:root{--ink:#0B1F3A;--ink-body:#334155;--ink-mute:#64748B;--ink-soft:#94A3B8;--navy:#0B2545;--navy-deep:#081A33;--blue:#1F4E79;--blue-light:#4A90D9;--blue-bg:#EBF3FF;--sky:#7DD3FC;--gold:#B8860B;--gold-soft:#FEF5E7;--green:#0F7553;--green-soft:#E6F4EC;--red:#B91C1C;--red-soft:#FEE2E2;--line:#E2E8F0;--line-soft:#EFF2F6;--paper:#FFFFFF;--paper-soft:#F8FAFC;--paper-strip:#F1F5F9;--shadow-sm:0 1px 2px rgba(11,31,58,0.04),0 1px 3px rgba(11,31,58,0.03);--shadow-md:0 4px 6px rgba(11,31,58,0.05),0 10px 15px rgba(11,31,58,0.07);--radius:14px;--radius-sm:10px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ink-body);background:var(--paper-soft);line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased}
.nav{position:sticky;top:0;background:rgba(255,255,255,0.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);z-index:100}
.nav-inner{max-width:1200px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);font-weight:800;letter-spacing:-0.01em;font-size:18px}
.brand-mark{width:28px;height:28px;background:var(--navy);border-radius:6px;display:flex;align-items:center;justify-content:center;color:#fff;font-family:'Inter',sans-serif;font-weight:800;font-size:12.5px;letter-spacing:-0.02em;flex-shrink:0}
.brand span{color:var(--blue-light)}
.nav-right{display:flex;gap:24px;align-items:center;font-size:14px;font-weight:500}
.nav-right a{color:var(--ink-mute);text-decoration:none;transition:color 0.15s}
.nav-right a:hover{color:var(--navy)}
.nav-right a.current{color:var(--navy);font-weight:600}
@media(max-width:760px){.nav-right{display:none}}
.article{max-width:760px;margin:0 auto;padding:48px 24px 96px;background:var(--paper)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:var(--blue);margin-bottom:18px}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--blue);display:inline-block;border-radius:2px}
h1{font-family:'Inter',sans-serif;font-size:clamp(30px,4.5vw,46px);line-height:1.15;font-weight:800;letter-spacing:-0.02em;color:var(--ink);margin-bottom:18px}
.lede{font-size:19px;line-height:1.65;color:var(--ink-body);margin-bottom:28px;font-weight:400}
.byline{display:flex;align-items:center;gap:14px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:36px}
.byline img{width:48px;height:48px;border-radius:50%;object-fit:cover}
.byline-meta{font-size:14px;line-height:1.4;color:var(--ink-mute)}
.byline-meta strong{color:var(--ink);font-weight:700}
.byline-meta a{color:var(--blue);text-decoration:none}
.byline-meta a:hover{text-decoration:underline}
.byline-date{color:var(--ink-mute);font-size:13px}
.byline-anon{justify-content:flex-start}
.byline-anon .byline-meta{font-size:13px;letter-spacing:0.02em;text-transform:uppercase;font-weight:500}
.hero-img{margin:0 -24px 36px}
.hero-img img{width:100%;height:auto;display:block}
@media(max-width:600px){.hero-img{margin-left:-20px;margin-right:-20px}}
@media(min-width:760px){.hero-img{margin:0 0 36px;border-radius:var(--radius);overflow:hidden}}
.article h2{font-size:28px;font-weight:800;color:var(--ink);letter-spacing:-0.01em;margin:44px 0 16px;line-height:1.2}
.article h3{font-size:21px;font-weight:700;color:var(--ink);margin:32px 0 12px;line-height:1.3}
.article p{margin-bottom:18px}
.article a{color:var(--blue);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;transition:color 0.15s}
.article a:hover{color:var(--navy);text-decoration-thickness:2px}
.article ul,.article ol{margin:0 0 22px 22px}
.article li{margin-bottom:8px}
.article strong{color:var(--ink);font-weight:700}
.article em{font-style:italic}
.tbl{width:100%;border-collapse:collapse;font-size:15px;margin:18px 0 28px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.tbl-cap{caption-side:top;text-align:left;font-size:13px;font-weight:600;color:var(--ink-mute);padding:0 0 10px 2px;font-style:normal;letter-spacing:0.005em}
