:root {
    --primary-color: #1a73e8;
    --secondary-color: #4285f4;
    --accent-color: #0d47a1;
    --light-color: #e8f0fe;
    --dark-color: #283142;
    --white: #ffffff;
    --gray: #f8f9fa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
    background-color: var(--gray);
}

header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    width: 40px;
    margin-right: 10px;
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: 600;
}

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

.nav-links li {
    margin-left: 2rem;
}

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

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

.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 12rem 5% 8rem;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
}

.btn {
    display: inline-block;
    background-color: var(--white);
    color: var(--primary-color);
    padding: 0.8rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    margin-right: 1rem;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

.btn-outline:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

.features {
    padding: 5rem 5%;
    background-color: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.section-header p {
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

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

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

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    color: var(--white);
    font-size: 1.5rem;
}

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

.about {
    padding: 5rem 5%;
    background-color: var(--gray);
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.about-text h2 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1.5rem;
}

.testimonials {
    padding: 5rem 5%;
    background-color: var(--white);
}

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

.testimonial-card {
    background-color: var(--light-color);
    border-radius: 8px;
    padding: 2rem;
    position: relative;
}

.testimonial-card p {
    margin-bottom: 1.5rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 1rem;
}

.author-info h4 {
    color: var(--dark-color);
}

.author-info p {
    color: #666;
    margin: 0;
}

.contact {
    padding: 5rem 5%;
    background-color: var(--gray);
}

.contact-form {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

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

button[type="submit"] {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s;
}

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

footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 3rem 5%;
    text-align: center;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: left;
}

.footer-column h3 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-column p {
    margin-bottom: 1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column ul li a:hover {
    color: var(--white);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    margin-right: 0.5rem;
    transition: background-color 0.3s;
}

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

.copyright {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--dark-color);
    font-size: 1.5rem;
    cursor: pointer;
}

@media screen and (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        height: calc(100vh - 70px);
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        transform: translateX(0);
    }
    
    .nav-links li {
        margin: 1.5rem 0;
    }
    
    .hero {
        padding: 10rem 5% 6rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
}