/* Modern Animations & Effects */

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

/* Fade in animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Animation classes */
.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

.animate-slide-left {
    animation: slideInLeft 0.8s ease-out;
}

.animate-slide-right {
    animation: slideInRight 0.8s ease-out;
}

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

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

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

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

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.hover-scale {
    transition: transform 0.3s ease;
}

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

.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
}

/* Gradient backgrounds */
.gradient-purple {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-blue {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.gradient-orange {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.gradient-green {
    background: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
}

.gradient-animated {
    background: linear-gradient(270deg, #667eea, #764ba2, #667eea);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
}

/* Glass morphism effect */
.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

/* Card modern styles */
.modern-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: none;
    overflow: hidden;
}

.modern-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

/* Button modern styles */
.btn-modern {
    position: relative;
    overflow: hidden;
    border-radius: 50px;
    padding: 12px 30px;
    font-weight: 600;
    border: none;
    transition: all 0.3s ease;
}

.btn-modern::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, height 0.6s;
}

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

.btn-modern:active {
    transform: scale(0.95);
}

/* Floating shapes background */
.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    top: 0;
    left: 0;
    z-index: -1;
}

.shape {
    position: absolute;
    opacity: 0.1;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    border-radius: 50%;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

/* Loading spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(102, 126, 234, 0.1);
    border-top-color: #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Scroll reveal effect */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Typography modern */
.text-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Shadow effects */
.shadow-soft {
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
}

.shadow-medium {
    box-shadow: 0 10px 40px rgba(0,0,0,0.12);
}

.shadow-strong {
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

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

.ripple::after {
    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::after {
    width: 200px;
    height: 200px;
}

/* Neon glow effect */
.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);
}

/* Progress bar modern */
.progress-modern {
    height: 8px;
    border-radius: 10px;
    background: rgba(102, 126, 234, 0.1);
    overflow: hidden;
}

.progress-modern .progress-bar {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
    transition: width 1s ease;
}

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

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 0px, #f8f8f8 40px, #f0f0f0 80px);
    background-size: 200px 100%;
    animation: skeleton-loading 1.2s ease-in-out infinite;
}

/* Badge modern */
.badge-modern {
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

/* Tooltip modern */
.tooltip-modern {
    position: relative;
    cursor: help;
}

.tooltip-modern::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 12px;
    background: rgba(0,0,0,0.9);
    color: white;
    border-radius: 8px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    margin-bottom: 5px;
}

.tooltip-modern:hover::after {
    opacity: 1;
}