:root {
    --color-primary: #0A192F;
    --color-secondary: #00F0FF;
    --color-accent: #D4AF37;
    --color-bg: #F5F7FA;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Performance optimizations */
.hero-bg,
.particles-container,
.morph-bg,
.animate-float,
.animate-spin-slow {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Reduce blur complexity on scroll - use simpler blur values */
.blur-3xl {
    filter: blur(48px);
}

/* Optimize backdrop-filter for performance */
.backdrop-blur-md,
.backdrop-blur-sm {
    transform: translateZ(0);
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus States for Accessibility */
a:focus-visible, 
button:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

/* Glassmorphism */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
    background: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Gradient Text */
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-gold {
    background: linear-gradient(135deg, #D4AF37, #F7E290, #D4AF37);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Animations */
@keyframes float {
    0% { transform: translate3d(0, 0, 0) rotate(0deg); }
    50% { transform: translate3d(0, -15px, 0) rotate(2deg); }
    100% { transform: translate3d(0, 0, 0) rotate(0deg); }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
    contain: layout style;
}

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

.animate-spin-slow {
    animation: spin-slow 30s linear infinite;
    contain: layout style;
}

/* Enhanced pulse glow - optimized */
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 240, 255, 0.3); }
    50% { box-shadow: 0 0 40px rgba(0, 240, 255, 0.5); }
}

.animate-pulse-glow {
    animation: pulse-glow 4s ease-in-out infinite;
    contain: layout style;
}

/* Shimmer effect */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-shimmer {
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    background-size: 200% 100%;
    animation: shimmer 3s infinite;
}

/* Slide up animation */
@keyframes slideUp {
    from { 
        opacity: 0; 
        transform: translateY(40px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

/* Slide in from left */
@keyframes slideInLeft {
    from { 
        opacity: 0; 
        transform: translateX(-60px); 
    }
    to { 
        opacity: 1; 
        transform: translateX(0); 
    }
}

/* Slide in from right */
@keyframes slideInRight {
    from { 
        opacity: 0; 
        transform: translateX(60px); 
    }
    to { 
        opacity: 1; 
        transform: translateX(0); 
    }
}

/* Scale in animation */
@keyframes scaleIn {
    from { 
        opacity: 0; 
        transform: scale(0.8); 
    }
    to { 
        opacity: 1; 
        transform: scale(1); 
    }
}

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

/* Gradient animation for text */
@keyframes gradientMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Typewriter cursor blink */
@keyframes blink {
    0%, 50% { border-color: var(--color-secondary); }
    51%, 100% { border-color: transparent; }
}

/* Particle float - optimized with translate3d */
@keyframes particleFloat {
    0%, 100% { 
        transform: translate3d(0, 0, 0) rotate(0deg); 
        opacity: 0.6;
    }
    25% { 
        transform: translate3d(10px, -20px, 0) rotate(90deg); 
        opacity: 0.8;
    }
    50% { 
        transform: translate3d(-10px, -40px, 0) rotate(180deg); 
        opacity: 0.4;
    }
    75% { 
        transform: translate3d(20px, -20px, 0) rotate(270deg); 
        opacity: 0.7;
    }
}

/* 3D Card tilt */
.card-3d {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.card-3d-inner {
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.card-3d:hover .card-3d-inner {
    transform: rotateY(5deg) rotateX(5deg) translateZ(20px);
}

/* Scroll animation classes */
.animate-on-scroll {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
}

.animate-on-scroll.slide-up {
    transform: translateY(50px);
}

.animate-on-scroll.slide-up.visible {
    transform: translateY(0);
}

.animate-on-scroll.slide-left {
    transform: translateX(-50px);
}

.animate-on-scroll.slide-left.visible {
    transform: translateX(0);
}

.animate-on-scroll.slide-right {
    transform: translateX(50px);
}

.animate-on-scroll.slide-right.visible {
    transform: translateX(0);
}

.animate-on-scroll.scale-in {
    transform: scale(0.9);
}

.animate-on-scroll.scale-in.visible {
    transform: scale(1);
}

/* Stagger animation delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* Hero text animation */
.hero-title {
    animation: slideUp 1s ease-out forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

.hero-subtitle {
    animation: slideUp 1s ease-out forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

.hero-description {
    animation: slideUp 1s ease-out forwards;
    animation-delay: 0.6s;
    opacity: 0;
}