.tbl th{background:var(--navy);color:#fff;text-align:left;padding:14px 16px;font-weight:600;letter-spacing:0.01em;font-size:13px;text-transform:uppercase}
.tbl td{padding:14px 16px;border-top:1px solid var(--line);vertical-align:top;color:var(--ink-body)}
.tbl tr:nth-child(even) td{background:var(--paper-strip)}
.tbl td:first-child{font-weight:600;color:var(--ink)}
@media(max-width:600px){.tbl{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}}
.callout{background:var(--blue-bg);border-left:4px solid var(--blue);padding:20px 22px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:28px 0}
.callout-label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:var(--blue);margin-bottom:8px}
.callout p{margin-bottom:0}
.callout p+p{margin-top:10px}
.callout-gold{background:var(--gold-soft);border-left-color:var(--gold)}
.callout-gold .callout-label{color:var(--gold)}
.callout-green{background:var(--green-soft);border-left-color:var(--green)}
.callout-green .callout-label{color:var(--green)}
.callout-red{background:var(--red-soft);border-left-color:var(--red)}
.callout-red .callout-label{color:var(--red)}
figure{margin:28px 0}
figure svg{width:100%;height:auto;display:block;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm)}
figcaption{font-size:13px;color:var(--ink-mute);margin-top:10px;text-align:center;font-style:italic}
.product-cta{background:linear-gradient(135deg,var(--navy) 0%,var(--blue) 100%);color:#fff;padding:26px 28px;border-radius:var(--radius);margin:32px 0;display:flex;flex-direction:column;gap:16px}
.product-cta-eyebrow{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:0.1em;color:var(--sky)}
.product-cta-title{font-size:22px;font-weight:800;line-height:1.25;letter-spacing:-0.01em;color:#fff}
.product-cta-body{font-size:15px;line-height:1.6;color:rgba(255,255,255,0.9)}
.product-cta-btn{display:inline-block;background:#fff;color:var(--navy);padding:12px 22px;border-radius:8px;font-weight:700;font-size:15px;text-decoration:none;align-self:flex-start}
/* links inside the dark product-cta box: the article's dark-blue link color is unreadable on navy - use sky, hover white. Scoped to -body so the white .product-cta-btn is untouched. */
.article .product-cta-body a{color:var(--sky);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px;font-weight:600}
.article .product-cta-body a:hover{color:#fff;text-decoration-thickness:2px}
/* in-article side-by-side CTA button pair (light article bg): filled=primary/paid, outline=secondary/free */
.article .cta-pair{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0}
.article .cta-btn{flex:1 1 240px;display:flex;flex-direction:column;gap:3px;align-items:center;justify-content:center;text-align:center;padding:16px 22px;border-radius:11px;text-decoration:none;line-height:1.3;transition:transform .12s ease,box-shadow .12s ease,background .15s ease,border-color .15s ease}
.article .cta-btn:hover{text-decoration:none}
.article .cta-btn-main{font-weight:700;font-size:16px;letter-spacing:-0.005em}
.article .cta-btn-sub{font-weight:500;font-size:12.5px;opacity:0.82}
.article .cta-btn-primary{background:var(--navy);color:#fff;box-shadow:var(--shadow-sm)}
.article .cta-btn-primary:hover{background:var(--navy-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.article .cta-btn-outline{background:var(--paper);color:var(--navy);border:2px solid var(--navy)}
.article .cta-btn-outline:hover{background:var(--blue-bg);color:var(--navy);transform:translateY(-1px)}
@media(max-width:520px){.article .cta-pair{flex-direction:column}.article .cta-btn{flex:1 1 auto}}
