.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: calc(0.65rem + env(safe-area-inset-top, 0px)) max(0px, env(safe-area-inset-right, 0px)) 0.65rem
    max(0px, env(safe-area-inset-left, 0px));
  transition:
    background var(--dur-2) var(--ease-soft),
    border-color var(--dur-2) var(--ease-soft),
    backdrop-filter var(--dur-2) var(--ease-soft);
}

.site-header.is-solid {
  background: rgba(5, 8, 22, 0.62);
  border-bottom: 1px solid rgba(221, 231, 255, 0.06);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
}

.site-header__inner {
  width: min(var(--max), calc(100% - var(--space-5) * 2));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--c-ink);
  line-height: 0;
  min-width: 0;
  flex-shrink: 1;
}

.brand__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  line-height: 1.05;
}

/* Logo görseli — boyut buradan ayarlanır */
.brand__img {
  display: block;
  height: clamp(22px, 2.1vw, 30px);
  width: auto;
  max-width: min(200px, 46vw);
  object-fit: contain;
}

.site-footer .brand__img {
  height: clamp(24px, 2.3vw, 32px);
  max-width: min(220px, 52vw);
}

@media (max-width: 420px) {
  .brand__img {
    max-width: min(168px, 50vw);
  }

  .site-footer .brand__img {
    max-width: min(180px, 55vw);
  }

  .brand__tag {
    font-size: 0.62rem;
    letter-spacing: 0.12em;
  }
}

/* Önceki site ile aynı: soluk gri, küçük caps etiket */
.brand__tag {
  display: block;
  margin-top: 0.02rem;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--c-ink-faint);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.15rem 1.1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav__list a {
  text-decoration: none;
  font-size: var(--text-sm);
  color: rgba(221, 231, 255, 0.62);
  padding: 0.45rem 0.35rem;
  position: relative;
  transition: color var(--dur-1) var(--ease-out);
}

.nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.15rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(125, 211, 252, 0.75), transparent);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity var(--dur-1) var(--ease-out), transform var(--dur-1) var(--ease-out);
}

.nav__list a:hover,
.nav__list a[aria-current="page"] {
  color: var(--c-mist);
}

.nav__list a:hover::after,
.nav__list a[aria-current="page"]::after {
  opacity: 1;
  transform: translateY(0);
}

.nav__cta {
  margin-left: 0.35rem;
  padding: 0.55rem 0.95rem !important;
  border-radius: 999px;
  border: 1px solid rgba(94, 162, 255, 0.35);
  background: rgba(94, 162, 255, 0.08);
  color: var(--c-mist) !important;
}

.nav__cta::after {
  display: none !important;
}

.nav__cta:hover {
  background: rgba(94, 162, 255, 0.14);
  box-shadow: 0 0 40px rgba(94, 162, 255, 0.12);
}

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-direction: column;
}

.nav__toggle span {
  width: 18px;
  height: 2px;
  background: var(--c-mist);
  border-radius: 2px;
  transition: transform var(--dur-1) var(--ease-out), opacity var(--dur-1) var(--ease-out);
}

.nav__toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

@media (max-width: 1040px) {
  .nav__toggle {
    display: flex;
    flex-shrink: 0;
  }

  .nav__list {
    position: fixed;
    top: calc(var(--header-h) + 10px);
    right: max(var(--space-5), env(safe-area-inset-right, 0px));
    left: max(var(--space-5), env(safe-area-inset-left, 0px));
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem;
    border-radius: var(--r-lg);
    border: 1px solid var(--stroke);
    background: rgba(5, 8, 22, 0.86);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    box-shadow: 0 30px 120px rgba(0, 0, 0, 0.55);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px) scale(0.985);
    transition: opacity var(--dur-1) var(--ease-out), transform var(--dur-1) var(--ease-out);
  }

  .nav__list.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }

  .nav__list li {
    border-bottom: 1px solid rgba(221, 231, 255, 0.06);
  }

  .nav__list li:last-child {
    border-bottom: 0;
  }

  .nav__list a {
    padding: 0.95rem 0.85rem;
  }

  .nav__cta {
    margin: 0.35rem 0.5rem 0.6rem;
    text-align: center;
  }
}

/* Premium footer */
.site-footer {
  position: relative;
  padding-block: var(--space-8) max(var(--space-5), env(safe-area-inset-bottom, 0px));
  overflow: clip;
}

.site-footer__wash {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 520px;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 30%, rgba(94, 162, 255, 0.14), transparent 55%),
    radial-gradient(circle at 80% 20%, rgba(125, 211, 252, 0.1), transparent 55%);
  filter: blur(40px);
  opacity: 0.75;
}

.site-footer__mega {
  position: relative;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.85;
  font-size: clamp(3rem, 8vw, 7.25rem);
  margin: 0 0 var(--space-5);
  color: rgba(221, 231, 255, 0.06);
  user-select: none;
}

.site-footer__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.35fr repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  padding-top: var(--space-2);
}

@media (max-width: 980px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}

.site-footer__lede {
  max-width: 42ch;
  color: var(--c-ink-soft);
  margin: var(--space-2) 0 0;
}

.footer-col h3 {
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-ink-faint);
  margin: 0 0 var(--space-2);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.footer-col a {
  text-decoration: none;
  color: rgba(221, 231, 255, 0.62);
  font-size: var(--text-sm);
  transition: color var(--dur-1) var(--ease-out);
}

.footer-col a:hover {
  color: var(--c-cyan);
}

.site-footer__bottom {
  position: relative;
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.site-footer__legal {
  margin: 0;
  color: rgba(221, 231, 255, 0.38);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  max-width: 70ch;
}