body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background-color: #f9f9f9;
    margin: 0;
    padding: 0;
    color: #3f292b;
}

.container {
    width: 80%;
    margin: auto;
    padding: 40px 0;
}

.description, .certificates, .technologies, .help {
    background-color: #fff;
    margin: 20px 0;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.description:hover, .certificates:hover, .technologies:hover, .help:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}

.profile {
    display: flex;
    align-items: center;
    margin: 20px 0;
    padding: 30px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.profile img {
    width: 120px;
    height: 120px;
    border-radius: 60px;
    margin-right: 25px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

h1, h2, h3 {
    color: #3f292b;
    margin-bottom: 20px;
    font-weight: 700;
}

h1 {
    font-size: 2.2em;
}

h2 {
    font-size: 1.8em;
    border-bottom: 2px solid #d34f73;
    padding-bottom: 10px;
}

h3 {
    font-size: 1.4em;
}

p, ul {
    color: #3f292b;
    line-height: 1.8;
}

nav {
    background-color: #3f292b;
    color: #fff;
    padding: 15px 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

nav .left-nav, nav .right-nav {
    display: flex;
    align-items: center;
}

nav .left-nav a, nav .right-nav ul li a {
    color: #dbbea1;
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
    margin-right: 20px;
    transition: color 0.3s ease;
}

nav .left-nav a:hover, nav .right-nav ul li a:hover {
    color: #db7f67;
}

nav .right-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}

nav .right-nav ul li {
    margin-right: 20px;
}

.help-and-video {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
}

.help {
    flex: 2;
}

.video-container {
    flex: 1;
    max-width: 360px;
    margin-top: 20px;
}

.technology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.technology-group {
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 6px;
}

.technology-group h3 {
    font-size: 1.2em;
    color: #a37b73;
}

.technology-group ul {
    list-style: none;
    padding-left: 0;
}

.technology-group li {
    padding: 5px 0;
    color: #3f292b;
}

.contact {
    text-align: right;
    padding: 30px 0;
    color: #ffffff;
}

.contact p {
    margin: 5px 0;
    color: white;
}

.contact a {
    color: #db7f67;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact a:hover {
    color: #b56855;
}

footer {
    background-color: #3f292b;
    color: #fff;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
}

footer .footer-left {
    flex: 1;
}

footer .footer-left ul {
    margin-top: 10px;
}
footer .footer-left ul li::marker {
    color: white;
}

footer .footer-right {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    gap: 15px;
}

footer .social-icons a {
    color: #000000;
    font-size: 20px;
    text-decoration: none;
    transition: color 0.3s ease;
}

footer .social-icons a:hover {
    color: #db7f67;
}

@media (max-width: 768px) {
    .profile, .help-and-video {
        flex-direction: column;
        align-items: center;
    }

    .video-container {
        max-width: 100%;
    }

    nav .left-nav, nav .right-nav {
        margin-left: 0;
        margin-right: 0;
    }

    nav .right-nav ul {
        flex-direction: column;
        align-items: center;
    }

    nav .right-nav ul li {
        margin-right: 0;
        margin-bottom: 10px;
    }
    footer {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    footer .footer-left {
        margin-bottom: 20px;
    }

    footer .footer-right {
        justify-content: center;
    }
}