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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    background: rgba(20, 20, 30, 0.9);
    border-radius: 16px;
    padding: 60px 40px;
    max-width: 700px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    color: #00d4ff;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
    font-weight: 700;
    font-family: 'Courier New', monospace;
}

.tagline {
    font-size: 1.2em;
    color: #888;
    margin-bottom: 30px;
}

.section {
    margin-bottom: 30px;
}

h2 {
    font-size: 1.3em;
    margin-bottom: 15px;
    color: #00d4ff;
    padding-bottom: 5px;
    font-weight: 600;
}

.section p {
    color: #b0b0b0;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.skill-tag {
    background: rgba(0, 212, 255, 0.1);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.9em;
    color: #00d4ff;
    border: 1px solid rgba(0, 212, 255, 0.3);
    font-family: 'Courier New', monospace;
    transition: all 0.3s ease;
    cursor: default;
}

.skill-tag.clickable {
    cursor: pointer;
}

.skill-tag.clickable:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: #00d4ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

.skill-tag.active {
    background: rgba(0, 212, 255, 0.3);
    border-color: #00d4ff;
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

.projects-container {
    display: none;
    margin-top: 20px;
    padding: 20px;
    background: rgba(0, 212, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    animation: fadeIn 0.3s ease-in;
}

.projects-container.visible {
    display: block;
}

.projects-container h3 {
    color: #00d4ff;
    font-size: 1.1em;
    margin-bottom: 15px;
}

.project-card {
    background: rgba(20, 20, 30, 0.8);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    margin-bottom: 15px;
}

.project-card:last-child {
    margin-bottom: 0;
}

.project-card h4 {
    color: #00d4ff;
    font-size: 1em;
    margin-bottom: 8px;
}

.project-card p {
    color: #b0b0b0;
    font-size: 0.9em;
    margin-bottom: 10px;
}

.project-card a {
    color: #00d4ff;
    text-decoration: none;
    font-size: 0.9em;
    font-family: 'Courier New', monospace;
}

.project-card a:hover {
    text-decoration: underline;
}

.no-projects {
    color: #666;
    font-size: 0.9em;
    font-family: 'Courier New', monospace;
}

.contact {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    text-align: center;
}

.contact p {
    font-size: 1.1em;
    color: #666;
    font-family: 'Courier New', monospace;
    margin-bottom: 20px;
}

.contact-btn {
    display: inline-block;
    padding: 12px 30px;
    background: rgba(0, 212, 255, 0.1);
    border: 2px solid #00d4ff;
    border-radius: 8px;
    color: #00d4ff;
    text-decoration: none;
    font-family: 'Courier New', monospace;
    font-size: 1em;
    transition: all 0.3s ease;
}

.contact-btn:hover {
    background: rgba(0, 212, 255, 0.2);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
    transform: translateY(-2px);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 600px) {
    .container {
        padding: 40px 25px;
    }

    h1 {
        font-size: 2em;
    }

    .tagline {
        font-size: 1em;
    }
}