@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;500;600;700;800&display=swap');
:root{--blue:#087ea4;--deep:#063b55;--cyan:#17b7d7;--ink:#123142;--muted:#6b7f89;--bg:#f7fbfd;--white:#fff;--line:#dcebf0;--shadow:0 20px 60px rgba(7,67,91,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Vazirmatn,Arial,sans-serif;color:var(--ink);background:var(--white);line-height:1.8}.container{width:min(1160px,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 rgba(220,235,240,.8)}.nav{height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:9px;color:var(--deep);font-size:24px;font-weight:800;text-decoration:none}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;background:#e5f8fc}.nav-links{display:flex;gap:25px;margin-right:auto}.nav-links a,.text-link,footer a{color:var(--ink);text-decoration:none}.nav-links a:hover,.text-link:hover{color:var(--blue)}.nav-call{background:var(--deep);color:#fff;text-decoration:none;padding:9px 17px;border-radius:12px}.menu-btn{display:none;border:0;background:none;font-size:25px}.hero{overflow:hidden;background:linear-gradient(135deg,#f4fcff,#eaf8fc 55%,#f8fdff)}.hero-grid{min-height:590px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:30px}.eyebrow{color:var(--blue);font-weight:700;font-size:14px}.hero h1{font-size:clamp(42px,6vw,70px);line-height:1.15;margin:14px 0}.hero h1 strong{color:var(--blue)}.hero p{color:var(--muted);max-width:600px;font-size:18px}.hero-actions{display:flex;gap:12px;margin:28px 0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 20px;border-radius:13px;text-decoration:none;font-weight:700;border:1px solid transparent}.primary{background:var(--deep);color:#fff}.ghost{border-color:var(--line);color:var(--deep);background:#fff}.light{background:#fff;color:var(--deep)}.trust-row{display:flex;gap:18px;flex-wrap:wrap;color:#52717d;font-size:13px}.hero-visual{min-height:470px;position:relative;display:grid;place-items:center}.water-orb{position:absolute;width:390px;height:390px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#c9f5ff,#54c8e4 55%,#0a86aa);opacity:.9;filter:blur(.2px);box-shadow:0 35px 80px rgba(8,126,164,.25)}.filter-card{position:relative;width:260px;height:390px;background:rgba(255,255,255,.78);border:1px solid rgba(255,255,255,.9);border-radius:28px;box-shadow:var(--shadow);padding:25px;backdrop-filter:blur(8px)}.filter-top{display:flex;justify-content:space-between;font-weight:800}.filter-top b{background:#dff7fb;color:var(--blue);padding:2px 8px;border-radius:8px}.filter-body{display:flex;gap:10px;align-items:end;height:290px}.filter-tube{height:240px;flex:1;border-radius:18px;background:linear-gradient(90deg,#f5ffff,#b8e8f1 45%,#fff);box-shadow:inset -5px 0 10px rgba(0,80,110,.08)}.filter-tube:nth-child(2){height:220px}.filter-tube:nth-child(3){height:255px}.filter-tube:nth-child(4){height:205px}.filter-base{height:16px;border-radius:20px;background:#d6eaf0}.stats{background:var(--deep);color:#fff}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:24px 0}.stats-grid div{text-align:center;border-left:1px solid rgba(255,255,255,.15)}.stats-grid div:last-child{border:0}.stats-grid strong{display:block;font-size:24px}.stats-grid span{font-size:13px;opacity:.75}.section{padding:90px 0}.soft{background:var(--bg)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}.section h2{font-size:34px;line-height:1.35;margin:6px 0}.categories{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:25px}.cat{border:1px solid var(--line);background:#fff;color:var(--muted);padding:8px 16px;border-radius:11px;font-family:inherit;cursor:pointer}.cat.active{background:var(--blue);color:#fff;border-color:var(--blue)}.products{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.product{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff;transition:.25s}.product:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.product-img{height:190px;background:linear-gradient(145deg,#eefbfe,#d9f1f5);display:grid;place-items:center;font-size:72px}.product-body{padding:17px}.product-body h3{font-size:17px;margin:0 0 6px}.product-body p{font-size:13px;color:var(--muted);margin:0 0 12px}.product-price{font-weight:800;color:var(--blue)}.services{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.services article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px}.services article span{font-size:34px}.services h3{margin:10px 0 5px}.services p{margin:0;color:var(--muted);font-size:14px}.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}.about-art{min-height:360px;border-radius:35px;background:linear-gradient(145deg,#e5f8fc,#bceaf3);display:grid;place-items:center}.drop{font-size:120px;filter:drop-shadow(0 20px 20px rgba(0,70,100,.18))}.about p{color:var(--muted)}.checks p{color:var(--ink);font-weight:600}.contact-band{background:linear-gradient(110deg,var(--deep),#087ea4);color:#fff;padding:65px 0}.contact-grid{display:flex;align-items:center;justify-content:space-between;gap:30px}.contact-band .eyebrow{color:#a8edf8}.contact-band h2{font-size:34px;margin:8px 0}.contact-band p{opacity:.8}.contact-actions{display:flex;gap:10px;flex-wrap:wrap}footer{background:#062d41;color:#d8e8ed;padding:55px 0 0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}.footer-grid .brand{color:#fff}.footer-grid a{display:block;color:#d8e8ed;margin:7px 0}.footer-grid h4{margin-top:0}.footer-grid p{opacity:.75;font-size:14px}.copyright{text-align:center;border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding:17px;font-size:12px;opacity:.65}
@media(max-width:850px){.nav-links,.nav-call{display:none}.menu-btn{display:block;margin-right:auto}.nav{height:68px}.hero-grid,.about-grid{grid-template-columns:1fr}.hero{padding-bottom:35px}.hero-visual{min-height:380px;order:-1}.water-orb{width:300px;height:300px}.filter-card{transform:scale(.82)}.products{grid-template-columns:repeat(2,1fr)}.services{grid-template-columns:repeat(2,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr);gap:15px}.stats-grid div{border:0}.contact-grid{display:block}.contact-actions{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:520px){.hero h1{font-size:42px}.hero p{font-size:15px}.section{padding:65px 0}.section-head{display:block}.section h2,.contact-band h2{font-size:27px}.products,.services{grid-template-columns:1fr}.product-img{height:170px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.hero-actions .btn{flex:1}.trust-row{font-size:11px}}

.brand-logo{width:48px;height:48px;object-fit:contain;border-radius:12px}
.product-img{height:250px;display:grid;place-items:center;overflow:hidden;background:#f4fbfd;border-radius:18px 18px 0 0}
.product-img img{width:100%;height:100%;object-fit:cover;display:block}
.product-placeholder{font-size:64px}
@media(max-width:760px){
  .brand-logo{width:42px;height:42px}
  .nav-links.mobile-open{display:flex;position:absolute;top:70px;right:4%;left:4%;padding:18px;background:#fff;border:1px solid var(--line);border-radius:16px;flex-direction:column;box-shadow:var(--shadow)}
  .product-img{height:220px}
}