/* ===== Superbá — estilo moderno industrial ===== */

:root{
  --navy: #0F172A;
  --navy-2: #16213a;
  --navy-3: #1c2b4a;
  --red: #E11D2A;
  --red-dark: #B5121C;
  --white: #FFFFFF;
  --off-white: #F4F5F7;
  --muted: #A9B2C3;
  --radius: 14px;
  --container: 1180px;
  --shadow: 0 20px 50px rgba(0,0,0,.35);
}

*{box-sizing:border-box;margin:0;padding:0;}

html{scroll-behavior:smooth;}

#mercado, #terraplenagem, #disk-entulho, #material-construcao, #sobre, #contato{
  scroll-margin-top:90px;
}

body{
  font-family:'Inter', system-ui, sans-serif;
  background:var(--navy);
  color:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}

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

h1,h2,h3{
  font-family:'Poppins', sans-serif;
  font-weight:800;
  line-height:1.12;
  letter-spacing:-0.01em;
}

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

.eyebrow{
  display:inline-block;
  font-family:'Inter', sans-serif;
  font-weight:700;
  font-size:.8rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--red);
  margin-bottom:14px;
}

.accent{color:var(--red);}

.eyebrow-lg{
  font-size:1.5rem;
  letter-spacing:.02em;
  text-transform:none;
  color:var(--white);
  font-family:'Poppins', sans-serif;
  font-weight:800;
  margin-bottom:0;
}
.eyebrow-lg::before{
  content:'';
  display:block;
  width:46px;height:4px;
  background:var(--red);
  border-radius:4px;
  margin:0 auto 18px;
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:15px 28px;
  border-radius:999px;
  font-weight:700;
  font-size:.95rem;
  border:2px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--red);
  color:var(--white);
  box-shadow:0 10px 24px rgba(225,29,42,.35);
}
.btn-primary:hover{
  background:var(--red-dark);
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(225,29,42,.45);
}
.btn-outline{
  background:transparent;
  border-color:rgba(255,255,255,.4);
  color:var(--white);
}
.btn-outline:hover{
  border-color:var(--white);
  transform:translateY(-2px);
}
.btn-small{
  padding:10px 20px;
  font-size:.85rem;
}

/* ===== Header ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:rgba(15,23,42,0);
  transition:background .3s ease, box-shadow .3s ease, padding .3s ease;
  padding:22px 0;
}
.site-header.scrolled{
  background:rgba(15,23,42,.92);
  backdrop-filter:blur(10px);
  box-shadow:0 10px 30px rgba(0,0,0,.25);
  padding:12px 0;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo-img{height:38px;width:auto;}
.main-nav{
  display:flex;
  gap:22px;
  flex:1;
  justify-content:center;
  flex-wrap:nowrap;
}
.main-nav a{
  font-weight:600;
  font-size:.88rem;
  color:var(--white);
  position:relative;
  padding:6px 0;
  white-space:nowrap;
}
.main-nav a::after{
  content:'';
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:var(--red);
  transition:width .25s ease;
}
.main-nav a:hover::after{width:100%;}

.header-actions{
  display:flex;
  align-items:center;
  gap:16px;
}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
  transition:background .2s ease, transform .2s ease;
}
.icon-btn:hover{background:var(--red);transform:translateY(-2px);}

.menu-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:8px;
}
.menu-toggle span{
  width:24px;height:2px;background:var(--white);border-radius:2px;
  transition:transform .25s ease, opacity .25s ease;
}

/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.hero-media{
  position:absolute;inset:0;
}
.hero-media img{
  width:100%;height:100%;object-fit:cover;
}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(15,23,42,.55) 0%, rgba(15,23,42,.78) 55%, rgba(15,23,42,.96) 100%),
    linear-gradient(90deg, rgba(15,23,42,.55) 0%, rgba(15,23,42,.2) 55%);
}
.hero-content{
  position:relative;
  z-index:2;
  padding-top:110px;
  max-width:820px;
  margin:0 auto;
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
}
.hero-content h1{
  max-width:none;
  white-space:nowrap;
}
.hero-content .eyebrow-lg::before,
.hero-content .eyebrow::before{margin-left:auto;margin-right:auto;}
.hero-logo{
  height:260px;
  width:auto;
  margin-bottom:28px;
  filter:drop-shadow(0 8px 24px rgba(0,0,0,.4));
}
@media (max-width: 520px){
  .hero-logo{height:160px;}
  .hero-content h1{white-space:normal;}
}
.hero h1{
  font-size:clamp(2.6rem, 6vw, 4.6rem);
  color:var(--white);
  margin-bottom:22px;
}
.hero-sub{
  font-size:1.15rem;
  color:var(--muted);
  max-width:560px;
  margin-bottom:36px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
}
.scroll-cue{
  position:absolute;
  bottom:32px;left:50%;
  transform:translateX(-50%);
  color:var(--white);
  opacity:.7;
  z-index:2;
  animation:bob 2s ease-in-out infinite;
}
@keyframes bob{
  0%,100%{transform:translate(-50%,0);}
  50%{transform:translate(-50%,8px);}
}

