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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.8;
    color: #333;
    background-color: #fff;
    padding: 40px;
    max-width: 700px;
    margin: 0 auto;
    font-size: 18px;
}

h1 {
    font-size: 2.8em;
    text-align: left;
    margin-bottom: 60px;
    font-weight: 300;
    color: #000;
    letter-spacing: -2px;
}

h2 {
    font-size: 1.8em;
    margin: 60px 0 20px 0;
    font-weight: 300;
    color: #000;
}

h3 {
    font-size: 1.2em;
    margin: 30px 0 15px 0;
    font-weight: 600;
    color: #000;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9em;
}

p {
    margin-bottom: 24px;
    font-size: 1em;
}

.hero {
    text-align: left;
    margin-bottom: 40px;
    border-bottom: 1px solid #eee;
}

.hero h1 {
    margin-bottom: 20px;
}

.hero p {
    font-size: 1em;
    margin-bottom: 12px;
    color: #666;
}

.emphasis {
    margin: 40px 0;
    padding: 0;
    font-style: italic;
    color: #666;
    text-align: center;
}

.tools {
    margin: 40px 0;
    padding: 0;
    background: none;
    border: none;
}

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

.tools li {
    margin-bottom: 16px;
    font-size: 1em;
    color: #666;
}

.tools strong {
    color: #000;
}

ol {
    margin-left: 0;
    list-style: none;
    counter-reset: item;
}

ol li {
    margin-bottom: 12px;
    font-size: 1em;
    counter-increment: item;
    position: relative;
    padding-left: 40px;
}

ol li:before {
    content: counter(item) ".";
    position: absolute;
    left: 0;
    top: 0;
    color: #999;
    font-weight: 600;
    font-size: 1em;
}

ul li {
    margin-bottom: 12px;
    font-size: 1em;
}

a {
    color: #000;
    text-decoration: underline;
    text-decoration-thickness: 2px;
}

a:hover {
    text-decoration-thickness: 3px;
}

.lang-switcher {
    position: absolute;
    top: 40px;
    right: 40px;
    font-size: 0.8em;
}

.lang-switcher a {
    color: #999;
    text-decoration: none;
    padding: 4px 8px;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.lang-switcher a:hover {
    color: #000;
}

.lang-switcher a.active {
    color: #000;
    font-weight: 600;
}

.footer {
    text-align: center;
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid #eee;
    color: #999;
    font-style: italic;
}

@media (max-width: 810px) {
    body {
        padding: 20px;
        font-size: 16px;
    }
    
    h1 {
        font-size: 2.2em;
    }

    .lang-switcher {
        position: static;
        text-align: center;
        margin-bottom: 30px;
    }
}

@media (max-width: 390px) {
    body {
        padding: 16px;
    }
    
    h1 {
        font-size: 2em;
    }
}