* {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* Animated gradient background */
.animated-gradient {
    background: linear-gradient(45deg, #667eea, #764ba2, #f093fb, #667eea);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

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

/* Fade-in animation */
.fade-in {
    animation: fadeIn 0.8s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slide in from left */
.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

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

/* Slide in from right */
.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

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

/* Hover effect for cards */
.card-hover {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card-hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #764ba2;
}

/* Mobile menu transition */
.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out;
}

.mobile-menu.open {
    max-height: 500px;
}

/* Floating animation */
.float {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Pulse animation */
.pulse-slow {
    animation: pulseSlow 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulseSlow {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

/* Icon rotate on hover */
.icon-rotate {
    transition: transform 0.3s ease;
}

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

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

.glow:hover {
    box-shadow: 0 0 30px rgba(102, 126, 234, 0.8);
}

/* Navbar shadow on scroll */
.nav-shadow {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Gradient border */
.gradient-border {
    position: relative;
    border: 3px solid transparent;
    background-clip: padding-box;
}

.gradient-border::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: inherit;
    z-index: -1;
}

/* Typing animation */
.typing-animation {
    overflow: hidden;
    border-right: 0.15em solid white;
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

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

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

/* Skill bar animation */
.skill-bar {
    height: 8px;
    background: #e5e7eb;
    border-radius: 999px;
    overflow: hidden;
    position: relative;
}

.skill-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 999px;
    transition: width 2s ease;
}

/* Grid pattern background */
.grid-pattern {
    background-image: 
        linear-gradient(rgba(102, 126, 234, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(102, 126, 234, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* Glassmorphism effect */
.glass {
    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);
}

/* Progress circle */
.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-circle {
    transition: stroke-dashoffset 0.5s ease;
    stroke: #667eea;
    stroke-width: 4;
    fill: transparent;
}

/* Zoom in on hover */
.zoom-hover {
    transition: transform 0.3s ease;
}

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

/* Stagger animation for lists */
.stagger-item {
    opacity: 0;
    animation: staggerFadeIn 0.5s ease forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }
.stagger-item:nth-child(6) { animation-delay: 0.6s; }

@keyframes staggerFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Button 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: 300px;
    height: 300px;
}

/* Particle background */
#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
}

/* Ensure content is above particles */
.hero-content {
    position: relative;
    z-index: 10;
}

/* Smooth reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
}

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

/* Number counter animation */
.counter {
    font-variant-numeric: tabular-nums;
}

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

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Shine effect */
.shine {
    position: relative;
    overflow: hidden;
}

.shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: skewX(-25deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { left: -100%; }
    50%, 100% { left: 200%; }
}

/* Media queries for responsive design */
@media (max-width: 768px) {
    .typing-animation {
        animation: none;
        border-right: none;
        white-space: normal;
    }
}

/* Prevent text selection on buttons */
button, .btn {
    user-select: none;
    -webkit-user-select: none;
}

/* Smooth transitions for all interactive elements */
a, button, .btn {
    transition: all 0.3s ease;
}