/* ============ top-seo-tools.com ============ */
:root {
  --bg: #05060f;
  --bg2: #0a0d1e;
  --card: rgba(255, 255, 255, 0.04);
  --card-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --text: #eef0ff;
  --muted: #9aa3c0;
  --a1: #6366f1;
  --a2: #22d3ee;
  --a3: #d946ef;
  --star: #fbbf24;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --radius: 18px;
}
[data-theme="light"] {
  --bg: #f4f6fd;
  --bg2: #eaeefb;
  --card: rgba(255, 255, 255, 0.75);
  --card-hover: rgba(255, 255, 255, 0.95);
  --border: rgba(20, 30, 80, 0.1);
  --text: #131735;
  --muted: #5b6383;
  --shadow: 0 20px 50px rgba(30, 40, 100, 0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 130px; }
body {
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  overflow-x: hidden;
  transition: background 0.4s, color 0.4s;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ---------- top bar ---------- */
.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 28px;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; letter-spacing: -0.02em; }
.brand b { background: linear-gradient(90deg, var(--a1), var(--a2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--a1), var(--a2));
  position: relative; flex: none;
  box-shadow: 0 0 18px color-mix(in srgb, var(--a1) 55%, transparent);
}
.brand-mark::after {
  content: ""; position: absolute; inset: 7px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath d='M10 75 L38 45 L58 60 L90 25' stroke='white' stroke-width='14' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
}
.topnav { display: flex; gap: 4px; margin-left: auto; }
.topnav a { padding: 8px 14px; border-radius: 10px; font-size: 14px; color: var(--muted); transition: 0.2s; }
.topnav a:hover { color: var(--text); background: var(--card-hover); }
.theme-toggle {
  width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--border);
  background: var(--card); display: grid; place-items: center; transition: 0.2s; flex: none;
}
.theme-toggle:hover { background: var(--card-hover); transform: rotate(15deg); }
[data-theme="dark"] .tt-moon, [data-theme="light"] .tt-sun { display: none; }

/* ---------- hero ---------- */
.hero { position: relative; padding: 170px 24px 90px; text-align: center; overflow: hidden; }
.hero-inner { position: relative; z-index: 2; max-width: 900px; margin: 0 auto; }
.orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; animation: float 14s ease-in-out infinite; }
.orb-1 { width: 480px; height: 480px; background: var(--a1); top: -160px; left: -120px; }
.orb-2 { width: 420px; height: 420px; background: var(--a3); top: 40px; right: -140px; animation-delay: -5s; }
.orb-3 { width: 340px; height: 340px; background: var(--a2); bottom: -180px; left: 38%; animation-delay: -9s; }
[data-theme="light"] .orb { opacity: 0.25; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.08); }
  66% { transform: translate(-30px, 25px) scale(0.94); }
}
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 40%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 40%, black 30%, transparent 75%);
}
.hero-kicker {
  display: inline-block; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--a2); border: 1px solid color-mix(in srgb, var(--a2) 35%, transparent);
  background: color-mix(in srgb, var(--a2) 8%, transparent);
  padding: 7px 16px; border-radius: 100px; margin-bottom: 26px;
}
.hero h1 { font-size: clamp(38px, 6.5vw, 68px); line-height: 1.08; letter-spacing: -0.03em; font-weight: 800; }
.grad-text {
  background: linear-gradient(90deg, var(--a1), var(--a2), var(--a3), var(--a1));
  background-size: 300% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: gradShift 6s linear infinite;
  display: inline-block; min-width: 5ch;
}
@keyframes gradShift { to { background-position: 300% 0; } }
.hero-sub { max-width: 640px; margin: 22px auto 0; color: var(--muted); font-size: 18px; }

.hero-stats { display: flex; justify-content: center; gap: 54px; margin: 44px 0 40px; flex-wrap: wrap; }
.stat-num {
  display: block; font-size: 42px; font-weight: 800; letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--text), var(--muted));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-label { color: var(--muted); font-size: 14px; }

