/* =============================================
   VISAFIR BLOG — COMMON STYLES
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300;1,9..40,400&display=swap');

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

:root {
  --ink:          #0d0d0d;
  --ink-muted:    #6b6b6b;
  --ink-faint:    #b3afa8;
  --surface:      #f7f5f2;
  --white:        #ffffff;
  --accent:       #1a3a8f;
  --accent-warm:  #c8502a;
  --border:       #e4e0da;
  --tag-bg:       #edeae5;
  --serif:        'DM Serif Display', Georgia, serif;
  --sans:         'DM Sans', system-ui, sans-serif;
  --max-w:        1200px;
  --content-w:    720px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--surface);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ─────────────────────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 242, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
}
.nav-logo {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  background: var(--ink) !important;
  color: var(--white) !important;
  padding: 0.42rem 1.1rem;
  border-radius: 4px;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--accent) !important; }

/* ── ARTICLE HERO ────────────────────────── */
.article-hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 5.5rem) clamp(1.5rem, 5vw, 4rem) 0;
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 5rem;
  align-items: start;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.4rem;
}
.breadcrumb a {
  color: var(--ink-faint);
  text-decoration: none;
  transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--ink-muted); }
.breadcrumb-sep { font-size: 0.65rem; }

.article-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.28rem 0.8rem;
  border-radius: 3px;
  margin-bottom: 1.1rem;
  color: #fff;
}

.article-hero h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
  max-width: 660px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.78rem;
  color: var(--ink-muted);
  margin-bottom: 0;
}
.article-meta-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.article-meta-dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--ink-faint);
}

/* Sidebar sticky card */
.hero-sidebar { padding-top: 0.5rem; }
.sidebar-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  position: sticky;
  top: 82px;
}
.sidebar-card h3 {
  font-family: var(--serif);
  font-size: 1rem;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}
.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.toc-list a {
  font-size: 0.8rem;
  color: var(--ink-muted);
  text-decoration: none;
  display: block;
  padding: 0.3rem 0.5rem;
  border-radius: 4px;
  border-left: 2px solid transparent;
  transition: all 0.18s;
  line-height: 1.4;
}
.toc-list a:hover,
.toc-list a.active {
  color: var(--ink);
  background: var(--tag-bg);
  border-left-color: var(--accent);
}
.toc-num {
  font-size: 0.65rem;
  color: var(--ink-faint);
  margin-right: 0.3rem;
}

.sidebar-cta {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.sidebar-cta p {
  font-size: 0.78rem;
  color: var(--ink-muted);
  margin-bottom: 0.75rem;
  line-height: 1.5;
}
.btn-primary {
  display: block;
  width: 100%;
  background: var(--ink);
  color: var(--white);
  text-align: center;
  padding: 0.7rem 1rem;
  border-radius: 5px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--accent); }

/* ── DIVIDER LINE ────────────────────────── */
.hero-rule {
  max-width: var(--max-w);
  margin: 2.5rem auto 0;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
}
.hero-rule hr {
  border: none;
  border-top: 1px solid var(--border);
}

/* ── ARTICLE BODY ────────────────────────── */
.article-layout {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4rem) clamp(1.5rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 5rem;
  align-items: start;
}

.article-body { max-width: var(--content-w); }

/* Intro lead */
.article-intro {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--ink-muted);
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
  font-weight: 300;
}

/* Headings */
.article-body h2 {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 2.8rem 0 1rem;
  color: var(--ink);
}
.article-body h3 {
  font-family: var(--serif);
  font-size: 1.15rem;
  line-height: 1.3;
  margin: 2rem 0 0.7rem;
  color: var(--ink);
}
.article-body h4 {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 1.8rem 0 0.6rem;
}

/* Paragraphs */
.article-body p {
  margin-bottom: 1.3rem;
  font-size: 0.97rem;
  color: #2a2a2a;
}

/* Checklist / UL */
.article-body ul,
.article-body ol {
  margin: 0.5rem 0 1.5rem 0;
  padding-left: 0;
  list-style: none;
}
.article-body ul li,
.article-body ol li {
  font-size: 0.93rem;
  color: #2a2a2a;
  padding: 0.35rem 0 0.35rem 1.6rem;
  position: relative;
  line-height: 1.6;
}
.article-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.72rem;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.article-body ol { counter-reset: item; }
.article-body ol li { counter-increment: item; }
.article-body ol li::before {
  content: counter(item);
  position: absolute;
  left: 0;
  top: 0.3rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: var(--tag-bg);
  width: 18px; height: 18px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Checklist block */
.checklist-block {
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
  padding: 1.4rem 1.6rem;
  margin: 1.5rem 0 2rem;
}
.checklist-block h3 {
  font-family: var(--serif);
  font-size: 1rem;
  margin: 0 0 0.9rem;
  color: var(--ink);
}
.checklist-block ul { margin: 0; }
.checklist-block ul li { font-size: 0.88rem; }
.checklist-block ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0.3rem;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  background: none;
  width: auto; height: auto;
  border-radius: 0;
}

