/* Custom CSS for Birmingham Corporate Events */

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

/* Custom animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Animation classes */
.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.8s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 0.8s ease-out;
}

/* Intersection Observer animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hero section enhancements */
.hero-bg {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* Navigation enhancements */
.nav-scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

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

/* Gallery hover effects */
.gallery-item {
    position: relative;
    overflow: hidden;
}

.gallery-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 58, 138, 0.8);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* Form enhancements */
.form-group {
    position: relative;
}

.form-input {
    transition: all 0.3s ease;
}

.form-input:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.15);
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* Testimonial cards */
.testimonial-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Service cards */
.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* Feature cards */
.feature-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Parallax effect */
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .parallax {
        background-attachment: scroll;
    }
    
    .hero-bg {
        background-attachment: scroll;
    }
    
    /* Mobile navigation improvements */
    .mobile-menu {
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
    }
    
    /* Mobile typography */
    h1 {
        font-size: 2.5rem !important;
        line-height: 1.2;
    }
    
    h2 {
        font-size: 2rem !important;
        line-height: 1.3;
    }
    
    h3 {
        font-size: 1.5rem !important;
        line-height: 1.4;
    }
    
    /* Mobile spacing */
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    /* Mobile cards */
    .service-card, .feature-card, .testimonial-card {
        margin-bottom: 1.5rem;
    }
    
    /* Mobile form */
    .form-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem;
    }
    
    /* Mobile gallery */
    .gallery-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem;
    }
    
    /* Mobile buttons */
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Mobile hero section */
    .hero-content {
        padding: 2rem 1rem;
        text-align: center;
    }
    
    /* Mobile statistics */
    .stats-grid {
        grid-template-columns: 1fr !important;
        gap: 1.5rem;
        text-align: center;
    }
    
    /* Mobile contact section */
    .contact-grid {
        grid-template-columns: 1fr !important;
        gap: 2rem;
    }
    
    /* Mobile navigation spacing */
    .nav-links {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    /* Mobile image optimization */
    img {
        max-width: 100%;
        height: auto;
    }
    
    /* Mobile viewport fixes */
    .min-h-screen {
        min-height: 100vh;
        min-height: -webkit-fill-available;
    }
}

/* Tablet optimizations */
@media (min-width: 769px) and (max-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn-hover-effect:hover::before {
        display: none;
    }
    
    .service-card:hover,
    .feature-card:hover,
    .testimonial-card:hover {
        transform: none;
    }
    
    /* Larger touch targets */
    button, a, input, select, textarea {
        min-height: 44px;
        min-width: 44px;
    }
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #1e3a8a;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0f172a;
}

/* Accessibility improvements */
.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 styles */
.focus-visible:focus {
    outline: 2px solid #1e3a8a;
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .no-print {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .text-corporate-silver {
        color: #000;
    }
    
    .bg-gray-50 {
        background-color: #fff;
    }
}

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

/* Dark mode support (future enhancement) */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles can be added here if needed */
}

/* Custom utilities */
.text-shadow {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.backdrop-blur {
    backdrop-filter: blur(10px);
}

.gradient-text {
    background: linear-gradient(135deg, #1e3a8a, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Loading states */
.btn-loading {
    position: relative;
    color: transparent;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

/* Success states */
.success-message {
    background-color: #10b981;
    color: white;
    padding: 1rem;
    border-radius: 0.5rem;
    margin-top: 1rem;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.success-message.show {
    opacity: 1;
    transform: translateY(0);
}

/* Error states */
.error-message {
    background-color: #ef4444;
    color: white;
    padding: 1rem;
    border-radius: 0.5rem;
    margin-top: 1rem;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.error-message.show {
    opacity: 1;
    transform: translateY(0);
}