/* trailback.app/blog: article and index styles, scoped under body.blog so they never touch other pages.
   Built on the site's tokens; the nav, footer and Inter font come from site.css. */
.blog{--blue:#3184F9;--indigo:#4E63EA;--grad:linear-gradient(135deg,#3A8BFF 0%,#4E63EA 100%);--ink:#0D1433;--ink-2:#3D4666;--ink-3:#6B7391;--line:#E3E7F2;--bg-2:#F5F7FD;--tint:#EEF3FF;--navy:#0B1230;--green:#16A34A}
.blog .wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.blog .eyebrow{display:inline-block;color:var(--blue);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.blog .mute{color:#8A90A0}
.blog .btn{display:inline-flex;align-items:center;justify-content:center;height:50px;padding:0 26px;border-radius:999px;font-weight:600;font-size:16px;color:#fff;background:var(--grad);box-shadow:rgba(62,110,240,.7) 0 10px 24px -10px;text-decoration:none;white-space:nowrap;transition:transform .15s}
.blog .btn:hover{transform:translateY(-2px)}
.blog .btn.sm{height:40px;padding:0 18px;font-size:14px}
.blog .chip{display:inline-flex;font-size:12px;font-weight:700;letter-spacing:.04em;color:#2F5FD0;background:var(--tint);border:1px solid #D7E3FF;padding:4px 10px;border-radius:99px}
.blog .bindex{padding-top:130px;background:radial-gradient(1200px 500px at 50% -10%,#EAF0FF 0%,rgba(234,240,255,0) 70%)}
.blog .bhero{text-align:center;padding-bottom:40px}
.blog .bhero h1{font-size:64px;line-height:1.02;font-weight:800;letter-spacing:-.045em;margin:14px 0 0}
.blog .lede{font-size:19px;line-height:1.55;color:var(--ink-2);max-width:640px;margin:18px auto 0}
.blog .card{display:flex;flex-direction:column;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:transform .2s,box-shadow .2s}
.blog .card:hover{transform:translateY(-3px);box-shadow:0 1px 2px rgba(30,45,140,.06),0 24px 48px -24px rgba(40,60,190,.35)}
.blog .card img{aspect-ratio:1200/630;object-fit:cover;border-bottom:1px solid var(--line)}
.blog .card .cb{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.blog .card h3{font-size:19px;line-height:1.3;letter-spacing:-.02em;margin:4px 0 0}
.blog .card p{font-size:14.5px;line-height:1.5;color:var(--ink-3);margin:0}
.blog .card .meta{margin-top:auto;font-size:13px;color:var(--ink-3);padding-top:6px}
.blog .card.big{display:grid;grid-template-columns:1.25fr 1fr;align-items:stretch}
.blog .card.big img{height:100%;border-bottom:0;border-right:1px solid var(--line)}
.blog .card.big .cb{padding:36px;justify-content:center}
.blog .card.big h3{font-size:32px}
.blog .card.big p{font-size:16.5px}
.blog .chips{display:flex;gap:8px;flex-wrap:wrap;margin:48px 0 20px}
.blog .chips button{font:inherit;font-size:14px;font-weight:600;padding:8px 14px;border-radius:99px;border:1px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer}
.blog .chips button.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.blog .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.blog .card[hidden]{display:none}
.blog .post{padding-top:118px}
.blog .phead{max-width:900px;text-align:center}
.blog .crumbs{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;font-size:13.5px;color:var(--ink-3);margin-bottom:22px}
.blog .crumbs a{text-decoration:none}
.blog .crumbs a:hover{color:var(--blue)}
.blog .phead h1{font-size:52px;line-height:1.06;font-weight:800;letter-spacing:-.04em;margin:16px 0 0}
.blog .byline{display:inline-flex;align-items:center;gap:12px;margin:26px 0 30px;text-align:left}
.blog .byline img{border-radius:10px}
.blog .byline b{display:block;font-size:15px}
.blog .byline span{font-size:13.5px;color:var(--ink-3)}
.blog .cover{border-radius:22px;border:1px solid var(--line);box-shadow:0 30px 60px -30px rgba(40,60,190,.4);margin:0 auto}
.blog .layout{display:grid;grid-template-columns:240px minmax(0,720px);gap:56px;justify-content:center;margin-top:56px}
.blog .side .sticky{position:sticky;top:100px}
.blog .tt{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin:0 0 10px}
.blog .toc{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
.blog .toc a{display:block;font-size:13.5px;line-height:1.4;padding:6px 0 6px 14px;margin-left:-2px;border-left:2px solid transparent;color:var(--ink-3);text-decoration:none}
.blog .toc a:hover{color:var(--ink)}
.blog .toc a.on{color:var(--blue);border-left-color:var(--blue);font-weight:600}
.blog .mini{margin-top:28px;border:1px solid var(--line);border-radius:18px;padding:18px;background:linear-gradient(180deg,#F6F8FF,#fff)}
