/* ===========================
   KEYFRAMES
   =========================== */

/* Cosmic orb breathing */
@keyframes orb-breathe {
  0%, 100% {
    transform: translate(-50%, -55%) scale(1);
  }
  33% {
    transform: translate(-45%, -50%) scale(1.06);
  }
  66% {
    transform: translate(-55%, -58%) scale(0.94);
  }
}

@keyframes orb-drift {
  0%, 100% {
    transform: translate(-30%, -20%) scale(1);
  }
  50% {
    transform: translate(-20%, -30%) scale(1.08);
  }
}

/* Scroll indicator pulse */
@keyframes scroll-pulse {
  0%, 100% {
    opacity: 0.4;
    transform: scaleY(1);
  }
  50% {
    opacity: 1;
    transform: scaleY(1.3);
    transform-origin: top;
  }
}

/* Marquee */
@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===========================
   HERO ENTRANCE — GSAP 控制初始状态
   初始隐藏由 JS gsap.set() 执行，
   不依赖 CSS opacity:0 避免与 ScrollTrigger 冲突
   =========================== */

/* ===========================
   GSAP ANIMATION INITIAL STATES
   =========================== */
.anim-fade-up {
  opacity: 0;
  transform: translateY(50px);
}

.anim-fade-left {
  opacity: 0;
  transform: translateX(-50px);
}

.anim-fade-right {
  opacity: 0;
  transform: translateX(50px);
}

.anim-stagger > * {
  opacity: 0;
  transform: translateY(30px);
}