.solvieera-header {
  position: sticky;
  top: 0;
  z-index: 50;
}

.solvieera-header-inner {
  padding-block: var(--space-3);
}

.solvieera-brand {
  display: flex;
  align-items: center;
}

.solvieera-logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.solvieera-logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 14px;
  background: conic-gradient(from 180deg, var(--color-primary) 0deg, var(--color-accent-turquoise) 120deg, var(--color-accent-blue) 240deg, var(--color-primary) 360deg);
  box-shadow: var(--shadow-soft);
  position: relative;
}

.solvieera-logo-mark::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 10px;
  background: radial-gradient(circle at 30% 20%, #fff, rgba(255, 255, 255, 0)), rgba(255, 255, 255, 0.3);
}

.solvieera-logo-text {
  color: var(--color-text);
}

/* Primary navigation */

.solvieera-primary-nav {
  margin-left: auto;
}

.solvieera-primary-nav .nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
  margin: 0;
}

.solvieera-primary-nav .nav-item a {
  position: relative;
  padding-block: 0.35rem;
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.solvieera-primary-nav .nav-item a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-turquoise));
  transition: width var(--transition-base);
}

.solvieera-primary-nav .nav-item a:hover::after,
.solvieera-primary-nav .nav-item a:focus-visible::after {
  width: 100%;
}

/* Mobile navigation */

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.9);
  cursor: pointer;
  box-shadow: var(--shadow-soft);
}

.nav-toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle-bar + .nav-toggle-bar {
  margin-top: 4px;
}

@media (min-width: 960px) {
  .nav-toggle {
    display: none;
  }
}

@media (max-width: 959.98px) {
  .solvieera-primary-nav {
    position: fixed;
    inset-inline: 0;
    top: 64px;
    display: block;
    background: linear-gradient(180deg, rgba(255, 250, 247, 0.98), rgba(248, 241, 248, 0.98));
    border-bottom: 1px solid rgba(255, 255, 255, 0.9);
    transform: translateY(-120%);
    transition: transform var(--transition-base);
  }

  .solvieera-primary-nav .nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--space-4) var(--space-6);
    gap: var(--space-3);
  }

  .solvieera-primary-nav.is-open {
    transform: translateY(0);
  }

  body.nav-open {
    overflow: hidden;
  }

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

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

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