/* Business Chequebook Binder — style.css
   Modern SaaS/clean redesign (v2, 2026-07-17).
   Keeps brand identity (navy + gold) but expresses it through generous
   whitespace, soft tints, rounded cards and subtle elevation instead of
   the boxy WP-magazine layout used in v1. */

:root {
  --color-primary: #1B3A5C;
  --color-primary-dark: #12283F;
  --color-accent: #C9A227;
  --color-bg: #FAFAF8;
  --color-surface: #FFFFFF;
  --color-text: #1E2328;
  --color-text-muted: #5F6B76;
  --color-border: #E6E4DD;

  /* soft tint pairs: background tint + readable text color, per category */
  --tag-buying-bg: #EAF1FB;   --tag-buying-fg: #1D4ED8;
  --tag-comparison-bg: #FCEAEA; --tag-comparison-fg: #B91C1C;
  --tag-technical-bg: #F1EAFB;  --tag-technical-fg: #6D28D9;
  --tag-legal-bg: #E9F8EF;      --tag-legal-fg: #15803D;
  --tag-adjacent-bg: #FDEEE3;   --tag-adjacent-fg: #C2410C;

  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-card: 0 1px 2px rgba(20,20,20,0.04), 0 8px 24px rgba(20,20,20,0.06);
  --shadow-card-hover: 0 4px 10px rgba(20,20,20,0.06), 0 16px 32px rgba(20,20,20,0.10);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.2;
  margin-top: 0;
  letter-spacing: -0.01em;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Navbar ---- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 20px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-primary);
}
.brand .mark {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  display: flex; align-items: center; justify-content: center;
  color: var(--color-accent);
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
}

.nav-links ul {
  list-style: none;
  display: flex;
  gap: 26px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.nav-links a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.92rem;
}
.nav-links a:hover { color: var(--color-primary); text-decoration: none; }

.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 10px 20px;
  border-radius: 999px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-pill:hover { text-decoration: none; box-shadow: 0 6px 16px rgba(27,58,92,0.25); transform: translateY(-1px); }

/* ---- Buttons (general) ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: #1A1A1A;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 13px 26px;
  border-radius: 999px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary:hover { text-decoration: none; transform: translateY(-1px); box-shadow: 0 10px 24px rgba(201,162,39,0.35); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 13px 24px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
}
.btn-ghost:hover { text-decoration: none; border-color: var(--color-primary); }

/* ---- Hero ---- */
.hero-modern {
  position: relative;
  overflow: hidden;
  padding: 92px 0 70px;
  background:
    radial-gradient(650px 320px at 85% -10%, rgba(201,162,39,0.16), transparent),
    radial-gradient(500px 260px at 5% 10%, rgba(27,58,92,0.08), transparent);
}
.hero-inner { max-width: 700px; }
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  background: var(--tag-buying-bg);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero-modern h1 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  margin-bottom: 18px;
}
.hero-modern p.lead {
  font-size: 1.08rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }

.hero-stats {
  display: flex;
  gap: 34px;
  flex-wrap: wrap;
  border-top: 1px solid var(--color-border);
  padding-top: 26px;
}
.hero-stats .stat { font-size: 0.86rem; color: var(--color-text-muted); }
.hero-stats .stat strong { display: block; color: var(--color-primary); font-family: var(--font-heading); font-size: 1.15rem; }

/* ---- Section heading ---- */
.section-heading { max-width: 620px; margin-bottom: 40px; }
.section-heading h2 { font-size: 1.7rem; margin-bottom: 10px; }
.section-heading p { color: var(--color-text-muted); font-size: 0.98rem; margin: 0; }

/* ---- Category cards (replaces old sidebar-based section layout) ---- */
.categories-modern { padding: 70px 0; }
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.category-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.category-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.category-card h3 { font-size: 1.1rem; margin: 14px 0 4px; }

.tag-pill {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 5px 12px;
  border-radius: 999px;
}
.tag-buying { background: var(--tag-buying-bg); color: var(--tag-buying-fg); }
.tag-comparison { background: var(--tag-comparison-bg); color: var(--tag-comparison-fg); }
.tag-technical { background: var(--tag-technical-bg); color: var(--tag-technical-fg); }
.tag-legal { background: var(--tag-legal-bg); color: var(--tag-legal-fg); }
.tag-adjacent { background: var(--tag-adjacent-bg); color: var(--tag-adjacent-fg); }

