/* Blueprint Engineering theme - pharmaceuticalwatersystem.com */
:root{
  --bg:#0B1F3A;
  --bg2:#123A6D;
  --card:#0E2A52;
  --line:#EAF2FF;
  --accent:#F2B01E;
  --text:#C9D6EA;
  --muted:#8FA3C4;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(234,242,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(234,242,255,.045) 1px,transparent 1px);
  background-size:32px 32px;
  color:var(--text);
  font-family:Inter,"Segoe UI",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.7;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--line);text-decoration:underline;text-decoration-color:rgba(234,242,255,.4);text-underline-offset:3px}
h1,h2,h3{color:var(--line);line-height:1.3;letter-spacing:.01em}
h1{font-size:clamp(30px,4.5vw,46px);margin:0 0 18px}
h2{font-size:clamp(22px,3vw,30px);margin:44px 0 14px;padding-top:26px;border-top:1px solid rgba(234,242,255,.18)}
h3{font-size:19px;margin:26px 0 10px}
p{margin:0 0 16px}
ul,ol{margin:0 0 18px;padding-left:26px}
li{margin-bottom:8px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--accent);margin:0 0 14px}
/* header */
.site-header{border-bottom:2px solid var(--line);background:rgba(11,31,58,.96);position:sticky;top:0;z-index:50}
.header-inner{max-width:1200px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-mark{width:40px;height:40px;flex:none}
.brand-text{font-weight:800;font-size:19px;color:var(--line);letter-spacing:1px;line-height:1.1;display:flex;flex-direction:column}
.brand-text em{font-style:normal;font-size:12px;letter-spacing:4px;color:var(--accent)}
.chk-nav{display:none}
.lbl-nav{display:none}
.main-nav{margin-left:auto}
.nav-list{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:26px}
.nav-list a{text-decoration:none;color:var(--text);font-size:15px;padding:8px 2px}
.nav-list a.active{color:var(--accent)}
.has-sub{position:relative}
.sub-label{font-size:15px;color:var(--text);padding:8px 2px;cursor:default}
a.sub-label{cursor:pointer;text-decoration:none}
.sub{list-style:none;margin:0;padding:12px 0;position:absolute;top:100%;left:-16px;min-width:260px;background:var(--card);border:1px solid rgba(234,242,255,.25);display:none;z-index:60}
.sub li{margin:0}
.sub a{display:block;padding:10px 20px;font-size:14px;white-space:nowrap}
.nav-cta-item{display:none}
/* buttons */
.btn{display:inline-block;background:var(--accent);color:#0B1F3A;font-weight:700;text-decoration:none;padding:12px 26px;border:2px solid var(--accent);font-size:15px;letter-spacing:.5px;transition:background-color .2s cubic-bezier(.2,.7,.3,1),color .2s cubic-bezier(.2,.7,.3,1),transform .15s cubic-bezier(.2,.7,.3,1)}
.btn .valve{display:inline-block;margin-right:10px;transition:transform .25s cubic-bezier(.2,.7,.3,1)}
.btn-big{padding:16px 34px;font-size:17px}
.btn-header{margin-left:24px;white-space:nowrap}
.btn-nav{width:100%;text-align:center}
/* hero */
.hero{border-bottom:2px solid var(--line);position:relative;overflow:hidden}
.hero-inner{max-width:1200px;margin:0 auto;padding:64px 24px 56px;position:relative}
.hero-loop{position:absolute;right:0;bottom:0;width:min(520px,60%);opacity:.8;pointer-events:none}
.evidence{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:12px}
.evidence li{font-family:var(--mono);font-size:12px;color:var(--line);border:1px solid rgba(234,242,255,.4);padding:10px 16px;background:rgba(18,58,109,.55)}
.evidence li::before{content:"\25C7  ";color:var(--accent)}
/* content */
.content{max-width:860px;margin:0 auto;padding:40px 24px 24px}
.crumb{max-width:860px;margin:0 auto;padding:18px 24px 0}
.crumb p{font-size:13px;color:var(--muted);margin:0}
.crumb a{color:var(--muted)}
.loop-svg{display:block;width:100%;height:auto;margin:44px 0 8px;opacity:.9}
.fig{margin:34px 0;border:1px solid rgba(234,242,255,.3);background:var(--card);padding:0;overflow:hidden}
.fig img{width:100%;aspect-ratio:16/9;object-fit:cover}
.fig figcaption{font-family:var(--mono);font-size:12px;color:var(--muted);padding:10px 16px 12px;text-align:center;margin:0}
/* blog index cards */
.blog-index-intro{color:var(--line);font-size:17px;margin:0 0 28px}
.blog-card{border:1px solid rgba(234,242,255,.3);background:var(--card);padding:24px 28px;margin:0 0 20px}
.blog-card h2{border:none;padding:0;margin:0 0 10px;font-size:22px}
.blog-card h2 a{text-decoration:none}
.blog-card p{margin:0 0 10px}
.blog-card p:last-child{margin:0}
