/* MerchantKits Blog — self-contained styles (matches merchantkits.com design) */

:root {
  --navy: #0f172a;
  --navy-700: #334155;
  --blue: #3b82f6;
  --cta-blue: #2563eb;
  --cta-blue-dark: #1d4ed8;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --green: #16a34a;
  --content-width: 720px;
  --wrap: 1152px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--navy);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
}

a { color: var(--cta-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

.mkblog-wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1.5rem; }

/* ---------- Header / Nav ---------- */
.mkblog-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--slate-100);
}
.mkblog-nav__inner {
  max-width: var(--wrap); margin: 0 auto; padding: 0 1.5rem;
  height: 64px; display: flex; align-items: center; justify-content: space-between;
}
.mkblog-brand { display: flex; align-items: center; gap: 0.625rem; }
.mkblog-brand span { font-size: 1.25rem; font-weight: 700; color: var(--navy); letter-spacing: -0.01em; }
.mkblog-brand:hover { text-decoration: none; }
.mkblog-nav__links { display: flex; align-items: center; gap: 1.75rem; }
.mkblog-nav__links a { font-size: 0.875rem; font-weight: 500; color: var(--slate-600); }
.mkblog-nav__links a:hover { color: var(--navy); text-decoration: none; }
.mkblog-nav__links a.is-active { color: var(--navy); }
@media (max-width: 720px) {
  .mkblog-nav__links { gap: 1rem; }
  .mkblog-nav__links a.hide-sm { display: none; }
}

/* ---------- Footer ---------- */
.mkblog-footer { background: var(--navy); color: #fff; margin-top: 4rem; }
.mkblog-footer__top {
  max-width: var(--wrap); margin: 0 auto; padding: 3.5rem 1.5rem;
  display: flex; flex-direction: column; gap: 2rem; justify-content: space-between;
}
@media (min-width: 768px) { .mkblog-footer__top { flex-direction: row; } }
.mkblog-footer__brand { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.5rem; }
.mkblog-footer p { color: var(--slate-400); font-size: 0.875rem; margin: 0; }
.mkblog-footer__links { display: flex; flex-direction: column; gap: 0.75rem; font-size: 0.875rem; }
.mkblog-footer__links a { color: var(--slate-400); }
.mkblog-footer__links a:hover { color: #fff; text-decoration: none; }
.mkblog-footer__bottom { border-top: 1px solid rgba(255,255,255,0.1); }
.mkblog-footer__bottom div { max-width: var(--wrap); margin: 0 auto; padding: 1rem 1.5rem; font-size: 0.75rem; color: var(--slate-500); }

/* ---------- Breadcrumb ---------- */
.mkblog-breadcrumb { font-size: 0.8125rem; color: var(--slate-500); padding: 1.25rem 0 0; }
.mkblog-breadcrumb a { color: var(--slate-500); }
.mkblog-breadcrumb a:hover { color: var(--cta-blue); }
.mkblog-breadcrumb span { color: var(--slate-400); margin: 0 0.4rem; }

/* ---------- Category pills ---------- */
.mkblog-pill {
  display: inline-block; font-size: 0.75rem; font-weight: 600;
  padding: 0.25rem 0.75rem; border-radius: 999px; letter-spacing: 0.02em;
}
.mkblog-pill--esign { background: #dbeafe; color: #1e40af; }
.mkblog-pill--hr { background: #dcfce7; color: #166534; }
.mkblog-pill--sb { background: #fef3c7; color: #92400e; }
.mkblog-pill--wp { background: #ede9fe; color: #5b21b6; }

/* ---------- Article layout ---------- */
.mkblog-article { padding-bottom: 2rem; }
.mkblog-article__header { max-width: var(--content-width); margin: 1.5rem auto 0; padding: 0 1.5rem; }
.mkblog-article__header h1 {
  font-size: 2.25rem; line-height: 1.15; font-weight: 800; letter-spacing: -0.02em;
  color: var(--navy); margin: 1rem 0 0.75rem;
}
@media (max-width: 720px) { .mkblog-article__header h1 { font-size: 1.75rem; } }
.mkblog-meta { font-size: 0.875rem; color: var(--slate-500); }

.mkblog-layout {
  max-width: var(--wrap); margin: 2rem auto 0; padding: 0 1.5rem;
  display: grid; grid-template-columns: 1fr; gap: 2.5rem;
}
@media (min-width: 1000px) {
  .mkblog-layout { grid-template-columns: 240px minmax(0, var(--content-width)); justify-content: center; }
}

