:root{
  --preto:#070707;
  --grafite:#141414;
  --concreto:#2a2a2a;
  --branco:#ffffff;
  --cinza-claro:#d6d6d6;
  --prata:#bfc3c7;
  --ambar:#e5a019;
  --ambar-claro:#f2b52b;
  --laranja:#b96313;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--preto);
  color:var(--cinza-claro);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
h1,h2,h3,h4{color:var(--branco);margin:0;letter-spacing:-0.02em;line-height:1.1;}
p{margin:0;line-height:1.7;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:var(--font);cursor:pointer;}

::-webkit-scrollbar{width:6px;}
::-webkit-scrollbar-track{background:var(--preto);}
::-webkit-scrollbar-thumb{background:var(--ambar);border-radius:3px;}

.container{max-width:1240px;margin:0 auto;padding:0 24px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;
  color:var(--ambar);margin-bottom:18px;
}

.section{padding:110px 0;position:relative;}
.section-tight{padding:80px 0;}
@media(max-width:768px){
  .section{padding:70px 0;}
  .section-tight{padding:56px 0;}
}

.title-xl{font-size:clamp(34px,5vw,64px);font-weight:800;}
.title-lg{font-size:clamp(28px,3.6vw,44px);font-weight:800;}
.title-md{font-size:clamp(22px,2.6vw,30px);font-weight:700;}
.lead{font-size:clamp(16px,1.6vw,19px);color:var(--cinza-claro);max-width:680px;}

.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(191,195,199,0.25),transparent);}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(7,7,7,0.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(191,195,199,0.12);
  transition:background .3s ease;
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:82px;
}
.logo{display:flex;align-items:center;gap:12px;}
.logo-img{height:32px;width:auto;display:block;}
@media(max-width:480px){.logo-img{height:24px;}}
.footer-brand .logo-img{height:34px;}

.main-nav{display:flex;align-items:center;gap:2px;}
.main-nav a.mobile-cta{display:none;}
.main-nav a{
  padding:10px 16px;font-size:13px;font-weight:600;letter-spacing:0.03em;
  color:var(--cinza-claro);text-transform:uppercase;border-radius:6px;
  transition:color .2s ease, background .2s ease;
}
.main-nav a:hover{color:var(--ambar-claro);background:rgba(229,160,25,0.08);}
.main-nav a.active{color:var(--ambar);}

.header-actions{display:flex;align-items:center;gap:14px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;font-size:13px;font-weight:700;letter-spacing:0.04em;
  text-transform:uppercase;border-radius:3px;border:1px solid transparent;
  transition:transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
  white-space:nowrap;
}
.btn-gold{
  background:linear-gradient(135deg,var(--ambar),var(--ambar-claro));
  color:#141414;
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(229,160,25,0.28);}
.btn-outline{
  border-color:rgba(191,195,199,0.35);color:var(--branco);background:transparent;
}
.btn-outline:hover{border-color:var(--ambar);color:var(--ambar-claro);transform:translateY(-2px);}
.btn-ghost{
  color:var(--cinza-claro);padding:13px 8px;
}
.btn-ghost:hover{color:var(--ambar-claro);}
.btn-sm{padding:10px 18px;font-size:12px;}
.btn-block{width:100%;}

.header-cta{display:none;}
@media(min-width:1080px){.header-cta{display:inline-flex;}}

.burger{
  display:flex;flex-direction:column;gap:5px;background:none;border:none;padding:8px;
}
.burger span{width:24px;height:2px;background:var(--branco);display:block;transition:.25s ease;}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.open span:nth-child(2){opacity:0;}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media(max-width:1079px){
  .main-nav{
    position:fixed;top:82px;left:0;right:0;
    height:calc(100vh - 82px);height:calc(100dvh - 82px);
    background:rgba(7,7,7,0.98);backdrop-filter:blur(10px);
    flex-direction:column;align-items:stretch;padding:24px;gap:6px;
    transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav a{padding:16px;font-size:15px;border-bottom:1px solid rgba(191,195,199,0.08);}
  .main-nav a.mobile-cta{display:block;margin-top:16px;}
}
@media(min-width:1080px){.burger{display:none;}}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding-top:82px;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,7,7,0.75) 0%,rgba(7,7,7,0.88) 55%,#070707 100%);
}
.hero-content{position:relative;z-index:1;max-width:820px;}
.hero .title-xl{margin-bottom:22px;}
.hero .lead{margin-bottom:36px;}
.hero-btns{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:56px;}
.hero-indicators{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  max-width:980px;
}
.hero-indicator{
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,0.04);backdrop-filter:blur(6px);
  border:1px solid rgba(191,195,199,0.16);border-radius:8px;
  padding:16px;transition:transform .3s ease, border-color .3s ease, background .3s ease;
}
.hero-indicator:hover{
  transform:translateY(-4px);
  border-color:rgba(229,160,25,0.5);
  background:rgba(229,160,25,0.06);
}
.hero-indicator .ind-icon{
  flex-shrink:0;width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(229,160,25,0.18),rgba(229,160,25,0.04));
  border:1px solid rgba(229,160,25,0.35);
}
.hero-indicator .ind-icon svg{width:18px;height:18px;}
.hero-indicator span{font-size:12.5px;color:var(--cinza-claro);font-weight:600;line-height:1.35;}
@media(max-width:768px){.hero-indicators{grid-template-columns:1fr 1fr;}}
@media(max-width:480px){.hero-indicators{grid-template-columns:1fr;}}

