/* ============================================================
   Saint Paul Mold Remediation — cold northern river-city identity
   Steel blue + glacier frost on snow, with a cranberry CTA.
   Fraunces (display serif) + Inter (body). Gabled-roofline motif,
   contour/isotherm texture. Deliberately distinct from
   warm Gulf-Coast and desert mold templates.
   ============================================================ */
:root{
  --snow:#eef2f7;
  --snow-2:#e4ebf3;
  --paper:#f7f9fc;
  --paper-2:#ffffff;
  --ink:#15212f;
  --ink-soft:#4a5a6e;
  --steel:#1f3a5f;
  --steel-2:#2d568a;
  --steel-3:#3f74b3;
  --steel-ink:#142a45;
  --glacier:#8fb9dc;
  --glacier-soft:#d4e3f1;
  --glacier-pale:#e8f0f8;
  --cran:#b02e3f;
  --cran-2:#c5394b;
  --pine:#1f5547;
  --line:#d2dde9;
  --line-2:#c1d0e0;
  --frost-line:#b9cee2;
  --shadow:0 1px 0 rgba(21,33,47,.03), 0 24px 50px -32px rgba(31,58,95,.55);
  --shadow-sm:0 1px 0 rgba(21,33,47,.03), 0 12px 28px -22px rgba(31,58,95,.45);
  --maxw:1150px;
  --radius:12px;
  --radius-sm:9px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--snow);color:var(--ink);
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:17px;line-height:1.66;-webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(circle at 92% -6%, rgba(143,185,220,.20), transparent 42%),
    radial-gradient(circle at 4% 1%, rgba(31,58,95,.07), transparent 46%);
}
h1,h2,h3,h4{font-family:"Fraunces","Iowan Old Style",Georgia,serif;color:var(--steel-ink);line-height:1.12;font-weight:600;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(2.2rem,5vw,3.5rem);font-weight:600;letter-spacing:-.018em}
h2{font-size:clamp(1.55rem,3.1vw,2.3rem)}
h3{font-size:1.24rem;color:var(--steel-2)}
p{margin:0 0 1.05em}
a{color:var(--cran);text-decoration:none}
a:hover{text-decoration:underline}
em{font-style:italic}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-999px}
.skip:focus{left:8px;top:8px;background:var(--steel);color:#fff;padding:8px 14px;z-index:99;border-radius:8px}

/* ---- top bar + header ---- */
.topbar{background:var(--steel-ink);color:#c6d8ea;font-size:.82rem}
.topbar-in{display:flex;justify-content:space-between;align-items:center;height:38px;gap:14px}
.topbar-tag{letter-spacing:.03em;opacity:.92}
.topbar-phone{color:#fff;font-weight:700;letter-spacing:.02em}
.topbar-phone:hover{color:var(--glacier);text-decoration:none}
.site-head{position:sticky;top:0;z-index:50;background:rgba(247,249,252,.92);backdrop-filter:blur(9px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:18px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-family:"Fraunces",serif;font-size:1.32rem;letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.brand-logo{height:100px;width:auto;display:block;flex:none}
.brand-text strong{color:var(--steel);font-weight:600}
.brand-text{font-weight:500;color:var(--ink);line-height:1.04}
.brand-text small{display:block;font-family:"Inter",sans-serif;font-weight:700;font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;color:var(--cran);margin-top:3px}
.mainnav{display:flex;align-items:center;gap:19px}
.mainnav a{color:var(--ink-soft);font-weight:600;font-size:.93rem}
.mainnav a:hover{color:var(--steel-2);text-decoration:none}
.mainnav a.active{color:var(--steel-2);text-decoration:underline;text-decoration-color:var(--cran);text-decoration-thickness:2px;text-underline-offset:6px}
.nav-cta{background:var(--cran);color:#fff !important;padding:9px 16px;border-radius:8px;font-weight:700 !important;letter-spacing:.01em}
.nav-cta:hover{background:var(--cran-2);text-decoration:none !important}
.navtoggle{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:6px}
.navtoggle span{width:24px;height:2px;background:var(--steel);display:block}

/* ---- buttons + utility ---- */
.btn{display:inline-block;background:var(--cran);color:#fff;padding:14px 26px;border-radius:9px;font-weight:700;letter-spacing:.01em;border:0;cursor:pointer;font-size:1rem;font-family:inherit;transition:transform .12s ease, background .15s ease;box-shadow:var(--shadow-sm)}
.btn:hover{background:var(--cran-2);text-decoration:none;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--steel-2);border:1.5px solid var(--steel-2);box-shadow:none}
.btn-ghost:hover{background:var(--steel);color:#fff;border-color:var(--steel)}
.eyebrow{font-family:"Inter",sans-serif;text-transform:uppercase;letter-spacing:.18em;font-size:.72rem;font-weight:700;color:var(--cran);display:inline-block;margin-bottom:.55em}
.lede{font-size:1.18rem;color:var(--ink-soft);max-width:62ch}

