/* ===================================
   Animations
   =================================== */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes slideUpFade {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(50px, -50px) scale(1.1);
    }

    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transition: all var(--transition-slow);
}

.animate-on-scroll.fade-up {
    transform: translateY(30px);
}

.animate-on-scroll.fade-left {
    transform: translateX(30px);
}

.animate-on-scroll.fade-right {
    transform: translateX(-30px);
}

.animate-on-scroll.scale-in {
    transform: scale(0.95);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translate(0) scale(1);
}

/* Sub-Services Grid */
.sub-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.sub-service-card {
    background: var(--bg-card, #fff);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color, rgba(0, 0, 0, 0.1));
    display: flex;
    flex-direction: column;
}

.sub-service-card h4 {
    padding: 1.5rem;
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-700, #333);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color, rgba(0, 0, 0, 0.1));
}

/* Marquee Animation */
@keyframes marquee {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

@keyframes marquee-reverse {
    0% {
        transform: translateX(-50%);
    }

    100% {
        transform: translateX(0);
    }
}