/* ================================
   RESET E BASE
================================ */
*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

body{
  font-family:'Inter',sans-serif;
  background:#fff;
  color:#3E5055;
  line-height:1.6;
}

.container{
  width:min(1120px, 92%);
  margin:0 auto;
}

/* ================================
   BOTÕES
================================ */
.btn{
  display:inline-block;
  padding:12px 20px;
  border-radius:30px;
  font-weight:600;
  text-decoration:none;
  transition:.2s ease;
  cursor:pointer;
}

.btn-primary{
  background:#00A335;
  color:#fff;
}

.btn-primary:hover{
  background:#00863F;
}

.btn-outline{
  border:2px solid #00A335;
  color:#00A335;
  background:transparent;
}

.btn-outline:hover{
  background:#00A335;
  color:#fff;
}

/* ================================
   HEADER
================================ */
.header{
  background:#fff;
  position:sticky;
  top:0;
  z-index:1000;
  box-shadow:0 2px 8px rgba(0,0,0,0.05);
}

.header__inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:16px 0;
}

.logo{
  height:130px;
}

.nav{
  display:flex;
  gap:25px;
}

.nav a{
  text-decoration:none;
  font-weight:600;
  color:#3E5055;
}

.nav a:hover{
  color:#00A335;
}

.menu-btn{
  display:none;
  font-size:24px;
  background:none;
  border:none;
  cursor:pointer;
}

/* ================================
   HERO
================================ */
.hero{
  position:relative;
  height:90vh;
  background:url("../img/hero.jpg") center/cover no-repeat;
  display:flex;
  align-items:center;
  color:#fff;
}

.hero__overlay{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,0.55);
}

.hero__content{
  position:relative;
  z-index:2;
  max-width:700px;
}

.hero h1{
  font-size:42px;
  margin-bottom:20px;
}

.hero h1 span{
  color:#00A335;
}

.hero p{
  margin-bottom:25px;
  font-size:18px;
}

.hero__buttons{
  display:flex;
  gap:15px;
  flex-wrap:wrap;
}

/* ================================
   SIT - SOLUÇÃO INTEGRADA TOTAL
================================ */
.sit-section{
  padding:70px 0;
  background:linear-gradient(135deg,#0f2f1f,#163f2a);
  color:#fff;
}

.sit-box{
  display:grid;
  gap:40px;
}

@media(min-width:900px){
  .sit-box{
    grid-template-columns:1.2fr .8fr;
    align-items:center;
  }
}

.sit-badge{
  background:#00A335;
  padding:6px 14px;
  font-size:12px;
  font-weight:700;
  border-radius:30px;
  display:inline-block;
  margin-bottom:15px;
}

.sit-text h2{
  font-size:32px;
  margin-bottom:12px;
}

.sit-sub{
  font-size:16px;
  opacity:.9;
}

.sit-list{
  margin:20px 0;
  padding-left:20px;
}

.sit-list li{
  margin-bottom:8px;
}

.sit-buttons{
  display:flex;
  gap:15px;
  flex-wrap:wrap;
}

.sit-video{
  border-radius:18px;
  overflow:hidden;
  aspect-ratio:16/9;
  border:2px solid rgba(255,255,255,0.2);
}

.sit-video iframe,
.sit-video video{
  width:100%;
  height:100%;
}

/* ================================
   SECTIONS PADRÃO
================================ */
.section{
  padding:70px 0;
}

.section-gray{
  background:#f4f6f7;
}

.section h2{
  margin-bottom:30px;
  font-size:28px;
}

/* ================================
   CARDS
================================ */
.grid-3{
  display:grid;
  gap:25px;
}

@media(min-width:900px){
  .grid-3{
    grid-template-columns:repeat(3,1fr);
  }
}

.grid-2{
  display:grid;
  gap:25px;
}

@media(min-width:900px){
  .grid-2{
    grid-template-columns:repeat(2,1fr);
  }
}

.card{
  background:#fff;
  padding:25px;
  border-radius:16px;
  box-shadow:0 8px 25px rgba(0,0,0,0.05);
}

