/* Global Styles */
:root {
    --primary-color: #4a90e2;
    --secondary-color: #6c63ff;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --medium-gray: #e0e0e0;
    --dark-gray: #666;
    --white: #fff;
    --max-width: 1200px;
    --border-radius: 4px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 15px;
    line-height: 1.3;
}

p {
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 12px 24px;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
}

.btn:hover {
    background-color: var(--secondary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

section {
    padding: 80px 0;
}

/* Header */
header {
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

nav {
    display: flex;
    align-items: center;
}

nav ul {
    display: flex;
    list-style: none;
    margin-right: 20px;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--text-color);
    font-weight: 500;
}

nav ul li a:hover {
    color: var(--primary-color);
}

.lang-switch {
    display: flex;
    gap: 5px;
    margin-left: 20px;
}

.lang-btn {
    background: none;
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    padding: 5px 10px;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.lang-btn:hover {
    background-color: var(--light-gray);
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(to right, #f5f7fa, #c3cfe2);
    text-align: center;
    padding-top: 80px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.hero h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--dark-gray);
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* About Section */
.about {
    background-color: var(--white);
}

.about h2 {
    text-align: center;
    margin-bottom: 50px;
}

.about .content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about .image {
    flex: 1;
}

.about .text {
    flex: 1;
}

/* Benefits Section */
.benefits {
    background-color: var(--light-gray);
    text-align: center;
}

.benefits h2 {
    margin-bottom: 50px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.benefit-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.benefit-card .icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.benefit-card h3 {
    margin-bottom: 15px;
}

/* Testimonials Section */
.testimonials {
    background-color: var(--white);
    text-align: center;
}

.testimonials h2 {
    margin-bottom: 50px;
}

.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.testimonial {
    background-color: var(--light-gray);
    padding: 30px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.testimonial p {
    font-style: italic;
    font-size: 18px;
}

.testimonial .author {
    font-weight: 600;
    color: var(--primary-color);
}

/* Contact Section */
.contact {
    background-color: var(--light-gray);
    text-align: center;
}

.contact h2 {
    margin-bottom: 20px;
}

.contact p {
    max-width: 700px;
    margin: 0 auto 30px;
}

form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

input, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    font-size: 16px;
}

textarea {
    height: 150px;
    resize: vertical;
}

#formResponse {
    margin-top: 20px;
    font-weight: 600;
}

/* Footer */
footer {
    background-color: var(--text-color);
    color: var(--white);
    text-align: center;
    padding: 30px 0;
}

/* Responsive Styles */
@media (max-width: 900px) {
    .about .content {
        flex-direction: column;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero h2 {
        font-size: 24px;
    }
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
    }
    
    nav {
        flex-direction: column;
        align-items: center;
    }
    
    nav ul {
        margin-top: 20px;
        margin-right: 0;
    }
    
    nav ul li {
        margin-left: 15px;
        margin-right: 15px;
    }
    
    .lang-switch {
        margin-top: 15px;
        margin-left: 0;
    }
    
    .hero {
        height: auto;
        padding: 150px 0 80px;
    }
    
    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero h2 {
        font-size: 20px;
    }
}