.hero-controls { display: flex; flex-direction: column; gap: 16px; align-items: center; }
.searchbox {
  display: flex; align-items: center; gap: 12px; width: min(560px, 100%);
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 15px 20px; color: var(--muted);
  backdrop-filter: blur(10px);
  transition: border-color 0.25s, box-shadow 0.25s;
}
.searchbox:focus-within {
  border-color: color-mix(in srgb, var(--a1) 60%, transparent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--a1) 15%, transparent);
}
.searchbox input { flex: 1; background: none; border: none; outline: none; color: var(--text); font-size: 16px; }
.searchbox input::placeholder { color: var(--muted); }
.price-filters { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.pf {
  padding: 8px 18px; border-radius: 100px; border: 1px solid var(--border);
  background: var(--card); color: var(--muted); font-size: 14px; transition: 0.2s;
}
.pf:hover { color: var(--text); border-color: var(--muted); }
.pf.active {
  background: linear-gradient(135deg, var(--a1), color-mix(in srgb, var(--a2) 70%, var(--a1)));
  color: #fff; border-color: transparent;
  box-shadow: 0 4px 20px color-mix(in srgb, var(--a1) 40%, transparent);
}

/* ---------- sections ---------- */
main > section, .group { max-width: 1240px; margin: 0 auto; padding: 40px 24px; }
.group-title {
  font-size: clamp(26px, 3.4vw, 36px); font-weight: 800; letter-spacing: -0.02em;
  display: flex; align-items: center; gap: 12px; margin-bottom: 10px;
}
.section-sub { color: var(--muted); max-width: 640px; margin-bottom: 28px; }

/* ---------- category ---------- */
.category { margin: 26px 0 46px; }
.cat-head {
  display: flex; align-items: center; gap: 16px; margin-bottom: 20px;
  padding: 16px 20px; border-radius: var(--radius);
  background: linear-gradient(90deg, color-mix(in srgb, var(--cat) 10%, transparent), transparent 60%);
  border: 1px solid color-mix(in srgb, var(--cat) 22%, transparent);
}
.cat-icon {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; font-size: 22px; flex: none;
  background: color-mix(in srgb, var(--cat) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--cat) 35%, transparent);
  box-shadow: 0 0 22px color-mix(in srgb, var(--cat) 25%, transparent);
}
.cat-head h3 { font-size: 21px; letter-spacing: -0.01em; }
.cat-head p { color: var(--muted); font-size: 14px; }
.cat-count {
  margin-left: auto; flex: none; font-size: 13px; color: var(--cat);
  border: 1px solid color-mix(in srgb, var(--cat) 40%, transparent);
  padding: 5px 12px; border-radius: 100px; white-space: nowrap;
}
.hot-tag {
  display: inline-block; vertical-align: 3px; margin-left: 8px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  background: linear-gradient(90deg, var(--a1), var(--a3)); color: #fff;
  padding: 3px 10px; border-radius: 100px;
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 50% { box-shadow: 0 0 18px color-mix(in srgb, var(--a3) 65%, transparent); } }
.category-hot .cat-head {
  background: linear-gradient(90deg, color-mix(in srgb, var(--a1) 14%, transparent), color-mix(in srgb, var(--a3) 8%, transparent));
}

/* ---------- grid & cards ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(272px, 1fr)); gap: 18px; }
.grid-uni { grid-template-columns: repeat(auto-fill, minmax(272px, 1fr)); }

.card {
  position: relative; height: 100%;
  display: flex; flex-direction: column; gap: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.25s ease, border-color 0.25s, box-shadow 0.25s, background 0.25s;
  transform-style: preserve-3d;
  will-change: transform;
}
.card:hover {
  background: var(--card-hover);
  border-color: color-mix(in srgb, var(--cat) 55%, transparent);
  box-shadow: 0 14px 44px color-mix(in srgb, var(--cat) 18%, transparent), var(--shadow);
}
.card-big { border-color: color-mix(in srgb, var(--a1) 30%, var(--border)); }
.card-big::before {
  content: ""; position: absolute; inset: -1px; border-radius: var(--radius); padding: 1px;
  background: linear-gradient(135deg, var(--a1), var(--a2), var(--a3));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0.55; pointer-events: none;
}

