/*
 * Nosotros · sets propios (vista previa). Usa los tokens de dx.css (--dx-*).
 * quienes_somos, video_nosotros, nosotros_estadisticas, infografia_orgullo,
 * nuestros_pilares_grafico, nuestros_pilares, historia.
 */
.dx-nos-hero, .dx-nos-stats, .dx-nos-proud, .dx-nos-pillars, .dx-nos-values, .dx-nos-story, .dx-nos-video { font-family: var(--dx-font); }
.dx-nos-hero ul, .dx-nos-stats ul, .dx-nos-proud ul, .dx-nos-pillars ul, .dx-nos-values ul, .dx-nos-story ol, .dx-nos-story ul { list-style: none; margin: 0; padding: 0; }
.dx-nos-hero *, .dx-nos-stats *, .dx-nos-proud *, .dx-nos-pillars *, .dx-nos-values *, .dx-nos-story *, .dx-nos-video * { box-sizing: border-box; }

/* ---------- Quiénes somos (cabecera) ---------- */
.dx-nos-hero { position: relative; isolation: isolate; overflow: hidden; display: flex; align-items: flex-end; min-height: clamp(300px, 34vw, 460px); background: var(--dx-charcoal-deep); }
.dx-nos-hero__grid { position: absolute; inset: 0; z-index: -2; display: grid; grid-template-columns: repeat(5, 1fr); grid-template-rows: repeat(2, 1fr); }
.dx-nos-hero__grid li { position: relative; overflow: hidden; background: var(--dx-charcoal); }
.dx-nos-hero__grid img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 50% 25%; transition: opacity 250ms ease; }
.dx-nos-hero__grid img.is-swapping { opacity: 0; }
.dx-nos-hero__grid li:nth-child(2n)::after { content: ""; position: absolute; inset: 0; background: rgba(234, 212, 0, .14); }
.dx-nos-hero__shade { position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgba(22, 28, 33, .86) 0%, rgba(22, 28, 33, .45) 50%, rgba(22, 28, 33, .25) 100%); }
.dx-nos-hero__in { padding-block: var(--dx-s6) clamp(36px, 4.5vw, 56px); }
.dx-nos-hero__title { margin: 0; font: 800 clamp(36px, 5vw, 64px)/1.04 var(--dx-font); letter-spacing: -.025em; color: var(--dx-white); }
.dx-nos-hero__title::before { content: ""; display: block; width: 52px; height: 5px; margin-bottom: var(--dx-s2); border-radius: 3px; background: var(--dx-yellow); }
@media (max-width: 767px) {
    .dx-nos-hero__grid { grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(2, 1fr); }
    .dx-nos-hero__grid li:nth-child(n+9) { display: none; }
}

/* ---------- Video institucional ---------- */
.dx-nos-video { padding-block: clamp(32px, 5vw, 64px); }
.dx-nos-video__frame { position: relative; max-width: 1100px; margin-inline: auto; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 12px; background: var(--dx-charcoal-deep); box-shadow: 0 24px 50px -32px rgba(30, 37, 43, .55); }
.dx-nos-video__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.dx-nos-video__play { position: absolute; inset: 0; display: block; width: 100%; height: 100%; padding: 0; border: 0; background: none; cursor: pointer; }
.dx-nos-video__play img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 400ms cubic-bezier(.2, .7, .2, 1); }
.dx-nos-video__play::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(22, 28, 33, .5) 0%, rgba(22, 28, 33, .12) 38%, rgba(22, 28, 33, 0) 60%); }
/* Botón: play amarillo grande con la etiqueta «Ver video» al lado. */
.dx-nos-video__cta { position: absolute; z-index: 1; left: 50%; top: 50%; display: inline-flex; align-items: center; gap: 14px; transform: translate(-50%, -50%); }
.dx-nos-video__btn { display: inline-flex; align-items: center; justify-content: center; width: 80px; height: 80px; border-radius: 50%; background: var(--dx-yellow); color: var(--dx-ink); box-shadow: 0 10px 30px -10px rgba(0, 0, 0, .5); transition: transform var(--dx-ease), box-shadow var(--dx-ease); }
.dx-nos-video__btn svg { margin-left: 4px; }
.dx-nos-video__label { padding: 9px 16px; border-radius: 99px; background: rgba(22, 28, 33, .62); color: var(--dx-white); font: 700 16px/1 var(--dx-font); letter-spacing: .01em; box-shadow: 0 8px 24px -14px rgba(0, 0, 0, .6); }
.dx-nos-video__play:hover .dx-nos-video__btn, .dx-nos-video__play:focus-visible .dx-nos-video__btn { transform: scale(1.07); box-shadow: 0 16px 36px -12px rgba(0, 0, 0, .6); }
.dx-nos-video__play:hover img { transform: scale(1.02); }
.dx-nos-video__play:focus-visible { outline: 3px solid var(--dx-yellow); outline-offset: -3px; }
.dx-nos-video__play:focus-visible .dx-nos-video__btn { outline: 3px solid var(--dx-white); outline-offset: 3px; }
@media (max-width: 767px) {
    .dx-nos-video__btn { width: 60px; height: 60px; }
    .dx-nos-video__btn svg { width: 24px; height: 24px; }
    .dx-nos-video__label { font-size: 14px; padding: 8px 13px; }
    .dx-nos-video__cta { gap: 10px; }
}

