/* Indoor Air Quality Solutions commerce hub — page-scoped */
.iaq{
  --iaq-navy:#0F2A4A;
  --iaq-navy-2:#1B365D;
  --iaq-gold:#F5C84C;
  --iaq-ink:#1C2B3A;
  --iaq-muted:#54657A;
  --iaq-line:#DCE7EF;
  --iaq-soft:#F4F9FC;
  --iaq-teal:#1B7FA8;
  color:var(--iaq-ink);
  background:#fff;
}
.iaq-wrap{max-width:1120px;margin-inline:auto;padding-inline:clamp(16px,4vw,32px)}
.iaq-eyebrow{margin:0 0 12px;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--iaq-gold)}
.iaq-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:14px 28px;font-weight:800;font-size:15px;text-decoration:none;border:0;cursor:pointer;transition:filter .15s,transform .15s}
.iaq-btn--gold{background:var(--iaq-gold);color:var(--iaq-navy)}
.iaq-btn--gold:hover{filter:brightness(1.05);color:var(--iaq-navy)}
.iaq-btn--ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.45)}
.iaq-btn--navy{background:var(--iaq-navy);color:#fff}
.iaq-btn--navy:hover{filter:brightness(1.08);color:#fff}
.iaq-section{padding-block:clamp(48px,7vw,88px)}
.iaq-section--soft{background:var(--iaq-soft)}
.iaq-section__head{margin-bottom:28px;max-width:62ch}
.iaq-section__head h2{margin:0 0 8px;color:var(--iaq-navy);font-size:clamp(26px,3.2vw,40px);line-height:1.12;font-weight:800;letter-spacing:-.02em}
.iaq-section__head p{margin:0;color:var(--iaq-muted);font-size:16px;line-height:1.6}
.iaq-section__head a{color:var(--iaq-teal);font-weight:700}

/* Store-style category banner. */
.iaq-hero{background:linear-gradient(115deg,var(--iaq-navy) 0%,var(--iaq-navy-2) 55%,#0a5240 100%);color:#fff;padding-block:clamp(22px,3.2vw,36px)}
.iaq-hero__grid{display:grid;grid-template-columns:1fr;gap:0;align-items:center;max-width:760px}
.iaq-hero h1{margin:0 0 6px;font-size:clamp(26px,3.4vw,36px);line-height:1.12;font-weight:800;letter-spacing:-.03em;color:#fff}
.iaq-hero__sub{margin:0 0 8px;color:var(--iaq-gold);font-size:clamp(15px,1.6vw,18px);font-weight:700}
.iaq-hero__lede{margin:0 0 14px;color:rgba(255,255,255,.88);font-size:14.5px;line-height:1.55;max-width:58ch}
.iaq-hero__benefits{display:none}
.iaq-hero__actions{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 8px}
.iaq-hero__trust{margin:0;font-size:12px;color:rgba(255,255,255,.65)}
.iaq-hero__figure{display:none}

.iaq-paths{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.iaq-path{display:flex;flex-direction:column;gap:10px;padding:22px;border-radius:16px;background:#fff;border:1px solid var(--iaq-line);box-shadow:0 8px 24px rgba(15,42,74,.05)}
.iaq-path__kicker{margin:0;font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--iaq-teal)}
.iaq-path h3{margin:0;color:var(--iaq-navy);font-size:20px;font-weight:800;line-height:1.2}
.iaq-path p{margin:0;color:var(--iaq-muted);font-size:14.5px;line-height:1.55}
.iaq-path__meta{font-weight:700!important;color:var(--iaq-navy)!important}
.iaq-path .iaq-btn{margin-top:auto;align-self:flex-start}

.iaq-lines{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.iaq-linecard{
  display:flex;flex-direction:column;gap:8px;padding:18px 18px 20px;
  border:1px solid var(--iaq-line);border-radius:14px;background:#fff;text-decoration:none;color:inherit;
  transition:border-color .15s,box-shadow .15s,transform .15s;
}
.iaq-linecard:hover{border-color:var(--iaq-teal);box-shadow:0 8px 24px rgba(15,42,74,.08);transform:translateY(-2px);color:inherit}
.iaq-linecard__name{font-weight:800;font-size:17px;color:var(--iaq-navy)}
.iaq-linecard__meta{font-size:13.5px;color:var(--iaq-muted);line-height:1.45}