/* ---- hero ---- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(31,58,95,.06),transparent 55%),
    linear-gradient(135deg,#eaf1f8 0%,#dfeaf5 100%);
}
.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.30;
  background-image:url(/images/hero-home.webp);background-size:cover;background-position:center;
  mask-image:linear-gradient(90deg,transparent,#000 55%);-webkit-mask-image:linear-gradient(90deg,transparent,#000 55%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:26px;pointer-events:none;z-index:1;
  background:
   linear-gradient(135deg,transparent 45%,var(--steel) 45%,var(--steel) 50%,transparent 50%),
   linear-gradient(-135deg,transparent 45%,var(--steel) 45%,var(--steel) 50%,transparent 50%);
  background-size:34px 26px;background-repeat:repeat-x;opacity:.16}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:64px 0 66px}
.hero h1{margin-bottom:.35em}
.hero .lede{margin-bottom:1.6em}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-note{font-size:.86rem;color:var(--ink-soft);margin-top:1.4em;max-width:54ch}
.hero-fine{font-size:.76rem;color:var(--ink-soft);margin-top:1.1em;letter-spacing:.01em}
.hero-copy{min-width:0}
.hero-card{background:var(--paper-2);border:1px solid var(--line);border-radius:16px;padding:6px;box-shadow:var(--shadow);position:relative;z-index:2}

/* ---- generic sections ---- */
.section{padding:64px 0}
.section-tight{padding:46px 0}
.band{background:var(--steel);color:#dce8f2}
.band h2,.band h3{color:#fff}
.band .lede{color:#bcd2e6}
.band a{color:var(--glacier)}
.band-paper{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band-glacier{background:var(--glacier-pale);border-top:1px solid var(--frost-line);border-bottom:1px solid var(--frost-line)}
.center{text-align:center}
.center .lede{margin-left:auto;margin-right:auto}

/* ---- cards / grids ---- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:transform .14s ease,border-color .14s ease,box-shadow .14s ease;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--glacier);opacity:0;transition:opacity .14s ease}
.card:hover{transform:translateY(-3px);border-color:var(--glacier);box-shadow:var(--shadow)}
.card:hover::before{opacity:1}
.card h3{margin-bottom:.35em}
.card p{font-size:.96rem;color:var(--ink-soft);margin-bottom:.7em}
.card .more{font-weight:700;font-size:.9rem;color:var(--cran)}

/* feature list */
.ticks{list-style:none;padding:0;margin:0}
.ticks li{position:relative;padding:0 0 .7em 1.7em;color:var(--ink-soft)}
.ticks li::before{content:"";position:absolute;left:0;top:.5em;width:10px;height:8px;background:var(--steel-2);
  clip-path:polygon(50% 0,100% 100%,0 100%)}

/* ---- editorial article ---- */
.article-body h2{margin-top:1.5em}
.article-body h3{margin-top:1.3em;color:var(--steel-2)}
.article-body ul,.article-body ol{color:var(--ink-soft);padding-left:1.2em}
.article-body li{margin-bottom:.5em}
.article-body img,.fig img{max-width:100%;height:auto;border-radius:var(--radius);border:1px solid var(--line);display:block}
.fig{margin:1.6em 0}
.fig figcaption{font-size:.82rem;color:var(--ink-soft);margin-top:.5em}
.breadcrumb{font-size:.82rem;color:var(--ink-soft);margin-bottom:1.4em;letter-spacing:.01em;font-weight:500}
.breadcrumb a{color:var(--steel-2)}
.breadcrumb span{color:var(--ink-soft)}
.page-aside{align-self:start;position:sticky;top:96px}

/* pull / callout */
.callout{background:var(--glacier-pale);border:1px solid var(--frost-line);border-left:4px solid var(--steel-2);border-radius:var(--radius-sm);padding:20px 22px;margin:1.7em 0}
.callout strong{color:var(--steel)}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:1.6em 0}
.stat{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px}
.stat b{font-family:"Fraunces",serif;font-size:1.8rem;color:var(--steel);display:block;line-height:1}
.stat span{font-size:.82rem;color:var(--ink-soft)}

