.site-header {
  background: var(--color-ink);
  color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}
.site-header__logo-text {
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
}
.site-header__logo {
  display: inline-flex;
  align-items: center;
}
.site-header__logo img.custom-logo {
  /* Logonun "pro" kısmı lacivert renkte - koyu header zemininde
     görünür olması için beyaz bir "chip" arka planı ekleniyor. */
  max-height: 40px;
  width: auto;
  background: var(--color-white);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
}
.site-header__toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: var(--space-2);
}
.site-header__toggle-bar {
  width: 22px;
  height: 2px;
  background: var(--color-white);
}
.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.site-nav__list a {
  color: var(--color-white);
  text-decoration: none;
  font-weight: 500;
}
.site-nav__list a:hover { color: var(--color-accent); }
.site-nav__portal-btn a {
  background: var(--color-accent);
  color: var(--color-ink);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.site-nav__list li { position: relative; }
.site-nav__list ul {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-ink);
  min-width: 220px;
  padding: var(--space-2) 0;
  border-radius: var(--radius-sm);
}
.site-nav__list li:hover > ul,
.site-nav__list li:focus-within > ul { display: block; }
.site-nav__list ul a { display: block; padding: var(--space-2) var(--space-3); }

.site-footer {
  background: var(--color-canvas);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-7);
}
.site-footer__inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  padding: var(--space-6) var(--space-4);
}
.site-footer__list a { color: var(--color-ink); text-decoration: none; }
.site-footer__bottom {
  border-top: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  font-size: 0.875rem;
  color: var(--color-ink-light);
}

@media (max-width: 782px) {
  .site-header__inner { flex-wrap: wrap; }
  .site-header__toggle { display: flex; }
  .site-nav {
    display: none;
    width: 100%;
    order: 3;
  }
  .site-nav.is-open { display: block; }
  .site-nav__list { flex-direction: column; align-items: flex-start; gap: 0; }
  .site-nav__list ul { position: static; display: block; }
  .site-footer__inner { grid-template-columns: 1fr; }
}