:root{
  /* Paleta Cristalina - Água Pura */
  --bg:#f0f9ff;
  --surface:#ffffff;
  --surface-2:#e0f2fe;
  --card:#ffffff;
  --text:#0c4a6e;
  --muted:#075985;
  --muted-2:#0369a1;
  --stroke:rgba(14,165,233,.15);
  --primary:#0ea5e9;
  --primary-2:#38bdf8;
  --accent:#06b6d4;
  --ok:#10b981;
  --danger:#ef4444;
  --shadow: 0 10px 40px rgba(14,165,233,.12);
  --radius:18px;
  --radius-sm:12px;
  --container:1120px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(900px 600px at 15% 10%, rgba(14,165,233,.08), transparent 55%),
    radial-gradient(800px 500px at 90% 20%, rgba(56,189,248,.06), transparent 50%),
    linear-gradient(180deg, #f0f9ff, #e0f2fe 40%, #f0f9ff);
}

a{color:inherit; text-decoration:none}
a:hover{text-decoration:underline}

.container{max-width:var(--container); padding:0 18px; margin:0 auto}

.skip-link{position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden}
.skip-link:focus{left:18px; top:18px; width:auto; height:auto; padding:10px 14px; background:#000; border-radius:10px; z-index:9999}

.topbar{background:rgba(255,255,255,.85); border-bottom:1px solid var(--stroke); backdrop-filter:blur(8px)}
.topbar__inner{display:flex; align-items:center; justify-content:space-between; gap:12px; padding:10px 0; flex-wrap:wrap}
.topbar__left,.topbar__right{display:flex; gap:14px; align-items:center; flex-wrap:wrap}
.topbar__meta{color:var(--muted); font-size:13px}
.topbar__link{color:var(--muted); font-size:13px}
.topbar__link:hover{color:var(--text); text-decoration:none}

.pill{display:inline-flex; gap:8px; align-items:center; font-size:12px; padding:6px 10px; border:1px solid var(--stroke); border-radius:999px; background:rgba(14,165,233,.05); color:var(--muted)}

.site-header{position:sticky; top:0; z-index:50; backdrop-filter:saturate(140%) blur(12px)}
.navbar{background:rgba(255,255,255,.92); border-bottom:1px solid var(--stroke)}
.navbar--simple{background:rgba(255,255,255,.95)}
.navbar__inner{display:flex; align-items:center; justify-content:space-between; padding:14px 0; gap:14px}

.brand{display:flex; gap:12px; align-items:center}
.brand__logo{
  width:42px; height:42px; border-radius:14px;
  background:linear-gradient(135deg, #0ea5e9, #38bdf8);
  display:grid; place-items:center; font-weight:800; color:#ffffff;
  box-shadow: 0 6px 20px rgba(14,165,233,.25);
}

.brand__logo-img{
  height:56px;
  width:auto;
  max-width:280px;
  object-fit:contain;
  border-radius:12px;
}
.brand__logo-img--footer{
  height:46px;
  background:rgba(255,255,255,.95);
  padding:6px 10px;
  border:1px solid var(--stroke);
}

.brand__text strong{display:block; font-size:14px; letter-spacing:.2px}
.brand__text span{display:block; font-size:12px; color:var(--muted)}

.nav-toggle{display:none; background:transparent; border:1px solid var(--stroke); color:var(--text); border-radius:12px; padding:10px 12px}
.nav{display:flex; gap:16px; align-items:center}
.nav a{color:var(--muted); font-size:14px; font-weight:500; padding:8px 10px; border-radius:12px}
.nav a:hover{color:var(--text); text-decoration:none; background:rgba(14,165,233,.08)}
.nav__cta{background:linear-gradient(135deg, #0ea5e9, #38bdf8); color:#ffffff !important}
.nav__cta:hover{filter:brightness(1.02)}
.nav__icon{position:relative}
.cart-badge{position:absolute; top:2px; right:2px; transform:translate(45%,-45%);
  background:#06b6d4; color:#ffffff; border-radius:999px; font-size:11px;
  padding:2px 7px; font-weight:800; border:2px solid #ffffff; box-shadow:0 2px 8px rgba(6,182,212,.3)
}

.hero{padding:44px 0 10px; position:relative; overflow:hidden}
.hero::before{content:""; position:absolute; inset:0; background:url('../images/clean-water.jpg') center/cover no-repeat; opacity:0.08; z-index:-1}
.hero__inner{display:grid; grid-template-columns: 1.25fr .85fr; gap:24px; align-items:stretch; position:relative; z-index:1}
.hero__copy{padding:22px 0}
.hero h1{font-size:44px; line-height:1.05; margin:0 0 12px}
.hero p{margin:0 0 18px; color:var(--muted); font-size:16px; line-height:1.6}
.text-grad{background:linear-gradient(90deg, var(--primary), var(--primary-2)); -webkit-background-clip:text; background-clip:text; color:transparent}

