:root {
  --bg-primary: #050507;
  --bg-secondary: #0c0c12;
  --bg-card: #11111a;
  --bg-card-hover: #181825;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-strong: rgba(255, 255, 255, 0.15);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);
  --accent: #00d4ff;
  --accent-secondary: #7c3aed;
  --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
  --success: #10b981;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --radius: 12px;
  --radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 32px;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 48px;
  }
}

/* Typography */
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 640px;
  margin-bottom: 48px;
}

.accent-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Blur highlight text effect (React Bits style) */
.blur-highlight-text {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 2;
  text-align: justify;
}

.blur-highlight-text .blur-highlight-mark {
  display: inline;
  background: rgba(0, 212, 255, 0.18);
  color: var(--accent);
  padding: 2px 5px;
  margin: 0 1px;
  border-radius: 6px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  opacity: 0;
  filter: blur(6px);
  transform: translateY(4px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: calc(var(--mi) * 80ms);
}

.blur-highlight-text.animate .blur-highlight-mark {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(5, 5, 7, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-dot {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.6);
}

.logo span {
  font-weight: 700;
  color: var(--accent);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border-color-strong);
  border-radius: 8px;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
}

.menu-toggle:hover {
  background: var(--bg-card);
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
  }
  .menu-toggle {
    display: none;
  }
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(5, 5, 7, 0.98);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
  flex: 1;
}

.mobile-menu a {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--text-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #000;
}

.btn-primary:hover {
  background: #33ddff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.25);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color-strong);
}

.btn-outline:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-video video,
.hero-video iframe {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
  transform: scale(1.15);
}

@media (min-width: 1024px) {
  .hero-video video,
  .hero-video iframe {
    transform: scale(1.25);
    object-position: center 70%;
  }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(5, 5, 7, 0.6) 0%,
    rgba(5, 5, 7, 0.4) 40%,
    rgba(5, 5, 7, 0.85) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 96px;
  padding-bottom: 64px;
}

.hero-name {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 32px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  opacity: 0.9;
  transition: opacity 0.3s ease, filter 0.3s ease;
  animation: bounceHint 2s ease-in-out infinite;
  filter: drop-shadow(0 0 6px rgba(0, 212, 255, 0.35));
}

.hero-scroll-hint:hover {
  opacity: 1;
  filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.55));
}

.hero-scroll-hint svg {
  width: 36px;
  height: 36px;
  stroke-width: 2.5;
}

@keyframes bounceHint {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

@media (max-width: 768px) {
  .hero-scroll-hint {
    bottom: 20px;
    font-size: 0.7rem;
  }

  .hero-scroll-hint svg {
    width: 30px;
    height: 30px;
    stroke-width: 3;
  }
}

.hero-meta {
  position: relative;
  z-index: 2;
  margin-top: auto;
  padding-bottom: 32px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

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

.hero-meta-item {
  padding: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
}

.hero-meta-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.hero-meta-label {
  margin-top: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Sections */
.section {
  padding: 48px 0;
}

.section-alt {
  background: var(--bg-secondary);
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .card-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-strong);
  transform: translateY(-4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 12px;
  color: var(--accent);
  margin-bottom: 20px;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.card-text {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

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

.stat-card {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, rgba(124, 58, 237, 0.08) 100%);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  margin-top: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

@media (max-width: 767px) {
  .stats-grid {
    gap: 12px;
  }

  .stat-card {
    min-height: 120px;
    padding: 20px 10px;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.75rem;
  }
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-secondary) 100%);
}

@media (min-width: 768px) {
  .timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }
}

.timeline-item {
  position: relative;
  padding-left: 40px;
  margin-bottom: 48px;
}

@media (min-width: 768px) {
  .timeline-item {
    padding-left: 0;
    width: 50%;
  }
  .timeline-item:nth-child(odd) {
    margin-left: 50%;
    padding-left: 48px;
  }
  .timeline-item:nth-child(even) {
    padding-right: 48px;
    text-align: right;
    margin-left: 0;
  }
}

