/* iBuildPro Academy — shared editorial stylesheet.
   Brand tokens mirror the live app (src/index.css :root):
   white background, ink foreground, profit-green accent, Manrope + Inter. */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

*{box-sizing:border-box;margin:0;padding:0}

:root{
  --ink:#0c1526;              /* hsl(220 49% 8%) */
  --ink-soft:#3a4557;         /* hsl(214 20% 24%) */
  --muted:#5d6773;            /* hsl(214 12% 40%) */
  --border:#e7ecef;           /* hsl(200 16% 92%) */
  --surface:#f4f7f8;          /* hsl(200 24% 96%) */
  --bg:#ffffff;
  --accent:#0e9f6a;           /* hsl(160 84% 34%) */
  --accent-dark:#0b8358;
  --accent-soft:#e3f7ee;      /* hsl(160 52% 93%) */
  --radius:0.625rem;
  --radius-sm:0.4rem;
  --max-prose:760px;
  --max-page:1080px;
}

html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,'Segoe UI',Helvetica,Arial,sans-serif;
  font-size:17px;line-height:1.65;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Manrope','Inter',sans-serif;font-weight:800;letter-spacing:-0.01em;color:var(--ink)}
a{color:var(--accent-dark);text-decoration-thickness:1px;text-underline-offset:2px}
a:hover{color:var(--accent)}
strong{font-weight:700}
img{max-width:100%;display:block}

.container{max-width:var(--max-page);margin:0 auto;padding:0 24px}
.prose{max-width:var(--max-prose);margin:0 auto;padding:0 24px}

/* TOPBAR */
.topbar{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--border);
  height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--ink);text-decoration:none;font-family:'Manrope',sans-serif}
.brand-logo{height:26px;width:auto;display:block;flex-shrink:0}
.brand-word{white-space:nowrap}
.brand-word .accent{color:var(--accent)}

/* BUTTONS */
.cta{
  display:inline-block;background:var(--accent);color:#fff;border-radius:var(--radius-sm);
  padding:12px 24px;font-size:14px;font-weight:700;text-decoration:none;letter-spacing:.01em;
  border:none;cursor:pointer;font-family:'Inter',sans-serif;
}
.cta:hover{background:var(--accent-dark);color:#fff}
.cta.lg{padding:16px 32px;font-size:15px}
.cta.sm{padding:9px 18px;font-size:13px}

/* BREADCRUMB */
.breadcrumb{
  max-width:var(--max-prose);margin:0 auto;padding:22px 24px 0;
  font-size:13px;color:var(--muted);
}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--accent-dark);text-decoration:underline}
.breadcrumb .sep{margin:0 6px;color:var(--border)}

/* ARTICLE HEADER */
.article-header{max-width:var(--max-prose);margin:0 auto;padding:14px 24px 0}
.article-header h1{font-size:36px;line-height:1.2;margin-bottom:14px}
.updated-badge{
  display:inline-flex;align-items:center;gap:6px;background:var(--accent-soft);
  color:var(--accent-dark);border-radius:999px;padding:5px 12px;font-size:12.5px;
  font-weight:700;font-family:'Inter',sans-serif;margin-bottom:6px;
}
.byline{font-size:13px;color:var(--muted);margin-top:8px}

/* LEAD ANSWER BLOCK — answer-first, visually distinct */
.lead-answer{
  max-width:var(--max-prose);margin:26px auto 0;padding:22px 24px;
  background:var(--surface);border-left:4px solid var(--accent);
  border-radius:var(--radius-sm);
}
.lead-answer .kicker{
  display:block;font-size:11.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  color:var(--accent-dark);margin-bottom:8px;font-family:'Manrope',sans-serif;
}
.lead-answer p{font-size:18.5px;line-height:1.6;color:var(--ink);font-weight:500;margin:0}

/* PROSE BODY */
.article-body{max-width:var(--max-prose);margin:0 auto;padding:34px 24px 8px}
.article-body h2{font-size:25px;margin:38px 0 14px;line-height:1.3}
.article-body h3{font-size:19px;margin:26px 0 10px;line-height:1.35}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 16px 22px}
.article-body li{margin-bottom:8px}
.article-body blockquote{
  border-left:3px solid var(--accent);margin:20px 0;padding:4px 0 4px 18px;
  color:var(--ink-soft);font-style:italic;
}
.article-body code{
  background:var(--surface);padding:2px 6px;border-radius:4px;font-size:.9em;
  font-family:ui-monospace,'SF Mono',Menlo,monospace;
}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.article-body th,.article-body td{text-align:left;padding:10px 14px;border:1px solid var(--border);vertical-align:top}
.article-body thead th{background:var(--surface);font-size:12.5px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
.article-body hr{border:none;border-top:1px solid var(--border);margin:32px 0}

