:root {
  --blanco: #ffffff;
  --fondo: #f9f7f4;
  --fondo-alt: #f2ede8;
  --negro: #1a1a1a;
  --gris: #6b6b6b;
  --gris-claro: #d4cfc9;
  --acento: #8B3A3A;
  --acento-dark: #6e2e2e;
  --borde: #e8e2db;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Lato', sans-serif;
  background: var(--fondo);
  color: var(--negro);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: 'Spectral', serif; }

/* NAV */
nav {
  background: var(--negro);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 2px solid var(--acento);
}
.logo {
  font-family: 'Spectral', serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fondo);
  text-decoration: none;
  font-style: italic;
}
.logo em { color: #A593C2; font-style: normal; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a {
  color: var(--fondo);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 400;
  opacity: 0.75;
  transition: opacity 0.2s;
}
.nav-links a:hover { opacity: 1; }
.nav-links .nav-cta {
  background: var(--acento);
  color: var(--blanco);
  padding: 0.5rem 1.1rem;
  font-weight: 700;
  opacity: 1;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  transition: background 0.2s;
}
.nav-links .nav-cta:hover { background: var(--acento-dark); }

/* DROPDOWN */
.nav-dropdown-wrap { position: relative; }
.nav-dropdown-trigger { cursor: default; }
.nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding-top: 0.75rem;
  min-width: 210px;
  z-index: 200;
}
.nav-dropdown::before {
  content: '';
  position: absolute;
  top: 0.75rem;
  left: 0; right: 0; bottom: 0;
  background: var(--negro);
  border: 1px solid rgba(255,255,255,0.08);
  border-top: 2px solid var(--acento);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  z-index: -1;
}
.nav-dropdown a {
  display: block;
  padding: 0.7rem 1.25rem;
  font-size: 0.83rem;
  color: var(--fondo) !important;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  opacity: 0.85 !important;
  transition: background 0.15s, opacity 0.15s;
}
.nav-dropdown a:last-child { border-bottom: none; }
.nav-dropdown a:hover { background: rgba(255,255,255,0.06); opacity: 1 !important; }
.nav-dropdown-wrap:hover .nav-dropdown { display: block; }

/* HERO */
.hero-wrap {
  background: var(--negro);
  padding: 5rem 2rem 4rem;
}
.hero { max-width: 720px; margin: 0 auto; }
.tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--acento);
  border: 1px solid var(--acento);
  padding: 0.3rem 0.75rem;
  margin-bottom: 1.5rem;
}
h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--fondo);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 1.25rem;
}
h1 em { color: #A593C2; font-style: italic; }
.sub {
  font-size: 1.05rem;
  color: var(--gris-claro);
  line-height: 1.7;
  font-weight: 300;
  max-width: 580px;
  margin-bottom: 2rem;
}
.btn-primary {
  display: inline-block;
  background: var(--acento);
  color: var(--blanco);
  padding: 0.9rem 1.75rem;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: background 0.2s, transform 0.15s;
  margin-bottom: 1rem;
}
.btn-primary:hover { background: var(--acento-dark); transform: translateY(-1px); }
.hero-note { font-size: 0.78rem; color: var(--gris-claro); opacity: 0.7; }

/* STRIP */
.strip {
  background: var(--acento);
  padding: 0.85rem 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 2rem;
}
.strip span {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blanco);
  opacity: 0.9;
}

/* SECTIONS */
.section-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--acento);
  margin-bottom: 0.75rem;
}
h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

/* INCLUYE / NO INCLUYE */
.inc-wrap { background: var(--fondo-alt); padding: 5rem 2rem; }
.inc {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.check-list, .x-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 1.25rem;
}
.check-list li, .x-list li {
  font-size: 0.88rem;
  color: var(--negro);
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.5;
  font-weight: 300;
}
.check-list li::before { content: '✓'; position: absolute; left: 0; color: #7ab87a; font-weight: 700; }
.x-list li::before { content: '✕'; position: absolute; left: 0; color: var(--acento); font-weight: 700; }
.footnote-ref { color: var(--acento); font-weight: 700; }
.footnote {
  font-size: 0.75rem;
  color: var(--gris);
  margin-top: 1.5rem;
  line-height: 1.6;
  font-style: italic;
}

