/* CSS Reset & Variables */
*,*::before,*::after{box-sizing:border-box;}
*{margin:0;padding:0;}
html{scroll-behavior:smooth;font-size:16px;}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto;}*,*::before,*::after{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important;}}

:root{
  --navy:#011940;
  --navy-dark:#001333;
  --orange:#FB5A0F;
  --white:#FFFFFF;
  --grey:#F8F8F8;
  --text:#212121;
  --muted:#6b7280;
  --border:#e5e7eb;
  --font-head:'Mukta',sans-serif;
  --font-body:'Heebo',sans-serif;
  --container:1200px;
}

body{
  font-family:var(--font-body);
  color:var(--text);
  line-height:1.6;
  background:var(--white);
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
button{border:none;background:none;cursor:pointer;}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}

/* Buttons */
.btn{
  display:inline-block;
  padding:18px 35px;
  font-family:var(--font-body);
  font-size:16px;
  font-weight:500;
  border-radius:0;
  transition:all 0.3s ease;
  cursor:pointer;
}
input,textarea,select,button{
  border-radius:0;
}

.btn-primary{
  background:var(--orange);
  color:var(--white);
}
.btn-primary:hover{
  background:#e54e09;
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(251,90,15,0.3);
}

.btn-secondary{
  background:transparent;
  color:var(--white);
  border:2px solid var(--white);
}
.btn-secondary:hover{
  background:var(--white);
  color:var(--navy);
}

.btn-block{width:100%;}

/* Topbar */
.topbar{
  background:var(--navy);
  color:var(--white);
  padding:12px 0;
  font-size:14px;
}
.topbar-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
}
.topbar-item{
  display:flex;
  align-items:center;
  gap:8px;
}

/* Navbar */
.navbar{
  background:var(--white);
  box-shadow:0 2px 8px rgba(0,0,0,0.08);
  position:sticky;
  top:0;
  z-index:100;
  transition:all 0.3s ease;
}
.navbar-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:15px 20px;
}
.navbar-logo img{
  height:48px;
  width:auto;
}
.navbar-menu{
  display:flex;
  gap:30px;
}
.navbar-link{
  font-size:15px;
  font-weight:500;
  color:var(--text);
  padding:8px 0;
  position:relative;
  transition:color 0.3s ease;
}
.navbar-link::after{
  content:'';
  position:absolute;
  bottom:0;
  left:0;
  width:0;
  height:2px;
  background:var(--orange);
  transition:width 0.3s ease;
}
.navbar-link:hover::after,
.navbar-link.active::after{
  width:100%;
}
.navbar-link:hover,
.navbar-link.active{
  color:var(--orange);
}

.navbar-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  width:30px;
  min-width:44px;
  min-height:44px;
  justify-content:center;
  align-items:flex-end;
  padding:11px 7px;
}
.navbar-toggle span{
  display:block;
  width:100%;
  height:3px;
  background:var(--navy);
  transition:all 0.3s ease;
}

/* Hero */
.hero{
  position:relative;
  min-height:80vh;
  display:flex;
  align-items:center;
  color:var(--white);
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background-size:cover;
  background-position:center;
  z-index:1;
}
.hero-bg::after{
  content:'';
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:linear-gradient(135deg,rgba(1,25,64,0.9) 0%,rgba(1,25,64,0.7) 100%);
}
.hero-content{
  position:relative;
  z-index:2;
  max-width:800px;
  padding:80px 20px;
}
.hero-subtitle{
  color:var(--orange);
  font-size:14px;
  font-weight:600;
  letter-spacing:1px;
  text-transform:uppercase;
  margin-bottom:20px;
}
.hero-title{
  font-family:var(--font-head);
  font-size:clamp(36px,6vw,80px);
  font-weight:800;
  line-height:1.1;
  margin-bottom:24px;
}
.hero-text{
  font-size:18px;
  line-height:1.7;
  margin-bottom:40px;
  color:rgba(255,255,255,0.95);
}
.hero-buttons{
  display:flex;
  gap:20px;
  flex-wrap:wrap;
}

