.container {
  max-width: 1280px;
  margin: 0 auto;
  padding-inline: clamp(16px, 3.6vw, 48px);
}

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--donaid-surface-solid, #fff);
  border-bottom: 1px solid var(--donaid-line, #f0f0f0);
  padding: 14px 0;
}

.header-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  width: 100%;
}

.logo {
  height: 50px;
  display: block;
  width: auto;
  object-fit: contain;
  object-position: left center;
}

header nav,
#main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  min-width: 0;
}

header nav a,
#main-nav a {
  font-size: 14px;
  font-weight: 400;
  color: var(--donaid-text, #2a1f04);
  text-decoration: none;
}

header nav a:not(.btn-act):hover,
#main-nav a:not(.btn-act):hover {
  color: var(--donaid-text-hover, #555);
}

.btn-act {
  background: var(--donaid-surface, #f5f5f5);
  color: var(--donaid-text, #2a1f04);
  font-size: 14px;
  font-weight: 400;
  padding: 8px 20px;
  border-radius: 12px;
  border: 0.4px solid var(--donaid-border, #cecece);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  justify-self: end;
}

.btn-act:hover {
  background: var(--donaid-surface-hover, #eee);
}

.site-footer {
  background: var(--donaid-footer-surface, #fafafa);
  padding: 56px 0 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(32px, 4vw, 48px);
  margin-bottom: 48px;
  align-items: start;
}

.footer-logo {
  height: 64px;
  margin-bottom: 16px;
  display: block;
  width: auto;
  object-fit: contain;
  object-position: left center;
}

.footer-mission {
  font-size: 16px;
  color: var(--donaid-text, #2a1f04);
  line-height: 1.5;
  max-width: 280px;
}

.footer-meta {
  margin-top: 16px;
  max-width: 320px;
}

.footer-legal-meta {
  font-size: 14px;
  line-height: 1.5;
  color: var(--donaid-muted, #6b7280);
  margin: 0 0 8px;
}

.footer-project-link {
  display: inline-block;
  font-size: 14px;
  color: var(--donaid-muted, #6b7280);
  text-decoration: none;
}

.footer-project-link:hover {
  color: var(--donaid-text, #2a1f04);
}

.footer-heading {
  font-size: 14px;
  font-weight: 600;
  color: var(--donaid-text, #2a1f04);
  margin-bottom: 12px;
}

.footer-links a {
  display: block;
  font-size: 14px;
  color: var(--donaid-muted, #6b7280);
  text-decoration: none;
  margin-bottom: 8px;
}

.footer-links a:hover {
  color: var(--donaid-text, #2a1f04);
}

.footer-cookie-link {
  display: block;
  width: 100%;
  text-align: left;
  font: inherit;
  font-size: 14px;
  color: var(--donaid-muted, #6b7280);
  background: none;
  border: none;
  padding: 0;
  margin-bottom: 8px;
  cursor: pointer;
}

.footer-cookie-link:hover {
  color: var(--donaid-text, #2a1f04);
}

.footer-copy {
  text-align: center;
  font-size: 13px;
  color: #999;
}

.mobile-nav-close {
  display: none;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  padding: 6px;
  color: var(--donaid-text, #2a1f04);
  cursor: pointer;
}

.mobile-menu-btn:focus-visible,
.btn-act:focus-visible {
  outline: 2px solid var(--donaid-link, #174983);
  outline-offset: 2px;
}

.mobile-act-link {
  display: none !important;
}

body.nav-open,
body.pwa-sheet-open {
  position: fixed;
  inset: 0;
  width: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

@media (max-width: 768px) {
  .desktop-only {
    display: none !important;
  }

  .header-inner {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }

  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-left: auto;
  }

  #main-nav {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 24px;
    padding:
      calc(96px + env(safe-area-inset-top, 0px))
      24px
      calc(32px + env(safe-area-inset-bottom, 0px));
    background: var(--donaid-surface-solid, #fff);
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  #main-nav.open {
    display: flex;
  }

  #main-nav .mobile-nav-close {
    position: absolute;
    top: calc(14px + env(safe-area-inset-top, 0px));
    right: calc(16px + env(safe-area-inset-right, 0px));
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    padding: 10px;
    margin: 0;
    border: none;
    background: transparent;
    color: var(--donaid-text, #2a1f04);
    cursor: pointer;
    pointer-events: auto;
    -webkit-tap-highlight-color: transparent;
  }

  #main-nav .mobile-nav-close:hover {
    color: var(--donaid-text-hover, #555);
  }

  #main-nav .mobile-nav-close:focus-visible {
    outline: 2px solid var(--donaid-link, #174983);
    outline-offset: 2px;
    border-radius: 4px;
  }

