:root {
    --fondo: #060B1F;
    --fondo-2: #0B1433;
    --tarjeta: rgba(16, 28, 70, 0.72);
    --borde: rgba(80, 120, 255, 0.22);
    --texto: #E8EDFF;
    --suave: #9AA7D6;
    --azul: #1F4FFF;
    --azul-2: #4D7CFF;
    --cian: #38D6FF;
    --oro: #FFC94D;
    --radio: 18px;
    --sombra: 0 10px 40px rgba(10, 30, 120, 0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
    margin: 0;
    background: var(--fondo);
    color: var(--texto);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: 'Outfit', sans-serif; line-height: 1.15; margin: 0; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.contenedor { width: min(1160px, 100% - 32px); margin-inline: auto; }

/* Fondo con cuadrícula como el logo */
.grid-bg {
    position: fixed; inset: 0; z-index: -1; pointer-events: none;
    background:
        radial-gradient(60% 50% at 75% 15%, rgba(31, 79, 255, 0.35), transparent 70%),
        radial-gradient(50% 40% at 10% 80%, rgba(56, 214, 255, 0.12), transparent 70%),
        linear-gradient(rgba(77, 124, 255, 0.07) 1px, transparent 1px) 0 0 / 48px 48px,
        linear-gradient(90deg, rgba(77, 124, 255, 0.07) 1px, transparent 1px) 0 0 / 48px 48px,
        var(--fondo);
}

/* Barra superior */
.topbar {
    position: sticky; top: 0; z-index: 10;
    background: rgba(6, 11, 31, 0.78);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--borde);
}
.topbar__in { display: flex; align-items: center; gap: 20px; height: 68px; }
.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; font-family: 'Outfit'; font-weight: 800; font-size: 1.25rem; }
.marca img { border-radius: 10px; width: 40px; height: 40px; object-fit: cover; }
.marca__it { color: var(--azul-2); }
.nav { display: flex; gap: 22px; margin-left: 12px; }
.nav a { text-decoration: none; color: var(--suave); font-weight: 500; font-size: 0.95rem; transition: color .15s; }
.nav a:hover { color: var(--texto); }
.topbar__acciones { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.moneda select {
    background: var(--fondo-2); color: var(--texto);
    border: 1px solid var(--borde); border-radius: 10px;
    padding: 8px 10px; font: inherit; font-size: 0.9rem; cursor: pointer;
}

/* Botones */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 13px 22px; border-radius: 12px; font-weight: 600;
    text-decoration: none; border: 1px solid transparent; cursor: pointer;
    transition: transform .15s, box-shadow .15s, background .15s;
}
.btn svg { width: 20px; height: 20px; fill: currentColor; }
.btn--primario { background: linear-gradient(135deg, var(--azul), var(--azul-2)); color: #fff; box-shadow: 0 6px 24px rgba(31, 79, 255, 0.45); }
.btn--primario:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(31, 79, 255, 0.6); }
.btn--fantasma { border-color: var(--borde); color: var(--texto); background: rgba(255, 255, 255, 0.03); }
.btn--fantasma:hover { border-color: var(--azul-2); }
.btn--chico { padding: 9px 16px; font-size: 0.9rem; }

