/* Shared styles for /blog: same tokens, header and footer as the homepage */
:root {
  --navy: #15223d;
  --navy-2: #24375f;
  --amber: #f5a623;
  --amber-soft: #fff4e0;
  --ink: #1a1f2b;
  --muted: #5b6475;
  --line: #e6e8ee;
  --bg: #ffffff;
  --bg-soft: #f6f7fa;
  --green: #1f8a5b;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.7; -webkit-text-size-adjust: 100%; }
a { color: var(--navy); }
img { display: block; max-width: 100%; height: auto; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Header and footer (as on the homepage) */
header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; gap: 32px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 21px; letter-spacing: -0.02em; text-decoration: none; color: var(--ink); }
.brand .logo-mark { display: block; flex: none; width: 40px; height: 40px; }
.brand img { width: 40px; height: 40px; }
.nav ul { display: flex; gap: 8px; list-style: none; margin: 0; padding: 0; font-size: 16px; font-weight: 600; }
.nav ul a { text-decoration: none; padding: 8px 12px; border-radius: 999px; color: var(--ink); }
.nav ul a:hover, .nav ul a[aria-current] { background: var(--bg-soft); color: var(--navy); }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 11px 20px; border-radius: 999px; font-weight: 600; font-size: 15px; text-decoration: none; background: var(--navy); color: #fff; }
.btn:hover { background: var(--navy-2); }
.btn-amber { background: var(--amber); color: var(--navy); }
.btn-amber:hover { background: #ffb840; }
.nav .btn { margin-left: auto; padding: 9px 18px; }
footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: 14px; margin-top: 64px; }
.foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; }
.foot .brand { font-size: 18px; }
.foot .brand img { width: 32px; height: 32px; }
.foot ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 24px; }
.foot a { text-decoration: none; color: inherit; }
.foot ul a:hover { color: var(--ink); }
.fine { margin: 16px 0 0; font-size: 13px; }

/* Article */
.crumbs { font-size: 14px; color: var(--muted); margin: 32px 0 0; }
.crumbs a { color: var(--muted); }
.post { max-width: 720px; margin: 0 auto; padding: 0 24px; }
.post h1 { font-size: clamp(30px, 4.4vw, 42px); line-height: 1.15; letter-spacing: -0.03em; font-weight: 800; margin: 12px 0 14px; }
.post .meta { color: var(--muted); font-size: 15px; margin: 0 0 28px; }
.post h2 { font-size: 26px; line-height: 1.25; letter-spacing: -0.02em; margin: 44px 0 12px; scroll-margin-top: 80px; }
.post h3 { font-size: 20px; line-height: 1.3; margin: 30px 0 8px; }
.post p, .post ul, .post ol { margin: 0 0 18px; }
.post ul, .post ol { padding-left: 1.3em; }
.post li { margin: 6px 0; }
.post table { width: 100%; border-collapse: collapse; margin: 0 0 22px; font-size: 15px; display: block; overflow-x: auto; }
.post th, .post td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.post th { background: var(--bg-soft); font-weight: 650; }
.post code { font-size: .9em; background: var(--bg-soft); padding: .1em .35em; border-radius: 5px; }
.post blockquote { margin: 0 0 18px; padding: 4px 0 4px 18px; border-left: 3px solid var(--amber); color: var(--muted); }
.tldr { background: var(--amber-soft); border-radius: 16px; padding: 20px 24px; margin: 0 0 32px; }
.tldr h2 { font-size: 15px; letter-spacing: .08em; text-transform: uppercase; color: #9a5b00; margin: 0 0 8px; }
.tldr ul { margin: 0; }
.formula { background: var(--bg-soft); border-radius: 12px; padding: 14px 18px; margin: 0 0 18px; font-weight: 650; }
.post-cta { background: var(--navy); color: #fff; border-radius: 20px; padding: 28px; margin: 44px 0 0; }
.post-cta h2 { color: #fff; margin: 0 0 8px; font-size: 22px; }
.post-cta p { color: #c9d1e1; margin: 0 0 18px; }
.related { margin: 40px 0 0; padding: 24px 0 0; border-top: 1px solid var(--line); }
.related h2 { font-size: 18px; margin: 0 0 10px; }
.related ul { margin: 0; }

/* Blog index */
.blog-head { max-width: 720px; margin: 0 auto; padding: 48px 24px 8px; }
.blog-head h1 { font-size: clamp(32px, 4.6vw, 44px); letter-spacing: -0.03em; line-height: 1.1; margin: 0 0 12px; }
.blog-head p { color: var(--muted); margin: 0; }
.cards { max-width: 720px; margin: 24px auto 0; padding: 0 24px; display: grid; gap: 16px; }
.card { display: block; border: 1px solid var(--line); border-radius: 18px; padding: 22px 24px; text-decoration: none; color: inherit; }
.card:hover { border-color: var(--amber); }
.card h2 { font-size: 21px; line-height: 1.3; margin: 0 0 6px; letter-spacing: -0.01em; }
.card p { margin: 0 0 8px; color: var(--muted); font-size: 16px; }
.card small { color: var(--muted); font-size: 14px; }

