/* ==========================================================================
   TECHTRICKYSOLUTIONS - ANIMATIONS AND TRANSITIONS
   ========================================================================== */

/* Slide Down for Sticky Header */
@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

/* Fade In Up for Scroll Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

/* Slide In Left */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.8s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

/* Slide In Right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.8s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

/* Pulse Border Animation for Video Play Button */
@keyframes pulseBorder {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.8;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.3);
        opacity: 0.4;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.6);
        opacity: 0;
    }
}

/* Floating Animation for Visual Accents */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0px);
    }
}

.floating {
    animation: float 4s ease-in-out infinite;
}

/* Rotate Animation for Background Shapes */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.spinning {
    animation: spin 20s linear infinite;
}

/* Scroll-triggered reveal class (manipulated by JS via Intersection Observer) */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1),
                transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

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

/* Staggered Container Scroll Reveals */
.reveal-container .reveal-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1),
                transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
    transition-delay: var(--reveal-delay, 0s);
}

.reveal-container.active .reveal-item {
    opacity: 1;
    transform: translateY(0);
}

/* Zoom Hover Effect for Project Cards and Team Profiles */
.zoom-hover {
    overflow: hidden;
    position: relative;
}

.zoom-hover img {
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.zoom-hover:hover img {
    transform: scale(1.08);
}