/* ============================================================
   PAGES.CSS — Page-specific Styles, Advanced Effects & Extras
   ============================================================ */

/* ==================== PAGE TRANSITION ==================== */
.page-transition {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.page-transition.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-ring {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(var(--primary-rgb), 0.1);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: rotate-slow 1s linear infinite;
}

/* ==================== BACKGROUND EFFECTS ==================== */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(var(--primary-rgb), 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--primary-rgb), 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
  pointer-events: none;
}

.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.03;
  z-index: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* ==================== SCROLL TO TOP ==================== */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(var(--primary-rgb), 0.1);
  border: 1px solid rgba(var(--primary-rgb), 0.3);
  color: var(--primary);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--primary);
  color: var(--bg-primary);
  box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.4);
}

/* ==================== BREADCRUMBS ==================== */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: calc(var(--nav-height) + var(--space-lg)) 0 var(--space-sm);
  font-size: 0.85rem;
}

.breadcrumbs a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.breadcrumbs .separator {
  color: var(--text-muted);
  opacity: 0.5;
}

.breadcrumbs .current {
  color: var(--primary);
}

/* ==================== PROGRESS BAR ==================== */
.progress-bar {
  height: 6px;
  background: rgba(var(--primary-rgb), 0.1);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 3px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  animation: progress-shine 2s ease-in-out infinite;
}

@keyframes progress-shine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ==================== STAT CARD ==================== */
.stat-card {
  text-align: center;
  padding: var(--space-xl);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ==================== SECTION HEADER ==================== */
.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--primary);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.section-label::before {
  content: '//';
  opacity: 0.5;
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(to bottom, var(--primary), var(--accent));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Firefox Scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--primary) var(--bg-primary);
}

/* ==================== SELECTION ==================== */
::selection {
  background: rgba(var(--primary-rgb), 0.3);
  color: var(--text-primary);
}

::-moz-selection {
  background: rgba(var(--primary-rgb), 0.3);
  color: var(--text-primary);
}

/* ==================== MOBILE NAV EXTRAS ==================== */
.mobile-nav-divider {
  width: 100%;
  height: 1px;
  background: var(--border-color);
  margin: var(--space-md) 0;
}

.mobile-nav-footer {
  padding: 0 var(--space-xl) var(--space-xl);
}

.mobile-nav-socials {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.mobile-social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.mobile-social-link:hover {
  color: var(--primary);
  border-color: var(--primary);
}

/* ==================== NAV CTA ==================== */
.nav-cta {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--border-radius-xl);
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.4);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(var(--primary-rgb), 0.1);
}

@media (max-width: 1024px) {
  .nav-actions {
    display: none;
  }
}

/* ==================== LOADING STATES ==================== */
.loading-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.loading-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  animation: dot-bounce 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

/* ==================== RIPPLE EFFECT ==================== */
.ripple-effect {
  position: relative;
  overflow: hidden;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: scale(0);
  animation: ripple-animation 0.6s linear;
  pointer-events: none;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ==================== GLITCH TEXT EFFECT ==================== */
.glitch-text {
  position: relative;
  animation: glitch-text 3s infinite;
}

@keyframes glitch-text {
  0%, 90%, 100% { transform: none; opacity: 1; }
  91% { transform: translate(-2px, 1px); opacity: 0.8; }
  92% { transform: translate(2px, -1px); opacity: 0.9; }
  93% { transform: translate(-1px, 2px); opacity: 0.8; }
  94% { transform: none; opacity: 1; }
}

/* ==================== GRADIENT TEXT ==================== */
.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==================== SCAN LINE EFFECT ==================== */
.scan-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  animation: scan-down 3s ease-in-out infinite;
  opacity: 0.5;
  pointer-events: none;
}

@keyframes scan-down {
  0% { top: 0; }
  50% { top: 100%; }
  100% { top: 0; }
}

/* ==================== GLOW BORDER ==================== */
.glow-border {
  position: relative;
}

.glow-border::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--primary), var(--secondary), var(--accent), var(--primary));
  background-size: 400%;
  border-radius: inherit;
  z-index: -1;
  animation: glow-rotate 8s linear infinite;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.glow-border:hover::before {
  opacity: 0.5;
}