/* PACKS */
.packs { max-width: 900px; margin: 0 auto; padding: 5rem 2rem; }
.packs-note {
  font-size: 0.88rem;
  color: var(--negro);
  font-weight: 300;
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}
.packs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--borde);
  border: 1px solid var(--borde);
  margin-bottom: 1.5rem;
}
.pack-card {
  background: var(--fondo);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
}
.pack-destacado {
  background: var(--negro);
  border-top: 2px solid var(--acento);
}
.pack-badge {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--acento);
  margin-bottom: 0.25rem;
}
.pack-nombre {
  font-family: 'Spectral', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--negro);
}
.pack-destacado .pack-nombre { color: var(--fondo); }
.pack-precio {
  font-family: 'Spectral', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--acento);
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0.5rem 0 0;
}
.pack-periodo {
  font-size: 0.72rem;
  color: var(--gris);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 1rem;
}
.pack-destacado .pack-periodo { color: var(--gris-claro); }
.pack-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
  margin-bottom: 1.5rem;
}
.pack-items li {
  font-size: 0.83rem;
  color: var(--negro);
  font-weight: 300;
  padding-left: 1rem;
  position: relative;
  line-height: 1.45;
}
.pack-destacado .pack-items li { color: var(--gris-claro); }
.pack-items li::before { content: '—'; position: absolute; left: 0; color: var(--acento); }
.btn-pack {
  display: block;
  text-align: center;
  background: var(--acento);
  color: var(--blanco);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: background 0.2s, transform 0.15s;
  margin-top: auto;
}
.btn-pack:hover { background: var(--acento-dark); transform: translateY(-1px); }
.packs-custom {
  font-size: 0.83rem;
  color: var(--negro);
  font-weight: 300;
  text-align: center;
}
.packs-custom a { color: var(--acento); font-weight: 700; text-decoration: none; }
.packs-custom a:hover { text-decoration: underline; }

/* METODOLOGÍA */
.metodo-wrap { background: var(--negro); padding: 5rem 2rem; }
.metodo { max-width: 900px; margin: 0 auto; }
.metodo .section-label { color: #A593C2; }
.metodo h2 { color: var(--fondo); }
.metodo-sub {
  font-size: 0.9rem;
  color: var(--gris-claro);
  font-weight: 300;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}
.etapas {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.06);
}
.etapa {
  background: rgba(255,255,255,0.02);
  padding: 2rem;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 1.5rem;
  align-items: start;
  transition: background 0.15s;
}
.etapa:hover { background: rgba(255,255,255,0.04); }
.etapa-num {
  font-family: 'Spectral', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--acento);
  opacity: 0.35;
  line-height: 1;
}
.etapa-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--fondo);
  margin-bottom: 1rem;
}
.etapa-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.etapa-items li {
  font-size: 0.85rem;
  color: var(--gris-claro);
  font-weight: 300;
  padding-left: 1rem;
  position: relative;
  line-height: 1.55;
}
.etapa-items li::before { content: '—'; position: absolute; left: 0; color: var(--acento); opacity: 0.6; }
.etapa-items li strong { font-weight: 700; color: var(--fondo); }

/* ADICIONALES */
.adicionales { max-width: 900px; margin: 0 auto; padding: 5rem 2rem; }
.adicionales-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--borde);
  border: 1px solid var(--borde);
  margin-top: 2.5rem;
}
.adicional-card {
  background: var(--fondo);
  padding: 2rem 1.5rem;
  transition: background 0.15s;
}
.adicional-card:hover { background: var(--blanco); }
.adicional-precio {
  font-family: 'Spectral', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--acento);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.25rem;
}
.adicional-tipo {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gris);
  margin-bottom: 0.75rem;
}
.adicional-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; }
.adicional-card p { font-size: 0.85rem; color: var(--negro); font-weight: 300; line-height: 1.6; }

