/* ============================================================
   ESSENTIK PERFUMERÍA — Hoja de estilos moderna
   Paleta lujo/minimalista + animaciones y microinteracciones
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,500&family=Montserrat:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-principal: #0b0b0c;
    --bg-secundario: #16161a;
    --bg-terciario: #1e1e22;
    --dorado: #d4af37;
    --dorado-brillante: #f3e5ab;
    --dorado-suave: rgba(212, 175, 55, 0.15);
    --texto-claro: #ffffff;
    --texto-mutado: #a3a3ab;
    --whatsapp: #25d366;
    --whatsapp-hover: #1eb857;
    --borde: #232327;
    --fuente-titulos: 'Playfair Display', Georgia, serif;
    --fuente-cuerpo: 'Montserrat', Helvetica, sans-serif;
    --radio: 14px;
    --transicion: 0.35s cubic-bezier(.4,0,.2,1);
    --sombra-dorada: 0 10px 40px -10px rgba(212, 175, 55, 0.35);
}

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

html { scroll-behavior: smooth; }

body {
    background-color: var(--bg-principal);
    color: var(--texto-claro);
    font-family: var(--fuente-cuerpo);
    line-height: 1.6;
    overflow-x: hidden;
}

::selection { background: var(--dorado); color: #000; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-principal); }
::-webkit-scrollbar-thumb { background: var(--borde); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--dorado); }

a { color: inherit; }

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

/* ---------- Utilidades de animación (scroll reveal) ---------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.activo { opacity: 1; transform: translateY(0); }
.reveal-scale { opacity: 0; transform: scale(0.92); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-scale.activo { opacity: 1; transform: scale(1); }

@keyframes flotar { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes brillo { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes pulso { 0%,100% { box-shadow: 0 0 0 0 rgba(37,211,102,0.5); } 70% { box-shadow: 0 0 0 14px rgba(37,211,102,0); } }
@keyframes girar { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes entrarArriba { from { opacity: 0; transform: translateY(-16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes gradientMove { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }

/* ---------- Barra de progreso de scroll ---------- */
.barra-progreso {
    position: fixed; top: 0; left: 0; height: 3px;
    background: linear-gradient(90deg, var(--dorado), var(--dorado-brillante));
    z-index: 1200; width: 0%; transition: width 0.1s ease-out;
}

/* ---------- MENÚ DE NAVEGACIÓN ---------- */
header {
    background-color: rgba(11, 11, 12, 0.85);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--borde);
    transition: background-color var(--transicion), box-shadow var(--transicion);
}

header.con-fondo { box-shadow: 0 10px 30px rgba(0,0,0,0.35); }

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    max-width: 1280px;
    margin: 0 auto;
}

.logo {
    font-family: var(--fuente-titulos);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--dorado);
    text-transform: uppercase;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo span { color: var(--texto-claro); font-weight: 400; }

.nav-menu {
    display: flex;
    list-style: none;
    gap: 28px;
    align-items: center;
}

.nav-menu a {
    color: var(--texto-claro);
    text-decoration: none;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    position: relative;
    padding-bottom: 4px;
    transition: color var(--transicion);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 0; height: 1px;
    background: var(--dorado);
    transition: width var(--transicion);
}

.nav-menu a:hover { color: var(--dorado); }
.nav-menu a:hover::after { width: 100%; }

.nav-whatsapp {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--whatsapp);
    color: #fff !important;
    padding: 10px 18px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: background var(--transicion), transform var(--transicion);
}
.nav-whatsapp:hover { background: var(--whatsapp-hover); transform: translateY(-2px); }

.btn-menu-movil {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1100;
}
.btn-menu-movil span {
    width: 26px; height: 2px; background: var(--texto-claro);
    transition: all var(--transicion);
}
.btn-menu-movil.activo span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.btn-menu-movil.activo span:nth-child(2) { opacity: 0; }
.btn-menu-movil.activo span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- SECCIÓN HOME (HERO) ---------- */
.hero {
    position: relative;
    padding: 150px 20px 90px;
    text-align: center;
    min-height: 88vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(212,175,55,0.16), transparent 55%),
        radial-gradient(ellipse at 80% 80%, rgba(212,175,55,0.10), transparent 55%),
        var(--bg-principal);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle, rgba(212,175,55,0.5) 1px, transparent 1px);
    background-size: 34px 34px;
    opacity: 0.08;
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    width: 480px; height: 480px;
    background: radial-gradient(circle, rgba(212,175,55,0.28), transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    top: -120px; left: 50%;
    transform: translateX(-50%);
    animation: flotar 8s ease-in-out infinite;
    pointer-events: none;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--dorado-suave);
    border: 1px solid rgba(212,175,55,0.4);
    color: var(--dorado-brillante);
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 28px;
    animation: entrarArriba 0.9s ease both;
}

