/* ===== BIOPLANT SCROLL ANIMATIONS ===== */

/* Scroll Progress Bar */
#scrollProgress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    z-index: 9999;
    background: linear-gradient(90deg, #4ade80, #22c55e);
    width: 0%;
    transition: width 0.1s linear;
    box-shadow: 0 0 10px rgba(74, 222, 128, 0.5);
    pointer-events: none;
}

/* Base fade-in */
.fade-in {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Fade-in from left */
.fade-in-left {
    opacity: 0;
    transform: translateX(-80px) rotate(-2deg);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0) rotate(0deg);
}

/* Fade-in from right */
.fade-in-right {
    opacity: 0;
    transform: translateX(80px) rotate(2deg);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0) rotate(0deg);
}

/* Fade-in scale */
.fade-in-scale {
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* Fade-in blur (blur-to-sharp) */
.fade-in-blur {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    filter: blur(10px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1), filter 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in-blur.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
}

/* Fade-in 3D flip */
.fade-in-flip {
    opacity: 0;
    transform: perspective(800px) rotateY(25deg) translateX(40px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in-flip.visible {
    opacity: 1;
    transform: perspective(800px) rotateY(0deg) translateX(0);
}

/* Reveal-line (animated underline) */
.reveal-line {
    position: relative;
    display: inline-block;
}
.reveal-line::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #4ade80, #22c55e);
    transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: 2px;
}
.reveal-line.visible::after {
    width: 100%;
}

/* Glow hover */
.glow-hover {
    transition: box-shadow 0.4s ease, transform 0.3s ease;
}
.glow-hover:hover {
    box-shadow: 0 0 40px rgba(74, 222, 128, 0.15), 0 0 80px rgba(74, 222, 128, 0.05);
}

/* 3D tilt card */
.tilt-card {
    transform-style: preserve-3d;
    transition: transform 0.15s ease-out;
}

/* Stagger delay for children */
.stagger > *:nth-child(1) { transition-delay: 0s; }
.stagger > *:nth-child(2) { transition-delay: 0.1s; }
.stagger > *:nth-child(3) { transition-delay: 0.2s; }
.stagger > *:nth-child(4) { transition-delay: 0.3s; }
.stagger > *:nth-child(5) { transition-delay: 0.4s; }
.stagger > *:nth-child(6) { transition-delay: 0.5s; }
.stagger > *:nth-child(7) { transition-delay: 0.6s; }
.stagger > *:nth-child(8) { transition-delay: 0.7s; }