html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    color: white;

    background:

        linear-gradient(
            rgba(10,15,35,.75),
            rgba(10,15,35,.75)
        ),
        url("image/Cyber.png");        

    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 70px;

    background: rgba(10, 15, 35, 0.35);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

header h2 {
    color: #00d4ff;
}

nav a {
    color:white;
    margin-left: 30px;
    text-decoration: none;
    font-weight: bold;
}

.hero {
    min-height: 550px;
    display: flex;
    align-items: center;
    padding: 0 90px;
}

.hero-text {
    max-width: 620px;
}

.hero h1 {
    font-size: 60px;
    line-height: 1.05;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    color#d8d8e8;
}

.description {
    line-height: 1.7;
}

button {
    margin-top: 25px;
    background:#00d4ff;
    color: #10131f;
    border: none;
    padding: 16px 38px;
    border-radius: 30px;
    font-weight: bold;
    cursor: pointer;
}

.projects {
    padding: 70px 90px;
}

.projects h2 {
    font-size: 36px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.card {
    background: #22263a;
    border: 1px solid #30364f;
    border-radius: 15px;
    padding: 25px;
}

.card h3 {
    color: #00d4ff;
}

.card p {
    color: #cfd3e6;
}
.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 100px;
    width: auto;
    display: block;
}
.button {
    display: inline-block;
    margin-top: 25px;
    background: #00d4ff;
    color: #10131f;
    border: none;
    padding: 16px 38px;
    border-radius: 30px;
    font-weight: bold;
    text-decoration: none;
    cursor: pointer;
}
.cert-badge {
    width: 150px;
    height: auto;
    margin-bottom: 15px;
}