/* ── Blog Design System ── */
:root {
  --a: #8b5cf6; /* Primary accent */
  --a2: #06b6d4; /* Secondary accent */
  --ag: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 40%, #06b6d4 100%);
  --bg: #060608;
  --bg1: #0c0c12;
  --bg2: #111119;
  --tx: #f0eefb;
  --tx2: #9490b0;
  --tx3: #4e4a6a;
  --brd: rgba(255, 255, 255, 0.06);
  --brd2: rgba(139, 92, 246, 0.4);
  --brd3: rgba(255, 255, 255, 0.12);
  --glass: rgba(255, 255, 255, 0.04);
  --r: 14px;
  --r2: 24px;
  --nav-h: 70px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg: #f5f4fb;
  --bg1: #eeecf8;
  --bg2: #e8e5f5;
  --tx: #0d0c1a;
  --tx2: #4e4a6a;
  --tx3: #9490b0;
  --brd: rgba(0, 0, 0, 0.06);
  --brd3: rgba(0, 0, 0, 0.1);
  --glass: rgba(255, 255, 255, 0.6);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--tx);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background 0.4s, color 0.4s;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--a); border-radius: 99px; }

/* ── Navbar ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: var(--nav-h);
  background: rgba(6, 6, 8, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--brd);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%;
}
.nav-logo-wrap { display: flex; align-items: center; gap: 12px; }
.nav-links-wrap {
  display: flex;
  gap: 24px;
  align-items: center;
}
.nav-links-wrap a {
  color: var(--tx2);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: 0.3s;
}
.nav-links-wrap a:hover { color: var(--a); }
.nav-logo-img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; border: 1px solid var(--brd); }
.nav-logo-img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; border: 1px solid var(--brd); }
.nav-brand { font-weight: 800; font-size: 1.1rem; background: var(--ag); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-back {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85rem; font-weight: 600; color: var(--tx2);
  padding: 8px 20px; border-radius: 99px;
  border: 1px solid var(--brd3); transition: 0.3s var(--ease);
}
.nav-back:hover { color: var(--a); border-color: var(--brd2); background: rgba(139, 92, 246, 0.05); text-decoration: none; transform: translateX(-4px); }
.nav-back svg { width: 14px; height: 14px; }

/* ── Hero ── */
.page-hero {
  padding: calc(var(--nav-h) + 100px) 5% 80px;
  text-align: center;
  background: radial-gradient(circle at 50% 0%, rgba(139, 92, 246, 0.15) 0%, transparent 60%);
  border-bottom: 1px solid var(--brd);
  max-width: 1000px;
  margin: 0 auto;
}
.blog-meta-top {
  display: flex; justify-content: center; align-items: center; gap: 16px;
  margin-bottom: 24px; font-size: 0.85rem; font-weight: 600; color: var(--tx2);
}
.blog-cat { color: var(--a); text-transform: uppercase; letter-spacing: 0.1em; }
.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: var(--tx);
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--tx2);
  max-width: 700px;
  margin: 0 auto 32px;
}
.blog-keywords { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.blog-keywords span {
  font-size: 0.75rem; background: var(--glass);
  border: 1px solid var(--brd); padding: 5px 12px; border-radius: 99px; color: var(--tx3);
}

/* ── Blog Listing ── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 32px;
  padding: 80px 5%;
  max-width: 1200px;
  margin: 0 auto;
}
.blog-card {
  background: var(--glass);
  border: 1px solid var(--brd);
  border-radius: var(--r2);
  padding: 32px;
  transition: 0.4s var(--ease);
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-decoration: none !important;
}
.blog-card:hover {
  transform: translateY(-8px);
  border-color: var(--brd2);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}
.blog-card .card-cat { font-size: 0.75rem; font-weight: 700; color: var(--a); text-transform: uppercase; }
.blog-card h3 { font-size: 1.4rem; font-weight: 700; line-height: 1.3; color: var(--tx); transition: 0.3s; }
.blog-card:hover h3 { color: var(--a); }
.blog-card p { color: var(--tx2); font-size: 0.95rem; line-height: 1.6; }
.blog-card .card-meta { margin-top: auto; font-size: 0.8rem; color: var(--tx3); font-weight: 500; }

