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

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

h1, h2, h3 {
    font-weight: 600;
    margin-bottom: 1.5rem;
}

p {margin-bottom: 1rem;}

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

section {padding: 5rem 0;}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: #2d2d2d;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background-color: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

/** HEADER **/
header {
    position: fixed;
    width: 100%;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

header.scrolled {padding: 0.5rem 0;}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: #007bff;
    text-decoration: none;
    height: 50px;
}

.logo img {
    width: 100%;
    height: 100%;
}

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

header nav li {margin-left: 2rem;}

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

header nav a:hover {color: #007bff;}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 2px 0;
    transition: all 0.3s ease;
}
/** HEADER **/

/** FOOTER **/
footer {
    background-color: #333;
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.footer-social {margin-bottom: 2rem;}

.social-icon {
    color: white;
    font-size: 1.5rem;
    margin: 0 1rem;
    transition: color 0.3s ease;
}

.social-icon:hover {color: #007bff;}

.footer-nav {margin-bottom: 2rem;}

.footer-nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    flex-wrap: wrap;
}

.footer-nav li {
    margin: 0 1rem;
}

.footer-nav a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-nav a:hover {
    color: #007bff;
}

.copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    font-size: 0.9rem;
    color: #aaa;
}
/** FOOTER **/