:root {
  --nav-bg: #fff;
  --nav-text: black;
  --btn-bg: #3A68B1;
  --btn-text: #fff;
  --sidebar-bg: #f8f9fa;
  --sidebar-hover-shadow: 0 0 15px 4px rgba(0, 31, 63, 0.5);
}

body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #fff;
  color: var(--nav-text);
  padding-top: 112px;
}

.mustard-top {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--nav-bg);
  padding: 10px 20px;
  z-index: 1050;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 82px;
}

.btn-menu {
  background: transparent;
  border: none;
  color: var(--nav-text);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
}

.btn-menu:hover {
  color: var(--btn-bg);
}

.mustard-top img {
  max-height: 80px;
  user-select: none;
}

.subnav {
  position: fixed;
  top: 60px;
  left: 0;
  width: 100%;
  background-color: var(--nav-bg);
  color: var(--nav-text);
  padding: 10px 20px;
  z-index: 1049;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 82px;
  box-shadow: none;
  border: none;
}

.social-icons {
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-icons a {
  color: var(--nav-text);
  font-size: 1.3rem;
  text-decoration: none;
  padding: 0 10px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-icons a:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  height: 18px;
  width: 1px;
  background-color: var(--nav-text);
  opacity: 0.3;
  top: 50%;
  transform: translateY(-50%);
}

.social-icons a::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0%;
  height: 2px;
  background-color: var(--nav-text);
  transition: width 0.3s ease;
  transform: translateX(-50%);
  border-radius: 10px;
}

.social-icons a:hover::before {
  width: 100%;
}

.btn-area-cliente {
  background-color: var(--btn-bg);
  color: var(--btn-text);
  border: none;
  padding: 8px 50px;
  font-weight: 100;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  text-decoration: none;
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  user-select: none;
  gap: 4px;
}

.btn-area-cliente:hover {
  background-color: #003366;
  color: var(--btn-text);
  text-decoration: none;
}

.offcanvas-red {
  background-color: var(--sidebar-bg);
  color: var(--nav-text);
  z-index: 20000 !important;
}

.offcanvas-red .nav-link {
  color: var(--nav-text);
  transition: box-shadow 0.3s ease, background-color 0.3s ease;
  border-radius: 6px;
  padding: 8px 12px;
  margin-bottom: 6px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.offcanvas-red .nav-link:hover {
  background-color: #e1e9f8;
  box-shadow: var(--sidebar-hover-shadow);
  color: var(--btn-bg);
  text-decoration: none;
  transform: translateY(-2px);
}

.offcanvas-red .nav-link i {
  color: var(--nav-text);
  font-size: 1.2rem;
  transition: color 0.3s ease;
}

.offcanvas-red .nav-link:hover i {
  color: var(--btn-bg);
}

.offcanvas-red hr {
  border-color: #cbd5e1;
  margin: 8px 0;
}

.offcanvas-red p {
  color: var(--nav-text);
  font-weight: 500;
}

.btn-close {
  filter: invert(28%) sepia(73%) saturate(521%) hue-rotate(176deg) brightness(95%) contrast(91%);
}

.btn-close:hover {
  filter: invert(23%) sepia(83%) saturate(670%) hue-rotate(188deg) brightness(90%) contrast(93%);
}

.main-footer {
  background-color: #fff;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  margin-top: 60px;
  font-size: 0.9rem;
  color: #333;
  width: 100%;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  padding: 2rem 1.5rem;
  flex-wrap: wrap;
}

.footer-column {
  flex: 1;
  min-width: 220px;
  padding: 0 1rem;
  border-right: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-column:last-child {
  border-right: none;
}

.footer-column h4 {
  font-size: 1rem;
  margin-bottom: 0.8rem;
  color: #000;
}

.footer-column p,
.footer-column li,
.footer-column a {
  font-size: 0.85rem;
  line-height: 1.6;
  color: #333;
  text-decoration: none;
}

.footer-column ul {
  list-style: none;
  padding: 0;
}

.footer-column li {
  margin-bottom: 6px;
}

.footer-column a:hover {
  text-decoration: underline;
}

.social-links i {
  margin-right: 8px;
}

.footer-bottom {
  text-align: center;
  padding: 1rem;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  font-size: 0.85rem;
  background-color: #fff;
}

@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
  }

  .footer-column {
    border-right: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
  }

  .footer-column:last-child {
    border-bottom: none;
  }
}

.certificacoes {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-top: 0.5rem;
}

.certificacoes img {
  max-width: 120px;
  width: 100%;
  height: auto;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.certificacoes img:hover {
  transform: scale(1.05);
}

@media (max-width: 768px) {
  .certificacoes {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }

  .certificacoes img {
    max-width: 100px;
  }
}