:root{--ink:#14213d;--muted:#5b6475;--bg:#fff;--soft:#f5f8fc;--brand:#0b7dda;--accent:#ff7a18;--line:#e4e9f2;--radius:14px;--max:1140px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Inter,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand)}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.5vw,3.3rem)}
h2{font-size:clamp(1.6rem,3vw,2.3rem)}
h3{font-size:1.15rem}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.faq-wrap{max-width:820px}
.section{padding:72px 0}
.section.alt{background:var(--soft)}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:700;color:var(--brand);margin-bottom:8px}
.lead{color:var(--muted);font-size:1.1rem}
.center{text-align:center}
.center.lead,.center .lead{max-width:680px;margin-left:auto;margin-right:auto}
.ta-left{text-align:left}
.skip{position:absolute;left:-999px}
.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:100}
.site-header{position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.brand{font-weight:800;text-decoration:none;color:var(--ink);font-size:1.2rem}
.brand img{max-height:44px;width:auto}
.nav nav{display:flex;gap:22px}
.nav nav a{color:var(--ink);text-decoration:none;font-size:.95rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:16px 30px;border-radius:999px;font-weight:700;text-decoration:none;border:0;cursor:pointer;transition:transform .15s,box-shadow .15s;font-size:1.05rem}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--accent),#ff5a1f);color:#fff;box-shadow:0 10px 24px rgba(255,122,24,.35)}
.btn-sm{padding:10px 18px;font-size:.92rem;background:var(--accent);color:#fff}
.btn-block{display:flex;width:100%}
.hero{padding:72px 0 56px;background:radial-gradient(1100px 500px at 80% -10%,#dff0ff,transparent),#fff}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero-media img,.hero-media .wb-pic img{border-radius:var(--radius);box-shadow:0 30px 60px rgba(20,33,61,.15);width:100%;height:auto}
.wb-pic{display:block;margin:0}
.wb-pic img{width:100%;height:auto;display:block}
.trust{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:.95rem;color:var(--muted)}
.trust li::before{content:"✓ ";color:#16a34a;font-weight:700}
.cta-note{font-size:.9rem;color:var(--muted);margin:12px 0 0}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:40px;align-items:center}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:left}
.card p{color:var(--muted);margin:0}
.steps .card span{display:inline-flex;width:40px;height:40px;border-radius:50%;background:var(--brand);color:#fff;align-items:center;justify-content:center;font-weight:700;margin-bottom:12px}
.wb-figure{margin:36px auto 0;max-width:1000px}
.wb-figure img,.wb-figure .wb-pic img{border-radius:var(--radius);box-shadow:0 20px 40px rgba(20,33,61,.12);width:100%;height:auto}
.wb-figure figcaption{font-size:.88rem;color:var(--muted);margin-top:10px;text-align:center}
.wb-wide{max-width:760px}
.controls-row{margin-top:56px;align-items:center;text-align:left}
.controls-row figure{margin:0}
.controls-row img,.controls-row .wb-pic img{border-radius:var(--radius)}
.buyer-row{align-items:start}
.checklist{list-style:none;margin:0;padding:28px 28px 28px 52px}
.checklist li{margin:.6em 0;position:relative}
.checklist li::before{content:"✓";position:absolute;left:-30px;color:#16a34a;font-weight:700}
.offer{max-width:640px;margin:0 auto;border:2px solid var(--brand);border-radius:20px;padding:44px 40px;text-align:center;background:#fff;box-shadow:0 20px 50px rgba(11,125,218,.12)}
.offer-img{max-width:320px;margin:0 auto 24px}
.offer-img img{border-radius:var(--radius)}
details{border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin:12px 0;background:#fff}
summary{cursor:pointer;font-weight:700;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;color:var(--brand);font-size:1.3rem;line-height:1}
details[open] summary::after{content:"–"}
details p{color:var(--muted);margin:12px 0 0}
.final-cta{background:linear-gradient(135deg,#0b3d6e,#0b7dda);color:#fff}
.final-cta h2{color:#fff}
.final-cta .lead{color:#dbeafe}
.final-cta .btn{margin-top:14px}
.related h3 a{text-decoration:none;color:var(--ink)}
.related h3 a:hover{color:var(--brand)}
.site-footer{background:#0f1b2d;color:#c9d3e3;padding:56px 0 30px;font-size:.92rem}
.site-footer a{color:#fff}
.site-footer h4{color:#fff;margin:0 0 12px}
.fcols{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:36px}
.fcols ul{list-style:none;padding:0;margin:0}
.fcols li{margin:8px 0}
.disclosure{border-top:1px solid #243650;margin-top:36px;padding-top:24px}
.disclosure p{margin:0 0 12px}
.copy{margin-top:20px;color:#8b98ad;font-size:.85rem}
.sticky-cta{display:none;position:fixed;left:0;right:0;bottom:0;padding:12px 16px;background:#fff;border-top:1px solid var(--line);transform:translateY(110%);transition:transform .25s;z-index:60}
.sticky-cta.show{transform:none}
#consent{position:fixed;left:16px;right:16px;bottom:16px;max-width:560px;background:#fff;border:1px solid var(--line);box-shadow:0 14px 40px rgba(0,0,0,.18);border-radius:14px;padding:18px;z-index:70;font-size:.9rem}
#consent[hidden]{display:none}
#consent .row{display:flex;gap:10px;margin-top:12px}
#consent button{flex:1;padding:10px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;font-weight:600}
#consent button.accept{background:var(--brand);color:#fff;border-color:var(--brand)}
@media (max-width:900px){
  .hero-grid,.grid-3,.grid-2,.fcols{grid-template-columns:1fr}
  .nav nav{display:none}
  .sticky-cta{display:block}
  body{padding-bottom:78px}
  .offer{padding:32px 22px}
  .controls-row{margin-top:40px}
}

/* ===== CoolEdge additions ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}
.features-img{max-width:440px;margin:44px auto 0;border-radius:var(--radius);box-shadow:0 20px 40px rgba(20,33,61,.12)}
.features-img img{border-radius:var(--radius)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.gallery figure{margin:0}
.gallery figcaption{font-size:.88rem;color:var(--muted);margin-top:8px;text-align:center}
.gallery img,.gallery .wb-pic img{border-radius:var(--radius);box-shadow:0 12px 28px rgba(20,33,61,.10);width:100%;height:auto}
.water-row{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-top:56px}
.water-row figure{margin:0}
.water-row figcaption{font-size:.88rem;color:var(--muted);margin-top:8px;text-align:center}
.water-row img,.water-row .wb-pic img{border-radius:var(--radius);width:100%;height:auto}
.test-cards{margin-top:36px}
.limits-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:36px}
.limits-grid .card{border-left:4px solid var(--accent)}
.ta-left{text-align:left}
.legal h2{font-size:1.35rem;margin-top:1.6em}
.legal ul{padding-left:1.2em}
.legal li{margin:.4em 0}
.narrow .content p{margin:0 0 1em}
@media (max-width:900px){
  .feature-grid,.gallery,.limits-grid{grid-template-columns:1fr}
  .water-row{grid-template-columns:1fr;margin-top:40px}
}