:root{
  --bg:#f4fbff; --card:#ffffff; --ink:#10233a; --muted:#66788a;
  --primary:#0878d1; --primary-dark:#07599b; --line:#dceaf3;
  --soft:#eaf7ff; --success:#0b8f5a;
}
*{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:linear-gradient(180deg,#edf9ff 0%,#f8fcff 48%,#fff 100%);line-height:1.6
}
a{color:inherit}.container{width:min(1080px,92%);margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:800}
.brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#0878d1,#1aa7ef);color:#fff;font-size:21px;box-shadow:0 8px 22px rgba(8,120,209,.22)}
.brand small{display:block;font-size:11px;color:var(--muted);font-weight:700;letter-spacing:.08em}
nav{display:flex;gap:18px;flex-wrap:wrap}nav a{text-decoration:none;color:#3b5065;font-size:14px;font-weight:700}nav a:hover{color:var(--primary)}
.hero{padding:76px 0 54px}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--soft);color:var(--primary-dark);border:1px solid #cbeaff;padding:7px 12px;border-radius:999px;font-size:13px;font-weight:800}
h1{font-size:clamp(38px,7vw,72px);line-height:1.02;margin:18px 0 20px;letter-spacing:-.045em}
.hero p{font-size:18px;color:#52677a;max-width:680px}.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;justify-content:center;align-items:center;padding:13px 18px;border-radius:14px;text-decoration:none;font-weight:800;border:1px solid transparent}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(8,120,209,.22)}.btn-secondary{background:#fff;border-color:var(--line);color:var(--ink)}
.hero-card{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:0 24px 60px rgba(22,69,101,.12)}
.water-icon{width:110px;height:110px;border-radius:32px;margin:0 auto 22px;display:grid;place-items:center;font-size:58px;background:linear-gradient(135deg,#dff4ff,#effcff)}
.status{display:flex;align-items:center;justify-content:center;gap:9px;color:var(--success);font-weight:800;font-size:14px}
.dot{width:9px;height:9px;border-radius:50%;background:var(--success);box-shadow:0 0 0 5px rgba(11,143,90,.12)}
.section{padding:58px 0}.section-title{text-align:center;max-width:720px;margin:0 auto 34px}.section-title h2{font-size:34px;line-height:1.15;margin:0 0 12px}.section-title p{color:var(--muted);margin:0}
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.product{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 12px 36px rgba(22,69,101,.07)}
.product .volume{font-size:31px;font-weight:900;letter-spacing:-.03em}.product .price{font-size:20px;color:var(--primary-dark);font-weight:900;margin:6px 0 13px}
.product button{width:100%;margin-top:8px;border:0;background:#eaf7ff;color:#0b6bb2;padding:12px;border-radius:12px;font-weight:800;cursor:not-allowed}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{background:#fff;border:1px solid var(--line);border-radius:20px;padding:21px}
.step-num{width:38px;height:38px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:900;margin-bottom:14px}.step h3{margin:0 0 6px;font-size:17px}.step p{margin:0;color:var(--muted);font-size:14px}
.info-panel{display:grid;grid-template-columns:1fr 1fr;gap:22px;background:#0b3150;color:#fff;border-radius:26px;padding:32px}.info-panel p{color:#c9dce9}
.badge-list{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.badge{padding:8px 11px;border-radius:999px;background:rgba(255,255,255,.10);font-size:13px;font-weight:700}
.page-hero{padding:58px 0 24px}.page-hero h1{font-size:46px}
.content-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:0 12px 36px rgba(22,69,101,.06);margin-bottom:22px}
.content-card h2{margin-top:0}.content-card h3{margin-bottom:6px}.content-card p,.content-card li{color:#4f6477}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.contact-box{background:#fff;border:1px solid var(--line);padding:24px;border-radius:20px}
.contact-box span{display:block;color:var(--muted);font-size:13px;margin-bottom:5px}.contact-box strong{font-size:17px}
.notice{margin-top:18px;padding:14px 16px;border-radius:14px;background:#fff8e7;border:1px solid #f1dfac;color:#745a13;font-size:14px}
footer{margin-top:40px;border-top:1px solid var(--line);background:#fff}.footer-inner{padding:28px 0;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px}.footer-links{display:flex;gap:14px;flex-wrap:wrap}.footer-links a{text-decoration:none}
@media(max-width:820px){.hero-grid,.info-panel{grid-template-columns:1fr}.products{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}nav{display:none}}
@media(max-width:520px){.hero{padding-top:50px}h1{font-size:42px}.steps,.contact-grid{grid-template-columns:1fr}.hero-card{padding:22px}}