/* ================================
   SynthAI Blog — Enhanced Stylesheet v2
   Premium dark editorial design
   ================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
::selection { background: #c9f731; color: #08090d; }

:root {
  --bg: #08090d;
  --bg-card: #0f1015;
  --bg-card-hover: #13141a;
  --bg-elevated: #181820;
  --border: #1a1a1c;
  --border-hover: #2a2a2c;
  --border-subtle: #141416;
  --text: #e8e6e1;
  --text-muted: #8a8780;
  --text-dim: #6a6860;
  --text-faint: #4a4840;
  --text-ghost: #2a2a2a;
  --accent: #c9f731;
  --accent-hover: #e0ff66;
  --accent-dim: rgba(201,247,49,0.08);
  --accent-glow: rgba(201,247,49,0.15);
  --blue: #4facfe;
  --purple: #667eea;
  --pink: #f093fb;
  --coral: #f5576c;
  --green: #11998e;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-width: 1200px;
  --content-width: 740px;
  --transition: cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* --- Grain Overlay --- */
body::after {
  content: '';
  position: fixed; top: -50%; left: -50%; width: 200%; height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 9999;
  animation: grain 8s steps(10) infinite;
}
@keyframes grain {
  0%, 100% { transform: translate(0,0); }
  10% { transform: translate(-5%,-10%); }
  30% { transform: translate(3%,-15%); }
  50% { transform: translate(12%,9%); }
  70% { transform: translate(9%,4%); }
  90% { transform: translate(-1%,7%); }
}

/* --- Utility Classes --- */
.accent { color: var(--accent); }
.muted { color: var(--text-faint); }
.meta-text { font-size: 13px; color: var(--text-faint); }
.meta-dot { color: var(--text-ghost); margin: 0 4px; }

.label-mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 16px;
}

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 56px clamp(16px, 4vw, 48px);
}

/* --- Scroll Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s var(--transition);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Buttons --- */
.btn {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 12px 28px;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.3s var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--accent); color: var(--bg);
}
.btn-primary::before {
  content: '';
  position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}
.btn-primary:hover::before { left: 100%; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 30px var(--accent-glow); }

.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }

.btn-sm { padding: 8px 20px; font-size: 12px; }
.btn-ghost { background: transparent; color: var(--accent); border: none; padding: 8px 0; }
.btn-ghost:hover { text-decoration: underline; }

/* --- Navigation --- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(8,9,13,0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; padding: 0 clamp(16px, 4vw, 48px);
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo-icon { font-size: 22px; color: var(--accent); }
.nav-logo-text { font-family: var(--font-serif); font-size: 24px; letter-spacing: -0.02em; }
.nav-links { display: flex; gap: 32px; }
.nav-link {
  font-family: var(--font-sans); font-size: 13px; font-weight: 500;
  color: var(--text-muted); letter-spacing: 0.08em; text-transform: uppercase;
  transition: color 0.3s; position: relative;
}
.nav-link::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0;
  height: 2px; background: var(--accent); transition: width 0.3s var(--transition);
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link:hover, .nav-link.active { color: var(--accent); }
.nav-actions { display: flex; gap: 12px; align-items: center; }
.nav-search-btn {
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; padding: 8px; transition: all 0.3s; border-radius: 8px;
}
.nav-search-btn:hover { color: var(--accent); background: var(--accent-dim); }
.nav-menu-btn {
  background: none; border: none; cursor: pointer; padding: 8px;
  display: flex; flex-direction: column; gap: 5px;
}
.nav-menu-btn span { display: block; height: 2px; background: var(--text-muted); border-radius: 2px; transition: all 0.3s; }
.nav-menu-btn span:first-child { width: 20px; }
.nav-menu-btn span:last-child { width: 14px; }
.nav-menu-btn:hover span { background: var(--accent); }