/* Hero */
.hero { display: grid; grid-template-columns: 1.15fr 0.85fr; align-items: center; gap: 40px; padding: 72px 0 48px; }
.etiqueta {
    display: inline-block; margin: 0 0 16px; padding: 6px 12px; border-radius: 999px;
    background: rgba(31, 79, 255, 0.15); border: 1px solid var(--borde); color: var(--cian);
    font-size: 0.85rem; font-weight: 600;
}
.hero h1 { font-size: clamp(2.3rem, 5.5vw, 4rem); font-weight: 800; letter-spacing: -0.02em; }
.degradado { background: linear-gradient(90deg, var(--azul-2), var(--cian)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__sub { color: var(--suave); font-size: 1.12rem; max-width: 560px; margin: 18px 0 28px; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.sellos { list-style: none; padding: 0; margin: 32px 0 0; display: flex; flex-wrap: wrap; gap: 10px 26px; color: var(--suave); font-size: 0.95rem; }
.sellos b { color: var(--texto); font-family: 'Outfit'; font-size: 1.15rem; }
.hero__logo { position: relative; justify-self: center; }
.hero__logo::before {
    content: ''; position: absolute; inset: -8%; border-radius: 50%;
    background: radial-gradient(circle, rgba(31, 79, 255, 0.55), transparent 65%); filter: blur(30px);
}
.hero__logo img {
    position: relative; width: min(420px, 80vw); height: auto; aspect-ratio: 1; object-fit: cover; border-radius: 32px;
    border: 1px solid var(--borde); box-shadow: var(--sombra);
    animation: flotar 6s ease-in-out infinite;
}
@keyframes flotar { 50% { transform: translateY(-10px); } }

/* Secciones */
.seccion { padding: 56px 0; }
.seccion__cab { margin-bottom: 26px; }
.seccion__cab h2, .calc h2, .cta h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 800; }
.seccion__cab p { color: var(--suave); margin: 8px 0 0; }

/* Productos */
.productos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.producto {
    background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio);
    padding: 22px; display: flex; flex-direction: column; gap: 12px;
    transition: transform .2s, border-color .2s;
}
.producto:hover { transform: translateY(-4px); border-color: rgba(77, 124, 255, 0.55); }
.producto__cab { display: flex; align-items: center; gap: 10px; }
.producto__icono { font-size: 1.6rem; }
.producto h3 { font-size: 1.3rem; }
.chip { margin-left: auto; font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; padding: 4px 9px; border-radius: 999px; background: rgba(56, 214, 255, 0.12); color: var(--cian); }
.chip--oro { background: rgba(255, 201, 77, 0.14); color: var(--oro); }
.producto__desc { color: var(--suave); font-size: 0.92rem; margin: 0; }
.precios { list-style: none; padding: 0; margin: 4px 0 0; display: grid; gap: 8px; }
.precios li { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; padding: 10px 12px; border-radius: 10px; background: rgba(255, 255, 255, 0.04); }
.precios span { color: var(--suave); font-size: 0.92rem; }
.precios b { font-family: 'Outfit'; font-size: 1.05rem; white-space: nowrap; }
.nota { margin: auto 0 0; font-size: 0.88rem; color: var(--oro); }

/* Calculadora */
.calc {
    display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center;
    background: linear-gradient(135deg, rgba(31, 79, 255, 0.22), rgba(16, 28, 70, 0.75));
    border: 1px solid var(--borde); border-radius: 24px; padding: 36px; box-shadow: var(--sombra);
}
.calc__texto p { color: var(--suave); }
.tabs { display: inline-flex; gap: 6px; padding: 5px; border-radius: 12px; background: rgba(0, 0, 0, 0.25); margin: 8px 0 18px; }
.tab { border: 0; background: transparent; color: var(--suave); padding: 9px 16px; border-radius: 9px; font: inherit; font-weight: 600; cursor: pointer; }
.tab.activo { background: var(--azul); color: #fff; }
.campo { display: grid; gap: 8px; font-weight: 600; }
.campo input {
    background: var(--fondo); color: var(--texto); border: 1px solid var(--borde); border-radius: 12px;
    padding: 14px 16px; font: inherit; font-size: 1.3rem; font-family: 'Outfit'; width: 100%;
}
.campo input:focus, .filtros input:focus, .moneda select:focus { outline: 2px solid var(--azul-2); outline-offset: 2px; }
.calc__extra { min-height: 1.5em; color: var(--cian) !important; font-weight: 500; }
.calc__resultado { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.resultado { background: rgba(6, 11, 31, 0.6); border: 1px solid var(--borde); border-radius: 14px; padding: 16px; }
.resultado.destacado { border-color: var(--azul-2); box-shadow: 0 0 0 1px var(--azul-2) inset; }
.resultado small { color: var(--suave); display: block; margin-bottom: 4px; }
.resultado b { font-family: 'Outfit'; font-size: 1.35rem; }