/* Features */
.features{
  padding:80px 0 60px;
  background:var(--grey);
}
.features-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:30px;
}
.feature-card{
  background:var(--white);
  padding:40px 30px;
  text-align:center;
  transition:transform 0.3s cubic-bezier(0.16,1,0.3,1),box-shadow 0.3s cubic-bezier(0.16,1,0.3,1),opacity 0.6s cubic-bezier(0.16,1,0.3,1);
}
.feature-card:hover{
  transform:translateY(-8px);
  box-shadow:0 12px 30px rgba(0,0,0,0.12);
}
.feature-card-highlight{
  background:var(--navy);
  color:var(--white);
}
.feature-title{
  font-family:var(--font-head);
  font-size:24px;
  font-weight:700;
  margin-bottom:16px;
}
.feature-text{
  font-size:15px;
  line-height:1.6;
}

/* Section common */
.section-subtitle{
  color:var(--orange);
  font-size:14px;
  font-weight:600;
  letter-spacing:1px;
  text-transform:uppercase;
  margin-bottom:16px;
}
.section-title{
  font-family:var(--font-head);
  font-size:clamp(32px,5vw,46px);
  font-weight:700;
  color:var(--navy);
  margin-bottom:16px;
  text-wrap:balance;
}
.section-divider{
  color:var(--orange);
  font-size:18px;
  letter-spacing:4px;
  margin-bottom:20px;
}
.section-lead{
  font-size:17px;
  color:var(--muted);
  margin-bottom:50px;
  max-width:700px;
  margin-inline:auto;
}

/* Minerais */
.minerais{
  padding:70px 0 100px;
  background:var(--white);
  text-align:center;
  position:relative;
}
.minerais::before{
  content:'';
  position:absolute;
  top:0;
  left:50%;
  transform:translateX(-50%);
  width:60px;
  height:2px;
  background:rgba(251,90,15,0.5);
}
.minerais-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:30px;
}
.mineral-card{
  background:var(--grey);
  overflow:hidden;
  transition:transform 0.3s ease,box-shadow 0.3s ease;
}
.mineral-card:hover{
  transform:translateY(-8px);
  box-shadow:0 12px 30px rgba(0,0,0,0.15);
}
.mineral-card img{
  width:100%;
  height:240px;
  object-fit:cover;
}
.mineral-content{
  padding:30px 20px;
  text-align:left;
}
.mineral-tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:0.5px;
  text-transform:uppercase;
  color:var(--orange);
  background:rgba(251,90,15,0.1);
  padding:6px 12px;
  margin-bottom:12px;
}
.mineral-title{
  font-family:var(--font-head);
  font-size:22px;
  font-weight:700;
  color:var(--navy);
  margin-bottom:12px;
}
.mineral-text{
  font-size:15px;
  line-height:1.6;
  color:var(--muted);
}

/* CTA Banner */
.cta-banner{
  background:var(--orange);
  color:var(--white);
  padding:60px 0;
  text-align:center;
}
.cta-banner-inner{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:30px;
}
.cta-banner-text{
  font-family:var(--font-head);
  font-size:clamp(24px,4vw,36px);
  font-weight:600;
  max-width:700px;
  margin-inline:auto;
}
.cta-banner-buttons{
  display:flex;
  gap:20px;
  flex-wrap:wrap;
}
.cta-banner .btn-primary{
  background:var(--white);
  color:var(--orange);
}
.cta-banner .btn-primary:hover{
  background:var(--navy);
  color:var(--white);
}
.cta-banner .btn-secondary{
  border-color:var(--white);
}

/* Sobre */
.sobre{
  padding:100px 0;
  background:var(--grey);
}
.sobre-inner{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:start;
}
.sobre-image{
  height:100%;
}
.sobre-image img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}
.sobre-content{
  text-align:left;
}
.sobre-paragraph{
  font-size:16px;
  line-height:1.7;
  color:var(--muted);
  margin-bottom:20px;
}
.sobre-pilares{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  margin:40px 0;
}
.pilar{
  padding:20px;
  background:var(--white);
  transition:transform 0.3s ease;
}
.pilar:hover{
  transform:translateX(8px);
}
.pilar-title{
  font-family:var(--font-head);
  font-size:18px;
  font-weight:700;
  color:var(--navy);
  margin-bottom:10px;
}
.pilar-text{
  font-size:14px;
  color:var(--muted);
  line-height:1.5;
}