/* ---------- Cifras: trabajadores y centros ---------- */
.dx-nos-stats { background: var(--dx-soft); }
.dx-nos-stats__grid { display: grid; gap: clamp(16px, 2vw, 28px); grid-template-columns: 1fr 1.6fr; align-items: stretch; }
.dx-nos-stat { position: relative; display: flex; flex-direction: column; gap: var(--dx-s3); padding: clamp(24px, 3vw, 36px); background: var(--dx-white); border: 1px solid var(--dx-line); border-radius: 12px; }
.dx-nos-stat__label { margin: 0; color: var(--dx-charcoal); font-size: clamp(18px, 1.6vw, 22px); font-weight: 600; line-height: 1.3; }
.dx-nos-stat__label strong { display: block; color: var(--dx-ink); font-size: clamp(44px, 5vw, 64px); font-weight: 800; letter-spacing: -.03em; line-height: 1; }
.dx-nos-stat__label strong::after { content: ""; display: block; width: 40px; height: 4px; margin: 14px 0 10px; border-radius: 2px; background: var(--dx-yellow); }
.dx-nos-stat__art { display: block; width: min(100%, 260px); height: auto; margin: auto auto 0; }
.dx-nos-wh { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(12px, 2vw, 24px); margin-top: auto !important; align-items: end; }
.dx-nos-wh__item { display: grid; gap: 8px; justify-items: center; }
.dx-nos-wh__art { position: relative; display: block; width: 100%; }
.dx-nos-wh__art > img:first-child { display: block; width: 100%; height: auto; }
.dx-nos-wh__door { position: absolute; top: 58%; left: 50%; width: 28%; height: 25%; transition: height 1.2s ease; }
.dx-nos-wh__item.is-open .dx-nos-wh__door { height: 0; }
.dx-nos-wh__name { color: var(--dx-charcoal); font-size: 14px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
@media (max-width: 767px) {
    .dx-nos-stats__grid { grid-template-columns: 1fr; }
    .dx-nos-stat__art { width: min(70%, 220px); }
}

/* ---------- Infografía: cifras arriba y carretera despejada con el convoy ---------- */
.dx-nos-proud { padding-top: clamp(40px, 5vw, 64px); background: var(--dx-white); }
.dx-nos-proud__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(12px, 2vw, 24px); }
.dx-nos-proud__item { display: grid; gap: 6px; padding: clamp(20px, 2.4vw, 28px); text-align: left; background: var(--dx-white); border: 1px solid var(--dx-line); border-radius: 12px; }
.dx-nos-proud__value { color: var(--dx-ink); font-size: clamp(38px, 4.4vw, 58px); font-weight: 800; letter-spacing: -.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.dx-nos-proud__value::after { content: ""; display: block; width: 36px; height: 4px; margin-top: 12px; border-radius: 2px; background: var(--dx-yellow); }
.dx-nos-proud__title { color: var(--dx-muted); font-size: 16px; font-weight: 600; }
@media (max-width: 767px) { .dx-nos-proud__grid { grid-template-columns: 1fr; } }

