#nav-placeholder {
  min-height: 76px;
  contain: layout;
}

#footer-placeholder {
  min-height: 400px;
  contain: layout;
}

nav, header {
  position: sticky;
  top: 0;
  z-index: 1000;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background:
    linear-gradient(90deg, rgba(7, 10, 23, 0.96), rgba(11, 22, 48, 0.94)),
    radial-gradient(circle at 12% 50%, rgba(255, 72, 58, 0.22), transparent 36%);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.32);
}

.nav-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  text-decoration: none;
}

.brand-logo {
  width: 168px;
  height: auto;
  display: block;
  filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.42));
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex: 1 1 auto;
}

.desktop-nav a,
.mobile-menu a {
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.desktop-nav a {
  position: relative;
  padding: 10px 13px;
  border-radius: 999px;
  color: var(--color-text-muted);
  font-size: 0.94rem;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
  outline: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.nav-cta,
.mobile-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--color-accent), #ff9f1c 52%, var(--color-primary));
  color: var(--color-btn-text);
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 12px 30px rgba(255, 72, 58, 0.28);
}

.nav-cta {
  padding: 0 20px;
  white-space: nowrap;
}

.nav-cta:hover,
.nav-cta:focus-visible,
.mobile-cta:hover,
.mobile-cta:focus-visible {
  transform: translateY(-1px);
  outline: 2px solid rgba(255, 255, 255, 0.7);
  outline-offset: 3px;
}

.burger-btn {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
  padding: 11px;
}

.burger-btn span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  background: var(--color-text);
  border-radius: 999px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.burger-btn.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger-btn.is-open span:nth-child(2) {
  opacity: 0;
}

.burger-btn.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 76px 0 auto 0;
  background: rgba(7, 10, 23, 0.98);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 44px rgba(0, 0, 0, 0.42);
}

.mobile-menu.is-open {
  display: block;
}

.mobile-menu-inner {
  display: grid;
  gap: 8px;
  padding-top: 18px;
  padding-bottom: 22px;
  max-height: calc(100vh - 76px);
  overflow-y: auto;
}

.mobile-menu a {
  color: var(--color-text);
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
}

.mobile-menu .mobile-cta {
  margin-top: 6px;
  color: var(--color-btn-text);
  background: linear-gradient(135deg, var(--color-accent), #ff9f1c 52%, var(--color-primary));
}

.nav-placeholder-note,
.footer-placeholder-note {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

@media (max-width: 980px) {
  .desktop-nav,
  .nav-cta {
    display: none;
  }

  .burger-btn {
    display: inline-block;
  }

  .brand-logo {
    width: 146px;
  }
}

@media (max-width: 420px) {
  #nav-placeholder,
  .nav-inner {
    min-height: 68px;
  }

  .mobile-menu {
    inset: 68px 0 auto 0;
  }

  .mobile-menu-inner {
    max-height: calc(100vh - 68px);
  }

  .brand-logo {
    width: 132px;
  }
}

.site-footer {
  background: #060817;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 56px 0;
  color: var(--color-text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.8fr 0.95fr 0.95fr;
  gap: 34px;
  align-items: start;
}

.footer-logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  margin-bottom: 16px;
}

.footer-logo {
  width: 190px;
  height: auto;
  display: block;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.5));
}

.footer-text,
.footer-small-text {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin: 0;
}

.footer-text {
  max-width: 420px;
}

.footer-age-badge {
  width: 58px;
  height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 22px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.78);
  color: var(--color-text);
  font-weight: 900;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 0 0 4px rgba(255, 72, 58, 0.35);
}

.footer-column h2 {
  margin: 0 0 14px;
  color: var(--color-text);
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.footer-column a {
  display: block;
  width: fit-content;
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 750;
  line-height: 1.55;
  padding: 5px 0;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-column a:hover,
.footer-column a:focus-visible {
  color: var(--color-primary);
  transform: translateX(2px);
  outline: none;
}

.footer-small-text {
  margin-top: 14px;
  font-size: 0.92rem;
}

.footer-responsibility {
  margin-top: 42px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-responsibility-title {
  color: var(--color-text);
  margin: 0 0 16px;
  font-weight: 850;
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.footer-badges img {
  width: 150px;
  height: 45px;
  object-fit: contain;
  padding: 9px 12px;
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.footer-bottom p {
  margin: 0;
}

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

  .footer-brand-block {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .site-footer {
    padding: 44px 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .footer-logo {
    width: 158px;
  }

  .footer-badges {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .footer-badges img {
    width: 100%;
  }
}