:root {
  --primary: #2e7d32;
  --primary-dark: #1b5e20;
  --primary-light: #e8f5e9;
  --bg: #ffffff;
  --bg-soft: #f5f5f7;
  --text: #3a3a3c;
  --heading: #1c1c1e;
  --muted: #6e6e73;
  --border: #e5e5ea;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #66bb6a;
    --primary-dark: #81c784;
    --primary-light: #1e3320;
    --bg: #121214;
    --bg-soft: #1c1c1f;
    --text: #d1d1d6;
    --heading: #f2f2f7;
    --muted: #98989d;
    --border: #2c2c30;
    --card: #1c1c1f;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text); background: var(--bg); line-height: 1.65;
}
a { color: var(--primary); }
img { max-width: 100%; height: auto; }
h1, h2, h3 { color: var(--heading); line-height: 1.25; }
h2 { font-size: 30px; margin-bottom: 14px; }
.center { text-align: center; }

/* Botones */
.btn {
  display: inline-block; background: var(--primary); color: #fff; padding: 12px 24px;
  border-radius: 999px; text-decoration: none; font-weight: 600; transition: transform .15s;
}
@media (prefers-color-scheme: dark) { .btn { color: #0b1f0c; } }
.btn:hover { transform: scale(1.04); }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-lg { padding: 16px 34px; font-size: 18px; }

/* Navegación */
.nav {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 16px 5%; background: var(--bg); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.logo { font-size: 22px; font-weight: 800; color: var(--primary); text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 20px; white-space: nowrap; }
.nav-links a:not(.btn) { color: var(--text); text-decoration: none; font-weight: 500; }

/* Hero */
.hero { padding: 80px 5% 50px; text-align: center; max-width: 900px; margin: 0 auto; }
.hero h1 { font-size: 46px; font-weight: 800; margin-bottom: 20px; }
.hero h1 span { color: var(--primary); }
.subtitle { font-size: 20px; color: var(--muted); margin-bottom: 30px; }
.hero-note { margin-top: 14px; font-size: 14px; color: var(--muted); }

/* Funciones */
.features { padding: 40px 5%; max-width: 1150px; margin: 0 auto; }
.feature { display: flex; align-items: center; gap: 60px; margin-bottom: 90px; }
.feature:nth-child(even) { flex-direction: row-reverse; }
.feature-text { flex: 1; }
.badge {
  display: inline-block; background: var(--primary-light); color: var(--primary);
  padding: 4px 14px; border-radius: 999px; font-weight: 700; font-size: 13px; margin-bottom: 14px;
}
.shot { flex: 1; display: flex; justify-content: center; }
.shot img { max-height: 560px; border: 1px solid var(--border); border-radius: 28px; box-shadow: 0 12px 40px rgba(0,0,0,.12); }
.shot-placeholder {
  width: 100%; min-height: 320px; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 30px; border: 2px dashed var(--border); border-radius: 24px;
  background: var(--bg-soft); color: var(--muted); font-size: 14px;
}

/* Precio */
.pricing { background: var(--bg-soft); padding: 80px 5%; text-align: center; }
.card {
  background: var(--card); max-width: 380px; margin: 30px auto 0; padding: 36px;
  border-radius: 20px; border: 2px solid var(--primary); text-align: left;
}
.card h3 { text-align: center; }
.price { font-size: 42px; font-weight: 800; color: var(--heading); text-align: center; margin: 10px 0 20px; }
.price span { font-size: 16px; font-weight: 400; color: var(--muted); }
.card ul { list-style: none; margin-bottom: 26px; }
.card li { padding: 6px 0 6px 26px; position: relative; }
.card li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 700; }
.card .btn { display: block; text-align: center; }

/* Blog */
.latest, .page { padding: 70px 5%; max-width: 1000px; margin: 0 auto; }
.latest h2 { text-align: center; margin-bottom: 30px; }
.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; margin: 30px 0; }
.post-card {
  display: block; padding: 24px; border: 1px solid var(--border); border-radius: 16px;
  text-decoration: none; color: var(--text); background: var(--card); transition: border-color .15s;
}
.post-card:hover { border-color: var(--primary); }
.post-card h3 { margin: 6px 0 8px; font-size: 19px; }
.post-date, .post-meta { font-size: 13px; color: var(--muted); }
.lead { font-size: 19px; color: var(--muted); margin: 10px 0 20px; }

.page h1, .post h1 { font-size: 38px; margin-bottom: 10px; }
.page h2, .post-body h2 { font-size: 24px; margin: 32px 0 10px; }
.page ul, .post-body ul, .post-body ol { margin: 10px 0 10px 22px; }
.page p, .post-body p { margin: 12px 0; }

.post { max-width: 720px; margin: 0 auto; padding: 50px 5% 70px; font-size: 18px; }
.post-body img { border-radius: 12px; margin: 16px 0; }
.post-cta {
  margin-top: 50px; padding: 26px; border-radius: 16px; background: var(--primary-light); text-align: center;
}
.post-cta p { margin-bottom: 16px; }
.disclaimer { margin-top: 24px; font-size: 14px; color: var(--muted); }

/* Pie */
.footer { background: #1c1c1e; color: #f2f2f7; padding: 40px 5%; text-align: center; font-size: 14px; }
.footer a { color: #a5d6a7; }
.footer-links { margin-top: 8px; }
.footer-note { margin-top: 12px; color: #98989d; font-size: 12px; }

@media (max-width: 768px) {
  .hero { padding-top: 50px; }
  .hero h1 { font-size: 32px; }
  .subtitle { font-size: 17px; }
  .feature, .feature:nth-child(even) { flex-direction: column; gap: 26px; margin-bottom: 60px; }
  .nav-links a:not(.btn) { display: none; }
  .page h1, .post h1 { font-size: 30px; }
}

/* Temas del blog */
.tag {
  display: inline-block; background: var(--primary-light); color: var(--primary);
  padding: 1px 10px; border-radius: 999px; font-weight: 700; font-size: 12px; margin-right: 8px;
}
.start-here { background: var(--bg-soft); border-radius: 20px; padding: 24px 24px 4px; margin: 30px 0; }
.start-here h2 { margin: 0; }
.topic-nav { display: flex; flex-wrap: wrap; gap: 10px; margin: 30px 0 10px; }
.topic-nav a {
  padding: 8px 18px; border: 1px solid var(--border); border-radius: 999px;
  text-decoration: none; color: var(--text); font-weight: 600;
}
.topic-nav a:hover { border-color: var(--primary); color: var(--primary); }
.topic { scroll-margin-top: 90px; }
.topic-desc { color: var(--muted); margin-top: -4px; }
.related { margin-top: 50px; }
.related h2 { font-size: 24px; }
.post-body blockquote {
  border-left: 4px solid var(--primary); background: var(--bg-soft);
  padding: 12px 18px; margin: 18px 0; border-radius: 0 12px 12px 0;
}
.post-body table { border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 16px; }
.post-body th, .post-body td { border-bottom: 1px solid var(--border); padding: 8px 10px; text-align: left; }
.links-intro { margin-bottom: 10px; }
.page li { margin: 8px 0; }

/* Preguntas frecuentes */
.faq { padding: 70px 5% 10px; max-width: 800px; margin: 0 auto; }
.faq h2 { text-align: center; margin-bottom: 24px; }
.faq details { border-bottom: 1px solid var(--border); padding: 16px 0; }
.faq summary { cursor: pointer; font-weight: 700; color: var(--heading); font-size: 18px; }
.faq details p { margin-top: 10px; }