/* Porque */
.porque{
  padding:100px 0;
  background:var(--navy);
  color:var(--white);
  text-align:center;
}
.porque .section-title{
  color:var(--white);
}
.porque .section-lead{
  color:rgba(255,255,255,0.8);
  margin-left:auto;
  margin-right:auto;
}
.porque-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:40px;
}
.porque-item{
  text-align:center;
}
.porque-title{
  font-family:var(--font-head);
  font-size:22px;
  font-weight:700;
  margin-bottom:16px;
}
.porque-text{
  font-size:15px;
  line-height:1.6;
  color:rgba(255,255,255,0.85);
}

/* Aplicacoes */
.aplicacoes{
  padding:100px 0;
  background:var(--navy);
  color:var(--white);
  text-align:center;
}
.aplicacoes .section-title{
  color:var(--white);
}
.aplicacoes-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:30px;
}
.aplicacao-item{
  position:relative;
  overflow:hidden;
}
.aplicacao-item img{
  width:100%;
  height:320px;
  object-fit:cover;
  transition:transform 0.5s ease;
}
.aplicacao-item:hover img{
  transform:scale(1.08);
}
.aplicacao-caption{
  position:absolute;
  bottom:0;
  left:0;
  width:100%;
  background:linear-gradient(to top,rgba(1,25,64,0.95),transparent);
  padding:20px;
  color:var(--white);
  font-family:var(--font-head);
  font-size:16px;
  font-weight:600;
  text-align:left;
}

/* Parceiros */
.parceiros{
  padding:100px 0;
  background:var(--grey);
  text-align:center;
}
.parceiros-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:40px;
  align-items:center;
  justify-items:center;
}
.partner-logo{
  width:auto;
  max-width:100%;
  object-fit:contain;
  filter:grayscale(100%);
  opacity:0.75;
  transition:all 0.3s ease;
}
.partner-logo--horizontal{
  max-height:70px;
}
.partner-logo--stacked{
  max-height:95px;
}
.partner-logo:hover{
  filter:grayscale(0%);
  opacity:1;
  transform:scale(1.05);
}

/* Contato */
.contato{
  position:relative;
  padding:100px 0;
  color:var(--white);
  overflow:hidden;
}
.contato-bg{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background-size:cover;
  background-position:center;
  z-index:1;
}
.contato-bg::after{
  content:'';
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:linear-gradient(135deg,rgba(1,25,64,0.92) 0%,rgba(1,25,64,0.8) 100%);
}
.contato-inner{
  position:relative;
  z-index:2;
  max-width:700px;
}
.contato .section-title{
  color:var(--white);
}
.contato-form-wrapper{
  background:rgba(255,255,255,0.08);
  backdrop-filter:blur(10px);
  padding:50px;
  border:1px solid rgba(255,255,255,0.15);
}
.contato-lead{
  color:rgba(255,255,255,0.9);
  margin-bottom:40px;
}
.contato-form{
  display:flex;
  flex-direction:column;
  gap:20px;
}
.form-group{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.form-label{
  font-size:14px;
  font-weight:500;
  color:rgba(255,255,255,0.95);
}
.form-input{
  padding:14px 18px;
  font-family:var(--font-body);
  font-size:15px;
  border:1px solid rgba(255,255,255,0.25);
  background:rgba(255,255,255,0.1);
  color:var(--white);
  transition:all 0.3s ease;
}
.form-input::placeholder{
  color:rgba(255,255,255,0.5);
}
.form-input:focus{
  outline:none;
  border-color:var(--orange);
  background:rgba(255,255,255,0.15);
}
.form-textarea{
  resize:vertical;
  min-height:120px;
}
.form-input option{
  background:var(--navy);
  color:var(--white);
}