.related{margin:48px 0 0;padding:32px 28px;background:var(--paper-soft);border-radius:var(--radius);border:1px solid var(--line)}
.related-label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:var(--ink-mute);margin-bottom:18px}
.related ul{list-style:none;margin:0;padding:0}
.related li{margin-bottom:12px;padding-left:18px;position:relative;font-size:15px}
.related li::before{content:"→";position:absolute;left:0;color:var(--blue);font-weight:700}
.related a{color:var(--ink);text-decoration:none;font-weight:500}
.related a:hover{color:var(--blue);text-decoration:underline}
.footer{background:var(--navy-deep);color:rgba(255,255,255,0.7);padding:48px 24px;margin-top:64px}
.footer-inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;flex-wrap:wrap;gap:32px;font-size:14px}
.footer a{color:rgba(255,255,255,0.85);text-decoration:none}
.footer a:hover{color:#fff;text-decoration:underline}
.footer-brand{font-weight:700;color:#fff;font-size:16px}
.footer-col{display:flex;flex-direction:column;gap:8px;min-width:140px}
.footer-col a{font-size:13px}
.footer-col-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.1em;color:rgba(255,255,255,0.5);margin-bottom:4px}
.footer-meta{margin-top:6px;font-size:13px;opacity:0.7;max-width:260px;line-height:1.55}
.footer-bottom{margin-top:32px;padding-top:18px;border-top:1px solid rgba(255,255,255,0.12);max-width:1200px;margin-left:auto;margin-right:auto;font-size:12px;color:rgba(255,255,255,0.55);letter-spacing:0.04em}
.footer-social a:hover{text-decoration:none}
@media(max-width:760px){.footer-inner{gap:24px;flex-direction:column}.footer-col{min-width:0}}
@media(max-width:600px){.article{padding:32px 20px 64px}h1{font-size:30px}.lede{font-size:17px}.article h2{font-size:24px;margin:36px 0 14px}.article h3{font-size:18px}.product-cta{padding:22px 20px}.product-cta-title{font-size:19px}.related{padding:24px 20px}}


/* ===== nav-dropdown-v1 ===== */
.nav-right{display:flex;gap:2px;align-items:center;font-size:14px;font-weight:500}
.nav-link{display:inline-flex;align-items:center;gap:6px;padding:10px 14px;color:var(--ink-mute);text-decoration:none;border-radius:8px;transition:color 0.15s,background 0.15s;line-height:1;font-family:'Inter',sans-serif;font-weight:500;white-space:nowrap}
.nav-link:hover{color:var(--navy);background:var(--paper-soft)}
.nav-link.current{color:var(--navy);font-weight:700;background:var(--blue-bg)}
.nav-ribbon{display:inline-flex;align-items:center;font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:9.5px;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;padding:3px 7px;border-radius:999px;background:var(--green-soft,#E6F4EC);color:var(--green,#0F7553);line-height:1}
.nav-ribbon-new{background:var(--blue-bg,#EBF3FF);color:var(--blue,#1F4E79)}
.nav-dropdown{position:relative}
.nav-trigger{display:inline-flex;align-items:center;gap:6px;padding:10px 14px;color:var(--ink-mute);text-decoration:none;border-radius:8px;transition:color 0.15s,background 0.15s;line-height:1;font-family:'Inter',sans-serif;font-weight:500;font-size:14px;white-space:nowrap;background:transparent;border:none;cursor:pointer;-webkit-appearance:none;appearance:none;margin:0}
.nav-trigger:hover,.nav-dropdown:focus-within .nav-trigger{color:var(--navy);background:var(--paper-soft)}
.nav-trigger svg{width:11px;height:11px;transition:transform 0.18s ease}
.nav-dropdown:hover .nav-trigger svg,.nav-dropdown:focus-within .nav-trigger svg{transform:rotate(180deg)}
.nav-menu{position:absolute;top:calc(100% + 6px);right:-8px;width:340px;max-width:calc(100vw - 32px);box-sizing:border-box;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:0 10px 20px rgba(11,31,58,0.06),0 30px 60px rgba(11,31,58,0.08);padding:8px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity 0.18s ease,visibility 0.18s,transform 0.18s ease;z-index:200}
