html, body {
  overflow-x: hidden;
  width: 100%;
}

:root{
  --primary:#ec1c24;
  --accent:#d9b063;
  --muted:#f48c8c;
  --bg:#fffaf6;
  --text:#222;
  --max-width:1100px;
  --radius:12px;
  --shadow: 0 6px 18px rgba(0,0,0,0.08);
  --container-padding:16px;
}

/* Reset simples */
*{box-sizing:border-box}
html, body {
  overflow-x: hidden;
  width: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height, 72px);
}
body{
  margin:0;
  font-family:Inter, "Segoe UI", Roboto, Arial, sans-serif;
  color:var(--text);
  background: linear-gradient(180deg, #fff 0%, #fffaf6 100%);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
}

/* Layout container */
.container{
  max-width:var(--max-width);
  margin:0 auto;
  padding:24px var(--container-padding);
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:40;
  background:rgba(255,255,255,0.9);
  backdrop-filter: blur(4px);
  border-bottom:1px solid rgba(0,0,0,0.04);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:16px;
  justify-content:space-between;
}

/* Nav */
.main-nav{
  display:flex;
  gap:16px;
  align-items:center;
}
.main-nav a{
  color:var(--text);
  text-decoration:none;
  padding:10px 8px;
  border-radius:8px;
  font-weight:600;
}
.main-nav a:hover{ background:rgba(0,0,0,0.04); }

.menu-toggle{ display:none; background:none; border:0; font-size:20px; }

/* Hero */
.hero{
  min-height:78vh;
  display:flex;
  align-items:center;
  position:relative;
  color:white;
  background-image: url('assets/banner/banner-concreto-farinha.png');
  background-size:cover;
  background-position:center;
}
.hero-overlay{
  position:absolute; inset:0; background:linear-gradient(180deg, rgba(129, 30, 33, 0.349) 0%, rgba(36,36,36,0.25) 100%);
  mix-blend-mode:multiply;
}
.hero-content{
  position:relative;
  z-index:2;
  max-width:900px;
  padding:48px 24px;
}
.hero h1{
  margin:0 0 12px 0;
  font-size:clamp(28px,6vw,44px);
  line-height:1.05;
  font-weight:700;
}
.hero p{ margin:0 0 16px 0; font-size:16px; }
.btn{
  display:inline-block;
  background:var(--accent);
  color:#fff;
  padding:12px 18px;
  border-radius:10px;
  text-decoration:none;
  font-weight:700;
  box-shadow: var(--shadow);
}

/* Sections */
.section{ padding:64px 0; background:transparent; }
.section-title{ font-size:24px; margin:0 0 8px 0; color:var(--primary); }
.section-sub{ color: #555; margin:0 0 24px 0; }

/* Carousel */
.carousel-wrap{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
}
.carousel{
  display:flex;
  gap:18px;
  overflow:hidden;
  scroll-behavior:smooth;
  padding:12px;
  flex:1;
}
.product-card{
  flex:0 0 300px;
  background:#fff;
  border-radius:12px;
  box-shadow:var(--shadow);
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.product-card img{
  width:100%;
  height:180px;
  object-fit:cover;
}
.product-info{ padding:14px; }
.product-info h3{ margin:0 0 8px 0; font-size:18px; color:#222; }
.product-info p{ margin:0; color:#555; font-size:14px; }

/* Carousel buttons */
.carousel-btn{
  background:var(--primary);
  color:white;
  border:0;
  width:44px;
  height:44px;
  border-radius:10px;
  font-size:22px;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  box-shadow:var(--shadow);
}
.carousel-dots{
  margin-top:16px;
  display:flex;
  gap:8px;
  justify-content:center;
}
.carousel-dot{
  width:10px;height:10px;border-radius:50%;background:#ddd;display:inline-block;cursor:pointer;
}
.carousel-dot.active{ background:var(--primary); }

/* About */
.about-inner{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:28px;
  align-items:center;
}
.about-img img{
  width:100%;
  border-radius:12px;
  box-shadow:var(--shadow);
}
.about-text p{ color:#444; }

/* Contact */
.contact-cards{
  display:flex;
  gap:28px;
  align-items:flex-start;
  flex-wrap:wrap;
}
.social-icons{ display:flex; gap:12px; margin-top:8px; }
.social{ display:inline-flex; gap:8px; align-items:center; text-decoration:none; color:var(--text); padding:8px 10px; border-radius:8px; background:white; box-shadow:var(--shadow); }
.social span{ font-weight:600; font-size:14px; }
/* Social icons (use imagens reais) */
.social-icon{
  width:28px;
  height:28px;
  object-fit:contain;
  display:inline-block;
}

/* Footer */
.site-footer{ padding:18px 0; background:transparent; color:#555; text-align:center; }

.whatsapp-float{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:60;
  width:72px;   /* maior */
  height:72px;
}

.whatsapp-float img{
  width:100%;
  height:100%;
  object-fit:contain;
  display:block;
}

/* Responsive */
@media (max-width:900px){
  .about-inner{ grid-template-columns: 1fr; }
  .product-card{ flex:0 0 260px; }

.main-nav{
  display:none;
  flex-direction:column;
  position:fixed;
  top:0;
  right:0;
  width:70%;
  min-height:100vh;   /* força ocupar toda a altura */
  background:#fff;
  padding:80px 24px;
  box-shadow:-4px 0 12px rgba(0,0,0,0.15);
  z-index:100;
}
.main-nav a{
  padding:16px 0;
  font-size:18px;
  border-bottom:1px solid #eee;
}
  .menu-toggle{ display:block; z-index:110; }
}