.hero__actions{display:flex; gap:12px; flex-wrap:wrap; margin-bottom:18px}

.btn{display:inline-flex; gap:10px; align-items:center; justify-content:center;
  padding:11px 14px; border-radius:14px; border:1px solid var(--stroke);
  font-weight:700; font-size:14px; cursor:pointer; background:rgba(14,165,233,.04); color:var(--text)
}
.btn:hover{text-decoration:none; filter:brightness(1.02)}
.btn--primary{background:linear-gradient(135deg, #0ea5e9, #38bdf8); color:#ffffff; border-color:transparent}
.btn--ghost{background:transparent}
.btn--whatsapp{background:linear-gradient(135deg, #10b981, #059669); color:#ffffff; border-color:transparent}

.hero__stats{display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:10px; margin-top:18px}
.stat{border:1px solid var(--stroke); border-radius:var(--radius-sm); padding:12px; background:rgba(255,255,255,.7); backdrop-filter:blur(8px)}
.stat strong{display:block; font-size:14px}
.stat span{display:block; font-size:12px; color:var(--muted)}

.hero__card{position:relative; border-radius:var(--radius); overflow:hidden; border:1px solid var(--stroke); background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(224,242,254,.8)); box-shadow:var(--shadow); backdrop-filter:blur(10px)}
.glass{padding:18px}
.h4{font-size:16px; margin:0 0 8px}
.link{display:inline-flex; gap:8px; align-items:center; color:var(--primary); font-weight:700}
.link:hover{text-decoration:none; color:var(--text)}
.hero__wave{position:absolute; inset:auto -20% -45% -20%; height:260px; background:
  radial-gradient(closest-side at 30% 40%, rgba(14,165,233,.2), transparent 70%),
  radial-gradient(closest-side at 70% 60%, rgba(56,189,248,.15), transparent 72%),
  linear-gradient(135deg, rgba(14,165,233,.18), rgba(56,189,248,.08));
  transform:rotate(-6deg);
}

.section{padding:46px 0}
.section--soft{background:rgba(224,242,254,.4); border-top:1px solid var(--stroke); border-bottom:1px solid var(--stroke)}
.section__head{margin-bottom:18px}
.section__head h2{margin:0 0 8px; font-size:28px}
.section__head p{margin:0; color:var(--muted); line-height:1.6}
.section__foot{margin-top:16px}

.grid{display:grid; gap:14px}
.grid--2{grid-template-columns:repeat(2, minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3, minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4, minmax(0,1fr))}

.card{border:1px solid var(--stroke); background:rgba(255,255,255,.85); border-radius:var(--radius); padding:16px; box-shadow: 0 8px 24px rgba(14,165,233,.08); backdrop-filter:blur(8px)}
.card__icon{font-size:20px; color:var(--primary); margin-bottom:10px}
.card__image{width:100%; height:180px; object-fit:cover; border-radius:var(--radius-sm); margin-bottom:12px}
.card h3{margin:0 0 8px; font-size:18px}
.card p{margin:0; color:var(--muted); line-height:1.6}

.card--split{display:flex; gap:14px; align-items:stretch; justify-content:space-between}
.badge-panel{width:160px; border-radius:16px; border:1px solid var(--stroke); background:rgba(14,165,233,.08);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:10px}
.badge-panel__icon{width:54px; height:54px; border-radius:18px; display:grid; place-items:center;
  background:linear-gradient(135deg, #0ea5e9, #38bdf8); color:#ffffff}
.badge-panel__text{font-weight:800; color:var(--text)}

.checklist{list-style:none; padding:0; margin:12px 0 0; display:grid; gap:8px}
.checklist i{color:var(--ok); margin-right:8px}

.steps{display:grid; gap:10px; margin-top:10px}
.step{display:flex; gap:10px; align-items:flex-start; color:var(--muted); line-height:1.5}
.step span{flex:0 0 auto; width:26px; height:26px; border-radius:10px; display:grid; place-items:center; font-weight:800;
  background:#06b6d4; color:#ffffff}

.form{display:grid; gap:12px}
.form__row{display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:12px}
label{display:grid; gap:8px; font-size:13px; color:var(--muted)}
input,textarea,select{
  width:100%; padding:12px 12px; border-radius:14px; border:1px solid var(--stroke);
  background:rgba(255,255,255,.9); color:var(--text); outline:none
}
input:focus,textarea:focus,select:focus{border-color:var(--primary); box-shadow:0 0 0 4px rgba(14,165,233,.12)}
.form__actions{display:flex; gap:10px; align-items:center; flex-wrap:wrap}
.form__note{margin:0; color:var(--muted); font-size:13px}
.muted{color:var(--muted)}

