/* Windline guides: windline.tech/blog. Built by scripts/build-blog.mjs; same palette and type as the landing page. */
:root{
  --bg:#FFFFFF; --soft:#F6F9FC; --card:#FFFFFF; --ink:#0A2540; --body:#425466; --muted:#6B7C93; --line:rgba(10,37,64,.10);
  --accent:#635BFF; --accent-ink:#4B44D6; --accent-wash:rgba(99,91,255,.08); --teal:#00A88F; --teal-wash:rgba(0,168,143,.09);
  --navy:#0A2540; --r:16px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#070F1C; --soft:#0B1626; --card:#0F1D31; --ink:#F1F5F9; --body:#B3C1D1; --muted:#8193A8; --line:rgba(255,255,255,.09);
  --accent:#7C75FF; --accent-ink:#A9A4FF; --accent-wash:rgba(124,117,255,.12); --teal:#2BCBA8; --teal-wash:rgba(43,203,168,.1); --navy:#050C17;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--body);font:400 17px/1.7 Inter,system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent-ink)}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.narrow{max-width:740px;margin:0 auto}

/* header and footer */
.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font:700 19px/1 "Inter Tight",Inter,sans-serif;letter-spacing:-.02em}
.logo i{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,#8C85FF,#2A1F86);position:relative;box-shadow:0 3px 10px rgba(99,91,255,.4)}
.logo i:before,.logo i:after{content:"";position:absolute;left:6.5px;right:6.5px;height:2.4px;border-radius:2px;background:#fff}
.logo i:before{top:10px}.logo i:after{top:15.5px;right:9px}
.nav{display:flex;align-items:center;gap:22px}
.nav a{color:var(--body);text-decoration:none;font-weight:500;font-size:15px}
.nav a.cta-sm{color:#fff;background:var(--accent);padding:9px 16px;border-radius:999px;font-weight:600;box-shadow:0 4px 12px -4px rgba(99,91,255,.6)}
@media (max-width:560px){.nav a.hide-sm{display:none}}
.foot{border-top:1px solid var(--line);margin-top:72px;padding:32px 0 48px;font-size:14px;color:var(--muted)}
.foot .wrap{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:space-between}
.foot a{color:var(--muted)}

