/* Header */
header {
  position: fixed;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(227, 231, 239, 0.86);
  width: 100%;
}

.header-content {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  min-height: var(--header-height);
  max-width: 1280px;
  margin: 0 auto;
}

.logo-container a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  cursor: pointer;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 880;
  color: var(--charcoal);
  letter-spacing: -0.03em;
}

.site-nav {
  display: none;
  font-size: 0.875rem;
  font-weight: 720;
}

.site-nav.is-open {
  position: absolute;
  top: 100%;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--border);
  border-radius: 0;
  box-shadow: var(--shadow-md);
}

.site-nav a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.7rem 0.8rem;
  border-radius: var(--radius-xs);
  transition: color 0.16s ease, background 0.16s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  background: var(--fog);
  outline: none;
}

.site-nav a:visited {
  color: var(--text-muted);
}

.site-nav a.is-active {
  color: var(--magenta);
  background: var(--accent-soft);
}

.site-nav a.is-active:visited {
  color: var(--magenta);
}

.menu-toggle {
  width: 44px;
  height: 44px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--charcoal);
  cursor: pointer;
}

.menu-toggle:hover,
.menu-toggle:focus-visible {
  background: var(--fog);
  outline: none;
}

.menu-toggle-line {
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle[aria-expanded="true"] .menu-toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Footer */
footer {
  background: var(--gradient-dark);
  color: white;
  padding: 3rem 0 1.5rem;
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
  display: grid;
  gap: 2rem;
  font-size: 0.875rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: white;
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-section ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
}

.footer-section ul li a:hover {
  color: white;
}

.footer-section ul li a:visited {
  color: rgba(255, 255, 255, 0.7);
}

.footer-section ul li {
  color: rgba(255, 255, 255, 0.7);
}

.footer-copyright {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
  padding: 1.5rem;
}