/* Main Stylesheet for Construction Estimator */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 100px 0;
    color: white;
}

.hero-section h1 {
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

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

/* Features Section */
.features-section {
    background: #f8f9fa;
}

.feature-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.2);
}

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

/* Estimation Form Section */
.estimation-section {
    background: #f8f9fa;
}

.card {
    border: none;
    border-radius: 15px;
}

.card-header {
    border-radius: 15px 15px 0 0 !important;
}

.construction-type-cards .btn-outline-primary,
.construction-type-cards .btn-outline-success,
.construction-type-cards .btn-outline-warning {
    border: 2px solid;
    text-align: center;
    transition: all 0.3s ease;
}

.construction-type-cards .btn-check:checked + label {
    background-color: var(--bs-btn-bg);
    color: white;
    transform: scale(1.05);
}

.construction-type-cards label i {
    display: block;
}

.construction-type-cards label h5 {
    font-size: 1.1rem;
    margin: 10px 0;
}

.construction-type-cards label strong {
    display: block;
    font-size: 0.95rem;
    margin-top: 5px;
}

/* How It Works Section */
.how-it-works-section {
    background: white;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto;
}

/* Table Styles */
.table-hover tbody tr:hover {
    background-color: #f8f9fa;
    cursor: pointer;
}

.table thead th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

/* Buttons */
.btn {
    border-radius: 8px;
    padding: 10px 25px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-lg {
    padding: 12px 30px;
    font-size: 1.1rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

/* Form Controls */
.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid #dee2e6;
    padding: 10px 15px;
}

.form-control:focus, .form-select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.25rem rgba(102, 126, 234, 0.25);
}

/* Alerts */
.alert {
    border-radius: 8px;
    border: none;
}

/* Footer */
footer {
    margin-top: 50px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .construction-type-cards .col-md-4 {
        margin-bottom: 15px;
    }
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        font-size: 12px;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #dee2e6;
    }
    
    .table {
        font-size: 11px;
    }
}

/* Loading Spinner */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.spinner-overlay.active {
    display: flex;
}

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

/* Card Shadow Variations */
.shadow {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

/* Custom Border */
.border-start {
    border-left-width: 4px !important;
}

/* Navbar Customization */
.navbar-brand {
    font-weight: 600;
    font-size: 1.3rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 10px;
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-in;
}