/* Custom CSS for HVAC Website */
:root {
    --primary-color: #198754;
    --primary-dark: #146c43;
    --primary-light: #d1e7dd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

/* Global Styles */
body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
}

/* Logo Styles */
.logo-icon {
    width: 40px;
    height: 40px;
}

/* Navigation Styles */
.navbar {
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--dark-color) !important;
    transition: color 0.3s ease;
    margin: 0 0.5rem;
}

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

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    background-image: url('https://images.pexels.com/photos/1396132/pexels-photo-1396132.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.4) 100%);
    z-index: 2;
}

.hero-section .container {
    z-index: 3;
}

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

/* Button Styles */
.btn {
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
}

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

.btn-success:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(25, 135, 84, 0.3);
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.1rem;
}

/* Card Styles */
.card {
    border-radius: 12px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Section Spacing */
section {
    padding: 5rem 0;
}

/* Reviews Section */
.text-warning {
    color: #ffc107 !important;
}

/* Background Utilities */
.bg-success-subtle {
    background-color: var(--primary-light) !important;
}

.text-success-light {
    color: rgba(255,255,255,0.8) !important;
}

/* Gradient Backgrounds */
.bg-gradient-primary {
    background: linear-gradient(135deg, #007bff, #6f42c1) !important;
}

/* Contact Info Styles */
.contact-info .fas {
    width: 20px;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem !important;
    }
    
    .display-4 {
        font-size: 2rem !important;
    }
    
    .display-5 {
        font-size: 1.8rem !important;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .btn-lg {
        padding: 0.6rem 1.5rem;
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem !important;
    }
    
    .lead {
        font-size: 1.1rem !important;
    }
}

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

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

/* Hover Effects */
.hover-lift {
    transition: transform 0.3s ease;
}

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

/* 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(--primary-dark);
}

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

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

/* Form Styles */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(25, 135, 84, 0.25);
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(25, 135, 84, 0.25);
}

/* Modal Styles */
.modal-content {
    border-radius: 12px;
    border: none;
}

.modal-header {
    border-bottom: 1px solid #dee2e6;
    padding: 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid #dee2e6;
    padding: 1.5rem;
}

/* Utility Classes */
.text-shadow {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.box-shadow {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.border-radius-lg {
    border-radius: 12px !important;
}

.border-radius-xl {
    border-radius: 16px !important;
}