/* Enhanced Global Styles */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --info-color: #3498db;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --border-color: #bdc3c7;
    --text-color: #2c3e50;
    --text-muted: #7f8c8d;
    --gradient-primary: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    --gradient-accent: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    --gradient-success: linear-gradient(135deg, #27ae60 0%, #229954 100%);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
    --border-radius: 0.75rem;
    --border-radius-lg: 1rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    padding-top: 80px; /* Account for fixed navbar */
    background-color: #f8f9fa;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Enhanced Header Styles */
.header {
    box-shadow: var(--shadow-lg);
    transition: var(--transition-slow);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95) !important;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98) !important;
    box-shadow: var(--shadow-xl);
    padding: 0.5rem 0;
}

.navbar-brand h1 {
    color: var(--primary-color);
    font-weight: 800;
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    font-weight: 600;
    color: var(--text-color) !important;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-color) !important;
    background: rgba(231, 76, 60, 0.1);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.cart-link {
    position: relative;
    transition: var(--transition);
}

.cart-link:hover {
    transform: translateY(-1px);
}

.cart-link::before {
    content: '';
    position: absolute;
    top: -5px;
    right: -5px;
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
    opacity: 0;
    transition: var(--transition);
}

.cart-link.has-items::before {
    opacity: 1;
}

/* Enhanced Hero Section */
.hero {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.hero::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 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,1000 1000,0 1000,1000"/></svg>');
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-weight: 800;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.95;
}

.hero-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: var(--transition-slow);
}

.hero-image:hover img {
    transform: perspective(1000px) rotateY(0) rotateX(0);
}

/* Enhanced Card Styles */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.card:hover::before {
    transform: scaleX(1);
}

/* Enhanced Service Cards */
.service-card {
    border-left: 4px solid transparent;
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    transition: var(--transition);
}

.service-card:hover {
    border-left-color: var(--accent-color);
    transform: translateX(5px);
}

.service-icon {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon img {
    transition: var(--transition);
    filter: grayscale(0.3);
}

.service-card:hover .service-icon img {
    transform: scale(1.1) rotate(5deg);
    filter: grayscale(0);
}

/* Enhanced Package Cards */
.package-card {
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
}

.package-card.featured {
    border-color: var(--warning-color);
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #fff 0%, #fff9e6 100%);
}

.package-card.featured::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    z-index: -1;
    opacity: 0.1;
}

.price-cta {
    font-size: 1.5rem;
    font-weight: 800;
    color: transparent;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    margin: 1rem 0;
    position: relative;
}

.price-cta::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--accent-color);
}

/* Enhanced Buttons */
.btn {
    font-weight: 700;
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: var(--transition-slow);
}

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

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

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

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

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

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1rem;
}

/* Enhanced Footer */
.footer {
    background: var(--dark-color) !important;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
}

.footer a {
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

.footer a:hover {
    color: var(--light-color) !important;
    transform: translateX(5px);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

/* Enhanced Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-right: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Enhanced Badges */
.badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge.bg-warning {
    background: var(--gradient-accent) !important;
}

/* Enhanced Form Styles */
.form-control,
.form-select {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.875rem 1rem;
    transition: var(--transition);
    font-weight: 500;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(44, 62, 80, 0.1);
    transform: translateY(-1px);
}

.form-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

/* Enhanced Alert Styles */
.alert {
    border: none;
    border-radius: var(--border-radius);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid transparent;
}

.alert-success {
    background: rgba(39, 174, 96, 0.1);
    border-left-color: var(--success-color);
    color: var(--success-color);
}

.alert-danger {
    background: rgba(231, 76, 60, 0.1);
    border-left-color: var(--accent-color);
    color: var(--accent-color);
}

/* Enhanced Responsive Design */
@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .package-card.featured {
        transform: none;
        margin: 1rem 0;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
    }
    
    .nav-link {
        padding: 0.75rem 1rem !important;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .card {
        margin-bottom: 1.5rem;
    }
}

/* Enhanced Animation Classes */
.fade-in {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.slide-in-left {
    animation: slideInLeft 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.slide-in-right {
    animation: slideInRight 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.zoom-in {
    animation: zoomIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Staggered Animations */
.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }
.stagger-item:nth-child(6) { animation-delay: 0.6s; }

/* Enhanced Utility Classes */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.bg-gradient-accent {
    background: var(--gradient-accent);
}

.shadow-hover {
    transition: var(--transition);
}

.shadow-hover:hover {
    box-shadow: var(--shadow-xl);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Focus States for Accessibility */
*:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .btn {
        display: none !important;
    }
    
    body {
        padding-top: 0;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}