/* ============================================================
   Shopper Bonus Guide — design system v5
   Independent Instacart Shopper referral guide (code BEAN85579C)
   Original palette (deliberately NOT Instacart's brand colors).
   ============================================================ */
:root{
  --bg:#FBF8F1; --surface:#FFFFFF; --surface-2:#F6F1E7;
  --ink:#16241E; --muted:#566259; --faint:#8A968C;
  --border:#E7E0D2; --line:#EFE9DC;
  --brand:#0F7A5A;         /* deep green */
  --brand-dark:#0A5B43;
  --brand-soft:#E4F1EB;
  --accent:#A8481A;        /* warm coral/orange for CTAs */
  --accent-dark:#8F3D14;
  --accent-soft:#FDEBDD;
  --mark:#DCEF7E;          /* highlighter lime-green accent */
  --dark:#0C2A20;          /* dark green for code/graphite panels */
  --dark-2:#123A2C;
  --ok:#1E874B; --warn:#B4690E;
  --shadow-sm:0 1px 2px rgba(20,40,30,.05);
  --shadow:0 6px 20px rgba(20,40,30,.09),0 1px 3px rgba(20,40,30,.06);
  --shadow-lg:0 24px 60px rgba(20,40,30,.18);
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --wrap:1120px; --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
/* NOTE: do NOT lock scroll with overflow:hidden on html/body. It un-sticks position:sticky,
   which threw the sticky header and its absolute dropdown off-screen when the menu was opened
   after scrolling. The dropdown stays anchored to the sticky header in every scroll state on
   its own, so no scroll lock is needed. */
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.container{max-width:var(--wrap);margin:0 auto;padding:0 20px}
a{color:var(--brand-dark);text-underline-offset:3px}
:where(a,button,input,summary):focus-visible{outline:3px solid var(--accent);outline-offset:3px}
img{max-width:100%;height:auto}
h1,h2,h3{font-family:var(--sans);font-weight:800;line-height:1.08;letter-spacing:-.021em;color:var(--ink)}
h1{font-size:clamp(34px,6.4vw,58px);text-wrap:balance;margin:0 0 14px}
h2{font-size:clamp(25px,4vw,36px);text-wrap:balance;margin:0 0 14px}
h3{font-size:20px;margin:0 0 8px;letter-spacing:-.01em}
p{margin:0 0 16px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- promo strip ---------- */
.promo-strip{background:var(--dark);color:#fff;font-size:14px}
.promo-strip .container{display:flex;gap:14px;align-items:center;justify-content:center;
  flex-wrap:wrap;padding:9px 20px;text-align:center}
.promo-strip strong{font-weight:800;color:var(--mark)}
.country-flag{margin-right:4px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(251,248,241,.93);backdrop-filter:saturate(1.4) blur(12px);
  border-bottom:1px solid var(--line);box-shadow:0 6px 20px -14px rgba(12,42,32,.28)}
@supports not (backdrop-filter:blur(1px)){.site-header{background:rgba(251,248,241,.985)}}
.site-header .container{display:flex;align-items:center;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:700;
  font-size:19px;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.brand .logo{width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;
  background:var(--brand);color:#fff;border-radius:10px;font-family:var(--sans);font-weight:800;box-shadow:0 2px 8px rgba(15,122,90,.35)}
.primary-nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.primary-nav a{color:var(--muted);text-decoration:none;font-size:15px;font-weight:600;
  padding:8px 12px;border-radius:9px}
.primary-nav a:hover{color:var(--ink);background:var(--surface-2)}
.nav-code{display:inline-flex;align-items:center;gap:7px;background:var(--accent);color:#fff!important;
  font-weight:800;padding:9px 14px;border-radius:10px;border:0;cursor:pointer;font-family:var(--mono);font-size:14px}
.nav-code:hover{background:var(--accent-dark)}
.copy-icon{font-family:var(--sans)}
.menu-toggle{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--border);
  background:var(--surface);border-radius:11px;cursor:pointer;align-items:center;justify-content:center}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--ink);position:relative;transition:.18s}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);transition:.18s}
.menu-toggle span::before{top:-6px}.menu-toggle span::after{top:6px}
.menu-toggle[aria-expanded="true"] span{background:transparent}
.menu-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.menu-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* ---------- hero ---------- */
.hero{padding:64px 0 46px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;z-index:0;top:-160px;right:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(15,122,90,.14),rgba(15,122,90,0) 70%);pointer-events:none}
.hero::after{content:"";position:absolute;z-index:0;bottom:-120px;left:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(168,72,26,.10),rgba(15,122,90,0) 70%);pointer-events:none}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero-grid>*{min-width:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;
  letter-spacing:.06em;text-transform:uppercase;color:var(--brand-dark);
  background:var(--brand-soft);padding:6px 13px;border-radius:999px;margin-bottom:18px}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand)}
.hero h1{letter-spacing:-.028em}
.hero h1 .hl{display:inline-block;font-family:var(--mono);font-weight:800;font-size:.86em;letter-spacing:1px;
  background:var(--mark);color:var(--brand-dark);padding:.02em .22em;border-radius:10px;
  box-shadow:0 2px 0 rgba(12,42,32,.12);transform:rotate(-.6deg)}
.hero-sub{font-size:19px;color:var(--muted);max-width:36ch;margin-bottom:22px}
.hero-checks{display:flex;flex-direction:column;gap:9px;margin:0 0 24px;padding:0;list-style:none}
.hero-checks li{display:flex;align-items:flex-start;gap:10px;font-size:15.5px;color:var(--ink)}
.hero-checks .tick{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--brand-soft);
  color:var(--brand-dark);display:grid;place-items:center;font-size:13px;font-weight:800;margin-top:1px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.button{display:inline-flex;align-items:center;gap:9px;background:var(--accent);color:#fff;
  text-decoration:none;font-weight:800;font-size:16px;padding:14px 22px;border-radius:12px;border:0;
  cursor:pointer;box-shadow:0 8px 20px rgba(168,72,26,.28);transition:transform .12s,background .12s,box-shadow .12s}
.button:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(168,72,26,.34)}
.button.ghost{background:var(--surface);color:var(--ink);border:1px solid var(--border);box-shadow:none}
.button.ghost:hover{background:var(--surface-2);box-shadow:none}
.code-copy{font-family:var(--mono)}

