/* ============================================================
   HAVANA NOVA AI — Borrador v2
   Diseño: oscuro elegante + dorado (negro/dorado de la marca)
   Cambios v2: hero con video en bucle, botón CTA con pulso dorado
   ============================================================ */
:root {
  --negro: #0a0a0d;
  --negro-2: #121217;
  --negro-3: #1a1a22;
  --dorado: #d4a94e;
  --dorado-claro: #f0c96a;
  --dorado-oscuro: #a67c2e;
  --blanco: #f5f1e8;
  --gris: #b8b3a7;
  --gris-oscuro: #8a8578;
  --fuente-titulos: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --fuente-cuerpo: 'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;
  --radio: 14px;
  --sombra: 0 18px 45px rgba(0, 0, 0, .45);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--negro);
  color: var(--blanco);
  font-family: var(--fuente-cuerpo);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

.contenedor {
  width: min(1140px, 92%);
  margin: 0 auto;
}

.dorado { color: var(--dorado); }
.en { font-size: .72em; font-weight: 400; color: var(--gris-oscuro); letter-spacing: .04em; }

h1, h2, h3 {
  font-family: var(--fuente-titulos);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: .01em;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .85rem 1.9rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .03em;
  text-decoration: none;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn svg { width: 1.15em; height: 1.15em; }
.btn-dorado {
  background: linear-gradient(135deg, var(--dorado-claro), var(--dorado) 55%, var(--dorado-oscuro));
  color: #14100a;
  box-shadow: 0 10px 28px rgba(212, 169, 78, .28);
}
.btn-dorado:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(212, 169, 78, .4); }
.btn-borde { border-color: rgba(212, 169, 78, .55); color: var(--blanco); background: rgba(212, 169, 78, .06); }
.btn-borde:hover { background: rgba(212, 169, 78, .16); transform: translateY(-2px); }
.btn-grande { padding: 1.05rem 2.4rem; font-size: 1.02rem; }

/* ---------- Botón Call To Action animado (hero) ---------- */
.btn-cta {
  position: relative;
  animation: cta-pulso 2.6s ease-in-out 4;
}
.btn-cta::after {
  content: "";
  position: absolute; inset: -3px;
  border-radius: 999px;
  border: 2px solid rgba(212, 169, 78, .75);
  pointer-events: none;
  animation: cta-anillo 2.6s ease-out 4;
}
@keyframes cta-pulso {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.045); }
}
@keyframes cta-anillo {
  0% { transform: scale(1); opacity: .85; }
  70% { opacity: 0; }
  100% { transform: scale(1.3); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn-cta, .btn-cta::after { animation: none; }
  .hero-bajar { animation: none; }
  .revelar { transition: none; }
}

/* ---------- Cabecera ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  transition: background .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
}
.site-header.fija {
  background: rgba(10, 10, 13, .86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, .4);
  border-bottom: 1px solid rgba(212, 169, 78, .14);
}
.barra { display: flex; align-items: center; justify-content: space-between; padding: .9rem 0; }
.marca { display: flex; align-items: center; gap: .75rem; text-decoration: none; }
.marca-logo { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; border: 2px solid rgba(212, 169, 78, .6); }
.marca-nombre { font-family: var(--fuente-titulos); font-size: 1.25rem; font-weight: 700; letter-spacing: .12em; }
.nav { display: flex; align-items: center; gap: 1.8rem; }
.nav-enlace { text-decoration: none; font-size: .92rem; font-weight: 500; letter-spacing: .05em; color: var(--gris); position: relative; padding: .3rem 0; }
.nav-enlace::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--dorado); transition: width .3s ease;
}
.nav-enlace:hover::after, .nav-enlace.activo::after { width: 100%; }
.nav-enlace.activo { color: var(--blanco); }
.btn-nav { padding: .6rem 1.5rem; font-size: .88rem; }
.menu-movil { display: none; background: none; border: none; cursor: pointer; padding: .5rem; }
.menu-movil span { display: block; width: 26px; height: 2px; background: var(--blanco); margin: 6px 0; transition: .3s; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.hero-video-fondo {
  position: absolute; inset: 0;
  background: #000;
}
.hero-video {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.hero-velo {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at center, rgba(10,10,13,.25) 0%, rgba(10,10,13,.78) 100%),
    linear-gradient(180deg, rgba(10,10,13,.72) 0%, rgba(10,10,13,.35) 40%, rgba(10,10,13,.88) 100%);
}
.hero-contenido { position: relative; z-index: 2; padding: 7rem 0 4rem; max-width: 900px; }
.hero-insignia {
  display: inline-block;
  font-size: .78rem; font-weight: 600; letter-spacing: .28em; text-transform: uppercase;
  color: var(--dorado-claro);
  border: 1px solid rgba(212, 169, 78, .5);
  border-radius: 999px;
  padding: .5rem 1.4rem;
  margin-bottom: 1.6rem;
  background: rgba(10, 10, 13, .45);
}
.hero h1 { font-size: clamp(2.1rem, 5.4vw, 3.9rem); margin-bottom: 1.4rem; text-shadow: 0 4px 30px rgba(0,0,0,.6); }
.hero-sub { font-size: clamp(1rem, 2.2vw, 1.25rem); color: var(--gris); margin-bottom: 2.4rem; font-weight: 400; }
.hero-ctas { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero-bajar {
  position: absolute; bottom: 1.4rem; left: 50%; transform: translateX(-50%);
  color: var(--dorado); font-size: 1.8rem; text-decoration: none; z-index: 2;
  animation: flotar 2.2s ease-in-out infinite; opacity: .85;
}
@keyframes flotar { 0%,100% { translate: 0 0; } 50% { translate: 0 8px; } }

