:root {
  --ink: #1f2a2e;
  --ink-soft: #4b5a5f;
  --paper: #fafaf8;
  --line: #e2e4e0;
  --accent: #0f6e56;
  --accent-ink: #ffffff;
  --card-bg: #ffffff;
  --max-width: 720px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

.site-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
}

.site-logo {
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
  font-size: 18px;
}

.site-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.hero h1 {
  font-size: 28px;
  line-height: 1.25;
  margin: 0 0 12px;
}

.hero p {
  color: var(--ink-soft);
  font-size: 17px;
}

.article-list { list-style: none; padding: 0; margin: 24px 0; }
.article-list-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.article-list-item a {
  color: var(--ink);
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
}
.article-list-item a:hover { color: var(--accent); }
.article-list-item p { color: var(--ink-soft); margin: 6px 0 0; font-size: 15px; }

.article h1 { font-size: 30px; line-height: 1.25; }
.article-body { font-size: 17px; }
.article-body h2 { font-size: 22px; margin-top: 40px; }
.article-body p { margin: 16px 0; }

.product-comparison { margin-top: 48px; }
.product-comparison h2 { font-size: 22px; }

.product-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  margin: 16px 0;
}
.product-card h3 { margin: 0 0 4px; font-size: 18px; }
.product-card .brand { color: var(--ink-soft); font-weight: 400; font-size: 15px; }
.product-card .price { font-weight: 600; margin: 8px 0; }
.product-card .notes { color: var(--ink-soft); font-size: 15px; }

.cta-button {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  text-decoration: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
  margin-top: 8px;
}
.cta-button:hover { opacity: 0.9; }

.lead-form { margin-top: 16px; }
.lead-form input[type="email"] {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 15px;
  width: 100%;
  max-width: 320px;
}
.lead-form .website-field { position: absolute; left: -9999px; }

.lead-form-section {
  margin: 32px 0;
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.lead-form-section h2 { font-size: 19px; margin: 0 0 6px; }
.lead-form-section p { color: var(--ink-soft); font-size: 15px; margin: 0 0 14px; }
.lead-form-section .lead-form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 0;
}
.lead-form-section .lead-form button {
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  padding: 11px 18px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
}
.lead-form-section .lead-form button:hover { opacity: 0.9; }

.page-content h1 { font-size: 28px; line-height: 1.25; margin: 0 0 16px; }
.page-content h2 { font-size: 20px; margin: 28px 0 8px; }
.page-content p { margin: 12px 0; }
.page-content ul { padding-left: 20px; }
.page-content li { margin: 6px 0; }

.site-footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.site-footer-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 13px;
}
.site-footer-nav a:hover { color: var(--accent); }

.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 24px 48px;
  color: var(--ink-soft);
  font-size: 13px;
  border-top: 1px solid var(--line);
}

@media (max-width: 480px) {
  .hero h1 { font-size: 24px; }
  .article h1 { font-size: 24px; }
}