/* === Layout Styles - Navbar & Footer === */

/* Header/Navbar */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  transition: all var(--duration-normal) var(--ease-default);
  background: transparent;
}

header.scrolled {
  background: rgba(var(--color-bg-rgb), 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--color-border);
}

.navbar {
  padding: var(--space-4) 0;
  transition: padding var(--duration-normal) var(--ease-default);
}

header.scrolled .navbar {
  padding: var(--space-3) 0;
}

.navbar .container {
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
}

/* Logo */
.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-default);
}

.navbar-logo img {
  height: 40px;
  width: auto;
  filter: brightness(1.1);
  transition: all var(--duration-fast) var(--ease-default);
}

.navbar-logo:hover img {
  filter: brightness(1.3) drop-shadow(0 0 10px var(--color-primary));
  transform: scale(1.05);
}

/* Desktop Navigation */
.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--nav-link-padding);
  font-size: var(--nav-link-font-size);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-default);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-spring);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

/* Dropdown Menu */
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--glass-bg);
  border: var(--border-width) solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: var(--glass-backdrop);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--duration-normal) var(--ease-spring);
  pointer-events: none;
  z-index: var(--z-dropdown);
}

.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.dropdown-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: all var(--duration-fast) var(--ease-default);
  border-radius: var(--radius-md);
  margin: var(--space-1);
}

.dropdown-link:hover {
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
  transform: translateX(4px);
}

/* CTA Button in Navbar */
.navbar-cta {
  margin-left: var(--space-4);
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 28px;
  height: 28px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: var(--z-dropdown);
}

.mobile-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background: var(--color-text);
  border-radius: var(--radius-full);
  opacity: 1;
  transform: rotate(0deg);
  transition: all var(--duration-normal) var(--ease-default);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu Overlay */
.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(var(--color-bg-rgb), 0.95);
  backdrop-filter: blur(20px);
  z-index: var(--z-drawer);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--duration-moderate) var(--ease-default);
}

.mobile-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--color-bg);
  border-left: var(--border-width) solid var(--color-border);
  padding: var(--space-8) var(--space-6);
  transform: translateX(100%);
  transition: transform var(--duration-moderate) var(--ease-spring);
  overflow-y: auto;
  z-index: var(--z-dropdown);
}

.mobile-overlay.open .mobile-menu {
  transform: translateX(0);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.mobile-nav .nav-link {
  padding: var(--space-4) var(--space-3);
  font-size: var(--font-size-lg);
  border-bottom: var(--border-width) solid var(--color-border);
}

.mobile-nav .dropdown {
  position: static;
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
  background: var(--color-bg-secondary);
  border: none;
  border-radius: 12px;
  box-shadow: none;
  backdrop-filter: none;
  margin-top: var(--space-2);
  padding-left: var(--space-4);
}

.mobile-close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-default);
}

.mobile-close:hover {
  background: var(--color-bg-secondary);
  color: var(--color-primary);
}

/* Responsive Navigation */
@media (max-width: 1024px) {
  .navbar-nav {
    display: none;
  }
  
  .mobile-toggle {
    display: flex;
  }
  
  .navbar-cta {
    display: none;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: var(--space-3) 0;
  }
  
  header.scrolled .navbar {
    padding: var(--space-2) 0;
  }
  
  .navbar-logo {
    font-size: var(--font-size-lg);
  }
  
  .navbar-logo img {
    height: 32px;
  }
  
  .mobile-menu {
    width: 100%;
    max-width: none;
  }
}

/* Footer */
footer {
  background: var(--color-bg-secondary);
  border-top: var(--border-width) solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.footer-content {
  padding: var(--space-20) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-brand {
  grid-column: span 1;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer-logo img {
  height: 36px;
  width: auto;
}

.footer-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--glass-bg);
  border: var(--border-width) solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-default);
  backdrop-filter: var(--glass-backdrop);
}

.social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-on-primary);
  box-shadow: var(--shadow-neon);
  transform: translateY(-2px);
}

.footer-section h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-4);
  position: relative;
}

.footer-section h4::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-default);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-link:hover {
  color: var(--color-primary);
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  color: var(--color-text-secondary);
}

.footer-contact-item .icon-circle-sm {
  width: 36px;
  height: 36px;
}

.footer-bottom {
  padding: var(--space-6) 0;
  border-top: var(--border-width) solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.footer-legal a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--duration-fast) var(--ease-default);
}

.footer-legal a:hover {
  color: var(--color-primary);
}

/* Footer Background Decoration */
footer::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--color-accent), transparent 60%);
  opacity: 0.05;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  animation: float 12s ease-in-out infinite;
}

footer::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -250px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--color-primary), transparent 50%);
  opacity: 0.08;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  animation: float 15s ease-in-out infinite reverse;
}

/* Responsive Footer */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
  
  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .footer-brand {
    grid-column: span 1;
  }
  
  .footer-content {
    padding: var(--space-16) 0 var(--space-6);
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--space-3);
  }
  
  .footer-legal {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
  }
}

/* Ensure body padding for fixed header */
body {
  padding-top: var(--navbar-height);
}