:root {
    --bg-primary: #040404;
    --bg-secondary: #13505b;
    --accent-primary: #119da4;
    --accent-secondary: #0c7489;
    --text-main: #d7d9ce;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    display: grid;
    grid-template-columns: 350px 1fr;
    min-height: 100vh;
    gap: 0;
}

.sidebar {
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-right: 2px solid var(--accent-primary);
}

.profile {
    text-align: center;
    margin-bottom: 2rem;
}

.profile-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 3px solid var(--accent-primary);
    margin-bottom: 1rem;
    object-fit: cover;
}

.profile h1 {
    color: var(--accent-primary);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.profile h2 {
    color: var(--text-main);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 400;
}

.profile p {
    color: var(--text-main);
    opacity: 0.9;
    font-size: 1rem;
}

.contact, .education, .certifications {
    margin-bottom: 2rem;
}

.contact h3, .education h3, .certifications h3 {
    color: var(--accent-primary);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--accent-secondary);
    padding-bottom: 0.5rem;
}

.visitor-counter {
    background-color: rgba(17, 157, 164, 0.1);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--accent-primary);
}

.visitor-counter p {
    font-size: 0.9rem;
}

#visitor-count {
    color: var(--accent-primary);
    font-weight: bold;
}

.education-item {
    margin-bottom: 1rem;
}

.education-item h4 {
    color: var(--text-main);
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.education-item p {
    color: var(--text-main);
    opacity: 0.8;
    font-size: 0.9rem;
}

.education-item .date {
    font-style: italic;
}

.certifications ul {
    list-style: none;
}

.certifications li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(17, 157, 164, 0.2);
    position: relative;
    padding-left: 1.5rem;
}

.certifications li:before {
    content: "🔒";
    position: absolute;
    left: 0;
}

.content {
    padding: 2rem 3rem;
    overflow-y: auto;
}

.summary, .experience, .projects {
    margin-bottom: 3rem;
}

.summary h2, .experience h2, .projects h2 {
    color: var(--accent-primary);
    font-size: 2rem;
    margin-bottom: 1rem;
    border-bottom: 3px solid var(--accent-secondary);
    padding-bottom: 0.5rem;
}

.summary p {
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0.9;
}

.job {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: rgba(19, 80, 91, 0.3);
    border-radius: 8px;
    border-left: 4px solid var(--accent-primary);
}

.job header {
    margin-bottom: 1rem;
}

.job h3 {
    color: var(--accent-primary);
    font-size: 1.4rem;
    margin-bottom: 0.3rem;
}

.job .date {
    color: var(--text-main);
    opacity: 0.7;
    font-style: italic;
}

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

.job li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.job li:before {
    content: "▸";
    color: var(--accent-secondary);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.project {
    padding: 1.5rem;
    background-color: rgba(19, 80, 91, 0.3);
    border-radius: 8px;
    border-left: 4px solid var(--accent-secondary);
}

.project h3 {
    color: var(--accent-primary);
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.project p {
    opacity: 0.9;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        border-right: none;
        border-bottom: 2px solid var(--accent-primary);
    }
    
    .content {
        padding: 1.5rem;
    }
}