/* ==========================================================
   AFTERGLOW COLLECTIVE — Estructura unificada (ESTEESELBUENO + Visión IA)
   ========================================================== */

:root {
    --bd: #641C32;
    --bd2: #3A101F;
    --burdeos: #641C32;
    --burdeos-2: #7d2640;
    --ink: #101010;
    --negro: #101010;
    --off: #F1EDE4;
    --hueso: #F1EDE4;
    --gold: #B99A62;
    --oro: #B99A62;
    --grey: #1c1b1c;
    --gris: #1c1b1c;
    --gris-2: #2b2a2b;
    --muted: #a9a399;
    --line: rgba(241, 237, 228, .12);
    --ease: cubic-bezier(.2, .7, .2, 1);
    --d: 'Anton', 'Impact', sans-serif;
    --serif: 'Instrument Serif', Georgia, serif;
    --s: 'Inter', system-ui, sans-serif;
    --pad: clamp(1.25rem, 5vw, 4rem);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--ink);
    color: var(--off);
    font: 400 1.05rem/1.6 var(--s);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Textura de ruido de fondo (estética IA) */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: .07;
    z-index: 99;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

a {
    color: inherit;
    text-decoration: none;
}

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

:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
}

.wrap {
    width: min(1280px, 100% - 48px);
    margin-inline: auto
}

.sec {
    padding: clamp(5rem, 9vw, 8rem) 0;
    border-top: 1px solid var(--line);
}

.light {
    background: var(--off);
    color: var(--ink);
    --line: rgba(16, 16, 16, .14);
    --muted: #5c564d;
}

.burg {
    background: var(--bd);
}

.deep {
    background: var(--bd2);
}

/* Tipografía de títulos con la fuerza de la IA */
h1,
h2,
h3 {
    font-family: var(--d);
    font-weight: 400;
    text-transform: uppercase;
    line-height: .92;
    letter-spacing: 0em;
}

h1 {
    font-size: clamp(3rem, 9.5vw, 9rem);
}

h2 {
    font-size: clamp(2.2rem, 6vw, 5rem);
}

h3 {
    font-size: 1.5rem;
    letter-spacing: -.01em;
}

.serif, em {
    font-family: var(--serif);
    font-style: italic;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
}

.tag {
    font: 500 12px/16px var(--s);
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--gold);
    display: block;
    margin-bottom: 24px;
}

.light .tag {
    color: var(--bd);
}

.lead {
    font-size: 1.05rem;
    line-height: 1.6;
    max-width: 34rem;
    color: var(--muted);
}

/* Botones con efecto deslizante refinado */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    height: 48px;
    padding: 0 24px;
    border: 1.5px solid var(--gold);
    font: 700 13px var(--s);
    letter-spacing: .12em;
    text-transform: uppercase;
    cursor: pointer;
    background: none;
    color: inherit;
    position: relative;
    overflow: hidden;
    z-index: 0;
    transition: color .35s var(--ease), transform .2s;
}

.btn::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--gold);
    transform: translateY(101%);
    transition: transform .35s cubic-bezier(.2, .7, .2, 1);
    z-index: -1;
}

.btn:hover {
    color: var(--ink);
}

.btn:hover::before {
    transform: none;
}

.btn:active {
    transform: scale(.97);
}

.btn--p {
    background: var(--bd);
    border-color: var(--bd);
    color: var(--off);
}

.btn--p::before {
    background: var(--off);
}

.btn--p:hover {
    color: var(--ink);
}

.light .btn {
    border-color: var(--ink);
}

.light .btn::before {
    background: var(--ink);
}

.light .btn:hover {
    color: var(--off);
}

.light .btn--p {
    background: var(--ink);
    border-color: var(--ink);
    color: var(--off);
}

.light .btn--p::before {
    background: var(--gold);
}

.link {
    font: 600 12px var(--s);
    letter-spacing: .14em;
    text-transform: uppercase;
    border-bottom: 1px solid currentColor;
    padding-bottom: 4px;
    transition: color .18s;
}

.link:hover {
    color: var(--gold);
}

/* Header */
.hd {
    position: fixed;
    inset: 0 0 auto;
    z-index: 50;
    transition: background-color .3s var(--ease);
    background: linear-gradient(var(--ink), rgba(16, 16, 16, 0));
}

.hd::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.hd.sc {
    background: rgba(16, 16, 16, .92);
    border-bottom: 1px solid var(--line);
}

