:root {
    --background: #0d1117;
    --surface: #161b22;
    --surface-light: #21262d;

    --text: #e6edf3;
    --text-secondary: #9da7b3;

    --accent: #58b6c4;
    --accent-light: #7dd3df;

    --border: #30363d;

    --max-width: 1100px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;

    background: var(--background);
    color: var(--text);

    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Helvetica,
        Arial,
        sans-serif;

    font-size: 17px;
    line-height: 1.7;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;

    background: rgba(13, 17, 23, 0.95);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 18px 24px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.site-title {
    color: var(--text);
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
}

.site-nav {
    display: flex;
    gap: 24px;
}

.site-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
}

.site-nav a:hover {
    color: var(--accent-light);
}

.page-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 60px 24px 100px;
}

h1 {
    margin-top: 0;
    font-size: clamp(38px, 6vw, 64px);
    line-height: 1.1;
    letter-spacing: -2px;
}

h2 {
    margin-top: 80px;
    padding-bottom: 10px;

    font-size: 30px;
    border-bottom: 1px solid var(--border);
}

h3 {
    margin-top: 40px;
    font-size: 22px;
    color: var(--accent-light);
}

p {
    color: var(--text-secondary);
}

strong {
    color: var(--text);
}

a {
    color: var(--accent-light);
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

li {
    margin: 8px 0;
    color: var(--text-secondary);
}

code {
    padding: 2px 6px;

    background: var(--surface-light);
    border-radius: 4px;

    color: var(--accent-light);
}

hr {
    margin: 60px 0;

    border: 0;
    border-top: 1px solid var(--border);
}

.site-footer {
    padding: 35px 20px;

    border-top: 1px solid var(--border);

    text-align: center;
}

.site-footer p {
    margin: 0;
    font-size: 14px;
}

@media (max-width: 750px) {

    .header-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-nav {
        flex-wrap: wrap;
        gap: 14px;
    }

    .page-content {
        padding-top: 40px;
    }
}

.repo-tree {
    padding: 24px;
    overflow-x: auto;

    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;

    line-height: 1.6;
}

.repo-tree code {
    padding: 0;
    background: transparent;
    color: var(--text-secondary);

    font-family: Consolas, "Courier New", monospace;
    font-size: 15px;
}


/* HERO */

.hero {
    padding: 35px 0 20px;
}

.hero-text {
    max-width: 850px;
    margin-bottom: 45px;
}

.hero-label {
    margin-bottom: 12px;

    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
}

.hero h1 {
    margin-bottom: 22px;

    font-size: clamp(46px, 7vw, 72px);
    line-height: 1.05;
    letter-spacing: -3px;
}

.hero-description {
    max-width: 800px;
    margin: 0;

    color: var(--text-secondary);
    font-size: 20px;
    line-height: 1.6;
}

.hero-image {
    margin-top: 35px;
    text-align: center;
}

.hero-image img {
    width: 100%;
    max-width: 950px;

    border: 1px solid var(--border);
    border-radius: 12px;
}

.hero-image p {
    margin-top: 12px;

    color: var(--text-secondary);
    font-size: 14px;
    font-style: italic;
}