.timeline-dot {
  position: absolute;
  left: 0;
  top: 6px;
  width: 18px;
  height: 18px;
  background: var(--bg-primary);
  border: 3px solid var(--accent);
  border-radius: 50%;
  z-index: 2;
}

@media (min-width: 768px) {
  .timeline-dot {
    left: -9px;
    right: auto;
  }
  .timeline-item:nth-child(even) .timeline-dot {
    left: auto;
    right: -9px;
  }
}

.timeline-date {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 4px;
}

.timeline-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.timeline-company {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 12px;
}

.timeline-list {
  list-style: none;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.timeline-list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 6px;
}

.timeline-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

@media (min-width: 768px) {
  .timeline-item:nth-child(even) .timeline-list li {
    padding-left: 0;
    padding-right: 16px;
  }
  .timeline-item:nth-child(even) .timeline-list li::before {
    left: auto;
    right: 0;
  }
}

.timeline-highlight {
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(0, 212, 255, 0.06);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

@media (min-width: 768px) {
  .timeline-item:nth-child(even) .timeline-highlight {
    border-left: none;
    border-right: 3px solid var(--accent);
    border-radius: 8px 0 0 8px;
  }
}

/* Skills matrix */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.skill-category-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.skill-items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-item {
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

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

/* Work / Cases */
.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.case-card:hover {
  border-color: var(--border-color-strong);
  transform: translateY(-4px);
}

.case-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  background: linear-gradient(135deg, #1a1a2e 0%, #0f0f1a 100%);
}

.case-body {
  padding: 28px;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.case-tag {
  padding: 4px 12px;
  background: rgba(0, 212, 255, 0.08);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.case-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.case-summary {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 20px;
}

.case-section {
  margin-bottom: 16px;
}

.case-section-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.case-section-text {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.case-result {
  margin-top: 20px;
  padding: 16px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, rgba(124, 58, 237, 0.08) 100%);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--radius);
}

.case-result-title {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--accent);
}

.case-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.case-proof-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.case-proof-item:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.gallery-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.gallery-album {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.gallery-album img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.gallery-album-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery-album:hover .gallery-album-overlay {
  opacity: 1;
}

.gallery-album-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.gallery-album-count {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.75);
}

.gallery-section {
  padding-top: 64px;
  padding-bottom: 64px;
}

.gallery-section .section-title {
  text-align: left;
  margin-bottom: 30px;
}

.video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 64px;
}

@media (min-width: 768px) {
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  background: #000;
}

.video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-info {
  padding: 20px;
}

.video-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.video-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Insights */
.insights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

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

/* Case grid: 2 columns for readable case cards */
@media (min-width: 768px) {
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.insight-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.insight-card:hover {
  border-color: var(--border-color-strong);
  transform: translateY(-4px);
}

.insight-cover {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: linear-gradient(135deg, #1a1a2e 0%, #0f0f1a 100%);
}

.insight-body {
  padding: 24px;
}

.insight-date {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.insight-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
}

.insight-excerpt {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

/* Article page */
.article-header {
  padding-top: 140px;
  padding-bottom: 5px;
  text-align: center;
}

.article-header h1.page-header-title {
  font-family: 'Source Han Serif SC', 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  font-size: clamp(1.375rem, 4.5vw, 2.375rem);
  letter-spacing: 0.02em;
}

.article-section {
  padding-top: 30px;
}

.article-section .article-header {
  padding-top: 0;
}

.article-cover {
  width: 100%;
  max-width: 720px;
  max-height: 480px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin: 0 auto 48px;
  display: block;
}

.article-content {
  max-width: 720px;
  margin: 0 auto;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.9;
}

.article-content h2 {
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 48px;
  margin-bottom: 20px;
}

.article-content h3 {
  color: var(--text-primary);
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 12px;
}

.article-content p {
  margin-bottom: 20px;
}

.article-content ul {
  margin-bottom: 20px;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content strong {
  color: var(--text-primary);
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.article-content thead {
  background: var(--bg-card);
}

