/* DocPoc content pages (blog, landing pages). Plain CSS, no framework, no web fonts. */
:root {
  --ink: #0b0b14; --text: #16161f; --muted: #5f6070; --slate: #8b8c99;
  --line: #e9e9f0; --cloud: #f5f5f7; --paper: #fff;
  --accent: #5750f1; --accent-ink: #4038d6; --accent-soft: #efeefe;
  --sky: linear-gradient(180deg, #666dc0 0%, #8a91d6 45%, #b3b9ea 100%);
  --font: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans', 'Helvetica Neue', Arial, sans-serif;
  --pill: 100px; --r: 18px; --max: 1120px; --read: 720px;
  --gutter: clamp(16px, 4vw, 24px);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--text); background: var(--paper); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; }
a { color: var(--accent-ink); }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; z-index: 10; background: #fff; padding: 8px 12px; border-radius: 8px; }
.wrap { max-width: calc(var(--max) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.read { max-width: calc(var(--read) + var(--gutter) * 2); }

/* Header */
.top { position: sticky; top: 0; z-index: 5; background: rgba(255, 255, 255, .92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 16px; height: 64px; }
.top .logo { display: inline-flex; margin-right: auto; }
.top .logo img { display: block; width: 93px; height: 30px; }
.top nav { display: flex; gap: 4px; }
.top nav a { color: var(--text); text-decoration: none; font-size: 15px; font-weight: 500; padding: 8px 10px; border-radius: 10px; }
.top nav a:hover, .top nav a[aria-current] { background: var(--cloud); color: var(--ink); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 20px; border-radius: var(--pill); font-weight: 600; font-size: 15px; text-decoration: none; background: var(--ink); color: #fff; white-space: nowrap; }
.btn:hover { background: #24243a; color: #fff; }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: var(--accent-soft); color: var(--ink); }
@media (max-width: 640px) { .top nav a.hide-sm { display: none; } .top .btn { padding: 0 14px; } }

/* Breadcrumbs */
.crumbs { font-size: 14px; color: var(--muted); margin: 28px 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs li + li::before { content: '/'; margin-right: 6px; color: var(--slate); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--ink); text-decoration: underline; }

/* Article */
.post-head { padding: 12px 0 8px; }
.kicker { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .02em; color: var(--accent-ink); background: var(--accent-soft); padding: 4px 10px; border-radius: var(--pill); margin-top: 16px; }
h1 { font-size: clamp(32px, 5.2vw, 48px); line-height: 1.08; letter-spacing: -0.03em; color: var(--ink); margin: 14px 0 0; }
.dek { font-size: clamp(17px, 2vw, 20px); color: var(--muted); margin: 16px 0 0; line-height: 1.5; }
.meta { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 18px; font-size: 14px; color: var(--muted); }
.meta b { color: var(--text); font-weight: 600; }
.ai-note { font-size: 13.5px; color: var(--muted); background: var(--cloud); border-radius: 12px; padding: 10px 14px; margin: 16px 0 0; }
.cover { margin: 28px 0 0; border-radius: var(--r); overflow: hidden; background: var(--cloud); aspect-ratio: 1200 / 630; }
.cover img { display: block; width: 100%; height: 100%; object-fit: cover; }

.prose { font-size: 18px; line-height: 1.75; color: var(--text); margin-top: 32px; overflow-wrap: break-word; }
.prose > :first-child { margin-top: 0; }
.prose h2 { font-size: clamp(24px, 3vw, 30px); line-height: 1.2; letter-spacing: -0.02em; color: var(--ink); margin: 2em 0 .6em; }
.prose h3 { font-size: 21px; line-height: 1.3; color: var(--ink); margin: 1.7em 0 .5em; }
.prose h4, .prose h5, .prose h6 { font-size: 18px; color: var(--ink); margin: 1.5em 0 .4em; }
.prose p, .prose ul, .prose ol, .prose blockquote, .prose table, .prose pre { margin: 0 0 1.2em; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li { margin: .35em 0; }
.prose li:empty { display: none; }
.prose blockquote { border-left: 3px solid var(--accent); padding: 4px 0 4px 18px; color: var(--muted); }
.prose img { border-radius: 12px; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.4em 0; }
.prose code { font-size: .9em; background: var(--cloud); padding: .1em .35em; border-radius: 6px; }
.prose pre { background: var(--cloud); padding: 16px; border-radius: 12px; overflow-x: auto; }
.prose pre code { background: none; padding: 0; }
.prose table { display: block; overflow-x: auto; border-collapse: collapse; font-size: 16px; }
.prose th, .prose td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.prose th { background: var(--cloud); }

/* FAQ */
.faq { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--line); }
.faq h2 { font-size: clamp(24px, 3vw, 30px); letter-spacing: -0.02em; color: var(--ink); margin: 0 0 12px; }
.faq h3 { font-size: 18px; color: var(--ink); margin: 24px 0 6px; line-height: 1.35; }
.faq p { margin: 0; color: var(--text); font-size: 17px; }

/* CTA */
.cta { margin: 48px 0 0; border-radius: 24px; background: var(--sky); color: #fff; padding: clamp(24px, 5vw, 40px); }
.cta h2 { margin: 0; font-size: clamp(24px, 3.4vw, 32px); line-height: 1.15; letter-spacing: -0.02em; }
.cta p { margin: 10px 0 20px; color: rgba(255, 255, 255, .92); font-size: 17px; }
.cta .row { display: flex; flex-wrap: wrap; gap: 10px; }
.cta .ghost { color: #fff; text-decoration: underline; align-self: center; font-weight: 500; }

/* Cards (blog index, related) */
.section-title { font-size: 24px; letter-spacing: -0.02em; color: var(--ink); margin: 56px 0 16px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; padding: 0; margin: 0; list-style: none; }
.card { display: flex; flex-direction: column; height: 100%; border: 1px solid var(--line); border-radius: var(--r); padding: 20px; text-decoration: none; color: var(--text); background: #fff; transition: border-color .15s, box-shadow .15s; }
.card:hover { border-color: #cfcdfb; box-shadow: 0 8px 24px rgba(40, 36, 150, .08); color: var(--text); }
.card .cat { font-size: 12.5px; font-weight: 600; color: var(--accent-ink); }
.card h2, .card h3 { font-size: 19px; line-height: 1.3; color: var(--ink); margin: 6px 0 8px; letter-spacing: -0.01em; }
.card p { margin: 0 0 14px; color: var(--muted); font-size: 15.5px; line-height: 1.5; }
.card time { margin-top: auto; font-size: 13.5px; color: var(--slate); }
.list-head { padding: 12px 0 8px; }

/* Landing pages */
.hero-band { background: var(--sky); color: #fff; border-radius: 0 0 28px 28px; padding: 8px 0 48px; }
.hero-band .crumbs, .hero-band .crumbs a { color: rgba(255, 255, 255, .85); }
.hero-band h1 { color: #fff; }
.hero-band .dek { color: rgba(255, 255, 255, .92); }
.hero-band .row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.hero-band .note { font-size: 14px; color: rgba(255, 255, 255, .85); margin-top: 12px; }

/* Footer */
.foot { margin-top: 72px; border-top: 1px solid var(--line); background: var(--cloud); padding: 32px 0; font-size: 14.5px; color: var(--muted); }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; }
.foot nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--ink); text-decoration: underline; }
.foot .copy { margin-left: auto; }
@media (max-width: 640px) { .foot .copy { margin-left: 0; } }