.hero h1 {
    font-family: var(--fuente-titulos);
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    margin-bottom: 20px;
    letter-spacing: 2px;
    line-height: 1.15;
    max-width: 900px;
    background: linear-gradient(100deg, #fff 20%, var(--dorado-brillante) 45%, var(--dorado) 55%, #fff 80%);
    background-size: 250% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: gradientMove 6s ease infinite;
}

.hero p {
    color: var(--texto-mutado);
    max-width: 620px;
    margin-bottom: 34px;
    font-size: 1.1rem;
}

.hero-acciones { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; margin-bottom: 50px; }

.btn-cta {
    background-color: var(--dorado);
    color: #000;
    padding: 15px 34px;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.82rem;
    letter-spacing: 1.5px;
    border-radius: 40px;
    transition: all var(--transicion);
    box-shadow: var(--sombra-dorada);
    border: 1px solid var(--dorado);
    display: inline-block;
}

.btn-cta:hover { background-color: var(--dorado-brillante); transform: translateY(-3px); box-shadow: 0 14px 40px -8px rgba(212,175,55,0.5); }

.btn-cta-ghost {
    background: transparent;
    color: var(--texto-claro);
    padding: 15px 34px;
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.82rem;
    letter-spacing: 1.5px;
    border-radius: 40px;
    border: 1px solid var(--borde);
    transition: all var(--transicion);
}
.btn-cta-ghost:hover { border-color: var(--dorado); color: var(--dorado); }

.hero-stats {
    display: flex;
    gap: 50px;
    flex-wrap: wrap;
    justify-content: center;
}
.hero-stat { text-align: center; }
.hero-stat strong {
    display: block;
    font-family: var(--fuente-titulos);
    font-size: 2rem;
    color: var(--dorado);
}
.hero-stat span { font-size: 0.78rem; color: var(--texto-mutado); text-transform: uppercase; letter-spacing: 1px; }

/* ---------- TICKER DE CONFIANZA ---------- */
.ticker-wrap {
    background: var(--bg-secundario);
    border-top: 1px solid var(--borde);
    border-bottom: 1px solid var(--borde);
    overflow: hidden;
    padding: 14px 0;
}
.ticker {
    display: flex;
    gap: 60px;
    width: max-content;
    animation: mover-ticker 26s linear infinite;
}
@keyframes mover-ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.ticker span {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--texto-mutado);
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}
.ticker span i { color: var(--dorado); }

/* ---------- SECCIONES GENERALES ---------- */
.seccion { padding: 90px 20px; max-width: 1280px; margin: 0 auto; }

.encabezado-seccion { text-align: center; margin-bottom: 50px; }

.eyebrow-seccion {
    display: inline-block;
    color: var(--dorado);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 12px;
}

.titulo-seccion {
    font-family: var(--fuente-titulos);
    font-size: clamp(1.7rem, 4vw, 2.4rem);
    color: var(--texto-claro);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.titulo-seccion em { color: var(--dorado); font-style: normal; }

.subtitulo-seccion {
    color: var(--texto-mutado);
    max-width: 560px;
    margin: 14px auto 0;
    font-size: 0.98rem;
}

/* ---------- PROMOCIONES ---------- */
.grid-promos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.tarjeta-promo {
    background: linear-gradient(160deg, var(--bg-secundario), var(--bg-terciario));
    border: 1px solid var(--borde);
    padding: 34px 28px;
    text-align: left;
    border-radius: var(--radio);
    transition: transform var(--transicion), border-color var(--transicion), box-shadow var(--transicion);
    position: relative;
    overflow: hidden;
}

.tarjeta-promo::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--dorado), transparent);
    transform: scaleX(0);
    transition: transform var(--transicion);
}