/*
 * Carretera. Sprite de 5 pasos (3380×394; paso 676×394) → cada camión mide --th de alto y --th·676/394 de ancho.
 * --gap repite la separación del arte original (1296 px de periodo por camión).
 */
.dx-nos-road {
    --th: 135px;
    --tw: calc(var(--th) * 676 / 394);
    --period: calc(var(--th) * 1296 / 394);
    --gap: calc(var(--period) - var(--tw));
    position: relative; overflow: hidden;
    height: calc(var(--th) + 26px); margin-top: clamp(32px, 4vw, 48px);
    background:
        repeating-linear-gradient(90deg, rgba(255, 255, 255, .55) 0 28px, transparent 28px 64px) 0 calc(100% - 6px) / 100% 2px no-repeat,
        linear-gradient(#41464B, #41464B) 0 100% / 100% 14px no-repeat,
        var(--dx-soft);
}
.dx-nos-road__convoy {
    position: absolute; left: 0; bottom: 12px;
    display: flex; gap: var(--gap); width: max-content;
    animation: dx-nos-convoy 6.5s linear infinite;
}
.dx-nos-truck {
    flex: none; display: block; width: var(--tw); height: var(--th);
    background: url("/assets/camion-sprite.webp") 0 0 / calc(var(--tw) * 5) var(--th) no-repeat;
    animation: dx-nos-wheels .5s steps(5) infinite;
}
/* El convoy avanza un periodo por ciclo (bucle sin salto); las llantas recorren los 5 pasos cada 0,5 s. */
@keyframes dx-nos-convoy { from { transform: translateX(0); } to { transform: translateX(calc(-1 * var(--period))); } }
@keyframes dx-nos-wheels { from { background-position: 0 0; } to { background-position: calc(var(--tw) * -5) 0; } }
@media (max-width: 767px) { .dx-nos-road { --th: 88px; } }

/* ---------- Pilares (3) ---------- */
.dx-nos-pillars { background: var(--dx-soft); }
.dx-nos-pillars__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 28px); }
.dx-nos-pillar { display: flex; align-items: flex-end; gap: 0; min-height: 280px; overflow: hidden; background: var(--dx-white); border: 1px solid var(--dx-line); border-radius: 12px; }
.dx-nos-pillar__art { flex: none; width: 34%; max-height: 260px; height: auto; object-fit: contain; object-position: bottom left; align-self: flex-end; }
.dx-nos-pillar__body { flex: 1; align-self: stretch; padding: 24px 24px 24px 8px; }
.dx-nos-pillar__title { margin: 0 0 10px; color: var(--dx-ink); font: 800 20px/1.25 var(--dx-font); letter-spacing: -.01em; }
.dx-nos-pillar__body p { margin: 0; color: var(--dx-muted); font-size: 15px; line-height: 1.6; }
@media (max-width: 1023px) {
    .dx-nos-pillars__grid { grid-template-columns: 1fr; }
    .dx-nos-pillar { min-height: 0; }
    .dx-nos-pillar__art { width: 120px; max-height: 200px; }
}

/* ---------- Valores ---------- */
.dx-nos-values { padding-block: 8px clamp(48px, 6vw, 80px); }
.dx-nos-values__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(14px, 1.8vw, 22px); } /* 6 valores: 3 + 3 */
@media (max-width: 1023px) { .dx-nos-values__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 559px) { .dx-nos-values__grid { grid-template-columns: 1fr; } }
.dx-nos-value { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 24px 20px 26px; text-align: center; background: var(--dx-white); border: 1px solid var(--dx-line); border-radius: 12px; transition: border-color var(--dx-ease), box-shadow var(--dx-ease), transform var(--dx-ease); }
.dx-nos-value:hover { border-color: #D5DADE; box-shadow: 0 14px 30px -20px rgba(30, 37, 43, .35); transform: translateY(-2px); }
.dx-nos-value__art { display: block; width: auto; height: 150px; max-width: 100%; object-fit: contain; margin-bottom: 6px; }
.dx-nos-value__title { margin: 0; color: var(--dx-ink); font: 800 19px/1.3 var(--dx-font); }
.dx-nos-value__title::after { content: ""; display: block; width: 28px; height: 3px; margin: 10px auto 0; border-radius: 2px; background: var(--dx-yellow); }
.dx-nos-value__text { margin: 4px 0 0; color: var(--dx-muted); font-size: 15px; line-height: 1.55; }

