/* Global Styles */
:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --success-color: #4caf50;
    --danger-color: #f44336;
    --warning-color: #ff9800;
    --info-color: #2196f3;
    --dark-color: #1a1a2e;
    --light-color: #f8f9fa;
    --gradient-start: #4361ee;
    --gradient-end: #3f37c9;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: #333;
    overflow-x: hidden;
    background-color: #fff;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

.text-gradient {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hero Section */
.hero-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f5f7ff 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

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

/* Upload Card */
.upload-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    padding: 40px;
    transition: transform 0.3s ease;
}

.upload-area {
    border: 2px dashed #dee2e6;
    border-radius: 15px;
    padding: 50px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #fafbfc;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: #f8f9fa;
}

.upload-area.drag-over {
    border-color: var(--primary-color);
    background: #e9ecef;
}

/* Tool Cards */
.tool-card {
    background: white;
    border-radius: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    height: 100%;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}

.tool-icon {
    width: 80px;
    height: 80px;
    line-height: 80px;
    text-align: center;
    background: linear-gradient(135deg, rgba(67,97,238,0.1), rgba(63,55,201,0.1));
    border-radius: 50%;
    margin: 0 auto 20px;
}

/* Stat Boxes */
.stat-box {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-label {
    color: #6c757d;
    font-size: 1rem;
}

/* Feature Cards */
.feature-card {
    background: white;
    border-radius: 15px;
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
}

/* Testimonial Cards */
.testimonial-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    height: 100%;
}

.testimonial-card .stars {
    margin-top: 10px;
    font-size: 14px;
}

/* Buttons */
.btn {
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(67,97,238,0.4);
}

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

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

/* Forms */
.form-control {
    border-radius: 10px;
    border: 1px solid #dee2e6;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(67,97,238,0.25);
}

/* Progress Bar */
.progress {
    height: 8px;
    border-radius: 10px;
    background: #e9ecef;
}

.progress-bar {
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    border-radius: 10px;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.8);
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 9999;
}

.loading-overlay.show {
    display: flex;
}

/* Cards */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.card-header {
    background: white;
    border-bottom: 1px solid #e9ecef;
    padding: 20px 25px;
    border-radius: 15px 15px 0 0 !important;
    font-weight: 600;
}

/* Tables */
.table-responsive {
    border-radius: 15px;
    overflow: hidden;
}

.table {
    margin-bottom: 0;
}

.table thead th {
    background: #f8f9fa;
    border: none;
    padding: 15px;
    font-weight: 600;
}

.table tbody tr:hover {
    background: #f8f9fa;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 10px;
    padding: 15px 20px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
}

/* Badges */
.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 500;
}

.badge-success {
    background: #d4edda;
    color: #155724;
}

.badge-warning {
    background: #fff3cd;
    color: #856404;
}

.badge-danger {
    background: #f8d7da;
    color: #721c24;
}

/* Accordion */
.accordion-item {
    border: none;
    margin-bottom: 10px;
    border-radius: 10px !important;
    overflow: hidden;
}

.accordion-button {
    background: white;
    font-weight: 600;
    padding: 15px 20px;
}

.accordion-button:not(.collapsed) {
    background: var(--primary-color);
    color: white;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: none;
}

/* Footer */
footer {
    background: var(--dark-color);
}

footer a {
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: white !important;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Dashboard Stats */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.stat-card h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-card p {
    color: #6c757d;
    margin-bottom: 0;
}

/* Pricing Cards */
.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card.featured {
    transform: scale(1.05);
    border: 2px solid var(--primary-color);
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin: 20px 0;
}

.pricing-card .price span {
    font-size: 1rem;
    color: #6c757d;
}

.popular-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        padding: 40px 0;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .upload-card {
        padding: 20px;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

/* Glassmorphic Navbar */
.glass-nav {
    background: rgba(0, 0, 0, 0.7) !important;
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
}

/* Hero Card */
.hero-card {
    transition: transform 0.3s ease;
}
.hero-card:hover {
    transform: translateY(-5px);
}

/* Upload Area */
.upload-area {
    cursor: pointer;
    transition: all 0.3s ease;
    background: #fafbfc;
}
.upload-area.drag-over {
    border-color: var(--primary-color);
    background: #e9ecef;
}

/* Progress Bar Animation */
.progress-bar {
    transition: width 0.3s ease;
}