.page-hero{
  position:relative;padding:180px 0 90px;overflow:hidden;
}
.page-hero .hero-bg{position:absolute;inset:0;}
.page-hero .hero-bg img{width:100%;height:100%;object-fit:cover;opacity:0.55;}
.page-hero .hero-bg::after{background:linear-gradient(180deg,rgba(7,7,7,0.55) 0%,#070707 95%);}
.page-hero .container{position:relative;z-index:1;}

/* ---------- Cards ---------- */
.card{
  background:var(--grafite);
  border:1px solid rgba(191,195,199,0.14);
  border-radius:6px;padding:40px;
  transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.card:hover{border-color:rgba(229,160,25,0.5);transform:translateY(-6px);box-shadow:0 20px 40px rgba(0,0,0,0.4);}
.card-gold-line{width:44px;height:3px;background:var(--ambar);margin-bottom:22px;}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
@media(max-width:900px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}}
@media(min-width:901px) and (max-width:1180px){.grid-4{grid-template-columns:repeat(2,1fr);}}

.feature-list li{
  display:flex;align-items:flex-start;gap:12px;padding:11px 0;
  border-bottom:1px solid rgba(191,195,199,0.08);color:var(--cinza-claro);font-size:15px;
}
.feature-list li:last-child{border-bottom:none;}
.feature-list li::before{
  content:"";flex-shrink:0;width:8px;height:8px;margin-top:6px;
  background:var(--ambar);transform:rotate(45deg);
}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(229,160,25,0.4);background:rgba(229,160,25,0.08);
  color:var(--ambar-claro);padding:9px 18px;font-size:12px;font-weight:700;
  letter-spacing:0.06em;text-transform:uppercase;border-radius:3px;
}

.badge-highlight{
  display:inline-flex;align-items:center;gap:12px;
  background:linear-gradient(135deg,var(--ambar),var(--ambar-claro));
  color:#141414;padding:18px 28px;border-radius:4px;
  font-size:clamp(14px,2vw,19px);font-weight:800;letter-spacing:0.03em;
  text-transform:uppercase;line-height:1.3;
  box-shadow:0 0 0 1px rgba(229,160,25,0.5),0 14px 40px rgba(229,160,25,0.32);
}
.badge-highlight .badge-icon{
  flex-shrink:0;width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
}
.badge-highlight .badge-icon svg{width:100%;height:100%;}

/* ---------- Timeline ---------- */
.timeline{display:flex;flex-direction:column;gap:0;}
.timeline-item{
  display:grid;grid-template-columns:70px 1fr;gap:24px;padding:30px 0;
  border-top:1px solid rgba(191,195,199,0.12);
}
.timeline-item:last-child{border-bottom:1px solid rgba(191,195,199,0.12);}
.timeline-num{font-size:34px;font-weight:800;color:var(--ambar);opacity:0.85;}
.timeline-item h3{font-size:19px;margin-bottom:8px;}
.timeline-item p{max-width:600px;}
@media(max-width:640px){.timeline-item{grid-template-columns:44px 1fr;}.timeline-num{font-size:24px;}}

/* ---------- Stats / value blocks ---------- */
.value-block{
  border:1px solid rgba(191,195,199,0.14);padding:32px;background:var(--grafite);
}
.value-block h4{color:var(--ambar);font-size:12px;letter-spacing:0.12em;text-transform:uppercase;margin-bottom:14px;}

/* ---------- Product page ---------- */
.product-hero{display:grid;grid-template-columns:0.9fr 1.1fr;gap:60px;align-items:center;}
@media(max-width:900px){.product-hero{grid-template-columns:1fr;gap:36px;}}
@media(min-width:901px){
  #impera-concreto .product-hero{grid-template-columns:1.25fr 1fr;}
}
.product-media{
  background:radial-gradient(circle at 50% 30%,#1c1c1c,#0a0a0a 70%);
  border:1px solid rgba(191,195,199,0.14);border-radius:6px;overflow:hidden;
  position:relative;
}
.product-media img{width:100%;height:100%;object-fit:cover;}
.spec-table{width:100%;border-collapse:collapse;margin-top:20px;}
.spec-table tr{border-bottom:1px solid rgba(191,195,199,0.1);}
.spec-table td{padding:13px 0;font-size:14.5px;}
.spec-table td:first-child{color:var(--prata);width:44%;}
.spec-table td:last-child{color:var(--cinza-claro);font-weight:600;}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:linear-gradient(135deg,var(--grafite),#0d0d0d);
  border:1px solid rgba(229,160,25,0.25);
  border-radius:8px;padding:70px 50px;text-align:center;
  position:relative;overflow:hidden;
}
.cta-banner::before{
  content:"";position:absolute;top:-40%;right:-10%;width:400px;height:400px;
  background:radial-gradient(circle,rgba(229,160,25,0.14),transparent 70%);
}
.cta-banner .btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:30px;position:relative;z-index:1;}
.cta-banner h2{position:relative;z-index:1;}
.cta-banner p{position:relative;z-index:1;margin:16px auto 0;}