/* Footer */
.footer{
  background:var(--navy-dark);
  color:var(--white);
}
.footer-cta{
  background:var(--navy);
  padding:50px 0;
  text-align:center;
}
.footer-cta-inner{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:30px;
}
.footer-cta-text{
  font-family:var(--font-head);
  font-size:clamp(18px,3vw,28px);
  font-weight:600;
  max-width:700px;
  line-height:1.4;
  margin-inline:auto;
}
.footer-main{
  padding:60px 0 40px;
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:40px;
}
.footer-title{
  font-family:var(--font-head);
  font-size:18px;
  font-weight:700;
  margin-bottom:20px;
}
.footer-text{
  font-size:14px;
  line-height:1.6;
  color:rgba(255,255,255,0.8);
  margin-bottom:15px;
}
.footer-contact{
  display:flex;
  align-items:flex-start;
  gap:12px;
  margin-bottom:20px;
}
.footer-contact-icon{
  flex-shrink:0;
  margin-top:2px;
}
.footer-contact-content{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.footer-contact-label{
  font-size:12px;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:0.5px;
  color:rgba(255,255,255,0.7);
}
.footer-contact-link{
  font-size:14px;
  font-weight:500;
  color:rgba(255,255,255,0.9);
  transition:color 0.3s ease;
}
.footer-contact-link:hover{
  color:var(--orange);
}
.footer-tagline{
  font-size:13px;
  line-height:1.5;
  color:rgba(255,255,255,0.6);
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,0.8);
  transition:color 0.3s ease;
}
.footer-links a:hover{
  color:var(--orange);
}
.footer-links-external a{
  display:inline-flex;
  align-items:flex-end;
  gap:6px;
  word-break:break-word;
  hyphens:auto;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1);
  padding:25px 0;
}
.footer-copyright{
  text-align:center;
  font-size:13px;
  color:rgba(255,255,255,0.6);
}

/* Scroll to top */
.scroll-top{
  position:fixed;
  bottom:30px;
  right:30px;
  width:50px;
  height:50px;
  background:var(--orange);
  color:var(--white);
  border:none;
  cursor:pointer;
  display:none;
  align-items:center;
  justify-content:center;
  z-index:99;
  transition:all 0.3s ease;
  box-shadow:0 4px 15px rgba(251,90,15,0.3);
}
.scroll-top:hover{
  background:var(--navy);
  transform:translateY(-4px);
}
.scroll-top.show{
  display:flex;
}

/* MUDANÇA 7: Navbar com seletor de 3 idiomas */
.navbar-lang-wrapper{
  display:flex;
  align-items:center;
  gap:20px;
}
.navbar-lang-selector{
  display:flex;
  gap:0;
  border:1px solid var(--border);
}
.navbar-lang{
  padding:8px 16px;
  font-size:14px;
  font-weight:600;
  color:var(--navy);
  background:var(--grey);
  border:none;
  border-right:1px solid var(--border);
  cursor:pointer;
  transition:all 0.3s ease;
}
.navbar-lang:last-child{
  border-right:none;
}
.navbar-lang:hover{
  background:rgba(251,90,15,0.1);
  color:var(--orange);
}
.navbar-lang[aria-pressed="true"]{
  background:var(--orange);
  color:var(--white);
}
.navbar-lang-selector-mobile{
  display:none;
}
.navbar-menu-lang-item{
  border-bottom:none!important;
  padding:15px 20px;
}