/* ---------- Secciones ---------- */
section[id] { scroll-margin-top: 90px; }
.seccion { padding: 6.5rem 0; }
.seccion-alt { background: var(--negro-2); border-top: 1px solid rgba(212,169,78,.1); border-bottom: 1px solid rgba(212,169,78,.1); }
.etiqueta-seccion {
  font-size: .78rem; font-weight: 600; letter-spacing: .3em; text-transform: uppercase;
  color: var(--dorado); margin-bottom: 1rem;
}
.seccion h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); margin-bottom: 1rem; }
.seccion-intro { color: var(--gris); font-size: 1.08rem; max-width: 640px; margin-bottom: 3rem; }

/* ---------- Tarjetas de servicios ---------- */
.tarjetas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.4rem;
}
.tarjeta {
  background: linear-gradient(160deg, var(--negro-3), var(--negro-2));
  border: 1px solid rgba(212, 169, 78, .16);
  border-radius: var(--radio);
  padding: 2.2rem 1.8rem;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.tarjeta:hover {
  transform: translateY(-8px);
  border-color: rgba(212, 169, 78, .55);
  box-shadow: var(--sombra), 0 0 0 1px rgba(212,169,78,.25);
}
.tarjeta-icono {
  width: 58px; height: 58px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(212, 169, 78, .1);
  border: 1px solid rgba(212, 169, 78, .35);
  color: var(--dorado);
  margin-bottom: 1.4rem;
}
.tarjeta-icono svg { width: 28px; height: 28px; }
.tarjeta h3 { font-size: 1.45rem; margin-bottom: .8rem; }
.tarjeta p { color: var(--gris); font-size: .96rem; }

/* ---------- Nosotros ---------- */
.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3.5rem;
  align-items: center;
}
.nosotros-imagen img {
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  border: 1px solid rgba(212, 169, 78, .22);
  aspect-ratio: 4 / 3.4;
  object-fit: cover;
  width: 100%;
}
.nosotros-texto p { color: var(--gris); margin-bottom: 1.2rem; }
.nosotros-texto p strong { color: var(--blanco); font-weight: 600; }
.nosotros-lista { list-style: none; margin-top: 1.6rem; }
.nosotros-lista li {
  position: relative; padding-left: 1.9rem; margin-bottom: .8rem; color: var(--blanco); font-weight: 400;
}
.nosotros-lista li::before {
  content: "◆"; position: absolute; left: 0; color: var(--dorado); font-size: .8em; top: .3em;
}

/* ---------- Contacto ---------- */
.contacto-caja {
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(212,169,78,.12), transparent 65%),
              linear-gradient(160deg, var(--negro-3), var(--negro-2));
  border: 1px solid rgba(212, 169, 78, .25);
  border-radius: calc(var(--radio) + 6px);
  padding: 4rem 2rem;
  box-shadow: var(--sombra);
}
.contacto-logo {
  width: 96px; height: 96px; border-radius: 50%; object-fit: cover;
  margin: 0 auto 1.6rem;
  border: 3px solid rgba(212, 169, 78, .6);
  box-shadow: 0 0 40px rgba(212, 169, 78, .25);
}
.contacto-caja h2 { font-size: clamp(2rem, 4.4vw, 3rem); margin-bottom: 1rem; }
.contacto-caja .seccion-intro { margin: 0 auto 2.4rem; }
.contacto-botones { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 1.6rem; }
.contacto-nota { color: var(--gris-oscuro); font-size: .9rem; }

