/* css custom properties */
:root {
  --primary-text: #ffffff;
  --secondary-text: #b0bec5;
  --accent-color: #ffffff;
  --accent-secondary: #808080;
  --bg-black: #000000;
  --bg-dark: #0a0a0a;
  --gradient-primary: linear-gradient(135deg, #808080 0%, #606060 100%);
  --gradient-accent: linear-gradient(135deg, #ffffff 0%, #cccccc 100%);
  --font-display: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  --font-serif: 'Playfair Display', serif;
  --section-padding: 12rem 2rem;
  --container-max: 1400px;
  --border-radius: 24px;
  --glass-bg: rgba(255, 255, 255, 0.02);
  --glass-border: rgba(255, 255, 255, 0.1);
}

/* reset & base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
}

html {
  scroll-behavior: auto;
  font-size: 16px;
}

body {
  font-family: var(--font-display);
  line-height: 1.6;
  color: var(--primary-text);
  background: var(--bg-black);
  overflow-x: hidden;
  text-transform: lowercase;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE and Edge */
}

/* Hide scrollbar for Chrome, Safari and Opera */
body::-webkit-scrollbar {
  display: none;
}

html {
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE and Edge */
}

html::-webkit-scrollbar {
  display: none;
}

/* navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 2rem 3rem;
  backdrop-filter: blur(20px);
  background: rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.nav.scrolled {
  padding: 1rem 3rem;
  background: rgba(0, 0, 0, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--primary-text);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
}

.nav-logo:hover {
  color: var(--accent-color);
  transform: translateY(-1px);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 3rem;
  align-items: center;
}

.nav-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-weight: 400;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  position: relative;
  transition: all 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

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

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

.nav-link.active {
  color: var(--accent-color);
}

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

/* Language Switcher - Futuristic Orb */
.lang-switcher {
  position: relative;
  margin-left: 2rem;
}

.lang-orb {
  position: relative;
  width: 50px;
  height: 50px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.lang-orb:hover {
  transform: scale(1.1);
}

.lang-current {
  position: relative;
  z-index: 3;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: #fff;
  text-transform: uppercase;
  transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
  from { text-shadow: 0 0 5px rgba(255, 255, 255, 0.3), 0 0 10px rgba(255, 255, 255, 0.2); }
  to { text-shadow: 0 0 8px rgba(255, 255, 255, 0.4), 0 0 15px rgba(255, 255, 255, 0.3); }
}

.lang-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(92, 69, 255, 0.1) 0%, transparent 70%);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.2); opacity: 0.8; }
}

.lang-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px solid;
  border-image: linear-gradient(90deg, #5c45ff 0%, #e69cd9 100%) 1;
  border-radius: 50%;
  animation: rotate 10s linear infinite;
}

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

.lang-orb.switching .lang-current {
  animation: switchText 0.5s ease;
}

@keyframes switchText {
  0% { transform: rotateY(0deg); opacity: 1; }
  50% { transform: rotateY(90deg); opacity: 0; }
  100% { transform: rotateY(0deg); opacity: 1; }
}

/* Text transition animations */
[data-lang-key] {
  position: relative;
  transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.lang-transitioning [data-lang-key] {
  animation: textFlip 0.6s ease;
}

@keyframes textFlip {
  0% { 
    transform: translateY(0) rotateX(0deg);
    opacity: 1;
  }
  40% {
    transform: translateY(-10px) rotateX(90deg);
    opacity: 0;
  }
  60% {
    transform: translateY(10px) rotateX(-90deg);
    opacity: 0;
  }
  100% {
    transform: translateY(0) rotateX(0deg);
    opacity: 1;
  }
}

/* hero section with 3d background */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--bg-black);
}

.hero-3d {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1000px;
  padding: 0 2rem;
  animation: fadeInUp 2s ease-out;
}

.hero-title {
  font-size: clamp(4rem, 10vw, 9rem);
  font-weight: 300;
  font-family: var(--font-serif);
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 25%, #ffffff 50%, #f1f3f4 75%, #e8eaed 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 80px rgba(255, 255, 255, 0.1);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  line-height: 0.9;
  text-transform: lowercase;
  position: relative;
}

.hero-title::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.6) 50%, transparent 100%);
  opacity: 0.7;
  animation: pulse 3s ease-in-out infinite;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 3.5rem;
  font-family: var(--font-display);
  opacity: 0.9;
  letter-spacing: 0.15em;
  max-width: 40rem;
  animation: fadeInUp 2s ease-out 0.3s both;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 3rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-weight: 300;
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: all 0.4s ease;
  backdrop-filter: blur(20px);
  font-family: var(--font-display);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 2s ease-out 0.6s both;
}

