:root{--blue:#26a9e0;--deep:#086b91;--navy:#06384b;--pale:#effbff;--text:#173c4a;--muted:#68828b;--line:#d8edf4;--white:#fff;--shadow:0 18px 50px rgba(7,88,116,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--text);background:white}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.container{width:min(1120px,92%);margin:auto}
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{display:flex;gap:10px;align-items:center}.logo>span{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:#dff7ff;font-size:25px}.logo b{font-size:19px;color:var(--navy)}.logo em{font-style:normal;color:var(--blue)}nav{display:flex;gap:24px}nav a{font-weight:700;color:#4c6d78}.nav-actions{display:flex;gap:8px}.nav-actions button{border:1px solid var(--line);background:white;border-radius:11px;padding:9px 12px;cursor:pointer}
.hero{background:linear-gradient(135deg,#f9feff,#dff7ff);padding:80px 0}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center}.pill{display:inline-block;background:white;border:1px solid var(--line);padding:8px 11px;border-radius:999px;color:var(--deep);font-weight:800;font-size:12px}.hero h1{font-size:clamp(42px,6vw,70px);line-height:1.02;letter-spacing:-2.5px;color:var(--navy);margin:18px 0}.hero p{font-size:18px;line-height:1.7;color:#56727c;max-width:620px}.cta-row{display:flex;gap:10px;margin:28px 0}.btn{border:0;border-radius:13px;padding:13px 20px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.primary{background:var(--deep);color:white}.ghost{background:white;border:1px solid var(--line);color:var(--navy)}.white{background:white;color:var(--navy)}.full{width:100%}.hero-badges{display:flex;gap:12px;flex-wrap:wrap;font-size:13px;font-weight:700;color:#4f707b}
.tank{width:min(430px,100%);height:340px;margin:auto;border:12px solid white;border-bottom-width:22px;border-radius:28px;box-shadow:var(--shadow);overflow:hidden}.water{height:100%;position:relative;background:linear-gradient(#75d9ef,#c9f4fb)}.water i{position:absolute;font-style:normal;font-size:48px;animation:swim 5s ease-in-out infinite}.water i:nth-child(1){top:25%;left:12%}.water i:nth-child(2){top:50%;right:14%;animation-delay:1s}.water i:nth-child(3){top:60%;left:40%;animation-delay:2s}.water b{position:absolute;bottom:20px;left:10%;font-size:75px}.water strong{position:absolute;bottom:22px;right:14%;font-size:55px}@keyframes swim{50%{transform:translateX(18px) translateY(-8px)}}
.section{padding:85px 0}.light{background:#f8fdff}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:25px}.section h2{font-size:38px;margin:7px 0;color:var(--navy);letter-spacing:-1px}.section small,.eyebrow{font-weight:900;color:var(--deep);letter-spacing:1.5px}.tools{display:flex;gap:8px}.tools input,.tools select{padding:12px;border:1px solid var(--line);border-radius:12px;background:white}.products{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:white;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 8px 28px rgba(7,88,116,.06)}.pic{height:210px;background:linear-gradient(135deg,#dcf7ff,#f8feff);display:grid;place-items:center;font-size:78px;overflow:hidden}.pic img{width:100%;height:100%;object-fit:cover}.card-body{padding:18px}.tag{font-size:11px;font-weight:900;color:var(--deep);text-transform:uppercase}.card h3{margin:7px 0;color:var(--navy)}.card p{color:var(--muted);font-size:14px;line-height:1.5;min-height:42px}.stock{font-size:12px;color:#4b7987}.price{font-size:20px;font-weight:900;color:var(--deep);margin:12px 0}.add{width:100%;border:0;background:#e6f8fc;color:var(--deep);padding:11px;border-radius:10px;font-weight:900;cursor:pointer}
.delivery-grid,.about-grid{display:grid;grid-template-columns:1fr 380px;gap:70px;align-items:center}.section p{color:var(--muted);line-height:1.75}.info-card{padding:32px;border:1px solid var(--line);border-radius:22px;background:white;box-shadow:var(--shadow)}.info-card>span{font-size:48px}.contact-box{border-radius:26px;padding:45px;background:var(--navy);color:white;display:flex;justify-content:space-between;align-items:center;gap:20px}.contact-box h2{color:white}.contact-box p{color:#c5dce4}.foot{display:flex;justify-content:space-between;gap:20px;padding:25px 0;color:var(--muted);font-size:13px}
