:root {
  --ink: #111827;
  --ink-soft: #4b5563;
  --bg: #ffffff;
  --bg-soft: #f9fafb;
  --border: #e5e7eb;
  --accent: #143c32;
  --accent-dark: #0c261f;
  --accent-tint: #eaf3ee;
  --accent-lime: #c1d82f;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; }
p { margin: 0 0 16px; color: var(--ink-soft); }
a { color: inherit; }

.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(6px);
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.logo-icon { height: 32px; width: auto; border-radius: 7px; }
.logo-wordmark { height: 16px; width: auto; }
.site-header nav { display: flex; gap: 28px; }
.site-header nav a { text-decoration: none; color: var(--ink-soft); font-size: 14px; font-weight: 600; }
.site-header nav a:hover { color: var(--ink); }

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-small { padding: 8px 16px; font-size: 13px; }

.hero {
  padding: 96px 0 72px;
  text-align: center;
  background: linear-gradient(180deg, var(--accent-tint) 0%, var(--bg) 100%);
}
.hero-logo {
  width: 100%;
  max-width: 480px;
  height: auto;
  margin: 0 auto 32px;
  display: block;
}
.hero h1 {
  font-size: 42px;
  max-width: 760px;
  margin: 0 auto 20px;
  letter-spacing: -0.02em;
}
.hero .lede {
  font-size: 18px;
  max-width: 620px;
  margin: 0 auto 32px;
}
.hero-ctas { margin-bottom: 12px; }
.hero-note { font-size: 13px; color: #9ca3af; margin: 0; }

.features, .pricing, .faq { padding: 80px 0; }
.features { background: var(--bg-soft); }
.features h2, .pricing h2, .faq h2 {
  text-align: center;
  font-size: 30px;
  margin-bottom: 40px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.feature-card h3 { font-size: 17px; }
.feature-card p { margin: 0; font-size: 15px; }

.pricing-sub { text-align: center; margin-top: -24px; margin-bottom: 40px; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 640px;
  margin: 0 auto;
}
.price-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
}
.price-card-highlight { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 12px;
  border-radius: 999px;
}
.price-card h3 { font-size: 16px; color: var(--ink-soft); font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; }
.price {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.price span { font-size: 15px; font-weight: 600; color: var(--ink-soft); }
.discount-note { font-size: 13px; margin-bottom: 20px; }
.discount-note code {
  background: var(--accent-tint);
  color: var(--accent-dark);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
}
.price-card .btn { width: 100%; }

.faq-item { max-width: 680px; margin: 0 auto 28px; }
.faq-item h3 { font-size: 17px; }
.faq-item p { margin: 0; font-size: 15px; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  text-align: center;
}
.site-footer p { font-size: 13px; color: #9ca3af; margin: 0 0 6px; }

.guide-hero { padding: 72px 0 56px; }
.guide-steps { padding: 16px 0 80px; }
.guide-step { max-width: 680px; margin: 0 auto 36px; }
.guide-step h2 { font-size: 21px; }
.guide-step p { font-size: 15px; }
.guide-step code {
  background: var(--accent-tint);
  color: var(--accent-dark);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}

@media (max-width: 640px) {
  .site-header nav { display: none; }
  .hero h1 { font-size: 30px; }
  .feature-grid, .pricing-grid { grid-template-columns: 1fr; }
}