/* ============================================================
   Hakwork blog — shared styles
   Reuses the landing page design tokens (purple #5b2ee5, Inter).
   Linked absolutely as /blog/blog.css by every blog page.
   ============================================================ */

:root {
  --bg: #f7f6fb;
  --surface: #ffffff;
  --surface2: #f3f1fa;
  --border: #e7e4f2;
  --accent: #5b2ee5;
  --accent-hover: #4a23c4;
  --accent-soft: #efeafe;
  --success: #16a34a;
  --danger: #dc2626;
  --text: #1d1a2e;
  --muted: #6f6b85;
  --radius: 14px;
  --code-bg: #17142a;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
  --maxw: 1080px;
  --prosew: 720px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--text);
  font-family: var(--font); line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }
.eyebrow {
  display: inline-block; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent);
  background: var(--accent-soft); padding: 0.35rem 0.75rem; border-radius: 999px;
}

/* ---------- Nav (shared with landing) ---------- */
header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247,246,251,0.82); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 800; font-size: 1.15rem; }
.brand svg { width: 34px; height: 34px; }
/* Brand wordmark: lowercase "hakw●rk", the "o" a purple node dot (matches the app lockup) */
.hw-wordmark { font-weight: 800; letter-spacing: -0.045em; text-transform: lowercase; line-height: 1; white-space: nowrap; }
.hw-wordmark__dot { display: inline-block; width: 0.44em; height: 0.44em; background: var(--accent); border-radius: 50%; vertical-align: 0.02em; margin: 0 0.015em; }
.nav-right { display: flex; align-items: center; gap: 1rem; }
.nav-links { display: flex; align-items: center; gap: 1.75rem; }
.nav-links a.link { font-size: 0.9rem; font-weight: 500; color: var(--muted); transition: color 0.15s; }
.nav-links a.link:hover { color: var(--text); }
.nav-links a.link.active { color: var(--text); }
.nav-toggle {
  display: none; background: transparent; border: 1px solid var(--border);
  border-radius: 10px; width: 42px; height: 42px; cursor: pointer; color: var(--text);
  align-items: center; justify-content: center;
}
.nav-toggle:hover { border-color: var(--accent); color: var(--accent); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--font); font-size: 0.9rem; font-weight: 600;
  padding: 0.62rem 1.15rem; border-radius: 10px; border: 1px solid transparent;
  cursor: pointer; transition: all 0.15s; white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--surface); border-color: var(--accent); }
.btn-lg { padding: 0.85rem 1.6rem; font-size: 1rem; }

/* ---------- Breadcrumb ---------- */
.crumbs { font-size: 0.82rem; color: var(--muted); padding: 1.5rem 0 0; }
.crumbs a:hover { color: var(--accent); }
.crumbs span { color: var(--border); margin: 0 0.4rem; }

/* ---------- Blog hub ---------- */
.hub-head { padding: 3rem 0 2.5rem; max-width: 640px; }
.hub-head h1 { font-size: clamp(2rem, 4.5vw, 2.9rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1.12; margin: 1rem 0 0.8rem; }
.hub-head p { color: var(--muted); font-size: 1.1rem; }

.post-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; padding-bottom: 4rem; }
.post-card {
  display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.6rem; transition: transform 0.15s, box-shadow 0.15s;
}
.post-card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(91,46,229,0.08); }
.post-card.feature { grid-column: 1 / -1; background: linear-gradient(160deg, var(--accent-soft), var(--surface)); }
.post-card .cat { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); }
.post-card h2 { font-size: 1.28rem; font-weight: 700; letter-spacing: -0.01em; margin: 0.6rem 0 0.5rem; line-height: 1.25; }
.post-card.feature h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
.post-card p { color: var(--muted); font-size: 0.95rem; }
.post-card .more { margin-top: auto; padding-top: 1rem; font-size: 0.88rem; font-weight: 600; color: var(--accent); }
.post-card .meta { font-size: 0.78rem; color: var(--muted); margin-top: 0.9rem; }

/* ---------- Article ---------- */
.article { padding: 0 0 1rem; }
.article-head { max-width: var(--prosew); margin: 0 auto; padding: 1.5rem 0 2rem; text-align: center; }
.article-head h1 { font-size: clamp(1.9rem, 4.2vw, 2.7rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1.16; margin: 1rem 0 1rem; }
.article-meta { font-size: 0.85rem; color: var(--muted); display: flex; gap: 0.6rem; justify-content: center; align-items: center; flex-wrap: wrap; }
.article-meta span.dot { color: var(--border); }

