*{box-sizing:border-box;margin:0;padding:0}
:root{
  --red:#d71920;
  --red-dark:#aa1016;
  --yellow:#ffc928;
  --blue:#123a66;
  --dark:#101820;
  --muted:#66717d;
  --light:#f4f7fa;
  --white:#fff;
}
html{scroll-behavior:smooth}
body{
  font-family:"Montserrat",Arial,sans-serif;
  color:var(--dark);
  background:var(--white);
  line-height:1.6;
}
.container{width:min(1120px,92%);margin:0 auto}
.topo{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid #e9edf1;
  backdrop-filter:blur(10px)
}
.nav{
  min-height:78px;
  display:flex;align-items:center;justify-content:space-between;gap:24px
}
.marca{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--dark)}
.marca img{width:58px;height:58px;object-fit:cover;border-radius:14px}
.marca strong,.marca span{display:block}
.marca strong{font-size:1.05rem}
.marca span{font-size:.74rem;color:var(--muted)}
nav{display:flex;gap:24px}
nav a{text-decoration:none;color:var(--dark);font-weight:700;font-size:.86rem}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:15px 22px;border-radius:13px;text-decoration:none;font-weight:800;
  transition:.2s ease
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 25px rgba(0,0,0,.14)}
.btn-small{background:var(--red);color:var(--white);padding:11px 16px;font-size:.82rem}
.btn-primary{background:var(--red);color:var(--white)}
.hero{
  padding:82px 0;
  background:
    radial-gradient(circle at 80% 20%,rgba(255,201,40,.35),transparent 34%),
    linear-gradient(135deg,#fff 0%,#f7f9fb 55%,#fff1b8 100%);
  overflow:hidden
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:58px;align-items:center}
.tag{
  display:inline-block;color:var(--red);font-size:.78rem;font-weight:900;
  letter-spacing:1.4px;margin-bottom:12px
}
.hero h1,.section-title h2,.contact-grid h2{
  font-size:clamp(2.4rem,5vw,4.6rem);
  line-height:1.02;letter-spacing:-2px
}
.hero p{font-size:1.08rem;color:var(--muted);max-width:620px;margin-top:20px}
.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin:30px 0 22px}
.phone{font-weight:900;color:var(--blue);text-decoration:none}
.quick-points{display:flex;flex-wrap:wrap;gap:14px;font-size:.82rem;font-weight:700;color:#46525e}
.hero-card{
  position:relative;min-height:450px;border-radius:30px;padding:34px;
  background:linear-gradient(145deg,var(--blue),var(--red));
  display:flex;flex-direction:column;justify-content:space-between;align-items:center;
  box-shadow:0 28px 60px rgba(18,58,102,.25)
}
.hero-card img{width:min(100%,330px);aspect-ratio:1/1;object-fit:cover;border-radius:24px;border:6px solid rgba(255,255,255,.85)}
.hero-card-copy{text-align:center;color:var(--white)}
.hero-card-copy strong{display:block;font-size:1.45rem}
.hero-card-copy span{display:block;color:#ffe78c;margin-top:6px;font-weight:700}
.section{padding:92px 0}
.alt{background:var(--light)}
.section-title{text-align:center;max-width:760px;margin:0 auto 44px}
.section-title h2{font-size:clamp(2rem,4vw,3.2rem)}
.section-title p{color:var(--muted);margin-top:14px}
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.product-card{
  position:relative;background:var(--white);border:1px solid #e6ebef;border-radius:22px;
  padding:28px;box-shadow:0 14px 34px rgba(16,24,32,.06)
}
.product-icon{font-size:2.2rem;margin-bottom:14px}
.product-card h3{font-size:1.25rem;margin-bottom:8px}
.product-card p{color:var(--muted);min-height:52px}
.product-card a{
  display:inline-block;margin-top:20px;color:var(--red);font-weight:900;text-decoration:none
}
.product-card.featured{border:2px solid var(--yellow);transform:translateY(-6px)}
.badge{
  position:absolute;top:14px;right:14px;background:var(--yellow);padding:7px 10px;
  border-radius:999px;font-size:.7rem;font-weight:900
}
.water-card{background:linear-gradient(180deg,#fff,#eef8ff)}
.benefits-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.benefits-grid article{
  background:var(--white);padding:26px;border-radius:20px;border:1px solid #e5ebf0
}
.benefits-grid span{font-size:2rem}
.benefits-grid h3{margin:12px 0 8px}
.benefits-grid p{color:var(--muted)}
.steps{padding:84px 0;background:var(--blue);color:var(--white)}
.section-title.light .tag{color:var(--yellow)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.steps-grid article{background:rgba(255,255,255,.09);padding:28px;border-radius:22px}
.steps-grid strong{
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  background:var(--yellow);color:var(--dark);font-size:1.25rem;margin-bottom:16px
