:root {
  --primary: #17345f;
  --primary-dark: #0f2340;
  --accent: #f18825;
  --accent-dark: #d86d09;
  --text: #17212f;
  --muted: #607085;
  --light: #f5f7fb;
  --white: #ffffff;
  --border: #dbe3ee;
  --shadow: 0 18px 48px rgba(16, 36, 64, 0.12);
  --radius: 22px;
  --header-height: 84px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: #fff;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(219, 227, 238, 0.8);
}
.nav-wrap {
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}
.brand img { height: 56px; }
.main-nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.main-nav a {
  color: var(--primary-dark);
  font-weight: 600;
  font-size: 0.95rem;
}
.main-nav a:hover { color: var(--accent-dark); }
.menu-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--primary);
  margin: 4px 0;
  border-radius: 999px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: 0.25s ease;
}
.btn-header, .btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 12px 28px rgba(241, 136, 37, 0.28);
}
.btn-header:hover, .btn-primary:hover { background: var(--accent-dark); }
.btn-secondary {
  border: 1px solid rgba(255,255,255,0.22);
  color: var(--white);
  background: rgba(255,255,255,0.08);
}
.btn-secondary:hover { background: rgba(255,255,255,0.16); }
.btn-light {
  background: var(--white);
  color: var(--primary);
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  background: url('../img/hero-bg.jpg') center/cover no-repeat;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(10, 24, 44, 0.9) 18%, rgba(17, 46, 83, 0.78) 52%, rgba(241, 136, 37, 0.35) 100%);
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 38px;
  align-items: center;
  padding: 72px 0;
}
.hero-content { color: var(--white); }
.tag {
  display: inline-flex;
  background: rgba(255,255,255,0.12);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}
.hero-content h1 {
  margin: 0 0 16px;
  font-size: clamp(2.3rem, 5vw, 4.2rem);
  line-height: 1.05;
}
.hero-content p {
  margin: 0;
  max-width: 680px;
  color: rgba(255,255,255,0.88);
  font-size: 1.1rem;
  line-height: 1.7;
}
.hero-highlights {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.highlight-box {
  padding: 18px;
  background: rgba(255,255,255,0.09);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 18px;
}
.highlight-box strong {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 6px;
}
.highlight-box span { color: rgba(255,255,255,0.86); }
.hero-actions {
  margin-top: 30px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.form-card {
  background: rgba(255,255,255,0.98);
  padding: 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.form-card h3 {
  margin: 0 0 8px;
  color: var(--primary-dark);
  font-size: 1.75rem;
}
.form-card > p {
  margin: 0 0 22px;
  color: var(--muted);
  line-height: 1.6;
}
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-dark);
}
.form-group input,
.form-group textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  min-height: 54px;
  padding: 0 16px;
  font: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group textarea {
  min-height: 130px;
  resize: vertical;
  padding: 14px 16px;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(241, 136, 37, 0.14);
}
.field-tip {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.8rem;
}
.btn-submit {
  width: 100%;
  border: 0;
  border-radius: 14px;
  min-height: 56px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 12px 32px rgba(241, 136, 37, 0.3);
}
.btn-submit:disabled { opacity: 0.75; cursor: wait; }
.form-privacy,
.form-feedback {
  margin: 12px 0 0;
  font-size: 0.9rem;
  line-height: 1.6;
}
.form-feedback { font-weight: 700; color: var(--primary); }
.form-feedback.error { color: #b42318; }
.form-feedback.success { color: #067647; }

.stats-strip {
  background: var(--primary);
  color: var(--white);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 22px 0;
}
.stat-item {
  padding: 14px 18px;
  border-right: 1px solid rgba(255,255,255,0.18);
}
.stat-item:last-child { border-right: 0; }
.stat-item strong { display: block; margin-bottom: 4px; font-size: 1.08rem; }
.stat-item span { color: rgba(255,255,255,0.82); }

.section { padding: 26px 0; }
.section-alt { background: var(--light); }
.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}
.section-heading .tag {
  background: rgba(23, 52, 95, 0.08);
  border-color: rgba(23, 52, 95, 0.08);
  color: var(--primary);
}
.section-heading h2 {
  margin: 0 0 12px;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.15;
}
.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.7;
}
.cards-grid {
  display: grid;
  gap: 22px;
}
.cards-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cards-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.info-card,
.product-card,
.value-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 24px;
  box-shadow: 0 10px 24px rgba(16, 36, 64, 0.06);
}
.icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: rgba(241, 136, 37, 0.12);
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.info-card h3,
.product-card h3,
.value-card h3 {
  margin: 0 0 10px;
  font-size: 1.18rem;
  color: var(--primary-dark);
}
.info-card p,
.product-card p,
.value-card p {
  margin: 0;
  line-height: 1.7;
  color: var(--muted);
}
.product-card a {
  display: inline-flex;
  margin-top: 16px;
  color: var(--accent-dark);
  font-weight: 800;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
  align-items: center;
}
.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 26px;
  box-shadow: var(--shadow);
}
.about-content .tag {
  background: rgba(23, 52, 95, 0.08);
  border-color: rgba(23, 52, 95, 0.08);
  color: var(--primary);
}
.about-content h2 {
  margin: 0 0 12px;
  font-size: clamp(1.9rem, 3.5vw, 3rem);
  line-height: 1.15;
}
.about-content p {
  color: var(--muted);
  line-height: 1.8;
  margin: 0 0 16px;
}
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white);
}
.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.tag-light {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.16);
  color: var(--white);
}
.cta-box h2 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 3.8vw, 2.9rem);
}
.cta-box p { margin: 0; color: rgba(255,255,255,0.85); }

.site-footer {
  background: #0e1c34;
  color: rgba(255,255,255,0.84);
  padding: 54px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 0.7fr;
  gap: 24px;
}
.footer-logo { height: 54px; margin-bottom: 16px; }
.site-footer h4 { color: var(--white); margin: 0 0 12px; }
.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.site-footer a { color: rgba(255,255,255,0.84); }
.site-footer a:hover { color: var(--white); }

@media (max-width: 1080px) {
  .hero-grid,
  .about-grid,
  .cards-grid.four,
  .cards-grid.three,
  .footer-grid,
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .nav-wrap {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }
  .menu-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: calc(var(--header-height) - 2px);
    left: 16px;
    right: 16px;
    flex-direction: column;
    background: var(--white);
    padding: 16px;
    border-radius: 18px;
    box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .btn-header { display: none; }
  .hero-grid,
  .about-grid,
  .cards-grid.four,
  .cards-grid.three,
  .product-grid,
  .stats-grid,
  .footer-grid,
  .cta-box {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-highlights { grid-template-columns: 1fr 1fr; }
  .section { padding: 72px 0; }
}

@media (max-width: 560px) {
  :root { --header-height: 76px; }
  .brand img { height: 46px; }
  .container { width: min(100% - 22px, 1180px); }
  .hero-grid { padding: 52px 0; }
  .hero-highlights { grid-template-columns: 1fr; }
  .form-card { padding: 22px 18px; }
  .section-heading { margin-bottom: 28px; }
  .stat-item { border-right: 0; padding-inline: 0; }
}
.produto-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 10px;
}

.video-container {
  position: relative;
  overflow: hidden;
}

.btn-expandir {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: rgba(23, 52, 95, 0.8);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 10px 18px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-expandir:hover {
  background: var(--accent); 
  transform: scale(1.05);
}

.btn-expandir .icon {
  font-size: 1.2rem;
}