/* --- Mobile Menu --- */
.mobile-menu {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: var(--bg); z-index: 999; padding: 100px 32px;
  display: none; flex-direction: column;
}
.mobile-menu.active { display: flex; }
.mobile-menu-close {
  position: absolute; top: 24px; right: 24px;
  background: none; border: none; color: var(--text-muted);
  font-size: 28px; cursor: pointer;
}
.mobile-menu-link {
  display: block; font-family: var(--font-serif);
  font-size: 36px; margin-bottom: 24px; transition: color 0.3s;
  opacity: 0; animation: slideIn 0.4s ease forwards;
}
.mobile-menu-link:nth-child(2) { animation-delay: 0.05s; }
.mobile-menu-link:nth-child(3) { animation-delay: 0.1s; }
.mobile-menu-link:nth-child(4) { animation-delay: 0.15s; }
.mobile-menu-link:nth-child(5) { animation-delay: 0.2s; }
.mobile-menu-link:hover { color: var(--accent); }

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* --- Search Overlay --- */
.search-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(8,9,13,0.95); backdrop-filter: blur(20px);
  z-index: 1000; display: none;
  align-items: flex-start; justify-content: center; padding-top: 20vh;
}
.search-overlay.active { display: flex; }
.search-box { width: 100%; max-width: 700px; padding: 0 24px; }
.search-input {
  font-family: var(--font-serif); font-size: 42px;
  background: transparent; border: none; color: var(--text);
  width: 100%; outline: none; caret-color: var(--accent);
  border-bottom: 2px solid var(--border);
  padding-bottom: 16px;
}
.search-input::placeholder { color: var(--text-ghost); }
.search-hint { font-size: 13px; color: var(--text-faint); margin-top: 24px; }

/* --- Hero --- */
.hero {
  text-align: center;
  padding: clamp(80px, 14vw, 160px) clamp(16px, 4vw, 48px) clamp(48px, 8vw, 100px);
  position: relative;
  overflow: hidden;
}
.hero-glow {
  position: absolute; top: 20%; left: 50%; transform: translate(-50%, -50%);
  width: 70vw; height: 50vw;
  background: radial-gradient(ellipse, rgba(201,247,49,0.05) 0%, transparent 60%);
  pointer-events: none;
}
.hero-glow-secondary {
  position: absolute; bottom: 0; right: -10%; width: 40vw; height: 40vw;
  background: radial-gradient(ellipse, rgba(102,126,234,0.03) 0%, transparent 60%);
  pointer-events: none;
}
.hero-grid-bg {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(201,247,49,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,247,49,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, black, transparent);
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 840px; margin: 0 auto; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-dim); border: 1px solid rgba(201,247,49,0.15);
  padding: 8px 18px; border-radius: 100px; margin-bottom: 28px;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(48px, 9vw, 92px);
  font-weight: 400; line-height: 1.02;
  letter-spacing: -0.035em;
  margin-bottom: 28px;
}
.hero-title em { font-style: italic; }
.hero-sub {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-dim); max-width: 540px;
  margin: 0 auto 44px; line-height: 1.65;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-trust {
  margin-top: 48px; display: flex; align-items: center;
  justify-content: center; gap: 24px; flex-wrap: wrap;
}
.hero-trust-item {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--text-faint);
}
.hero-trust-icon { color: var(--accent); font-size: 16px; }
.pulse-dot { animation: pulse 2s ease infinite; display: inline-block; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

/* --- Stats Bar --- */
.stats-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 0; overflow: hidden;
  background: linear-gradient(180deg, rgba(15,16,21,0.5), transparent);
}
.stats-track {
  display: flex; animation: marquee 35s linear infinite;
  white-space: nowrap;
}
.stats-group { display: flex; gap: 48px; margin-right: 48px; }
.stat-item { display: flex; align-items: center; gap: 12px; }
.stat-value { font-family: var(--font-serif); font-size: 20px; }
.stat-label { font-size: 11px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.08em; }
.stat-sep { color: var(--border); font-size: 8px; }