/* ---------- Historia ---------- */
.dx-nos-story { background: var(--dx-soft); overflow: hidden; }
.dx-nos-story .dx-head { align-items: flex-end; }
.dx-nos-story .dx-lead { margin-top: 6px; }
.dx-nos-story__nav { display: flex; gap: 8px; }
.dx-nos-story__arrow { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid #CDD3D8; border-radius: 50%; background: var(--dx-white); color: var(--dx-ink); cursor: pointer; transition: background-color var(--dx-ease), border-color var(--dx-ease), opacity var(--dx-ease); }
.dx-nos-story__arrow:hover:not(:disabled) { background: var(--dx-yellow); border-color: var(--dx-yellow); }
.dx-nos-story__arrow:disabled { opacity: .4; cursor: default; }
.dx-nos-story__arrow:focus-visible, .dx-nos-story__track:focus-visible { outline: 2px solid var(--dx-yellow); outline-offset: 3px; }
.dx-nos-story__track {
    --gutter: max(clamp(16px, 4vw, 32px), calc((100vw - var(--dx-wrap)) / 2 + 32px));
    position: relative; display: flex; gap: 16px; overflow-x: auto; overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory; scroll-padding-inline: var(--gutter);
    padding: 34px var(--gutter) 18px !important; scrollbar-width: thin; scrollbar-color: #C6CDD2 transparent;
}
.dx-nos-story__track::before { content: ""; position: absolute; left: 0; right: 0; top: 46px; height: 2px; background: #D6DBDF; min-width: 100%; }
.dx-nos-milestone { position: relative; flex: 0 0 clamp(300px, 30vw, 396px); scroll-snap-align: start; display: flex; flex-direction: column; gap: 14px; }
.dx-nos-milestone__year { position: relative; display: inline-flex; align-items: center; gap: 10px; width: max-content; padding-right: 10px; background: var(--dx-soft); color: var(--dx-ink); font-size: 22px; font-weight: 800; letter-spacing: -.01em; line-height: 24px; }
.dx-nos-milestone__year::before { content: ""; flex: none; width: 14px; height: 14px; border-radius: 50%; background: var(--dx-yellow); box-shadow: 0 0 0 4px var(--dx-soft), 0 0 0 5px #D6DBDF; }
.dx-nos-milestone__card { flex: 1; display: flex; flex-direction: column; gap: 16px; padding: 20px 22px; background: var(--dx-white); border: 1px solid var(--dx-line); border-radius: 12px; }
.dx-nos-milestone__text { margin: 0; color: #33404A; font-size: 15px; line-height: 1.6; }
/* Logos: pastillas blancas de 130 px (≈1,8× las anteriores de 72 px), en varias filas si hace falta. */
.dx-nos-milestone__logos { display: flex; flex-wrap: wrap; gap: 12px; margin-top: auto !important; }
.dx-nos-milestone__logos li { display: flex; align-items: center; justify-content: center; width: 130px; height: 130px; padding: 8px; border: 1px solid var(--dx-line); border-radius: 8px; background: var(--dx-white); }
.dx-nos-milestone__logos img { display: block; width: 100%; height: 100%; object-fit: contain; }
@media (max-width: 767px) {
    .dx-nos-milestone { flex-basis: min(84vw, 340px); }
    .dx-nos-milestone__logos { gap: 10px; }
    .dx-nos-milestone__logos li { width: 112px; height: 112px; }
}

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
    .dx-nos-road__convoy, .dx-nos-truck { animation: none; }
    .dx-nos-wh__door, .dx-nos-hero__grid img, .dx-nos-video__play img, .dx-nos-video__btn, .dx-nos-value { transition: none; }
    .dx-nos-value:hover { transform: none; }
}

/* Línea de tiempo: cada tarjeta a la altura de su contenido y los logos justo debajo del texto
   (antes se estiraban a la tarjeta más alta y quedaba un hueco grande). */
.dx-nos-story__track { align-items: flex-start; }
.dx-nos-milestone__card { flex: 0 0 auto; }
.dx-nos-milestone__logos { margin-top: 4px !important; }