/* Header and Navigation Styles */
header {
  height: 90px;
  padding: 0 40px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header-inner {
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.logo-svg {
  height: 150px;
  width: auto;
  transition: transform .3s ease, filter .3s ease;
  clip-path: inset(20px 0 20px 0);
}

.logo:hover .logo-svg {
  transform: scale(1.05);
  filter: drop-shadow(0 6px 14px rgba(37, 99, 235, 0.35));
}

.logo-blue {
  fill: #1A52B1;
  transition: fill .3s ease;
}

.logo-orange {
  fill: #FA5514;
  transition: fill .3s ease;
}

.logo:hover .logo-blue {
  fill: #2563eb;
}

.logo:hover .logo-orange {
  fill: #fb7c3c;
}

/* Navigation */
.main-nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: #475569;
  font-weight: 500;
  font-size: 15px;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all .3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: linear-gradient(90deg, #2563eb, #60a5fa);
  transition: transform .3s ease;
}

.nav-link:hover {
  color: #2563eb;
  background: rgba(37, 99, 235, 0.08);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-link.active {
  color: #2563eb;
  background: rgba(37, 99, 235, 0.1);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: #2563eb;
  border-radius: 2px;
  transition: all .3s ease;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  header {
    height: 70px;
    padding: 0 20px;
  }

  .logo-svg {
    height: 110px;
    clip-path: inset(18px 0 18px 0);
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(8px);
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    gap: 0;
  }

  .main-nav.active {
    display: flex;
  }

  .nav-link {
    width: 100%;
    text-align: center;
    padding: 12px;
  }

  .mobile-menu-btn {
    display: flex;
  }
}