:root {
  --gnosi-shell-width: 1100px;
  --gnosi-shell-height: 66px;
  --gnosi-shell-bg: #f6f3ec;
  --gnosi-shell-accent: #e7dcc8;
  --gnosi-shell-card: #fffdf8;
  --gnosi-shell-ink: #1e293b;
  --gnosi-shell-muted: #64748b;
  --gnosi-shell-line: #d6c9b3;
  --gnosi-shell-primary: #3b82f6;
  --gnosi-shell-font: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", serif;
}

.navbar {
  background: rgb(246 243 236 / 96%);
  border-bottom: 1px solid var(--gnosi-shell-line);
  color: var(--gnosi-shell-ink);
  font-family: var(--gnosi-shell-font);
  min-height: var(--gnosi-shell-height);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  align-items: center;
  display: grid;
  gap: 20px;
  grid-template-columns: auto minmax(0, 1fr) auto;
  margin: 0 auto;
  max-width: var(--gnosi-shell-width);
  min-height: var(--gnosi-shell-height);
  padding: 0 24px;
}

.navbar a,
.gnosi-shell-footer a {
  color: inherit;
  text-decoration: none;
}

.navbar .brand,
.gnosi-shell-footer .brand {
  align-items: center;
  display: inline-flex;
  gap: 10px;
  min-height: 44px;
}

.navbar .brand-logo,
.gnosi-shell-footer .brand-logo {
  align-items: center;
  background: linear-gradient(135deg, #0066ff, #00d4ff);
  border-radius: 9px;
  box-shadow: 0 4px 12px rgb(0 102 255 / 30%);
  color: #fff;
  display: inline-flex;
  flex: 0 0 auto;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 20px;
  font-weight: 800;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.navbar .logo,
.gnosi-shell-footer .logo {
  color: var(--gnosi-shell-ink);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
}

.nav-links {
  align-items: center;
  display: flex;
  gap: clamp(10px, 1.5vw, 24px);
  justify-content: center;
  min-width: 0;
}

.nav-links a {
  align-items: center;
  border-bottom: 2px solid transparent;
  color: var(--gnosi-shell-muted);
  display: inline-flex;
  flex: 0 0 auto;
  font-size: 14px;
  font-weight: 600;
  min-height: 44px;
  padding: 2px 0 0;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a.active,
.nav-links a[aria-current="page"] {
  color: var(--gnosi-shell-primary);
}

.nav-links a.active,
.nav-links a[aria-current="page"] {
  border-bottom-color: var(--gnosi-shell-primary);
}

.lang-switch {
  align-items: center;
  display: flex;
  flex: 0 0 auto;
  gap: 4px;
}

.lang-switch > a,
.lang-switch > span {
  align-items: center;
  border-radius: 6px;
  color: var(--gnosi-shell-muted);
  display: inline-flex;
  font-family: var(--gnosi-shell-font);
  font-size: 12px;
  font-weight: 700;
  height: 38px;
  justify-content: center;
  min-width: 38px;
  padding: 0 7px;
}

.lang-switch > .active,
.lang-switch > [aria-current="true"] {
  background: var(--gnosi-shell-primary);
  color: #fff;
}

.nav-toggle {
  align-items: center;
  background: transparent;
  border: 1px solid var(--gnosi-shell-line);
  border-radius: 10px;
  color: var(--gnosi-shell-ink);
  cursor: pointer;
  display: none;
  height: 44px;
  justify-content: center;
  padding: 0;
  width: 44px;
}

.nav-toggle:focus-visible,
.nav-links a:focus-visible,
.lang-switch a:focus-visible,
.gnosi-shell-footer a:focus-visible {
  outline: 2px solid var(--gnosi-shell-primary);
  outline-offset: 2px;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  background: currentColor;
  border-radius: 2px;
  display: block;
  height: 2px;
  position: relative;
  transition: transform 0.2s ease, opacity 0.2s ease;
  width: 20px;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  left: 0;
  position: absolute;
}

.nav-toggle-icon::before { top: -6px; }
.nav-toggle-icon::after { top: 6px; }
.navbar.is-open .nav-toggle-icon { background: transparent; }
.navbar.is-open .nav-toggle-icon::before { top: 0; transform: rotate(45deg); }
.navbar.is-open .nav-toggle-icon::after { top: 0; transform: rotate(-45deg); }

