/* Altos Engineering OÜ - Custom Styles */
:root {
    --primary-color: #10b981;
    --secondary-color: #6b7280;
    --success-color: #059669;
    --danger-color: #dc2626;
    --warning-color: #d97706;
    --info-color: #8b5cf6;
    --light-color: #f9fafb;
    --dark-color: #1f2937;
    --white: #ffffff;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.display-4 {
    font-weight: 700;
}

.display-5 {
    font-weight: 600;
}

.lead {
    font-size: 1.125rem;
    font-weight: 400;
}

/* Navigation */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand img {
    width: auto;
    height: 40px;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: rgba(255, 255, 255, 0.8);
}

.navbar-nav .nav-link.active {
    color: var(--white) !important;
}

.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background-color: var(--white);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="%23f8f9fa"><polygon points="0,0 1000,0 1000,100"/></svg>');
    background-size: 100% 100%;
    opacity: 0.1;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-buttons {
    margin-top: 2rem;
}

.hero-buttons .btn {
    margin-right: 1rem;
    margin-bottom: 0.5rem;
    padding: 0.75rem 2rem;
    font-weight: 500;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.hero-buttons .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.hero-buttons .btn-outline-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.2);
}

/* Page Header */
.page-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--info-color) 100%);
    color: var(--white);
    text-align: center;
}

.page-header h1 {
    color: var(--white);
    margin-bottom: 1rem;
}

.page-header .lead {
    color: rgba(255, 255, 255, 0.9);
}

/* Features Section */
.features {
    padding: 80px 0;
}

.feature-card {
    padding: 2rem;
    height: 100%;
    transition: transform 0.3s ease;
}

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

.feature-icon {
    margin-bottom: 1.5rem;
}

.feature-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Services Section */
.services-preview {
    padding: 80px 0;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    height: 100%;
    transition: all 0.3s ease;
}

.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: 8px;
}

.service-card h4 {
    color: var(--primary-color);
    margin: 1.5rem 0 1rem;
}

.service-card .btn {
    margin-top: 1rem;
}

/* About Page Styles */
.about-content img,
.expertise-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
}

.expertise-card {
    padding: 1.5rem;
    text-align: center;
}

.expertise-card h4 {
    color: var(--primary-color);
    margin: 1rem 0;
}

/* Services Page Styles */
.services-overview {
    padding: 80px 0;
}

.service-detail {
    padding: 2rem 0;
}

.service-detail h3 {
    color: var(--primary-color);
}

.service-detail ul {
    margin: 1.5rem 0;
}

.service-detail ul li {
    margin-bottom: 0.5rem;
}

.tech-stack {
    padding: 80px 0;
}

.tech-card {
    padding: 2rem;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

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

.tech-card h5 {
    color: var(--primary-color);
    margin: 1rem 0;
}

/* Process Section */
.process {
    padding: 80px 0;
}

.process-step {
    padding: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.process-step h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Values Section */
.values {
    padding: 80px 0;
}

.value-card {
    padding: 2rem;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    height: 100%;
    transition: all 0.3s ease;
}

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

.value-card h4 {
    color: var(--primary-color);
    margin: 1rem 0;
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
}

.benefit-card {
    padding: 2rem;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    height: 100%;
    transition: all 0.3s ease;
}

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

.benefit-card h4 {
    color: var(--primary-color);
    margin: 1rem 0;
}

/* Contact Section */
.contact {
    padding: 80px 0;
}

.contact-info {
    padding: 1rem 0;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.contact-item i {
    margin-right: 1rem;
    margin-top: 0.25rem;
}

.contact-item h5 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-item p {
    margin-bottom: 0;
}

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

.contact-item a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-form h3 {
    color: var(--primary-color);
}

.form-label {
    font-weight: 500;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.form-control,
.form-select {
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 0.75rem;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(16, 185, 129, 0.1);
}

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

.form-control.is-valid {
    border-color: var(--success-color);
}

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

.form-check-input {
    margin-right: 0.5rem;
}

.form-check-label {
    font-size: 0.9rem;
}

.form-check-label a {
    color: var(--primary-color);
}

/* Office Hours */
.office-hours {
    padding: 60px 0;
}

.hours-info h5 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* FAQ Section */
.faq {
    padding: 80px 0;
}

.accordion-item {
    border: 1px solid #e9ecef;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.accordion-button {
    background: var(--white);
    border: none;
    font-weight: 500;
    padding: 1rem 1.5rem;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--primary-color);
}

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

.accordion-body {
    padding: 1.5rem;
}

/* Company Info */
.company-info {
    padding: 80px 0;
}

.company-details {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.company-details p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* Policy Pages */
.privacy-content,
.terms-content,
.cookies-content {
    padding: 80px 0;
}

.policy-content,
.terms-content {
    background: var(--white);
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.section {
    margin-bottom: 2rem;
}

.section h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section h4 {
    color: var(--primary-color);
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.section ul {
    margin: 1rem 0;
}

.section li {
    margin-bottom: 0.5rem;
}

.contact-info {
    background: var(--light-color);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

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

.contact-info a:hover {
    text-decoration: underline;
}

/* CTA Section */
.cta {
    padding: 80px 0;
}

.cta h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.cta .lead {
    color: rgba(255, 255, 255, 0.9);
}

.cta .btn {
    padding: 0.75rem 2rem;
    font-weight: 500;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.cta .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

/* Footer */
footer {
    padding: 60px 0 20px;
}

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

footer p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

footer .list-unstyled li {
    margin-bottom: 0.5rem;
}

/* Cookie Consent Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    z-index: 9999;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

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

.cookie-banner p {
    margin-bottom: 0;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        padding: 100px 0 60px;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        text-align: center;
    }
    
    .hero-buttons .btn {
        margin: 0.5rem;
        width: 100%;
        max-width: 250px;
    }
    
    .page-header {
        padding: 100px 0 40px;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .features,
    .services-preview,
    .about-content,
    .services-overview,
    .tech-stack,
    .process,
    .values,
    .benefits,
    .contact,
    .office-hours,
    .faq,
    .company-info,
    .privacy-content,
    .terms-content,
    .cookies-content,
    .cta {
        padding: 60px 0;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-item i {
        margin: 0 0 1rem 0;
    }
    
    .cookie-banner .row {
        text-align: center;
    }
    
    .cookie-banner .col-md-4 {
        margin-top: 1rem;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
    
    .policy-content,
    .terms-content {
        padding: 1.5rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .navbar-brand img {
        height: 32px;
    }
}

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

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

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

/* Button animations */
.btn {
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

/* Image optimization */
img {
    max-width: 100%;
    height: auto;
    loading: lazy;
}

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

/* Focus styles */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Print styles */
@media print {
    .navbar,
    .cookie-banner,
    .cta,
    footer {
        display: none;
    }
    
    .page-header {
        background: none;
        color: var(--dark-color);
    }
    
    .page-header h1 {
        color: var(--dark-color);
    }
}