/* article */
.crumbs{font-size:13.5px;color:var(--muted);margin:28px 0 0}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--accent-ink)}
.crumbs span{margin:0 7px;opacity:.6}
.eyebrow{display:inline-block;margin:26px 0 0;font:600 12.5px/1 Inter,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--teal)}
h1{color:var(--ink);font:800 clamp(32px,4.6vw,46px)/1.12 "Inter Tight",Inter,sans-serif;letter-spacing:-.025em;margin:12px 0 14px}
.dek{font-size:20px;line-height:1.55;color:var(--body);margin:0 0 20px}
.byline{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;font-size:14px;color:var(--muted);padding-bottom:22px;border-bottom:1px solid var(--line)}
.byline b{color:var(--ink);font-weight:600}
.answer{margin:28px 0 22px;padding:20px 22px;border-radius:var(--r);background:var(--accent-wash);border:1px solid color-mix(in srgb,var(--accent) 22%,transparent)}
.answer h2{all:unset;display:block;font:700 12.5px/1 Inter,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:10px}
.answer p{margin:0;color:var(--ink);font-size:18px;line-height:1.6}
.takeaways{margin:0 0 26px;padding:18px 22px 18px 22px;border-radius:var(--r);background:var(--soft)}
.takeaways h2,.toc h2,.defs h2{all:unset;display:block;font:700 13px/1 Inter,sans-serif;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.takeaways ul{margin:0;padding-left:20px}.takeaways li{margin:4px 0}
.toc{margin:0 0 30px;padding:0 0 22px;border-bottom:1px solid var(--line)}
.toc ol{margin:0;padding-left:20px;columns:2;column-gap:28px}.toc li{break-inside:avoid;margin:4px 0;font-size:15.5px}
.toc a{color:var(--body);text-decoration:none}.toc a:hover{color:var(--accent-ink)}
@media (max-width:640px){.toc ol{columns:1}}
.defs{margin:0 0 30px;padding:16px 20px;border-left:3px solid var(--teal);background:var(--teal-wash);border-radius:0 12px 12px 0}
.defs dl{margin:0}.defs dt{color:var(--ink);font-weight:600}.defs dd{margin:0 0 8px}
.body h2{color:var(--ink);font:700 clamp(24px,3vw,30px)/1.25 "Inter Tight",Inter,sans-serif;letter-spacing:-.02em;margin:48px 0 14px;scroll-margin-top:84px}
.body h3{color:var(--ink);font:700 20px/1.35 "Inter Tight",Inter,sans-serif;margin:30px 0 10px}
.body p,.body li{color:var(--body)}
.body strong{color:var(--ink)}
.body ul,.body ol{padding-left:22px}
.body blockquote{margin:22px 0;padding:4px 18px;border-left:3px solid var(--line);color:var(--muted)}
.tbl{overflow-x:auto;margin:22px 0;border:1px solid var(--line);border-radius:12px}
.tbl table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.5}
.tbl th{background:var(--soft);color:var(--ink);text-align:left;font-weight:600;padding:10px 12px;white-space:nowrap}
.tbl td{padding:10px 12px;border-top:1px solid var(--line);vertical-align:top}
.soon-link{border-bottom:1px dotted var(--muted)}
.inline-cta{margin:30px 0;padding:14px 18px;border-radius:12px;background:var(--soft);font-size:16px}
.inline-cta a{font-weight:600}
.wl-box{margin:32px 0;padding:18px 22px;border-radius:var(--r);border:1px solid var(--line);background:var(--card);box-shadow:0 10px 30px -18px rgba(10,37,64,.35)}
.wl-box .k{display:flex;align-items:center;gap:8px;font:700 12.5px/1 Inter,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:8px}
.wl-box p{margin:6px 0}
.faq{margin-top:56px}
.faq h2{color:var(--ink);font:700 clamp(24px,3vw,30px)/1.25 "Inter Tight",Inter,sans-serif;margin:0 0 6px}
.faq h3{color:var(--ink);font:650 18px/1.4 Inter,sans-serif;margin:24px 0 6px}
.faq p{margin:0}
.cta-block{margin:56px 0 0;padding:32px;border-radius:24px;background:var(--navy);color:#fff;position:relative;overflow:hidden}
.cta-block:before{content:"";position:absolute;inset:0;background:radial-gradient(600px 240px at 90% 0%,rgba(124,117,255,.35),transparent 70%),radial-gradient(500px 220px at 0% 100%,rgba(43,224,180,.18),transparent 70%)}
.cta-block>*{position:relative}
.cta-block h2{all:unset;display:block;font:800 26px/1.2 "Inter Tight",Inter,sans-serif;color:#fff;letter-spacing:-.02em}
.cta-block p{color:#C9D5E3;margin:10px 0 20px;font-size:17px}
.cta-block a{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--accent-ink);text-decoration:none;font-weight:700;padding:12px 20px;border-radius:999px}
.sources{margin-top:48px;font-size:15px}
.sources h2,.related h2,.about h2,.changes h2{color:var(--ink);font:700 20px/1.3 "Inter Tight",Inter,sans-serif;margin:0 0 10px}
.sources ol{padding-left:20px}.sources li{margin:6px 0;color:var(--body)}
.sources .method{color:var(--muted)}
.related{margin-top:44px}
.related ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.related a{display:block;height:100%;padding:16px;border-radius:14px;border:1px solid var(--line);text-decoration:none;color:var(--ink);font-weight:600;line-height:1.4;background:var(--card)}
.related a small{display:block;margin-top:6px;color:var(--muted);font-weight:400;font-size:13.5px}
.about{margin-top:44px;padding:20px 22px;border-radius:var(--r);background:var(--soft);font-size:15.5px}
.about b{color:var(--ink)}
.changes{margin-top:28px;font-size:14px;color:var(--muted)}
.changes ul{padding-left:18px}

/* blog home */
.hero{padding:56px 0 24px}
.hero h1{max-width:760px}
.hero p{max-width:640px;font-size:19px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin:24px 0 40px}
.card{display:flex;flex-direction:column;gap:8px;padding:22px;border-radius:18px;border:1px solid var(--line);background:var(--card);text-decoration:none;color:var(--body);box-shadow:0 12px 30px -24px rgba(10,37,64,.35);transition:transform .15s ease,box-shadow .15s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 18px 36px -22px rgba(10,37,64,.45)}
.card .k{font:700 12px/1 Inter,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--teal)}
.card b{color:var(--ink);font:700 20px/1.3 "Inter Tight",Inter,sans-serif;letter-spacing:-.01em}
.card span{font-size:15.5px;line-height:1.55}
.section-h{color:var(--ink);font:700 24px/1.3 "Inter Tight",Inter,sans-serif;margin:40px 0 0}