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Featured Card --- */
.featured-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 24px; overflow: hidden;
  transition: all 0.5s var(--transition); margin-top: 16px;
  position: relative;
}
.featured-card::before {
  content: ''; position: absolute; inset: 0; border-radius: 24px;
  background: linear-gradient(135deg, var(--accent-dim), transparent 40%);
  opacity: 0; transition: opacity 0.5s;
  pointer-events: none;
}
.featured-card:hover::before { opacity: 1; }
.featured-card:hover { border-color: rgba(201,247,49,0.3); box-shadow: 0 24px 80px rgba(0,0,0,0.3); }
.featured-grid { display: grid; grid-template-columns: 1.2fr 1fr; }
.featured-image {
  min-height: 340px; display: flex; align-items: center;
  justify-content: center; position: relative;
}
.featured-icon { font-size: 80px; animation: float 4s ease infinite; }
.featured-badge {
  position: absolute; top: 20px; left: 20px;
  font-family: var(--font-mono); font-size: 11px;
  background: var(--accent); color: var(--bg);
  padding: 6px 16px; border-radius: 100px; font-weight: 600;
  letter-spacing: 0.04em;
}
.featured-body { padding: clamp(28px, 4vw, 52px); display: flex; flex-direction: column; justify-content: center; }
.featured-title {
  font-family: var(--font-serif); font-size: clamp(24px, 3vw, 36px);
  font-weight: 400; line-height: 1.15; letter-spacing: -0.02em; margin: 14px 0 18px;
}
.featured-excerpt { font-size: 15px; color: var(--text-dim); line-height: 1.65; margin-bottom: 28px; }
.featured-meta { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.featured-spacer { flex: 1; }

/* --- Post Grid --- */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: 20px; margin-top: 20px;
}

/* --- Post Card --- */
.post-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 18px; overflow: hidden;
  transition: all 0.45s var(--transition); position: relative;
}
.post-card::after {
  content: ''; position: absolute; inset: 0; border-radius: 18px;
  box-shadow: inset 0 0 0 1px transparent;
  transition: box-shadow 0.3s; pointer-events: none;
}
.post-card:hover {
  border-color: var(--border-hover); transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}
.post-card:hover::after { box-shadow: inset 0 0 0 1px var(--border-hover); }
.post-card-link { display: block; color: inherit; }
.post-card-image {
  height: 190px; display: flex; align-items: center;
  justify-content: center; transition: transform 0.5s var(--transition);
  position: relative; overflow: hidden;
}
.post-card-image::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 60px;
  background: linear-gradient(transparent, var(--bg-card));
  pointer-events: none;
}
.post-card:hover .post-card-image { transform: scale(1.03); }
.post-card-icon { font-size: 52px; transition: transform 0.5s var(--transition); position: relative; z-index: 1; }
.post-card:hover .post-card-icon { transform: scale(1.2) rotate(5deg); }
.post-card-body { padding: 24px 24px 28px; }
.post-card-meta { margin-bottom: 10px; display: flex; justify-content: space-between; align-items: center; }
.post-card-category {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--accent); letter-spacing: 0.06em; text-transform: uppercase;
}
.post-card-date { font-size: 12px; color: var(--text-faint); }
.post-card-title {
  font-family: var(--font-serif); font-size: 22px;
  font-weight: 400; line-height: 1.25; margin-bottom: 12px;
  transition: color 0.3s;
}
.post-card:hover .post-card-title { color: var(--accent); }
.post-card-excerpt { font-size: 14px; color: var(--text-faint); line-height: 1.55; margin-bottom: 20px; }
.post-card-footer { display: flex; justify-content: space-between; align-items: center; }
.post-card-tags { display: flex; gap: 6px; }
.post-card-read-time { font-size: 12px; color: var(--text-faint); }
.tag {
  font-family: var(--font-mono); font-size: 11px;
  padding: 4px 10px; border-radius: 100px;
  background: var(--border); color: var(--text-dim);
  transition: all 0.3s;
}
.tag:hover { background: var(--accent-dim); color: var(--accent); }

/* --- Section Header --- */
.section-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 8px; flex-wrap: wrap; gap: 16px;
}
.section-header-right { font-size: 13px; }

/* --- Category Pills --- */
.category-bar { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 8px; margin-bottom: 8px; }
.category-pill {
  font-family: var(--font-sans); font-size: 13px; font-weight: 500;
  background: transparent; color: var(--text-dim); border: 1px solid var(--border);
  padding: 8px 20px; border-radius: 100px; cursor: pointer;
  transition: all 0.3s; white-space: nowrap;
}
.category-pill:hover { border-color: var(--border-hover); color: var(--text); }
.category-pill.active { background: var(--accent); color: var(--bg); border-color: var(--accent); font-weight: 600; }

