:root {
    --bs-primary: #0d6efd;
    --bs-info: #0dcaf0;
    --bs-success: #198754;
    --bs-warning: #ffc107;
    --bs-danger: #dc3545;
    --bs-dark: #212529;
    --bs-secondary: #6c757d;
    --animation-duration: 0.3s;
}

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

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

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

/* Utility animations */
.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

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

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

/* Hover effects */
.hover-lift {
    transition: transform var(--animation-duration) ease, box-shadow var(--animation-duration) ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3) !important;
}

.hover-scale {
    transition: transform var(--animation-duration) ease;
}

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

/* Hero section gradient */
.hero-section {
    background: linear-gradient(135deg, var(--bs-dark) 0%, #1a1a1a 50%, var(--bs-dark) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="75" cy="25" r="1" fill="%23ffffff" opacity="0.05"/><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="25" cy="75" r="1" fill="%23ffffff" opacity="0.05"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--bs-dark) 0%, #2c3e50 100%);
}

/* Custom card styles */
.card {
    transition: all var(--animation-duration) ease;
    border-radius: 0.75rem;
}

.card:hover {
    transform: translateY(-2px);
}

/* Service icons */
.service-icon {
    transition: transform var(--animation-duration) ease, color var(--animation-duration) ease;
}

.service-icon:hover {
    transform: scale(1.1);
    color: var(--bs-info) !important;
}

/* Button enhancements */
.btn {
    border-radius: 0.5rem;
    transition: all var(--animation-duration) ease;
    font-weight: 500;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-info {
    background-color: var(--bs-info);
    border-color: var(--bs-info);
    color: var(--bs-dark);
}

.btn-info:hover {
    background-color: #0bb5d1;
    border-color: #0bb5d1;
    color: var(--bs-dark);
}

.btn-outline-info:hover {
    background-color: var(--bs-info);
    border-color: var(--bs-info);
    color: var(--bs-dark);
}

/* Navigation enhancements */
.navbar {
    transition: all var(--animation-duration) ease;
    backdrop-filter: blur(10px);
}

.navbar-nav .nav-link {
    position: relative;
    transition: color var(--animation-duration) ease;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--bs-info);
    transition: all var(--animation-duration) ease;
    transform: translateX(-50%);
}

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

/* Process steps */
.process-step {
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 30px;
    right: -50%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--bs-info) 0%, transparent 100%);
    z-index: -1;
}

@media (max-width: 768px) {
    .process-step:not(:last-child)::after {
        display: none;
    }
}

/* Article content styling */
.article-content {
    line-height: 1.8;
}

.article-content h3 {
    color: var(--bs-info);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content ul, .article-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

/* Form styling */
.form-control, .form-select {
    border-radius: 0.5rem;
    border: 1px solid #495057;
    background-color: #343a40;
    color: #ffffff;
    transition: all var(--animation-duration) ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--bs-info);
    box-shadow: 0 0 0 0.2rem rgba(13, 202, 240, 0.25);
    background-color: #343a40;
    color: #ffffff;
}

.form-label {
    font-weight: 500;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

/* Portfolio grid */
.portfolio-item {
    transition: all var(--animation-duration) ease;
}

.portfolio-item .card {
    overflow: hidden;
}

.portfolio-item .project-image {
    transition: transform 0.5s ease;
}

.portfolio-item:hover .project-image {
    transform: scale(1.1);
}

/* Social links */
.social-links a {
    transition: all var(--animation-duration) ease;
    display: inline-block;
}

.social-links a:hover {
    transform: translateY(-2px);
    color: var(--bs-info) !important;
}
/* Stats cards */
.stats-card {
    background: linear-gradient(135deg, var(--bs-info) 0%, #0bb5d1 100%);
    border-radius: 0.75rem;
    transition: transform var(--animation-duration) ease;
}

.stats-card:hover {
    transform: translateY(-5px);
}

/* Loading states */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Responsive text scaling */
@media (max-width: 768px) {
    .display-1 { font-size: 2.5rem; }
    .display-2 { font-size: 2.2rem; }
    .display-3 { font-size: 2rem; }
    .display-4 { font-size: 1.8rem; }
    .display-5 { font-size: 1.6rem; }
    .display-6 { font-size: 1.4rem; }
}

/* Accessibility improvements */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: 2px solid var(--bs-info);
    outline-offset: 2px;
}

/* Skip to content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--bs-info);
    color: var(--bs-dark);
    padding: 8px;
    border-radius: 4px;
    text-decoration: none;
    transition: top var(--animation-duration) ease;
    z-index: 9999;
}

.skip-link:focus {
    top: 6px;
}

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

::-webkit-scrollbar-track {
    background: var(--bs-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--bs-secondary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bs-info);
}

/* Print styles */
@media print {
    .navbar,
    .btn,
    .social-links,
    .modal {
        display: none !important;
    }
    
    .container {
        max-width: none !important;
    }
    
    .card {
        border: 1px solid #000 !important;
        box-shadow: none !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn-outline-info {
        border-width: 2px;
    }
    
    .card {
        border: 2px solid var(--bs-secondary);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .animate-float,
    .animate-pulse {
        animation: none;
    }
}