.card-head { display: flex; align-items: flex-start; gap: 12px; }
.logo {
  width: 44px; height: 44px; flex: none; border-radius: 12px;
  display: grid; place-items: center;
  font-weight: 800; font-size: 20px; color: #fff;
  background: linear-gradient(135deg, var(--cat), color-mix(in srgb, var(--cat) 45%, #000));
  box-shadow: 0 4px 14px color-mix(in srgb, var(--cat) 35%, transparent);
}
.card-title h3 { font-size: 17px; letter-spacing: -0.01em; }
.rating { display: flex; align-items: center; gap: 7px; margin-top: 2px; }
.stars { position: relative; font-size: 13px; line-height: 1; letter-spacing: 1px; }
.stars::before { content: "★★★★★"; color: color-mix(in srgb, var(--muted) 35%, transparent); }
.stars::after {
  content: "★★★★★"; position: absolute; inset: 0;
  color: var(--star); width: var(--pct); overflow: hidden; white-space: nowrap;
}
.rating-num { font-size: 12.5px; color: var(--muted); font-weight: 600; }

.badge {
  margin-left: auto; flex: none;
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 100px; white-space: nowrap;
}
.b-choice { background: linear-gradient(90deg, var(--a1), var(--a3)); color: #fff; }
.b-top { background: linear-gradient(90deg, #f59e0b, #ef4444); color: #fff; }
.b-value { background: color-mix(in srgb, #22c55e 18%, transparent); color: #4ade80; border: 1px solid color-mix(in srgb, #22c55e 45%, transparent); }
.b-free { background: color-mix(in srgb, #06b6d4 18%, transparent); color: #22d3ee; border: 1px solid color-mix(in srgb, #06b6d4 45%, transparent); }
.b-trend { background: color-mix(in srgb, #f97316 18%, transparent); color: #fb923c; border: 1px solid color-mix(in srgb, #f97316 45%, transparent); }
[data-theme="light"] .b-value { color: #15803d; }
[data-theme="light"] .b-free { color: #0e7490; }
[data-theme="light"] .b-trend { color: #c2410c; }

.price-row { display: flex; align-items: baseline; gap: 10px; font-size: 14px; }
.price-row strong { font-size: 15px; }
.price-row span { color: var(--muted); font-size: 12.5px; }

.features { list-style: none; display: flex; flex-direction: column; gap: 7px; flex: 1; }
.features li { position: relative; padding-left: 20px; font-size: 13.5px; color: var(--muted); }
.features li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--cat); font-weight: 700;
}

.card-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding-top: 12px; border-top: 1px solid var(--border);
}
.bestfor { font-size: 12px; color: var(--muted); }
.bestfor b { color: var(--text); font-weight: 600; }
.visit {
  flex: none; font-size: 13px; font-weight: 600; color: var(--cat);
  padding: 6px 12px; border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--cat) 40%, transparent);
  transition: 0.2s;
}
.visit:hover { background: var(--cat); color: #fff; box-shadow: 0 4px 16px color-mix(in srgb, var(--cat) 45%, transparent); }

/* ---------- AI era band ---------- */
.ai-era { padding: 20px 24px; }
.ai-era-inner {
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 36px; align-items: center;
  border-radius: 26px; padding: 44px 48px;
  background:
    radial-gradient(ellipse 60% 120% at 0% 50%, color-mix(in srgb, var(--a1) 22%, transparent), transparent),
    radial-gradient(ellipse 60% 120% at 100% 50%, color-mix(in srgb, var(--a3) 16%, transparent), transparent),
    var(--bg2);
  border: 1px solid color-mix(in srgb, var(--a1) 30%, var(--border));
}
.ai-era-text h2 { font-size: clamp(24px, 3vw, 32px); letter-spacing: -0.02em; margin-bottom: 12px; }
.ai-era-text p { color: var(--muted); }
.ai-era-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ai-stat {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 18px;
  backdrop-filter: blur(8px);
}
.ai-stat b {
  display: block; font-size: 30px; font-weight: 800; letter-spacing: -0.02em;
  background: linear-gradient(90deg, var(--a2), var(--a1));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.ai-stat span { font-size: 12.5px; color: var(--muted); }

