/* 入场动画 */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

/* 导航栏滚动毛玻璃 */
#navbar.scrolled {
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 1px 12px rgba(0,0,0,0.04);
}

.dark #navbar.scrolled {
  background: rgba(9,9,11,0.75);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

/* 卡片玻璃拟态（可选增强） */
.project-card {
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

/* 滚动条美化 */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.25); border-radius: 9999px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.5); }

/* line-clamp 兼容 */
.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* AOS 自定义覆盖 */
[data-aos] { pointer-events: none; }
[data-aos].aos-animate { pointer-events: auto; }