/* ==============================================
   lbhongdafood.com - Animations
   Tesla-inspired rich animations and effects
   ============================================== */

/* Keyframes */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.05); }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.6), 0 0 80px rgba(0, 212, 255, 0.3);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0) translateX(0); }
  33% { transform: translateY(-20px) translateX(10px); }
  66% { transform: translateY(10px) translateX(-10px); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes spinReverse {
  from { transform: rotate(360deg); }
  to { transform: rotate(0deg); }
}

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

@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

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

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes wave {
  0% { transform: translateX(0) translateY(0); }
  25% { transform: translateX(10px) translateY(-5px); }
  50% { transform: translateX(0) translateY(-10px); }
  75% { transform: translateX(-10px) translateY(-5px); }
  100% { transform: translateX(0) translateY(0); }
}

@keyframes glitch {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
}

@keyframes rotate3d {
  0% { transform: perspective(1000px) rotateY(0); }
  100% { transform: perspective(1000px) rotateY(360deg); }
}

@keyframes glow {
  0%, 100% {
    filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.4));
  }
  50% {
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.8));
  }
}

@keyframes scanline {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

@keyframes dataFlow {
  0% { stroke-dashoffset: 1000; }
  100% { stroke-dashoffset: 0; }
}

@keyframes orbit {
  0% { transform: rotate(0deg) translateX(100px) rotate(0deg); }
  100% { transform: rotate(360deg) translateX(100px) rotate(-360deg); }
}

@keyframes counterSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(-360deg); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes aurora {
  0%, 100% {
    background-position: 0% 50%;
    opacity: 0.6;
  }
  50% {
    background-position: 100% 50%;
    opacity: 0.8;
  }
}

@keyframes borderGlow {
  0%, 100% {
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
  }
  50% {
    border-color: rgba(0, 212, 255, 0.8);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.3);
  }
}

@keyframes codeBlink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* Animation utility classes */
.fade-in { animation: fadeIn 0.8s ease-out both; }
.fade-in-up { animation: fadeInUp 0.8s ease-out both; }
.fade-in-down { animation: fadeInDown 0.8s ease-out both; }
.fade-in-left { animation: fadeInLeft 0.8s ease-out both; }
.fade-in-right { animation: fadeInRight 0.8s ease-out both; }
.scale-in { animation: scaleIn 0.6s ease-out both; }
.float { animation: float 6s ease-in-out infinite; }
.float-slow { animation: floatSlow 10s ease-in-out infinite; }
.pulse { animation: pulse 2s ease-in-out infinite; }
.pulse-glow { animation: pulseGlow 3s ease-in-out infinite; }
.glow { animation: glow 3s ease-in-out infinite; }
.spin { animation: spin 20s linear infinite; }
.spin-slow { animation: spin 30s linear infinite; }
.spin-reverse { animation: spinReverse 20s linear infinite; }
.rotate-3d { animation: rotate3d 20s linear infinite; }
.wave-anim { animation: wave 4s ease-in-out infinite; }
.gradient-shift {
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
}
.shimmer {
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.1) 50%, transparent 100%);
  background-size: 1000px 100%;
  animation: shimmer 3s infinite linear;
}

/* Delay utilities */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }
.delay-7 { animation-delay: 0.7s; }
.delay-8 { animation-delay: 0.8s; }

/* Reveal on scroll - triggered by JS */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-scale.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children */
.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.stagger.is-visible > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: translateY(0); }
.stagger.is-visible > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger.is-visible > *:nth-child(3) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
.stagger.is-visible > *:nth-child(4) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.stagger.is-visible > *:nth-child(5) { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }
.stagger.is-visible > *:nth-child(6) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
.stagger.is-visible > *:nth-child(7) { transition-delay: 0.35s; opacity: 1; transform: translateY(0); }
.stagger.is-visible > *:nth-child(8) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
.stagger.is-visible > *:nth-child(9) { transition-delay: 0.45s; opacity: 1; transform: translateY(0); }
.stagger.is-visible > *:nth-child(10) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }
.stagger.is-visible > *:nth-child(11) { transition-delay: 0.55s; opacity: 1; transform: translateY(0); }
.stagger.is-visible > *:nth-child(12) { transition-delay: 0.6s; opacity: 1; transform: translateY(0); }