.hd .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px
}

/* Logo unificado con icono a la izquierda y textos apilados a la derecha */
.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    color: inherit;
}

.logo__mark {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo__mark img,
.logo__mark svg {
    width: 56px;
    height: auto;
    display: block;
}

.logo__texts {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1;
}

.logo__texts span {
    font: 400 1.25rem var(--d);
    letter-spacing: .3em;
    text-transform: uppercase;
}

.logo__texts i {
    font: 400 0.8rem var(--s);
    color: var(--gold);
    letter-spacing: .28em;
    font-style: normal;
    text-transform: uppercase;
    margin-top: 3px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
    font: 500 13px var(--s);
    letter-spacing: .1em;
    text-transform: uppercase;
}

.nav a:not(.btn) {
    position: relative;
    padding: .3rem 0;
    opacity: .75;
    transition: opacity .18s;
}

.nav a:not(.btn)::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    height: 1.5px;
    width: 100%;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s;
}

.nav a:hover::after,
.nav a[aria-current]::after {
    transform: none;
}

.nav a:hover,
.nav a[aria-current] {
    opacity: 1;
}

.nav .btn {
    height: 36px;
    padding: 0 16px;
    font-size: 12px;
}

.mb {
    display: none;
    background: none;
    border: 0;
    color: inherit;
    width: 44px;
    height: 44px;
    cursor: pointer;
    font-size: 1.6rem;
    position: relative;
    z-index: 2;
}

.mb span {
    display: block;
    width: 24px;
    height: 1px;
    background: currentColor;
    margin: 7px auto;
}

/* Hero con gradiente radial distintivo */
.hero {
    min-height: 100svh;
    display: flex;
    align-items: flex-end;
    padding: 160px 0 80px;
    position: relative;
    overflow: hidden;
    background: radial-gradient(60% 70% at 85% 30%, rgba(100, 28, 50, 0.6), transparent 70%);
    border: 0;
}

.rings {
    position: absolute;
    right: 1vw;
    top: 50%;
    width: min(80vmin, 900px);
    height: auto;
    opacity: .16;
    transform: translateY(-50%);
    pointer-events: none;
}

.hero .wrap {
    position: relative;
    z-index: 1;
}

.hero h1 span {
    display: block;
    overflow: hidden;
}

.hero h1 span>b,
.hero h1 span {
    display: block;
}

.hero h1 span:last-child {
    color: var(--gold);
}

.hero p.lead {
    margin: 32px 0 40px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

/* Marquee dinámico */
.marq {
    border-block: 1px solid var(--gris-2);
    overflow: hidden;
    white-space: nowrap;
    font: 400 1.6rem var(--d);
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: 20px 0;
    background: var(--bd);
}

.marq div {
    display: inline-block;
    animation: mq 35s linear infinite;
}

.marq i {
    color: var(--gold);
    font-style: normal;
    margin: 0 32px;
}

@keyframes mq {
    to {
        transform: translateX(-50%);
    }
}

/* Placeholders e imágenes con zoom suave */
.ph, .img-box {
    position: relative;
    background: var(--grey);
    overflow: hidden;
    width: 100%;
}

.ph img, .img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .8s cubic-bezier(.2, .7, .2, 1);
}

.ph:hover img, .img-box:hover img {
    transform: scale(1.05);
}

.ph--wide {
    aspect-ratio: 16/10;
}

.ph--port {
    aspect-ratio: 4/5;
}

.ph--sq {
    aspect-ratio: 1;
}

.ph--thumb {
    aspect-ratio: 1;
    width: 96px;
}

.intro {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 64px;
    align-items: end;
}

.intro p {
    margin-top: 32px;
}

.svl {
    margin-top: 64px;
    border-top: 1px solid var(--line);
}

.sv {
    display: grid;
    grid-template-columns: 96px 1fr 2fr 96px auto;
    gap: 32px;
    align-items: center;
    padding: 32px 0;
    border-bottom: 1px solid var(--line);
    transition: padding-left .3s var(--ease), background .35s;
}

.sv:hover {
    padding-left: 16px;
    background: var(--grey);
}

.sv b {
    font: 400 56px var(--d);
    color: var(--gold);
}

.sv p {
    opacity: .75;
    max-width: 32rem;
    color: var(--muted);
}

.player {
    margin-top: 64px;
    border: 1px solid var(--line);
    padding: 16px;
    background: var(--bd2);
    border-radius: 12px;
}