.article-content th,
.article-content td {
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  text-align: left;
  vertical-align: top;
}

.article-content th {
  font-weight: 600;
  color: var(--text-primary);
}

.article-content tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.article-content tbody tr:hover {
  background: rgba(0, 212, 255, 0.04);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1.2fr 1fr;
  }
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(0, 212, 255, 0.03);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 24px;
}

.contact-info-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.contact-item:last-child {
  margin-bottom: 0;
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 10px;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-item-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.contact-item-value {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
}

.qr-placeholder {
  width: 140px;
  height: 140px;
  background: #fff;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-size: 0.75rem;
  text-align: center;
  padding: 12px;
}

/* CTA section */
.cta-section {
  text-align: center;
  padding: 96px 0;
}

.cta-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-text {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 600;
  max-width: 560px;
  margin: 0 auto 32px;
}

/* Footer */
.footer {
  background: var(--bg-primary);
  padding: 48px 0 32px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Utility */
.text-center {
  text-align: center;
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }

.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.gap-2 {
  gap: 16px;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 20;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-stage {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 72px 64px 16px;
  min-height: 0;
}

.lightbox-content {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-media {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius);
  object-fit: contain;
}

video.lightbox-media {
  width: 100%;
  max-width: 960px;
  max-height: 100%;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10;
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-nav.prev {
  left: 16px;
}

.lightbox-nav.next {
  right: 16px;
}

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

.lightbox-counter {
  flex-shrink: 0;
  text-align: center;
  color: #fff;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 8px;
}

.lightbox-thumbs {
  flex-shrink: 0;
  display: flex;
  gap: 8px;
  padding: 12px 24px 24px;
  overflow-x: auto;
  background: rgba(0, 0, 0, 0.5);
  align-items: center;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.3) transparent;
}

.lightbox-thumbs::-webkit-scrollbar {
  height: 6px;
}

.lightbox-thumbs::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 3px;
}

.lightbox-thumb-wrapper {
  flex-shrink: 0;
  position: relative;
  width: 100px;
  height: 70px;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  opacity: 0.6;
  border: 2px solid transparent;
  transition: opacity 0.2s ease, border-color 0.2s ease;
  background: rgba(255, 255, 255, 0.05);
}

.lightbox-thumb-wrapper.active,
.lightbox-thumb-wrapper:hover {
  opacity: 1;
}

.lightbox-thumb-wrapper.active {
  border-color: #fff;
}

.lightbox-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lightbox-thumb-video {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: #fff;
}

.lightbox-thumb-play {
  opacity: 0.9;
}

@media (max-width: 640px) {
  .lightbox-stage {
    padding: 64px 48px 12px;
  }

  .lightbox-nav {
    width: 40px;
    height: 40px;
  }

  .lightbox-nav.prev {
    left: 8px;
  }

  .lightbox-nav.next {
    right: 8px;
  }

  .lightbox-thumbs {
    padding: 10px 16px 16px;
    gap: 6px;
  }

  .lightbox-thumb-wrapper {
    width: 80px;
    height: 56px;
  }

  .lightbox-close {
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
  }
}

/* Page header */
.page-header {
  padding-top: 140px;
  padding-bottom: 64px;
  text-align: center;
}

.page-header-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.page-header-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 600;
  max-width: 640px;
  margin: 0 auto;
}

/* Kinetic grid background inside page header */
.page-header {
  position: relative;
  overflow: hidden;
}

.kinetic-header {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.kinetic-header canvas,
.kinetic-bg canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.kinetic-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-header--video .page-header-video {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--bg-primary);
}

.page-header--video .page-header-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-header-video-crop {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  width: min(420px, 45vw);
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.page-header-video-crop video {
  object-position: 50% 50%;
  filter: invert(1);
  mix-blend-mode: screen;
}

.page-header--video {
  padding-bottom: 68px;
}

.page-header-video-crop {
  position: absolute;
  right: calc(5% + 130px);
  top: 50%;
  transform: translateY(calc(-50% + 50px));
  width: 306px;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.page-header--video .page-header-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(5, 5, 7, 0.65) 0%,
    rgba(5, 5, 7, 0.5) 100%
  );
  pointer-events: none;
}