/* ── Article Content ── */
.blog-content {
  max-width: 850px;
  margin: 0 auto;
  padding: 80px 5% 120px;
}
.toc {
  background: var(--bg2);
  border: 1px solid var(--brd);
  border-radius: var(--r);
  padding: 32px;
  margin-bottom: 60px;
}
.toc-title { font-size: 1.2rem; margin-bottom: 20px; color: var(--tx); }
.toc ol { padding-left: 20px; color: var(--tx2); display: grid; gap: 10px; }
.toc a { color: var(--tx2); text-decoration: none; font-size: 0.95rem; transition: 0.2s; }
.toc a:hover { color: var(--a); }

.intro { font-size: 1.25rem; line-height: 1.6; color: var(--tx); margin-bottom: 48px; }
.divider { border: 0; border-top: 1px solid var(--brd); margin: 60px 0; }

article section { margin-bottom: 64px; }
article h2 { font-size: 2rem; font-weight: 800; margin-bottom: 24px; color: var(--tx); letter-spacing: -0.02em; }
article h3 { font-size: 1.35rem; font-weight: 700; margin-bottom: 16px; margin-top: 32px; color: var(--tx); }
article p { margin-bottom: 24px; font-size: 1.05rem; color: var(--tx2); }
article ul, article ol { margin-bottom: 24px; padding-left: 24px; color: var(--tx2); }
article li { margin-bottom: 12px; }
article strong { color: var(--tx); }

/* Shared article typography for blog pages */
.blog-content h2 { font-size: 2rem; font-weight: 800; margin-bottom: 24px; color: var(--tx); letter-spacing: -0.02em; }
.blog-content h3 { font-size: 1.35rem; font-weight: 700; margin-bottom: 16px; margin-top: 32px; color: var(--tx); }
.blog-content p { margin-bottom: 24px; font-size: 1.05rem; color: var(--tx2); }
.blog-content ul, .blog-content ol { margin-bottom: 24px; padding-left: 24px; color: var(--tx2); }
.blog-content li { margin-bottom: 12px; }
.blog-content strong { color: var(--tx); }
.blog-content section { margin-bottom: 64px; }

.blog-content .image-suggestions,
.blog-content .result-box,
.blog-content .internal-link-box,
.blog-content .faq-section,
.blog-content .author-box,
.blog-content .cta-box {
  background: var(--bg2);
  border: 1px solid var(--brd);
  border-radius: var(--r);
  padding: 28px;
}

.blog-content .image-suggestions ul,
.blog-content .internal-link-box ul {
  margin-bottom: 0;
}

.blog-content .faq-section {
  display: grid;
  gap: 18px;
}

.blog-content .faq-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--brd);
  border-radius: 16px;
  padding: 20px;
}

.blog-content .faq-item h3,
.blog-content .faq-item h4 {
  margin-top: 0;
  margin-bottom: 10px;
}

.blog-content .inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding-left: 0;
}

.blog-content .inline-links a {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 99px;
  border: 1px solid var(--brd);
  color: var(--tx);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.03);
}

.blog-content .inline-links a:hover {
  color: var(--a);
  border-color: var(--brd2);
}

.blog-content .author-role {
  color: var(--a2);
  font-weight: 600;
  margin-bottom: 12px;
}

.blog-content .post-meta-note {
  color: var(--tx3);
  font-size: 0.9rem;
}

/* ── Blog Images ── */
.blog-img {
  margin: 48px 0;
  border-radius: var(--r2);
  overflow: hidden;
  border: 1px solid var(--brd);
  background: var(--bg2);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}
.blog-img img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s var(--ease);
}
.blog-img:hover img {
  transform: scale(1.02);
}
.blog-img figcaption {
  padding: 16px 24px;
  background: rgba(0, 0, 0, 0.3);
  color: var(--tx2);
  font-size: 0.9rem;
  font-style: italic;
  text-align: center;
  border-top: 1px solid var(--brd);
}

