/* ============================================================
   NAVIGATION STYLES
   ============================================================ */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  height: 70px;
  display: flex;
  align-items: center;
  padding: 0 48px;
  background: rgba(248, 248, 246, .95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(43, 137, 138, .08);
  box-shadow: 0 2px 8px rgba(13, 31, 45, .04);
  transition: background 0.3s ease;
}

/* Dynamic navbar colors for error pages */
body.error-404 nav {
  background: rgba(226, 246, 247, .95);
  border-bottom-color: rgba(43, 137, 138, .15);
}

body.error-400 nav {
  background: rgba(254, 243, 199, .95);
  border-bottom-color: rgba(251, 146, 60, .15);
}

body.error-401 nav {
  background: rgba(240, 253, 244, .95);
  border-bottom-color: rgba(21, 128, 61, .15);
}

body.error-403 nav {
  background: rgba(254, 226, 226, .95);
  border-bottom-color: rgba(239, 68, 68, .15);
}

body.error-500 nav {
  background: rgba(237, 233, 254, .95);
  border-bottom-color: rgba(168, 85, 247, .15);
}

body.error-503 nav {
  background: rgba(219, 234, 254, .95);
  border-bottom-color: rgba(59, 130, 246, .15);
}

.nav-left {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}

.nav-logo {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 2px;
  transition: all .22s ease;
}

.nav-logo-img {
  height: 130px;
  width: auto;
}

.nav-logo:hover {
  transform: translateY(-1px);
}

.nav-center {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 16px;
}

.nav-divider {
  width: 1px;
  height: 18px;
  background: rgba(43, 137, 138, .2);
}

.nav-tagline {
  font-size: 12px;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: .1em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 24px;
  flex: 0 0 auto;
  margin-left: auto;
}

.nav-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--txt2);
  text-decoration: none;
  transition: all .22s;
  cursor: pointer;
  letter-spacing: .02em;
}

.nav-link:hover {
  color: var(--teal);
  transform: translateY(-1px);
}

.nav-separator {
  width: 1px;
  height: 24px;
  background: rgba(43, 137, 138, .15);
}

.nav-pro-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(145deg, var(--ink) 0%, var(--ink) 55%, #1a3844 100%);
  color: #fff;
  max-height: 60px;
  padding: 8px 18px;
  border-radius: 12px;
  font-size: 13px;
  cursor: pointer;
  border: none;
  font-family: 'Nunito', sans-serif;
  transition: all .22s;
  letter-spacing: .01em;
  box-shadow: var(--clay-navy);
  text-decoration: none;
}

.nav-pro-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--ink);
}

.nav-pro-btn:active {
  transform: translateY(0);
}

.nav-pro-icon {
  font-size: 14px;
}

/* Hamburger Menu */
.nav-hamburger {
  display: none;
  flex-direction: column;
  right: 0;
  gap: 6px;
  cursor: pointer;
  z-index: 1000;
}

.hamburger-line {
  width: 24px;
  height: 2.5px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-toggle-input:checked~nav .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translateY(12px);
}

.nav-toggle-input:checked~nav .hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle-input:checked~nav .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translateY(-10px);
}

.nav-mobile-menu {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 70px;
  right: 0;
  width: 100%;
  background: rgba(248, 248, 246, .98);
  border-top: 1px solid rgba(43, 137, 138, .1);
  box-shadow: 0 4px 12px rgba(13, 31, 45, .1);
  z-index: 998;
  padding: 16px 20px;
  gap: 12px;
}

.nav-toggle-input:checked~nav .nav-mobile-menu {
  display: flex;
}

.nav-mobile-link {
  padding: 12px 16px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  transition: all 0.22s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-mobile-link:hover {
  background: rgba(43, 137, 138, .1);
  color: var(--teal);
}

.nav-mobile-pro {
  background: rgba(43, 137, 138, .15);
  color: var(--teal);
  justify-content: center;
}

.nav-mobile-pro:hover {
  background: rgba(43, 137, 138, .25);
}

/* Dynamic mobile menu backgrounds */
body.error-404 .nav-mobile-menu {
  background: rgba(226, 246, 247, .98);
  border-top-color: rgba(43, 137, 138, .15);
}

body.error-400 .nav-mobile-menu {
  background: rgba(254, 243, 199, .98);
  border-top-color: rgba(251, 146, 60, .15);
}

body.error-401 .nav-mobile-menu {
  background: rgba(240, 253, 244, .98);
  border-top-color: rgba(21, 128, 61, .15);
}

body.error-403 .nav-mobile-menu {
  background: rgba(254, 226, 226, .98);
  border-top-color: rgba(239, 68, 68, .15);
}

body.error-500 .nav-mobile-menu {
  background: rgba(237, 233, 254, .98);
  border-top-color: rgba(168, 85, 247, .15);
}

body.error-503 .nav-mobile-menu {
  background: rgba(219, 234, 254, .98);
  border-top-color: rgba(59, 130, 246, .15);
}

@media (max-width: 1200px) {
  nav {
    padding: 0 32px;
  }

  .nav-center {
    display: none;
  }
}

@media (max-width: 960px) {
  nav {
    height: 62px;
    padding: 0 20px;
    justify-content: space-between;
  }

  .nav-logo-img {
    height: 110px;
  }

  .nav-center {
    display: none;
  }

  .nav-right {
    display: none;
  }

  .nav-hamburger {
    display: flex;
    margin-left: auto;
  }

  .nav-tagline {
    display: none;
  }

  .nav-link {
    display: none;
  }

  .nav-separator {
    display: none;
  }

  .nav-pro-btn {
    display: none;
  }
}