/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  height: var(--nav-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-nav);
  backdrop-filter: blur(10px);
  transition: all var(--transition-slow);
}

/* Color mode navbar */
[data-color-mode="true"] .navbar {
  background: var(--color-nav-bg);
}

.nav-container {
  max-width: var(--container-max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-size: var(--font-size-lg);
  font-weight: 600;
  letter-spacing: -0.5px;
  transition: color var(--transition-slow);
  z-index: 101;
}

[data-color-mode="true"] .nav-brand {
  color: var(--color-nav-link);
}

/* Navigation Links */
.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  align-items: center;
}

.nav-link {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  transition: color var(--transition-slow);
}

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

/* Color mode nav links */
[data-color-mode="true"] .nav-link {
  color: var(--color-nav-link);
}

[data-color-mode="true"] .nav-link:hover,
[data-color-mode="true"] .nav-link.active {
  color: var(--color-nav-link-hover);
}

/* Social Icons in Nav */
.nav-social {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  margin-left: var(--spacing-lg);
  padding-left: var(--spacing-lg);
  border-left: 1px solid var(--color-border);
}

.nav-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
}

.nav-social-link:hover {
  color: var(--color-text);
  opacity: 1;
}

[data-color-mode="true"] .nav-social-link {
  color: var(--color-nav-link);
}

[data-color-mode="true"] .nav-social-link:hover {
  color: var(--color-nav-link-hover);
}

.nav-social-link svg {
  width: 24px;
  height: 24px;
}

/* Hamburger Menu Button (Mobile Only) */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 28px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 101;
}

.hamburger span {
  width: 100%;
  height: 3px;
  background: var(--color-text);
  transition: all var(--transition-base);
  border-radius: 2px;
}

[data-color-mode="true"] .hamburger span {
  background: var(--color-nav-link);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

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

/* Main Content */
.main-content {
  min-height: calc(100vh - var(--nav-height));
  padding: var(--spacing-xl) 0;
  transition: background var(--transition-slow);
}

/* Hero Section */
.hero {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.hero-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: all var(--transition-slow);
}

/* Color mode hero title */
[data-color-mode="true"] .hero-title {
  background: linear-gradient(135deg, #2a2a2a 0%, #5a5a5a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  transition: color var(--transition-slow);
}

.hero-credit {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-sm);
  font-style: italic;
  transition: color var(--transition-slow);
}

/* Footer */
.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xxl);
  transition: all var(--transition-slow);
}

[data-color-mode="true"] .footer {
  background: var(--color-nav-bg);
}

.footer-content {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.footer-social {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.footer-social-link:hover {
  color: var(--color-text);
  transform: translateY(-2px);
  opacity: 1;
}

[data-color-mode="true"] .footer-social-link {
  color: var(--color-nav-link);
}

[data-color-mode="true"] .footer-social-link:hover {
  color: var(--color-nav-link-hover);
}

.footer-social-link svg {
  width: 28px;
  height: 28px;
}

.footer-text {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: color var(--transition-slow);
}

/* Gallery Grid */
.gallery {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--card-size), 1fr));
  gap: var(--card-gap);
}

/* Responsive Layout */
@media (max-width: 768px) {
  /* Show hamburger, hide desktop nav */
  .hamburger {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    left: -100%;
    top: var(--nav-height);
    flex-direction: column;
    background: var(--color-bg);
    width: 100%;
    text-align: center;
    transition: left var(--transition-base);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl) 0;
    gap: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
  }
  
  [data-color-mode="true"] .nav-menu {
    background: var(--color-nav-bg);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-link {
    font-size: var(--font-size-lg);
  }
  
  .nav-social {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    justify-content: center;
  }
  
  .gallery {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .modal-content {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 var(--spacing-md);
  }
  
  .nav-brand {
    font-size: var(--font-size-base);
  }
  
  .hero {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .gallery {
    padding: 0 var(--spacing-md);
  }
  
  .footer-content {
    padding: 0 var(--spacing-md);
  }
}