/* Responsive */
@media(max-width:900px){
  .navbar-toggle{display:flex;}
  .navbar-inner{
    justify-content:space-between;
  }
  .navbar-lang-wrapper{
    display:none;
  }
  .navbar-menu{
    position:absolute;
    top:100%;
    left:0;
    width:100%;
    background:var(--white);
    display:flex;
    flex-direction:column;
    gap:0;
    box-shadow:0 4px 12px rgba(0,0,0,0.1);
    max-height:0;
    overflow:hidden;
    transition:max-height 0.3s ease;
    z-index:200;
  }
  .navbar-menu.active{
    max-height:700px;
  }
  .navbar-menu > li{
    display:block;
    width:100%;
    border-bottom:1px solid rgba(1,25,64,0.08);
  }
  .navbar-menu > li:last-child{
    border-bottom:none;
  }
  .navbar-link{
    display:block;
    width:100%;
    padding:15px 20px;
    position:relative;
  }
  .navbar-link::after{
    display:none;
  }
  .navbar-link.active{
    color:var(--orange);
    border-left:3px solid var(--orange);
  }
  .sobre-inner{
    grid-template-columns:1fr;
    gap:40px;
  }
  .sobre-image{
    height:320px;
  }
  .sobre-pilares{
    grid-template-columns:1fr;
  }
  .topbar-inner{
    flex-direction:column;
    gap:10px;
    text-align:center;
  }
  .hero-buttons{
    flex-direction:column;
  }
  .cta-banner-buttons{
    flex-direction:column;
    width:100%;
  }
  .cta-banner-buttons .btn{
    width:100%;
  }
  .contato-form-wrapper{
    padding:30px 20px;
  }
}

@media(max-width:768px){
  .features-grid{
    grid-template-columns:1fr;
  }
  .minerais-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .porque-grid{
    grid-template-columns:1fr;
  }
  .aplicacoes-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .parceiros-grid{
    grid-template-columns:repeat(2,1fr);
  }
}

@media(max-width:375px){
  .parceiros-grid{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr;
    text-align:center;
  }
}

@media(max-width:480px){
  .section-title{
    font-size:28px;
    line-height:1.3;
  }
}

@media(max-width:375px){
  .minerais-grid{
    grid-template-columns:1fr;
  }
  .aplicacoes-grid{
    grid-template-columns:1fr;
  }
}

@media(max-width:375px){
  .container{
    padding:0 16px;
  }
  .hero-content{
    padding:60px 16px;
  }
  .btn{
    padding:14px 25px;
    font-size:14px;
  }
  .scroll-top{
    width:45px;
    height:45px;
    bottom:20px;
    right:20px;
  }
}

/* MUDANÇAS 2026-08-04 */

/* MUDANÇA 2: Logo maior na navbar */
.navbar-logo img{
  height:58px;
  width:auto;
}
@media(max-width:900px){
  .navbar-logo img{height:48px;}
}
@media(max-width:375px){
  .navbar-logo img{height:40px;}
}

/* MUDANÇA 3: Seção Minerais nova (sem imagens, com grupos e chips) */
.minerais-intro{
  font-size:16px;
  line-height:1.8;
  color:var(--muted);
  margin:40px auto 20px;
  max-width:900px;
  text-align:left;
}
.minerais-destaque{
  font-family:var(--font-head);
  font-size:clamp(22px,3vw,24px);
  font-weight:600;
  color:var(--navy);
  text-align:center;
  max-width:700px;
  margin:50px auto;
  line-height:1.4;
  position:relative;
  padding-bottom:20px;
}
.minerais-destaque::after{
  content:'';
  position:absolute;
  bottom:0;
  left:50%;
  transform:translateX(-50%);
  width:60px;
  height:3px;
  background:var(--orange);
}
.minerais-fechamento{
  background:var(--grey);
  border-left:4px solid var(--orange);
  padding:32px 40px;
  max-width:900px;
  margin:60px auto 0;
}
.minerais-fechamento p{
  font-size:clamp(17px,2.5vw,18px);
  line-height:1.8;
  color:var(--muted);
  margin:0;
}
.minerais-grupos{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:30px;
  margin:60px 0;
}
.mineral-grupo{
  background:var(--grey);
  padding:30px;
  text-align:left;
}
.mineral-grupo:first-child{
  grid-column:1 / -1;
}
.mineral-grupo-titulo{
  font-family:var(--font-head);
  font-size:20px;
  font-weight:700;
  color:var(--navy);
  margin-bottom:12px;
}
.mineral-grupo-desc{
  font-size:14px;
  line-height:1.6;
  color:var(--muted);
  margin-bottom:20px;
}
.mineral-chips{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(140px,1fr));
  gap:10px;
}
.mineral-grupo:first-child .mineral-chips{
  grid-template-columns:repeat(auto-fill,minmax(160px,1fr));
}
.mineral-chip{
  display:inline-block;
  font-size:13px;
  font-weight:500;
  color:var(--navy);
  background:var(--white);
  padding:10px 14px;
  text-align:center;
  transition:all 0.3s ease;
  border:1px solid var(--border);
}
.mineral-chip:hover{
  background:var(--orange);
  color:var(--white);
  border-color:var(--orange);
  transform:translateY(-2px);
}
@media(max-width:767px){
  .minerais-grupos{grid-template-columns:1fr;}
  .mineral-grupo{grid-column:1!important;}
  .mineral-grupo:first-child .mineral-chips{grid-template-columns:repeat(3,1fr);}
  .mineral-chips{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:480px){
  .mineral-grupo:first-child .mineral-chips{grid-template-columns:repeat(2,1fr);}
}
.mineral-chips{
  min-width:0;
}
.mineral-chip{
  min-width:0;
  word-wrap:break-word;
  overflow-wrap:break-word;
}