.iaq-systems{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.iaq-system{display:flex;flex-direction:column;gap:12px;padding:14px;border-radius:14px;background:#fff;border:1px solid var(--iaq-line);text-decoration:none;color:inherit;transition:border-color .15s,box-shadow .15s,transform .15s}
.iaq-system:hover{border-color:var(--iaq-teal);box-shadow:0 8px 22px rgba(15,42,74,.08);transform:translateY(-2px);color:inherit}
.iaq-system img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:cover;border-radius:10px;background:var(--iaq-soft)}
.iaq-system__name{display:block;font-weight:800;color:var(--iaq-navy);font-size:15px;line-height:1.3}
.iaq-system__price{display:block;margin-top:6px;font-weight:700;color:var(--iaq-muted);font-size:13.5px}

.iaq-book__panel{max-width:640px;padding:22px;border-radius:16px;border:1px solid var(--iaq-line);background:#fff;box-shadow:0 8px 28px rgba(15,42,74,.06)}
.iaq-book__phone{margin:16px 0 0;text-align:center}
.iaq-book__phone a{font-weight:700;color:var(--iaq-navy);text-decoration:none}

.iaq-faq{display:grid;gap:10px;max-width:760px}
.iaq-faq__item{border:1px solid var(--iaq-line);border-radius:12px;background:#fff;padding:4px 16px}
.iaq-faq__item summary{cursor:pointer;font-weight:700;color:var(--iaq-navy);padding:14px 0;list-style:none}
.iaq-faq__item summary::-webkit-details-marker{display:none}
.iaq-faq__item p{margin:0 0 14px;color:var(--iaq-muted);line-height:1.6}

.iaq-final{background:var(--iaq-navy);color:#fff;padding-block:clamp(40px,6vw,72px)}
.iaq-final__in{text-align:center;max-width:640px;margin-inline:auto}
.iaq-final h2{margin:0 0 12px;font-size:clamp(26px,3vw,38px);font-weight:800;color:#fff}
.iaq-final p{margin:0 0 20px;color:rgba(255,255,255,.78)}
.iaq-final__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:center}
.iaq-final__phone{color:var(--iaq-gold);font-weight:700;text-decoration:none}

.iaq-learn__panel{border:1px solid var(--iaq-line);border-radius:12px;background:#fff;padding:4px 16px}
.iaq-learn__panel summary{cursor:pointer;font-weight:800;color:var(--iaq-navy);padding:14px 0}
.iaq-prose{font-size:15px;line-height:1.65;padding-bottom:16px}
.iaq-learn .btn,.iaq-learn a.btn-primary{display:none!important}

.iaq-sticky{position:fixed;left:0;right:0;bottom:0;z-index:40;display:none;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);border-top:1px solid var(--iaq-line);box-shadow:0 -8px 24px rgba(15,42,74,.1)}
.iaq-sticky .iaq-btn{flex:1}
.iaq-sticky__call{display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:999px;font-weight:800;color:var(--iaq-navy);box-shadow:inset 0 0 0 1.5px var(--iaq-line);text-decoration:none}

@media (max-width:960px){
  .iaq-hero__grid{grid-template-columns:1fr}
  .iaq-paths,.iaq-systems{grid-template-columns:1fr}
  .iaq-sticky{display:flex}
}
@media (max-width:560px){
  .iaq-hero__actions{flex-direction:column}
  .iaq-hero__actions .iaq-btn{width:100%}
}

/* Touch-and-motion guard (2026-10-06 animation audit). Most visitors are on phones, where a
   tap fires :hover and leaves a lifted card or button stuck in place; press feedback replaces it. */
.iaq-btn:active{transform:scale(.97)}
@media (hover:none){
  .iaq-linecard:hover,.iaq-system:hover{transform:none}
  .iaq-btn:active{transform:scale(.97)}
}
@media (prefers-reduced-motion:reduce){
  .iaq-linecard:hover,.iaq-system:hover{transform:none}
}