:root{
  --bg:#11161c;
  --bg-2:#1a222b;
  --bg-3:#222c36;
  --surface:#f5f3ef;
  --surface-2:#ebe7e1;
  --white:#ffffff;
  --text:#1d2329;
  --muted:#66717c;
  --line:#d9d3cb;
  --steel:#2d3945;
  --steel-soft:#40505f;
  --accent:#d06f1d;
  --accent-2:#f29a2e;
  --accent-dark:#a65312;
  --shadow-xs:0 6px 18px rgba(0,0,0,0.06);
  --shadow-sm:0 12px 30px rgba(0,0,0,0.10);
  --shadow-md:0 18px 48px rgba(0,0,0,0.14);
  --shadow-lg:0 28px 80px rgba(0,0,0,0.18);
  --radius-sm:14px;
  --radius-md:18px;
  --radius-lg:24px;
  --radius-xl:34px;
  --container:1280px;
  --transition:all .35s ease;
}

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

html{
  scroll-behavior:smooth;
}

body{
  font-family:'Inter',sans-serif;
  background:linear-gradient(180deg,#f1ede7 0%, #e7e1d9 100%);
  color:var(--text);
  line-height:1.75;
  overflow-x:hidden;
}

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

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

button,
input,
textarea,
select{
  font:inherit;
}

.container{
  width:min(94%, var(--container));
  margin:0 auto;
}

/* HEADER */

.site-header{
  position:sticky;
  top:0;
  z-index:999;
  background:rgba(17,22,28,0.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,0.08);
  box-shadow:0 10px 28px rgba(0,0,0,0.18);
}

.nav{
  min-height:86px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}

.brand{
  display:flex;
  flex-direction:column;
  gap:3px;
}

.brand-top{
  font-size:.75rem;
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--accent-2);
  font-weight:800;
}

.brand-main{
  font-family:'Playfair Display',serif;
  font-size:1.9rem;
  font-weight:700;
  color:#fff;
  line-height:1;
}

.menu{
  display:flex;
  align-items:center;
  gap:24px;
}

.menu a{
  font-size:.95rem;
  font-weight:600;
  color:rgba(255,255,255,0.88);
  transition:var(--transition);
  position:relative;
}

.menu a:hover{
  color:#fff;
}

.menu a:not(.menu-cta)::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-7px;
  width:0;
  height:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  transition:var(--transition);
}

.menu a:not(.menu-cta):hover::after{
  width:100%;
}

.menu-cta{
  padding:12px 18px;
  border-radius:999px;
  background:linear-gradient(135deg,var(--accent-2),var(--accent));
  color:#fff !important;
  box-shadow:0 14px 34px rgba(208,111,29,0.30);
}

.menu-toggle{
  display:none;
  width:48px;
  height:48px;
  border:none;
  border-radius:14px;
  background:rgba(255,255,255,0.08);
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}

.menu-toggle span{
  width:22px;
  height:2px;
  background:#fff;
  border-radius:999px;
}

/* HERO */

.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  background:
    linear-gradient(90deg, rgba(10,14,18,0.82), rgba(10,14,18,0.54)),
    url('/assets/images/banner-fundicao.jpg') center center / cover no-repeat;
  background-color:#161c22;
}

.hero-overlay{
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 18% 20%, rgba(242,154,46,0.16), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.14));
}

.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:36px;
  align-items:center;
  padding:128px 0 112px;
}

.hero-content{
  max-width:760px;
}

.eyebrow{
  font-size:.78rem;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.22em;
  color:var(--accent-2);
  margin-bottom:16px;
}

.hero h1,
.section-heading h2,
.contact-text h2,
.footer-grid h4,
.institutional-text h3{
  font-family:'Playfair Display',serif;
}

.hero h1{
  font-size:clamp(2.9rem, 4.4vw, 5.3rem);
  line-height:1.04;
  color:#fff;
  margin-bottom:22px;
  text-shadow:0 8px 26px rgba(0,0,0,0.28);
}

.hero h1 span{
  color:#ffbf73;
}

.hero-text{
  font-size:1.06rem;
  color:rgba(255,255,255,0.92);
  max-width:660px;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}

.btn{
  min-height:54px;
  padding:0 24px;
  border-radius:999px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  transition:var(--transition);
}

.btn:hover{
  transform:translateY(-2px);
}

.btn-primary{
  background:linear-gradient(135deg,var(--accent-2),var(--accent));
  color:#fff;
  box-shadow:0 14px 34px rgba(208,111,29,0.30);
}

.btn-secondary{
  border:1px solid rgba(255,255,255,0.55);
  color:#fff;
  background:rgba(255,255,255,0.08);
}

