/* Bid Reasoner — shared stylesheet for SEO money pages + /demo.
   Mirrors the homepage design tokens so new pages are on-brand without
   duplicating the homepage's full inline <style> block. */

:root {
  --ink: #0B0F1A;
  --ink-2: #1F2937;
  --muted: #64748B;
  --muted-2: #94A3B8;
  --line: #E5E7EB;
  --line-2: #F1F5F9;
  --bg: #FFFFFF;
  --bg-soft: #FAFAFA;
  --bg-tint: #F8FAFC;
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --accent-soft: #FEF3C7;
  --ok: #10B981;
  --ok-soft: #ECFDF5;
  --risk: #DC2626;
  --risk-soft: #FEF2F2;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 40px -12px rgba(15, 23, 42, 0.12), 0 8px 16px -8px rgba(15, 23, 42, 0.08);
}

* { 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);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 56px; }
@media (max-width: 900px) { .container { padding: 0 40px; } }
@media (max-width: 600px) { .container { padding: 0 28px; } }
@media (max-width: 380px) { .container { padding: 0 20px; } }

/* ===== Nav ===== */
nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line-2);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; letter-spacing: -0.01em; }
.logo-mark {
  width: 28px; height: 28px; border-radius: 7px;
  background: var(--ink); color: var(--accent);
  display: grid; place-items: center; font-weight: 800; font-size: 14px; letter-spacing: -0.02em;
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a.link { color: var(--muted); font-size: 14px; font-weight: 500; transition: color 0.15s; }
.nav-links a.link:hover { color: var(--ink); }
@media (max-width: 820px) { .nav-links a.link { display: none; } .nav-links { gap: 10px; } }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; min-height: 44px; border-radius: var(--radius);
  font-weight: 600; font-size: 14px; letter-spacing: -0.005em; cursor: pointer;
  border: 1px solid transparent; transition: all 0.15s ease; white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #000; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-accent { background: var(--accent); color: var(--ink); }
.btn-accent:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--bg-soft); }
.btn-lg { padding: 13px 24px; min-height: 50px; font-size: 15px; }

/* ===== Breadcrumb ===== */
.breadcrumb { padding: 18px 0 0; font-size: 13px; color: var(--muted-2); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span.sep { margin: 0 8px; color: var(--line); }

/* ===== Page hero (money pages) ===== */
header.page-hero {
  padding: 56px 0 64px;
  background:
    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(245, 158, 11, 0.08), transparent 70%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-tint) 100%);
  border-bottom: 1px solid var(--line-2);
}
.page-hero .kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent-dark); background: var(--accent-soft);
  padding: 6px 12px; border-radius: 100px; margin-bottom: 22px;
}
.page-hero h1 {
  font-size: clamp(32px, 5vw, 50px); line-height: 1.08; font-weight: 800;
  letter-spacing: -0.03em; max-width: 880px; margin-bottom: 20px;
}
.page-hero h1 .accent { color: var(--accent-dark); }
.page-hero .lede { font-size: 19px; color: var(--muted); max-width: 680px; margin-bottom: 28px; line-height: 1.55; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.cta-note { font-size: 13px; color: var(--muted); margin-top: 14px; display: flex; align-items: center; gap: 7px; }

/* ===== Sections ===== */
section { padding: 80px 0; border-bottom: 1px solid var(--line-2); }
section:last-of-type { border-bottom: none; }
@media (max-width: 820px) { section { padding: 60px 0; } header.page-hero { padding: 40px 0 48px; } }
@media (max-width: 520px) { section { padding: 52px 0; } }
section.soft { background: var(--bg-soft); }
.section-kicker { font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent-dark); margin-bottom: 12px; }
h2 { font-size: clamp(26px, 3.4vw, 38px); line-height: 1.15; font-weight: 700; letter-spacing: -0.025em; max-width: 760px; margin-bottom: 16px; }
.section-sub { font-size: 17px; color: var(--muted); max-width: 660px; margin-bottom: 40px; line-height: 1.55; }
h3 { letter-spacing: -0.015em; }

/* ===== Prose blocks ===== */
.prose { max-width: 720px; }
.prose p { font-size: 16px; color: var(--ink-2); line-height: 1.65; margin-bottom: 16px; }
.prose p.muted { color: var(--muted); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose code { background: var(--bg-soft); padding: 1px 6px; border-radius: 4px; font-family: 'SF Mono', Menlo, monospace; font-size: 13px; color: var(--ink-2); }

