:root{--ink:#102f3b;--muted:#58707a;--blue:#0d7188;--aqua:#13a5ad;--pale:#e9f7f5;--sand:#f5f0e6;--white:#fff;--line:#d8e5e5;--max:1160px;--radius:20px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fbfdfc;line-height:1.65}
a{color:var(--blue)}img{max-width:100%}.site-header{height:78px;display:flex;align-items:center;gap:30px;padding:0 max(22px,calc((100vw - var(--max))/2));background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(10px)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-size:14px;line-height:1}.brand b{font-size:19px}.drop{width:38px;height:38px;border-radius:50% 50% 50% 12px;background:linear-gradient(145deg,var(--aqua),var(--blue));display:grid;place-items:center;color:white;transform:rotate(-12deg)}
nav{margin-left:auto;display:flex;gap:24px}nav a{text-decoration:none;color:var(--ink);font-weight:700;font-size:14px}.menu{display:none;margin-left:auto;background:none;border:0;font-size:26px}
main{overflow:hidden}.hero{background:radial-gradient(circle at 85% 20%,#bcebe7 0,transparent 26%),linear-gradient(135deg,#eefaf8,#fff 60%);border-bottom:1px solid var(--line)}.hero-inner{max-width:var(--max);margin:auto;padding:82px 22px 68px;display:grid;grid-template-columns:1.25fr .75fr;gap:55px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.13em;color:var(--blue);font-size:12px;font-weight:850}.hero h1,.article h1{font-family:Georgia,serif;font-size:clamp(42px,6vw,72px);line-height:1.02;letter-spacing:-.035em;margin:.15em 0}.article h1{font-size:clamp(38px,5vw,62px)}.lede{font-size:20px;color:#355761;max-width:760px}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--ink);color:#fff;text-decoration:none;padding:15px 22px;border-radius:999px;font-weight:800;box-shadow:0 8px 24px #102f3b22}.btn:hover{transform:translateY(-1px)}.btn.secondary{background:white;color:var(--ink);border:1px solid var(--line);box-shadow:none}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.water-card{background:var(--ink);color:white;border-radius:34px;padding:34px;min-height:330px;position:relative;overflow:hidden}.water-card:after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;background:#20bac2;right:-90px;bottom:-90px;opacity:.35}.water-card .big{font-family:Georgia,serif;font-size:38px;line-height:1.05}.water-card small{color:#b8d9dd}
.section{max-width:var(--max);margin:auto;padding:68px 22px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card,.related-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-decoration:none;color:var(--ink);box-shadow:0 8px 24px #102f3b08}.card h3{margin-top:0}.card p{color:var(--muted)}.article{max-width:820px;margin:auto;padding:68px 22px}.article h2{font-family:Georgia,serif;font-size:34px;line-height:1.15;margin-top:52px}.article h3{font-size:22px}.article p,.article li{font-size:18px}.article li{margin:.55em 0}.note,.verdict{background:var(--pale);border-left:5px solid var(--aqua);padding:20px 24px;border-radius:0 16px 16px 0;margin:28px 0}.verdict{background:var(--sand);border-color:#d8a95b}.steps{display:grid;gap:8px}.steps span{padding:14px 18px;background:var(--pale);border-radius:12px;font-weight:750}.commerce{background:var(--ink);color:white;border-radius:26px;padding:28px;margin:42px 0}.commerce p{color:#c7dadd}.commerce .btn{background:#fff;color:var(--ink)}.disclaimer{font-size:13px!important;color:var(--muted)}.related{background:#f0f8f7}.related-grid{max-width:var(--max);margin:auto;padding:52px 22px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.related-card{display:flex;flex-direction:column;gap:12px}.related-card b{color:var(--blue);font-size:13px}
footer{background:#0b2933;color:#d6e6e8;padding:50px 22px}.footer-in{max-width:var(--max);margin:auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}footer a{color:#d6e6e8}.fine{font-size:13px;color:#91adb4}
.popup{position:fixed;right:18px;bottom:18px;width:min(390px,calc(100vw - 36px));background:white;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 18px 60px #0a283555;z-index:100;transform:translateY(140%);transition:.45s ease}.popup.show{transform:none}.popup-close{position:absolute;right:12px;top:10px;border:0;background:none;font-size:22px;cursor:pointer}.popup h3{margin:0 30px 6px 0}.popup p{font-size:14px;color:var(--muted)}.popup .btn{width:100%}
@media(max-width:780px){.site-header{height:auto;min-height:70px;padding:12px 18px}.menu{display:block}nav{display:none;position:absolute;top:70px;left:0;right:0;background:white;padding:18px;flex-direction:column;border-bottom:1px solid var(--line)}nav.open{display:flex}.hero-inner{grid-template-columns:1fr;padding-top:54px}.water-card{min-height:250px}.grid{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr 1fr}.footer-in{grid-template-columns:1fr}.article{padding-top:48px}}
@media(max-width:480px){.related-grid{grid-template-columns:1fr}.hero h1,.article h1{font-size:40px}.article h2{font-size:29px}.lede{font-size:18px}.actions .btn{width:100%}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}