.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(16px);
  background: rgba(255, 255, 255, .82);
  border-bottom: 1px solid var(--line);
  font-family: 'Satoshi', system-ui, sans-serif;
}

.site-header__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 13px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--ink);
  flex-shrink: 0;
}

.site-logo__img {
  display: block;
  height: 40px;
  width: auto;
  max-width: min(200px, 42vw);
  object-fit: contain;
  object-position: left center;
  transition: opacity .2s;
}

.site-logo:hover .site-logo__img {
  opacity: .88;
}

.footer-logo {
  display: inline-block;
  margin-bottom: 18px;
  text-decoration: none;
}

.footer-logo__img {
  display: block;
  height: 36px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  object-position: left center;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  text-decoration: none;
  font-size: 14.5px;
  white-space: nowrap;
  transition: color .2s;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
  color: var(--ink2);
  font-weight: 500;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--ink);
}

.nav-link.is-active {
  font-weight: 600;
  border-bottom-color: var(--accent);
}

.btn-teklif {
  background: var(--wa);
  color: #fff;
  padding: 10px 17px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 7px 18px rgba(37, 211, 102, .42);
  transition: transform .28s var(--bounce), box-shadow .28s;
}

.btn-teklif:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 11px 24px rgba(37, 211, 102, .55);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}

.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding: 72px 0 30px;
  font-family: 'Satoshi', system-ui, sans-serif;
  color: var(--ink);
}

.site-footer__grid {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
}

.footer-link {
  font-size: 14.5px;
  color: var(--ink2);
  text-decoration: none;
  transition: color .2s;
}

.footer-link:hover { color: var(--ink); }

.footer-social {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink2);
  text-decoration: none;
  transition: all .2s;
}

.footer-social:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.footer-social--wa:hover {
  color: var(--wa);
  border-color: var(--wa);
}

.site-footer__bottom {
  max-width: 1240px;
  margin: 44px auto 0;
  padding: 22px 28px 0;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.wa-float {
  position: fixed;
  right: max(22px, env(safe-area-inset-right, 0px));
  bottom: max(22px, env(safe-area-inset-bottom, 0px));
  z-index: 60;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--wa);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  animation: floatpulse 2.6s ease-in-out infinite;
  transition: transform .2s;
}

.wa-float:hover { transform: scale(1.07); }