/* Hero specific animations */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  filter: brightness(0.6) contrast(1.2);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(5, 10, 20, 0.4) 0%,
    rgba(5, 10, 20, 0.6) 50%,
    rgba(5, 10, 20, 0.95) 100%);
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-particles .particle {
  position: absolute;
  background: var(--color-primary);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  animation: floatSlow 8s ease-in-out infinite;
}

.hero-title {
  position: relative;
  z-index: 1;
  font-size: clamp(2.75rem, 7vw, 6rem);
  font-weight: 800;
  line-height: 1;
  margin-bottom: var(--space-5);
  letter-spacing: -0.03em;
}

.hero-title .line {
  display: block;
  overflow: hidden;
}

.hero-title .line-inner {
  display: block;
  animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.hero-title .line:nth-child(1) .line-inner { animation-delay: 0.1s; }
.hero-title .line:nth-child(2) .line-inner { animation-delay: 0.2s; }
.hero-title .line:nth-child(3) .line-inner { animation-delay: 0.3s; }

.hero-title .gradient-text {
  background: linear-gradient(135deg, #00d4ff 0%, #0066ff 30%, #7c3aed 60%, #ff3282 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease infinite;
}

.hero-subtitle {
  position: relative;
  z-index: 1;
  max-width: 720px;
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

.hero-cta {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-7);
  animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.5s both;
}

.hero-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  max-width: 640px;
  animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.6s both;
}

@media (min-width: 768px) {
  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.hero-stat {
  position: relative;
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-border);
}

.hero-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-text);
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-mono);
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  animation: fadeIn 1s 1s both, float 3s 2s ease-in-out infinite;
}

.hero-scroll-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(180deg, var(--color-primary), transparent);
  animation: pulse 2s ease-in-out infinite;
}

/* Hero canvas/orb decoration */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  z-index: -1;
  opacity: 0.6;
  animation: floatSlow 12s ease-in-out infinite;
}

.hero-orb-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.5) 0%, transparent 70%);
  top: 10%;
  right: 10%;
  animation-delay: 0s;
}

.hero-orb-2 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.5) 0%, transparent 70%);
  bottom: 20%;
  left: 10%;
  animation-delay: 4s;
}

.hero-orb-3 {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(255, 50, 130, 0.4) 0%, transparent 70%);
  top: 50%;
  left: 40%;
  animation-delay: 8s;
}

/* Glitch effect for text */
.glitch {
  position: relative;
  display: inline-block;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.glitch::before {
  color: #00d4ff;
  z-index: -1;
  animation: glitch 2s infinite linear alternate-reverse;
}

.glitch::after {
  color: #ff3282;
  z-index: -2;
  animation: glitch 2s infinite linear alternate;
}

/* Card hover effects */
.card-interactive {
  cursor: pointer;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-interactive::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--gradient-primary);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.5s;
}

.card-interactive:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 60px rgba(0, 212, 255, 0.3);
}

.card-interactive:hover::after {
  opacity: 0.05;
}

/* Tilt effect on cards */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.3s;
}

.tilt-card:hover {
  transform: perspective(1000px) rotateX(2deg) rotateY(-2deg);
}

/* Service card with number */
.service-card {
  position: relative;
  padding: var(--space-7) var(--space-6) var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-card-number {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.1;
  line-height: 1;
  transition: opacity var(--transition-base);
}

.service-card:hover .service-card-number {
  opacity: 0.3;
}

.service-card .card-icon {
  width: 64px;
  height: 64px;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-3);
}

.service-card p {
  margin-bottom: var(--space-4);
}

.service-card .feature-list {
  list-style: none;
  padding: 0;
}

.service-card .feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.service-card .feature-list li::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--color-primary);
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
}

/* Marquee animation */
.marquee {
  overflow: hidden;
  position: relative;
  width: 100%;
}

