/* landing.css — estilos específicos de la landing pública */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--nav-bg);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base);
}
.site-nav.scrolled { border-bottom-color: var(--border-tertiary); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 0.85rem 0;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.4rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1;
}
.nav-logo:hover { color: var(--text-primary); }
.nav-logo .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--logo-dot);
  margin-left: 3px;
  margin-bottom: 1px;
}

.nav-links {
  display: flex;
  gap: var(--space-5);
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}
.nav-links a:hover { color: var(--text-primary); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.hero {
  padding: var(--space-12) 0 var(--space-10);
  text-align: center;
}
.hero h1 {
  font-size: clamp(2.5rem, 5vw + 1rem, 3.6rem);
  margin-bottom: var(--space-5);
  letter-spacing: -0.02em;
}
.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-6);
  line-height: 1.55;
}
.hero-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-3);
}
.hero-meta { font-size: 0.85rem; color: var(--text-tertiary); }

.section {
  padding: var(--space-10) 0;
  border-top: 1px solid var(--border-tertiary);
}
.section-header { text-align: center; margin-bottom: var(--space-8); }
.section-header h2 { margin-bottom: var(--space-3); }
.section-header p { color: var(--text-secondary); max-width: 600px; margin: 0 auto; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.step {
  text-align: left;
  padding: var(--space-5);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-tertiary);
  border-radius: var(--radius-lg);
}
.step-num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: var(--space-2);
  line-height: 1;
}
.step h3 { font-size: 1.1rem; margin-bottom: var(--space-2); }
.step p { color: var(--text-secondary); font-size: 0.95rem; margin: 0; }

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.feature {
  padding: var(--space-5);
  border: 1px solid var(--border-tertiary);
  border-radius: var(--radius-lg);
  background-color: var(--bg-secondary);
}
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background-color: var(--accent-soft);
  color: var(--accent);
  margin-bottom: var(--space-3);
}
.feature-icon svg { width: 20px; height: 20px; }
.feature h3 { font-size: 1.05rem; margin-bottom: var(--space-2); }
.feature p { color: var(--text-secondary); font-size: 0.95rem; margin: 0; }

.pricing-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-pill);
  margin: 0 auto var(--space-6);
}
.pricing-toggle button {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-weight: 500;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.pricing-toggle button.active {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  align-items: stretch;
}
.plan {
  padding: var(--space-6);
  border: 1px solid var(--border-tertiary);
  border-radius: var(--radius-lg);
  background-color: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  position: relative;
}
.plan.featured {
  border-color: var(--accent);
  border-width: 2px;
  background-color: var(--bg-primary);
  box-shadow: var(--shadow-md);
}
.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--accent);
  color: var(--accent-contrast);
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.plan-name { font-family: var(--font-serif); font-size: 1.4rem; margin-bottom: var(--space-2); color: var(--text-primary); }
.plan-price {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: var(--space-1);
}
.plan-price .currency { font-size: 1.1rem; vertical-align: top; margin-right: 4px; color: var(--text-secondary); }
.plan-price .period { font-size: 0.95rem; color: var(--text-tertiary); font-family: var(--font-sans); font-weight: 400; }
.plan-tag { color: var(--text-tertiary); font-size: 0.9rem; margin-bottom: var(--space-4); }
.plan-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-5);
  flex: 1;
}
.plan-features li {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  padding: 0.4rem 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}
.plan-features li::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%230F766E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='3,8 7,12 13,4'/%3E%3C/svg%3E");
  flex-shrink: 0;
  margin-top: 4px;
}
html[data-theme="dark"] .plan-features li::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%235EEAD4' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='3,8 7,12 13,4'/%3E%3C/svg%3E");
}

.pricing-note { text-align: center; color: var(--text-tertiary); margin-top: var(--space-5); font-size: 0.9rem; }

.faq { max-width: 700px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border-tertiary);
  padding: var(--space-4) 0;
}
.faq-item summary {
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-primary);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--text-tertiary);
  transition: transform var(--transition-fast);
}
.faq-item[open] summary::after { content: "−"; }
.faq-item[open] summary { color: var(--accent); }
.faq-item p { margin-top: var(--space-3); color: var(--text-secondary); margin-bottom: 0; }

.cta-final {
  text-align: center;
  padding: var(--space-10) var(--space-5);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-xl);
  margin: var(--space-10) 0;
  border: 1px solid var(--border-tertiary);
}
.cta-final h2 { margin-bottom: var(--space-3); }
.cta-final p { color: var(--text-secondary); margin-bottom: var(--space-5); }

.site-footer {
  border-top: 1px solid var(--border-tertiary);
  padding: var(--space-8) 0 var(--space-6);
  margin-top: var(--space-8);
  color: var(--text-tertiary);
  font-size: 0.9rem;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}
.footer-brand { max-width: 280px; }
.footer-brand .nav-logo { font-size: 1.2rem; margin-bottom: var(--space-2); }
.footer-brand p { font-size: 0.9rem; color: var(--text-tertiary); margin: 0; }
.footer-links {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.footer-links a { color: var(--text-tertiary); }
.footer-links a:hover { color: var(--text-primary); }
.footer-bottom {
  text-align: center;
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-tertiary);
  font-size: 0.85rem;
}

@media (max-width: 820px) {
  .nav-links { display: none; }
  .steps, .features, .plans { grid-template-columns: 1fr; }
  .plan.featured { transform: none; }
  .hero { padding: var(--space-8) 0 var(--space-6); }
  .footer-grid { flex-direction: column; }
}
@media (max-width: 600px) {
  .hero h1 { font-size: 2.2rem; }
  .hero-subtitle { font-size: 1rem; }
}