.tarjeta-promo:hover {
    transform: translateY(-8px);
    border-color: rgba(212,175,55,0.4);
    box-shadow: var(--sombra-dorada);
}
.tarjeta-promo:hover::before { transform: scaleX(1); }

.icono-promo {
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    background: var(--dorado-suave);
    border-radius: 50%;
    margin-bottom: 20px;
    font-size: 1.3rem;
    color: var(--dorado);
}

.tarjeta-promo h3 { font-family: var(--fuente-titulos); font-size: 1.2rem; margin-bottom: 10px; }
.tarjeta-promo p { color: var(--texto-mutado); font-size: 0.92rem; }

/* ---------- CATÁLOGO ---------- */
.contenedor-sticky-filtros {
    position: sticky;
    top: 70px;
    background-color: rgba(11,11,12,0.92);
    backdrop-filter: blur(10px);
    padding: 18px 0;
    z-index: 900;
    box-shadow: 0 10px 25px rgba(0,0,0,0.45);
    transition: all var(--transicion);
    border-radius: var(--radio);
    margin-bottom: 40px;
}

.buscador-contenedor {
    position: relative;
    max-width: 460px;
    margin: 0 auto 16px auto;
    padding: 0 15px;
}

#inputBuscador {
    width: 100%;
    background-color: var(--bg-terciario);
    border: 1px solid var(--borde);
    color: #ffffff;
    padding: 13px 18px 13px 44px;
    border-radius: 30px;
    font-size: 0.9rem;
    outline: none;
    transition: all var(--transicion);
    font-family: var(--fuente-cuerpo);
}

#inputBuscador:focus {
    border-color: var(--dorado);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.15);
}

.icono-busqueda {
    position: absolute;
    left: 32px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--texto-mutado);
    pointer-events: none;
}

.filtros-catalogo {
    display: flex;
    justify-content: center;
    gap: 10px;
    max-width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    padding: 5px 15px;
    scrollbar-width: none;
}
.filtros-catalogo::-webkit-scrollbar { display: none; }

.btn-filtro {
    background: transparent;
    border: 1px solid var(--borde);
    color: var(--texto-claro);
    padding: 10px 22px;
    cursor: pointer;
    font-family: var(--fuente-cuerpo);
    text-transform: uppercase;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 1px;
    border-radius: 30px;
    transition: all var(--transicion);
}

.btn-filtro.activo, .btn-filtro:hover {
    background-color: var(--dorado);
    color: #000;
    border-color: var(--dorado);
}

.contador-resultados {
    text-align: center;
    color: var(--texto-mutado);
    font-size: 0.8rem;
    margin-top: 12px;
    letter-spacing: 0.5px;
}
.contador-resultados strong { color: var(--dorado); }

.grid-productos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 28px;
}

.producto-card {
    background: linear-gradient(160deg, var(--bg-secundario), var(--bg-terciario));
    border-radius: var(--radio);
    overflow: hidden;
    border: 1px solid var(--borde);
    transition: transform var(--transicion), border-color var(--transicion), box-shadow var(--transicion);
    display: flex;
    flex-direction: column;
    position: relative;
}

.producto-card:hover {
    border-color: rgba(212,175,55,0.45);
    transform: translateY(-6px);
    box-shadow: var(--sombra-dorada);
}

.producto-media {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: radial-gradient(circle at 50% 30%, #26262c, #141416);
}

.producto-imagen {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 22px;
    transition: transform 0.6s ease;
}

.producto-card:hover .producto-imagen { transform: scale(1.06) rotate(-1deg); }

.badge-genero {
    position: absolute;
    top: 14px; left: 14px;
    background: rgba(11,11,12,0.75);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(212,175,55,0.4);
    color: var(--dorado-brillante);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 600;
}

.badge-familia {
    position: absolute;
    top: 14px; right: 14px;
    background: var(--dorado);
    color: #000;
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 700;
}

.producto-info { padding: 22px; display: flex; flex-direction: column; flex: 1; }

.producto-nombre {
    font-family: var(--fuente-titulos);
    font-size: 1.25rem;
    margin-bottom: 10px;
    line-height: 1.3;
}

.producto-precio {
    color: var(--dorado);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 12px;
}
.producto-precio span { color: var(--texto-mutado); font-weight: 400; font-size: 0.78rem; }