.nav-dropdown:hover .nav-menu,.nav-dropdown:focus-within .nav-menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav-menu .nav-menu-item{display:block;padding:12px 14px;border-radius:10px;text-decoration:none;transition:background 0.12s}
.nav-menu-item:hover{background:var(--paper-soft)}
.nav-menu-item-head{display:flex;align-items:center;gap:8px;color:var(--ink);font-weight:700;font-size:14px;letter-spacing:-0.005em;line-height:1.2}
.nav-menu-item-sub{display:block;font-size:12.5px;color:var(--ink-mute);margin-top:3px;line-height:1.45}
.nav-menu-divider{height:1px;background:var(--line-soft,#EFF2F6);margin:6px 4px}
.nav-menu-foot{padding:10px 14px 6px;font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:0.08em;color:var(--ink-soft,#94A3B8)}
.hamburger{width:36px;height:36px;display:none;align-items:center;justify-content:center;background:var(--paper);border:1px solid var(--line);border-radius:8px;cursor:pointer;padding:0}
.hamburger svg{width:18px;height:18px}
.hamburger svg line{stroke:var(--navy);stroke-width:2;stroke-linecap:round}
@media(max-width:880px){.nav-right{display:none}.hamburger{display:inline-flex}}
.drawer-overlay{position:fixed;inset:0;background:rgba(8,26,51,0.5);opacity:0;visibility:hidden;transition:opacity 0.2s,visibility 0.2s;z-index:150}
.drawer-overlay.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(360px,86vw);background:var(--paper);box-shadow:-12px 0 30px rgba(8,26,51,0.18);transform:translateX(100%);transition:transform 0.25s ease;z-index:160;overflow-y:auto;padding:20px}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.drawer-close{background:transparent;border:none;cursor:pointer;width:32px;height:32px;display:flex;align-items:center;justify-content:center}
.drawer-close svg{width:18px;height:18px}
.drawer-close svg line{stroke:var(--ink);stroke-width:2;stroke-linecap:round}
.drawer-section{margin-top:14px}
.drawer-section h5{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:var(--ink-soft,#94A3B8);margin-bottom:6px;padding:0 8px}
.drawer-link{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px;color:var(--ink);text-decoration:none;border-radius:10px;font-weight:500;font-size:15px}
.drawer-link:hover{background:var(--paper-soft)}
.drawer-link .meta{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:12px;color:var(--ink-mute);font-weight:500}
/* ===== /nav-dropdown-v1 ===== */

/* sitewide-nav-hotfix-04252026 */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,0.92);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1200px;margin:0 auto;padding:14px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.nav-group-label{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:0.14em;color:var(--ink-soft,#94A3B8);padding:0 8px 0 4px;white-space:nowrap}
.nav-divider{display:inline-block;width:1px;height:18px;background:var(--line);margin:0 8px}
.nav-menu-item,.nav-menu-item-head,.nav-menu-item-sub{white-space:normal}
.nav-menu-item-sub{overflow-wrap:break-word;word-wrap:break-word}
.nav-menu-item-head{display:block;line-height:1.25}
.nav-menu-item-head .nav-ribbon{margin-left:8px;vertical-align:1px}

.nav-coming-soon{pointer-events:none;opacity:0.55;cursor:not-allowed}
.nav-coming-soon .nav-ribbon,.nav-coming-soon .meta{opacity:0.85}

/* v2: dashboard login button in nav */
.nav-login{display:inline-flex;align-items:center;padding:8px 14px;margin-left:6px;border:1.5px solid var(--navy);border-radius:8px;color:var(--navy);font-weight:600;font-size:14px;text-decoration:none;transition:all 0.15s}.nav-login:hover{background:var(--navy);color:#fff}