.marquee-track {
  display: flex;
  gap: var(--space-7);
  animation: marquee 30s linear infinite;
  width: max-content;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

/* Tech stack pill */
.tech-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.tech-pill:hover {
  background: rgba(0, 212, 255, 0.15);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.tech-pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 8px var(--color-primary);
}

/* Code block style */
.code-block {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text);
  overflow-x: auto;
  position: relative;
}

.code-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 30px;
  background: linear-gradient(180deg, rgba(0, 212, 255, 0.1), transparent);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.code-block .comment { color: #5a6378; }
.code-block .keyword { color: #ff6b35; }
.code-block .string { color: #06d6a0; }
.code-block .function { color: #00d4ff; }
.code-block .number { color: #ffd60a; }

/* Terminal cursor */
.cursor-blink::after {
  content: '_';
  margin-left: 4px;
  animation: codeBlink 1s infinite;
  color: var(--color-primary);
}

/* Loading bar animation */
.loading-bar {
  position: relative;
  height: 2px;
  background: rgba(0, 212, 255, 0.1);
  overflow: hidden;
  border-radius: 1px;
}

.loading-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 30%;
  height: 100%;
  background: var(--gradient-primary);
  animation: loading 2s ease-in-out infinite;
}

@keyframes loading {
  0% { left: -30%; }
  100% { left: 100%; }
}

/* Aurora background */
.aurora-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #00d4ff, #7c3aed, #ff3282, #00d4ff);
  background-size: 300% 300%;
  filter: blur(80px);
  opacity: 0.2;
  animation: aurora 12s ease infinite;
  pointer-events: none;
}

/* Hover scale effect */
.hover-scale {
  transition: transform var(--transition-base);
}

.hover-scale:hover {
  transform: scale(1.05);
}

/* Image hover effects */
.image-hover {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.image-hover img {
  transition: transform 1s ease;
}

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

/* Underline link animation */
.link-underline {
  position: relative;
  display: inline-block;
}

.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s ease;
}

.link-underline:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Number counter */
.counter {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-hover);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  animation: slideUp 0.4s ease-out;
  max-width: 360px;
}

.toast.success {
  border-color: var(--color-green);
  box-shadow: 0 0 20px rgba(6, 214, 160, 0.3);
}

.toast.error {
  border-color: var(--color-red);
  box-shadow: 0 0 20px rgba(239, 71, 111, 0.3);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

/* Accordion */
.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  overflow: hidden;
  background: var(--color-surface);
  transition: all var(--transition-base);
}

.accordion-item:hover {
  border-color: var(--color-border-hover);
}

.accordion-item.active {
  border-color: var(--color-primary);
}

.accordion-header {
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.accordion-header:hover {
  background: rgba(0, 212, 255, 0.05);
}

.accordion-icon {
  width: 24px;
  height: 24px;
  transition: transform var(--transition-base);
  color: var(--color-primary);
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-item.active .accordion-content {
  max-height: 800px;
}

.accordion-body {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Tabs */
.tabs-nav {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs-nav::-webkit-scrollbar {
  display: none;
}

.tabs-nav button {
  padding: var(--space-3) var(--space-5);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-text-muted);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.tabs-nav button.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tabs-panel {
  display: none;
  animation: fadeIn 0.4s ease;
}

.tabs-panel.active {
  display: block;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.badge-new {
  background: rgba(255, 50, 130, 0.1);
  border-color: rgba(255, 50, 130, 0.3);
  color: var(--color-magenta);
}

.badge-update {
  background: rgba(6, 214, 160, 0.1);
  border-color: rgba(6, 214, 160, 0.3);
  color: var(--color-green);
}

/* Skeleton loader */
.skeleton {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.05) 25%, rgba(255, 255, 255, 0.1) 50%, rgba(255, 255, 255, 0.05) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* Glassmorphism card */
.glass {
  background: rgba(15, 29, 58, 0.4);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Smooth image loading */
img {
  transition: opacity 0.3s ease;
}

/* Decorative */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  margin: var(--space-7) 0;
}

.glow-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  box-shadow: 0 0 10px var(--color-primary);
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}