:root{--navy:#0a1530;--navy7:#0f1d40;--blue:#2563eb;--blue4:#60a5fa;--ink:#0b1220;--slate:#475569;--slate5:#64748b;--line:#e7ecf3;--bg:#f6f8fc;--green:#16a34a}
*{box-sizing:border-box}
body{margin:0;font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--ink);background:#fff;line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Sora','Inter',sans-serif;letter-spacing:-.02em;line-height:1.2;margin:0}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:760px;margin:0 auto;padding:0 22px}
/* header */
.bnav{position:sticky;top:0;z-index:30;background:rgba(10,21,48,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.bnav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-family:'Sora';font-weight:800;font-size:18px;color:#fff}
.brand .b2{color:var(--blue4)}
.bnav .cta{background:linear-gradient(135deg,#3b82f6,#2563eb 55%,#0ea5e9);color:#fff;font-weight:700;font-size:14px;padding:9px 16px;border-radius:10px}
.bnav .cta:hover{text-decoration:none}
/* hero */
.bhero{background:radial-gradient(900px 460px at 80% -10%,#1b3170,rgba(27,49,112,0) 60%),linear-gradient(180deg,#0a1530,#0b1838);color:#eaf1ff;padding:46px 0 54px}
.crumb{font-size:13px;color:#93a7d4;margin-bottom:16px}
.crumb a{color:#bfdbfe}
.tag{display:inline-block;background:rgba(96,165,250,.14);border:1px solid rgba(96,165,250,.3);color:#bfdbfe;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:16px}
.bhero h1{color:#fff;font-size:clamp(28px,4.6vw,42px);font-weight:800}
.bhero .meta{color:#9fb4dc;font-size:14px;margin-top:16px}
.bhero .lead{color:#c4d2ee;font-size:18px;margin-top:18px;max-width:660px}
/* article */
article{padding:46px 0 20px}
article h2{font-size:26px;margin:38px 0 12px}
article h3{font-size:19px;margin:26px 0 8px;color:var(--navy7)}
article p{margin:0 0 18px;color:#1f2a3d}
article ul,article ol{margin:0 0 18px;padding-left:22px;color:#1f2a3d}
article li{margin:7px 0}
article strong{color:var(--ink)}
article a{font-weight:600}
.callout{background:linear-gradient(120deg,#fff7ed,#fffbf2);border:1px solid #fde7c4;border-radius:14px;padding:18px 20px;margin:24px 0;color:#7a5a23;font-size:15.5px}
.callout b{color:#92400e}
.tldr{background:var(--bg);border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:12px;padding:18px 20px;margin:0 0 30px}
.tldr h2{font-size:15px;text-transform:uppercase;letter-spacing:.08em;color:var(--blue);margin:0 0 8px}
.tldr p{margin:0;font-size:15.5px;color:var(--slate)}
table.cal{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}
table.cal th,table.cal td{border:1px solid var(--line);padding:10px 12px;text-align:left}
table.cal th{background:var(--bg);font-weight:700}
/* CTA */
.bcta{background:linear-gradient(135deg,#0c1937,#11224b);color:#eaf1ff;border-radius:18px;padding:30px;text-align:center;margin:40px 0;box-shadow:0 26px 70px -34px rgba(37,99,235,.5)}
.bcta h3{color:#fff;font-size:22px}
.bcta p{color:#bcccec;margin:12px auto 20px;max-width:540px;font-size:15.5px}
.btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,#3b82f6,#2563eb 55%,#0ea5e9);color:#fff;font-weight:700;font-size:15.5px;padding:14px 26px;border-radius:13px;box-shadow:0 14px 30px -10px rgba(37,99,235,.6)}
.btn:hover{transform:translateY(-2px);text-decoration:none}
.related{border-top:1px solid var(--line);margin-top:40px;padding-top:28px}
.related h3{font-size:18px;margin-bottom:14px}
.related a{display:block;padding:6px 0;font-weight:600}
/* blog index */
.posts{display:grid;gap:20px;padding:46px 0}
.post{display:block;border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:0 1px 2px rgba(15,23,42,.04),0 14px 32px -20px rgba(13,30,73,.24);transition:transform .2s,box-shadow .25s,border-color .2s}
.post:hover{transform:translateY(-3px);box-shadow:0 18px 40px -22px rgba(13,30,73,.3);border-color:#d6e0f0;text-decoration:none}
.post .ptag{font-size:12px;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.05em}
.post h2{font-size:21px;margin:10px 0 8px;color:var(--ink)}
.post p{color:var(--slate);font-size:15.5px;margin:0}
.post .more{color:var(--blue);font-weight:700;font-size:14.5px;margin-top:12px;display:inline-block}
/* footer */
.bfoot{background:var(--navy);color:#8d9cbd;padding:40px 0;font-size:13.5px;text-align:center;margin-top:30px}
.bfoot a{color:#aebbd6}
@media(max-width:620px){body{font-size:16px}article h2{font-size:22px}.bhero{padding:34px 0 40px}}