.card h3{
  margin-bottom:12px;
  font-size:18px;
}
/* ================================
   MÍDIA
================================ */
.media-grid{
  display:grid;
  gap:25px;
  justify-content:center;
}

@media(min-width:900px){
  .media-grid{
    grid-template-columns:repeat(3, 1fr);
    max-width:1000px;
    margin:0 auto;
  }
}

.media-grid img{
  width:100%;
  aspect-ratio: 16 / 9;   /* formato mais largo */
  object-fit:cover;
  border-radius:18px;
  display:block;
}

/* ================================
   FORMULÁRIO
================================ */
form{
  display:flex;
  flex-direction:column;
  gap:18px;
  max-width:700px;
  margin:0 auto;
}

form input,
form textarea{
  padding:12px;
  border-radius:10px;
  border:1px solid #ccc;
  font-family:inherit;
}

form textarea{
  min-height:120px;
  resize:none;
}

/* ================================
   FOOTER
================================ */
.footer{
  background:#1f2a2e;
  color:rgba(255,255,255,0.8);
  padding:30px 0;
  text-align:center;
}

.footer__inner{
  display:flex;
  flex-direction:column;
  gap:15px;
  align-items:center;
}

.footer__social{
  display:flex;
  gap:20px;
}

.footer__social svg{
  width:22px;
  height:22px;
  fill:#fff;
  opacity:.8;
  transition:.2s;
}

.footer__social svg:hover{
  opacity:1;
  transform:translateY(-2px);
}

.footer__copy{
  font-size:14px;
}

/* ================================
   WHATSAPP FLUTUANTE
================================ */
.whatsapp-float{
  position:fixed;
  bottom:25px;
  right:25px;
  width:60px;
  height:60px;
  background:#00A335;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 8px 20px rgba(0,0,0,0.3);
}

.whatsapp-float img{
  width:30px;
}

/* ================================
   RESPONSIVO
================================ */
@media(max-width:900px){
  .nav{
    display:none;
    flex-direction:column;
    background:#fff;
    position:absolute;
    top:70px;
    right:0;
    width:200px;
    padding:20px;
    box-shadow:0 8px 20px rgba(0,0,0,0.1);
  }

  .nav.active{
    display:flex;
  }

  .menu-btn{
    display:block;
  }

  .hero h1{
    font-size:30px;
  }
}

/* ================================
   BLOCO CONTATO INFO
================================ */
.contato-info{
  display:flex;
  flex-wrap:wrap;
  gap:30px;
  margin-bottom:35px;
  justify-content:center;
}

.contato-item{
  background:#fff;
  padding:18px 24px;
  border-radius:14px;
  box-shadow:0 6px 20px rgba(0,0,0,0.05);
  min-width:220px;
  text-align:center;
}

.contato-item strong{
  display:block;
  margin-bottom:6px;
  color:#3E5055;
}

.contato-item a{
  text-decoration:none;
  color:#00A335;
  font-weight:600;
}

.contato-item a:hover{
  text-decoration:underline;
}

/* ================================
   SEÇÕES COM FUNDO - PADRÃO INTELBRAS
================================ */

.section-bg{
  position:relative;
  color:#fff;
  overflow:hidden;
  background-size:cover;
  background-position:center;
}

.section-bg::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(0, 30, 20, 0.65); /* overlay elegante */
  z-index:0;
}

.section-bg .container{
  position:relative;
  z-index:2;
}

/* Fundos individuais */
.bg-solucoes{
  background:url("../img/bg-solucoes.jpg") center/cover no-repeat;
}

.bg-institucional{
  background:url("../img/bg-institucional.jpg") center/cover no-repeat;
}

.bg-contato{
  background:url("../img/bg-contato.jpg") center/cover no-repeat;
}

/* Cards ficam claros dentro da seção escura */
.section-bg .card{
  background:rgba(255,255,255,0.95);
  color:#3E5055;
}

.section-bg .card h3{
  color:#3E5055;
}