/* Custom CSS for NeuroNode */

:root {
    --primary-color: #4f46e5;
    --secondary-color: #06b6d4;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    --dark-color: #1f2937;
    --light-color: #f8fafc;
    --muted-color: #6b7280;
}

/* Global Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #374151;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.text-primary {
    color: var(--primary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #3730a3;
    border-color: #3730a3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
    color: white;
    transition: all 0.3s ease;
}

.btn-warning:hover {
    background-color: #d97706;
    border-color: #d97706;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-outline-primary {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transition: all 0.3s ease;
}

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

.btn-outline-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

/* Header Styles */
.navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95) !important;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 1.8rem;
}

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-link.active {
    color: var(--primary-color) !important;
    font-weight: 600;
}

/* Hero Section */
.hero-section {
    min-height: 80vh;
    position: relative;
    overflow: hidden;
}

.hero-section::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"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>');
    opacity: 0.3;
}

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

.min-vh-75 {
    min-height: 75vh;
}

.hero-buttons .btn {
    margin-bottom: 1rem;
}

.hero-image img {
    border-radius: 1rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.hero-image img:hover {
    transform: scale(1.02);
}

/* Feature Cards */
.feature-card {
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb !important;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1) !important;
    border-color: var(--primary-color) !important;
}

.feature-icon {
    height: 80px;
    display: flex;
    align-items: center;
}

/* Process Steps */
.process-step {
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
}

/* Trend Cards */
.trend-card {
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb !important;
}

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

/* Modal Styles */
.modal-content {
    border-radius: 1rem;
    border: none;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.modal-header {
    border-bottom: 1px solid #e5e7eb;
    padding: 1.5rem;
}

.modal-body {
    padding: 2rem;
}

.form-control {
    border-radius: 0.5rem;
    border: 1px solid #d1d5db;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Footer */
footer {
    background-color: #111827 !important;
}

footer a:hover {
    color: var(--primary-color) !important;
}

.contact-info p {
    display: flex;
    align-items: center;
}

.contact-info i {
    width: 20px;
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        min-height: auto;
        padding: 3rem 0;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 1.75rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .modal-body {
        padding: 1rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* Loading Animation */
.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, 0.2), transparent);
    animation: loading 1.5s infinite;
}

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

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-custom {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.border-gradient {
    border: 2px solid;
    border-image: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) 1;
}

/* Pricing Card Enhancements */
.pricing-card {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15) !important;
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: -30px;
    transform: rotate(45deg);
    z-index: 10;
}

.popular-badge .badge {
    padding: 8px 40px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-amount {
    position: relative;
}

.pricing-amount::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.feature-icon-circle {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
}

/* Legal Content Styling */
.legal-content h2 {
    color: var(--dark-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

.legal-content h4 {
    color: var(--primary-color);
    margin-top: 1.5rem;
}

.legal-content ul {
    padding-left: 1.5rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* Contact Form Page Enhancements */
.contact-form-section {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-info-section {
    background: var(--light-color);
    border-radius: 1rem;
    padding: 2rem;
}

.contact-item {
    padding: 1rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: rgba(79, 70, 229, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

/* Why Choose Cards */
.why-choose-card {
    background: white;
    border-radius: 1rem;
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.why-choose-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.why-choose-icon {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Feature Detail Enhancements */
.feature-detail {
    padding: 2rem;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.feature-detail:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.feature-icon-large {
    height: 80px;
    display: flex;
    align-items: center;
}

.feature-icon-large i {
    font-size: 3rem;
}

/* Integration Enhancements */
.integration-item {
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.integration-item:hover {
    background: white !important;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Accordion Enhancements */
.accordion-button {
    font-weight: 600;
    color: var(--dark-color);
}

.accordion-button:not(.collapsed) {
    background-color: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Included Features */
.included-feature {
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.included-feature:hover {
    transform: translateY(-3px);
}

/* Form Validation Enhancements */
.form-control.is-invalid {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-control.is-valid {
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

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

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: #3730a3;
}

/* Additional Responsive Enhancements */
@media (max-width: 992px) {
    .pricing-card {
        margin-bottom: 2rem;
    }
    
    .feature-detail {
        margin-bottom: 2rem;
    }
    
    .contact-form-section,
    .contact-info-section {
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    .legal-content {
        padding: 1rem;
    }
    
    .contact-form-section,
    .contact-info-section {
        padding: 1.5rem;
    }
    
    .popular-badge {
        top: 15px;
        right: -25px;
    }
    
    .popular-badge .badge {
        padding: 6px 30px;
        font-size: 0.7rem;
    }
}