/* ---------- Footer ---------- */
.site-footer{background:#050505;border-top:1px solid rgba(191,195,199,0.12);padding:70px 0 26px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:50px;}
@media(max-width:900px){.footer-top{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.footer-top{grid-template-columns:1fr;}}
.footer-top h5{color:var(--branco);font-size:13px;letter-spacing:0.1em;text-transform:uppercase;margin-bottom:20px;}
.footer-top ul li{margin-bottom:12px;}
.footer-top ul li a{color:var(--prata);font-size:14px;transition:color .2s;}
.footer-top ul li a:hover{color:var(--ambar);}
.footer-brand p{color:var(--prata);font-size:14px;margin-top:16px;max-width:280px;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  padding-top:26px;border-top:1px solid rgba(191,195,199,0.1);
  font-size:12.5px;color:#7a7a7a;
}
.footer-bottom a{color:#9a9a9a;}
.footer-bottom a:hover{color:var(--ambar);}
.footer-legal-note{font-size:12px;color:#666;max-width:900px;margin-top:20px;line-height:1.6;}

/* ---------- WhatsApp float ---------- */
.wa-float{
  position:fixed;bottom:26px;right:26px;z-index:900;
  width:60px;height:60px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(0,0,0,0.4);
  animation:pulse-wa 2.6s infinite;
}
.wa-float:hover{transform:scale(1.08);}
@keyframes pulse-wa{
  0%{box-shadow:0 8px 24px rgba(0,0,0,0.4),0 0 0 0 rgba(37,211,102,0.5);}
  70%{box-shadow:0 8px 24px rgba(0,0,0,0.4),0 0 0 14px rgba(37,211,102,0);}
  100%{box-shadow:0 8px 24px rgba(0,0,0,0.4),0 0 0 0 rgba(37,211,102,0);}
}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media(max-width:700px){.form-grid{grid-template-columns:1fr;}}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13px;font-weight:600;color:var(--prata);}
.field label .req{color:var(--ambar);}
.field input,.field select,.field textarea{
  background:#111;border:1px solid rgba(191,195,199,0.2);border-radius:4px;
  padding:13px 14px;color:var(--branco);font-family:var(--font);font-size:14.5px;
  transition:border-color .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ambar);
}
.field textarea{resize:vertical;min-height:110px;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--prata);}
.check-row input{margin-top:3px;}
.radio-paths{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:40px;}
@media(max-width:760px){.radio-paths{grid-template-columns:1fr;}}
.radio-path{
  border:1px solid rgba(191,195,199,0.18);padding:22px;border-radius:6px;
  cursor:pointer;transition:border-color .2s,background .2s;
}
.radio-path input{display:none;}
.radio-path.active,.radio-path:hover{border-color:var(--ambar);background:rgba(229,160,25,0.06);}
.form-success{
  display:none;text-align:center;padding:60px 20px;
}
.form-success.show{display:block;}
.form-success .icon{
  width:70px;height:70px;border-radius:50%;background:rgba(229,160,25,0.12);
  border:1px solid var(--ambar);display:flex;align-items:center;justify-content:center;
  margin:0 auto 24px;font-size:30px;color:var(--ambar);
}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease, transform .7s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}
.reveal-delay-1{transition-delay:.08s;}
.reveal-delay-2{transition-delay:.16s;}
.reveal-delay-3{transition-delay:.24s;}
.reveal-delay-4{transition-delay:.32s;}

/* ---------- 404 ---------- */
.error-page{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:120px 24px 60px;
}
.error-page .code{font-size:clamp(80px,14vw,160px);font-weight:800;color:var(--ambar);line-height:1;}

/* ---------- Cookie consent ---------- */
.cookie-bar{
  position:fixed;bottom:0;left:0;right:0;z-index:1100;
  background:rgba(10,10,10,0.97);border-top:1px solid rgba(229,160,25,0.3);
  padding:20px 24px;display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  transform:translateY(120%);transition:transform .4s ease;
}
.cookie-bar.show{transform:translateY(0);}
.cookie-bar p{font-size:13.5px;color:var(--prata);flex:1;min-width:240px;}

.section-header{max-width:760px;margin-bottom:60px;}
.section-header.center{margin-left:auto;margin-right:auto;text-align:center;}

.icon-box{
  width:52px;height:52px;border:1px solid rgba(229,160,25,0.4);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--ambar);
}