/* ===== Section shared ===== */
section{padding:110px 0;}
.section-head{
  text-align:center;
  max-width:640px;
  margin:0 auto 60px;
}
.section-head h2{
  font-size:clamp(2rem, 3.6vw, 2.8rem);
  color:var(--white);
}

/* ===== Segmentos ===== */
.segmentos{background:var(--navy);}
.segmentos-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:32px;
  max-width:900px;
  margin:0 auto;
}
.segmento-card{
  background:var(--navy-2);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid rgba(255,255,255,.06);
  transition:transform .25s ease, box-shadow .25s ease;
}
.segmento-card:hover{
  transform:translateY(-6px);
  box-shadow:0 26px 60px rgba(0,0,0,.45);
}
.segmento-media{
  aspect-ratio:16/10;
  overflow:hidden;
}
.segmento-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.segmento-card:hover .segmento-media img{transform:scale(1.06);}
.segmento-body{padding:32px;}
.segmento-body h3{
  font-size:1.6rem;
  color:var(--white);
  margin-bottom:12px;
}
.segmento-body p{
  color:var(--muted);
  margin-bottom:24px;
}

/* ===== Sobre ===== */
.sobre{
  background:var(--navy-2);
}
.sobre-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.sobre-media img{
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.sobre-body h2{
  font-size:clamp(1.9rem, 3.2vw, 2.5rem);
  margin-bottom:20px;
}
.sobre-body p{
  color:var(--muted);
  margin-bottom:18px;
  font-size:1.05rem;
}
.stats-row{
  display:flex;
  gap:48px;
  margin-top:32px;
}
.stat-num{
  display:block;
  font-family:'Poppins', sans-serif;
  font-weight:900;
  font-size:2.4rem;
  color:var(--red);
}
.stat-label{
  color:var(--muted);
  font-size:.9rem;
}

/* ===== Contato ===== */
.contato{background:var(--navy);}
.contato-grid{
  display:grid;
  grid-template-columns:1fr 1.2fr;
  gap:48px;
  align-items:stretch;
}
.contato-info{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:32px;
}
.contato-list{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.contato-list li{
  display:flex;
  flex-direction:column;
  gap:4px;
  border-bottom:1px solid rgba(255,255,255,.08);
  padding-bottom:16px;
}
.contato-label{
  font-size:.78rem;
  text-transform:uppercase;
  letter-spacing:.1em;
  color:var(--muted);
  font-weight:700;
}
.contato-list a{
  font-family:'Poppins', sans-serif;
  font-weight:700;
  font-size:1.15rem;
}
.contato-list a:hover{color:var(--red);}
.contato-info .btn{align-self:flex-start;}
.contato-map{
  min-height:380px;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.contato-map iframe{width:100%;height:100%;min-height:380px;filter:grayscale(.15) contrast(1.05);}

/* ===== Footer ===== */
.site-footer{
  background:var(--navy-2);
  padding:36px 0;
  border-top:1px solid rgba(255,255,255,.06);
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
.footer-logo{height:26px;opacity:.85;}
.footer-inner p{
  color:var(--muted);
  font-size:.85rem;
}

/* ===== WhatsApp float ===== */
.whatsapp-float{
  position:fixed;
  bottom:24px;right:24px;
  width:58px;height:58px;
  background:#25D366;
  color:var(--white);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 12px 28px rgba(0,0,0,.35);
  z-index:90;
  transition:transform .2s ease;
}
.whatsapp-float:hover{transform:scale(1.08);}

/* ===== Responsive ===== */
@media (max-width: 960px){
  .segmentos-grid{grid-template-columns:1fr;}
  .sobre-grid{grid-template-columns:1fr;gap:36px;}
  .sobre-media{order:-1;}
  .contato-grid{grid-template-columns:1fr;}
  .contato-map{min-height:320px;}
}

@media (max-width: 840px){
  .main-nav{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(320px, 80vw);
    background:var(--navy-2);
    flex-direction:column;
    justify-content:center;
    align-items:flex-start;
    gap:28px;
    padding:40px;
    transform:translateX(100%);
    transition:transform .3s ease;
    box-shadow:-10px 0 40px rgba(0,0,0,.4);
  }
  .main-nav.open{transform:translateX(0);}
  .menu-toggle{display:flex;}
  .header-actions .btn-small{display:none;}
  section{padding:80px 0;}
  .stats-row{gap:32px;}
}

@media (max-width: 520px){
  .hero-content{padding-top:100px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .segmento-body{padding:24px;}
}