/* ---------- Pie ---------- */
.pie { border-top: 1px solid rgba(212,169,78,.14); padding: 3.5rem 0 1.8rem; background: #08080b; }
.pie-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem; margin-bottom: 2.5rem; align-items: start;
}
.pie-logo { width: 54px; height: 54px; border-radius: 50%; object-fit: cover; border: 2px solid rgba(212,169,78,.5); margin-bottom: .9rem; }
.pie-nombre { font-family: var(--fuente-titulos); font-weight: 700; letter-spacing: .12em; font-size: 1.05rem; }
.pie-tag { color: var(--gris-oscuro); font-size: .9rem; margin-top: .3rem; }
.pie-nav { display: flex; flex-direction: column; gap: .55rem; }
.pie-nav a, .pie-social a { color: var(--gris); text-decoration: none; font-size: .93rem; }
.pie-nav a:hover, .pie-social a:hover { color: var(--dorado-claro); }
.pie-social { display: flex; flex-direction: column; gap: .55rem; }
.pie-copy { text-align: center; color: var(--gris-oscuro); font-size: .82rem; border-top: 1px solid rgba(255,255,255,.06); padding-top: 1.4rem; }

/* ---------- Animación de aparición (mejora progresiva: visible sin JS) ---------- */
.revelar { transition: opacity .7s ease, transform .7s ease; }
.js .revelar { opacity: 0; transform: translateY(28px); }
.revelar.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nosotros-grid { grid-template-columns: 1fr; gap: 2.2rem; }
  .pie-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav {
    position: fixed; inset: 0 0 0 auto; width: min(78vw, 320px);
    background: rgba(12, 12, 16, .98);
    flex-direction: column; align-items: flex-start;
    padding: 5.5rem 2rem 2rem; gap: 1.4rem;
    transform: translateX(100%); transition: transform .35s ease;
    border-left: 1px solid rgba(212,169,78,.2);
  }
  .nav.abierto { transform: none; }
  .menu-movil { display: block; z-index: 60; position: relative; }
  .menu-movil.activo span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .menu-movil.activo span:nth-child(2) { opacity: 0; }
  .menu-movil.activo span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .seccion { padding: 4.5rem 0; }
  .hero-contenido { padding: 6rem 0 3.5rem; }
  .btn-grande { width: 100%; justify-content: center; }
  .hero-ctas { flex-direction: column; }
  .pie-grid { grid-template-columns: 1fr; text-align: center; }
  .pie-logo { margin: 0 auto .9rem; }
  .pie-nav, .pie-social { align-items: center; }
}

/* ============================================================
   Mejoras LUNA — plan de rescate (2026-09-28)
   Orden del señor: aplicar las 9 (WhatsApp y foto pendientes)
   ============================================================ */

/* Garantía bajo los CTAs del hero (#4) */
.hero-garantia {
  margin-top: 1.3rem;
  color: var(--dorado-claro);
  font-size: .92rem;
  font-weight: 500;
  letter-spacing: .05em;
}

/* Ejemplos concretos en tarjetas de servicio (#1) */
.tarjeta-ejemplo {
  margin-top: .9rem;
  padding-top: .9rem;
  border-top: 1px dashed rgba(212, 169, 78, .3);
  font-size: .88rem;
  color: var(--gris);
}
.tarjeta-ejemplo strong { color: var(--dorado-claro); font-weight: 600; }

/* Cómo funciona en 3 pasos (#2) */
.pasos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.4rem;
}
.paso {
  background: linear-gradient(160deg, var(--negro-3), var(--negro-2));
  border: 1px solid rgba(212, 169, 78, .16);
  border-radius: var(--radio);
  padding: 2rem 1.8rem;
  text-align: center;
  transition: transform .3s ease, border-color .3s ease;
}
.paso:hover { transform: translateY(-6px); border-color: rgba(212, 169, 78, .5); }
.paso-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, var(--dorado-claro), var(--dorado-oscuro));
  color: #14100a;
  font-family: var(--fuente-titulos); font-weight: 700; font-size: 1.4rem;
  margin-bottom: 1.1rem;
}
.paso h3 { font-size: 1.35rem; margin-bottom: .6rem; }
.paso p { color: var(--gris); font-size: .95rem; }

/* FAQ (#8) */
.faq { max-width: 760px; margin: 0 auto; display: grid; gap: .9rem; }
.faq-item {
  background: linear-gradient(160deg, var(--negro-3), var(--negro-2));
  border: 1px solid rgba(212, 169, 78, .16);
  border-radius: var(--radio);
  padding: 1.15rem 1.5rem;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600; font-size: 1.02rem;
  list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; color: var(--dorado);
  font-size: 1.4rem; font-weight: 400; flex-shrink: 0;
  transition: transform .25s ease;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: var(--gris); margin-top: .8rem; font-size: .96rem; }