/**
 * Shared sticky site header (index, studios directory, studio detail).
 * Mobile: stack logo + links; 44px min tap targets; fluid horizontal padding.
 */

header.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--n0, #ffffff);
  border-bottom: 1px solid var(--n200, #e5e5ea);
}

header.nav > .wrap.nav-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-12, 12px) var(--space-16, 16px);
  min-height: 56px;
  max-width: 1120px;
  margin-inline: auto;
  width: 100%;
  padding-inline: clamp(16px, 4vw, 24px);
  box-sizing: border-box;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  line-height: 0;
  flex-shrink: 0;
  text-decoration: none;
  color: inherit;
}

.logo-link:hover {
  text-decoration: none;
  opacity: 0.92;
}

.logo-link:focus-visible {
  outline: 2px solid var(--purple, #6a00f4);
  outline-offset: 4px;
  border-radius: 8px;
}

.logo-img {
  height: 32px;
  width: auto;
  max-width: min(220px, 48vw);
  display: block;
  object-fit: contain;
}

@media (min-width: 640px) {
  .logo-img {
    height: 36px;
    max-width: min(240px, 52vw);
  }
}

.nav-end {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-8, 8px) var(--space-12, 12px);
  margin-left: auto;
  min-width: 0;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-12, 12px) var(--space-16, 16px);
  font-size: 0.875rem;
  font-weight: 500;
  min-width: 0;
}

.nav-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  color: var(--n700, #2c2c2e);
  text-decoration: none;
  transition:
    color 0.15s ease,
    background-color 0.15s ease;
}

.nav-social:hover {
  color: var(--purple, #6a00f4);
  background: var(--muted-purple, #e2d7ff);
  text-decoration: none;
}

.nav-social:focus-visible {
  outline: 2px solid var(--purple, #6a00f4);
  outline-offset: 2px;
}

.nav-social__icon {
  display: block;
}

.site-footer-social {
  color: var(--purple, #6a00f4);
  font-weight: 500;
  text-decoration: none;
}

.site-footer-social:hover {
  text-decoration: underline;
}

.nav-links a {
  color: var(--n700, #2c2c2e);
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--n900, #0a0a0a);
  text-decoration: underline;
}

.nav-links a[aria-current="page"] {
  color: var(--n900, #0a0a0a);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 639px) {
  header.nav > .wrap.nav-inner {
    flex-direction: column;
    align-items: stretch;
    min-height: unset;
    padding-block: 10px;
    gap: 10px;
  }

  header.nav .logo-link {
    align-self: flex-start;
  }

  header.nav .nav-end {
    width: 100%;
    justify-content: space-between;
  }

  header.nav .nav-links {
    flex: 1;
    justify-content: flex-start;
    gap: 4px 12px;
    row-gap: 4px;
  }

  header.nav .nav-links a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding-inline: 0;
    padding-block: 4px;
  }

  header.nav .logo-img {
    height: 28px;
    max-width: min(200px, 72vw);
  }
}

@media (min-width: 640px) {
  header.nav > .wrap.nav-inner {
    flex-direction: row;
    flex-wrap: nowrap;
    padding-block: 0;
  }

  header.nav .nav-end {
    flex-wrap: nowrap;
    width: auto;
  }

  header.nav .nav-links {
    flex-wrap: nowrap;
    width: auto;
    justify-content: flex-end;
  }

  header.nav .nav-links a {
    min-height: unset;
    padding: 0;
  }
}