@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --zinc-950: #121316;
  --zinc-900: #18181B;
  --zinc-800: #27272A;
  --zinc-700: #3F3F46;
  --zinc-200: #E4E4E7;
  --zinc-100: #F4F4F5;
  --white: #FFFFFF;
  --orange-600: #EA580C;
  --orange-500: #F97316;
  --orange-400: #FB923C;
  --orange-50: #FFF7ED;
  --text-dark: #18181B;
  --text-body: #3F3F46;
  --text-muted: #71717A;
  --font-display: 'Chakra Petch', sans-serif;
  --font-sans: 'Plus Jakarta Sans', sans-serif;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 6px 20px rgba(24, 24, 27, 0.05);
  --shadow-lg: 0 22px 48px rgba(24, 24, 27, 0.12);
  --header-h: 82px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--text-body);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   GTM: o clique precisa cair SEMPRE no <a>, nunca em ícone/filho
   ========================================================================== */
a.gtm-wa,
a.whatsapp-link,
a.btn-whatsapp,
a.gtm-whatsapp-click {
  position: relative;
}

a.gtm-wa *,
a.whatsapp-link *,
a.btn-whatsapp *,
a.gtm-whatsapp-click *,
a.contato *,
a.whatsapp-popup-trigger *,
a.whatsapp-popup *,
a[name="whatsapp-popup"] * {
  pointer-events: none !important;
}

a.gtm-wa::before {
  content: "";
  display: inline-block;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  pointer-events: none;
  background-color: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M12.03 2c-5.52 0-10 4.48-10 10 0 1.77.46 3.43 1.27 4.88L2 22l5.25-1.25c1.41.77 3.04 1.21 4.78 1.21 5.52 0 10-4.48 10-10S17.55 2 12.03 2Zm5.82 14.15c-.24.68-1.4 1.3-1.95 1.38-.51.08-1.15.11-1.86-.12-.43-.14-.98-.32-1.68-.62-2.96-1.28-4.89-4.26-5.04-4.46-.15-.2-1.2-1.6-1.2-3.05 0-1.45.76-2.16 1.03-2.46.27-.3.59-.37.79-.37.2 0 .4 0 .57.01.18.01.43-.07.67.51.24.58.82 2 .89 2.15.07.15.12.32.02.52-.1.2-.15.32-.3.5-.15.17-.31.39-.45.52-.15.15-.3.31-.13.61.17.3.76 1.25 1.63 2.02 1.12.99 2.06 1.3 2.36 1.45.3.15.47.13.65-.08.17-.2.74-.86.94-1.16.2-.3.4-.25.67-.15.27.1 1.73.82 2.03.97.3.15.5.22.57.35.07.12.07.72-.17 1.4Z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M12.03 2c-5.52 0-10 4.48-10 10 0 1.77.46 3.43 1.27 4.88L2 22l5.25-1.25c1.41.77 3.04 1.21 4.78 1.21 5.52 0 10-4.48 10-10S17.55 2 12.03 2Zm5.82 14.15c-.24.68-1.4 1.3-1.95 1.38-.51.08-1.15.11-1.86-.12-.43-.14-.98-.32-1.68-.62-2.96-1.28-4.89-4.26-5.04-4.46-.15-.2-1.2-1.6-1.2-3.05 0-1.45.76-2.16 1.03-2.46.27-.3.59-.37.79-.37.2 0 .4 0 .57.01.18.01.43-.07.67.51.24.58.82 2 .89 2.15.07.15.12.32.02.52-.1.2-.15.32-.3.5-.15.17-.31.39-.45.52-.15.15-.3.31-.13.61.17.3.76 1.25 1.63 2.02 1.12.99 2.06 1.3 2.36 1.45.3.15.47.13.65-.08.17-.2.74-.86.94-1.16.2-.3.4-.25.67-.15.27.1 1.73.82 2.03.97.3.15.5.22.57.35.07.12.07.72-.17 1.4Z'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* ==========================================================================
   TOPBAR & HEADER
   ========================================================================== */
.topbar {
  background: var(--zinc-950);
  color: #D4D4D8;
  font-size: 0.8rem;
  padding: 9px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.topbar-info {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.topbar-info span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
}