.drawer-wrap,.modal-wrap{position:fixed;inset:0;z-index:50;pointer-events:none}.drawer-wrap.open,.modal-wrap.open{pointer-events:auto}.overlay{position:absolute;inset:0;background:rgba(2,34,45,.4);opacity:0;transition:.2s}.open>.overlay{opacity:1}.drawer{position:absolute;right:0;top:0;height:100%;width:min(420px,94%);background:white;transform:translateX(100%);transition:.25s;display:flex;flex-direction:column}.open .drawer{transform:none}.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid var(--line)}.drawer-head button,.x{border:0;background:none;font-size:20px;cursor:pointer}.cart-items{padding:18px;overflow:auto;flex:1}.cart-row{display:grid;grid-template-columns:1fr auto;gap:10px;padding:14px 0;border-bottom:1px solid var(--line)}.cart-row h4{margin:0 0 4px}.qty{display:flex;align-items:center;gap:7px}.qty button{border:1px solid var(--line);background:white;border-radius:7px;width:28px;height:28px}.drawer-foot{padding:20px;border-top:1px solid var(--line)}.total{display:flex;justify-content:space-between;margin-bottom:14px;font-size:18px}.modal{position:absolute;left:50%;top:50%;transform:translate(-50%,-48%);width:min(650px,94%);max-height:92vh;overflow:auto;background:white;border-radius:24px;padding:28px;opacity:0;transition:.2s;box-shadow:var(--shadow)}.modal-wrap.open .modal{opacity:1;transform:translate(-50%,-50%)}.x{position:absolute;right:18px;top:16px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}label{font-weight:700;font-size:13px}label input,label textarea{display:block;width:100%;margin-top:6px;padding:11px;border:1px solid var(--line);border-radius:10px}.choice-row,.choice-col{display:flex;gap:10px;margin:10px 0 18px}.choice-col{flex-direction:column}.choice{border:1px solid var(--line);border-radius:12px;padding:12px;background:#fbfeff;font-weight:700}.choice input{width:auto;display:inline;margin:0 6px 0 0}.summary{background:var(--pale);padding:15px;border-radius:13px;margin:16px 0}.summary div{display:flex;justify-content:space-between;padding:5px 0}.muted,.tiny{color:var(--muted)}.tiny{font-size:11px}.hidden{display:none}.empty{text-align:center;padding:40px;color:var(--muted)}
@media(max-width:850px){nav{display:none}.hero-grid,.delivery-grid,.about-grid{grid-template-columns:1fr}.products{grid-template-columns:repeat(2,1fr)}.section-head{align-items:stretch;flex-direction:column}.contact-box{flex-direction:column;align-items:flex-start}}
@media(max-width:560px){.hero{padding:55px 0}.products{grid-template-columns:1fr}.tools,.cta-row,.choice-row{flex-direction:column}.form-grid{grid-template-columns:1fr}.section h2{font-size:31px}.foot{flex-direction:column}.tank{height:280px}}

/* Version 2.2 */
#siteLogo{display:none;width:48px;height:48px;object-fit:contain;border-radius:12px}
.hero-photo{display:none;width:100%;height:100%;object-fit:cover}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery-item{aspect-ratio:4/3;border-radius:18px;overflow:hidden;background:var(--pale);border:1px solid var(--line);box-shadow:0 8px 24px rgba(7,88,116,.07)}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:.25s}
.gallery-item:hover img{transform:scale(1.035)}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:28px}
.review-card{background:white;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 8px 24px rgba(7,88,116,.06)}
.review-card .stars{color:#e5a100;letter-spacing:2px;font-size:18px}
.review-card h3{margin:10px 0 7px;color:var(--navy)}
.review-card p{margin:0}
.review-form-card{background:white;border:1px solid var(--line);border-radius:20px;padding:24px;max-width:720px;box-shadow:var(--shadow)}
.review-form-card label{display:block;margin-bottom:13px}
.review-form-card select{display:block;width:100%;margin-top:6px;padding:11px;border:1px solid var(--line);border-radius:10px;background:white}
@media(max-width:850px){.gallery-grid,.reviews-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.gallery-grid,.reviews-grid{grid-template-columns:1fr}}

/* Version 2.3 policy pages */
.policy-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:12px}
.policy-links a{color:inherit;text-decoration:underline;text-underline-offset:3px}
.policy-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.policy-topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:14px;padding-bottom:14px}
.policy-page{max-width:920px;padding-top:54px;padding-bottom:70px}
.policy-page h1{font-size:clamp(2rem,5vw,3.4rem);margin:6px 0 12px;color:var(--navy)}
.policy-intro{font-size:1.08rem;line-height:1.75;max-width:760px}
.policy-meta{display:inline-block;margin:10px 0 28px;padding:7px 11px;border-radius:999px;background:var(--pale);color:var(--navy);font-size:.9rem}
.policy-section{padding:22px 0;border-top:1px solid var(--line)}
.policy-section h2{margin:0 0 10px;color:var(--navy);font-size:1.3rem}
.policy-section p{margin:0;line-height:1.78}
.site-footer{padding:28px 0;border-top:1px solid var(--line);background:#fff}
.eyebrow{font-size:.82rem;font-weight:800;letter-spacing:.12em;color:var(--blue)}