:root {
  --green: #0a7d3a;
  --green-dark: #054d24;
  --green-light: #e7f5ec;
  --gray: #5a6a7a;
  --white: #ffffff;
  --border: #d9ecdf;
  --radius: 8px;
}

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

body {
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #1f2933;
  line-height: 1.6;
  background: var(--white);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

/* Header */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 14px 20px;
  gap: 12px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  color: var(--green-dark);
  font-weight: 600;
}
.logo:hover { text-decoration: none; }
.logo__icon { width: 180px; height: auto; }

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.95rem;
}
.main-nav a { color: #2c3e50; font-weight: 500; }
.main-nav a.active, .main-nav a:hover { color: var(--green); }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  color: var(--white);
  padding: 70px 0;
  text-align: center;
}
.hero h1 { font-size: 3.2rem; margin-bottom: 12px; }
.hero p.slogan { font-size: 1.2rem; opacity: 0.95; margin-bottom: 30px; }
.hero .cta-group {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--white);
  color: var(--green-dark);
}
.btn-primary:hover { background: var(--green-light); text-decoration: none; }
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover { background: rgba(255,255,255,0.12); text-decoration: none; }

/* Sections */
section { padding: 50px 0; }
section h2 {
  font-size: 1.6rem;
  color: var(--green-dark);
  margin-bottom: 24px;
  text-align: center;
}
section h2.left { text-align: left; }

/* Sections with light background */
.section-alt { background: var(--green-light); }

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--white);
  transition: box-shadow 0.15s, transform 0.15s;
}
.card:hover { box-shadow: 0 4px 16px rgba(10,125,58,0.12); transform: translateY(-2px); }
.card h3 { color: var(--green-dark); margin-bottom: 8px; }
.card p { color: var(--gray); font-size: 0.95rem; margin-bottom: 12px; }

/* Manifesto / article */
.article {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 0;
}
.article h1 { color: var(--green-dark); font-size: 1.9rem; margin-bottom: 8px; }
.article .meta { color: var(--gray); font-size: 0.9rem; margin-bottom: 24px; }
.article h2 { color: var(--green-dark); margin: 28px 0 12px; font-size: 1.35rem; }
.article h3 { color: var(--green-dark); margin: 22px 0 10px; font-size: 1.1rem; }
.article p { margin-bottom: 14px; }
.article ul, .article ol { margin: 0 0 14px 24px; }
.article li { margin-bottom: 6px; }

/* Blog list */
.post-list { display: flex; flex-direction: column; gap: 20px; }
.post-list .card .meta { font-size: 0.85rem; color: var(--gray); margin-bottom: 8px; }

/* Pillars / values grid */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.pillars-grid .card { text-align: center; }
.pillars-grid .icon { font-size: 2rem; margin-bottom: 10px; }

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  max-width: 640px;
  margin: 0 auto;
}
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 700px) {
  .form-grid { grid-template-columns: 1fr; }
}
.contact-form, .join-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 640px;
  margin: 0 auto;
}
.contact-form input,
.contact-form textarea,
.contact-form select,
.join-form input,
.join-form textarea,
.join-form select {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  width: 100%;
}
.contact-form label,
.join-form label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--green-dark);
  margin-bottom: 4px;
  display: block;
}
.contact-form button,
.join-form button {
  background: var(--green);
  color: var(--white);
  border: none;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  width: fit-content;
}
.contact-form button:hover,
.join-form button:hover { background: var(--green-dark); }
.form-note { font-size: 0.85rem; color: var(--gray); margin-top: 8px; }

/* FAQ con IA */
.faq-box {
  max-width: 680px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.faq-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 16px;
}
.faq-suggestions button {
  background: var(--green-light);
  color: var(--green-dark);
  border: 1px solid var(--green);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
  cursor: pointer;
}
.faq-suggestions button:hover { background: var(--green); color: var(--white); }
.faq-input-row {
  display: flex;
  gap: 10px;
}
.faq-input-row input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
}
.faq-input-row button {
  background: var(--green);
  color: var(--white);
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
}
.faq-input-row button:hover { background: var(--green-dark); }
.faq-input-row button:disabled { opacity: 0.6; cursor: default; }
.faq-answer {
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--green-light);
  border-radius: var(--radius);
  color: var(--green-dark);
  white-space: pre-wrap;
  display: none;
}
.faq-answer.visible { display: block; }
.faq-loading {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--green-light);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: faq-spin 0.8s linear infinite;
  vertical-align: middle;
}
@keyframes faq-spin { to { transform: rotate(360deg); } }

/* Donations */
.donation-box {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 24px;
  background: var(--green-light);
}
.donation-box h2 { margin-bottom: 12px; }
.donation-box p { color: var(--gray); margin-bottom: 24px; }
.paypal-btn {
  display: inline-block;
  background: #ffc439;
  color: #003087;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 14px 36px;
  border-radius: 999px;
}
.paypal-btn:hover { background: #f5b800; text-decoration: none; }

/* AdSense placeholder */
.ad-slot {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: #f6fbf8;
  color: #9aa9b8;
  text-align: center;
  padding: 24px 12px;
  font-size: 0.85rem;
  margin: 24px 0;
}
.ad-slot__label { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.7rem; }

/* Footer */
.site-footer {
  background: var(--green-dark);
  color: #d6efe0;
  margin-top: 40px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 30px;
  padding: 40px 20px;
}
@media (max-width: 800px) {
  .footer-inner { grid-template-columns: 1fr; }
}
.footer-col h3 { color: var(--white); font-size: 1rem; margin-bottom: 12px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 6px; }
.footer-col a { color: #bfe6cd; }
.footer-disclaimer { font-size: 0.8rem; color: #aedbc0; margin-top: 10px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 16px 20px;
  text-align: center;
  font-size: 0.85rem;
  color: #aedbc0;
}

/* Breadcrumbs */
.breadcrumbs {
  font-size: 0.85rem;
  color: var(--gray);
  padding: 16px 0;
}