/* ===== Feature / step grids ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
@media (max-width: 1000px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 820px) { .grid-3 { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .grid-4 { grid-template-columns: 1fr; } }
.card { padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.card.tint { background: var(--bg-soft); }
.card .icon-box {
  width: 40px; height: 40px; border-radius: 10px; background: var(--accent-soft);
  color: var(--accent-dark); display: grid; place-items: center; margin-bottom: 16px;
}
.card h3 { font-size: 17px; font-weight: 600; margin-bottom: 7px; }
.card p { font-size: 14.5px; color: var(--muted); line-height: 1.55; }
.card .stat-number { font-size: 40px; font-weight: 800; letter-spacing: -0.03em; line-height: 1; margin-bottom: 10px; }
.card .stat-number .unit { color: var(--muted); font-size: 18px; font-weight: 600; margin-left: 3px; }

/* numbered steps */
.step-num {
  display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 8px;
  background: var(--ink); color: var(--accent); font-weight: 700; font-size: 14px; margin-bottom: 16px;
}

/* ===== Comparison table ===== */
.compare-table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; font-size: 14.5px; }
.compare-table th, .compare-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line-2); }
.compare-table thead th { background: var(--bg-soft); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); font-weight: 600; }
.compare-table thead th.us { color: var(--accent-dark); }
.compare-table td.us { font-weight: 600; color: var(--ink); background: rgba(245,158,11,0.04); }
.compare-table tr:last-child td { border-bottom: none; }
.compare-wrap { overflow-x: auto; }

/* ===== FAQ accordion ===== */
.faq { max-width: 800px; }
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary {
  list-style: none; cursor: pointer; padding: 18px 0; font-size: 16.5px; font-weight: 600;
  color: var(--ink); display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent-dark); font-weight: 700; font-size: 22px; line-height: 1; transition: transform 0.2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { font-size: 15px; color: var(--muted); line-height: 1.65; padding: 0 0 20px; max-width: 720px; }

/* ===== CTA band (dark) ===== */
.cta-band { background: var(--ink); color: #fff; text-align: center; }
.cta-band h2 { color: #fff; margin: 0 auto 14px; }
.cta-band p { color: rgba(255,255,255,0.7); max-width: 560px; margin: 0 auto 28px; font-size: 17px; }
.cta-band .cta-row { justify-content: center; }
.cta-band .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.25); }
.cta-band .btn-ghost:hover { background: rgba(255,255,255,0.08); }
.cta-band .fine { color: rgba(255,255,255,0.5); font-size: 13px; margin-top: 18px; }
.cta-band .fine a { color: rgba(255,255,255,0.8); text-decoration: underline; }

/* ===== Inline lead-magnet strip ===== */
.magnet-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.magnet {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; font-size: 13.5px; font-weight: 500;
  border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink-2); background: #fff; transition: all 0.15s;
}
.magnet:hover { border-color: var(--accent); color: var(--ink); }
.magnet svg { color: var(--accent-dark); }

/* ===== Demo form ===== */
.demo-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
@media (max-width: 880px) { .demo-grid { grid-template-columns: 1fr; gap: 32px; } }
.demo-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow); }
.demo-form label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.demo-form .field { margin-bottom: 18px; }
.demo-form input, .demo-form select {
  width: 100%; padding: 11px 13px; font-size: 15px; font-family: inherit; color: var(--ink);
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff; min-height: 44px;
}
.demo-form input:focus, .demo-form select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(245,158,11,0.18); }
.demo-form .btn { width: 100%; }
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 12px; display: flex; align-items: center; gap: 7px; justify-content: center; }
.success-msg { display: none; padding: 16px 18px; border-radius: var(--radius); background: var(--ok-soft); color: var(--ok); border: 1px solid rgba(16,185,129,0.3); font-size: 14px; }
.success-msg.show { display: block; }
.demo-points { list-style: none; }
.demo-points li { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line-2); font-size: 15px; color: var(--ink-2); }
.demo-points li:last-child { border-bottom: none; }
.demo-points li svg { flex-shrink: 0; color: var(--ok); margin-top: 2px; }

/* ===== Footer (hub) ===== */
footer { background: #fff; padding: 56px 0 40px; border-top: 1px solid var(--line-2); }
.footer-cols { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 32px; margin-bottom: 36px; }
@media (max-width: 900px) { .footer-cols { grid-template-columns: 1fr 1fr; gap: 28px; } }
@media (max-width: 520px) { .footer-cols { grid-template-columns: 1fr; } }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; margin-bottom: 12px; }
.footer-brand .logo-mark { width: 24px; height: 24px; font-size: 12px; }
.footer-blurb { font-size: 13.5px; color: var(--muted); line-height: 1.6; max-width: 280px; }
.footer-col h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted-2); margin-bottom: 14px; font-weight: 700; }
.footer-col a { display: block; font-size: 14px; color: var(--muted); margin-bottom: 10px; transition: color 0.15s; }
.footer-col a:hover { color: var(--ink); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 24px; border-top: 1px solid var(--line-2); font-size: 13px; color: var(--muted-2); }

