/* ===========================================================================
   ArticleGrade — shared core design system (base + nav + footer + hero + prose).
   New content pages link this + /ag-enhance.css + /ag.js. Matches the brand of
   the hand-built pages (homepage/pricing/etc.).
   =========================================================================== */
:root{
  --paper:#faf8f4;--cream:#f5f2ec;--ink:#0f0d0b;--body:#46403a;--ghost:#8d847b;
  --accent:#c8321a;--accent-d:#a8290f;--gold:#a87c2e;--pine:#2a6048;--sky:#1a4a6e;
  --fog:#e6e1d8;--fog2:#d9d3c8;--card:#ffffff;
  --serif:'Newsreader',Georgia,serif;--sans:'IBM Plex Sans',system-ui,sans-serif;--mono:'IBM Plex Mono',ui-monospace,monospace;--wrap:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--paper);font-family:var(--sans);color:var(--body);-webkit-font-smoothing:antialiased;line-height:1.5}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
a{color:inherit;text-decoration:none}::selection{background:#f3d3cb;color:var(--accent)}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);font-weight:800;line-height:1.05;letter-spacing:-.02em}
.acc{color:var(--accent)}.pine{color:var(--pine)}.gold{color:var(--gold)}em{font-style:italic;font-weight:600}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ghost)}
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--sans);font-weight:500;font-size:15px;padding:13px 22px;border-radius:8px;cursor:pointer;border:1px solid transparent;transition:.18s;white-space:nowrap}
.btn-p{background:var(--accent);color:#fff}.btn-p:hover{background:var(--accent-d);transform:translateY(-1px)}
.btn-g{background:transparent;color:var(--ink);border-color:var(--fog2)}.btn-g:hover{border-color:var(--ink);background:var(--ink);color:var(--paper)}
.btn-d{background:#fff;color:var(--ink)}.btn-d:hover{transform:translateY(-1px)}
.rv{opacity:0;transform:translateY(16px);transition:opacity .7s cubic-bezier(.2,.6,.2,1),transform .7s cubic-bezier(.2,.6,.2,1)}.rv.in{opacity:1;transform:none}

/* nav */
header{position:fixed;top:0;left:0;right:0;z-index:100;transition:.25s}
header.scrolled{background:rgba(250,248,244,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--fog)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{font-family:var(--serif);font-weight:800;font-size:23px;color:var(--ink);letter-spacing:-.02em}.brand b{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:30px}.nav-links a{font-size:14.5px;color:var(--body);font-weight:500}.nav-links a:hover{color:var(--ink)}.nav-links a.on{color:var(--accent)}
.nav-cta{display:flex;align-items:center;gap:14px}.nav-cta .signin{font-size:14.5px;font-weight:500;color:var(--body)}
.nav-cta .cta-sm{display:none}
@media(max-width:860px){.nav-links{display:none}.nav-cta .signin{display:none}}

/* hero (centered) */
.ph{padding:128px 0 20px;background-image:radial-gradient(var(--fog) 0.6px,transparent 0.6px);background-size:26px 26px}
.ph.center{text-align:center}
.seclabel{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}
h1.ph-h{font-size:clamp(34px,4.6vw,56px);font-weight:900;max-width:780px}
.ph.center h1.ph-h{margin:0 auto}
.ph-sub{font-size:clamp(16px,1.5vw,19px);color:var(--body);max-width:620px;margin-top:20px;line-height:1.55}
.ph.center .ph-sub{margin:20px auto 0}
.updated{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--ghost);margin-top:18px}

/* bands + section heads */
.band{padding:74px 0}.band.cream{background:var(--cream)}
.band.alt{background:var(--ink);background-image:radial-gradient(#26221d 0.6px,transparent 0.6px);background-size:26px 26px}
h2.sec{font-size:clamp(26px,3.2vw,42px);font-weight:900;max-width:780px}.alt h2.sec,.alt h3{color:#fff}
.lead{font-size:clamp(16px,1.5vw,18px);color:var(--body);max-width:700px;margin-top:18px;line-height:1.55}.alt .lead{color:#bcb3a8}

/* long-form prose (legal/policy) */
.prose{max-width:760px;padding:40px 0 20px}
.prose h2{font-size:clamp(20px,2.2vw,27px);font-weight:800;margin:42px 0 12px}
.prose h2:first-child{margin-top:0}
.prose h3{font-family:var(--serif);font-size:18px;font-weight:700;margin:26px 0 8px}
.prose p{font-size:15px;color:var(--body);line-height:1.7;margin-bottom:14px}
.prose ul{list-style:none;margin:0 0 16px;display:flex;flex-direction:column;gap:10px}
.prose li{position:relative;padding-left:24px;font-size:15px;color:var(--body);line-height:1.6}
.prose li::before{content:"";position:absolute;left:0;top:.6em;width:7px;height:7px;border-radius:50%;background:var(--pine)}
.prose a{color:var(--accent);border-bottom:1px solid #eccabf}
.prose .note{font-size:13.5px;color:var(--ghost);font-style:italic;background:var(--cream);border:1px solid var(--fog);border-radius:9px;padding:16px 18px;line-height:1.6;margin-bottom:24px}
.prose strong{color:var(--ink);font-weight:600}

/* footer (ag-enhance.css upgrades this to the premium dark version) */
footer{background:var(--ink);color:#bcb3a8;padding:56px 0 40px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot-brand .b{font-family:var(--serif);font-weight:800;font-size:24px;color:#fff}.foot-brand .b b{color:var(--accent)}
.foot-brand p{font-size:13.5px;color:#8a8278;margin-top:14px;max-width:280px;line-height:1.55}
.fcol h4{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:#8a8278;margin-bottom:16px}
.fcol a{display:block;font-size:14px;color:#cfc7bc;margin-bottom:11px}.fcol a:hover{color:#fff}
.foot-bot{display:flex;justify-content:space-between;align-items:center;margin-top:44px;padding-top:24px;border-top:1px solid #2a2520;font-size:12.5px;color:#8a8278;flex-wrap:wrap;gap:12px}

/* final CTA */
.cta-final{text-align:center;padding:84px 0}
.cta-final h2{font-size:clamp(28px,3.8vw,48px);max-width:740px;margin:0 auto}
.cta-final .lead{margin:18px auto 0;text-align:center}
.cta-final .row{display:flex;gap:14px;justify-content:center;margin-top:30px;flex-wrap:wrap}

@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:480px){
  .nav{height:60px}.brand{font-size:20px}
  .nav-cta .btn-p{padding:10px 15px;font-size:13.5px}
  .nav-cta .cta-lg{display:none}.nav-cta .cta-sm{display:inline}
  .ph{padding-top:104px}
  .wrap{padding:0 20px}
}