/* Pro tip callout */
.callout {
  background: var(--tag-bg);
  border-radius: 6px;
  padding: 1.1rem 1.4rem;
  margin: 1.2rem 0 1.8rem;
  font-size: 0.87rem;
  color: var(--ink-muted);
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  line-height: 1.6;
}
.callout-icon {
  font-size: 0.95rem;
  flex-shrink: 0;
  margin-top: 0.05rem;
}
.callout strong { color: var(--ink); }

/* Warning callout */
.callout-warn {
  background: #fff7f4;
  border: 1px solid #f5d0c0;
  border-radius: 6px;
  padding: 1.1rem 1.4rem;
  margin: 1.2rem 0 1.8rem;
  font-size: 0.87rem;
  color: #7a3820;
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  line-height: 1.6;
}

/* Table */
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0 2rem;
  font-size: 0.86rem;
}
.article-body th {
  background: var(--ink);
  color: var(--white);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.7rem 1rem;
  text-align: left;
}
.article-body td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  color: #2a2a2a;
  vertical-align: top;
}
.article-body tr:last-child td { border-bottom: none; }
.article-body tr:nth-child(even) td { background: var(--white); }

/* FAQ section */
.faq-section { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--border); }
.faq-section h2 {
  font-family: var(--serif);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}
.faq-item { margin-bottom: 0; border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 1rem 0;
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color 0.2s;
}
.faq-q:hover { color: var(--accent); }
.faq-icon {
  font-size: 1.1rem;
  color: var(--ink-faint);
  transition: transform 0.25s;
  flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--accent); }
.faq-a {
  font-size: 0.88rem;
  color: var(--ink-muted);
  line-height: 1.7;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.25s;
  padding: 0;
}
.faq-item.open .faq-a { max-height: 300px; padding-bottom: 1rem; }

/* ── ARTICLE SIDEBAR (sticky, same col as hero) */
.article-sidebar { position: sticky; top: 82px; }

/* Visafir CTA block */
.visafir-cta-block {
  background: var(--ink);
  color: var(--white);
  border-radius: 8px;
  padding: 1.8rem;
  margin-bottom: 1.5rem;
}
.visafir-cta-block h3 {
  font-family: var(--serif);
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
  line-height: 1.3;
}
.visafir-cta-block p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 1.1rem;
  line-height: 1.55;
}
.btn-accent {
  display: block;
  width: 100%;
  background: var(--accent);
  color: var(--white);
  text-align: center;
  padding: 0.72rem 1rem;
  border-radius: 5px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.2s;
}
.btn-accent:hover { background: #2249b3; }

/* Related posts */
.related-posts {}
.related-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.8rem;
}
.related-item {
  display: block;
  text-decoration: none;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}
.related-item:last-child { border-bottom: none; }
.related-item-tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.2rem;
}
.related-item-title {
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.4;
  transition: color 0.2s;
}
.related-item:hover .related-item-title { color: var(--accent); }

/* ── FOOTER ──────────────────────────────── */
.site-footer {
  margin-top: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--border);
  background: var(--white);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3.5rem) clamp(1.5rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
}
.footer-brand-name {
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
}
.footer-brand-name span { color: var(--accent); }
.footer-tagline {
  font-size: 0.78rem;
  color: var(--ink-faint);
  line-height: 1.55;
  margin-bottom: 1rem;
}
.footer-contact {
  font-size: 0.78rem;
  color: var(--ink-muted);
  line-height: 1.8;
}
.footer-contact a { color: var(--ink-muted); text-decoration: none; }
.footer-col h4 {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col ul a {
  font-size: 0.83rem;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col ul a:hover { color: var(--ink); }
.footer-bottom {
  border-top: 1px solid var(--border);
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.2rem clamp(1.5rem, 5vw, 4rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.73rem;
  color: var(--ink-faint);
  flex-wrap: wrap;
  gap: 0.5rem;
}
.footer-bottom a { color: var(--ink-faint); text-decoration: none; }
.footer-bottom a:hover { color: var(--ink-muted); }
.disclaimer {
  background: #f0eee9;
  border-top: 1px solid var(--border);
}
.disclaimer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1rem clamp(1.5rem, 5vw, 4rem);
  font-size: 0.72rem;
  color: var(--ink-faint);
  line-height: 1.6;
}
.disclaimer-inner strong { color: var(--ink-muted); }

/* ── ANIMATIONS ──────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.article-hero   { animation: fadeUp 0.5s ease both; }
.article-layout { animation: fadeUp 0.5s 0.1s ease both; }

/* ── RESPONSIVE ──────────────────────────── */
@media (max-width: 960px) {
  .article-hero  { grid-template-columns: 1fr; gap: 2rem; }
  .article-layout { grid-template-columns: 1fr; gap: 2rem; }
  .hero-sidebar  { display: none; }
  .article-sidebar { position: static; }
  .footer-inner  { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 600px) {
  .nav-links { display: none; }
  .footer-inner  { grid-template-columns: 1fr; }
  .article-body h2 { font-size: 1.35rem; }
}