/* Blog styles — builds on /css/style.css variables */

/* ── Blog Hero ────────────────────────── */
.blog-hero {
  padding-block: calc(var(--nav-h) + 80px) 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 50% 0%, rgba(99,102,241,.18) 0%, transparent 65%),
    radial-gradient(ellipse 40% 35% at 85% 100%, rgba(168,85,247,.1) 0%, transparent 60%);
  pointer-events: none;
}
.blog-hero h1 {
  font-size: clamp(2rem,4vw,3rem);
  font-weight: 900;
  margin-bottom: 14px;
  letter-spacing: -.025em;
  position: relative;
}
.blog-hero p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin-inline: auto;
  position: relative;
}

/* ── Filter tabs ──────────────────────── */
.blog-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.blog-tab {
  padding: 9px 20px;
  border-radius: var(--r-pill);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  transition: all var(--t) var(--ease);
}
.blog-tab:hover { color: var(--text); border-color: var(--border-hover); }
.blog-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ── Blog grid ────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 64px;
}

/* ── Blog card — editorial style ────── */
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 0;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  transition: border-color var(--t) var(--ease),
              transform   var(--t) var(--ease),
              box-shadow  var(--t) var(--ease);
}
/* top colour accent */
.blog-card::before {
  content: '';
  position: absolute;
  inset-block-start: 0;
  inset-inline: 0;
  height: 3px;
  border-radius: 3px 3px 0 0;
  opacity: 0;
  transition: opacity var(--t) var(--ease);
}
.blog-card[data-cat="ecommerce"]::before { background: var(--blue); }
.blog-card[data-cat="web"]::before       { background: var(--purple); }
.blog-card[data-cat="whatsapp"]::before  { background: var(--green); }

.blog-card:hover {
  border-color: rgba(99,102,241,.35);
  transform: translateY(-5px);
  box-shadow: 0 24px 56px rgba(0,0,0,.35);
}
.blog-card:hover::before { opacity: 1; }

/* card top row: number + icon */
.bc-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
}
.bc-num {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(255,255,255,.05);
  letter-spacing: -.04em;
  user-select: none;
}
.bc-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.bc-icon.cat-ecommerce { background: rgba(59,130,246,.12);  color: var(--blue); }
.bc-icon.cat-web       { background: rgba(168,85,247,.12);  color: var(--purple); }
.bc-icon.cat-whatsapp  { background: rgba(34,197,94,.12);   color: var(--green); }

/* card body */
.blog-card-cat {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.blog-card-cat.ecommerce { color: var(--blue); }
.blog-card-cat.web       { color: var(--purple); }
.blog-card-cat.whatsapp  { color: var(--green); }

.blog-card h2 {
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.5;
  margin-bottom: 12px;
  color: var(--text);
}
.blog-card p {
  color: var(--text-muted);
  font-size: .91rem;
  line-height: 1.75;
  flex: 1;
  margin-bottom: 20px;
}

/* card footer */
.bc-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block-start: 16px;
  border-block-start: 1px solid var(--border);
  margin-top: auto;
}
.bc-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-dim);
}
.bc-meta i { font-size: 11px; }
.bc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  transition: gap var(--t) var(--ease);
}
.blog-card:hover .bc-link { gap: 10px; }

/* ── Article hero ─────────────────────── */
.article-hero {
  padding-block: calc(var(--nav-h) + 80px) 48px;
  position: relative;
  overflow: hidden;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 55% at 50% 0%, rgba(99,102,241,.13) 0%, transparent 65%);
  pointer-events: none;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
  position: relative;
}
.breadcrumb a { color: var(--text-muted); transition: color var(--t); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb-sep { color: var(--text-dim); }

.article-title {
  font-size: clamp(1.8rem,3.5vw,2.8rem);
  font-weight: 900;
  letter-spacing: -.025em;
  line-height: 1.25;
  max-width: 820px;
  position: relative;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 20px;
  position: relative;
}
.cat-badge {
  padding: 4px 12px;
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: 700;
}
.cat-badge.ecommerce { background: rgba(59,130,246,.1);  color: var(--blue); }
.cat-badge.web       { background: rgba(168,85,247,.1);  color: var(--purple); }
.cat-badge.whatsapp  { background: rgba(34,197,94,.1);   color: var(--green); }