/* FAQ */
.faq-section{max-width:var(--max-prose);margin:0 auto;padding:12px 24px 8px}
.faq-section h2{font-size:23px;margin-bottom:16px}
.faq-item{border-bottom:1px solid var(--border);padding:18px 0}
.faq-item:last-child{border-bottom:none}
.faq-item h3{font-size:16.5px;font-weight:700;margin:0 0 8px}
.faq-item p{margin:0;color:var(--ink-soft);font-size:15.5px;line-height:1.6}

/* SOURCES */
.sources-section{max-width:var(--max-prose);margin:0 auto;padding:12px 24px 8px}
.sources-section h2{font-size:20px;margin-bottom:12px}
.sources-section ol{margin:0 0 0 20px}
.sources-section li{margin-bottom:8px;font-size:14.5px;color:var(--muted)}
.sources-section a{word-break:break-word}

/* PRODUCT-PROOF BLOCK */
.proof-block{
  max-width:var(--max-prose);margin:30px auto 0;padding:28px;
  background:var(--ink);color:#fff;border-radius:var(--radius);
}
.proof-block h2{color:#fff;font-size:21px;margin-bottom:10px}
.proof-block p{color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.6;margin-bottom:18px}
.proof-block .cta{background:var(--accent)}
.proof-block .cta:hover{background:var(--accent-dark)}

/* DISCLAIMER */
.disclaimer{
  max-width:var(--max-prose);margin:26px auto 0;padding:16px 24px;
  font-size:13px;line-height:1.6;color:var(--muted);border-top:1px solid var(--border);
}

/* CTA BAND (hub/tool pages) */
.cta-band{background:var(--ink);padding:64px 24px;text-align:center;margin-top:10px}
.cta-band h2{font-size:27px;color:#fff;margin-bottom:22px;line-height:1.3}
.cta-band .offer{font-size:13px;color:rgba(255,255,255,.55);margin-top:16px}

/* CARD GRID (hub) */
.hub-hero{padding:56px 24px 10px;text-align:center}
.hub-hero h1{font-size:38px;margin-bottom:16px}
.hub-hero .intro{max-width:640px;margin:0 auto;color:var(--muted);font-size:17px;line-height:1.6}
.hub-section{max-width:1080px;margin:0 auto;padding:40px 24px 8px}
.hub-section h2{font-size:22px;margin-bottom:6px}
.hub-section .vertical-label{font-size:14px;color:var(--muted);margin-bottom:18px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:6px}
.card{
  display:block;background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 24px;text-decoration:none;color:var(--ink);
  box-shadow:0 1px 2px rgba(12,21,38,.04),0 10px 24px rgba(12,21,38,.05);
  transition:border-color .15s ease,transform .15s ease;
}
.card:hover{border-color:var(--accent);transform:translateY(-1px)}
.card .card-eyebrow{font-size:11.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--accent-dark);margin-bottom:8px}
.card h3{margin:0 0 8px;font-size:17px;color:var(--ink);font-weight:700}
.card p{margin:0;font-size:14px;color:var(--muted);line-height:1.55}
.card .card-updated{margin-top:12px;font-size:12px;color:var(--muted)}

/* FOOTER */
footer{background:#0a0f1a;padding:34px 24px;text-align:center;margin-top:20px}
.footer-brand{font-size:14px;color:rgba(255,255,255,.6);font-style:italic;margin-bottom:6px}
.footer-url{font-size:13.5px;color:var(--accent);font-weight:600;text-decoration:none}
.footer-links{margin-top:12px;font-size:13px}
.footer-links a{color:rgba(255,255,255,.55);margin:0 8px;text-decoration:none}
.footer-links a:hover{color:#fff}

/* RESPONSIVE */
@media(max-width:640px){
  .article-header h1{font-size:28px}
  .lead-answer p{font-size:17px}
  .hub-hero h1{font-size:30px}
  .brand-word{display:none}
}

/* PRINT */
@media print{
  .topbar,.cta-band,footer,.proof-block .cta{display:none}
  body{font-size:12pt}
  a{color:var(--ink);text-decoration:underline}
}