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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

nav {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #1B8CFB;
    font-size: 1.5rem;
    font-weight: bold;
}

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

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #1B8CFB;
}

footer {
    background: #2c3e50;
    color: #fff;
    padding: 3rem 2rem 1rem;
    margin-top: 4rem;
}

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

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

.footer-section h3 {
    color: #1B8CFB;
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
    color: #ecf0f1;
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
}

.footer-section a:hover {
    color: #1B8CFB;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #bdc3c7;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: #1B8CFB;
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid #1B8CFB;
}

.btn:hover {
    background: transparent;
    color: #1B8CFB;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(27, 140, 251, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #1B8CFB;
}

.btn-secondary:hover {
    background: #1B8CFB;
    color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

h1,
h2,
h3 {
    color: #2c3e50;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: #1B8CFB;
    margin: 1rem auto;
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    h2 {
        font-size: 2rem;
    }

    .container {
        padding: 0 1rem;
    }
}