/* COMPLEMENTARIOS */
.comp-wrap { background: var(--fondo-alt); padding: 5rem 2rem; }
.comp { max-width: 900px; margin: 0 auto; }
.comp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--borde);
  border: 1px solid var(--borde);
  margin-top: 2.5rem;
}
.comp-item {
  background: var(--blanco);
  padding: 1.5rem;
  transition: background 0.15s;
}
.comp-item:hover { background: var(--fondo); }
.comp-item h3 { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.4rem; }
.comp-item p { font-size: 0.8rem; color: var(--negro); font-weight: 300; line-height: 1.55; }

/* CTA */
.cta-wrap { background: var(--negro); padding: 5rem 2rem; text-align: center; }
.cta { max-width: 540px; margin: 0 auto; }
.cta h2 { color: var(--fondo); margin-bottom: 1rem; }
.cta p { color: var(--gris-claro); font-weight: 300; margin-bottom: 2rem; line-height: 1.7; }
.btn-cta {
  display: inline-block;
  background: var(--acento);
  color: var(--blanco);
  padding: 1rem 2.25rem;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: background 0.2s, transform 0.15s;
  margin-bottom: 1rem;
}
.btn-cta:hover { background: var(--acento-dark); transform: translateY(-1px); }
.cta-note { font-size: 0.75rem; color: var(--gris-claro); opacity: 0.6; }

/* FOOTER */
footer {
  background: #111;
  padding: 3rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer-logo { font-family: 'Spectral', serif; font-size: 1rem; color: rgba(255,255,255,0.5); font-weight: 400; }
.footer-logo em { font-style: italic; color: #A593C2; }
.footer-social { display: flex; gap: 1.25rem; align-items: center; }
.footer-social a { opacity: 0.4; transition: opacity 0.2s; }
.footer-social a:hover { opacity: 0.9; }
.footer-social img { width: 22px; height: 22px; object-fit: contain; filter: brightness(10); }
.footer-copy {
  width: 100%;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.2);
  letter-spacing: 0.04em;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 1.5rem;
  margin-top: 0.5rem;
}
/* legacy */
footer.__unused {
  text-align: center;
  font-size: 0.7rem;
  opacity: 0.5;
  letter-spacing: 0.05em;
}

/* HAMBURGER */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--fondo); transition: all 0.25s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* MOBILE MENU */
.mobile-menu {
  position: fixed;
  top: 0; right: -280px;
  width: 280px; height: 100vh;
  background: var(--negro);
  z-index: 200;
  display: flex;
  flex-direction: column;
  padding: 5rem 2rem 2rem;
  gap: 1.25rem;
  transition: right 0.3s ease;
  border-left: 2px solid var(--acento);
}
.mobile-menu.open { right: 0; }
.mobile-menu a { color: var(--fondo); text-decoration: none; font-size: 1rem; }
.mobile-menu .nav-cta {
  background: var(--acento);
  color: var(--blanco);
  padding: 0.75rem 1rem;
  font-weight: 700;
  font-size: 0.85rem;
  text-align: center;
  margin-top: 0.5rem;
}
.mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 199; }
.mobile-overlay.open { display: block; }
.mobile-menu-section {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--acento);
  padding-top: 0.25rem;
  margin-bottom: -0.25rem;
}
.mobile-sub { font-size: 0.88rem !important; padding-left: 0.75rem !important; opacity: 0.75; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .inc { grid-template-columns: 1fr; gap: 2.5rem; }
  .packs-grid { grid-template-columns: 1fr; }
  .etapa { grid-template-columns: 1fr; }
  .etapa-num { font-size: 1.5rem; }
  .adicionales-grid { grid-template-columns: 1fr; }
  .comp-grid { grid-template-columns: 1fr; }
}

/* FABs */
.fab-whatsapp {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 52px;
  height: 52px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}
.fab-whatsapp:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(0,0,0,0.3); }
.fab-whatsapp svg { width: 26px; height: 26px; }
.fab-top {
  position: fixed;
  bottom: 5.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  background: var(--negro);
  color: var(--fondo);
  border: 1.5px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  z-index: 500;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.25s, transform 0.25s, background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.fab-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.fab-top:hover { background: var(--acento); border-color: transparent; }