.producto-notas {
    font-size: 0.85rem;
    color: var(--texto-mutado);
    margin-bottom: 20px;
    border-left: 2px solid var(--dorado);
    padding-left: 12px;
    flex: 1;
}
.producto-notas p { color: #d6d6da; margin-bottom: 8px; }
.producto-notas strong { color: var(--texto-claro); }

.btn-pedir {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: var(--whatsapp);
    color: #fff;
    text-decoration: none;
    padding: 13px;
    border-radius: 30px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    transition: all var(--transicion);
}

.btn-pedir i { font-size: 1.1rem; }

.btn-pedir:hover { background-color: var(--whatsapp-hover); transform: translateY(-2px); box-shadow: 0 10px 25px -6px rgba(37,211,102,0.55); }

.producto-card.oculto { display: none; }

/* Skeleton de carga */
.skeleton { position: relative; overflow: hidden; background: var(--bg-terciario); }
.skeleton::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
    background-size: 200% 100%;
    animation: brillo 1.4s infinite;
}

/* ---------- TESTIMONIOS ---------- */
.grid-testimonios {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.tarjeta-testimonio {
    background: var(--bg-secundario);
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    padding: 28px;
    transition: transform var(--transicion), border-color var(--transicion);
}
.tarjeta-testimonio:hover { transform: translateY(-6px); border-color: rgba(212,175,55,0.4); }
.estrellas { color: var(--dorado); margin-bottom: 14px; letter-spacing: 3px; }
.tarjeta-testimonio p { color: #d6d6da; font-size: 0.92rem; margin-bottom: 18px; font-style: italic; }
.autor-testimonio { display: flex; align-items: center; gap: 12px; }
.avatar-testimonio {
    width: 40px; height: 40px; border-radius: 50%;
    background: linear-gradient(135deg, var(--dorado), var(--dorado-brillante));
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; color: #000; font-family: var(--fuente-titulos);
}
.autor-testimonio strong { display: block; font-size: 0.88rem; }
.autor-testimonio span { font-size: 0.75rem; color: var(--texto-mutado); }

/* ---------- CÓMO COMPRAR ---------- */
.pasos-compra {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    counter-reset: paso;
}
.paso-item { text-align: center; position: relative; }
.paso-numero {
    width: 60px; height: 60px;
    border: 1px solid var(--dorado);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--fuente-titulos);
    font-size: 1.4rem;
    color: var(--dorado);
    margin: 0 auto 18px;
    background: var(--dorado-suave);
}
.paso-item h3 { font-family: var(--fuente-titulos); font-size: 1.1rem; margin-bottom: 8px; }
.paso-item p { color: var(--texto-mutado); font-size: 0.88rem; }

/* ---------- FAQ ---------- */
.acordeon-faq { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
    background: var(--bg-secundario);
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    overflow: hidden;
    transition: border-color var(--transicion);
}
.faq-item.abierto { border-color: rgba(212,175,55,0.4); }
.faq-pregunta {
    width: 100%;
    background: none;
    border: none;
    color: var(--texto-claro);
    padding: 20px 24px;
    text-align: left;
    font-family: var(--fuente-cuerpo);
    font-weight: 600;
    font-size: 0.98rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}
.faq-pregunta i { color: var(--dorado); transition: transform var(--transicion); flex-shrink: 0; }
.faq-item.abierto .faq-pregunta i { transform: rotate(180deg); }
.faq-respuesta {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 24px;
    color: var(--texto-mutado);
    font-size: 0.9rem;
}
.faq-item.abierto .faq-respuesta { max-height: 260px; padding: 0 24px 22px; }

/* ---------- CTA FINAL ---------- */
.cta-final {
    background: linear-gradient(135deg, var(--bg-secundario), var(--bg-terciario));
    border: 1px solid rgba(212,175,55,0.3);
    border-radius: 24px;
    padding: 60px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-final::before {
    content: '';
    position: absolute;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(212,175,55,0.25), transparent 70%);
    top: -100px; right: -60px;
    border-radius: 50%;
}
.cta-final h2 { font-family: var(--fuente-titulos); font-size: clamp(1.6rem,4vw,2.4rem); margin-bottom: 16px; }
.cta-final p { color: var(--texto-mutado); max-width: 500px; margin: 0 auto 30px; }

