/**
 * Shared site header — matches Nexperts beyond.html nav.
 * Load on every page with .site-nav. Add .site-nav--home on index only for mobile “Click here”.
 */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  background: rgba(248, 251, 255, 0.9);
  border-bottom: 1px solid rgba(30, 64, 175, 0.16);
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.06);
}

.site-nav .nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.site-nav .nav-logo img {
  height: 36px;
  width: auto;
  display: block;
}

.site-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
  list-style: none;
  position: relative;
  padding: 4px;
  border-radius: 12px;
  background: rgba(219, 234, 254, 0.22);
  border: 1px solid rgba(147, 197, 253, 0.35);
}

.site-nav .nav-links li {
  position: relative;
  z-index: 2;
}

.site-nav .nav-links a {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink2, #2a3f5f);
  text-decoration: none;
  position: relative;
  padding: 6px 10px;
  border-radius: 8px;
  transition: color 0.25s ease, transform 0.25s ease;
}

.site-nav .nav-links a::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 10px;
  width: calc(100% - 20px);
  height: 2px;
  background: var(--blue, #1d4ed8);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.28s ease;
}

.site-nav .nav-links a:hover {
  color: var(--blue, #1d4ed8);
  transform: translateY(-1px);
}

.site-nav .nav-links a:hover::after,
.site-nav .nav-links a.active::after {
  transform: scaleX(1);
}

.site-nav .nav-links a.active {
  color: var(--blue, #1d4ed8);
}

.site-nav .nav-highlight {
  position: absolute;
  top: 50%;
  left: 0;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(
    135deg,
    rgba(147, 197, 253, 0.45),
    rgba(219, 234, 254, 0.88)
  );
  border: 1px solid rgba(59, 130, 246, 0.22);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.18);
  transform: translateY(-50%);
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition:
    left 0.36s cubic-bezier(0.22, 0.61, 0.36, 1),
    width 0.36s cubic-bezier(0.22, 0.61, 0.36, 1),
    opacity 0.2s ease;
}

.site-nav .nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-nav .nav-ai-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

/* Hidden on all pages except landing (.site-nav--home) */
.site-nav .nav-ai-mobile-hint {
  display: none !important;
}

.site-nav .nav-ai {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #fff6d2;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  background: linear-gradient(
    135deg,
    #5b080f 0%,
    #8e1a22 26%,
    #d7a840 54%,
    #fff0b1 74%,
    #b7791f 100%
  );
  background-size: 220% 220%;
  border: 1px solid rgba(255, 224, 137, 0.55);
  box-shadow:
    0 10px 24px rgba(110, 16, 24, 0.36),
    inset 0 1px 0 rgba(255, 255, 255, 0.32);
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, color 0.2s ease;
  animation: nxNavAiShift 6s ease-in-out infinite;
}

.site-nav .nav-ai::before {
  content: "";
  position: absolute;
  inset: -150% -40%;
  background: linear-gradient(
    120deg,
    transparent 22%,
    rgba(255, 245, 189, 0.45) 46%,
    transparent 68%
  );
  transform: translateX(-85%) rotate(9deg);
  animation: nxNavAiSheen 3.6s ease-in-out infinite;
  pointer-events: none;
}

.site-nav .nav-ai:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow:
    0 16px 30px rgba(110, 16, 24, 0.45),
    0 0 26px rgba(255, 213, 107, 0.34);
  color: #fff9de;
}

.site-nav .nav-ai .ldot {
  width: 8px;
  height: 8px;
  background: radial-gradient(
    circle at 35% 35%,
    #ffe8a3 0%,
    #f9b946 30%,
    #c0202a 65%,
    #6f1019 100%
  );
  border-radius: 50%;
  box-shadow:
    0 0 0 0 rgba(192, 32, 42, 0.46),
    0 0 14px rgba(249, 185, 70, 0.45);
  animation: nxNavAiPulse 1.45s ease infinite;
}

.site-nav .nav-ai-label {
  position: relative;
  z-index: 1;
  text-shadow: 0 1px 3px rgba(75, 10, 14, 0.45);
}

.site-nav .nav-enroll {
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 45%, #3b82f6 100%);
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 11px;
  transition: all 0.25s ease;
  border: 1px solid rgba(255, 255, 255, 0.36);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.28);
}

.site-nav .nav-enroll:hover {
  background: linear-gradient(135deg, #1e40af 0%, #1d4ed8 52%, #60a5fa 100%);
  transform: translateY(-3px);
  box-shadow: 0 18px 34px rgba(37, 99, 235, 0.36);
}

@keyframes nxNavAiShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

@keyframes nxNavAiSheen {
  0%,
  58%,
  100% {
    transform: translateX(-85%) rotate(9deg);
  }
  72% {
    transform: translateX(135%) rotate(9deg);
  }
}

@keyframes nxNavAiPulse {
  0%,
  100% {
    transform: scale(0.95);
    box-shadow:
      0 0 0 0 rgba(192, 32, 42, 0.52),
      0 0 14px rgba(249, 185, 70, 0.38);
  }
  50% {
    transform: scale(1.18);
    box-shadow:
      0 0 0 8px rgba(192, 32, 42, 0),
      0 0 18px rgba(255, 224, 137, 0.5);
  }
}

@keyframes nxHeroAiTextFlow {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 230% 50%;
  }
}

@keyframes nxNavAiMobileNudge2 {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(2px);
  }
}

@keyframes nxNavAiMobileUp {
  0%,
  100% {
    transform: translateY(2px);
  }
  50% {
    transform: translateY(-4px);
  }
}

/* Landing page only — mobile “Click here” */
@media (max-width: 560px) {
  .site-nav.site-nav--home .nav-ai-wrap {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 4px;
  }

  .site-nav.site-nav--home .nav-ai {
    order: 1;
  }

  .site-nav.site-nav--home .nav-ai-mobile-hint {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    position: fixed;
    left: 0;
    top: 0;
    transform: translateX(-50%);
    white-space: nowrap;
    z-index: 221;
    pointer-events: none;
  }

  .site-nav.site-nav--home .nav-ai-mobile-up {
    font-size: 1.05rem;
    line-height: 1;
    color: #f6cf6f;
    text-shadow:
      0 0 14px rgba(246, 207, 111, 0.45),
      0 0 22px rgba(160, 24, 36, 0.25);
    animation: nxNavAiMobileUp 1.05s ease-in-out infinite;
  }

  .site-nav.site-nav--home .nav-ai-mobile-text {
    font-size: 0.62rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: linear-gradient(90deg, #7a121c, #f7c85b, #7a121c);
    background-size: 220% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation:
      nxHeroAiTextFlow 3s linear infinite,
      nxNavAiMobileNudge2 1.05s ease-in-out infinite;
  }
}

@media (max-width: 1024px) {
  .site-nav {
    padding: 0 16px;
    gap: 10px;
  }
}