.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 22px 16px;
  border-bottom: 1px solid var(--rule);
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand-link {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.brand-dot {
  color: var(--red);
}

/* Layout containers — state/specs/DESIGN_SYSTEM.md §1 */
.container {
  width: 100%;
  margin: 0 auto;
  padding-left: max(24px, env(safe-area-inset-left));
  padding-right: max(24px, env(safe-area-inset-right));
  box-sizing: border-box;
}

.container--narrow {
  max-width: 640px;
}

.container--default {
  max-width: 920px;
}

.container--wide {
  max-width: 1200px;
}

.container--full {
  max-width: none;
}

@media (min-width: 1440px) {
  .container--default {
    max-width: 1000px;
  }
  .container--wide {
    max-width: 1320px;
  }
}

@media (min-width: 1920px) {
  .container--default {
    max-width: 1060px;
  }
  .container--wide {
    max-width: 1440px;
  }
}

/* Ratgeber article reading measure — §2 line length (~680px at 15px) */
.container--default.ratgeber-article-main {
  max-width: 680px;
  padding-top: var(--space-5);
  padding-bottom: var(--space-7);
}

/* PRO vertical rhythm */
main.container.container--default.pro-main,
main.container.container--default.ratgeber-index-main {
  padding-top: var(--space-5);
  padding-bottom: var(--space-7);
}

.btn {
  box-sizing: border-box;
  text-decoration: none;
  cursor: pointer;
}

/* §5.1 Primary button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  min-height: 48px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: #fff;
  background: var(--color-primary);
  box-shadow: 0 2px 8px rgba(204, 0, 0, 0.2);
  transition: background 0.15s ease, transform 0.1s ease;
  cursor: pointer;
  border: none;
  text-decoration: none;
  width: 100%;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-primary:active {
  transform: scale(0.98);
}

@media (min-width: 768px) {
  .btn-primary {
    width: auto;
    min-width: 200px;
  }
}

/* §6 Global header (injected by app-shell.js) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: var(--space-2);
}

.site-header__brand {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-display);
  order: 1;
}

.site-header__nav {
  display: none;
  flex-basis: 100%;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4) 0 var(--space-2);
  order: 3;
}

.site-header__nav.is-open {
  display: flex;
}

.site-header__link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--ink-3);
  text-decoration: none;
  letter-spacing: 0.2px;
  transition: color 0.15s;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.site-header__link:hover {
  color: var(--ink);
}

.site-header__link--pro {
  color: var(--color-primary);
}

.site-header__link.is-active {
  color: var(--ink);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 2px;
}

.site-header__menu {
  font-size: 22px;
  color: var(--ink-2);
  line-height: 1;
  padding: var(--space-2);
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  order: 2;
}

@media (min-width: 768px) {
  .site-header__inner {
    flex-wrap: nowrap;
  }

  .site-header__nav {
    display: flex;
    flex-basis: auto;
    flex-direction: row;
    align-items: center;
    gap: 28px;
    padding: 0;
    order: 2;
  }

  .site-header__nav.is-open {
    display: flex;
  }

  .site-header__menu {
    display: none;
  }
}

/* §7 Global footer — layout per homepage mockup */
.site-footer {
  margin-top: 0;
  padding: 20px 18px;
  border-top: 1px solid #e8e4de;
  background: #fafaf8;
}

.site-footer__inner {
  box-sizing: border-box;
  max-width: 1060px;
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-display, "Playfair Display", Georgia, serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink, #1a1a1a);
}

.footer-brand .brand-dot {
  color: var(--red, #cc0000);
}

.footer-tagline {
  font-size: 11px;
  color: #888;
  line-height: 1.5;
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 12px;
  margin-bottom: 8px;
}

.footer-links a {
  color: var(--ink-3, #666);
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

.footer-copy {
  font-size: 11px;
  color: var(--ink-5, #ccc);
}

.site-footer-sep {
  color: #ccc;
  margin: 0 4px;
}

.site-footer-disclaimer {
  font-style: italic;
  color: #aaa;
}

@media (min-width: 1024px) {
  .site-footer {
    padding: 24px 40px;
  }

  .site-footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
  }

  .footer-tagline {
    margin-bottom: 0;
  }

  .site-footer__right {
    text-align: right;
  }

  .footer-links {
    justify-content: flex-end;
    margin-bottom: 4px;
  }
}

@media (max-width: 600px) {
  .site-footer-sep {
    display: none;
  }

  .site-footer-disclaimer {
    display: block;
    margin-top: 2px;
  }
}

/* §12 Custom 404 — heading/body match §2 */
.container--narrow[style*="text-align: center"] h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text);
}

.container--narrow[style*="text-align: center"] p {
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.section-rule {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.section-rule-text {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--ink-4);
  white-space: nowrap;
}

.section-rule::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4);
}

.btn-red,
.btn-ink {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.1px;
  transition: background 0.15s, transform 0.12s;
}

.btn-red {
  color: #fff;
  background: var(--red);
  box-shadow: 0 2px 12px rgba(204, 0, 0, 0.25);
}

.btn-red:hover {
  background: var(--red-dark);
}

.btn-red:active {
  transform: scale(0.985);
}

.btn-ink {
  color: #fff;
  background: var(--ink);
}

.btn-ink:hover {
  background: #2a2a2a;
}

.btn-ink:active {
  transform: scale(0.985);
}

.muted {
  color: var(--ink-4);
}