.hero-panel,
.company-card,
.timeline-card,
.info-card,
.feature-card,
.catalog-card,
.detail-card,
.contact-panel,
.contact-box,
.institutional-block{
  background:rgba(255,255,255,0.94);
  border:1px solid rgba(255,255,255,0.82);
  box-shadow:var(--shadow-lg);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}

.hero-panel{
  border-radius:var(--radius-xl);
  padding:34px;
}

.hero-panel-header{
  margin-bottom:24px;
}

.panel-label{
  display:inline-block;
  font-size:.75rem;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.18em;
  color:var(--accent);
  margin-bottom:10px;
}

.hero-panel h3{
  font-size:1.38rem;
  line-height:1.35;
  color:var(--steel);
}

.stats-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
}

.stat-box{
  padding:22px;
  border-radius:20px;
  background:#fff;
  border:1px solid #eee7de;
  box-shadow:var(--shadow-xs);
}

.stat-box strong{
  display:block;
  font-size:1.16rem;
  color:var(--accent-dark);
  margin-bottom:8px;
}

.stat-box span{
  display:block;
  color:var(--muted);
  font-size:.95rem;
  line-height:1.5;
}

/* SECTIONS */

.section{
  position:relative;
  padding:110px 0;
}

.section-light{
  background:transparent;
}

.section-soft{
  background:linear-gradient(180deg, rgba(255,255,255,0.52), rgba(230,223,213,0.82));
}

.section-contact{
  background:linear-gradient(180deg,#dcd4ca 0%, #e9e1d7 100%);
}

.section-heading{
  margin-bottom:46px;
}

.section-heading.center{
  max-width:960px;
  margin:0 auto 56px;
  text-align:center;
}

.section-heading h2,
.contact-text h2{
  font-size:clamp(2rem, 3vw, 3.4rem);
  color:var(--steel);
  line-height:1.12;
  margin-bottom:16px;
}

.section-intro{
  color:var(--muted);
  font-size:1.03rem;
  max-width:880px;
  margin:0 auto;
}

.section-intro.left{
  margin:0;
}

.catalog-detail-heading{
  margin-top:72px;
}

.two-col{
  display:grid;
  grid-template-columns:.96fr 1.04fr;
  gap:34px;
  align-items:start;
}

/* COMPANY */

.company-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-bottom:28px;
}

.company-card{
  border-radius:var(--radius-lg);
  padding:30px;
  transition:var(--transition);
}

.company-card h3{
  font-size:1.18rem;
  color:var(--steel);
  margin-bottom:12px;
}

.company-card p{
  color:var(--muted);
}

.institutional-block{
  border-radius:var(--radius-xl);
  padding:34px;
}

.institutional-text h3{
  font-size:1.7rem;
  color:var(--steel);
  margin-bottom:14px;
}

.institutional-text p{
  color:var(--muted);
}

.institutional-text p + p{
  margin-top:14px;
}

/* TIMELINE */

.timeline-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

.timeline-card{
  border-radius:var(--radius-lg);
  padding:30px;
  transition:var(--transition);
}

.timeline-number{
  width:56px;
  height:56px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  margin-bottom:18px;
  background:linear-gradient(135deg,var(--accent-2),var(--accent));
  color:#fff;
  font-weight:800;
  box-shadow:0 12px 28px rgba(208,111,29,0.24);
}

.timeline-card h3{
  color:var(--steel);
  margin-bottom:10px;
}

.timeline-card p{
  color:var(--muted);
}

.history-text-block,
.products-text-block,
.catalog-bottom-text{
  margin-top:28px;
  padding:26px 30px;
  border-left:4px solid var(--accent);
  background:rgba(255,255,255,0.72);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  box-shadow:var(--shadow-sm);
}

.history-text-block p,
.products-text-block p,
.catalog-bottom-text p{
  color:var(--muted);
}

/* PRODUCTS */

.cards-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

.info-card{
  border-radius:var(--radius-lg);
  padding:30px;
  transition:var(--transition);
}

.info-card h3{
  color:var(--steel);
  margin-bottom:12px;
  font-size:1.2rem;
}

.info-card p{
  color:var(--muted);
  margin-bottom:18px;
}

.info-card ul{
  list-style:none;
  display:grid;
  gap:10px;
}

.info-card li{
  position:relative;
  padding-left:18px;
  color:var(--muted);
}

.info-card li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--accent);
}

/* QUALITY */

.quality-grid{
  align-items:start;
}

.feature-stack{
  display:grid;
  gap:18px;
}

.feature-card{
  border-radius:var(--radius-lg);
  padding:28px;
  transition:var(--transition);
}