/* quick-answer / code card — dark, striking */
.answer-card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-lg)}
.answer-card::before{content:"$";position:absolute;top:-16px;right:-14px;width:44px;height:44px;border-radius:50%;
  background:var(--mark);color:var(--brand-dark);display:grid;place-items:center;font-weight:800;font-size:20px;
  box-shadow:var(--shadow);transform:rotate(8deg)}
.answer-card .label{font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.code-big{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:10px 0 6px;
  background:var(--dark);border:0;border-radius:13px;padding:15px 16px;color:#EAF7F0;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
.code-big b{font-family:var(--mono);font-size:26px;font-weight:800;letter-spacing:1.5px;color:var(--mark)}
.code-big button{background:var(--mark);color:var(--dark);border:0;border-radius:9px;padding:9px 14px;
  font-weight:800;cursor:pointer;font-size:14px;font-family:var(--sans)}
.code-big button:hover{filter:brightness(1.05)}
/* inline code chip (used inside sentences) — light, not the dark block */
.code-big[data-copy-code]{display:inline;background:var(--mark);color:var(--brand-dark);font-family:var(--mono);
  font-weight:800;letter-spacing:.5px;font-size:.95em;padding:.06em .4em;border-radius:7px;box-shadow:none}
.answer-card p{font-size:14.5px;color:var(--muted);margin:12px 0 0}
.mini-stats{display:flex;gap:8px;margin-top:16px}
.mini-stats div{flex:1;background:var(--surface-2);border-radius:10px;padding:10px;text-align:center}
.mini-stats b{display:block;font-weight:800;font-size:20px;color:var(--brand-dark)}
.mini-stats span{font-size:11.5px;color:var(--muted)}