.hero-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.6s ease;
}

.hero-cta:hover::before {
  left: 100%;
}

.hero-cta:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(255, 255, 255, 0.15);
  color: var(--primary-text);
}

/* scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

.scroll-arrow {
  width: 1px;
  height: 2.5rem;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.5));
  position: relative;
}

.scroll-arrow::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 3px solid transparent;
  border-right: 3px solid transparent;
  border-top: 6px solid rgba(255, 255, 255, 0.5);
}

/* main content */
.main-content {
  background: var(--bg-black);
  position: relative;
  z-index: 3;
}

/* sections */
.section {
  position: relative;
  padding: var(--section-padding);
  background: var(--bg-black);
}

.section-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.section-header {
  margin: 0 auto 3rem auto;
  text-align: left;
  max-width: 1000px;
}

.section-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1;
  letter-spacing: 0.04em;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 70%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* stack */
.stack-section .stack-3d {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.65;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}

.stack-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 1.4rem 1.4rem;
  position: relative;
  transform: perspective(800px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transform-style: preserve-3d;
  transition: border-color 0.3s ease, transform 0.25s ease, background 0.3s ease;
  backdrop-filter: blur(14px);
}

.stack-card:hover {
  transform: perspective(800px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateY(-2px);
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
}

.stack-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.stack-card-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 1.6rem;
}

.level-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.level-badge.level-strong {
  border-color: rgba(255, 255, 255, 0.4);
}

.level-badge.level-beginner {
  border-color: rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.65);
}

.stack-card-desc {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.8rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  display: inline-block;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

/* benefits */
.benefits-section .benefits-3d {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.65;
}

.benefits-lead {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(1.25rem, 3vw, 2rem);
  line-height: 1.2;
  margin: 0 0 1.5rem 0;
  background: linear-gradient(135deg, #e6f0ff 0%, #ffffff 70%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}

.benefit-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 1.2rem 1.2rem;
  transition: border-color 0.3s ease, transform 0.3s ease, background 0.3s ease;
  backdrop-filter: blur(14px);
}

.benefit-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
}

.benefit-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 1.3rem;
  margin-bottom: 0.4rem;
}

.benefit-text {
  color: rgba(255, 255, 255, 0.75);
}

/* pricing section */
.pricing-section {
  position: relative;
  padding: var(--section-padding);
  background: var(--bg-black);
  overflow: hidden;
}

.pricing-3d {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.pricing-list {
  list-style: none;
  margin-top: 4rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.pricing-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: .5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
}

.pricing-item:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.pricing-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(90deg, #5c45ff 0%, #e69cd9 100%);
  transform: scaleY(0);
  transition: transform 0.3s ease;
  transform-origin: center;
}

.pricing-item:hover {
  padding-left: 1rem;
  background: rgba(255, 255, 255, 0.02);
}

.pricing-item:hover::before {
  transform: scaleY(1);
}

.pricing-icon {
  font-size: 1.5rem;
  color: #e69cd9;
  font-family: var(--font-mono);
  min-width: 3rem;
  text-align: center;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pricing-icon img {
  width: 18px;
  height: 18px;
  filter: brightness(0) saturate(100%) invert(89%) sepia(19%) saturate(1049%) hue-rotate(273deg) brightness(98%) contrast(93%);
  transition: all 0.3s ease;
}

.pricing-item:hover .pricing-icon {
  color: #5c45ff;
  transform: scale(1.1);
}

.pricing-item:hover .pricing-icon img {
  filter: brightness(0) saturate(100%) invert(36%) sepia(85%) saturate(3245%) hue-rotate(238deg) brightness(103%) contrast(102%);
}

.pricing-title {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--primary-text);
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

.pricing-divider {
  color: rgba(255, 255, 255, 0.2);
  font-family: var(--font-mono);
}

.pricing-timeline {
  font-size: 0.9rem;
  color: var(--secondary-text);
  font-family: var(--font-mono);
  opacity: 0.7;
  min-width: 150px;
}

.pricing-price {
  font-size: 1.4rem;
  font-weight: 500;
  background: linear-gradient(90deg, #5c45ff 0%, #e69cd9 50%, #5c45ff 100%);
  background-size: 200% 100%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  min-width: 120px;
  text-align: right;
  animation: priceShimmer 2.5s ease-in-out infinite;
}

