/* Bookflow Blog Stylesheet — extends Branchen-Style mit Article-Typo. */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
:root {
    --bg: #FAFAF8;
    --bg-soft: #F2F2EF;
    --surface: #FFFFFF;
    --border: #E5E5E1;
    --ink: #0F0F0E;
    --ink-soft: #3A3A37;
    --ink-mute: #6E6E6A;
    --accent: #F25C2D;
    --accent-soft: #FFE4D9;
    --accent-dark: #D4451B;
    --serif: 'Instrument Serif', 'Times New Roman', serif;
    --sans: 'DM Sans', system-ui, sans-serif;
    --max-w: 760px;
}
body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.7;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--accent-dark); }

.nav { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(12px); background: rgba(250,250,248,0.85); border-bottom: 1px solid transparent; transition: border-color .3s; }
.nav.scrolled { border-bottom-color: var(--border); }
.nav-inner {
    max-width: 1180px; margin-inline: auto; padding-inline: clamp(20px, 4vw, 48px);
    display: flex; align-items: center; justify-content: space-between; height: 72px;
}
.logo {
    font-family: 'Instrument Serif', 'Times New Roman', serif;
    font-size: 28px; font-style: italic; font-weight: 400;
    color: #0F0F0E; text-decoration: none; letter-spacing: -0.02em; line-height: 1;
}
.logo:link, .logo:visited, .logo:hover, .logo:active { color: #0F0F0E; text-decoration: none; }
.logo-dot { color: var(--accent); }
.nav-actions { display: flex; gap: 14px; align-items: center; }
.btn-ghost { color: var(--ink); padding: 9px 16px; font-size: 14.5px; font-weight: 500; text-decoration: none; }
.btn-ghost:hover { color: var(--ink); background: var(--bg-soft); border-radius: 8px; }
.btn-solid { background: var(--ink); color: #fff; padding: 10px 20px; border-radius: 8px; font-size: 14.5px; font-weight: 500; text-decoration: none; }
.btn-solid:hover { background: #2a2a26; color: #fff; }

main {
    max-width: var(--max-w);
    margin-inline: auto;
    padding-inline: clamp(20px, 5vw, 48px);
    padding-block: clamp(28px, 6vw, 64px);
}
.breadcrumb {
    font-size: 14px; color: var(--ink-mute); margin-bottom: 28px; display: flex; gap: 8px; align-items: center;
}
.breadcrumb a { color: var(--ink-mute); text-decoration: none; }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span { color: var(--border); }

.meta {
    font-size: 13.5px; color: var(--ink-mute); text-transform: uppercase; letter-spacing: 0.08em;
    margin-bottom: 14px;
}
article h1 {
    font-family: var(--serif);
    font-size: clamp(34px, 5vw, 52px);
    line-height: 1.08; letter-spacing: -0.02em; font-weight: 400;
    color: var(--ink); margin-bottom: 22px;
}
article .lead {
    font-size: clamp(17.5px, 2vw, 20px); color: var(--ink-soft); line-height: 1.6; margin-bottom: 40px;
}
article h2 {
    font-family: var(--serif); font-size: clamp(26px, 3.4vw, 34px);
    margin-top: 56px; margin-bottom: 18px; line-height: 1.2; letter-spacing: -0.01em; font-weight: 400;
}
article h3 {
    font-family: var(--sans); font-size: 19px; font-weight: 600;
    margin-top: 32px; margin-bottom: 12px; color: var(--ink);
}
article p { margin-bottom: 16px; color: var(--ink-soft); }
article ul, article ol {
    margin: 14px 0 24px 22px; color: var(--ink-soft);
}
article ul li, article ol li { margin-bottom: 10px; line-height: 1.65; }
article ul li strong, article ol li strong { color: var(--ink); }
article code {
    font-family: 'JetBrains Mono', Menlo, monospace; font-size: 14px;
    background: var(--bg-soft); padding: 2px 6px; border-radius: 4px;
}
article em { font-style: italic; color: var(--ink); }