/* ---------- category nav ---------- */
.catnav {
  position: sticky; top: 66px; z-index: 40;
  max-width: none !important; padding: 10px 0 !important; margin: 10px 0 !important;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-block: 1px solid var(--border);
}
.catnav-scroll {
  display: flex; gap: 8px; overflow-x: auto; padding: 4px 24px;
  max-width: 1240px; margin: 0 auto;
  scrollbar-width: none;
}
.catnav-scroll::-webkit-scrollbar { display: none; }
.pill {
  flex: none; font-size: 13px; padding: 7px 14px; border-radius: 100px;
  border: 1px solid var(--border); background: var(--card); color: var(--muted);
  transition: 0.2s; white-space: nowrap;
}
.pill:hover { color: var(--text); border-color: color-mix(in srgb, var(--cat) 55%, transparent); }
.pill.active {
  color: #fff; border-color: transparent;
  background: linear-gradient(135deg, var(--cat), color-mix(in srgb, var(--cat) 55%, #000));
  box-shadow: 0 4px 16px color-mix(in srgb, var(--cat) 35%, transparent);
}
[data-theme="light"] .pill.active { color: #fff; }

/* ---------- no results ---------- */
.no-results { text-align: center; padding: 60px 24px !important; color: var(--muted); }
.no-results button {
  margin-top: 16px; padding: 10px 22px; border-radius: 100px; border: none;
  background: linear-gradient(135deg, var(--a1), var(--a2)); color: #fff; font-weight: 600;
}

/* ---------- method ---------- */
.method-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 24px; }
.m-item {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; transition: 0.25s;
}
.m-item:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--a2) 45%, transparent); }
.m-item span { font-size: 28px; }
.m-item h3 { margin: 10px 0 6px; font-size: 17px; }
.m-item p { color: var(--muted); font-size: 14px; }

/* ---------- faq ---------- */
.faq details {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 18px 22px; margin-top: 12px; transition: 0.25s;
}
.faq details[open] { border-color: color-mix(in srgb, var(--a1) 45%, transparent); }
.faq summary { font-weight: 600; cursor: pointer; list-style: none; position: relative; padding-right: 30px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: -2px; font-size: 22px; color: var(--a2); transition: 0.25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin-top: 10px; color: var(--muted); font-size: 14.5px; }