/* hero feature image */
.article-img{margin:0 0 1.6em}
.article-img img{width:100%;height:auto;border-radius:var(--radius);border:1px solid var(--line);display:block}

/* ---- FAQ ---- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:6px 0}
.faq summary{cursor:pointer;font-family:"Fraunces",serif;font-size:1.1rem;font-weight:600;color:var(--steel-2);padding:16px 36px 16px 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:12px;font-size:1.5rem;color:var(--cran);font-family:"Inter",sans-serif}
.faq details[open] summary::after{content:"\2212"}
.faq details[open] summary{color:var(--cran)}
.faq .faq-a,.faq .ans{padding:0 10px 18px 0;color:var(--ink-soft)}
.faq .faq-a p:last-child,.faq .ans p:last-child{margin-bottom:0}

/* ---- calculator ---- */
.calc{background:var(--paper-2);border:1px solid var(--line);border-radius:16px;padding:0;overflow:hidden;box-shadow:var(--shadow)}
.calc-head{background:var(--steel);color:#fff;padding:22px 26px}
.calc-head h3{color:#fff;margin:0}
.calc-head p{margin:.3em 0 0;color:#bcd2e6;font-size:.9rem}
.calc-body{padding:26px}
.calc-field{margin-bottom:18px}
.calc-field label{display:block;font-weight:700;font-size:.9rem;color:var(--steel-2);margin-bottom:6px}
.calc-field input[type=number],.calc-field select{width:100%;padding:12px 14px;border:1.5px solid var(--line-2);border-radius:9px;font-size:1rem;font-family:inherit;background:var(--paper);color:var(--ink)}
.calc-field input:focus,.calc-field select:focus{outline:none;border-color:var(--steel-2)}
.calc-checks{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px}
.calc-check{display:flex;align-items:flex-start;gap:9px;background:var(--paper);border:1.5px solid var(--line);border-radius:9px;padding:11px 13px;font-size:.9rem;cursor:pointer}
.calc-check input{margin-top:3px}
.calc-result{margin-top:8px;background:var(--steel);color:#fff;border-radius:var(--radius);padding:20px 22px;text-align:center;display:none}
.calc-result.show{display:block}
.calc-result .label{font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--glacier)}
.calc-result .range{font-family:"Fraunces",serif;font-size:2.3rem;font-weight:600;line-height:1.1;margin:.1em 0}
.calc-result .sub{font-size:.83rem;color:#bcd2e6}
.calc-disc{font-size:.78rem;color:var(--ink-soft);margin-top:14px}

/* ---- lead form ---- */
.lead-form{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.lead-form h3{margin-top:0}
.field{margin-bottom:15px}
.field label{display:block;font-weight:700;font-size:.88rem;color:var(--steel-2);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line-2);border-radius:9px;font-size:1rem;font-family:inherit;background:var(--paper);color:var(--ink)}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--steel-2)}
.field .req{color:var(--cran)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-fine{font-size:.78rem;color:var(--ink-soft);margin-top:12px}

/* split layout */
.split{display:grid;grid-template-columns:1.55fr 1fr;gap:40px;align-items:start}
.split-even{grid-template-columns:1fr 1fr;gap:38px}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--steel-ink),var(--steel-2));color:#fff;border-radius:16px;padding:42px 40px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;box-shadow:var(--shadow);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-30px;top:-30px;width:170px;height:170px;background:radial-gradient(circle,rgba(143,185,220,.45),transparent 70%)}
.cta-band h2{color:#fff;margin:0 0 .2em;position:relative}
.cta-band p{color:#bcd2e6;margin:0;max-width:46ch;position:relative}
.cta-band .btn{background:var(--cran);position:relative}
.cta-band .btn:hover{background:var(--cran-2)}

/* steps */
.steps{counter-reset:step;list-style:none;padding-left:0;margin:1.2em 0}
.steps li{position:relative;padding-left:52px;margin-bottom:1.2em;color:var(--ink-soft);min-height:34px}
.steps li::before{counter-increment:step;content:counter(step);position:absolute;left:0;top:-2px;width:34px;height:34px;border-radius:50%;background:var(--steel);color:#fff;font-family:"Fraunces",serif;font-weight:600;display:flex;align-items:center;justify-content:center}
.steps li strong{color:var(--ink)}

/* small print pages */
.legal{max-width:780px;margin:0 auto;padding:50px 0}
.legal h2{font-size:1.3rem;margin-top:1.6em}
.legal p,.legal li{color:var(--ink-soft);font-size:.96rem}
.narrow{max-width:760px}
.muted{font-size:.82rem;color:var(--ink-soft)}

