html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

:root {
  --primary-color: #021782;
  --secondary-color: #3498db;
}

body {
  font-family: 'Raleway', sans-serif;
  color: #333;
  line-height: 1.6;
}

.navbar {
  transition: all 0.3s ease;
}

.glass-nav {
  background: rgba(255, 255, 255, 0.8) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  margin-top: 0;
  border-radius: 0;
  width: 100%;
}

.nav-link {
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--secondary-color) !important;
}

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: #011166;
  border-color: #011166;
}

.text-primary {
  color: var(--primary-color) !important;
}

.transition-all {
  transition: all 0.3s ease;
}

.hover-up:hover {
  transform: translateY(-10px);
}

.card {
  transition: all 0.3s ease;
}

.bg-black {
  background-color: #050505;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(2, 23, 130, 0.1);
}

:root {
  --primary-color: #021782;
  --secondary-color: #3498db;
  --nav-height: 105px;
}

@media (max-width: 767.98px) {
  :root {
    --nav-height: 90px;
  }
}

@media (max-width: 575.98px) {
  :root {
    --nav-height: 80px;
  }
}

.hero-header {
  margin-top: var(--nav-height);
  min-height: 600px;
  height: calc(100vh - var(--nav-height));
  background-size: cover !important;
  background-position: center !important;
  background-repeat: no-repeat !important;
  position: relative;
}

@media (max-width: 767.98px) {
  .hero-header {
    min-height: 450px;
    height: auto;
    padding: 80px 0;
  }
}

.hero-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(rgba(2, 23, 130, 0.8), rgba(2, 23, 130, 0.5));
  z-index: 0;
}

.hero-header > .container {
  position: relative;
  z-index: 1;
}

.nav-logo {
  height: 65px;
  width: auto;
  transition: height 0.3s ease;
}

.hero-logo {
  max-height: 180px;
  width: auto;
  max-width: 100%;
  transition: max-height 0.3s ease;
}

@media (max-width: 767.98px) {
  .nav-logo {
    height: 50px;
  }
}

@media (max-width: 767.98px) {
  .hero-logo {
    max-height: 120px;
  }
}

@media (max-width: 575.98px) {
  .nav-logo {
    height: 40px;
  }
}

@media (max-width: 575.98px) {
  .hero-logo {
    max-height: 100px;
  }
}

.hero-header .btn-light {
  color: var(--primary-color);
  border: 2px solid white;
  transition: all 0.3s ease;
}

.hero-header .btn-light:hover {
  background-color: transparent !important;
  color: white !important;
  border-color: white !important;
}

.hero-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.hero-nav-btn:hover {
  background: white;
  color: var(--primary-color);
  border-color: white;
  transform: translateY(-50%) scale(1.1);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  background: #f8f9fa;
  padding: 4px;
  border-radius: 50px;
  border: 1px solid #dee2e6;
  font-size: 0.75rem;
  font-weight: bold;
}

.lang-switch a, .lang-switch span {
  padding: 4px 10px;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.lang-switch .active {
  background: var(--primary-color);
  color: white !important;
}

.lang-switch a:not(.active) {
  color: #6c757d;
}

.lang-switch a:not(.active):hover {
  color: var(--primary-color);
  background: rgba(2, 23, 130, 0.05);
}

#contact-section .btn-success {
  transition: transform 0.3s ease, background-color 0.3s ease;
}

#contact-section .btn-success:hover {
  transform: scale(1.05);
}

@media (max-width: 575.98px) {
  .hero-nav-btn {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
}

#service-section .card {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    background: white;
    padding: 1.5rem;
    border-radius: 1rem;
    margin-top: 1rem;
    box-shadow: 0 1rem 3rem rgba(0,0,0,0.1);
  }
}