/* Tienda */
.aviso { background: rgba(255, 201, 77, 0.08); border: 1px solid rgba(255, 201, 77, 0.3); color: #FFE3A3; border-radius: 12px; padding: 12px 16px; margin-bottom: 18px; font-size: 0.95rem; }
.filtros { display: grid; gap: 12px; margin-bottom: 20px; }
.filtros input { background: var(--fondo-2); color: var(--texto); border: 1px solid var(--borde); border-radius: 12px; padding: 12px 16px; font: inherit; max-width: 420px; }
.chips { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; scrollbar-width: thin; }
.chips button {
    flex: none; border: 1px solid var(--borde); background: rgba(255, 255, 255, 0.03); color: var(--suave);
    padding: 7px 13px; border-radius: 999px; font: inherit; font-size: 0.88rem; cursor: pointer; white-space: nowrap;
}
.chips button.activo { background: var(--azul); border-color: var(--azul); color: #fff; }
.tienda { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; }
.item {
    background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 16px; overflow: hidden;
    display: flex; flex-direction: column; transition: transform .2s, border-color .2s;
}
.item:hover { transform: translateY(-4px); border-color: rgba(77, 124, 255, 0.6); }
.item__img { aspect-ratio: 1; background: var(--c, #1a2a6b); position: relative; }
.item__img img { width: 100%; height: 100%; object-fit: cover; }
.item__pavos { position: absolute; left: 8px; bottom: 8px; background: rgba(6, 11, 31, 0.85); border-radius: 8px; padding: 3px 8px; font-size: 0.82rem; font-weight: 600; }
.item__info { padding: 12px; display: grid; gap: 2px; }
.item__info h3 { font-size: 1rem; }
.item__info small { color: var(--suave); }
.item__info b { font-family: 'Outfit'; font-size: 1.1rem; color: var(--cian); margin-top: 4px; }
.cargando, .vacio { grid-column: 1 / -1; color: var(--suave); text-align: center; padding: 40px 0; }
.tienda__pie { text-align: center; color: var(--suave); font-size: 0.88rem; margin-top: 16px; }
.mas { grid-column: 1 / -1; justify-self: center; }

/* Cómo comprar */
.pasos { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: paso; }
.pasos li { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 22px; }
.pasos span { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: var(--azul); font-family: 'Outfit'; font-weight: 800; margin-bottom: 12px; }
.pasos h3 { font-size: 1.1rem; margin-bottom: 6px; }
.pasos p { margin: 0; color: var(--suave); font-size: 0.93rem; }
.metodos { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.metodo { border: 1px solid var(--borde); background: rgba(255, 255, 255, 0.03); padding: 9px 14px; border-radius: 10px; font-weight: 500; font-size: 0.93rem; }

/* FAQ */
.faq { display: grid; gap: 10px; max-width: 860px; }
.faq details { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 14px; padding: 4px 18px; }
.faq summary { cursor: pointer; font-weight: 600; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::after { content: '+'; color: var(--azul-2); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: '−'; }
.faq summary::-webkit-details-marker { display: none; }
.faq p { margin: 0 0 16px; color: var(--suave); }

/* CTA y pie */
.cta {
    margin: 32px 0 72px; text-align: center; padding: 48px 24px; border-radius: 24px;
    background: radial-gradient(80% 120% at 50% 0%, rgba(31, 79, 255, 0.45), rgba(16, 28, 70, 0.6));
    border: 1px solid var(--borde);
}
.cta p { color: var(--suave); margin: 10px 0 24px; }
.pie { border-top: 1px solid var(--borde); padding: 32px 0 40px; }
.pie__in { display: grid; gap: 10px; justify-items: center; text-align: center; }
.marca--pie { font-size: 1.1rem; }
.marca--pie img { width: 32px; height: 32px; }
.pie__links { display: flex; gap: 20px; }
.pie__links a { color: var(--suave); text-decoration: none; }
.pie__links a:hover { color: var(--texto); }
.pie__legal { color: #6E7AA8; font-size: 0.82rem; margin: 0; max-width: 640px; }

