:root{
  --ecolab-blue:#0067b1;
  --ecolab-blue-dark:#004f8c;
  --ecolab-sky:#d9ecfb;
  --ecolab-ice:#f3f8fc;
  --ink:#17324d;
  --muted:#5f7386;
  --line:#d8e6f2;
  --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--ecolab-ice);line-height:1.55}
a{color:inherit}
.portal-shell{min-height:100vh;overflow:hidden}
.portal-topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px clamp(18px,4vw,54px);background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.portal-brand{display:flex;align-items:center;gap:14px;min-width:0}
.portal-brand img{width:146px;height:auto;display:block}
.portal-brand span{display:block;color:var(--muted);font-size:.82rem;font-weight:800}
.portal-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.portal-nav a,.portal-btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:10px 14px;border-radius:8px;text-decoration:none;font-weight:900;font-size:.92rem;border:1px solid transparent}
.portal-nav a{color:var(--ecolab-blue-dark)}
.portal-btn{background:var(--ecolab-blue);color:#fff;border-color:var(--ecolab-blue)}
.portal-btn.secondary{background:#fff;color:var(--ecolab-blue);border-color:rgba(0,103,177,.28)}
.portal-hero{position:relative;min-height:560px;display:grid;align-items:center;padding:70px clamp(20px,5vw,70px);background:linear-gradient(135deg,#fff 0%,#f3f8fc 46%,#d9ecfb 100%)}
.portal-hero:before,.portal-hero:after{content:"";position:absolute;inset:auto;pointer-events:none;transform:skewX(-18deg)}
.portal-hero:before{right:-90px;top:0;width:42%;height:100%;background:rgba(0,103,177,.16)}
.portal-hero:after{right:9%;bottom:-80px;width:32%;height:260px;background:rgba(0,79,140,.11)}
.portal-hero__content{position:relative;z-index:1;max-width:920px}
.portal-eyebrow{display:inline-flex;padding:7px 11px;border:1px solid rgba(0,103,177,.22);border-radius:999px;color:var(--ecolab-blue-dark);background:#fff;font-weight:900;font-size:.82rem}
.portal-hero h1{max-width:760px;margin:22px 0 14px;font-size:clamp(2.15rem,5vw,4.9rem);line-height:1.02;letter-spacing:0;color:var(--ink)}
.portal-hero p{max-width:760px;margin:0;color:var(--muted);font-size:clamp(1rem,1.8vw,1.28rem);font-weight:700}
.portal-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.portal-section{padding:54px clamp(18px,4vw,58px)}
.portal-section.white{background:#fff}
.portal-section__head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:20px}
.portal-section h2{margin:0;color:var(--ink);font-size:clamp(1.5rem,3vw,2.25rem)}
.portal-section p.lead{max-width:760px;margin:6px 0 0;color:var(--muted);font-weight:700}
.portal-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}
.portal-card{padding:18px;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 12px 28px rgba(0,79,140,.08)}
.portal-card strong{display:block;color:var(--ecolab-blue-dark);font-size:1.02rem;margin-bottom:6px}
.portal-card p{margin:0;color:var(--muted);font-weight:700;font-size:.94rem}
.workflow{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:10px;counter-reset:steps}
.workflow-step{position:relative;padding:18px;border:1px solid var(--line);border-radius:8px;background:linear-gradient(180deg,#fff,#f7fbff)}
.workflow-step:before{counter-increment:steps;content:counter(steps);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--ecolab-blue);color:#fff;font-weight:900;margin-bottom:12px}
.quick-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}
.quick-links a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px;border-radius:8px;background:#fff;border:1px solid var(--line);text-decoration:none;font-weight:900;color:var(--ecolab-blue-dark)}
.quick-links a:after{content:"›";font-size:1.2rem}
.doc-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:14px;max-width:1040px;margin:0 auto;padding:42px clamp(18px,4vw,58px)}
.doc-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:22px}
.doc-card h1,.doc-card h2{margin-top:0;color:var(--ink)}
.doc-card h1{font-size:clamp(2rem,4vw,3rem);line-height:1.08}
.doc-card h2{font-size:1.35rem}
.doc-card p,.doc-card li{color:var(--muted);font-weight:700}
.doc-card code{padding:2px 5px;border-radius:5px;background:#eef6fc;color:var(--ecolab-blue-dark)}
.support-box{display:grid;gap:10px}
.support-line{padding:14px;border:1px solid var(--line);border-radius:8px;background:#f8fbfe}
.portal-footer{padding:28px clamp(18px,4vw,54px);background:var(--ecolab-blue-dark);color:#fff}
.portal-footer__inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.portal-footer a{color:#fff;text-decoration:none;font-weight:900;margin-right:12px}
@media(max-width:760px){.portal-topbar{align-items:flex-start;flex-direction:column}.portal-nav{justify-content:flex-start}.portal-hero{min-height:auto;padding-top:46px}.portal-section__head{display:block}}