.5px;font-weight:500;
  letter-spacing:.07em;text-transform:uppercase;color:var(--muted);
}
.rec-main > p{max-width:60ch}
.check-list{list-style:none;margin:16px 0;padding:0}
.check-list li{position:relative;padding:5px 0 5px 31px;font-size:16.5px}
.check-list li::before{
  content:"\2713";
  position:absolute;left:0;top:8px;
  width:20px;height:20px;line-height:20px;text-align:center;
  background:var(--em);color:#fff;
  font-family:var(--sans);font-weight:700;font-size:12px;
}
.limit-note{
  border:1px solid var(--line);border-left:4px solid var(--red);
  background:var(--panel);
  padding:10px 14px;font-size:15px;color:var(--ink-soft);
  margin:14px 0 4px;
}
.limit-note strong{font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--red-dark);display:block;margin-bottom:2px}
.rec-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:18px}
.phone-link{
  font-family:var(--sans);font-weight:700;font-size:21px;
  color:var(--ink);text-decoration:none;
  border-bottom:3px solid var(--em);padding-bottom:1px;
}
.phone-link:hover{color:var(--em-dark)}
.rec-actions .site-link{font-family:var(--sans);font-size:14px}

.rec-form{
  padding:26px 26px 24px;
  background:var(--em-tint);
  border-left:1px solid var(--em-line);
}
.rec-form h3{font-size:19px;margin-bottom:4px}
.rec-form .form-sub{font-family:var(--sans);font-size:13.5px;color:var(--ink-soft);margin-bottom:6px}
.quote-form label{
  display:block;
  font-family:var(--sans);font-size:12px;font-weight:600;
  letter-spacing:.09em;text-transform:uppercase;color:var(--ink-soft);
  margin:13px 0 4px;
}
.quote-form input{
  width:100%;
  padding:11px 12px;
  border:1px solid var(--line);
  border-radius:0;
  background:#fff;
  font-family:var(--serif);font-size:16px;color:var(--ink);
}
.quote-form input:focus{outline:2px solid var(--em);outline-offset:0;border-color:var(--em)}
.btn{
  display:block;width:100%;
  margin-top:18px;padding:13px 18px;
  background:var(--em);color:#fff;
  border:0;border-bottom:3px solid var(--em-dark);border-radius:0;
  font-family:var(--sans);font-weight:600;font-size:14px;
  letter-spacing:.12em;text-transform:uppercase;
  cursor:pointer;
}
.btn:hover{background:var(--em-dark)}
.btn:disabled{opacity:.65;cursor:default}
.form-note{font-family:var(--sans);font-size:12.5px;color:var(--muted);margin:10px 0 0}
.form-status{display:none;margin-top:12px;padding:11px 13px;font-size:15px;line-height:1.5}
.form-status.is-ok{display:block;background:#fff;border:1px solid var(--em);color:var(--em-dark)}
.form-status.is-err{display:block;background:var(--red-tint);border:1px solid var(--red-line);color:var(--red-dark)}
.form-status a{color:inherit;font-weight:700}

.rec-shortlist{
  grid-column:1 / -1;
  border-top:1px solid var(--line-soft);
  padding:12px 28px;
  font-family:var(--sans);font-size:13px;color:var(--ink-soft);
  background:var(--panel);
}
.rec-shortlist strong{font-weight:600;letter-spacing:.08em;text-transform:uppercase;font-size:11.5px;color:var(--muted);margin-right:6px}

/* ---------- sections ---------- */
.section{padding:46px 0 8px}
.section-head{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:14px;flex-wrap:wrap;
  border-bottom:2px solid var(--ink);
  padding-bottom:10px;margin-bottom:22px;
}
.section-head h2{margin:0;font-size:26px}
.section-note{font-family:var(--sans);font-size:13px;color:var(--muted)}
.section-note a{color:var(--em-dark)}

/* ---------- comparison table ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--line);background:#fff}
table.compare{width:100%;border-collapse:collapse;min-width:780px;font-size:15px}
.compare th{
  font-family:var(--sans);font-size:12px;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;text-align:left;
  background:var(--panel);color:var(--ink-soft);
  border-bottom:2px solid var(--ink);
  padding:11px 14px;white-space:nowrap;
}
.compare td{border-bottom:1px solid var(--line-soft);padding:12px 14px;vertical-align:top}
.compare tbody tr:last-child td{border-bottom:0}
.compare td:first-child{font-family:var(--sans);font-weight:600;white-space:nowrap}
.compare tr.is-pick td{background:var(--em-tint)}
.compare tr.is-pick td:first-child{border-left:4px solid var(--em)}
.compare .v-rec{font-family:var(--sans);font-weight:600;color:var(--em-dark);text-transform:uppercase;font-size:12.5px;letter-spacing:.06em}

/* ---------- reviews ---------- */
.review{border:1px solid var(--line);background:#fff;margin-bottom:26px}
.review.is-pick{border:2px solid var(--em)}
.review-head{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:15px 20px;
  background:var(--panel);
  border-bottom:1px solid var(--line-soft);
}
.review.is-pick .review-head{background:var(--em-tint);border-bottom-color:var(--em-line)}
.rank{
  font-family:var(--sans);font-weight:700;font-size:14px;
  border:2px solid var(--ink);
  width:35px;height:35px;flex:none;
  display:flex;align-items:center;justify-content:center;
}
.review.is-pick .rank{border-color:var(--em-dark);color:var(--em-dark)}
.review-head h3{margin:0;font-size:21px;flex:1 1 auto}
.badge{
  font-family:var(--sans);font-size:11.5px;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;
  padding:5px 11px;white-space:nowrap;
}
.badge-rec{background:var(--em);color:#fff}
.badge-plain{background:#fff;border:1px solid var(--line);color:var(--ink-soft)}
.review-meta{
  flex-basis:100%;
  font-family:var(--sans);font-size:12px;font-weight:500;
  letter-spacing:.06em;text-transform:uppercase;color:var(--muted);
}
.review-meta a{color:var(--em-dark)}
.review-body{padding:20px 22px 18px}
.review-body p{max-width:76ch;margin-bottom:14px}
.review-cta{
  font-family:var(--sans);font-size:14px;
  border:1px solid var(--em-line);background:var(--em-tint);
  padding:10px 14px;margin-top:14px;display:inline-block;
}