.info-list{list-style:none; padding:0; margin:12px 0 0; display:grid; gap:10px; color:var(--muted)}
.info-list i{color:var(--primary); width:18px}
.callout{margin-top:14px; padding:14px; border-radius:16px; border:1px dashed var(--primary); background:rgba(14,165,233,.08)}
.callout h4{margin:0 0 6px}
.callout p{margin:0; color:var(--muted)}

.site-footer{padding:22px 0; border-top:1px solid var(--stroke); background:rgba(224,242,254,.6)}
.footer__inner{display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap}
.footer__brand{display:flex; align-items:center; gap:12px}
.footer__links{display:flex; gap:10px; flex-wrap:wrap}
.footer__links a{color:var(--muted); font-size:13px; padding:6px 10px; border-radius:12px}
.footer__links a:hover{text-decoration:none; color:var(--text); background:rgba(14,165,233,.08)}
.footer__copy small{color:var(--muted-2)}

.float-whats{position:fixed; right:16px; bottom:16px; width:52px; height:52px; border-radius:18px;
  display:grid; place-items:center; background:linear-gradient(135deg, #10b981, #059669); color:#ffffff;
  box-shadow: 0 8px 24px rgba(16,185,129,.35); border:2px solid rgba(255,255,255,.5); z-index:60}
.float-whats:hover{text-decoration:none; filter:brightness(1.03)}

/* shop */
.shop-toolbar{display:grid; grid-template-columns: 1.3fr .6fr .6fr; gap:12px; align-items:center; margin-bottom:14px}
.search{position:relative}
.search i{position:absolute; left:12px; top:50%; transform:translateY(-50%); color:var(--muted)}
.search input{padding-left:36px}

.product-card{display:flex; flex-direction:column; gap:10px}
.product-card__top{display:flex; align-items:flex-start; justify-content:space-between; gap:8px}
.tag{display:inline-flex; align-items:center; gap:8px; font-size:12px; padding:6px 10px; border-radius:999px;
  border:1px solid var(--stroke); background:rgba(14,165,233,.08); color:var(--muted)}
.price{font-weight:900; color:var(--primary)}
.product-card h3{margin:0; font-size:16px}
.product-card p{margin:0; color:var(--muted); font-size:13px; line-height:1.5}
.product-card__actions{display:flex; gap:10px; margin-top:auto}

.breadcrumbs{display:flex; gap:8px; align-items:center; color:var(--muted); font-size:13px; margin-bottom:12px}

.product{display:grid; grid-template-columns: 1fr 1fr; gap:14px}
.product__media{border-radius:var(--radius); border:1px solid var(--stroke); background:rgba(255,255,255,.85); padding:16px; min-height:260px; position:relative; overflow:hidden; backdrop-filter:blur(8px)}
.product__media::before{content:""; position:absolute; inset:-40% -20% auto -20%; height:260px; background:radial-gradient(closest-side at 30% 50%, rgba(14,165,233,.2), transparent 70%);
  transform:rotate(-10deg)}
.product__panel{display:grid; gap:10px}
.kv{display:grid; gap:8px; color:var(--muted); font-size:13px}
.kv strong{color:var(--text)}

.cart{display:grid; gap:10px}
.cart-row{display:flex; gap:12px; align-items:center; justify-content:space-between; border:1px solid var(--stroke); border-radius:16px; padding:12px; background:rgba(255,255,255,.7); backdrop-filter:blur(8px)}
.cart-row__meta{display:grid; gap:3px}
.cart-row__meta strong{font-size:14px}
.cart-row__meta span{font-size:12px; color:var(--muted)}
.qty{display:flex; gap:8px; align-items:center}
.qty button{width:34px; height:34px; border-radius:12px}
.cart--compact .cart-row{padding:10px}

.summary{display:grid; gap:10px}
.summary__row{display:flex; align-items:center; justify-content:space-between; color:var(--muted)}
.summary__row strong{color:var(--text)}

.stack{display:grid; gap:10px}

@media (max-width: 980px){
  .hero__inner{grid-template-columns:1fr;}
  .hero h1{font-size:38px}
  .grid--4{grid-template-columns:repeat(2, minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2, minmax(0,1fr))}
  .product{grid-template-columns:1fr}
  .badge-panel{display:none}
}

@media (max-width: 720px){
  .topbar{display:none}
  .nav-toggle{display:inline-flex}
  .nav{display:none; position:absolute; left:0; right:0; top:100%; background:rgba(255,255,255,.96);
    border-bottom:1px solid var(--stroke); padding:12px 18px; flex-direction:column; align-items:stretch; backdrop-filter:blur(12px)}
  .nav.is-open{display:flex}
  .nav a{padding:12px 12px}
  .hero{padding-top:26px}
  .hero h1{font-size:32px}
  .hero__stats{grid-template-columns:1fr;}
  .grid--3,.grid--2{grid-template-columns:1fr}
  .form__row{grid-template-columns:1fr}
  .shop-toolbar{grid-template-columns:1fr;}
}