/* ---------- TL;DR answer-first ---------- */
.tldr{background:var(--brand-soft);border-left:4px solid var(--brand);border-radius:12px;
  padding:20px 24px;margin:28px 0;font-size:16px}
.tldr strong{color:var(--brand-dark)}

/* ---------- stats bar ---------- */
.statbar{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.statbar::before{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 12% 20%,rgba(220,239,126,.10),transparent 40%),
  radial-gradient(circle at 85% 90%,rgba(220,239,126,.08),transparent 45%)}
.statbar .container{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:34px 20px;text-align:center}
.statbar b{display:block;font-weight:800;font-size:clamp(24px,3vw,32px);color:var(--mark);letter-spacing:-.01em}
.statbar span{font-size:13px;color:rgba(255,255,255,.82)}

/* ---------- sections ---------- */
section{padding:56px 0}
section[id]{scroll-margin-top:80px}
.tint{background:linear-gradient(180deg,rgba(228,241,235,.6),rgba(228,241,235,.18))}
.section-head{max-width:62ch;margin-bottom:30px}
.section-head .kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:800;
  letter-spacing:.06em;text-transform:uppercase;color:var(--brand-dark);margin-bottom:10px}
.section-head .kicker::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--accent)}
.lead{font-size:18px;color:var(--muted)}

/* steps */
.steps,.steps ol{list-style:none;counter-reset:s;margin:0;padding:0;display:grid;gap:18px}
.steps li{counter-increment:s;position:relative;display:block;min-height:82px;
  background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px 20px 18px 82px;box-shadow:var(--shadow-sm);
  transition:box-shadow .15s,transform .15s}
.steps li:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.steps li::before{content:counter(s);position:absolute;left:20px;top:18px;width:44px;height:44px;border-radius:50%;
  background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800;font-size:19px;
  box-shadow:0 4px 12px rgba(15,122,90,.3)}
.steps h3{margin:2px 0 5px}
.steps p{margin:0;color:var(--muted);font-size:15.5px}

/* cards grid */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:24px;
  box-shadow:var(--shadow-sm);transition:box-shadow .15s,transform .15s,border-color .15s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:color-mix(in srgb,var(--brand) 30%,var(--border))}
.card .kicker{font-size:12px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--accent);margin:0 0 6px}
.card h3{color:var(--brand-dark)}
.card p{color:var(--muted);font-size:15px;margin:0}
.card a.card-link{display:inline-block;margin-top:12px;font-weight:800;text-decoration:none;color:var(--brand-dark)}
.card a.card-link:hover{text-decoration:underline}

/* checklist */
.check-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.check-list li{display:flow-root;font-size:16px}
.check-list .tick{float:left;width:22px;height:22px;border-radius:50%;background:var(--brand-soft);
  color:var(--brand-dark);display:grid;place-items:center;font-size:13px;font-weight:800;margin:2px 10px 0 0}
.check-list li:not(:has(>.tick))::before{content:"•";float:left;width:22px;margin-right:10px;text-align:center;
  color:var(--brand-dark);font-weight:800}

/* table */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-sm)}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:15px;background:var(--surface)}
th,td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--dark);color:#fff;font-size:12.5px;text-transform:uppercase;letter-spacing:.04em;font-weight:800}
tbody th[scope=row]{background:var(--surface-2);font-weight:800;color:var(--ink);font-size:14.5px;text-transform:none;letter-spacing:0}
th{font-size:13px;font-weight:800;color:var(--muted)}
tr:last-child td,tr:last-child th{border-bottom:0}
tbody tr:hover td{background:color-mix(in srgb,var(--brand-soft) 40%,transparent)}

/* FAQ */
.faq-list{display:grid;gap:12px}
.faq-list details{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:2px 18px;
  box-shadow:var(--shadow-sm);transition:border-color .15s,box-shadow .15s}
.faq-list details[open]{border-color:color-mix(in srgb,var(--brand) 45%,var(--border));box-shadow:var(--shadow)}
.faq-list summary{cursor:pointer;font-weight:700;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--brand-soft);
  color:var(--brand-dark);display:grid;place-items:center;font-size:19px;font-weight:600;line-height:1}
.faq-list details[open] summary::after{content:"−";background:var(--brand);color:#fff}
.faq-list details p{margin:0 0 16px;color:var(--muted);font-size:15.5px}

