/* ─────────────────────────────────────────
   SPONSORLY · shared.css
   Shared styles: nav upgrades, footer, blog, guides
   ───────────────────────────────────────── */

/* ── NAV UPGRADES ── */
.nav-link {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 7px 13px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.05); }
.nav-link.active { color: var(--white); }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--muted);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 12px 0 16px;
  border-top: 1px solid var(--border);
  gap: 2px;
}
.nav-mobile.open { display: flex; }
.nav-mobile-link {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}
.nav-mobile-link:hover, .nav-mobile-link.active { color: var(--white); }
.nav-mobile-cta {
  margin: 8px 16px 0;
  background: var(--teal);
  color: var(--midnight);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-block;
  width: fit-content;
}

/* ── FOOTER ── */
.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
.footer-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.05rem; font-weight: 600; color: var(--white);
  margin-bottom: 14px;
}
.footer-desc {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 280px;
}
.footer-links-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: 4px;
}
.footer-col a {
  text-decoration: none;
  font-size: 0.85rem;
  color: var(--muted);
  transition: color var(--transition);
  line-height: 1.5;
}
.footer-col a:hover { color: var(--teal); }
.footer-bottom { text-align: center; }
.footer-bottom p { font-size: 0.8rem; color: var(--muted-light); margin-bottom: 6px; }
.footer-disclaimer { font-size: 0.75rem !important; color: rgba(107,117,133,0.7) !important; max-width: 600px; margin: 0 auto !important; line-height: 1.6; }

/* ── PAGE HERO (for inner pages) ── */
.page-hero {
  padding: 120px 0 64px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -200px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 400px;
  background: radial-gradient(circle, rgba(0,212,170,0.08), transparent 70%);
  pointer-events: none;
}
.page-hero .section-label { margin-bottom: 12px; }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}
.page-hero p {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── BLOG LIST PAGE ── */
.blog-section { padding: 64px 0 100px; }

.blog-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 48px;
  transition: border-color var(--transition), box-shadow var(--transition);
  text-decoration: none;
}
.blog-featured:hover {
  border-color: rgba(0,212,170,0.3);
  box-shadow: var(--shadow);
}
.blog-featured-img {
  background: linear-gradient(135deg, #0d1f3c 0%, #0b2a1c 100%);
  display: flex; align-items: center; justify-content: center;
  min-height: 280px;
  position: relative;
  overflow: hidden;
}
.blog-featured-img .img-pattern {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(0,212,170,0.15) 1px, transparent 1px);
  background-size: 24px 24px;
}
.blog-featured-img .img-icon {
  position: relative;
  font-size: 4rem;
  z-index: 1;
}
.blog-featured-body { padding: 40px; display: flex; flex-direction: column; justify-content: center; }
.blog-featured-body .post-tag { margin-bottom: 14px; }
.blog-featured-body h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--white);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.blog-featured-body p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}
.blog-featured-meta { display: flex; align-items: center; gap: 16px; }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  border-color: rgba(0,212,170,0.25);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.blog-card-img {
  height: 160px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem;
  position: relative;
  overflow: hidden;
}
.blog-card-img .img-pattern {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 20px 20px;
}
.blog-card-img span { position: relative; z-index: 1; }
.blog-card-body { padding: 20px 22px; flex: 1; display: flex; flex-direction: column; }
.blog-card-body h3 {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.4;
  margin-bottom: 10px;
  flex: 1;
}
.blog-card-body p {
  font-size: 0.83rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 16px;
}
.blog-card-footer {
  display: flex; align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

/* ── POST META ── */
.post-tag {
  display: inline-block;
  background: var(--teal-dim);
  border: 1px solid rgba(0,212,170,0.2);
  color: var(--teal);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 100px;
}
.post-meta {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.8rem; color: var(--muted);
}
.post-meta-dot { width: 3px; height: 3px; background: var(--muted); border-radius: 50%; }
.read-more {
  font-size: 0.8rem; color: var(--teal); font-weight: 600;
  display: flex; align-items: center; gap: 4px;
  transition: gap var(--transition);
}
.blog-card:hover .read-more { gap: 8px; }

/* ── ARTICLE PAGE ── */
.article-wrap { max-width: 740px; margin: 0 auto; padding: 64px 24px 100px; }
.article-header { margin-bottom: 48px; }
.article-header .post-tag { margin-bottom: 16px; }
.article-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 400;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.article-header .article-intro {
  font-size: 1.1rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 24px;
  border-left: 3px solid var(--teal);
  padding-left: 20px;
}
.article-meta {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.article-meta-item { font-size: 0.82rem; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.article-meta-item strong { color: var(--off-white); }