/* --- Tools Grid (Comparison Section) --- */
.tools-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px; margin-top: 20px;
}
.tool-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px; transition: all 0.3s var(--transition);
  position: relative;
}
.tool-card:hover { border-color: var(--border-hover); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0,0,0,0.25); }
.tool-card-badge {
  position: absolute; top: 16px; right: 16px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em;
  padding: 4px 10px; border-radius: 100px; text-transform: uppercase;
}
.tool-card-icon { font-size: 36px; margin-bottom: 16px; display: block; }
.tool-card-name { font-family: var(--font-serif); font-size: 20px; margin-bottom: 4px; }
.tool-card-tagline { font-size: 13px; color: var(--text-dim); margin-bottom: 16px; line-height: 1.5; }
.tool-card-meta { display: flex; justify-content: space-between; padding-top: 16px; border-top: 1px solid var(--border); }
.tool-card-meta-item { text-align: center; }
.tool-card-meta-label { font-size: 11px; color: var(--text-faint); display: block; margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.06em; }
.tool-card-meta-value { font-family: var(--font-mono); font-size: 14px; font-weight: 500; }
.tool-card-meta-value.highlight { color: var(--accent); }

/* --- Rating Stars --- */
.rating { display: inline-flex; gap: 2px; }
.rating-star { color: var(--accent); font-size: 14px; }
.rating-star.empty { color: var(--border); }

/* --- Pros / Cons --- */
.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
.pros-list, .cons-list { padding: 20px; border-radius: 14px; }
.pros-list { background: rgba(17,153,142,0.08); border: 1px solid rgba(17,153,142,0.2); }
.cons-list { background: rgba(245,87,108,0.08); border: 1px solid rgba(245,87,108,0.2); }
.pros-list h4 { color: var(--green); font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 12px; }
.cons-list h4 { color: var(--coral); font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 12px; }
.pros-list li, .cons-list li { font-size: 14px; color: var(--text-muted); margin-bottom: 8px; line-height: 1.5; }

/* --- Info Grid (Revenue Streams) --- */
.info-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px; background: var(--border); border-radius: 20px; overflow: hidden;
}
.info-card {
  background: var(--bg-card); padding: 32px; text-align: center;
  transition: all 0.3s;
}
.info-card:hover { background: var(--bg-card-hover); }
.info-icon { font-size: 32px; display: block; margin-bottom: 14px; }
.info-title { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.info-desc { font-size: 13px; color: var(--text-faint); line-height: 1.55; }
.info-value { font-family: var(--font-mono); font-size: 20px; color: var(--accent); display: block; margin-top: 10px; }

/* --- Testimonials / Social Proof --- */
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-top: 20px; }
.testimonial-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px; position: relative;
}
.testimonial-quote { font-family: var(--font-serif); font-size: 52px; color: var(--accent); line-height: 1; position: absolute; top: 16px; right: 20px; opacity: 0.3; }
.testimonial-text { font-size: 15px; color: var(--text-muted); line-height: 1.65; margin-bottom: 16px; font-style: italic; }
.testimonial-author { font-size: 14px; font-weight: 600; }
.testimonial-role { font-size: 12px; color: var(--text-faint); }

/* --- CTA Banner --- */
.cta-banner {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 24px; padding: clamp(40px, 6vw, 72px);
  text-align: center; position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
  pointer-events: none;
}
.cta-banner::after {
  content: ''; position: absolute; bottom: -30%; left: -10%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(102,126,234,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.cta-banner-inner { position: relative; z-index: 1; }

