.cdk-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #ffffff;
  border-bottom: 1px solid rgba(15, 52, 96, 0.08);
  backdrop-filter: blur(10px);
}

.cdk-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cdk-header__branding {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.cdk-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: #0f345f;
}

.cdk-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, #1c72d8, #0f345f);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
}

.cdk-header__site-name {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.cdk-header__nav {
  display: flex;
  align-items: center;
}

.cdk-header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.cdk-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: #153b66;
  text-decoration: none;
  transition: color 0.18s ease;
}

.cdk-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #1c72d8, #35b8ff);
  transition: width 0.18s ease;
}

.cdk-header__nav-link:hover,
.cdk-header__nav-link:focus-visible {
  color: #1c72d8;
}

.cdk-header__nav-link:hover::after,
.cdk-header__nav-link:focus-visible::after {
  width: 100%;
}

.cdk-header__nav-item--cta .cdk-header__nav-link--cta {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(12, 106, 230, 0.3);
  background: linear-gradient(135deg, #1c72d8, #0f58b3);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(15, 88, 179, 0.25);
}

.cdk-header__nav-item--cta .cdk-header__nav-link--cta::after {
  display: none;
}

.cdk-header__nav-item--cta .cdk-header__nav-link--cta:hover,
.cdk-header__nav-item--cta .cdk-header__nav-link--cta:focus-visible {
  background: linear-gradient(135deg, #1f7ef0, #0f4b96);
  border-color: rgba(12, 106, 230, 0.6);
}

.cdk-header__toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(21, 59, 102, 0.16);
  background-color: #f4f7fb;
  padding: 0;
  cursor: pointer;
}

.cdk-header__toggle:focus-visible {
  outline: 2px solid #1c72d8;
  outline-offset: 3px;
}

.cdk-header__toggle-bar {
  position: absolute;
  left: 9px;
  right: 9px;
  height: 2px;
  border-radius: 999px;
  background-color: #153b66;
  transition: transform 0.2s ease, opacity 0.2s ease, top 0.2s ease, bottom 0.2s ease;
}

.cdk-header__toggle-bar:nth-child(1) {
  top: 11px;
}

.cdk-header__toggle-bar:nth-child(2) {
  top: 16px;
}

.cdk-header__toggle-bar:nth-child(3) {
  bottom: 11px;
}

.cdk-header__toggle[aria-expanded="true"] .cdk-header__toggle-bar:nth-child(1) {
  top: 17px;
  transform: rotate(45deg);
}

.cdk-header__toggle[aria-expanded="true"] .cdk-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.cdk-header__toggle[aria-expanded="true"] .cdk-header__toggle-bar:nth-child(3) {
  top: 17px;
  transform: rotate(-45deg);
}

@media (max-width: 768px) {
  .cdk-header__inner {
    padding-inline: 1rem;
  }

  .cdk-header__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .cdk-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background-color: #ffffff;
    border-bottom: 1px solid rgba(15, 52, 96, 0.06);
    box-shadow: 0 14px 35px rgba(8, 24, 46, 0.12);
  }

  .cdk-header__nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem 1rem 1rem;
    gap: 0.15rem;
  }

  .cdk-header__nav-list.is-open {
    display: flex;
  }

  .cdk-header__nav-link {
    padding: 0.55rem 0.25rem;
  }

  .cdk-header__nav-item--cta .cdk-header__nav-link--cta {
    width: 100%;
    justify-content: center;
    margin-top: 0.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cdk-header__toggle-bar,
  .cdk-header__nav-link::after {
    transition: none;
  }
}