/* callout */
.callout{background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 30%,var(--border));
  border-left:4px solid var(--accent);border-radius:14px;padding:22px 24px;display:flow-root}
.callout .ic{float:left;font-size:22px;margin:0 14px 8px 0}
.callout p{margin:0;font-size:15.5px}
.callout h3{margin:0 0 8px}

/* disclosure */
.disclosure{background:var(--surface-2);border:1px solid var(--border);border-radius:12px;
  padding:16px 18px;font-size:13.5px;color:var(--muted);margin:28px 0}

/* CTA band */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--brand),var(--dark-2));color:#fff;
  border-radius:20px;padding:44px;text-align:center;margin:20px 0;box-shadow:var(--shadow-lg)}
.cta-band::before{content:"";position:absolute;top:-80px;right:-60px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(220,239,126,.18),transparent 70%)}
.cta-band>*{position:relative}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.92);max-width:52ch;margin:0 auto 22px}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#fff;margin-top:40px;padding:46px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.site-footer .brand{color:#fff}
.site-footer .brand .logo{background:var(--mark);color:var(--dark)}
.site-footer p{color:rgba(255,255,255,.72)}
.footer-grid h4,.footer-grid .foot-head{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--mark);margin:0 0 12px;font-weight:800}
.footer-grid a{display:block;color:rgba(255,255,255,.78);text-decoration:none;font-size:14.5px;padding:4px 0}
.footer-grid a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:28px;padding-top:20px;font-size:13px;color:rgba(255,255,255,.66)}

/* mobile bar */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:120;display:none;gap:10px;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--border);padding:10px 14px;box-shadow:0 -6px 24px rgba(0,0,0,.1)}
.mobile-bar .button{flex:1;justify-content:center;padding:13px}
.mobile-bar-close{flex:0 0 42px;width:42px;border:1px solid var(--border);background:var(--surface-2);
  border-radius:10px;font-size:20px;cursor:pointer;color:var(--muted)}

/* toast */
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);z-index:200;
  background:var(--ink);color:var(--bg);padding:12px 20px;border-radius:12px;font-weight:600;font-size:14px;
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;box-shadow:var(--shadow-lg)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* inline copy code (JS-generated in body copy) */
.inline-code-copy{font-family:var(--mono);font-size:inherit;line-height:1.2;vertical-align:baseline;white-space:nowrap;
  font-weight:800;color:var(--brand-dark);background:var(--mark);
  border:0;border-radius:6px;padding:0 5px;cursor:pointer}
.copy-success{outline:2px solid var(--ok);outline-offset:1px}

/* breadcrumb */
.crumb{font-size:13.5px;color:var(--muted);padding:16px 0 0}
.crumb a{color:var(--muted);text-decoration:none}
.crumb a:hover{color:var(--brand-dark)}