.category-empty-note {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 10px;
  margin-bottom: 0;
}

.article-grid {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.article-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}
.article-card h4 { font-size: 0.95rem; margin: 0; }

/* ---- Feature strip (About / Start Here / Contact — replaces sidebar widgets) ---- */
.feature-strip { padding: 10px 0 80px; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 26px;
}
.feature-card .icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--tag-legal-bg);
  color: var(--tag-legal-fg);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  font-weight: 700;
}
.feature-card h3 { font-size: 1.02rem; margin-bottom: 8px; }
.feature-card p { color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: 14px; }

/* ---- Static / narrow page body ---- */
.page-hero {
  padding: 60px 0 20px;
}
.page-hero h1 { font-size: 2rem; margin-bottom: 8px; }
.page-hero p { color: var(--color-text-muted); }

.page-body { padding: 20px 0 60px; }
.page-body h2 { font-size: 1.2rem; margin-top: 34px; margin-bottom: 10px; }
.page-body p, .page-body li { color: var(--color-text); font-size: 0.98rem; }
.page-body ul { padding-left: 20px; }

.related-links {
  margin-top: 50px;
  padding: 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.related-links h4 { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 14px; }
.related-links .links-row { display: flex; gap: 14px; flex-wrap: wrap; }
.related-links .links-row a {
  font-size: 0.88rem;
  font-weight: 600;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--color-primary);
}
.related-links .links-row a:hover { text-decoration: none; border-color: var(--color-primary); }

/* ---- Article pages (site/articles/*.html) ---- */
.post-main { padding: 20px 0 60px; }
.post-main h2 { font-size: 1.3rem; margin-top: 40px; margin-bottom: 10px; }
.post-main h3 { font-size: 1.02rem; margin-top: 26px; margin-bottom: 8px; }
.post-main p, .post-main li { color: var(--color-text); font-size: 0.98rem; }
.post-main ul, .post-main ol { padding-left: 20px; }
.post-main li { margin-bottom: 8px; }

.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.84rem;
  color: var(--color-text-muted);
  margin-bottom: 18px;
}

.post-figure {
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  text-align: center;
  margin: 28px 0;
}
.post-figure .figure-art {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.post-figure figcaption { font-size: 0.82rem; color: var(--color-text-muted); margin: 0; }

.data-table-wrap { overflow-x: auto; margin: 22px 0; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.data-table th, .data-table td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}
.data-table th {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--color-primary);
  background: var(--color-bg);
}
.data-table tr:last-child td { border-bottom: none; }

.cta-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  margin: 32px 0;
}
.cta-box h4 { font-size: 1rem; margin-bottom: 6px; }
.cta-box p { color: var(--color-text-muted); font-size: 0.92rem; margin-bottom: 14px; }

.sources-list { font-size: 0.86rem; }
.sources-list li { margin-bottom: 8px; word-break: break-word; }

.contact-form label { display: block; font-weight: 600; margin: 16px 0 6px; font-size: 0.88rem; }
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--color-surface);
}
.contact-form textarea { min-height: 140px; }
.contact-form button { border: none; cursor: pointer; }

.notice-box {
  background: #FFF8E8;
  border: 1px solid #F0DFA8;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: 0.92rem;
  margin: 22px 0;
}

.error-404 {
  text-align: center;
  padding: 90px 0;
}
.error-404 .code {
  font-family: var(--font-heading);
  font-size: 5.5rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 800;
  margin-bottom: 4px;
}

/* ---- Footer ---- */
.site-footer {
  background: var(--color-primary-dark);
  color: #B9C4CE;
  padding: 60px 0 26px;
  margin-top: 20px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 36px;
}
@media (max-width: 780px) {
  .footer-top { grid-template-columns: repeat(2, 1fr); }
}
.footer-brand .brand { color: #fff; margin-bottom: 10px; }
.footer-brand .brand .mark { background: rgba(255,255,255,0.1); color: var(--color-accent); }
.footer-brand p { font-size: 0.86rem; color: #9BA9B5; max-width: 260px; }
.footer-col h4 {
  color: #fff;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; font-size: 0.88rem; }
.footer-col a { color: #B9C4CE; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.10);
  padding-top: 20px;
  font-size: 0.8rem;
  color: #8695A2;
  text-align: center;
}

/* ---- Responsive nav collapse (basic) ---- */
@media (max-width: 720px) {
  .nav-links ul { gap: 14px; }
  .hero-modern { padding: 60px 0 44px; }
}