/* ===== Misc ===== */
.pill-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.pill { font-size: 13px; font-weight: 500; color: var(--ink-2); background: var(--bg-soft); border: 1px solid var(--line); border-radius: 100px; padding: 7px 14px; }
.callout { border-left: 3px solid var(--accent); background: var(--accent-soft); padding: 16px 20px; border-radius: 0 var(--radius) var(--radius) 0; font-size: 14.5px; color: var(--ink-2); margin: 8px 0; }
.callout strong { color: var(--ink); }
@media (prefers-reduced-motion: no-preference) {
  .card { transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease; }
  .card:hover { transform: translateY(-2px); border-color: rgba(245,158,11,0.4); box-shadow: 0 10px 24px -16px rgba(15,23,42,0.18); }
}

/* ===== Article (blog / glossary) ===== */
.article-wrap { max-width: 740px; margin: 0 auto; }
.article-hero { padding: 48px 0 28px; }
.article-cat { font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-dark); margin-bottom: 14px; }
.article-hero h1 { font-size: clamp(30px, 4.2vw, 44px); line-height: 1.12; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 16px; }
.article-meta { font-size: 13.5px; color: var(--muted-2); display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.article-meta .dot-sep { width: 3px; height: 3px; border-radius: 50%; background: var(--line); display: inline-block; }
.article-lede { font-size: 19px; color: var(--muted); line-height: 1.55; margin: 18px 0 0; }
.article-body { font-size: 17px; line-height: 1.7; color: var(--ink-2); padding: 8px 0 16px; }
.article-body > p { margin: 0 0 20px; }
.article-body h2 { font-size: 25px; font-weight: 700; letter-spacing: -0.02em; color: var(--ink); margin: 38px 0 14px; }
.article-body h3 { font-size: 19px; font-weight: 600; color: var(--ink); margin: 28px 0 10px; }
.article-body ul, .article-body ol { margin: 0 0 20px; padding-left: 22px; }
.article-body li { margin: 0 0 9px; }
.article-body a { color: var(--accent-dark); font-weight: 500; text-decoration: underline; text-underline-offset: 2px; }
.article-body a:hover { color: var(--ink); }
.article-body strong { color: var(--ink); font-weight: 600; }
.article-body code { background: var(--bg-soft); padding: 1px 6px; border-radius: 4px; font-family: 'SF Mono', Menlo, monospace; font-size: 14px; color: var(--ink-2); }
.article-body blockquote { margin: 24px 0; padding: 4px 0 4px 22px; border-left: 3px solid var(--accent); color: var(--ink); font-size: 19px; font-weight: 500; line-height: 1.5; }
.article-body table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 8px 0 24px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.article-body th, .article-body td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line-2); }
.article-body thead th { background: var(--bg-soft); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.cta-inline { background: var(--bg-soft); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: var(--radius); padding: 22px 24px; margin: 30px 0; }
.cta-inline p { font-size: 16px; color: var(--ink-2); margin: 0 0 14px; }
.cta-inline strong { color: var(--ink); }
.article-cta-row { display: flex; gap: 10px; flex-wrap: wrap; }
.related { margin-top: 8px; padding-top: 28px; border-top: 1px solid var(--line); }
.related h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted-2); margin-bottom: 14px; }
.related a { display: block; font-size: 15px; color: var(--accent-dark); font-weight: 500; margin-bottom: 9px; }
.related a:hover { color: var(--ink); }

/* ===== Blog / glossary index ===== */
.index-hero { padding: 52px 0 8px; }
.index-hero h1 { font-size: clamp(30px, 4.4vw, 46px); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 14px; }
.index-hero p { font-size: 18px; color: var(--muted); max-width: 640px; }
.blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
@media (max-width: 760px) { .blog-grid { grid-template-columns: 1fr; } }
.blog-card { display: block; padding: 26px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease; }
.blog-card:hover { transform: translateY(-2px); border-color: rgba(245,158,11,0.4); box-shadow: 0 10px 24px -16px rgba(15,23,42,0.18); }
.blog-card .cat { font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-dark); }
.blog-card h2 { font-size: 20px; font-weight: 700; letter-spacing: -0.015em; margin: 10px 0 8px; max-width: none; }
.blog-card p { font-size: 14.5px; color: var(--muted); line-height: 1.55; }
.glossary-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (max-width: 680px) { .glossary-list { grid-template-columns: 1fr; } }
.glossary-list a { display: block; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: border-color 0.15s; }
.glossary-list a:hover { border-color: var(--accent); }
.glossary-list a strong { display: block; font-size: 15px; color: var(--ink); font-weight: 600; margin-bottom: 3px; }
.glossary-list a span { font-size: 13px; color: var(--muted); }