:root {
  --accent: #7d60a6;
  --accent-hover: #6b4f94;
  --accent-light: #856da6;
  --secondary: #7fa4cf;
  --bg: #fafafa;
  --card: #ffffff;
  --text: #2d3436;
  --muted: #636e72;
  --border: #dfe6e9;
  --code-bg: #f3eff8;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container { max-width: 720px; margin: 0 auto; padding: 0 24px; }

/* ---- Shared Nav ---- */
.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
  flex-wrap: wrap;
}
.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}
.site-nav a:hover { color: var(--accent); background: var(--code-bg); }
.site-nav a.active { color: var(--accent); font-weight: 600; }
.site-nav .nav-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-right: auto;
  color: var(--text);
  font-weight: 600;
  padding: 4px 0;
}
.site-nav .nav-brand:hover { color: var(--accent); background: none; }
.site-nav .nav-brand img { height: 22px; }
.site-nav .nav-sep { color: var(--border); font-size: 1.1rem; user-select: none; padding: 0; }
.site-nav .nav-home { font-size: 1.1rem; padding: 4px 6px; }

/* ---- Hero ---- */
.hero {
  text-align: center;
  padding: 72px 24px 40px;
}
.hero .logo { display: block; height: 56px; margin: 0 auto 28px; }
.hero h1 { font-size: 2.4rem; font-weight: 700; margin-bottom: 12px; }
.hero .tagline { font-size: 1.15rem; color: var(--muted); max-width: 540px; margin: 0 auto 36px; }

.hero-badges {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.85rem;
  color: var(--text);
}
.hero-badge .icon { font-size: 1rem; }

/* ---- Buttons ---- */
.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s, transform 0.1s;
}
.download-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}
.download-btn .icon { font-size: 1.2em; }

.download-note {
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ---- Sections ---- */
section { padding: 48px 0; }
section + section { border-top: 1px solid var(--border); }
section h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: 24px; }
section h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
  margin-top: 28px;
}
section p { margin-bottom: 12px; }

/* ---- Feature grid ---- */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 12px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
}
.feature-card .feature-icon { font-size: 1.6rem; margin-bottom: 8px; display: block; }
.feature-card strong { display: block; margin-bottom: 4px; }
.feature-card p { font-size: 0.95rem; color: var(--muted); margin: 0; }

/* ---- Comparison table ---- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 0.95rem;
}
.comparison-table th, .comparison-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.comparison-table th {
  background: var(--code-bg);
  font-weight: 600;
  font-size: 0.9rem;
}
.comparison-table td:first-child { font-weight: 500; }

/* ---- Tip ---- */
.tip {
  background: var(--code-bg);
  border-left: 4px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 20px 24px;
  margin-top: 16px;
}
.tip code {
  background: var(--card);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

/* ---- Steps ---- */
.steps {
  list-style: none;
  counter-reset: step;
}
.steps li {
  counter-increment: step;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}
.steps li::before {
  content: counter(step);
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}
.steps li .step-text { padding-top: 5px; }
.steps code {
  background: var(--card);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

/* ---- FAQ ---- */
.faq-item { margin-bottom: 20px; }
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  padding: 12px 0;
  list-style: none;
}
.faq-item summary::before {
  content: '+';
  display: inline-block;
  width: 24px;
  font-weight: 700;
  color: var(--accent);
}
.faq-item[open] summary::before { content: '\2212'; }
.faq-item .faq-answer {
  padding: 0 0 8px 24px;
  color: var(--muted);
}

/* ---- Share CTA ---- */
.share-cta {
  margin-left: auto;
  text-align: right;
  cursor: pointer;
  padding: 4px 12px;
  border-radius: 6px;
  transition: background 0.15s;
  text-decoration: none;
}
.share-cta:hover { background: var(--code-bg); }
.share-cta .share-prompt {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.2;
}
.share-cta .share-link {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
}

/* ---- Footer ---- */
footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}
footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }
footer .links { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; }

/* ---- Mobile ---- */
@media (max-width: 600px) {
  .hero { padding: 48px 16px 28px; }
  .hero h1 { font-size: 1.8rem; }
  .hero .tagline { font-size: 1rem; }
  section { padding: 32px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .comparison-table { font-size: 0.85rem; }
  .comparison-table th, .comparison-table td { padding: 8px 10px; }
  .site-nav { padding: 8px 16px; }
  .share-cta .share-prompt { display: none; }
}