:root{--brand-50: #eef7fd;--brand-100: #d7ecfb;--brand-200: #b2dcf5;--brand-300: #81d8eb;--brand-400: #3ea7e0;--brand-500: #2b8fd6;--brand-600: #1f73b8;--brand-700: #17568b;--brand-800: #134373;--brand-900: #0e3356;--ink: #0d2235;--muted: #5b7488;--line: #e3edf5;--bg: #f7fbfe;--card: #ffffff;--grad: linear-gradient(135deg, #5fc0f0 0%, #2b8fd6 45%, #17568b 100%);--shadow: 0 10px 30px -12px rgba(19, 67, 115, .25);--shadow-lg: 0 30px 60px -20px rgba(19, 67, 115, .35);--radius: 16px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}h1,h2,h3,.brand-font{font-family:Plus Jakarta Sans,system-ui,sans-serif;letter-spacing:-.02em}h1{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.08;margin:0 0 16px;font-weight:800}h2{font-size:clamp(1.6rem,3.2vw,2.3rem);font-weight:700;margin:0 0 12px}h3{font-size:1.15rem;font-weight:700;margin:0 0 6px}p{margin:0 0 14px}a{color:var(--brand-600);text-decoration:none}.wrap{max-width:1120px;margin:0 auto;padding:0 24px}.section{padding:72px 0}.muted{color:var(--muted)}.eyebrow{font:600 13px Inter;letter-spacing:.08em;text-transform:uppercase;color:var(--brand-600)}.btn{display:inline-flex;align-items:center;gap:8px;font:600 15px Inter;padding:13px 22px;border-radius:999px;background:var(--grad);color:#fff;box-shadow:var(--shadow);transition:transform .15s ease,box-shadow .15s ease;border:0;cursor:pointer}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);color:#fff}.btn-ghost{background:#fff;color:var(--brand-700);border:1px solid var(--line);box-shadow:none}.btn-ghost:hover{border-color:var(--brand-300);color:var(--brand-700)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.grid{display:grid;gap:20px}@media (min-width: 760px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}}header.site{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(10px);background:#f7fbfecc;border-bottom:1px solid var(--line)}header.site .bar{display:flex;align-items:center;justify-content:space-between;height:66px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink);min-height:44px}.logo img{width:34px;height:34px}.logo b{font-family:Plus Jakarta Sans}.logo b span{color:var(--brand-600)}nav.main{display:none;gap:26px}nav.main a{color:var(--ink);font-weight:500;font-size:15px}nav.main a:hover{color:var(--brand-600)}.head-cta{display:flex;align-items:center;gap:12px}@media (max-width: 460px){.head-cta{gap:8px}.head-cta .btn{padding:10px 14px;font-size:14px;min-height:40px;white-space:nowrap}#hdr-auth{display:none}.logo{gap:8px;font-size:17px}}@media (min-width: 860px){nav.main{display:flex}}footer.site{border-top:1px solid var(--line);background:#fff;margin-top:40px}footer.site .cols{padding:40px 0 8px}footer.site .f-top{display:grid;gap:28px 32px;grid-template-columns:1fr 1fr}footer.site .f-brand{grid-column:1 / -1;max-width:420px}@media (min-width: 760px){footer.site .f-top{grid-template-columns:minmax(0,1.8fr) repeat(3,minmax(0,1fr))}footer.site .f-brand{grid-column:auto}}footer.site .f-wide{margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}footer.site .f-flow{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));column-gap:24px;margin-top:6px}@media (min-width: 760px){footer.site .f-flow{grid-template-columns:repeat(auto-fill,minmax(190px,1fr))}}footer.site .f-h{font-size:14px}footer.site a.f-all{color:var(--brand-600);font-weight:600}footer.site a.f-all:hover{color:var(--brand-700)}footer.site a{color:var(--muted);font-size:14px;display:block;padding:4px 0}@media (max-width: 1023px),(pointer: coarse){footer.site a{padding:9px 0}}@media (pointer: coarse){nav.main a{padding:10px 0}}footer.site a:hover{color:var(--brand-600)}footer.site .social{display:flex;gap:10px;margin-top:16px}footer.site .social a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;padding:0;border-radius:10px;color:var(--muted);background:#fff;border:1px solid var(--line);transition:color .15s,border-color .15s,background .15s,transform .15s}footer.site .social a:hover{color:#fff;background:var(--grad);border-color:transparent;transform:translateY(-2px)}footer.site .social svg{display:block}footer.site .legal{color:var(--muted);font-size:13px;padding:16px 0 36px;margin-top:22px;border-top:1px solid var(--line)}footer.site .legal a{display:inline;padding:0;font-size:13px;text-decoration:underline;text-underline-offset:2px}.pill{display:inline-flex;align-items:center;gap:8px;background:var(--brand-50);color:var(--brand-700);border:1px solid var(--brand-100);border-radius:999px;padding:6px 14px;font:600 13px Inter}.prose h1{font-size:clamp(1.8rem,4vw,2.6rem)}.prose h2{font-size:1.3rem;margin-top:28px}.prose{max-width:760px}.prose ul{padding-left:20px}kbd{font-family:ui-monospace,monospace;background:var(--brand-50);border:1px solid var(--brand-100);border-bottom-width:2px;padding:2px 7px;border-radius:6px;font-size:.85em;color:var(--brand-800)}