/* Shared site header (matches index.html) */

.site-header {
  padding: 24px 40px;
  background: #fff;
}
.site-header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 100%;
  box-sizing: border-box;
}
.main-nav {
  display: block;
}
.main-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 32px;
}
.main-nav-list a {
  color: #222;
  font-family: "Raleway", "HelveticaNeue", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
  font-size: 1.7rem;
  font-weight: 400;
  text-decoration: none;
  display: inline-block;
  padding: 6px 0;
  letter-spacing: 0.02em;
}
.main-nav-list a:hover {
  color: #000;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle-bar {
  display: block;
  width: 26px;
  height: 2px;
  background: #000;
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle.is-active .nav-toggle-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-toggle.is-active .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle.is-active .nav-toggle-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}
@media (max-width: 768px) {
  .site-header {
    padding: 20px 22px;
  }
  .nav-toggle {
    display: flex;
  }
  .main-nav {
    display: none;
    flex-basis: 100%;
    order: 3;
    padding-top: 12px;
    margin-top: 4px;
    border-top: 1px solid #e8ecf0;
  }
  .main-nav.is-open {
    display: block;
  }
  .main-nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .main-nav-list li {
    border-bottom: 1px solid #f0f0f0;
  }
  .main-nav-list li:last-child {
    border-bottom: none;
  }
  .main-nav-list a {
    display: inline-flex;
    align-items: center;
    box-sizing: border-box;
    min-height: 44px;
    padding: 14px 4px;
    font-size: 1.65rem;
  }
}
.header-logo {
  font-family: "Raleway", "HelveticaNeue", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: #000;
  letter-spacing: 0.03em;
  line-height: 1.2;
  text-decoration: none;
  display: inline-block;
}
.header-logo:hover,
.header-logo:focus {
  color: #000;
  text-decoration: none;
  opacity: 0.85;
}