/* Article body */
.article-body { color: var(--off-white); font-size: 1rem; line-height: 1.85; }
.article-body h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--white);
  letter-spacing: -0.02em;
  margin: 48px 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.article-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
  margin: 32px 0 12px;
}
.article-body p { margin-bottom: 20px; }
.article-body strong { color: var(--white); font-weight: 600; }
.article-body a { color: var(--teal); text-decoration: underline; text-underline-offset: 3px; }
.article-body ul, .article-body ol {
  margin: 0 0 20px 20px;
  display: flex; flex-direction: column; gap: 8px;
}
.article-body li { line-height: 1.7; }
.article-body blockquote {
  background: var(--surface);
  border-left: 3px solid var(--teal);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 20px 24px;
  margin: 32px 0;
  color: var(--off-white);
  font-size: 1.05rem;
  line-height: 1.7;
}
.article-body .callout {
  background: var(--teal-dim);
  border: 1px solid rgba(0,212,170,0.2);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin: 32px 0;
  font-size: 0.92rem;
}
.article-body .callout-title {
  font-weight: 600; color: var(--teal);
  font-size: 0.85rem; text-transform: uppercase;
  letter-spacing: 0.06em; margin-bottom: 8px;
}
.article-body .warning {
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin: 32px 0;
  font-size: 0.92rem;
}
.article-body .warning-title {
  font-weight: 600; color: #f59e0b;
  font-size: 0.85rem; text-transform: uppercase;
  letter-spacing: 0.06em; margin-bottom: 8px;
}

/* Article sidebar / TOC */
.article-layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px 24px 100px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 60px;
  align-items: start;
}
.article-toc {
  position: sticky;
  top: 88px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.article-toc-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 16px;
}
.article-toc ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.article-toc a {
  text-decoration: none;
  font-size: 0.85rem;
  color: var(--muted);
  transition: color var(--transition);
  line-height: 1.4;
  display: block;
  padding: 4px 0 4px 12px;
  border-left: 2px solid transparent;
}
.article-toc a:hover { color: var(--teal); border-left-color: var(--teal); }

/* CTA box in articles */
.article-cta {
  background: linear-gradient(135deg, rgba(0,212,170,0.1), rgba(0,212,170,0.05));
  border: 1px solid rgba(0,212,170,0.2);
  border-radius: var(--radius);
  padding: 32px;
  margin: 48px 0;
  text-align: center;
}
.article-cta h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 10px;
}
.article-cta p { color: var(--muted); font-size: 0.9rem; margin-bottom: 20px; }
.btn-teal {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--teal);
  color: var(--midnight);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 12px 24px;
  border-radius: 100px;
  text-decoration: none;
  transition: opacity var(--transition);
}
.btn-teal:hover { opacity: 0.85; }

/* Related articles */
.related-section { padding: 64px 0; border-top: 1px solid var(--border); }
.related-section .section-label { margin-bottom: 12px; }
.related-section .section-title { margin-bottom: 32px; }

/* ── GUIDES / KNOWLEDGE BASE ── */
.guides-section { padding: 64px 0 100px; }
.guides-intro {
  max-width: 600px;
  margin: 0 auto 56px;
  text-align: center;
}
.guides-intro p { color: var(--muted); font-size: 0.95rem; line-height: 1.7; }

.guides-category { margin-bottom: 56px; }
.guides-category-header {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.guides-category-icon {
  width: 40px; height: 40px;
  background: var(--teal-dim);
  border: 1px solid rgba(0,212,170,0.2);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.guides-category-header h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
}
.guides-category-header p { font-size: 0.85rem; color: var(--muted); }
.guides-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.guide-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  text-decoration: none;
  transition: border-color var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.guide-card:hover {
  border-color: rgba(0,212,170,0.25);
  transform: translateY(-2px);
}
.guide-card h3 {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.4;
}
.guide-card p {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.6;
  flex: 1;
}
.guide-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.78rem; color: var(--muted);
  padding-top: 10px;
  border-top: 1px solid var(--border-light);
}
.guide-card-footer .arrow { color: var(--teal); font-size: 0.85rem; }

/* ── ABOUT PAGE ── */
.about-page { padding: 64px 0 100px; }
.about-page-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 60px;
  align-items: start;
}
.about-page p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 20px;
}
.about-page strong { color: var(--off-white); }
.about-sidebar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.about-sidebar-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
}
.sidebar-item {
  display: flex; gap: 12px; align-items: flex-start;
  margin-bottom: 16px;
}
.sidebar-item:last-child { margin-bottom: 0; }
.sidebar-icon {
  width: 32px; height: 32px;
  background: var(--teal-dim);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; flex-shrink: 0;
}
.sidebar-item strong { display: block; font-size: 0.85rem; color: var(--white); margin-bottom: 2px; }
.sidebar-item p { font-size: 0.8rem; color: var(--muted); line-height: 1.5; margin: 0; }

/* ── MOBILE RESPONSIVE ── */
@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-toc { position: static; display: none; }
  .blog-featured { grid-template-columns: 1fr; }
  .blog-featured-img { min-height: 180px; }
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .guides-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-links-group { grid-template-columns: 1fr 1fr; }
  .about-page-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .blog-grid { grid-template-columns: 1fr; }
  .guides-grid { grid-template-columns: 1fr; }
  .footer-links-group { grid-template-columns: 1fr; }
  .blog-featured-body { padding: 24px; }
  .blog-featured-body h2 { font-size: 1.25rem; }
}