.table-wrap {
    overflow-x: auto; margin: 24px 0 32px;
    border: 1px solid var(--border); border-radius: 8px;
}
table.compare {
    width: 100%; border-collapse: collapse; font-size: 14.5px;
    min-width: 640px;
}
table.compare th {
    background: var(--bg-soft); text-align: left; padding: 12px 14px;
    font-weight: 600; color: var(--ink); border-bottom: 1px solid var(--border);
}
table.compare td {
    padding: 12px 14px; border-bottom: 1px solid var(--border); color: var(--ink-soft);
    vertical-align: top;
}
table.compare tr:last-child td { border-bottom: 0; }
table.compare td:first-child { font-weight: 500; color: var(--ink); white-space: nowrap; }

.checklist { background: var(--bg-soft); padding: 22px 28px; border-radius: 12px; border: 1px solid var(--border); margin: 24px 0; }
.checklist p { margin: 0; padding: 6px 0; color: var(--ink); font-size: 15.5px; }

.cta-bar {
    margin-top: 56px; padding: 32px clamp(22px, 4vw, 40px); background: var(--ink); color: #fff;
    border-radius: 14px; text-align: center;
}
.cta-bar h3 {
    font-family: var(--serif); font-size: 28px; color: #fff; font-weight: 400;
    margin-bottom: 8px; line-height: 1.2;
}
.cta-bar p { color: rgba(255,255,255,0.78); margin-bottom: 22px; font-size: 15.5px; }
.btn-primary {
    background: var(--accent); color: #fff; padding: 14px 28px; border-radius: 10px;
    font-weight: 500; text-decoration: none; font-size: 16px; display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary:hover { background: var(--accent-dark); color: #fff; }

.related {
    margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--border);
}
.related-eyebrow {
    font-size: 13px; color: var(--ink-mute); text-transform: uppercase; letter-spacing: 0.1em;
    margin-bottom: 14px;
}
.related-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px;
}
.related-grid a {
    display: block; padding: 14px 18px; background: var(--surface); border: 1px solid var(--border);
    border-radius: 10px; color: var(--ink); text-decoration: none; font-size: 14.5px; line-height: 1.4;
}
.related-grid a:hover { border-color: var(--ink); color: var(--ink); }

footer {
    margin-top: 80px; padding: 40px clamp(20px, 4vw, 48px); background: var(--ink); color: rgba(255,255,255,0.7);
    text-align: center; font-size: 14px;
}
footer .container { max-width: 1180px; margin-inline: auto; display: flex; gap: 16px; justify-content: space-between; flex-wrap: wrap; align-items: center; }
footer .links { display: flex; gap: 16px; flex-wrap: wrap; }
footer a { color: rgba(255,255,255,0.7); text-decoration: none; }
footer a:hover { color: #fff; }

/* Blog-Index Cards */
.blog-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px;
    margin-top: 40px;
}
.blog-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
    padding: 26px 28px; transition: border-color .2s, transform .15s;
}
.blog-card:hover { border-color: var(--ink); transform: translateY(-2px); }
.blog-card .cat { font-size: 12.5px; color: var(--accent); text-transform: uppercase; letter-spacing: 0.1em; font-weight: 500; }
.blog-card h2 {
    font-family: var(--serif); font-size: 24px; line-height: 1.2; margin: 8px 0 12px;
    font-weight: 400; color: var(--ink);
}
.blog-card h2 a { color: var(--ink); text-decoration: none; }
.blog-card h2 a:hover { color: var(--accent); }
.blog-card p { font-size: 15px; color: var(--ink-soft); margin-bottom: 14px; }
.blog-card .read-more { font-size: 14px; color: var(--accent); font-weight: 500; }

@media (max-width: 600px) {
    article h1 { font-size: 30px; }
    article h2 { font-size: 24px; }
    .table-wrap { font-size: 13.5px; }
}