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

body {
    line-height: 1.6;
    color: #ffffff;
    background-color: #1a1a1a;
}

header {
    background-color: #000000;
    padding: 16px 0;
    border-bottom: 3px solid #e10600;
}

nav {
    display: flex;
    justify-content: left;
    padding: 0 20px;
}

nav a {
    color: #bbbbbb;
    font-size: 18px;
    text-decoration: none;
    font-weight: bold;
    margin: 0 16px;
    transition: color 0.3s ease;
}
#hmb {
    width: 40px;
    height: auto;
}
nav a:hover {
    color: #e10600;
}

#currentPage {
    color: #e10600;
}

main {
    max-width: 800px;
    margin: 0 auto;
    padding: 32px;
}

h1, h2 {
    color: #e10600;
}

h1 {
    font-size: 36px;
    margin-bottom: 24px;
    text-align: center;
}

h2 {
    font-size: 28px;
    margin-bottom: 16px;
}

h3 {
    font-size: 22px;
    color: #ffffff;
    margin-bottom: 8px;
}

p {
    margin-bottom: 16px;
}

ul {
    list-style-type: none;
    padding-left: 20px;
}

ul li::before {
    content: "•";
    color: #e10600;
    font-weight: bold;
    display: inline-block;
    width: 1em;
}

#f1-intro, #f1-tech, #f1-features {
    background-color: #2a2a2a;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 32px;
}

.tech-item {
    margin-bottom: 24px;
}

footer {
    background-color: #000000;
    color:#ffffff;
text-align:center ;
padding :16 px ;
border-top :3 px solid e10600 ;

}