.feature-card h3{
  color:var(--steel);
  margin-bottom:10px;
  font-size:1.18rem;
}

.feature-card p{
  color:var(--muted);
}

/* CATALOG */

.catalog-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}

.catalog-card{
  border-radius:20px;
  padding:24px;
  text-align:center;
  transition:var(--transition);
}

.catalog-card h3{
  color:var(--accent-dark);
  margin-bottom:8px;
  font-size:1.15rem;
}

.catalog-card p{
  color:var(--muted);
  font-size:.95rem;
}

/* DETAIL */

.detail-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

.detail-card{
  border-radius:var(--radius-lg);
  padding:28px;
  transition:var(--transition);
}

.detail-card h3{
  color:var(--accent-dark);
  margin-bottom:10px;
  font-size:1.16rem;
}

.detail-card p{
  color:var(--muted);
}

/* CONTACT */

.contact-panel{
  border-radius:var(--radius-xl);
  padding:42px;
}

.contact-text{
  margin-bottom:30px;
}

.contact-text p{
  color:var(--muted);
  max-width:820px;
}

.contact-info{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
}

.contact-box{
  border-radius:22px;
  padding:24px;
  background:#fff;
  transition:var(--transition);
}

.contact-box span{
  display:block;
  font-size:.78rem;
  text-transform:uppercase;
  letter-spacing:.16em;
  color:var(--accent);
  margin-bottom:8px;
  font-weight:800;
}

.contact-box strong{
  color:var(--steel);
  font-size:1rem;
  line-height:1.6;
}

.contact-box.full{
  grid-column:1 / -1;
}

/* FOOTER */

.site-footer{
  background:linear-gradient(180deg,#18202a 0%, #12181f 100%);
  color:rgba(255,255,255,0.88);
  padding:60px 0 22px;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr .8fr;
  gap:26px;
}

.footer-grid h4{
  font-size:1.2rem;
  margin-bottom:14px;
  color:#fff;
}

.footer-grid p,
.footer-grid li,
.footer-bottom p{
  color:rgba(255,255,255,0.72);
}

.footer-grid ul{
  list-style:none;
  display:grid;
  gap:10px;
}

.footer-grid a{
  transition:var(--transition);
}

.footer-grid a:hover{
  color:#fff;
}

.footer-bottom{
  margin-top:34px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,0.08);
  text-align:center;
}

/* HOVER */

.company-card:hover,
.timeline-card:hover,
.info-card:hover,
.feature-card:hover,
.catalog-card:hover,
.detail-card:hover,
.contact-box:hover{
  transform:translateY(-6px);
  box-shadow:0 32px 82px rgba(0,0,0,0.18);
}

/* REVEAL */

.reveal{
  opacity:0;
  transform:translateY(34px);
  transition:opacity .8s ease, transform .8s ease;
}

.reveal.visible{
  opacity:1;
  transform:translateY(0);
}

/* RESPONSIVE */

@media (max-width: 1180px){
  .hero-grid,
  .two-col,
  .timeline-grid,
  .cards-grid,
  .detail-grid,
  .company-grid{
    grid-template-columns:1fr;
  }

  .catalog-grid{
    grid-template-columns:repeat(2,1fr);
  }

  .footer-grid{
    grid-template-columns:1fr;
  }
}

@media (max-width: 860px){
  .menu-toggle{
    display:flex;
  }

  .menu{
    position:absolute;
    top:86px;
    left:3%;
    right:3%;
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    gap:14px;
    padding:24px;
    background:rgba(17,22,28,0.98);
    border:1px solid rgba(255,255,255,0.08);
    border-radius:22px;
    box-shadow:var(--shadow-md);
    opacity:0;
    pointer-events:none;
    transform:translateY(-12px);
    transition:var(--transition);
  }

  .menu.active{
    opacity:1;
    pointer-events:auto;
    transform:translateY(0);
  }

  .hero{
    min-height:auto;
  }

  .hero-grid{
    padding:110px 0 90px;
  }

  .stats-grid,
  .contact-info,
  .catalog-grid,
  .detail-grid{
    grid-template-columns:1fr;
  }

  .hero-panel,
  .institutional-block,
  .contact-panel{
    padding:28px;
  }
}

@media (max-width: 560px){
  .section{
    padding:84px 0;
  }

  .hero h1{
    font-size:2.35rem;
  }

  .hero-actions{
    flex-direction:column;
  }

  .btn{
    width:100%;
  }

  .brand-main{
    font-size:1.55rem;
  }

  .section-heading h2,
  .contact-text h2,
  .institutional-text h3{
    font-size:2rem;
  }

  .history-text-block,
  .products-text-block,
  .catalog-bottom-text{
    padding:22px;
  }
}