/* --- Affiliate Link Box --- */
.affiliate-box {
  background: linear-gradient(135deg, var(--bg-card), var(--bg-elevated));
  border: 1px solid var(--border); border-radius: 16px;
  padding: 24px; margin: 24px 0; display: flex;
  align-items: center; gap: 20px; transition: all 0.3s;
}
.affiliate-box:hover { border-color: var(--accent); box-shadow: 0 8px 32px rgba(0,0,0,0.2); }
.affiliate-box-icon { font-size: 40px; min-width: 48px; text-align: center; }
.affiliate-box-body { flex: 1; }
.affiliate-box-title { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.affiliate-box-desc { font-size: 13px; color: var(--text-dim); line-height: 1.5; }
.affiliate-box-cta { white-space: nowrap; }

/* --- Article Page --- */
.article-header { text-align: center; padding: 80px clamp(16px, 4vw, 48px) 36px; }
.article-header-inner { max-width: 720px; margin: 0 auto; }
.article-title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5.5vw, 56px);
  font-weight: 400; line-height: 1.08;
  letter-spacing: -0.025em; margin: 14px 0 18px;
}
.article-excerpt { font-size: 19px; color: var(--text-dim); line-height: 1.5; margin-bottom: 24px; }
.article-meta { font-size: 14px; color: var(--text-faint); display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.article-tags { display: flex; gap: 8px; justify-content: center; margin-top: 18px; }
.article-hero {
  max-width: var(--content-width); margin: 0 auto 44px;
  height: 320px; border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.article-hero::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(transparent 60%, rgba(8,9,13,0.6));
  pointer-events: none;
}
.article-hero-icon { font-size: 88px; position: relative; z-index: 1; }

/* Reading Progress Bar */
.reading-progress {
  position: fixed; top: 68px; left: 0; height: 3px;
  background: var(--accent); z-index: 99;
  transition: width 0.1s; width: 0;
  box-shadow: 0 0 12px var(--accent-glow);
}

/* Article Content */
.article-content {
  max-width: var(--content-width); margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 24px);
  font-size: 17px; line-height: 1.85; color: var(--text-muted);
}
.article-content h2 {
  font-family: var(--font-serif); font-size: 30px; font-weight: 400;
  color: var(--text); margin: 56px 0 18px;
  padding-top: 32px; border-top: 1px solid var(--border);
}
.article-content h2:first-of-type { border-top: none; padding-top: 0; }
.article-content h3 {
  font-family: var(--font-serif); font-size: 23px; font-weight: 400;
  color: var(--text); margin: 40px 0 14px;
}
.article-content p { margin-bottom: 22px; }
.article-content a {
  color: var(--accent); text-decoration: underline;
  text-decoration-color: rgba(201,247,49,0.3);
  text-underline-offset: 3px; transition: all 0.3s;
}
.article-content a:hover { text-decoration-color: var(--accent); }
.article-content strong { color: var(--text); font-weight: 600; }
.article-content ul, .article-content ol { margin: 0 0 22px 24px; }
.article-content li { margin-bottom: 10px; }
.article-content blockquote {
  border-left: 3px solid var(--accent); padding: 20px 28px;
  margin: 28px 0; background: var(--bg-card);
  border-radius: 0 14px 14px 0; font-style: italic; color: var(--text);
  font-family: var(--font-serif); font-size: 19px; line-height: 1.6;
}
.article-content pre {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 14px; padding: 22px; overflow-x: auto;
  margin: 28px 0; font-family: var(--font-mono); font-size: 14px;
  line-height: 1.6;
}
.article-content code {
  font-family: var(--font-mono); font-size: 0.88em;
  background: var(--bg-card); padding: 2px 7px; border-radius: 4px;
  border: 1px solid var(--border);
}
.article-content pre code { border: none; padding: 0; background: none; }
.article-content img { border-radius: 14px; margin: 28px 0; }
.article-content table {
  width: 100%; border-collapse: collapse; margin: 28px 0; font-size: 15px;
}
.article-content th, .article-content td {
  padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--border);
}
.article-content th {
  color: var(--text); font-weight: 600; font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.06em;
  background: var(--bg-card);
}
.article-content tr:hover td { background: var(--bg-card); }

