/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--border-light);
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(20px);
}

.header-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}

.logo svg {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
}

.logo-img {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
  object-fit: contain;
}

nav.desktop {
  display: none;
  flex-direction: row;
  align-items: center;
  gap: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-light);
}

nav.desktop a {
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.2s;
}

nav.desktop a:hover {
  color: var(--text);
}

nav.desktop a.active {
  color: var(--primary);
}

nav.desktop a.active::after {
  content: '';
  position: absolute;
  bottom: -0.25rem;
  left: 0;
  height: 2px;
  width: 100%;
  background: var(--accent);
  border-radius: 999px;
}

nav.mobile {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  border-top: 1px solid var(--border-light);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-light);
}

nav.mobile a {
  transition: color 0.2s;
}

nav.mobile a:hover {
  color: var(--text);
}

nav.mobile a.active {
  color: var(--primary);
  font-weight: 700;
}

/* Main */
main {
  flex: 1;
}

/* Footer */
footer {
  padding: var(--spacing-2xl) var(--spacing-lg);
  color: rgba(255,255,255,0.6);
  background: #0D0D0D;
}

.footer-grid {
  max-width: 80rem;
  margin: 0 auto;
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
}

.footer-col {
  display: flex;
  flex-direction: column;
}

.footer-col .logo {
  margin-bottom: var(--spacing-sm);
}

.footer-col .logo span {
  color: white;
}

.footer-col .logo .logo-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0.25rem;
  background: white;
  border-radius: 0.6rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.35);
  flex-shrink: 0;
}

.footer-col .logo .logo-chip img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.footer-desc {
  max-width: 15rem;
  margin-top: var(--spacing-sm);
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
}

.footer-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: white;
  margin-bottom: var(--spacing-sm);
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
}

.footer-nav a {
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: white;
}

.footer-divider {
  max-width: 80rem;
  margin: 2.5rem auto 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
}