.text-responsive {
    font-size: clamp(1rem, 4vw, 1.25rem);
}

.heading-responsive {
    font-size: clamp(1.875rem, 6vw, 3rem);
}

.mobile-touch-target {
    min-width: 44px;
    min-height: 44px;
}

.hover-scale {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-scale:hover {
    transform: translateY(-2px) scale(1.02);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.gradient-text {
    color: transparent;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

/* Utility delays for scroll-reveal transitions and small animations. */
.vs-delay-100 { transition-delay: 0.1s; }
.vs-delay-200 { transition-delay: 0.2s; }
.vs-delay-300 { transition-delay: 0.3s; }
.vs-delay-400 { transition-delay: 0.4s; }
.vs-delay-500 { transition-delay: 0.5s; }
.vs-anim-delay-1000 { animation-delay: 1s; }

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}