/* Enhanced Animations and Visibility Improvements */

/* ========================================
   KEYFRAME ANIMATIONS
   ======================================== */

/* Fade In Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Slide Animations */
@keyframes slideInUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

/* Scale Animations */
@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes zoomOut {
    from {
        opacity: 0;
        transform: scale(1.2);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
    }
}

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

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(0, 102, 204, 0.7);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(0, 102, 204, 0);
    }
}

/* Rotate Animations */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-200deg);
    }
    to {
        opacity: 1;
        transform: rotate(0);
    }
}

/* Shake Animation */
@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

/* Float Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

/* Gradient Animation */
@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Shimmer Effect */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* ========================================
   ANIMATION UTILITY CLASSES
   ======================================== */

/* Basic Animations */
.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.animate-fade-in-down {
    animation: fadeInDown 0.8s ease-out forwards;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.8s ease-out forwards;
}

.animate-fade-in-right {
    animation: fadeInRight 0.8s ease-out forwards;
}

.animate-slide-in-up {
    animation: slideInUp 0.6s ease-out forwards;
}

.animate-slide-in-down {
    animation: slideInDown 0.6s ease-out forwards;
}

.animate-zoom-in {
    animation: zoomIn 0.5s ease-out forwards;
}

.animate-zoom-out {
    animation: zoomOut 0.5s ease-out forwards;
}

.animate-bounce {
    animation: bounce 1s ease infinite;
}

.animate-bounce-in {
    animation: bounceIn 0.8s ease-out forwards;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

.animate-rotate {
    animation: rotate 2s linear infinite;
}

.animate-rotate-in {
    animation: rotateIn 0.8s ease-out forwards;
}

.animate-shake {
    animation: shake 0.5s ease-in-out;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* Delay Classes */
.delay-100 { animation-delay: 0.1s !important; }
.delay-200 { animation-delay: 0.2s !important; }
.delay-300 { animation-delay: 0.3s !important; }
.delay-400 { animation-delay: 0.4s !important; }
.delay-500 { animation-delay: 0.5s !important; }
.delay-600 { animation-delay: 0.6s !important; }
.delay-700 { animation-delay: 0.7s !important; }
.delay-800 { animation-delay: 0.8s !important; }

/* ========================================
   SCROLL-TRIGGERED ANIMATIONS
   ======================================== */

.scroll-animate {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-animate-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scroll-animate-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.scroll-animate-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scroll-animate-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scroll-animate-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* ========================================
   ENHANCED VISIBILITY IMPROVEMENTS
   ======================================== */

/* Better Text Shadows for Readability */
.text-shadow-sm {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.text-shadow-md {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
}

.text-shadow-lg {
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.5);
}

/* High Contrast Text */
.text-high-contrast {
    color: #ffffff !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
    font-weight: 600;
}

/* Background Overlays for Better Readability */
.overlay-dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.overlay-dark > * {
    position: relative;
    z-index: 2;
}

.overlay-darker::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

.overlay-darker > * {
    position: relative;
    z-index: 2;
}

/* Backdrop Blur for Glass Effect */
.backdrop-blur {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.backdrop-blur-sm {
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.backdrop-blur-lg {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* ========================================
   ENHANCED BUTTON ANIMATIONS
   ======================================== */

.btn-animated {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-animated::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-animated:hover::before {
    width: 300px;
    height: 300px;
}

.btn-animated:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-animated:active {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Shimmer Button Effect */
.btn-shimmer {
    position: relative;
    overflow: hidden;
}

.btn-shimmer::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.7s ease;
}

.btn-shimmer:hover::after {
    left: 100%;
}

/* ========================================
   CARD ANIMATIONS
   ======================================== */

.card-hover-lift {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover-lift:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 31, 63, 0.2);
}

.card-hover-glow {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover-glow:hover {
    box-shadow: 0 0 30px rgba(0, 102, 204, 0.4),
                0 10px 30px rgba(0, 31, 63, 0.2);
}

/* ========================================
   LOADING ANIMATIONS
   ======================================== */

.spinner {
    border: 3px solid rgba(0, 102, 204, 0.1);
    border-top: 3px solid #0066cc;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: rotate 1s linear infinite;
}

/* ========================================
   TEXT ANIMATIONS
   ======================================== */

.text-gradient-animated {
    background: linear-gradient(
        90deg,
        #003366,
        #0066cc,
        #3399ff,
        #0066cc,
        #003366
    );
    background-size: 200% auto;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 3s ease infinite;
}

/* Typing Effect */
@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

.typing-effect {
    overflow: hidden;
    border-right: 2px solid #0066cc;
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes blink-caret {
    from, to {
        border-color: transparent;
    }
    50% {
        border-color: #0066cc;
    }
}

/* ========================================
   ICON ANIMATIONS
   ======================================== */

.icon-hover-bounce {
    display: inline-block;
    transition: transform 0.3s ease;
}

.icon-hover-bounce:hover {
    animation: bounce 0.6s ease;
}

.icon-hover-rotate {
    display: inline-block;
    transition: transform 0.3s ease;
}

.icon-hover-rotate:hover {
    transform: rotate(360deg);
}

.icon-hover-shake {
    display: inline-block;
}

.icon-hover-shake:hover {
    animation: shake 0.5s ease;
}

/* ========================================
   RESPONSIVE ANIMATIONS
   ======================================== */

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Disable complex animations on mobile for performance */
@media (max-width: 768px) {
    .animate-float,
    .animate-pulse,
    .animate-rotate {
        animation: none;
    }
}

/* ========================================
   ENHANCED VISIBILITY UTILITIES
   ======================================== */

/* Better contrast backgrounds */
.bg-contrast-light {
    background-color: rgba(255, 255, 255, 0.95);
    color: #212529;
}

.bg-contrast-dark {
    background-color: rgba(0, 31, 63, 0.95);
    color: #ffffff;
}

/* Frosted glass effect with better readability */
.glass-effect {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 31, 63, 0.1);
}

.glass-effect-dark {
    background: rgba(0, 31, 63, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    color: #ffffff;
}

/* Ensure text is always readable */
.text-readable-light {
    color: #212529 !important;
    font-weight: 500;
}

.text-readable-dark {
    color: #ffffff !important;
    font-weight: 500;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Enhanced link visibility */
.link-visible {
    color: #0066cc !important;
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
    transition: all 0.3s ease;
}

.link-visible:hover {
    color: #003366 !important;
    text-decoration-thickness: 3px;
}