/* ===================================
   Modern Overrides & Enhancements
   =================================== */

/* Override Bootstrap defaults with modern styling */
.btn {
    border-radius: var(--radius-lg);
    font-weight: var(--fw-medium);
    transition: all var(--transition-normal);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: var(--primary-gradient);
    color: var(--white);
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Card enhancements */
.card {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

/* Form enhancements */
.form-control {
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-300);
    padding: var(--spacing-md);
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(46, 43, 226, 0.25);
}

/* Typography enhancements */
.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
    font-family: var(--font-secondary);
    font-weight: var(--fw-bold);
}

.lead {
    font-size: var(--fs-lg);
    font-weight: var(--fw-regular);
    color: var(--gray-600);
}

/* Navigation enhancements */
.navbar {
    padding: var(--spacing-md) 0;
    transition: all var(--transition-normal);
}

.navbar-brand {
    font-family: var(--font-secondary);
    font-weight: var(--fw-bold);
    font-size: var(--fs-xl);
}

.nav-link {
    font-family: var(--font-primary);
    font-weight: var(--fw-medium);
    color: var(--gray-700);
    transition: all var(--transition-fast);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(46, 43, 226, 0.1);
}

/* Section spacing */
.section {
    padding: var(--spacing-4xl) 0;
}

/* Background utilities */
.bg-light {
    background-color: var(--gray-50) !important;
}

.bg-primary {
    background: var(--primary-gradient) !important;
}

/* Text utilities */
.text-primary {
    color: var(--primary-color) !important;
}

.text-muted {
    color: var(--gray-600) !important;
}

/* Shadow utilities */
.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.shadow {
    box-shadow: var(--shadow-md) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

/* Border radius utilities */
.rounded {
    border-radius: var(--radius-lg) !important;
}

.rounded-lg {
    border-radius: var(--radius-xl) !important;
}

/* Spacing utilities */
.p-4 {
    padding: var(--spacing-xl) !important;
}

.p-5 {
    padding: var(--spacing-2xl) !important;
}

.m-4 {
    margin: var(--spacing-xl) !important;
}

.m-5 {
    margin: var(--spacing-2xl) !important;
}

/* Animation utilities */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

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

/* Hover effects */
.hover-lift {
    transition: transform var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

/* Icon enhancements */
.icon-xl {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xl);
    background: var(--primary-gradient);
    color: var(--white);
    font-size: var(--fs-2xl);
    box-shadow: var(--shadow-lg);
}

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

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Selection styling */
::selection {
    background: var(--primary-color);
    color: var(--white);
}

::-moz-selection {
    background: var(--primary-color);
    color: var(--white);
}

/* Focus styles */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 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(255,255,255,0.4), transparent);
    animation: loading 1.5s infinite;
}

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

/* Responsive utilities */
@media (max-width: 768px) {
    .section {
        padding: var(--spacing-3xl) 0;
    }

    .display-3 {
        font-size: var(--fs-3xl);
    }

    .display-4 {
        font-size: var(--fs-2xl);
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--fs-sm);
    }
}

/* Print styles */
@media print {
    .navbar-modern,
    .mobile-menu-modern,
    .btn-modern,
    .cta-section {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000080;
        --gray-600: #000000;
        --gray-700: #000000;
        --gray-800: #000000;
        --gray-900: #000000;
    }
}

/* 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;
    }
}

/* ===================================
   Mobile-First Optimizations
   =================================== */

/* Prevent horizontal scroll on mobile */
html, body {
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Touch-friendly button sizes */
.btn {
    min-height: 44px;
    min-width: 44px;
}

/* Improved tap targets for mobile */
a, button, input, select, textarea {
    touch-action: manipulation;
}

/* Better mobile form inputs */
input, textarea, select {
    font-size: 16px; /* Prevents zoom on iOS */
}

/* Mobile-friendly modals */
@media (max-width: 768px) {
    .modal-dialog {
        margin: 10px;
        max-width: calc(100% - 20px);
    }

    .modal-content {
        border-radius: 16px;
    }

    .modal-body {
        padding: 20px;
    }

    .modal-header {
        padding: 16px 20px;
    }

    .modal-footer {
        padding: 16px 20px;
    }
}

/* Mobile navigation improvements */
@media (max-width: 992px) {
    .navbar-toggler {
        border: none;
        padding: 8px;
        min-height: 44px;
        min-width: 44px;
    }

    .navbar-toggler:focus {
        box-shadow: none;
    }
}

/* Mobile typography adjustments */
@media (max-width: 576px) {
    h1 {
        font-size: 2rem;
        line-height: 1.2;
    }

    h2 {
        font-size: 1.75rem;
        line-height: 1.3;
    }

    h3 {
        font-size: 1.5rem;
        line-height: 1.4;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
}

/* Improve mobile scrolling performance */
* {
    -webkit-overflow-scrolling: touch;
}

/* Better mobile image handling */
img {
    max-width: 100%;
    height: auto;
}

/* Mobile-friendly tables */
@media (max-width: 768px) {
    .table-responsive {
        border: none;
    }

    .table {
        font-size: 0.875rem;
    }
}

/* Mobile card improvements */
@media (max-width: 576px) {
    .card {
        border-radius: 12px;
        margin-bottom: 1rem;
    }

    .card-body {
        padding: 1rem;
    }
}