/* Affiliate Disclosure */
.affiliate-disclosure {
  max-width: var(--content-width); margin: 0 auto 36px;
  padding: 18px 22px; border-radius: 14px;
  background: var(--accent-dim); border: 1px solid rgba(201,247,49,0.12);
  font-size: 14px; color: var(--text-dim); line-height: 1.55;
  display: flex; align-items: center; gap: 12px;
}
.affiliate-disclosure strong { color: var(--accent); }
.affiliate-disclosure-icon { font-size: 20px; }

/* TOC */
.toc {
  max-width: var(--content-width); margin: 0 auto 44px;
  padding: 24px 28px; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: 16px;
}
.toc-title { font-family: var(--font-sans); font-size: 14px; font-weight: 600; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc li { margin-bottom: 10px; }
.toc a { font-size: 14px; color: var(--text-muted); transition: all 0.3s; display: flex; align-items: center; gap: 8px; }
.toc a::before { content: '→'; color: var(--text-ghost); transition: color 0.3s; }
.toc a:hover { color: var(--accent); }
.toc a:hover::before { color: var(--accent); }

/* Author Box */
.author-box {
  max-width: var(--content-width); margin: 52px auto;
  padding: 28px; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: 18px;
  display: flex; gap: 18px; align-items: center;
}
.author-avatar {
  width: 60px; height: 60px; min-width: 60px;
  border-radius: 50%; background: var(--accent-dim); border: 2px solid rgba(201,247,49,0.2);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 18px;
  color: var(--accent); font-weight: 600;
}
.author-name { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.author-bio { font-size: 14px; color: var(--text-dim); line-height: 1.55; }

/* Related Posts */
.related-posts { max-width: var(--max-width); margin: 52px auto; padding: 0 clamp(16px, 4vw, 48px); }
.related-heading { font-family: var(--font-serif); font-size: 26px; font-weight: 400; margin-bottom: 20px; }

/* --- Share Buttons --- */
.share-bar {
  max-width: var(--content-width); margin: 32px auto;
  display: flex; align-items: center; gap: 12px;
}
.share-label { font-size: 13px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.08em; }
.share-btn {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--bg-card); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.3s; font-size: 16px;
  color: var(--text-muted);
}
.share-btn:hover { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); }

/* --- Newsletter Section --- */
.newsletter-section {
  max-width: var(--max-width); margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px) 56px;
}
.newsletter-inner {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 24px; padding: clamp(44px, 6vw, 80px);
  text-align: center; position: relative; overflow: hidden;
}
.newsletter-inner::before {
  content: ''; position: absolute; top: -30%; right: -10%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
  pointer-events: none;
}
.newsletter-heading { font-family: var(--font-serif); font-size: clamp(30px, 4vw, 44px); font-weight: 400; line-height: 1.12; margin: 8px 0 18px; position: relative; }
.newsletter-heading em { font-style: italic; }
.newsletter-sub { font-size: 15px; color: var(--text-dim); max-width: 500px; margin: 0 auto 32px; line-height: 1.65; position: relative; }
.newsletter-form { display: flex; gap: 10px; max-width: 480px; margin: 0 auto; flex-wrap: wrap; position: relative; }
.newsletter-input {
  flex: 1; min-width: 200px;
  font-family: var(--font-sans); font-size: 15px;
  background: var(--bg); border: 1px solid var(--border-hover);
  color: var(--text); padding: 15px 22px; border-radius: 14px;
  outline: none; transition: all 0.3s;
}
.newsletter-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.newsletter-input::placeholder { color: var(--text-faint); }
.newsletter-fine { font-size: 12px; color: var(--text-ghost); margin-top: 18px; position: relative; }
.newsletter-count {
  font-family: var(--font-mono); font-size: 13px; color: var(--text-faint);
  margin-bottom: 8px; position: relative;
}