@keyframes glow-rotate {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ==================== FLOATING ELEMENTS ==================== */
.float-element {
  animation: float 6s ease-in-out infinite;
}

.float-delay-2 {
  animation-delay: 2s;
}

.float-delay-4 {
  animation-delay: 4s;
}

/* ==================== CURSOR BLINK ==================== */
.cursor-blink {
  animation: blink-cursor 1s step-end infinite;
}

@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ==================== STATUS DOT ==================== */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  display: inline-block;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 200, 83, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(0, 200, 83, 0); }
}

/* ==================== TOOLTIP ==================== */
[data-tooltip] {
  position: relative;
  cursor: help;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 12px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 0.8rem;
  border-radius: var(--border-radius-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  pointer-events: none;
  border: 1px solid var(--border-color);
}

[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
}

/* ==================== BADGE ==================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background: rgba(var(--primary-rgb), 0.15);
  color: var(--primary);
}

.badge-success {
  background: rgba(0, 200, 83, 0.15);
  color: var(--success);
}

.badge-warning {
  background: rgba(255, 193, 7, 0.15);
  color: var(--warning);
}

/* ==================== DIVIDER ==================== */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  margin: var(--space-2xl) 0;
}

/* ==================== BACK LINK ==================== */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  margin-bottom: var(--space-xl);
}

.back-link:hover {
  color: var(--primary);
  gap: var(--space-md);
}

.back-link i {
  transition: transform var(--transition-fast);
}

.back-link:hover i {
  transform: translateX(-4px);
}

/* ==================== ACCORDION ==================== */
.accordion-item {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-sm);
  overflow: hidden;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  background: var(--bg-card);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: 500;
  color: var(--text-primary);
}

.accordion-header:hover {
  background: var(--bg-card-hover);
}

.accordion-header i {
  transition: transform var(--transition-fast);
  color: var(--primary);
}

.accordion-item.open .accordion-header i {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 var(--space-xl);
}

.accordion-item.open .accordion-body {
  max-height: 500px;
  padding: var(--space-lg) var(--space-xl);
}

/* ==================== CODE BLOCK ==================== */
.code-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: var(--space-xl);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  overflow-x: auto;
  position: relative;
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-color);
}

.code-block-lang {
  font-size: 0.75rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.code-block-copy {
  padding: 4px 10px;
  font-size: 0.75rem;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-mono);
}

.code-block-copy:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ==================== IMAGE GALLERY ==================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-md);
}

.gallery-item {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 16 / 10;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.gallery-item:hover .gallery-item-overlay {
  transform: translateY(0);
}

/* ==================== TAB SYSTEM ==================== */
.tab-header {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-xl);
  overflow-x: auto;
}

.tab-btn {
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fade-in-up 0.4s ease;
}

/* ==================== NOTIFICATION ==================== */
.notification {
  position: fixed;
  top: calc(var(--nav-height) + 16px);
  right: 16px;
  padding: var(--space-md) var(--space-xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  z-index: 1002;
  transform: translateX(120%);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.notification.show {
  transform: translateX(0);
}

.notification-success {
  border-left: 3px solid var(--success);
}

.notification-error {
  border-left: 3px solid var(--danger);
}

/* ==================== GRID LAYOUTS ==================== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-4 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

/* ==================== UTILITY CLASSES ==================== */
.w-full { width: 100%; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded-md { border-radius: var(--border-radius-md); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-full { border-radius: 50%; }

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

.overflow-hidden { overflow: hidden; }
.relative { position: relative; }

/* ==================== PRINT STYLES ==================== */
@media print {
  .main-nav,
  .hamburger,
  .mobile-nav,
  .mobile-nav-overlay,
  .theme-switcher-panel,
  .scroll-top,
  .page-transition,
  .bg-grid,
  .noise-overlay,
  .hero-bg-effects,
  .hero-profile-ring,
  .hero-profile-ring-2 {
    display: none !important;
  }

  body {
    background: #fff;
    color: #333;
  }

  .hero {
    min-height: auto;
    padding-top: 2rem;
  }

  .section {
    padding: 2rem 0;
  }

  .card {
    border: 1px solid #ddd;
    box-shadow: none;
  }

  a {
    color: #333;
  }
}