/* Custom CSS for Nebras Tech Website */

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

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

@keyframes glow {
    from {
        box-shadow: 0 0 20px rgba(124, 58, 237, 0.3);
    }
    to {
        box-shadow: 0 0 30px rgba(124, 58, 237, 0.6);
    }
}

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

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

/* Navigation enhancements */
.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: linear-gradient(90deg, #7c3aed, #3b82f6);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

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

/* Hover effects for cards */
.hover-lift {
    transition: all 0.3s ease;
}

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

/* Custom gradient backgrounds */
.gradient-bg-1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-bg-2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.gradient-bg-3 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

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

/* Button hover effects */
.btn-hover {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

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

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #7c3aed, #3b82f6);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #6d28d9, #2563eb);
}

/* Loading animation */
.loading {
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #7c3aed;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive design enhancements */
@media (max-width: 768px) {
    .text-6xl {
        font-size: 3rem;
    }
    
    .text-7xl {
        font-size: 3.5rem;
    }
    
    .text-5xl {
        font-size: 2.5rem;
    }
    
    .text-4xl {
        font-size: 2rem;
    }
    
    .text-3xl {
        font-size: 1.5rem;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .auto-dark {
        background-color: #1f2937;
        color: #f9fafb;
    }
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
}

/* Accessibility improvements */
.focus-visible:focus {
    outline: 2px solid #7c3aed;
    outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .text-gray-600 {
        color: #000000;
    }
    
    .text-gray-300 {
        color: #ffffff;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Custom utilities */
.backdrop-blur-xl {
    backdrop-filter: blur(24px);
}

.backdrop-blur-lg {
    backdrop-filter: blur(16px);
}

.backdrop-blur-md {
    backdrop-filter: blur(12px);
}

/* Interactive elements */
.interactive {
    cursor: pointer;
    user-select: none;
}

.interactive:active {
    transform: scale(0.98);
}

/* Tooltip styles */
.tooltip {
    position: relative;
}

.tooltip::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.tooltip:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-5px);
}

/* Custom form styles */
.form-input {
    transition: all 0.3s ease;
}

.form-input:focus {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(124, 58, 237, 0.15);
}

/* Particle background effect */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: rgba(124, 58, 237, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.particle:nth-child(1) {
    width: 10px;
    height: 10px;
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    width: 15px;
    height: 15px;
    top: 60%;
    left: 80%;
    animation-delay: 2s;
}

.particle:nth-child(3) {
    width: 8px;
    height: 8px;
    top: 80%;
    left: 40%;
    animation-delay: 4s;
}

/* Performance optimizations */
.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

/* Browser-specific fixes */
@supports (-webkit-backdrop-filter: blur(10px)) {
    .backdrop-blur-xl {
        -webkit-backdrop-filter: blur(24px);
    }
}

/* RTL support enhancements */
[dir="rtl"] .space-x-reverse > :not([hidden]) ~ :not([hidden]) {
    --tw-space-x-reverse: 1;
}

[dir="rtl"] .space-x-3 > :not([hidden]) ~ :not([hidden]) {
    margin-right: calc(0.75rem * var(--tw-space-x-reverse));
    margin-left: calc(0.75rem * calc(1 - var(--tw-space-x-reverse)));
}

/* Custom selection colors */
::selection {
    background: rgba(124, 58, 237, 0.2);
    color: #1f2937;
}

::-moz-selection {
    background: rgba(124, 58, 237, 0.2);
    color: #1f2937;
}