/* ABS Fahrschule Theme — Navigation */

/* ═══ NAV ═══ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s, border-color 0.3s;
}
.nav-inner {
  width: 100%;
  max-width: 1800px;
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

nav.nav-light {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  border-bottom: none;
}

nav.nav-dark {
  background: rgba(0,0,34,0.92);
  backdrop-filter: blur(16px);
  border-bottom: none;
}

/* Dark pages start transparent, scroll into nav-dark */
nav.nav-dark-transparent {
  background: transparent;
  backdrop-filter: none;
  border-bottom: none;
}
nav.nav-dark-transparent .nav-logo { color: var(--white); }
nav.nav-dark-transparent .nav-links a { color: rgba(255,255,255,0.7); }
nav.nav-dark-transparent .nav-links a:hover,
nav.nav-dark-transparent .nav-links a.active { color: var(--white); background: rgba(255,255,255,0.1); }

.nav-logo {
  font-family: 'Open Sans', sans-serif;
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.5px;
}

nav.nav-light .nav-logo { color: var(--navy); }
nav.nav-dark .nav-logo { color: var(--white); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  transition: all 0.2s;
}

nav.nav-light .nav-links a { color: var(--text-muted); }
nav.nav-dark .nav-links a { color: var(--text-on-dark); }

nav.nav-light .nav-links a:hover,
nav.nav-light .nav-links a.active { color: var(--navy); background: var(--offwhite); }

nav.nav-dark .nav-links a:hover,
nav.nav-dark .nav-links a.active { color: var(--white); background: rgba(255,255,255,0.08); }

.nav-cta {
  background: var(--blue) !important;
  color: var(--white) !important;
  font-family: 'Open Sans', sans-serif !important;
  font-weight: 700 !important;
  font-size: 14px !important;
  padding: 10px 24px !important;
  margin-left: 8px;
}

.nav-cta:hover {
  background: var(--accent) !important;
  transform: translateY(-1px);
}

/* ═══ MOBILE NAV ═══ */
.nav-burger {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: none;
  cursor: pointer;
  position: fixed;
  top: 14px;
  right: 24px;
  z-index: 1100;
}
.nav-burger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--white);
  border-radius: 2px;
  position: absolute;
  top: 50%;
  left: 50%;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-burger span:nth-child(1) {
  transform: translate(-50%, -50%);
}
.nav-burger span:nth-child(2) {
  transform: translate(-50%, -50%) rotate(90deg);
}
.nav-burger.is-open span:nth-child(1) {
  transform: translate(-50%, -50%) rotate(225deg);
}
.nav-burger.is-open span:nth-child(2) {
  transform: translate(-50%, -50%) rotate(315deg);
}
.nav-burger span { background: var(--white); }
.nav-burger.burger-light span { background: var(--navy); }
.nav-burger.is-open span { background: var(--white) !important; }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 1001;
  background: transparent;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 0 48px;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
}
.mobile-menu.is-open {
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
}
.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mobile-menu-links a {
  font-family: 'Obviously Narrow', 'Arial Narrow', Impact, sans-serif;
  font-size: clamp(36px, 9vw, 56px);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  line-height: 1.15;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  cursor: pointer;
  display: block;
  transition: color 0.2s;
}
.mobile-menu-links a:hover,
.mobile-menu-links a.active {
  color: var(--white);
}
.mobile-menu-cta {
  margin-top: 40px;
}
.mobile-menu-cta .btn {
  background: var(--accent);
  box-shadow: 0 4px 20px rgba(255, 87, 59, 0.3);
}
.mobile-menu-cta .btn:hover {
  background: var(--accent-hover);
}

/* ═══ TRANSITION ═══ */
.transition-overlay {
  position: fixed;
  top: 50%; left: 50%;
  width: 100%; height: 100%;
  transform: translate(-50%, -50%) scale(1.5);
  z-index: 999;
  pointer-events: none;
}

.transition-overlay svg { width: 100%; height: 100%; }
.transition-overlay path {
  stroke-dasharray: 10000;
  stroke-dashoffset: 10000;
}

@media (max-width: 900px) {
  .nav-links { display: none !important; }
  .nav-burger { display: flex; align-items: center; justify-content: center; }
  .nav-inner { padding: 0 24px; }
  .mobile-menu-links a { letter-spacing: -0.04em; }
}