@media (max-width: 720px) {
  .wrap, .post, .blog-head, .cards { padding-left: 16px; padding-right: 16px; }
  .nav { gap: 12px; }
  .nav ul li:not(.keep) { display: none; }
  .nav ul { gap: 6px; }
  .nav ul a { padding: 7px 12px; font-size: 15px; background: var(--bg-soft); color: var(--navy); white-space: nowrap; }
  .nav ul a[href="/blog/"] { background: var(--navy); color: #fff; }
  .brand { white-space: nowrap; }
  .nav .btn { display: none; }
  .nav ul { margin-left: auto; }
  body { font-size: 16px; }
  .post h2 { font-size: 22px; }
  .tldr, .post-cta { padding: 18px; }
}
/* Blog index groups */
.cards h2.group { font-size: 15px; letter-spacing: .08em; text-transform: uppercase; color: #9a5b00; margin: 24px 0 0; }
.cards h2.group:first-child { margin-top: 0; }
.card h3 { font-size: 21px; line-height: 1.3; margin: 0 0 6px; letter-spacing: -0.01em; }
/* Topic illustrations */
.post-hero { margin: 0 0 28px; }
.post-hero img { width: 100%; height: auto; border-radius: 18px; background: var(--navy); }
.card { display: grid; grid-template-columns: 200px 1fr; gap: 20px; align-items: center; }
.card img { width: 100%; height: auto; border-radius: 12px; background: var(--navy); }
@media (max-width: 600px) {
  .card { grid-template-columns: 1fr; gap: 14px; }
}
/* Long URLs and code (e.g. UTM links) wrap instead of widening the page on phones */
.post code, .post a, .formula { overflow-wrap: anywhere; }
@media (max-width: 374px) { .brand { font-size: 17px; gap: 8px; } .brand img, .brand .logo-mark { width: 34px; height: 34px; } .nav ul a { padding: 6px 10px; font-size: 14px; } }
/* Apps page */
.apps-list { max-width: 720px; margin: 24px auto 0; padding: 0 24px; display: grid; gap: 16px; }
.app-tile { display: grid; grid-template-columns: 72px 1fr; gap: 20px; border: 1px solid var(--line); border-radius: 20px; padding: 26px; }
.app-tile h2 { font-size: 23px; line-height: 1.25; margin: 4px 0 8px; letter-spacing: -0.01em; }
.app-tile p { margin: 0 0 12px; color: var(--muted); font-size: 16px; }
.app-icon { width: 72px; height: 72px; border-radius: 18px; }
.app-icon-empty { display: grid; place-items: center; border: 2px dashed #cfd4de; color: #9aa3b5; font-size: 26px; font-weight: 700; }
.app-next { border-style: dashed; border-width: 2px; border-color: #cfd4de; }
.soon { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: #9a5b00; background: var(--amber-soft); padding: 3px 10px; border-radius: 999px; }
.app-points { margin: 0 0 12px; padding-left: 1.2em; color: var(--muted); font-size: 15px; }
.app-points li { margin: 4px 0; }
.app-points b { color: var(--ink); }
.app-meta { font-size: 14px !important; }
.app-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.text-link { color: var(--navy); font-weight: 600; }
@media (max-width: 600px) {
  .apps-list { padding: 0 16px; }
  .app-tile { grid-template-columns: 56px 1fr; gap: 0 14px; align-items: center; padding: 20px; }
  .app-tile > div { display: contents; }
  .app-icon { width: 56px; height: 56px; border-radius: 14px; grid-row: 1; }
  .app-tile h2 { grid-column: 2; grid-row: 1; margin: 0; font-size: 20px; }
  .app-tile .soon { grid-column: 1 / -1; grid-row: 2; justify-self: start; margin-top: 16px; font-size: 11px; }
  .app-tile p, .app-tile ul, .app-tile .app-actions, .app-tile .text-link { grid-column: 1 / -1; }
  .app-tile p:first-of-type { margin-top: 12px; }
}
/* Keyboard users: jump past the header */
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: #15223d; color: #fff; padding: 10px 16px; border-radius: 8px; font-weight: 600; }
.skip:focus { left: 16px; }
.apps-guides { max-width: 720px; margin: 40px auto 0; padding: 0 24px; }
.apps-guides h2 { font-size: 22px; margin: 0 0 6px; }
.apps-guides p { color: var(--muted); margin: 0 0 12px; }
.apps-guides ul { margin: 0 0 14px; padding-left: 1.2em; }
.apps-guides li { margin: 6px 0; }
@media (max-width: 720px) { .apps-guides { padding: 0 16px; } }
/* Apps ROI Tracker tile */
.app-tile-new { border: 2px solid var(--amber); box-shadow: 0 10px 30px rgba(245,166,35,.15); }
.soon-new { background: var(--amber); color: var(--navy); }
.soon-live { background: #dff5ec; color: #0b6346; }