* {
    margin: 0; padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    scroll-behavior: smooth;
}

body {
    background: #f5f5f5;
    color: #222;
}

nav {
    background: #000;
    padding: 15px;
    display: flex;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 10;
    flex-wrap: wrap;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 5px 20px;
    font-size: 18px;
}

nav a:hover {
    color: #ff9800;
}

section {
    padding: 40px 25px;
}

.home-section {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)),
                url('https://picsum.photos/1300/800') center/cover;
    color: white;
    padding: 60px 20px;
}

.highlight { color:#ff9800; }

.resume-btn {
    padding: 8px 18px;
    background: #ff9800;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    margin-top: 15px;
    transition: background 0.3s;
}

.resume-btn:hover {
    background: #e68a00;
}

#about { background: #f3eaff; }
#skills { background: #e7f9f7; }
#projects { background: #fff1e6; }
#education { background: #e8f2ff; }
#certifications { background: #fff9d9; }
#contact { background: #e7fff2; }

.skill-box {
    background: #eee;
    padding: 10px;
    margin: 10px 0;
    border-left: 5px solid #ff9800;
}

.project {
    padding: 10px;
    background: #f1f1f1;
    border-radius: 5px;
    margin: 10px 0;
}

.education-card, .cert-card {
    padding: 15px;
    background: #e8f4ff;
    border-left: 5px solid #2196f3;
    border-radius: 8px;
    margin: 12px 0;
}

.cert-card {
    background: #fff4e5;
    border-left: 5px solid #ff9800;
}

form input, form textarea {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    border-radius: 5px;
    border: 1px solid #aaa;
}

form button {
    padding: 10px 20px;
    background: #ff9800;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    cursor: pointer;
}

#response {
    margin-top: 10px;
    color: green;
}

footer {
    text-align: center;
    padding: 15px;
    background: #000;
    color: #fff;
    margin-top: 20px;
}