.hero-buttons {
    animation: slideUp 1s ease-out forwards;
    animation-delay: 0.8s;
    opacity: 0;
}

.hero-badge {
    animation: bounceIn 0.8s ease-out forwards;
    opacity: 0;
}

.hero-visual {
    animation: slideInRight 1.2s ease-out forwards;
    animation-delay: 0.5s;
    opacity: 0;
}

/* Animated gradient text */
.text-gradient-animated {
    background: linear-gradient(90deg, var(--color-secondary), #64ffda, var(--color-secondary));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientMove 6s ease infinite;
    contain: layout style;
}

/* Glowing border effect */
.glow-border {
    position: relative;
    contain: layout;
}

.glow-border::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: linear-gradient(45deg, var(--color-secondary), transparent, var(--color-accent), transparent, var(--color-secondary));
    background-size: 400% 400%;
    animation: gradientMove 8s ease infinite;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    will-change: opacity;
}

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

/* Floating particles container */
.particles-container {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    contain: strict;
}

.particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--color-secondary);
    border-radius: 50%;
    animation: particleFloat 10s ease-in-out infinite;
    will-change: transform, opacity;
    contain: layout style;
}

/* Counter number animation */
.counter-number {
    display: inline-block;
    font-variant-numeric: tabular-nums;
}

/* Button hover effects */
.btn-magnetic {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
}

.btn-magnetic:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(0, 240, 255, 0.3);
}

/* Card hover lift */
.card-hover-lift {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

/* Image reveal effect */
.image-reveal {
    overflow: hidden;
}

.image-reveal img,
.image-reveal .image-placeholder {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.image-reveal:hover img,
.image-reveal:hover .image-placeholder {
    transform: scale(1.1);
}

/* Underline animation */
.animated-underline {
    position: relative;
}

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

.animated-underline:hover::after {
    width: 100%;
}

/* Morphing background - slower for performance */
@keyframes morphBg {
    0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
    50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
}

.morph-bg {
    animation: morphBg 12s ease-in-out infinite;
    contain: layout style;
}

.hero-bg {
    background: radial-gradient(circle at top right, rgba(0, 240, 255, 0.15), transparent 40%),
                radial-gradient(circle at bottom left, rgba(212, 175, 55, 0.12), transparent 40%),
                radial-gradient(circle at center, rgba(0, 240, 255, 0.05), transparent 60%);
}

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

.ripple-effect::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 60%);
    transform: scale(0);
    opacity: 0;
    transition: transform 0.5s ease, opacity 0.3s ease;
}

.ripple-effect:active::after {
    transform: scale(4);
    opacity: 1;
    transition: 0s;
}

/* Neon glow effect */
.neon-glow {
    text-shadow: 
        0 0 7px var(--color-secondary),
        0 0 10px var(--color-secondary),
        0 0 21px var(--color-secondary),
        0 0 42px var(--color-secondary);
}

/* Stats counter glow */
.stat-number {
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
    transition: transform 0.3s ease;
}

/* Ripple animation for buttons */
.ripple-animation {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: scale(0);
    animation: rippleAnim 0.6s linear;
    pointer-events: none;
}

@keyframes rippleAnim {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Loading skeleton effect */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* Smooth page transitions */
.page-transition {
    animation: fadeIn 0.5s ease-out;
}

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

/* Icon spin on hover */
.icon-spin-hover:hover i {
    animation: spin-slow 2s linear infinite;
}

/* Gradient border animation */
.gradient-border {
    position: relative;
    background: linear-gradient(var(--color-bg), var(--color-bg)) padding-box,
                linear-gradient(135deg, var(--color-secondary), var(--color-accent)) border-box;
    border: 2px solid transparent;
}

/* Text reveal animation */
.text-reveal {
    overflow: hidden;
}

.text-reveal span {
    display: inline-block;
    animation: textReveal 0.8s ease-out forwards;
    opacity: 0;
    transform: translateY(100%);
}

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

/* Floating label effect for inputs */
.floating-label-input:focus + label,
.floating-label-input:not(:placeholder-shown) + label {
    transform: translateY(-1.5rem) scale(0.85);
    color: var(--color-secondary);
}

/* Enhanced focus ring */
.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.3);
}

/* Scroll progress indicator */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
    z-index: 9999;
    transition: width 0.1s ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #0d2342;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
}

/* Touch Targets for Mobile */
@media (max-width: 768px) {
    a, button {
        min-height: 44px;
        min-width: 44px;
    }
}