/* Modern Enhancements for 81 Roofing and Construction */
/* Enhanced styling for improved UX and accessibility */

/* CSS Custom Properties for better theming */
:root {
    --transition-fast: 0.15s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.6s ease;
    --shadow-small: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-large: 0 8px 16px rgba(0, 0, 0, 0.2);
    --border-radius: 0.5rem;
    --border-radius-large: 1rem;
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary) 0%, #f9d06b 100%);
}

/* Enhanced focus indicators for accessibility */
.keyboard-navigation *:focus,
.keyboard-navigation *:focus-visible {
    outline: 2px solid var(--accent) !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 4px rgba(13, 92, 187, 0.2) !important;
    border-radius: var(--border-radius);
}

/* Skip link styling */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 9999;
    padding: 0.75rem 1rem;
    background-color: var(--primary);
    color: var(--light);
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 var(--border-radius) 0;
}

.skip-link:focus {
    left: 0 !important;
    transform: translateY(0) !important;
}

/* Enhanced button styles */
.btn {
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-small);
}

.btn::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 ease;
}

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

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-small);
}

/* Form enhancements */
.form-control {
    transition: all var(--transition-medium);
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    position: relative;
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(13, 92, 187, 0.1);
    transform: translateY(-1px);
}

.form-control.is-valid {
    border-color: #28a745;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2328a745' d='m2.3 6.73.4.36 3.48-4.4-.32-.4-.72.56L2.3 6.73z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
}

.form-control.is-invalid {
    border-color: #dc3545;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='m5.8 4.6 2.4 2.4M8.2 4.6l-2.4 2.4'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
}

.invalid-feedback {
    display: block;
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Character counter styling */
.character-counter {
    font-size: 0.8rem;
    color: #6c757d;
    text-align: right;
    margin-top: 0.25rem;
    transition: color var(--transition-fast);
}

/* Enhanced loading states */
.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}

.btn .fa-spinner {
    animation: spin 1s linear infinite;
}

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

/* Card enhancements */
.service-card,
.project-item {
    transition: all var(--transition-medium);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    position: relative;
}

.service-card::before,
.project-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-medium);
    pointer-events: none;
    z-index: 1;
}

.service-card:hover::before,
.project-item:hover::before {
    opacity: 0.1;
}

/* Enhanced testimonial slider */
.testimonial-slider {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-large);
}

.testimonial-item {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.5s ease;
}

.testimonial-item.active {
    opacity: 1;
    transform: translateX(0);
}

.testimonial-nav button {
    background: rgba(247, 197, 102, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(247, 197, 102, 0.3);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
}

.testimonial-nav button:hover {
    background: var(--secondary);
    transform: scale(1.1);
}

/* Enhanced floating contact */
.floating-contact {
    transition: all var(--transition-medium);
}

.floating-btn {
    backdrop-filter: blur(10px);
    border: 2px solid rgba(247, 197, 102, 0.3);
    transition: all var(--transition-medium);
}

.floating-btn:hover {
    border-color: var(--secondary);
    box-shadow: 0 0 20px rgba(247, 197, 102, 0.4);
}

.floating-menu {
    backdrop-filter: blur(10px);
    background: rgba(19, 41, 61, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.floating-menu a {
    transition: all var(--transition-fast);
    border-radius: var(--border-radius);
}

.floating-menu a:hover {
    background: rgba(247, 197, 102, 0.1);
    transform: translateX(5px);
}

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

.navbar.scrolled {
    background: rgba(19, 41, 61, 0.95);
    backdrop-filter: blur(10px);
}

.nav-links a {
    position: relative;
    overflow: hidden;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-secondary);
    transition: all var(--transition-medium);
    transform: translateX(-50%);
}

.nav-links a:hover::before {
    width: 80%;
}

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

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

/* Improved lightbox */
.lightbox {
    backdrop-filter: blur(5px);
    background: rgba(0, 0, 0, 0.9);
}

.lightbox-content {
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-large);
}

.lightbox-image {
    transition: transform var(--transition-medium);
}

.lightbox-prev,
.lightbox-next {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    transition: all var(--transition-medium);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(247, 197, 102, 0.2);
    transform: scale(1.1);
}

/* Progress indicators */
.progress-bar {
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width var(--transition-medium);
}

/* Toast notifications */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--primary);
    color: var(--light);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-large);
    transform: translateX(100%);
    transition: transform var(--transition-medium);
    z-index: 9999;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    background: #28a745;
}

.toast.error {
    background: #dc3545;
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid currentColor;
    }
    
    .form-control {
        border-width: 2px;
    }
    
    .service-card,
    .project-item {
        border: 1px solid currentColor;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --light: #1a1a1a;
        --dark: #ffffff;
    }
    
    .form-control {
        background-color: #2a2a2a;
        border-color: #4a4a4a;
        color: #ffffff;
    }
    
    .service-card,
    .project-item {
        background-color: #2a2a2a;
        color: #ffffff;
    }
}

/* Print styles */
@media print {
    .floating-contact,
    .testimonial-nav,
    .btn,
    nav {
        display: none !important;
    }
    
    * {
        box-shadow: none !important;
        transition: none !important;
        animation: none !important;
    }
    
    a {
        text-decoration: underline !important;
    }
    
    .section {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}

/* Mobile-specific enhancements */
@media (max-width: 768px) {
    .btn {
        min-height: 44px; /* Minimum touch target size */
        min-width: 44px;
    }
    
    .floating-btn {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }
    
    .form-control {
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    /* Improve touch targets */
    .nav-links a,
    .floating-menu a {
        min-height: 44px;
        display: flex;
        align-items: center;
        padding: 0.75rem 1rem;
    }
}

/* Tablet-specific optimizations */
@media (min-width: 769px) and (max-width: 1024px) {
    .service-card,
    .project-item {
        transform-style: preserve-3d;
    }
}

/* Large screen optimizations */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-content h1 {
        font-size: 4rem;
    }
    
    .section-title h2 {
        font-size: 3rem;
    }
}

/* Ultra-wide screen support */
@media (min-width: 1600px) {
    .container {
        max-width: 1600px;
    }
}