.page-header--video .container {
  position: relative;
  z-index: 2;
}

/* ================= V2 Design Enhancements ================= */

/* Ambient mesh glow behind page headers & CTA */
.page-header,
.cta-section {
  position: relative;
  overflow: hidden;
}

.page-header::before,
.cta-section::before {
  content: '';
  position: absolute;
  inset: -40%;
  z-index: 0;
  animation: meshDrift 18s ease-in-out infinite alternate;
  pointer-events: none;
}

.page-header::before {
  background:
    radial-gradient(circle at 25% 35%, rgba(0, 212, 255, 0.14) 0%, transparent 45%),
    radial-gradient(circle at 75% 65%, rgba(124, 58, 237, 0.14) 0%, transparent 45%);
  filter: blur(70px);
  opacity: 0.8;
}

/* Softer ambient glow for CTA so it doesn't overpower the grid/text */
.cta-section::before {
  background:
    radial-gradient(circle at 70% 25%, rgba(0, 212, 255, 0.07) 0%, transparent 55%),
    radial-gradient(circle at 30% 80%, rgba(124, 58, 237, 0.07) 0%, transparent 55%);
  filter: blur(110px);
  opacity: 0.6;
}

@keyframes meshDrift {
  from { transform: translate(-4%, -4%) rotate(0deg); }
  to { transform: translate(4%, 4%) rotate(4deg); }
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.cta-section .container {
  position: relative;
  z-index: 3;
}

.page-header-title,
.cta-title {
  color: var(--accent);
  background: none;
  -webkit-background-clip: initial;
  -webkit-text-fill-color: var(--accent);
  background-clip: initial;
}

.cta-title,
.cta-text {
  color: var(--text-primary);
  -webkit-text-fill-color: var(--text-primary);
}

.cta-section .btn {
  position: relative;
  z-index: 4;
}

/* Subtle grid on alternate sections */
.section-alt {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: center top;
}

/* Card gradient border + lift */
.card {
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--accent-gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.card:hover::before {
  opacity: 1;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35), 0 0 32px rgba(0, 212, 255, 0.08);
}

/* Skill categories glow */
.skill-category {
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.skill-category::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--accent-gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 3;
}

.skill-category:hover {
  border-color: transparent;
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35), 0 0 32px rgba(0, 212, 255, 0.08);
}

.skill-category:hover::before {
  opacity: 1;
}

/* Stats glow + number gradient */
.stat-card {
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.25), 0 0 24px rgba(0, 212, 255, 0.08);
  border-color: rgba(0, 212, 255, 0.3);
}

.stat-number {
  background: linear-gradient(135deg, var(--accent) 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Case cards magazine treatment */
.case-card {
  position: relative;
}

.case-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--accent-gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 2;
}

.case-card:hover::before {
  opacity: 1;
}

.case-image {
  height: 260px;
  transition: transform 0.7s ease;
}

.case-card:hover .case-image {
  transform: scale(1.08);
}

.case-tag {
  background: rgba(0, 212, 255, 0.12);
  border: 1px solid rgba(0, 212, 255, 0.25);
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.case-tag:hover {
  background: rgba(0, 212, 255, 0.22);
  border-color: rgba(0, 212, 255, 0.55);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.18);
  transform: translateY(-2px);
}

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

.case-result::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--accent-gradient);
}

.case-result-title {
  letter-spacing: 0.04em;
}

/* Insight cards image zoom */
.insight-card {
  position: relative;
}

.insight-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--accent-gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 2;
}

.insight-card:hover::before {
  opacity: 1;
}

.insight-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3), 0 0 32px rgba(0, 212, 255, 0.06);
}

.insight-cover {
  transition: transform 0.7s ease;
}

.insight-card:hover .insight-cover {
  transform: scale(1.08);
}

/* Timeline dot pulse */
.timeline-dot {
  box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.4);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.4); }
  70% { box-shadow: 0 0 0 8px rgba(0, 212, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0); }
}

