/* =========================================================================
   Vaytax, Top Navigation
   Design-file style: logo + tagline · Product (dropdown) · Resources ·
   Pricing · Log in · Get started CTA. Sticky, blurs on scroll.
   ========================================================================= */
.site-nav {
  background: #fff;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  padding: 0 40px;
  position: sticky;
  top: 0;
  z-index: 90;
  font-family: 'Roboto', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  transition: background 200ms ease, box-shadow 200ms ease;
}
.site-nav.is-scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}
.site-nav .nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 24px;
}

/* ======= Logo (3-line: stripe + wordmark + tagline) ======= */
.site-nav .nav-logo {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  flex-shrink: 0;
  padding: 4px 0;
}
.site-nav .nav-logo-stripe {
  display: flex;
  width: 80px;
  height: 3px;
  margin-bottom: 4px;
}
.site-nav .nav-logo-stripe span:nth-child(1) { flex: 1; background: #000; }
.site-nav .nav-logo-stripe span:nth-child(2) { flex: 1; background: #dd0000; }
.site-nav .nav-logo-stripe span:nth-child(3) { flex: 1; background: #ffcc00; }

.site-nav .nav-wordmark {
  font-family: 'Montserrat', sans-serif;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 3px;
  color: #14203b;
  text-transform: uppercase;
  line-height: 1.1;
}
.site-nav .nav-tagline {
  font-family: 'Montserrat', sans-serif;
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 1.5px;
  color: #bcbcbc;
  text-transform: uppercase;
  line-height: 1.2;
}

/* ======= Menu ======= */
.site-nav .nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
}
.site-nav .nav-link,
.site-nav .nav-trigger {
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: #14203b;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  text-decoration: none;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 150ms;
}
.site-nav .nav-link:hover,
.site-nav .nav-trigger:hover { color: #233985; }
.site-nav .nav-link-muted { color: #5a5a5a; }
.site-nav .nav-caret { font-size: 9px; opacity: 0.6; }

/* ======= Dropdown (Product) ======= */
.site-nav .nav-dropdown { position: relative; }
.site-nav .nav-panel {
  display: none;
  position: absolute;
  top: 100%;
  left: -16px;
  margin-top: 12px;
  min-width: 240px;
  background: #fff;
  border-radius: 8px;
  padding: 8px;
  box-shadow: 0 12px 40px rgba(20,32,59,0.16);
  border: 1px solid #ececec;
  z-index: 100;
}
.site-nav .nav-dropdown:hover .nav-panel,
.site-nav .nav-dropdown.is-open .nav-panel { display: block; }
.site-nav .nav-panel a {
  display: block;
  padding: 10px 14px;
  border-radius: 6px;
  font-family: 'Roboto', sans-serif;
  font-size: 14px;
  color: #14203b;
  text-decoration: none;
  letter-spacing: normal;
  text-transform: none;
  transition: background 120ms, color 120ms;
}
.site-nav .nav-panel a:hover { background: #f8f9fb; color: #233985; }

/* ======= CTA, primary (Start registration / Get started) ======= */
.site-nav .nav-cta {
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: #233985;
  color: #fff;
  padding: 10px 24px;
  border-radius: 6px;
  text-decoration: none;
  border: 1.5px solid #233985;
  flex-shrink: 0;
  transition: background 150ms, border-color 150ms, transform 150ms;
}
.site-nav .nav-cta:hover {
  background: #14203b;
  border-color: #14203b;
  color: #fff;
  transform: translateY(-1px);
}

/* ======= CTA, secondary (Check what you need) ======= */
/* Codex two-path funnel: VAT check is reachable from every nav, not just
   hero areas. Ghost button next to the primary Register CTA. */
.site-nav .nav-cta-check {
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: transparent;
  color: #14203b;
  padding: 10px 18px;
  border-radius: 6px;
  text-decoration: none;
  border: 1.5px solid #233985;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 150ms, color 150ms, transform 150ms;
}
.site-nav .nav-cta-check:hover {
  background: rgba(35,57,133,0.06);
  color: #233985;
  transform: translateY(-1px);
}
.site-nav .nav-cta-check svg {
  width: 13px; height: 13px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.75;
}

