/* ================================================
   ANIMASI SCROLL - Bimbel Bintang Cemerlang
   Elemen muncul dengan smooth saat di-scroll
   ================================================ */

/* Base state - semua elemen dimulai tersembunyi */
.anim-fade-up,
.anim-fade-left,
.anim-fade-right,
.anim-zoom,
.anim-fade {
    opacity: 0;
    transition: opacity 0.7s ease, transform 0.7s ease;
    will-change: opacity, transform;
}

.anim-fade-up    { transform: translateY(50px); }
.anim-fade-left  { transform: translateX(-60px); }
.anim-fade-right { transform: translateX(60px); }
.anim-zoom       { transform: scale(0.85); }
.anim-fade       { transform: none; }

/* Visible state - saat sudah terlihat di viewport */
.anim-fade-up.visible,
.anim-fade-left.visible,
.anim-fade-right.visible,
.anim-zoom.visible,
.anim-fade.visible {
    opacity: 1;
    transform: none;
}

/* Delay stagger untuk elemen berurutan */
.anim-delay-1 { transition-delay: 0.1s; }
.anim-delay-2 { transition-delay: 0.2s; }
.anim-delay-3 { transition-delay: 0.3s; }
.anim-delay-4 { transition-delay: 0.4s; }
.anim-delay-5 { transition-delay: 0.5s; }
.anim-delay-6 { transition-delay: 0.6s; }