/* Root Variables */
:root {
    --primary-color: #007bff;
    --primary-dark: #0056b3;
    --primary-light: #66b3ff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #007bff, #0056b3);
    --gradient-secondary: linear-gradient(135deg, #6c757d, #495057);
    --font-family-sans-serif: 'Inter', system-ui, -apple-system, sans-serif;
    --font-family-heading: 'Poppins', system-ui, -apple-system, sans-serif;
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-family-sans-serif);
    line-height: 1.6;
    color: var(--dark-color);
    scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: 600;
    line-height: 1.2;
}

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    padding: 1rem 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    padding: 0.5rem 0;
}

.navbar-brand {
    font-family: var(--font-family-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color) !important;
    text-decoration: none;
}

.brand-icon {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.nav-link {
    font-weight: 500;
    color: var(--dark-color) !important;
    margin: 0 0.5rem;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
    transform: translateX(-50%);
}

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

.nav-cta {
    margin-left: 1rem;
    border-radius: var(--border-radius);
    padding: 0.5rem 1.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

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

/* Hero Section */
.hero-section {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero-background {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
}

.hero-background::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="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23007bff" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 6rem 0;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-cta {
    margin-bottom: 3rem;
}

.hero-cta .btn {
    margin: 0.5rem 0;
    padding: 0.75rem 2rem;
    font-size: 1.1rem;
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

.hero-cta .btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-lg);
}

.hero-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.hero-image img {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Features Section */
.features-section {
    padding: 5rem 0;
}

.feature-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
    border: 1px solid #e9ecef;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 2rem;
}

.feature-card h4 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.feature-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.feature-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.feature-link i {
    margin-left: 0.5rem;
    transition: var(--transition);
}

.feature-link:hover i {
    transform: translateX(5px);
}

/* Solutions Section */
.solutions-section {
    padding: 5rem 0;
}

.solution-block {
    margin-bottom: 5rem;
    padding: 3rem 0;
}

.solution-block:last-child {
    margin-bottom: 0;
}

.solution-content {
    padding: 2rem 0;
}

.solution-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.solution-description {
    font-size: 1.1rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.solution-features {
    list-style: none;
    margin-bottom: 2rem;
}

.solution-features li {
    padding: 0.5rem 0;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
}

.solution-features i {
    color: var(--success-color);
    margin-right: 1rem;
    font-size: 1.2rem;
}

.solution-image img {
    transition: var(--transition);
}

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

/* Pricing Section */
.pricing-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.pricing-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    height: 100%;
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-lg);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    padding: 2rem 2rem 1rem;
}

.pricing-header h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.price {
    margin-bottom: 1rem;
}

.price .currency {
    font-size: 1.5rem;
    vertical-align: top;
    color: var(--primary-color);
}

.price .amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.price .period {
    font-size: 1rem;
    color: var(--secondary-color);
}

.pricing-header p {
    color: var(--secondary-color);
    margin-bottom: 0;
}

.pricing-features {
    padding: 0 2rem;
}

.pricing-features ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #f8f9fa;
    display: flex;
    align-items: center;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features i {
    color: var(--success-color);
    margin-right: 1rem;
    font-size: 1.1rem;
}

.pricing-footer {
    padding: 2rem;
}

/* Contact Section */
.contact-section {
    padding: 5rem 0;
}

.contact-form-wrapper {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    box-shadow: var(--box-shadow-lg);
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-control {
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-control.is-invalid {
    border-color: var(--danger-color);
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--danger-color);
}

.form-check-label {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

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

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Modal */
.modal-content {
    border-radius: var(--border-radius-lg);
    border: none;
    box-shadow: var(--box-shadow-lg);
}

.modal-header {
    border-bottom: 1px solid #e9ecef;
    padding: 1.5rem;
}

.modal-title {
    font-weight: 600;
    color: var(--dark-color);
}

.modal-body {
    padding: 2rem 1.5rem;
}

.modal-footer {
    border-top: 1px solid #e9ecef;
    padding: 1.5rem;
}

/* Footer */
.footer {
    background: var(--dark-color) !important;
    color: var(--white);
}

.footer-brand h5 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-brand p {
    color: #adb5bd;
    margin-bottom: 1.5rem;
}

.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%;
    color: var(--white);
    text-decoration: none;
    margin-right: 1rem;
    transition: var(--transition);
}

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

.footer h6 {
    color: var(--white);
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #adb5bd;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
}

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

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

/* Responsive Design */
@media (max-width: 991.98px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 1rem;
    }
    
    .solution-title {
        font-size: 2rem;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .contact-form-wrapper {
        padding: 2rem;
    }
}

@media (max-width: 767.98px) {
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-cta .btn {
        display: block;
        margin: 0.5rem 0;
        width: 100%;
    }
    
    .stat-item {
        flex: 1;
        min-width: 120px;
    }
    
    .feature-card {
        margin-bottom: 2rem;
    }
    
    .solution-block {
        margin-bottom: 3rem;
        padding: 2rem 0;
    }
    
    .solution-title {
        font-size: 1.75rem;
    }
    
    .contact-form-wrapper {
        padding: 1.5rem;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .nav-cta {
        margin-left: 0;
        margin-top: 1rem;
        display: block;
        text-align: center;
    }
}

@media (max-width: 575.98px) {
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .stat-item {
        margin-bottom: 1rem;
    }
    
    .pricing-card {
        margin-bottom: 2rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
.btn:focus,
.form-control:focus,
.nav-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .text-gradient {
        -webkit-text-fill-color: var(--primary-color);
    }
    
    .feature-card {
        border: 2px solid var(--dark-color);
    }
    
    .pricing-card {
        border: 2px solid var(--dark-color);
    }
}