#landing-view {
  position: relative;
  overflow: hidden;
}

.landing-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--landing-gradient-start),
    var(--landing-gradient-mid) 50%,
    var(--landing-gradient-end)
  );
  overflow: hidden;
}

#particle-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 32px;
}

.hero-logo {
  width: clamp(72px, 10vw, 110px);
  margin: 0 auto 20px;
  filter: drop-shadow(0 0 24px rgba(167, 139, 250, 0.35)) drop-shadow(0 0 48px rgba(192, 132, 252, 0.15));
  animation: fadeSlideUp 0.8s ease backwards;
}

.hero-logo svg {
  display: block;
  width: 100%;
  height: auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius-full);
  color: #c4b5fd;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 28px;
  animation: fadeSlideUp 0.8s ease 0.1s backwards;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #a78bfa;
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  color: #ffffff;
  margin-bottom: 20px;
  animation: fadeSlideUp 0.8s ease 0.2s backwards;
}

.hero-title .bloom-text {
  background: linear-gradient(135deg, #a78bfa, #c084fc, #e879f9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 30px rgba(167, 139, 250, 0.4));
}

.hero-subtitle {
  font-size: clamp(16px, 2.5vw, 20px);
  color: #9ca3af;
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.6;
  animation: fadeSlideUp 0.8s ease 0.3s backwards;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeSlideUp 0.8s ease 0.4s backwards;
}

.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-lg);
  font-size: 16px;
  font-weight: 600;
  transition: all var(--transition-normal);
  text-decoration: none;
  cursor: pointer;
}

.btn-hero-primary {
  background: linear-gradient(135deg, #7c3aed, #8b5cf6);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(124, 58, 237, 0.4);
}

.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(124, 58, 237, 0.5);
  text-decoration: none;
  color: #ffffff;
}

.btn-hero-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #e5e7eb;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
}

.btn-hero-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
  text-decoration: none;
  color: #ffffff;
}

.btn-hero svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.landing-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s ease-in-out infinite;
  z-index: 2;
}

.landing-scroll-hint svg {
  width: 24px;
  height: 24px;
  fill: rgba(255, 255, 255, 0.4);
}

.landing-section {
  padding: 100px 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  margin-bottom: 16px;
}

.section-description {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  position: relative;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-primary);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--accent-primary);
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.project-card {
  position: relative;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: 24px;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  color: inherit;
  display: block;
}

.project-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-primary);
  text-decoration: none;
  color: inherit;
}

.project-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.project-card-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.project-card-icon svg {
  width: 18px;
  height: 18px;
  fill: var(--accent-primary);
}

.project-card h3 {
  font-size: 16px;
  font-weight: 600;
}

.project-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.project-card-tag {
  display: inline-block;
  margin-top: 12px;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.papers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.paper-card {
  position: relative;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: 28px;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  color: inherit;
  display: block;
}

.paper-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-primary);
  text-decoration: none;
  color: inherit;
}

.paper-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
}

.paper-card .paper-subtitle {
  font-size: 13px;
  color: var(--accent-primary);
  margin-bottom: 12px;
}

.paper-card .paper-meta {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

.paper-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.card-particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  border-radius: inherit;
}

.feature-card > :not(.card-particle-canvas),
.project-card > :not(.card-particle-canvas),
.paper-card > :not(.card-particle-canvas) {
  position: relative;
  z-index: 1;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

.site-footer {
  padding: 60px 32px 0;
  color: var(--text-tertiary);
  font-size: 13px;
  line-height: 1.8;
  border-top: 1px solid var(--border-primary);
  max-width: 1200px;
  margin: 0 auto;
}

.site-footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-column h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.footer-column h4:not(:first-child) {
  margin-top: 20px;
}

.footer-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-column li {
  margin-bottom: 6px;
}

.footer-column a {
  font-size: 13px;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid var(--border-primary);
  padding: 24px 0 32px;
  text-align: center;
  font-size: 12px;
  line-height: 1.8;
}

.footer-bottom p {
  margin: 0 0 4px;
}

.footer-bottom-links {
  margin-top: 8px;
}

.footer-sep {
  margin: 0 6px;
  color: var(--text-tertiary);
}

@media (max-width: 768px) {
  .landing-section { padding: 60px 20px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .btn-hero { width: 100%; max-width: 280px; justify-content: center; }
  .projects-grid { grid-template-columns: 1fr; }
  .papers-grid { grid-template-columns: 1fr; }
  .site-footer { padding: 40px 20px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}