/* Contact cards glow */
.contact-form,
.contact-info-card {
  position: relative;
  transition: var(--transition);
}

.contact-form:hover,
.contact-info-card:hover {
  border-color: var(--border-color-strong);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3), 0 0 24px rgba(0, 212, 255, 0.05);
}

.contact-form:focus-within {
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3), 0 0 28px rgba(0, 212, 255, 0.08);
}

/* Footer tagline gradient */
.footer {
  position: relative;
}

.footer-tagline {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 500;
}

/* Tags & pills */
.tag {
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.08);
}

.case-tag {
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.08);
}

/* Refined nav */
.navbar {
  background: rgba(5, 5, 7, 0.72);
  border-bottom-color: rgba(255, 255, 255, 0.05);
}

/* Smooth fade animation with easing */
.animate-fade-in {
  animation: fadeIn 0.75s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Fallback: ensure content remains visible if JS fails to load or is disabled */
.no-js .card,
.no-js .case-card,
.no-js .insight-card,
.no-js .timeline-item,
.no-js .stat-card {
  opacity: 1 !important;
}

/* ================= Custom Cursor + Mouse Spotlight ================= */

@media (pointer: fine) {
  body.cursor-ready,
  body.cursor-ready a,
  body.cursor-ready button,
  body.cursor-ready .btn,
  body.cursor-ready .card,
  body.cursor-ready .case-card,
  body.cursor-ready .insight-card,
  body.cursor-ready .skill-category,
  body.cursor-ready .gallery-item,
  body.cursor-ready .contact-form,
  body.cursor-ready .contact-info-card,
  body.cursor-ready .wave-banner {
    cursor: none;
  }

  .cursor-dot,
  .cursor-ring {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    border-radius: 50%;
  }

  .cursor-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.9), 0 0 24px rgba(0, 212, 255, 0.4);
  }

  .cursor-ring {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(0, 212, 255, 0.5);
    box-shadow: 0 0 24px rgba(0, 212, 255, 0.12);
    transition: width 0.2s ease, height 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  }

  .cursor-ring.hover {
    width: 64px;
    height: 64px;
    border-color: rgba(0, 212, 255, 0.85);
    background: rgba(0, 212, 255, 0.06);
  }
}

@media (prefers-reduced-motion: reduce) {
  body,
  a,
  button,
  .btn,
  .card,
  .case-card,
  .insight-card,
  .gallery-item,
  .contact-form,
  .contact-info-card,
  .wave-banner {
    cursor: auto !important;
  }
}

/* Mouse spotlight on interactive surfaces */
.mouse-spotlight {
  position: relative;
  overflow: hidden;
}

.mouse-spotlight::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    500px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(0, 212, 255, 0.08),
    transparent 40%
  );
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
  z-index: 1;
}

.mouse-spotlight:hover::after {
  opacity: 1;
}

.mouse-spotlight > * {
  position: relative;
  z-index: 2;
}

/* ================= Wave Banner (universal dynamic banner) ================= */
.page-header--banner {
  padding-bottom: 20px;
}

.wave-banner + .section {
  padding-top: 20px;
}

.wave-banner {
  position: relative;
  width: 100%;
  height: 280px;
  background: #000000;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.wave-banner__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 3px rgba(0, 212, 255, 0.6));
}

.wave-banner:hover ~ .cursor-dot,
.wave-banner:hover ~ .cursor-ring {
  opacity: 0 !important;
}

.wave-banner__pointer {
  position: absolute;
  top: 0;
  left: 0;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
  z-index: 3;
  box-shadow: 0 0 14px rgba(0, 212, 255, 0.95), 0 0 28px rgba(0, 212, 255, 0.5);
  transform: translate3d(calc(var(--x, -100%) - 50%), calc(var(--y, -100%) - 50%), 0);
  will-change: transform;
  transition: opacity 0.2s ease;
}

@media (max-width: 768px) {
  .wave-banner {
    height: 180px;
  }
}