/* MUDANÇA 4: Alinhamento "Por que a Breex" */
.porque-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:40px;
  align-items:start;
}
.porque-item{
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:16px;
  position:relative;
}
.porque-icon{
  flex-shrink:0;
  width:40px;
  height:40px;
}
/* MUDANÇA 5: Divisórias verticais entre itens */
.porque-item-2::before,
.porque-item-3::before{
  content:'';
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:1px;
  height:136px;
  background:rgba(255,255,255,0.22);
}
@media(max-width:768px){
  .porque-grid{grid-template-columns:1fr;}
  .porque-item-2::before,
  .porque-item-3::before{
    width:70%;
    height:1px;
    left:50%;
    top:0;
    transform:translateX(-50%);
    background:rgba(255,255,255,0.22);
  }
}

/* MUDANÇA 5: Ícones SVG nos pilares */
.pilar{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:12px;
}
.pilar-icon{
  flex-shrink:0;
  width:40px;
  height:40px;
}

/* MUDANÇA 6: Efeitos de movimento */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity 0.6s cubic-bezier(0.16,1,0.3,1),transform 0.6s cubic-bezier(0.16,1,0.3,1);
}
.reveal.visible{
  opacity:1;
  transform:translateY(0);
}
@media(prefers-reduced-motion:reduce){
  .reveal{
    opacity:1!important;
    transform:none!important;
    transition:none!important;
  }
}

/* Navbar scrolled */
.navbar.scrolled{
  box-shadow:0 4px 16px rgba(0,0,0,0.12);
  padding:10px 0;
}
.navbar.scrolled .navbar-inner{
  padding:10px 20px;
}

/* Hero parallax */
.hero-bg{
  will-change:transform;
}

/* Aplicacoes hover zoom */
.aplicacao-img-wrapper{
  overflow:hidden;
  position:relative;
}
.aplicacao-item img{
  transition:transform 0.5s cubic-bezier(0.16,1,0.3,1);
}
.aplicacao-item:hover img{
  transform:scale(1.08);
}

/* Cards hover elevation */
.feature-card,.mineral-grupo,.porque-item{
  transition:transform 0.3s cubic-bezier(0.16,1,0.3,1),box-shadow 0.3s cubic-bezier(0.16,1,0.3,1);
}
.feature-card:hover{
  transform:translateY(-8px);
  box-shadow:0 12px 30px rgba(0,0,0,0.12);
}

@media(max-width:900px){
  .navbar-lang-selector-desktop{
    display:none;
  }
  .navbar-lang-selector-mobile{
    display:flex;
    width:100%;
  }
  .navbar-lang{
    flex:1;
    justify-content:center;
    text-align:center;
  }
  .navbar-inner{
    gap:16px;
  }
}