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

@media (max-width: 768px) {
  .pricing-item {
    flex-wrap: wrap;
    padding: 1.5rem 0;
  }
  
  .pricing-divider {
    display: none;
  }
  
  .pricing-timeline {
    order: 3;
    width: 100%;
    margin-top: 0.5rem;
    min-width: auto;
  }
  
  .pricing-price {
    order: 2;
    text-align: left;
    min-width: auto;
  }
}

/* contact */
.contact-section .contact-3d {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.65;
}

.contact-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  backdrop-filter: blur(14px);
}

.contact-text {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 1.4rem;
}

.contact-actions {
  display: flex;
  gap: 0.8rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.6rem;
  border-radius: 6px;
  text-decoration: none;
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 300;
  transition: all 0.35s ease;
}

.btn-glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: rgba(255, 255, 255, 0.9);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(255, 255, 255, 0.12);
  color: var(--primary-text);
}

.btn-pill {
  border-radius: 999px;
  padding: 0.95rem 1.6rem;
}

.btn-outline {
  position: relative;
  border: 1px solid transparent;
  background: linear-gradient(var(--bg-black), var(--bg-black)) padding-box,
              linear-gradient(135deg, rgba(255,255,255,0.35), rgba(255,255,255,0.1)) border-box;
  color: rgba(255, 255, 255, 0.92);
}

.btn-outline:hover {
  box-shadow: 0 12px 40px rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
}

.btn-outline::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(120px 40px at var(--gx, 50%) var(--gy, 50%), rgba(255,255,255,0.12), transparent 60%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.btn-outline:hover::before {
  opacity: 1;
}

.btn-outline::after {
  content: '↗';
  margin-left: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.95em;
  opacity: 0.8;
  transform: translateX(0);
  transition: transform 0.35s ease, opacity 0.35s ease;
}

.btn-outline:hover::after {
  transform: translateX(4px);
  opacity: 1;
}

/* animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-15px);
  }
  60% {
    transform: translateX(-50%) translateY(-8px);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.7;
    transform: translateX(-50%) scaleX(1);
  }
  50% {
    opacity: 1;
    transform: translateX(-50%) scaleX(1.2);
  }
}

/* 3d canvas styles */
canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

/* responsive design */
@media (max-width: 1024px) {
  .nav-content {
    padding: 0 2rem;
  }
}

@media (max-width: 768px) {
  .nav {
    padding: 1.5rem 2rem;
  }
  
  .nav-menu {
    display: none;
  }
  
  .hero-content {
    padding: 0 1rem;
  }
  
  .hero-cta {
    padding: 1rem 2rem;
    font-size: 0.9rem;
  }
  
  :root {
    --section-padding: 10rem 2rem;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 600px;
  }
  
  .scroll-indicator {
    bottom: 2rem;
  }
  
  :root {
    --section-padding: 8rem 1.5rem;
  }
}

/* high contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --primary-text: #ffffff;
    --secondary-text: #ffffff;
    --accent-color: #ffffff;
  }
  
  .hero-title {
    -webkit-text-fill-color: white;
    background: none;
  }
}

/* reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* micro-interactions & decorative effects */
.nav-link:hover::after,
.nav-link.active::after {
  background: linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,0.9), rgba(255,255,255,0));
  background-size: 200% 100%;
  animation: underlineFlow 3.5s linear infinite;
}

@keyframes underlineFlow {
  0% { background-position: 0% 0; }
  100% { background-position: 200% 0; }
}

.stack-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(120px 80px at var(--gx, 50%) var(--gy, 50%), rgba(255,255,255,0.16), transparent 60%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.stack-card:hover::after {
  opacity: 1;
}

.cursor-halo {
  position: fixed;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 2000;
  background: radial-gradient(closest-side, rgba(255,255,255,0.25), rgba(255,255,255,0.08), rgba(255,255,255,0));
  mix-blend-mode: screen;
  transform: translate(-50%, -50%) scale(1);
  opacity: 0.8;
  transition: opacity 0.2s ease, transform 0.12s ease;
}

.cursor-halo.is-active {
  transform: translate(-50%, -50%) scale(1.6);
  opacity: 1;
}

.cursor-halo.is-hidden {
  opacity: 0;
}

.scroll-progress {
  position: fixed;
  right: 10px;
  top: 0;
  width: 2px;
  height: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0), rgba(255,255,255,0.7));
  border-radius: 2px;
  z-index: 1500;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.25);
}

@media (prefers-reduced-motion: reduce) {
  .cursor-halo,
  .scroll-progress { display: none; }
}