.gnosi-shell-footer {
  background: var(--gnosi-shell-accent);
  border-top: 1px solid var(--gnosi-shell-line);
  color: var(--gnosi-shell-ink);
  font-family: var(--gnosi-shell-font);
  margin-top: 40px;
  padding: 60px 24px 30px;
}

.gnosi-shell-footer .footer-content {
  display: grid;
  gap: 60px;
  grid-template-columns: 1fr 1fr;
  margin: 0 auto;
  max-width: var(--gnosi-shell-width);
}

.gnosi-shell-footer .footer-brand .brand {
  margin-bottom: 14px;
}

.gnosi-shell-footer .footer-brand .brand-logo {
  font-size: 24px;
  height: 42px;
  width: 42px;
}

.gnosi-shell-footer .footer-brand p {
  color: var(--gnosi-shell-muted);
  line-height: 1.55;
  margin: 0;
  max-width: 30ch;
}

.gnosi-shell-footer .footer-links {
  display: flex;
  gap: 60px;
  justify-content: flex-end;
}

.gnosi-shell-footer .footer-col h2,
.gnosi-shell-footer .footer-col h4 {
  color: var(--gnosi-shell-muted);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin: 0 0 16px;
  text-transform: uppercase;
}

.gnosi-shell-footer .footer-col a {
  color: var(--gnosi-shell-ink);
  display: flex;
  font-size: 16px;
  margin-bottom: 8px;
  min-height: 32px;
}

.gnosi-shell-footer .footer-col a:hover,
.gnosi-shell-footer .footer-col a:focus-visible {
  color: var(--gnosi-shell-primary);
}

.gnosi-shell-footer .footer-bottom {
  border-top: 1px solid var(--gnosi-shell-line);
  margin: 40px auto 0;
  max-width: var(--gnosi-shell-width);
  padding-top: 30px;
  text-align: center;
}

.gnosi-shell-footer .footer-bottom p {
  color: var(--gnosi-shell-muted);
  font-size: 14px;
  margin: 0;
}

@media (max-width: 768px) {
  .nav-container {
    gap: 8px;
    grid-template-columns: minmax(0, 1fr) auto auto;
    padding: 10px 16px;
    position: relative;
  }

  .navbar .brand { grid-column: 1; grid-row: 1; min-width: 0; }
  .lang-switch { grid-column: 2; grid-row: 1; }
  .nav-toggle { display: inline-flex; grid-column: 3; grid-row: 1; }

  .nav-links {
    background: var(--gnosi-shell-bg);
    border: 1px solid var(--gnosi-shell-line);
    border-radius: 0 0 12px 12px;
    box-shadow: 0 16px 30px rgb(30 41 59 / 14%);
    display: none;
    gap: 2px;
    left: 12px;
    max-height: calc(100dvh - 78px);
    overflow-y: auto;
    padding: 8px;
    position: absolute;
    right: 12px;
    top: 100%;
  }

  .navbar.is-open .nav-links { display: grid; }

  .nav-links a {
    border-bottom: 0;
    border-left: 3px solid transparent;
    border-radius: 8px;
    min-height: 44px;
    padding: 8px 12px;
  }

  .nav-links a:hover,
  .nav-links a:focus-visible { background: var(--gnosi-shell-accent); }
  .nav-links a.active,
  .nav-links a[aria-current="page"] { border-left-color: var(--gnosi-shell-primary); }

  .gnosi-shell-footer .footer-content { grid-template-columns: 1fr; gap: 40px; }
  .gnosi-shell-footer .footer-links {
    display: grid;
    gap: 28px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    justify-content: start;
  }
  .gnosi-shell-footer .footer-col a { min-height: 44px; }
}

@media (max-width: 480px) {
  .nav-container { padding-inline: 12px; }
  .navbar .logo { font-size: 20px; }
  .lang-switch { gap: 2px; }
  .lang-switch > a,
  .lang-switch > span { min-width: 32px; padding-inline: 5px; }
  .gnosi-shell-footer { padding: 48px 16px 24px; }
  .gnosi-shell-footer .footer-links { grid-template-columns: 1fr; gap: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .nav-toggle-icon,
  .nav-toggle-icon::before,
  .nav-toggle-icon::after { transition: none; }
}