/* Reveal animations */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
    will-change: opacity, transform;
}

.reveal-on-scroll.active {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delays for groups */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }

/* Navbar scroll state */
nav .navbar-container {
    transition: all 0.4s ease;
}

nav.scrolled .navbar-container {
    background: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(16px);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

nav.scrolled {
    padding-top: 1rem; /* Slight reduction in top padding */
}

/* Button micro-interactions */
.btn-hover-effect {
    position: relative;
    overflow: hidden;
}

.btn-hover-effect::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.5s;
    pointer-events: none;
}

.btn-hover-effect:hover::after {
    transform: translate(-50%, -50%) scale(1);
}

/* Text spotlight effect */
.hover-spotlight {
    background: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0) 40%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0) 60%
    );
    background-size: 200% 200%;
    background-position: 100% 0;
    transition: background-position 0.5s;
}

.hover-spotlight:hover {
    background-position: 0 0;
}