/* pros/cons discipline table */
.pc-scroll{overflow-x:auto;margin-top:8px}
table.pros-cons{width:100%;border-collapse:collapse;table-layout:fixed;min-width:540px}
.pros-cons th{
  font-family:var(--sans);font-size:12px;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;text-align:left;
  padding:9px 14px;
}
.pros-cons th.h-pros{background:var(--em-tint);color:var(--em-dark);border:1px solid var(--em-line);border-bottom:2px solid var(--em)}
.pros-cons th.h-cons{background:var(--red-tint);color:var(--red-dark);border:1px solid var(--red-line);border-bottom:2px solid var(--red)}
.pros-cons td{border:1px solid var(--line-soft);vertical-align:top;padding:13px 14px 6px}
ul.plist,ul.clist{list-style:none;margin:0;padding:0;font-size:15.5px}
.plist li,.clist li{position:relative;padding:0 0 10px 25px}
.plist li::before{
  content:"\2713";
  position:absolute;left:0;top:0;
  font-family:var(--sans);font-weight:700;color:var(--em-dark);
}
.clist li::before{
  content:"\2715";
  position:absolute;left:0;top:0;
  font-family:var(--sans);font-weight:700;color:var(--red);
}

/* ---------- FAQ ---------- */
.faq-item{border:1px solid var(--line);background:#fff;margin-bottom:10px}
.faq-item summary{
  cursor:pointer;list-style:none;position:relative;
  font-family:var(--sans);font-weight:600;font-size:16.5px;
  padding:14px 46px 14px 18px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  position:absolute;right:16px;top:9px;
  font-family:var(--sans);font-size:23px;font-weight:500;color:var(--em-dark);
}
.faq-item[open] summary::after{content:"-";top:7px}
.faq-item[open] summary{border-bottom:1px solid var(--line-soft)}
.faq-body{padding:14px 18px 6px;max-width:78ch}

/* ---------- methodology page ---------- */
.page-intro{padding:42px 0 6px}
.page-intro h1{font-size:clamp(27px,4vw,38px);max-width:26ch}
.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:4px}
.crit{border:1px solid var(--line);background:#fff;padding:17px 19px 9px}
.crit h3{font-size:16.5px;margin-bottom:6px;display:flex;gap:10px;align-items:baseline}
.crit .num{font-family:var(--sans);font-weight:700;color:var(--em-dark);font-size:14px;flex:none}
.crit p{font-size:15.5px;color:var(--ink-soft)}
.callout{
  border:1px solid var(--line);border-left:4px solid var(--em);
  background:var(--panel);
  padding:18px 22px 8px;margin:20px 0;
}
.callout h3{font-size:17px}
.callout p{max-width:78ch}
.def-list{margin:0 0 1em;padding:0;list-style:none}
.def-list li{position:relative;padding:0 0 12px 25px;max-width:78ch}
.def-list li::before{
  content:"\25A0";
  position:absolute;left:0;top:2px;
  color:var(--em);font-size:11px;
}
.def-list strong{font-family:var(--sans);font-weight:600}

/* ---------- footer ---------- */
.site-foot{
  margin-top:60px;
  border-top:3px solid var(--ink);
  background:var(--panel);
  padding:30px 0 28px;
  font-size:14.5px;color:var(--ink-soft);
}
.disclosure{
  border:1px solid var(--line);background:#fff;
  padding:14px 17px;
  font-family:var(--sans);font-size:13.5px;line-height:1.55;
  margin-bottom:16px;
}
.disclosure strong{letter-spacing:.06em;text-transform:uppercase;font-size:12px}
.foot-fine{font-family:var(--sans);font-size:12.5px;color:var(--muted);max-width:88ch;margin-bottom:16px}
.foot-links{
  display:flex;gap:20px;flex-wrap:wrap;
  font-family:var(--sans);font-size:12.5px;font-weight:500;
  letter-spacing:.07em;text-transform:uppercase;
  margin-bottom:10px;
}
.foot-links a{color:var(--ink-soft);text-decoration:none;border-bottom:1px solid var(--line)}
.foot-links a:hover{color:var(--ink);border-bottom-color:var(--ink)}
.copyright{font-family:var(--sans);font-size:12.5px;color:var(--muted)}

/* ---------- responsive ---------- */
@media (max-width:880px){
  .rec-body{grid-template-columns:1fr}
  .rec-form{border-left:0;border-top:1px solid var(--em-line)}
  .rec-shortlist{padding:12px 20px}
  .rec-main{padding:22px 20px 18px}
  .rec-form{padding:22px 20px 20px}
  .method-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  .standfirst{font-size:17.5px}
  .brand-row{padding:14px 0}
  .brand-name{font-size:19px}
  .site-nav a{padding:7px 9px;font-size:12.5px}
  .hero{padding:32px 0 4px}
  .section{padding:36px 0 6px}
  .rec-title h2{font-size:26px}
  .seal{width:84px;height:84px}
  .review-body{padding:16px 16px 14px}
  .review-head{padding:13px 16px}
  .topstrip .container{justify-content:center;text-align:center}
}