.site-header {
  padding-top: 1rem;
}

.site-nav {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: nowrap;
  padding: 0.5rem;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(17, 32, 51, 0.12);
  border-radius: 999px;
  box-shadow: 0 10px 26px rgba(17, 32, 51, 0.08);
  backdrop-filter: blur(10px);
}

.site-nav-links {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex: 1 1 auto;
  min-width: 0;
}

.site-nav a,
.nav-toggle,
.dropdown-toggle,
.lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.45rem 0.8rem;
  background: transparent;
  line-height: 1;
}

.site-nav a:hover,
.nav-toggle:hover,
.dropdown-toggle:hover,
.lang-btn:hover,
.site-nav a:focus-visible,
.nav-toggle:focus-visible,
.dropdown-toggle:focus-visible,
.lang-btn:focus-visible {
  background: rgba(11, 114, 208, 0.1);
  border-color: rgba(11, 114, 208, 0.38);
  color: var(--accent-strong);
}

.nav-toggle {
  display: none;
  cursor: pointer;
  background: rgba(11, 114, 208, 0.08);
}

.dropdown {
  position: relative;
}

.dropdown::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 0.4rem;
}

.dropdown-toggle {
  cursor: pointer;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  min-width: 180px;
  display: none;
  padding: 0.35rem;
  border-radius: 12px;
  border: 1px solid rgba(17, 32, 51, 0.12);
  background: #ffffff;
  box-shadow: var(--shadow);
  z-index: 20;
}

.dropdown.open .dropdown-menu {
  display: block;
}

.dropdown-menu a {
  display: block;
  border-radius: 8px;
}

.lang-switch {
  margin-left: auto;
  display: inline-flex;
  gap: 0.25rem;
  padding: 0.18rem;
  border-radius: 999px;
  border: 1px solid rgba(17, 32, 51, 0.12);
  background: rgba(11, 114, 208, 0.06);
}

.lang-btn[aria-pressed="true"] {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: 12px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.72rem 1.05rem;
  min-height: 44px;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #20a1d9 100%);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(11, 114, 208, 0.32);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
  border-color: rgba(17, 32, 51, 0.18);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(17, 32, 51, 0.3);
  color: var(--text);
}

.btn-disabled,
.btn:disabled {
  background: rgba(148, 163, 184, 0.24);
  border-color: rgba(148, 163, 184, 0.45);
  color: #64748b;
  box-shadow: none;
  cursor: not-allowed;
  pointer-events: none;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(17, 32, 51, 0.18);
  background: rgba(255, 255, 255, 0.8);
  color: var(--text);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 42px;
}

.chip.is-active,
.chip[aria-pressed="true"] {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.card {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(17, 32, 51, 0.12);
  border-radius: var(--radius-md);
  padding: clamp(1rem, 2vw, 1.4rem);
  box-shadow: var(--shadow);
}

.card-muted {
  background: var(--bg-elevated);
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid rgba(17, 32, 51, 0.16);
  background: rgba(11, 114, 208, 0.1);
  color: var(--accent-strong);
  padding: 0.24rem 0.58rem;
  font-size: 0.75rem;
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid rgba(17, 32, 51, 0.13);
  margin-top: 2rem;
}

.site-footer .container {
  padding: 1.5rem 0 2rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .site-nav {
    border-radius: 18px;
    align-items: stretch;
    flex-wrap: wrap;
  }

  .site-nav a,
  .dropdown-toggle,
  .lang-btn {
    width: 100%;
    justify-content: flex-start;
    min-height: 44px;
    line-height: 1.15;
  }

  .nav-toggle {
    display: inline-flex;
    width: 100%;
    min-height: 44px;
  }

  html:not(.js) .nav-toggle {
    display: none;
  }

  .site-nav-links {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-top: 0.3rem;
  }

  .js .site-nav-links {
    display: none;
  }

  .js .site-nav.is-open .site-nav-links {
    display: flex;
  }

  .dropdown {
    width: 100%;
  }

  .dropdown::after {
    display: none;
  }

  .lang-switch {
    width: 100%;
    margin-left: 0;
    justify-content: center;
  }

  .lang-switch .lang-btn {
    width: auto;
    flex: 1 1 0;
    justify-content: center;
  }

  .dropdown-menu {
    position: static;
    margin-top: 0.45rem;
    width: 100%;
    min-width: 0;
  }

  .btn-row {
    width: 100%;
    gap: 0.6rem;
  }

  .btn-row .btn {
    flex: 1 1 100%;
  }

  .chip-row {
    gap: 0.5rem;
  }
}