/* Custom CSS for AirSurvey Technologies OÜ */

/* Root variables for consistent theming */
:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --success-color: #059669;
    --warning-color: #d97706;
    --danger-color: #dc2626;
    --info-color: #0ea5e9;
    --light-color: #f8fafc;
    --dark-color: #1e293b;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --gradient-primary: linear-gradient(135deg, #2563eb, #1e40af);
    --gradient-secondary: linear-gradient(135deg, #f59e0b, #d97706);
    --gradient-accent: linear-gradient(135deg, #059669, #047857);
}

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

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

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

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

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

::-webkit-scrollbar-thumb:hover {
    background: #0b5ed7;
}

/* Navigation styles */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    background: var(--gradient-primary) !important;
}

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

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

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

/* Hero section */
.hero-section {
    position: relative;
    min-height: 100vh;
    background: var(--gradient-primary);
    background-image: url('../images/hero-construction.jpg');
    background-size: cover;
    background-position: center;
    background-blend-mode: multiply;
    display: flex;
    align-items: center;
    color: var(--white);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(37, 99, 235, 0.1);
    z-index: 1;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,1000 1000,200 1000,1000"/></svg>');
    z-index: 0;
}

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

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-section .lead {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

/* Page header */
.page-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 8rem 0 4rem;
    margin-top: 76px;
}

/* New section styles */
.bg-gradient-primary {
    background: var(--gradient-primary) !important;
}

.bg-gradient-secondary {
    background: var(--gradient-secondary) !important;
}

.bg-gradient-accent {
    background: var(--gradient-accent) !important;
}

/* Hero card styles */
.hero-card {
    position: relative;
    z-index: 2;
    margin-top: 2rem;
}

.icon-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.hero-stats .stat-item {
    text-align: center;
    padding: 1rem 0;
}

.hero-stats h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

/* Info card styles */
.info-card {
    padding: 2rem;
    transition: transform 0.3s ease;
}

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

.icon-wrapper {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto;
}

/* Feature card styles */
.feature-card {
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto;
}

.feature-stats {
    margin-top: 1rem;
}

/* Expertise styles */
.expertise-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.expertise-item {
    padding: 1rem;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    transition: background 0.3s ease;
}

.expertise-item:hover {
    background: rgba(255,255,255,0.2);
}

.stat-card {
    text-align: center;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

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

/* Process styles */
.process-step-card {
    position: relative;
    padding: 2rem;
    transition: transform 0.3s ease;
}

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

.process-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    margin: 0 auto 1rem;
    position: relative;
    z-index: 2;
}

.process-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Testimonial styles */
.testimonial-card {
    height: 100%;
}

.testimonial-card .card {
    transition: transform 0.3s ease;
}

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

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

.testimonial-author h6 {
    color: var(--primary-color);
}

/* CTA styles */
.cta-feature {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.cta-feature i {
    opacity: 0.8;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.page-header .lead {
    font-size: 1.2rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

/* Cookie banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--dark-color);
    color: var(--white);
    padding: 1rem 0;
    z-index: 1050;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.3);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

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

.cookie-banner p {
    margin: 0;
    font-size: 0.9rem;
}

.cookie-banner a {
    color: var(--info-color);
    text-decoration: underline;
}

.cookie-banner a:hover {
    color: var(--white);
}

/* Cards */
.card {
    border: none;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

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

.card-body {
    padding: 2rem;
}

.card-title {
    font-weight: 700;
    color: var(--dark-color);
}

/* Service cards */
.service-card {
    text-align: center;
    padding: 1.5rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 0.5rem;
}

.service-card h5 {
    font-weight: 700;
    color: var(--dark-color);
    margin: 1rem 0;
}

.service-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Service detail pages */
.service-detail {
    padding: 2rem;
    background: var(--white);
    border-radius: 0.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.service-detail img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 0.5rem;
}

.service-detail h3 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.service-detail .lead {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

.service-detail ul {
    list-style: none;
    padding: 0;
}

.service-detail li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.service-detail li:last-child {
    border-bottom: none;
}

