/* === Палитра === */
:root {
    --bg: #fbfaf6;
    --bg-soft: #f4f1e8;
    --text: #2c2a26;
    --text-muted: #6b665d;
    --accent: #b8722e;
    --accent-soft: #e8d4b8;
    --border: #e5dfd0;
    --code-bg: #f7f4ec;
    --code-border: #ebe4d2;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

/* === База === */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === Шапка === */
.site-header {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(8px);
    background-color: rgba(251, 250, 246, 0.92);
}

.site-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 32px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    font-size: 18px;
    flex-shrink: 0;
}

.logo-link img {
    height: 38px;
    width: auto;
}

.logo-link span {
    letter-spacing: 0.2px;
}

.site-nav {
    flex: 1;
    display: flex;
    justify-content: center;
    gap: 4px;
    flex-wrap: wrap;
}

.site-nav a {
    text-decoration: none;
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.15s ease;
}

.site-nav a:hover {
    color: var(--text);
    background: var(--bg-soft);
}

.site-nav a.active {
    color: var(--accent);
    background: var(--accent-soft);
}

/* === Контент === */
.content {
    max-width: 880px;
    margin: 0 auto;
    padding: 48px 32px 80px;
}

.content h1 {
    font-size: 38px;
    font-weight: 700;
    margin: 0 0 8px 0;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.content h1 + .lead {
    color: var(--text-muted);
    font-size: 18px;
    margin: 0 0 32px 0;
    font-weight: 400;
}

.content h2 {
    font-size: 26px;
    font-weight: 600;
    margin: 56px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--accent-soft);
    letter-spacing: -0.3px;
}

.content h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 36px 0 12px;
    color: var(--text);
}

.content h4 {
    font-size: 17px;
    font-weight: 600;
    margin: 24px 0 8px;
    color: var(--text);
}

.content p {
    margin: 12px 0;
}

.content ul, .content ol {
    padding-left: 24px;
    margin: 12px 0;
}

.content li {
    margin: 6px 0;
}

.content a:not(.btn) {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s ease;
}

.content a:not(.btn):hover {
    border-bottom-color: var(--accent);
}

.content blockquote {
    margin: 20px 0;
    padding: 16px 24px;
    border-left: 4px solid var(--accent);
    background: var(--bg-soft);
    border-radius: 0 6px 6px 0;
    color: var(--text);
    font-style: italic;
}

.content blockquote p {
    margin: 6px 0;
}

/* === Inline-код === */
.content code {
    font-family: "JetBrains Mono", "Fira Code", "SF Mono", Menlo, Consolas, monospace;
    font-size: 0.92em;
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: 4px;
    padding: 2px 6px;
}

/* === Блоки кода === */
.content pre {
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: 8px;
    padding: 16px 20px;
    overflow-x: auto;
    font-size: 14px;
    line-height: 1.55;
    margin: 16px 0;
}

.content pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: 14px;
}

/* === Таблицы === */
.content table {
    border-collapse: collapse;
    width: 100%;
    margin: 16px 0;
    font-size: 15px;
}

.content th,
.content td {
    text-align: left;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
}

.content th {
    background: var(--bg-soft);
    font-weight: 600;
    border-bottom: 2px solid var(--accent-soft);
}

.content tr:hover td {
    background: var(--bg-soft);
}

/* === Hero (главная страница) === */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 60px 0 48px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 32px;
}

.hero img {
    height: 120px;
    width: auto;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 48px;
    margin: 0 0 12px;
    letter-spacing: -1px;
}

.hero .lead {
    font-size: 19px;
    color: var(--text-muted);
    margin: 0 auto 32px;
    max-width: 680px;
}

.hero-cta {
    display: inline-flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 22px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.15s ease;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: #9e6128;
    border-bottom-color: transparent !important;
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border-color: var(--border);
}

.btn-secondary:hover {
    background: var(--bg-soft);
    border-color: var(--accent-soft);
    border-bottom-color: var(--accent-soft) !important;
}

/* === Карточки разделов на главной === */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin: 32px 0;
}

.card {
    display: block;
    padding: 20px;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.15s ease;
}

.card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(184, 114, 46, 0.12);
    border-bottom-color: var(--accent) !important;
}

.card h3 {
    margin: 0 0 6px 0;
    font-size: 17px;
    color: var(--accent);
}

.card p {
    margin: 0;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* === Подсветка highlight.js (поверх atom-one-light) === */
.hljs {
    background: var(--code-bg) !important;
    color: var(--text) !important;
}

/* === Адаптив === */
@media (max-width: 720px) {
    .site-header-inner {
        padding: 12px 16px;
        flex-direction: column;
        gap: 12px;
    }

    .site-nav {
        width: 100%;
        justify-content: center;
    }

    .site-nav a {
        padding: 6px 12px;
        font-size: 14px;
    }

    .content {
        padding: 24px 16px 60px;
    }

    .content h1 { font-size: 30px; }
    .content h2 { font-size: 22px; }
    .hero h1 { font-size: 34px; }
    .hero img { height: 90px; }

    .content table {
        display: block;
        overflow-x: auto;
    }
}