:root {
    --bg-main: #161b22;
    --bg-secondary: #21262d;
    --text-primary: #ffffff;
    --text-secondary: #8b949e;
    --accent-orange: #fd8c00;
}

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

body {
    font-family: sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;

    .container {
        justify-items: center;
        width: 80%;
        max-width: 1000px;
        margin: 0 auto;
        padding: 20px 0;
    }

    main {
        flex: 1;
    }

    header {
        background-color: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        padding: 1rem 0;
    }

    nav ul {
        display: flex;
        justify-content: center;
        list-style: none;
        gap: 2rem;
    }

    nav a {
        color: var(--text-secondary);
        text-decoration: none;
        font-weight: bold;
        transition: color 0.3s;
    }

    nav a:hover,
    nav a.active {
        color: var(--accent-orange);
    }

    section {
        margin-bottom: 3rem;
        padding: 2rem;
        background-color: var(--bg-secondary);
        border-radius: 8px;
        border: 1px solid var(--border-color);
    }

    h1,
    h2,
    h3 {
        color: var(--text-primary);
        margin-bottom: 0.5rem;
    }

    h1 {
        text-align: center;
        margin-bottom: 1rem;
    }

    h2 {
        border-bottom: 2px solid var(--accent-orange);
        display: inline-block;
        padding-bottom: 0.5rem;
    }

    .interaction {
        text-align: center;
        padding: 4rem 0;
        background-color: transparent;
        border: none;
    }

    .profile-img {
        width: 150px;
        height: auto;
    }

    ul.styled-list li {
        margin-bottom: 0.5rem;
        list-style-type: none;
        position: relative;
        padding-left: 1.5rem;
    }

    ul.styled-list li::before {
        content: "➤";
        color: var(--accent-orange);
        position: absolute;
        left: 0;
    }

    .content-link {
        color: var(--accent-orange);
        text-decoration: none;
    }
    .content-link:hover {
        text-decoration: underline;
    }

    footer {
        text-align: center;
        padding: 1.5rem;
        background-color: var(--bg-secondary);
        border-top: 1px solid var(--border-color);
        color: var(--text-secondary);
    }

    .speech-bubble-container {
        display: flex;
        justify-content: center;
        margin-bottom: 25px;
    }

    .speech-bubble {
        position: relative;
        background-color: var(--bg-secondary);
        color: var(--text-primary);
        padding: 1.5rem 2rem;
        border-radius: 30px;
        font-weight: bold;
        font-size: 1.1rem;
        max-width: 600px;
        text-align: center;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
        border: 2px solid #ffffff;
        min-height: 100px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .speech-bubble::after {
        content: "";
        position: absolute;
        bottom: -12px;
        left: 50%;
        width: 20px;
        height: 20px;
        background-color: var(--bg-secondary);
        border-bottom: 2px solid #ffffff;
        border-right: 2px solid #ffffff;
        transform: translateX(-50%) rotate(45deg);
    }
}