:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --accent: #e74c3c;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --success: #2ecc71;
    --warning: #f39c12;
}

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

body {
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.btn {
    display: inline-block;
    background: var(--secondary);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
}

.btn:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.btn-accent {
    background: var(--accent);
}

.btn-accent:hover {
    background: #c0392b;
}

section {
    padding: 40px 0;
}

h1, h2, h3 {
    margin-bottom: 15px;
    color: var(--dark);
}

/* Header Styles */
header {
    background-color: var(--primary);
    color: white;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo img {
    height: 40px;
    width: auto;
}

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

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.menu-toggle {
    display: none;
    font-size: 24px;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
}

/* About Us Section */
.about-us {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    margin: 40px 0;
}

.about-us h1 {
    text-align: center;
    color: var(--primary);
    font-size: 28px;
}

.about-us h2 {
    font-size: 20px;
    color: var(--primary);
    margin-top: 25px;
}

.about-us p {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
}

.about-us ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.about-us ul li {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}

.about-us a {
    color: var(--secondary);
    text-decoration: none;
}

.about-us a:hover {
    text-decoration: underline;
}

.team-members {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.team-member {
    text-align: center;
    padding: 15px;
    border-radius: 8px;
    background-color: var(--light);
}

.team-member i {
    font-size: 40px;
    color: var(--secondary);
    margin-bottom: 10px;
}

.team-member h3 {
    font-size: 18px;
    color: var(--primary);
}

.team-member p {
    font-size: 12px;
}

.team-member .social-links {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

.team-member .social-links a {
    color: var(--secondary);
    font-size: 16px;
    transition: color 0.3s ease;
}

.team-member .social-links a:hover {
    color: var(--accent);
}

/* Footer */
footer {
    background-color: var(--dark);
    color: white;
    padding: 40px 0 15px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 25px;
    margin-bottom: 25px;
}

.footer-column h3 {
    color: var(--secondary);
    margin-bottom: 15px;
    font-size: 16px;
}

.footer-column p {
    font-size: 14px;
    color: #bdc3c7;
}

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

.footer-column ul li {
    margin-bottom: 8px;
}

.footer-column ul li a {
    color: #bdc3c7;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-column .social-links {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.footer-column .social-links a {
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.3s ease;
}

.footer-column .social-links a:hover {
    background-color: var(--secondary);
    transform: translateY(-3px);
}

.footer-column form input {
    width: 100%;
    padding: 8px;
    margin-bottom: 8px;
    border-radius: 5px;
    border: none;
    font-size: 14px;
}

.footer-column form button {
    width: 100%;
    font-size: 14px;
}

.copyright {
    text-align: center;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #bdc3c7;
    font-size: 12px;
}

/* Responsive Styles */
@media (max-width: 768px) {
    /* Header */
    .header-container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
    
    .logo img {
        height: 35px;
    }
    
    .menu-toggle {
        display: block;
        position: static;
    }
    
    nav {
        width: 100%;
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        background-color: var(--primary);
    }
    
    nav.active {
        display: block;
    }
    
    nav ul {
        flex-direction: column;
        padding: 10px 0;
    }
    
    nav ul li {
        margin: 10px 15px;
    }
    
    nav ul li a {
        font-size: 16px;
    }
    
    /* About Us */
    .about-us {
        padding: 20px;
        margin: 30px 0;
    }
    
    .about-us h1 {
        font-size: 24px;
    }
    
    .about-us h2 {
        font-size: 18px;
    }
    
    .about-us p, .about-us ul li {
        font-size: 12px;
    }
    
    .team-members {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .team-member {
        padding: 10px;
    }
    
    .team-member i {
        font-size: 35px;
    }
    
    .team-member h3 {
        font-size: 16px;
    }
    
    .team-member p {
        font-size: 11px;
    }
    
    /* Footer */
    footer {
        padding: 30px 0 10px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-column h3 {
        font-size: 14px;
    }
    
    .footer-column p {
        font-size: 12px;
    }
    
    .footer-column ul li a {
        font-size: 12px;
    }
    
    .footer-column .social-links a {
        width: 30px;
        height: 30px;
        font-size: 14px;
    }
    
    .footer-column form input {
        padding: 6px;
        font-size: 12px;
    }
    
    .footer-column form button {
        padding: 8px;
        font-size: 12px;
    }
    
    .copyright {
        font-size: 10px;
    }
}

@media (max-width: 480px) {
    section {
        padding: 30px 0;
    }
    
    .container {
        padding: 0 10px;
    }
    
    .logo img {
        height: 30px;
    }
    
    .menu-toggle {
        font-size: 20px;
    }
    
    .about-us {
        padding: 15px;
    }
    
    .about-us h1 {
        font-size: 20px;
    }
    
    .about-us h2 {
        font-size: 16px;
    }
}