}
.steps-grid p{color:#dce6ef}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.contact-grid h2{font-size:clamp(2rem,4vw,3.1rem)}
.contact-grid>div>p{color:var(--muted);margin-top:14px}
.contact-list{display:grid;gap:12px;margin-top:24px;font-weight:700}
.contact-list a{text-decoration:none;color:var(--blue)}
.contact-box{background:var(--light);padding:34px;border-radius:24px}
.contact-box h3{font-size:1.4rem}
.contact-box p{margin:10px 0 22px;color:var(--muted)}
.whatsapp-floating{
  position:fixed;right:18px;bottom:18px;z-index:70;
  background:#25d366;color:#fff;text-decoration:none;font-weight:900;
  padding:14px 19px;border-radius:999px;box-shadow:0 12px 26px rgba(0,0,0,.24)
}
footer{background:var(--dark);color:#cbd4dc;padding:24px 0;text-align:center;font-size:.82rem}
@media(max-width:900px){
  nav{display:none}
  .hero-grid,.contact-grid{grid-template-columns:1fr}
  .products-grid{grid-template-columns:repeat(2,1fr)}
  .benefits-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:620px){
  .btn-small{display:none}
  .hero{padding:54px 0 70px}
  .hero h1{letter-spacing:-1.5px}
  .hero-card{min-height:auto}
  .products-grid,.benefits-grid,.steps-grid{grid-template-columns:1fr}
  .product-card.featured{transform:none}
  .section{padding:70px 0}
}


/* Carrinho e finalização de pedido */
.quantity-control{
  display:grid;
  grid-template-columns:44px 68px 44px;
  gap:8px;
  align-items:center;
  margin-top:20px;
}
.quantity-control button{
  width:44px;height:44px;border:0;border-radius:12px;
  background:var(--blue);color:#fff;font-size:1.35rem;font-weight:900;
  cursor:pointer;
}
.quantity-control input{
  width:68px;height:44px;border:1px solid #d9e0e6;border-radius:12px;
  text-align:center;font:800 1rem "Montserrat",sans-serif;
}
.order-section{background:linear-gradient(180deg,#fff8dc,#fff)}
.order-layout{
  display:grid;grid-template-columns:1.35fr .65fr;gap:28px;align-items:start
}
.order-form,.order-summary{
  background:#fff;border:1px solid #e5eaf0;border-radius:24px;
  padding:30px;box-shadow:0 16px 38px rgba(16,24,32,.08)
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-grid label{display:grid;gap:8px;font-weight:800;font-size:.86rem}
.form-grid .full{grid-column:1/-1}
.form-grid input,.form-grid select,.form-grid textarea{
  width:100%;padding:14px 15px;border:1px solid #d8e0e7;border-radius:12px;
  background:#fff;font:500 .95rem "Montserrat",sans-serif
}
.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{
  outline:3px solid rgba(255,201,40,.35);border-color:var(--yellow)
}
.checkout-button{width:100%;margin-top:22px;border:0;cursor:pointer;font-size:1rem}
.form-note{text-align:center;color:var(--muted);font-size:.78rem;margin-top:12px}
.order-summary{position:sticky;top:100px}
.order-summary h3{font-size:1.35rem;margin-bottom:18px}
.cart-items{display:grid;gap:10px;min-height:70px}
.cart-item{
  display:flex;justify-content:space-between;gap:14px;padding:12px 0;
  border-bottom:1px solid #edf0f3
}
.cart-item span{color:var(--muted)}
.empty-cart{color:var(--muted)}
.cart-count{
  display:flex;justify-content:space-between;margin-top:18px;padding-top:18px;
  border-top:2px solid var(--yellow)
}
.cart-count strong{color:var(--red);font-size:1.25rem}
.back-products{display:inline-block;margin-top:18px;color:var(--blue);font-weight:800;text-decoration:none}
.hidden{display:none!important}
.product-card.has-items{border-color:var(--red);box-shadow:0 14px 34px rgba(215,25,32,.14)}
@media(max-width:900px){
  .order-layout{grid-template-columns:1fr}
  .order-summary{position:static}
}
@media(max-width:620px){
  .form-grid{grid-template-columns:1fr}
  .form-grid .full{grid-column:auto}
  .quantity-control{grid-template-columns:44px 62px 44px}
}

/* Nova imagem Marciel Gás */
.marca img{object-fit:contain;background:#fff}
.hero-card img{object-fit:contain;background:#fff}

/* Visual premium e mais chamativo */
body{background:#fff}
.promo-bar{background:linear-gradient(90deg,#081f3f,#0f3f7a);color:#fff;text-align:center;padding:9px 16px;font-weight:800;font-size:.78rem;letter-spacing:.2px}
.topo{box-shadow:0 8px 24px rgba(7,31,63,.06)}
.marca img{width:64px;height:64px;border-radius:16px;box-shadow:0 8px 20px rgba(7,31,63,.12)}
nav a{position:relative}
nav a:after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:3px;background:var(--red);border-radius:10px;transition:.2s}