.table-wrap{overflow-x:auto;margin:24px 0;border:1px solid rgba(234,242,255,.3)}
table{border-collapse:collapse;width:100%;font-size:14px;min-width:560px}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid rgba(234,242,255,.15)}
th{background:var(--bg2);color:var(--line);font-size:13px;letter-spacing:1px;text-transform:uppercase}
/* faq */
.faq{margin-top:20px}
.faq-item{border:1px solid rgba(234,242,255,.3);background:var(--card);padding:18px 22px;margin:0 0 16px}
.faq-item h3{margin:0 0 10px;font-size:17px}
.faq-item p:last-child{margin-bottom:0}
/* cta */
.cta-block{margin:56px 0 40px;border:2px solid var(--accent);padding:36px 32px;text-align:center;background:rgba(18,58,109,.5)}
.cta-block h2{border:none;padding:0;margin:0 0 12px}
.cta-eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.cta-sub{color:var(--line);margin:0 0 22px}
.cta-alt{margin:18px 0 0;font-size:14px;color:var(--muted)}
.inline-cta{margin:26px 0;display:flex;gap:14px;flex-wrap:wrap}
/* contact form */
.contact-form{border:1px solid rgba(234,242,255,.3);background:var(--card);padding:32px;margin:40px 0}
.contact-form h2{border:none;padding:0;margin:0 0 20px}
.contact-form label{display:block;font-size:14px;margin:0 0 16px;color:var(--line)}
.contact-form input,.contact-form textarea{width:100%;margin-top:8px;padding:14px 16px;background:#081426;border:1px solid rgba(234,242,255,.35);color:var(--line);font-size:15px;font-family:inherit}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-row>*{min-width:0}
.form-note{font-size:14px;color:var(--muted);margin:14px 0 0}
/* footer */
.site-footer{border-top:2px solid var(--line);margin-top:40px;background:#081426}
.footer-loop{max-width:700px;margin:0 auto;padding:40px 24px 0;text-align:center}
.footer-loop-svg{width:100%;max-width:560px;height:auto}
.loop-caption{font-family:var(--mono);font-size:12px;letter-spacing:1px;color:var(--muted);margin:8px auto 0;max-width:520px}
.footer-cta{text-align:center;padding:24px 24px 40px;border-bottom:1px solid rgba(234,242,255,.15)}
.footer-cta h2{border:none;padding:0;margin:0 0 10px}
.footer-cta p{color:var(--text)}
.footer-grid{max-width:1200px;margin:0 auto;padding:44px 24px;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:32px}
.footer-grid>*{min-width:0}
.footer-brand{font-weight:800;color:var(--line);letter-spacing:1px;margin:0 0 12px}
.footer-h{font-family:var(--mono);font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--accent);margin:20px 0 10px}
.footer-col:first-child .footer-h{margin-top:0}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin:0 0 8px}
.footer-col a{color:var(--text);text-decoration:none;font-size:14px}
.footer-col p{font-size:14px;color:var(--muted)}
.footer-bottom{border-top:1px solid rgba(234,242,255,.15);padding:20px 24px;text-align:center}
.footer-bottom p{font-size:12px;color:var(--muted);margin:0}
/* hover gating + motion */
@media (hover:hover){
  a:hover{color:var(--accent)}
  .btn:hover{background:transparent;color:var(--accent)}
  .btn:hover .valve{transform:rotate(90deg)}
  .sub-label:hover{color:var(--accent)}
  .has-sub:hover .sub{display:block}
  .sub a:hover{background:var(--bg2);color:var(--accent)}
  .footer-col a:hover{color:var(--accent)}
}
.btn:active{transform:scale(.97)}
.has-sub:focus-within .sub{display:block}
/* mobile */
@media (max-width:960px){
  .header-inner{flex-wrap:wrap;gap:12px}
  .btn-header{display:none}
  .lbl-nav{display:inline-flex;flex-direction:column;gap:6px;margin-left:auto;padding:12px;cursor:pointer;border:1px solid rgba(234,242,255,.4)}
  .lbl-nav span{display:block;width:26px;height:2px;background:var(--line)}
  .main-nav{display:none;width:100%;margin:0}
  .chk-nav:checked ~ .main-nav{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;border-top:1px solid rgba(234,242,255,.2);padding:8px 0}
  .nav-list>li{border-bottom:1px solid rgba(234,242,255,.12)}
  .nav-list a,.sub-label{display:block;padding:14px 4px;font-size:16px}
  .sub{position:static;display:block;border:none;background:transparent;padding:0 0 8px 18px}
  .sub a{font-size:15px;padding:10px 4px;white-space:normal}
  .nav-cta-item{display:block;border:none;padding:12px 0}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-inner{padding:44px 20px 40px}
  .content{padding:28px 20px 16px}
  .cta-block{padding:28px 20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
}