/* =======================================================
   SolarTempe — Navigation Styles
   This file styles the main navigation bar to match the
   futuristic "glassmorphism" aesthetic of the site.
   - Features: Glitch hover, Pulsing mobile icon
   - Animations: Underline reveal, Staggered link fade-in
======================================================= */

/* ------------------------------
   Main Nav Container
------------------------------ */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  
  /* Glassmorphism Effect */
  background: var(--surface);
  backdrop-filter: blur(10px) saturate(120%);
  -webkit-backdrop-filter: blur(10px) saturate(120%);
  border-bottom: 1px solid var(--line);
  
  transition: background 0.3s ease, border-color 0.3s ease;
}

.nav-content-wrapper {
  width: 90%;
  max-width: 1200px; /* Slightly wider for nav items */
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ------------------------------
   Nav Brand & Glitch Effect
------------------------------ */
.nav-brand {
  position: relative;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

/* NEW FEATURE 1: Glitch text animation on hover */
.nav-brand:hover::before,
.nav-brand:hover::after {
  content: attr(data-glitch);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.nav-brand:hover::before {
  left: -2px;
  text-shadow: 1px 0 var(--accent-2);
  animation: glitch-anim-1 2s infinite linear alternate-reverse;
}

.nav-brand:hover::after {
  left: 2px;
  text-shadow: -1px 0 var(--accent);
  animation: glitch-anim-2 2s infinite linear alternate-reverse;
}

@keyframes glitch-anim-1 {
  0% { clip: rect(42px, 9999px, 44px, 0); }
  5% { clip: rect(12px, 9999px, 60px, 0); }
  10% { clip: rect(40px, 9999px, 18px, 0); }
  15% { clip: rect(32px, 9999px, 52px, 0); }
  20% { clip: rect(18px, 9999px, 80px, 0); }
  25% { clip: rect(50px, 9999px, 14px, 0); }
  30% { clip: rect(22px, 9999px, 68px, 0); }
  35% { clip: rect(70px, 9999px, 10px, 0); }
  40% { clip: rect(38px, 9999px, 62px, 0); }
  45% { clip: rect(10px, 9999px, 85px, 0); }
  50% { clip: rect(60px, 9999px, 20px, 0); }
  55% { clip: rect(25px, 9999px, 75px, 0); }
  60% { clip: rect(45px, 9999px, 30px, 0); }
  65% { clip: rect(75px, 9999px, 5px, 0); }
  70% { clip: rect(35px, 9999px, 70px, 0); }
  75% { clip: rect(15px, 9999px, 90px, 0); }
  80% { clip: rect(55px, 9999px, 25px, 0); }
  85% { clip: rect(80px, 9999px, 12px, 0); }
  90% { clip: rect(30px, 9999px, 78px, 0); }
  95% { clip: rect(5px, 9999px, 88px, 0); }
  100% { clip: rect(65px, 9999px, 18px, 0); }
}

@keyframes glitch-anim-2 {
  /* Similar keyframes as anim-1 but slightly different for variation */
  0% { clip: rect(35px, 9999px, 50px, 0); }
  /* ... (can add more steps for more complex glitch) */
  100% { clip: rect(20px, 9999px, 60px, 0); }
}

/* ------------------------------
   Nav Links & Underline Animation
------------------------------ */
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  position: relative;
  color: var(--muted);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--text);
}

/* NEW ANIMATION 1: Underline reveal from center */
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: 100%;
}

/* Style for the primary CTA button in the nav */
.nav-links .btn {
  padding: 10px 20px; /* Slightly smaller for nav context */
  font-size: 0.9rem;
}

/* ------------------------------
   Mobile Navigation Toggler
------------------------------ */
.nav-toggler {
  display: none; /* Hidden on desktop */
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.5rem;
  cursor: pointer;
}

/* NEW FEATURE 2: Pulsing glow animation on mobile toggler */
.nav-toggler {
  animation: pulse-glow 3s infinite ease-in-out;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 8px rgba(0,0,0,0);
  }
  50% {
    box-shadow: 0 0 16px var(--accent-glow);
  }
}

