:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --text-color: #1e293b;
    --light-text: #64748b;
    --background-color: #ffffff;
    --light-background: #f8fafc;
    --border-color: #e2e8f0;
    --error-color: #ef4444;
    --success-color: #22c55e;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--background-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
header {
    background-color: var(--background-color);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    position: relative;
}

.company-name-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.company-name h1 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1100;
    order: 1;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.language-switcher {
    display: flex;
    gap: 0.5rem;
}

.language-switcher button {
    background: none;
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.language-switcher button.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Mobile Navigation Toggle */
.main-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

@media screen and (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
        align-items: center;
    }

    .company-name-container {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .menu-toggle {
        display: block;
        order: 2;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background-color: var(--background-color);
        flex-direction: column;
        align-items: flex-start;
        padding: 4rem 2rem;
        box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease-in-out;
        z-index: 1000;
    }

    .main-nav.active {
        right: 0;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
        gap: 1rem;
        margin-bottom: 2rem;
    }

    .nav-links a {
        display: block;
        width: 100%;
        padding: 0.5rem 0;
        text-align: left;
    }

    .language-switcher {
        width: 100%;
        display: flex;
        justify-content: space-between;
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 8rem 0 6rem;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    padding: 6rem 0;
    background-color: var(--light-background);
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.about-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

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

.about-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Services Section */
.services {
    padding: 6rem 0;
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s;
}

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

.service-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background-color: var(--light-background);
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

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

.contact-info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.contact-info-item p {
    margin: 0.5rem 0;
    line-height: 1.6;
    white-space: pre-line;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.error-message {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.captcha-group {
    margin-bottom: 1.5rem;
}

.captcha-container {
    display: flex;
    gap: 1rem;
    margin: 0.5rem 0;
    align-items: center;
}

#captcha-image {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    height: 40px;
}

#refresh-captcha {
    background: none;
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

#refresh-captcha:hover {
    background-color: var(--light-background);
}

button[type="submit"] {
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.2s;
}

button[type="submit"]:hover {
    background-color: var(--primary-dark);
}

/* Footer */
footer {
    background-color: var(--text-color);
    color: white;
    padding: 4rem 0 0;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.footer-section p {
    margin: 0.5rem 0;
    line-height: 1.6;
    white-space: pre-line;
}

.footer-section a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    margin-top: 4rem;
    padding: 1.5rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        padding: 1rem;
    }

    .nav-links {
        flex-direction: column;
        gap: 1rem;
        margin-top: 1rem;
    }

    .hero {
        padding: 6rem 0 4rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}