/* Custom CSS for Frosted Expanse - Sustainable Energy Investment */

/* CSS Variables for consistent theming */
:root {
    --primary-color: #0d47a1;
    --secondary-color: #1976d2;
    --success-color: #2e7d32;
    --warning-color: #f57c00;
    --danger-color: #c62828;
    --info-color: #0288d1;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gradient-primary: linear-gradient(135deg, #0d47a1 0%, #1976d2 100%);
    --gradient-success: linear-gradient(135deg, #2e7d32 0%, #4caf50 100%);
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom Bootstrap Overrides */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

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

.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Navigation Styles */
.navbar {
    padding: 1rem 0;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    background: rgba(13, 71, 161, 0.95) !important;
    backdrop-filter: blur(10px);
}

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

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    transition: var(--transition);
}

.navbar-nav .nav-link:hover {
    color: #ffd54f !important;
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.1;
}

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

.hero-image {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
}

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

/* Service Cards */
.service-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.service-icon {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-image {
    max-width: 80px;
    max-height: 80px;
}

/* Testimonial Cards */
.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.stars i {
    font-size: 1.1rem;
}

/* Contact Information */
.contact-info {
    background: var(--light-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    height: 100%;
}

.contact-item {
    padding: 1rem 0;
    border-bottom: 1px solid #dee2e6;
}

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

/* Contact Form */
.contact-form {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-control {
    border-radius: var(--border-radius);
    border: 2px solid #e9ecef;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 71, 161, 0.25);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--dark-color);
    color: white;
    padding: 1rem 0;
    z-index: 1050;
    transform: translateY(100%);
    transition: var(--transition);
}

.cookie-banner.show {
    transform: translateY(0);
}

/* Success Icon Animation */
@keyframes checkmark {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.success-icon i {
    animation: checkmark 0.6s ease-in-out;
}

/* Social Links */
.social-links a {
    transition: var(--transition);
}

.social-links a:hover {
    transform: translateY(-3px);
    color: #ffd54f !important;
}

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

footer h5 {
    color: white;
    font-weight: 600;
    margin-bottom: 1rem;
}

footer ul li {
    margin-bottom: 0.5rem;
}

footer a {
    text-decoration: none;
    transition: var(--transition);
}

footer a:hover {
    color: #ffd54f !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        min-height: 90vh;
        text-align: center;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 1.8rem;
    }
    
    .service-card,
    .testimonial-card {
        margin-bottom: 2rem;
    }
    
    .contact-info {
        margin-bottom: 2rem;
    }
    
    .cookie-banner .col-md-4 {
        margin-top: 1rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .service-card,
    .testimonial-card,
    .contact-form {
        padding: 1.5rem;
    }
}

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

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

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

.bg-gradient-primary {
    background: var(--gradient-primary);
}

.bg-gradient-success {
    background: var(--gradient-success);
}

.border-radius {
    border-radius: var(--border-radius);
}

.box-shadow {
    box-shadow: var(--box-shadow);
}

/* Print Styles */
@media print {
    .navbar,
    .cookie-banner,
    .btn,
    .social-links {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    .card {
        border: 1px solid #000;
        box-shadow: none;
    }
}

/* Accessibility Improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid var(--dark-color);
    }
    
    .btn {
        border-width: 2px;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .success-icon i {
        animation: none;
    }
}