body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    margin: 0;
    background: #f4f4f4;
    color: #333;
}

.container { max-width: 960px; margin: auto; overflow: hidden; padding: 0 2rem; }
header {
    background: #333;
    color: #fff;
    padding: 2rem 0;
    text-align: center;
}

.profile { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; }
.profile-pic { width: 150px; height: 150px; border-radius: 50%; margin-right: 2rem; border: 3px solid #fff; }
.profile-info h1 { margin: 0; font-size: 2.5rem; }
.profile-info .subtitle { font-size: 1.2rem; color: #aaa; margin-top: 0.5rem; }
.profile-info .objective { margin-top: 1rem; font-style: italic; max-width: 600px; }
.social-links { margin-top: 1rem; }
.social-links a { color: #fff; margin: 0 0.5rem; font-size: 1.5rem; transition: color 0.3s; }
.social-links a:hover { color: #77aaff; }

section { background: #fff; margin: 1.5rem 0; padding: 2rem; border-radius: 5px; box-shadow: 0 0 10px rgba(0,0,0,0.1); }
section h2 { text-align: center; margin-bottom: 1.5rem; color: #333; }
section h2 .fa { margin-right: 0.5rem; }

.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.skill-category h3 { color: #555; border-bottom: 2px solid #eee; padding-bottom: 0.5rem; }
.skill-category ul { list-style: none; padding: 0; }
.skill-category li { background: #f4f4f4; margin: 0.5rem 0; padding: 0.5rem; border-radius: 3px; }

.timeline { position: relative; padding: 1rem 0; }
.timeline::before { content: ''; position: absolute; left: 20px; top: 0; bottom: 0; width: 2px; background: #ddd; }
.timeline-item { margin-bottom: 2rem; position: relative; padding-left: 40px; }
.timeline-item::before { content: ''; position: absolute; left: 13px; top: 5px; width: 15px; height: 15px; background: #77aaff; border-radius: 50%; }
.timeline-item h3 { margin: 0; font-size: 1.2rem; }
.timeline-item p { margin: 0.2rem 0; font-style: italic; color: #666; }
.timeline-item ul { padding-left: 20px; margin-top: 0.5rem; }

.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
.project-card { background: #f9f9f9; padding: 1.5rem; border-radius: 5px; transition: transform 0.3s, box-shadow 0.3s; }
.project-card:hover { transform: translateY(-5px); box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
.project-card h3 { margin-top: 0; }

.chatbot-container { text-align: center; }
.chatbot-container iframe { border-radius: 5px; box-shadow: 0 0 10px rgba(0,0,0,0.1); }

footer { text-align: center; padding: 2rem 0; margin-top: 2rem; background: #333; color: #fff; }

@media (max-width: 768px) {
    .profile { flex-direction: column; }
    .profile-pic { margin-right: 0; margin-bottom: 1rem; }
}