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

section {
    display: none;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #121212;
    color: #eee;
    line-height: 1.6;
}

header {
    background: #1f1f1f;
    padding: 1rem 2rem;
    text-align: center;
    border-bottom: 2px solid #00bcd4;
}

    header img {
        border-radius: 50%;
        width: 80px;
        height: 80px;
        margin-bottom: 0.5rem;
    }

    header h1 {
        font-size: 2.5rem;
        color: #00bcd4;
        letter-spacing: 2px;
    }

    header h3 {
        color: #80deea;
        margin-bottom: 1rem;
    }

nav {
    margin-top: 0.5rem;
}

    nav a {
        color: #00bcd4;
        text-decoration: none;
        margin: 0 1rem;
        font-weight: 600;
        transition: color 0.3s ease;
    }

        nav a:hover {
            color: #80deea;
        }

main {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    margin-bottom: 3rem;
}

h2 {
    border-bottom: 3px solid #00bcd4;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    font-size: 2rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: #1f1f1f;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 0 10px #00bcd4;
    transition: transform 0.3s ease;
}

    .project-card:hover {
        transform: translateY(-5px);
    }

    .project-card h3 {
        margin-bottom: 0.5rem;
        color: #00bcd4;
    }

    .project-card p {
        font-size: 0.95rem;
        margin-bottom: 1rem;
    }

    .project-card a {
        color: #80deea;
        text-decoration: none;
        font-weight: 600;
    }

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

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skill {
    background: #00bcd4;
    color: #121212;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    box-shadow: 0 0 5px #00bcd4;
}

.soft-skills-list, .achievements-list, .languages-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}

.soft-skill, .achievement, .language {
    background: #80deea;
    color: #121212;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    box-shadow: 0 0 5px #80deea;
}

#contact p, #contact a {
    font-size: 1.1rem;
}

#contact a {
    color: #00bcd4;
}

    #contact a:hover {
        color: #80deea;
    }

footer {
    text-align: center;
    padding: 1rem 0;
    background: #1f1f1f;
    color: #666;
    font-size: 0.9rem;
    border-top: 1px solid #333;
}

@media (max-width: 600px) {
    header h1 {
        font-size: 2rem;
    }

    nav a {
        margin: 0 0.5rem;
    }
}