/* ======= Mobile toggle ======= */
.site-nav .nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.site-nav .nav-toggle span {
  width: 22px;
  height: 2px;
  background: #14203b;
  position: relative;
  transition: background 200ms;
}
.site-nav .nav-toggle span::before,
.site-nav .nav-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: #14203b;
  transition: transform 200ms, top 200ms;
}
.site-nav .nav-toggle span::before { top: -7px; }
.site-nav .nav-toggle span::after { top: 7px; }
.site-nav.menu-open .nav-toggle span { background: transparent; }
.site-nav.menu-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
.site-nav.menu-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

/* ======= Responsive ======= */
/* Tight nav between 1024 and 1100 to keep all 7 items on a single line */
@media (max-width: 1100px) {
  .site-nav .nav-menu { gap: 16px; }
  .site-nav .nav-link,
  .site-nav .nav-trigger { font-size: 11px; letter-spacing: 0.3px; }
  .site-nav .nav-cta,
  .site-nav .nav-cta-check { padding: 10px 16px; font-size: 11px; }
}

@media (max-width: 1024px) {
  .site-nav { padding: 0 24px; }
  .site-nav .nav-inner { height: 70px; gap: 16px; }
  .site-nav .nav-logo-stripe { width: 64px; }
  .site-nav .nav-wordmark { font-size: 15px; letter-spacing: 2.4px; }
  .site-nav .nav-tagline { font-size: 8px; }
  .site-nav .nav-toggle { display: inline-flex; }
  .site-nav .nav-menu {
    display: none;
    position: absolute;
    top: 70px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    padding: 12px 16px 20px;
    gap: 0;
    margin: 0;
    box-shadow: 0 8px 24px rgba(20,32,59,0.08);
    max-height: calc(100vh - 70px);
    overflow-y: auto;
  }
  .site-nav.menu-open .nav-menu { display: flex; }
  .site-nav .nav-link,
  .site-nav .nav-trigger {
    width: 100%;
    justify-content: space-between;
    padding: 14px 8px;
    font-size: 14px;
    border-radius: 0;
    border-bottom: 1px solid #f0f0f0;
  }
  .site-nav .nav-dropdown { width: 100%; }
  .site-nav .nav-dropdown:hover .nav-panel { display: none; }
  .site-nav .nav-dropdown.is-open .nav-panel {
    display: block;
    position: static;
    box-shadow: none;
    border: 0;
    background: #f8f9fb;
    padding: 8px;
    min-width: 0;
    margin: 0 0 8px;
  }
  .site-nav .nav-cta,
  .site-nav .nav-cta-check {
    margin-top: 10px;
    text-align: center;
    width: 100%;
    padding: 14px;
    font-size: 13px;
    border-radius: 6px;
    justify-content: center;
  }
  /* The Check button is the recommended path: above Register in the mobile stack. */
  .site-nav .nav-cta-check { margin-top: 14px; order: -1; }
}

/* Hide tagline on very small screens */
@media (max-width: 380px) {
  .site-nav .nav-tagline { display: none; }
}

/* ======= Urgent help link (Finanzamt letter intake)
   Small attention-grabbing link sitting between "Log in" and "Check what you need".
   Distinct color (amber) + pulsing red dot to read as "urgent fast lane".
   Hidden under 720px to free header space on small phones. The page itself
   (/finanzamt-letter) is still reachable from the homepage two-card module
   and from links inside vat-check / contact result pages. */
.site-nav .nav-urgent {
  color: #c97f1c;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.site-nav .nav-urgent:hover { color: #a35f14; }
.site-nav .nav-urgent .pulse-dot {
  position: relative;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #dd0000;
  flex-shrink: 0;
}
.site-nav .nav-urgent .pulse-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: #dd0000;
  opacity: 0.35;
  animation: navUrgentPulse 2s ease-out infinite;
}
@keyframes navUrgentPulse {
  0%   { transform: scale(0.8); opacity: 0.5; }
  100% { transform: scale(2);   opacity: 0; }
}
@media (max-width: 900px) {
  /* Hide on tablet + mobile to save header space; homepage band + footer cover discovery there. */
  .site-nav .nav-urgent { display: none; }
}