/* prose (content / blog articles) */
.prose{max-width:72ch;font-size:17px;line-height:1.62}
.prose>p:first-of-type{font-size:19px;color:var(--ink)}
.prose h2{margin-top:40px;font-size:clamp(23px,3.4vw,30px)}
.prose h3{margin-top:28px;font-size:20px}
.prose ul,.prose ol{padding-left:4px;list-style:none}
.prose ul li{position:relative;margin:9px 0;padding-left:26px}
.prose ul li::before{content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--brand)}
.prose ol{counter-reset:p}
.prose ol li{counter-increment:p;position:relative;margin:9px 0;padding-left:30px}
.prose ol li::before{content:counter(p);position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:800;display:grid;place-items:center}
.prose a{color:var(--brand-dark);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--brand) 45%,transparent);text-decoration-thickness:1.5px}
.prose a:hover{text-decoration-color:var(--brand)}
.prose strong{color:var(--ink)}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .primary-nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;
    background:var(--surface);border-bottom:1px solid var(--border);padding:14px 20px;
    visibility:hidden;opacity:0;transform:translateY(-8px);transition:.18s;box-shadow:var(--shadow-lg);
    max-height:calc(100dvh - 64px);overflow:auto;margin-left:0}
  .primary-nav.open{visibility:visible;opacity:1;transform:none}
  .primary-nav a{padding:12px 10px;font-size:16px;border-radius:10px}
  .primary-nav a:hover{background:var(--surface-2)}
  .menu-toggle{display:flex}
  /* mobile: backdrop-filter is unreliable, so keep the sticky header near-solid and lifted */
  .site-header{background:rgba(251,248,241,.975);box-shadow:0 8px 22px -14px rgba(12,42,32,.34)}
  .promo-strip{font-size:12.5px}
  .promo-strip .container{padding:8px 16px;gap:8px}
}
@media (max-width:860px){
  .hero{padding:38px 0 30px}
  section{padding:42px 0}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .statbar .container{grid-template-columns:repeat(2,1fr);gap:18px 12px}
  .mobile-bar{display:flex}
  body{padding-bottom:70px}
  .answer-card::before{right:10px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .statbar .container{grid-template-columns:1fr 1fr}
  .cta-band{padding:28px 20px}
  .prose{font-size:17px}
}
@media (max-width:360px){
  .site-header .container{gap:8px;padding:0 12px}
  .brand{font-size:17px;gap:8px}
  .brand .logo{width:32px;height:32px;flex-basis:32px}
  .menu-toggle{width:40px;height:40px}
  .mobile-bar{gap:6px;padding:8px}
  .mobile-bar .button{padding:10px 8px;font-size:14px}
  .mobile-bar>[data-copy-code]{min-width:0;max-width:125px;overflow:hidden}
  .mobile-bar-close{flex-basis:36px;width:36px}
}

/* referral code mockup graphic */
.code-mockup{margin:28px auto;text-align:center;max-width:440px}
.code-mockup svg{width:100%;max-width:300px;height:auto;filter:drop-shadow(0 16px 38px rgba(20,40,30,.13))}
.code-mockup figcaption{font-size:12.5px;color:var(--muted);max-width:48ch;margin:14px auto 0;line-height:1.55}


/* ===== article layout (doc pages) : centered column, banner, TOC, highlighted headings ===== */
body.doc main .container{max-width:740px}
body.doc .prose{max-width:none}
body.doc main h2[id]{scroll-margin-top:84px}
body.doc .prose h2{background:linear-gradient(90deg,var(--brand-soft),rgba(228,241,235,0) 82%);border-left:4px solid var(--brand);padding:9px 0 9px 16px;border-radius:0 10px 10px 0}
.article-hero{margin:0 0 24px}
.article-hero-card{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--brand),var(--dark-2));color:#fff;border-radius:18px;padding:28px 32px;box-shadow:var(--shadow-lg);min-height:148px;display:flex;flex-direction:column;justify-content:center}
.article-hero-card::before{content:"";position:absolute;top:-70px;right:-50px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(220,239,126,.16),transparent 70%)}
.ah-eyebrow{font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--mark);position:relative}
.ah-title{font-size:clamp(20px,3vw,26px);font-weight:800;line-height:1.16;margin:9px 0 8px;max-width:23ch;position:relative}
.ah-tag{font-size:13.5px;color:rgba(255,255,255,.82);position:relative;max-width:36ch}
.ah-deco{position:absolute;right:16px;bottom:-4px;width:126px;height:126px;opacity:.95;pointer-events:none}
.article-hero figcaption{text-align:center;font-size:12px;color:var(--muted);margin-top:11px}
.toc-box{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px 22px;margin:0 0 30px;box-shadow:var(--shadow-sm)}
.toc-h{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--brand-dark);margin:0 0 12px;display:flex;align-items:center;gap:8px}
.toc-box ol{list-style:none;margin:0;padding:0;counter-reset:toc;columns:2;column-gap:30px}
.toc-box li{counter-increment:toc;margin:0 0 8px;break-inside:avoid}
.toc-box a{color:var(--ink);text-decoration:none;font-size:14.5px;display:flex;gap:9px;align-items:baseline;line-height:1.4}
.toc-box a::before{content:counter(toc);color:var(--brand);font-weight:800;font-size:12px;min-width:14px}
.toc-box a:hover{color:var(--brand-dark);text-decoration:underline}
@media(max-width:600px){.toc-box ol{columns:1}.ah-deco{opacity:.5}}