/* ---------- Table of contents ---------- */
.mkblog-toc { font-size: 0.875rem; }
.mkblog-toc__title { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--slate-500); font-weight: 700; margin-bottom: 0.75rem; }
.mkblog-toc ol { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--slate-200); }
.mkblog-toc li { margin: 0; }
.mkblog-toc a { display: block; color: var(--slate-600); padding: 0.35rem 0 0.35rem 1rem; margin-left: -2px; border-left: 2px solid transparent; }
.mkblog-toc a:hover { color: var(--cta-blue); text-decoration: none; }
.mkblog-toc a.is-active { color: var(--cta-blue); border-left-color: var(--cta-blue); font-weight: 600; }
@media (min-width: 1000px) {
  .mkblog-toc { position: sticky; top: 88px; align-self: start; max-height: calc(100vh - 110px); overflow-y: auto; }
}
@media (max-width: 999px) {
  .mkblog-toc { background: var(--slate-50); border: 1px solid var(--slate-200); border-radius: 12px; padding: 1rem 1.25rem; }
  .mkblog-toc details summary { cursor: pointer; font-weight: 600; color: var(--navy); }
  .mkblog-toc ol { margin-top: 0.75rem; }
}

/* ---------- Prose ---------- */
.mkblog-body { font-size: 1.125rem; color: #1e293b; }
.mkblog-body > *:first-child { margin-top: 0; }
.mkblog-body p { margin: 0 0 1.25rem; }
.mkblog-body h2 {
  font-size: 1.6rem; font-weight: 700; color: var(--navy); letter-spacing: -0.01em;
  margin: 2.75rem 0 1rem; scroll-margin-top: 84px; line-height: 1.25;
}
.mkblog-body h3 {
  font-size: 1.25rem; font-weight: 700; color: var(--navy);
  margin: 2rem 0 0.75rem; scroll-margin-top: 84px;
}
.mkblog-body ul, .mkblog-body ol { margin: 0 0 1.25rem; padding-left: 1.4rem; }
.mkblog-body li { margin: 0.4rem 0; }
.mkblog-body strong { color: var(--navy); }
.mkblog-body a { color: var(--cta-blue); font-weight: 500; }
.mkblog-body blockquote {
  margin: 1.5rem 0; padding: 0.5rem 1.25rem; border-left: 4px solid var(--slate-200);
  color: var(--slate-600); font-style: italic;
}
.mkblog-body figure { margin: 1.75rem 0; }
.mkblog-body figure img { border-radius: 12px; border: 1px solid var(--slate-200); width: 100%; }
.mkblog-body figcaption { font-size: 0.8125rem; color: var(--slate-500); text-align: center; margin-top: 0.5rem; }

/* ---------- Callout boxes ---------- */
.mkblog-callout {
  margin: 1.75rem 0; padding: 1.1rem 1.25rem; border-radius: 12px;
  background: var(--slate-50); border: 1px solid var(--slate-200); font-size: 1rem;
}
.mkblog-callout--tip { background: #f0fdf4; border-color: #bbf7d0; }
.mkblog-callout--key { background: #eff6ff; border-color: #bfdbfe; }
.mkblog-callout strong { display: block; margin-bottom: 0.25rem; }
.mkblog-callout p:last-child { margin-bottom: 0; }

/* ---------- Code ---------- */
.mkblog-body pre {
  background: #0f172a; color: #e2e8f0; border-radius: 10px; padding: 1rem 1.25rem;
  overflow-x: auto; font-size: 0.9rem; line-height: 1.6; margin: 1.25rem 0;
}
.mkblog-body pre code { font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace; }
.mkblog-body :not(pre) > code {
  background: var(--slate-100); color: #be123c; padding: 0.15em 0.4em; border-radius: 5px;
  font-size: 0.9em; font-family: 'SFMono-Regular', Consolas, monospace;
}

/* ---------- Comparison tables ---------- */
.mkblog-table-wrap { overflow-x: auto; margin: 1.5rem 0; }
.mkblog-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; min-width: 560px; }
.mkblog-table th, .mkblog-table td { text-align: left; padding: 0.7rem 0.9rem; border: 1px solid var(--slate-200); }
.mkblog-table thead th { background: var(--slate-50); font-weight: 700; color: var(--navy); }
.mkblog-table tr.is-featured td { background: #eff6ff; font-weight: 500; }
.mkblog-table td:first-child { font-weight: 600; }