/* ---------- PIE DE PÁGINA ---------- */
footer {
    background-color: #050506;
    padding: 60px 20px 30px;
    border-top: 1px solid var(--borde);
    margin-top: 40px;
}
.footer-grid {
    max-width: 1280px;
    margin: 0 auto 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
}
.footer-col h4 { font-family: var(--fuente-titulos); color: var(--dorado); margin-bottom: 16px; font-size: 1.05rem; }
.footer-col p, .footer-col li { color: var(--texto-mutado); font-size: 0.88rem; margin-bottom: 8px; }
.footer-col ul { list-style: none; }
.footer-col a { text-decoration: none; color: var(--texto-mutado); transition: color var(--transicion); }
.footer-col a:hover { color: var(--dorado); }

.redes-sociales { display: flex; gap: 16px; margin-top: 16px; }
.redes-sociales a {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--borde);
    border-radius: 50%;
    color: var(--texto-claro);
    font-size: 1.1rem;
    transition: all var(--transicion);
}
.redes-sociales a:hover { color: #000; background: var(--dorado); border-color: var(--dorado); transform: translateY(-3px); }

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--borde);
    max-width: 1280px;
    margin: 0 auto;
}
footer .footer-bottom p { font-size: 0.78rem; color: var(--texto-mutado); }

/* ---------- BOTÓN FLOTANTE WHATSAPP ---------- */
.whatsapp-flotante {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background-color: var(--whatsapp);
    color: white;
    width: 62px;
    height: 62px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0px 6px 20px rgba(0,0,0,0.5);
    z-index: 1000;
    transition: transform var(--transicion);
    animation: pulso 2.4s infinite;
    text-decoration: none;
}
.whatsapp-flotante:hover { transform: scale(1.12); }

/* ---------- BOTÓN VOLVER ARRIBA ---------- */
.btn-arriba {
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 46px; height: 46px;
    border-radius: 50%;
    background: var(--bg-secundario);
    border: 1px solid var(--borde);
    color: var(--dorado);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transicion);
}
.btn-arriba.visible { opacity: 1; pointer-events: auto; }
.btn-arriba:hover { background: var(--dorado); color: #000; }

/* ---------- POP-UP EMERGENTE ---------- */
.popup-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    display: flex; justify-content: center; align-items: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}
.popup-overlay.mostrar { opacity: 1; pointer-events: auto; }
.popup-contenedor {
    position: relative;
    background-color: var(--bg-secundario);
    width: 90%;
    max-width: 450px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--dorado);
    box-shadow: 0 20px 60px rgba(0,0,0,0.7);
    transform: scale(0.7);
    transition: transform 0.4s ease;
}
.popup-overlay.mostrar .popup-contenedor { transform: scale(1); }
.popup-cerrar {
    position: absolute; top: 15px; right: 15px;
    background-color: rgba(0, 0, 0, 0.6);
    color: var(--texto-claro);
    border: none;
    width: 36px; height: 36px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all var(--transicion);
    z-index: 10;
}
.popup-cerrar:hover { background-color: var(--dorado); color: #000; }
.popup-imagen { width: 100%; height: auto; display: block; object-fit: cover; max-height: 260px; }
.popup-imagen[src=""], .popup-imagen.oculto { display: none; }

.popup-texto {
    padding: 28px 26px 30px;
    text-align: center;
}
.popup-texto h3 {
    font-family: var(--fuente-titulos);
    font-size: 1.4rem;
    color: var(--dorado);
    margin-bottom: 12px;
}
.popup-texto p {
    color: var(--texto-mutado);
    font-size: 0.92rem;
    margin-bottom: 22px;
}
.popup-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* ---------- RESPONSIVO ---------- */
@media (max-width: 860px) {
    .nav-menu {
        position: fixed;
        top: 0; right: -100%;
        width: min(78vw, 320px);
        height: 100vh;
        background: rgba(11,11,12,0.98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        justify-content: center;
        gap: 34px;
        transition: right 0.4s cubic-bezier(.4,0,.2,1);
        border-left: 1px solid var(--borde);
    }
    .nav-menu.abierto { right: 0; }
    .nav-menu a { font-size: 1rem; }
    .btn-menu-movil { display: flex; }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .titulo-seccion { font-size: 1.5rem; }
    .producto-media { aspect-ratio: 4 / 3; }
    .contenedor-sticky-filtros { top: 62px; }
    .hero-stats { gap: 30px; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}