/* Forms */
.form-control {
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-300);
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.form-select {
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-300);
    transition: all 0.3s ease;
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-check-input {
    margin-top: 0.25rem;
}

.form-check-label {
    font-weight: 500;
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--danger-color);
}

.is-invalid .form-control,
.is-invalid .form-select {
    border-color: var(--danger-color);
}

/* Buttons */
.btn {
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.btn-primary:hover {
    background: #0b5ed7;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(13, 110, 253, 0.3);
}

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

.btn-outline-light:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Contact information */
.contact-info {
    padding: 1.5rem;
}

.contact-info i {
    font-size: 1.2rem;
    margin-right: 0.5rem;
}

.contact-info strong {
    color: var(--dark-color);
}

.contact-info a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-info a:hover {
    color: #0b5ed7;
    text-decoration: underline;
}

/* Business hours */
.business-hours {
    padding: 1.5rem;
}

.business-hours .d-flex {
    font-size: 0.9rem;
    color: var(--gray-700);
}

.business-hours .small {
    color: var(--gray-600);
}

/* Process steps */
.process-step {
    padding: 2rem;
    text-align: center;
    color: var(--white);
}

.process-step i {
    margin-bottom: 1rem;
    opacity: 0.9;
}

.process-step h5 {
    font-weight: 700;
    margin-bottom: 1rem;
}

.process-step p {
    opacity: 0.9;
    line-height: 1.6;
}

/* Tables */
.table {
    background: var(--white);
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.table th {
    background: var(--gray-100);
    font-weight: 700;
    color: var(--dark-color);
    border-bottom: 2px solid var(--gray-300);
}

.table td {
    border-bottom: 1px solid var(--gray-200);
    color: var(--gray-700);
}

.table-striped tbody tr:nth-of-type(odd) {
    background: var(--gray-50, #f9f9f9);
}

/* Alerts */
.alert {
    border: none;
    border-radius: 0.5rem;
    padding: 1rem 1.5rem;
    margin: 1rem 0;
}

.alert-success {
    background: rgba(25, 135, 84, 0.1);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.alert-info {
    background: rgba(13, 202, 240, 0.1);
    color: var(--info-color);
    border-left: 4px solid var(--info-color);
}

.alert-warning {
    background: rgba(255, 193, 7, 0.1);
    color: var(--warning-color);
    border-left: 4px solid var(--warning-color);
}

/* Footer */
footer {
    background: var(--dark-color) !important;
    color: var(--white);
    padding: 3rem 0 1rem;
}

footer h5 {
    color: var(--white);
    font-weight: 700;
    margin-bottom: 1rem;
}

footer a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--white);
}

footer .text-muted {
    color: var(--gray-400) !important;
}

/* Responsive design */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section .lead {
        font-size: 1.1rem;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .page-header .lead {
        font-size: 1.1rem;
    }
    
    .service-card {
        margin-bottom: 2rem;
    }
    
    .service-detail {
        padding: 1.5rem;
    }
    
    .contact-info {
        padding: 1rem;
    }
    
    .business-hours {
        padding: 1rem;
    }
    
    .process-step {
        padding: 1.5rem;
    }
    
    .cookie-banner .row {
        flex-direction: column;
        gap: 1rem;
    }
    
    .cookie-banner .text-end {
        text-align: center !important;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .service-card img {
        height: 150px;
    }
    
    .service-detail img {
        height: 200px;
    }
}

/* Print styles */
@media print {
    .navbar,
    .cookie-banner,
    .btn,
    footer {
        display: none !important;
    }
    
    .hero-section {
        min-height: auto;
        padding: 2rem 0;
    }
    
    .page-header {
        padding: 2rem 0;
        margin-top: 0;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #000;
    }
}

/* 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 styles for better accessibility */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .hero-section {
        background: var(--dark-color);
    }
    
    .card {
        border: 2px solid var(--dark-color);
    }
    
    .btn-primary {
        border: 2px solid var(--white);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Animation classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Loading states */
.loading {
    position: relative;
    color: transparent;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid var(--gray-300);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}