.blog .mini img{border-radius:10px;margin-bottom:10px}
.blog .mini b{font-size:15px}
.blog .mini p{font-size:13.5px;color:var(--ink-3);margin:4px 0 14px;line-height:1.45}
.blog .mini span{display:block;font-size:12px;color:var(--ink-3);margin-top:8px}
.blog .prose{font-size:18px;line-height:1.72;color:var(--ink-2);min-width:0}
.blog .prose>p:first-child{font-size:20px;color:var(--ink)}
.blog .prose h2{font-size:32px;line-height:1.15;letter-spacing:-.03em;color:var(--ink);margin:56px 0 14px}
.blog .prose h3{font-size:22px;line-height:1.25;letter-spacing:-.02em;color:var(--ink);margin:36px 0 8px}
.blog .prose p{margin:0 0 18px}
.blog .prose ul,.blog .prose ol{padding-left:22px;margin:0 0 20px}
.blog .prose li{margin:6px 0}
.blog .prose a{color:var(--blue);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.blog .prose a:hover{text-decoration-thickness:2px}
.blog .prose strong{color:var(--ink)}
.blog .prose code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86em;background:var(--bg-2);border:1px solid var(--line);border-radius:6px;padding:1px 6px}
.blog .note{margin:24px 0;padding:16px 20px;border-radius:14px;background:var(--tint);border:1px solid #D7E3FF;font-size:15.5px;line-height:1.6}
.blog .note p{margin:0}
.blog .shot{margin:28px 0}
.blog .shot img{border-radius:16px;border:1px solid var(--line);box-shadow:0 24px 48px -28px rgba(40,60,190,.4)}
.blog .shot figcaption{font-size:13.5px;color:var(--ink-3);text-align:center;margin-top:10px}
.blog .tbl{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:14px}
.blog .tbl table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.45}
.blog .tbl th{background:var(--bg-2);text-align:left;font-weight:700;color:var(--ink)}
.blog .tbl th,.blog .tbl td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.blog .tbl tr:last-child td{border-bottom:0}
.blog .ctabox{margin:48px 0;border-radius:24px;padding:32px;background:linear-gradient(150deg,#0E1645,#18237A);color:#fff;display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.blog .ctabox .eyebrow{color:#8FB5FF}
.blog .ctabox h3{font-size:26px;line-height:1.2;letter-spacing:-.02em;margin:8px 0;color:#fff}
.blog .ctabox p{color:rgba(255,255,255,.75);font-size:15.5px;line-height:1.55;margin:0;max-width:440px}
.blog .ctas{display:flex;flex-direction:column;align-items:center;gap:8px}
.blog .ctanote{font-size:12.5px;color:rgba(255,255,255,.65)}
.blog .faq details{border:1px solid var(--line);border-radius:14px;padding:4px 18px;margin:10px 0;background:#fff}
.blog .faq summary{cursor:pointer;font-weight:600;color:var(--ink);font-size:17px;padding:12px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.blog .faq summary::after{content:"+";color:var(--blue);font-weight:700}
.blog .faq details[open] summary::after{content:"–"}
.blog .faq details p{font-size:16px;margin:0 0 14px}
.blog .author{display:flex;gap:16px;align-items:flex-start;margin:40px 0 0;padding:22px;border-radius:18px;background:var(--bg-2);border:1px solid var(--line)}
.blog .author img{border-radius:14px;flex:none}
.blog .author b{color:var(--ink);font-size:16px}
.blog .author p{font-size:15px;line-height:1.55;margin:4px 0 0}
.blog .related{margin:80px auto 0}
.blog .related h2{font-size:32px;letter-spacing:-.03em;margin:0 0 20px}
.blog .bindex .ctabox{margin:64px 0 0}
@media(max-width:1000px){.blog .layout{grid-template-columns:minmax(0,720px)}
.blog .side{display:none}
.blog .grid{grid-template-columns:1fr 1fr}
.blog .card.big{grid-template-columns:1fr}
.blog .card.big img{border-right:0;border-bottom:1px solid var(--line)}}
@media(max-width:640px){.blog .wrap{padding:0 16px}
.blog .bhero h1{font-size:40px}
.blog .phead h1{font-size:33px}
.blog .lede{font-size:17px}
.blog .grid{grid-template-columns:1fr}
.blog .prose{font-size:17px}
.blog .prose h2{font-size:26px}
.blog .prose h3{font-size:20px}
.blog .card.big .cb{padding:22px}
.blog .card.big h3{font-size:24px}
.blog .ctabox{padding:24px}
.blog .ctabox h3{font-size:22px}
.blog .cover{border-radius:14px}
.blog .layout{margin-top:36px}}
@media(prefers-reduced-motion:reduce){.blog .card,.blog .btn{transition:none}}
.blog .prose a.btn,.blog .ctabox a.btn{color:#fff;text-decoration:none}
.blog main img{max-width:100%;height:auto;display:block}
html:has(body.blog){scroll-behavior:smooth;scroll-padding-top:96px}
@media(prefers-reduced-motion:reduce){html:has(body.blog){scroll-behavior:auto}}
.blog .card .chip{align-self:flex-start}