/* Loading Animation */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--white-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.loader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader-bar {
    width: 250px;
    height: 4px;
    background-color: #f1f1f1;
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}

.loader-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 30%;
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 2px;
    animation: loading 1.5s infinite ease-in-out;
}

@keyframes loading {
    0% {
        left: -30%;
    }
    100% {
        left: 130%;
    }
}

/* Text Animation */
.animate-text {
    position: relative;
    display: inline-block;
    overflow: hidden;
}

.animate-text::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-color);
    animation: textReveal 1.5s cubic-bezier(0.77, 0, 0.18, 1) forwards;
    transform: translateX(-101%);
}

@keyframes textReveal {
    0% {
        transform: translateX(-101%);
    }
    100% {
        transform: translateX(101%);
    }
}

/* Counter Animation */
.counter {
    display: inline-block;
}

/* Feature Card Animation */
.feature-card {
    transform: translateY(50px);
    opacity: 0;
    transition: transform 0.6s ease, opacity 0.6s ease;
}

.feature-card.animate {
    transform: translateY(0);
    opacity: 1;
}

/* Course Card Animation */
.course-card {
    transform: scale(0.95);
    opacity: 0;
    transition: transform 0.6s ease, opacity 0.6s ease, box-shadow 0.3s ease;
}

.course-card.animate {
    transform: scale(1);
    opacity: 1;
}

/* Testimonial Animation */
.testimonial-card {
    transform: translateX(-50px);
    opacity: 0;
    transition: transform 0.6s ease, opacity 0.6s ease;
}

.testimonial-card.animate {
    transform: translateX(0);
    opacity: 1;
}

/* Team Member Animation */
.team-member {
    transform: translateY(50px);
    opacity: 0;
    transition: transform 0.6s ease, opacity 0.6s ease, box-shadow 0.3s ease;
}

.team-member.animate {
    transform: translateY(0);
    opacity: 1;
}

/* Button Pulse Animation */
.btn-pulse {
    position: relative;
    overflow: hidden;
}

.btn-pulse::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.btn-pulse:focus:not(:active)::after {
    animation: pulse 1s ease-out;
}

@keyframes pulse {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    100% {
        transform: scale(20, 20);
        opacity: 0;
    }
}

/* Floating Animation */
.floating {
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
    100% {
        transform: translateY(0);
    }
}

/* Bounce Animation */
.bounce {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

/* Rotate Animation */
.rotate {
    animation: rotate 4s linear infinite;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Shake Animation */
.shake {
    animation: shake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes shake {
    10%, 90% {
        transform: translateX(-1px);
    }
    20%, 80% {
        transform: translateX(2px);
    }
    30%, 50%, 70% {
        transform: translateX(-4px);
    }
    40%, 60% {
        transform: translateX(4px);
    }
}

/* Fade In Animation */
.fade-in {
    animation: fadeIn 1s ease-in forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Slide In Animation */
.slide-in-left {
    animation: slideInLeft 1s ease-out forwards;
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.slide-in-right {
    animation: slideInRight 1s ease-out forwards;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.slide-in-top {
    animation: slideInTop 1s ease-out forwards;
}

@keyframes slideInTop {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.slide-in-bottom {
    animation: slideInBottom 1s ease-out forwards;
}

@keyframes slideInBottom {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}