/* ---------- CTA box ---------- */
.mkblog-cta-box {
  display: flex; gap: 1rem; margin: 2.25rem 0; padding: 1.5rem;
  background: #f0f7ff; border: 1px solid #dbeafe; border-left: 4px solid var(--cta-blue);
  border-radius: 12px; box-shadow: 0 1px 3px rgba(15,23,42,0.06);
}
.mkblog-cta-icon { font-size: 1.75rem; line-height: 1; flex-shrink: 0; }
.mkblog-cta-content h3 { margin: 0 0 0.4rem; font-size: 1.15rem; color: var(--navy); }
.mkblog-cta-content p { margin: 0 0 0.75rem; font-size: 0.95rem; color: var(--slate-600); }
.mkblog-cta-content ul { margin: 0 0 1rem; padding-left: 1.1rem; font-size: 0.9rem; color: var(--slate-600); }
.mkblog-cta-content li { margin: 0.2rem 0; }
.mkblog-cta-button {
  display: inline-block; background: var(--cta-blue); color: #fff !important; font-weight: 700;
  font-size: 0.95rem; padding: 0.7rem 1.25rem; border-radius: 10px; transition: background 0.15s;
}
.mkblog-cta-button:hover { background: var(--cta-blue-dark); text-decoration: none; }

/* ---------- Related articles ---------- */
.mkblog-related { max-width: var(--wrap); margin: 3rem auto 0; padding: 2.5rem 1.5rem 0; border-top: 1px solid var(--slate-200); }
.mkblog-related h2 { font-size: 1.4rem; color: var(--navy); margin: 0 0 1.5rem; }
.mkblog-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 700px) { .mkblog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .mkblog-related .mkblog-grid { grid-template-columns: repeat(3, 1fr); } }

/* ---------- Article cards ---------- */
.mkblog-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--slate-200);
  border-radius: 14px; overflow: hidden; transition: transform 0.15s, box-shadow 0.15s;
}
.mkblog-card:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(15,23,42,0.08); text-decoration: none; }
.mkblog-card__thumb { aspect-ratio: 16 / 9; background: linear-gradient(135deg, #1e293b, #3b82f6); display: flex; align-items: center; justify-content: center; }
.mkblog-card__thumb span { font-size: 2rem; }
.mkblog-card__body { padding: 1.1rem 1.25rem 1.35rem; display: flex; flex-direction: column; gap: 0.6rem; flex: 1; }
.mkblog-card__title { font-size: 1.1rem; font-weight: 700; color: var(--navy); line-height: 1.3; margin: 0; }
.mkblog-card__excerpt {
  font-size: 0.9rem; color: var(--slate-500); margin: 0; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.mkblog-card__meta { font-size: 0.78rem; color: var(--slate-400); }

/* ---------- Listing hero + filters ---------- */
.mkblog-hero { background: var(--navy); color: #fff; padding: 4rem 1.5rem 3.5rem; text-align: center; }
.mkblog-hero h1 { font-size: 2.5rem; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 0.75rem; }
.mkblog-hero p { color: var(--slate-400); font-size: 1.1rem; max-width: 560px; margin: 0 auto; }
@media (max-width: 720px) { .mkblog-hero h1 { font-size: 1.9rem; } }

.mkblog-filters { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; margin: 2rem 0 2.5rem; }
.mkblog-filter {
  border: 1px solid var(--slate-200); background: #fff; color: var(--slate-600);
  font-size: 0.875rem; font-weight: 500; padding: 0.45rem 1rem; border-radius: 999px; cursor: pointer;
  transition: all 0.15s;
}
.mkblog-filter:hover { border-color: var(--blue); color: var(--navy); }
.mkblog-filter.is-active { background: var(--navy); color: #fff; border-color: var(--navy); }

.mkblog-listing { max-width: 960px; margin: 0 auto 2rem; padding: 2.5rem 1.5rem 0; }
.mkblog-listing .mkblog-grid { grid-template-columns: 1fr; }
@media (min-width: 700px) { .mkblog-listing .mkblog-grid { grid-template-columns: repeat(2, 1fr); } }
.mkblog-card.is-hidden { display: none; }