/* ============================================================
   WAStore Blog — Custom CSS
   Mengikuti identitas visual WAStore (hijau WhatsApp + Plus Jakarta Sans)
   ============================================================ */

:root {
  --wa-green: #25D366;
  --wa-green-dark: #128C7E;
  --wa-green-light: #F0FDF4;
  --wa-green-pale: #DCFCE7;
  --wa-text: #1F2937;
  --wa-text-muted: #6B7280;
  --wa-border: #E5E7EB;
  --bs-body-font-family: 'Plus Jakarta Sans', sans-serif;
  --bs-link-color: var(--wa-green-dark);
  --bs-link-hover-color: var(--wa-green);
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--wa-text);
  background: #ffffff;
}

/* ── Navbar ─────────────────────────────────────────────── */
.blog-navbar {
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--wa-border);
}
.blog-navbar .nav-link {
  font-weight: 500;
  color: var(--wa-text-muted);
}
.blog-navbar .nav-link.active,
.blog-navbar .nav-link:hover {
  color: var(--wa-green-dark);
}
.brand-logo {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, #34d399, var(--wa-green-dark));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}

/* ── Buttons ────────────────────────────────────────────── */
.btn-wa {
  background: linear-gradient(135deg, var(--wa-green), var(--wa-green-dark));
  color: #fff;
  font-weight: 700;
  border: none;
  box-shadow: 0 4px 18px rgba(37,211,102,.3);
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn-wa:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(37,211,102,.4);
  color: #fff;
}

/* ── Hero ───────────────────────────────────────────────── */
.blog-hero {
  background: radial-gradient(ellipse 80% 60% at 50% -10%, #bbf7d060 0%, transparent 70%),
              linear-gradient(180deg, #f0fdf4 0%, #ffffff 100%);
  padding: 6.5rem 0 3rem;
}
.blog-search-form .form-control {
  border-radius: 14px 0 0 14px;
  border: 1.5px solid var(--wa-border);
  padding: .9rem 1.2rem;
}
.blog-search-form .btn {
  border-radius: 0 14px 14px 0;
}

/* ── Article card ───────────────────────────────────────── */
.article-card {
  border: 1px solid var(--wa-border);
  border-radius: 18px;
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
  height: 100%;
}
.article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0,0,0,.08);
}
.article-card img {
  aspect-ratio: 16/9;
  object-fit: cover;
  width: 100%;
}
.article-card .category-pill {
  background: var(--wa-green-pale);
  color: var(--wa-green-dark);
  font-size: .72rem;
  font-weight: 700;
  padding: .25rem .65rem;
  border-radius: 999px;
}
.article-card .article-title {
  font-weight: 700;
  color: var(--wa-text);
  line-height: 1.35;
}
.article-card .article-meta {
  font-size: .8rem;
  color: var(--wa-text-muted);
}

/* ── Sidebar ────────────────────────────────────────────── */
.sidebar-card {
  border: 1px solid var(--wa-border);
  border-radius: 16px;
  padding: 1.25rem;
}
.sidebar-card h6 {
  font-weight: 800;
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--wa-text-muted);
  margin-bottom: 1rem;
}
.sidebar-popular-item {
  display: flex; gap: .75rem;
  padding: .6rem 0;
  border-bottom: 1px solid var(--wa-border);
}
.sidebar-popular-item:last-child { border-bottom: none; }
.sidebar-popular-item img {
  width: 56px; height: 56px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}
.tag-chip {
  display: inline-block;
  background: var(--wa-green-light);
  color: var(--wa-green-dark);
  border: 1px solid var(--wa-green-pale);
  font-size: .78rem;
  font-weight: 600;
  padding: .3rem .7rem;
  border-radius: 999px;
  margin: 0 .3rem .3rem 0;
  text-decoration: none;
}
.tag-chip:hover { background: var(--wa-green-pale); color: var(--wa-green-dark); }

/* ── Article detail ─────────────────────────────────────── */
.article-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--wa-text);
}
.article-content h2 { font-weight: 800; margin-top: 2.5rem; scroll-margin-top: 90px; }
.article-content h3 { font-weight: 700; margin-top: 2rem; scroll-margin-top: 90px; }
.article-content img { border-radius: 14px; max-width: 100%; height: auto; }
.article-content blockquote {
  border-left: 4px solid var(--wa-green);
  background: var(--wa-green-light);
  padding: 1rem 1.25rem;
  border-radius: 0 12px 12px 0;
  font-style: italic;
}
.article-content a { color: var(--wa-green-dark); font-weight: 600; }

.toc-box {
  border: 1px solid var(--wa-border);
  border-radius: 16px;
  padding: 1.25rem;
  position: sticky;
  top: 90px;
}
.toc-box a {
  display: block;
  padding: .35rem 0;
  color: var(--wa-text-muted);
  text-decoration: none;
  font-size: .88rem;
  border-left: 2px solid transparent;
  padding-left: .75rem;
  margin-left: -.75rem;
}
.toc-box a:hover,
.toc-box a.active {
  color: var(--wa-green-dark);
  border-left-color: var(--wa-green);
  font-weight: 600;
}

.author-box {
  background: var(--wa-green-light);
  border-radius: 16px;
  padding: 1.25rem;
}

/* Breadcrumb */
.blog-breadcrumb {
  font-size: .85rem;
}
.blog-breadcrumb a { color: var(--wa-text-muted); text-decoration: none; }
.blog-breadcrumb a:hover { color: var(--wa-green-dark); }

/* Pagination */
.pagination .page-link {
  color: var(--wa-text);
  border-radius: 10px;
  margin: 0 .2rem;
  border: 1px solid var(--wa-border);
}
.pagination .page-item.active .page-link {
  background: var(--wa-green);
  border-color: var(--wa-green);
}

/* Lazy load fade-in */
img.lazy-img {
  opacity: 0;
  transition: opacity .3s ease;
}
img.lazy-img.loaded {
  opacity: 1;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .article-card, .btn-wa, img.lazy-img { transition: none; }
}