/* General Body Styles */
body {
    font-family: 'Poppins', sans-serif;
}

/* Custom CSS Variables for Colors */
:root {
    --spk-blue: #546de5;
    --spk-orange: #2c2c54;
    --spk-light-blue: #eef2ff;
}

/* Background and Text Color Utility Classes */
.bg-spk-blue { background-color: var(--spk-blue); }
.text-spk-blue { color: var(--spk-blue); }
.bg-spk-orange { background-color: var(--spk-orange); }
.text-spk-orange { color: var(--spk-orange); }
.border-spk-orange { border-color: var(--spk-orange); }
.bg-spk-light-blue { background-color: var(--spk-light-blue); }
.text-spk-new-blue { color: #546de5; }
.text-black-subheader { color: #000000; }

/* Hero Slider Animation */
.slide {
    display: none;
    transition: opacity 0.5s ease-in-out;
}
.slide.active {
    display: block;
}

/* Expanding Card for Courses */
.flip-card {
    position: relative;
    height: 16rem; /* Starting height for the card */
    overflow: hidden;
    transition: all 0.5s ease-in-out;
    cursor: pointer;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: opacity 0.5s ease-in-out;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
}

.flip-card-back {
    opacity: 0;
    visibility: hidden;
    height: 100%;
    text-align: left; /* Ensures text is left-aligned */
    padding: 1.5rem;
}

/* Hover state: Card expands and details are revealed */
.flip-card:hover {
    height: 22rem; /* Expanded height for the card */
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
}

.flip-card:hover .flip-card-front {
    opacity: 0;
    visibility: hidden;
}

.flip-card:hover .flip-card-back {
    opacity: 1;
    visibility: visible;
}

/* Continuous Scroll Animation for Logos and Testimonials */
@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.scroller[data-animated="true"] {
    overflow: hidden;
    -webkit-mask: linear-gradient(90deg, transparent, white 20%, white 80%, transparent);
    mask: linear-gradient(90deg, transparent, white 20%, white 80%, transparent);
}
.scroller-inner {
    display: flex;
    flex-wrap: nowrap;
    width: max-content;
    animation: scroll 40s linear infinite;
}

.scrolling-wrapper-fast {
    display: flex;
    width: max-content;
    animation: scroll 25s linear infinite;
}

/* --- New Animations --- */

/* For Home Page Hero Image - Floating right to left */
@keyframes float-rtl {
    0% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(-15px);
    }
    100% {
        transform: translateX(0);
    }
}

.hero-image-animation {
    animation: float-rtl 6s ease-in-out infinite;
}

/* For elements animated on scroll */
.animate-on-scroll {
    opacity: 0;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

/* Slide in from left effect */
.slide-in-from-left {
    transform: translateX(-50px);
}

/* This class is added by JS when the element is visible */
.is-visible {
    opacity: 1;
    transform: translateX(0);
}

/* For About Page Image - Popup Effect on Hover */
.image-popup-effect {
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.image-popup-effect:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
    cursor: pointer;
}