:root {
  --primary-navy: #0b2545;
  --primary-blue: #134074;
  --accent-cyan: #3c91e6;
  --light-bg: #f6f8fb;
  --dark-bg: #071a30;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: #1f2937;
  background-color: #ffffff;
}

.professional-navbar {
  background: linear-gradient(90deg, var(--primary-navy), var(--primary-blue));
}

.navbar .nav-link {
  font-weight: 500;
}

.hero-section {
  min-height: 95vh;
  padding-top: 90px;
  background: linear-gradient(130deg, var(--primary-navy) 0%, var(--primary-blue) 60%, #1d4f87 100%);
}

.hero-card {
  background-color: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.section-light {
  background-color: var(--light-bg);
}

.section-dark {
  background-color: var(--dark-bg);
}

.card-highlight {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  box-shadow: 0 12px 28px rgba(11, 37, 69, 0.08);
}

.metric {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary-blue);
}

.service-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.1);
}

.footer-section {
  background: var(--primary-navy);
}

.contact-list a {
  color: var(--primary-blue);
  font-weight: 600;
  text-decoration: none;
}

.contact-list a:hover {
  text-decoration: underline;
}

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.5px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
  z-index: 1100;
}

.whatsapp-float:hover {
  background: #1ebd5b;
  color: #ffffff;
}

@media (max-width: 991.98px) {
  .hero-section {
    min-height: auto;
    padding-bottom: 70px;
  }
}