/* Responsive */
@media (max-width: 1000px) {
    .nav { display: none; }
    .productos { grid-template-columns: repeat(2, 1fr); }
    .pasos { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
    .hero { grid-template-columns: 1fr; padding-top: 40px; text-align: left; }
    .hero__logo { order: -1; }
    .hero__logo img { width: min(240px, 60vw); }
    .calc { grid-template-columns: 1fr; padding: 22px; }
    .tienda { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}
@media (max-width: 520px) {
    .productos, .pasos { grid-template-columns: 1fr; }
    .topbar__in { gap: 10px; }
    .marca span { display: none; }
    .calc__resultado { grid-template-columns: 1fr 1fr; }
    .resultado b { font-size: 1.1rem; }
    .item__info h3 { font-size: 0.92rem; }
}
@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* Pago con tarjeta */
.precios li { align-items: center; gap: 8px; padding: 8px 8px 8px 12px; }
.precios span { white-space: nowrap; }
.precios b { margin-left: auto; font-size: 1rem; }
.pagar {
    flex: none; width: 30px; height: 30px; border-radius: 8px; border: 1px solid var(--borde); font-size: 0.9rem !important;
    background: rgba(31, 79, 255, 0.18); cursor: pointer; font-size: 1rem; line-height: 1;
    transition: background .15s, transform .15s;
}
.pagar:hover { background: var(--azul); transform: translateY(-1px); }
#calc-pagar { margin-top: 14px; width: 100%; }
.dialogo {
    border: 1px solid var(--borde); border-radius: 20px; padding: 0; max-width: 460px; width: calc(100% - 32px);
    background: var(--fondo-2); color: var(--texto); box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}
.dialogo::backdrop { background: rgba(3, 6, 18, 0.75); backdrop-filter: blur(4px); }
.dialogo__in { padding: 26px; display: grid; gap: 10px; }
.dialogo h3 { font-size: 1.4rem; }
.dialogo__producto { margin: 0; color: var(--suave); }
.dialogo__total { margin: 0; font-size: 1.1rem; }
.dialogo__total b { font-family: 'Outfit'; font-size: 1.6rem; color: var(--cian); }
.dialogo__notas { margin: 4px 0; padding-left: 18px; color: var(--suave); font-size: 0.9rem; display: grid; gap: 6px; }
.dialogo__error { margin: 0; color: #FF8A8A; font-size: 0.92rem; min-height: 1.2em; }
.dialogo__botones { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }
.dialogo__botones .btn:disabled { opacity: .6; cursor: wait; }

/* Página de gracias */
.gracias { min-height: 70vh; display: grid; place-items: center; padding: 48px 0; }
.gracias__caja { max-width: 560px; text-align: center; background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 24px; padding: 36px 28px; box-shadow: var(--sombra); }
.gracias__icono { font-size: 3rem; }
.gracias h1 { font-size: 2rem; margin: 8px 0; }
.gracias p { color: var(--suave); }
.referencia {
    display: flex; gap: 8px; align-items: center; justify-content: center; flex-wrap: wrap;
    margin: 18px 0; padding: 14px; border-radius: 14px; background: rgba(6, 11, 31, 0.7); border: 1px dashed var(--azul-2);
}
.referencia code { font-size: 1.15rem; font-weight: 700; color: var(--cian); word-break: break-all; }
.gracias__pasos { text-align: left; color: var(--suave); display: grid; gap: 6px; margin: 0 auto 22px; max-width: 420px; }