nav a:hover:after{width:100%}
.hero{padding:88px 0 96px;position:relative;background:radial-gradient(circle at 76% 18%,rgba(255,201,40,.34),transparent 28%),radial-gradient(circle at 10% 85%,rgba(215,25,32,.08),transparent 30%),linear-gradient(135deg,#ffffff 0%,#f7fbff 50%,#fff6cc 100%)}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(18,58,102,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(18,58,102,.035) 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.25),transparent 70%);pointer-events:none}
.hero-grid{position:relative;z-index:1}
.hero h1{font-weight:900;color:#0c2240;text-wrap:balance}
.highlight{color:var(--red);position:relative;white-space:nowrap}
.highlight:after{content:"";position:absolute;left:2%;right:2%;bottom:-5px;height:8px;border-radius:10px;background:var(--yellow);z-index:-1;opacity:.85}
.hero p{font-size:1.14rem}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0}
.trust-row span{background:#fff;border:1px solid #e9edf3;border-radius:999px;padding:9px 12px;font-size:.76rem;font-weight:800;color:#35506d;box-shadow:0 7px 18px rgba(10,40,80,.06)}
.btn{border-radius:15px}
.btn-primary{background:linear-gradient(135deg,#e52228,#b80d13);box-shadow:0 12px 28px rgba(215,25,32,.25)}
.btn-primary:hover{box-shadow:0 16px 30px rgba(215,25,32,.34)}
.hero-card{min-height:500px;border-radius:34px;background:linear-gradient(145deg,#071f40 0%,#0d3a73 55%,#c3161c 100%);box-shadow:0 32px 70px rgba(7,31,64,.28);overflow:hidden}
.hero-card:before{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(255,201,40,.18);top:-100px;right:-70px;filter:blur(2px)}
.hero-card img{width:min(100%,390px);aspect-ratio:1/1;object-fit:contain;border:none;background:transparent;border-radius:0;filter:drop-shadow(0 22px 24px rgba(0,0,0,.25));position:relative;z-index:1}
.hero-card-copy{position:relative;z-index:1;background:rgba(255,255,255,.09);backdrop-filter:blur(8px);width:100%;padding:18px;border-radius:18px;border:1px solid rgba(255,255,255,.15)}
.section-title h2{color:#0c2240;text-wrap:balance}
.product-card{transition:.22s ease;border-color:#e9edf3}
.product-card:hover{transform:translateY(-7px);box-shadow:0 22px 45px rgba(16,24,32,.11);border-color:#dce3eb}
.product-card.featured{background:linear-gradient(180deg,#fffdf3,#fff);box-shadow:0 22px 45px rgba(255,201,40,.18)}
.product-icon{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;background:#f4f7fb}
.quantity-control button{background:linear-gradient(145deg,#0b2b55,#123a66);box-shadow:0 6px 14px rgba(18,58,102,.16)}
.cta-strip{background:linear-gradient(90deg,#d71920,#a90f15);color:#fff;padding:28px 0;box-shadow:inset 0 1px rgba(255,255,255,.12)}
.cta-strip-inner{display:flex;align-items:center;justify-content:space-between;gap:22px}
.cta-strip strong{display:block;font-size:1.35rem}.cta-strip span{display:block;opacity:.88;margin-top:3px}
.btn-contrast{background:#ffc928;color:#101820;box-shadow:0 10px 24px rgba(0,0,0,.16)}
.benefits-grid article{transition:.2s ease;box-shadow:0 10px 28px rgba(16,24,32,.04)}
.benefits-grid article:hover{transform:translateY(-5px);box-shadow:0 18px 36px rgba(16,24,32,.09)}
.steps{background:radial-gradient(circle at 10% 20%,rgba(255,201,40,.14),transparent 24%),linear-gradient(135deg,#071f40,#123a66)}
.order-section{background:linear-gradient(180deg,#fffaf0,#fff 55%)}
.order-form,.order-summary{border:none;box-shadow:0 20px 50px rgba(15,38,64,.10)}
.contact-box{background:linear-gradient(145deg,#f5f8fb,#fff7d7);border:1px solid #e8edf2}
.whatsapp-floating{display:flex;align-items:center;gap:8px;background:linear-gradient(135deg,#25d366,#17ad50);padding:15px 20px;animation:pulseWhats 2.2s infinite}
.whatsapp-floating:before{content:"☎";font-size:1rem}
@keyframes pulseWhats{0%,100%{box-shadow:0 12px 26px rgba(0,0,0,.24)}50%{box-shadow:0 12px 34px rgba(37,211,102,.48)}}
footer{background:linear-gradient(90deg,#081f3f,#0f355f)}
@media(max-width:900px){.cta-strip-inner{align-items:flex-start;flex-direction:column}.hero-card{min-height:auto}.hero-card img{width:min(100%,330px)}}
@media(max-width:620px){.promo-bar{font-size:.68rem}.hero{padding-top:52px}.hero-actions{align-items:stretch}.hero-actions .btn{width:100%}.hero-actions .phone{display:block;width:100%;text-align:center;padding:10px}.trust-row{gap:8px}.trust-row span{font-size:.7rem}.cta-strip{padding:24px 0}.cta-strip .btn{width:100%}.hero-card{padding:22px}.hero-card-copy strong{font-size:1.15rem}}