/* ===================================
   Modern Visual Effects & Enhancements
   =================================== */

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: #f7fafc;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46a1 100%);
}

/* Selection Color */
::selection {
    background: rgba(102, 126, 234, 0.25);
    color: #1a202c;
}

::-moz-selection {
    background: rgba(102, 126, 234, 0.25);
    color: #1a202c;
}

/* Enhanced Focus States */
*:focus-visible {
    outline: 3px solid rgba(102, 126, 234, 0.4);
    outline-offset: 2px;
}

/* Glassmorphism Effect */
.glass-effect {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Gradient Borders */
.gradient-border {
    position: relative;
    background: white;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gradient-border:hover::before {
    opacity: 1;
}

/* Animated Background Patterns */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.shimmer-effect {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.4) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 3s infinite;
}

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

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

/* Pulse Animation */
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.4);
    }
    50% {
        box-shadow: 0 0 40px rgba(102, 126, 234, 0.8);
    }
}

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

/* Card Shine Effect */
.card-shine {
    position: relative;
    overflow: hidden;
}

.card-shine::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    bottom: -50%;
    left: -50%;
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0)
    );
    transform: rotate(45deg) translateX(-100%);
    transition: transform 0.6s;
}

.card-shine:hover::after {
    transform: rotate(45deg) translateX(100%);
}

/* 3D Card Tilt Effect */
.card-3d {
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

.card-3d:hover {
    transform: perspective(1000px) rotateX(2deg) rotateY(-2deg);
}

/* Loading Skeleton */
@keyframes skeleton-loading {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

.skeleton {
    background: linear-gradient(
        90deg,
        #f0f0f0 0px,
        #e0e0e0 40px,
        #f0f0f0 80px
    );
    background-size: 200px 100%;
    animation: skeleton-loading 1.5s infinite;
}

/* Gradient Text Hover */
.gradient-text-hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: background-position 0.5s ease;
}

.gradient-text-hover:hover {
    background-position: 100% 0%;
}

/* Icon Bounce */
@keyframes icon-bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

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

/* Ripple Effect */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple:active::before {
    width: 300px;
    height: 300px;
}

/* Neon Glow Text */
.neon-glow {
    text-shadow: 
        0 0 10px rgba(102, 126, 234, 0.8),
        0 0 20px rgba(102, 126, 234, 0.6),
        0 0 30px rgba(102, 126, 234, 0.4),
        0 0 40px rgba(118, 75, 162, 0.3);
}

/* Stagger Animation Delays */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

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

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

/* Scale In Animation */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.scale-in {
    animation: scaleIn 0.6s ease-out forwards;
}

/* Rotate In Animation */
@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-5deg) scale(0.95);
    }
    to {
        opacity: 1;
        transform: rotate(0) scale(1);
    }
}

.rotate-in {
    animation: rotateIn 0.7s ease-out forwards;
}

/* Blur In Animation */
@keyframes blurIn {
    from {
        opacity: 0;
        filter: blur(10px);
    }
    to {
        opacity: 1;
        filter: blur(0);
    }
}

.blur-in {
    animation: blurIn 0.8s ease-out forwards;
}

/* Modern Hover Lift */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Glow Border on Hover */
.glow-border-hover {
    transition: box-shadow 0.3s ease;
}

.glow-border-hover:hover {
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.3), 0 8px 24px rgba(102, 126, 234, 0.2);
}

/* Smooth Color Transition */
.color-transition {
    transition: color 0.3s ease, background-color 0.3s ease;
}

/* Image Zoom on Hover */
.image-zoom {
    overflow: hidden;
}

.image-zoom img {
    transition: transform 0.5s ease;
}

.image-zoom:hover img {
    transform: scale(1.1);
}

/* Text Reveal Animation */
@keyframes text-reveal {
    from {
        clip-path: inset(0 100% 0 0);
    }
    to {
        clip-path: inset(0 0 0 0);
    }
}

.text-reveal {
    animation: text-reveal 1s ease-out forwards;
}

/* Bouncing Arrow */
@keyframes bounce-arrow {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
}

.bounce-arrow {
    animation: bounce-arrow 2s ease-in-out infinite;
}

/* Spinner Loading */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.spinner {
    animation: spin 1s linear infinite;
}

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

.animated-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #f5576c 75%, #4facfe 100%);
    background-size: 400% 400%;
    animation: gradient-animation 15s ease infinite;
}