/* ── Tables ── */
.price-table {
  border: 1px solid var(--brd); border-radius: var(--r); overflow: hidden; margin: 40px 0;
}
.price-row {
  display: grid; grid-template-columns: 1fr 1fr 2fr; padding: 16px 24px; border-bottom: 1px solid var(--brd);
  align-items: center; font-size: 0.95rem;
}
.price-row.header { background: var(--bg2); font-weight: 700; color: var(--tx); border-bottom: 2px solid var(--brd); }
.price-row:last-child { border-bottom: 0; }
.price-row span:nth-child(2) { color: var(--a2); font-weight: 600; }

/* ── CTA Box ── */
.cta-box {
  background: var(--ag);
  color: #fff;
  border-radius: var(--r2);
  padding: 60px 40px;
  text-align: center;
  margin: 100px 0;
  box-shadow: 0 30px 60px rgba(139, 92, 246, 0.3);
}
.cta-icon { font-size: 3rem; margin-bottom: 20px; }
.cta-box h3 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
.cta-box p { color: rgba(255, 255, 255, 0.9); margin-bottom: 32px; font-size: 1.1rem; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  background: #fff; color: #000; padding: 14px 32px; border-radius: 99px;
  font-weight: 700; text-decoration: none; transition: 0.3s;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2); }
.btn-secondary {
  background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff; padding: 14px 32px; border-radius: 99px; font-weight: 600;
  text-decoration: none; transition: 0.3s;
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.2); }

/* ── Related Posts ── */
.related-posts { margin-top: 100px; padding-top: 60px; border-top: 1px solid var(--brd); }
.related-posts h3 { margin-bottom: 32px; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.related-card {
  background: var(--bg2); border: 1px solid var(--brd); padding: 24px; border-radius: var(--r);
  text-decoration: none; transition: 0.3s;
}
.related-card:hover { border-color: var(--a); transform: translateY(-5px); }
.related-card .related-cat { font-size: 0.7rem; font-weight: 700; color: var(--tx3); text-transform: uppercase; margin-bottom: 10px; display: block; }
.related-card h4 { font-size: 1.1rem; color: var(--tx); margin-bottom: 10px; }
.related-card p { font-size: 0.85rem; color: var(--tx2); margin: 0; }

/* ── Author Box ── */
.author-box {
  background: var(--bg2);
  border: 1px solid var(--brd);
  border-radius: var(--r);
  padding: 32px;
  margin: 60px 0;
  display: flex;
  align-items: center;
  gap: 24px;
}
.author-img-wrap {
  flex-shrink: 0;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--brd);
}
.author-img { width: 100%; height: 100%; object-fit: cover; }
.author-info h4 { font-size: 1.2rem; margin-bottom: 8px; color: var(--tx); }
.author-info p { font-size: 0.95rem; color: var(--tx2); margin-bottom: 12px; line-height: 1.5; }
.author-socials { display: flex; gap: 12px; }
.author-socials a { color: var(--tx3); transition: 0.3s; }
.author-socials a:hover { color: var(--a); }
.author-socials svg { width: 18px; height: 18px; }

@media (max-width: 600px) {
  .author-box { flex-direction: column; text-align: center; }
  .author-img-wrap { margin: 0 auto; }
  .author-socials { justify-content: center; }
}

/* ── Footer ── */
.page-footer {
  text-align: center; padding: 48px 5%; border-top: 1px solid var(--brd);
  color: var(--tx3); font-size: 0.85rem;
}
.page-footer a { color: var(--tx3); text-decoration: none; margin: 0 8px; transition: 0.2s; }
.page-footer a:hover { color: var(--a); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav { padding: 0 20px; }
  .page-hero { padding-top: calc(var(--nav-h) + 60px); }
  .blog-meta-top { flex-direction: column; gap: 8px; }
  .price-row { grid-template-columns: 1fr; gap: 10px; text-align: center; }
  .cta-box { padding: 40px 20px; }
  article h2 { font-size: 1.7rem; }
  .blog-content h2 { font-size: 1.7rem; }
}