:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --bg-light: #f8f9fa;
    --bg-dark: #212529;
    --text-light: #212529;
    --text-dark: #f8f9fa;
    --card-bg-light: #ffffff;
    --card-bg-dark: #2c3034;
    --border-light: #dee2e6;
    --border-dark: #495057;
}

[data-theme="dark"] {
    --bg-light: #1a1d20;
    --text-light: #f8f9fa;
    --card-bg-light: #2c3034;
    --border-light: #495057;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--bg-light);
    transition: background-color 0.3s ease, color 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

.navbar {
    background-color: var(--card-bg-light) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand i {
    color: var(--primary-color);
    font-size: 1.8rem;
}

.nav-link {
    color: var(--text-light) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: color 0.3s ease;
}

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

.language-selector {
    border: 1px solid var(--border-light);
    background-color: var(--card-bg-light);
    color: var(--text-light);
    max-width: 100px;
}

#themeToggle {
    padding: 0.5rem 1rem;
}

#themeToggle i {
    font-size: 1.2rem;
}

.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-section::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 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,133.3C672,139,768,181,864,181.3C960,181,1056,139,1152,128C1248,117,1344,139,1392,149.3L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: bottom;
}

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

.section-padding {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.bg-light {
    background-color: var(--bg-light) !important;
}

.about-card {
    background-color: var(--card-bg-light);
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: start;
}

.feature-item i {
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.feature-item h5 {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-light);
}

.feature-item p {
    margin: 0;
    color: var(--secondary-color);
}

.service-card {
    background-color: var(--card-bg-light);
    border-radius: 1rem;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-light);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.service-card p {
    color: var(--secondary-color);
    margin: 0;
}

.contact-info,
.contact-form-wrapper {
    background-color: var(--card-bg-light);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.info-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    font-size: 1.5rem;
    color: white;
}

.info-item h5 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.info-item p {
    margin: 0;
    color: var(--secondary-color);
}

.company-info {
    background-color: var(--bg-light);
    border-radius: 0.75rem;
    border: 1px solid var(--border-light);
}

.company-info h5 {
    color: var(--text-light);
    font-weight: 600;
}

.company-info p {
    margin-bottom: 0.75rem;
    color: var(--secondary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.social-link i {
    font-size: 1.3rem;
}

.form-label {
    font-weight: 600;
    color: var(--text-light);
}

.form-control {
    background-color: var(--bg-light);
    border: 1px solid var(--border-light);
    color: var(--text-light);
    padding: 0.75rem;
    border-radius: 0.5rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

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

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #5a67d8 0%, #6b42a1 100%);
}

.footer {
    background-color: var(--card-bg-dark);
    color: var(--text-dark);
    padding: 3rem 0;
    margin-top: 5rem;
}

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

.footer-brand i {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.footer p {
    margin-bottom: 0.5rem;
}

.navbar-toggler {
    border-color: var(--border-light);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(33, 37, 41, 0.75)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

[data-theme="dark"] .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(248, 249, 250, 0.75)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .hero-section h1 {
        font-size: 2.5rem;
    }

    .section-padding {
        padding: 3rem 0;
    }

    .service-card,
    .contact-info,
    .contact-form-wrapper {
        margin-bottom: 1.5rem;
    }
}

.alert {
    border-radius: 0.5rem;
    padding: 1rem;
}