.sn-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(209, 213, 219, 0.6);
}

.sn-header__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.sn-header__brand {
  display: flex;
  align-items: center;
}

.sn-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.sn-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #e9ebff 0, #c5d3ff 38%, #b4c4ff 55%, #a8b5ff 72%, #9ca3ff 100%);
  box-shadow: 0 8px 18px rgba(31, 41, 55, 0.18);
}

.sn-header__logo-text {
  font-family: "Cormorant Garamond", "Times New Roman", serif;
  font-size: 1.4rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #111827;
}

.sn-header__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.24rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: rgba(255, 255, 255, 0.9);
  cursor: pointer;
  padding: 0;
}

.sn-header__toggle-bar {
  width: 1.3rem;
  height: 2px;
  border-radius: 999px;
  background-color: #111827;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.sn-header__toggle:focus-visible {
  outline: 2px solid #4b74ff;
  outline-offset: 2px;
}

.sn-header__nav {
  display: none;
}

.sn-header__nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0;
  margin: 1rem 0 0;
}

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

.sn-header__nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0;
  font-family: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.94rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: #111827;
}

.sn-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.2rem;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, #9ca3ff, #a855f7);
  transition: width 0.18s ease;
}

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

.sn-header__nav-link:focus-visible {
  outline: 2px solid #4b74ff;
  outline-offset: 2px;
}

.sn-header__cta {
  margin-top: 1rem;
}

.sn-header__cta-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 1.3rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.8);
  background: linear-gradient(135deg, #f5f7ff 0%, #eef2ff 50%, #f9fafb 100%);
  color: #111827;
  font-family: "DM Sans", system-ui, sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}

.sn-header__cta-link:hover {
  border-color: #a5b4fc;
  box-shadow: 0 10px 26px rgba(148, 163, 184, 0.35);
}

.sn-header__cta-link:focus-visible {
  outline: 2px solid #4b74ff;
  outline-offset: 2px;
}

.sn-header__nav--open {
  display: block;
  position: absolute;
  inset-inline: 0;
  top: 100%;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(209, 213, 219, 0.7);
  padding: 0 1.25rem 1.25rem;
}

.sn-header__toggle[aria-expanded="true"] .sn-header__toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(42deg);
}

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

.sn-header__toggle[aria-expanded="true"] .sn-header__toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-42deg);
}

@media (min-width: 768px) {
  .sn-header__inner {
    padding-block: 0.75rem;
  }

  .sn-header__toggle {
    display: none;
  }

  .sn-header__nav {
    display: flex !important;
    align-items: center;
    justify-content: flex-end;
    gap: 1.75rem;
    position: static;
    background: transparent;
    border: 0;
    padding: 0;
  }

  .sn-header__nav-list {
    flex-direction: row;
    align-items: center;
    gap: 1.5rem;
    margin: 0;
  }

  .sn-header__nav-link {
    font-size: 0.9rem;
  }

  .sn-header__cta {
    margin-top: 0;
  }
}

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