/* --- Footer --- */
.footer { border-top: 1px solid var(--border); }
.footer-inner {
  max-width: var(--max-width); margin: 0 auto;
  padding: clamp(48px, 6vw, 72px) clamp(16px, 4vw, 48px) 36px;
}
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; margin-bottom: 48px; }
.footer-tagline { font-size: 14px; color: var(--text-faint); margin-top: 14px; line-height: 1.6; max-width: 280px; }
.footer-heading {
  font-size: 12px; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 18px;
}
.footer-link { display: block; font-size: 14px; color: var(--text-faint); margin-bottom: 12px; transition: all 0.3s; }
.footer-link:hover { color: var(--accent); transform: translateX(4px); }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 28px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 12px; color: var(--text-ghost);
}
.footer-social { display: flex; gap: 12px; margin-top: 18px; }
.footer-social-link {
  width: 36px; height: 36px; border-radius: 10px; background: var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; transition: all 0.3s; color: var(--text-muted);
}
.footer-social-link:hover { background: var(--accent-dim); color: var(--accent); }

/* --- List Page --- */
.list-header { margin-bottom: 28px; }
.list-title { font-family: var(--font-serif); font-size: clamp(36px, 5vw, 52px); font-weight: 400; margin: 8px 0 12px; }
.list-desc { font-size: 17px; color: var(--text-dim); line-height: 1.5; max-width: 600px; }

/* --- Pagination --- */
.pagination { display: flex; justify-content: center; align-items: center; gap: 16px; margin-top: 44px; }
.pagination-info { font-size: 14px; color: var(--text-faint); }

/* --- Section CTA --- */
.section-cta { text-align: center; margin-top: 36px; }

/* --- Comparison Table --- */
.comparison-table { overflow-x: auto; margin: 28px 0; }
.comparison-table table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  border: 1px solid var(--border); border-radius: 14px; overflow: hidden;
}
.comparison-table th {
  background: var(--bg-elevated); padding: 14px 16px;
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text); font-weight: 600;
}
.comparison-table td { padding: 14px 16px; border-bottom: 1px solid var(--border); font-size: 14px; }
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tr:hover td { background: var(--bg-card); }

/* --- Responsive --- */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
  .featured-grid { grid-template-columns: 1fr; }
  .featured-image { min-height: 220px; }
  .nav-links { display: none; }
  .article-content { font-size: 16px; }
  .tools-grid { grid-template-columns: 1fr; }
  .pros-cons { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-trust { flex-direction: column; gap: 12px; }
  .affiliate-box { flex-direction: column; text-align: center; }
  .testimonial-grid { grid-template-columns: 1fr; }
}
@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}

/* --- Layout with Sidebar --- */
.layout-with-sidebar {
  max-width: var(--max-width); margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px);
  display: grid; grid-template-columns: 1fr 340px; gap: 40px;
  align-items: start;
}
.layout-main { min-width: 0; }
.section-inner { padding: 40px 0; }

/* --- Sidebar --- */
.sidebar { position: sticky; top: 88px; padding: 40px 0; }
.sidebar-widget {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 24px; margin-bottom: 20px;
  transition: border-color 0.3s;
}
.sidebar-widget:hover { border-color: var(--border-hover); }
.sidebar-widget-dark { background: var(--bg-elevated); }
.sidebar-widget-accent {
  background: var(--accent); border-color: var(--accent);
}
.sidebar-widget-header { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.sidebar-widget-title {
  font-family: var(--font-sans); font-size: 15px;
  font-weight: 600; margin-bottom: 14px;
}
.sidebar-widget-header .sidebar-widget-title { margin-bottom: 0; }
.sidebar-widget-desc { font-size: 13px; color: var(--text-dim); margin-bottom: 14px; line-height: 1.5; }

/* News Feed */
.news-feed { max-height: 380px; overflow-y: auto; }
.news-feed::-webkit-scrollbar { width: 4px; }
.news-feed::-webkit-scrollbar-track { background: transparent; }
.news-feed::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.news-item {
  display: block; padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.3s; text-decoration: none;
}
.news-item:last-child { border-bottom: none; }
.news-item:hover { padding-left: 8px; }
.news-item-source {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--accent); text-transform: uppercase;
  letter-spacing: 0.08em; display: block; margin-bottom: 4px;
}
.news-item-title {
  font-size: 14px; font-weight: 500; line-height: 1.4;
  color: var(--text); display: block; margin-bottom: 4px;
  transition: color 0.3s;
}
.news-item:hover .news-item-title { color: var(--accent); }
.news-item-time { font-size: 11px; color: var(--text-faint); }
.news-loading { font-size: 13px; color: var(--text-faint); text-align: center; padding: 20px 0; }
.news-sources { font-size: 10px; color: var(--text-ghost); margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--border-subtle); }