.player iframe {
    width: 100%;
    height: 352px;
    border: 0;
    display: block;
    border-radius: 8px;
}

.proc {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-top: 64px;
    border-top: 1px solid var(--line);
}

.proc div {
    padding: 32px 24px 0 0;
}

.proc b {
    font: 400 clamp(72px, 9vw, 128px)/1 var(--d);
    color: var(--gold);
    display: block;
}

.proc h3 {
    font-size: 28px;
    margin: 16px 0 8px;
}

.proc p {
    color: var(--muted);
}

.cta {
    text-align: center;
    background: var(--bd);
    padding: 6rem var(--pad);
}

.cta h2 {
    font-size: clamp(2.5rem, 8vw, 7rem);
    margin-bottom: 2rem;
}

.cta .lead {
    margin: 24px auto 40px;
    color: var(--off);
}

.ft {
    padding: 80px 0 32px;
    border-top: 1px solid var(--line);
}

.ft .g {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 48px;
}

.ft h4 {
    font: 500 12px var(--s);
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 16px;
}

.ft li {
    list-style: none;
    padding: 4px 0;
    color: var(--muted);
}

.ft ul {
    padding: 0;
}

.ft small {
    display: block;
    margin-top: 64px;
    color: var(--muted);
}

/* Ajustes en secciones claras */
.light .price strong {
    color: var(--bd);
}

.light .note {
    background: rgba(16, 16, 16, .06);
}

.light .btn--p:hover {
    color: var(--ink);
}

/* Servicios y packs */
.pg {
    padding: 176px 0 96px;
    background: var(--bd2);
    border: 0;
}

.svd {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    padding: 64px 0;
    border-top: 1px solid var(--line);
    align-items: start;
    scroll-margin-top: 96px;
}

.svd>b {
    font: 400 clamp(80px, 12vw, 160px)/1 var(--d);
    color: var(--bd);
}

.svd h3 {
    margin-bottom: 16px;
}

.svd .cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin: 32px 0;
}

.svd h5 {
    font: 600 12px var(--s);
    letter-spacing: .14em;
    text-transform: uppercase;
    margin-bottom: 8px;
    color: var(--bd);
}

.svd ul {
    padding-left: 16px;
    color: var(--muted);
}

.svd li {
    margin: 4px 0;
}

.price {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    border-top: 1px solid var(--line);
    padding-top: 24px;
    font: 400 2.6rem var(--d);
    color: var(--gold);
}

.price strong {
    font: 400 48px var(--d);
    color: var(--gold);
}

.price small {
    color: var(--muted);
    flex: 1;
    font: 400 .85rem var(--s);
}

.packs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 64px;
    align-items: stretch;
}

.pack {
    border: 1px solid var(--line);
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--grey);
    transition: transform .35s, border-color .35s;
    position: relative;
}

.pack:hover {
    transform: translateY(-8px);
    border-color: var(--gold);
}

.pack.rec {
    background: linear-gradient(160deg, var(--bd2), var(--bd) 60%);
    border-color: var(--gold);
}

.pack .tag {
    margin: 0;
}

.pack.rec .tag {
    color: var(--off);
}

.pack ul {
    padding-left: 16px;
    flex: 1;
    color: var(--muted);
}

.pack strong {
    font: 400 56px var(--d);
}

.pack .save {
    color: var(--gold);
    font-weight: 600;
}

.note {
    color: var(--muted);
    font-size: 13px;
    margin-top: 24px;
    background: var(--grey);
    border-left: 3px solid var(--gold);
    padding: 1rem 1.4rem;
}

details {
    border-bottom: 1px solid var(--line);
    padding: 24px 0;
}

summary {
    cursor: pointer;
    font: 700 18px var(--s);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

summary::after {
    content: "+";
    color: var(--gold);
    font-size: 1.6rem;
    transition: transform .3s var(--ease);
}

details[open] summary::after {
    transform: rotate(45deg);
}

details p {
    margin-top: 16px;
    max-width: 44rem;
    color: var(--muted);
}

/* Contacto y formularios */
.ct {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 96px;
}