/* interior page header */
.page-hero{background:var(--paper);border-bottom:1px solid var(--line);padding:46px 0 40px;position:relative}
.page-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--steel),var(--glacier) 45%,var(--cran) 100%)}
.page-hero h1{margin-bottom:.3em;max-width:20ch}
.page-hero .lede{margin-bottom:0}
.page-hero .hero-cta{margin-top:1.5em}
.page-hero.tall{padding:64px 0 70px}
.section-lede{font-size:1.08rem;color:var(--ink-soft);max-width:64ch;margin:.6em auto 0}
.center .section-lede{margin-left:auto;margin-right:auto}

.feature{background:var(--paper-2);border:1px solid var(--line);border-left:3px solid var(--cran);border-radius:var(--radius-sm);padding:24px 24px 22px;box-shadow:var(--shadow-sm)}
.feature h3{color:var(--steel-2);margin-bottom:.4em}
.feature p{color:var(--ink-soft);margin:0}

/* thank you */
.thankyou{max-width:640px;margin:0 auto;text-align:center}
.thankyou .brand-mark.big{width:58px;height:58px;margin:0 auto 18px}
.thankyou h1{margin-bottom:.4em}

/* brand mark (CSS gabled house + drop) — used on thank-you/footer fallback */
.brand-mark{width:40px;height:34px;flex:none;border-radius:7px;background:linear-gradient(180deg,#3f74b3 0%,#1f3a5f 100%);position:relative;overflow:hidden;box-shadow:inset 0 0 0 1.5px rgba(247,249,252,.3)}
.brand-mark::before{content:"";position:absolute;left:50%;top:6px;width:0;height:0;transform:translateX(-50%);
  border-left:11px solid transparent;border-right:11px solid transparent;border-bottom:10px solid rgba(232,240,248,.9)}
.brand-mark::after{content:"";position:absolute;left:50%;bottom:7px;transform:translateX(-50%);width:7px;height:7px;border-radius:0 50% 50% 50%;rotate:45deg;background:var(--glacier)}

.estimate-split{align-items:start}
.estimate-split .calc{margin-top:0}
.calc-split,.contact-split{align-items:start}

/* ---- footer ---- */
.site-foot{background:var(--ink);color:#aebccd;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding:56px 0 30px}
.foot-brand .brand-foot{color:#fff;margin-bottom:14px}
.foot-brand .brand-text{color:#eef2f7}
.foot-blurb{font-size:.9rem;color:#8294a8;max-width:34ch}
.foot-call{display:inline-block;margin-top:8px;color:#fff;font-weight:700;font-size:1.05rem}
.foot-call:hover{color:var(--glacier);text-decoration:none}
.foot-col h4{color:#fff;font-family:"Inter",sans-serif;font-size:.76rem;letter-spacing:.13em;text-transform:uppercase;margin:0 0 14px}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col li{margin-bottom:9px}
.foot-col a{color:#aebccd;font-size:.92rem}
.foot-col a:hover{color:#fff}
.foot-legal{border-top:1px solid #2a3645;padding:24px 0 40px}
.disclaimer{font-size:.78rem;color:#74859a;max-width:none;margin-bottom:18px;line-height:1.6}
.foot-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.82rem;color:#74859a}
.foot-bottom a{color:#aebccd}

/* ---- responsive ---- */
@media(max-width:900px){
  .hero-in{grid-template-columns:1fr;gap:34px;padding:44px 0 50px}
  .hero-bg{mask-image:linear-gradient(180deg,transparent,#000 70%);-webkit-mask-image:linear-gradient(180deg,transparent,#000 70%);opacity:.18}
  .g3{grid-template-columns:1fr 1fr}
  .split,.split-even{grid-template-columns:1fr;gap:26px}
  .page-aside{position:static}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .stat-row,.calc-checks{grid-template-columns:1fr}
  .navtoggle{display:flex}
  .mainnav{position:fixed;inset:0 0 0 auto;width:min(82vw,320px);background:var(--paper-2);flex-direction:column;align-items:flex-start;padding:84px 26px 26px;transform:translateX(100%);transition:transform .22s ease;box-shadow:-10px 0 40px -20px rgba(0,0,0,.4);gap:18px}
  body.nav-open .mainnav{transform:translateX(0)}
  .nav-cta{width:100%;text-align:center}
}
@media(max-width:560px){
  .g2,.g3{grid-template-columns:1fr}
  .cta-band{padding:30px 24px}
  .section{padding:48px 0}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}