/* Critical CSS - Modern Gray Design */
.animate-fade-in-up {
    animation: fadeInUp 1s ease-out;
}

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

/* Advanced Animations */
.animate-slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

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

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

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

.animate-bounce-in {
    animation: bounceIn 1s ease-out;
}

.animate-fade-in-scale {
    animation: fadeInScale 0.8s ease-out;
}

.animate-slide-up {
    animation: slideUp 0.6s ease-out;
}

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

@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(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-10deg) scale(0.8);
    }
    to {
        opacity: 1;
        transform: rotate(0deg) scale(1);
    }
}

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

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(64, 64, 64, 0.4);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(64, 64, 64, 0);
    }
}

/* Hover Effects - Modern Gray */
.hover-lift {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.hover-scale {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.hover-rotate {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

.hover-glow {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(64, 64, 64, 0.3);
}

/* Gradient Animations - Modern Gray */
.gradient-animate {
    background: linear-gradient(-45deg, #404040, #525252, #404040, #2a2a2a);
    background-size: 400% 400%;
    animation: gradientShift 4s ease infinite;
}

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

/* Text Animations - Modern Gray */
.text-shimmer {
    background: linear-gradient(90deg, #404040, #808080, #404040);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 2s linear infinite;
}

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

/* Loading Animations */
.loading-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.loading-dots::after {
    content: '';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% {
        content: '';
    }
    40% {
        content: '.';
    }
    60% {
        content: '..';
    }
    80%, 100% {
        content: '...';
    }
}

/* Navigation styles - Modern & Clean */
.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 50%;
    background-color: #404040;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 100%;
    background-color: #2a2a2a;
}

/* Hero section background - Modern Gray */
.hero-bg {
    background: linear-gradient(135deg, #171717 0%, #2a2a2a 50%, #404040 100%);
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Form focus states - Modern Gray */
input:focus,
textarea:focus,
select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(64, 64, 64, 0.1);
    border-color: #404040;
}

/* Input field modern styling */
input, textarea, select {
    transition: all 0.3s ease;
}

input:focus, textarea:focus, select:focus {
    border-color: #404040;
    box-shadow: 0 0 0 3px rgba(64, 64, 64, 0.1);
}

/* Button hover effects - Modern Gray */
button {
    transition: all 0.3s ease;
}

button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

button:active {
    transform: translateY(0);
}

/* Modern button styles */
.btn-primary {
    background: #2a2a2a;
    color: white;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: #404040;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    background: transparent;
    color: #2a2a2a;
    border: 2px solid #2a2a2a;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: #2a2a2a;
    color: white;
}

/* Image lazy loading */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Portfolio filter active state - Modern Gray */
.portfolio-filter.active {
    background-color: #2a2a2a;
    color: white;
}

.portfolio-filter {
    transition: all 0.3s ease;
}

.portfolio-filter:hover {
    background-color: #404040;
    color: white;
}

/* Card styling - Modern & Clean */
.card {
    transition: all 0.3s ease;
    border-radius: 0.75rem;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Text truncation utilities */
.line-clamp-1 {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Modern Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f5f5f5;
}

::-webkit-scrollbar-thumb {
    background: #404040;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2a2a2a;
}

/* Selection color */
::selection {
    background-color: #404040;
    color: white;
}

::-moz-selection {
    background-color: #404040;
    color: white;
}

/* Modern Border Radius */
.rounded-modern {
    border-radius: 1rem;
}

.rounded-modern-lg {
    border-radius: 1.5rem;
}

/* Box Shadow - Modern */
.shadow-modern {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.shadow-modern-lg {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Responsive utilities */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
}

/* Performance optimizations */
* {
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
}

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

/* Modern Typography */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: #1a1a1a;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Modern Link Styles */
a {
    text-decoration: none;
    transition: all 0.3s ease;
    color: inherit;
}

a:hover {
    color: #404040;
}

/* Modern Divider */
.divider {
    height: 1px;
    background: linear-gradient(to right, transparent, #e5e5e5, transparent);
}

/* Modern Badge */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    background: #f5f5f5;
    color: #404040;
    border: 1px solid #e5e5e5;
}

/* Modern Focus Visible */
*:focus-visible {
    outline: 2px solid #404040;
    outline-offset: 2px;
}

/* Modern Container */
.container-modern {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container-modern {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container-modern {
        padding: 0 2rem;
    }
}