/* ==========================================================================
   Modern UI Interactions & Animations
   Optimized for performance with transform and opacity
   ========================================================================== */

/* Smooth transitions for all interactive elements */
.btn,
.nav-link,
.card,
.form-control,
.dropdown-item {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Button interactions */
.btn {
    position: relative;
    overflow: hidden;
    transform: translateY(0);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn:active {
    transform: translateY(0);
}

/* Ripple effect for buttons */
.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.6s ease-out;
    opacity: 0;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
    opacity: 1;
}

/* Card hover effects */
.card {
    transform: translateY(0);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* Image hover effects (excluding logos) */
.hover-zoom {
    overflow: hidden;
}

.hover-zoom img:not(.navbar-brand img):not(.center-logo) {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-zoom:hover img:not(.navbar-brand img):not(.center-logo) {
    transform: scale(1.05);
}

/* Navigation link effects */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: currentColor;
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Form input focus effects */
.form-control {
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.25);
    transform: translateY(-1px);
}

/* Dropdown menu animations */
.dropdown-menu {
    transform-origin: top;
    animation: dropdownFade 0.2s ease forwards;
}

@keyframes dropdownFade {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Modal animations */
.modal.fade .modal-dialog {
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.modal.show .modal-dialog {
    transform: scale(1);
}

/* Scroll reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Loading spinner animation */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top-color: #0d6efd;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Pulse animation for notifications */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Shake animation for error states */
.shake {
    animation: shake 0.82s cubic-bezier(.36,.07,.19,.97) both;
}

@keyframes shake {
    10%, 90% { transform: translate3d(-1px, 0, 0); }
    20%, 80% { transform: translate3d(2px, 0, 0); }
    30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
    40%, 60% { transform: translate3d(4px, 0, 0); }
}

/* Global transition effects */
* {
    transition: all 0.3s ease-in-out;
}

/* Disable transitions for logos */
.navbar-brand,
.navbar-brand img,
.navbar-brand:hover,
.navbar-brand:hover img,
.center-logo,
.center-logo:hover,
.center-logo img,
.center-logo img:hover {
    transition: none !important;
    transform: none !important;
    animation: none !important;
    opacity: 1 !important;
    filter: none !important;
}

/* Image hover effects - excluding logo */
.img-hover {
    transition: transform 0.3s ease;
}

.img-hover:hover {
    transform: scale(1.05);
}

/* Dropdown menu animation */
.dropdown-menu {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Modal animation */
.modal.fade .modal-dialog {
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.modal.show .modal-dialog {
    transform: scale(1);
}

/* Loading animation */
.loading {
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: loading 1.5s infinite;
}

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

/* Responsive animations */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
}