/* Base */
body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  color: var(--color-ink);
  background: var(--color-paper);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-ink);
  color: var(--color-paper);
  padding: 0.75rem 1rem;
  z-index: 1000;
  border-radius: var(--radius-md);
}
.skip-link:focus { top: 1rem; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* Tipografía */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.display {
  font-size: var(--fs-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}
h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-md); font-family: var(--font-sans); font-weight: 600; }

p { color: var(--color-ink); }
.lead {
  font-size: var(--fs-md);
  color: var(--color-muted);
  max-width: 60ch;
  line-height: 1.6;
}
.eyebrow {
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-ochre);
  margin-bottom: var(--space-3);
}
.meta {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  margin-bottom: var(--space-2);
}

a { transition: color var(--t-fast); }
a:hover { color: var(--color-ochre); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 239, 230, 0.92);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--color-line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--fs-lg);
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 32px; height: 32px;
  background: var(--color-ink);
  color: var(--color-paper);
  border-radius: 50%;
  font-size: 18px;
}
.brand-name { letter-spacing: -0.01em; }

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}
.primary-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}
.primary-nav a {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-ink);
}
.primary-nav a:hover { color: var(--color-ochre); }
.nav-cta { display: inline-flex; }
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}
.nav-toggle-bar {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
  transition: transform var(--t-base), opacity var(--t-base);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Footer */
.site-footer {
  background: var(--color-ink);
  color: var(--color-paper);
  padding: var(--space-9) 0 var(--space-6);
  margin-top: var(--space-9);
}
.site-footer h4 {
  color: var(--color-paper);
  margin-bottom: var(--space-3);
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-7);
}
.brand-footer .brand-mark { background: var(--color-paper); color: var(--color-ink); }
.footer-tag { color: rgba(244,239,230,0.7); margin-top: var(--space-3); max-width: 32ch; }
.footer-links li { margin-bottom: var(--space-2); font-size: var(--fs-sm); }
.footer-links a { color: rgba(244,239,230,0.8); }
.footer-links a:hover { color: var(--color-ochre-soft); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(244,239,230,0.15);
  font-size: var(--fs-sm);
  color: rgba(244,239,230,0.6);
}
.footer-legal a { color: rgba(244,239,230,0.6); margin: 0 var(--space-2); }
.footer-legal a:hover { color: var(--color-paper); }

/* WhatsApp flotante */
.float-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px; height: 60px;
  background: var(--color-whatsapp);
  color: white;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  transition: transform var(--t-base), background var(--t-base);
}
.float-whatsapp:hover {
  background: var(--color-whatsapp-dark);
  transform: scale(1.08);
  color: white;
}
.float-whatsapp::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--color-whatsapp);
  animation: pulse-wa 2s infinite;
}
@keyframes pulse-wa {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.3); opacity: 0; }
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* Menú móvil */
@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .primary-nav {
    position: fixed;
    inset: 72px 0 0 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--color-paper);
    padding: var(--space-5);
    transform: translateX(100%);
    transition: transform var(--t-base);
    z-index: 49;
  }
  .primary-nav.is-open { transform: translateX(0); }
  .primary-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .primary-nav li { border-bottom: 1px solid var(--color-line); }
  .primary-nav a {
    display: block;
    padding: var(--space-4) 0;
    font-size: var(--fs-md);
  }
  .nav-cta {
    margin-top: var(--space-4);
    justify-content: center;
  }
}

.site-header.is-scrolled { box-shadow: var(--shadow-sm); }