.prose { max-width: var(--prosew); margin: 0 auto; font-size: 1.06rem; }
.prose > p { margin: 0 0 1.35rem; }
.prose .lede { font-size: 1.18rem; color: var(--muted); line-height: 1.6; margin-bottom: 2rem; }
.prose h2 { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.015em; margin: 2.8rem 0 1rem; line-height: 1.25; }
.prose h3 { font-size: 1.22rem; font-weight: 700; margin: 2rem 0 0.7rem; }
.prose a { color: var(--accent); font-weight: 500; text-decoration: underline; text-decoration-color: rgba(91,46,229,0.3); text-underline-offset: 2px; }
.prose a:hover { text-decoration-color: var(--accent); }
.prose ul, .prose ol { margin: 0 0 1.35rem 1.3rem; }
.prose li { margin-bottom: 0.55rem; }
.prose strong { font-weight: 700; color: var(--text); }
.prose blockquote {
  border-left: 3px solid var(--accent); background: var(--surface2);
  padding: 1rem 1.3rem; border-radius: 0 10px 10px 0; margin: 0 0 1.5rem;
  color: var(--text); font-style: italic;
}
.prose code {
  font-family: var(--mono); font-size: 0.88em; background: var(--accent-soft);
  color: var(--accent-hover); padding: 0.12em 0.4em; border-radius: 5px;
}
.prose pre {
  background: var(--code-bg); color: #e6e2f5; border-radius: 10px;
  padding: 1.1rem 1.25rem; overflow-x: auto; margin: 0 0 1.5rem; font-size: 0.86rem; line-height: 1.7;
}
.prose pre code { background: none; color: inherit; padding: 0; }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 2.5rem 0; }

/* Callout box */
.callout {
  display: flex; gap: 0.9rem; align-items: flex-start;
  background: var(--accent-soft); border: 1px solid #dccffb; border-radius: 12px;
  padding: 1.1rem 1.3rem; margin: 0 0 1.6rem;
}
.callout .ci { flex-shrink: 0; color: var(--accent); margin-top: 2px; }
.callout p { margin: 0; font-size: 0.98rem; }
.callout strong { color: var(--accent-hover); }

/* Comparison table */
.tbl-wrap { overflow-x: auto; margin: 0 0 1.6rem; }
.prose table { width: 100%; border-collapse: collapse; font-size: 0.94rem; min-width: 480px; }
.prose th, .prose td { text-align: left; padding: 0.75rem 0.9rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.prose thead th { background: var(--surface2); font-weight: 700; font-size: 0.85rem; }
.prose td .yes { color: var(--success); font-weight: 700; }
.prose td .no { color: var(--danger); font-weight: 700; }

/* Key takeaways / TOC card */
.tldr {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.3rem 1.5rem; margin: 0 0 2rem;
}
.tldr h2 { font-size: 0.8rem !important; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 0 0 0.7rem !important; font-weight: 700; }
.tldr ul { margin: 0 0 0 1.1rem; }
.tldr li { margin-bottom: 0.4rem; font-size: 0.97rem; }

/* ---------- CTA block ---------- */
.cta-block {
  max-width: var(--prosew); margin: 3rem auto 0;
  background: linear-gradient(120deg, #1d1a2e, #2d2450); color: #fff;
  border-radius: 18px; padding: 2.4rem; text-align: center;
}
.cta-block .eyebrow { background: rgba(139,92,246,0.25); color: #c4b5fd; }
.cta-block h2 { font-size: 1.5rem; font-weight: 800; margin: 0.9rem auto 0.6rem; max-width: 26ch; letter-spacing: -0.01em; color: #fff; }
.cta-block p { color: #c9c4de; max-width: 44ch; margin: 0 auto 1.5rem; font-size: 1rem; }

/* ---------- Related posts ---------- */
.related { max-width: var(--prosew); margin: 3rem auto 0; }
.related h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1rem; }
.related-list { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.related-list a {
  display: block; background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.1rem 1.2rem; transition: border-color 0.15s, transform 0.15s;
}
.related-list a:hover { border-color: var(--accent); transform: translateY(-2px); }
.related-list .cat { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--accent); }
.related-list h3 { font-size: 1rem; font-weight: 600; margin-top: 0.4rem; line-height: 1.35; }

/* ---------- Footer (shared with landing) ---------- */
footer { border-top: 1px solid var(--border); padding: 2.5rem 0; margin-top: 3.5rem; }
.foot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.foot .brand { font-size: 1rem; }
.foot-links { display: flex; gap: 1.5rem; font-size: 0.88rem; color: var(--muted); flex-wrap: wrap; }
.foot-links a:hover { color: var(--text); }
.copy { font-size: 0.82rem; color: var(--muted); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .post-grid { grid-template-columns: 1fr; }
  .related-list { grid-template-columns: 1fr; }
  .cta-block { padding: 1.8rem 1.3rem; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute; top: 66px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--surface); border-bottom: 1px solid var(--border);
    padding: 0.5rem 1.5rem 1.1rem; box-shadow: 0 14px 28px rgba(29,26,46,0.1);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a.link { font-size: 1rem; padding: 0.85rem 0.25rem; border-bottom: 1px solid var(--border); }
  .nav-links .btn-primary { margin-top: 0.9rem; padding: 0.8rem; }
}