/* ── Article layout ───────────────────── */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 290px;
  gap: 48px;
  align-items: start;
  padding-block: 48px 24px;
}
.article-content { min-width: 0; }
.article-content h2 {
  font-size: 1.45rem;
  font-weight: 800;
  margin-block: 38px 14px;
  color: var(--text);
}
.article-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-block: 26px 10px;
  color: #a5b4fc;
}
.article-content p {
  color: var(--text-muted);
  line-height: 1.95;
  margin-bottom: 18px;
  font-size: 1rem;
}
.article-content strong { color: var(--text); }
.article-content ul, .article-content ol {
  padding-inline-start: 24px;
  margin-bottom: 20px;
}
.article-content li {
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 8px;
}
.article-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--t);
}
.article-content a:hover { color: #a5b4fc; }

.info-box {
  background: rgba(99,102,241,.08);
  border: 1px solid rgba(99,102,241,.2);
  border-radius: var(--r);
  padding: 20px 24px;
  margin-block: 24px;
}
.info-box p { margin-bottom: 0; color: #c7d2fe; }

.tip-box {
  background: rgba(34,197,94,.06);
  border: 1px solid rgba(34,197,94,.18);
  border-radius: var(--r);
  padding: 20px 24px;
  margin-block: 24px;
}
.tip-box p { margin-bottom: 0; color: #86efac; }

.steps-list {
  counter-reset: steps;
  list-style: none;
  padding: 0;
  margin-bottom: 24px;
}
.steps-list li {
  counter-increment: steps;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 22px;
}
.steps-list li::before {
  content: counter(steps);
  width: 32px; height: 32px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 3px;
}

.compare-table { width: 100%; border-collapse: collapse; margin-block: 24px; font-size: .93rem; }
.compare-table th, .compare-table td { padding: 13px 16px; border: 1px solid var(--border); text-align: right; }
.compare-table th { background: var(--bg-card2); font-weight: 700; color: var(--text); }
.compare-table td { color: var(--text-muted); background: var(--bg-card); }
.compare-table tr:hover td { background: var(--bg-card2); }

/* ── Hashtags ─────────────────────────── */
.hashtags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block: 28px;
  padding-block: 22px;
  border-block: 1px solid var(--border);
}
.hashtag {
  background: rgba(99,102,241,.08);
  border: 1px solid rgba(99,102,241,.15);
  color: #a5b4fc;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: 600;
  transition: background var(--t);
}
.hashtag:hover { background: rgba(99,102,241,.18); cursor: default; }

/* ── Sidebar ──────────────────────────── */
.article-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 20px);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 22px;
}
.sidebar-card h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text);
}
.sidebar-card ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.sidebar-card ul li a {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.5;
  transition: color var(--t);
  display: block;
}
.sidebar-card ul li a:hover { color: var(--primary); }
.sidebar-cta {
  background: linear-gradient(135deg,rgba(99,102,241,.14),rgba(168,85,247,.08));
  border-color: rgba(99,102,241,.28);
}
.sidebar-cta p { color: var(--text-muted); font-size: 13px; line-height: 1.65; margin-bottom: 14px; }

/* ── In-article CTA ───────────────────── */
.article-cta {
  background: linear-gradient(135deg,rgba(99,102,241,.12),rgba(168,85,247,.07));
  border: 1px solid rgba(99,102,241,.25);
  border-radius: var(--r);
  padding: 36px;
  text-align: center;
  margin-block: 40px;
}
.article-cta h3 { font-size: 1.45rem; font-weight: 800; margin-bottom: 12px; }
.article-cta p { color: var(--text-muted); max-width: 440px; margin-inline: auto; margin-bottom: 24px; }

/* ── Related posts ────────────────────── */
.related-section {
  padding-block: 48px;
  border-top: 1px solid var(--border);
}
.related-section h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 24px; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px,1fr));
  gap: 18px;
}
.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 20px;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: border-color var(--t), transform var(--t);
}
.related-card:hover { border-color: rgba(99,102,241,.3); transform: translateY(-2px); }
.related-card-cat { font-size: 11px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 8px; }
.related-card h4 { font-size: .93rem; font-weight: 700; line-height: 1.45; margin-bottom: 10px; color: var(--text); }
.related-card-link { color: var(--primary); font-size: 12px; font-weight: 700; display: inline-flex; align-items: center; gap: 4px; }

/* ── Footer ───────────────────────────── */
.blog-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding-block: 36px;
  text-align: center;
}
.blog-footer p { color: var(--text-dim); font-size: 13px; line-height: 1.8; }
.blog-footer a { color: var(--primary); }

/* ── Mobile nav ───────────────────────── */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    inset-block-start: var(--nav-h);
    inset-inline: 0;
    background: rgba(11,11,18,.97);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    flex-direction: column;
    gap: 4px;
    z-index: 199;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
}

/* ── Responsive ───────────────────────── */
@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
}
@media (max-width: 600px) {
  .blog-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .article-cta { padding: 24px; }
}