.ct dl {
    margin-top: 48px;
}

.ct dt {
    font: italic 1.2rem var(--serif);
    letter-spacing: normal;
    text-transform: none;
    color: var(--gold);
    margin-top: 24px;
}

form {
    display: grid;
    gap: 24px;
}

label {
    display: block;
    font: 700 12px var(--s);
    letter-spacing: .12em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

input,
select,
textarea {
    width: 100%;
    background: var(--grey);
    border: 1.5px solid var(--line);
    color: inherit;
    font: 400 16px var(--s);
    padding: 12px 16px;
    border-radius: 0;
    transition: border-color .18s, box-shadow .25s;
}

select option {
    background: var(--ink);
}

textarea {
    min-height: 128px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    outline: 0;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(185, 154, 98, 0.2);
}

.fld.err input,
.fld.err select,
.fld.err textarea {
    border-color: #e5484d;
}

.fld small {
    display: none;
    color: #e5484d;
    margin-top: 4px;
    font-size: .88rem;
}

.fld.err small {
    display: block;
}

.chk {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 14px;
}

.chk input {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--bd);
}

.chk.err label {
    color: #e5484d;
}

.st {
    padding: 16px;
    border: 1px solid var(--line);
    display: none;
    background: var(--bd);
}

.st.ok {
    display: block;
    border-color: var(--gold);
}

.st.bad {
    display: block;
    border-color: #e5484d;
}

.rv {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .8s var(--ease), transform .8s var(--ease);
}

.rv.in {
    opacity: 1;
    transform: none;
}

@media(prefers-reduced-motion:reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }

    .rv {
        opacity: 1;
        transform: none;
    }
}

@media(max-width:900px) {
    .sec {
        padding: 80px 0;
    }

    .mb {
        display: block;
        order: 3;
    }

    .logo {
        position: relative;
        z-index: 2;
    }

    .nav {
        position: fixed;
        inset: 0;
        background: var(--ink);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 24px;
        gap: 24px;
        display: none;
        border-bottom: 1px solid var(--line);
        font: 400 2.2rem var(--d);
        transform: translateX(100%);
        transition: transform .45s var(--ease);
    }

    .nav.open {
        display: flex;
        transform: none;
    }

    .intro,
    .ct,
    .svd,
    .ft .g {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .sv {
        grid-template-columns: 56px 1fr;
        gap: 16px;
    }

    .sv p,
    .sv .ph,
    .sv .link {
        grid-column: 2;
    }

    .sv b {
        font-size: 40px;
    }

    .proc,
    .packs,
    .svd .cols {
        grid-template-columns: 1fr;
    }

    .rings {
        opacity: .1;
    }

    .hero {
        padding-bottom: 48px;
    }
}

/* El colectivo */
.colec {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 64px;
    align-items: end;
}

.colec__list {
    margin: 32px 0 40px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
    font: 500 13px/24px var(--s);
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--muted);
    max-width: 36rem;
}

@media(max-width:900px) {
    .colec {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}
/* ==========================================================
   Servicios: tarjetas numeradas con scroll horizontal
   (sustituye al antiguo listado .svd)
   ========================================================== */
.sx-track {
    --gap: 20px;
    --side: clamp(16px, 5vw, 80px); /* espaciado extra a los lados */
    position: relative;
    display: flex;
    align-items: stretch;
    gap: var(--gap);
    overflow-x: auto;
    overflow-y: hidden;
    /* el carrusel sale del contenedor y llega a los bordes de la pantalla,
       pero la primera tarjeta sigue alineada con el resto del contenido */
    margin-inline: calc(50% - 50vw);
    padding: 8px calc(50vw - 50% + var(--side)) 24px;
    scrollbar-width: none;
    cursor: grab;
    -webkit-overflow-scrolling: touch;
}

.sx-track::-webkit-scrollbar {
    display: none;
}

.sx-track.drag {
    cursor: grabbing;
    user-select: none;
}

.sx {
    flex: 0 0 auto;
    display: flex;
    min-height: 560px;
    overflow: hidden;
    background: var(--ink);
    color: var(--off);
    --muted: #a9a399;
    --line: rgba(241, 237, 228, .14);
    border: 1px solid var(--line);
    transition: border-color .35s, transform .35s var(--ease);
}

.sx:hover {
    border-color: var(--gold);
}

.sx.open {
    background: linear-gradient(160deg, var(--bd2), var(--bd) 70%);
    border-color: var(--gold);
}

/* cabecera (siempre visible): número, nombre y precio */
.sx__head {
    all: unset;
    box-sizing: border-box;
    flex: none;
    width: 280px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 28px;
    position: relative;
    cursor: pointer;
}

.sx__head:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: -4px;
}

.sx__n {
    font: 400 clamp(72px, 8vw, 112px)/1 var(--d);
    color: transparent;
    -webkit-text-stroke: 1.5px var(--gold);
    transition: color .4s;
}