/* Trending List */
.trending-list { display: flex; flex-direction: column; gap: 2px; }
.trending-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 8px; border-radius: 10px;
  transition: all 0.3s; text-decoration: none;
}
.trending-item:hover { background: var(--accent-dim); }
.trending-rank {
  font-family: var(--font-mono); font-size: 13px;
  color: var(--text-ghost); font-weight: 600; min-width: 22px;
}
.trending-item:hover .trending-rank { color: var(--accent); }
.trending-info { flex: 1; min-width: 0; }
.trending-name { font-size: 14px; font-weight: 500; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.trending-meta { font-size: 12px; color: var(--text-faint); display: block; }
.trending-badge {
  font-family: var(--font-mono); font-size: 10px;
  padding: 3px 8px; border-radius: 100px; font-weight: 600;
  letter-spacing: 0.04em;
}
.trending-badge.up { background: rgba(17,153,142,0.15); color: #11998e; }
.trending-badge.new { background: var(--accent-dim); color: var(--accent); }
.trending-badge.steady { background: var(--border); color: var(--text-faint); }

/* Quick Compare Links */
.quick-compare-links { display: flex; flex-direction: column; gap: 8px; }
.quick-compare-link {
  font-size: 13px; color: var(--accent); padding: 8px 12px;
  background: var(--accent-dim); border-radius: 8px;
  transition: all 0.3s; display: block;
}
.quick-compare-link:hover { background: rgba(201,247,49,0.12); transform: translateX(4px); }

/* Sidebar Newsletter */
.sidebar-newsletter { display: flex; flex-direction: column; gap: 8px; }
.sidebar-newsletter-input {
  font-family: var(--font-sans); font-size: 14px;
  background: rgba(8,9,13,0.15); border: 1px solid rgba(8,9,13,0.2);
  color: var(--bg); padding: 12px 16px; border-radius: 10px; outline: none;
}
.sidebar-newsletter-input::placeholder { color: rgba(8,9,13,0.4); }
.sidebar-newsletter-input:focus { border-color: rgba(8,9,13,0.5); }
.sidebar-newsletter-btn {
  font-family: var(--font-sans); font-size: 13px; font-weight: 600;
  background: var(--bg); color: var(--accent); border: none;
  padding: 12px; border-radius: 10px; cursor: pointer;
  transition: all 0.3s; text-transform: uppercase; letter-spacing: 0.04em;
}
.sidebar-newsletter-btn:hover { background: var(--bg-card); }
.sidebar-newsletter-count { font-size: 11px; text-align: center; margin-top: 6px; }

/* Popular Posts */
.popular-post {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 0; border-bottom: 1px solid var(--border-subtle);
  transition: all 0.3s; text-decoration: none;
}
.popular-post:last-child { border-bottom: none; }
.popular-post:hover { padding-left: 4px; }
.popular-post-icon {
  width: 44px; height: 44px; min-width: 44px;
  border-radius: 10px; display: flex;
  align-items: center; justify-content: center; font-size: 20px;
}
.popular-post-info { min-width: 0; }
.popular-post-title {
  font-size: 13px; font-weight: 500; line-height: 1.3;
  display: block; display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
  transition: color 0.3s;
}
.popular-post:hover .popular-post-title { color: var(--accent); }
.popular-post-meta { font-size: 11px; color: var(--text-faint); display: block; margin-top: 2px; }

/* Tags Cloud */
.tags-cloud { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-count { font-size: 10px; opacity: 0.6; margin-left: 2px; }

/* Post grid in sidebar layout */
.post-grid-sidebar { grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); }

/* Sidebar responsive */
@media (max-width: 960px) {
  .layout-with-sidebar { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}

/* --- Print Styles --- */
@media print {
  .nav, .footer, .newsletter-section, .share-bar { display: none; }
  body { background: white; color: black; }
  .article-content a { color: black; }
}