.scb-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(90deg, #041836, #0b2f66);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.scb-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.scb-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.scb-header__logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
  gap: 0.75rem;
}

.scb-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, #f6f7fb 0, #ffffff 40%, #facc15 70%, #fbbf24 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 2px rgba(248, 250, 252, 0.6), 0 6px 14px rgba(0, 0, 0, 0.18);
  position: relative;
}

.scb-header__logo-ball {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #ffffff, #e0e7ff);
  box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.35);
}

.scb-header__site-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.scb-header__site-title {
  font-family: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.92rem;
}

.scb-header__site-tagline {
  font-family: "Nunito Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.78rem;
  color: rgba(241, 245, 249, 0.85);
}

.scb-header__nav {
  margin-left: auto;
}

.scb-header__nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.scb-header__nav-item {
  position: relative;
}

.scb-header__nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-family: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  color: rgba(241, 245, 249, 0.92);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: background-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease, transform 0.12s ease;
}

.scb-header__nav-link:hover,
.scb-header__nav-link:focus-visible {
  color: #0f172a;
  background-color: #facc15;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.08), 0 8px 18px rgba(15, 23, 42, 0.26);
  outline: none;
}

.scb-header__nav-link:active {
  transform: translateY(1px);
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.18);
}

.scb-header__nav-item--highlight .scb-header__nav-link--cta {
  background: linear-gradient(135deg, #facc15, #fbbf24);
  color: #0b1120;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.12), 0 10px 22px rgba(15, 23, 42, 0.45);
}

.scb-header__nav-item--highlight .scb-header__nav-link--cta:hover,
.scb-header__nav-item--highlight .scb-header__nav-link--cta:focus-visible {
  background: linear-gradient(135deg, #fde047, #facc15);
}

.scb-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.85);
  padding: 0;
  cursor: pointer;
  transition: background-color 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, transform 0.1s ease;
}

.scb-header__toggle:hover,
.scb-header__toggle:focus-visible {
  background: rgba(15, 23, 42, 1);
  border-color: #facc15;
  box-shadow: 0 0 0 2px rgba(250, 204, 21, 0.55);
  outline: none;
}

.scb-header__toggle:active {
  transform: translateY(1px);
}

.scb-header__toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: #e5e7eb;
  transition: transform 0.18s ease, opacity 0.18s ease, background-color 0.18s ease;
}

.scb-header__toggle-bar + .scb-header__toggle-bar {
  margin-top: 4px;
}

.scb-header__toggle[aria-expanded="true"] .scb-header__toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

.scb-header__toggle[aria-expanded="true"] .scb-header__toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

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

  .scb-header__site-tagline {
    display: none;
  }

  .scb-header__toggle {
    display: inline-flex;
  }

  .scb-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 56px;
    background: rgba(15, 23, 42, 0.96);
    backdrop-filter: blur(18px);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.22s ease, opacity 0.22s ease, visibility 0.22s ease;
  }

  .scb-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1rem 1.25rem;
  }

  .scb-header__nav-item {
    width: 100%;
  }

  .scb-header__nav-link {
    width: 100%;
    justify-content: flex-start;
    padding: 0.7rem 0.85rem;
  }

  .scb-header__nav--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scb-header,
  .scb-header * {
    scroll-behavior: auto !important;
    transition: none !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

.scb-header__nav-link:focus-visible,
.scb-header__toggle:focus-visible {
  outline: 2px solid #facc15;
  outline-offset: 2px;
}