.topbar-info strong {
  color: var(--orange-400);
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--zinc-200);
  transition: all 0.25s ease;
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.24rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

.brand-title span {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--orange-600);
  letter-spacing: 0.12em;
  margin-top: 3px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-body);
}

.nav-link:hover,
.nav-link.active {
  color: var(--orange-600);
}

.nav-anchor-btn {
  background: var(--zinc-900);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 11px 20px;
  border-radius: var(--radius-sm);
}

.nav-anchor-btn:hover {
  background: var(--orange-600);
}

.nav-toggle {
  display: none;
  background: var(--zinc-100);
  border: 1px solid var(--zinc-200);
  width: 44px;
  height: 44px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
  cursor: pointer;
}

/* ==========================================================================
   HERO ENGENHARIA DE CONCRETO USINADO
   ========================================================================== */
.hero {
  background:
    radial-gradient(circle at 85% 20%, rgba(249, 115, 22, 0.2), transparent 42%),
    linear-gradient(135deg, #121316 0%, #18181B 60%, #27272A 100%);
  color: var(--white);
  padding: 76px 0 92px;
  position: relative;
  border-bottom: 5px solid var(--orange-500);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.badge-industrial {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(249, 115, 22, 0.16);
  border: 1px solid rgba(249, 115, 22, 0.4);
  color: var(--orange-400);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 7px 15px;
  border-radius: 6px;
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 4.5vw, 3.65rem);
  font-weight: 700;
  line-height: 1.07;
  color: var(--white);
  margin-bottom: 20px;
}

.hero-title span {
  color: var(--orange-500);
}

.hero-lead {
  font-size: 1.08rem;
  color: #D4D4D8;
  max-width: 550px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.btn-mix-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  background: var(--orange-500);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 16px 30px;
  border-radius: var(--radius-sm);
  box-shadow: 0 12px 28px rgba(249, 115, 22, 0.35);
  cursor: pointer;
}

.btn-mix-whatsapp:hover {
  background: var(--orange-600);
  transform: translateY(-2px);
}

.btn-mix-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--white);
  font-weight: 700;
  font-size: 0.95rem;
}

.btn-mix-outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hero-pillars {
  margin-top: 38px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.pillar-box strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.45rem;
  color: var(--orange-400);
}

.pillar-box span {
  font-size: 0.82rem;
  color: #A1A1AA;
  font-weight: 600;
}

.hero-visual-box {
  position: relative;
}

.hero-img-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid rgba(249, 115, 22, 0.45);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.5);
}

.hero-img-card img {
  width: 100%;
  height: 430px;
  object-fit: cover;
}

.hero-spec-tag {
  margin-top: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.86rem;
  color: #E4E4E7;
}

.hero-spec-tag strong {
  color: var(--orange-400);
}

/* ==========================================================================
   SECTIONS
   ========================================================================== */
.section {
  padding: 92px 0;
}

.section-concrete {
  background: var(--zinc-100);
}

.section-dark {
  background: var(--zinc-950);
  color: var(--white);
}

.section-head {
  max-width: 680px;
  margin-bottom: 50px;
}

.section-head.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.tag-label {
  display: inline-block;
  background: var(--orange-50);
  border: 1px solid #FED7AA;
  color: var(--orange-600);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border-radius: 6px;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.4vw, 2.65rem);
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.14;
}

.section-dark .section-title {
  color: var(--white);
}

.section-desc {
  margin-top: 12px;
  font-size: 1.04rem;
  color: var(--text-muted);
}

.section-dark .section-desc {
  color: #A1A1AA;
}

/* ==========================================================================
   SOLUÇÕES EM CONCRETO USINADO (CAD, CONVENCIONAL, PAVIMENTAÇÃO)
   ========================================================================== */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.solution-card {
  background: var(--white);
  border: 1px solid var(--zinc-200);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.25s ease;
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--orange-500);
}

.solution-card.featured {
  border: 2px solid var(--orange-500);
}

.mpa-badge {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--zinc-200);
}

.mpa-value {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--orange-600);
  line-height: 1;
}

.mpa-tag {
  background: var(--zinc-900);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 6px;
}