/* ---------- blog post ---------- */
.blog-page { padding-top: 72px; }
.blog-hero {
  max-width: 1112px;
  margin: 0 auto;
  padding: 108px 24px 30px;
}
.blog-hero h1 {
  max-width: 820px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.03em;
  font-weight: 800;
}
.blog-lede {
  max-width: 728px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 19px;
}
.affiliate-note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}
.affiliate-note a {
  color: var(--a2);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.hero-affiliate-note {
  max-width: 700px;
  margin-top: 18px;
}
.blog-disclosure,
.blog-tools-disclosure {
  margin: 8px 0 16px;
  font-size: 12.5px;
}
.blog-tools-disclosure { margin-bottom: 18px; }
.static-page-content {
  max-width: 820px;
}
.static-page-content .blog-chapter {
  margin-top: 0;
}
.static-page-content code {
  padding: 2px 6px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg2);
  color: var(--text);
  font-size: 0.92em;
}
.policy-updated {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}
.static-faq {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}
.static-faq details {
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
}
.static-faq details[open] {
  border-color: color-mix(in srgb, var(--a2) 42%, transparent);
}
.static-faq summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 800;
}
.static-faq p {
  margin-top: 12px;
}
.blog-index-hero { padding-bottom: 22px; }
.blog-index-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.blog-card {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--card), color-mix(in srgb, var(--card) 70%, transparent));
  transition: transform 0.25s, border-color 0.25s, background 0.25s;
}
.blog-card:hover,
.blog-card:focus-visible {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--a2) 48%, transparent);
  background: var(--card-hover);
}
.blog-card:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--a2) 55%, transparent);
  outline-offset: 3px;
}
.blog-card-tag {
  width: max-content;
  padding: 6px 10px;
  border: 1px solid color-mix(in srgb, var(--a2) 35%, transparent);
  border-radius: 999px;
  color: var(--a2);
  background: color-mix(in srgb, var(--a2) 10%, transparent);
  font-size: 12px;
  font-weight: 700;
}
.blog-card h2 {
  margin: 18px 0 12px;
  font-size: clamp(21px, 2.4vw, 28px);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.blog-card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}
.blog-card-cta {
  margin-top: auto;
  padding-top: 22px;
  color: var(--a2);
  font-weight: 800;
}
.blog-shell {
  max-width: 1112px;
  margin: 0 auto;
  padding: 16px 24px 42px;
}
.blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 728px) 300px;
  gap: 36px;
  align-items: start;
}
.blog-post { min-width: 0; }
.blog-chapter { margin: 36px 0; }
.blog-post h2 {
  margin: 0 0 14px;
  font-size: clamp(25px, 3vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.blog-post h3 {
  margin: 24px 0 10px;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.blog-post p {
  margin-top: 14px;
  color: color-mix(in srgb, var(--text) 82%, var(--muted));
  font-size: 16.5px;
}
.blog-post ul,
.blog-post ol {
  margin: 16px 0 0;
  padding-left: 24px;
  color: color-mix(in srgb, var(--text) 78%, var(--muted));
}
.blog-post li + li { margin-top: 8px; }
.blog-post > .blog-chapter a {
  color: var(--a2);
  font-weight: 650;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--a2) 75%, transparent);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  transition: color 0.2s, text-decoration-color 0.2s;
}
.blog-post > .blog-chapter a:hover,
.blog-post > .blog-chapter a:focus-visible {
  color: var(--text);
  text-decoration-color: var(--a2);
}
.blog-post > .blog-chapter a:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--a2) 55%, transparent);
  outline-offset: 3px;
  border-radius: 4px;
}
.blog-post blockquote {
  margin: 24px 0;
  padding: 20px 22px;
  border-left: 3px solid var(--a2);
  border-radius: 0 14px 14px 0;
  background: var(--card);
  color: var(--text);
  font-weight: 600;
}
.blog-figure { margin: 0 0 26px; }
.blog-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg2);
}
.blog-figure figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}
.blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 34px;
}
.blog-meta span {
  padding: 6px 12px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
}
.blog-table-wrap {
  overflow-x: auto;
  margin-top: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
}
.blog-post table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}
.blog-post th,
.blog-post td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}
.blog-post th {
  color: var(--text);
  background: color-mix(in srgb, var(--a1) 14%, transparent);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.blog-post td { color: var(--muted); }
.blog-post tbody tr:last-child td { border-bottom: 0; }

.blog-sidebar { width: 300px; }
.blog-sidebar-inner {
  position: sticky;
  top: 92px;
}
.blog-sidebar-inner h2 {
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.blog-sidebar-inner > p {
  margin: 8px 0 16px;
  color: var(--muted);
  font-size: 13.5px;
}
.blog-sidebar-list {
  display: grid;
  gap: 14px;
}
.blog-sidebar .card,
.blog-mobile-tools .card {
  padding: 15px;
  border-radius: 14px;
  gap: 10px;
}
.blog-sidebar .card-head,
.blog-mobile-tools .card-head {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}
.blog-sidebar .logo,
.blog-mobile-tools .logo {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  font-size: 17px;
}
.blog-sidebar .card-title,
.blog-mobile-tools .card-title {
  min-width: 0;
}
.blog-sidebar .badge,
.blog-mobile-tools .badge {
  justify-self: end;
  margin-left: 0;
}
.blog-sidebar .card-title h3,
.blog-mobile-tools .card-title h3 {
  font-size: 15px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}
.blog-sidebar .price-row,
.blog-mobile-tools .price-row {
  flex-direction: column;
  gap: 2px;
}
.blog-sidebar .features li,
.blog-mobile-tools .features li { font-size: 12.5px; }
.blog-sidebar .card-foot,
.blog-mobile-tools .card-foot {
  flex-direction: column;
  align-items: flex-start;
}
.blog-sidebar .visit,
.blog-mobile-tools .visit {
  width: 100%;
  text-align: center;
}