/* consistent vertical rhythm so boxes never touch the next heading */
.callout,.table-wrap,.steps,.check-list{margin:24px 0}
.section-head + .callout,.section-head + .table-wrap,.section-head + .check-list,.section-head + .steps{margin-top:0}
/* floating dismissible disclaimer (independent-guide reminder) */
/* headings separate from the content/cards above them */
.container > .section-head:not(:first-child){margin-top:46px}
/* expandable floating disclaimer */
.float-disclaimer{position:fixed;left:18px;bottom:18px;z-index:115;max-width:344px;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:12px 14px;box-shadow:var(--shadow-lg);
  color:var(--muted);line-height:1.45}
.float-disclaimer strong{color:var(--ink)}
.fd-row{display:flex;align-items:center;gap:8px}
.fd-lead{margin:0;flex:1;font-size:13px}
.fd-toggle,.fd-close{flex:0 0 26px;width:26px;height:26px;border:1px solid var(--border);background:var(--surface-2);border-radius:8px;
  cursor:pointer;font-size:16px;color:var(--muted);line-height:1;display:grid;place-items:center;padding:0}
.fd-toggle:hover,.fd-close:hover{background:var(--border);color:var(--ink)}
.fd-body{margin-top:10px;padding-top:11px;border-top:1px solid var(--line);font-size:12.5px}
.fd-body p{margin:0 0 9px}
.fd-body a{color:var(--brand-dark);font-weight:700;text-decoration:none}
.fd-body a:hover{text-decoration:underline}
@media(max-width:860px){.float-disclaimer{left:12px;right:12px;bottom:80px;max-width:none}}


/* robust vertical spacing: every content heading breathes above; contexts that self-space are reset */
main h2{margin-top:44px}
main h3{margin-top:26px}
.section-head h2,.cta-band h2,.article-hero-card h2,.steps h3,.card h3{margin-top:0}
.grid{margin-bottom:6px}

/* about-page author intro: compact horizontal card, bio flows full-width below.
   (a two-column card+text grid left an ugly empty void under the short card on wide
   screens, so the avatar+name sit in a small strip and the bio reads full-width) */
.author-lead{display:flex;align-items:center;gap:18px;margin:6px 0 22px;padding:16px 20px;background:var(--surface-2);border:1px solid var(--border);border-radius:16px}
.author-lead img{width:88px;height:88px;border-radius:50%;flex:0 0 88px;border:2px solid var(--surface)}
.author-lead-meta strong{display:block;font-size:18px;color:var(--ink);line-height:1.2}
.author-lead-meta span{display:block;margin-top:3px;font-size:14px;color:var(--muted)}
@media (max-width:520px){.author-lead{flex-direction:column;text-align:center;gap:12px}}

/* article author box (E-E-A-T byline with portrait) */
.author-box{display:flex;gap:16px;align-items:center;margin:40px 0 6px;padding:20px 22px;background:var(--surface-2);border:1px solid var(--border);border-radius:16px}
.author-box img{width:66px;height:66px;border-radius:50%;flex:0 0 66px;border:2px solid var(--surface)}
.author-box .ab-name{font-weight:800;color:var(--ink);margin:0 0 3px;font-size:15px}
.author-box .ab-name a{color:var(--ink)}
.author-box .ab-bio{margin:0;font-size:13.5px;color:var(--muted);line-height:1.55}
.author-box a{color:var(--brand-dark);font-weight:700;text-decoration:none}
.author-box a:hover{text-decoration:underline}
@media (max-width:520px){.author-box{flex-direction:column;text-align:center}}

@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}