/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
html{line-height:1.15;-webkit-text-size-adjust:100%}
body{margin:0}
main{display:block}
h1{font-size:2em;margin:.67em 0}
hr{box-sizing:content-box;height:0;overflow:visible}
pre{font-family:monospace,monospace;font-size:1em}
a{background-color:transparent}
abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}
b,strong{font-weight:bolder}
code,kbd,samp{font-family:monospace,monospace;font-size:1em}
small{font-size:80%}
sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}
sub{bottom:-0.25em}
sup{top:-0.5em}
img{border-style:none}
button,input,optgroup,select,textarea{font-family:inherit;font-size:100%;line-height:1.15;margin:0}
button,input{overflow:visible}
button,select{text-transform:none}
button,[type="button"],[type="reset"],[type="submit"]{-webkit-appearance:button}
button::-moz-focus-inner,[type="button"]::-moz-focus-inner,[type="reset"]::-moz-focus-inner,[type="submit"]::-moz-focus-inner{border-style:none;padding:0}
button:-moz-focusring,[type="button"]:-moz-focusring,[type="reset"]:-moz-focusring,[type="submit"]:-moz-focusring{outline:1px dotted ButtonText}
fieldset{padding:.35em .75em .625em}
legend{box-sizing:border-box;color:inherit;display:table;max-width:100%;padding:0;white-space:normal}
progress{vertical-align:baseline}
textarea{overflow:auto}
[type="checkbox"],[type="radio"]{box-sizing:border-box;padding:0}
[type="number"]::-webkit-inner-spin-button,[type="number"]::-webkit-outer-spin-button{height:auto}
[type="search"]{-webkit-appearance:textfield;outline-offset:-2px}
[type="search"]::-webkit-search-decoration{-webkit-appearance:none}
::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}
details{display:block}
summary{display:list-item}
template{display:none}
[hidden]{display:none}

/* Custom styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.content-wrapper {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin: 30px 0;
    overflow: hidden;
}

.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    text-align: center;
}

h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 300;
}

.intro {
    padding: 2rem;
    background: #f8f9fa;
    border-left: 5px solid #667eea;
    margin: 2rem;
}

.section {
    padding: 2rem;
    border-bottom: 1px solid #eee;
}

.section:last-child {
    border-bottom: none;
}

.section-title {
    color: #4a5568;
    margin-top: 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e2e8f0;
}

.qa-list {
    list-style: none;
    padding: 0;
}

.qa-item {

    border-bottom: 1px dashed #e2e8f0;
}

.qa-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.qa-question {
    font-weight: bold;
    color: #2d3748;
    font-size: 0.8rem;
}

.qa-answer {
    color: #4a5568;
    line-height: 1.7;
}

.summary {
    padding: 2rem;
    background: #f0fff4;
    border-left: 5px solid #38a169;
    margin: 2rem;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 10px;
    }

    h1 {
        font-size: 1.8rem;
    }

    .content-wrapper {
        margin: 15px 0;
    }

    .intro, .section, .summary {
        padding: 1rem;
        margin: 1rem;
    }

    .qa-question {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.5rem;
    }

    .section {
        padding: 1rem 0.5rem;
    }
}

footer {
    text-align: center;
    padding: 2rem 0;
    color: #718096;
    font-size: 0.9rem;
}