.blog-mobile-tools {
  display: none;
  margin: 34px 0;
  padding: 20px;
  border: 1px solid color-mix(in srgb, var(--a2) 25%, var(--border));
  border-radius: 22px;
  background:
    radial-gradient(ellipse 90% 120% at 0% 0%, color-mix(in srgb, var(--a2) 10%, transparent), transparent),
    var(--bg2);
}
.blog-tools-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.blog-tools-head span {
  font-weight: 800;
  letter-spacing: -0.01em;
}
.blog-tools-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--border); background: var(--bg2); padding: 48px 24px 28px; margin-top: 60px; }
.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.7fr);
  gap: 56px;
  align-items: start;
}
.f-brand p { color: var(--muted); font-size: 14px; margin-top: 12px; max-width: 320px; }
.f-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr));
  gap: 28px;
  align-content: start;
}
.f-col {
  display: grid;
  gap: 10px;
  align-content: start;
}
.f-col h3 {
  margin: 0 0 4px;
  color: var(--text);
  font-size: 13px;
  letter-spacing: 0;
}
.f-links a { color: var(--muted); font-size: 14px; transition: 0.2s; }
.f-links a:hover { color: var(--text); }
.f-legal { max-width: 1240px; margin: 36px auto 0; color: var(--muted); font-size: 12.5px; opacity: 0.8; }

/* ---------- to top ---------- */
.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 45;
  width: 46px; height: 46px; border-radius: 14px; border: 1px solid var(--border);
  background: var(--card); color: var(--text); font-size: 18px;
  backdrop-filter: blur(10px);
  opacity: 0; pointer-events: none; transform: translateY(10px);
  transition: 0.3s;
}
.to-top.show { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { background: linear-gradient(135deg, var(--a1), var(--a2)); color: #fff; border-color: transparent; }

/* ---------- reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 1120px) {
  .blog-layout {
    grid-template-columns: minmax(0, 728px);
    justify-content: center;
  }
  .blog-sidebar { display: none; }
  .blog-mobile-tools { display: block; }
}
@media (max-width: 900px) {
  .topnav { display: none; }
  .ai-era-inner { grid-template-columns: 1fr; padding: 32px 26px; }
  .ai-era-stats { grid-template-columns: 1fr 1fr; }
  .hero { padding-top: 130px; }
  .hero-stats { gap: 32px; }
  html { scroll-padding-top: 116px; }
  .blog-hero { padding-top: 82px; }
  .footer-inner { grid-template-columns: 1fr; gap: 34px; }
  .f-links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .cat-head { flex-wrap: wrap; }
  .cat-count { display: none; }
  .stat-num { font-size: 32px; }
  .ai-era-stats { grid-template-columns: 1fr; }
  .blog-page { padding-top: 66px; }
  .blog-hero { padding: 68px 20px 20px; }
  .blog-shell { padding: 8px 20px 30px; }
  .blog-hero h1 { font-size: clamp(32px, 9vw, 44px); }
  .blog-lede { font-size: 17px; }
  .blog-index-grid { grid-template-columns: 1fr; }
  .blog-card { min-height: 0; padding: 20px; }
  .blog-chapter { margin: 30px 0; }
  .f-links { grid-template-columns: 1fr; }
  .blog-mobile-tools {
    padding: 14px;
    border-radius: 18px;
  }
  .blog-mobile-tools .card { padding: 14px; }
  .blog-tools-grid { grid-template-columns: 1fr; }
  .blog-post table { min-width: 600px; }
}
@media (max-width: 420px) {
  .blog-sidebar .card-head,
  .blog-mobile-tools .card-head {
    grid-template-columns: 38px minmax(0, 1fr);
  }
  .blog-sidebar .badge,
  .blog-mobile-tools .badge {
    grid-column: 2;
    justify-self: start;
  }
}