.solution-card h3 {
  font-family: var(--font-display);
  font-size: 1.32rem;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.solution-card p {
  font-size: 0.94rem;
  color: var(--text-muted);
  margin-bottom: 22px;
}

.solution-list {
  margin-top: auto;
  display: grid;
  gap: 10px;
}

.solution-list li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-dark);
}

.solution-list li::before {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--orange-50);
  color: var(--orange-600);
  font-weight: 800;
  font-size: 0.78rem;
  flex-shrink: 0;
}

/* BANNER DE CÁLCULO DE VOLUME / TRAÇO (PONTO DE CONTATO 2) */
.calc-cta-band {
  margin-top: 44px;
  background: linear-gradient(135deg, #18181B 0%, #27272A 100%);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
  border-left: 6px solid var(--orange-500);
  box-shadow: var(--shadow-lg);
}

.calc-cta-band h3 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.5vw, 1.9rem);
  margin-bottom: 6px;
}

.calc-cta-band p {
  color: #D4D4D8;
  max-width: 540px;
}

/* ==========================================================================
   USINA, LABORATÓRIO E DIFERENCIAIS
   ========================================================================== */
.plant-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 52px;
  align-items: center;
}

.plant-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 3px solid var(--zinc-900);
}

.plant-photo img {
  width: 100%;
  height: 430px;
  object-fit: cover;
}

.diff-cards {
  margin-top: 26px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.diff-item {
  background: var(--white);
  border: 1px solid var(--zinc-200);
  border-radius: var(--radius-md);
  padding: 18px;
}

.diff-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.02rem;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.diff-item span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   DEPOIMENTOS DE ENGENHEIROS E CLIENTES
   ========================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 28px 24px;
}

.review-stars {
  color: #FBBF24;
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.review-text {
  color: #E4E4E7;
  font-size: 0.94rem;
  margin-bottom: 18px;
}

.review-author strong {
  display: block;
  font-family: var(--font-display);
  color: var(--white);
  font-size: 0.98rem;
}

.review-author span {
  font-size: 0.8rem;
  color: var(--orange-400);
}

/* ==========================================================================
   REGIÕES DE ATENDIMENTO (BH & GRANDE BH) + FAQ
   ========================================================================== */
.regions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.region-card {
  background: var(--white);
  border: 1px solid var(--zinc-200);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.04rem;
  color: var(--text-dark);
  box-shadow: var(--shadow-sm);
}

.region-card small {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--orange-600);
  font-weight: 700;
  margin-top: 4px;
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--zinc-200);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}

.faq-item summary {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  margin-top: 10px;
  font-size: 0.94rem;
  color: var(--text-muted);
}

/* ==========================================================================
   CTA FINAL (PONTO DE CONTATO 3) & FOOTER COM CNPJ E ENDEREÇO
   ========================================================================== */
.final-cta {
  background: linear-gradient(135deg, #121316 0%, #27272A 100%);
  color: var(--white);
  padding: 78px 0;
  border-top: 4px solid var(--orange-500);
}

.final-cta-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.final-cta-flex h2 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.2vw, 2.5rem);
  margin-bottom: 10px;
}

.final-cta-flex p {
  color: #D4D4D8;
  max-width: 540px;
}

.footer {
  background: #0B0C0E;
  color: #A1A1AA;
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr 1.3fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer h4 {
  font-family: var(--font-display);
  color: var(--white);
  font-size: 1.04rem;
  margin-bottom: 14px;
}

.footer-links {
  display: grid;
  gap: 9px;
  font-size: 0.92rem;
}

.footer-links a:hover {
  color: var(--orange-400);
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.84rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

@media (max-width: 992px) {
  .hero-grid,
  .solutions-grid,
  .plant-grid,
  .reviews-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .topbar {
    display: none;
  }

  .nav-anchor-btn {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 20px 24px 28px;
    gap: 12px;
    border-bottom: 1px solid var(--zinc-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-130%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
  }

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

  .hero-pillars,
  .diff-cards,
  .regions-grid {
    grid-template-columns: 1fr;
  }

  .calc-cta-band {
    padding: 28px 22px;
  }

  .btn-mix-whatsapp,
  .btn-mix-outline {
    width: 100%;
  }
}