  #main-nav a {
    width: 100%;
    max-width: 22rem;
    font-size: clamp(18px, 5vw, 20px);
    text-align: center;
  }

  #main-nav .mobile-act-link {
    display: inline-block !important;
    font-size: 16px;
    padding: 14px 32px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .site-footer {
    padding-bottom: calc(32px + env(safe-area-inset-bottom, 0px));
  }

  body.pwa-teaser-visible {
    padding-bottom: calc(112px + env(safe-area-inset-bottom, 0px));
  }
}

@media (max-width: 480px) {
  #main-nav {
    padding-inline: 20px;
  }

  body.pwa-teaser-visible {
    padding-bottom: calc(104px + env(safe-area-inset-bottom, 0px));
  }
}

html.pwa-hint-dismissed .pwa-bottom-teaser {
  display: none !important;
}

.pwa-bottom-teaser {
  display: none;
}

@media (max-width: 768px) {
  .pwa-bottom-teaser {
    display: flex;
    align-items: center;
    gap: 12px;
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    z-index: 998;
    padding: 12px 16px;
    margin: 0;
    border: 0.5px solid #cecece;
    border-radius: 15px;
    background: #fff;
    box-shadow: 0 8px 28px rgba(42, 31, 4, 0.12);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    text-align: left;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }

  .pwa-bottom-teaser-cluster {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    background: #f5f5f5;
    border-radius: 8px;
    padding: 4px 8px;
    border: 0.5px solid #e5e7eb;
  }

  .pwa-bottom-teaser-cluster img {
    width: 24px;
    height: 24px;
    display: block;
    object-fit: contain;
    border-radius: 5px;
  }

  .pwa-bottom-teaser-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 13px;
    color: #2a1f04;
    line-height: 1.35;
    min-width: 0;
    text-align: left;
  }

  .pwa-bottom-teaser-text strong {
    font-weight: 600;
    font-size: 14px;
  }

  .pwa-bottom-teaser-sub {
    font-weight: 400;
    color: #6b7280;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .pwa-bottom-teaser {
    left: 12px;
    right: 12px;
    gap: 10px;
    padding: 12px 14px;
  }
}

.donaid-pwa-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9990;
  background: rgba(15, 23, 42, 0.45);
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.donaid-pwa-overlay.is-open {
  display: flex;
}

.donaid-pwa-sheet {
  position: relative;
  width: 100%;
  max-width: 480px;
  max-height: min(88vh, 560px);
  overflow: auto;
  background: #fff;
  border-radius: 16px 16px 0 0;
  padding: 20px 22px 24px;
  box-shadow: 0 -8px 40px rgba(15, 23, 42, 0.2);
  box-sizing: border-box;
}

@media (min-width: 480px) {
  .donaid-pwa-overlay {
    align-items: center;
    padding: 24px 16px;
  }

  .donaid-pwa-sheet {
    border-radius: 16px;
  }
}

.donaid-pwa-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  font-size: 26px;
  line-height: 1;
  color: #6b7280;
  cursor: pointer;
  border-radius: 8px;
}

.donaid-pwa-close:hover {
  color: #2a1f04;
  background: #f5f5f5;
}

.donaid-pwa-sheet-icon {
  display: block;
  margin: 8px auto 12px;
  border-radius: 12px;
}

.donaid-pwa-title {
  font-size: 20px;
  font-weight: 600;
  color: #2a1f04;
  text-align: center;
  margin: 0 0 8px;
  line-height: 1.25;
}

.donaid-pwa-lead {
  font-size: 14px;
  line-height: 1.55;
  color: #374151;
  text-align: center;
  margin: 0 0 16px;
}

.donaid-pwa-steps {
  margin: 0 0 16px;
  padding-left: 1.25rem;
  font-size: 14px;
  line-height: 1.55;
  color: #2a1f04;
}

.donaid-pwa-steps li {
  margin-bottom: 8px;
}

.donaid-pwa-generic {
  font-size: 14px;
  line-height: 1.55;
  color: #374151;
  margin: 0 0 16px;
}

.donaid-pwa-install-wrap {
  margin-bottom: 12px;
}

.donaid-pwa-install-btn {
  width: 100%;
  padding: 14px 20px;
  font-size: 15px;
  font-weight: 500;
  font-family: inherit;
  color: #2a1f04;
  background: #f59e0b;
  border: none;
  border-radius: 12px;
  cursor: pointer;
}

.donaid-pwa-install-btn:hover {
  filter: brightness(1.03);
}

.donaid-pwa-actions {
  text-align: center;
}

.donaid-pwa-dismiss {
  margin-top: 4px;
  padding: 10px 16px;
  font-size: 14px;
  font-family: inherit;
  color: #6b7280;
  background: transparent;
  border: none;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.donaid-pwa-dismiss:hover {
  color: #2a1f04;
}