/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-bg: #f3f4f6;
    --white: #ffffff;
    --max-width: 1200px;
}

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

/* Header styles */
.header {
    position: fixed;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero section */
.hero {
    padding: 8rem 1rem 4rem;
    background: linear-gradient(135deg, #f6f7ff 0%, #e6e9ff 100%);
    text-align: center;
}

.hero-content {
    max-width: var(--max-width);
    margin: 0 auto;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.cta-button {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: var(--secondary-color);
}

/* Features section */
.features {
    padding: 4rem 1rem;
    background-color: var(--white);
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.feature-card {
    padding: 2rem;
    background-color: var(--light-bg);
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease;
}

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

/* Tool section */
.tool {
    padding: 4rem 1rem;
    background-color: var(--light-bg);
}

.tool h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.tool-container {
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}

.tool-button {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tool-button:hover {
    background-color: var(--secondary-color);
    transform: scale(1.05);
}

/* Applications section */
.applications {
    padding: 4rem 1rem;
    background-color: var(--white);
}

.applications h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.app-card {
    padding: 2rem;
    background-color: var(--light-bg);
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease;
}

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

/* Contact section */
.contact {
    padding: 4rem 1rem;
    background-color: var(--light-bg);
}

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

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
}

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

.submit-button {
    padding: 1rem;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-button:hover {
    background-color: var(--secondary-color);
}

/* Footer styles */
.footer {
    background-color: var(--text-color);
    color: var(--white);
    padding: 4rem 1rem 2rem;
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .feature-grid,
    .app-grid {
        grid-template-columns: 1fr;
    }
}

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

.feature-card,
.app-card {
    animation: fadeIn 0.5s ease-out forwards;
}


.language-selector {
    position: relative;
    margin-left: 2rem;
}

.language-selector select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    background-color: var(--white);
    color: var(--text-color);
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
}

.language-selector select:hover {
    border-color: var(--secondary-color);
}

.language-selector select:focus {
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

/* Make sure language selector is visible on mobile */
@media (max-width: 768px) {
    .nav-container {
        justify-content: space-between;
        padding: 1rem;
    }

    .language-selector {
        margin-left: 1rem;
    }

    .nav-links {
        display: none;
    }
}