.feature-card {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}
:root {
    --primary-color: #3b82f6;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
}
*{
    scroll-behavior: smooth;
}
body { 
    overflow-x: hidden;
}

.nav-link {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

.feature-card {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    transition: left 0.5s ease;
}

.feature-card:hover::before {
    left: 100%;
}

.stat-card {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.stat-card:hover::after {
    opacity: 1;
}

.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
    opacity: 0;
}

.slide-up {
    animation: slideUp 0.8s ease-out forwards;
    opacity: 0;
    transform: translateY(30px);
}

.slide-left {
    animation: slideLeft 0.8s ease-out forwards;
    opacity: 0;
    transform: translateX(30px);
}

.slide-right {
    animation: slideRight 0.8s ease-out forwards;
    opacity: 0;
    transform: translateX(-30px);
}

.scale-in {
    animation: scaleIn 0.6s ease-out forwards;
    opacity: 0;
    transform: scale(0.9);
}

.rotate-in {
    animation: rotateIn 0.8s ease-out forwards;
    opacity: 0;
    transform: rotateY(90deg);
}

.bounce-in {
    animation: bounceIn 0.8s ease-out forwards;
    opacity: 0;
}

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

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

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

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

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

@keyframes rotateIn {
    from { 
        opacity: 0;
        transform: rotateY(90deg);
    }
    to { 
        opacity: 1;
        transform: rotateY(0);
    }
}

@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);
    }
}

.stagger-animation > * {
    opacity: 0;
}

.pulse-animation {
    animation: pulse 2s infinite;
}

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

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

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

.gradient-border {
    position: relative;
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box,
                linear-gradient(45deg, var(--primary-color), var(--secondary-color)) border-box;
}

.text-gradient {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.theme-transition * {
    transition: background-color 0.5s ease, border-color 0.5s ease, color 0.5s ease;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

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

.ripple-effect {
    position: relative;
    overflow: hidden;
}

.ripple-effect::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-effect:hover::after {
    width: 300px;
    height: 300px;
}

.shimmer {
    background: linear-gradient(90deg, 
        rgba(255,255,255,0) 0%, 
        rgba(255,255,255,0.2) 50%, 
        rgba(255,255,255,0) 100%);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.timeline-item {
    position: relative;
    padding-left: 30px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--primary-color);
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 30px;
    width: 2px;
    height: calc(100% - 20px);
    background-color: #e5e7eb;
}

.timeline-item:last-child::after {
    display: none;
}

.glow-effect {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.glow-effect:hover {
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
}

.typewriter {
    overflow: hidden;
    border-right: .15em solid var(--primary-color);
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret .75s step-end infinite;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--primary-color) }
}

.parallax-effect {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.neon-text {
    text-shadow: 0 0 10px var(--primary-color),
                    0 0 20px var(--primary-color),
                    0 0 30px var(--primary-color);
}

.morph-effect {
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.morph-effect:hover {
    border-radius: 50% 20% / 10% 40%;
}

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

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-5deg); }
    75% { transform: rotate(5deg); }
}

.zoom-on-scroll {
    transform: scale(0.95);
    transition: transform 0.5s ease;
}

.zoom-on-scroll.zoomed {
    transform: scale(1);
}