.nav-toggler-icon {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  position: relative;
  transition: background 0.2s ease;
}
.nav-toggler-icon::before,
.nav-toggler-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s ease, top 0.3s ease;
}
.nav-toggler-icon::before { top: -8px; }
.nav-toggler-icon::after { top: 8px; }

/* Toggler active state (X icon) */
.nav-toggler[aria-expanded="true"] .nav-toggler-icon {
  background: transparent;
}
.nav-toggler[aria-expanded="true"] .nav-toggler-icon::before {
  transform: rotate(45deg);
  top: 0;
}
.nav-toggler[aria-expanded="true"] .nav-toggler-icon::after {
  transform: rotate(-45deg);
  top: 0;
}

/* ------------------------------
   Responsive Styles (Mobile Menu)
------------------------------ */
@media (max-width: 992px) {
  .nav-toggler {
    display: block;
  }

  .nav-collapse {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    
    /* Mobile menu styling */
    background: var(--surface);
    border-top: 1px solid var(--line);
    padding: 1rem 5%;
    
    /* Hide/show logic */
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height 0.4s ease-out, opacity 0.4s ease-out, visibility 0.4s;
  }

  .nav-collapse.is-open {
    max-height: 500px; /* Arbitrary large value */
    opacity: 1;
    visibility: visible;
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }
  
  .nav-item {
    width: 100%;
  }

  .nav-link,
  .nav-links .btn {
    display: block;
    width: 100%;
    padding: 1rem 0;
    text-align: left;
  }
  
  .nav-links .btn {
    margin-top: 1rem;
    text-align: center;
  }

  .nav-link::after {
    /* Disable underline animation on mobile for cleaner look */
    display: none;
  }
  
  /* NEW ANIMATION 2: Staggered link reveal on mobile */
  .nav-collapse.is-open .nav-item {
    opacity: 0;
    transform: translateY(-10px);
    animation: fadeInSlide 0.4s ease forwards;
  }
  
  /* Apply delays to each item */
  .nav-collapse.is-open .nav-item:nth-child(1) { animation-delay: 0.1s; }
  .nav-collapse.is-open .nav-item:nth-child(2) { animation-delay: 0.15s; }
  .nav-collapse.is-open .nav-item:nth-child(3) { animation-delay: 0.2s; }
  .nav-collapse.is-open .nav-item:nth-child(4) { animation-delay: 0.25s; }
  .nav-collapse.is-open .nav-item:nth-child(5) { animation-delay: 0.3s; }
  .nav-collapse.is-open .nav-item:nth-child(6) { animation-delay: 0.35s; }
  .nav-collapse.is-open .nav-item:nth-child(7) { animation-delay: 0.4s; }


  @keyframes fadeInSlide {
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}


/* ------------------------------
   Dropdown Styling
------------------------------ */
.nav-item.dropdown {
  position: relative;
}

.dropdown-toggle {
  cursor: pointer;
}

/* Remove ALL Bootstrap default arrows and content */
.dropdown-toggle::after {
  display: none !important;
  content: none !important;
}

/* Dropdown menu container */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 1rem);
  right: 0;
  min-width: 200px;
  
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset;
  
  padding: 0.5rem 0;
  margin: 0;
  list-style: none;
  
  /* Hide by default */
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: 
    opacity 0.2s ease,
    transform 0.2s ease,
    visibility 0.2s;
}

/* Show dropdown */
.dropdown-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Dropdown items */
.dropdown-item {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.dropdown-item:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

/* Divider */
.dropdown-divider {
  height: 1px;
  margin: 0.5rem 0;
  background: var(--line);
  border: none;
  opacity: 0.5;
}

/* Mobile adjustments */
@media (max-width: 992px) {
  .dropdown-menu {
    position: static;
    width: 100%;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--line);
    border-radius: 0;
    margin-left: 1rem;
    background: transparent;
  }
  
  .dropdown-item {
    padding: 0.5rem 1rem;
  }
}

.nav-collapse { overflow: visible; }

/* Ensure proper stacking above content */
.main-nav, .dropdown-menu { z-index: 1000; }