.sx.open .sx__n {
    color: var(--gold);
}

.sx__name {
    display: block;
    font: 400 2rem/.95 var(--d);
    text-transform: uppercase;
    overflow-wrap: anywhere;
}

.sx__price {
    display: block;
    margin-top: 14px;
    font: 400 1.8rem var(--d);
    color: var(--gold);
}

.sx__plus {
    position: absolute;
    top: 30px;
    right: 28px;
    width: 20px;
    height: 20px;
}

.sx__plus::before,
.sx__plus::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 1.5px;
    background: var(--gold);
}

.sx__plus::after {
    transform: rotate(90deg);
    transition: transform .35s var(--ease);
}

.sx.open .sx__plus::after {
    transform: rotate(0);
}

/* panel con la descripción completa */
.sx__panel {
    display: flex;
    width: 0;
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
    border-left: 1px solid transparent;
    transition: width .55s var(--ease), opacity .3s, visibility 0s .55s, border-color .3s;
}

.sx.open .sx__panel {
    width: 460px;
    opacity: 1;
    visibility: visible;
    border-left-color: var(--line);
    transition: width .55s var(--ease), opacity .45s .15s, visibility 0s, border-color .3s;
}

.sx__in {
    flex: none;
    width: 460px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 22px;
    overflow-y: auto;
}

.sx__desc {
    font-size: 1.05rem;
    line-height: 1.55;
    color: var(--off);
}

.sx__in h5 {
    font: 600 12px var(--s);
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 8px;
}

.sx__in ul {
    padding-left: 18px;
    color: var(--muted);
}

.sx__in li {
    margin: 3px 0;
}

.sx__in p {
    color: var(--muted);
}

.sx__in .sx__desc {
    color: var(--off);
}

.sx__2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.sx__foot {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.sx__foot small {
    flex: 1 1 120px;
    color: var(--muted);
    font-size: .8rem;
}

/* botón claro sobre tarjeta oscura (la sección es .light) */
.light .sx .btn {
    border-color: var(--gold);
    color: var(--off);
}

.light .sx .btn--p {
    background: var(--gold);
    color: var(--ink);
}

.light .sx .btn::before {
    background: var(--off);
}

.light .sx .btn:hover {
    color: var(--ink);
}

/* controles: barra de progreso + flechas */
.sx-ctrl {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-top: 8px;
    padding-inline: clamp(16px, 5vw, 80px);
}

.sx-bar {
    position: relative;
    flex: 1;
    height: 2px;
    background: var(--line);
}

.sx-bar i {
    position: absolute;
    top: -1px;
    bottom: -1px;
    left: 0;
    width: 30%;
    background: var(--bd);
}

.sx-btns {
    display: flex;
    gap: 8px;
}

.sx-arr {
    width: 48px;
    height: 48px;
    border: 1.5px solid var(--ink);
    background: none;
    color: var(--ink);
    font: 400 20px var(--s);
    cursor: pointer;
    transition: background .25s, color .25s, opacity .25s;
}

.sx-arr:hover:not(:disabled) {
    background: var(--ink);
    color: var(--off);
}

.sx-arr:disabled {
    opacity: .3;
    cursor: default;
}

/* móvil: la tarjeta crece en ancho y el contenido se despliega hacia abajo */
@media(max-width:700px) {
    .sx-track {
        --gap: 14px;
        align-items: flex-start;
    }

    .sx {
        flex-direction: column;
        min-height: 0;
        width: 72vw;
        transition: width .5s var(--ease), border-color .35s;
    }

    .sx.open {
        width: 88vw;
    }

    .sx__head {
        width: 100%;
        min-height: 300px;
    }

    .sx__panel,
    .sx.open .sx__panel {
        width: 100%;
        border-left: 0;
        border-top: 1px solid transparent;
    }

    .sx__panel {
        display: block;
        max-height: 0;
        transition: max-height .55s var(--ease), opacity .3s, visibility 0s .55s;
    }

    .sx.open .sx__panel {
        max-height: 1400px;
        border-top-color: var(--line);
        transition: max-height .55s var(--ease), opacity .45s .15s, visibility 0s;
    }

    .sx__in {
        width: 100%;
        padding: 24px;
    }

    .sx__2 {
        grid-template-columns: 1fr;
    }

    .sx-ctrl {
        gap: 20px;
    }
}